author | Edouard Tisserant |
Wed, 28 Nov 2012 12:00:38 +0900 | |
changeset 710 | e9bb0ed80471 |
parent 706 | 31553c22f318 |
child 793 | 268bf4ca5fa1 |
permissions | -rwxr-xr-x |
70 | 1 |
/* |
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* matiec - a compiler for the programming languages defined in IEC 61131-3 |
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* |
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* Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt) |
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* Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* |
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* This code is made available on the understanding that it will not be |
|
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* used in safety-critical situations without a full and competent review. |
|
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*/ |
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||
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/***********************************************************************/ |
|
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/***********************************************************************/ |
|
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/***********************************************************************/ |
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/***********************************************************************/ |
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||
30 |
/* Returns the data type of an il_operand. |
|
31 |
* |
|
32 |
* Note that the il_operand may be a variable, in which case |
|
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* we return the type of the variable instance. |
|
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* The il_operand may also be a constant, in which case |
|
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* we return the data type of that constant. |
|
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* |
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* The variable instance may be a member of a structured variable, |
|
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* or an element in an array, or any combination of the two. |
|
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* |
|
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* The class constructor must be given the search scope |
|
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* (function, function block or program within which |
|
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* the possible il_operand variable instance was declared). |
|
43 |
*/ |
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||
45 |
/***********************************************************************/ |
|
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/***********************************************************************/ |
|
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/***********************************************************************/ |
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/***********************************************************************/ |
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49 |
||
50 |
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/* A new class to ouput the il default variable to c++ code |
|
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* We use this class, inheriting from symbol_c, so it may be used |
|
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* as any other symbol_c object in the intermediate parse tree, |
|
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* more specifically, so it can be used as any other il operand. |
|
55 |
* This makes the rest of the code much easier... |
|
56 |
* |
|
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* Nevertheless, the basic visitor class visitor_c does not know |
|
58 |
* how to visit this new il_default_variable_c class, so we have |
|
59 |
* to extend that too. |
|
60 |
* In reality extending the basic symbols doesn't quite work out |
|
61 |
* as cleanly as desired (we need to use dynamic_cast in the |
|
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* accept method of the il_default_variable_c), but it is cleaner |
|
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* than the alternative... |
|
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*/ |
|
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class il_default_variable_c; |
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66 |
||
67 |
/* This visitor class is not really required, we could place the |
|
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* visit() method directly in genertae_cc_il_c, but doing it in |
|
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* a seperate class makes the architecture more evident... |
|
70 |
*/ |
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class il_default_variable_visitor_c { |
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72 |
public: |
|
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virtual void *visit(il_default_variable_c *symbol) = 0; |
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74 |
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75 |
virtual ~il_default_variable_visitor_c(void) {return;} |
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}; |
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/* A class to print out to the resulting C++ code |
|
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* the IL default variable name. |
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* |
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* It includes a reference to its name, |
|
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* and the data type of the data currently stored |
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* in this C++ variable... This is required because the |
|
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* C++ variable is a union, and we must know which member |
|
86 |
* of the union top reference!! |
|
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* |
|
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* Note that we also need to keep track of the data type of |
|
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* the value currently being stored in the default variable. |
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* This is required so we can process parenthesis, |
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* |
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* e.g. : |
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* LD var1 |
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* AND ( |
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* LD var2 |
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* OR var3 |
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* ) |
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* |
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* Note that we only execute the 'AND (' operation when we come across |
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* the ')', i.e. once we have evaluated the result of the |
|
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* instructions inside the parenthesis. |
|
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* When we do execute the 'AND (' operation, we need to know the data type |
|
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* of the operand, which in this case is the result of the evaluation of the |
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* instruction list inside the parenthesis. We can only know this if we |
|
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* keep track of the data type currently stored in the default variable! |
|
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* |
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* We use the current_type inside the generate_c_il::default_variable_name variable |
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* to track this! |
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*/ |
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class il_default_variable_c: public symbol_c { |
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public: |
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symbol_c *var_name; /* in principle, this should point to an indentifier_c */ |
|
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symbol_c *current_type; |
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public: |
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il_default_variable_c(const char *var_name_str, symbol_c *current_type); |
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virtual void *accept(visitor_c &visitor); |
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}; |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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/***********************************************************************/ |
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class generate_c_il_c: public generate_c_typedecl_c, il_default_variable_visitor_c { |
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public: |
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typedef enum { |
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expression_vg, |
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assignment_vg, |
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complextype_base_vg, |
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complextype_base_assignment_vg, |
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complextype_suffix_vg, |
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fparam_output_vg |
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} variablegeneration_t; |
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private: |
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/* When compiling il code, it becomes necessary to determine the |
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* data type of il operands. To do this, we must first find the |
|
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* il operand's declaration, within the scope of the function block |
|
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* or function currently being processed. |
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* The following object does just that... |
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* This object instance will then later be called while the |
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* remaining il code is being handled. |
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*/ |
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search_expression_type_c *search_expression_type; |
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/* The initial value that should be given to the IL default variable |
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* imediately after a parenthesis is opened. |
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* This variable is only used to pass data from the |
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* il_expression_c visitor to the simple_instr_list_c visitor. |
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* |
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* e.g.: |
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* LD var1 |
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* AND ( var2 |
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* OR var3 |
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* ) |
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* |
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* In the above code sample, the line 'AND ( var2' constitutes |
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* an il_expression_c, where var2 should be loaded into the |
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* il default variable before continuing with the expression |
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* inside the parenthesis. |
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* Unfortunately, only the simple_instr_list_c may do the |
|
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* initial laoding of the var2 bariable following the parenthesis, |
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* so the il_expression_c visitor will have to pass 'var2' as a |
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* parameter to the simple_instr_list_c visitor. |
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* Ergo, the existance of the following parameter...! |
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*/ |
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symbol_c *il_default_variable_init_value; |
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||
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/* Operand to the IL operation currently being processed... */ |
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/* These variables are used to pass data from the |
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* il_simple_operation_c and il_expression_c visitors |
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* to the il operator visitors (i.e. LD_operator_c, |
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* LDN_operator_c, ST_operator_c, STN_operator_c, ...) |
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*/ |
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symbol_c *current_operand; |
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symbol_c *current_operand_type; |
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||
183 |
/* Label to which the current IL jump operation should jump to... */ |
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184 |
/* This variable is used to pass data from the |
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185 |
* il_jump_operation_c visitor |
|
186 |
* to the il jump operator visitors (i.e. JMP_operator_c, |
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* JMPC_operator_c, JMPCN_operator_c, ...) |
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188 |
*/ |
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symbol_c *jump_label; |
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||
191 |
/* The result of the comparison IL operations (GT, EQ, LT, ...) |
|
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* is a boolean variable. |
|
193 |
* This class keeps track of the current data type stored in the |
|
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* il default variable. This is usually done by keeping a reference |
|
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* to the data type of the last operand. Nevertheless, in the case of |
|
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* the comparison IL operators, the data type of the result (a boolean) |
|
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* is not the data type of the operand. We therefore need an object |
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* of the boolean data type to keep as a reference of the current |
|
199 |
* data type. |
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* The following object is it... |
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201 |
*/ |
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202 |
bool_type_name_c bool_type; |
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lint_type_name_c lint_type; |
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lword_type_name_c lword_type; |
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lreal_type_name_c lreal_type; |
70 | 206 |
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/* the data type of the IL default variable... */ |
|
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#define IL_DEFVAR_T VAR_LEADER "IL_DEFVAR_T" |
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/* The name of the IL default variable... */ |
|
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#define IL_DEFVAR VAR_LEADER "IL_DEFVAR" |
|
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/* The name of the variable used to pass the result of a |
|
212 |
* parenthesised instruction list to the immediately preceding |
|
213 |
* scope ... |
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214 |
*/ |
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#define IL_DEFVAR_BACK VAR_LEADER "IL_DEFVAR_BACK" |
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il_default_variable_c default_variable_name; |
|
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il_default_variable_c default_variable_back_name; |
|
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||
219 |
/* When calling a function block, we must first find it's type, |
|
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* by searching through the declarations of the variables currently |
|
221 |
* in scope. |
|
222 |
* This class does just that... |
|
223 |
* A new class is instantiated whenever we begin generating the code |
|
224 |
* for a function block type declaration, or a program declaration. |
|
225 |
* This object instance will then later be called while the |
|
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* function block's or the program's body is being handled. |
|
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* |
|
228 |
* Note that functions cannot contain calls to function blocks, |
|
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* so we do not create an object instance when handling |
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* a function declaration. |
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231 |
*/ |
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232 |
search_fb_instance_decl_c *search_fb_instance_decl; |
|
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||
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search_varfb_instance_type_c *search_varfb_instance_type; |
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search_var_instance_decl_c *search_var_instance_decl; |
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|
237 |
search_base_type_c search_base_type; |
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symbol_c* current_array_type; |
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symbol_c* current_param_type; |
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int fcall_number; |
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symbol_c *fbname; |
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variablegeneration_t wanted_variablegeneration; |
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|
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public: |
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generate_c_il_c(stage4out_c *s4o_ptr, symbol_c *name, symbol_c *scope, const char *variable_prefix = NULL) |
70 | 249 |
: generate_c_typedecl_c(s4o_ptr), |
250 |
default_variable_name(IL_DEFVAR, NULL), |
|
251 |
default_variable_back_name(IL_DEFVAR_BACK, NULL) |
|
252 |
{ |
|
253 |
search_expression_type = new search_expression_type_c(scope); |
|
254 |
search_fb_instance_decl = new search_fb_instance_decl_c(scope); |
|
98 | 255 |
search_varfb_instance_type = new search_varfb_instance_type_c(scope); |
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256 |
search_var_instance_decl = new search_var_instance_decl_c(scope); |
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257 |
|
70 | 258 |
current_operand = NULL; |
259 |
current_operand_type = NULL; |
|
260 |
il_default_variable_init_value = NULL; |
|
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current_array_type = NULL; |
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current_param_type = NULL; |
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fcall_number = 0; |
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fbname = name; |
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265 |
