local variables should be done

1 files changed, 15 insertions, 7 deletions

diff --git a/src/main.c b/src/main.c
index 10e8d5a..4bbe051 100644
--- a/src/main.c
+++ b/src/main.c
@@ -131,7 +131,7 @@ tokenize(char *p)
 			continue;
 		}
 
-		if (isalpha(*p)) {
+		if (isalpha(*p) || *p == '_') {
 			char *q = p;
 			while (isalnum(*p) || *p == '_')
 				p += 1;
@@ -549,7 +549,7 @@ static int depth;
 static void gen_expr(Node *node);
 static void gen_globaldec(Node *node);
 static void gen_fncall(Node *node);
-static void gen_globalget(Node *node);
+static void gen_variableget(Node *node);
 
 static void
 gen_expr(Node *node)
@@ -566,7 +566,7 @@ gen_expr(Node *node)
 	}
 
 	if (node->type == NOD_WORD) {
-		gen_globalget(node);
+		gen_variableget(node);
 		return;
 	}
 
@@ -628,10 +628,18 @@ gen_fncall(Node *node)
 }
 
 static void
-gen_globalget(Node *node)
+gen_variableget(Node *node)
 {
-	printf("\tLIT ,__gl_%.*s\n", node->len, node->loc);
-	printf("\tLDA\n");
+	const int found = node_find(locals, node);
+	if (found != -1) {
+		printf("\tLIT ,__stack_ptr LDA\n");
+		if (locals_size - found - 1)
+			printf("\tLIT %04x SUB\n", locals_size - found - 1);
+		printf("\tLDA\n");
+	} else {
+		printf("\tLIT ,__gl_%.*s\n", node->len, node->loc);
+		printf("\tLDA\n");
+	}
 	depth += 1;
 }
 
@@ -668,7 +676,7 @@ gen_function(Node *node)
 		const int offset = locals_size + i - argcount;
 		if (offset)
 			printf("\tLIT %04x SUB\n", offset);
-		printf("\tSWP STA\n");
+		printf("\tSTA\n");
 		cur = cur->next;
 	}