| author | Edouard Tisserant |
| Tue, 05 Apr 2011 15:14:19 +0200 | |
| changeset 279 | c0453b7f99df |
| parent 238 | 0919986a5c98 |
| child 321 | a96399ab57c2 |
| permissions | -rwxr-xr-x |
| 219 | 1 |
/* |
|
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* matiec - a compiler for the programming languages defined in IEC 61131-3 |
| 219 | 3 |
* |
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* Copyright (C) 2003-2011 Mario de Sousa (msousa@fe.up.pt) |
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* Copyright (C) 2007-2011 Laurent Bessard and Edouard Tisserant |
| 219 | 6 |
* |
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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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c0453b7f99df
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* (at your option) any later version. |
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c0453b7f99df
Re-generated std lib related code, with updated headers, updated all forgotten headers
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* |
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c0453b7f99df
Re-generated std lib related code, with updated headers, updated all forgotten headers
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parents:
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* This program is distributed in the hope that it will be useful, |
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c0453b7f99df
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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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c0453b7f99df
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* GNU General Public License for more details. |
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c0453b7f99df
Re-generated std lib related code, with updated headers, updated all forgotten headers
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parents:
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* |
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c0453b7f99df
Re-generated std lib related code, with updated headers, updated all forgotten headers
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* You should have received a copy of the GNU General Public License |
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c0453b7f99df
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
| 219 | 20 |
* |
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* This code is made available on the understanding that it will not be |
|
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* used in safety-critical situations without a full and competent review. |
|
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*/ |
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||
25 |
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#define INLINE_RESULT_TEMP_VAR "__res" |
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||
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class generate_c_inlinefcall_c: public generate_c_typedecl_c {
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| 219 | 29 |
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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: |
39 |
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40 |
/* 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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43 |
* parenthesised instruction list to the immediately preceding |
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* scope ... |
|
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*/ |
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46 |
il_default_variable_c default_variable_name; |
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47 |
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symbol_c* current_array_type; |
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int fcall_number; |
51 |
symbol_c *fbname; |
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52 |
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53 |
search_expression_type_c *search_expression_type; |
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54 |
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55 |
search_varfb_instance_type_c *search_varfb_instance_type; |
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56 |
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57 |
search_base_type_c search_base_type; |
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58 |
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variablegeneration_t wanted_variablegeneration; |
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| 219 | 61 |
public: |
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generate_c_inlinefcall_c(stage4out_c *s4o_ptr, symbol_c *name, symbol_c *scope, const char *variable_prefix = NULL) |
| 219 | 63 |
: generate_c_typedecl_c(s4o_ptr), |
64 |
default_variable_name(IL_DEFVAR, NULL) |
|
65 |
{
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66 |
search_expression_type = new search_expression_type_c(scope); |