wanted_variablegeneration = expression_vg; |
70 | 266 |
this->set_variable_prefix(variable_prefix); |
267 |
} |
|
268 |
||
269 |
virtual ~generate_c_il_c(void) { |
|
270 |
delete search_fb_instance_decl; |
|
271 |
delete search_expression_type; |
|
98 | 272 |
delete search_varfb_instance_type; |
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273 |
delete search_var_instance_decl; |
70 | 274 |
} |
275 |
||
276 |
void generate(instruction_list_c *il) { |
|
277 |
il->accept(*this); |
|
278 |
} |
|
279 |
||
280 |
/* Declare the backup to the default variable, that will store the result |
|
281 |
* of the IL operations executed inside a parenthesis... |
|
282 |
*/ |
|
283 |
void declare_backup_variable(void) { |
|
284 |
s4o.print(s4o.indent_spaces); |
|
285 |
s4o.print(IL_DEFVAR_T); |
|
286 |
s4o.print(" "); |
|
287 |
print_backup_variable(); |
|
288 |
s4o.print(";\n"); |
|
289 |
} |
|
290 |
||
291 |
void print_backup_variable(void) { |
|
292 |
this->default_variable_back_name.accept(*this); |
|
293 |
} |
|
294 |
||
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void reset_default_variable_name(void) { |
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this->default_variable_name.current_type = NULL; |
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this->default_variable_back_name.current_type = NULL; |
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} |
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299 |
|
70 | 300 |
private: |
301 |
/* A helper function... */ |
|
302 |
/* |
|
303 |
bool is_bool_type(symbol_c *type_symbol) { |
|
304 |
return (NULL != dynamic_cast<bool_type_name_c *>(type_symbol)); |
|
305 |
} |
|
306 |
*/ |
|
307 |
||
308 |
/* A helper function... */ |
|
309 |
void *XXX_operator(symbol_c *lo, const char *op, symbol_c *ro) { |
|
310 |
if ((NULL == lo) || (NULL == ro)) ERROR; |
|
311 |
if (NULL == op) ERROR; |
|
312 |
||
313 |
lo->accept(*this); |
|
314 |
s4o.print(op); |
|
315 |
ro->accept(*this); |
|
316 |
return NULL; |
|
317 |
} |
|
318 |
||
319 |
/* A helper function... */ |
|
320 |
void *XXX_function(const char *func, symbol_c *lo, symbol_c *ro) { |
|
321 |
if ((NULL == lo) || (NULL == ro)) ERROR; |
|
322 |
if (NULL == func) ERROR; |
|
323 |
||
324 |
lo->accept(*this); |
|
325 |
s4o.print(" = "); |
|
326 |
s4o.print(func); |
|
327 |
s4o.print("("); |
|
328 |
lo->accept(*this); |
|
329 |
s4o.print(", "); |
|
330 |
ro->accept(*this); |
|
331 |
s4o.print(")"); |
|
332 |
return NULL; |
|
333 |
} |
|
334 |
||
335 |
/* A helper function... */ |
|
336 |
void *XXX_CAL_operator(const char *param_name, symbol_c *fb_name) { |
|
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
337 |
if (wanted_variablegeneration != expression_vg) { |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
338 |
s4o.print(param_name); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
339 |
return NULL; |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
340 |
} |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
341 |
|
70 | 342 |
if (NULL == fb_name) ERROR; |
343 |
symbolic_variable_c *sv = dynamic_cast<symbolic_variable_c *>(fb_name); |
|
344 |
if (NULL == sv) ERROR; |
|
345 |
identifier_c *id = dynamic_cast<identifier_c *>(sv->var_name); |
|
346 |
if (NULL == id) ERROR; |
|
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
347 |
|
70 | 348 |
identifier_c param(param_name); |
349 |
||
350 |
//SYM_REF3(il_param_assignment_c, il_assign_operator, il_operand, simple_instr_list) |
|
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
351 |
il_assign_operator_c il_assign_operator(¶m); |
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
352 |
il_param_assignment_c il_param_assignment(&il_assign_operator, &this->default_variable_name, NULL); |
70 | 353 |
// SYM_LIST(il_param_list_c) |
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
354 |
il_param_list_c il_param_list; |
70 | 355 |
il_param_list.add_element(&il_param_assignment); |
356 |
CAL_operator_c CAL_operator; |
|
357 |
// SYM_REF4(il_fb_call_c, il_call_operator, fb_name, il_operand_list, il_param_list) |
|
358 |
il_fb_call_c il_fb_call(&CAL_operator, id, NULL, &il_param_list); |
|
359 |
||
360 |
il_fb_call.accept(*this); |
|
361 |
return NULL; |
|
362 |
} |
|
363 |
||
364 |
/* A helper function... */ |
|
365 |
void *CMP_operator(symbol_c *o, const char *operation) { |
|
366 |
if (NULL == o) ERROR; |
|
367 |
if (NULL == this->default_variable_name.current_type) ERROR; |
|
368 |
||
369 |
symbol_c *backup = this->default_variable_name.current_type; |
|
370 |
this->default_variable_name.current_type = &(this->bool_type); |
|
371 |
this->default_variable_name.accept(*this); |
|
372 |
this->default_variable_name.current_type = backup; |
|
373 |
||
374 |
s4o.print(" = "); |
|
375 |
s4o.print(operation); |
|
376 |
this->default_variable_name.current_type->accept(*this); |
|
149 | 377 |
s4o.print("(__BOOL_LITERAL(TRUE), NULL, 2, "); |
70 | 378 |
this->default_variable_name.accept(*this); |
379 |
s4o.print(", "); |
|
380 |
o->accept(*this); |
|
381 |
s4o.print(")"); |
|
382 |
||
383 |
/* the data type resulting from this operation... */ |
|
384 |
this->default_variable_name.current_type = &(this->bool_type); |
|
385 |
return NULL; |
|
386 |
} |
|
387 |
||
388 |
||
389 |
/* A helper function... */ |
|
390 |
void C_modifier(void) { |
|
391 |
if (search_expression_type->is_bool_type(default_variable_name.current_type)) { |
|
392 |
s4o.print("if ("); |
|
393 |
this->default_variable_name.accept(*this); |
|
394 |
s4o.print(") "); |
|
395 |
} |
|
396 |
else {ERROR;} |
|
397 |
} |
|
398 |
||
399 |
/* A helper function... */ |
|
400 |
void CN_modifier(void) { |
|
401 |
if (search_expression_type->is_bool_type(default_variable_name.current_type)) { |
|
402 |
s4o.print("if (!"); |
|
403 |
this->default_variable_name.accept(*this); |
|
404 |
s4o.print(") "); |
|
405 |
} |
|
406 |
else {ERROR;} |
|
407 |
} |
|
408 |
||
210
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
409 |
void BYTE_operator_result_type(void) { |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
410 |
if (search_expression_type->is_literal_integer_type(this->default_variable_name.current_type)) { |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
411 |
if (search_expression_type->is_literal_integer_type(this->current_operand_type)) |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
412 |
this->default_variable_name.current_type = &(this->lword_type); |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
413 |
else |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
414 |
this->default_variable_name.current_type = this->current_operand_type; |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
415 |
} |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
416 |
else if (search_expression_type->is_literal_integer_type(this->current_operand_type)) |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
417 |
this->current_operand_type = this->default_variable_name.current_type; |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
418 |
} |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
419 |
|
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
420 |
void NUM_operator_result_type(void) { |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
421 |
if (search_expression_type->is_literal_real_type(this->default_variable_name.current_type)) { |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
422 |
if (search_expression_type->is_literal_integer_type(this->current_operand_type) || |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
423 |
search_expression_type->is_literal_real_type(this->current_operand_type)) |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
424 |
this->default_variable_name.current_type = &(this->lreal_type); |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
425 |
else |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
426 |
this->default_variable_name.current_type = this->current_operand_type; |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
427 |
} |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
428 |
else if (search_expression_type->is_literal_integer_type(this->default_variable_name.current_type)) { |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
429 |
if (search_expression_type->is_literal_integer_type(this->current_operand_type)) |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
430 |
this->default_variable_name.current_type = &(this->lint_type); |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
431 |
else if (search_expression_type->is_literal_real_type(this->current_operand_type)) |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
432 |
this->default_variable_name.current_type = &(this->lreal_type); |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
433 |
else |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
434 |
this->default_variable_name.current_type = this->current_operand_type; |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
435 |
} |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
436 |
else if (search_expression_type->is_literal_integer_type(this->current_operand_type) || |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
437 |
search_expression_type->is_literal_real_type(this->current_operand_type)) |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
438 |
this->current_operand_type = this->default_variable_name.current_type; |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
439 |
} |
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
440 |
|
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
441 |
void *print_getter(symbol_c *symbol) { |
505
21be0f2f242d
Removing code from search_varfb_instance_type_c (use search_var_instance_decl_c instead).
Mario de Sousa <msousa@fe.up.pt>
parents:
498
diff
changeset
|
442 |
unsigned int vartype = search_var_instance_decl->get_vartype(symbol); |
235 | 443 |
if (wanted_variablegeneration == fparam_output_vg) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
444 |
if (vartype == search_var_instance_decl_c::external_vt) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
445 |
if (search_var_instance_decl->type_is_fb(symbol)) |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
446 |
s4o.print(GET_EXTERNAL_FB_BY_REF); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
447 |
else |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
448 |
s4o.print(GET_EXTERNAL_BY_REF); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
449 |
} |
235 | 450 |
else if (vartype == search_var_instance_decl_c::located_vt) |
451 |
s4o.print(GET_LOCATED_BY_REF); |
|
452 |
else |
|
453 |
s4o.print(GET_VAR_BY_REF); |
|
454 |
} |
|
455 |
else { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
456 |
if (vartype == search_var_instance_decl_c::external_vt) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
457 |
if (search_var_instance_decl->type_is_fb(symbol)) |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
458 |
s4o.print(GET_EXTERNAL_FB); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
459 |
else |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
460 |
s4o.print(GET_EXTERNAL); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
461 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
462 |
else if (vartype == search_var_instance_decl_c::located_vt) |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
463 |
s4o.print(GET_LOCATED); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
464 |
else |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
465 |
s4o.print(GET_VAR); |
235 | 466 |
} |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
467 |
s4o.print("("); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
468 |
|
235 | 469 |
variablegeneration_t old_wanted_variablegeneration = wanted_variablegeneration; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
470 |
wanted_variablegeneration = complextype_base_vg; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
471 |
symbol->accept(*this); |
531
e7d6f28fc882
Make temporary fix to is_complex() method.
Mario de Sousa <msousa@fe.up.pt>
parents:
505
diff
changeset
|
472 |
if (search_var_instance_decl->type_is_complex(symbol)) |
235 | 473 |
s4o.print(","); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
474 |
wanted_variablegeneration = complextype_suffix_vg; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
475 |
symbol->accept(*this); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
476 |
s4o.print(")"); |
235 | 477 |
wanted_variablegeneration = old_wanted_variablegeneration; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
478 |
return NULL; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
479 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
480 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
481 |
void *print_setter(symbol_c* symbol, |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
482 |
symbol_c* type, |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
483 |
symbol_c* value, |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
484 |
symbol_c* fb_symbol = NULL, |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
485 |
symbol_c* fb_value = NULL, |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
486 |
bool negative = false) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
487 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
488 |
bool type_is_complex = search_var_instance_decl->type_is_complex(symbol); |
405
7b5d67d1aeef
Fix bug wrong code generated when, in a pou, a located variable has the same name than a function block instance input variable
laurent
parents:
399
diff
changeset
|
489 |
if (fb_symbol == NULL) { |
505
21be0f2f242d
Removing code from search_varfb_instance_type_c (use search_var_instance_decl_c instead).
Mario de Sousa <msousa@fe.up.pt>
parents:
498
diff
changeset
|
490 |
unsigned int vartype = search_var_instance_decl->get_vartype(symbol); |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
491 |
if (vartype == search_var_instance_decl_c::external_vt) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
492 |
if (search_var_instance_decl->type_is_fb(symbol)) |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
493 |
s4o.print(SET_EXTERNAL_FB); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
494 |
else |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
495 |
s4o.print(SET_EXTERNAL); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
496 |
} |
405
7b5d67d1aeef
Fix bug wrong code generated when, in a pou, a located variable has the same name than a function block instance input variable
laurent
parents:
399
diff
changeset
|
497 |
else if (vartype == search_var_instance_decl_c::located_vt) |
7b5d67d1aeef
Fix bug wrong code generated when, in a pou, a located variable has the same name than a function block instance input variable
laurent
parents:
399
diff
changeset
|
498 |
s4o.print(SET_LOCATED); |
7b5d67d1aeef
Fix bug wrong code generated when, in a pou, a located variable has the same name than a function block instance input variable
laurent
parents:
399
diff
changeset
|
499 |
else |
7b5d67d1aeef
Fix bug wrong code generated when, in a pou, a located variable has the same name than a function block instance input variable
laurent
parents:
399
diff
changeset
|
500 |
s4o.print(SET_VAR); |
7b5d67d1aeef
Fix bug wrong code generated when, in a pou, a located variable has the same name than a function block instance input variable
laurent
parents:
399
diff
changeset
|
501 |
} |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
502 |
else { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
503 |
unsigned int vartype = search_var_instance_decl->get_vartype(fb_symbol); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
504 |
if (vartype == search_var_instance_decl_c::external_vt) |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
505 |
s4o.print(SET_EXTERNAL_FB); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
506 |
else |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
507 |
s4o.print(SET_VAR); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
508 |
} |
392
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
509 |
s4o.print("("); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
510 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
511 |
if (fb_symbol != NULL) { |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
512 |
print_variable_prefix(); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
513 |
fb_symbol->accept(*this); |
392
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
514 |
s4o.print(".,"); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
515 |
} |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
516 |
else if (type_is_complex) |
392
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
517 |
wanted_variablegeneration = complextype_base_assignment_vg; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
518 |
else |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
519 |
wanted_variablegeneration = assignment_vg; |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
520 |
|
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
521 |
symbol->accept(*this); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
522 |
s4o.print(","); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
523 |
if (negative) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
524 |
if (search_expression_type->is_bool_type(this->current_operand_type)) |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
525 |
s4o.print("!"); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
526 |
else |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
527 |
s4o.print("~"); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
528 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
529 |
wanted_variablegeneration = expression_vg; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
530 |
print_check_function(type, value, fb_value); |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
531 |
if (type_is_complex) { |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
532 |
s4o.print(","); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
533 |
wanted_variablegeneration = complextype_suffix_vg; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
534 |
symbol->accept(*this); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
535 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
536 |
s4o.print(")"); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
537 |
wanted_variablegeneration = expression_vg; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
538 |
return NULL; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
539 |
} |
70 | 540 |
|
541 |
public: |
|
542 |
void *visit(il_default_variable_c *symbol) { |
|
543 |
symbol->var_name->accept(*this); |
|
544 |
if (NULL != symbol->current_type) { |
|
545 |
s4o.print("."); |
|
563
61410284a9b4
little typo in last commited code
Andreas Graeper <agraeper@googemail.com>
parents:
531
diff
changeset
|
546 |
if ( search_expression_type->is_literal_integer_type(symbol->current_type)) this->lint_type.accept(*this); |
61410284a9b4
little typo in last commited code
Andreas Graeper <agraeper@googemail.com>
parents:
531
diff
changeset
|
547 |
else if ( search_expression_type->is_literal_real_type(this->default_variable_name.current_type)) this->lreal_type.accept(*this); |
61410284a9b4
little typo in last commited code
Andreas Graeper <agraeper@googemail.com>
parents:
531
diff
changeset
|
548 |
else if ( search_expression_type->is_bool_type(this->default_variable_name.current_type)) this->bool_type.accept(*this); |
61410284a9b4
little typo in last commited code
Andreas Graeper <agraeper@googemail.com>
parents:
531
diff
changeset
|
549 |
else symbol->current_type->accept(*this); |
70 | 550 |
s4o.print("var"); |
563
61410284a9b4
little typo in last commited code
Andreas Graeper <agraeper@googemail.com>
parents:
531
diff
changeset
|
551 |
} return NULL; |
70 | 552 |
} |
553 |
||
554 |
||
555 |
private: |
|
556 |
||
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
557 |
#if 0 |
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
558 |
I NEED TO FIX THIS!!! |
