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Commit 96e7ba17 by shannonwoods@chromium.org
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Skip symbol table levels with built-ins for a different shader version.

TRAC #22954 Signed-off-by: Jamie Madill Signed-off-by: Shannon Woods Author: Nicolas Capens git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2272 736b8ea6-26fd-11df-bfd4-992fa37f6226
parent 1c848096
Showing with 62 additions and 51 deletions
src/compiler/ParseHelper.cpp
......@@ -741,7 +741,7 @@ bool TParseContext::arrayErrorCheck(int line, TString& identifier, TPublicType t
bool builtIn = false;
bool sameScope = false;
TSymbol* symbol = symbolTable.find(identifier, &builtIn, &sameScope);
TSymbol* symbol = symbolTable.find(identifier, 0, &builtIn, &sameScope);
if (symbol == 0 || !sameScope) {
if (reservedErrorCheck(line, identifier))
return true;
......@@ -800,7 +800,7 @@ bool TParseContext::arrayErrorCheck(int line, TString& identifier, TPublicType t
bool TParseContext::arraySetMaxSize(TIntermSymbol *node, TType* type, int size, bool updateFlag, TSourceLoc line)
{
bool builtIn = false;
TSymbol* symbol = symbolTable.find(node->getSymbol(), &builtIn);
TSymbol* symbol = symbolTable.find(node->getSymbol(), 0, &builtIn);
if (symbol == 0) {
error(line, " undeclared identifier", node->getSymbol().c_str());
return true;
......@@ -813,7 +813,7 @@ bool TParseContext::arraySetMaxSize(TIntermSymbol *node, TType* type, int size,
// special casing to test index value of gl_FragData. If the accessed index is >= gl_MaxDrawBuffers
// its an error
if (node->getSymbol() == "gl_FragData") {
TSymbol* fragData = symbolTable.find("gl_MaxDrawBuffers", &builtIn);
TSymbol* fragData = symbolTable.find("gl_MaxDrawBuffers", 0, &builtIn);
ASSERT(fragData);
int fragDataValue = static_cast<TVariable*>(fragData)->getConstPointer()[0].getIConst();
......@@ -970,13 +970,13 @@ void TParseContext::handlePragmaDirective(int line, const char* name, const char
//
// Return the function symbol if found, otherwise 0.
//
const TFunction* TParseContext::findFunction(int line, TFunction* call, bool *builtIn)
const TFunction* TParseContext::findFunction(int line, TFunction* call, int shaderVersion, bool *builtIn)
{
// First find by unmangled name to check whether the function name has been
// hidden by a variable name or struct typename.
const TSymbol* symbol = symbolTable.find(call->getName(), builtIn);
const TSymbol* symbol = symbolTable.find(call->getName(), shaderVersion, builtIn);
if (symbol == 0) {
symbol = symbolTable.find(call->getMangledName(), builtIn);
symbol = symbolTable.find(call->getMangledName(), shaderVersion, builtIn);
}
if (symbol == 0) {
......@@ -1056,7 +1056,7 @@ bool TParseContext::executeInitializer(TSourceLoc line, TString& identifier, TPu
variable->shareConstPointer(initializer->getAsConstantUnion()->getUnionArrayPointer());
}
} else if (initializer->getAsSymbolNode()) {
const TSymbol* symbol = symbolTable.find(initializer->getAsSymbolNode()->getSymbol());
const TSymbol* symbol = symbolTable.find(initializer->getAsSymbolNode()->getSymbol(), 0);
const TVariable* tVar = static_cast<const TVariable*>(symbol);
ConstantUnion* constArray = tVar->getConstPointer();
......
