author | Edouard Tisserant |
Tue, 14 Dec 2021 08:48:05 +0100 | |
changeset 1096 | fad6e7a818e2 |
parent 1024 | df3e2792fd58 |
permissions | -rw-r--r-- |
219 | 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) 2003-2012 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 |
|
22 |
* used in safety-critical situations without a full and competent review. |
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*/ |
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#define INLINE_RESULT_TEMP_VAR "__res" |
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#define INLINE_PARAM_COUNT "__PARAM_COUNT" |
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class generate_c_inlinefcall_c: public generate_c_base_and_typeid_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_suffix_vg |
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} variablegeneration_t; |
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private: |
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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 |
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* parenthesised instruction list to the immediately preceding |
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* scope ... |
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*/ |
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#define IL_DEFVAR_BACK VAR_LEADER "IL_DEFVAR_BACK" |
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il_default_variable_c implicit_variable_current; |
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|
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symbol_c* current_array_type; |
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|
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int fcall_number; |
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bool generating_inlinefunction; |
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symbol_c *fbname; |
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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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variablegeneration_t wanted_variablegeneration; |
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|
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public: |
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generate_c_inlinefcall_c(stage4out_c *s4o_ptr, symbol_c *name, symbol_c *scope, const char *variable_prefix = NULL) |
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: generate_c_base_and_typeid_c(s4o_ptr), |
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implicit_variable_current(IL_DEFVAR, NULL) |
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{ |
66 |
search_varfb_instance_type = new search_varfb_instance_type_c(scope); |
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search_var_instance_decl = new search_var_instance_decl_c (scope); |
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this->set_variable_prefix(variable_prefix); |
70 |
fcall_number = 0; |
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fbname = name; |
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wanted_variablegeneration = expression_vg; |
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generating_inlinefunction = false; |
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} |
75 |
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virtual ~generate_c_inlinefcall_c(void) { |
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delete search_varfb_instance_type; |
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delete search_var_instance_decl; |
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} |
80 |
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void print(symbol_c* symbol) { |
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function_call_iterator_c fc_iterator(symbol); |
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symbol_c* function_call; |
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while ((function_call = fc_iterator.next()) != NULL) { |
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function_call->accept(*this); |
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} |
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} |
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88 |
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89 |
|
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90 |
|
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void generate_inline(symbol_c *function_name, |
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symbol_c *function_type_prefix, |
93 |
symbol_c *function_type_suffix, |
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std::list<FUNCTION_PARAM*> param_list, |
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function_declaration_c *f_decl = NULL) { |
388
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Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
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96 |
|
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
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std::list<FUNCTION_PARAM*>::iterator pt; |
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98 |
generating_inlinefunction = true; |
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100 |
fcall_number++; |
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101 |
function_type_prefix = default_literal_type(function_type_prefix); |
336 | 102 |
if (function_type_suffix) { |
670
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function_type_suffix = default_literal_type(function_type_suffix); |
332
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Fix bug in inline function calls when using function with undetermined type interface with literals as input
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} |
219 | 105 |
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106 |
s4o.print(s4o.indent_spaces); |
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make autogenerated functions to be 'static inline' instead of 'inline'
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107 |
s4o.print("static inline "); |
235 | 108 |
function_type_prefix->accept(*this); |
219 | 109 |
s4o.print(" __"); |
110 |
fbname->accept(*this); |
|
111 |
s4o.print("_"); |
|
112 |
function_name->accept(*this); |
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113 |
if (f_decl != NULL) { |
383
0b81b59f333b
Fix bug generate_c_inlinefcall in inline function name generated
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114 |
/* function being called is overloaded! */ |
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Fix bug generate_c_inlinefcall in inline function name generated
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115 |
s4o.print("__"); |
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6381589697ff
Fix bug with overloaded function due to literal input values
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116 |
print_function_parameter_data_types_c overloaded_func_suf(&s4o); |
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117 |
f_decl->accept(overloaded_func_suf); |
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Adding support for declaring function block instances as global and external variables
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118 |
} |
336 | 119 |
if (function_type_suffix) { |
350
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120 |
function_type_suffix->accept(*this); |
336 | 121 |
} |
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c8092e909886
Clean up code (remove parsing of integers in stage 4).
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122 |
s4o.print(fcall_number); |
219 | 123 |
s4o.print("("); |
124 |
s4o.indent_right(); |
|
125 |
||
126 |
PARAM_LIST_ITERATOR() { |
|
127 |
if (PARAM_DIRECTION == function_param_iterator_c::direction_in) { |
|
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parents:
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128 |
default_literal_type(PARAM_TYPE)->accept(*this); |
219 | 129 |
s4o.print(" "); |
130 |
PARAM_NAME->accept(*this); |
|
131 |
s4o.print(",\n" + s4o.indent_spaces); |
|
132 |
} |
|
133 |
} |
|
134 |
fbname->accept(*this); |
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350
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135 |
s4o.print(" *"); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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136 |
s4o.print(FB_FUNCTION_PARAM); |
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137 |
s4o.indent_left(); |
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138 |
s4o.print(")\n" + s4o.indent_spaces); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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139 |
s4o.print("{\n"); |
219 | 140 |
s4o.indent_right(); |
141 |
||
142 |
s4o.print(s4o.indent_spaces); |
|
235 | 143 |
function_type_prefix->accept(*this); |
219 | 144 |
s4o.print(" "), |
145 |
s4o.print(INLINE_RESULT_TEMP_VAR); |
|
146 |
s4o.print(";\n"); |
|
147 |
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148 |
PARAM_LIST_ITERATOR() { |
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149 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
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150 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
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151 |
PARAM_VALUE != NULL) { |
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Support for semantic verification of calls to standard functions.
