| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Copyright (c) 2000-2015 Ericsson Telecom AB |
| 3 | // All rights reserved. This program and the accompanying materials |
| 4 | // are made available under the terms of the Eclipse Public License v1.0 |
| 5 | // which accompanies this distribution, and is available at |
| 6 | // http://www.eclipse.org/legal/epl-v10.html |
| 7 | /////////////////////////////////////////////////////////////////////////////// |
| 8 | #include "TypeCompat.hh" |
| 9 | |
| 10 | #include "AST.hh" |
| 11 | #include "Type.hh" |
| 12 | #include "CompField.hh" |
| 13 | #include "ttcn3/ArrayDimensions.hh" |
| 14 | #include "ttcn3/TtcnTemplate.hh" |
| 15 | #include "main.hh" |
| 16 | |
| 17 | namespace Common { |
| 18 | |
| 19 | TypeCompatInfo::TypeCompatInfo(Module *p_my_module, Type *p_type1, |
| 20 | Type *p_type2, bool p_add_ref_str, |
| 21 | bool p_strict, bool p_is_temp) : |
| 22 | m_my_module(p_my_module), m_type1(p_type1), m_type2(p_type2), |
| 23 | m_strict(p_strict), m_is_temp(p_is_temp), m_needs_conversion(false), |
| 24 | m_erroneous(false), str1_elem(false), str2_elem(false) |
| 25 | { |
| 26 | if (p_type1 && p_add_ref_str) m_ref_str1 = p_type1->get_typename(); |
| 27 | if (p_type2 && p_add_ref_str) m_ref_str2 = p_type2->get_typename(); |
| 28 | } |
| 29 | |
| 30 | void TypeCompatInfo::set_is_erroneous(Type *p_type1, Type *p_type2, |
| 31 | const string& p_error_str) |
| 32 | { |
| 33 | m_erroneous = true; |
| 34 | m_type1 = p_type1; |
| 35 | m_type2 = p_type2; |
| 36 | m_error_str = p_error_str; |
| 37 | } |
| 38 | |
| 39 | string TypeCompatInfo::get_error_str_str() const |
| 40 | { |
| 41 | // The resulting string should look like: "`f1.f2.f3...fn' [of type `tn'] |
| 42 | // and `g1.g2.g3...gm' [of type `tm']". In run-time a simple error will |
| 43 | // occure with a similarly simple error message. |
| 44 | string ret_val = "Type mismatch: `" + m_ref_str1; |
| 45 | if (m_ref_str1 != m_type1->get_typename()) |
| 46 | ret_val += ("' of type `" + m_type1->get_typename()); |
| 47 | ret_val += ("' and `" + m_ref_str2); |
| 48 | if (m_ref_str2 != m_type2->get_typename()) |
| 49 | ret_val += ("' of type `" + m_type2->get_typename()); |
| 50 | ret_val += "' are not compatible"; |
| 51 | if (m_error_str.size() > 0) ret_val += (": " + m_error_str); |
| 52 | return ret_val; |
| 53 | } |
| 54 | |
| 55 | void TypeCompatInfo::add_type_conversion(Type *p_from_type, Type *p_to_type) |
| 56 | { |
| 57 | if (!m_my_module) FATAL_ERROR("TypeCompatInfo::add_type_conversion()"); |
| 58 | if (p_from_type == p_to_type) return; |
| 59 | TypeConv *conv = new TypeConv(p_from_type, p_to_type, m_is_temp); |
| 60 | m_my_module->add_type_conv(conv); |
| 61 | } |
| 62 | |
| 63 | void TypeCompatInfo::append_ref_str(int p_ref_no, const string& p_ref_str) |
| 64 | { |
| 65 | string& ref_str = p_ref_no == 0 ? m_ref_str1 : m_ref_str2; |
| 66 | ref_str += p_ref_str; |
| 67 | } |
| 68 | |
| 69 | string TypeConv::get_conv_func(Type *p_from, Type *p_to, Module *p_mod) |
| 70 | { |
| 71 | const char *from_name = p_from->get_genname_own().c_str(); |
| 72 | const char *to_name = p_to->get_genname_own().c_str(); |
| 73 | Module *from_mod = p_from->get_my_scope()->get_scope_mod(); |
| 74 | Module *to_mod = p_to->get_my_scope()->get_scope_mod(); |
| 75 | string ret_val = "conv_" + (from_mod != p_mod |
| 76 | ? (from_mod->get_modid().get_name() + "_") : string()) + from_name + "_" + |
| 77 | (to_mod != p_mod ? (to_mod->get_modid().get_name() + "_") : string()) + |
| 78 | to_name; |
| 79 | return ret_val; |
| 80 | } |
| 81 | |
| 82 | bool TypeConv::needs_conv_redir(TemplateInstance *p_ti, Reference *p_ref) |
| 83 | { |
| 84 | if (!use_runtime_2) FATAL_ERROR("TypeConv::needs_conv_redir()"); |
| 85 | if (!p_ref) |
| 86 | return false; |
| 87 | Template *templ_body = p_ti->get_Template(); |
| 88 | Template::templatetype_t templ_body_tt = templ_body->get_templatetype(); |
| 89 | switch (templ_body_tt) { |
| 90 | case Template::SPECIFIC_VALUE: |
| 91 | if (templ_body->get_specific_value()->get_needs_conversion()) |
| 92 | return true; |
| 93 | break; |
| 94 | default: |
| 95 | // If the first parameter needs conversion, go ahead. It's most |
| 96 | // probably a reference. |
| 97 | if (templ_body->get_needs_conversion()) |
| 98 | return true; |
| 99 | break; |
| 100 | } |
| 101 | // Check if the value and the type specified for the template instance |
| 102 | // match. If not, we'll need a conversion. |
| 103 | if (p_ti->get_Type()) { |
| 104 | Type *ti_type = p_ti->get_Type()->get_type_refd_last(); |
| 105 | Type *val_type = p_ref->get_refd_assignment()->get_Type() |
| 106 | ->get_field_type(p_ref->get_subrefs(), Type::EXPECTED_DYNAMIC_VALUE) |
| 107 | ->get_type_refd_last(); |
| 108 | if (ti_type->is_structured_type() && val_type->is_structured_type() |
| 109 | && ti_type != val_type) |
| 110 | return true; |
| 111 | } |
| 112 | return false; |
| 113 | } |
| 114 | |
| 115 | void TypeConv::gen_conv_code_redir(expression_struct *p_expr, |
| 116 | TemplateInstance *p_ti, Reference *p_ref) |
| 117 | { |
| 118 | if (!use_runtime_2) FATAL_ERROR("TypeConv::gen_conv_code_redir()"); |
