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dep: Add glslang

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This commit is contained in:
Connor McLaughlin
2020-06-16 22:46:10 +10:00
parent da83059e31
commit 5bbcde7835
112 changed files with 101240 additions and 0 deletions
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dep/glslang/glslang/MachineIndependent/SymbolTable.cpp Normal file
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//
// Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
// Copyright (C) 2012-2013 LunarG, Inc.
// Copyright (C) 2017 ARM Limited.
// Copyright (C) 2015-2018 Google, Inc.
// Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
// Symbol table for parsing. Most functionality and main ideas
// are documented in the header file.
//
#include "SymbolTable.h"
namespace glslang {
//
// TType helper function needs a place to live.
//
//
// Recursively generate mangled names.
//
void TType::buildMangledName(TString& mangledName) const
{
if (isMatrix())
mangledName += 'm';
else if (isVector())
mangledName += 'v';
switch (basicType) {
case EbtFloat: mangledName += 'f'; break;
case EbtInt: mangledName += 'i'; break;
case EbtUint: mangledName += 'u'; break;
case EbtBool: mangledName += 'b'; break;
#ifndef GLSLANG_WEB
case EbtDouble: mangledName += 'd'; break;
case EbtFloat16: mangledName += "f16"; break;
case EbtInt8: mangledName += "i8"; break;
case EbtUint8: mangledName += "u8"; break;
case EbtInt16: mangledName += "i16"; break;
case EbtUint16: mangledName += "u16"; break;
case EbtInt64: mangledName += "i64"; break;
case EbtUint64: mangledName += "u64"; break;
case EbtAtomicUint: mangledName += "au"; break;
case EbtAccStruct: mangledName += "as"; break;
case EbtRayQuery: mangledName += "rq"; break;
#endif
case EbtSampler:
switch (sampler.type) {
#ifndef GLSLANG_WEB
case EbtFloat16: mangledName += "f16"; break;
#endif
case EbtInt: mangledName += "i"; break;
case EbtUint: mangledName += "u"; break;
default: break; // some compilers want this
}
if (sampler.isImageClass())
mangledName += "I"; // a normal image or subpass
else if (sampler.isPureSampler())
mangledName += "p"; // a "pure" sampler
else if (!sampler.isCombined())
mangledName += "t"; // a "pure" texture
else
mangledName += "s"; // traditional combined sampler
if (sampler.isArrayed())
mangledName += "A";
if (sampler.isShadow())
mangledName += "S";
if (sampler.isExternal())
mangledName += "E";
if (sampler.isYuv())
mangledName += "Y";
switch (sampler.dim) {
case Esd2D: mangledName += "2"; break;
case Esd3D: mangledName += "3"; break;
case EsdCube: mangledName += "C"; break;
#ifndef GLSLANG_WEB
case Esd1D: mangledName += "1"; break;
case EsdRect: mangledName += "R2"; break;
case EsdBuffer: mangledName += "B"; break;
case EsdSubpass: mangledName += "P"; break;
#endif
default: break; // some compilers want this
}
#ifdef ENABLE_HLSL
if (sampler.hasReturnStruct()) {
// Name mangle for sampler return struct uses struct table index.
mangledName += "-tx-struct";
char text[16]; // plenty enough space for the small integers.
snprintf(text, sizeof(text), "%u-", sampler.getStructReturnIndex());
mangledName += text;
} else {
switch (sampler.getVectorSize()) {
case 1: mangledName += "1"; break;
case 2: mangledName += "2"; break;
case 3: mangledName += "3"; break;
case 4: break; // default to prior name mangle behavior
}
}
#endif
if (sampler.isMultiSample())
mangledName += "M";
break;
case EbtStruct:
case EbtBlock:
if (basicType == EbtStruct)
mangledName += "struct-";
else
mangledName += "block-";
if (typeName)
mangledName += *typeName;
for (unsigned int i = 0; i < structure->size(); ++i) {
mangledName += '-';
(*structure)[i].type->buildMangledName(mangledName);
}
default:
break;
}
if (getVectorSize() > 0)
mangledName += static_cast<char>('0' + getVectorSize());
else {
mangledName += static_cast<char>('0' + getMatrixCols());
mangledName += static_cast<char>('0' + getMatrixRows());
}
if (arraySizes) {
const int maxSize = 11;
char buf[maxSize];
for (int i = 0; i < arraySizes->getNumDims(); ++i) {
if (arraySizes->getDimNode(i)) {
if (arraySizes->getDimNode(i)->getAsSymbolNode())
snprintf(buf, maxSize, "s%d", arraySizes->getDimNode(i)->getAsSymbolNode()->getId());
else
snprintf(buf, maxSize, "s%p", arraySizes->getDimNode(i));
} else
snprintf(buf, maxSize, "%d", arraySizes->getDimSize(i));
mangledName += '[';
mangledName += buf;
mangledName += ']';
}
}
}
#ifndef GLSLANG_WEB
//
// Dump functions.
