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fix the parsing for literals after the latest changes in the parser

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This commit is contained in:
krangelov
2019-10-09 14:18:05 +02:00
parent 30eef61f0a
commit 26361b3692
2 changed files with 35 additions and 147 deletions
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3
src/runtime/c/pgf/data.h
View File

@@ -322,7 +322,8 @@ typedef struct PgfProductionCoerce
typedef struct {
PgfExprProb *ep;
GuSeq* lins;
size_t n_lins;
PgfSymbols* lins[];
} PgfProductionExtern;
typedef struct {

179
src/runtime/c/pgf/parser.c
View File

@@ -113,43 +113,10 @@ struct PgfItem {
prob_t inside_prob;
};
static PgfSymbol
pgf_prev_extern_sym(PgfSymbol sym)
{
GuVariantInfo i = gu_variant_open(sym);
switch (i.tag) {
case PGF_SYMBOL_CAT:
return *((PgfSymbol*) (((PgfSymbolCat*) i.data)+1));
case PGF_SYMBOL_KP:
return *((PgfSymbol*) (((PgfSymbolKP*) i.data)+1));
case PGF_SYMBOL_KS: {
PgfSymbolKS* sks = (PgfSymbolKS*) i.data;
size_t tok_len = strlen(sks->token);
return *((PgfSymbol*) (((uint8_t*) sks)+sizeof(PgfSymbolKS)+tok_len+1));
}
case PGF_SYMBOL_LIT:
return *((PgfSymbol*) (((PgfSymbolLit*) i.data)+1));
case PGF_SYMBOL_VAR:
return *((PgfSymbol*) (((PgfSymbolVar*) i.data)+1));
case PGF_SYMBOL_BIND:
case PGF_SYMBOL_SOFT_BIND:
case PGF_SYMBOL_SOFT_SPACE:
return *((PgfSymbol*) (((PgfSymbolBIND*) i.data)+1));
case PGF_SYMBOL_CAPIT:
case PGF_SYMBOL_ALL_CAPIT:
return *((PgfSymbol*) (((PgfSymbolCAPIT*) i.data)+1));
case PGF_SYMBOL_NE:
return *((PgfSymbol*) (((PgfSymbolNE*) i.data)+1));
default:
gu_impossible();
return gu_null_variant;
}
}
static PgfSymbol
static PgfSymbols*
pgf_collect_extern_tok(PgfParsing* ps, size_t start_offset, size_t end_offset)
{
PgfSymbol sym = gu_null_variant;
GuBuf* syms = gu_new_buf(PgfSymbol, ps->pool);
const uint8_t* start = (uint8_t*) ps->sentence+start_offset;
const uint8_t* end = (uint8_t*) ps->sentence+end_offset;
@@ -163,16 +130,15 @@ pgf_collect_extern_tok(PgfParsing* ps, size_t start_offset, size_t end_offset)
ucs = gu_utf8_decode(&p);
}
PgfSymbol new_sym;
PgfSymbol sym;
PgfSymbolKS* sks = (PgfSymbolKS*)
gu_alloc_variant(PGF_SYMBOL_KS,
sizeof(PgfSymbol)+sizeof(PgfSymbolKS)+len+1,
gu_alignof(PgfSymbolKS),
&new_sym, ps->pool);
sizeof(PgfSymbolKS)+len+1,
gu_alignof(PgfSymbolKS),
&sym, ps->pool);
memcpy((char*) sks->token, start, len);
((char*) sks->token)[len] = 0;
*((PgfSymbol*) (((uint8_t*) sks)+sizeof(PgfSymbolKS)+len+1)) = sym;
sym = new_sym;
gu_buf_push(syms, PgfSymbol, sym);
start = p;
while (gu_ucs_is_space(ucs)) {
@@ -181,68 +147,16 @@ pgf_collect_extern_tok(PgfParsing* ps, size_t start_offset, size_t end_offset)
}
}
return sym;
}
static size_t
pgf_item_symbols_length(PgfItem* item)
{
GuVariantInfo i = gu_variant_open(item->prod);
switch (i.tag) {
case PGF_PRODUCTION_APPLY: {
PgfProductionApply* papp = i.data;
return gu_seq_length(papp->fun->lins[item->conts->lin_idx]->syms);
}
case PGF_PRODUCTION_COERCE: {
return 1;
}
case PGF_PRODUCTION_EXTERN: {
PgfProductionExtern* pext = i.data;
PgfSymbols* syms;
if (pext->lins != NULL &&
(syms = gu_seq_get(pext->lins,PgfSymbols*,item->conts->lin_idx)) != NULL) {
return gu_seq_length(syms);
} else {
int seq_len = 0;
PgfSymbol sym = item->curr_sym;
while (!gu_variant_is_null(sym)) {
seq_len++;
sym = pgf_prev_extern_sym(sym);
}
return seq_len;
}
}
default:
gu_impossible();
return 0;
}
}
static PgfSymbols*