| 119 | Template *templ_body = p_ti->get_Template(); |
| 120 | Template::templatetype_t templ_body_tt = templ_body->get_templatetype(); |
| 121 | expression_struct expr_tmp; |
| 122 | Code::init_expr(&expr_tmp); |
| 123 | const string& tmp_id1 = templ_body->get_temporary_id(); |
| 124 | const char *tmp_id_str1 = tmp_id1.c_str(); |
| 125 | const string& tmp_id2 = templ_body->get_temporary_id(); |
| 126 | const char *tmp_id_str2 = tmp_id2.c_str(); |
| 127 | const string& tmp_id3 = templ_body->get_temporary_id(); |
| 128 | const char *tmp_id_str3 = tmp_id3.c_str(); |
| 129 | Type *my_gov = p_ref->get_refd_assignment()->get_Type() |
| 130 | ->get_field_type(p_ref->get_subrefs(), Type::EXPECTED_DYNAMIC_VALUE) |
| 131 | ->get_type_refd_last(); |
| 132 | Type *orig_type = NULL; |
| 133 | switch (templ_body_tt) { |
| 134 | case Template::SPECIFIC_VALUE: { |
| 135 | Value *val = templ_body->get_specific_value(); |
| 136 | if (val->get_valuetype() == Value::V_REFD) |
| 137 | orig_type = val->get_reference()->get_refd_assignment()->get_Type() |
| 138 | ->get_field_type(val->get_reference()->get_subrefs(), |
| 139 | Type::EXPECTED_DYNAMIC_VALUE)->get_type_refd_last(); |
| 140 | break; } |
| 141 | case Template::TEMPLATE_REFD: { |
| 142 | Reference *ref = templ_body->get_reference(); |
| 143 | if (!ref) FATAL_ERROR("TypeConv::gen_conv_code_redir()"); |
| 144 | orig_type = ref->get_refd_assignment()->get_Type()->get_field_type(ref |
| 145 | ->get_subrefs(), Type::EXPECTED_TEMPLATE)->get_type_refd_last(); |
| 146 | break; } |
| 147 | default: |
| 148 | break; |
| 149 | } |
| 150 | bool needs_back_conv = orig_type != my_gov; |
| 151 | // Try the template instance's explicit type specification. This will be |
| 152 | // the winner if we already have the type. |
| 153 | if (p_ti->get_Type()) { |
| 154 | if (p_ti->get_Type()->get_type_refd_last() != my_gov) { |
| 155 | orig_type = p_ti->get_Type()->get_type_refd_last(); |
| 156 | needs_back_conv = false; |
| 157 | } |
| 158 | } |
| 159 | if (!orig_type || !my_gov) FATAL_ERROR("TypeConv::gen_conv_code_redir()"); |
| 160 | p_expr->preamble = mputprintf(p_expr->preamble, |
| 161 | "%s %s;\n" // For back-conversion. |
| 162 | "%s %s;\n" // To store the result of the operation, the "&()" part. |
| 163 | "%s %s;\n", |
| 164 | orig_type->get_genname_template(templ_body->get_my_scope()).c_str(), |
| 165 | tmp_id_str1, orig_type->get_genname_value(templ_body->get_my_scope()) |
| 166 | .c_str(), tmp_id_str2, my_gov->get_genname_template(templ_body |
| 167 | ->get_my_scope()).c_str(), tmp_id_str3); |
| 168 | expr_tmp.expr = mputprintf(expr_tmp.expr, "%s = ", |
| 169 | !needs_back_conv ? tmp_id_str1 : tmp_id_str3); |
| 170 | p_ti->generate_code(&expr_tmp); |
| 171 | p_expr->preamble = Code::merge_free_expr(p_expr->preamble, &expr_tmp); |
| 172 | if (needs_back_conv) { |
| 173 | TypeConv *back_conv = new TypeConv(my_gov, orig_type, true); |
| 174 | templ_body->get_my_scope()->get_scope_mod()->add_type_conv(back_conv); |
| 175 | p_expr->preamble = mputprintf(p_expr->preamble, |
| 176 | "if (!%s(%s, %s)) TTCN_error(\"Values or templates of types `%s' and " |
| 177 | "`%s' are not compatible at run-time\");\n", |
| 178 | TypeConv::get_conv_func(my_gov, orig_type, templ_body->get_my_scope() |
| 179 | ->get_scope_mod()).c_str(), tmp_id_str1, tmp_id_str3, my_gov |
| 180 | ->get_typename().c_str(), orig_type->get_typename().c_str()); |
| 181 | } |
| 182 | // The back-converted template is the first argument. |
| 183 | p_expr->expr = mputprintf(p_expr->expr, "%s, &(%s)", |
| 184 | tmp_id_str1, tmp_id_str2); |
| 185 | Code::init_expr(&expr_tmp); |
| 186 | p_ref->generate_code(&expr_tmp); |
| 187 | // Hand-merge 1. |
| 188 | if (expr_tmp.preamble) |
| 189 | p_expr->postamble = mputstr(p_expr->postamble, expr_tmp.preamble); |
| 190 | // Finally, convert back to the original value. TODO: Simplify. Don't |
| 191 | // let the conversion die due to an unsuccessful receive operation. |
| 192 | p_expr->postamble = mputprintf(p_expr->postamble, |
| 193 | "if (%s.is_bound() && !%s(%s, %s)) TTCN_error(\"Values or templates " |
| 194 | "of types `%s' and `%s' are not compatible at run-time\");\n", |
| 195 | tmp_id_str2, TypeConv::get_conv_func(orig_type, my_gov, templ_body |
| 196 | ->get_my_scope()->get_scope_mod()).c_str(), expr_tmp.expr, tmp_id_str2, |
| 197 | orig_type->get_typename().c_str(), my_gov->get_typename().c_str()); |
| 198 | // Hand-merge 2. |
| 199 | if (expr_tmp.postamble) |
| 200 | p_expr->postamble = mputstr(p_expr->postamble, expr_tmp.postamble); |
| 201 | Code::free_expr(&expr_tmp); |
| 202 | } |
| 203 | |
| 204 | bool TypeConv::needs_conv_refd(GovernedSimple *p_val_or_temp) |
| 205 | { |
| 206 | if (!use_runtime_2) FATAL_ERROR("TypeConv::needs_conv_refd()"); |
| 207 | Type *original_type = NULL; |
| 208 | Type *current_type = NULL; |
| 209 | switch (p_val_or_temp->get_st()) { |
| 210 | case Setting::S_TEMPLATE: { |
| 211 | Template *p_temp = static_cast<Template *>(p_val_or_temp); |
| 212 | if (p_temp->get_templatetype() != Template::TEMPLATE_REFD) return false; |
| 213 | current_type = p_temp->get_my_governor()->get_type_refd_last(); |