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152 |
s4o.print(s4o.indent_spaces); |
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Support for semantic verification of calls to standard functions.
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153 |
PARAM_TYPE->accept(*this); |
219 | 154 |
s4o.print(" "); |
155 |
s4o.print(TEMP_VAR); |
|
156 |
PARAM_NAME->accept(*this); |
|
157 |
s4o.print(" = "); |
|
158 |
print_check_function(PARAM_TYPE, PARAM_VALUE); |
|
159 |
s4o.print(";\n"); |
|
350
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160 |
} |
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Support for semantic verification of calls to standard functions.
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161 |
} |
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Support for semantic verification of calls to standard functions.
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parents:
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162 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
163 |
s4o.print(s4o.indent_spaces + INLINE_RESULT_TEMP_VAR), |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
164 |
s4o.print(" = "); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
165 |
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
|
166 |
if (f_decl != NULL) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
167 |
/* function being called is overloaded! */ |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
168 |
s4o.print("__"); |
406
6381589697ff
Fix bug with overloaded function due to literal input values
laurent
parents:
399
diff
changeset
|
169 |
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
|
170 |
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
|
171 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
172 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
173 |
if (function_type_suffix) |
235 | 174 |
function_type_suffix->accept(*this); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
175 |
s4o.print("("); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
176 |
s4o.indent_right(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
177 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
178 |
PARAM_LIST_ITERATOR() { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
179 |
if (pt != param_list.begin()) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
180 |
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
|
181 |
if (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
|
182 |
PARAM_NAME->accept(*this); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
183 |
else if (PARAM_VALUE != NULL){ |
219 | 184 |
s4o.print("&"); |
185 |
s4o.print(TEMP_VAR); |
|
186 |
PARAM_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
|
187 |
} else { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
188 |
s4o.print("NULL"); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
189 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
190 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
191 |
s4o.print(");\n"); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
192 |
s4o.indent_left(); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
193 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
194 |
PARAM_LIST_ITERATOR() { |
219 | 195 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
196 |
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
|
197 |
PARAM_VALUE != NULL) { |
219 | 198 |
s4o.print(s4o.indent_spaces); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
199 |
print_setter(PARAM_VALUE, PARAM_TYPE, PARAM_NAME); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
200 |
s4o.print(";\n"); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
201 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
202 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
203 |
s4o.print(s4o.indent_spaces + "return "); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
204 |
s4o.print(INLINE_RESULT_TEMP_VAR); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
205 |
s4o.print(";\n"); |
219 | 206 |
|
207 |
s4o.indent_left(); |
|
208 |
s4o.print(s4o.indent_spaces + "}\n\n"); |
|
388
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
209 |
|
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
210 |
generating_inlinefunction = false; |
219 | 211 |
} |
212 |
||
213 |
private: |
|
670
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
214 |
/* a small helper function */ |
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
215 |
symbol_c *default_literal_type(symbol_c *symbol) { |
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
216 |
if (get_datatype_info_c::is_ANY_INT_literal(symbol)) { |
693
51a2fa6441b9
Prepare to delete search_constant_type_c -> Move the static variables from search_constant_type_c to get_datatype_info_c
Mario de Sousa <msousa@fe.up.pt>
parents:
690
diff
changeset
|
217 |
return &get_datatype_info_c::lint_type_name; |
670
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
218 |
} |
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
219 |
else if (get_datatype_info_c::is_ANY_REAL_literal(symbol)) { |
693
51a2fa6441b9
Prepare to delete search_constant_type_c -> Move the static variables from search_constant_type_c to get_datatype_info_c
Mario de Sousa <msousa@fe.up.pt>
parents:
690
diff
changeset
|
220 |
return &get_datatype_info_c::lreal_type_name; |
670
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
221 |
} |
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
222 |
return symbol; |
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
223 |
} |
219 | 224 |
|
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
225 |
|
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
226 |
|
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
227 |
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:
500
diff
changeset
|
228 |
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
|
229 |
if (vartype == search_var_instance_decl_c::external_vt) { |
854
13d0b67de111
Code cleanup: move datatype analysis to get_datatype_info_c
Mario de Sousa <msousa@fe.up.pt>
parents:
852
diff
changeset
|
230 |
if (!get_datatype_info_c::is_type_valid (symbol->datatype)) ERROR; |
13d0b67de111
Code cleanup: move datatype analysis to get_datatype_info_c
Mario de Sousa <msousa@fe.up.pt>
parents:
852
diff
changeset
|
231 |
if ( get_datatype_info_c::is_function_block(symbol->datatype)) |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
232 |
s4o.print(GET_EXTERNAL_FB); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
233 |
else |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
234 |
s4o.print(GET_EXTERNAL); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
235 |
} |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
236 |
else if (vartype == search_var_instance_decl_c::located_vt) |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
237 |
s4o.print(GET_LOCATED); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
238 |
else |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
239 |
s4o.print(GET_VAR); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
240 |
s4o.print("("); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
241 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
242 |
wanted_variablegeneration = complextype_base_vg; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
243 |
symbol->accept(*this); |
851
2c59c2b8fca4
Fix bug/issue #33 (correctly access struct/array variables declared inside a FB -> r:=FB1.FB2.struct1.array1[3] )
Mario de Sousa <msousa@fe.up.pt>
parents:
844
diff
changeset
|
244 |
s4o.print(","); |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
245 |
wanted_variablegeneration = complextype_suffix_vg; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
246 |
symbol->accept(*this); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
247 |
s4o.print(")"); |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
248 |
wanted_variablegeneration = expression_vg; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
249 |
return NULL; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
250 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
251 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
252 |
void *print_setter(symbol_c* symbol, |
670
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
253 |
symbol_c* type, |
400bf52a2691
Deprecate use of search_expression_type_c (prepare for complete removal!).
