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HLSL: Implement proper nesting of symbol-table scopes and identifier searching.

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This commit is contained in:
John Kessenich 2016-06-09 02:02:17 -06:00
parent 71351de879
commit 077e052a8f
9 changed files with 204 additions and 51 deletions
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31
hlsl/hlslScanContext.cpp
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@ -314,11 +314,8 @@ void HlslScanContext::deleteKeywordMap()
// Wrapper for tokenizeClass()"] = to get everything inside the token.
void HlslScanContext::tokenize(HlslToken& token)
{
token.isType = false;
EHlslTokenClass tokenClass = tokenizeClass(token);
token.tokenClass = tokenClass;
if (token.isType)
afterType = true;
}
//
@ -338,13 +335,13 @@ EHlslTokenClass HlslScanContext::tokenizeClass(HlslToken& token)
loc = ppToken.loc;
parserToken->loc = loc;
switch (ppToken.token) {
case ';': afterType = false; return EHTokSemicolon;
case ',': afterType = false; return EHTokComma;
case ';': return EHTokSemicolon;
case ',': return EHTokComma;
case ':': return EHTokColon;
case '=': afterType = false; return EHTokAssign;
case '(': afterType = false; return EHTokLeftParen;
case ')': afterType = false; return EHTokRightParen;
case '.': field = true; return EHTokDot;
case '=': return EHTokAssign;
case '(': return EHTokLeftParen;
case ')': return EHTokRightParen;
case '.': return EHTokDot;
case '!': return EHTokBang;
case '-': return EHTokDash;
case '~': return EHTokTilde;
@ -400,7 +397,6 @@ EHlslTokenClass HlslScanContext::tokenizeClass(HlslToken& token)
case PpAtomIdentifier:
{
EHlslTokenClass token = tokenizeIdentifier();
field = false;
return token;
}
@ -542,7 +538,6 @@ EHlslTokenClass HlslScanContext::tokenizeIdentifier()
case EHTokDouble4x2:
case EHTokDouble4x3:
case EHTokDouble4x4:
parserToken->isType = true;
return keyword;
// texturing types
@ -560,7 +555,6 @@ EHlslTokenClass HlslScanContext::tokenizeIdentifier()
case EHTokTexture2darray:
case EHTokTexture3d:
case EHTokTextureCube:
parserToken->isType = true;
return keyword;
// variable, user type, ...
@ -598,19 +592,6 @@ EHlslTokenClass HlslScanContext::tokenizeIdentifier()
EHlslTokenClass HlslScanContext::identifierOrType()
{
parserToken->string = NewPoolTString(tokenText);
if (field)
return EHTokIdentifier;
parserToken->symbol = parseContext.symbolTable.find(*parserToken->string);
if (afterType == false && parserToken->symbol) {
if (const TVariable* variable = parserToken->symbol->getAsVariable()) {
if (variable->isUserType()) {
afterType = true;
return EHTokTypeName;
}
}
}
return EHTokIdentifier;
}