2 // Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
3 // Copyright (C) 2012-2013 LunarG, Inc.
4 // Copyright (C) 2017 ARM Limited.
5 // Copyright (C) 2015-2018 Google, Inc.
6 // Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
8 // All rights reserved.
10 // Redistribution and use in source and binary forms, with or without
11 // modification, are permitted provided that the following conditions
14 // Redistributions of source code must retain the above copyright
15 // notice, this list of conditions and the following disclaimer.
17 // Redistributions in binary form must reproduce the above
18 // copyright notice, this list of conditions and the following
19 // disclaimer in the documentation and/or other materials provided
20 // with the distribution.
22 // Neither the name of 3Dlabs Inc. Ltd. nor the names of its
23 // contributors may be used to endorse or promote products derived
24 // from this software without specific prior written permission.
26 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
29 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
30 // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
31 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
32 // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
33 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
34 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
36 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 // POSSIBILITY OF SUCH DAMAGE.
41 // Symbol table for parsing. Most functionality and main ideas
42 // are documented in the header file.
45 #include "SymbolTable.h"
50 // TType helper function needs a place to live.
54 // Recursively generate mangled names.
56 void TType::buildMangledName(TString& mangledName) const
64 case EbtFloat: mangledName += 'f'; break;
65 case EbtInt: mangledName += 'i'; break;
66 case EbtUint: mangledName += 'u'; break;
67 case EbtBool: mangledName += 'b'; break;
69 case EbtDouble: mangledName += 'd'; break;
70 case EbtFloat16: mangledName += "f16"; break;
71 case EbtInt8: mangledName += "i8"; break;
72 case EbtUint8: mangledName += "u8"; break;
73 case EbtInt16: mangledName += "i16"; break;
74 case EbtUint16: mangledName += "u16"; break;
75 case EbtInt64: mangledName += "i64"; break;
76 case EbtUint64: mangledName += "u64"; break;
77 case EbtAtomicUint: mangledName += "au"; break;
78 case EbtAccStruct: mangledName += "as"; break;
79 case EbtRayQuery: mangledName += "rq"; break;
80 case EbtSpirvType: mangledName += "spv-t"; break;
83 switch (sampler.type) {
85 case EbtFloat16: mangledName += "f16"; break;
87 case EbtInt: mangledName += "i"; break;
88 case EbtUint: mangledName += "u"; break;
89 case EbtInt64: mangledName += "i64"; break;
90 case EbtUint64: mangledName += "u64"; break;
91 default: break; // some compilers want this
93 if (sampler.isImageClass())
94 mangledName += "I"; // a normal image or subpass
95 else if (sampler.isPureSampler())
96 mangledName += "p"; // a "pure" sampler
97 else if (!sampler.isCombined())
98 mangledName += "t"; // a "pure" texture
100 mangledName += "s"; // traditional combined sampler
101 if (sampler.isArrayed())
103 if (sampler.isShadow())
105 if (sampler.isExternal())
109 switch (sampler.dim) {
110 case Esd2D: mangledName += "2"; break;
111 case Esd3D: mangledName += "3"; break;
112 case EsdCube: mangledName += "C"; break;
114 case Esd1D: mangledName += "1"; break;
115 case EsdRect: mangledName += "R2"; break;
116 case EsdBuffer: mangledName += "B"; break;
117 case EsdSubpass: mangledName += "P"; break;
119 default: break; // some compilers want this
123 if (sampler.hasReturnStruct()) {
124 // Name mangle for sampler return struct uses struct table index.
125 mangledName += "-tx-struct";
127 char text[16]; // plenty enough space for the small integers.
