GCC Code Coverage Report

Directory: ../
File: src/symboltablebuilder/Type.cpp
Date: 2025-09-16 22:31:20
Exec Total Coverage
Lines: 225 230 97.8%
Functions: 44 44 100.0%
Branches: 266 450 59.1%
Line Branch Exec Source
1 // Copyright (c) 2021-2025 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 <exception/CompilerError.h>
10 #include <exception/SemanticError.h>
11 #include <global/TypeRegistry.h>
12 #include <irgenerator/NameMangling.h>
13 #include <model/Struct.h>
14 #include <symboltablebuilder/Scope.h>
15 #include <symboltablebuilder/SymbolTableEntry.h>
16
17 #include <llvm/IR/Module.h>
18 #include <llvm/IR/Type.h>
19
20 namespace spice::compiler {
21
22
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 13635531 Type::Type(SuperType superType) : typeChain({TypeChainElement{superType}}) {}
23
24
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 4821 Type::Type(SuperType superType, const std::string &subType) : typeChain({TypeChainElement{superType, subType}}) {}
25
26 1063 Type::Type(SuperType superType, const std::string &subType, uint64_t typeId, const TypeChainElementData &data,
27 1063 const QualTypeList &templateTypes)
28
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 3189 : typeChain({TypeChainElement(superType, subType, typeId, data, templateTypes)}) {}
29
30 1216190 Type::Type(TypeChain typeChain) : typeChain(std::move(typeChain)) {}
31
32 /**
33 * Get the super type of the current type
34 *
35 * @return Super type
36 */
37 7842553 SuperType Type::getSuperType() const {
38
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 7842553 assert(!typeChain.empty());
39 7842553 return typeChain.back().superType;
40 }
41
42 /**
43 * Get the sub type of the current type
44 *
45 * @return Sub type
46 */
47 183081 const std::string &Type::getSubType() const {
48
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 183081 assert(!typeChain.empty());
49
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 183081 assert(isOneOf({TY_STRUCT, TY_INTERFACE, TY_ENUM, TY_GENERIC}));
50 183081 return typeChain.back().subType;
51 }
52
53 /**
54 * Get the array size of the current type
55 *
56 * @return Array size
57 */
58 560 unsigned int Type::getArraySize() const {
59
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 560 assert(isArray());
60 560 return typeChain.back().data.arraySize;
61 }
62
63 /**
64 * Get the body scope of the current type
65 *
66 * @return Body scope
67 */
68 134440 Scope *Type::getBodyScope() const {
69
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 134440 assert(isOneOf({TY_STRUCT, TY_INTERFACE}));
70 134440 return typeChain.back().data.bodyScope;
71 }
72
73 /**
74 * Get the pointer type of the current type as a new type
75 *
76 * @param node AST node for error messages
77 * @return Pointer type of the current type
78 */
79 14477 const Type *Type::toPtr(const ASTNode *node) const {
80 // Do not allow pointers of dyn
81
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 14477 if (is(TY_DYN))
82
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 6 throw SemanticError(node, DYN_POINTERS_NOT_ALLOWED, "Just use the dyn type without '*' instead");
83
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 14475 if (isRef())
84 ✗ throw SemanticError(node, REF_POINTERS_ARE_NOT_ALLOWED, "Pointers to references are not allowed. Use pointer instead");
85
86 // Create new type chain
87
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 14475 TypeChain newTypeChain = typeChain;
88
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 14475 newTypeChain.emplace_back(TY_PTR);
89
90 // Register new type or return if already registered
91
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 28950 return TypeRegistry::getOrInsert(newTypeChain);
92 14475 }
93
94 /**
95 * Get the reference type of the current type as a new type
96 *
97 * @param node AST node for error messages
98 * @return Reference type of the current type
99 */
100 11104 const Type *Type::toRef(const ASTNode *node) const {
101 // Do not allow references of dyn
102
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 11104 if (is(TY_DYN))
103 ✗ throw SemanticError(node, DYN_REFERENCES_NOT_ALLOWED, "Just use the dyn type without '&' instead");
104 // Do not allow references of references
105
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 11104 if (isRef())
106 ✗ throw SemanticError(node, MULTI_REF_NOT_ALLOWED, "References to references are not allowed");
107
108 // Create new type chain
109
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 11104 TypeChain newTypeChain = typeChain;
110
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 11104 newTypeChain.emplace_back(TY_REF);