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
559 |
TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO |
146
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
560 |
void *visit(eno_param_c *symbol) { |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
561 |
if (this->is_variable_prefix_null()) { |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
562 |
s4o.print("*"); |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
563 |
} |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
564 |
else { |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
565 |
this->print_variable_prefix(); |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
566 |
} |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
567 |
s4o.print("ENO"); |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
568 |
return NULL; |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
569 |
} |
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
570 |
TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO |
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
571 |
#endif |
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
572 |
|
146
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
573 |
|
377
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
574 |
/********************************/ |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
575 |
/* B 1.3.3 - Derived data types */ |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
576 |
/********************************/ |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
577 |
|
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
578 |
/* signed_integer DOTDOT signed_integer */ |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
579 |
void *visit(subrange_c *symbol) { |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
580 |
symbol->lower_limit->accept(*this); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
581 |
return NULL; |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
582 |
} |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
583 |
|
377
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
584 |
/* ARRAY '[' array_subrange_list ']' OF non_generic_type_name */ |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
585 |
void *visit(array_specification_c *symbol) { |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
586 |
symbol->non_generic_type_name->accept(*this); |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
587 |
return NULL; |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
588 |
} |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
589 |
|
146
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
590 |
/*********************/ |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
591 |
/* B 1.4 - Variables */ |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
592 |
/*********************/ |
221
c6aed7e5f070
Adding support for flags on Function Block variables for marking which variable must be debugged, retained or is forced
laurent
parents:
220
diff
changeset
|
593 |
|
146
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
594 |
void *visit(symbolic_variable_c *symbol) { |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
595 |
unsigned int vartype; |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
596 |
switch (wanted_variablegeneration) { |
392
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
597 |
case complextype_base_assignment_vg: |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
598 |
case assignment_vg: |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
599 |
this->print_variable_prefix(); |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
600 |
s4o.print(","); |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
601 |
symbol->var_name->accept(*this); |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
602 |
break; |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
603 |
case complextype_base_vg: |
221
c6aed7e5f070
Adding support for flags on Function Block variables for marking which variable must be debugged, retained or is forced
laurent
parents:
220
diff
changeset
|
604 |
generate_c_base_c::visit(symbol); |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
605 |
break; |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
606 |
case complextype_suffix_vg: |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
607 |
break; |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
608 |
default: |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
609 |
if (this->is_variable_prefix_null()) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
610 |
vartype = search_var_instance_decl->get_vartype(symbol); |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
611 |
if (wanted_variablegeneration == fparam_output_vg) { |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
612 |
s4o.print("&("); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
613 |
generate_c_base_c::visit(symbol); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
614 |
s4o.print(")"); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
615 |
} |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
616 |
else { |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
617 |
generate_c_base_c::visit(symbol); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
618 |
} |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
619 |
} |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
620 |
else |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
621 |
print_getter(symbol); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
622 |
break; |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
623 |
} |
146
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
624 |
return NULL; |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
625 |
} |
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
626 |
|
70 | 627 |
/********************************************/ |
628 |
/* B.1.4.1 Directly Represented Variables */ |
|
629 |
/********************************************/ |
|
630 |
// direct_variable: direct_variable_token {$$ = new direct_variable_c($1);}; |
|
631 |
void *visit(direct_variable_c *symbol) { |
|
632 |
TRACE("direct_variable_c"); |
|
633 |
/* Do not use print_token() as it will change everything into uppercase */ |
|
634 |
if (strlen(symbol->value) == 0) ERROR; |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
635 |
if (this->is_variable_prefix_null()) { |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
636 |
if (wanted_variablegeneration != fparam_output_vg) |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
637 |
s4o.print("*("); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
638 |
} |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
639 |
else { |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
640 |
switch (wanted_variablegeneration) { |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
641 |
case expression_vg: |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
642 |
s4o.print(GET_LOCATED); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
643 |
s4o.print("("); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
644 |
break; |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
645 |
case fparam_output_vg: |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
646 |
s4o.print(GET_LOCATED_BY_REF); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
647 |
s4o.print("("); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
648 |
break; |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
649 |
default: |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
650 |
break; |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
651 |
} |
146
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
652 |
} |
70 | 653 |
this->print_variable_prefix(); |
654 |
s4o.printlocation(symbol->value + 1); |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
655 |
if ((this->is_variable_prefix_null() && wanted_variablegeneration != fparam_output_vg) || |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
656 |
wanted_variablegeneration != assignment_vg) |
146
eef5e62048c7
Adding support for EN/ENO params in function and function blocks (standard function not supported yet)
lbessard
parents:
123
diff
changeset
|
657 |
s4o.print(")"); |
70 | 658 |
return NULL; |
659 |
} |
|
660 |
||
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
661 |
/*************************************/ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
662 |
/* B.1.4.2 Multi-element Variables */ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
663 |
/*************************************/ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
664 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
665 |
// SYM_REF2(structured_variable_c, record_variable, field_selector) |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
666 |
void *visit(structured_variable_c *symbol) { |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
667 |
TRACE("structured_variable_c"); |
625 | 668 |
bool type_is_complex = search_var_instance_decl->type_is_complex(symbol->record_variable); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
669 |
switch (wanted_variablegeneration) { |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
670 |
case complextype_base_vg: |
392
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
671 |
case complextype_base_assignment_vg: |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
672 |
symbol->record_variable->accept(*this); |
410
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
406
diff
changeset
|
673 |
if (!type_is_complex) { |
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
406
diff
changeset
|
674 |
s4o.print("."); |
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
406
diff
changeset
|
675 |
symbol->field_selector->accept(*this); |
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
406
diff
changeset
|
676 |
} |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
677 |
break; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
678 |
case complextype_suffix_vg: |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
679 |
symbol->record_variable->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
680 |
if (type_is_complex) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
681 |
s4o.print("."); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
682 |
symbol->field_selector->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
683 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
684 |
break; |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
685 |
case assignment_vg: |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
686 |
symbol->record_variable->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
687 |
s4o.print("."); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
688 |
symbol->field_selector->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
689 |
break; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
690 |
default: |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
691 |
if (this->is_variable_prefix_null()) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
692 |
symbol->record_variable->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
693 |
s4o.print("."); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
694 |
symbol->field_selector->accept(*this); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
695 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
696 |
else |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
697 |
print_getter(symbol); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
698 |
break; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
699 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
700 |
return NULL; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
701 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
702 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
703 |
/* subscripted_variable '[' subscript_list ']' */ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
704 |
//SYM_REF2(array_variable_c, subscripted_variable, subscript_list) |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
705 |
void *visit(array_variable_c *symbol) { |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
706 |
switch (wanted_variablegeneration) { |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
707 |
case complextype_base_vg: |
392
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
382
diff
changeset
|
708 |
case complextype_base_assignment_vg: |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
709 |
symbol->subscripted_variable->accept(*this); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
710 |
break; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
711 |
case complextype_suffix_vg: |
238
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
712 |
symbol->subscripted_variable->accept(*this); |
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
713 |
|
321
a96399ab57c2
Add better comments, and change name of functions to clarify what they do.
Mario de Sousa <msousa@fe.up.pt>
parents:
311
diff
changeset
|
714 |
current_array_type = search_varfb_instance_type->get_type_id(symbol->subscripted_variable); |
238
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
715 |
if (current_array_type == NULL) ERROR; |
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
716 |
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
717 |
s4o.print(".table"); |
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
718 |
symbol->subscript_list->accept(*this); |
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
719 |
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
720 |
current_array_type = NULL; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
721 |
break; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
722 |
default: |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
723 |
if (this->is_variable_prefix_null()) { |
238
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
724 |
symbol->subscripted_variable->accept(*this); |
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
725 |
|
321
a96399ab57c2
Add better comments, and change name of functions to clarify what they do.
Mario de Sousa <msousa@fe.up.pt>
parents:
311
diff
changeset
|
726 |
current_array_type = search_varfb_instance_type->get_type_id(symbol->subscripted_variable); |
238
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
727 |
if (current_array_type == NULL) ERROR; |
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
728 |
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
729 |
s4o.print(".table"); |
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
730 |
symbol->subscript_list->accept(*this); |
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
731 |
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
732 |
current_array_type = NULL; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
733 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
734 |
else |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
735 |
print_getter(symbol); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
736 |
break; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
737 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
738 |
return NULL; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
739 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
740 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
741 |
/* subscript_list ',' subscript */ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
742 |
void *visit(subscript_list_c *symbol) { |
377
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
743 |
array_dimension_iterator_c* array_dimension_iterator = new array_dimension_iterator_c(current_array_type); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
744 |
for (int i = 0; i < symbol->n; i++) { |
377
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
745 |
symbol_c* dimension = array_dimension_iterator->next(); |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
746 |
if (dimension == NULL) ERROR; |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
747 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
748 |
s4o.print("[("); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
749 |
symbol->elements[i]->accept(*this); |
377
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
750 |
s4o.print(") - ("); |
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
751 |
dimension->accept(*this); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
752 |
s4o.print(")]"); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
753 |
} |
377
60b012b7793f
Adding support for compiling direct array specification inside variable declaration
laurent
parents:
355
diff
changeset
|
754 |
delete array_dimension_iterator; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
755 |
return NULL; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
756 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
757 |
|
235 | 758 |
/******************************************/ |
759 |
/* B 1.4.3 - Declaration & Initialisation */ |
|
760 |
/******************************************/ |
|
237 | 761 |
|
762 |
/* helper symbol for structure_initialization */ |
|
763 |
/* structure_element_initialization_list ',' structure_element_initialization */ |
|
235 | 764 |
void *visit(structure_element_initialization_list_c *symbol) { |
765 |
generate_c_structure_initialization_c *structure_initialization = new generate_c_structure_initialization_c(&s4o); |
|
766 |
structure_initialization->init_structure_default(this->current_param_type); |
|
237 | 767 |
structure_initialization->init_structure_values(symbol); |
235 | 768 |
delete structure_initialization; |
769 |
return NULL; |
|
770 |
} |
|
771 |
||
237 | 772 |
/* helper symbol for array_initialization */ |
773 |
/* array_initial_elements_list ',' array_initial_elements */ |
|
774 |
void *visit(array_initial_elements_list_c *symbol) { |
|
775 |
generate_c_array_initialization_c *array_initialization = new generate_c_array_initialization_c(&s4o); |
|
776 |
array_initialization->init_array_size(this->current_param_type); |
|
777 |
array_initialization->init_array_values(symbol); |
|
778 |
delete array_initialization; |
|
779 |
return NULL; |
|
780 |
} |
|
70 | 781 |
/****************************************/ |
782 |
/* B.2 - Language IL (Instruction List) */ |
|
783 |
/****************************************/ |
|
784 |
||
785 |
/***********************************/ |
|
786 |
/* B 2.1 Instructions and Operands */ |
|
787 |
/***********************************/ |
|
788 |
||
789 |
/*| instruction_list il_instruction */ |
|
790 |
void *visit(instruction_list_c *symbol) { |
|
791 |
||
792 |
/* Declare the backup to the default variable, that will store the result |
|
793 |
* of the IL operations executed inside a parenthesis... |
|
794 |
*/ |
|
795 |
declare_backup_variable(); |
|
796 |
||
797 |
/* Declare the default variable, that will store the result of the IL operations... */ |
|
798 |
s4o.print(s4o.indent_spaces); |
|
799 |
s4o.print(IL_DEFVAR_T); |
|
800 |
s4o.print(" "); |
|
801 |
this->default_variable_name.accept(*this); |
|
211 | 802 |
s4o.print(";\n"); |
803 |
s4o.print(s4o.indent_spaces); |
|
804 |
print_backup_variable(); |
|
805 |
s4o.print(".INTvar = 0;\n\n"); |
|
70 | 806 |
|
807 |
print_list(symbol, s4o.indent_spaces, ";\n" + s4o.indent_spaces, ";\n"); |
|
808 |
||
809 |
return NULL; |
|
810 |
} |
|
811 |
||
812 |
||
813 |
/* | label ':' [il_incomplete_instruction] eol_list */ |
|
814 |
// SYM_REF2(il_instruction_c, label, il_instruction) |
|
815 |
void *visit(il_instruction_c *symbol) { |
|
816 |
if (NULL != symbol->label) { |
|
817 |
symbol->label->accept(*this); |
|
818 |
s4o.print(":\n"); |
|
819 |
s4o.print(s4o.indent_spaces); |
|
820 |
} |
|
311
8fcea60029de
Allow [EOL] after a label in IL.
Mario de Sousa <msousa@fe.up.pt>
parents:
309
diff
changeset
|
821 |
if (NULL != symbol->il_instruction) { |
8fcea60029de
Allow [EOL] after a label in IL.
Mario de Sousa <msousa@fe.up.pt>
parents:
309
diff
changeset
|
822 |
symbol->il_instruction->accept(*this); |
8fcea60029de
Allow [EOL] after a label in IL.
