GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 97.1% 400 / 0 / 412
Functions: 100.0% 36 / 0 / 36
Branches: 59.0% 459 / 0 / 778
src/symboltablebuilder/SymbolTableBuilder.cpp
Line Branch Exec Source
1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #include "SymbolTableBuilder.h"
4
5 #include <SourceFile.h>
6 #include <ast/ASTBuilder.h>
7 #include <ast/Attributes.h>
8 #include <driver/Driver.h>
9 #include <exception/SemanticError.h>
10 #include <global/GlobalResourceManager.h>
11 #include <model/Function.h>
12 #include <symboltablebuilder/Scope.h>
13
14 namespace spice::compiler {
15
16 6301 SymbolTableBuilder::SymbolTableBuilder(GlobalResourceManager &resourceManager, SourceFile *sourceFile)
17 6301 : CompilerPass(resourceManager, sourceFile), rootScope(sourceFile->globalScope.get()) {}
18
19 6301 std::any SymbolTableBuilder::visitEntry(EntryNode *node) {
20 // Initialize
21 6301 currentScope = rootScope;
22
23 // Visit children
24
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 6301 visitChildren(node);
25
26 // Check if the main function exists
27
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 6263 const bool mainFctRequired = cliOptions.outputContainer == OutputContainer::EXECUTABLE && !cliOptions.noEntryFct;
28
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 6263 if (sourceFile->isMainFile && mainFctRequired && !hasMainFunction)
29
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 12 throw SemanticError(node, MISSING_MAIN_FUNCTION, "No main function found", false);
30
31
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 12518 return nullptr;
32 }
33
34 1252 std::any SymbolTableBuilder::visitMainFctDef(MainFctDefNode *node) {
35 // Visit attributes
36
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 1252 if (node->attrs)
37
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 2 visit(node->attrs);
38
39 // Check if the function is already defined
40
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 5000 if (rootScope->lookupStrict(MAIN_FUNCTION_NAME))
41
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 6 throw SemanticError(node, FUNCTION_DECLARED_TWICE, "Main function is declared twice");
42
43 // Insert symbol for main function
44
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 3744 SymbolTableEntry *mainFctEntry = currentScope->insert(MAIN_FUNCTION_NAME, node);
45 1248 mainFctEntry->used = true;
46
47 // Create scope for main function body
48
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 1248 const std::string &scopeId = MainFctDefNode::getScopeId();
49
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 1248 node->bodyScope = currentScope = rootScope->createChildScope(scopeId, ScopeType::FUNC_PROC_BODY, &node->codeLoc);
50 1248 currentScope->isGenericScope = false;
51
52 // Declare variable for the return value in the function scope
53
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 3744 SymbolTableEntry *resultVarEntry = node->bodyScope->insert(RETURN_VARIABLE_NAME, node);
54 1248 resultVarEntry->used = true;
55
56 // Visit arguments in new scope
57
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 1248 if (node->takesArgs)
58
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 14 visit(node->paramLst);
59
60 // Visit function body in new scope
61
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 1248 visit(node->body);
62
63 // Return to root scope
64 1246 currentScope = rootScope;
65
66 1246 hasMainFunction = true;
67
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 2492 return nullptr;
68 1248 }
69
70 50286 std::any SymbolTableBuilder::visitFctDef(FctDefNode *node) {
71 // Visit attributes
72
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 50286 if (node->attrs)
73
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 1660 visit(node->attrs);
74
75 // Build function qualifiers
76
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 50286 if (const QualifierLstNode *qualifierLst = node->qualifierLst; qualifierLst) {
77
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 159978 for (const QualifierNode *qualifier : qualifierLst->qualifiers) {
78
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 64024 if (qualifier->type == QualifierNode::QualifierType::TY_INLINE)
79 16075 node->qualifiers.isInline = true;
80
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 47949 else if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC)
81 47683 node->qualifiers.isPublic = true;
82
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 266 else if (qualifier->type == QualifierNode::QualifierType::TY_CONST)
83 266 node->qualifiers.isConst = true;
84 else
85 ✗ throw SemanticError(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on a function definition");
86 }
87 }
88
89 // Change to struct scope if this function is a method
90
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 50286 if (node->isMethod) {
91
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 25637 const std::string scopeName = Struct::getScopeName(node->name->structName);
92
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 25637 node->structScope = currentScope = currentScope->getChildScope(scopeName);
93
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 25637 if (!currentScope)
94 ✗ throw SemanticError(node, REFERENCED_UNDEFINED_STRUCT, "Struct '" + node->name->structName + "' could not be found");
95 25637 }
96
97 // Create scope for the function
98
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 50286 node->scope = currentScope = currentScope->createChildScope(node->getScopeId(), ScopeType::FUNC_PROC_BODY, &node->codeLoc);
99
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 50286 currentScope->isGenericScope = node->hasTemplateTypes || (node->structScope && node->structScope->isGenericScope);
100
101 // Create symbol for 'this' variable
102
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 50286 if (node->isMethod)
103
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 102548 currentScope->insert(THIS_VARIABLE_NAME, node);
104
105 // Create symbol for 'result' variable
106
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 150858 currentScope->insert(RETURN_VARIABLE_NAME, node);