111
112 // Register new type or return if already registered
113
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 22208 return TypeRegistry::getOrInsert(newTypeChain);
114 11104 }
115
116 /**
117 * Get the array type of the current type as a new type
118 *
119 * @param node AST node for error messages
120 * @param size Size of the array
121 * @param skipDynCheck Skip check if array base type is dyn
122 * @return Array type of the current type
123 */
124 218 const Type *Type::toArr(const ASTNode *node, unsigned int size, bool skipDynCheck) const {
125 // Do not allow arrays of dyn
126
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 218 if (!skipDynCheck && typeChain.back().superType == TY_DYN)
127
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 3 throw SemanticError(node, DYN_ARRAYS_NOT_ALLOWED, "Just use the dyn type without '[]' instead");
128
129 // Create new type chain
130
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 217 TypeChain newTypeChain = typeChain;
131
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 217 newTypeChain.emplace_back(TY_ARRAY, TypeChainElementData{.arraySize = size});
132
133 // Register new type or return if already registered
134
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 434 return TypeRegistry::getOrInsert(newTypeChain);
135 217 }
136
137 /**
138 * Retrieve the base type of an array or a pointer
139 *
140 * @return Base type
141 */
142 99272 const Type *Type::getContained() const {
143
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 99272 if (is(TY_STRING))
144
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 1374 return TypeRegistry::getOrInsert(TY_CHAR);
145
146 // Create new type chain
147
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 97898 TypeChain newTypeChain = typeChain;
148
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 97898 assert(newTypeChain.size() > 1);
149 97898 newTypeChain.pop_back();
150
151 // Register new type or return if already registered
152
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 97898 return TypeRegistry::getOrInsert(newTypeChain);
153 97898 }
154
155 /**
156 * Replace the base type with another one
157 *
158 * @param newBaseType New base type
159 * @return The new type
160 */
161 9506 const Type *Type::replaceBase(const Type *newBaseType) const {
162
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 9506 assert(!typeChain.empty());
163
164 // Create new type
165
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 9506 TypeChain newTypeChain = newBaseType->typeChain;
166
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 9506 const bool doubleRef = newTypeChain.back().superType == TY_REF && typeChain.back().superType == TY_REF;
167
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 11023 for (size_t i = 1; i < typeChain.size(); i++)
168
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 1517 if (!doubleRef || i > 1)
169
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 1503 newTypeChain.push_back(typeChain.at(i));
170
171 // Register new type or return if already registered
172
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 19012 return TypeRegistry::getOrInsert(newTypeChain);
173 9506 }
174
175 /**
176 * Remove reference wrapper from the current type
177 *
178 * @return Type without reference wrapper
179 */
180
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 32563 const Type *Type::removeReferenceWrapper() const { return isRef() ? getContained() : this; }
181
182 /**
183 * Return the LLVM type for this symbol type
184 *
185 * @param sourceFile Referenced source file
186 * @return Corresponding LLVM type
187 */
188 6636 llvm::Type *Type::toLLVMType(SourceFile *sourceFile) const { // NOLINT(misc-no-recursion)
189
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 6636 assert(!typeChain.empty() && !is(TY_INVALID));
190 6636 llvm::LLVMContext &context = sourceFile->llvmModule->getContext();
191
192
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 6636 if (isOneOf({TY_PTR, TY_REF, TY_STRING}) || (isArray() && getArraySize() == 0))
193 2983 return llvm::PointerType::get(context, 0);
194
195
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 3653 if (isArray()) {
196
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 36 assert(getArraySize() > 0);
197 36 llvm::Type *containedType = sourceFile->getLLVMType(getContained());
198 36 return llvm::ArrayType::get(containedType, getArraySize());
199 }
200
201
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 3617 assert(!hasAnyGenericParts());
202
203
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 3617 if (is(TY_DOUBLE))