Mario de Sousa <msousa@fe.up.pt>
parents:
309
diff
changeset
|
823 |
} |
70 | 824 |
return NULL; |
825 |
} |
|
826 |
||
827 |
/* | il_simple_operator [il_operand] */ |
|
828 |
//SYM_REF2(il_simple_operation_c, il_simple_operator, il_operand) |
|
829 |
void *visit(il_simple_operation_c *symbol) { |
|
830 |
this->current_operand = symbol->il_operand; |
|
831 |
if (NULL == this->current_operand) { |
|
832 |
this->current_operand_type = NULL; |
|
833 |
} else { |
|
834 |
this->current_operand_type = search_expression_type->get_type(this->current_operand); |
|
835 |
if (NULL == this->current_operand_type) ERROR; |
|
836 |
} |
|
837 |
||
838 |
symbol->il_simple_operator->accept(*this); |
|
839 |
||
840 |
this->current_operand = NULL; |
|
841 |
this->current_operand_type = NULL; |
|
842 |
return NULL; |
|
843 |
} |
|
844 |
||
845 |
||
846 |
/* | function_name [il_operand_list] */ |
|
847 |
// SYM_REF2(il_function_call_c, function_name, il_operand_list) |
|
848 |
void *visit(il_function_call_c *symbol) { |
|
149 | 849 |
symbol_c* function_type_prefix = NULL; |
850 |
symbol_c* function_name = NULL; |
|
851 |
symbol_c* function_type_suffix = NULL; |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
852 |
DECLARE_PARAM_LIST() |
149 | 853 |
|
854 |
symbol_c *param_data_type = default_variable_name.current_type; |
|
855 |
symbol_c *return_data_type = NULL; |
|
856 |
||
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
857 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
858 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
859 |
function_declaration_c *f_decl = (function_declaration_c *)symbol->called_function_declaration; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
860 |
if (f_decl == NULL) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
861 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
862 |
/* determine the base data type returned by the function being called... */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
863 |
search_base_type_c search_base_type; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
864 |
return_data_type = (symbol_c *)f_decl->type_name->accept(search_base_type); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
865 |
if (NULL == return_data_type) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
866 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
867 |
function_name = symbol->function_name; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
868 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
869 |
/* loop through each function parameter, find the value we should pass |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
870 |
* to it, and then output the c equivalent... |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
871 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
872 |
function_param_iterator_c fp_iterator(f_decl); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
873 |
identifier_c *param_name; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
874 |
/* flag to remember whether we have already used the value stored in the default variable to pass to the first parameter */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
875 |
bool used_defvar = false; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
876 |
/* flag to cirreclty handle calls to extensible standard functions (i.e. functions with variable number of input parameters) */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
877 |
bool found_first_extensible_parameter = false; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
878 |
for(int i = 1; (param_name = fp_iterator.next()) != NULL; i++) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
879 |
if (fp_iterator.is_extensible_param() && (!found_first_extensible_parameter)) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
880 |
/* We are calling an extensible function. Before passing the extensible |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
881 |
* parameters, we must add a dummy paramater value to tell the called |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
882 |
* function how many extensible parameters we will be passing. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
883 |
* |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
884 |
* Note that stage 3 has already determined the number of extensible |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
885 |
* paramters, and stored that info in the abstract syntax tree. We simply |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
886 |
* re-use that value. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
887 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
888 |
/* NOTE: we are not freeing the malloc'd memory. This is not really a bug. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
889 |
* Since we are writing a compiler, which runs to termination quickly, |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
890 |
* we can consider this as just memory required for the compilation process |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
891 |
* that will be free'd when the program terminates. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
892 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
893 |
char *tmp = (char *)malloc(32); /* enough space for a call with 10^31 (larger than 2^64) input parameters! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
894 |
if (tmp == NULL) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
895 |
int res = snprintf(tmp, 32, "%d", symbol->extensible_param_count); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
896 |
if ((res >= 32) || (res < 0)) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
897 |
identifier_c *param_value = new identifier_c(tmp); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
898 |
uint_type_name_c *param_type = new uint_type_name_c(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
899 |
identifier_c *param_name = new identifier_c(""); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
900 |
ADD_PARAM_LIST(param_name, param_value, param_type, function_param_iterator_c::direction_in) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
901 |
found_first_extensible_parameter = true; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
902 |
} |
70 | 903 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
904 |
symbol_c *param_type = fp_iterator.param_type(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
905 |
if (param_type == NULL) ERROR; |
70 | 906 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
907 |
function_param_iterator_c::param_direction_t param_direction = fp_iterator.param_direction(); |
149 | 908 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
909 |
symbol_c *param_value = NULL; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
910 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
911 |
/* Get the value from a foo(<param_name> = <param_value>) style call */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
912 |
/* NOTE: Since the class il_function_call_c only references a non.formal function call, |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
913 |
* the following line of code is not required in this case. However, it doesn't |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
914 |
* harm to leave it in, as in the case of a non-formal syntax function call, |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
915 |
* it will always return NULL. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
916 |
* We leave it in in case we later decide to merge this part of the code together |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
917 |
* with the function calling code in generate_c_st_c, which does require |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
918 |
* the following line... |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
919 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
920 |
if (param_value == NULL) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
921 |
param_value = function_call_param_iterator.search_f(param_name); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
922 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
923 |
/* if it is the first parameter in a non-formal function call (which is the |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
924 |
* case being handled!), semantics specifies that we should |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
925 |
* get the value off the IL default variable! |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
926 |
* |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
927 |
* However, if the parameter is an implicitly defined EN or ENO parameter, we should not |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
928 |
* use the default variable as a source of data to pass to those parameters! |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
929 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
930 |
if ((param_value == NULL) && (!used_defvar) && !fp_iterator.is_en_eno_param_implicit()) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
931 |
param_value = &this->default_variable_name; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
932 |
used_defvar = true; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
933 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
934 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
935 |
/* Get the value from a foo(<param_value>) style call */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
936 |
if ((param_value == NULL) && !fp_iterator.is_en_eno_param_implicit()) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
937 |
param_value = function_call_param_iterator.next_nf(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
938 |
} |
149 | 939 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
940 |
/* if no more parameter values in function call, and the current parameter |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
941 |
* of the function declaration is an extensible parameter, we |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
942 |
* have reached the end, and should simply jump out of the for loop. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
943 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
944 |
if ((param_value == NULL) && (fp_iterator.is_extensible_param())) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
945 |
break; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
946 |
} |
149 | 947 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
948 |
if ((param_value == NULL) && (param_direction == function_param_iterator_c::direction_in)) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
949 |
/* No value given for parameter, so we must use the default... */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
950 |
/* First check whether default value specified in function declaration...*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
951 |
param_value = fp_iterator.default_value(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
952 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
953 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
954 |
ADD_PARAM_LIST(param_name, param_value, param_type, fp_iterator.param_direction()) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
955 |
} /* for(...) */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
956 |
|
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
957 |
if (function_call_param_iterator.next_nf() != NULL) ERROR; |
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
958 |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
959 |
bool has_output_params = false; |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
960 |
|
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
961 |
if (!this->is_variable_prefix_null()) { |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
962 |
PARAM_LIST_ITERATOR() { |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
963 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
964 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
965 |
PARAM_VALUE != NULL) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
966 |
has_output_params = true; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
967 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
968 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
969 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
970 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
971 |
/* Check whether we are calling an overloaded function! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
972 |
/* (fdecl_mutiplicity==2) => calling overloaded function */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
973 |
int fdecl_mutiplicity = function_symtable.multiplicity(symbol->function_name); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
974 |
if (fdecl_mutiplicity == 0) ERROR; |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
975 |
|
149 | 976 |
default_variable_name.current_type = return_data_type; |
977 |
this->default_variable_name.accept(*this); |
|
978 |
default_variable_name.current_type = param_data_type; |
|
979 |
s4o.print(" = "); |
|
980 |
||
981 |
if (function_type_prefix != NULL) { |
|
982 |
s4o.print("("); |
|
336 | 983 |
search_expression_type->default_literal_type(function_type_prefix)->accept(*this); |
149 | 984 |
s4o.print(")"); |
985 |
} |
|
336 | 986 |
if (function_type_suffix != NULL) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
987 |
function_type_suffix = search_expression_type->default_literal_type(function_type_suffix); |
336 | 988 |
} |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
989 |
if (has_output_params) { |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
990 |
fcall_number++; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
991 |
s4o.print("__"); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
992 |
fbname->accept(*this); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
993 |
s4o.print("_"); |
149 | 994 |
function_name->accept(*this); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
995 |
if (fdecl_mutiplicity == 2) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
996 |
/* function being called is overloaded! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
997 |
s4o.print("__"); |
406
6381589697ff
Fix bug with overloaded function due to literal input values
laurent
parents:
405
diff
changeset
|
998 |
print_function_parameter_data_types_c overloaded_func_suf(&s4o); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
999 |
f_decl->accept(overloaded_func_suf); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1000 |
} |
594
c8092e909886
Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents:
563
diff
changeset
|
1001 |
s4o.print(fcall_number); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1002 |
} |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1003 |
else { |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1004 |
if (function_name != NULL) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1005 |
function_name->accept(*this); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1006 |
if (fdecl_mutiplicity == 2) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1007 |
/* function being called is overloaded! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1008 |
s4o.print("__"); |
406
6381589697ff
Fix bug with overloaded function due to literal input values
laurent
parents:
405
diff
changeset
|
1009 |
print_function_parameter_data_types_c overloaded_func_suf(&s4o); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1010 |
f_decl->accept(overloaded_func_suf); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1011 |
} |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1012 |
} |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1013 |
if (function_type_suffix != NULL) |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1014 |
function_type_suffix->accept(*this); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1015 |
} |
149 | 1016 |
s4o.print("("); |
1017 |
s4o.indent_right(); |
|
1018 |
||
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1019 |
int nb_param = 0; |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1020 |
PARAM_LIST_ITERATOR() { |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1021 |
symbol_c *param_value = PARAM_VALUE; |
235 | 1022 |
current_param_type = PARAM_TYPE; |
149 | 1023 |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1024 |
switch (PARAM_DIRECTION) { |
149 | 1025 |
case function_param_iterator_c::direction_in: |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1026 |
if (nb_param > 0) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1027 |
s4o.print(",\n"+s4o.indent_spaces); |
149 | 1028 |
if (param_value == NULL) { |
1029 |
/* If not, get the default value of this variable's type */ |
|
235 | 1030 |
param_value = (symbol_c *)current_param_type->accept(*type_initial_value_c::instance()); |
149 | 1031 |
} |
1032 |
if (param_value == NULL) ERROR; |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1033 |
s4o.print("("); |
235 | 1034 |
if (search_expression_type->is_literal_integer_type(current_param_type)) |
220 | 1035 |
search_expression_type->lint_type_name.accept(*this); |
235 | 1036 |
else if (search_expression_type->is_literal_real_type(current_param_type)) |
220 | 1037 |
search_expression_type->lreal_type_name.accept(*this); |
1038 |
else |
|
235 | 1039 |
current_param_type->accept(*this); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1040 |
s4o.print(")"); |
235 | 1041 |
print_check_function(current_param_type, param_value); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1042 |
nb_param++; |
149 | 1043 |
break; |
1044 |
case function_param_iterator_c::direction_out: |
|
1045 |
case function_param_iterator_c::direction_inout: |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1046 |
if (!has_output_params) { |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1047 |
if (nb_param > 0) |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1048 |
s4o.print(",\n"+s4o.indent_spaces); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1049 |
if (param_value == NULL) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1050 |
s4o.print("NULL"); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1051 |
} else { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1052 |
wanted_variablegeneration = fparam_output_vg; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1053 |
param_value->accept(*this); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1054 |
wanted_variablegeneration = expression_vg; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1055 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1056 |
nb_param++; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1057 |
} |
149 | 1058 |
break; |
1059 |
case function_param_iterator_c::direction_extref: |
|
1060 |
/* TODO! */ |
|
1061 |
ERROR; |
|
1062 |
break; |
|
1063 |
} /* switch */ |
|
1064 |
} |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1065 |
if (has_output_params) { |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1066 |
if (nb_param > 0) |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1067 |
s4o.print(",\n"+s4o.indent_spaces); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1068 |
s4o.print(FB_FUNCTION_PARAM); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1069 |
} |
149 | 1070 |
|
1071 |
s4o.print(")"); |
|
1072 |
/* the data type returned by the function, and stored in the il default variable... */ |
|
1073 |
default_variable_name.current_type = return_data_type; |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1074 |
|
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1075 |
CLEAR_PARAM_LIST() |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1076 |
|
70 | 1077 |
return NULL; |
1078 |
} |
|
1079 |
||
1080 |
||
1081 |
/* | il_expr_operator '(' [il_operand] eol_list [simple_instr_list] ')' */ |
|
1082 |
//SYM_REF4(il_expression_c, il_expr_operator, il_operand, simple_instr_list, unused) |
|
1083 |
void *visit(il_expression_c *symbol) { |
|
1084 |
/* We will be recursevely interpreting an instruction list, |
|
1085 |
* so we store a backup of the data type of the value currently stored |
|
1086 |
* in the default variable, and set the current data type to NULL |
|
1087 |
*/ |
|
1088 |
symbol_c *old_current_default_variable_data_type = this->default_variable_name.current_type; |
|
1089 |
this->default_variable_name.current_type = NULL; |
|
1090 |
||
1091 |
/* Pass the symbol->il_operand to the simple_instr_list visitor |
|
1092 |
* using the il_default_variable_init_value parameter... |
|
1093 |
* Note that the simple_instr_list_c visitor will set this parameter |
|
1094 |
* to NULL as soon as it does not require it any longer, |
|
1095 |
* so we don't do it here again after the |
|
1096 |
* symbol->simple_instr_list->accept(*this); |
|
1097 |
* returns... |
|
1098 |
*/ |
|
1099 |
this->il_default_variable_init_value = symbol->il_operand; |
|
1100 |
||
1101 |
/* Now do the parenthesised instructions... */ |
|
1102 |
/* NOTE: the following code line will get the variable |
|
1103 |
* this->default_variable_name.current_type updated! |
|
1104 |
*/ |
|
1105 |
symbol->simple_instr_list->accept(*this); |
|
1106 |
||
1107 |
/* Now do the operation, using the previous result! */ |
|
1108 |
/* NOTE: The result of the previous instruction list will be stored |
|
1109 |
* in a variable named IL_DEFVAR_BACK. This is done in the visitor |
|
1110 |
* to instruction_list_c objects... |
|
1111 |
*/ |
|
1112 |
this->current_operand = &(this->default_variable_back_name); |
|
1113 |
this->current_operand_type = this->default_variable_back_name.current_type; |
|
1114 |
||
1115 |
this->default_variable_name.current_type = old_current_default_variable_data_type; |
|
1116 |
if (NULL == this->current_operand_type) ERROR; |
|
1117 |
||
1118 |
symbol->il_expr_operator->accept(*this); |
|
1119 |
||
1120 |
this->current_operand = NULL; |
