GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 96.5% 409 / 3 / 427
Functions: 92.3% 12 / 0 / 13
Branches: 53.7% 666 / 8 / 1248
src/typechecker/TypeCheckerValues.cpp
Line Branch Exec Source
1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #include "TypeChecker.h"
4
5 #include <SourceFile.h>
6 #include <ast/ASTNodes.h>
7 #include <ast/Attributes.h>
8 #include <global/GlobalResourceManager.h>
9 #include <model/GenericType.h>
10 #include <symboltablebuilder/Scope.h>
11 #include <symboltablebuilder/ScopeHandle.h>
12 #include <symboltablebuilder/SymbolTableBuilder.h>
13 #include <typechecker/Builtins.h>
14 #include <typechecker/FunctionManager.h>
15 #include <typechecker/MacroDefs.h>
16 #include <typechecker/TypeMatcher.h>
17
18 namespace spice::compiler {
19
20 66713 std::any TypeChecker::visitValue(ValueNode *node) {
21 // Function call
22
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 66713 if (node->fctCall)
23 59739 return visit(node->fctCall);
24
25 // Array initialization
26
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 6974 if (node->arrayInitialization)
27 326 return visit(node->arrayInitialization);
28
29 // Struct instantiation
30
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 6648 if (node->structInstantiation)
31 1312 return visit(node->structInstantiation);
32
33 // Lambda function
34
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 5336 if (node->lambdaFunc)
35 22 return visit(node->lambdaFunc);
36
37 // Lambda procedure
38
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 5314 if (node->lambdaProc)
39 43 return visit(node->lambdaProc);
40
41 // Lambda expression
42
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 5271 if (node->lambdaExpr)
43 1 return visit(node->lambdaExpr);
44
45 // Typed nil
46
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 5270 if (node->isNil) {
47
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 5270 const auto nilType = std::any_cast<QualType>(visit(node->nilType));
48
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 5270 HANDLE_UNRESOLVED_TYPE_ER(nilType)
49
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 5270 if (nilType.is(TY_DYN))
50 ✗ SOFT_ERROR_ER(node->nilType, UNEXPECTED_DYN_TYPE, "Nil must have an explicit type")
51
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 10540 return ExprResult{node->setEvaluatedSymbolType(nilType, manIdx)};
52 }
53
54 − throw CompilerError(UNHANDLED_BRANCH, "Value fall-through"); // GCOV_EXCL_LINE
55 }
56
57 57413 std::any TypeChecker::visitConstant(ConstantNode *node) {
58 SuperType superType;
59
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 57413 switch (node->type) {
60 1813 case ConstantNode::PrimitiveValueType::TYPE_DOUBLE:
61 1813 superType = TY_DOUBLE;
62 1813 break;
63 8022 case ConstantNode::PrimitiveValueType::TYPE_INT:
64 8022 superType = TY_INT;
65 8022 break;
66 1130 case ConstantNode::PrimitiveValueType::TYPE_SHORT:
67 1130 superType = TY_SHORT;
68 1130 break;
69 19373 case ConstantNode::PrimitiveValueType::TYPE_LONG:
70 19373 superType = TY_LONG;
71 19373 break;
72 4737 case ConstantNode::PrimitiveValueType::TYPE_CHAR:
73 4737 superType = TY_CHAR;
74 4737 break;
75 14527 case ConstantNode::PrimitiveValueType::TYPE_STRING:
76 14527 superType = TY_STRING;
77 14527 break;
78 7811 case ConstantNode::PrimitiveValueType::TYPE_BOOL:
79 7811 superType = TY_BOOL;
80 7811 break;
81 − default: // GCOV_EXCL_LINE
82 − throw CompilerError(UNHANDLED_BRANCH, "Constant fall-through"); // GCOV_EXCL_LINE
83 }
84
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 114826 return ExprResult{node->setEvaluatedSymbolType(QualType(superType), manIdx)};
85 }
86
87 59739 std::any TypeChecker::visitFctCall(FctCallNode *node) {
88
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 59739 FctCallNode::FctCallData &data = node->data.at(manIdx);
89 59739 auto &[callType, isImported, templateTypes, thisType, args, callee, calleeParentScope, compTimeVal, hasCompTimeVal] = data;
90
91 // Retrieve arg types
92 59739 args.clear();
93
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 59739 if (node->hasArgs) {
94
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 42041 args.reserve(node->argLst->args.size());
95
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 150810 for (ExprNode *arg : node->argLst->args) {
96 // Visit argument
97
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 66744 const auto argResult = std::any_cast<ExprResult>(visit(arg));
98
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 66758 HANDLE_UNRESOLVED_TYPE_ER(argResult.type)
99
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 66728 assert(!argResult.type.hasAnyGenericParts());
100 // Save arg type to arg types list
101
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 66728 args.emplace_back(argResult.type, argResult.isTemporary());
102 }
103 }
104
105 // Retrieve template types
106 59723 templateTypes.clear();
107
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 59723 if (node->hasTemplateTypes) {
108
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 15885 for (DataTypeNode *templateTypeNode : node->templateTypeLst->dataTypes) {
109
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 6085 auto templateType = std::any_cast<QualType>(visit(templateTypeNode));
110
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 6085 assert(!templateType.is(TY_INVALID));
111
112 // Abort if the type is unresolved
113
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 6085 if (templateType.is(TY_UNRESOLVED))
114 ✗ HANDLE_UNRESOLVED_TYPE_ER(templateType)
115