204 74 return llvm::Type::getDoubleTy(context);
205
206
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 3543 if (isOneOf({TY_INT, TY_ENUM}))
207 567 return llvm::Type::getInt32Ty(context);
208
209
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 2976 if (is(TY_SHORT))
210 66 return llvm::Type::getInt16Ty(context);
211
212
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 2910 if (is(TY_LONG))
213 375 return llvm::Type::getInt64Ty(context);
214
215
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 2535 if (isOneOf({TY_CHAR, TY_BYTE}))
216 267 return llvm::Type::getInt8Ty(context);
217
218
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 2268 if (is(TY_BOOL))
219 439 return llvm::Type::getInt1Ty(context);
220
221
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 1829 if (isOneOf({TY_STRUCT, TY_INTERFACE})) {
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 1756 const Scope *structBodyScope = getBodyScope();
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 1756 const std::string structSignature = Struct::getSignature(getSubType(), getTemplateTypes());
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 1756 const SymbolTableEntry *structSymbol = structBodyScope->parent->lookupStrict(structSignature);
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 1756 assert(structSymbol != nullptr);
226
227 // Collect concrete field types
228 llvm::StructType *structType;
229 1756 std::vector<llvm::Type *> fieldTypes;
230 1756 bool isPacked = false;
231
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 1756 if (is(TY_STRUCT)) { // Struct
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 1558 const Struct *spiceStruct = structSymbol->getQualType().getStruct(structSymbol->declNode);
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 1558 assert(spiceStruct != nullptr);
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 1558 const std::string mangledName = NameMangling::mangleStruct(*spiceStruct);
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 1558 structType = llvm::StructType::create(context, mangledName);
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237
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 1558 const size_t totalFieldCount = spiceStruct->scope->getFieldCount();
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 1558 fieldTypes.reserve(totalFieldCount);
239
240 // If the struct has no interface types, but a vtable was requested, add another ptr field type
241
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 1558 assert(structSymbol->declNode->isStructDef());
242
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 1558 const auto structDeclNode = spice_pointer_cast<StructDefNode *>(structSymbol->declNode);
243
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 1558 if (!structDeclNode->hasInterfaces && structDeclNode->emitVTable)
244
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 41 fieldTypes.push_back(llvm::PointerType::get(context, 0));
245
246 // Collect all field types
247
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 5581 for (size_t i = 0; i < totalFieldCount; i++) {
248
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 4023 const SymbolTableEntry *fieldSymbol = spiceStruct->scope->lookupField(i);
249
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 4023 assert(fieldSymbol != nullptr);
250
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 4023 fieldTypes.push_back(sourceFile->getLLVMType(fieldSymbol->getQualType().getType()));
251 }
252
253 // Check if the struct is declared as packed
254
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 1642 if (structDeclNode->attrs && structDeclNode->attrs->attrLst->hasAttr(ATTR_CORE_COMPILER_PACKED))
255
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 3 isPacked = structDeclNode->attrs->attrLst->getAttrValueByName(ATTR_CORE_COMPILER_PACKED)->boolValue;
256 1558 } else { // Interface
257
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 198 const Interface *spiceInterface = structSymbol->getQualType().getInterface(structSymbol->declNode);
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 198 assert(spiceInterface != nullptr);
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 198 const std::string mangledName = NameMangling::mangleInterface(*spiceInterface);
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 198 structType = llvm::StructType::create(context, mangledName);
261
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 198 fieldTypes.push_back(llvm::PointerType::get(context, 0));
263 198 }
264
265 // Set field types to struct type
