mirror of
https://github.com/GrammaticalFramework/gf-core.git
synced 2026-04-09 04:59:31 -06:00
a major reimplementation of the linearizer in the C runtime
This commit is contained in:
@@ -200,11 +200,11 @@ extern PgfCCat pgf_ccat_string, pgf_ccat_int, pgf_ccat_float, pgf_ccat_var;
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typedef PgfCIdMap PgfPrintNames;
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extern GU_DECLARE_TYPE(PgfPrintNames, GuStringMap);
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typedef GuStringMap PgfFunIndices;
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extern GU_DECLARE_TYPE(PgfFunIndices, GuStringMap);
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typedef GuStringMap PgfCncFunOverloadMap;
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extern GU_DECLARE_TYPE(PgfCncFunOverloadMap, GuStringMap);
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typedef GuMap PgfCoerceIdx;
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extern GU_DECLARE_TYPE(PgfCoerceIdx, GuMap);
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typedef GuMap PgfCncOverloadMap;
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extern GU_DECLARE_TYPE(PgfCncOverloadMap, GuMap);
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typedef GuMap PgfProductionIdx;
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extern GU_DECLARE_TYPE(PgfProductionIdx, GuMap);
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@@ -232,8 +232,8 @@ struct PgfConcr {
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PgfFlags* cflags;
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PgfPrintNames* printnames;
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GuMap* ccats;
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PgfFunIndices* fun_indices;
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PgfCoerceIdx* coerce_idx;
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PgfCncFunOverloadMap* fun_indices;
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PgfCncOverloadMap* coerce_idx;
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PgfProductionIdx* epsilon_idx;
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PgfLeftcornerCatIdx* leftcorner_cat_idx;
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PgfLeftcornerTokIdx* leftcorner_tok_idx;
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@@ -1,22 +1,3 @@
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/*
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* Copyright 2010 University of Helsinki.
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*
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* This file is part of libpgf.
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*
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* Libpgf is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* Libpgf is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with libpgf. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "data.h"
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#include "linearize.h"
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#include <gu/map.h>
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@@ -24,132 +5,35 @@
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#include <gu/log.h>
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#include <gu/choice.h>
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#include <gu/seq.h>
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#include <gu/file.h>
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#include <gu/string.h>
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#include <gu/assert.h>
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#include <pgf/expr.h>
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#include <pgf/literals.h>
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#include <stdio.h>
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typedef GuStringMap PgfLinInfer;
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typedef GuSeq PgfProdSeq;
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//#define PGF_LINEARIZER_DEBUG
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static GU_DEFINE_TYPE(PgfProdSeq, GuSeq, gu_type(PgfProduction));
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typedef struct PgfLinInferEntry PgfLinInferEntry;
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struct PgfLinInferEntry {
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PgfCCat* cat;
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PgfCncFun* fun;
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};
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static GU_DEFINE_TYPE(
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PgfLinInferEntry, struct,
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GU_MEMBER_P(PgfLinInferEntry, cat, PgfCCat)
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// ,GU_MEMBER(PgfLinInferEntry, fun, ...)