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67 |
search_varfb_instance_type = new search_varfb_instance_type_c(scope); |
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68 |
this->set_variable_prefix(variable_prefix); |
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fcall_number = 0; |
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70 |
fbname = name; |
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wanted_variablegeneration = expression_vg; |
| 219 | 72 |
} |
73 |
||
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virtual ~generate_c_inlinefcall_c(void) {
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delete search_expression_type; |
| 219 | 76 |
delete search_varfb_instance_type; |
77 |
} |
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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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86 |
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void generate_inline(symbol_c *function_name, |
| 235 | 88 |
symbol_c *function_type_prefix, |
89 |
symbol_c *function_type_suffix, |
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std::list<FUNCTION_PARAM*> param_list) {
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std::list<FUNCTION_PARAM*>::iterator pt; |
| 219 | 92 |
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93 |
fcall_number++; |
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94 |
||
95 |
s4o.print(s4o.indent_spaces); |
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96 |
s4o.print("inline ");
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| 235 | 97 |
function_type_prefix->accept(*this); |
| 219 | 98 |
s4o.print(" __");
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99 |
fbname->accept(*this); |
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s4o.print("_");
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function_name->accept(*this); |
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| 235 | 102 |
if (function_type_suffix) |
103 |
function_type_suffix->accept(*this); |
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| 219 | 104 |
s4o.print_integer(fcall_number); |
105 |
s4o.print("(");
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106 |
s4o.indent_right(); |
|
107 |
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108 |
PARAM_LIST_ITERATOR() {
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if (PARAM_DIRECTION == function_param_iterator_c::direction_in) {
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110 |
PARAM_TYPE->accept(*this); |
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111 |
s4o.print(" ");
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112 |
PARAM_NAME->accept(*this); |
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113 |
s4o.print(",\n" + s4o.indent_spaces);
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|
114 |
} |
|
115 |
} |
|
116 |
fbname->accept(*this); |
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117 |
s4o.print(" *");
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118 |
s4o.print(FB_FUNCTION_PARAM); |
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s4o.indent_left(); |
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120 |
s4o.print(")\n" + s4o.indent_spaces);
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121 |
s4o.print("{\n");
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122 |
s4o.indent_right(); |
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123 |
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124 |
s4o.print(s4o.indent_spaces); |
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| 235 | 125 |
function_type_prefix->accept(*this); |
| 219 | 126 |
s4o.print(" "),
|
127 |
s4o.print(INLINE_RESULT_TEMP_VAR); |
|
128 |
s4o.print(";\n");
|
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129 |
||
130 |
PARAM_LIST_ITERATOR() {
|
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131 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
|
132 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
|
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PARAM_VALUE != NULL) {
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134 |
s4o.print(s4o.indent_spaces); |
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135 |
PARAM_TYPE->accept(*this); |
|
136 |
s4o.print(" ");
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137 |
s4o.print(TEMP_VAR); |
|
138 |
PARAM_NAME->accept(*this); |
|
139 |
s4o.print(" = ");
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140 |
print_check_function(PARAM_TYPE, PARAM_VALUE); |
|
141 |
s4o.print(";\n");
|
|
142 |
} |
|
143 |
} |
|
144 |
||
145 |
s4o.print(s4o.indent_spaces + INLINE_RESULT_TEMP_VAR), |
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146 |
s4o.print(" = ");
|
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147 |
function_name->accept(*this); |
|
| 235 | 148 |
if (function_type_suffix) |
149 |
function_type_suffix->accept(*this); |
|
| 219 | 150 |
s4o.print("(");
|
151 |
s4o.indent_right(); |
|
152 |
||
153 |
PARAM_LIST_ITERATOR() {
|
|
154 |
if (pt != param_list.begin()) |
|
155 |
s4o.print(",\n" + s4o.indent_spaces);