src/compiler/ParseHelper.h
......@@ -115,7 +115,7 @@ struct TParseContext {
bool containsSampler(TType& type);
bool areAllChildConst(TIntermAggregate* aggrNode);
const TFunction* findFunction(int line, TFunction* pfnCall, bool *builtIn = 0);
const TFunction* findFunction(int line, TFunction* pfnCall, int shaderVersion, bool *builtIn = 0);
bool executeInitializer(TSourceLoc line, TString& identifier, TPublicType& pType,
TIntermTyped* initializer, TIntermNode*& intermNode, TVariable* variable = 0);
bool arraySetMaxSize(TIntermSymbol*, TType*, int, bool, TSourceLoc);
......
src/compiler/SymbolTable.cpp
//
// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
......@@ -277,3 +277,41 @@ void TSymbolTable::copyTable(const TSymbolTable& copyOf)
precisionStack.push_back( copyOf.precisionStack[i] );
}
}
TSymbol *TSymbolTable::find(const TString &name, int shaderVersion, bool *builtIn, bool *sameScope)
{
int level = currentLevel();
TSymbol *symbol;
do
{
if (level == ESSL3_BUILTINS && shaderVersion != 300) level--;
if (level == ESSL1_BUILTINS && shaderVersion != 100) level--;
symbol = table[level]->find(name);
}
while (symbol == 0 && --level >= 0);
if (builtIn)
*builtIn = (level <= LAST_BUILTIN_LEVEL);
if (sameScope)
*sameScope = (level == currentLevel());
return symbol;
}
TSymbol *TSymbolTable::findBuiltIn(const TString &name, int shaderVersion)
{
for (int level = LAST_BUILTIN_LEVEL; level >= 0; level--)
{
if (level == ESSL3_BUILTINS && shaderVersion != 300) level--;
if (level == ESSL1_BUILTINS && shaderVersion != 100) level--;
TSymbol *symbol = table[level]->find(name);
if (symbol)
return symbol;
}
return 0;
}
src/compiler/SymbolTable.h
......@@ -295,33 +295,8 @@ public:
return table[level]->insert(symbol);
}
TSymbol *find(const TString &name, bool *builtIn = false, bool *sameScope = false)
{
int level = currentLevel();
TSymbol* symbol;
do {
symbol = table[level]->find(name);
--level;
} while (symbol == 0 && level >= 0);
level++;
if (builtIn)
*builtIn = (level <= LAST_BUILTIN_LEVEL);
if (sameScope)
*sameScope = (level == currentLevel());
return symbol;
}
TSymbol *findBuiltIn(const TString &name)
{
for (int i = LAST_BUILTIN_LEVEL; i >= 0; i--) {
TSymbol *symbol = table[i]->find(name);
if (symbol)
return symbol;
}
return 0;
}
TSymbol *find(const TString &name, int shaderVersion, bool *builtIn = false, bool *sameScope = false);
TSymbol *findBuiltIn(const TString &name, int shaderVersion);
TSymbolTableLevel *getOuterLevel() {
assert(currentLevel() >= 1);
......
src/compiler/ValidateLimitations.cpp
//
// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
......@@ -436,7 +436,7 @@ bool ValidateLimitations::validateFunctionCall(TIntermAggregate* node)
bool valid = true;
TSymbolTable& symbolTable = GlobalParseContext->symbolTable;
TSymbol* symbol = symbolTable.find(node->getName());
TSymbol* symbol = symbolTable.find(node->getName(), GlobalParseContext->shaderVersion);
ASSERT(symbol && symbol->isFunction());
TFunction* function = static_cast<TFunction*>(symbol);
for (ParamIndex::const_iterator i = pIndex.begin();
......
src/compiler/glslang.l
......@@ -360,7 +360,7 @@ int check_type(yyscan_t yyscanner) {
struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
int token = IDENTIFIER;
TSymbol* symbol = yyextra->symbolTable.find(yytext);
TSymbol* symbol = yyextra->symbolTable.find(yytext, yyextra->shaderVersion);
if (yyextra->lexAfterType == false && symbol && symbol->isVariable()) {
TVariable* variable = static_cast<TVariable*>(symbol);
if (variable->isUserType()) {
......
src/compiler/glslang.y
......@@ -497,7 +497,7 @@ function_call
//
const TFunction* fnCandidate;
bool builtIn;
fnCandidate = context->findFunction($1.line, fnCall, &builtIn);
fnCandidate = context->findFunction($1.line, fnCall, context->shaderVersion, &builtIn);
if (fnCandidate) {
//
// A declared function.