|
1121 |
this->current_operand_type = NULL; |
|
1122 |
this->default_variable_back_name.current_type = NULL; |
|
1123 |
return NULL; |
|
1124 |
} |
|
1125 |
||
1126 |
/* il_jump_operator label */ |
|
1127 |
// SYM_REF2(il_jump_operation_c, il_jump_operator, label) |
|
1128 |
void *visit(il_jump_operation_c *symbol) { |
|
1129 |
/* Pass the symbol->label to the il_jump_operation visitor |
|
1130 |
* using the jump_label parameter... |
|
1131 |
*/ |
|
1132 |
this->jump_label = symbol->label; |
|
1133 |
symbol->il_jump_operator->accept(*this); |
|
1134 |
this->jump_label = NULL; |
|
1135 |
||
1136 |
return NULL; |
|
1137 |
} |
|
1138 |
||
1139 |
/* il_call_operator prev_declared_fb_name |
|
1140 |
* | il_call_operator prev_declared_fb_name '(' ')' |
|
1141 |
* | il_call_operator prev_declared_fb_name '(' eol_list ')' |
|
1142 |
* | il_call_operator prev_declared_fb_name '(' il_operand_list ')' |
|
1143 |
* | il_call_operator prev_declared_fb_name '(' eol_list il_param_list ')' |
|
1144 |
*/ |
|
1145 |
// SYM_REF4(il_fb_call_c, il_call_operator, fb_name, il_operand_list, il_param_list) |
|
1146 |
void *visit(il_fb_call_c *symbol) { |
|
1147 |
symbol->il_call_operator->accept(*this); |
|
1148 |
s4o.print("{\n"); |
|
1149 |
s4o.indent_right(); |
|
1150 |
s4o.print(s4o.indent_spaces); |
|
1151 |
||
1152 |
/* first figure out what is the name of the function block type of the function block being called... */ |
|
1153 |
symbol_c *function_block_type_name = this->search_fb_instance_decl->get_type_name(symbol->fb_name); |
|
1154 |
/* should never occur. The function block instance MUST have been declared... */ |
|
1155 |
if (function_block_type_name == NULL) ERROR; |
|
1156 |
||
1157 |
/* Now find the declaration of the function block type being called... */ |
|
1158 |
function_block_declaration_c *fb_decl = function_block_type_symtable.find_value(function_block_type_name); |
|
1159 |
/* should never occur. The function block type being called MUST be in the symtable... */ |
|
1160 |
if (fb_decl == function_block_type_symtable.end_value()) ERROR; |
|
1161 |
||
1162 |
/* loop through each function block parameter, find the value we should pass |
|
1163 |
* to it, and then output the c equivalent... |
|
1164 |
*/ |
|
1165 |
function_param_iterator_c fp_iterator(fb_decl); |
|
1166 |
identifier_c *param_name; |
|
1167 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
|
1168 |
for(int i = 1; (param_name = fp_iterator.next()) != NULL; i++) { |
|
1169 |
function_param_iterator_c::param_direction_t param_direction = fp_iterator.param_direction(); |
|
1170 |
||
1171 |
/* Get the value from a foo(<param_name> = <param_value>) style call */ |
|
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
1172 |
symbol_c *param_value = function_call_param_iterator.search_f(param_name); |
70 | 1173 |
|
1174 |
/* Get the value from a foo(<param_value>) style call */ |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1175 |
/* When using the informal invocation style, user can not pass values to EN or ENO parameters if these |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1176 |
* were implicitly defined! |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1177 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1178 |
if ((param_value == NULL) && !fp_iterator.is_en_eno_param_implicit()) |
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
1179 |
param_value = function_call_param_iterator.next_nf(); |
70 | 1180 |
|
98 | 1181 |
symbol_c *param_type = fp_iterator.param_type(); |
1182 |
if (param_type == NULL) ERROR; |
|
1183 |
||
123 | 1184 |
/* now output the value assignment */ |
70 | 1185 |
if (param_value != NULL) |
1186 |
if ((param_direction == function_param_iterator_c::direction_in) || |
|
1187 |
(param_direction == function_param_iterator_c::direction_inout)) { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1188 |
if (this->is_variable_prefix_null()) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1189 |
symbol->fb_name->accept(*this); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1190 |
s4o.print("."); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1191 |
param_name->accept(*this); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1192 |
s4o.print(" = "); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1193 |
print_check_function(param_type, param_value); |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1194 |
} |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1195 |
else { |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1196 |
print_setter(param_name, param_type, param_value, symbol->fb_name); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1197 |
} |
70 | 1198 |
s4o.print(";\n" + s4o.indent_spaces); |
1199 |
} |
|
1200 |
} /* for(...) */ |
|
1201 |
||
1202 |
/* now call the function... */ |
|
1203 |
function_block_type_name->accept(*this); |
|
1204 |
s4o.print(FB_FUNCTION_SUFFIX); |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1205 |
s4o.print("("); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1206 |
if (search_var_instance_decl->get_vartype(symbol->fb_name) != search_var_instance_decl_c::external_vt) |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1207 |
s4o.print("&"); |
240 | 1208 |
print_variable_prefix(); |
70 | 1209 |
symbol->fb_name->accept(*this); |
1210 |
s4o.print(")"); |
|
1211 |
||
1212 |
/* loop through each function parameter, find the variable to which |
|
1213 |
* we should atribute the value of all output or inoutput parameters. |
|
1214 |
*/ |
|
1215 |
fp_iterator.reset(); |
|
1216 |
function_call_param_iterator.reset(); |
|
1217 |
for(int i = 1; (param_name = fp_iterator.next()) != NULL; i++) { |
|
1218 |
function_param_iterator_c::param_direction_t param_direction = fp_iterator.param_direction(); |
|
1219 |
||
1220 |
/* Get the value from a foo(<param_name> = <param_value>) style call */ |
|
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
1221 |
symbol_c *param_value = function_call_param_iterator.search_f(param_name); |
70 | 1222 |
|
1223 |
/* Get the value from a foo(<param_value>) style call */ |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1224 |
/* When using the informal invocation style, user can not pass values to EN or ENO parameters if these |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1225 |
* were implicitly defined! |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1226 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1227 |
if ((param_value == NULL) && !fp_iterator.is_en_eno_param_implicit()) |
202
da1a8186f86f
Initial (very rough) version of semantic checker (stage3)
Catarina Boucinha <ccb@fe.up.pt>
parents:
201
diff
changeset
|
1228 |
param_value = function_call_param_iterator.next_nf(); |
70 | 1229 |
|
1230 |
/* now output the value assignment */ |
|
1231 |
if (param_value != NULL) |
|
1232 |
if ((param_direction == function_param_iterator_c::direction_out) || |
|
1233 |
(param_direction == function_param_iterator_c::direction_inout)) { |
|
321
a96399ab57c2
Add better comments, and change name of functions to clarify what they do.
Mario de Sousa <msousa@fe.up.pt>
parents:
311
diff
changeset
|
1234 |
symbol_c *param_type = search_varfb_instance_type->get_type_id(param_value); |
240 | 1235 |
s4o.print(";\n" + s4o.indent_spaces); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1236 |
if (this->is_variable_prefix_null()) { |
240 | 1237 |
param_value->accept(*this); |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1238 |
s4o.print(" = "); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1239 |
print_check_function(param_type, param_name, symbol->fb_name); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1240 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1241 |
else { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1242 |
print_setter(param_value, param_type, param_name, NULL, symbol->fb_name); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1243 |
} |
70 | 1244 |
} |
1245 |
} /* for(...) */ |
|
1246 |
||
1247 |
s4o.print(";\n"); |
|
1248 |
s4o.indent_left(); |
|
1249 |
s4o.print(s4o.indent_spaces); |
|
1250 |
s4o.print("}"); |
|
1251 |
||
1252 |
return NULL; |
|
1253 |
} |
|
1254 |
||
1255 |
||
1256 |
||
1257 |
/* | function_name '(' eol_list [il_param_list] ')' */ |
|
1258 |
// SYM_REF2(il_formal_funct_call_c, function_name, il_param_list) |
|
1259 |
void *visit(il_formal_funct_call_c *symbol) { |
|
149 | 1260 |
symbol_c* function_type_prefix = NULL; |
1261 |
symbol_c* function_name = NULL; |
|
1262 |
symbol_c* function_type_suffix = NULL; |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1263 |
DECLARE_PARAM_LIST() |
149 | 1264 |
|
1265 |
symbol_c *return_data_type = NULL; |
|
1266 |
||
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
1267 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
1268 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1269 |
function_declaration_c *f_decl = (function_declaration_c *)symbol->called_function_declaration; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1270 |
if (f_decl == NULL) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1271 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1272 |
/* determine the base data type returned by the function being called... */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1273 |
search_base_type_c search_base_type; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1274 |
return_data_type = (symbol_c *)f_decl->type_name->accept(search_base_type); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1275 |
if (NULL == return_data_type) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1276 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1277 |
function_name = symbol->function_name; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1278 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1279 |
/* loop through each function parameter, find the value we should pass |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1280 |
* to it, and then output the c equivalent... |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1281 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1282 |
function_param_iterator_c fp_iterator(f_decl); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1283 |
identifier_c *param_name; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1284 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1285 |
/* flag to cirreclty handle calls to extensible standard functions (i.e. functions with variable number of input parameters) */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1286 |
bool found_first_extensible_parameter = false; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1287 |
for(int i = 1; (param_name = fp_iterator.next()) != NULL; i++) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1288 |
if (fp_iterator.is_extensible_param() && (!found_first_extensible_parameter)) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1289 |
/* We are calling an extensible function. Before passing the extensible |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1290 |
* parameters, we must add a dummy paramater value to tell the called |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1291 |
* function how many extensible parameters we will be passing. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1292 |
* |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1293 |
* Note that stage 3 has already determined the number of extensible |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1294 |
* paramters, and stored that info in the abstract syntax tree. We simply |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1295 |
* re-use that value. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1296 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1297 |
/* NOTE: we are not freeing the malloc'd memory. This is not really a bug. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1298 |
* Since we are writing a compiler, which runs to termination quickly, |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1299 |
* we can consider this as just memory required for the compilation process |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1300 |
* that will be free'd when the program terminates. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1301 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1302 |
char *tmp = (char *)malloc(32); /* enough space for a call with 10^31 (larger than 2^64) input parameters! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1303 |
if (tmp == NULL) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1304 |
int res = snprintf(tmp, 32, "%d", symbol->extensible_param_count); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1305 |
if ((res >= 32) || (res < 0)) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1306 |
identifier_c *param_value = new identifier_c(tmp); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1307 |
uint_type_name_c *param_type = new uint_type_name_c(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1308 |
identifier_c *param_name = new identifier_c(""); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1309 |
ADD_PARAM_LIST(param_name, param_value, param_type, function_param_iterator_c::direction_in) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1310 |
found_first_extensible_parameter = true; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1311 |
} |
149 | 1312 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1313 |
if (fp_iterator.is_extensible_param()) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1314 |
/* since we are handling an extensible parameter, we must add the index to the |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1315 |
* parameter name so we can go looking for the value passed to the correct |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1316 |
* extended parameter (e.g. IN1, IN2, IN3, IN4, ...) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1317 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1318 |
char *tmp = (char *)malloc(32); /* enough space for a call with 10^31 (larger than 2^64) input parameters! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1319 |
int res = snprintf(tmp, 32, "%d", fp_iterator.extensible_param_index()); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1320 |
if ((res >= 32) || (res < 0)) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1321 |
param_name = new identifier_c(strdup2(param_name->value, tmp)); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1322 |
if (param_name->value == NULL) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1323 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1324 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1325 |
symbol_c *param_type = fp_iterator.param_type(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1326 |
if (param_type == NULL) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1327 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1328 |
function_param_iterator_c::param_direction_t param_direction = fp_iterator.param_direction(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1329 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1330 |
symbol_c *param_value = NULL; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1331 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1332 |
/* Get the value from a foo(<param_name> = <param_value>) style call */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1333 |
if (param_value == NULL) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1334 |
param_value = function_call_param_iterator.search_f(param_name); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1335 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1336 |
/* Get the value from a foo(<param_value>) style call */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1337 |
/* NOTE: the following line of code is not required in this case, but it doesn't |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1338 |
* harm to leave it in, as in the case of a formal syntax function call, |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1339 |
* it will always return NULL. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1340 |
* We leave it in in case we later decide to merge this part of the code together |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1341 |
* with the function calling code in generate_c_st_c, which does require |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1342 |
* the following line... |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1343 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1344 |
if ((param_value == NULL) && !fp_iterator.is_en_eno_param_implicit()) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1345 |
param_value = function_call_param_iterator.next_nf(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1346 |
} |
149 | 1347 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1348 |
/* if no more parameter values in function call, and the current parameter |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1349 |
* of the function declaration is an extensible parameter, we |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1350 |
* have reached the end, and should simply jump out of the for loop. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1351 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1352 |
if ((param_value == NULL) && (fp_iterator.is_extensible_param())) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1353 |
break; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1354 |
} |
169 | 1355 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1356 |
if ((param_value == NULL) && (param_direction == function_param_iterator_c::direction_in)) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1357 |
/* No value given for parameter, so we must use the default... */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1358 |
/* First check whether default value specified in function declaration...*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1359 |
param_value = fp_iterator.default_value(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1360 |
} |
149 | 1361 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1362 |
ADD_PARAM_LIST(param_name, param_value, param_type, fp_iterator.param_direction()) |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1363 |
} |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1364 |
|
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
1365 |
if (function_call_param_iterator.next_nf() != NULL) ERROR; |
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
1366 |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1367 |
bool has_output_params = false; |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1368 |
|
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1369 |
if (!this->is_variable_prefix_null()) { |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1370 |
PARAM_LIST_ITERATOR() { |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1371 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1372 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1373 |
PARAM_VALUE != NULL) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1374 |
has_output_params = true; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1375 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1376 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1377 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1378 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1379 |
/* Check whether we are calling an overloaded function! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1380 |
/* (fdecl_mutiplicity==2) => calling overloaded function */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1381 |
int fdecl_mutiplicity = function_symtable.multiplicity(symbol->function_name); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1382 |
if (fdecl_mutiplicity == 0) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1383 |
if (fdecl_mutiplicity == 1) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1384 |
/* function being called is NOT overloaded! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1385 |
f_decl = NULL; |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1386 |
|
149 | 1387 |
default_variable_name.current_type = return_data_type; |
1388 |
this->default_variable_name.accept(*this); |
|
1389 |
s4o.print(" = "); |
|
1390 |
||
1391 |
if (function_type_prefix != NULL) { |
|
1392 |
s4o.print("("); |
|
336 | 1393 |
search_expression_type->default_literal_type(function_type_prefix)->accept(*this); |
149 | 1394 |
s4o.print(")"); |
1395 |
} |
|
336 | 1396 |
if (function_type_suffix != NULL) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1397 |
function_type_suffix = search_expression_type->default_literal_type(function_type_suffix); |
336 | 1398 |
} |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1399 |
if (has_output_params) { |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1400 |
fcall_number++; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1401 |
s4o.print("__"); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1402 |
fbname->accept(*this); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1403 |
s4o.print("_"); |
149 | 1404 |
function_name->accept(*this); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1405 |
if (fdecl_mutiplicity == 2) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1406 |
/* function being called is overloaded! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1407 |
s4o.print("__"); |
406
6381589697ff
Fix bug with overloaded function due to literal input values
laurent
parents:
405
diff
changeset
|
1408 |
print_function_parameter_data_types_c overloaded_func_suf(&s4o); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1409 |
f_decl->accept(overloaded_func_suf); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1410 |
} |
594
c8092e909886
Clean up code (remove parsing of integers in stage 4).