128 snprintf(text, sizeof(text), "%u-", sampler.getStructReturnIndex());
131 switch (sampler.getVectorSize()) {
132 case 1: mangledName += "1"; break;
133 case 2: mangledName += "2"; break;
134 case 3: mangledName += "3"; break;
135 case 4: break; // default to prior name mangle behavior
140 if (sampler.isMultiSample())
145 if (basicType == EbtStruct)
146 mangledName += "struct-";
148 mangledName += "block-";
150 mangledName += *typeName;
151 for (unsigned int i = 0; i < structure->size(); ++i) {
152 if ((*structure)[i].type->getBasicType() == EbtVoid)
155 (*structure)[i].type->buildMangledName(mangledName);
161 if (getVectorSize() > 0)
162 mangledName += static_cast<char>('0' + getVectorSize());
164 mangledName += static_cast<char>('0' + getMatrixCols());
165 mangledName += static_cast<char>('0' + getMatrixRows());
169 const int maxSize = 11;
171 for (int i = 0; i < arraySizes->getNumDims(); ++i) {
172 if (arraySizes->getDimNode(i)) {
173 if (arraySizes->getDimNode(i)->getAsSymbolNode())
174 snprintf(buf, maxSize, "s%lld", arraySizes->getDimNode(i)->getAsSymbolNode()->getId());
176 snprintf(buf, maxSize, "s%p", arraySizes->getDimNode(i));
178 snprintf(buf, maxSize, "%d", arraySizes->getDimSize(i));
186 #if !defined(GLSLANG_WEB)
192 void TSymbol::dumpExtensions(TInfoSink& infoSink) const
194 int numExtensions = getNumExtensions();
196 infoSink.debug << " <";
198 for (int i = 0; i < numExtensions; i++)
199 infoSink.debug << getExtensions()[i] << ",";
201 infoSink.debug << ">";
205 void TVariable::dump(TInfoSink& infoSink, bool complete) const
208 infoSink.debug << getName().c_str() << ": " << type.getCompleteString();
209 dumpExtensions(infoSink);
211 infoSink.debug << getName().c_str() << ": " << type.getStorageQualifierString() << " "
212 << type.getBasicTypeString();
215 infoSink.debug << "[0]";
218 infoSink.debug << "\n";
221 void TFunction::dump(TInfoSink& infoSink, bool complete) const
224 infoSink.debug << getName().c_str() << ": " << returnType.getCompleteString() << " " << getName().c_str()
227 int numParams = getParamCount();
228 for (int i = 0; i < numParams; i++) {
229 const TParameter ¶m = parameters[i];
230 infoSink.debug << param.type->getCompleteString() << " "
231 << (param.type->isStruct() ? "of " + param.type->getTypeName() + " " : "")
232 << (param.name ? *param.name : "") << (i < numParams - 1 ? "," : "");
235 infoSink.debug << ")";
236 dumpExtensions(infoSink);
238 infoSink.debug << getName().c_str() << ": " << returnType.getBasicTypeString() << " "
239 << getMangledName().c_str() << "n";
242 infoSink.debug << "\n";
245 void TAnonMember::dump(TInfoSink& TInfoSink, bool) const
247 TInfoSink.debug << "anonymous member " << getMemberNumber() << " of " << getAnonContainer().getName().c_str()
251 void TSymbolTableLevel::dump(TInfoSink& infoSink, bool complete) const
253 tLevel::const_iterator it;
254 for (it = level.begin(); it != level.end(); ++it)
255 (*it).second->dump(infoSink, complete);
258 void TSymbolTable::dump(TInfoSink& infoSink, bool complete) const
260 for (int level = currentLevel(); level >= 0; --level) {
261 infoSink.debug << "LEVEL " << level << "\n";
262 table[level]->dump(infoSink, complete);
269 // Functions have buried pointers to delete.
271 TFunction::~TFunction()
273 for (TParamList::iterator i = parameters.begin(); i != parameters.end(); ++i)
278 // Symbol table levels are a map of pointers to symbols that have to be deleted.
280 TSymbolTableLevel::~TSymbolTableLevel()
282 for (tLevel::iterator it = level.begin(); it != level.end(); ++it) {
283 const TString& name = it->first;
284 auto retargetIter = std::find_if(retargetedSymbols.begin(), retargetedSymbols.end(),
285 [&name](const std::pair<TString, TString>& i) { return i.first == name; });
286 if (retargetIter == retargetedSymbols.end())
291 delete [] defaultPrecision;
295 // Change all function entries in the table with the non-mangled name
296 // to be related to the provided built-in operation.
298 void TSymbolTableLevel::relateToOperator(const char* name, TOperator op)
300 tLevel::const_iterator candidate = level.lower_bound(name);
301 while (candidate != level.end()) {
302 const TString& candidateName = (*candidate).first;
303 TString::size_type parenAt = candidateName.find_first_of('(');
304 if (parenAt != candidateName.npos && candidateName.compare(0, parenAt, name) == 0) {
305 TFunction* function = (*candidate).second->getAsFunction();
306 function->relateToOperator(op);
313 // Make all function overloads of the given name require an extension(s).
314 // Should only be used for a version/profile that actually needs the extension(s).
315 void TSymbolTableLevel::setFunctionExtensions(const char* name, int num, const char* const extensions[])
317 tLevel::const_iterator candidate = level.lower_bound(name);
318 while (candidate != level.end()) {
319 const TString& candidateName = (*candidate).first;
320 TString::size_type parenAt = candidateName.find_first_of('(');
321 if (parenAt != candidateName.npos && candidateName.compare(0, parenAt, name) == 0) {
322 TSymbol* symbol = candidate->second;
323 symbol->setExtensions(num, extensions);
331 // Make all symbols in this table level read only.
333 void TSymbolTableLevel::readOnly()
335 for (tLevel::iterator it = level.begin(); it != level.end(); ++it)
336 (*it).second->makeReadOnly();
340 // Copy a symbol, but the copy is writable; call readOnly() afterward if that's not desired.