|
|
156 |
if (PARAM_DIRECTION == function_param_iterator_c::direction_in) |
|
157 |
PARAM_NAME->accept(*this); |
|
158 |
else if (PARAM_VALUE != NULL){
|
|
159 |
s4o.print("&");
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|
160 |
s4o.print(TEMP_VAR); |
|
161 |
PARAM_NAME->accept(*this); |
|
162 |
} |
|
163 |
else {
|
|
164 |
s4o.print("NULL");
|
|
165 |
} |
|
166 |
} |
|
167 |
s4o.print(");\n");
|
|
168 |
s4o.indent_left(); |
|
169 |
||
170 |
PARAM_LIST_ITERATOR() {
|
|
171 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
|
172 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
|
173 |
PARAM_VALUE != NULL) {
|
|
174 |
||
175 |
s4o.print(s4o.indent_spaces); |
|
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print_setter(PARAM_VALUE, PARAM_TYPE, PARAM_NAME); |
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177 |
s4o.print(";\n");
|
| 219 | 178 |
} |
179 |
} |
|
180 |
s4o.print(s4o.indent_spaces + "return "); |
|
181 |
s4o.print(INLINE_RESULT_TEMP_VAR); |
|
182 |
s4o.print(";\n");
|
|
183 |
||
184 |
s4o.indent_left(); |
|
185 |
s4o.print(s4o.indent_spaces + "}\n\n"); |
|
186 |
} |
|
187 |
||
188 |
private: |
|
189 |
||
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190 |
void *print_getter(symbol_c *symbol) {
|
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unsigned int vartype = search_varfb_instance_type->get_vartype(symbol); |
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if (vartype == search_var_instance_decl_c::external_vt) |
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s4o.print(GET_EXTERNAL); |
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194 |
else if (vartype == search_var_instance_decl_c::located_vt) |
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195 |
s4o.print(GET_LOCATED); |
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196 |
else |
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s4o.print(GET_VAR); |
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198 |
s4o.print("(");
|
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|
199 |
|
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200 |
wanted_variablegeneration = complextype_base_vg; |
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201 |
symbol->accept(*this); |
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202 |
if (search_varfb_instance_type->type_is_complex()) |
|
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203 |
s4o.print(",");
|
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204 |
wanted_variablegeneration = complextype_suffix_vg; |
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205 |
symbol->accept(*this); |
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206 |
s4o.print(")");
|
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|
207 |
wanted_variablegeneration = expression_vg; |
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208 |
return NULL; |
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|
209 |
} |
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|
210 |
|
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211 |
void *print_setter(symbol_c* symbol, |
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|
212 |
symbol_c* type, |
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|
213 |
symbol_c* value) {
|
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|
214 |
unsigned int vartype = search_varfb_instance_type->get_vartype(symbol); |
|
231
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|
215 |
if (vartype == search_var_instance_decl_c::external_vt) {
|
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|
216 |
symbolic_variable_c *variable = dynamic_cast<symbolic_variable_c *>(symbol); |
|
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|
217 |
/* TODO Find a solution for forcing global complex variables */ |
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|
218 |
if (variable != NULL) {
|
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|
219 |
s4o.print(SET_EXTERNAL); |
|
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|
220 |
s4o.print("(");
|
|
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|
221 |
variable->var_name->accept(*this); |
|
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|
222 |
s4o.print(",");
|
|
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|
223 |
} |
|
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|
224 |
else {
|
|
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|
225 |
s4o.print(SET_COMPLEX_EXTERNAL); |
|
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|
226 |
s4o.print("(");
|
|
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|
227 |
} |
|
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|
228 |
} |
|
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|
229 |
else {
|
|
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|
230 |
if (vartype == search_var_instance_decl_c::located_vt) |
|
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|
231 |
s4o.print(SET_LOCATED); |
|
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diff
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|
232 |
else |