116 // Check if the given type is generic
117
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 6085 if (templateType.is(TY_GENERIC))
118 ✗ SOFT_ERROR_ER(templateTypeNode, EXPECTED_NON_GENERIC_TYPE, "You must specify a concrete type here")
119
120
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 6085 templateTypes.push_back(templateType);
121 }
122 }
123
124 // Check if this is a builtin call
125
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 1006925 for (const auto &[builtinFctName, _] : BUILTIN_FUNCTIONS)
126
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 952862 if (node->fqFunctionName == builtinFctName)
127
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 5660 return visitBuiltinCall(node);
128
129 // Retrieve entry of the first fragment
130 54063 const std::string &firstFrag = node->functionNameFragments.front();
131
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 54063 SymbolTableEntry *firstFragEntry = currentScope->lookup(firstFrag);
132
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 54063 if (firstFragEntry) {
133 // Check if we have seen a 'this.' prefix, because the generator needs that
134
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 36792 if (firstFragEntry->scope->type == ScopeType::STRUCT && firstFrag != THIS_VARIABLE_NAME)
135
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 2 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_VARIABLE,
136 "The symbol '" + firstFrag + "' could not be found. Missing 'this.' prefix?")
137
138 36791 firstFragEntry->used = true;
139 // Decide of which type the function call is
140
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 36791 const QualType &baseType = firstFragEntry->getQualType().getBase();
141
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 36795 HANDLE_UNRESOLVED_TYPE_ER(baseType)
142
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 36787 if (baseType.isOneOf({TY_STRUCT, TY_INTERFACE})) {
143
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 30206 if (firstFragEntry->scope->type == ScopeType::GLOBAL)
144 3855 callType = FctCallNode::FctCallType::TYPE_CTOR;
145 else
146 26351 callType = FctCallNode::FctCallType::TYPE_METHOD;
147
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 6581 } else if (baseType.isOneOf({TY_FUNCTION, TY_PROCEDURE}) && firstFragEntry->scope->type != ScopeType::GLOBAL) {
148 102 callType = FctCallNode::FctCallType::TYPE_FCT_PTR;
149 }
150 }
151
152 // Get struct name. Retrieve it from alias if required
153
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 54058 const auto &[structEntry, isAlias] = rootScope->symbolTable.lookupWithAliasResolution(node->fqFunctionName);
154
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 54058 const std::string &fqFunctionName = isAlias ? structEntry->getQualType().getSubType() : node->fqFunctionName;
155
156 // Get the concrete template types
157
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 54058 if (isAlias) {
158 // Retrieve concrete template types from type alias
159
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 1 templateTypes = structEntry->getQualType().getTemplateTypes();
160 // Check if the aliased type specified template types and the struct instantiation does
161
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 1 if (!templateTypes.empty() && node->hasTemplateTypes)
162 ✗ SOFT_ERROR_ER(node->templateTypeLst, ALIAS_WITH_TEMPLATE_LIST, "The aliased type already has a template list")
163 }
164
165 // Check if this is a method call or a normal function call
166
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 54058 if (data.isMethodCall()) {
167 // This is a method call
168
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 26351 thisType = firstFragEntry->getQualType();
169
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 26351 Scope *structBodyScope = thisType.getBase().getBodyScope();
170
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 26351 assert(structBodyScope != nullptr);
171
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 26351 if (!visitMethodCall(node, structBodyScope)) // Check if soft errors occurred
172
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 4 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
173
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 26349 assert(calleeParentScope != nullptr);
174
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 27707 } else if (data.isFctPtrCall()) {
175 // This is a function pointer call
176
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 102 const QualType &functionType = firstFragEntry->getQualType().getBase();
177
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 102 assert(functionType.isOneOf({TY_FUNCTION, TY_PROCEDURE}));
178
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 102 if (!visitFctPtrCall(node, functionType)) // Check if soft errors occurred
179 ✗ return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
180 } else {
181 // This is an ordinary function call
182
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 27605 assert(data.isOrdinaryCall() || data.isCtorCall());
183
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 27606 if (!visitOrdinaryFctCall(node, fqFunctionName)) // Check if soft errors occurred
184
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 8 return ExprResult{node->setEvaluatedSymbolType(QualType(TY_UNRESOLVED), manIdx)};
185
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 27600 assert(calleeParentScope != nullptr);
186
187 // If the call is no ordinary call, it must be a constructor, which takes a struct as this type.