//
void TSymbol::dumpExtensions(TInfoSink& infoSink) const
{
int numExtensions = getNumExtensions();
if (numExtensions) {
infoSink.debug << " <";
for (int i = 0; i < numExtensions; i++)
infoSink.debug << getExtensions()[i] << ",";
infoSink.debug << ">";
}
}
void TVariable::dump(TInfoSink& infoSink, bool complete) const
{
if (complete) {
infoSink.debug << getName().c_str() << ": " << type.getCompleteString();
dumpExtensions(infoSink);
} else {
infoSink.debug << getName().c_str() << ": " << type.getStorageQualifierString() << " "
<< type.getBasicTypeString();
if (type.isArray())
infoSink.debug << "[0]";
}
infoSink.debug << "\n";
}
void TFunction::dump(TInfoSink& infoSink, bool complete) const
{
if (complete) {
infoSink.debug << getName().c_str() << ": " << returnType.getCompleteString() << " " << getName().c_str()
<< "(";
int numParams = getParamCount();
for (int i = 0; i < numParams; i++) {
const TParameter &param = parameters[i];
infoSink.debug << param.type->getCompleteString() << " "
<< (param.type->isStruct() ? "of " + param.type->getTypeName() + " " : "")
<< (param.name ? *param.name : "") << (i < numParams - 1 ? "," : "");
}
infoSink.debug << ")";
dumpExtensions(infoSink);
} else {
infoSink.debug << getName().c_str() << ": " << returnType.getBasicTypeString() << " "
<< getMangledName().c_str() << "n";
}
infoSink.debug << "\n";
}
void TAnonMember::dump(TInfoSink& TInfoSink, bool) const
{
TInfoSink.debug << "anonymous member " << getMemberNumber() << " of " << getAnonContainer().getName().c_str()
<< "\n";
}
void TSymbolTableLevel::dump(TInfoSink& infoSink, bool complete) const
{
tLevel::const_iterator it;
for (it = level.begin(); it != level.end(); ++it)
(*it).second->dump(infoSink, complete);
}
void TSymbolTable::dump(TInfoSink& infoSink, bool complete) const
{
for (int level = currentLevel(); level >= 0; --level) {
infoSink.debug << "LEVEL " << level << "\n";
table[level]->dump(infoSink, complete);
}
}
#endif
//
// Functions have buried pointers to delete.
//
TFunction::~TFunction()
{
for (TParamList::iterator i = parameters.begin(); i != parameters.end(); ++i)
delete (*i).type;
}
//
// Symbol table levels are a map of pointers to symbols that have to be deleted.
//
TSymbolTableLevel::~TSymbolTableLevel()
{
for (tLevel::iterator it = level.begin(); it != level.end(); ++it)
delete (*it).second;
delete [] defaultPrecision;
}
//
// Change all function entries in the table with the non-mangled name
// to be related to the provided built-in operation.
//
void TSymbolTableLevel::relateToOperator(const char* name, TOperator op)
{
tLevel::const_iterator candidate = level.lower_bound(name);
while (candidate != level.end()) {
const TString& candidateName = (*candidate).first;
TString::size_type parenAt = candidateName.find_first_of('(');
if (parenAt != candidateName.npos && candidateName.compare(0, parenAt, name) == 0) {
TFunction* function = (*candidate).second->getAsFunction();
function->relateToOperator(op);
} else
break;
++candidate;
}
}
// Make all function overloads of the given name require an extension(s).
// Should only be used for a version/profile that actually needs the extension(s).
void TSymbolTableLevel::setFunctionExtensions(const char* name, int num, const char* const extensions[])
{
tLevel::const_iterator candidate = level.lower_bound(name);
while (candidate != level.end()) {
const TString& candidateName = (*candidate).first;
TString::size_type parenAt = candidateName.find_first_of('(');
if (parenAt != candidateName.npos && candidateName.compare(0, parenAt, name) == 0) {
TSymbol* symbol = candidate->second;
symbol->setExtensions(num, extensions);
} else
break;
++candidate;
}
}
//
// Make all symbols in this table level read only.