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);
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typedef GuBuf PgfLinInfers;
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static GU_DEFINE_TYPE(PgfLinInfers, GuBuf, gu_type(PgfLinInferEntry));
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typedef GuIntMap PgfCncProds;
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static GU_DEFINE_TYPE(PgfCncProds, GuIntMap, gu_type(PgfProdSeq),
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&gu_null_seq);
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typedef GuStringMap PgfLinProds;
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static GU_DEFINE_TYPE(PgfLinProds, GuStringMap, gu_ptr_type(PgfCncProds),
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&gu_null_struct);
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static GuHash
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pgf_lzr_cats_hash_fn(GuHasher* self, const void* p)
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{
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(void) self;
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PgfCCatIds* cats = *(PgfCCatIds* const*)p;
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size_t len = gu_list_length(cats);
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uintptr_t h = 0;
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for (size_t i = 0; i < len; i++) {
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h = 101 * h + (uintptr_t) gu_list_index(cats, i);
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}
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return h;
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}
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static bool
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pgf_lzr_cats_eq_fn(GuEquality* self, const void* p1, const void* p2)
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{
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(void) self;
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PgfCCatIds* cats1 = *(PgfCCatIds* const*) p1;
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PgfCCatIds* cats2 = *(PgfCCatIds* const*) p2;
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int len = gu_list_length(cats1);
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if (gu_list_length(cats2) != len) {
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return false;
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}
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for (int i = 0; i < len; i++) {
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PgfCCat* cat1 = gu_list_index(cats1, i);
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PgfCCat* cat2 = gu_list_index(cats2, i);
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if (cat1 != cat2) {
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return false;
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}
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}
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return true;
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}
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static GuHasher
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pgf_lzr_cats_hasher[1] = {
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{
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.eq = { pgf_lzr_cats_eq_fn },
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.hash = pgf_lzr_cats_hash_fn
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}
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};
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typedef GuMap PgfInferMap;
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static GU_DEFINE_TYPE(PgfInferMap, GuMap,
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gu_ptr_type(PgfCCatIds), pgf_lzr_cats_hasher,
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gu_ptr_type(PgfLinInfers), &gu_null_struct);
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GU_DEFINE_TYPE(PgfFunIndices, GuStringMap, gu_ptr_type(PgfInferMap),
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&gu_null_struct);
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typedef GuBuf PgfCCatBuf;
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static GU_DEFINE_TYPE(PgfCCatBuf, GuBuf, gu_ptr_type(PgfCCat));
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GU_DEFINE_TYPE(PgfCoerceIdx, GuMap,
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gu_type(PgfCCat), NULL,
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gu_ptr_type(PgfCCatBuf), &gu_null_struct);
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GU_DEFINE_TYPE(PgfCncOverloadMap, GuMap,
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gu_type(PgfCCat), NULL,
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gu_ptr_type(GuBuf), &gu_null_struct);
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GU_DEFINE_TYPE(PgfCncFunOverloadMap, GuStringMap, gu_ptr_type(PgfCncOverloadMap),
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&gu_null_struct);
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static void
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pgf_lzr_add_infer_entry(
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PgfInferMap* infer_table,
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PgfCCat* cat,
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PgfProductionApply* papply,
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GuPool *pool)
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pgf_lzr_add_overl_entry(PgfCncOverloadMap* overl_table,
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PgfCCat* ccat, void* entry,
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GuPool *pool)
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{
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PgfPArgs args = papply->args;
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size_t n_args = gu_seq_length(args);
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PgfCCatIds* arg_cats = gu_new_list(PgfCCatIds, pool, n_args);
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for (size_t i = 0; i < n_args; i++) {
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// XXX: What about the hypos in the args?
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gu_list_index(arg_cats, i) = gu_seq_get(args, PgfPArg, i).ccat;
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}
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gu_debug("%d,%d,%d -> %d, %s",
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n_args > 0 ? gu_list_index(arg_cats, 0)->fid : -1,
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n_args > 1 ? gu_list_index(arg_cats, 1)->fid : -1,
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n_args > 2 ? gu_list_index(arg_cats, 2)->fid : -1,
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cat->fid, papply->fun->name);
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PgfLinInfers* entries =
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gu_map_get(infer_table, &arg_cats, PgfLinInfers*);
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if (!entries) {
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entries = gu_new_buf(PgfLinInferEntry, pool);
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gu_map_put(infer_table, &arg_cats, PgfLinInfers*, entries);
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} else {
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// XXX: arg_cats is duplicate, we ought to free it
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// Display warning?
