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Merge pull request #116 from mrdomino/h-validate-apply

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H_VALIDATE_APPLY macro
This commit is contained in:
Meredith L. Patterson 2015-01-04 04:12:06 +01:00
commit b2f247b029
1 changed files with 14 additions and 7 deletions
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21
src/glue.h
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@ -11,7 +11,8 @@
//
// A few standard semantic actions are defined below. The H_ACT_APPLY macro
// allows semantic actions to be defined by "partial application" of
// a generic action to fixed paramters.
// a generic action to fixed paramters. H_VALIDATE_APPLY is similar for
// h_atter_bool.
//
// The definition of more complex semantic actions will usually consist of
// extracting data from the given parse tree and constructing a token of custom
@ -66,13 +67,13 @@
h_attr_bool(h_action(def, act_ ## rule, NULL), validate_ ## rule, NULL)
#define H_AVRULE(rule, def) HParser *rule = \
h_action(h_attr_bool(def, validate_ ## rule, NULL), act_ ## rule, NULL)
#define H_ADRULE(rule, def, data) HParser *rule = \
#define H_ADRULE(rule, def, data) HParser *rule = \
h_action(def, act_ ## rule, data)
#define H_VDRULE(rule, def, data) HParser *rule = \
#define H_VDRULE(rule, def, data) HParser *rule = \
h_attr_bool(def, validate_ ## rule, data)
#define H_VADRULE(rule, def, data) HParser *rule = \
#define H_VADRULE(rule, def, data) HParser *rule = \
h_attr_bool(h_action(def, act_ ## rule, data), validate_ ## rule, data)
#define H_AVDRULE(rule, def, data) HParser *rule = \
#define H_AVDRULE(rule, def, data) HParser *rule = \
h_action(h_attr_bool(def, validate_ ## rule, data), act_ ## rule, data)
@ -109,8 +110,14 @@ HParsedToken *h_act_ignore(const HParseResult *p, void* user_data);
// Define 'myaction' as a specialization of 'paction' by supplying the leading
// parameters.
#define H_ACT_APPLY(myaction, paction, ...) \
HParsedToken *myaction(const HParseResult *p, void* user_data) { \
return paction(__VA_ARGS__, p, user_data); \
HParsedToken *myaction(const HParseResult *p, void* user_data) { \
return paction(__VA_ARGS__, p, user_data); \
}
// Similar, but for validations.
#define H_VALIDATE_APPLY(myvalidation, pvalidation, ...) \
bool myvalidation(HParseResult* p, void* user_data) { \
return pvalidation(__VA_ARGS__, p, user_data); \
}