266
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 1756 structType->setBody(fieldTypes, isPacked);
267
268 1756 return structType;
269 1756 }
270
271
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 73 if (isOneOf({TY_FUNCTION, TY_PROCEDURE})) {
272 73 llvm::PointerType *ptrTy = llvm::PointerType::get(context, 0);
273
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 73 return llvm::StructType::get(context, {ptrTy, ptrTy});
274 }
275
276 − throw CompilerError(UNHANDLED_BRANCH, "Cannot determine LLVM type of " + getName(true, true)); // GCOVR_EXCL_LINE
277 }
278
279 /**
280 * Check if the base type of the current type chain is of a certain super type
281 *
282 * @param superType Super type to check for
283 * @return Applicable or not
284 */
285 614086 bool Type::isBase(SuperType superType) const {
286
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 614086 assert(!typeChain.empty());
287 614086 return typeChain.front().superType == superType;
288 }
289
290 /**
291 * Check if the current type is a primitive type
292 *
293 * @return Primitive type or not
294 */
295
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 98568 bool Type::isPrimitive() const { return isOneOf({TY_DOUBLE, TY_INT, TY_SHORT, TY_LONG, TY_BYTE, TY_CHAR, TY_STRING, TY_BOOL}); }
296
297 /**
298 * Check if the type is an extended primitive type
299 * The definition of extended primitive types contains all primitive types plus the following:
300 * - structs
301 * - interfaces
302 * - functions/procedures
303 *
304 * @return Extended primitive or not
305 */
306
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 77711 bool Type::isExtendedPrimitive() const { return isPrimitive() || isOneOf({TY_STRUCT, TY_INTERFACE, TY_FUNCTION, TY_PROCEDURE}); }
307
308 /**
309 * Check if the current type is a pointer type
310 *
311 * @return Pointer type or not
312 */
313 245647 bool Type::isPtr() const { return getSuperType() == TY_PTR; }
314
315 /**
316 * Check if the current type is a reference type
317 *
318 * @return Reference type or not
319 */
320 840219 bool Type::isRef() const { return getSuperType() == TY_REF; }
321
322 /**
323 * Check if the current type is an array type
324 *
325 * @return Array type or not
326 */
327 126012 bool Type::isArray() const { return getSuperType() == TY_ARRAY; }
328
329 /**
330 * Check if the current type is of the same container type like the other type.
331 * Only TY_PTR, TY_REF and TY_ARRAY are considered as container types.
332 *
333 * @param other Other symbol type
334 * @return Same container type or not
335 */
336 86576 bool Type::isSameContainerTypeAs(const Type *other) const {
337
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 86576 const bool bothPtr = isPtr() && other->isPtr();
338
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 86576 const bool bothRef = isRef() && other->isRef();
339
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 86576 const bool bothArray = isArray() && other->isArray();
340
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 86576 return bothPtr || bothRef || bothArray;
341 }
342
343 /**
344 * Retrieve the base type of the current type
345 *
346 * @return Base type
347 */
348 1041384 const Type *Type::getBase() const {
349
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 1041384 assert(!typeChain.empty());
350
351 // Create new type chain
352
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 3124152 const TypeChain newTypeChain = {typeChain.front()};
353
354 // Register new type or return if already registered
355
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 2082768 return TypeRegistry::getOrInsert(newTypeChain);
356
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 2082768 }
357
358 /**
359 * Retrieve the same type, but with lambda captures
360 *
361 * @return Type with lambda captures
362 */
363 45 const Type *Type::getWithLambdaCaptures(bool enabled) const {
364
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 45 assert(getBase()->isOneOf({TY_FUNCTION, TY_PROCEDURE}));
365
366 // Create new type chain
367
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 45 TypeChain newTypeChain = typeChain;
368 45 newTypeChain.front().data.hasCaptures = enabled;
369
370 // Register new type or return if already registered
371
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 90 return TypeRegistry::getOrInsert(newTypeChain);
372 45 }
373
374 /**
375 * Retrieve the same type, but with the body scope removed
376 *
377 * @return Type with body scope removed
378 */
379 21438 const Type *Type::getWithBodyScope(Scope *bodyScope) const {
380