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GuBuf* entries =
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gu_map_get(overl_table, ccat, GuBuf*);
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if (entries == NULL) {
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entries = gu_new_buf(void*, pool);
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gu_map_put(overl_table, ccat, GuBuf*, entries);
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}
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PgfLinInferEntry entry = {
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.cat = cat,
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.fun = papply->fun
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};
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gu_buf_push(entries, PgfLinInferEntry, entry);
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gu_buf_push(entries, void*, entry);
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}
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typedef struct {
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@@ -159,7 +43,7 @@ typedef struct {
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} PgfLzrIndexFn;
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static void
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pgf_lzr_index_iter(GuMapItor* fn, const void* key, void* value, GuExn* err)
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pgf_lzr_index_itor(GuMapItor* fn, const void* key, void* value, GuExn* err)
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{
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(void) (key && err);
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@@ -179,43 +63,32 @@ pgf_lzr_index_iter(GuMapItor* fn, const void* key, void* value, GuExn* err)
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switch (gu_variant_tag(prod)) {
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case PGF_PRODUCTION_APPLY: {
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PgfProductionApply* papply = data;
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PgfInferMap* infer =
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PgfCncOverloadMap* overl_table =
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gu_map_get(concr->fun_indices, &papply->fun->name,
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PgfInferMap*);
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gu_debug("index: %s -> %d", papply->fun->name, ccat->fid);
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if (!infer) {
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infer = gu_map_type_new(PgfInferMap, pool);
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PgfCncOverloadMap*);
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if (!overl_table) {
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overl_table = gu_map_type_new(PgfCncOverloadMap, pool);
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gu_map_put(concr->fun_indices,
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&papply->fun->name, PgfInferMap*, infer);
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&papply->fun->name, PgfCncOverloadMap*, overl_table);
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}
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pgf_lzr_add_infer_entry(infer, ccat, papply, pool);
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pgf_lzr_add_overl_entry(overl_table, ccat, papply, pool);
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break;
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}
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case PGF_PRODUCTION_COERCE: {
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PgfProductionCoerce* pcoerce = data;
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PgfCCatBuf* cats = gu_map_get(concr->coerce_idx, pcoerce->coerce,
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PgfCCatBuf*);
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if (!cats) {
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cats = gu_new_buf(PgfCCat*, pool);
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gu_map_put(concr->coerce_idx,
