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py/parse: Expose rule-name printing as MICROPY_DEBUG_PARSE_RULE_NAME.

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So it can be enabled without modifying the source.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2020-09-30 23:34:42 +10:00
parent d4b61b0017
commit 843dcd4f85
2 changed files with 7 additions and 5 deletions
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5
py/mpconfig.h
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@ -454,6 +454,11 @@
#define MICROPY_DEBUG_MP_OBJ_SENTINELS (0)
#endif
// Whether to print parse rule names (rather than integers) in mp_parse_node_print
#ifndef MICROPY_DEBUG_PARSE_RULE_NAME
#define MICROPY_DEBUG_PARSE_RULE_NAME (0)
#endif
// Whether to enable a simple VM stack overflow check
#ifndef MICROPY_DEBUG_VM_STACK_OVERFLOW
#define MICROPY_DEBUG_VM_STACK_OVERFLOW (0)

7
py/parse.c
View File

@ -55,9 +55,6 @@
#define RULE_ARG_RULE (0x2000)
#define RULE_ARG_OPT_RULE (0x3000)
// (un)comment to use rule names; for debugging
// #define USE_RULE_NAME (1)
// *FORMAT-OFF*
enum {
@ -192,7 +189,7 @@ static const size_t FIRST_RULE_WITH_OFFSET_ABOVE_255 =
#undef DEF_RULE_NC
0;
#if USE_RULE_NAME
#if MICROPY_DEBUG_PARSE_RULE_NAME
// Define an array of rule names corresponding to each rule
STATIC const char *const rule_name_table[] = {
#define DEF_RULE(rule, comp, kind, ...) #rule,
@ -410,7 +407,7 @@ void mp_parse_node_print(const mp_print_t *print, mp_parse_node_t pn, size_t ind
#endif
} else {
size_t n = MP_PARSE_NODE_STRUCT_NUM_NODES(pns);
#if USE_RULE_NAME
#if MICROPY_DEBUG_PARSE_RULE_NAME
mp_printf(print, "%s(%u) (n=%u)\n", rule_name_table[MP_PARSE_NODE_STRUCT_KIND(pns)], (uint)MP_PARSE_NODE_STRUCT_KIND(pns), (uint)n);
#else
mp_printf(print, "rule(%u) (n=%u)\n", (uint)MP_PARSE_NODE_STRUCT_KIND(pns), (uint)n);