342 TSymbol::TSymbol(const TSymbol& copyOf)
344 name = NewPoolTString(copyOf.name->c_str());
345 uniqueId = copyOf.uniqueId;
349 TVariable::TVariable(const TVariable& copyOf) : TSymbol(copyOf)
351 type.deepCopy(copyOf.type);
352 userType = copyOf.userType;
354 // we don't support specialization-constant subtrees in cloned tables, only extensions
355 constSubtree = nullptr;
356 extensions = nullptr;
357 memberExtensions = nullptr;
358 if (copyOf.getNumExtensions() > 0)
359 setExtensions(copyOf.getNumExtensions(), copyOf.getExtensions());
360 if (copyOf.hasMemberExtensions()) {
361 for (int m = 0; m < (int)copyOf.type.getStruct()->size(); ++m) {
362 if (copyOf.getNumMemberExtensions(m) > 0)
363 setMemberExtensions(m, copyOf.getNumMemberExtensions(m), copyOf.getMemberExtensions(m));
367 if (! copyOf.constArray.empty()) {
368 assert(! copyOf.type.isStruct());
369 TConstUnionArray newArray(copyOf.constArray, 0, copyOf.constArray.size());
370 constArray = newArray;
374 TVariable* TVariable::clone() const
376 TVariable *variable = new TVariable(*this);
381 TFunction::TFunction(const TFunction& copyOf) : TSymbol(copyOf)
383 for (unsigned int i = 0; i < copyOf.parameters.size(); ++i) {
385 parameters.push_back(param);
386 (void)parameters.back().copyParam(copyOf.parameters[i]);
389 extensions = nullptr;
390 if (copyOf.getNumExtensions() > 0)
391 setExtensions(copyOf.getNumExtensions(), copyOf.getExtensions());
392 returnType.deepCopy(copyOf.returnType);
393 mangledName = copyOf.mangledName;
395 defined = copyOf.defined;
396 prototyped = copyOf.prototyped;
397 implicitThis = copyOf.implicitThis;
398 illegalImplicitThis = copyOf.illegalImplicitThis;
399 defaultParamCount = copyOf.defaultParamCount;
401 spirvInst = copyOf.spirvInst;
405 TFunction* TFunction::clone() const
407 TFunction *function = new TFunction(*this);
412 TAnonMember* TAnonMember::clone() const
414 // Anonymous members of a given block should be cloned at a higher level,
415 // where they can all be assured to still end up pointing to a single
416 // copy of the original container.
422 TSymbolTableLevel* TSymbolTableLevel::clone() const
424 TSymbolTableLevel *symTableLevel = new TSymbolTableLevel();
425 symTableLevel->anonId = anonId;
426 symTableLevel->thisLevel = thisLevel;
427 symTableLevel->retargetedSymbols.clear();
428 for (auto &s : retargetedSymbols) {
429 symTableLevel->retargetedSymbols.push_back({s.first, s.second});
431 std::vector<bool> containerCopied(anonId, false);
432 tLevel::const_iterator iter;
433 for (iter = level.begin(); iter != level.end(); ++iter) {
434 const TAnonMember* anon = iter->second->getAsAnonMember();
436 // Insert all the anonymous members of this same container at once,
437 // avoid inserting the remaining members in the future, once this has been done,
438 // allowing them to all be part of the same new container.
439 if (! containerCopied[anon->getAnonId()]) {
440 TVariable* container = anon->getAnonContainer().clone();
441 container->changeName(NewPoolTString(""));
442 // insert the container and all its members
443 symTableLevel->insert(*container, false);
444 containerCopied[anon->getAnonId()] = true;
447 const TString& name = iter->first;
448 auto retargetIter = std::find_if(retargetedSymbols.begin(), retargetedSymbols.end(),
449 [&name](const std::pair<TString, TString>& i) { return i.first == name; });
450 if (retargetIter != retargetedSymbols.end())
452 symTableLevel->insert(*iter->second->clone(), false);
455 // Now point retargeted symbols to the newly created versions of them
456 for (auto &s : retargetedSymbols) {
457 TSymbol* sym = symTableLevel->find(s.second);
460 symTableLevel->insert(s.first, sym);
463 return symTableLevel;
466 void TSymbolTable::copyTable(const TSymbolTable& copyOf)
468 assert(adoptedLevels == copyOf.adoptedLevels);
470 uniqueId = copyOf.uniqueId;
471 noBuiltInRedeclarations = copyOf.noBuiltInRedeclarations;
472 separateNameSpaces = copyOf.separateNameSpaces;
473 for (unsigned int i = copyOf.adoptedLevels; i < copyOf.table.size(); ++i)
474 table.push_back(copyOf.table[i]->clone());
477 } // end namespace glslang