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pcoerce->coerce, PgfCCatBuf*, cats);
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}
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gu_debug("coerce_idx: %d -> %d", pcoerce->coerce->fid, ccat->fid);
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gu_buf_push(cats, PgfCCat*, ccat);
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pgf_lzr_add_overl_entry(concr->coerce_idx, ccat, pcoerce, pool);
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break;
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}
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default:
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// Display warning?
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break;
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gu_impossible();
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}
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}
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}
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void
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pgf_lzr_index(PgfConcr* concr, GuPool *pool)
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{
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PgfLzrIndexFn clo = { { pgf_lzr_index_iter }, concr, pool };
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PgfLzrIndexFn clo = { { pgf_lzr_index_itor }, concr, pool };
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gu_map_iter(concr->ccats, &clo.fn, NULL);
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}
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@@ -238,190 +111,243 @@ typedef enum {
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PGF_CNC_TREE_LIT,
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} PgfCncTreeTag;
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typedef struct PgfCncTreeApp PgfCncTreeApp;
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struct PgfCncTreeApp {
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typedef struct {
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PgfCncFun* fun;
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GuLength n_args;
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PgfCncTree args[];
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};
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} PgfCncTreeApp;
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typedef struct PgfCncTreeLit PgfCncTreeLit;
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struct PgfCncTreeLit {
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typedef struct {
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PgfLiteral lit;
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};
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} PgfCncTreeLit;
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static PgfCCat*
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pgf_lzn_pick_supercat(PgfLzn* lzn, PgfCCat* cat)
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#ifdef PGF_LINEARIZER_DEBUG
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void
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pgf_print_cnc_tree(PgfCncTree ctree, GuWriter* wtr, GuExn* err)
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{
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gu_enter("->");
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while (true) {
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PgfCCatBuf* supers =
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gu_map_get(lzn->concr->coerce_idx, cat, PgfCCatBuf*);
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if (!supers) {
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break;
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}
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gu_debug("n_supers: %d", gu_buf_length(supers));
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int ch = gu_choice_next(lzn->ch, gu_buf_length(supers) + 1);
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gu_debug("choice: %d", ch);