Mario de Sousa <msousa@fe.up.pt>
parents:
667
diff
changeset
|
254 |
symbol_c* value) { |
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:
500
diff
changeset
|
255 |
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
|
256 |
if (vartype == search_var_instance_decl_c::external_vt) { |
854
13d0b67de111
Code cleanup: move datatype analysis to get_datatype_info_c
Mario de Sousa <msousa@fe.up.pt>
parents:
852
diff
changeset
|
257 |
if (!get_datatype_info_c::is_type_valid (symbol->datatype)) ERROR; |
13d0b67de111
Code cleanup: move datatype analysis to get_datatype_info_c
Mario de Sousa <msousa@fe.up.pt>
parents:
852
diff
changeset
|
258 |
if ( get_datatype_info_c::is_function_block(symbol->datatype)) |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
259 |
s4o.print(SET_EXTERNAL_FB); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
260 |
else |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
261 |
s4o.print(SET_EXTERNAL); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
262 |
} |
392
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
388
diff
changeset
|
263 |
else if (vartype == search_var_instance_decl_c::located_vt) |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
388
diff
changeset
|
264 |
s4o.print(SET_LOCATED); |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
388
diff
changeset
|
265 |
else |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
388
diff
changeset
|
266 |
s4o.print(SET_VAR); |
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
388
diff
changeset
|
267 |
s4o.print("(,"); |
885
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
268 |
wanted_variablegeneration = complextype_base_vg; |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
269 |
symbol->accept(*this); |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
270 |
s4o.print(","); |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
271 |
if (analyse_variable_c::contains_complex_type(symbol)) { |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
272 |
wanted_variablegeneration = complextype_suffix_vg; |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
273 |
symbol->accept(*this); |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
274 |
} |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
275 |
s4o.print(","); |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
276 |
wanted_variablegeneration = expression_vg; |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
277 |
print_check_function(type, value, NULL, true); |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
278 |
s4o.print(")"); |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
279 |
wanted_variablegeneration = expression_vg; |
b2604fc6d25c
Change order of SET_xxx() macros. (this will allow me to simplify the print_setter() methods later on)
mjsousa
parents:
874
diff
changeset
|
280 |
return NULL; |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
281 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
282 |
|
1018
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
283 |
/********************/ |
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
284 |
/* 2.1.6 - Pragmas */ |
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
285 |
/********************/ |
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
286 |
//SYM_REF0(disable_code_generation_pragma_c) |
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
287 |
//SYM_REF0(enable_code_generation_pragma_c) |
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
288 |
//SYM_TOKEN(pragma_c) |
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
289 |
void *visit(pragma_c *symbol) {return NULL;} |
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
290 |
|
49c4edf76e63
Ignore pragmas inside IL code when handling inline function calls.
mjsousa
parents:
1012
diff
changeset
|
291 |
|
1002
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
292 |
/*************************/ |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
293 |
/* B.1 - Common elements */ |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
294 |
/*************************/ |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
295 |
/*******************************************/ |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
296 |
/* B 1.1 - Letters, digits and identifiers */ |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
297 |
/*******************************************/ |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
298 |
void *visit(identifier_c *symbol) { |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
299 |
if (generating_inlinefunction) { |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
300 |
return generate_c_base_c::visit(symbol); // let the base class handle it... |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
301 |
} |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
302 |
return NULL; |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
303 |
} |
45bd3e90ecec
Fix FB calls in IL (FB variable name was showing up extraneously before the C function that initializes the POU containing the FB call)
mjsousa
parents:
1001
diff
changeset
|
304 |
|
219 | 305 |
/*********************/ |
306 |
/* B 1.4 - Variables */ |
|
307 |
/*********************/ |
|
308 |
void *visit(symbolic_variable_c *symbol) { |
|
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
309 |
unsigned int vartype; |
388
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
310 |
if (generating_inlinefunction) { |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
311 |
if (wanted_variablegeneration == complextype_base_vg) |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
312 |
generate_c_base_c::visit(symbol); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
313 |
else if (wanted_variablegeneration == complextype_suffix_vg) |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
314 |
return NULL; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
315 |
else |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
316 |
print_getter(symbol); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
317 |
} |
219 | 318 |
return NULL; |
319 |
} |
|
320 |
||
321 |
/********************************************/ |
|
322 |
/* B.1.4.1 Directly Represented Variables */ |
|
323 |
/********************************************/ |
|
324 |
// direct_variable: direct_variable_token {$$ = new direct_variable_c($1);}; |
|
325 |
void *visit(direct_variable_c *symbol) { |
|
326 |
TRACE("direct_variable_c"); |
|
388
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
327 |
if (generating_inlinefunction) { |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
328 |
/* Do not use print_token() as it will change everything into uppercase */ |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
329 |
if (strlen(symbol->value) == 0) ERROR; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
330 |
s4o.print(GET_LOCATED); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
331 |
s4o.print("("); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
332 |
this->print_variable_prefix(); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
333 |
s4o.printlocation(symbol->value + 1); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
334 |
s4o.print(")"); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
335 |
} |
219 | 336 |
return NULL; |
337 |
} |
|
338 |
||
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
339 |
/*************************************/ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
340 |
/* B.1.4.2 Multi-element Variables */ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
341 |
/*************************************/ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
342 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
343 |
// SYM_REF2(structured_variable_c, record_variable, field_selector) |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
344 |
void *visit(structured_variable_c *symbol) { |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
345 |
TRACE("structured_variable_c"); |
854
13d0b67de111
Code cleanup: move datatype analysis to get_datatype_info_c