|
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|
233 |
s4o.print(SET_VAR); |
|
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diff
changeset
|
234 |
s4o.print("(");
|
|
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|
235 |
} |
|
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|
236 |
|
|
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|
237 |
wanted_variablegeneration = complextype_base_vg; |
|
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|
238 |
symbol->accept(*this); |
|
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|
239 |
s4o.print(",");
|
|
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|
240 |
wanted_variablegeneration = expression_vg; |
|
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|
241 |
print_check_function(type, value, NULL, true); |
|
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|
242 |
if (search_varfb_instance_type->type_is_complex()) {
|
|
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|
243 |
s4o.print(",");
|
|
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|
244 |
wanted_variablegeneration = complextype_suffix_vg; |
|
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|
245 |
symbol->accept(*this); |
|
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|
246 |
} |
|
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|
247 |
s4o.print(")");
|
|
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|
248 |
wanted_variablegeneration = expression_vg; |
|
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|
249 |
return NULL; |
|
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|
250 |
} |
|
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|
251 |
|
| 219 | 252 |
/*********************/ |
253 |
/* B 1.4 - Variables */ |
|
254 |
/*********************/ |
|
255 |
void *visit(symbolic_variable_c *symbol) {
|
|
|
228
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|
256 |
unsigned int vartype; |
|
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|
257 |
if (wanted_variablegeneration == complextype_base_vg) |
|
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|
258 |
generate_c_base_c::visit(symbol); |
|
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|
259 |
else if (wanted_variablegeneration == complextype_suffix_vg) |
|
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|
260 |
return NULL; |
|
221
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|
261 |
else |
| 235 | 262 |
print_getter(symbol); |
| 219 | 263 |
return NULL; |
264 |
} |
|
265 |
||
266 |
/********************************************/ |
|
267 |
/* B.1.4.1 Directly Represented Variables */ |
|
268 |
/********************************************/ |
|
269 |
// direct_variable: direct_variable_token {$$ = new direct_variable_c($1);};
|
|
270 |
void *visit(direct_variable_c *symbol) {
|
|
271 |
TRACE("direct_variable_c");
|
|
272 |
/* Do not use print_token() as it will change everything into uppercase */ |
|
273 |
if (strlen(symbol->value) == 0) ERROR; |
|
274 |
s4o.print(GET_LOCATED); |
|
275 |
s4o.print("(");
|
|
276 |
this->print_variable_prefix(); |
|
277 |
s4o.printlocation(symbol->value + 1); |
|
278 |
s4o.print(")");
|
|
279 |
return NULL; |
|
280 |
} |
|
281 |
||
|
228
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282 |
/*************************************/ |
|
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|
283 |
/* B.1.4.2 Multi-element Variables */ |
|
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|
284 |
/*************************************/ |
|
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|
285 |
|
|
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|
286 |
// SYM_REF2(structured_variable_c, record_variable, field_selector) |
|
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|
287 |
void *visit(structured_variable_c *symbol) {
|
|
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|
288 |
TRACE("structured_variable_c");
|
|
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diff
changeset
|
289 |
switch (wanted_variablegeneration) {
|
|
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diff
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|
290 |
case complextype_base_vg: |
|
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diff
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|
291 |
symbol->record_variable->accept(*this); |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
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|
292 |
break; |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
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|
293 |
case complextype_suffix_vg: |
|
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diff
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|
294 |
symbol->record_variable->accept(*this); |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
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|
295 |
s4o.print(".");
|
|
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diff
changeset
|
296 |
symbol->field_selector->accept(*this); |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
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|