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 21438 assert(getBase()->isOneOf({TY_STRUCT, TY_INTERFACE}));
381
382 // Create new type chain
383
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 21438 TypeChain newTypeChain = typeChain;
384 21438 newTypeChain.front().data.bodyScope = bodyScope;
385
386 // Register new type or return if already registered
387
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 42876 return TypeRegistry::getOrInsert(newTypeChain);
388 21438 }
389
390 /**
391 * Retrieve the same type, but with the given template types
392 *
393 * @return Type with new template types
394 */
395 3437 const Type *Type::getWithTemplateTypes(const QualTypeList &templateTypes) const {
396
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 3437 assert(isOneOf({TY_STRUCT, TY_INTERFACE}));
397 3437 return getWithBaseTemplateTypes(templateTypes);
398 }
399
400 /**
401 * Retrieve the same type, but with the given base template types
402 *
403 * @return Type with new base template types
404 */
405 7606 const Type *Type::getWithBaseTemplateTypes(const QualTypeList &templateTypes) const {
406
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 7606 assert(getBase()->isOneOf({TY_STRUCT, TY_INTERFACE}));
407
408 // Create new type chain
409
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 7606 TypeChain newTypeChain = typeChain;
410
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 7606 newTypeChain.front().templateTypes = templateTypes;
411
412 // Register new type or return if already registered
413
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 15212 return TypeRegistry::getOrInsert(newTypeChain);
414 7606 }
415
416 /**
417 * Retrieve the same type, but with the param and return types removed
418 *
419 * @return Type with param and return types removed
420 */
421 12517 const Type *Type::getWithFunctionParamAndReturnTypes(const QualTypeList &paramAndReturnTypes) const {
422
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 12517 assert(getBase()->isOneOf({TY_FUNCTION, TY_PROCEDURE}));
423
424 // Create new type chain
425
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 12517 TypeChain newTypeChain = typeChain;
426
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 12517 newTypeChain.front().paramTypes = paramAndReturnTypes;
427
428 // Register new type or return if already registered
429
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 25034 return TypeRegistry::getOrInsert(newTypeChain);
430 12517 }
431
432 /**
433 * Checks if the base type is generic itself or has generic parts in its template types
434 *
435 * @return Contains generic parts or not
436 */
437 303311 bool Type::hasAnyGenericParts() const { // NOLINT(misc-no-recursion)
438
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 303311 const Type *baseType = getBase();
439
440 // Check if the type itself is generic
441
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 303311 if (baseType->is(TY_GENERIC))
442 49353 return true;
443
444 // Check if the type has generic template types
445
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 253958 const auto templateTypes = baseType->getTemplateTypes();
446
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 309308 if (std::ranges::any_of(templateTypes, [](const QualType &t) { return t.hasAnyGenericParts(); }))
447 18667 return true;
448
449 // Check param and return types or functions/procedures
450
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 235291 if (baseType->isOneOf({TY_FUNCTION, TY_PROCEDURE})) {
451
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 385 const auto paramTypes = baseType->getFunctionParamAndReturnTypes();
452
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 929 if (std::ranges::any_of(paramTypes, [](const QualType &t) { return t.hasAnyGenericParts(); }))
453 45 return true;
454
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 385 }
455
456 235246 return false; // Does not have generic parts
457 253958 }
458
459 /**
460 * Retrieve template types of the current type
461 *
462 * @return Vector of template types
463 */
464 337866 const QualTypeList &Type::getTemplateTypes() const { return typeChain.back().templateTypes; }
465
466 /**
467 * Check if the current type is of a certain super type
468 *
469 * @return Applicable or not
470 */
471 5819629 bool Type::is(SuperType superType) const { return getSuperType() == superType; }
472
473 /**
474 * Check if the current type is one of a list of super types
475 *
476 * @return Applicable or not
477 */
478 1266155 bool Type::isOneOf(const std::initializer_list<SuperType> &superTypes) const {