Mario de Sousa <msousa@fe.up.pt>
parents:
852
diff
changeset
|
346 |
bool type_is_complex = analyse_variable_c::is_complex_type(symbol->record_variable); |
388
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
347 |
if (generating_inlinefunction) { |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
348 |
switch (wanted_variablegeneration) { |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
349 |
case complextype_base_vg: |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
350 |
symbol->record_variable->accept(*this); |
410
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
408
diff
changeset
|
351 |
if (!type_is_complex) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
352 |
s4o.print("."); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
353 |
symbol->field_selector->accept(*this); |
410
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
408
diff
changeset
|
354 |
} |
388
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
355 |
break; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
356 |
case complextype_suffix_vg: |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
357 |
symbol->record_variable->accept(*this); |
410
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
408
diff
changeset
|
358 |
if (type_is_complex) { |
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
408
diff
changeset
|
359 |
s4o.print("."); |
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
408
diff
changeset
|
360 |
symbol->field_selector->accept(*this); |
c6486bd97392
Fix bug while using complex type variables in Function and FunctionBlock interface
Laurent Bessard
parents:
408
diff
changeset
|
361 |
} |
388
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
362 |
break; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
363 |
default: |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
364 |
print_getter(symbol); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
365 |
break; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
366 |
} |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
367 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
368 |
return NULL; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
369 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
370 |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
371 |
/* subscripted_variable '[' subscript_list ']' */ |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
372 |
//SYM_REF2(array_variable_c, subscripted_variable, subscript_list) |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
373 |
void *visit(array_variable_c *symbol) { |
388
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
374 |
if (generating_inlinefunction) { |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
375 |
switch (wanted_variablegeneration) { |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
376 |
case complextype_base_vg: |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
377 |
symbol->subscripted_variable->accept(*this); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
378 |
break; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
379 |
case complextype_suffix_vg: |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
380 |
symbol->subscripted_variable->accept(*this); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
381 |
|
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
382 |
current_array_type = search_varfb_instance_type->get_type_id(symbol->subscripted_variable); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
383 |
if (current_array_type == NULL) ERROR; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
384 |
|
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
385 |
s4o.print(".table"); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
386 |
symbol->subscript_list->accept(*this); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
387 |
|
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
388 |
current_array_type = NULL; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
389 |
break; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
390 |
default: |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
391 |
print_getter(symbol); |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
392 |
break; |
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
393 |
} |
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
394 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
395 |
return NULL; |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
396 |
} |
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
397 |
|
219 | 398 |
/****************************************/ |
399 |
/* B.2 - Language IL (Instruction List) */ |
|
400 |
/****************************************/ |
|
401 |
||
402 |
/***********************************/ |
|
403 |
/* B 2.1 Instructions and Operands */ |
|
404 |
/***********************************/ |
|
405 |
||
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
406 |
/* | label ':' [il_incomplete_instruction] eol_list */ |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
407 |
// SYM_REF2(il_instruction_c, label, il_instruction) |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
408 |
void *visit(il_instruction_c *symbol) { |
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
409 |
/* all previous IL instructions should have the same datatype (checked in stage3), so we get the datatype from the first previous IL instruction we find */ |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
410 |
implicit_variable_current.datatype = (symbol->prev_il_instruction.empty())? NULL : symbol->prev_il_instruction[0]->datatype; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
411 |
if (NULL != symbol->il_instruction) symbol->il_instruction->accept(*this); |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
412 |
implicit_variable_current.datatype = NULL; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
413 |
return NULL; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
414 |
} |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
415 |
|
392
9b88b8b6bccd
Fixing generated code for global variables. Adding support for defining global variables with complex type
laurent
parents:
388
diff
changeset
|
416 |
|
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
417 |
/* | il_simple_operator [il_operand] */ |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
418 |
//SYM_REF2(il_simple_operation_c, il_simple_operator, il_operand) |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
419 |
void *visit(il_simple_operation_c *symbol) { |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
420 |
symbol->il_simple_operator->accept(*this); |
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
421 |
return NULL; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
422 |
} |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
423 |
|
874
b8fa360b376d
Fix bug: do not print IL 'label' when generating inline functions (JMPxx label was generating erroneous C code)
mjsousa
parents:
861
diff
changeset
|
424 |
/* il_jump_operator label */ |
b8fa360b376d
Fix bug: do not print IL 'label' when generating inline functions (JMPxx label was generating erroneous C code)
mjsousa
parents:
861
diff
changeset
|
425 |
// SYM_REF2(il_jump_operation_c, il_jump_operator, label) |
b8fa360b376d
Fix bug: do not print IL 'label' when generating inline functions (JMPxx label was generating erroneous C code)
mjsousa
parents:
861
diff
changeset
|
426 |
void *visit(il_jump_operation_c *symbol) { |
b8fa360b376d
Fix bug: do not print IL 'label' when generating inline functions (JMPxx label was generating erroneous C code)
mjsousa
parents:
861
diff
changeset
|
427 |
return NULL; |
b8fa360b376d
Fix bug: do not print IL 'label' when generating inline functions (JMPxx label was generating erroneous C code)
mjsousa
parents:
861
diff
changeset
|
428 |
} |
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
429 |
|
219 | 430 |
void *visit(il_function_call_c *symbol) { |
235 | 431 |
symbol_c* function_type_prefix = NULL; |
350
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Support for semantic verification of calls to standard functions.