297 |
break; |
|
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diff
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|
298 |
default: |
| 237 | 299 |
print_getter(symbol); |
|
228
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
changeset
|
300 |
break; |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
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diff
changeset
|
301 |
} |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
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|
302 |
return NULL; |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
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diff
changeset
|
303 |
} |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
changeset
|
304 |
|
|
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Adding support for setter and getter on complex datatype in IL
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diff
changeset
|
305 |
/* subscripted_variable '[' subscript_list ']' */ |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
changeset
|
306 |
//SYM_REF2(array_variable_c, subscripted_variable, subscript_list) |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
changeset
|
307 |
void *visit(array_variable_c *symbol) {
|
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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diff
changeset
|
308 |
switch (wanted_variablegeneration) {
|
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
221
diff
changeset
|
309 |
case complextype_base_vg: |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
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diff
changeset
|
310 |
symbol->subscripted_variable->accept(*this); |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
221
diff
changeset
|
311 |
break; |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
221
diff
changeset
|
312 |
case complextype_suffix_vg: |
|
238
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
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237
diff
changeset
|
313 |
symbol->subscripted_variable->accept(*this); |
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
314 |
|
|
228
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
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diff
changeset
|
315 |
current_array_type = search_varfb_instance_type->get_rawtype(symbol->subscripted_variable); |
|
238
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
316 |
if (current_array_type == NULL) ERROR; |
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
317 |
|
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
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237
diff
changeset
|
318 |
s4o.print(".table");
|
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
319 |
symbol->subscript_list->accept(*this); |
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
320 |
|
|
0919986a5c98
Bug when trying to get type of elements in a big complex structure fixed
laurent
parents:
237
diff
changeset
|
321 |
current_array_type = NULL; |
|
228
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
221
diff
changeset
|
322 |
break; |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
221
diff
changeset
|
323 |
default: |
| 237 | 324 |
print_getter(symbol); |
|
228
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
325 |
break; |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
326 |
} |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
221
diff
changeset
|
327 |
return NULL; |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
berem
parents:
221
diff
changeset
|
328 |
} |
|
43831b683764
Adding support for setter and getter on complex datatype in IL
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parents:
221
diff
changeset
|
329 |
|
| 219 | 330 |
/****************************************/ |
331 |
/* B.2 - Language IL (Instruction List) */ |
|
332 |
/****************************************/ |
|
333 |
||
334 |
/***********************************/ |
|
335 |
/* B 2.1 Instructions and Operands */ |
|
336 |
/***********************************/ |
|
337 |
||
338 |
void *visit(il_function_call_c *symbol) {
|
|
| 235 | 339 |
symbol_c* function_type_prefix = NULL; |
340 |
symbol_c* function_name = NULL; |
|
341 |
symbol_c* function_type_suffix = NULL; |
|
342 |
DECLARE_PARAM_LIST() |
|
343 |
||
344 |
symbol_c *param_data_type = default_variable_name.current_type; |
|
345 |
||
346 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
|
347 |
||
348 |
function_declaration_c *f_decl = function_symtable.find_value(symbol->function_name); |
|
349 |
if (f_decl == function_symtable.end_value()) {
|
|
350 |
function_type_t current_function_type = get_function_type((identifier_c *)symbol->function_name); |
|
351 |
if (current_function_type == function_none) ERROR; |
|
352 |
||
353 |
function_type_prefix = (symbol_c *)search_expression_type->compute_standard_function_il(symbol, param_data_type); |
|
354 |
||
355 |
symbol_c *en_param_name = (symbol_c *)(new identifier_c("EN"));
|
|
356 |
/* Add the value from EN param */ |
|
357 |
ADD_PARAM_LIST(en_param_name, |
|
358 |