107
108 // Create symbols for the parameters
109
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 50286 if (node->hasParams)
110
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 36448 visit(node->paramLst);
111
112 // Visit the function body
113
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 50286 visit(node->body);
114
115 // Leave function body scope
116 50286 currentScope = node->scope->parent;
117
118 // Insert symbol for function into the symbol table
119
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 100572 node->entry = currentScope->insert(node->getSymbolTableEntryName(), node);
120
121 // Add to external name registry
122 // if a function has overloads, they both refer to the same entry in the registry. So we only register the name once
123 50286 const NameRegistryEntry *existingRegistryEntry = sourceFile->getNameRegistryEntry(node->name->fqName);
124
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 50286 if (!existingRegistryEntry || existingRegistryEntry->targetEntry != node->entry)
125 50286 sourceFile->addNameRegistryEntry(node->name->fqName, TY_FUNCTION, node->entry, currentScope, true);
126
127 // Leave the struct scope
128
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 50286 if (node->isMethod)
129 25637 currentScope = node->structScope->parent;
130
131
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 100572 return nullptr;
132 }
133
134 30276 std::any SymbolTableBuilder::visitProcDef(ProcDefNode *node) {
135 // Visit attributes
136
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 30276 if (node->attrs)
137
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 2 visit(node->attrs);
138
139 // Build procedure qualifiers
140
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 30274 if (const QualifierLstNode *qualifierLst = node->qualifierLst) {
141
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 80386 for (const QualifierNode *qualifier : qualifierLst->qualifiers) {
142
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 29456 if (qualifier->type == QualifierNode::QualifierType::TY_INLINE)
143 4001 node->qualifiers.isInline = true;
144
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 25455 else if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC)
145 25447 node->qualifiers.isPublic = true;
146
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 8 else if (qualifier->type == QualifierNode::QualifierType::TY_CONST)
147 8 node->qualifiers.isConst = true;
148 else
149 ✗ throw SemanticError(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on a procedure definition");
150 }
151 }
152
153 // Change to struct scope if this procedure is a method
154
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 30274 if (node->isMethod) {
155
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 24686 const std::string &scopeName = Struct::getScopeName(node->name->structName);
156
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 24686 node->structScope = currentScope = currentScope->getChildScope(scopeName);
157
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 24686 if (!currentScope)
158
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 2 throw SemanticError(node, REFERENCED_UNDEFINED_STRUCT, "Struct '" + node->name->structName + "' could not be found");
159 24686 }
160
161 // Create scope for the procedure
162
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 30272 node->scope = currentScope = currentScope->createChildScope(node->getScopeId(), ScopeType::FUNC_PROC_BODY, &node->codeLoc);
163
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 30272 currentScope->isGenericScope = node->hasTemplateTypes || (node->structScope && node->structScope->isGenericScope);
164
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 30272 currentScope->isDtorScope = node->isMethod && node->name->name == DTOR_FUNCTION_NAME;
165
166 // Create symbol for 'this' variable
167
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 30272 if (node->isMethod)
168
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 98736 currentScope->insert(THIS_VARIABLE_NAME, node);
169
170 // Create symbols for the parameters
171
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 30272 if (node->hasParams)
172
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 22395 visit(node->paramLst);
173
174 // Visit the procedure body
175
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 30272 visit(node->body);
176
177 // Leave procedure body scope
178 30272 currentScope = node->scope->parent;
179
180 // Insert symbol for procedure into the symbol table
181
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 60544 node->entry = currentScope->insert(node->getSymbolTableEntryName(), node);
182
183 // Add to external name registry
184 // if a procedure has overloads, they both refer to the same entry in the registry. So we only register the name once
185 30272 const NameRegistryEntry *existingRegistryEntry = sourceFile->getNameRegistryEntry(node->name->fqName);
186
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 30272 if (!existingRegistryEntry || existingRegistryEntry->targetEntry != node->entry)
187 30272 sourceFile->addNameRegistryEntry(node->name->fqName, TY_PROCEDURE, node->entry, currentScope, true);
188
189 // Leave the struct scope
190
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 30272 if (node->isMethod)
191 24684 currentScope = node->structScope->parent;
192
193 // Check if this is a constructor
194 30272 node->isCtor = node->name->nameFragments.back() == CTOR_FUNCTION_NAME;
195
196
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 60544 return nullptr;
197 }
198
199 7653 std::any SymbolTableBuilder::visitStructDef(StructDefNode *node) {
200 // Visit attributes
201
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 7653 if (node->attrs)
202
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 256 visit(node->attrs);
203
204 // Check if this name already exists
205
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 15306 if (rootScope->lookupStrict(node->structName))
206