188
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 27600 assert(data.isOrdinaryCall() || data.thisType.is(TY_STRUCT));
189 }
190
191
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 54051 if (!data.isFctPtrCall()) {
192 // Check if we were able to find a function
193
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 53949 if (!callee) {
194 // Build error message
195
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 14 const std::string functionName = data.isCtorCall() ? CTOR_FUNCTION_NAME : node->functionNameFragments.back();
196 12 ParamList errArgTypes;
197
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 12 errArgTypes.reserve(args.size());
198
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 19 for (const auto &type : args | std::views::keys)
199
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 7 errArgTypes.push_back({type, false});
200
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 12 const std::string signature = Function::getSignature(functionName, thisType, QualType(TY_DYN), errArgTypes, {}, false);
201 // Throw error
202
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 12 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_FUNCTION, "Function/procedure '" + signature + "' could not be found")
203 12 }
204
205 // Check if we need to request a re-visit, because the function body was not type-checked yet
206
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 53937 requestRevisitIfRequired(callee);
207
208 // Get function entry from function object
209 53937 SymbolTableEntry *functionEntry = callee->entry;
210
211 // Check if the called function has sufficient visibility
212
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 53937 isImported = calleeParentScope->isImportedBy(rootScope);
213
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 53937 if (isImported && !functionEntry->getQualType().isPublic()) {
214
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 1 const QualType functionEntryType = functionEntry->getQualType();
215
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 1 const std::string signature = callee->getSignature();
216
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 1 if (functionEntryType.is(TY_FUNCTION))
217
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 2 SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Function '" + signature + "' has insufficient visibility")
218 else
219 ✗ SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Procedure '" + signature + "' has insufficient visibility")
220 1 }
221 }
222
223 // Generate arg infos
224
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 54038 if (node->hasArgs) {
225 37639 QualTypeList paramTypes;
226
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 37639 if (data.isFctPtrCall()) {
227
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 76 const QualType &functionType = firstFragEntry->getQualType().getBase();
228
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 76 paramTypes = functionType.getFunctionParamTypes();
229 } else {
230
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 37563 assert(callee != nullptr);
231
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 37563 paramTypes = callee->getParamTypes();
232 }
233
234 37639 node->argLst->argInfos.clear();
235
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 98497 for (size_t argIdx = 0; argIdx < args.size(); argIdx++) {
236
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 60858 const QualType &expectedType = paramTypes.at(argIdx);
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 60858 const auto &[actualType, _] = args.at(argIdx);
238
239 60858 Function *copyCtor = nullptr;
240
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 60858 if (expectedType.is(TY_STRUCT) && actualType.is(TY_STRUCT) && !actualType.isTriviallyCopyable(node)) {
241
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 47 copyCtor = matchCopyCtor(actualType, node);
242 // Insert anonymous symbol to track the dtor call of the copy
243
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 47 ExprNode *argNode = node->argLst->args.at(argIdx);
244
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 47 currentScope->symbolTable.insertAnonymous(actualType, argNode, SIZE_MAX);
245 }
246
247
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 60858 node->argLst->argInfos.push_back(ArgLstNode::ArgInfo{copyCtor});
248 }
249
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 37639 assert(node->argLst->argInfos.size() == node->argLst->args.size());
250 37639 }
251
252 // Retrieve return type
253
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 107974 const bool isFct = data.isFctPtrCall() ? firstFragEntry->getQualType().getBase().is(TY_FUNCTION) : callee->isFunction();
254 54038 QualType returnType;
255
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 54038 if (data.isFctPtrCall()) {
256
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 102 returnType = isFct ? firstFragEntry->getQualType().getBase().getFunctionReturnType() : QualType(TY_BOOL);
257
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 53936 } else if (data.isCtorCall()) {
258 9924 returnType = thisType;
259
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 88024 } else if (callee->isProcedure()) {
260
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 11254 returnType = QualType(TY_DYN);
261 } else {
262 32758 returnType = callee->returnType;
263 }
264
265
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 54038 const QualType returnBaseType = returnType.getBase();
266
267 // Make sure this source file knows about the return type
268
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 54038 if (returnBaseType.is(TY_STRUCT))
269
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 17997 returnType = mapImportedScopeTypeToLocalType(returnBaseType.getBodyScope(), returnType);
270
271 // Add anonymous symbol to keep track of dtor call, if non-trivially destructible
272 54038 SymbolTableEntry *anonymousSymbol = nullptr;
273
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 54038 if (returnType.is(TY_STRUCT) && !returnType.isTriviallyDestructible(node))
274
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 9246 anonymousSymbol = currentScope->symbolTable.insertAnonymous(returnType, node);
275
276 // Remove public qualifier to not have public local variables
277 54038 returnType.getQualifiers().isPublic = false;
278
279 // Check if the return value gets discarded
280
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 54038 if (isFct && !node->hasReturnValueReceiver()) {