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|
432 |
symbol_c* function_name = NULL; |
235 | 433 |
symbol_c* function_type_suffix = NULL; |
434 |
DECLARE_PARAM_LIST() |
|
435 |
||
436 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
|
437 |
||
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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|
438 |
function_declaration_c *f_decl = (function_declaration_c *)symbol->called_function_declaration; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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changeset
|
439 |
if (f_decl == NULL) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
440 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
336
diff
changeset
|
441 |
/* determine the base data type returned by the function being called... */ |
718
a9f8cc778444
Make search_base_type_c a singleton!
Mario de Sousa <msousa@fe.up.pt>
parents:
693
diff
changeset
|
442 |
function_type_prefix = search_base_type_c::get_basetype_decl(f_decl->type_name); |
350
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Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
443 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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changeset
|
444 |
function_name = symbol->function_name; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
445 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
446 |
/* loop through each function parameter, find the value we should pass |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
447 |
* to it, and then output the c equivalent... |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
336
diff
changeset
|
448 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
336
diff
changeset
|
449 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
336
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changeset
|
450 |
function_param_iterator_c fp_iterator(f_decl); |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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changeset
|
451 |
identifier_c *param_name; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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changeset
|
452 |
/* 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.
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parents:
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diff
changeset
|
453 |
bool used_defvar = false; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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changeset
|
454 |
/* 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.
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changeset
|
455 |
bool found_first_extensible_parameter = false; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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changeset
|
456 |
for(int i = 1; (param_name = fp_iterator.next()) != NULL; i++) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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changeset
|
457 |
if (fp_iterator.is_extensible_param() && (!found_first_extensible_parameter)) { |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
458 |
/* We are calling an extensible function. Before passing the extensible |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
459 |
* parameters, we must add a dummy paramater value to tell the called |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
460 |
* function how many extensible parameters we will be passing. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
461 |
* |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
462 |
* Note that stage 3 has already determined the number of extensible |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
463 |
* paramters, and stored that info in the abstract syntax tree. We simply |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
464 |
* re-use that value. |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
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diff
changeset
|
465 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
336
diff
changeset
|
466 |
/* 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.
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parents:
336
diff
changeset
|
467 |
* 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
|
468 |
* 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
|
469 |
* 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
|
470 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
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parents:
336
diff
changeset
|
471 |
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
|
472 |
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
|
473 |
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
|
474 |
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
|
475 |
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
|
476 |
uint_type_name_c *param_type = new uint_type_name_c(); |
380
b78e59ed4269
Fix bug in generate_c_inlinefcall.cc that prevent to use extendible standard functions
laurent
parents:
355
diff
changeset
|
477 |
identifier_c *param_name = new identifier_c(INLINE_PARAM_COUNT); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
478 |
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
|
479 |
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
|
480 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
481 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
482 |
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
|
483 |
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
|
484 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
485 |
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
|
486 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
487 |
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
|
488 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
489 |
/* 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
|
490 |
/* 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
|
491 |
* 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
|
492 |
* 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
|
493 |
* 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
|
494 |
* 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
|
495 |
* the following line... |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
496 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
497 |
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
|
498 |
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
|
499 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
500 |
/* 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
|
501 |
* 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
|
502 |
* 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
|
503 |
* |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
504 |
* 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
|
505 |
* 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
|
506 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
507 |
if ((param_value == NULL) && (!used_defvar) && !fp_iterator.is_en_eno_param_implicit()) { |
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
508 |
if (NULL == implicit_variable_current.datatype) ERROR; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
509 |
param_value = &this->implicit_variable_current; |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
510 |
used_defvar = true; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
511 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
512 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
513 |
/* 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
|
514 |
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
|
515 |
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
|
516 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
517 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
518 |
/* 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
|
519 |
* 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
|
520 |
* 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
|
521 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
522 |
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
|
523 |
break; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
524 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
525 |
|
844
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
526 |
/* We do not yet support embedded IL lists, so we abort the compiler if we find one */ |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
527 |
/* Note that in IL function calls the syntax does not allow embeded IL lists, so this check is not necessary here! */ |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
528 |
/* |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
529 |
{simple_instr_list_c *instruction_list = dynamic_cast<simple_instr_list_c *>(param_value); |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
530 |
if (NULL != instruction_list) STAGE4_ERROR(param_value, param_value, "The compiler does not yet support formal invocations in IL that contain embedded IL lists. Aborting!"); |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
531 |
} |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
532 |
*/ |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
533 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
534 |
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
|
535 |
/* 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
|
536 |
/* 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
|
537 |
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
|
538 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
539 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
540 |
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
|
541 |
} /* for(...) */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
542 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
543 |
if (function_call_param_iterator.next_nf() != NULL) ERROR; |
235 | 544 |
if (NULL == function_type_prefix) ERROR; |
545 |
||
546 |
bool has_output_params = false; |
|
547 |
||
548 |
PARAM_LIST_ITERATOR() { |
|
549 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
|
550 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
|
551 |
PARAM_VALUE != NULL) { |
|
552 |
has_output_params = true; |
|
553 |
} |
|
554 |
} |
|
555 |
||
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
556 |
/* Check whether we are calling an overloaded function! */ |
721
5dc33058e041
Fix counting bug in dsymbtable_c
Mario de Sousa <msousa@fe.up.pt>
parents:
718
diff
changeset
|
557 |
/* (fdecl_mutiplicity > 1) => calling overloaded function */ |