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 2 throw SemanticError(node, DUPLICATE_SYMBOL, "Duplicate symbol '" + node->structName + "'");
207
208 // Create scope for the struct
209
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 7651 const std::string &scopeName = Struct::getScopeName(node->structName);
210
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 7651 node->structScope = currentScope = rootScope->createChildScope(scopeName, ScopeType::STRUCT, &node->codeLoc);
211 7651 currentScope->isGenericScope = node->hasTemplateTypes;
212
213 // Insert implicit field for each interface type
214
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 7651 if (node->hasInterfaces) {
215
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 2322 for (DataTypeNode *interfaceNode : node->interfaceTypeLst->dataTypes) {
216 774 const std::string &interfaceName = interfaceNode->baseDataType->customDataType->typeNameFragments.back();
217
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 1548 SymbolTableEntry *interfaceFieldEntry = currentScope->insert("this." + interfaceName, interfaceNode);
218 774 interfaceFieldEntry->used = true;
219 774 interfaceFieldEntry->isImplicitField = true;
220 }
221 }
222
223 // Visit children
224
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 7651 visitChildren(node);
225
226 // Leave the struct scope
227 7649 currentScope = node->structScope->parent;
228
229 // Build struct qualifiers
230
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 7649 if (const QualifierLstNode *qualifierLst = node->qualifierLst) {
231
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 18207 for (const QualifierNode *qualifier : qualifierLst->qualifiers) {
232
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 6069 if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC)
233 6069 node->qualifiers.isPublic = true;
234 else
235 ✗ throw SemanticError(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on a struct definition");
236 }
237 }
238
239 // Add the struct to the symbol table
240
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 7649 node->entry = rootScope->insert(node->structName, node);
241 // Register the name in the exported name registry
242
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 7649 sourceFile->addNameRegistryEntry(node->structName, node->typeId, node->entry, node->structScope, true);
243
244
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 15298 return nullptr;
245 7651 }
246
247 821 std::any SymbolTableBuilder::visitInterfaceDef(InterfaceDefNode *node) {
248 // Visit attributes
249
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 821 if (node->attrs)
250
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 386 visit(node->attrs);
251
252 // Check if this name already exists
253
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 1642 if (rootScope->lookupStrict(node->interfaceName))
254
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 2 throw SemanticError(node, DUPLICATE_SYMBOL, "Duplicate symbol '" + node->interfaceName + "'");
255
256 // Create scope for the interface
257
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 819 const std::string &scopeName = Interface::getScopeName(node->interfaceName);
258
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 819 node->interfaceScope = currentScope = rootScope->createChildScope(scopeName, ScopeType::INTERFACE, &node->codeLoc);
259
260 // Visit signatures
261
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 6545 for (SignatureNode *signature : node->signatures)
262
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 4907 visit(signature);
263
264 // Leave the interface scope
265 819 currentScope = node->interfaceScope->parent;
266
267 // Build interface qualifiers
268
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 819 if (const QualifierLstNode *qualifierLst = node->qualifierLst) {
269
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 2337 for (const QualifierNode *qualifier : qualifierLst->qualifiers) {
270
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 779 if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC)
271 779 node->qualifiers.isPublic = true;
272 else
273 ✗ throw SemanticError(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on an interface definition");
274 }
275 }
276
277 // Add the interface to the symbol table
278
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 819 node->entry = rootScope->insert(node->interfaceName, node);
279 // Register the name in the exported name registry
280
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 819 sourceFile->addNameRegistryEntry(node->interfaceName, node->typeId, node->entry, node->interfaceScope, true);
281
282
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 1638 return nullptr;
283 819 }
284
285 68 std::any SymbolTableBuilder::visitUnionDef(UnionDefNode *node) {
286 // Visit attributes
287
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 68 if (node->attrs)
288 ✗ visit(node->attrs);
289
290 // Check if this name already exists
291
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 136 if (rootScope->lookupStrict(node->unionName))
292 ✗ throw SemanticError(node, DUPLICATE_SYMBOL, "Duplicate symbol '" + node->unionName + "'");
293
294 // Create scope for the union
295
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 68 const std::string &scopeName = Union::getScopeName(node->unionName);
296
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 68 node->unionScope = currentScope = rootScope->createChildScope(scopeName, ScopeType::UNION, &node->codeLoc);
297 68 currentScope->isGenericScope = node->hasTemplateTypes;
298
299 // Visit children
300
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 68 visitChildren(node);
301
302 // Leave the union scope
303 66 currentScope = node->unionScope->parent;
304
305 // Build union qualifiers
306
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 66 if (const QualifierLstNode *qualifierLst = node->qualifierLst) {
307
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 94 for (const QualifierNode *qualifier : qualifierLst->qualifiers) {
308
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 32 if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC)
