private void ParsePass()
{
var pass = new Ast.Pass() {Span = currentToken.Span};
// Get Pass name if any.
var ident = NextToken();
if (ident.Type == TokenType.Identifier)
{
pass.Name = ident.Value;
NextToken();
}
if (!Expect(TokenType.LeftCurlyBrace))
return;
// Add the technique being parsed
currentPass = pass;
bool continueParsingTecnhique = true;
bool isParseOk = false;
do
{
var token = NextToken();
switch (token.Type)
{
case TokenType.Identifier:
if (!ParseStatement())
continueParsingTecnhique = false;
break;
case TokenType.RightCurlyBrace:
isParseOk = true;
continueParsingTecnhique = false;
break;
// fxc doesn't support empty statements, so we don't support them.
//case TokenType.SemiColon:
// // Skip empty statements
// break;
default:
Logger.Error("Unexpected token [{0}]. Expecting tokens ['identifier','}}']", currentToken.Span, currentToken);
continueParsingTecnhique = false;
break;
}
} while (continueParsingTecnhique);
if (isParseOk)
currentTechnique.Passes.Add(pass);
}
private void ParsePass()
{
var pass = new Ast.Pass()
{
Span = currentToken.Span
};
// Get Pass name if any.
var ident = NextToken();
if (ident.Type == TokenType.Identifier)
{
pass.Name = ident.Value;
NextToken();
}
if (!Expect(TokenType.LeftCurlyBrace))
{
return;
}
// Add the technique being parsed
currentPass = pass;
bool continueParsingTecnhique = true;
bool isParseOk = false;
do
{
var token = NextToken();
switch (token.Type)
{
case TokenType.Identifier:
if (!ParseStatement())
{
continueParsingTecnhique = false;
}
break;
case TokenType.RightCurlyBrace:
isParseOk = true;
continueParsingTecnhique = false;
break;
// fxc doesn't support empty statements, so we don't support them.
//case TokenType.SemiColon:
// // Skip empty statements
// break;
default:
Logger.Error("Unexpected token [{0}]. Expecting tokens ['identifier','}}']", currentToken.Span, currentToken);
continueParsingTecnhique = false;
break;
}
} while (continueParsingTecnhique);
if (isParseOk)
{
currentTechnique.Passes.Add(pass);
}
}