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Expanded vtable for methods to determine whether a combinator is ok to use with regular or CF grammars.

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This commit is contained in:
Meredith L. Patterson 2012-12-18 18:10:40 -05:00
parent 8163b3981d
commit 36e1f66de0
25 changed files with 200 additions and 4 deletions
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16
src/parsers/many.c
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@ -44,8 +44,22 @@ static HParseResult *parse_many(void* env, HParseState *state) {
return NULL;
}
static bool many_isValidRegular(void *env) {
HRepeat *repeat = (HRepeat*)env;
return (repeat->p->vtable->isValidRegular(repeat->p->env) &&
repeat->sep->vtable->isValidRegular(repeat->sep->env));
}
static bool many_isValidCF(void *env) {
HRepeat *repeat = (HRepeat*)env;
return (repeat->p->vtable->isValidCF(repeat->p->env) &&
repeat->sep->vtable->isValidCF(repeat->sep->env));
}
static const HParserVtable many_vt = {
.parse = parse_many,
.isValidRegular = many_isValidRegular,
.isValidCF = many_isValidCF,
};
const HParser* h_many(const HParser* p) {
@ -147,6 +161,8 @@ static HParseResult* parse_length_value(void *env, HParseState *state) {
static const HParserVtable length_value_vt = {
.parse = parse_length_value,
.isValidRegular = h_false,
.isValidCF = h_false,
};
const HParser* h_length_value(const HParser* length, const HParser* value) {