309 30 node->qualifiers.isPublic = true;
310 else
311
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 6 throw SemanticError(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on a union definition");
312 }
313 }
314
315 // Add the union to the symbol table
316
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 64 node->entry = rootScope->insert(node->unionName, node);
317 // Register the name in the exported name registry
318
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 64 sourceFile->addNameRegistryEntry(node->unionName, node->typeId, node->entry, node->unionScope, true);
319
320
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 128 return nullptr;
321 68 }
322
323 1250 std::any SymbolTableBuilder::visitEnumDef(EnumDefNode *node) {
324 // Check if this name already exists
325
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 2500 if (rootScope->lookupStrict(node->enumName))
326
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 2 throw SemanticError(node, DUPLICATE_SYMBOL, "Duplicate symbol '" + node->enumName + "'");
327
328 // Create scope for the enum
329 1248 node->enumScope = currentScope =
330
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 1248 rootScope->createChildScope(ENUM_SCOPE_PREFIX + node->enumName, ScopeType::ENUM, &node->codeLoc);
331
332 // Visit items
333
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 1248 visit(node->itemLst);
334
335 // Leave the enum scope
336 1246 currentScope = node->enumScope->parent;
337
338 // Build enum qualifiers
339
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 1246 if (node->qualifierLst) {
340
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 3501 for (const QualifierNode *qualifier : node->qualifierLst->qualifiers) {
341
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 1167 if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC)
342 1167 node->qualifiers.isPublic = true;
343 else
344 ✗ throw SemanticError(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on an enum definition");
345 }
346 }
347
348 // Add the enum to the symbol table
349 1246 node->entry = rootScope->insert(node->enumName, node);
350 // Register the name in the exported name registry
351 1246 sourceFile->addNameRegistryEntry(node->enumName, node->typeId, node->entry, node->enumScope, true);
352
353
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 2492 return nullptr;
354 }
355
356 4681 std::any SymbolTableBuilder::visitGenericTypeDef(GenericTypeDefNode *node) {
357 // Check if this name already exists
358
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 9362 if (rootScope->lookupStrict(node->typeName))
359
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 2 throw SemanticError(node, DUPLICATE_SYMBOL, "Duplicate symbol '" + node->typeName + "'");
360
361 // Create the generic type to the symbol table
362 4679 node->entry = rootScope->insert(node->typeName, node);
363 4679 node->entry->used = true; // Generic types are always used
364
365
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 9358 return nullptr;
366 }
367
368 711 std::any SymbolTableBuilder::visitAliasDef(AliasDefNode *node) {
369 // Check if this name already exists
370
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 1422 if (rootScope->lookupStrict(node->aliasName))
371
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 2 throw SemanticError(node, DUPLICATE_SYMBOL, "Duplicate symbol '" + node->aliasName + "'");
372
373 // Build alias qualifiers
374
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 709 if (const QualifierLstNode *qualifierLst = node->qualifierLst) {
375
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 669 for (const QualifierNode *qualifier : qualifierLst->qualifiers) {
376
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 223 if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC)
377 223 node->qualifiers.isPublic = true;
378 else
379 ✗ throw SemanticError(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on an alias definition");
380 }
381 }
382
383 // Add the alias to the symbol table
384
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 709 node->entry = rootScope->insert(node->aliasName, node);
385 // Register the name in the exported name registry
386
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 709 sourceFile->addNameRegistryEntry(node->aliasName, node->typeId, node->entry, rootScope, true);
387
388 // Add another symbol for the aliased type container
389
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 709 const std::string aliasedTypeContainerName = node->aliasName + ALIAS_CONTAINER_SUFFIX;
390
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 709 node->aliasedTypeContainerEntry = rootScope->insert(aliasedTypeContainerName, node);
391
392
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 1418 return nullptr;
393 709 }
394
395 6315 std::any SymbolTableBuilder::visitGlobalVarDef(GlobalVarDefNode *node) {
396 // Check if this name already exists
397
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 12630 if (rootScope->lookupStrict(node->varName))
398
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 2 throw SemanticError(node, DUPLICATE_SYMBOL, "Duplicate symbol '" + node->varName + "'");
399
400 // Check if global already exists in an imported source file
401
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 17757 for (const auto &dependency : sourceFile->dependencies | std::views::values)
402
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 11446 if (dependency->exportedNameRegistry.contains(node->varName))
403
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 2 throw SemanticError(node, GLOBAL_DECLARED_TWICE, "Duplicate global variable '" + node->varName + "' in other module");
404
405 // Add the global to the symbol table
406 6311 node->entry = rootScope->insert(node->varName, node);
407 // Register the name in the exported name registry
408 6311 sourceFile->addNameRegistryEntry(node->varName, TY_INVALID, node->entry, currentScope, true);
409
410
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 12622 return nullptr;
411 }
412
