GCC Code Coverage Report

Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 98.3% 225 / 1 / 230
Functions: 100.0% 45 / 0 / 45
Branches: 59.8% 268 / 6 / 454
src/symboltablebuilder/Type.cpp
Line Branch Exec Source
1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #include "Type.h"
4
5 #include <utility>
6
7 #include <SourceFile.h>
8 #include <ast/Attributes.h>
9 #include <driver/Driver.h>
10 #include <exception/CompilerError.h>
11 #include <exception/SemanticError.h>
12 #include <global/GlobalResourceManager.h>
13 #include <global/TypeRegistry.h>
14 #include <irgenerator/NameMangling.h>
15 #include <model/Struct.h>
16 #include <symboltablebuilder/Scope.h>
17 #include <symboltablebuilder/SymbolTableEntry.h>
18
19 #include <llvm/IR/Module.h>
20 #include <llvm/IR/Type.h>
21
22 namespace spice::compiler {
23
24
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 4354731 Type::Type(SuperType superType) : typeChain({TypeChainElement{superType}}) {}
25
26
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 5616 Type::Type(SuperType superType, const std::string &subType) : typeChain({TypeChainElement{superType, subType}}) {}
27
28 1265 Type::Type(SuperType superType, const std::string &subType, uint64_t typeId, const TypeChainElementData &data,
29 1265 const QualTypeList &templateTypes)
30
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 3795 : typeChain({TypeChainElement(superType, subType, typeId, data, templateTypes)}) {}
31
32 1569009 Type::Type(TypeChain typeChain) : typeChain(std::move(typeChain)) {}
33
34 /**
35 * Get the super type of the current type
36 *
37 * @return Super type
38 */
39 10551720 SuperType Type::getSuperType() const {
40
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 10551720 assert(!typeChain.empty());
41 10551720 return typeChain.back().superType;
42 }
43
44 /**
45 * Get the sub type of the current type
46 *
47 * @return Sub type
48 */
49 324461 const std::string &Type::getSubType() const {
50
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 324461 assert(!typeChain.empty());
51
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 324461 assert(isOneOf({TY_STRUCT, TY_INTERFACE, TY_ENUM, TY_GENERIC}));
52 324461 return typeChain.back().subType;
53 }
54
55 /**
56 * Get the array size of the current type
57 *
58 * @return Array size
59 */
60 684 unsigned int Type::getArraySize() const {
61
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 684 assert(isArray());
62 684 return typeChain.back().data.arraySize;
63 }
64
65 /**
66 * Get the body scope of the current type
67 *
68 * @return Body scope
69 */
70 141168 Scope *Type::getBodyScope() const {
71
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 141168 assert(isOneOf({TY_STRUCT, TY_INTERFACE}));
72 141168 return typeChain.back().data.bodyScope;
73 }
74
75 /**
76 * Get the pointer type of the current type as a new type
77 *
78 * @param node AST node for error messages
79 * @return Pointer type of the current type
80 */
81 25778 const Type *Type::toPtr(const ASTNode *node) const {
82 // Do not allow pointers of dyn
83
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 25778 if (is(TY_DYN))
84
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 6 throw SemanticError(node, DYN_POINTERS_NOT_ALLOWED, "Just use the dyn type without '*' instead");
85
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 25776 if (isRef())
86 ✗ throw SemanticError(node, REF_POINTERS_ARE_NOT_ALLOWED, "Pointers to references are not allowed. Use pointer instead");
87
88 // Create new type chain
89
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 25776 TypeChain newTypeChain = typeChain;
90
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 25776 newTypeChain.emplace_back(TY_PTR);
91
92 // Register new type or return if already registered
93
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 51552 return TypeRegistry::getOrInsert(newTypeChain);
94 25776 }
95
96 /**
97 * Get the reference type of the current type as a new type
98 *
99 * @param node AST node for error messages
100 * @return Reference type of the current type
101 */
102 13274 const Type *Type::toRef(const ASTNode *node) const {
103 // Do not allow references of dyn
104
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 13274 if (is(TY_DYN))
105 ✗ throw SemanticError(node, DYN_REFERENCES_NOT_ALLOWED, "Just use the dyn type without '&' instead");
106 // Do not allow references of references
107
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 13274 if (isRef())
108 ✗ throw SemanticError(node, MULTI_REF_NOT_ALLOWED, "References to references are not allowed");
109
110 // Create new type chain
111
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 13274 TypeChain newTypeChain = typeChain;
112
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 13274 newTypeChain.emplace_back(TY_REF);
113
114 // Register new type or return if already registered
115
