private PassSyntax ParseUnityPass()
{
var passKeyword = Match(SyntaxKind.PassKeyword);
var openBraceToken = Match(SyntaxKind.OpenBraceToken);
var statements = new List <SyntaxNode>();
var shouldContinue = true;
while (shouldContinue && Current.Kind != SyntaxKind.CloseBraceToken)
{
switch (Current.Kind)
{
case SyntaxKind.TagsKeyword:
statements.Add(ParseUnityShaderTags());
break;
case SyntaxKind.NameKeyword:
statements.Add(ParseUnityName());
break;
default:
shouldContinue = TryParseStateProperty(statements);
break;
}
}
ShaderProgramSyntax shaderProgram = null;
if (Current.Kind == SyntaxKind.CgProgramKeyword || Current.Kind == SyntaxKind.HlslProgramKeyword)
{
shaderProgram = ParseUnityShaderProgram();
}
var closeBraceToken = Match(SyntaxKind.CloseBraceToken);
return(new PassSyntax(
passKeyword,
openBraceToken,
statements,
shaderProgram,
closeBraceToken));
}
public override void VisitShaderProgram(ShaderProgramSyntax node)
{
AddBlockSpan(node.BeginProgramKeyword, node.EndProgramKeyword);
}
public virtual void VisitShaderProgram(ShaderProgramSyntax node)
{
DefaultVisit(node);
}
