55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
#ifndef HAMMER_EXAMPLES_GLUE__H
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#define HAMMER_EXAMPLES_GLUE__H
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#include <assert.h>
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#include "../src/hammer.h"
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///
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// API Additions
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///
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#define H_RULE(rule, def) const HParser *rule = def
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#define H_ARULE(rule, def) const HParser *rule = h_action(def, act_ ## rule)
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#define H_VRULE(rule, def) const HParser *rule = \
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h_attr_bool(def, validate_ ## rule)
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#define H_VARULE(rule, def) const HParser *rule = \
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h_attr_bool(h_action(def, act_ ## rule), validate_ ## rule)
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#define H_AVRULE(rule, def) const HParser *rule = \
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h_action(h_attr_bool(def, validate_ ## rule), act_ ## rule)
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const HParsedToken *h_act_ignore(const HParseResult *p);
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const HParsedToken *h_act_index(int i, const HParseResult *p);
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const HParsedToken *h_act_flatten(const HParseResult *p);
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// Define 'myaction' as a specialization of 'paction' by supplying the leading
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// parameters.
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#define H_ACT_APPLY(myaction, paction, ...) \
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const HParsedToken *myaction(const HParseResult *p) { \
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return paction(__VA_ARGS__, p); \
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}
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const HParsedToken *h_token_flatten(HArena *arena, const HParsedToken *p);
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void h_seq_snoc(HParsedToken *xs, const HParsedToken *x);
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void h_seq_append(HParsedToken *xs, const HParsedToken *ys);
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HParsedToken *h_make_token(HArena *arena, HTokenType type, void *value);
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HParsedToken *h_make_token_seq(HArena *arena);
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#define H_MAKE(TYP) \
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((TYP *) h_arena_malloc(p->arena, sizeof(TYP)))
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#define H_MAKE_TOKEN(TYP, VAL) \
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h_make_token(p->arena, TT_ ## TYP, VAL)
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HParsedToken *h_carray_index(const HCountedArray *a, size_t i);
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HParsedToken *h_seq_index(const HParsedToken *p, size_t i);
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void *h_seq_index_user(HTokenType type, const HParsedToken *p, size_t i);
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#define H_SEQ_INDEX(TYP, SEQ, IDX) \
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((TYP *) h_seq_index_user(TT_ ## TYP, SEQ, IDX))
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#define H_FIELD(TYP, IDX) \
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H_SEQ_INDEX(TYP, p->ast, IDX)
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#endif
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