Mario de Sousa <msousa@fe.up.pt>
parents:
563
diff
changeset
|
1411 |
s4o.print(fcall_number); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1412 |
} |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1413 |
else { |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1414 |
if (function_name != NULL) { |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1415 |
function_name->accept(*this); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1416 |
if (fdecl_mutiplicity == 2) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1417 |
/* function being called is overloaded! */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1418 |
s4o.print("__"); |
406
6381589697ff
Fix bug with overloaded function due to literal input values
laurent
parents:
405
diff
changeset
|
1419 |
print_function_parameter_data_types_c overloaded_func_suf(&s4o); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1420 |
f_decl->accept(overloaded_func_suf); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1421 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1422 |
} |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1423 |
if (function_type_suffix != NULL) |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1424 |
function_type_suffix->accept(*this); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1425 |
} |
70 | 1426 |
s4o.print("("); |
149 | 1427 |
s4o.indent_right(); |
1428 |
||
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1429 |
int nb_param = 0; |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1430 |
PARAM_LIST_ITERATOR() { |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1431 |
symbol_c *param_value = PARAM_VALUE; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1432 |
current_param_type = PARAM_TYPE; |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1433 |
switch (PARAM_DIRECTION) { |
70 | 1434 |
case function_param_iterator_c::direction_in: |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1435 |
if (nb_param > 0) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1436 |
s4o.print(",\n"+s4o.indent_spaces); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1437 |
if (param_value == NULL) { |
70 | 1438 |
/* If not, get the default value of this variable's type */ |
235 | 1439 |
param_value = (symbol_c *)current_param_type->accept(*type_initial_value_c::instance()); |
70 | 1440 |
} |
1441 |
if (param_value == NULL) ERROR; |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1442 |
s4o.print("("); |
235 | 1443 |
if (search_expression_type->is_literal_integer_type(current_param_type)) |
220 | 1444 |
search_expression_type->lint_type_name.accept(*this); |
235 | 1445 |
else if (search_expression_type->is_literal_real_type(current_param_type)) |
220 | 1446 |
search_expression_type->lreal_type_name.accept(*this); |
1447 |
else |
|
235 | 1448 |
current_param_type->accept(*this); |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1449 |
s4o.print(")"); |
235 | 1450 |
print_check_function(current_param_type, param_value); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1451 |
nb_param++; |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1452 |
break; |
70 | 1453 |
case function_param_iterator_c::direction_out: |
1454 |
case function_param_iterator_c::direction_inout: |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1455 |
if (!has_output_params) { |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1456 |
if (nb_param > 0) |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1457 |
s4o.print(",\n"+s4o.indent_spaces); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1458 |
if (param_value == NULL) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1459 |
s4o.print("NULL"); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1460 |
} else { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1461 |
wanted_variablegeneration = fparam_output_vg; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1462 |
param_value->accept(*this); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1463 |
wanted_variablegeneration = expression_vg; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1464 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1465 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1466 |
break; |
70 | 1467 |
case function_param_iterator_c::direction_extref: |
1468 |
/* TODO! */ |
|
1469 |
ERROR; |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1470 |
break; |
70 | 1471 |
} /* switch */ |
1472 |
} /* for(...) */ |
|
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1473 |
if (has_output_params) { |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1474 |
if (nb_param > 0) |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1475 |
s4o.print(",\n"+s4o.indent_spaces); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1476 |
s4o.print(FB_FUNCTION_PARAM); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1477 |
} |
70 | 1478 |
|
1479 |
// symbol->parameter_assignment->accept(*this); |
|
1480 |
s4o.print(")"); |
|
149 | 1481 |
/* the data type returned by the function, and stored in the il default variable... */ |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1482 |
|
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1483 |
CLEAR_PARAM_LIST() |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1484 |
|
70 | 1485 |
return NULL; |
1486 |
} |
|
1487 |
||
1488 |
||
1489 |
/* | il_operand_list ',' il_operand */ |
|
1490 |
// SYM_LIST(il_operand_list_c) |
|
1491 |
void *visit(il_operand_list_c *symbol) {ERROR; return NULL;} // should never get called! |
|
1492 |
||
1493 |
||
1494 |
/* | simple_instr_list il_simple_instruction */ |
|
1495 |
// SYM_LIST(simple_instr_list_c) |
|
1496 |
void *visit(simple_instr_list_c *symbol) { |
|
1497 |
/* A simple_instr_list_c is used to store a list of il operations |
|
1498 |
* being done within parenthesis... |
|
1499 |
* |
|
1500 |
* e.g.: |
|
1501 |
* LD var1 |
|
1502 |
* AND ( var2 |
|
1503 |
* OR var3 |
|
1504 |
* OR var4 |
|
1505 |
* ) |
|
1506 |
* |
|
1507 |
* This will be converted to C++ by defining a new scope |
|
1508 |
* with a new il default variable, and executing the il operands |
|
1509 |
* within this new scope. |
|
1510 |
* At the end of the scope the result, i.e. the value currently stored |
|
1511 |
* in the il default variable is copied to the variable used to take this |
|
1512 |
* value to the outside scope... |
|
1513 |
* |
|
1514 |
* The above example will result in the following C++ code: |
|
1515 |
* {__IL_DEFVAR_T __IL_DEFVAR_BACK; |
|
1516 |
* __IL_DEFVAR_T __IL_DEFVAR; |
|
1517 |
* |
|
1518 |
* __IL_DEFVAR.INTvar = var1; |
|
1519 |
* { |
|
1520 |
* __IL_DEFVAR_T __IL_DEFVAR; |
|
1521 |
* |
|
1522 |
* __IL_DEFVAR.INTvar = var2; |
|
1523 |
* __IL_DEFVAR.INTvar |= var3; |
|
1524 |
* __IL_DEFVAR.INTvar |= var4; |
|
1525 |
* |
|
1526 |
* __IL_DEFVAR_BACK = __IL_DEFVAR; |
|
1527 |
* } |
|
1528 |
* __IL_DEFVAR.INTvar &= __IL_DEFVAR_BACK.INTvar; |
|
1529 |
* |
|
1530 |
* } |
|
1531 |
* |
|
1532 |
* The intial value of the il default variable (in the above |
|
1533 |
* example 'var2') is passed to this simple_instr_list_c visitor |
|
1534 |
* using the il_default_variable_init_value parameter. |
|
1535 |
* Since it is possible to have parenthesis inside other parenthesis |
|
1536 |
* recursively, we reset the il_default_variable_init_value to NULL |
|
1537 |
* as soon as we no longer require it, as it may be used once again |
|
1538 |
* in the line |
|
1539 |
* print_list(symbol, s4o.indent_spaces, ";\n" + s4o.indent_spaces, ";\n"); |
|
1540 |
* |
|
1541 |
*/ |
|
1542 |
||
1543 |
/* Declare the default variable, that will store the result of the IL operations... */ |
|
1544 |
s4o.print("{\n"); |
|
1545 |
s4o.indent_right(); |
|
1546 |
||
1547 |
s4o.print(s4o.indent_spaces); |
|
1548 |
s4o.print(IL_DEFVAR_T); |
|
1549 |
s4o.print(" "); |
|
1550 |
this->default_variable_name.accept(*this); |
|
1551 |
s4o.print(";\n\n"); |
|
1552 |
||
1553 |
/* Check whether we should initiliase the il default variable... */ |
|
1554 |
if (NULL != this->il_default_variable_init_value) { |
|
1555 |
/* Yes, we must... */ |
|
1556 |
/* We will do it by instatiating a LD operator, and having this |
|
1557 |
* same generate_c_il_c class visiting it! |
|
1558 |
*/ |
|
1559 |
LD_operator_c ld_oper; |
|
1560 |
il_simple_operation_c il_simple_oper(&ld_oper, this->il_default_variable_init_value); |
|
1561 |
||
1562 |
s4o.print(s4o.indent_spaces); |
|
1563 |
il_simple_oper.accept(*this); |
|
1564 |
s4o.print(";\n"); |
|
1565 |
} |
|
1566 |
||
1567 |
/* this parameter no longer required... */ |
|
1568 |
this->il_default_variable_init_value = NULL; |
|
1569 |
||
1570 |
print_list(symbol, s4o.indent_spaces, ";\n" + s4o.indent_spaces, ";\n"); |
|
1571 |
||
1572 |
/* copy the result in the default variable to the variable |
|
1573 |
* used to pass the data out to the scope enclosing |
|
1574 |
* the current scope! |
|
1575 |
* |
|
1576 |
* We also need to update the data type currently stored within |
|
1577 |
* the variable used to pass the data to the outside scope... |
|
1578 |
*/ |
|
1579 |
this->default_variable_back_name.current_type = this->default_variable_name.current_type; |
|
1580 |
s4o.print("\n"); |
|
1581 |
s4o.print(s4o.indent_spaces); |
|
1582 |
this->default_variable_back_name.accept(*this); |
|
1583 |
s4o.print(" = "); |
|
1584 |
this->default_variable_name.accept(*this); |
|
1585 |
s4o.print(";\n"); |
|
1586 |
||
1587 |
s4o.indent_left(); |
|
1588 |
s4o.print(s4o.indent_spaces); |
|
1589 |
s4o.print("}\n"); |
|
1590 |
s4o.print(s4o.indent_spaces); |
|
1591 |
return NULL; |
|
1592 |
} |
|
1593 |
||
453
4733f662362a
More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents:
392
diff
changeset
|
1594 |
// SYM_REF1(il_simple_instruction_c, il_simple_instruction, symbol_c *prev_il_instruction;) |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1595 |
void *visit(il_simple_instruction_c *symbol) { |
453
4733f662362a
More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents:
392
diff
changeset
|
1596 |
return symbol->il_simple_instruction->accept(*this); |
4733f662362a
More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents:
392
diff
changeset
|
1597 |
} |
4733f662362a
More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents:
392
diff
changeset
|
1598 |
|
4733f662362a
More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents:
392
diff
changeset
|
1599 |
|
70 | 1600 |
/* | il_initial_param_list il_param_instruction */ |
1601 |
// SYM_LIST(il_param_list_c) |
|
1602 |
void *visit(il_param_list_c *symbol) {ERROR; return NULL;} // should never get called! |
|
1603 |
||
1604 |
/* il_assign_operator il_operand |
|
1605 |
* | il_assign_operator '(' eol_list simple_instr_list ')' |
|
1606 |
*/ |
|
1607 |
// SYM_REF4(il_param_assignment_c, il_assign_operator, il_operand, simple_instr_list, unused) |
|
1608 |
void *visit(il_param_assignment_c *symbol) {ERROR; return NULL;} // should never get called! |
|
1609 |
||
1610 |
/* il_assign_out_operator variable */ |
|
1611 |
// SYM_REF2(il_param_out_assignment_c, il_assign_out_operator, variable); |
|
1612 |
void *visit(il_param_out_assignment_c *symbol) {ERROR; return NULL;} // should never get called! |
|
1613 |
||
1614 |
/*******************/ |
|
1615 |
/* B 2.2 Operators */ |
|
1616 |
/*******************/ |
|
1617 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1618 |
void *visit(LD_operator_c *symbol) { |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1619 |
if (wanted_variablegeneration != expression_vg) { |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1620 |
s4o.print("LD"); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1621 |
return NULL; |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1622 |
} |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1623 |
|
70 | 1624 |
/* the data type resulting from this operation... */ |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1625 |
this->default_variable_name.current_type = this->current_operand_type; |
210
8387cac2aba6
Adding support for forcing tick count to return to zero as the same time than all tasks firing are synchronized
laurent
parents:
208
diff
changeset
|
1626 |
XXX_operator(&(this->default_variable_name), " = ", this->current_operand); |
70 | 1627 |
return NULL; |
1628 |
} |
|
1629 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1630 |
void *visit(LDN_operator_c *symbol) { |
70 | 1631 |
/* the data type resulting from this operation... */ |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1632 |
this->default_variable_name.current_type = this->current_operand_type; |
70 | 1633 |
XXX_operator(&(this->default_variable_name), |
1634 |
search_expression_type->is_bool_type(this->current_operand_type)?" = !":" = ~", |
|
1635 |
this->current_operand); |
|
1636 |
return NULL; |
|
1637 |
} |
|
1638 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1639 |
void *visit(ST_operator_c *symbol) { |
321
a96399ab57c2
Add better comments, and change name of functions to clarify what they do.