......@@ -1029,7 +1029,7 @@ function_prototype
//
// Redeclarations are allowed. But, return types and parameter qualifiers must match.
//
TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find($1->getMangledName()));
TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find($1->getMangledName(), context->shaderVersion));
if (prevDec) {
if (prevDec->getReturnType() != $1->getReturnType()) {
context->error($2.line, "overloaded functions must have the same return type", $1->getReturnType().getBasicString());
......@@ -2144,7 +2144,7 @@ function_definition
: function_prototype {
TFunction* function = $1.function;
const TSymbol *builtIn = context->symbolTable.findBuiltIn(function->getMangledName());
const TSymbol *builtIn = context->symbolTable.findBuiltIn(function->getMangledName(), context->shaderVersion);
if (builtIn)
{
......@@ -2152,7 +2152,7 @@ function_definition
context->recover();
}
TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find(function->getMangledName()));
TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find(function->getMangledName(), context->shaderVersion));
//
// Note: 'prevDec' could be 'function' if this is the first time we've seen function
// as it would have just been put in the symbol table. Otherwise, we're looking up
......
src/compiler/glslang_lex.cpp
#line 17 "./glslang.l"
//
// Copyright (c) 2012-2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
......@@ -21,8 +21,6 @@
#line 25 "./glslang_lex.cpp"
#define YY_INT_ALIGNED short int
/* A lexical scanner generated by flex */
......@@ -3094,7 +3092,7 @@ int check_type(yyscan_t yyscanner) {
struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
int token = IDENTIFIER;
TSymbol* symbol = yyextra->symbolTable.find(yytext);
TSymbol* symbol = yyextra->symbolTable.find(yytext, yyextra->shaderVersion);
if (yyextra->lexAfterType == false && symbol && symbol->isVariable()) {
TVariable* variable = static_cast<TVariable*>(symbol);
if (variable->isUserType()) {
......
src/compiler/glslang_tab.cpp
......@@ -2490,7 +2490,7 @@ yyreduce:
//
const TFunction* fnCandidate;
bool builtIn;
fnCandidate = context->findFunction((yyvsp[(1) - (1)].interm).line, fnCall, &builtIn);
fnCandidate = context->findFunction((yyvsp[(1) - (1)].interm).line, fnCall, context->shaderVersion, &builtIn);
if (fnCandidate) {
//
// A declared function.
......@@ -3176,7 +3176,7 @@ yyreduce:
//
// Redeclarations are allowed. But, return types and parameter qualifiers must match.
//
TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find((yyvsp[(1) - (2)].interm.function)->getMangledName()));
TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find((yyvsp[(1) - (2)].interm.function)->getMangledName(), context->shaderVersion));
if (prevDec) {
if (prevDec->getReturnType() != (yyvsp[(1) - (2)].interm.function)->getReturnType()) {
context->error((yyvsp[(2) - (2)].lex).line, "overloaded functions must have the same return type", (yyvsp[(1) - (2)].interm.function)->getReturnType().getBasicString());
......@@ -4618,7 +4618,7 @@ yyreduce:
{
TFunction* function = (yyvsp[(1) - (1)].interm).function;
const TSymbol *builtIn = context->symbolTable.findBuiltIn(function->getMangledName());
const TSymbol *builtIn = context->symbolTable.findBuiltIn(function->getMangledName(), context->shaderVersion);
if (builtIn)
{
......@@ -4626,7 +4626,7 @@ yyreduce:
context->recover();
}
TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find(function->getMangledName()));
TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find(function->getMangledName(), context->shaderVersion));
//
// Note: 'prevDec' could be 'function' if this is the first time we've seen function
// as it would have just been put in the symbol table. Otherwise, we're looking up
......
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