| 214 | Common::Reference *ref = p_temp->get_reference(); |
| 215 | if (!ref) FATAL_ERROR("TypeConv::needs_conv_refd()"); |
| 216 | original_type = ref->get_refd_assignment()->get_Type() |
| 217 | ->get_field_type(ref->get_subrefs(), Type::EXPECTED_TEMPLATE) |
| 218 | ->get_type_refd_last(); |
| 219 | break; } |
| 220 | case Setting::S_V: { |
| 221 | Value *p_val = static_cast<Value *>(p_val_or_temp); |
| 222 | if (p_val->get_valuetype() != Value::V_REFD) return false; |
| 223 | current_type = p_val->get_my_governor()->get_type_refd_last(); |
| 224 | Common::Reference *ref = p_val->get_reference(); |
| 225 | if (!ref) FATAL_ERROR("TypeConv::needs_conv_refd()"); |
| 226 | original_type = ref->get_refd_assignment()->get_Type() |
| 227 | ->get_field_type(ref->get_subrefs(), Type::EXPECTED_DYNAMIC_VALUE) |
| 228 | ->get_type_refd_last(); |
| 229 | break; } |
| 230 | default: |
| 231 | return false; |
| 232 | } |
| 233 | // We should have the scope at this point. Templates like "?" shouldn't |
| 234 | // reach this point. |
| 235 | return p_val_or_temp->get_my_scope()->get_scope_mod() |
| 236 | ->needs_type_conv(original_type, current_type); |
| 237 | } |
| 238 | |
| 239 | // Always call needs_conv_refd() before this. It is assumed that the value |
| 240 | // is a reference and the conversion is necessary. |
| 241 | char *TypeConv::gen_conv_code_refd(char *p_str, const char *p_name, |
| 242 | GovernedSimple *p_val_or_temp) |
| 243 | { |
| 244 | if (!use_runtime_2) FATAL_ERROR("TypeConv::gen_conv_code_refd()"); |
| 245 | Type *original_type = NULL; |
| 246 | Type *current_type = NULL; |
| 247 | string original_type_genname("<unknown>"); |
| 248 | string current_type_genname("<unknown>"); |
| 249 | Common::Scope *my_scope = NULL; |
| 250 | switch (p_val_or_temp->get_st()) { |
| 251 | case Setting::S_TEMPLATE: { |
| 252 | Template *p_temp = static_cast<Template *>(p_val_or_temp); |
| 253 | my_scope = p_temp->get_my_scope(); |
| 254 | if (p_temp->get_templatetype() != Template::TEMPLATE_REFD) |
| 255 | FATAL_ERROR("TypeConv::gen_conv_code_refd()"); |
| 256 | Common::Reference *ref = p_temp->get_reference(); |
| 257 | current_type = p_temp->get_my_governor()->get_type_refd_last(); |
| 258 | original_type = ref->get_refd_assignment()->get_Type() |
| 259 | ->get_field_type(ref->get_subrefs(), Type::EXPECTED_TEMPLATE) |
| 260 | ->get_type_refd_last(); |
| 261 | original_type_genname = original_type->get_genname_template(my_scope); |
| 262 | current_type_genname = current_type->get_genname_template(my_scope); |
| 263 | break; } |
| 264 | case Setting::S_V: { |
| 265 | Value *p_val = static_cast<Value *>(p_val_or_temp); |
| 266 | my_scope = p_val->get_my_scope(); |
| 267 | // We can't really handle other values and templates. |
| 268 | if (p_val->get_valuetype() != Value::V_REFD) |
| 269 | FATAL_ERROR("TypeConv::gen_conv_code_refd()"); |
| 270 | Common::Reference *ref = p_val->get_reference(); |
| 271 | current_type = p_val->get_my_governor()->get_type_refd_last(); |
| 272 | original_type = ref->get_refd_assignment()->get_Type() |
| 273 | ->get_field_type(ref->get_subrefs(), Type::EXPECTED_DYNAMIC_VALUE) |
| 274 | ->get_type_refd_last(); |
| 275 | original_type_genname = original_type->get_genname_value(my_scope); |
| 276 | current_type_genname = current_type->get_genname_value(my_scope); |
| 277 | break; } |
| 278 | default: |
| 279 | FATAL_ERROR("TypeConv::gen_conv_code_refd()"); |
| 280 | } |
| 281 | const string& tmp_id1 = p_val_or_temp->get_temporary_id(); |
| 282 | const char *tmp_id_str1 = tmp_id1.c_str(); // For "p_val/p_temp". |
| 283 | const string& tmp_id2 = p_val_or_temp->get_temporary_id(); |
| 284 | const char *tmp_id_str2 = tmp_id2.c_str(); // For converted "p_val/p_temp". |
| 285 | expression_struct expr; |
| 286 | Code::init_expr(&expr); |
| 287 | expr.expr = mputprintf(expr.expr, |
| 288 | "%s %s;\n%s = ", original_type_genname.c_str(), tmp_id_str1, |
| 289 | tmp_id_str1); |
| 290 | // Always save the value into a separate temporary. Who knows? It can |
| 291 | // avoid some problems with referencing complex expressions. The third |
| 292 | // argument passed to the conversion function is unused unless the type |
| 293 | // we're converting to is a T_CHOICE_{A,T}/T_ANYTYPE. Calling |
| 294 | // generate_code_init() directly may cause infinite recursion. |
| 295 | if (p_val_or_temp->get_st() == Setting::S_V) |
| 296 | static_cast<Value *>(p_val_or_temp)->get_reference()->generate_code(&expr); |
| 297 | else static_cast<Template *>(p_val_or_temp)->get_reference()->generate_code(&expr); |
| 298 | expr.expr = mputprintf(expr.expr, |
| 299 | ";\n%s %s;\n" |
| 300 | "if (!%s(%s, %s)) TTCN_error(\"Values or templates of types `%s' and " |
| 301 | "`%s' are not compatible at run-time\")", // ";\n" will be added later. |
| 302 | current_type_genname.c_str(), tmp_id_str2, get_conv_func(original_type, |
| 303 | current_type, my_scope->get_scope_mod()).c_str(), tmp_id_str2, |
| 304 | tmp_id_str1, original_type->get_typename().c_str(), |
| 305 | current_type->get_typename().c_str()); |
| 306 | // Merge by hand. Code::merge_free_expr() puts an additional ";\n". |