Mario de Sousa <msousa@fe.up.pt>
parents:
311
diff
changeset
|
1640 |
symbol_c *operand_type = search_varfb_instance_type->get_type_id(this->current_operand); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1641 |
if (search_expression_type->is_literal_integer_type(this->default_variable_name.current_type) || |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1642 |
search_expression_type->is_literal_real_type(this->default_variable_name.current_type)) |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1643 |
this->default_variable_name.current_type = this->current_operand_type; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1644 |
if (this->is_variable_prefix_null()) { |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1645 |
this->current_operand->accept(*this); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1646 |
s4o.print(" = "); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1647 |
print_check_function(operand_type, (symbol_c*)&(this->default_variable_name)); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1648 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1649 |
else { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1650 |
print_setter(this->current_operand, operand_type, (symbol_c*)&(this->default_variable_name)); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1651 |
} |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1652 |
/* the data type resulting from this operation is unchanged. */ |
70 | 1653 |
return NULL; |
1654 |
} |
|
1655 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1656 |
void *visit(STN_operator_c *symbol) { |
321
a96399ab57c2
Add better comments, and change name of functions to clarify what they do.
Mario de Sousa <msousa@fe.up.pt>
parents:
311
diff
changeset
|
1657 |
symbol_c *operand_type = search_varfb_instance_type->get_type_id(this->current_operand); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1658 |
if (search_expression_type->is_literal_integer_type(this->default_variable_name.current_type)) |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1659 |
this->default_variable_name.current_type = this->current_operand_type; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1660 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1661 |
if (this->is_variable_prefix_null()) { |
217
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1662 |
this->current_operand->accept(*this); |
f5dfadf5de54
Adding support for declare, init, get and set macros
laurent
parents:
216
diff
changeset
|
1663 |
s4o.print(" = "); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1664 |
if (search_expression_type->is_bool_type(this->current_operand_type)) |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1665 |
s4o.print("!"); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1666 |
else |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1667 |
s4o.print("~"); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1668 |
this->default_variable_name.accept(*this); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1669 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1670 |
else { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1671 |
print_setter(this->current_operand, operand_type, (symbol_c*)&(this->default_variable_name), NULL, NULL, true); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1672 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
226
diff
changeset
|
1673 |
/* the data type resulting from this operation is unchanged. */ |
70 | 1674 |
return NULL; |
1675 |
} |
|
1676 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1677 |
void *visit(NOT_operator_c *symbol) { |
470
d2cd05c5e01a
Semantic verification of NOT operator.
Mario de Sousa <msousa@fe.up.pt>
parents:
453
diff
changeset
|
1678 |
/* NOTE: the standard allows syntax in which the NOT operator is followed by an optional <il_operand> |
d2cd05c5e01a
Semantic verification of NOT operator.
Mario de Sousa <msousa@fe.up.pt>
parents:
453
diff
changeset
|
1679 |
* NOT [<il_operand>] |
d2cd05c5e01a
Semantic verification of NOT operator.
Mario de Sousa <msousa@fe.up.pt>
parents:
453
diff
changeset
|
1680 |
* However, it does not define the semantic of the NOT operation when the <il_operand> is specified. |
d2cd05c5e01a
Semantic verification of NOT operator.
Mario de Sousa <msousa@fe.up.pt>
parents:
453
diff
changeset
|
1681 |
* We therefore consider it an error if an il_operand is specified! |
d2cd05c5e01a
Semantic verification of NOT operator.
Mario de Sousa <msousa@fe.up.pt>
parents:
453
diff
changeset
|
1682 |
* The error is caught in stage 3! |
d2cd05c5e01a
Semantic verification of NOT operator.
Mario de Sousa <msousa@fe.up.pt>
parents:
453
diff
changeset
|
1683 |
*/ |
70 | 1684 |
if ((NULL != this->current_operand) || (NULL != this->current_operand_type)) ERROR; |
1685 |
XXX_operator(&(this->default_variable_name), |
|
1686 |
search_expression_type->is_bool_type(this->default_variable_name.current_type)?" = !":" = ~", |
|
1687 |
&(this->default_variable_name)); |
|
1688 |
/* the data type resulting from this operation is unchanged. */ |
|
1689 |
return NULL; |
|
1690 |
} |
|
1691 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1692 |
void *visit(S_operator_c *symbol) { |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1693 |
if (wanted_variablegeneration != expression_vg) { |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1694 |
s4o.print("LD"); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1695 |
return NULL; |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1696 |
} |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1697 |
|
70 | 1698 |
if ((NULL == this->current_operand) || (NULL == this->current_operand_type)) ERROR; |
1699 |
||
1700 |
C_modifier(); |
|
1701 |
this->current_operand->accept(*this); |
|
240 | 1702 |
s4o.print(" = __"); |
1703 |
if (search_expression_type->is_bool_type(this->current_operand_type)) |
|
1704 |
s4o.print("BOOL_LITERAL(TRUE)"); |
|
1705 |
else if (search_expression_type->is_integer_type(this->current_operand_type)) { |
|
1706 |
this->current_operand_type->accept(*this); |
|
1707 |
s4o.print("_LITERAL(1)"); |
|
1708 |
} |
|
1709 |
else |
|
1710 |
ERROR; |
|
70 | 1711 |
/* the data type resulting from this operation is unchanged! */ |
1712 |
return NULL; |
|
1713 |
} |
|
1714 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1715 |
void *visit(R_operator_c *symbol) { |
382
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1716 |
if (wanted_variablegeneration != expression_vg) { |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1717 |
s4o.print("LD"); |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1718 |
return NULL; |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1719 |
} |
ac6dfec701c9
Fix bug in parser while trying to use IL operator like S1, R1, etc... as standard function block interface variable in structured_variable syntax and bug in code generator while generating code for assignment of function block interface variable using structured_variable syntax
laurent
parents:
377
diff
changeset
|
1720 |
|
70 | 1721 |
if ((NULL == this->current_operand) || (NULL == this->current_operand_type)) ERROR; |
1722 |
||
1723 |
C_modifier(); |
|
1724 |
this->current_operand->accept(*this); |
|
240 | 1725 |
s4o.print(" = __"); |
1726 |
if (search_expression_type->is_bool_type(this->current_operand_type)) |
|
1727 |
s4o.print("BOOL_LITERAL(FALSE)"); |
|
1728 |
else if (search_expression_type->is_integer_type(this->current_operand_type)) { |
|
1729 |
this->current_operand_type->accept(*this); |
|
1730 |
s4o.print("_LITERAL(0)"); |
|
1731 |
} |
|
1732 |
else |
|
1733 |
ERROR; |
|
70 | 1734 |
/* the data type resulting from this operation is unchanged! */ |
1735 |
return NULL; |
|
1736 |
} |
|
1737 |
||
1738 |
void *visit(S1_operator_c *symbol) {return XXX_CAL_operator("S1", this->current_operand);} |
|
1739 |
void *visit(R1_operator_c *symbol) {return XXX_CAL_operator("R1", this->current_operand);} |
|
1740 |
void *visit(CLK_operator_c *symbol) {return XXX_CAL_operator("CLK", this->current_operand);} |
|
1741 |
void *visit(CU_operator_c *symbol) {return XXX_CAL_operator("CU", this->current_operand);} |
|
1742 |
void *visit(CD_operator_c *symbol) {return XXX_CAL_operator("CD", this->current_operand);} |
|
1743 |
void *visit(PV_operator_c *symbol) {return XXX_CAL_operator("PV", this->current_operand);} |
|
1744 |
void *visit(IN_operator_c *symbol) {return XXX_CAL_operator("IN", this->current_operand);} |
|
1745 |
void *visit(PT_operator_c *symbol) {return XXX_CAL_operator("PT", this->current_operand);} |
|
1746 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1747 |
void *visit(AND_operator_c *symbol) { |
70 | 1748 |
if (search_expression_type->is_binary_type(this->default_variable_name.current_type) && |
1749 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1750 |
BYTE_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1751 |
XXX_operator(&(this->default_variable_name), " &= ", this->current_operand); |
70 | 1752 |
/* the data type resulting from this operation... */ |
1753 |
this->default_variable_name.current_type = this->current_operand_type; |
|
1754 |
} |
|
1755 |
else {ERROR;} |
|
1756 |
return NULL; |
|
1757 |
} |
|
1758 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1759 |
void *visit(OR_operator_c *symbol) { |
70 | 1760 |
if (search_expression_type->is_binary_type(this->default_variable_name.current_type) && |
1761 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1762 |
BYTE_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1763 |
XXX_operator(&(this->default_variable_name), " |= ", this->current_operand); |
70 | 1764 |
/* the data type resulting from this operation... */ |
1765 |
this->default_variable_name.current_type = this->current_operand_type; |
|
1766 |
} |
|
1767 |
else {ERROR;} |
|
1768 |
return NULL; |
|
1769 |
} |
|
1770 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1771 |
void *visit(XOR_operator_c *symbol) { |
70 | 1772 |
if (search_expression_type->is_binary_type(this->default_variable_name.current_type) && |
1773 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1774 |
BYTE_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1775 |
// '^' is a bit by bit exclusive OR !! Also seems to work with boolean types! |
70 | 1776 |
XXX_operator(&(this->default_variable_name), " ^= ", this->current_operand); |
1777 |
/* the data type resulting from this operation... */ |
|
1778 |
this->default_variable_name.current_type = this->current_operand_type; |
|
1779 |
} |
|
1780 |
else {ERROR;} |
|
1781 |
return NULL; |
|
1782 |
} |
|
1783 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1784 |
void *visit(ANDN_operator_c *symbol) { |
70 | 1785 |
if (search_expression_type->is_binary_type(this->default_variable_name.current_type) && |
1786 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1787 |
BYTE_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1788 |
XXX_operator(&(this->default_variable_name), |
70 | 1789 |
search_expression_type->is_bool_type(this->current_operand_type)?" &= !":" &= ~", |
1790 |
this->current_operand); |
|
1791 |
/* the data type resulting from this operation... */ |
|
1792 |
this->default_variable_name.current_type = this->current_operand_type; |
|
1793 |
} |
|
1794 |
else {ERROR;} |
|
1795 |
return NULL; |
|
1796 |
} |
|
1797 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1798 |
void *visit(ORN_operator_c *symbol) { |
70 | 1799 |
if (search_expression_type->is_binary_type(this->default_variable_name.current_type) && |
1800 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1801 |
BYTE_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1802 |
XXX_operator(&(this->default_variable_name), |
70 | 1803 |
search_expression_type->is_bool_type(this->current_operand_type)?" |= !":" |= ~", |
1804 |
this->current_operand); |
|
1805 |
/* the data type resulting from this operation... */ |
|
1806 |
this->default_variable_name.current_type = this->current_operand_type; |
|
1807 |
} |
|
1808 |
else {ERROR;} |
|
1809 |
return NULL; |
|
1810 |
} |
|
1811 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1812 |
void *visit(XORN_operator_c *symbol) { |
70 | 1813 |
if (search_expression_type->is_binary_type(this->default_variable_name.current_type) && |
1814 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1815 |
BYTE_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1816 |
XXX_operator(&(this->default_variable_name), |
70 | 1817 |
// bit by bit exclusive OR !! Also seems to work with boolean types! |
1818 |
search_expression_type->is_bool_type(this->current_operand_type)?" ^= !":" ^= ~", |
|
1819 |
this->current_operand); |
|
1820 |
/* the data type resulting from this operation... */ |
|
1821 |
this->default_variable_name.current_type = this->current_operand_type; |
|
1822 |
} |
|
1823 |
else {ERROR;} |
|
1824 |
return NULL; |
|
1825 |
} |
|
1826 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1827 |
void *visit(ADD_operator_c *symbol) { |
70 | 1828 |
if (search_expression_type->is_time_type(this->default_variable_name.current_type) && |
1829 |
search_expression_type->is_time_type(this->current_operand_type)) { |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1830 |
XXX_function("__time_add", &(this->default_variable_name), this->current_operand); |
70 | 1831 |
/* the data type resulting from this operation... */ |
1832 |
this->default_variable_name.current_type = this->current_operand_type; |
|
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1833 |
} |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1834 |
else if (search_expression_type->is_num_type(this->default_variable_name.current_type) && |