5dc33058e041
Fix counting bug in dsymbtable_c
Mario de Sousa <msousa@fe.up.pt>
parents:
718
diff
changeset
|
558 |
int fdecl_mutiplicity = function_symtable.count(symbol->function_name); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
559 |
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
|
560 |
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
|
561 |
/* 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
|
562 |
f_decl = NULL; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
563 |
|
235 | 564 |
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
|
565 |
generate_inline(function_name, function_type_prefix, function_type_suffix, param_list, f_decl); |
235 | 566 |
|
567 |
CLEAR_PARAM_LIST() |
|
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
568 |
return NULL; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
569 |
} |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
570 |
|
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
571 |
|
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
572 |
|
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
573 |
/* | il_expr_operator '(' [il_operand] eol_list [simple_instr_list] ')' */ |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
574 |
//SYM_REF4(il_expression_c, il_expr_operator, il_operand, simple_instr_list, unused) |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
575 |
void *visit(il_expression_c *symbol) { |
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
576 |
/* We will be recursevely interpreting an instruction list, so we store a backup of the implicit_variable_result/current. |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
577 |
* Notice that they will be overwriten while processing the parenthsized instruction list. |
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
578 |
*/ |
690
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
579 |
// il_default_variable_c old_implicit_variable_current = this->implicit_variable_current; // no longer needed as we do not call symbol->il_expr_operator->accept(*this); |
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
580 |
|
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
581 |
/* Stage2 will insert an artificial (and equivalent) LD <il_operand> to the simple_instr_list if necessary. We can therefore ignore the 'il_operand' entry! */ |
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
582 |
//if (NULL != symbol->il_operand) { do nothing!! } |
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
583 |
|
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
584 |
/* Now do the parenthesised instructions... */ |
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
585 |
/* NOTE: the following code line will get the variable this->implicit_variable_current.datatype updated! */ |
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
586 |
symbol->simple_instr_list->accept(*this); |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
587 |
|
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
588 |
/* Now do the operation, using the previous result! */ |
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
589 |
/* NOTE: Actually, we do not need to call this, as it can never be a function call, which is what we are handling here... */ |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
590 |
// this->implicit_variable_current.datatype = old_current_default_variable_data_type; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
591 |
// symbol->il_expr_operator->accept(*this); |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
592 |
return NULL; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
593 |
} |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
594 |
|
235 | 595 |
|
596 |
/* | function_name '(' eol_list [il_param_list] ')' */ |
|
597 |
// SYM_REF2(il_formal_funct_call_c, function_name, il_param_list) |
|
219 | 598 |
void *visit(il_formal_funct_call_c *symbol) { |
235 | 599 |
symbol_c* function_type_prefix = NULL; |
600 |
symbol_c* function_name = NULL; |
|
601 |
symbol_c* function_type_suffix = NULL; |
|
602 |
DECLARE_PARAM_LIST() |
|
603 |
||
604 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
|
605 |
||
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
606 |
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
|
607 |
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
|
608 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
609 |
/* determine the base data type returned by the function being called... */ |
718
a9f8cc778444
Make search_base_type_c a singleton!
Mario de Sousa <msousa@fe.up.pt>
parents:
693
diff
changeset
|
610 |
function_type_prefix = search_base_type_c::get_basetype_decl(f_decl->type_name); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
611 |
if (NULL == function_type_prefix) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
612 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
613 |
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
|
614 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
615 |
/* 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
|
616 |
* 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
|
617 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
618 |
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
|
619 |
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
|
620 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
621 |
/* 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
|
622 |
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
|
623 |
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
|
624 |
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
|
625 |
/* 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
|
626 |
* 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
|
627 |
* 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
|
628 |
* |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
629 |
* 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
|
630 |
* 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
|
631 |
* 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
|
632 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
633 |
/* 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
|
634 |
* 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
|
635 |
* 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
|
636 |
* 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
|
637 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
638 |
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
|
639 |
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
|
640 |
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
|
641 |
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
|
642 |
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
|
643 |
uint_type_name_c *param_type = new uint_type_name_c(); |
380
b78e59ed4269
Fix bug in generate_c_inlinefcall.cc that prevent to use extendible standard functions
laurent
parents:
355
diff
changeset
|
644 |
identifier_c *param_name = new identifier_c(INLINE_PARAM_COUNT); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
645 |
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
|
646 |
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
|
647 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
648 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
649 |
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
|
650 |
/* 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
|
651 |
* 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
|
652 |
* 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
|
653 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
654 |
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
|
655 |
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
|
656 |
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
|
657 |
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
|
658 |
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
|
659 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
660 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
661 |
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
|
662 |
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
|
663 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
664 |
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
|
665 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
666 |
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
|
667 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
668 |
/* 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
|
669 |
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
|
670 |
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
|
671 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
672 |
/* 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
|
673 |
/* 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
|
674 |
* 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
|
675 |
* 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
|
676 |
* 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
|
677 |
* 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
|
678 |
* the following line... |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
679 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
680 |
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
|
681 |
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
|
682 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
683 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
684 |
/* 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
|
685 |
* 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
|
686 |
* 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
|
687 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
688 |
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
|
689 |
break; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
690 |
} |
844
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
691 |
|
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
692 |
/* We do not yet support embedded IL lists, so we abort the compiler if we find one */ |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
693 |
{simple_instr_list_c *instruction_list = dynamic_cast<simple_instr_list_c *>(param_value); |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
694 |
if (NULL != instruction_list) STAGE4_ERROR(param_value, param_value, "The compiler does not yet support formal invocations in IL that contain embedded IL lists. Aborting!"); |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
695 |
} |
39c755f41ee8
Generate correct error message when encountering IL lists embedded in IL formal invocations.