413 9195 std::any SymbolTableBuilder::visitExtDecl(ExtDeclNode *node) {
414 // Visit attributes
415
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 9195 if (node->attrs)
416
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 2 visit(node->attrs);
417
418 // Check if this name already exists
419
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 18390 if (rootScope->lookupStrict(node->extFunctionName))
420
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 2 throw SemanticError(node, DUPLICATE_SYMBOL, "Duplicate symbol '" + node->extFunctionName + "'");
421
422 // Create scope for the external function (this is required in case of forceSubstantiation in FunctionManager::matchFunction)
423
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 9193 rootScope->createChildScope(node->getScopeId(), ScopeType::FUNC_PROC_BODY, &node->codeLoc);
424
425 // Add the external declaration to the symbol table
426 9193 node->entry = rootScope->insert(node->extFunctionName, node);
427 // Register the name in the exported name registry
428
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 9193 const uint64_t typeId = node->returnType ? TY_FUNCTION : TY_PROCEDURE;
429 9193 sourceFile->addNameRegistryEntry(node->extFunctionName, typeId, node->entry, rootScope, /*keepNewOnCollision=*/true);
430
431
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 18386 return nullptr;
432 }
433
434 18202 std::any SymbolTableBuilder::visitUnsafeBlock(UnsafeBlockNode *node) {
435 // Create scope for the unsafe block body
436 18202 node->bodyScope = currentScope =
437
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 18202 currentScope->createChildScope(node->getScopeId(), ScopeType::UNSAFE_BODY, &node->body->codeLoc);
438
439 // Visit body
440
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 18202 visit(node->body);
441
442 // Leave thread body scope
443 18202 currentScope = node->bodyScope->parent;
444
445
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 36404 return nullptr;
446 }
447
448 6680 std::any SymbolTableBuilder::visitForLoop(ForLoopNode *node) {
449 // Create scope for the loop body
450
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 6680 node->bodyScope = currentScope = currentScope->createChildScope(node->getScopeId(), ScopeType::FOR_BODY, &node->body->codeLoc);
451
452 // Visit loop variable declaration
453
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 6680 visit(node->initDecl);
454
455 // Visit condition
456 6680 visitInExprScope(node->condAssign);
457
458 // Visit body
459
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 6680 visit(node->body);
460
461 // Leave for body scope
462 6680 currentScope = node->bodyScope->parent;
463
464
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 13360 return nullptr;
465 }
466
467 835 std::any SymbolTableBuilder::visitForeachLoop(ForeachLoopNode *node) {
468 // Create scope for the loop body
469 835 node->bodyScope = currentScope =
470
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 835 currentScope->createChildScope(node->getScopeId(), ScopeType::FOREACH_BODY, &node->body->codeLoc);
471
472 // Visit index variable declaration
473
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 835 if (node->idxVarDecl)
474
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 126 visit(node->idxVarDecl);
475
476 // Visit item variable declaration
477
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 835 visit(node->itemVarDecl);
478
479 // Visit body
480
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 835 visit(node->body);
481
482 // Leave foreach body scope
483 835 currentScope = node->bodyScope->parent;
484
485
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 1670 return nullptr;
486 }
487
488 3159 std::any SymbolTableBuilder::visitWhileLoop(WhileLoopNode *node) {
489 // Create scope for the loop body
490 3159 node->bodyScope = currentScope =
491
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 3159 currentScope->createChildScope(node->getScopeId(), ScopeType::WHILE_BODY, &node->body->codeLoc);
492
493 // Visit condition
494 3159 visitInExprScope(node->condition);
495
496 // Visit body
497
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 3159 visit(node->body);
498
499 // Leave while body scope
500 3159 currentScope = node->bodyScope->parent;
501
502
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 6318 return nullptr;
503 }
504
505 37 std::any SymbolTableBuilder::visitDoWhileLoop(DoWhileLoopNode *node) {
506 // Create scope for the loop body
507 37 node->bodyScope = currentScope =
508
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 37 currentScope->createChildScope(node->getScopeId(), ScopeType::WHILE_BODY, &node->body->codeLoc);
509
510 // Visit condition
511 37 visitInExprScope(node->condition);
512
513 // Visit body
514
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 37 visit(node->body);
515
516 // Leave do-while body scope
517 37 currentScope = node->bodyScope->parent;
518
519
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 74 return nullptr;
520 }
521
522 39650 std::any SymbolTableBuilder::visitIfStmt(IfStmtNode *node) {
523 // Create scope for the then body
524 39650 node->thenBodyScope = currentScope =
525
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 39650 currentScope->createChildScope(node->getScopeId(), ScopeType::IF_ELSE_BODY, &node->thenBody->codeLoc);
526
527 // Visit condition
528 39650 visitInExprScope(node->condition);
529
530 // Visit then body (manifestations do not exist yet, so both branches are always visited here)
531
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 39650 if (node->doCompileThenBranch(manIdx))
532
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 39650 visit(node->thenBody);
533
534 // Leave then body scope
535 39650 currentScope = node->thenBodyScope->parent;
536
537 // Visit else stmt
538
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 39650 if (node->doCompileElseBranch(manIdx) && node->elseStmt)
539
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 3063 visit(node->elseStmt);
540
541
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 79300 return nullptr;
542 }
543
