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Added a void* user_data pointer to HAction

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This commit is contained in:
Dan Hirsch 2013-11-23 12:53:11 -06:00
parent bba60f5db9
commit e487d5435c
18 changed files with 83 additions and 73 deletions
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16
src/parsers/bits.c
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@ -17,7 +17,9 @@ static HParseResult* parse_bits(void* env, HParseState *state) {
return make_result(state->arena, result);
}
static HParsedToken *reshape_bits(const HParseResult *p, bool signedp) {
static HParsedToken *reshape_bits(const HParseResult *p, void* signedp_p) {
// signedp == NULL iff unsigned
bool signedp = (signedp_p != NULL);
// XXX works only for whole bytes
// XXX assumes big-endian
assert(p->ast);
@ -45,12 +47,6 @@ static HParsedToken *reshape_bits(const HParseResult *p, bool signedp) {
return ret;
}
static HParsedToken *reshape_bits_unsigned(const HParseResult *p) {
return reshape_bits(p, false);
}
static HParsedToken *reshape_bits_signed(const HParseResult *p) {
return reshape_bits(p, true);
}
static void desugar_bits(HAllocator *mm__, HCFStack *stk__, void *env) {
struct bits_env *bits = (struct bits_env*)env;
@ -67,9 +63,9 @@ static void desugar_bits(HAllocator *mm__, HCFStack *stk__, void *env) {
HCFS_ADD_CHARSET(match_all);
}
} HCFS_END_SEQ();
HCFS_THIS_CHOICE->reshape = bits->signedp
? reshape_bits_signed
: reshape_bits_unsigned;
HCFS_THIS_CHOICE->reshape = reshape_bits;
HCFS_THIS_CHOICE->user_data = bits->signedp ? HCFS_THIS_CHOICE : NULL; // HCFS_THIS_CHOICE is an arbitrary non-null pointer
} HCFS_END_CHOICE();
}