mjsousa
parents:
793
diff
changeset
|
696 |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
697 |
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
|
698 |
/* 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
|
699 |
/* 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
|
700 |
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
|
701 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
702 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
703 |
ADD_PARAM_LIST(param_name, param_value, param_type, fp_iterator.param_direction()) |
235 | 704 |
} |
705 |
||
706 |
if (function_call_param_iterator.next_nf() != NULL) ERROR; |
|
707 |
||
708 |
bool has_output_params = false; |
|
709 |
||
710 |
PARAM_LIST_ITERATOR() { |
|
711 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
|
712 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
|
713 |
PARAM_VALUE != NULL) { |
|
714 |
has_output_params = true; |
|
219 | 715 |
} |
235 | 716 |
} |
717 |
||
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
718 |
/* Check whether we are calling an overloaded function! */ |
721
5dc33058e041
Fix counting bug in dsymbtable_c
Mario de Sousa <msousa@fe.up.pt>
parents:
718
diff
changeset
|
719 |
/* (fdecl_mutiplicity > 1) => calling overloaded function */ |
5dc33058e041
Fix counting bug in dsymbtable_c
Mario de Sousa <msousa@fe.up.pt>
parents:
718
diff
changeset
|
720 |
int fdecl_mutiplicity = function_symtable.count(symbol->function_name); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
721 |
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
|
722 |
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
|
723 |
/* 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
|
724 |
f_decl = NULL; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
725 |
|
235 | 726 |
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
|
727 |
generate_inline(function_name, function_type_prefix, function_type_suffix, param_list, f_decl); |
235 | 728 |
|
729 |
CLEAR_PARAM_LIST() |
|
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
730 |
return NULL; |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
731 |
} |
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
732 |
|
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
733 |
|
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
734 |
|
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
735 |
/* | simple_instr_list il_simple_instruction */ |
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
736 |
// SYM_LIST(simple_instr_list_c) |
690
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
737 |
void *visit(simple_instr_list_c *symbol) {return iterator_visitor_c::visit(symbol);} |
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
738 |
|
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
739 |
|
453
4733f662362a
More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents:
392
diff
changeset
|
740 |
// 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
|
741 |
void *visit(il_simple_instruction_c *symbol) { |
690
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
742 |
/* all previous IL instructions should have the same datatype (checked in stage3), so we get the datatype from the first previous IL instruction we find */ |
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
743 |
implicit_variable_current.datatype = (symbol->prev_il_instruction.empty())? NULL : symbol->prev_il_instruction[0]->datatype; |
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
744 |
symbol->il_simple_instruction->accept(*this); |
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
745 |
implicit_variable_current.datatype = NULL; |
6156ee2b4e32
Correctly generate C code for IL expressions, i.e. IL instructions inside parenthesis.
Mario de Sousa <msousa@fe.up.pt>
parents:
683
diff
changeset
|
746 |
return NULL; |
453
4733f662362a
More changes for support of semantic verification of il_expressions
Mario de Sousa <msousa@fe.up.pt>
parents:
392
diff
changeset
|
747 |
} |
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
748 |
|
683
2d96a47a75b1
Code cleanup: get the datatype of each entity off symbol->datatype (set in stage3 datatype checking), instead of determining it again in stage4. (NOTE: handling of IL parenthesized expressions is not working! Will be fixed later.)
Mario de Sousa <msousa@fe.up.pt>
parents:
670
diff
changeset
|
749 |
|
219 | 750 |
|
751 |
/***************************************/ |
|
752 |
/* B.3 - Language ST (Structured Text) */ |
|
753 |
/***************************************/ |
|
754 |
/***********************/ |
|
755 |
/* B 3.1 - Expressions */ |
|
756 |
/***********************/ |
|
757 |
||
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
758 |
void *visit(statement_list_c *symbol) { |
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
759 |
function_call_iterator_c fc_iterator(symbol); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
760 |
symbol_c* function_call; |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
761 |
while ((function_call = fc_iterator.next()) != NULL) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
762 |
function_call->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
763 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
764 |
return NULL; |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
765 |
} |
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
766 |
|
219 | 767 |
void *visit(function_invocation_c *symbol) { |
235 | 768 |
symbol_c* function_type_prefix = NULL; |
769 |
symbol_c* function_name = NULL; |
|
770 |
symbol_c* function_type_suffix = NULL; |
|
771 |
DECLARE_PARAM_LIST() |
|
772 |
||
773 |
symbol_c *parameter_assignment_list = NULL; |
|
774 |
if (NULL != symbol-> formal_param_list) parameter_assignment_list = symbol-> formal_param_list; |
|
775 |
if (NULL != symbol->nonformal_param_list) parameter_assignment_list = symbol->nonformal_param_list; |
|
1012
1f2af384fb1f
Add support for non standard feature: allow POUs with no in, out and inout parameters
mjsousa
parents:
1003
diff
changeset
|
776 |
// NOTE-> We support the non-standard feature of POUS with no in, out and inout parameters, so this is no longer an internal error! |
1f2af384fb1f
Add support for non standard feature: allow POUs with no in, out and inout parameters
mjsousa
parents:
1003
diff
changeset
|
777 |
// if (NULL == parameter_assignment_list) ERROR; |
235 | 778 |
|
779 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
|
780 |
||
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
781 |
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
|
782 |
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
|
783 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
784 |
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
|
785 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
786 |
/* determine the base data type returned by the function being called... */ |
718
a9f8cc778444
Make search_base_type_c a singleton!