544 3063 std::any SymbolTableBuilder::visitElseStmt(ElseStmtNode *node) {
545 // Visit if statement in the case of an else if branch
546
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 3063 if (node->isElseIf) {
547
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 1253 visit(node->ifStmt);
548
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 2506 return nullptr;
549 }
550
551 // Create scope for the else body
552 1810 node->elseBodyScope = currentScope =
553
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 1810 currentScope->createChildScope(node->getScopeId(), ScopeType::IF_ELSE_BODY, &node->body->codeLoc);
554
555 // Visit else body
556
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 1810 visit(node->body);
557
558 // Leave else body scope
559 1810 currentScope = node->elseBodyScope->parent;
560
561
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 3620 return nullptr;
562 }
563
564 1539 std::any SymbolTableBuilder::visitCaseBranch(CaseBranchNode *node) {
565 // Create scope for the case branch
566
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 1539 node->bodyScope = currentScope = currentScope->createChildScope(node->getScopeId(), ScopeType::CASE_BODY, &node->body->codeLoc);
567
568 // Visit case body
569
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 1539 visit(node->body);
570
571 // Leave case body scope
572 1539 currentScope = node->bodyScope->parent;
573
574
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 3078 return nullptr;
575 }
576
577 157 std::any SymbolTableBuilder::visitDefaultBranch(DefaultBranchNode *node) {
578 // Create scope for the default branch
579 157 node->bodyScope = currentScope =
580
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 157 currentScope->createChildScope(node->getScopeId(), ScopeType::DEFAULT_BODY, &node->body->codeLoc);
581
582 // Visit default body
583
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 157 visit(node->body);
584
585 // Leave default body scope
586 157 currentScope = node->bodyScope->parent;
587
588
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 314 return nullptr;
589 }
590
591 123 std::any SymbolTableBuilder::visitAnonymousBlockStmt(AnonymousBlockStmtNode *node) {
592 // Create scope for the anonymous block body
593 123 node->bodyScope = currentScope =
594
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 123 currentScope->createChildScope(node->getScopeId(), ScopeType::ANONYMOUS_BLOCK_BODY, &node->body->codeLoc);
595
596 // Visit body
597
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 123 visit(node->body);
598
599 // Leave anonymous block body scope
600 123 currentScope = node->bodyScope->parent;
601
602
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 246 return nullptr;
603 }
604
605 11084 std::any SymbolTableBuilder::visitEnumItem(EnumItemNode *node) {
606 // Check if enum item already exists in the same scope.
607
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 22168 if (currentScope->lookupStrict(node->itemName))
608
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 2 throw SemanticError(node, VARIABLE_DECLARED_TWICE, "The enum item '" + node->itemName + "' was declared more than once");
609
610 // Add enum item entry to symbol table
611
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 11082 SymbolTableEntry *enumItemEntry = currentScope->insert(node->itemName, node);
612
613 // Add external registry entry
614
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 11082 assert(node->enumDef != nullptr);
615
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 11082 const std::string name = node->enumDef->enumName + SCOPE_ACCESS_TOKEN + node->itemName;
616
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 11082 sourceFile->addNameRegistryEntry(name, TY_INT, enumItemEntry, currentScope, true);
617
618
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 22164 return nullptr;
619 11082 }
620
621 15911 std::any SymbolTableBuilder::visitField(FieldNode *node) {
622 // Check if field already exists in the same scope.
623
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 31822 if (currentScope->lookupStrict(node->fieldName))
624
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 4 throw SemanticError(node, VARIABLE_DECLARED_TWICE, "The field '" + node->fieldName + "' was declared more than once");
625
626 // Add field entry to symbol table
627 15907 currentScope->insert(node->fieldName, node);
628
629
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 31814 return nullptr;
630 }
631
632 4907 std::any SymbolTableBuilder::visitSignature(SignatureNode *node) {
633 // Build signature qualifiers
634
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 4907 if (const QualifierLstNode *qualifierLst = node->qualifierLst) {
635
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 14717 for (const QualifierNode *qualifier : qualifierLst->qualifiers) {
636
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 5087 if (qualifier->type == QualifierNode::QualifierType::TY_INLINE)
637 ✗ node->signatureQualifiers.isInline = true;
638
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 5087 else if (qualifier->type == QualifierNode::QualifierType::TY_PUBLIC)
639 4815 node->signatureQualifiers.isPublic = true;
640
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 272 else if (qualifier->type == QualifierNode::QualifierType::TY_CONST)
641 272 node->signatureQualifiers.isConst = true;
642 else
643 ✗ throw SemanticError(qualifier, QUALIFIER_AT_ILLEGAL_CONTEXT, "Cannot use this qualifier on a signature definition");
644 }
645 }
646
647 // Add signature entry to symbol table. We append the code location to disambiguate overloaded signatures
648 // (e.g. an interface declaring `getName()` and `getName(bool)`).
649
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 9814 node->entry = currentScope->insert(Function::getSymbolTableEntryName(node->methodName, node->codeLoc), node);
650
651
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 9814 return nullptr;
652 }
653
654 140075 std::any SymbolTableBuilder::visitDeclStmt(DeclStmtNode *node) {
655 // Check if variable already exists in the same scope.