| 307 | // "p_str" is just a local pointer here, it needs an mputprintf() at the |
| 308 | // end. |
| 309 | p_str = Code::merge_free_expr(p_str, &expr); |
| 310 | return mputprintf(p_str, "%s = %s;\n", p_name, tmp_id_str2); |
| 311 | } |
| 312 | |
| 313 | void TypeConv::gen_conv_func(char **p_prototypes, char **p_bodies, |
| 314 | Module *p_mod) |
| 315 | { |
| 316 | string from_name = m_is_temp ? m_from->get_genname_template(p_mod) |
| 317 | : m_from->get_genname_value(p_mod); |
| 318 | string to_name = m_is_temp ? m_to->get_genname_template(p_mod) |
| 319 | : m_to->get_genname_value(p_mod); |
| 320 | *p_prototypes = mputprintf(*p_prototypes, |
| 321 | "static boolean %s(%s& p_to_v, const %s& p_from_v);\n", |
| 322 | get_conv_func(m_from, m_to, p_mod).c_str(), to_name.c_str(), |
| 323 | from_name.c_str()); |
| 324 | *p_bodies = mputprintf(*p_bodies, |
| 325 | "static boolean %s(%s& p_to_v, const %s& p_from_v)\n{\n", |
| 326 | get_conv_func(m_from, m_to, p_mod).c_str(), to_name.c_str(), |
| 327 | from_name.c_str()); |
| 328 | switch (m_to->get_typetype()) { |
| 329 | case Type::T_SEQ_A: |
| 330 | case Type::T_SEQ_T: |
| 331 | switch (m_from->get_typetype()) { |
| 332 | case Type::T_SEQ_A: |
| 333 | case Type::T_SEQ_T: |
| 334 | gen_conv_func_record_set(p_bodies, p_mod); |
| 335 | break; |
| 336 | case Type::T_SEQOF: |
| 337 | gen_conv_func_record_set_record_of_set_of(p_bodies, p_mod); |
| 338 | break; |
| 339 | case Type::T_ARRAY: |
| 340 | gen_conv_func_array_record(p_bodies, p_mod); |
| 341 | break; |
| 342 | default: |
| 343 | FATAL_ERROR("TypeConv::gen_conv_func()"); |
| 344 | return; |
| 345 | } break; |
| 346 | case Type::T_SEQOF: |
| 347 | switch (m_from->get_typetype()) { |
| 348 | case Type::T_SEQ_A: |
| 349 | case Type::T_SEQ_T: |
| 350 | case Type::T_SEQOF: |
| 351 | gen_conv_func_record_set_record_of_set_of(p_bodies, p_mod); |
| 352 | break; |
| 353 | case Type::T_ARRAY: |
| 354 | gen_conv_func_array_record_of(p_bodies, p_mod); |
| 355 | break; |
| 356 | default: |
| 357 | FATAL_ERROR("TypeConv::gen_conv_func()"); |
| 358 | return; |
| 359 | } break; |
| 360 | case Type::T_ARRAY: |
| 361 | switch (m_from->get_typetype()) { |
| 362 | case Type::T_SEQ_A: |
| 363 | case Type::T_SEQ_T: |
| 364 | gen_conv_func_array_record(p_bodies, p_mod); |
| 365 | break; |
| 366 | case Type::T_SEQOF: |
| 367 | case Type::T_ARRAY: |
| 368 | gen_conv_func_array_record_of(p_bodies, p_mod); |
| 369 | break; |
| 370 | default: |
| 371 | FATAL_ERROR("TypeConv::gen_conv_func()"); |
| 372 | return; |
| 373 | } break; |
| 374 | case Type::T_SET_A: |
| 375 | case Type::T_SET_T: |
| 376 | switch (m_from->get_typetype()) { |
| 377 | case Type::T_SET_A: |
| 378 | case Type::T_SET_T: |
| 379 | gen_conv_func_record_set(p_bodies, p_mod); |
| 380 | break; |
| 381 | case Type::T_SETOF: |
| 382 | gen_conv_func_record_set_record_of_set_of(p_bodies, p_mod); |
| 383 | break; |
| 384 | default: |
| 385 | FATAL_ERROR("TypeConv::gen_conv_func()"); |
| 386 | return; |
| 387 | } break; |
| 388 | case Type::T_SETOF: |
| 389 | switch (m_from->get_typetype()) { |
| 390 | case Type::T_SET_A: |
| 391 | case Type::T_SET_T: |
| 392 | case Type::T_SETOF: |
| 393 | gen_conv_func_record_set_record_of_set_of(p_bodies, p_mod); |
| 394 | break; |
| 395 | default: |
| 396 | FATAL_ERROR("TypeConv::gen_conv_func()"); |
| 397 | return; |
| 398 | } break; |
| 399 | case Type::T_CHOICE_A: |
| 400 | case Type::T_CHOICE_T: |
| 401 | switch (m_from->get_typetype()) { |
| 402 | case Type::T_CHOICE_A: |
| 403 | case Type::T_CHOICE_T: |
| 404 | gen_conv_func_choice_anytype(p_bodies, p_mod); |
| 405 | break; |
| 406 | default: |
| 407 | FATAL_ERROR("TypeConv::gen_conv_func()"); |
| 408 | return; |
| 409 | } break; |
| 410 | case Type::T_ANYTYPE: |
| 411 | switch (m_from->get_typetype()) { |
| 412 | case Type::T_ANYTYPE: |
| 413 | gen_conv_func_choice_anytype(p_bodies, p_mod); |
| 414 | break; |
| 415 | default: |
| 416 | FATAL_ERROR("TypeConv::gen_conv_func()"); |
| 417 | return; |
| 418 | } break; |
| 419 | default: |
| 420 | FATAL_ERROR("TypeConv::gen_conv_func()"); |
| 421 | return; |
| 422 | } |
| 423 | *p_bodies = mputprintf(*p_bodies, "return TRUE;\n}\n\n"); |
| 424 | } |
| 425 | |
| 426 | // Conversions between records-records and sets-sets. |
| 427 | void TypeConv::gen_conv_func_record_set(char **p_bodies, Module *p_mod) |
| 428 | { |
| 429 | Type::typetype_t m_from_tt = m_from->get_typetype(); |
| 430 | Type::typetype_t m_to_tt = m_to->get_typetype(); |
| 431 | switch (m_from_tt) { |
| 432 | case Type::T_SEQ_A: |
| 433 | case Type::T_SEQ_T: |
| 434 | if (m_to_tt != Type::T_SEQ_A && m_to_tt != Type::T_SEQ_T) |
| 435 | FATAL_ERROR("TypeConv::gen_conv_func_record_set()"); |
| 436 | break; |
| 437 | case Type::T_SET_A: |
| 438 | case Type::T_SET_T: |
| 439 | if (m_to_tt != Type::T_SET_A && m_to_tt != Type::T_SET_T) |
| 440 | FATAL_ERROR("TypeConv::gen_conv_func_record_set()"); |
| 441 | break; |
| 442 | default: |
| 443 | FATAL_ERROR("TypeConv::gen_conv_func_record_set()"); |
| 444 | return; |
| 445 | } |
| 446 | for (size_t i = 0; i < m_to->get_nof_comps(); i++) { |
| 447 | CompField *cf_to = m_to->get_comp_byIndex(i); |
