X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fdebug.cpp;h=2be5bce4ee2a97d5a31408af182c19c3571c0701;hb=eb7ffda6876bd2eeeb64dcb7c82236f36fe5cf43;hp=2f243dc73dc0d25518ce341597749f4255f45d8a;hpb=2280a09a286bbff2eb41783f8023863f320a3736;p=libs%2Fgl.git

diff --git a/source/glsl/debug.cpp b/source/glsl/debug.cpp
index 2f243dc7..2be5bce4 100644
--- a/source/glsl/debug.cpp
+++ b/source/glsl/debug.cpp
@@ -11,7 +11,7 @@ namespace SL {
 std::string DumpTree::apply(Stage &stage)
 {
 	formatted = format("Stage: %s\n", Stage::get_stage_name(stage.type));
-	tree.push_back(BRANCH);
+	begin_sub();
 	append(format("Version: %d.%02d", stage.required_features.glsl_version.major, stage.required_features.glsl_version.minor));
 
 	for(std::map<string, TypeDeclaration *>::const_iterator i=stage.types.begin(); i!=stage.types.end(); ++i)
@@ -78,7 +78,8 @@ void DumpTree::append_subtree(Node &node)
 
 void DumpTree::begin_sub()
 {
-	tree.back() = (tree.back()==BRANCH_LAST ? EMPTY : STRAIGHT);
+	if(!tree.empty())
+		tree.back() = (tree.back()==BRANCH_LAST ? EMPTY : STRAIGHT);
 	tree.push_back(BRANCH);
 }
 
@@ -90,7 +91,7 @@ void DumpTree::last_branch()
 void DumpTree::end_sub()
 {
 	tree.pop_back();
-	if(tree.back()==STRAIGHT)
+	if(!tree.empty() && tree.back()==STRAIGHT)
 		tree.back() = BRANCH;
 }
 
@@ -372,10 +373,7 @@ void DumpTree::visit(VariableDeclaration &var)
 
 void DumpTree::visit(InterfaceBlock &iface)
 {
-	string head;
-	if(!iface.instance_name.empty())
-		head += format("%%%d ", get_label(iface));
-	head += format("%s %s", iface.interface, iface.block_name);
+	string head = format("%%%d %s %s", get_label(iface), iface.interface, iface.block_name);
 	if(!iface.instance_name.empty())
 		head += format(" %s", iface.instance_name);
 	if(iface.array)