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if (ch == 0) {
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break;
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}
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cat = gu_buf_get(supers, PgfCCat*, ch - 1);
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GuVariantInfo ti = gu_variant_open(ctree);
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switch (ti.tag) {
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case PGF_CNC_TREE_LIT: {
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PgfCncTreeLit* clit = ti.data;
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pgf_print_literal(clit->lit, wtr, err);
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break;
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}
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case PGF_CNC_TREE_APP: {
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PgfCncTreeApp* capp = ti.data;
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if (capp->n_args > 0) gu_putc('(', wtr, err);
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gu_printf(wtr, err, "F%d", capp->fun->funid);
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for (size_t i = 0; i < capp->n_args; i++) {
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gu_putc(' ', wtr, err);
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pgf_print_cnc_tree(capp->args[i], wtr, err);
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}
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if (capp->n_args > 0) gu_putc(')', wtr, err);
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break;
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}
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default:
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gu_impossible();
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}
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gu_exit("<- %d", cat->fid);
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return cat;
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}
|
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|
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static PgfCCat*
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pgf_lzn_infer(PgfLzn* lzn, PgfExpr expr, GuPool* pool, PgfCncTree* ctree_out);
|
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|
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static PgfCCat*
|
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pgf_lzn_infer_apply_try(PgfLzn* lzn, PgfApplication* appl,
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PgfInferMap* infer, GuChoiceMark* marks,
|
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PgfCCatIds* arg_cats, int* ip, int n_args,
|
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GuPool* pool, PgfCncTreeApp* app_out)
|
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{
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gu_enter("f: %s, *ip: %d, n_args: %d", appl->fun, *ip, n_args);
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PgfCCat* ret = NULL;
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while (*ip < n_args) {
|
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PgfCncTree* arg_treep =
|
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(app_out == NULL ? NULL : &app_out->args[*ip]);
|
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PgfCCat* arg_i =
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pgf_lzn_infer(lzn, appl->args[*ip], pool, arg_treep);
|
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if (arg_i == NULL) {
|
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goto finish;
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||||
}
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arg_i = pgf_lzn_pick_supercat(lzn, arg_i);
|
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gu_list_index(arg_cats, *ip) = arg_i;
|
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marks[++*ip] = gu_choice_mark(lzn->ch);
|
||||
}
|
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PgfLinInfers* entries = gu_map_get(infer, &arg_cats, PgfLinInfers*);