Mario de Sousa <msousa@fe.up.pt>
parents:
693
diff
changeset
|
787 |
function_type_prefix = search_base_type_c::get_basetype_decl(f_decl->type_name); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
788 |
if (NULL == function_type_prefix) ERROR; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
789 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
790 |
/* 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
|
791 |
* 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
|
792 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
793 |
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
|
794 |
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
|
795 |
/* 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
|
796 |
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
|
797 |
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
|
798 |
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
|
799 |
/* 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
|
800 |
* 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
|
801 |
* 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
|
802 |
* |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
803 |
* 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
|
804 |
* 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
|
805 |
* 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
|
806 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
807 |
/* 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
|
808 |
* 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
|
809 |
* 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
|
810 |
* 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
|
811 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
812 |
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
|
813 |
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
|
814 |
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
|
815 |
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
|
816 |
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
|
817 |
uint_type_name_c *param_type = new uint_type_name_c(); |
380
b78e59ed4269
Fix bug in generate_c_inlinefcall.cc that prevent to use extendible standard functions
laurent
parents:
355
diff
changeset
|
818 |
identifier_c *param_name = new identifier_c(INLINE_PARAM_COUNT); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
819 |
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
|
820 |
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
|
821 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
822 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
823 |
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
|
824 |
/* 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
|
825 |
* 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
|
826 |
* 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
|
827 |
*/ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
828 |
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
|
829 |
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
|
830 |
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
|
831 |
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
|
832 |
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
|
833 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
834 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
835 |
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
|
836 |
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
|
837 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
838 |
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
|
839 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
840 |
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
|
841 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
842 |
/* 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
|
843 |
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
|
844 |
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
|
845 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
846 |
/* 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
|
847 |
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
|
848 |
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
|
849 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
850 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
851 |
/* 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
|
852 |
* 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
|
853 |
* have reached the end, and should simply jump out of the for loop. |
219 | 854 |
*/ |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
855 |
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
|
856 |
break; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
857 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
858 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
859 |
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
|
860 |
/* 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
|
861 |
/* 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
|
862 |
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
|
863 |
} |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
864 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
865 |
ADD_PARAM_LIST(param_name, param_value, param_type, param_direction) |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
866 |
} /* for(...) */ |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
867 |
// symbol->parameter_assignment->accept(*this); |
235 | 868 |
|
869 |
if (function_call_param_iterator.next_nf() != NULL) ERROR; |
|
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
870 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
871 |
bool has_output_params = false; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
872 |
|
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
873 |
PARAM_LIST_ITERATOR() { |
235 | 874 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
875 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
|
876 |
PARAM_VALUE != NULL) { |
|
877 |
has_output_params = true; |
|
219 | 878 |
} |
235 | 879 |
} |
880 |
||
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
881 |
/* Check whether we are calling an overloaded function! */ |
721
5dc33058e041
Fix counting bug in dsymbtable_c
Mario de Sousa <msousa@fe.up.pt>
parents:
718
diff
changeset
|
882 |
/* (fdecl_mutiplicity > 1) => calling overloaded function */ |
5dc33058e041
Fix counting bug in dsymbtable_c
Mario de Sousa <msousa@fe.up.pt>
parents:
718
diff
changeset
|
883 |
int fdecl_mutiplicity = function_symtable.count(symbol->function_name); |
350
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
884 |
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
|
885 |
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
|
886 |
/* 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
|
887 |
f_decl = NULL; |
2c3c4dc34979
Support for semantic verification of calls to standard functions.
Mario de Sousa <msousa@fe.up.pt>
parents:
336
diff
changeset
|
888 |
|
235 | 889 |
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
|
890 |
generate_inline(function_name, function_type_prefix, function_type_suffix, param_list, f_decl); |
235 | 891 |
|
892 |
CLEAR_PARAM_LIST() |
|
893 |
||
337
9a2262fb7994
Fix bug with inline function call in POU programmed in IL
laurent
parents:
336
diff
changeset
|
894 |
return NULL; |
219 | 895 |
} |
896 |
||
706
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
897 |
/*********************************************/ |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
898 |
/* B.1.6 Sequential function chart elements */ |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
899 |
/*********************************************/ |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
900 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
901 |
void *visit(initial_step_c *symbol) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
902 |
return NULL; |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
903 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
904 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
905 |
void *visit(step_c *symbol) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
906 |
return NULL; |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
907 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
908 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
909 |
void *visit(transition_c *symbol) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
910 |
return symbol->transition_condition->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
911 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
912 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
913 |
void *visit(transition_condition_c *symbol) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
914 |
// Transition condition is in IL |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
915 |
if (symbol->transition_condition_il != NULL) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
916 |
symbol->transition_condition_il->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
917 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
918 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
919 |
// Transition condition is in ST |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
920 |
if (symbol->transition_condition_st != NULL) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
921 |
function_call_iterator_c fc_iterator(symbol->transition_condition_st); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
922 |
symbol_c* function_call; |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
923 |
while ((function_call = fc_iterator.next()) != NULL) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
924 |
function_call->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
925 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
926 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
927 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
928 |
return NULL; |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
929 |
} |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
930 |
|
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
931 |
void *visit(action_c *symbol) { |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
932 |
return symbol->function_block_body->accept(*this); |
31553c22f318
Adding support for declaring function block instances as global and external variables
Laurent Bessard
parents:
625
diff
changeset
|
933 |
} |
388
17eaad42ba88
Fix bug in generate_c_inlinefcall. Was not handling textual SFC elements
laurent
parents:
383
diff
changeset
|
934 |
|
234
e4d31cd0e6d8
Using function_call_iterator in generate_c_inlinefcall instead of creating a new visitor
laurent
parents:
233
diff
changeset
|
935 |
}; /* generate_c_inlinefcall_c */ |
e4d31cd0e6d8
Using function_call_iterator in generate_c_inlinefcall instead of creating a new visitor
laurent
parents:
233
diff
changeset
|
936 |