pgf_extern_syms_get(PgfItem* item, GuPool* pool)
{
int syms_len = pgf_item_symbols_length(item);
PgfSymbols* syms =
gu_new_seq(PgfSymbol, syms_len, pool);
PgfSymbol sym = item->curr_sym;
while (!gu_variant_is_null(sym)) {
gu_seq_set(syms, PgfSymbol, --syms_len, sym);
sym = pgf_prev_extern_sym(sym);
}
return syms;
return gu_buf_data_seq(syms);
}
#ifdef PGF_PARSER_DEBUG
PGF_INTERNAL void
pgf_print_fid(int fid, GuOut* out, GuExn* err);
PGF_INTERNAL_DECL void
pgf_print_symbol(PgfSymbol sym, GuOut *out, GuExn *err);
#ifdef PGF_PARSER_DEBUG
static void
pgf_item_symbols(PgfItem* item,
size_t* lin_idx, PgfSymbols** syms,
@@ -267,11 +181,7 @@ pgf_item_symbols(PgfItem* item,
}
case PGF_PRODUCTION_EXTERN: {
PgfProductionExtern* pext = i.data;
if (pext->lins == NULL ||
(*syms = gu_seq_get(pext->lins, PgfSymbols*, item->conts->lin_idx)) == NULL) {
*syms = pgf_extern_syms_get(item, pool);
}
*syms = pext->lins[item->conts->lin_idx];
break;
}
default:
@@ -603,16 +513,11 @@ pgf_item_set_curr_symbol(PgfItem* item, GuPool* pool)
case PGF_PRODUCTION_EXTERN: {
PgfProductionExtern* pext = i.data;
PgfSymbols* syms;
if (pext->lins != NULL &&
(syms = gu_seq_get(pext->lins,PgfSymbols*,item->conts->lin_idx)) != NULL) {
if (item->sym_idx == gu_seq_length(syms)) {
item->curr_sym = gu_null_variant;
} else {
item->curr_sym = gu_seq_get(syms, PgfSymbol, item->sym_idx);
}
} else {
PgfSymbols* syms = pext->lins[item->conts->lin_idx];
if (item->sym_idx == gu_seq_length(syms)) {
item->curr_sym = gu_null_variant;
} else {
item->curr_sym = gu_seq_get(syms, PgfSymbol, item->sym_idx);
}
break;
}
@@ -851,36 +756,7 @@ pgf_parsing_new_production(PgfItem* item, PgfExprProb *ep, GuPool *pool)
break;
}
case PGF_PRODUCTION_EXTERN: {
PgfProductionExtern* pext = i.data;
if (pext->lins == NULL ||
gu_seq_get(pext->lins,PgfSymbols*,item->conts->lin_idx) == NULL) {
PgfSymbols* syms =
pgf_extern_syms_get(item, pool);
size_t n_lins = item->conts->ccat->cnccat->n_lins;
PgfProductionExtern* new_pext = (PgfProductionExtern*)
gu_new_variant(PGF_PRODUCTION_EXTERN,
PgfProductionExtern,
&prod, pool);
new_pext->ep = ep;
new_pext->lins = gu_new_seq(PgfSymbols*, n_lins, pool);
if (pext->lins == NULL) {
for (size_t i = 0; i < n_lins; i++) {
gu_seq_set(new_pext->lins,PgfSymbols*,i,NULL);
}
} else {
for (size_t i = 0; i < n_lins; i++) {
gu_seq_set(new_pext->lins,PgfSymbols*,i,
gu_seq_get(pext->lins,PgfSymbols*,i));
}
}
gu_seq_set(new_pext->lins,PgfSymbols*,item->conts->lin_idx,syms);
} else {
prod = item->prod;
}
prod = item->prod;
break;
}
default:
@@ -1501,18 +1377,29 @@ pgf_parsing_symbol(PgfParsing* ps, PgfItem* item, PgfSymbol sym)
}
if (ep != NULL) {
PgfSymbols* syms =
pgf_collect_extern_tok(ps, start, offset);
size_t n_lins = item->conts->ccat->cnccat->n_lins;
PgfProduction prod;
PgfProductionExtern* pext =
gu_new_variant(PGF_PRODUCTION_EXTERN,
PgfProductionExtern,
&prod, ps->pool);
pext->ep = ep;
pext->lins = NULL;
gu_new_flex_variant(PGF_PRODUCTION_EXTERN,
PgfProductionExtern,
lins, n_lins,
&prod, ps->pool);
pext->ep = ep;
pext->n_lins = n_lins;
for (size_t i = 0; i < n_lins; i++) {
pext->lins[i] = NULL;
}
pext->lins[item->conts->lin_idx] = syms;
PgfItem* item =
pgf_new_item(ps, conts, prod);
item->curr_sym = pgf_collect_extern_tok(ps,start,offset);
item->sym_idx = pgf_item_symbols_length(item);
item->curr_sym = gu_null_variant;
item->sym_idx = gu_seq_length(syms);
PgfParseState* state =
pgf_new_parse_state(ps, offset, BIND_NONE);
pgf_parsing_push_item(state, item);