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Implemented a bunch more desugaring

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This commit is contained in:
Dan Hirsch 2013-02-20 18:58:15 -05:00
parent 5ae267f3ed
commit 101e90ad9b
11 changed files with 51 additions and 35 deletions
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11
src/parsers/xor.c
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@ -31,20 +31,15 @@ static HParseResult* parse_xor(void *env, HParseState *state) {
}
}
static bool xor_isValidCF(void *env) {
HTwoParsers *tp = (HTwoParsers*)env;
return (tp->p1->vtable->isValidCF(tp->p1->env) &&
tp->p2->vtable->isValidCF(tp->p2->env));
}
static HCFChoice* desugar_xor(HAllocator *mm__, void *env) {
assert_message(0, "'h_xor' is not context-free, can't be desugared");
return NULL;
}
static const HParserVtable xor_vt = {
.parse = parse_xor,
.isValidRegular = h_false,
.isValidCF = xor_isValidCF,
.isValidCF = h_false,
.desugar = desugar_xor,
};