| 448 | CompField *cf_from = m_from->get_comp_byIndex(i); |
| 449 | const Identifier& cf_id_to = cf_to->get_name(); |
| 450 | const Identifier& cf_id_from = cf_from->get_name(); |
| 451 | Type *cf_type_to = cf_to->get_type()->get_type_refd_last(); |
| 452 | Type *cf_type_from = cf_from->get_type()->get_type_refd_last(); |
| 453 | string cf_type_to_name = m_is_temp ? cf_type_to |
| 454 | ->get_genname_template(p_mod) : cf_type_to->get_genname_value(p_mod); |
| 455 | if (!p_mod->needs_type_conv(cf_type_from, cf_type_to)) { |
| 456 | *p_bodies = mputprintf(*p_bodies, |
| 457 | "if (p_from_v.%s().is_bound()) p_to_v.%s() = p_from_v.%s();\n", |
| 458 | cf_id_from.get_name().c_str(), cf_id_to.get_name().c_str(), |
| 459 | cf_id_from.get_name().c_str()); |
| 460 | } else { |
| 461 | const string& tmp_id = p_mod->get_temporary_id(); |
| 462 | const char *tmp_id_str = tmp_id.c_str(); |
| 463 | *p_bodies = mputprintf(*p_bodies, |
| 464 | "%s %s;\n" |
| 465 | "if (!%s(%s, p_from_v.%s())) return FALSE;\n" |
| 466 | "if (%s.is_bound()) p_to_v.%s() = %s;\n", |
| 467 | cf_type_to_name.c_str(), tmp_id_str, get_conv_func(cf_type_from, |
| 468 | cf_type_to, p_mod).c_str(), tmp_id_str, cf_id_from.get_name() |
| 469 | .c_str(), tmp_id_str, cf_id_to.get_name().c_str(), tmp_id_str); |
| 470 | } |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | // Converting arrays to record types vice versa. |
| 475 | void TypeConv::gen_conv_func_array_record(char **p_bodies, Module *p_mod) |
| 476 | { |
| 477 | Type::typetype_t m_from_tt = m_from->get_typetype(); |
| 478 | Type::typetype_t m_to_tt = m_to->get_typetype(); |
| 479 | switch (m_from_tt) { |
| 480 | case Type::T_SEQ_A: |
| 481 | case Type::T_SEQ_T: |
| 482 | if (m_to_tt != Type::T_ARRAY) |
| 483 | FATAL_ERROR("TypeConv::gen_conv_func_array_record()"); |
| 484 | break; |
| 485 | case Type::T_ARRAY: |
| 486 | if (m_to_tt != Type::T_SEQ_A && m_to_tt != Type::T_SEQ_T) |
| 487 | FATAL_ERROR("TypeConv::gen_conv_func_array_record()"); |
| 488 | break; |
| 489 | default: |
| 490 | FATAL_ERROR("TypeConv::gen_conv_func_array_record()"); |
| 491 | return; |
| 492 | } |
| 493 | // From array to a structure type. |
| 494 | if (m_from_tt == Type::T_ARRAY) { |
| 495 | Type *of_type_from = m_from->get_ofType()->get_type_refd_last(); |
| 496 | Int of_type_from_offset = m_from->get_dimension()->get_offset(); |
| 497 | for (size_t i = 0; i < m_to->get_nof_comps(); i++) { |
| 498 | CompField *cf_to = m_to->get_comp_byIndex(i); |
| 499 | const Identifier& cf_id_to = cf_to->get_name(); |
| 500 | Type *cf_type_to = cf_to->get_type()->get_type_refd_last(); |
| 501 | string cf_type_to_name = m_is_temp ? cf_type_to |
| 502 | ->get_genname_template(p_mod) : cf_type_to |
| 503 | ->get_genname_value(p_mod); |
| 504 | if (!p_mod->needs_type_conv(of_type_from, cf_type_to)) { |
| 505 | *p_bodies = mputprintf(*p_bodies, |
| 506 | "if (p_from_v[%lu].is_bound()) p_to_v.%s() = p_from_v[%lu];\n", |
| 507 | (long unsigned)(i + of_type_from_offset), |
| 508 | cf_id_to.get_name().c_str(), |
| 509 | (long unsigned)(i + of_type_from_offset)); |
| 510 | } else { |
| 511 | const string& tmp_id = p_mod->get_temporary_id(); |
| 512 | const char *tmp_id_str = tmp_id.c_str(); |
| 513 | *p_bodies = mputprintf(*p_bodies, |
| 514 | "%s %s;\n" |
| 515 | "if (!%s(%s, p_from_v[%lu])) return FALSE;\n" |
| 516 | "if (%s.is_bound()) p_to_v.%s() = %s;\n", |
| 517 | cf_type_to_name.c_str(), tmp_id_str, get_conv_func(of_type_from, |
| 518 | cf_type_to, p_mod).c_str(), tmp_id_str, |
| 519 | (long unsigned)(i + of_type_from_offset), |
| 520 | tmp_id_str, cf_id_to.get_name().c_str(), tmp_id_str); |
| 521 | } |
| 522 | } |
| 523 | // From a structure to an array. An example 6.3.2.2 shows that |
| 524 | // OMIT_VALUES should be skipped at assignments. |
| 525 | } else { |
| 526 | Type *of_type_to = m_to->get_ofType()->get_type_refd_last(); |
| 527 | string of_type_to_name = m_is_temp ? of_type_to |
| 528 | ->get_genname_template(p_mod) : of_type_to->get_genname_value(p_mod); |
| 529 | *p_bodies = mputprintf(*p_bodies, |
| 530 | "unsigned int index = %lu;\n", |
| 531 | (long unsigned)m_to->get_dimension()->get_offset()); |
| 532 | for (size_t i = 0; i < m_from->get_nof_comps(); i++) { |
| 533 | CompField *cf_from = m_from->get_comp_byIndex(i); |
| 534 | const Identifier& cf_id_from = cf_from->get_name(); |
| 535 | Type *cf_type_from = cf_from->get_type()->get_type_refd_last(); |
| 536 | if (!p_mod->needs_type_conv(cf_type_from, of_type_to)) { |
| 537 | *p_bodies = mputprintf(*p_bodies, |
| 538 | "if (p_from_v.%s().is_bound()) {\n", |
| 539 | cf_id_from.get_name().c_str()); |
| 540 | if (cf_from->get_is_optional()) { |
| 541 | *p_bodies = mputprintf(*p_bodies, |
| 542 | "if (!(p_from_v.%s()%s)) p_to_v[index++] " |
| 543 | "= p_from_v.%s();\n", |
| 544 | cf_id_from.get_name().c_str(), (m_is_temp ? ".is_omit()" : |
| 545 | " == OMIT_VALUE"), cf_id_from.get_name().c_str()); |
| 546 | } else { |
| 547 | *p_bodies = mputprintf(*p_bodies, |
| 548 | "p_to_v[index++] = p_from_v.%s();\n", |
| 549 | cf_id_from.get_name().c_str()); |
| 550 | } |
| 551 | // For unbound elements. |
| 552 | *p_bodies = mputstr(*p_bodies, "} else index++;\n"); |