70 | 1835 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1836 |
NUM_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1837 |
XXX_operator(&(this->default_variable_name), " += ", this->current_operand); |
70 | 1838 |
/* the data type resulting from this operation... */ |
1839 |
this->default_variable_name.current_type = this->current_operand_type; |
|
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1840 |
} |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1841 |
else {ERROR;} |
70 | 1842 |
return NULL; |
1843 |
} |
|
1844 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1845 |
void *visit(SUB_operator_c *symbol) { |
70 | 1846 |
if (search_expression_type->is_time_type(this->default_variable_name.current_type) && |
1847 |
search_expression_type->is_time_type(this->current_operand_type)) { |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1848 |
XXX_function("__time_sub", &(this->default_variable_name), this->current_operand); |
70 | 1849 |
/* the data type resulting from this operation... */ |
1850 |
this->default_variable_name.current_type = this->current_operand_type; |
|
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1851 |
} |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1852 |
else if (search_expression_type->is_num_type(this->default_variable_name.current_type) && |
70 | 1853 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1854 |
NUM_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1855 |
XXX_operator(&(this->default_variable_name), " -= ", this->current_operand); |
70 | 1856 |
/* the data type resulting from this operation... */ |
1857 |
this->default_variable_name.current_type = this->current_operand_type; |
|
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1858 |
} |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1859 |
else {ERROR;} |
70 | 1860 |
return NULL; |
1861 |
} |
|
1862 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1863 |
void *visit(MUL_operator_c *symbol) { |
70 | 1864 |
if (search_expression_type->is_time_type(this->default_variable_name.current_type) && |
1865 |
search_expression_type->is_integer_type(this->current_operand_type)) { |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1866 |
XXX_function("__time_mul", &(this->default_variable_name), this->current_operand); |
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1867 |
/* the data type resulting from this operation is unchanged! */ |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
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|
1868 |
} |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1869 |
else if (search_expression_type->is_num_type(this->default_variable_name.current_type) && |
70 | 1870 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1871 |
NUM_operator_result_type(); |
70 | 1872 |
XXX_operator(&(this->default_variable_name), " *= ", this->current_operand); |
1873 |
/* the data type resulting from this operation... */ |
|
1874 |
this->default_variable_name.current_type = this->current_operand_type; |
|
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1875 |
} |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1876 |
else {ERROR;} |
70 | 1877 |
return NULL; |
1878 |
} |
|
1879 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1880 |
void *visit(DIV_operator_c *symbol) { |
149 | 1881 |
if (search_expression_type->is_time_type(this->default_variable_name.current_type) && |
1882 |
search_expression_type->is_integer_type(this->current_operand_type)) { |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
1883 |
XXX_function("__time_div", &(this->default_variable_name), this->current_operand); |
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1884 |
/* the data type resulting from this operation is unchanged! */ |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1885 |
} |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1886 |
else if (search_expression_type->is_num_type(this->default_variable_name.current_type) && |
70 | 1887 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1888 |
NUM_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1889 |
XXX_operator(&(this->default_variable_name), " /= ", this->current_operand); |
70 | 1890 |
/* the data type resulting from this operation... */ |
1891 |
this->default_variable_name.current_type = this->current_operand_type; |
|
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1892 |
return NULL; |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1893 |
} |
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1894 |
else {ERROR;} |
70 | 1895 |
return NULL; |
1896 |
} |
|
1897 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1898 |
void *visit(MOD_operator_c *symbol) { |
70 | 1899 |
if (search_expression_type->is_num_type(this->default_variable_name.current_type) && |
1900 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1901 |
NUM_operator_result_type(); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1902 |
XXX_operator(&(this->default_variable_name), " %= ", this->current_operand); |
70 | 1903 |
/* the data type resulting from this operation... */ |
1904 |
this->default_variable_name.current_type = this->current_operand_type; |
|
1905 |
} |
|
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1906 |
else {ERROR;} |
70 | 1907 |
return NULL; |
1908 |
} |
|
1909 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1910 |
void *visit(GT_operator_c *symbol) { |
123 | 1911 |
if (!search_base_type.type_is_enumerated(this->default_variable_name.current_type) && |
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1912 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
355 | 1913 |
CMP_operator(this->current_operand, "GT_"); |
1914 |
} else { |
|
1915 |
ERROR; |
|
1916 |
} |
|
123 | 1917 |
return NULL; |
70 | 1918 |
} |
1919 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1920 |
void *visit(GE_operator_c *symbol) { |
123 | 1921 |
if (!search_base_type.type_is_enumerated(this->default_variable_name.current_type) && |
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1922 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
355 | 1923 |
CMP_operator(this->current_operand, "GE_"); |
1924 |
} else { |
|
1925 |
ERROR; |
|
1926 |
} |
|
123 | 1927 |
return NULL; |
70 | 1928 |
} |
1929 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1930 |
void *visit(EQ_operator_c *symbol) { |
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1931 |
if (search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
355 | 1932 |
CMP_operator(this->current_operand, "EQ_"); |
1933 |
} else { |
|
1934 |
ERROR; |
|
1935 |
} |
|
123 | 1936 |
return NULL; |
70 | 1937 |
} |
1938 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1939 |
void *visit(LT_operator_c *symbol) { |
123 | 1940 |
if (!search_base_type.type_is_enumerated(this->default_variable_name.current_type) && |
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1941 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
355 | 1942 |
CMP_operator(this->current_operand, "LT_"); |
1943 |
} else { |
|
1944 |
ERROR; |
|
1945 |
} |
|
123 | 1946 |
return NULL; |
70 | 1947 |
} |
1948 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1949 |
void *visit(LE_operator_c *symbol) { |
123 | 1950 |
if (!search_base_type.type_is_enumerated(this->default_variable_name.current_type) && |
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1951 |
search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
355 | 1952 |
CMP_operator(this->current_operand, "LE_"); |
1953 |
} else { |
|
1954 |
ERROR; |
|
1955 |
} |
|
123 | 1956 |
return NULL; |
70 | 1957 |
} |
1958 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
1959 |
void *visit(NE_operator_c *symbol) { |
345
894c0e6d951c
Fix bug with DIV and MOD operator in IL code generator
laurent
parents:
344
diff
changeset
|
1960 |
if (search_expression_type->is_same_type(this->default_variable_name.current_type, this->current_operand_type)) { |
355 | 1961 |
CMP_operator(this->current_operand, "NE_"); |
1962 |
} else { |
|
1963 |
ERROR; |
|
1964 |
} |
|
123 | 1965 |
return NULL; |
70 | 1966 |
} |
1967 |
||
1968 |
||
1969 |
//SYM_REF0(CAL_operator_c) |
|
1970 |
// This method will be called from within the il_fb_call_c visitor method |
|
1971 |
void *visit(CAL_operator_c *symbol) {return NULL;} |
|
1972 |
||
1973 |
//SYM_REF0(CALC_operator_c) |
|
1974 |
// This method will be called from within the il_fb_call_c visitor method |
|
1975 |
void *visit(CALC_operator_c *symbol) {C_modifier(); return NULL;} |
|
1976 |
||
1977 |
//SYM_REF0(CALCN_operator_c) |
|
1978 |
// This method will be called from within the il_fb_call_c visitor method |
|
1979 |
void *visit(CALCN_operator_c *symbol) {CN_modifier(); return NULL;} |
|
1980 |
||
1981 |
/* NOTE: The semantics of the RET operator requires us to return a value |
|
1982 |
* if the IL code is inside a function, but simply return no value if |
|
1983 |
* the IL code is inside a function block or program! |
|
1984 |
* Nevertheless, it is the generate_c_c class itself that |
|
1985 |
* introduces the 'reaturn <value>' into the c++ code at the end |
|
1986 |
* of every function. This class does not know whether the IL code |
|
1987 |
* is inside a function or a function block. |
|
1988 |
* We work around this by jumping to the end of the code, |
|
1989 |
* that will be marked by the END_LABEL label in the |
|
1990 |
* instruction_list_c visitor... |
|
1991 |
*/ |
|
1992 |
// SYM_REF0(RET_operator_c) |
|
1993 |
void *visit(RET_operator_c *symbol) { |
|
1994 |
s4o.print("goto ");s4o.print(END_LABEL); |
|
1995 |
return NULL; |
|
1996 |
} |
|
1997 |
||
1998 |
// SYM_REF0(RETC_operator_c) |
|
1999 |
void *visit(RETC_operator_c *symbol) { |
|
2000 |
C_modifier(); |
|
2001 |
s4o.print("goto ");s4o.print(END_LABEL); |
|
2002 |
return NULL; |
|
2003 |
} |
|
2004 |
||
2005 |
// SYM_REF0(RETCN_operator_c) |
|
2006 |
void *visit(RETCN_operator_c *symbol) { |
|
2007 |
CN_modifier(); |
|
2008 |
s4o.print("goto ");s4o.print(END_LABEL); |
|
2009 |
return NULL; |
|
2010 |
} |
|
2011 |
||
2012 |
//SYM_REF0(JMP_operator_c) |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
2013 |
void *visit(JMP_operator_c *symbol) { |
70 | 2014 |
if (NULL == this->jump_label) ERROR; |
2015 |
||
2016 |
s4o.print("goto "); |
|
2017 |
this->jump_label->accept(*this); |
|
2018 |
/* the data type resulting from this operation is unchanged! */ |
|
2019 |
return NULL; |
|
2020 |
} |
|
2021 |
||
2022 |
// SYM_REF0(JMPC_operator_c) |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
2023 |
void *visit(JMPC_operator_c *symbol) { |
70 | 2024 |
if (NULL == this->jump_label) ERROR; |
2025 |
||
2026 |
C_modifier(); |
|
2027 |
s4o.print("goto "); |
|
2028 |
this->jump_label->accept(*this); |
|
2029 |
/* the data type resulting from this operation is unchanged! */ |
|
2030 |
return NULL; |
|
2031 |
} |
|
2032 |
||
2033 |
// SYM_REF0(JMPCN_operator_c) |
|
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
2034 |
void *visit(JMPCN_operator_c *symbol) { |
70 | 2035 |
if (NULL == this->jump_label) ERROR; |
2036 |
||
2037 |
CN_modifier(); |
|
2038 |
s4o.print("goto "); |
|
2039 |
this->jump_label->accept(*this); |
|
2040 |
/* the data type resulting from this operation is unchanged! */ |
|
2041 |
return NULL; |
|
2042 |
} |
|
2043 |
||
2044 |
#if 0 |
|
2045 |
/*| [NOT] any_identifier SENDTO */ |
|
2046 |
SYM_REF2(il_assign_out_operator_c, option, variable_name) |
|
2047 |
#endif |
|
2048 |
||
2049 |
}; /* generate_c_il_c */ |
|
2050 |
||
2051 |
||
2052 |
||
2053 |
||
2054 |
||
2055 |
||
2056 |
||
2057 |
||
2058 |
||
2059 |
/* The implementation of the single visit() member function |
|
2060 |
* of il_default_variable_c. |
|
2061 |
* It can only come after the full declaration of |
|
2062 |
* generate_c_il_c. Since we define and declare |
|
2063 |
* generate_c_il_c simultaneously, it can only come |
|
2064 |
* after the definition... |
|
2065 |
*/ |
|
2066 |
void *il_default_variable_c::accept(visitor_c &visitor) { |
|
2067 |
/* An ugly hack!! */ |
|
2068 |
/* This is required because we need to over-ride the base |
|
2069 |
* accept(visitor_c &) method of the class symbol_c, |
|
2070 |
* so this method may be called through a symbol_c * |
|
2071 |
* reference! |
|
2072 |
* |
|
2073 |
* But, the visitor_c does not include a visitor to |
|
2074 |
* an il_default_variable_c, which means that we couldn't |
|
2075 |
* simply call visitor.visit(this); |
|
2076 |
* |
|
2077 |
* We therefore need to use the dynamic_cast hack!! |
|
2078 |
* |
|
2079 |
* Note too that we can't cast a visitor_c to a |
|
2080 |
* il_default_variable_visitor_c, since they are not related. |
|
2081 |
* Nor may the il_default_variable_visitor_c inherit from |
|
2082 |
* visitor_c, because then generate_c_il_c would contain |
|
2083 |
* two visitor_c base classes, one each through |
|
2084 |
* il_default_variable_visitor_c and generate_c_type_c |
|
2085 |
* |
|
2086 |
* We could use virtual inheritance of the visitor_c, but it |
|
2087 |
* would probably create more problems than it is worth! |
|
2088 |
*/ |
|
2089 |
generate_c_il_c *v; |
|
2090 |
v = dynamic_cast<generate_c_il_c *>(&visitor); |
|
2091 |
if (v == NULL) ERROR; |
|
2092 |
||
2093 |
return v->visit(this); |
|
2094 |
} |
|
2095 |
||
2096 |
||
2097 |
||
2098 |
||
2099 |
il_default_variable_c::il_default_variable_c(const char *var_name_str, symbol_c *current_type) { |
|
2100 |
if (NULL == var_name_str) ERROR; |
|
2101 |
/* Note: current_type may start off with NULL */ |
|
2102 |
||
2103 |
this->var_name = new identifier_c(var_name_str); |
|
2104 |
if (NULL == this->var_name) ERROR; |
|
2105 |
||
2106 |
this->current_type = current_type; |
|
2107 |
} |