281 // Check if we want to ignore the discarded return value
282 1567 bool ignoreUnusedReturnValue = false;
283
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 1567 if (!data.isFctPtrCall()) {
284
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 1564 assert(callee != nullptr);
285
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 1564 auto fctDef = dynamic_cast<const FctDefNode *>(callee->declNode);
286
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 2130 ignoreUnusedReturnValue = fctDef && fctDef->attrs && fctDef->attrs->attrLst->hasAttr(ATTR_IGNORE_UNUSED_RETURN_VALUE);
287 }
288
289
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 1567 if (!ignoreUnusedReturnValue)
290
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 1303 warnings.emplace_back(node->codeLoc, UNUSED_RETURN_VALUE, "The return value of the function call is unused");
291 }
292
293
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 108076 return ExprResult{node->setEvaluatedSymbolType(returnType, manIdx), anonymousSymbol};
294 }
295
296 27605 bool TypeChecker::visitOrdinaryFctCall(FctCallNode *node, std::string fqFunctionName) const {
297
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 27605 FctCallNode::FctCallData &data = node->data.at(manIdx);
298 27605 auto &[callType, isImported, templateTypes, thisType, args, callee, calleeParentScope, compTimeVal, hasCompTimeVal] = data;
299
300 // Check if this is a well-known ctor/fct call
301
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 27605 if (node->functionNameFragments.size() == 1) {
302
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 27453 ensureLoadedRuntimeForTypeName(fqFunctionName);
303
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 27453 ensureLoadedRuntimeForFunctionName(fqFunctionName);
304 }
305
306 // Check if the type is generic (possible in case of ctor call)
307
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 27605 const QualType *genericType = rootScope->lookupGenericTypeStrict(fqFunctionName);
308
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 27605 if (genericType && typeMapping.contains(fqFunctionName)) {
309
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 1 const QualType &replacementType = typeMapping.at(fqFunctionName);
310
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 1 if (replacementType.is(TY_STRUCT))
311
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 1 fqFunctionName = replacementType.getSubType();
312 }
313
314 // Check if the exported name registry contains that function name
315
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 27605 const NameRegistryEntry *functionRegistryEntry = sourceFile->getNameRegistryEntry(fqFunctionName);
316
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 27605 if (!functionRegistryEntry) {
317
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 3 const std::string msg = "Function/procedure/struct '" + node->functionNameFragments.back() + "' could not be found";
318
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 3 SOFT_ERROR_BOOL(node, REFERENCED_UNDEFINED_FUNCTION, msg)
319 3 }
320 27602 const SymbolTableEntry *functionEntry = functionRegistryEntry->targetEntry;
321 27602 calleeParentScope = functionRegistryEntry->targetScope;
322
323 // Check if the target symbol is a struct -> this must be a constructor call
324
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 27602 std::string functionName = node->functionNameFragments.back();
325
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 27602 if (functionEntry != nullptr && functionEntry->getQualType().is(TY_STRUCT)) {
326 9927 callType = FctCallNode::FctCallType::TYPE_CTOR;
327
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 9927 functionName = CTOR_FUNCTION_NAME;
328
329 9927 const NameRegistryEntry *structRegistryEntry = functionRegistryEntry;
330 9927 const SymbolTableEntry *structEntry = functionEntry;
331
332 // Substantiate potentially generic this struct
333
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 9927 const Struct *thisStruct = structEntry->getQualType().getStruct(node, templateTypes);
334
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 9927 if (!thisStruct) {
335
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 1 const std::string signature = Struct::getSignature(structRegistryEntry->targetEntry->name, templateTypes);
336
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 1 const std::string errorMsg = "Could not find struct candidate for struct '" + signature + "'. Do the template types match?";
337
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 1 SOFT_ERROR_BOOL(node, UNKNOWN_DATATYPE, errorMsg)
338 1 }
339
340 // Set the 'this' type of the function to the struct type
341
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 9926 thisType = structEntry->getQualType().getWithBodyScope(thisStruct->scope);
342 9926 calleeParentScope = thisStruct->scope;
343 }
344
345 // Attach the concrete template types to the 'this' type
346
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 27601 if (!thisType.is(TY_DYN) && !templateTypes.empty())
347
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 1755 thisType = thisType.getWithTemplateTypes(templateTypes);
348
349 // Map local arg types to imported types
350
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 72299 for (QualType &argType : args | std::views::keys)
351
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 44698 argType = mapLocalTypeToImportedScopeType(calleeParentScope, argType);
352
353 // Map local template types to imported types
354
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 59093 for (QualType &templateType : templateTypes)
355
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 3891 templateType = mapLocalTypeToImportedScopeType(calleeParentScope, templateType);
356
357 // Retrieve function object
358 27601 Scope *matchScope = calleeParentScope;
359
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 27601 callee = FunctionManager::match(matchScope, functionName, data.thisType, data.args, templateTypes, false, node);
360
361 27600 return true;
362 27602 }
363
364 102 bool TypeChecker::visitFctPtrCall(const FctCallNode *node, const QualType &functionType) const {
365
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 102 const FctCallNode::FctCallData &data = node->data.at(manIdx);
366 102 const auto &[callType, isImported, templateTypes, thisType, args, callee, calleeParentScope, compTimeVal, hasCompTimeVal] =
367 data;
368
369 // Check if the given argument types match the type
370
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 102 const QualTypeList expectedArgTypes = functionType.getFunctionParamTypes();