| 553 | } else { |
| 554 | const string& tmp_id = p_mod->get_temporary_id(); |
| 555 | const char *tmp_id_str = tmp_id.c_str(); |
| 556 | *p_bodies = mputprintf(*p_bodies, |
| 557 | "%s %s;\n" |
| 558 | "if (!%s(%s, p_from_v.%s())) return FALSE;\n" |
| 559 | "if (%s.is_bound()) p_to_v[index++] = %s;\n", |
| 560 | of_type_to_name.c_str(), tmp_id_str, get_conv_func(cf_type_from, |
| 561 | of_type_to, p_mod).c_str(), tmp_id_str, cf_id_from.get_name() |
| 562 | .c_str(), tmp_id_str, tmp_id_str); |
| 563 | } |
| 564 | } |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | // Conversions between arrays and between record ofs and arrays. |
| 569 | void TypeConv::gen_conv_func_array_record_of(char **p_bodies, Module *p_mod) |
| 570 | { |
| 571 | Type::typetype_t m_from_tt = m_from->get_typetype(); |
| 572 | Type::typetype_t m_to_tt = m_to->get_typetype(); |
| 573 | switch (m_from_tt) { |
| 574 | case Type::T_SEQOF: |
| 575 | if (m_to_tt == Type::T_SEQOF) |
| 576 | FATAL_ERROR("TypeConv::gen_conv_func_array_record_of()"); |
| 577 | break; |
| 578 | case Type::T_ARRAY: |
| 579 | break; |
| 580 | default: |
| 581 | FATAL_ERROR("TypeConv::gen_conv_func_array_record_of()"); |
| 582 | return; |
| 583 | } |
| 584 | Type *of_type_from = m_from->get_ofType()->get_type_refd_last(); |
| 585 | Type *of_type_to = m_to->get_ofType()->get_type_refd_last(); |
| 586 | string of_type_to_name = m_is_temp ? of_type_to |
| 587 | ->get_genname_template(p_mod) : of_type_to->get_genname_value(p_mod); |
| 588 | Int of_type_from_offset = m_from_tt == Type::T_ARRAY ? m_from |
| 589 | ->get_dimension()->get_offset() : 0; |
| 590 | Int of_type_to_offset = m_to_tt == Type::T_ARRAY ? m_to->get_dimension() |
| 591 | ->get_offset() : 0; |
| 592 | // If we have two arrays the dimensions must match at this point. For |
| 593 | // record of types we need to check the current size. |
| 594 | if (m_from_tt == Type::T_SEQOF) |
| 595 | *p_bodies = mputprintf(*p_bodies, |
| 596 | "if (!p_from_v.is_bound() || p_from_v.size_of() != %lu) return FALSE;\n", |
| 597 | (long unsigned)m_to->get_dimension()->get_size()); |
| 598 | else if (m_to_tt == Type::T_SEQOF) |
| 599 | *p_bodies = mputprintf(*p_bodies, "p_to_v.set_size(%lu);\n", |
| 600 | (long unsigned)m_from->get_dimension()->get_size()); |
| 601 | for (size_t i = 0; i < m_from->get_dimension()->get_size(); i++) { |
| 602 | if (!p_mod->needs_type_conv(of_type_from, of_type_to)) { |
| 603 | *p_bodies = mputprintf(*p_bodies, |
| 604 | "if (p_from_v[%lu].is_bound()) p_to_v[%lu] = p_from_v[%lu];\n", |
| 605 | (long unsigned)(i + of_type_from_offset), |
| 606 | (long unsigned)(i + of_type_to_offset), |
| 607 | (long unsigned)(i + of_type_from_offset)); |
| 608 | } else { |
| 609 | const string& tmp_id = p_mod->get_temporary_id(); |
| 610 | const char *tmp_id_str = tmp_id.c_str(); |
| 611 | *p_bodies = mputprintf(*p_bodies, |
| 612 | "%s %s;\n" |
| 613 | "if (!%s(%s, p_from_v[%lu])) return FALSE;\n" |
| 614 | "if (%s.is_bound()) p_to_v[%lu] = %s;\n" |
| 615 | "}\n", |
| 616 | of_type_to_name.c_str(), tmp_id_str, get_conv_func(of_type_from, |
| 617 | of_type_to, p_mod).c_str(), tmp_id_str, |
| 618 | (long unsigned)(i + of_type_from_offset), tmp_id_str, |
| 619 | (long unsigned)(i + of_type_from_offset), tmp_id_str); |
| 620 | } |
| 621 | } |
| 622 | } |
| 623 | |
| 624 | // Conversions from records or sets to record ofs or set ofs. Vice versa. |
| 625 | void TypeConv::gen_conv_func_record_set_record_of_set_of(char **p_bodies, Module *p_mod) |
| 626 | { |
| 627 | Type::typetype_t m_from_tt = m_from->get_typetype(); |
| 628 | Type::typetype_t m_to_tt = m_to->get_typetype(); |
| 629 | switch (m_from_tt) { |
| 630 | case Type::T_SEQ_A: |
| 631 | case Type::T_SEQ_T: |
| 632 | if (m_to_tt == Type::T_SEQ_A || m_to_tt == Type::T_SEQ_T) |
| 633 | // From record to record: this function was not supposed to be called |
| 634 | FATAL_ERROR("TypeConv::gen_conv_func_record_set_record_of_set_of()"); |
| 635 | break; |
| 636 | case Type::T_SEQOF: |
| 637 | if (m_to_tt == Type::T_SET_A || m_to_tt == Type::T_SET_T |
| 638 | || m_to_tt == Type::T_SETOF) |
| 639 | FATAL_ERROR("TypeConv::gen_conv_func_record_set_record_of_set_of()"); |
| 640 | break; |
| 641 | case Type::T_SET_A: |
| 642 | case Type::T_SET_T: |
| 643 | if (m_to_tt == Type::T_SET_A || m_to_tt == Type::T_SET_T) |
| 644 | // From set to set: this function was not supposed to be called |
| 645 | FATAL_ERROR("TypeConv::gen_conv_func_record_set_record_of_set_of()"); |
| 646 | break; |
| 647 | case Type::T_SETOF: |
| 648 | if (m_to_tt == Type::T_SEQ_A || m_to_tt == Type::T_SEQ_T |
| 649 | || m_to_tt == Type::T_SEQOF) |
| 650 | FATAL_ERROR("TypeConv::gen_conv_func_record_set_record_of_set_of()"); |
| 651 | break; |
| 652 | default: |
| 653 | FATAL_ERROR("TypeConv::gen_conv_func_record_set_record_of_set_of()"); |
| 654 | return; |
| 655 | } |
| 656 | if (m_from_tt == Type::T_SEQOF || m_from_tt == Type::T_SETOF) { |
| 657 | // From a list type to a structure. |
| 658 | if (m_to_tt == Type::T_SEQ_A || m_to_tt == Type::T_SEQ_T |
| 659 | || m_to_tt == Type::T_SET_A || m_to_tt == Type::T_SET_T) { |
| 660 | *p_bodies = mputprintf(*p_bodies, |
