Abstract away (and prettify/shrink) dynamic_cast of AST objects.

git-svn-id: http://svn.drobilla.net/resp/tuplr@104 ad02d1e2-f140-0410-9f75-f8b11f17cedd

1 files changed, 6 insertions, 6 deletions

diff --git a/write.cpp b/write.cpp
index 248e1e1..aab3fb1 100644
--- a/write.cpp
+++ b/write.cpp
@@ -20,23 +20,23 @@
 ostream&
 operator<<(ostream& out, const AST* ast)
 {
-	const ALiteral<float>* flit = dynamic_cast<const ALiteral<float>*>(ast);
+	const ALiteral<float>* flit = ast->to<const ALiteral<float>*>();
 	if (flit)
 		return out << showpoint << flit->val;
 	
-	const ALiteral<int32_t>* ilit = dynamic_cast<const ALiteral<int32_t>*>(ast);
+	const ALiteral<int32_t>* ilit = ast->to<const ALiteral<int32_t>*>();
 	if (ilit)
 		return out << ilit->val;
 	
-	const ALiteral<bool>* blit = dynamic_cast<const ALiteral<bool>*>(ast);
+	const ALiteral<bool>* blit = ast->to<const ALiteral<bool>*>();
 	if (blit)
 		return out << (blit->val ? "#t" : "#f");
 
-	const ASymbol* sym = dynamic_cast<const ASymbol*>(ast);
+	const ASymbol* sym = ast->to<const ASymbol*>();
 	if (sym)
 		return out << sym->cppstr;
 	
-	const AType* type = dynamic_cast<const AType*>(ast);
+	const AType* type = ast->to<const AType*>();
 	if (type) {
 		switch (type->kind) {
 		case AType::VAR:  return out << "?" << type->id;
@@ -45,7 +45,7 @@ operator<<(ostream& out, const AST* ast)
 		}
 	 }
 	
-	const ATuple* tup = dynamic_cast<const ATuple*>(ast);
+	const ATuple* tup = ast->to<const ATuple*>();
 	if (tup) {
 		out << "(";
 		for (size_t i = 0; i != tup->size(); ++i)