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HLSL: Add back in the [subcomponent] part of a 'register' decl.

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This commit is contained in:
John Kessenich
2016-07-30 10:29:54 -06:00
parent dd50d025d6
commit b38f071605
6 changed files with 96 additions and 55 deletions
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34
hlsl/hlslGrammar.cpp
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@@ -2523,10 +2523,10 @@ void HlslGrammar::acceptArraySpecifier(TArraySizes*& arraySizes)
}
// post_decls
// : COLON semantic // optional
// COLON PACKOFFSET LEFT_PAREN c[Subcomponent][.component] RIGHT_PAREN // optional
// COLON REGISTER LEFT_PAREN [shader_profile,] Type# RIGHT_PAREN // optional
// annotations // optional
// : COLON semantic // optional
// COLON PACKOFFSET LEFT_PAREN c[Subcomponent][.component] RIGHT_PAREN // optional
// COLON REGISTER LEFT_PAREN [shader_profile,] Type#[subcomp]opt RIGHT_PAREN // optional
// annotations // optional
//
void HlslGrammar::acceptPostDecls(TType& type)
{
@@ -2561,31 +2561,45 @@ void HlslGrammar::acceptPostDecls(TType& type)
expected("semantic or packoffset or register");
return;
} else if (*idToken.string == "register") {
// REGISTER LEFT_PAREN [shader_profile,] Type# RIGHT_PAREN
// REGISTER LEFT_PAREN [shader_profile,] Type#[subcomp]opt RIGHT_PAREN
if (! acceptTokenClass(EHTokLeftParen)) {
expected("(");
return;
}
HlslToken registerDesc;
HlslToken registerDesc; // for Type#
HlslToken profile;
if (! acceptIdentifier(registerDesc)) {
expected("register number description");
return;
}
HlslToken profile;
if (acceptTokenClass(EHTokComma)) {
// then we didn't really see the registerDesc yet, it was
// actually the profile
// Then we didn't really see the registerDesc yet, it was
// actually the profile. Adjust...
profile = registerDesc;
if (! acceptIdentifier(registerDesc)) {
expected("register number description");
return;
}
}
int subComponent = 0;
if (acceptTokenClass(EHTokLeftBracket)) {
// LEFT_BRACKET subcomponent RIGHT_BRACKET
if (! peekTokenClass(EHTokIntConstant)) {
expected("literal integer");
return;
}
subComponent = token.i;
advanceToken();
if (! acceptTokenClass(EHTokRightBracket)) {
expected("]");
break;
}
}
if (! acceptTokenClass(EHTokRightParen)) {
expected(")");
break;
}
parseContext.handleRegister(registerDesc.loc, type, profile.string, *registerDesc.string);
parseContext.handleRegister(registerDesc.loc, type, profile.string, *registerDesc.string, subComponent);
} else {
// semantic, in idToken.string
parseContext.handleSemantic(type, *idToken.string);