commit cee1c1566cd93830e1d106d3d141c0eb0bffa000
Author: Roberto E. Vargas Caballero <[email protected]>
AuthorDate: Mon Sep 26 11:27:05 2016 +0200
Commit: Roberto E. Vargas Caballero <[email protected]>
CommitDate: Mon Sep 26 11:27:05 2016 +0200
[cc2] Add print node functions
These functions are intended only for debugging
diff --git a/cc2/cc2.h b/cc2/cc2.h
index a91cadf..cb0d9c4 100644
--- a/cc2/cc2.h
+++ b/cc2/cc2.h
@@ -228,8 +228,10 @@ extern void apply(Node *(*fun)(Node *));
extern void cleannodes(void);
extern void delnode(Node *np);
extern void deltree(Node *np);
+extern void prtree(Node *np), prforest(char *msg);
extern Node *newnode(int op);
extern Node *addstmt(Node *np, int flags);
+extern Node *delstmt(void);
extern Node *nextstmt(void);
/* symbol.c */
diff --git a/cc2/node.c b/cc2/node.c
index 8299431..7306722 100644
--- a/cc2/node.c
+++ b/cc2/node.c
@@ -46,6 +46,41 @@ newnode(int op)
return np;
}
+#ifndef NDEBUG
+#include <stdio.h>
+
+static void
+prnode(Node *np)
+{
+ if (np->left)
+ prnode(np->left);
+ if (np->right)
+ prnode(np->right);
+ fprintf(stderr, "\t%c%lu", np->op, np->type.size);
+}
+
+void
+prtree(Node *np)
+{
+ prnode(np);
+ putc('\n', stderr);
+}
+
+void
+prforest(char *msg)
+{
+ Node *np;
+
+ if (!curfun)
+ return;
+
+ fprintf(stderr, "%s {\n", msg);
+ for (np = curfun->u.stmt; np; np = np->next)
+ prtree(np);
+ fputs("}\n", stderr);
+}
+#endif
+
Node *
addstmt(Node *np, int flag)
{
