From c6d13abfc122c15ecc182b1fc5645628e8eb4d18 Mon Sep 17 00:00:00 2001
From: Tucker Evans <tuckerevans24@gmail.com>
Date: Thu, 5 Sep 2019 17:59:44 -0400
Subject: Add function argument types

---
 main.c  | 23 +++++++++++++++++++++++
 pc.h    |  3 ++-
 pc.y    |  3 +++
 scope.c |  7 ++++++-
 4 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/main.c b/main.c
index d6cffdd..6c601ff 100644
--- a/main.c
+++ b/main.c
@@ -162,6 +162,29 @@ ptree *t;
 	return l + r;
 }
 
+int set_func_types(t, nxt, size)
+ptree *t;
+int size, *nxt;
+{
+	int tmp;
+
+	if (!t)
+		return size;
+
+	if (t->type == LIST){
+		tmp = set_func_types(t->l, nxt, size);
+		for (;size > tmp; --size) ++nxt;
+		size = set_func_types(t->r, nxt, size);
+	} else if (t->type == ID){
+		if (--size == -1)
+			yyerror("VARIABLE COUNT CHANGED!!!\n");
+
+		*nxt = t->attr.nval->var_type;
+		return size;
+	}
+	return size;
+}
+
 int main()
 {
 #ifdef DEBUG_TYPES
diff --git a/pc.h b/pc.h
index ea49612..653b720 100644
--- a/pc.h
+++ b/pc.h
@@ -9,8 +9,9 @@ char* pretty_type(int);
 void debug_print(int, union YYSTYPE*);
 
 int yyerror(char*);
-#endif
 
 int count_args(ptree*);
+int set_func_types(ptree*, int*, int);
+#endif
 
 #define DEBUG
diff --git a/pc.y b/pc.y
index 3f3f7ad..8991403 100644
--- a/pc.y
+++ b/pc.y
@@ -188,6 +188,9 @@ sub_prog_head
 		tmp->func_info->argc = i;
 		assert(tmp->func_info->argv = malloc(i * sizeof(int)));
 
+		print_tree($3);
+		assert(!set_func_types($3, tmp->func_info->argv, i));
+
 		tmp->var_type = $5;
 
 		cur_scope->ret_var = scope_insert(cur_scope, $2);
diff --git a/scope.c b/scope.c
index 00e2417..9d9da5e 100644
--- a/scope.c
+++ b/scope.c
@@ -146,8 +146,13 @@ scope *s;
 
 	for (i = 0; i < HASH_SIZE; i++) {
 		for( tmp=s->table[i]; tmp; tmp = tmp->next) {
-			fprintf(stderr, "\t%s:%s\n", tmp->name, 
+			fprintf(stderr, "\t%s:%s\t", tmp->name,
 				pretty_type(tmp->var_type));
+			if (tmp->func_info && tmp->func_info->argv) {
+			for (int i = 0; i < tmp->func_info->argc; i++)
+					fprintf(stderr, " %s ", pretty_type(tmp->func_info->argv[i]));
+			}
+			fprintf(stderr, "\n");
 		}
 	}
 }
-- 
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