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 26548 return TypeRegistry::getOrInsert(newTypeChain);
116 13274 }
117
118 /**
119 * Get the array type of the current type as a new type
120 *
121 * @param node AST node for error messages
122 * @param size Size of the array
123 * @param skipDynCheck Skip check if array base type is dyn
124 * @return Array type of the current type
125 */
126 235 const Type *Type::toArr(const ASTNode *node, unsigned int size, bool skipDynCheck) const {
127 // Do not allow arrays of dyn
128
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 235 if (!skipDynCheck && typeChain.back().superType == TY_DYN)
129
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 3 throw SemanticError(node, DYN_ARRAYS_NOT_ALLOWED, "Just use the dyn type without '[]' instead");
130
131 // Create new type chain
132
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 234 TypeChain newTypeChain = typeChain;
133
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 234 newTypeChain.emplace_back(TY_ARRAY, TypeChainElementData{.arraySize = size});
134
135 // Register new type or return if already registered
136
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 468 return TypeRegistry::getOrInsert(newTypeChain);
137 234 }
138
139 /**
140 * Retrieve the base type of an array or a pointer
141 *
142 * @return Base type
143 */
144 143326 const Type *Type::getContained() const {
145
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 143326 if (is(TY_STRING))
146
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 1624 return TypeRegistry::getOrInsert(TY_CHAR);
147
148 // Create new type chain
149
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 141702 TypeChain newTypeChain = typeChain;
150
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 141702 assert(newTypeChain.size() > 1);
151 141702 newTypeChain.pop_back();
152
153 // Register new type or return if already registered
154
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 141702 return TypeRegistry::getOrInsert(newTypeChain);
155 141702 }
156
157 /**
158 * Replace the base type with another one
159 *
160 * @param newBaseType New base type
161 * @return The new type
162 */
163 21352 const Type *Type::replaceBase(const Type *newBaseType) const {
164
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 21352 assert(!typeChain.empty());
165
166 // Create new type
167
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 21352 TypeChain newTypeChain = newBaseType->typeChain;
168
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 21352 const bool doubleRef = newTypeChain.back().superType == TY_REF && typeChain.back().superType == TY_REF;
169
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 23177 for (size_t i = 1; i < typeChain.size(); i++)
170
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 1825 if (!doubleRef || i > 1)
171
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 1783 newTypeChain.push_back(typeChain.at(i));
172
173 // Register new type or return if already registered
174
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 42704 return TypeRegistry::getOrInsert(newTypeChain);
175 21352 }
176
177 /**
178 * Remove reference wrapper from the current type
179 *
180 * @return Type without reference wrapper
181 */
182
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 38822 const Type *Type::removeReferenceWrapper() const { return isRef() ? getContained() : this; }
183
184 /**
185 * Return the LLVM type for this symbol type
186 *
187 * @param sourceFile Referenced source file
188 * @return Corresponding LLVM type
189 */
190 8663 llvm::Type *Type::toLLVMType(SourceFile *sourceFile) const { // NOLINT(misc-no-recursion)
191
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 8663 assert(!typeChain.empty() && !is(TY_INVALID));
192
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 8663 llvm::LLVMContext &context = sourceFile->cliOptions.useLTO ? sourceFile->resourceManager.ltoContext : sourceFile->context;
193
194
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 8663 if (isOneOf({TY_PTR, TY_REF, TY_STRING}) || (isArray() && getArraySize() == 0))
195 4198 return llvm::PointerType::get(context, 0);
196
197
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 4465 if (isArray()) {
198
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 37 assert(getArraySize() > 0);
199 37 llvm::Type *containedType = sourceFile->getLLVMType(getContained());
200 37 return llvm::ArrayType::get(containedType, getArraySize());
201 }
202
203
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 4428 assert(!hasAnyGenericParts());
204
205
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 4428 if (is(TY_DOUBLE))
206 82 return llvm::Type::getDoubleTy(context);
207
208
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 4346 if (isOneOf({TY_INT, TY_ENUM}))
209 728 return llvm::Type::getInt32Ty(context);
210
211
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 3618 if (is(TY_SHORT))