371
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 102 if (args.size() != expectedArgTypes.size())
372 ✗ SOFT_ERROR_BOOL(node, REFERENCED_UNDEFINED_FUNCTION, "Expected and actual number of arguments do not match")
373
374 // Create resolver function, that always returns a nullptr
375 102 TypeMatcher::ResolverFct resolverFct = [](const std::string &) { return nullptr; };
376
377
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 201 for (size_t i = 0; i < args.size(); i++) {
378
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 99 const QualType &actualType = args.at(i).first;
379
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 99 const QualType &expectedType = expectedArgTypes.at(i);
380
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 99 if (TypeMapping tm; !TypeMatcher::matchRequestedToCandidateType(expectedType, actualType, tm, resolverFct, false))
381
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 99 SOFT_ERROR_BOOL(node->argLst->args.at(i), REFERENCED_UNDEFINED_FUNCTION,
382 "Expected " + expectedType.getName(false) + " but got " + actualType.getName(false))
383 }
384 102 return true;
385 102 }
386
387 26351 bool TypeChecker::visitMethodCall(FctCallNode *node, Scope *structScope) const {
388 26351 FctCallNode::FctCallData &data = node->data.at(manIdx);
389 26351 auto &[callType, isImported, templateTypes, thisType, args, callee, calleeParentScope, compTimeVal, hasCompTimeVal] = data;
390
391 // Traverse through structs - the first fragment is already looked up and the last one is the method name
392
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 33895 for (size_t i = 1; i < node->functionNameFragments.size() - 1; i++) {
393 7546 const std::string &identifier = node->functionNameFragments.at(i);
394
395 // Retrieve field entry
396 7546 SymbolTableEntry *fieldEntry = structScope->lookupStrict(identifier);
397
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 7546 if (!fieldEntry) {
398
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 1 std::stringstream errorMsg;
399
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 1 errorMsg << "The type '";
400
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 1 errorMsg << thisType.getBase().getName(false, true);
401
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 1 errorMsg << "' does not have a member with the name '" << identifier << "'";
402
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 1 SOFT_ERROR_BOOL(node, ACCESS_TO_NON_EXISTING_MEMBER, errorMsg.str())
403 1 }
404
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 7545 if (!fieldEntry->getQualType().getBase().isOneOf({TY_STRUCT, TY_INTERFACE}))
405
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 1 SOFT_ERROR_BOOL(node, INVALID_MEMBER_ACCESS,
406 "Cannot call a method on '" + identifier + "', since it is no struct or interface")
407 7544 fieldEntry->used = true;
408
409 // Get struct type and scope
410 7544 thisType = fieldEntry->getQualType();
411
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 7544 structScope = thisType.getBase().getBodyScope();
412
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 7544 assert(structScope != nullptr);
413 }
414
415
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 26349 if (thisType.is(TY_INTERFACE))
416 ✗ SOFT_ERROR_BOOL(node, INVALID_MEMBER_ACCESS, "Cannot call a method on an interface")
417
418 // Map local arg types to imported types
419 26349 Scope *matchScope = calleeParentScope = structScope;
420
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 42418 for (QualType &argType : args | std::views::keys)
421
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 16069 argType = mapLocalTypeToImportedScopeType(calleeParentScope, argType);
422
423 // Map local template types to imported types
424
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 53117 for (QualType &templateType : templateTypes)
425
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 419 templateType = mapLocalTypeToImportedScopeType(calleeParentScope, templateType);
426
427 // 'this' type
428
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 26349 thisType = thisType.autoDeReference();
429
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 26349 thisType = mapLocalTypeToImportedScopeType(calleeParentScope, thisType);
430
431 // Retrieve function object
432 26349 const std::string &functionName = node->functionNameFragments.back();
433 26349 callee = FunctionManager::match(matchScope, functionName, thisType, args, templateTypes, false, node);
434
435 26349 return true;
436 }
437
438 326 std::any TypeChecker::visitArrayInitialization(ArrayInitializationNode *node) {
439
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 326 if (!node->itemLst || node->itemLst->args.empty())
440
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 4 SOFT_ERROR_ER(node, ARRAY_SIZE_INVALID, "Array initializers must at least contain one value");
441 325 node->actualSize = node->itemLst->args.size();
442
443
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 325 QualType actualItemType(TY_DYN);
444 // Check if all values have the same type
445
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 2102 for (ExprNode *arg : node->itemLst->args) {
446
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 1453 const QualType itemType = std::any_cast<ExprResult>(visit(arg)).type;
447
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 1453 HANDLE_UNRESOLVED_TYPE_ER(itemType)
448
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 1453 if (actualItemType.is(TY_DYN)) // Perform type inference
449 325 actualItemType = itemType;
450
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 1128 else if (itemType != actualItemType) // Check if types are matching
451
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 2 SOFT_ERROR_ER(arg, ARRAY_ITEM_TYPE_NOT_MATCHING,
452 "All provided values have to be of the same data type. You provided " + actualItemType.getName(false) +
453 " and " + itemType.getName(false))
454 }
455
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 324 assert(!actualItemType.is(TY_DYN));
456
457
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 324 const QualType arrayType = actualItemType.toArr(node, node->actualSize, true);
458
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 648 return ExprResult{node->setEvaluatedSymbolType(arrayType, manIdx)};
459 }
460
461 1312 std::any TypeChecker::visitStructInstantiation(StructInstantiationNode *node) {
462 // Retrieve struct name
463
