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authorMattias Andrée <maandree@operamail.com>2014-11-16 21:08:47 +0100
committerMattias Andrée <maandree@operamail.com>2014-11-16 21:08:52 +0100
commit73963c3f7ec3f7e099a0d683d7d839897f31cf1e (patch)
treee51f04097c35cd05254a48ac807e7a003511310d /src/mds-kbdc
parentmds-kbdc: working on transing mapping statements into trees (diff)
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mds-kbdc: fix stack bug when parsing mapping statements
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src/mds-kbdc')
-rw-r--r--src/mds-kbdc/make-tree.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/src/mds-kbdc/make-tree.c b/src/mds-kbdc/make-tree.c
index d646fc3..8cdc91b 100644
--- a/src/mds-kbdc/make-tree.c
+++ b/src/mds-kbdc/make-tree.c
@@ -30,6 +30,29 @@
#include <stdio.h>
+#ifndef DEBUG
+# define DEBUG_PROC(statements)
+#else
+# define DEBUG_PROC(statements) statements
+#endif
+
+
+/**
+ * Print the current keyword stack, this is intended to
+ * as a compiler debugging feature and should be used from
+ * inside `DEBUG_PROC`
+ */
+#define PRINT_STACK \
+ do \
+ { \
+ size_t i = stack_ptr; \
+ fprintf(stderr, "stack {\n"); \
+ while (i--) \
+ fprintf(stderr, " %s\n", keyword_stack[i]); \
+ fprintf(stderr, "}\n"); \
+ } \
+ while (0)
+
/**
* Wrapper around `asprintf` that makes sure that first
@@ -514,8 +537,9 @@
break; \
end = line + 1; \
NEW_ERROR(1, ERROR, "premature end of sequence"); \
- for (; stack_ptr > stack_orig; stack_ptr--) \
+ while (stack_ptr > stack_orig) \
{ \
+ stack_ptr--; \
NEW_ERROR(1, NOTE, "missing associated ‘%s’", keyword_stack[stack_ptr]); \
error->start = tree_stack[stack_ptr][0]->loc_start; \
error->end = tree_stack[stack_ptr][0]->loc_end; \