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split out h_lrengine_action()

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This commit is contained in:
Sven M. Hallberg 2013-06-19 14:09:39 +02:00
parent 129d50c0ef
commit 409d33c916
2 changed files with 21 additions and 9 deletions
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8
src/backends/lr.h
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@ -61,8 +61,13 @@ typedef struct HLREnhGrammar_ {
typedef struct HLREngine_ {
const HLRTable *table;
// stack layout:
// on the left stack, we put pairs: (saved state, semantic value)
// on the right stack, we put pairs: (symbol, semantic value)
HSlist *left; // left stack; reductions happen here
HSlist *right; // right stack; input appears here
size_t state;
bool running;
HArena *arena; // will hold the results
@ -116,7 +121,8 @@ int h_lalr_compile(HAllocator* mm__, HParser* parser, const void* params);
void h_lalr_free(HParser *parser);
const HLRAction *h_lr_lookup(const HLRTable *table, size_t state, const HCFChoice *symbol);
void h_lrengine_step(HLREngine *engine, HInputStream *stream);
const HLRAction *h_lrengine_action(HLREngine *engine, HInputStream *stream);
void h_lrengine_step(HLREngine *engine, const HLRAction *action);
HParseResult *h_lrengine_result(HLREngine *engine);
HParseResult *h_lr_parse(HAllocator* mm__, const HParser* parser, HInputStream* stream);