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 1312 const auto [aliasedEntry, isAlias] = rootScope->symbolTable.lookupWithAliasResolution(node->fqStructName);
464
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 1312 std::string structName = isAlias ? aliasedEntry->getQualType().getSubType() : node->fqStructName;
465
466 // Check if the struct type is generic
467
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 1312 const QualType *genericType = rootScope->lookupGenericTypeStrict(structName);
468
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 1312 if (genericType && typeMapping.contains(structName)) {
469
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 2 const QualType &replacementType = typeMapping.at(structName);
470
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 2 if (replacementType.is(TY_STRUCT))
471
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 2 structName = replacementType.getSubType();
472 }
473
474 // Retrieve struct
475
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 1312 const NameRegistryEntry *registryEntry = sourceFile->getNameRegistryEntry(structName);
476
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 1312 if (!registryEntry)
477
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 2 SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_STRUCT, "Cannot find struct '" + structName + "'")
478
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 1311 assert(registryEntry->targetEntry != nullptr && registryEntry->targetScope != nullptr);
479 1311 SymbolTableEntry *structEntry = registryEntry->targetEntry;
480
481 // Check visibility
482
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 1311 if (!structEntry->getQualType().isPublic() && structEntry->scope->isImportedBy(currentScope))
483
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 2 SOFT_ERROR_ER(node, INSUFFICIENT_VISIBILITY, "Struct '" + structName + "' has insufficient visibility")
484
485 // Get struct type
486
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 1310 QualType structType = structEntry->getQualType();
487
488 // Get the concrete template types
489 1310 QualTypeList concreteTemplateTypes;
490
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 1310 if (isAlias) {
491 // Retrieve concrete template types from type alias
492
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 1 concreteTemplateTypes = aliasedEntry->getQualType().getTemplateTypes();
493 // Check if the aliased type specified template types and the struct instantiation does
494
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 1 if (!concreteTemplateTypes.empty() && node->templateTypeLst)
495 ✗ SOFT_ERROR_ER(node->templateTypeLst, ALIAS_WITH_TEMPLATE_LIST, "The aliased type already has a template list")
496 }
497
498
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 1310 if (node->templateTypeLst) {
499
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 31 concreteTemplateTypes.reserve(node->templateTypeLst->dataTypes.size());
500
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 119 for (DataTypeNode *dataType : node->templateTypeLst->dataTypes) {
501
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 57 auto concreteType = std::any_cast<QualType>(visit(dataType));
502
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 57 HANDLE_UNRESOLVED_TYPE_ER(concreteType)
503 // Check if generic type
504
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 57 if (concreteType.is(TY_GENERIC))
505 ✗ SOFT_ERROR_ER(dataType, EXPECTED_NON_GENERIC_TYPE, "Struct instantiations may only take concrete template types")
506
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 57 concreteTemplateTypes.push_back(concreteType);
507 }
508 }
509
510 // Get the struct instance
511
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 1310 Struct *spiceStruct = node->instantiatedStructs.at(manIdx) = structType.getStructAndAdjustType(node, concreteTemplateTypes);
512
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 1310 if (!spiceStruct)
513 ✗ SOFT_ERROR_ER(node, REFERENCED_UNDEFINED_STRUCT,
514 "Struct '" + Struct::getSignature(structName, concreteTemplateTypes) + "' could not be found")
515
516 // Struct instantiation for an inheriting struct is forbidden, because the vtable needs to be initialized and this is done in
517 // the ctor of the struct, which is never called in case of struct instantiation
518
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 1310 if (!spiceStruct->interfaceTypes.empty())
519
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 4 SOFT_ERROR_ER(node, INVALID_STRUCT_INSTANTIATION, "Struct instantiations for inheriting structs are forbidden")
520
521 // Check if the number of fields matches
522
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 1309 if (node->fieldLst) { // Check if any fields are passed. Empty braces are also allowed
523
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 1284 if (spiceStruct->fieldTypes.size() != node->fieldLst->args.size())
524
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 4 SOFT_ERROR_ER(node->fieldLst, NUMBER_OF_FIELDS_NOT_MATCHING,
525 "You've passed too less/many field values. Pass either none or all of them")
526
527 // Check if the field types are matching
528 1283 const size_t fieldCount = spiceStruct->fieldTypes.size();
529
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 1283 const size_t explicitFieldsStartIdx = spiceStruct->scope->getFieldCount() - fieldCount;
530
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 3018 for (size_t i = 0; i < node->fieldLst->args.size(); i++) {
531 // Get actual type
532
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 1736 ExprNode *assignExpr = node->fieldLst->args.at(i);
533
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 1736 auto fieldResult = std::any_cast<ExprResult>(visit(assignExpr));
534
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 1736 HANDLE_UNRESOLVED_TYPE_ER(fieldResult.type)
535 // Get expected type
536
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 1736 SymbolTableEntry *expectedField = spiceStruct->scope->lookupField(explicitFieldsStartIdx + i);
537
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 1736 assert(expectedField != nullptr);
538
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 1736 const ExprResult expected = {expectedField->getQualType(), expectedField};
539
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 1736 const bool rhsIsImmediate = assignExpr->hasCompileTimeValue(manIdx);
540
541 // Capture anonymous info up front: getFieldAssignResultType may delete the anonymous entry (temp stealing
542 // in performStructAssign), turning fieldResult.entry into a dangling pointer.
