From 376fe21bba246b0bdbd90b9a4101e15c5411b505 Mon Sep 17 00:00:00 2001
From: Leo Tenenbaum <pommicket@gmail.com>
Date: Sun, 3 Nov 2019 20:01:48 -0500
Subject: got pointers to future types to work

---
 cgen.c          | 23 ++++++++++++++++++++++-
 main.c          |  1 -
 test.toc        | 16 +++++++++++++++-
 typedefs_cgen.c | 14 ++------------
 4 files changed, 39 insertions(+), 15 deletions(-)

diff --git a/cgen.c b/cgen.c
index 66ebdc9..cea6bfa 100644
--- a/cgen.c
+++ b/cgen.c
@@ -1268,7 +1268,28 @@ static bool cgen_decl(CGenerator *g, Declaration *d) {
 			Type *type = is_tuple ? &d->type.tuple[idx] : &d->type;
 			Value *val = is_tuple ? &d->val.tuple[idx] : &d->val;
 			if (type->kind == TYPE_TYPE) {
-				/* handled in decls_cgen */
+				/* mostly handled in typedefs_cgen, except for struct declarations */
+				if (val->type->kind == TYPE_STRUCT) {
+					cgen_write(g, "struct ");
+					if (g->block == NULL)
+						cgen_ident(g, i);
+					else
+						cgen_ident_id(g, d->c.ids[idx]);
+					cgen_write(g, "{");
+					cgen_nl(g);
+					g->indent_lvl++;
+					arr_foreach(val->type->struc.fields, Field, f) {
+						if (!cgen_type_pre(g, f->type, d->where)) return false;
+						cgen_write(g, " ");
+						cgen_ident(g, f->name);
+						if (!cgen_type_post(g, f->type, d->where)) return false;
+						cgen_write(g, ";");
+						cgen_nl(g);
+					}
+					g->indent_lvl--;
+					cgen_write(g, "};");
+					cgen_nl(g);
+				}
 				continue;
 			}
 			if (!cgen_val_pre(g, val, type, d->where))
diff --git a/main.c b/main.c
index 436bcd4..671a4e3 100644
--- a/main.c
+++ b/main.c
@@ -1,6 +1,5 @@
 /* 
 TODO:
-pointers to futurely-declared types (or to this type)
 make sure futurely/currently-declared types are *only* used by pointer
 for
 +=, -=, *=, /=
diff --git a/test.toc b/test.toc
index acffe96..00cd372 100644
--- a/test.toc
+++ b/test.toc
@@ -32,7 +32,21 @@ Bar @= struct {
 
 main @= fn() {
 	 f: Foo;
-	 
+	 b: Bar;
+	 f.x = &b;
+	 b.y = &f;
+
+	 Baz @= struct { a : &Quux; };
+	 Quux @= struct { b: &Baz; };
+	 B : Baz;
+	 q : Quux;
+	 B.a = &q;
+	 q.b = &B;
+
+	 Wow @= struct { w: &Wow; };
+	 w: Wow;
+	 w.w = &w;
+
 	 puti(total());
 	 X @= total();
 	 puti(X);
diff --git a/typedefs_cgen.c b/typedefs_cgen.c
index f652ca1..2051acb 100644
--- a/typedefs_cgen.c
+++ b/typedefs_cgen.c
@@ -104,19 +104,9 @@ static bool typedefs_decl(CGenerator *g, Declaration *d) {
 			/* generate typedef */
 			IdentID id;
 			if (g->block != NULL) id = d->c.ids[idx] = g->ident_counter++;
+			if (val->type->kind == TYPE_STRUCT) continue; /* we don't need to typedef this; we can just use its tag */
 			cgen_write(g, "typedef ");
-			if (val->type->kind == TYPE_STRUCT) {
-				cgen_write(g, "struct ");
-				if (g->block == NULL) {
-					/* we can refer to this by its name */
-					cgen_ident(g, i);
-				} else {
-					/* we need to use an ID ): */
-					cgen_ident_id(g, id);
-				}
-			} else {
-				if (!cgen_type_pre(g, val->type, d->where)) return false;
-			}
+			if (!cgen_type_pre(g, val->type, d->where)) return false;
 			cgen_write(g, " ");
 			if (g->block == NULL) {
 				/* we can refer to this by its name */
-- 
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