(symbol_c*)(new boolean_literal_c((symbol_c*)(new bool_type_name_c()), new boolean_true_c())), |
|
359 |
(symbol_c*)(new bool_type_name_c()), |
|
360 |
function_param_iterator_c::direction_in) |
|
361 |
||
362 |
symbol_c *eno_param_name = (symbol_c *)(new identifier_c("ENO"));
|
|
363 |
/* Add the value from ENO param */ |
|
364 |
ADD_PARAM_LIST(eno_param_name, NULL, (symbol_c*)(new bool_type_name_c()), function_param_iterator_c::direction_out) |
|
365 |
||
366 |
int nb_param = 1; |
|
367 |
if (symbol->il_operand_list != NULL) |
|
368 |
nb_param += ((list_c *)symbol->il_operand_list)->n; |
|
369 |
||
370 |
#include "il_code_gen.c" |
|
371 |
||
372 |
} |
|
373 |
else {
|
|
374 |
function_name = symbol->function_name; |
|
| 219 | 375 |
|
376 |
/* determine the base data type returned by the function being called... */ |
|
377 |
search_base_type_c search_base_type; |
|
| 235 | 378 |
function_type_prefix = (symbol_c *)f_decl->type_name->accept(search_base_type); |
| 219 | 379 |
|
380 |
/* loop through each function parameter, find the value we should pass |
|
381 |
* to it, and then output the c equivalent... |
|
382 |
*/ |
|
383 |
||
384 |
function_param_iterator_c fp_iterator(f_decl); |
|
385 |
identifier_c *param_name; |
|
386 |
for(int i = 1; (param_name = fp_iterator.next()) != NULL; i++) {
|
|
387 |
symbol_c *param_type = fp_iterator.param_type(); |
|
388 |
if (param_type == NULL) ERROR; |
|
389 |
||
390 |
function_param_iterator_c::param_direction_t param_direction = fp_iterator.param_direction(); |
|
391 |
||
392 |
symbol_c *param_value = NULL; |
|
393 |
||
394 |
/* if it is the first parameter, semantics specifies that we should |
|
395 |
* get the value off the IL default variable! |
|
396 |
*/ |
|
|
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
397 |
if (1 == i) |
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
398 |
param_value = &this->default_variable_name; |
| 219 | 399 |
|
400 |
/* Get the value from a foo(<param_name> = <param_value>) style call */ |
|
401 |
/* NOTE: the following line of code is not required in this case, but it doesn't |
|
402 |
* harm to leave it in, as in the case of a non-formal syntax function call, |
|
403 |
* it will always return NULL. |
|
404 |
* We leave it in in case we later decide to merge this part of the code together |
|
405 |
* with the function calling code in generate_c_st_c, which does require |
|
406 |
* the following line... |
|
407 |
*/ |
|
408 |
if (param_value == NULL) |
|
409 |
param_value = function_call_param_iterator.search_f(param_name); |
|
410 |
||
411 |
/* Get the value from a foo(<param_value>) style call */ |
|
|
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
412 |
if (param_value == NULL) {
|
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
413 |
param_value = function_call_param_iterator.next_nf(); |
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
414 |
if (param_value != NULL && fp_iterator.is_en_eno_param_implicit()) ERROR; |
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
415 |
} |
| 219 | 416 |
|
417 |
if (param_value == NULL && param_direction == function_param_iterator_c::direction_in) {
|
|
418 |
/* No value given for parameter, so we must use the default... */ |
|
419 |
/* First check whether default value specified in function declaration...*/ |
|
420 |
param_value = fp_iterator.default_value(); |
|
421 |
} |
|
422 |
||
423 |
ADD_PARAM_LIST(param_name, param_value, param_type, fp_iterator.param_direction()) |
|
424 |
} /* for(...) */ |
|
425 |
} |
|
| 235 | 426 |
|
427 |
if (function_call_param_iterator.next_nf() != NULL) ERROR; |
|
428 |
if (NULL == function_type_prefix) ERROR; |
|
429 |
||
430 |
bool has_output_params = false; |
|
431 |
||
432 |
PARAM_LIST_ITERATOR() {
|
|
433 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
|
434 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
|
435 |
PARAM_VALUE != NULL) {
|
|
436 |
has_output_params = true; |
|
437 |
} |
|
438 |
} |
|
439 |
||
440 |
if (has_output_params) |
|
441 |
generate_inline(function_name, function_type_prefix, function_type_suffix, param_list); |
|
442 |
||
443 |
CLEAR_PARAM_LIST() |
|
444 |
||
445 |
return NULL; |
|
446 |
} |
|
447 |
||
448 |
/* | function_name '(' eol_list [il_param_list] ')' */
|
|
449 |
// SYM_REF2(il_formal_funct_call_c, function_name, il_param_list) |
|
| 219 | 450 |
void *visit(il_formal_funct_call_c *symbol) {
|
| 235 | 451 |
symbol_c* function_type_prefix = NULL; |
452 |
symbol_c* function_name = NULL; |
|
453 |
symbol_c* function_type_suffix = NULL; |
|
454 |
DECLARE_PARAM_LIST() |
|
455 |
||
456 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
|
457 |
||
458 |
function_declaration_c *f_decl = function_symtable.find_value(symbol->function_name); |
|
459 |
if (f_decl == function_symtable.end_value()) {
|
|
460 |
function_type_t current_function_type = get_function_type((identifier_c *)symbol->function_name); |
|
461 |
if (current_function_type == function_none) ERROR; |
|
462 |
||
463 |
function_type_prefix = (symbol_c *)search_expression_type->compute_standard_function_default(NULL, symbol); |
|
464 |
||
465 |
int nb_param = 0; |
|
