From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 25 Feb 2021 22:38:43 +0000 (+0200)
Subject: Unlink declarations on destruction
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=c6d59d1b35ee981c10ee8b9870338ffbaaa23e19

Unlink declarations on destruction

Just in case
---

diff --git a/source/glsl/syntax.cpp b/source/glsl/syntax.cpp
index 6c766fd7..bda0dd1d 100644
--- a/source/glsl/syntax.cpp
+++ b/source/glsl/syntax.cpp
@@ -262,6 +262,12 @@ VariableDeclaration::VariableDeclaration(const VariableDeclaration &other):
 	layout(other.layout)
 { }
 
+VariableDeclaration::~VariableDeclaration()
+{
+	if(linked_declaration && linked_declaration->linked_declaration==this)
+		linked_declaration->linked_declaration = 0;
+}
+
 void VariableDeclaration::visit(NodeVisitor &visitor)
 {
 	visitor.visit(*this);
@@ -284,6 +290,12 @@ InterfaceBlock::InterfaceBlock(const InterfaceBlock &other):
 	linked_block(0)
 { }
 
+InterfaceBlock::~InterfaceBlock()
+{
+	if(linked_block && linked_block->linked_block==this)
+		linked_block->linked_block = 0;
+}
+
 void InterfaceBlock::visit(NodeVisitor &visitor)
 {
 	visitor.visit(*this);
diff --git a/source/glsl/syntax.h b/source/glsl/syntax.h
index f7e778b8..7729611c 100644
--- a/source/glsl/syntax.h
+++ b/source/glsl/syntax.h
@@ -305,6 +305,7 @@ struct VariableDeclaration: Statement
 
 	VariableDeclaration();
 	VariableDeclaration(const VariableDeclaration &);
+	~VariableDeclaration();
 
 	virtual VariableDeclaration *clone() const { return new VariableDeclaration(*this); }
 	virtual void visit(NodeVisitor &);
@@ -321,6 +322,7 @@ struct InterfaceBlock: Statement
 
 	InterfaceBlock();
 	InterfaceBlock(const InterfaceBlock &);
+	~InterfaceBlock();
 
 	virtual InterfaceBlock *clone() const { return new InterfaceBlock(*this); }
 	virtual void visit(NodeVisitor &);