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make it possible to replace the probabilities while reading a new .pgf

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This commit is contained in:
Krasimir Angelov
2022-07-14 11:04:45 +02:00
parent f1cad40394
commit 4d0f33e3c3
10 changed files with 196 additions and 24 deletions
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7
src/runtime/c/pgf/pgf.h
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@@ -226,11 +226,17 @@ typedef struct PgfDB PgfDB;
typedef object PgfRevision;
typedef object PgfConcrRevision;
typedef struct PgfProbsCallback PgfProbsCallback;
struct PgfProbsCallback {
double (*fn)(PgfProbsCallback* self, PgfText *name);
};
/* Reads a PGF file and builds the database in memory.
* If successful, *revision will contain the initial revision of
* the grammar. */
PGF_API_DECL
PgfDB *pgf_read_pgf(const char* fpath, PgfRevision *revision,
PgfProbsCallback *probs_callback,
PgfExn* err);
/* Reads a PGF file and stores the unpacked data in an NGF file
@@ -240,6 +246,7 @@ PgfDB *pgf_read_pgf(const char* fpath, PgfRevision *revision,
PGF_API_DECL
PgfDB *pgf_boot_ngf(const char* pgf_path, const char* ngf_path,
PgfRevision *revision,
PgfProbsCallback *probs_callback,
PgfExn* err);
/* Tries to read the grammar from an already booted NGF file.