466 |
if (symbol->il_param_list != NULL) |
|
467 |
nb_param += ((list_c *)symbol->il_param_list)->n; |
|
468 |
||
469 |
symbol_c *en_param_name = (symbol_c *)(new identifier_c("EN"));
|
|
470 |
/* Get the value from EN param */ |
|
471 |
symbol_c *EN_param_value = function_call_param_iterator.search_f(en_param_name); |
|
472 |
if (EN_param_value == NULL) |
|
473 |
EN_param_value = (symbol_c*)(new boolean_literal_c((symbol_c*)(new bool_type_name_c()), new boolean_true_c())); |
|
474 |
else |
|
475 |
nb_param --; |
|
476 |
ADD_PARAM_LIST(en_param_name, EN_param_value, (symbol_c*)(new bool_type_name_c()), function_param_iterator_c::direction_in) |
|
477 |
||
478 |
symbol_c *eno_param_name = (symbol_c *)(new identifier_c("ENO"));
|
|
479 |
/* Get the value from ENO param */ |
|
480 |
symbol_c *ENO_param_value = function_call_param_iterator.search_f(eno_param_name); |
|
481 |
if (ENO_param_value != NULL) |
|
482 |
nb_param --; |
|
483 |
ADD_PARAM_LIST(eno_param_name, ENO_param_value, (symbol_c*)(new bool_type_name_c()), function_param_iterator_c::direction_out) |
|
484 |
||
485 |
#include "st_code_gen.c" |
|
486 |
||
487 |
} |
|
488 |
else {
|
|
489 |
function_name = symbol->function_name; |
|
| 219 | 490 |
|
491 |
/* determine the base data type returned by the function being called... */ |
|
492 |
search_base_type_c search_base_type; |
|
| 235 | 493 |
function_type_prefix = (symbol_c *)f_decl->type_name->accept(search_base_type); |
| 219 | 494 |
|
495 |
/* loop through each function parameter, find the value we should pass |
|
496 |
* to it, and then output the c equivalent... |
|
497 |
*/ |
|
498 |
||
499 |
function_param_iterator_c fp_iterator(f_decl); |
|
500 |
identifier_c *param_name; |
|
501 |
for(int i = 1; (param_name = fp_iterator.next()) != NULL; i++) {
|
|
502 |
symbol_c *param_type = fp_iterator.param_type(); |
|
503 |
if (param_type == NULL) ERROR; |
|
504 |
||
505 |
function_param_iterator_c::param_direction_t param_direction = fp_iterator.param_direction(); |
|
506 |
||
507 |
||
508 |
symbol_c *param_value = NULL; |
|
509 |
||
510 |
/* Get the value from a foo(<param_name> = <param_value>) style call */ |
|
511 |
if (param_value == NULL) |
|
512 |
param_value = function_call_param_iterator.search_f(param_name); |
|
513 |
||
514 |
/* Get the value from a foo(<param_value>) style call */ |
|
515 |
/* NOTE: the following line of code is not required in this case, but it doesn't |
|
516 |
* harm to leave it in, as in the case of a formal syntax function call, |
|
517 |
* it will always return NULL. |
|
518 |
* We leave it in in case we later decide to merge this part of the code together |
|
519 |
* with the function calling code in generate_c_st_c, which does require |
|
520 |
* the following line... |
|
521 |
*/ |
|
|
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
522 |
if (param_value == NULL) {
|
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
523 |
param_value = function_call_param_iterator.next_nf(); |
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
524 |
if (param_value != NULL && fp_iterator.is_en_eno_param_implicit()) ERROR; |
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
525 |
} |
| 219 | 526 |
|
527 |
if (param_value == NULL) {
|
|
528 |
/* No value given for parameter, so we must use the default... */ |
|
529 |
/* First check whether default value specified in function declaration...*/ |
|
530 |
param_value = fp_iterator.default_value(); |
|
531 |
} |
|
532 |
||
533 |
ADD_PARAM_LIST(param_name, param_value, param_type, fp_iterator.param_direction()) |
|
534 |
} |
|
| 235 | 535 |
} |
536 |
||
537 |
if (function_call_param_iterator.next_nf() != NULL) ERROR; |
|
538 |
if (NULL == function_type_prefix) ERROR; |
|
539 |
||
540 |
bool has_output_params = false; |
|
541 |
||
542 |
PARAM_LIST_ITERATOR() {
|
|
543 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
|
544 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
|
545 |
PARAM_VALUE != NULL) {
|
|
546 |
has_output_params = true; |
|
| 219 | 547 |
} |
| 235 | 548 |
} |
549 |
||
550 |
if (has_output_params) |
|
551 |
generate_inline(function_name, function_type_prefix, function_type_suffix, param_list); |
|
552 |
||
553 |
CLEAR_PARAM_LIST() |
|
554 |
||
| 219 | 555 |
return NULL; |
556 |
} |
|
557 |
||
558 |
/***************************************/ |
|
559 |
/* B.3 - Language ST (Structured Text) */ |
|
560 |
/***************************************/ |
|
561 |
/***********************/ |
|
562 |
/* B 3.1 - Expressions */ |
|
563 |
/***********************/ |
|
564 |
||
565 |
void *visit(function_invocation_c *symbol) {
|
|
| 235 | 566 |
symbol_c* function_type_prefix = NULL; |
567 |
symbol_c* function_name = NULL; |
|
568 |
symbol_c* function_type_suffix = NULL; |
|
569 |
DECLARE_PARAM_LIST() |
|
570 |
||
571 |
symbol_c *parameter_assignment_list = NULL; |
|
572 |
if (NULL != symbol-> formal_param_list) parameter_assignment_list = symbol-> formal_param_list; |
|
573 |
if (NULL != symbol->nonformal_param_list) parameter_assignment_list = symbol->nonformal_param_list; |
|
574 |
if (NULL == parameter_assignment_list) ERROR; |
|
575 |
||
576 |