|
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if (!entries) {
|
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goto finish;
|
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}
|
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size_t n_entries = gu_buf_length(entries);
|
||||
int e = gu_choice_next(lzn->ch, n_entries);
|
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gu_debug("entry %d of %d", e, n_entries);
|
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if (e < 0) {
|
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goto finish;
|
||||
}
|
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PgfLinInferEntry* entry = gu_buf_index(entries, PgfLinInferEntry, e);
|
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if (app_out != NULL) {
|
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app_out->fun = entry->fun;
|
||||
}
|
||||
ret = entry->cat;
|
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finish:
|
||||
gu_exit("fid: %d", ret ? ret->fid : -1);
|
||||
return ret;
|
||||
}
|
||||
typedef GuList(GuChoiceMark) PgfChoiceMarks;
|
||||
|
||||
static PgfCCat*
|
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pgf_lzn_infer_application(PgfLzn* lzn, PgfApplication* appl,
|
||||
GuPool* pool, PgfCncTree* ctree_out)
|
||||
{
|
||||
PgfInferMap* infer =
|
||||
gu_map_get(lzn->concr->fun_indices, &appl->fun, PgfInferMap*);
|
||||
gu_enter("-> f: %s, n_args: %d", appl->fun, appl->n_args);
|
||||
if (infer == NULL) {
|
||||
gu_exit("<- couldn't find f");
|
||||
return NULL;
|
||||
}
|
||||
GuPool* tmp_pool = gu_new_pool();
|
||||
PgfCCat* ret = NULL;
|
||||
int n = appl->n_args;
|
||||
PgfCCatIds* arg_cats = gu_new_list(PgfCCatIds, tmp_pool, n);
|
||||
|
||||
PgfCncTreeApp* appt = NULL;
|
||||
if (ctree_out) {
|
||||
appt = gu_new_flex_variant(PGF_CNC_TREE_APP, PgfCncTreeApp,
|
||||
args, n, ctree_out, pool);
|
||||
appt->n_args = n;
|
||||
}
|
||||
|
||||
PgfChoiceMarks* marksl = gu_new_list(PgfChoiceMarks, tmp_pool, n + 1);
|
||||
GuChoiceMark* marks = gu_list_elems(marksl);
|
||||
int i = 0;
|
||||
marks[i] = gu_choice_mark(lzn->ch);
|
||||
while (true) {
|
||||
ret = pgf_lzn_infer_apply_try(lzn, appl, infer,
|
||||
marks, arg_cats,
|
||||
&i, n, pool, appt);
|
||||
if (ret != NULL) {
|
||||
break;
|
||||
}
|
||||
|
||||
do {
|
||||
--i;
|
||||
if (i < 0) {
|
||||
goto finish;
|
||||
}
|
||||
gu_choice_reset(lzn->ch, marks[i]);
|
||||
} while (!gu_choice_advance(lzn->ch));
|
||||
}
|
||||
finish:
|
||||
gu_pool_free(tmp_pool);
|
||||
gu_exit("<- fid: %d", ret ? ret->fid : -1);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static PgfCCat*
|
||||
pgf_lzn_infer(PgfLzn* lzn, PgfExpr expr, GuPool* pool, PgfCncTree* ctree_out)
|
||||
{
|
||||
PgfCCat* ret = NULL;
|
||||
GuPool* tmp_pool = gu_new_pool();
|
||||
PgfApplication* appl = pgf_expr_unapply(expr, tmp_pool);
|
||||
if (appl != NULL) {
|
||||
ret = pgf_lzn_infer_application(lzn, appl, pool, ctree_out);
|
||||
} else {
|
||||
GuVariantInfo i = gu_variant_open(pgf_expr_unwrap(expr));
|
||||
switch (i.tag) {
|
||||
case PGF_EXPR_LIT: {
|
||||
PgfExprLit* elit = i.data;
|
||||
if (pool != NULL) {
|
||||
*ctree_out = gu_new_variant_i(
|
||||
pool, PGF_CNC_TREE_LIT,
|
||||
PgfCncTreeLit,
|
||||
.lit = elit->lit);
|
||||
}
|
||||
ret = pgf_literal_cat(lzn->concr, elit->lit);
|
||||
}
|
||||
default:
|
||||
// XXX: should we do something here?
|
||||
break;
|
||||
}
|
||||
}
|
||||
gu_pool_free(tmp_pool);
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
static PgfCncTree
|
||||
pgf_lzn_next(PgfLzn* lzn, GuPool* pool)
|
||||
{
|
||||
// XXX: rewrite this whole mess
|
||||
PgfCncTree ctree = gu_null_variant;
|
||||
if (gu_variant_is_null(lzn->expr)) {
|
||||
return ctree;
|
||||
}
|
||||
PgfCCat* cat = NULL;
|
||||
GuChoiceMark mark = gu_choice_mark(lzn->ch);
|
||||
do {
|
||||
cat = pgf_lzn_infer(lzn, lzn->expr, NULL, NULL);
|
||||
gu_choice_reset(lzn->ch, mark);
|
||||
} while (!cat && gu_choice_advance(lzn->ch));
|
||||
pgf_lzn_resolve(PgfLzn* lzn, PgfExpr expr, PgfCCat* ccat, GuPool* pool);
|
||||
|
||||
if (cat) {
|
||||
PgfCCat* cat2 = pgf_lzn_infer(lzn, lzn->expr, pool, &ctree);