656
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 280150 if (currentScope->lookupStrict(node->varName))
657
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 2 throw SemanticError(node, VARIABLE_DECLARED_TWICE, "The variable '" + node->varName + "' was declared more than once");
658
659 // Visit the right side
660
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 140073 if (node->hasAssignment)
661
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 50893 visit(node->assignExpr);
662
663 // Add variable entry to symbol table
664 140073 SymbolTableEntry *varEntry = currentScope->insert(node->varName, node);
665 140073 varEntry->isParam = node->isFctParam;
666
667
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 280146 return nullptr;
668 }
669
670 2248 std::any SymbolTableBuilder::visitModAttr(ModAttrNode *node) {
671 // Visit attributes
672
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 2248 visitChildren(node);
673
674 // Retrieve attributes
675 2246 const AttrLstNode *attrs = node->attrLst;
676
677 // Collect linker flags
678 2246 std::vector<const CompileTimeValue *> linkerFlagValues;
679 // core.linker.flag
680
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 4492 std::vector<const CompileTimeValue *> values = attrs->getAttrValuesByName(ATTR_CORE_LINKER_FLAG);
681
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 4492 linkerFlagValues.insert(linkerFlagValues.end(), values.begin(), values.end());
682 // core.linux.linker.flag
683 2246 const llvm::Triple &targetTriple = sourceFile->targetMachine->getTargetTriple();
684
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 2246 if (targetTriple.isOSLinux()) {
685
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 4444 values = attrs->getAttrValuesByName(ATTR_CORE_LINUX_LINKER_FLAG);
686
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 4444 linkerFlagValues.insert(linkerFlagValues.end(), values.begin(), values.end());
687 }
688 // core.darwin.linker.flag
689
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 2246 if (targetTriple.isOSDarwin()) {
690
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 24 values = attrs->getAttrValuesByName(ATTR_CORE_DARWIN_LINKER_FLAG);
691
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 24 linkerFlagValues.insert(linkerFlagValues.end(), values.begin(), values.end());
692 }
693 // core.windows.linker.flag
694
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 2246 if (targetTriple.isOSWindows()) {
695
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 24 values = attrs->getAttrValuesByName(ATTR_CORE_WINDOWS_LINKER_FLAG);
696
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 24 linkerFlagValues.insert(linkerFlagValues.end(), values.begin(), values.end());
697 }
698
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 7494 for (const CompileTimeValue *value : linkerFlagValues) {
699
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 3002 const std::string &flag = resourceManager.compileTimeStringValues.at(value->stringValueOffset);
700
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 3002 resourceManager.linker.addLinkerFlag(flag);
701
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 3002 sourceFile->sourceLinkerFlags.push_back(flag);
702 }
703
704 // core.linker.additionalSource
705
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 4514 for (const CompileTimeValue *value : attrs->getAttrValuesByName(ATTR_CORE_LINKER_ADDITIONAL_SOURCE)) {
706
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 24 const std::string &stringValue = resourceManager.compileTimeStringValues.at(value->stringValueOffset);
707
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 24 const std::filesystem::path additionalSourcePath = sourceFile->filePath.parent_path() / stringValue;
708
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 26 resourceManager.linker.addAdditionalSourcePath(additionalSourcePath);
709
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 22 sourceFile->sourceAdditionalSourcePaths.push_back(additionalSourcePath);
710 2272 }
711
712
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 4488 return nullptr;
713 2248 }
714
715 8288 std::any SymbolTableBuilder::visitAttr(AttrNode *node) {
716 // Check if this attribute exists
717
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 8288 const auto it = ATTR_CONFIGS.find(node->key);
718
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 8288 if (it == ATTR_CONFIGS.end())
719
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 2 throw SemanticError(node, UNKNOWN_ATTR, "Unknown attribute '" + node->key + "'");
720
721 // Check if the target is correct
722 8286 const auto &[target, type] = it->second;
723
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 8286 if ((node->target & target) == 0)
724
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 2 throw SemanticError(node, INVALID_ATTR_TARGET, "Attribute '" + node->key + "' cannot be used on this target");
725
726 // Check if a value is present
727
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 8284 if (!node->value && type != AttrNode::AttrType::TYPE_BOOL)
728
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 2 throw SemanticError(node, MISSING_ATTR_VALUE, "Attribute '" + node->key + "' requires a value");
729
730
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 16564 return nullptr;
731 }
732
733 109 std::any SymbolTableBuilder::visitLambdaFunc(LambdaFuncNode *node) {
734 // Create scope for the lambda body
735 109 const CodeLoc &codeLoc = node->body->codeLoc;
736
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 109 node->bodyScope = currentScope = currentScope->createChildScope(node->getScopeId(), ScopeType::LAMBDA_BODY, &codeLoc);
737 // Requires capturing because the LLVM IR will end up in a separate function
738 109 currentScope->symbolTable.setCapturingRequired();
739 // Set to async scope if this is an async lambda
740
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 109 if (node->lambdaAttr && node->lambdaAttr->attrLst->hasAttr(ATTR_ASYNC))