479 3997539 return std::ranges::any_of(superTypes, [this](SuperType superType) { return is(superType); });
480 }
481
482 /**
483 * Get the name of the symbol type as a string
484 *
485 * @param name Get name of type
486 * @param withSize Include the array size for sized types
487 * @param ignorePublic Ignore any potential public qualifier
488 * @return Symbol type name
489 */
490 400122 void Type::getName(std::stringstream &name, bool withSize, bool ignorePublic) const { // NOLINT(misc-no-recursion)
491 // Loop through all chain elements
492
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 901889 for (const TypeChainElement &chainElement : typeChain)
493
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 501767 name << chainElement.getName(withSize, ignorePublic);
494 400122 }
495
496 /**
497 * Get the name of the symbol type as a string
498 *
499 * @param withSize Include the array size for sized types
500 * @param ignorePublic Ignore any potential public qualifier
501 * @return Symbol type name
502 */
503 14276 std::string Type::getName(bool withSize, bool ignorePublic) const {
504
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 14276 std::stringstream name;
505
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 14276 getName(name, withSize, ignorePublic);
506
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 28552 return name.str();
507 14276 }
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 */
525 140 QualTypeList Type::getFunctionParamTypes() const {
526
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 140 assert(isOneOf({TY_FUNCTION, TY_PROCEDURE}));
527
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 140 if (typeChain.back().paramTypes.empty())
528 ✗ return {};
529
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 420 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 */
537 123 bool Type::hasLambdaCaptures() const {
538
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 123 assert(getBase()->isOneOf({TY_FUNCTION, TY_PROCEDURE}));
539 123 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 */
547 435 const QualTypeList &Type::getFunctionParamAndReturnTypes() const {
548
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 435 assert(getBase()->isOneOf({TY_FUNCTION, TY_PROCEDURE}));
549 435 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 101417 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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 101417 if (typeChain.size() != otherType->typeChain.size())
563 12949 return false;
564
565 // Compare the elements
566
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 152076 for (size_t i = 0; i < typeChain.size(); i++) {
567 95463 const TypeChainElement &lhsElement = typeChain.at(i);
568 95463 const TypeChainElement &rhsElement = otherType->typeChain.at(i);
569
570 // Ignore differences in array size
571
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 95463 if (ignoreArraySize && lhsElement.superType == TY_ARRAY && rhsElement.superType == TY_ARRAY)
572 ✗ continue;
573
574 // Not both types are arrays -> compare them as usual
575
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 95463 if (lhsElement != rhsElement)
576 31855 return false;
577 }
578
579 56613 return true;
580 }
581
582 /**
583 * Remove pointers / arrays / references if both types have them as far as possible.
584 * Furthermore, remove reference wrappers if possible.
585 *
586 * @param typeA Candidate type
587 * @param typeB Requested type
588 */
589 79075 void Type::unwrapBoth(const Type *&typeA, const Type *&typeB) {
590 // Remove reference wrapper of front type if required
591
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 79075 if (typeA->isRef() && !typeB->isRef())
592 30097 typeA = typeA->removeReferenceWrapper();
593
594 // Remove reference wrapper of requested type if required
595
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 79075 if (!typeA->isRef() && typeB->isRef() && !typeA->getBase()->is(TY_GENERIC))
596 2466 typeB = typeB->removeReferenceWrapper();
597
598 // Unwrap both types as far as possible
599
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 84169 while (typeA->isSameContainerTypeAs(typeB)) {
600 5094 typeB = typeB->getContained();
601 5094 typeA = typeA->getContained();
602 }
603 79075 }
604
605 /**
606 * Check if two types have the same type chain depth
607 *
608 * @param typeA First type
609 * @param typeB Second type
610 * @return Same depth or not
611 */
612 17926 bool Type::hasSameTypeChainDepth(const Type *typeA, const Type *typeB) {
613 17926 return typeA->typeChain.size() == typeB->typeChain.size();
614 }
615
616 } // namespace spice::compiler
617