From 11b46650941f54bf7b95648de04c897656b9867b Mon Sep 17 00:00:00 2001
From: Tucker Evans <tuckerevans24@gmail.com>
Date: Thu, 12 Sep 2019 19:50:14 -0400
Subject: Fix setting type for multiple declared arrays

---
 pc.y    |  6 +++---
 scope.c |  7 +++++++
 tree.c  | 40 ++++++++++++++++++++++++++++++++++------
 tree.h  |  2 +-
 4 files changed, 45 insertions(+), 10 deletions(-)

diff --git a/pc.y b/pc.y
index c144043..26d766f 100644
--- a/pc.y
+++ b/pc.y
@@ -81,7 +81,7 @@ extern scope *cur_scope;
 %type <tval> proc_statement
 
 %type <tval> var
-%type <ival> type
+%type <tval> type
 %type <ival> standard_type
 
 %type <ival> TD
@@ -131,11 +131,11 @@ var_declarations
 type
 	:standard_type
 	{
-		$$ = $1;
+		$$ = mktree($1, NULL, NULL);
 	}
 	|ARRAY '[' INUM DOTS INUM ']' OF standard_type
 	{
-		$$ = ARRAY - $8;
+		$$ = mktree(ARRAY - $8, mkinum($3), mkinum($5));
 	}
 ;
 
diff --git a/scope.c b/scope.c
index 9d9da5e..0355014 100644
--- a/scope.c
+++ b/scope.c
@@ -146,8 +146,15 @@ scope *s;
 
 	for (i = 0; i < HASH_SIZE; i++) {
 		for( tmp=s->table[i]; tmp; tmp = tmp->next) {
+			if(!tmp->array_info)
 			fprintf(stderr, "\t%s:%s\t", tmp->name,
 				pretty_type(tmp->var_type));
+			else
+			fprintf(stderr, "\t%s:%s [%d:%d]\t", tmp->name,
+				pretty_type(tmp->var_type),
+				tmp->array_info->start_idx,
+				tmp->array_info->start_idx
+				+ tmp->array_info->size);
 			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]));
diff --git a/tree.c b/tree.c
index b30fa35..35fe071 100644
--- a/tree.c
+++ b/tree.c
@@ -60,31 +60,51 @@ ptree *l, *r;
 	return p;
 }
 
-void update_type_info(list, type)
-int type;
-ptree *list;
+void update_type_info(list, t)
+ptree *list, *t;
 {
-	assert(list);
+	int type;
+	struct ai *info = NULL;
+	assert(list && t);
+
+	type = t->type;
+	if (type != INT && type != REAL){
+		assert(info = malloc(sizeof(struct ai)));
+		info->size = t->r->attr.ival - t->l->attr.ival;
+		info->start_idx = t->l->attr.ival;
+	}
+
 	if (list->type == ID) {
 		list->attr.nval->var_type = type;
+		if (info)
+			list->attr.nval->array_info = info;
 		return;
 	}
 
 	while (list->r && list->r->type == ID) {
 		/*Set type of right child through list*/
 		list->r->attr.nval->var_type = type;
+		if (info)
+			list->r->attr.nval->array_info = info;
 
 		if (list->l) {
 			if (list->l->type == LIST) {
 				list = list->l;
 				continue; /*Continue down list*/
-			} else if (list->l->type == ID)
+			} else if (list->l->type == ID) {
 				/*Set type of first declared ID
 				    (only left node in LIST)*/
 				list->l->attr.nval->var_type = type;
+				if (info){
+					list->l->attr.nval->array_info = info;
+				}
+			}
 		}
-		return; /*At _end_ of list (did not continue)*/
+		break; /*At _end_ of list (did not continue)*/
 	}
+
+	/*TODO free t. and list?*/
+	return;
 }
 
 void set_ret_type(t)
@@ -189,6 +209,14 @@ int spaces;
 		case FCALL:
 			fprintf(stderr, "[CALL]");
 			break;
+		case INT:
+		case REAL:
+			fprintf(stderr, "[STD TYPE]");
+			break;
+		case ARRAY - INT:
+		case ARRAY - REAL:
+			fprintf(stderr, "[ARRAY]");
+			break;
 		default:
 			fprintf(stderr, "[?: %d]", t->type);
 			yyerror("Error in tree_print");
diff --git a/tree.h b/tree.h
index 23edf8f..0c0cd74 100644
--- a/tree.h
+++ b/tree.h
@@ -27,7 +27,7 @@ ptree* mkinum(int);
 ptree* mkrnum(float);
 ptree* mkop(int, int, ptree*, ptree*);
 
-void update_type_info(ptree*, int);
+void update_type_info(ptree*, ptree*);
 void set_ret_type(ptree*);
 
 #endif
-- 
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