| 661 | "if (!p_from_v.is_bound() || p_from_v.size_of() != %lu) return FALSE;\n", |
| 662 | (long unsigned)m_to->get_nof_comps()); |
| 663 | Type *of_type_from = m_from->get_ofType()->get_type_refd_last(); |
| 664 | for (size_t i = 0; i < m_to->get_nof_comps(); i++) { |
| 665 | CompField *cf_to = m_to->get_comp_byIndex(i); |
| 666 | const Identifier& cf_id_to = cf_to->get_name(); |
| 667 | Type *cf_type_to = cf_to->get_type()->get_type_refd_last(); |
| 668 | string cf_type_to_name = m_is_temp ? cf_type_to |
| 669 | ->get_genname_template(p_mod) : cf_type_to->get_genname_value(p_mod); |
| 670 | if (!p_mod->needs_type_conv(of_type_from, cf_type_to)) { |
| 671 | *p_bodies = mputprintf(*p_bodies, |
| 672 | "if (p_from_v[%lu].is_bound()) p_to_v.%s() = p_from_v[%lu];\n", |
| 673 | (long unsigned)i, cf_id_to.get_name().c_str(), (long unsigned)i); |
| 674 | } else { |
| 675 | const string& tmp_id = p_mod->get_temporary_id(); |
| 676 | const char *tmp_id_str = tmp_id.c_str(); |
| 677 | *p_bodies = mputprintf(*p_bodies, |
| 678 | "%s %s;\n" |
| 679 | "if (!%s(%s, p_from_v[%lu])) return FALSE;\n" |
| 680 | "if (%s.is_bound()) p_to_v.%s() = %s;\n", |
| 681 | cf_type_to_name.c_str(), tmp_id_str, get_conv_func(of_type_from, |
| 682 | cf_type_to, p_mod).c_str(), tmp_id_str, (long unsigned)i, |
| 683 | tmp_id_str, cf_id_to.get_name().c_str(), tmp_id_str); |
| 684 | } |
| 685 | // Unbound elements needs to be assigned as OMIT_VALUE. |
| 686 | if (cf_to->get_is_optional()) |
| 687 | *p_bodies = mputprintf(*p_bodies, |
| 688 | "else p_to_v.%s() = OMIT_VALUE;\n", |
| 689 | cf_id_to.get_name().c_str()); |
| 690 | } |
| 691 | // From a list type to a list type. |
| 692 | } else { |
| 693 | *p_bodies = mputstr(*p_bodies, |
| 694 | "p_to_v.set_size(p_from_v.size_of());\n" |
| 695 | "for (int i = 0; i < p_from_v.size_of(); i++) {\n"); |
| 696 | Type *of_type_from = m_from->get_ofType()->get_type_refd_last(); |
| 697 | Type *of_type_to = m_to->get_ofType()->get_type_refd_last(); |
| 698 | string of_type_to_name = m_is_temp ? of_type_to |
| 699 | ->get_genname_template(p_mod) : of_type_to->get_genname_value(p_mod); |
| 700 | if (!p_mod->needs_type_conv(of_type_from, of_type_to)) { |
| 701 | *p_bodies = mputstr(*p_bodies, |
| 702 | "if (p_from_v[i].is_bound()) p_to_v[i] = p_from_v[i];\n}\n"); |
| 703 | } else { |
| 704 | const string& tmp_id = p_mod->get_temporary_id(); |
| 705 | const char *tmp_id_str = tmp_id.c_str(); |
| 706 | *p_bodies = mputprintf(*p_bodies, |
| 707 | "%s %s;\n" |
| 708 | "if (!%s(%s, p_from_v[i])) return FALSE;\n" |
| 709 | "if (%s.is_bound()) p_to_v[i] = %s;\n" |
| 710 | "}\n", |
| 711 | of_type_to_name.c_str(), tmp_id_str, get_conv_func(of_type_from, |
| 712 | of_type_to, p_mod).c_str(), tmp_id_str, tmp_id_str, tmp_id_str); |
| 713 | } |
| 714 | } |
| 715 | } else { |
| 716 | // From a structure to a structure. Hey... |
| 717 | if (m_to_tt == Type::T_SEQ_A || m_to_tt == Type::T_SEQ_T |
| 718 | || m_to_tt == Type::T_SET_A || m_to_tt == Type::T_SET_T) { |
| 719 | FATAL_ERROR("TypeConv::gen_conv_func_record_set_record_of_set_of()"); |
| 720 | // From a structure to a list type. |
| 721 | } else { |
| 722 | *p_bodies = mputprintf(*p_bodies, |
| 723 | "p_to_v.set_size(%lu);\n", |
| 724 | (long unsigned)m_from->get_nof_comps()); |
| 725 | Type *of_type_to = m_to->get_ofType()->get_type_refd_last(); |
| 726 | string of_type_to_name = m_is_temp ? of_type_to |
| 727 | ->get_genname_template(p_mod) : of_type_to->get_genname_value(p_mod); |
| 728 | for (size_t i = 0; i < m_from->get_nof_comps(); i++) { |
| 729 | CompField *cf_from = m_from->get_comp_byIndex(i); |
| 730 | const Identifier& cf_id_from = cf_from->get_name(); |
| 731 | Type *cf_type_from = cf_from->get_type()->get_type_refd_last(); |
| 732 | if (!p_mod->needs_type_conv(cf_type_from, of_type_to)) { |
| 733 | *p_bodies = mputprintf(*p_bodies, |
| 734 | "if (p_from_v.%s().is_bound()", cf_id_from.get_name().c_str()); |
| 735 | if (cf_from->get_is_optional()) { |
| 736 | // Additional check to avoid omitted fields. |
| 737 | *p_bodies = mputprintf(*p_bodies, |
| 738 | " && !(p_from_v.%s()%s)", |
| 739 | cf_id_from.get_name().c_str(), (m_is_temp ? ".is_omit()" : |
| 740 | " == OMIT_VALUE")); |
| 741 | } |
| 742 | // Final assignment. |
| 743 | *p_bodies = mputprintf(*p_bodies, |
| 744 | ") p_to_v[%lu] = p_from_v.%s();\n", (long unsigned)i, |
| 745 | cf_id_from.get_name().c_str()); |
| 746 | } else { |
| 747 | const string& tmp_id = p_mod->get_temporary_id(); |
| 748 | const char *tmp_id_str = tmp_id.c_str(); |
| 749 | *p_bodies = mputprintf(*p_bodies, |
| 750 | "%s %s;\n" |
| 751 | "if (!%s(%s, p_from_v.%s())) return FALSE;\n" |
| 752 | "if (%s.is_bound()) p_to_v[%lu] = %s;\n", |
| 753 | of_type_to_name.c_str(), tmp_id_str, get_conv_func(cf_type_from, |
| 754 | of_type_to, p_mod).c_str(), tmp_id_str, |
| 755 | cf_id_from.get_name().c_str(), tmp_id_str, (long unsigned)i, |
| 756 | tmp_id_str); |
| 757 | } |
| 758 | } |
| 759 | } |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | void TypeConv::gen_conv_func_choice_anytype(char **p_bodies, Module *p_mod) |
| 764 | { |
| 765 | Type::typetype_t from_tt = m_from->get_typetype(); |