212 67 return llvm::Type::getInt16Ty(context);
213
214
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 3551 if (is(TY_LONG))
215 439 return llvm::Type::getInt64Ty(context);
216
217
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 3112 if (isOneOf({TY_CHAR, TY_BYTE}))
218 402 return llvm::Type::getInt8Ty(context);
219
220
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 2710 if (is(TY_BOOL))
221 513 return llvm::Type::getInt1Ty(context);
222
223
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 2197 if (isOneOf({TY_STRUCT, TY_INTERFACE})) {
224
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 2112 const Scope *structBodyScope = getBodyScope();
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 2112 const std::string structSignature = Struct::getSignature(getSubType(), getTemplateTypes());
226
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 2112 const SymbolTableEntry *structSymbol = structBodyScope->parent->lookupStrict(structSignature);
227
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 2112 assert(structSymbol != nullptr);
228
229 // Collect concrete field types
230 2112 std::string mangledName;
231 2112 std::vector<llvm::Type *> fieldTypes;
232 2112 bool isPacked = false;
233
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 2112 if (is(TY_STRUCT)) { // Struct
234
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 1855 const Struct *spiceStruct = structSymbol->getQualType().getStruct(structSymbol->declNode);
235
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 1855 assert(spiceStruct != nullptr);
236
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 1855 mangledName = NameMangling::mangleStruct(*spiceStruct);
237
238
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 1855 const size_t totalFieldCount = spiceStruct->scope->getFieldCount();
239
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 1855 fieldTypes.reserve(totalFieldCount);
240
241 // If the struct has no interface types, but a vtable was requested, add another ptr field type
242
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 1855 assert(structSymbol->declNode->isStructDef());
243
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 1855 const auto structDeclNode = spice_pointer_cast<StructDefNode *>(structSymbol->declNode);
244
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 1855 if (!structDeclNode->hasInterfaces && structDeclNode->emitVTable)
245
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 50 fieldTypes.push_back(llvm::PointerType::get(context, 0));
246
247 // Collect all field types
248
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 6552 for (size_t i = 0; i < totalFieldCount; i++) {
249
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 4697 const SymbolTableEntry *fieldSymbol = spiceStruct->scope->lookupField(i);
250
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 4697 assert(fieldSymbol != nullptr);
251
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 4697 fieldTypes.push_back(sourceFile->getLLVMType(fieldSymbol->getQualType().getType()));
252 }
253
254 // Check if the struct is declared as packed
255
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 1957 if (structDeclNode->attrs && structDeclNode->attrs->attrLst->hasAttr(ATTR_CORE_COMPILER_PACKED))
256
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 3 isPacked = structDeclNode->attrs->attrLst->getAttrValueByName(ATTR_CORE_COMPILER_PACKED)->boolValue;
257 } else { // Interface
258
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 257 const Interface *spiceInterface = structSymbol->getQualType().getInterface(structSymbol->declNode);
259
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 257 assert(spiceInterface != nullptr);
260
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 257 mangledName = NameMangling::mangleInterface(*spiceInterface);
261
262 // vtable pointer
263
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 257 fieldTypes.push_back(llvm::PointerType::get(context, 0));
264 }
265
266
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 2112 return llvm::StructType::create(context, fieldTypes, mangledName, isPacked);
267 2112 }
268
269
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 85 if (isOneOf({TY_FUNCTION, TY_PROCEDURE})) {
270 85 llvm::PointerType *ptrTy = llvm::PointerType::get(context, 0);
271
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 85 return llvm::StructType::get(context, {ptrTy, ptrTy});
272 }
273
274 − throw CompilerError(UNHANDLED_BRANCH, "Cannot determine LLVM type of " + getName(true, true, true)); // GCOVR_EXCL_LINE
275 }
276
277 /**
278 * Check if the base type of the current type chain is of a certain super type
279 *
280 * @param superType Super type to check for
281 * @return Applicable or not
282 */
283 500768 bool Type::isBase(SuperType superType) const {
284
