From 1c8789198373a52da9e80dc9b2b1ee2b67af61c4 Mon Sep 17 00:00:00 2001
From: Peter Mikkelsen <peter@pmikkelsen.com>
Date: Fri, 16 Jul 2021 00:42:49 +0000
Subject: Make operators local to each module, and implement some more correct
 prettyprint code, used by write_term

---
 builtins.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

(limited to 'builtins.c')

diff --git a/builtins.c b/builtins.c
index 224750a..7230ba4 100644
--- a/builtins.c
+++ b/builtins.c
@@ -137,7 +137,7 @@ findbuiltin(Term *goal)
 		return builtinsetoutput;
 	if(Match(L"$read_term", 3))
 		return builtinreadterm;
-	if(Match(L"write_term", 3))
+	if(Match(L"$write_term", 3))
 		return builtinwriteterm;
 	if(Match(L">=", 2))
 		return builtingeq;
@@ -354,7 +354,6 @@ builtincompare(Term *goal, Binding **bindings, Module *module)
 int
 builtinfunctor(Term *goal, Binding **bindings, Module *module)
 {
-	USED(module);
 	Term *term = goal->children;
 	Term *name = term->next;
 	Term *arity = name->next;
@@ -395,7 +394,7 @@ builtinfunctor(Term *goal, Binding **bindings, Module *module)
 			namestr = term->text;
 			arityint = term->arity;
 		}else{
-			namestr = prettyprint(term, 0, 0, 0);
+			namestr = prettyprint(term, 0, 0, 0, module);
 			arityint = 0;
 		}
 		Term *realname = mkatom(namestr);
@@ -558,11 +557,10 @@ int
 builtinthrow(Term *goal, Binding **bindings, Module *module)
 {
 	USED(bindings);
-	USED(module);
 
 	Term *ball = goal->children;
 
-	print("Throwing: %S\n", prettyprint(ball, 0, 0, 0));
+	print("Throwing: %S\n", prettyprint(ball, 0, 0, 0, module));
 	Goal *g;
 	for(g = goalstack; g != nil; g = g->next){
 		if(g->catcher == nil)
@@ -571,7 +569,7 @@ builtinthrow(Term *goal, Binding **bindings, Module *module)
 		if(unify(g->catcher, ball, bindings)){
 			if(g->goal == nil){
 				/* As soon as we have print facilities as builtins, we can avoid this by having the protector frame have a unhandled exception handler*/
-				print("Unhandled exception: %S\n", prettyprint(ball, 0, 0, 0));
+				print("Unhandled exception: %S\n", prettyprint(ball, 0, 0, 0, module));
 				exits("exception");
 				return 0;
 			}else{
@@ -912,8 +910,6 @@ builtinwriteterm(Term *goal, Binding **bindings, Module *module)
 
 	if(stream->tag == VariableTerm)
 		Throw(instantiationerror());
-	if(options->tag != AtomTerm || runestrcmp(options->text, L"[]") != 0)
-		Throw(typeerror(L"empty_list", options));
 	if(stream->tag != IntegerTerm && stream->tag != AtomTerm)
 		Throw(domainerror(L"stream_or_alias", stream));
 	if(!isopenstream(stream))
@@ -922,7 +918,7 @@ builtinwriteterm(Term *goal, Binding **bindings, Module *module)
 		Throw(permissionerror(L"output", L"stream", stream));
 	if(isbinarystream(stream))
 		Throw(permissionerror(L"output", L"binary_stream", stream));
-	writeterm(stream, options, term);
+	writeterm(stream, options, term, module);
 	return 1;
 }
 
-- 
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