543
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 1736 const bool rhsIsAnonymous = fieldResult.entry != nullptr && fieldResult.entry->anonymous;
544
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 1736 const std::string rhsEntryName = rhsIsAnonymous ? fieldResult.entry->name : std::string();
545
546 // Check if actual type matches expected type
547
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 1736 (void)opRuleManager.getFieldAssignResultType(assignExpr, expected, fieldResult, rhsIsImmediate, true);
548
549 // If there is an anonymous entry attached (e.g. for struct instantiation), delete it.
550 // Safe to call even if performStructAssign already deleted it: map::erase by key is a no-op when absent.
551
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 1735 if (rhsIsAnonymous) {
552
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 7 currentScope->symbolTable.deleteAnonymous(rhsEntryName);
553 7 fieldResult.entry = nullptr;
554 }
555 1736 }
556 } else {
557
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 97 if (std::ranges::any_of(spiceStruct->fieldTypes, [](const QualType &fieldType) { return fieldType.isRef(); }))
558 ✗ SOFT_ERROR_ER(node, REFERENCE_WITHOUT_INITIALIZER,
559 "The struct takes at least one reference field. You need to instantiate it with all fields.")
560 }
561
562 // Update type of struct entry
563
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 1307 structEntry->updateType(structType, true);
564
565 // Add anonymous symbol to keep track of dtor call, if non-trivially destructible
566 1307 SymbolTableEntry *anonymousEntry = nullptr;
567
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 1307 if (!structType.isTriviallyDestructible(node))
568
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 97 anonymousEntry = currentScope->symbolTable.insertAnonymous(structType, node);
569
570 // Remove public qualifier to not have public local variables
571 1307 structType.getQualifiers().isPublic = false;
572
573
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 2614 return ExprResult{node->setEvaluatedSymbolType(structType, manIdx), anonymousEntry};
574 1313 }
575
576 22 std::any TypeChecker::visitLambdaFunc(LambdaFuncNode *node) {
577 // Check if all control paths in the lambda body return
578 22 bool returnsOnAllControlPaths = true;
579
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 22 if (!node->returnsOnAllControlPaths(&returnsOnAllControlPaths, manIdx))
580
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 4 SOFT_ERROR_ER(node, MISSING_RETURN_STMT, "Not all control paths of this lambda function have a return statement")
581
582 // Change to function scope
583
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 21 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
584
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 21 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
585
586 // Visit return type
587
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 21 const auto returnType = std::any_cast<QualType>(visit(node->returnType));
588
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 21 HANDLE_UNRESOLVED_TYPE_ER(returnType)
589
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 21 if (returnType.is(TY_DYN))
590
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 4 SOFT_ERROR_ER(node, UNEXPECTED_DYN_TYPE, "Dyn return types are not allowed")
591
592 // Set the type of the result variable
593
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 60 SymbolTableEntry *resultVarEntry = currentScope->lookupStrict(RETURN_VARIABLE_NAME);
594
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 20 assert(resultVarEntry != nullptr);
595
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 20 resultVarEntry->updateType(returnType, true);
596 20 resultVarEntry->used = true;
597
598 // Visit parameters
599 20 QualTypeList paramTypes;
600 20 ParamList paramList;
601
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 20 if (node->hasParams) {
602 // Visit param list to retrieve the param names
603
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 15 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
604
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 53 for (const auto &[name, qualType, isOptional] : namedParamList) {
605
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 23 if (isOptional)
606 ✗ softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
607
608
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 23 paramTypes.push_back(qualType);
609
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 23 paramList.push_back({qualType, isOptional});
610 }
611 15 }
612
613 // Visit lambda body
614
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 20 visit(node->body);
615
616 // Leave function body scope
617
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 19 scopeHandle.leaveScopeEarly();
618
619 // Prepare type of function
620
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 19 const QualType functionType = QualType(TY_FUNCTION)
621
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 19 .getWithFunctionParamAndReturnTypes(returnType, paramTypes)
622
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 19 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
623
624 // Create function object
625
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 19 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
626
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 19 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), returnType, paramList, {}, node);
627
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 19 node->manifestations.at(manIdx).bodyScope = bodyScope;
628
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 19 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
629
630 // Check special requirements if this is an async lambda
631
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 19 (void)checkAsyncLambdaCaptureRules(node, node->lambdaAttr);
632
633
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 19 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
