From af85ccd5cda88601226323fbe7e922962ccf1ad0 Mon Sep 17 00:00:00 2001 From: Tucker Evans Date: Sun, 6 Oct 2019 15:39:16 -0400 Subject: Add label in parse tree for code generation --- tree.c | 3 ++- tree.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/tree.c b/tree.c index e9d84e7..dabbb39 100644 --- a/tree.c +++ b/tree.c @@ -23,6 +23,7 @@ ptree *l, *r; t->r = r; t->ret_type = 0; t->attr.nval = 0; + t->label = -1; return t; } @@ -237,7 +238,7 @@ int spaces; fprintf(stderr, "[?: %d]", t->type); yyerror("Error in tree_print"); } - fprintf(stderr," %d\n", t->ret_type); + fprintf(stderr," %d: L %d\n", t->ret_type, t->label); aux_tree_print(t->l, spaces + 2); aux_tree_print(t->r, spaces + 2); } diff --git a/tree.h b/tree.h index b0a1085..cd8a947 100644 --- a/tree.h +++ b/tree.h @@ -16,6 +16,8 @@ typedef struct parse_tree { } attr; int ret_type; struct parse_tree *l, *r; + + int label; } ptree; void aux_tree_print(ptree*, int); -- cgit v1.1