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 500768 assert(!typeChain.empty());
285 500768 return typeChain.front().superType == superType;
286 }
287
288 /**
289 * Check if the current type is a primitive type
290 *
291 * @return Primitive type or not
292 */
293
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 127457 bool Type::isPrimitive() const { return isOneOf({TY_DOUBLE, TY_INT, TY_SHORT, TY_LONG, TY_BYTE, TY_CHAR, TY_STRING, TY_BOOL}); }
294
295 /**
296 * Check if the type is an extended primitive type
297 * The definition of extended primitive types contains all primitive types plus the following:
298 * - structs
299 * - interfaces
300 * - functions/procedures
301 *
302 * @return Extended primitive or not
303 */
304
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 101586 bool Type::isExtendedPrimitive() const { return isPrimitive() || isOneOf({TY_STRUCT, TY_INTERFACE, TY_FUNCTION, TY_PROCEDURE}); }
305
306 /**
307 * Check if the current type is a pointer type
308 *
309 * @return Pointer type or not
310 */
311 492987 bool Type::isPtr() const { return getSuperType() == TY_PTR; }
312
313 /**
314 * Check if the current type is a reference type
315 *
316 * @return Reference type or not
317 */
318 1062375 bool Type::isRef() const { return getSuperType() == TY_REF; }
319
320 /**
321 * Check if the current type is an array type
322 *
323 * @return Array type or not
324 */
325 154342 bool Type::isArray() const { return getSuperType() == TY_ARRAY; }
326
327 /**
328 * Check if the current type is of the same container type like the other type.
329 * Only TY_PTR, TY_REF and TY_ARRAY are considered as container types.
330 *
331 * @param other Other symbol type
332 * @return Same container type or not
333 */
334 106875 bool Type::isSameContainerTypeAs(const Type *other) const {
335
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 106875 const bool bothPtr = isPtr() && other->isPtr();
336
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 106875 const bool bothRef = isRef() && other->isRef();
337
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 106875 const bool bothArray = isArray() && other->isArray();
338
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 106875 return bothPtr || bothRef || bothArray;
339 }
340
341 /**
342 * Retrieve the base type of the current type
343 *
344 * @return Base type
345 */
346 1317616 const Type *Type::getBase() const {
347
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 1317616 assert(!typeChain.empty());
348
349 // Create new type chain
350
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 3952848 const TypeChain newTypeChain = {typeChain.front()};
351
352 // Register new type or return if already registered
353
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 2635232 return TypeRegistry::getOrInsert(newTypeChain);
354
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 2635232 }
355
356 /**
357 * Retrieve the same type, but with lambda captures
358 *
359 * @return Type with lambda captures
360 */
361 40 const Type *Type::getWithLambdaCaptures(bool enabled) const {
362
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 40 assert(getBase()->isOneOf({TY_FUNCTION, TY_PROCEDURE}));
363
364 // Create new type chain
365
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 40 TypeChain newTypeChain = typeChain;
366 40 newTypeChain.front().data.hasCaptures = enabled;
367
368 // Register new type or return if already registered
369
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 80 return TypeRegistry::getOrInsert(newTypeChain);
370 40 }
371
372 /**
373 * Retrieve the same type, but with the body scope removed
374 *
375 * @return Type with body scope removed
376 */
377 25122 const Type *Type::getWithBodyScope(Scope *bodyScope) const {
378
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 25122 assert(getBase()->isOneOf({TY_STRUCT, TY_INTERFACE}));
379
380 // Create new type chain
381
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 25122 TypeChain newTypeChain = typeChain;
382 25122 newTypeChain.front().data.bodyScope = bodyScope;
383
384 // Register new type or return if already registered
385
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 50244 return TypeRegistry::getOrInsert(newTypeChain);
386 25122 }
387
388 /**
389 * Retrieve the same type, but with the given template types
390 *
391 * @return Type with new template types
392 */
393 4092 const Type *Type::getWithTemplateTypes(const QualTypeList &templateTypes) const {
394
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 4092 assert(isOneOf({TY_STRUCT, TY_INTERFACE}));
395 4092 return getWithBaseTemplateTypes(templateTypes);
396 }
397
398 /**
399 * Retrieve the same type, but with the given base template types
400 *
401 * @return Type with new base template types
402 */
403 9228 const Type *Type::getWithBaseTemplateTypes(const QualTypeList &templateTypes) const {
404