| 766 | Type::typetype_t to_tt = m_to->get_typetype(); |
| 767 | switch (from_tt) { |
| 768 | case Type::T_CHOICE_A: |
| 769 | case Type::T_CHOICE_T: |
| 770 | if (to_tt != Type::T_CHOICE_A && to_tt != Type::T_CHOICE_T) |
| 771 | FATAL_ERROR("TypeConv::gen_conv_func_choice_anytype()"); |
| 772 | break; |
| 773 | case Type::T_ANYTYPE: |
| 774 | if (to_tt != Type::T_ANYTYPE) |
| 775 | FATAL_ERROR("TypeConv::gen_conv_func_choice_anytype()"); |
| 776 | break; |
| 777 | default: |
| 778 | FATAL_ERROR("TypeConv::gen_conv_func_choice_anytype()"); |
| 779 | } |
| 780 | // Anytype field accessors always have an "AT_" prefix. |
| 781 | const char *anytype_prefix = from_tt == Type::T_ANYTYPE ? "AT_" : ""; |
| 782 | *p_bodies = mputprintf(*p_bodies, |
| 783 | "if (!p_from_v.is_bound()) return FALSE;\n" |
| 784 | "switch (p_from_v.get_selection()) {\n"); |
| 785 | for (size_t i = 0; i < m_from->get_nof_comps(); i++) { |
| 786 | CompField *cf_from = m_from->get_comp_byIndex(i); |
| 787 | Type *cf_type_from = cf_from->get_type()->get_type_refd_last(); |
| 788 | const Identifier& cf_id_from = cf_from->get_name(); |
| 789 | for (size_t j = 0; j < m_to->get_nof_comps(); j++) { |
| 790 | CompField *cf_to = m_to->get_comp_byIndex(j); |
| 791 | Type *cf_type_to = cf_to->get_type()->get_type_refd_last(); |
| 792 | const Identifier& cf_id_to = cf_to->get_name(); |
| 793 | // We have at most one field with the same name, break the inner loop |
| 794 | // if found. If the two different types have the same field name, but |
| 795 | // they don't have a conversion function (e.g. an integer-boolean |
| 796 | // pair) don't generate the assignment. It's only an union specific |
| 797 | // problem, since they're compatible if they have at least one |
| 798 | // "compatible" field. |
| 799 | if (cf_id_from.get_name() == cf_id_to.get_name()) { |
| 800 | string from_name = m_is_temp ? m_from->get_genname_template(p_mod) |
| 801 | : m_from->get_genname_value(p_mod); |
| 802 | string from_name_sel = m_from->get_genname_value(p_mod); |
| 803 | if (p_mod->needs_type_conv(cf_type_from, cf_type_to)) { |
| 804 | const string& tmp_id = p_mod->get_temporary_id(); |
| 805 | const char *tmp_id_str = tmp_id.c_str(); |
| 806 | *p_bodies = mputprintf(*p_bodies, |
| 807 | "case %s::ALT_%s: {\n" |
| 808 | "%s %s;\n" |
| 809 | "if (!%s(%s, p_from_v.%s%s())) return FALSE;\n" |
| 810 | "if (%s.is_bound()) p_to_v = %s;\n" |
| 811 | "break; }\n", |
| 812 | from_name_sel.c_str(), cf_id_from.get_name().c_str(), |
| 813 | from_name.c_str(), tmp_id_str, |
| 814 | get_conv_func(cf_type_from, cf_type_to, p_mod).c_str(), |
| 815 | tmp_id_str, anytype_prefix, cf_id_from.get_name().c_str(), |
| 816 | tmp_id_str, tmp_id_str); |
| 817 | } else if (cf_type_from->is_compatible(cf_type_to, NULL)) { // E.g. basic types. |
| 818 | // The same module + field name is required for anytype field |
| 819 | // types. Only for structured types. |
| 820 | bool both_structured = cf_type_from->is_structured_type() |
| 821 | && cf_type_to->is_structured_type(); |
| 822 | if (from_tt == Type::T_ANYTYPE && both_structured |
| 823 | && cf_type_from->get_my_scope()->get_scope_mod() != |
| 824 | cf_type_to->get_my_scope()->get_scope_mod()) |
| 825 | break; |
| 826 | *p_bodies = mputprintf(*p_bodies, |
| 827 | "case %s::ALT_%s:\n" |
| 828 | "if (p_from_v.%s%s().is_bound()) " |
| 829 | "p_to_v.%s%s() = p_from_v.%s%s();\n" |
| 830 | "break;\n", |
| 831 | from_name_sel.c_str(), cf_id_from.get_name().c_str(), |
| 832 | anytype_prefix, cf_id_from.get_name().c_str(), anytype_prefix, |
| 833 | cf_id_to.get_name().c_str(), anytype_prefix, |
| 834 | cf_id_from.get_name().c_str()); |
| 835 | } |
| 836 | break; |
| 837 | } |
| 838 | } |
| 839 | } |
| 840 | *p_bodies = mputprintf(*p_bodies, |
| 841 | "default:\n" |
| 842 | "return FALSE;\n" |
| 843 | "}\n"); |
| 844 | } |
| 845 | |
| 846 | TypeChain::TypeChain() : m_first_double(-1) { } |
| 847 | |
| 848 | TypeChain::~TypeChain() |
| 849 | { |
| 850 | while (!m_marked_states.empty()) delete m_marked_states.pop(); |
| 851 | m_marked_states.clear(); // Does nothing. |
| 852 | m_chain.clear(); // (Type *)s should stay. |
| 853 | } |
| 854 | |
| 855 | void TypeChain::add(Type *p_type) |
| 856 | { |
| 857 | if (m_first_double == -1) { |
| 858 | for (size_t i = 0; i < m_chain.size() && m_first_double == -1; i++) |
| 859 | if (m_chain[i] == p_type) |
| 860 | m_first_double = m_chain.size(); |
| 861 | } |
| 862 | m_chain.add(p_type); |
| 863 | } |
| 864 | |
| 865 | void TypeChain::mark_state() |
| 866 | { |
| 867 | // FIXME: Dynamically allocated integers used only for bookkeeping. |
| 868 | m_marked_states.push(new int(m_chain.size())); |
| 869 | } |
| 870 | |
| 871 | void TypeChain::previous_state() |
| 872 | { |
| 873 | if (m_marked_states.empty()) FATAL_ERROR("TypeChain::previous_state()"); |
| 874 | int state = *m_marked_states.top(); |
| 875 | for (size_t i = m_chain.size() - 1; (int)i >= state; i--) |
| 876 | m_chain.replace(i, 1); |
| 877 | delete m_marked_states.pop(); |
| 878 | if ((int)m_chain.size() <= m_first_double) m_first_double = -1; |
| 879 | } |
| 880 | |
| 881 | } /* namespace Common */ |