From 0b014dee824646461b7d402bf9bbcf954ff0eba3 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 27 Dec 2010 17:51:29 +0000
Subject: Kill AType.

git-svn-id: http://svn.drobilla.net/resp/resp@359 ad02d1e2-f140-0410-9f75-f8b11f17cedd
---
 src/compile.cpp | 57 +++++++++++++++++++++++++++++----------------------------
 1 file changed, 29 insertions(+), 28 deletions(-)

(limited to 'src/compile.cpp')

diff --git a/src/compile.cpp b/src/compile.cpp
index 3c16fbf..4fed182 100644
--- a/src/compile.cpp
+++ b/src/compile.cpp
@@ -29,24 +29,39 @@ using namespace std;
 static CVal
 compile_symbol(CEnv& cenv, const ASymbol* sym) throw()
 {
-	if (cenv.repl && cenv.vals.topLevel(sym) && cenv.type(sym)->head()->str() != "Fn") {
+	if (cenv.repl && cenv.vals.topLevel(sym) && !is_form(cenv.type(sym), "Fn")) {
 		return cenv.engine()->compileGlobalGet(cenv, sym->sym(), *cenv.vals.ref(sym));
 	} else {
 		return *cenv.vals.ref(sym);
 	}
 }
 
+static CVal
+compile_type(CEnv& cenv, const AST* type) throw()
+{
+	const ASymbol* sym      = type->as_tuple()->head()->as_symbol();
+	CVal*          existing = cenv.vals.ref(sym);
+	if (existing) {
+		return *existing;
+	} else {
+		CVal compiled = cenv.engine()->compileString(
+			cenv, (string("__T_") + type->as_tuple()->head()->str()).c_str());
+		cenv.vals.def(sym, compiled);
+		return compiled;
+	}
+}
+
 static CVal
 compile_cons(CEnv& cenv, const ATuple* cons) throw()
 {
-	AType*       type = new AType(cons->head()->as_symbol(), NULL, Cursor());
-	TList        tlist(type);
+	ATuple*      type = new ATuple(cons->head()->as_symbol(), NULL, Cursor());
+	List         tlist(type);
 	vector<CVal> fields;
 	for (ATuple::const_iterator i = cons->iter_at(1); i != cons->end(); ++i) {
 		tlist.push_back(cenv.type(*i));
 		fields.push_back(resp_compile(cenv, *i));
 	}
-	return cenv.engine()->compileCons(cenv, type, resp_compile(cenv, type), fields);
+	return cenv.engine()->compileCons(cenv, type, compile_type(cenv, type), fields);
 }
 
 static CVal
@@ -67,7 +82,7 @@ compile_def(CEnv& cenv, const ATuple* def) throw()
 	const AST*     const body = def->list_ref(2);
 	cenv.def(sym, body, cenv.type(body), NULL); // define stub first for recursion
 	CVal val = resp_compile(cenv, body);
-	if (cenv.repl && cenv.vals.size() == 1 && cenv.type(body)->head()->str() != "Fn") {
+	if (cenv.repl && cenv.vals.size() == 1 && !is_form(cenv.type(body), "Fn")) {
 		val = cenv.engine()->compileGlobalSet(
 			cenv, sym->str(), val, cenv.type(body));
 		cenv.lock(def);
@@ -91,14 +106,14 @@ compile_fn(CEnv& cenv, const ATuple* fn) throw()
 {
 	assert(!cenv.currentFn);
 
-	const AType* type = cenv.type(fn);
+	const AST* type = cenv.type(fn);
 	CFunc f = cenv.findImpl(fn, type);
 	if (f)
 		return f;
 
 	// Write function declaration and push stack frame
-	f = cenv.engine()->startFn(cenv, cenv.name(fn), fn->prot(), type);
-	cenv.engine()->pushFnArgs(cenv, fn->prot(), type, f);
+	f = cenv.engine()->startFn(cenv, cenv.name(fn), fn->prot(), type->as_tuple());
+	cenv.engine()->pushFnArgs(cenv, fn->prot(), type->as_tuple(), f);
 	cenv.currentFn = f;
 
 	// Write function body
@@ -129,24 +144,11 @@ compile_if(CEnv& cenv, const ATuple* aif) throw()
 static CVal
 compile_tag_is(CEnv& cenv, const ATuple* call) throw()
 {
-	const AST*     lhs = call->list_ref(1);
-	const ASymbol* rhs = call->list_ref(2)->as_symbol();
-	return cenv.engine()->compileIsA(cenv, resp_compile(cenv, lhs), rhs);
-}
+	const AST*     lhs  = call->list_ref(1);
+	const ASymbol* tag  = call->list_ref(2)->as_symbol();
+	const ATuple*  patT = new ATuple(tag, 0, Cursor());
 
-static CVal
-compile_type(CEnv& cenv, const AType* type) throw()
-{
-	const ASymbol* sym = type->head()->as_symbol();
-	CVal* existing = cenv.vals.ref(sym);
-	if (existing) {
-		return *existing;
-	} else {
-		CVal compiled = cenv.engine()->compileString(
-			cenv, (string("__T_") + type->head()->str()).c_str());
-		cenv.vals.def(sym, compiled);
-		return compiled;
-	}
+	return cenv.engine()->compileIsA(cenv, resp_compile(cenv, lhs), compile_type(cenv, patT));
 }
 
 static CVal
@@ -161,7 +163,7 @@ compile_call(CEnv& cenv, const ATuple* call) throw()
 	for (ATuple::const_iterator e = call->iter_at(1); e != call->end(); ++e)
 		args.push_back(resp_compile(cenv, *e));
 
-	return cenv.engine()->compileCall(cenv, f, cenv.type(call->head()), args);
+	return cenv.engine()->compileCall(cenv, f, cenv.type(call->head())->as_tuple(), args);
 }
 
 CVal
@@ -170,11 +172,10 @@ resp_compile(CEnv& cenv, const AST* ast) throw()
 	switch (ast->tag()) {
 	case T_UNKNOWN:
 		return NULL;
-	case T_TYPE:
-		return compile_type(cenv, ast->as_type());
 	case T_BOOL:
 	case T_FLOAT:
 	case T_INT32:
+	case T_TVAR:
 		return cenv.engine()->compileLiteral(cenv, ast);
 	case T_STRING:
 		return cenv.engine()->compileString(cenv, ((AString*)ast)->cppstr.c_str());
-- 
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