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 9228 assert(getBase()->isOneOf({TY_STRUCT, TY_INTERFACE}));
405
406 // Create new type chain
407
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 9228 TypeChain newTypeChain = typeChain;
408
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 9228 newTypeChain.front().templateTypes = templateTypes;
409
410 // Register new type or return if already registered
411
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 18456 return TypeRegistry::getOrInsert(newTypeChain);
412 9228 }
413
414 /**
415 * Retrieve the same type, but with the param and return types removed
416 *
417 * @return Type with param and return types removed
418 */
419 14665 const Type *Type::getWithFunctionParamAndReturnTypes(const QualTypeList &paramAndReturnTypes) const {
420
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 14665 assert(getBase()->isOneOf({TY_FUNCTION, TY_PROCEDURE}));
421
422 // Create new type chain
423
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 14665 TypeChain newTypeChain = typeChain;
424
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 14665 newTypeChain.front().paramTypes = paramAndReturnTypes;
425
426 // Register new type or return if already registered
427
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 29330 return TypeRegistry::getOrInsert(newTypeChain);
428 14665 }
429
430 /**
431 * Checks if the base type is generic itself or has generic parts in its template types
432 *
433 * @return Contains generic parts or not
434 */
435 382014 bool Type::hasAnyGenericParts() const { // NOLINT(misc-no-recursion)
436
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 382014 const Type *baseType = getBase();
437
438 // Check if the type itself is generic
439
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 382014 if (baseType->is(TY_GENERIC))
440 69622 return true;
441
442 // Check if the type has generic template types
443
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 312392 const auto templateTypes = baseType->getTemplateTypes();
444
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 376963 if (std::ranges::any_of(templateTypes, [](const QualType &t) { return t.hasAnyGenericParts(); }))
445 23656 return true;
446
447 // Check param and return types or functions/procedures
448
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 288736 if (baseType->isOneOf({TY_FUNCTION, TY_PROCEDURE})) {
449
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 378 const auto paramTypes = baseType->getFunctionParamAndReturnTypes();
450
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 1131 if (std::ranges::any_of(paramTypes, [](const QualType &t) { return t.hasAnyGenericParts(); }))
451 55 return true;
452
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 378 }
453
454 288681 return false; // Does not have generic parts
455 312392 }
456
457 /**
458 * Retrieve template types of the current type
459 *
460 * @return Vector of template types
461 */
462 410748 const QualTypeList &Type::getTemplateTypes() const { return typeChain.back().templateTypes; }
463
464 /**
465 * Check if the current type is of a certain super type
466 *
467 * @return Applicable or not
468 */
469 7788397 bool Type::is(SuperType superType) const { return getSuperType() == superType; }
470
471 /**
472 * Check if the current type is one of a list of super types
473 *
474 * @return Applicable or not
475 */
476 1676111 bool Type::isOneOf(const std::initializer_list<SuperType> &superTypes) const {
477 5597864 return std::ranges::any_of(superTypes, [this](SuperType superType) { return is(superType); });
478 }
479
480 /**
481 * Get the name of the symbol type as a string
482 *
483 * @param name Get name of type
484 * @param withSize Include the array size for sized types
485 * @param ignorePublic Ignore any potential public qualifier
486 * @param withAliases Print aliases as is and not decompose them
487 * @return Symbol type name
488 */
489 521951 void Type::getName(std::stringstream &name, bool withSize, bool ignorePublic, bool withAliases) const {
490 // Loop through all chain elements
491
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 1168434 for (const TypeChainElement &chainElement : typeChain)
492
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 646483 name << chainElement.getName(withSize, ignorePublic, withAliases);
493 521951 }
494
495 /**
496 * Get the name of the symbol type as a string
497 *
498 * @param withSize Include the array size for sized types
499 * @param ignorePublic Ignore any potential public qualifier
500 * @param withAliases Print aliases as is and not decompose them
501 * @return Symbol type name
502 */
503 16438 std::string Type::getName(bool withSize, bool ignorePublic, bool withAliases) const {
504
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 16438 std::stringstream name;
505
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 16438 getName(name, withSize, ignorePublic, withAliases);
506
