X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fparser.cpp;h=d2261126a652d109deba3c4193713568dc317616;hb=6d11ee7d6137117f441951615cd4cde4d59bf968;hp=c9a812ddbd62f8c45184d565186404b33541f410;hpb=4c805f55d89919d6971d600102ab4d6d65d56dc3;p=libs%2Fgl.git

diff --git a/source/glsl/parser.cpp b/source/glsl/parser.cpp
index c9a812dd..d2261126 100644
--- a/source/glsl/parser.cpp
+++ b/source/glsl/parser.cpp
@@ -447,7 +447,8 @@ RefPtr<Expression> Parser::parse_expression(unsigned precedence)
 			if(token==i->token && (!left || i->type!=Operator::PREFIX) && (left || i->type!=Operator::POSTFIX))
 				oper = i;
 
-		if(token==";" || token==")" || token=="]" || token=="," || (oper && precedence && oper->precedence>=precedence))
+		bool lower_precedence = (oper && oper->type!=Operator::PREFIX && precedence && oper->precedence>=precedence);
+		if(token==";" || token==")" || token=="]" || token=="," || lower_precedence)
 		{
 			if(left)
 				return left;
@@ -496,11 +497,7 @@ RefPtr<Expression> Parser::parse_expression(unsigned precedence)
 				left = parexpr;
 			}
 			else if(isdigit(token[0]) || token=="true" || token=="false")
-			{
-				RefPtr<Literal> literal = new Literal;
-				literal->token = tokenizer.parse_token();
-				left = literal;
-			}
+				left = parse_literal();
 			else if(is_identifier(token))
 			{
 				RefPtr<VariableReference> var = create_node<VariableReference>();
@@ -522,6 +519,26 @@ RefPtr<Expression> Parser::parse_expression(unsigned precedence)
 	}
 }
 
+RefPtr<Literal> Parser::parse_literal()
+{
+	RefPtr<Literal> literal = create_node<Literal>();
+	literal->token = tokenizer.parse_token();
+	if(isdigit(literal->token[0]))
+	{
+		// TODO have the tokenizer return the type of the token
+		if(isnumrc(literal->token))
+			literal->value = lexical_cast<int>(literal->token);
+		else
+			literal->value = lexical_cast<float>(literal->token);
+	}
+	else if(literal->token=="true" || literal->token=="false")
+		literal->value = (literal->token=="true");
+	else
+		throw parse_error(tokenizer.get_location(), literal->token, "a literal");
+
+	return literal;
+}
+
 RefPtr<BinaryExpression> Parser::parse_binary(const RefPtr<Expression> &left, const Operator &oper)
 {
 	RefPtr<BinaryExpression> binary = (oper.precedence==16 ?