|
||||
gu_assert(cat == cat2);
|
||||
gu_debug("fid: %d", cat->fid);
|
||||
gu_choice_reset(lzn->ch, mark);
|
||||
if (!gu_choice_advance(lzn->ch)) {
|
||||
lzn->expr = gu_null_variant;
|
||||
static PgfCncTree
|
||||
pgf_lzn_resolve_app(PgfLzn* lzn, GuBuf* buf, GuBuf* args, GuPool* pool)
|
||||
{
|
||||
GuChoiceMark mark = gu_choice_mark(lzn->ch);
|
||||
|
||||
redo:;
|
||||
int index = gu_choice_next(lzn->ch, gu_buf_length(buf));
|
||||
if (index < 0) {
|
||||
return gu_null_variant;
|
||||
}
|
||||
|
||||
size_t n_args = gu_buf_length(args);
|
||||
|
||||
PgfProductionApply* papply =
|
||||
gu_buf_get(buf, PgfProductionApply*, index);
|
||||
gu_assert(n_args == gu_seq_length(papply->args));
|
||||
|
||||
PgfCncTree ret = gu_null_variant;
|
||||
PgfCncTreeApp* capp =
|
||||
gu_new_flex_variant(PGF_CNC_TREE_APP,
|
||||
PgfCncTreeApp,
|
||||
args, n_args, &ret, pool);
|
||||
capp->fun = papply->fun;
|
||||
capp->n_args = n_args;
|
||||
|
||||
for (size_t i = 0; i < n_args; i++) {
|
||||
PgfPArg* parg = gu_seq_index(papply->args, PgfPArg, i);
|
||||
PgfExpr earg = gu_buf_get(args, PgfExpr, n_args-i-1);
|
||||
|
||||
PgfCCat* ccat = NULL;
|
||||
GuBuf* coercions =
|
||||
gu_map_get(lzn->concr->coerce_idx, parg->ccat, GuBuf*);
|
||||
if (coercions == NULL) {
|
||||
ccat = parg->ccat;
|
||||
} else {
|
||||
int index = gu_choice_next(lzn->ch, gu_buf_length(coercions));
|
||||
gu_choice_advance(lzn->ch);
|
||||
PgfProductionCoerce* pcoerce =
|
||||
gu_buf_get(coercions, PgfProductionCoerce*, index);
|
||||
ccat = pcoerce->coerce;
|
||||
}
|
||||
|
||||
capp->args[i] =
|
||||
pgf_lzn_resolve(lzn, earg, ccat, pool);
|
||||
if (gu_variant_is_null(capp->args[i])) {
|
||||
gu_choice_reset(lzn->ch, mark);
|
||||
if (!gu_choice_advance(lzn->ch))
|
||||
return gu_null_variant;
|
||||
goto redo;
|
||||
}
|
||||
}
|
||||
return ctree;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static PgfCncTree
|
||||
pgf_lzn_resolve_def(PgfLzn* lzn, PgfFunIds* lindefs, GuString s, GuPool* pool)
|
||||
{
|
||||
PgfCncTree ret = gu_null_variant;
|
||||
|
||||
int index =
|
||||
gu_choice_next(lzn->ch, gu_list_length(lindefs));
|
||||
if (index < 0) {
|
||||
return ret;
|
||||
}
|
||||
PgfCncTreeApp* capp =
|
||||
gu_new_flex_variant(PGF_CNC_TREE_APP,
|
||||
PgfCncTreeApp,
|
||||
args, 1, &ret, pool);
|
||||
capp->fun = gu_list_index(lindefs, index);
|
||||
capp->n_args = 1;
|
||||
|
||||
PgfCncTreeLit* clit =
|
||||
gu_new_variant(PGF_CNC_TREE_LIT,
|
||||
PgfCncTreeLit,
|
||||
&capp->args[0], pool);
|
||||
clit->lit =
|
||||
gu_new_variant_i(pool,
|
||||
PGF_LITERAL_STR,
|
||||
PgfLiteralStr,
|
||||
s);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
typedef struct {
|
||||
GuMapItor fn;
|
||||
PgfLzn* lzn;
|
||||
GuBuf* args;
|
||||
GuPool* pool;
|
||||
PgfCncTree ctree;
|
||||
} PgfLznItor;
|
||||
|
||||
static void
|
||||
pgf_lzn_cat_resolve_itor(GuMapItor* fn, const void* key, void* value, GuExn* err)
|
||||
{
|
||||
PgfLznItor* clo = (PgfLznItor*) fn;
|
||||
GuBuf* buf = *((GuBuf**) value);
|
||||
|
||||
if (gu_variant_is_null(clo->ctree))
|
||||
clo->ctree = pgf_lzn_resolve_app(clo->lzn, buf, clo->args, clo->pool);
|
||||
}
|
||||
|
||||
static PgfCncTree
|
||||
pgf_lzn_resolve(PgfLzn* lzn, PgfExpr expr, PgfCCat* ccat, GuPool* pool)
|
||||
{
|
||||
PgfCncTree ret = gu_null_variant;
|
||||
GuPool* tmp_pool = gu_new_pool();
|
||||
GuBuf* args = gu_new_buf(PgfExpr, tmp_pool);
|
||||
|
||||
for (;;) {
|
||||
GuVariantInfo i = gu_variant_open(expr);
|
||||
switch (i.tag) {
|
||||
case PGF_EXPR_APP: {
|
||||
PgfExprApp* eapp = i.data;
|
||||
gu_buf_push(args, PgfExpr, eapp->arg);
|
||||
expr = eapp->fun;
|
||||
break;
|
||||
}
|
||||
case PGF_EXPR_LIT: {
|
||||
PgfExprLit* elit = i.data;
|
||||
PgfCncTreeLit* clit =
|
||||
gu_new_variant(PGF_CNC_TREE_LIT,
|
||||
PgfCncTreeLit,
|
||||
&ret, pool);
|
||||
clit->lit = elit->lit;
|
||||
goto done;
|
||||
}
|
||||
case PGF_EXPR_META: {
|
||||
if (ccat->lindefs == NULL)
|
||||
goto done;
|
||||
|
||||
GuString s = gu_str_string("?", pool);
|
||||
|
||||
ret = pgf_lzn_resolve_def(lzn, ccat->lindefs, s, pool);
|
||||
goto done;
|
||||
}
|
||||
case PGF_EXPR_FUN: {
|
||||