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 32876 return name.str();
507 16438 }
508
509 /**
510 * Get the return type of function type
511 *
512 * @return Function return type
513 */
514 39 const QualType &Type::getFunctionReturnType() const {
515
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 39 assert(is(TY_FUNCTION));
516
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 39 assert(!typeChain.back().paramTypes.empty());
517 39 return typeChain.back().paramTypes.front();
518 }
519
520 /**
521 * Get the param types of a function or procedure type
522 *
523 * @return Function param types
524 */
525 138 QualTypeList Type::getFunctionParamTypes() const {
526
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 138 assert(isOneOf({TY_FUNCTION, TY_PROCEDURE}));
527
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 138 if (typeChain.back().paramTypes.empty())
528 ✗ return {};
529
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 414 return {typeChain.back().paramTypes.begin() + 1, typeChain.back().paramTypes.end()};
530 }
531
532 /**
533 * Check if a function or procedure type has captures
534 *
535 * @return Has captures
536 */
537 151 bool Type::hasLambdaCaptures() const {
538
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 151 assert(getBase()->isOneOf({TY_FUNCTION, TY_PROCEDURE}));
539 151 return typeChain.front().data.hasCaptures;
540 }
541
542 /**
543 * Get the param and return types of a function or procedure base type
544 *
545 * @return Function param and return types (first is return type, rest are param types)
546 */
547 440 const QualTypeList &Type::getFunctionParamAndReturnTypes() const {
548
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 440 assert(getBase()->isOneOf({TY_FUNCTION, TY_PROCEDURE}));
549 440 return typeChain.front().paramTypes;
550 }
551
552 /**
553 * Check for the matching compatibility of two types.
554 * Useful for struct and function matching as well as assignment type validation and function arg matching.
555 *
556 * @param otherType Type to compare against
557 * @param ignoreArraySize Ignore array sizes
558 * @return Matching or not
559 */
560 132972 bool Type::matches(const Type *otherType, bool ignoreArraySize) const {
561 // If the size does not match, it is not equal
562
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 132972 if (typeChain.size() != otherType->typeChain.size())
563 15168 return false;
564
565 // Compare the elements
566
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 206097 for (size_t i = 0; i < typeChain.size(); i++) {
567 126538 const TypeChainElement &lhsElement = typeChain.at(i);
568 126538 const TypeChainElement &rhsElement = otherType->typeChain.at(i);
569
570 // Ignore differences in array size
571
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 126538 if (ignoreArraySize && lhsElement.superType == TY_ARRAY && rhsElement.superType == TY_ARRAY)
572 2 continue;
573
574 // Not both types are arrays -> compare them as usual
575
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 126536 if (lhsElement != rhsElement)
576 38245 return false;
577 }
578
579 79559 return true;
580 }
581
582 /**
583 * Remove pointers / arrays / references if both types have them as far as possible.
584 *
585 * @param typeA Candidate type
586 * @param typeB Requested type
587 */
588 97899 void Type::unwrapBoth(const Type *&typeA, const Type *&typeB) {
589 // Unwrap both types as far as possible
590
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 104045 while (typeA->isSameContainerTypeAs(typeB)) {
591 6146 typeB = typeB->getContained();
592 6146 typeA = typeA->getContained();
593 }
594 97899 }
595
596 /**
597 * Remove pointers / arrays / references if both types have them as far as possible.
598 * Furthermore, remove reference wrappers if possible.
599 *
600 * @param typeA Candidate type
601 * @param typeB Requested type
602 */
603 96756 void Type::unwrapBothWithRefWrappers(const Type *&typeA, const Type *&typeB) {
604 // Remove reference wrapper of front type if required
605
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 96756 if (typeA->isRef() && !typeB->isRef())
606 35924 typeA = typeA->removeReferenceWrapper();
607
608 // Remove reference wrapper of requested type if required
609
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 96756 if (!typeA->isRef() && typeB->isRef() && !typeA->getBase()->is(TY_GENERIC))
610 2898 typeB = typeB->removeReferenceWrapper();
611
612 // Unwrap both types as far as possible
613 96756 unwrapBoth(typeA, typeB);
614 96756 }
615
616 /**
617 * Check if two types have the same type chain depth
618 *
619 * @param typeA First type
620 * @param typeB Second type
621 * @return Same depth or not
622 */
623 20875 bool Type::hasSameTypeChainDepth(const Type *typeA, const Type *typeB) {
624 20875 return typeA->typeChain.size() == typeB->typeChain.size();
625 }
626
627 } // namespace spice::compiler
628