X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramparser.cpp;h=4f08b97718d26afe4ab1b41b60af3ee5f737d70b;hp=b3a226fc98c55d2d9ceed2f39e9e498b4c68a71a;hb=d901696935a6bf9fdad6ac8abe65ffab79bd297d;hpb=11520b2b95f4242b3ca4d2d3d14a0f2b5c1623f1

diff --git a/source/programparser.cpp b/source/programparser.cpp
index b3a226fc..4f08b977 100644
--- a/source/programparser.cpp
+++ b/source/programparser.cpp
@@ -3,6 +3,8 @@
 #include <msp/strings/regex.h>
 #include "programparser.h"
 
+#undef interface
+
 using namespace std;
 
 namespace Msp {
@@ -263,7 +265,7 @@ void ProgramParser::skip_comment_and_whitespace()
 		{
 			if(*iter=='/')
 				comment = 0;
-			else
+			else if(*iter!='*')
 				comment = 3;
 		}
 
@@ -315,7 +317,7 @@ bool ProgramParser::is_interface_qualifier(const string &token)
 
 bool ProgramParser::is_sampling_qualifier(const string &token)
 {
-	return token=="centroid";
+	return (token=="centroid" || token=="sample");
 }
 
 bool ProgramParser::is_interpolation_qualifier(const string &token)
@@ -484,7 +486,9 @@ RefPtr<Node> ProgramParser::parse_statement()
 	if(token=="if")
 		return parse_conditional();
 	else if(token=="for")
-		return parse_iteration();
+		return parse_for();
+	else if(token=="while")
+		return parse_while();
 	else if(token=="passthrough")
 		return parse_passthrough();
 	else if(token=="return")
@@ -843,7 +847,7 @@ RefPtr<Conditional> ProgramParser::parse_conditional()
 	return cond;
 }
 
-RefPtr<Iteration> ProgramParser::parse_iteration()
+RefPtr<Iteration> ProgramParser::parse_for()
 {
 	expect("for");
 	expect("(");
@@ -853,14 +857,32 @@ RefPtr<Iteration> ProgramParser::parse_iteration()
 		loop->init_statement = parse_statement();
 	else
 	{
-		RefPtr<ExpressionStatement> expr = new ExpressionStatement;
-		expr->expression = parse_expression();
+		if(token!=";")
+		{
+			RefPtr<ExpressionStatement> expr = new ExpressionStatement;
+			expr->expression = parse_expression();
+			loop->init_statement = expr;
+		}
 		expect(";");
-		loop->init_statement = expr;
 	}
-	loop->condition = parse_expression();
+	if(peek_token()!=";")
+		loop->condition = parse_expression();
 	expect(";");
-	loop->loop_expression = parse_expression();
+	if(peek_token()!=")")
+		loop->loop_expression = parse_expression();
+	expect(")");
+
+	parse_block(loop->body, false);
+
+	return loop;
+}
+
+RefPtr<Iteration> ProgramParser::parse_while()
+{
+	expect("while");
+	expect("(");
+	RefPtr<Iteration> loop = new Iteration;
+	loop->condition = parse_expression();
 	expect(")");
 
 	parse_block(loop->body, false);