minor improvements to error reporting

3 files changed, 10 insertions, 2 deletions

diff --git a/location.c b/location.c
index 74b032c..48fd269 100644
--- a/location.c
+++ b/location.c
@@ -1,3 +1,4 @@
 static bool location_after(Location a, Location b) { /* a is after b? */
+	assert(a.ctx == b.ctx);
 	return a.code > b.code;
 }
diff --git a/test.toc b/test.toc
index be70155..fa54fc3 100644
--- a/test.toc
+++ b/test.toc
@@ -7,10 +7,11 @@ Point @= struct {
 	x, y : int;
 	something:fn(f32);
 	z,asdfasdfasdf:(int,int);
-	safdasdjfhsj@int=3;
+	
 };
 
 main @= fn() {
 	 p:Point;
+a:p;
 	 // asasdfdsfa:(int,int);
 };
diff --git a/types.c b/types.c
index 0932496..1f7169f 100644
--- a/types.c
+++ b/types.c
@@ -363,7 +363,13 @@ static bool type_resolve(Typer *tr, Type *t, Location where) {
 		/* just check if it's actually defined */
 		if (!ident_typeval(t->user.name)) {
 			char *s = ident_to_str(t->user.name);
-			err_print(where, "Use of undeclared type %s.", s);
+			IdentDecl *idecl = ident_decl(t->user.name);
+			if (idecl) {
+				err_print(where, "Use of non-type identifier %s as type.", s);
+				info_print(idecl->decl->where, "%s is declared here.", s);
+			} else {
+				err_print(where, "Use of undeclared type %s.", s);
+			}
 			free(s);
 			return false;
 		}