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Parse kernel, vertex, and fragment function attributes. Metadata is not yet being generated.

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This is part of <rdar://problem/14951602> AGP5 bring up: Parse AGP5 kernel function attributes.



Swift SVN r8670
This commit is contained in:
John Garvin
2013-09-25 22:16:57 +00:00
parent cbfe3710f6
commit 4a8ac0d752
10 changed files with 174 additions and 6 deletions
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55
lib/Parse/ParseDecl.cpp
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@@ -462,7 +462,62 @@ bool Parser::parseAttribute(DeclAttributes &Attributes) {
consumeToken(tok::string_literal);
return false;
}
case AttrName::kernel: {
if (!Context.LangOpts.Axle) {
diagnose(Tok, diag::unknown_attribute, Tok.getText());
consumeToken(tok::identifier);
return false;
}
if (Attributes.isKernel())
diagnose(Tok, diag::duplicate_attribute, Tok.getText());
if (Attributes.isVertex())
diagnose(Tok, diag::cannot_combine_attribute, "vertex");
if (Attributes.isFragment())
diagnose(Tok, diag::cannot_combine_attribute, "fragment");
consumeToken(tok::identifier);
Attributes.KernelOrShader = KernelOrShaderKind::Kernel;
return false;
}
case AttrName::vertex: {
if (!Context.LangOpts.Axle) {
diagnose(Tok, diag::unknown_attribute, Tok.getText());
consumeToken(tok::identifier);
return false;
}
if (Attributes.isVertex())
diagnose(Tok, diag::duplicate_attribute, Tok.getText());
if (Attributes.isKernel())
diagnose(Tok, diag::cannot_combine_attribute, "kernel");
if (Attributes.isFragment())
diagnose(Tok, diag::cannot_combine_attribute, "fragment");
consumeToken(tok::identifier);
Attributes.KernelOrShader = KernelOrShaderKind::Vertex;
return false;
}
case AttrName::fragment: {
if (!Context.LangOpts.Axle) {
diagnose(Tok, diag::unknown_attribute, Tok.getText());
consumeToken(tok::identifier);
return false;
}
if (Attributes.isFragment())
diagnose(Tok, diag::duplicate_attribute, Tok.getText());
if (Attributes.isKernel())
diagnose(Tok, diag::cannot_combine_attribute, "kernel");
if (Attributes.isVertex())
diagnose(Tok, diag::cannot_combine_attribute, "vertex");
consumeToken(tok::identifier);
Attributes.KernelOrShader = KernelOrShaderKind::Fragment;
return false;
}
}
llvm_unreachable("bad attribute kind");
}