//
void TSymbolTableLevel::readOnly()
{
for (tLevel::iterator it = level.begin(); it != level.end(); ++it)
(*it).second->makeReadOnly();
}
//
// Copy a symbol, but the copy is writable; call readOnly() afterward if that's not desired.
//
TSymbol::TSymbol(const TSymbol& copyOf)
{
name = NewPoolTString(copyOf.name->c_str());
uniqueId = copyOf.uniqueId;
writable = true;
}
TVariable::TVariable(const TVariable& copyOf) : TSymbol(copyOf)
{
type.deepCopy(copyOf.type);
userType = copyOf.userType;
// we don't support specialization-constant subtrees in cloned tables, only extensions
constSubtree = nullptr;
extensions = nullptr;
memberExtensions = nullptr;
if (copyOf.getNumExtensions() > 0)
setExtensions(copyOf.getNumExtensions(), copyOf.getExtensions());
if (copyOf.hasMemberExtensions()) {
for (int m = 0; m < (int)copyOf.type.getStruct()->size(); ++m) {
if (copyOf.getNumMemberExtensions(m) > 0)
setMemberExtensions(m, copyOf.getNumMemberExtensions(m), copyOf.getMemberExtensions(m));
}
}
if (! copyOf.constArray.empty()) {
assert(! copyOf.type.isStruct());
TConstUnionArray newArray(copyOf.constArray, 0, copyOf.constArray.size());
constArray = newArray;
}
}
TVariable* TVariable::clone() const
{
TVariable *variable = new TVariable(*this);
return variable;
}
TFunction::TFunction(const TFunction& copyOf) : TSymbol(copyOf)
{
for (unsigned int i = 0; i < copyOf.parameters.size(); ++i) {
TParameter param;
parameters.push_back(param);
parameters.back().copyParam(copyOf.parameters[i]);
}
extensions = nullptr;
if (copyOf.getNumExtensions() > 0)
setExtensions(copyOf.getNumExtensions(), copyOf.getExtensions());
returnType.deepCopy(copyOf.returnType);
mangledName = copyOf.mangledName;
op = copyOf.op;
defined = copyOf.defined;
prototyped = copyOf.prototyped;
implicitThis = copyOf.implicitThis;
illegalImplicitThis = copyOf.illegalImplicitThis;
defaultParamCount = copyOf.defaultParamCount;
}
TFunction* TFunction::clone() const
{
TFunction *function = new TFunction(*this);
return function;
}
TAnonMember* TAnonMember::clone() const
{
// Anonymous members of a given block should be cloned at a higher level,
// where they can all be assured to still end up pointing to a single
// copy of the original container.
assert(0);
return 0;
}
TSymbolTableLevel* TSymbolTableLevel::clone() const
{
TSymbolTableLevel *symTableLevel = new TSymbolTableLevel();
symTableLevel->anonId = anonId;
symTableLevel->thisLevel = thisLevel;
std::vector<bool> containerCopied(anonId, false);
tLevel::const_iterator iter;
for (iter = level.begin(); iter != level.end(); ++iter) {
const TAnonMember* anon = iter->second->getAsAnonMember();
if (anon) {
// Insert all the anonymous members of this same container at once,
// avoid inserting the remaining members in the future, once this has been done,
// allowing them to all be part of the same new container.
if (! containerCopied[anon->getAnonId()]) {
TVariable* container = anon->getAnonContainer().clone();
container->changeName(NewPoolTString(""));
// insert the container and all its members
symTableLevel->insert(*container, false);
containerCopied[anon->getAnonId()] = true;
}
} else
symTableLevel->insert(*iter->second->clone(), false);
}
return symTableLevel;
}
void TSymbolTable::copyTable(const TSymbolTable& copyOf)
{
assert(adoptedLevels == copyOf.adoptedLevels);
uniqueId = copyOf.uniqueId;
noBuiltInRedeclarations = copyOf.noBuiltInRedeclarations;
separateNameSpaces = copyOf.separateNameSpaces;
for (unsigned int i = copyOf.adoptedLevels; i < copyOf.table.size(); ++i)
table.push_back(copyOf.table[i]->clone());
}
} // end namespace glslang