634 23 }
635
636 43 std::any TypeChecker::visitLambdaProc(LambdaProcNode *node) {
637 // Mark unreachable statements
638 43 bool doSetPredecessorsUnreachable = true;
639
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 43 node->returnsOnAllControlPaths(&doSetPredecessorsUnreachable, manIdx);
640
641 // Change to function scope
642
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 43 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
643
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 43 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
644
645 // Visit parameters
646 43 QualTypeList paramTypes;
647 43 ParamList paramList;
648
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 43 if (node->hasParams) {
649 // Visit param list to retrieve the param names
650
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 28 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
651
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 94 for (const auto &[_, qualType, isOptional] : namedParamList) {
652
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 38 if (isOptional)
653
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 2 softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
654
655
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 38 paramTypes.push_back(qualType);
656
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 38 paramList.push_back({qualType, isOptional});
657 }
658 28 }
659
660 // Visit lambda body
661
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 43 visit(node->body);
662
663 // Leave function body scope
664
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 43 scopeHandle.leaveScopeEarly();
665
666 // Prepare type of function
667
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 43 const QualType functionType = QualType(TY_PROCEDURE)
668
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 43 .getWithFunctionParamAndReturnTypes(QualType(TY_DYN), paramTypes)
669
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 43 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
670
671 // Create function object
672
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 43 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
673
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 43 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), QualType(TY_DYN), paramList, {}, node);
674
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 43 node->manifestations.at(manIdx).bodyScope = bodyScope;
675
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 43 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
676
677 // Check special requirements if this is an async lambda
678
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 43 (void)checkAsyncLambdaCaptureRules(node, node->lambdaAttr);
679
680
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 86 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
681 43 }
682
683 1 std::any TypeChecker::visitLambdaExpr(LambdaExprNode *node) {
684 // Change to function scope
685
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 1 Scope *bodyScope = currentScope->getChildScope(node->getScopeId());
686
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 1 ScopeHandle scopeHandle(this, bodyScope, ScopeType::LAMBDA_BODY);
687
688 // Visit parameters
689 1 QualTypeList paramTypes;
690 1 ParamList paramList;
691
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 1 if (node->hasParams) {
692 // Visit param list to retrieve the param names
693
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 1 auto namedParamList = std::any_cast<NamedParamList>(visit(node->paramLst));
694
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 4 for (const NamedParam &param : namedParamList) {
695
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 2 if (param.isOptional)
696 ✗ softError(node, LAMBDA_WITH_OPTIONAL_PARAMS, "Lambdas cannot have optional parameters");
697
698
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 2 paramTypes.push_back(param.qualType);
699
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 2 paramList.push_back({param.qualType, param.isOptional});
700 }
701 1 }
702
703 // Visit lambda expression
704
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 1 const QualType returnType = std::any_cast<ExprResult>(visit(node->lambdaExpr)).type;
705
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 1 HANDLE_UNRESOLVED_TYPE_ER(returnType)
706
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 1 if (returnType.is(TY_DYN))
707 ✗ SOFT_ERROR_ER(node, UNEXPECTED_DYN_TYPE, "Dyn return types are not allowed")
708
709 // Leave function body scope
710
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 1 scopeHandle.leaveScopeEarly();
711
712 // Prepare type of function
713
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 1 const SuperType superType = returnType.is(TY_DYN) ? TY_PROCEDURE : TY_FUNCTION;
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 1 const QualType functionType = QualType(superType)
715
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 1 .getWithFunctionParamAndReturnTypes(returnType, paramTypes)
716
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 1 .getWithLambdaCaptures(!bodyScope->symbolTable.captures.empty());
717
718 // Create function object
719
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 1 const std::string fctName = "lambda." + node->codeLoc.toPrettyLineAndColumn();
720
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 1 node->manifestations.at(manIdx) = Function(fctName, nullptr, QualType(TY_DYN), returnType, paramList, {}, node);
721
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 1 node->manifestations.at(manIdx).bodyScope = bodyScope;
722
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 1 node->manifestations.at(manIdx).mangleSuffix = "." + std::to_string(manIdx);
723
724
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 1 return ExprResult{node->setEvaluatedSymbolType(functionType, manIdx)};
725 1 }
726
727 } // namespace spice::compiler
728