function_call_param_iterator_c function_call_param_iterator(symbol); |
|
577 |
||
| 219 | 578 |
function_declaration_c *f_decl = function_symtable.find_value(symbol->function_name); |
| 235 | 579 |
if (f_decl == function_symtable.end_value()) {
|
580 |
/* The function called is not in the symtable, so we test if it is a |
|
581 |
* standard function defined in standard */ |
|
582 |
||
583 |
function_type_t current_function_type = get_function_type((identifier_c *)symbol->function_name); |
|
584 |
if (current_function_type == function_none) ERROR; |
|
585 |
||
586 |
function_type_prefix = search_expression_type->get_type(symbol); |
|
587 |
||
588 |
int nb_param = ((list_c *)parameter_assignment_list)->n; |
|
589 |
||
590 |
symbol_c *en_param_name = (symbol_c *)(new identifier_c("EN"));
|
|
591 |
/* Get the value from EN param */ |
|
592 |
symbol_c *EN_param_value = function_call_param_iterator.search_f(en_param_name); |
|
593 |
if (EN_param_value == NULL) |
|
594 |
EN_param_value = (symbol_c*)(new boolean_literal_c((symbol_c*)(new bool_type_name_c()), new boolean_true_c())); |
|
595 |
else |
|
596 |
nb_param --; |
|
597 |
ADD_PARAM_LIST(en_param_name, EN_param_value, (symbol_c*)(new bool_type_name_c()), function_param_iterator_c::direction_in) |
|
598 |
||
599 |
symbol_c *eno_param_name = (symbol_c *)(new identifier_c("ENO"));
|
|
600 |
/* Get the value from ENO param */ |
|
601 |
symbol_c *ENO_param_value = function_call_param_iterator.search_f(eno_param_name); |
|
602 |
if (ENO_param_value != NULL) |
|
603 |
nb_param --; |
|
604 |
ADD_PARAM_LIST(eno_param_name, ENO_param_value, (symbol_c*)(new bool_type_name_c()), function_param_iterator_c::direction_out) |
|
605 |
||
606 |
#include "st_code_gen.c" |
|
607 |
||
608 |
} |
|
609 |
else {
|
|
610 |
function_name = symbol->function_name; |
|
| 219 | 611 |
|
612 |
/* determine the base data type returned by the function being called... */ |
|
613 |
search_base_type_c search_base_type; |
|
| 235 | 614 |
function_type_prefix = (symbol_c *)f_decl->type_name->accept(search_base_type); |
| 219 | 615 |
|
616 |
/* loop through each function parameter, find the value we should pass |
|
617 |
* to it, and then output the c equivalent... |
|
618 |
*/ |
|
619 |
function_param_iterator_c fp_iterator(f_decl); |
|
620 |
identifier_c *param_name; |
|
621 |
for(int i = 1; (param_name = fp_iterator.next()) != NULL; i++) {
|
|
|
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
622 |
symbol_c *param_type = fp_iterator.param_type(); |
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
623 |
if (param_type == NULL) ERROR; |
| 219 | 624 |
|
625 |
function_param_iterator_c::param_direction_t param_direction = fp_iterator.param_direction(); |
|
626 |
||
627 |
/* Get the value from a foo(<param_name> = <param_value>) style call */ |
|
628 |
symbol_c *param_value = function_call_param_iterator.search_f(param_name); |
|
629 |
||
630 |
/* Get the value from a foo(<param_value>) style call */ |
|
|
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
631 |
if (param_value == NULL) {
|
| 219 | 632 |
param_value = function_call_param_iterator.next_nf(); |
|
233
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
633 |
if (param_value != NULL && fp_iterator.is_en_eno_param_implicit()) ERROR; |
|
3d23a68183d3
Bug on standard functions called with literals fixed
laurent
parents:
231
diff
changeset
|
634 |
} |
| 219 | 635 |
|
636 |
if (param_value == NULL && param_direction == function_param_iterator_c::direction_in) {
|
|
637 |
/* No value given for parameter, so we must use the default... */ |
|
638 |
/* First check whether default value specified in function declaration...*/ |
|
639 |
param_value = fp_iterator.default_value(); |
|
640 |
} |
|
641 |
||
642 |
ADD_PARAM_LIST(param_name, param_value, param_type, param_direction) |
|
643 |
} /* for(...) */ |
|
644 |
// symbol->parameter_assignment->accept(*this); |
|
| 235 | 645 |
} |
646 |
||
647 |
if (function_call_param_iterator.next_nf() != NULL) ERROR; |
|
648 |
if (NULL == function_type_prefix) ERROR; |
|
649 |
||
650 |
bool has_output_params = false; |
|
651 |
||
652 |
PARAM_LIST_ITERATOR() {
|
|
653 |
if ((PARAM_DIRECTION == function_param_iterator_c::direction_out || |
|
654 |
PARAM_DIRECTION == function_param_iterator_c::direction_inout) && |
|
655 |
PARAM_VALUE != NULL) {
|
|
656 |
has_output_params = true; |
|
| 219 | 657 |
} |
| 235 | 658 |
} |
659 |
||
660 |
if (has_output_params) |
|
661 |
generate_inline(function_name, function_type_prefix, function_type_suffix, param_list); |
|
662 |
||
663 |
CLEAR_PARAM_LIST() |
|
664 |
||
| 219 | 665 |
return NULL; |
666 |
} |
|
667 |
||
|
234
e4d31cd0e6d8
Using function_call_iterator in generate_c_inlinefcall instead of creating a new visitor
laurent
parents:
233
diff
changeset
|
668 |
}; /* generate_c_inlinefcall_c */ |
|
e4d31cd0e6d8
Using function_call_iterator in generate_c_inlinefcall instead of creating a new visitor
laurent
parents:
233
diff
changeset
|
669 |
|
|
e4d31cd0e6d8
Using function_call_iterator in generate_c_inlinefcall instead of creating a new visitor
laurent
parents:
233
diff
changeset
|
670 |