From a2021fceed6810a5c9f2f14632fc40a5c122cf0e Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Thu, 2 Dec 2010 18:08:44 +0000
Subject: Remove use of ACall type hierarchy from lift phase.

git-svn-id: http://svn.drobilla.net/resp/resp@280 ad02d1e2-f140-0410-9f75-f8b11f17cedd
---
 src/lift.cpp | 52 ++++++++++++++++++++--------------------------------
 1 file changed, 20 insertions(+), 32 deletions(-)

(limited to 'src/lift.cpp')

diff --git a/src/lift.cpp b/src/lift.cpp
index 29a25fe..aea8b0d 100644
--- a/src/lift.cpp
+++ b/src/lift.cpp
@@ -178,7 +178,7 @@ lift_call(CEnv& cenv, Code& code, ACall* call) throw()
 }
 
 static AST*
-lift_def(CEnv& cenv, Code& code, ADef* def) throw()
+lift_def(CEnv& cenv, Code& code, ACall* def) throw()
 {
 	// Define stub first for recursion
 	const ASymbol* const sym  = def->list_ref(1)->as<const ASymbol*>();
@@ -229,45 +229,33 @@ resp_lift(CEnv& cenv, Code& code, AST* ast) throw()
 	if (sym)
 		return lift_symbol(cenv, code, sym);
 
-	ADef* const def = ast->to<ADef*>();
-	if (def)
-		return lift_def(cenv, code, def);
-
 	AFn* const fn = ast->to<AFn*>();
 	if (fn)
 		return lift_fn(cenv, code, fn);
 
-	AIf* const aif = ast->to<AIf*>();
-	if (aif)
-		return lift_builtin_call<AIf>(cenv, code, aif);
-
-	ACons* const cons = ast->to<ACons*>();
-	if (cons)
-		return lift_builtin_call<ACons>(cenv, code, cons);
-	
-	ADot* const dot = ast->to<ADot*>();
-	if (dot)
-		return lift_builtin_call<ADot>(cenv, code, dot);
-
-	AQuote* const quote = ast->to<AQuote*>();
-	if (quote)
-		return lift_builtin_call<AQuote>(cenv, code, quote);
-
-	AMatch* const match = ast->to<AMatch*>();
-	if (match)
-		return match; // FIXME
-
 	APrimitive* const prim = ast->to<APrimitive*>();
 	if (prim)
 		return lift_builtin_call<APrimitive>(cenv, code, prim);
 
-	ADefType* const defType = ast->to<ADefType*>();
-	if (defType)
-		return defType;
-
 	ACall* const call = ast->to<ACall*>();
-	if (call)
-		return lift_call(cenv, code, call);
-
+	if (call) {
+		const ASymbol* const sym  = call->head()->to<const ASymbol*>();
+		const std::string    form = sym ? sym->cppstr : "";
+		if (form == "def")
+			return lift_def(cenv, code, call);
+		else if (form == "if")
+			return lift_builtin_call<AIf>(cenv, code, call);
+		else if (form == "cons" || isupper(form[0]))
+			return lift_builtin_call<ACons>(cenv, code, call);
+		else if (form == ".")
+			return lift_builtin_call<ADot>(cenv, code, call);
+		else if (form == "quote")
+			return lift_builtin_call<AQuote>(cenv, code, call);
+		else if (form == "match" || form == "def-type")
+			return call; // FIXME
+		else
+			return lift_call(cenv, code, call);
+	}
+	
 	return ast;
 }
-- 
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