741 ✗ node->bodyScope->isAsyncScope = node->lambdaAttr->attrLst->getAttrValueByName(ATTR_ASYNC)->boolValue;
742
743 // Create symbol for 'result' variable
744
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 327 currentScope->insert(RETURN_VARIABLE_NAME, node);
745
746 // Create symbols for the parameters
747
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 109 if (node->hasParams)
748
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 99 visit(node->paramLst);
749
750 // Visit body
751
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 109 visit(node->body);
752
753 // Leave anonymous block body scope
754 109 currentScope = node->bodyScope->parent;
755
756
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 218 return nullptr;
757 }
758
759 150 std::any SymbolTableBuilder::visitLambdaProc(LambdaProcNode *node) {
760 // Create scope for the lambda body
761 150 const CodeLoc &codeLoc = node->body->codeLoc;
762
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 150 node->bodyScope = currentScope = currentScope->createChildScope(node->getScopeId(), ScopeType::LAMBDA_BODY, &codeLoc);
763 // Requires capturing because the LLVM IR will end up in a separate function
764 150 currentScope->symbolTable.setCapturingRequired();
765 // Set to async scope if this is an async lambda
766
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 182 if (node->lambdaAttr && node->lambdaAttr->attrLst->hasAttr(ATTR_ASYNC))
767
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 48 node->bodyScope->isAsyncScope = node->lambdaAttr->attrLst->getAttrValueByName(ATTR_ASYNC)->boolValue;
768
769 // Create symbols for the parameters
770
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 150 if (node->hasParams)
771
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 118 visit(node->paramLst);
772
773 // Visit body
774
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 150 visit(node->body);
775
776 // Leave anonymous block body scope
777 150 currentScope = node->bodyScope->parent;
778
779
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 300 return nullptr;
780 }
781
782 2 std::any SymbolTableBuilder::visitLambdaExpr(LambdaExprNode *node) {
783 // Create scope for the anonymous block body
784 2 const CodeLoc &codeLoc = node->lambdaExpr->codeLoc;
785
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 2 node->bodyScope = currentScope = currentScope->createChildScope(node->getScopeId(), ScopeType::LAMBDA_BODY, &codeLoc);
786 // Requires capturing because the LLVM IR will end up in a separate function
787 2 currentScope->symbolTable.setCapturingRequired();
788
789 // Create symbols for the parameters
790
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 2 if (node->hasParams)
791
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 2 visit(node->paramLst);
792
793 // Visit lambda expression
794
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 2 visit(node->lambdaExpr);
795
796 // Leave anonymous block body scope
797 2 currentScope = node->bodyScope->parent;
798
799
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 4 return nullptr;
800 }
801
802 4199 std::any SymbolTableBuilder::visitTernaryExpr(TernaryExprNode *node) {
803 // Visit condition, which is evaluated unconditionally
804
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 4199 visit(node->condition);
805
806 // Visit the branches. Only one of them is evaluated, so each one gets its own scope for its temporaries.
807 // The true branch does not exist for shortened ternaries, as the condition takes its place.
808
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 4199 if (node->trueExpr && !node->isShortened)
809 4197 visitInExprScope(node->trueExpr);
810
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 4199 if (node->falseExpr)
811 4199 visitInExprScope(node->falseExpr);
812
813
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 8398 return nullptr;
814 }
815
816 6097 std::any SymbolTableBuilder::visitLogicalOrExpr(LogicalOrExprNode *node) {
817 // Visit the first operand, which is evaluated unconditionally
818
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 6097 visit(node->operands.front());
819
820 // All further operands are only evaluated if the ones before did not short-circuit
821
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 13980 for (size_t i = 1; i < node->operands.size(); i++)
822 7883 visitInExprScope(node->operands[i]);
823
824
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 12194 return nullptr;
825 }
826
827 3695 std::any SymbolTableBuilder::visitLogicalAndExpr(LogicalAndExprNode *node) {
828 // Visit the first operand, which is evaluated unconditionally
829
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 3695 visit(node->operands.front());
830
831 // All further operands are only evaluated if the ones before did not short-circuit
832
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 8334 for (size_t i = 1; i < node->operands.size(); i++)
833 4639 visitInExprScope(node->operands[i]);
834
835
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 7390 return nullptr;
836 }
837
838 /**
839 * Visit an expression in a scope of its own. That scope holds the temporaries of the expression, which allows destructing them
840 * right after the expression was evaluated. This is required for conditions and for operands that are only evaluated
841 * conditionally, since a temporary of those must not be destructed if it never was constructed.
842 *
843 * @param expr Expression to visit
844 */
845 70444 void SymbolTableBuilder::visitInExprScope(ExprNode *expr) {
846 // Create scope for the expression
847
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 70444 currentScope = currentScope->createChildScope(expr->getExprScopeId(), ScopeType::EXPR_BODY, &expr->codeLoc);
848
849 // Visit the expression
850
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 70444 visit(expr);
851
852 // Leave expression scope
853 70444 currentScope = currentScope->parent;
854 70444 }
855
856 } // namespace spice::compiler
857