PgfExprFun* efun = i.data;
|
||||
|
||||
PgfCncOverloadMap* overl_table =
|
||||
gu_map_get(lzn->concr->fun_indices, &efun->fun, PgfCncOverloadMap*);
|
||||
if (overl_table == NULL) {
|
||||
if (ccat->lindefs == NULL)
|
||||
goto done;
|
||||
|
||||
GuPool* tmp_pool = gu_local_pool();
|
||||
GuExn* err = gu_new_exn(NULL, gu_kind(type), tmp_pool);
|
||||
GuStringBuf* sbuf = gu_string_buf(tmp_pool);
|
||||
GuWriter* wtr = gu_string_buf_writer(sbuf);
|
||||
|
||||
gu_putc('[', wtr, err);
|
||||
gu_string_write(efun->fun, wtr, err);
|
||||
gu_putc(']', wtr, err);
|
||||
GuString s = gu_string_buf_freeze(sbuf, tmp_pool);
|
||||
|
||||
ret = pgf_lzn_resolve_def(lzn, ccat->lindefs, s,
|
||||
pool);
|
||||
|
||||
gu_pool_free(tmp_pool);
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (ccat == NULL) {
|
||||
PgfLznItor clo = { { pgf_lzn_cat_resolve_itor }, lzn, args, pool, gu_null_variant };
|
||||
gu_map_iter(overl_table, &clo.fn, NULL);
|
||||
ret = clo.ctree;
|
||||
} else {
|
||||
GuBuf* buf =
|
||||
gu_map_get(overl_table, ccat, GuBuf*);
|
||||
if (buf == NULL) {
|
||||
goto done;
|
||||
}
|
||||
|
||||
ret = pgf_lzn_resolve_app(lzn, buf, args, pool);
|
||||
}
|
||||
goto done;
|
||||
}
|
||||
case PGF_EXPR_TYPED: {
|
||||
PgfExprTyped* etyped = i.data;
|
||||
expr = etyped->expr;
|
||||
break;
|
||||
}
|
||||
case PGF_EXPR_IMPL_ARG: {
|
||||
PgfExprImplArg* eimpl = i.data;
|
||||
expr = eimpl->expr;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
gu_impossible();
|
||||
}
|
||||
}
|
||||
|
||||
done:
|
||||
gu_pool_free(tmp_pool);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
@@ -429,7 +355,21 @@ pgf_cnc_tree_enum_next(GuEnum* self, void* to, GuPool* pool)
|
||||
{
|
||||
PgfLzn* lzn = gu_container(self, PgfLzn, en);
|
||||
PgfCncTree* toc = to;
|
||||
*toc = pgf_lzn_next(lzn, pool);
|
||||
*toc = pgf_lzn_resolve(lzn, lzn->expr, NULL, pool);
|
||||
|
||||
#ifdef PGF_LINEARIZER_DEBUG
|
||||
GuPool* tmp_pool = gu_new_pool();
|
||||
GuOut* out = gu_file_out(stderr, tmp_pool);
|
||||
GuWriter* wtr = gu_new_utf8_writer(out, tmp_pool);
|
||||
GuExn* err = gu_exn(NULL, type, tmp_pool);
|
||||
if (gu_variant_is_null(*toc))
|
||||
gu_puts("*nil*\n", wtr, err);
|
||||
else {
|
||||
pgf_print_cnc_tree(*toc, wtr, err);
|
||||
gu_puts("\n", wtr, err);
|
||||
}
|
||||
gu_pool_free(tmp_pool);
|
||||
#endif
|
||||
}
|
||||
|
||||
PgfCncTreeEnum*
|
||||
@@ -443,7 +383,6 @@ pgf_lzr_concretize(PgfConcr* concr, PgfExpr expr, GuPool* pool)
|
||||
return &lzn->en;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
pgf_cnc_tree_dimension(PgfCncTree ctree)
|
||||
{
|
||||
|
||||
@@ -29,14 +29,14 @@ typedef GuList(PgfItemConts*) PgfItemContss;
|
||||
static GU_DEFINE_TYPE(PgfItemContss, abstract, _);
|
||||
|
||||
typedef GuMap PgfContsMap;
|
||||
GU_DEFINE_TYPE(PgfContsMap, GuMap,
|
||||
gu_type(PgfCCat), NULL,
|
||||
gu_ptr_type(PgfItemContss), &gu_null_struct);
|
||||
static GU_DEFINE_TYPE(PgfContsMap, GuMap,
|
||||
gu_type(PgfCCat), NULL,
|
||||
gu_ptr_type(PgfItemContss), &gu_null_struct);
|
||||
|
||||
typedef GuMap PgfGenCatMap;
|
||||
GU_DEFINE_TYPE(PgfGenCatMap, GuMap,
|
||||
gu_type(PgfItemConts), NULL,
|
||||
gu_ptr_type(PgfCCat), &gu_null_struct);
|
||||
static GU_DEFINE_TYPE(PgfGenCatMap, GuMap,
|
||||
gu_type(PgfItemConts), NULL,
|
||||
gu_ptr_type(PgfCCat), &gu_null_struct);
|
||||
|
||||
typedef GuBuf PgfCCatBuf;
|
||||
|
||||
|
||||
@@ -754,8 +754,8 @@ pgf_read_new_PgfConcr(GuType* type, PgfReader* rdr, GuPool* pool,
|
||||
GuMapType* ccats_t = gu_type_cast(gu_type(PgfCCatMap), GuMap);
|
||||
concr->ccats =
|
||||
gu_new_int_map(PgfCCat*, &gu_null_struct, pool);
|
||||
concr->fun_indices = gu_map_type_new(PgfFunIndices, pool);
|
||||
concr->coerce_idx = gu_map_type_new(PgfCoerceIdx, pool);
|
||||
concr->fun_indices = gu_map_type_new(PgfCncFunOverloadMap, pool);
|
||||
concr->coerce_idx = gu_map_type_new(PgfCncOverloadMap, pool);
|
||||
concr->epsilon_idx = gu_map_type_new(PgfProductionIdx, pool);
|
||||
concr->leftcorner_cat_idx = gu_map_type_new(PgfLeftcornerCatIdx,pool);
|
||||
concr->leftcorner_tok_idx = gu_map_type_new(PgfLeftcornerTokIdx,pool);
|
||||
|
||||
Reference in New Issue
Block a user