Index: src/SynTree/Statement.cc
===================================================================
--- src/SynTree/Statement.cc	(revision 982832e24b58f99cf8d892fbb03bfd2c5cd57b15)
+++ src/SynTree/Statement.cc	(revision 1dcd955480c332b81ce157f2b7ccf8e34ad2acd3)
@@ -168,5 +168,5 @@
 }
 
-SwitchStmt::SwitchStmt( std::list<Label> labels, Expression * condition, std::list<Statement *> &statements ):
+SwitchStmt::SwitchStmt( std::list<Label> labels, Expression * condition, const std::list<Statement *> &statements ):
 	Statement( labels ), condition( condition ), statements( statements ) {
 }
@@ -196,5 +196,5 @@
 }
 
-CaseStmt::CaseStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &statements, bool deflt ) throw ( SemanticError ) :
+CaseStmt::CaseStmt( std::list<Label> labels, Expression *condition, const std::list<Statement *> &statements, bool deflt ) throw ( SemanticError ) :
 	Statement( labels ), condition( condition ), stmts( statements ), _isDefault( deflt ) {
 	if ( isDefault() && condition != 0 )
Index: src/SynTree/Statement.h
===================================================================
--- src/SynTree/Statement.h	(revision 982832e24b58f99cf8d892fbb03bfd2c5cd57b15)
+++ src/SynTree/Statement.h	(revision 1dcd955480c332b81ce157f2b7ccf8e34ad2acd3)
@@ -157,5 +157,5 @@
 	std::list<Statement *> statements;
 
-	SwitchStmt( std::list<Label> labels, Expression *condition, std::list<Statement *> &statements );
+	SwitchStmt( std::list<Label> labels, Expression *condition, const std::list<Statement *> &statements );
 	SwitchStmt( const SwitchStmt &other );
 	virtual ~SwitchStmt();
@@ -179,5 +179,5 @@
 	std::list<Statement *> stmts;
 
-	CaseStmt( std::list<Label> labels, Expression *conditions, std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError);
+	CaseStmt( std::list<Label> labels, Expression *conditions, const std::list<Statement *> &stmts, bool isdef = false ) throw(SemanticError);
 	CaseStmt( const CaseStmt &other );
 	virtual ~CaseStmt();