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API for adding concrete syntaxes. Garbage collection to be fixed!

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This commit is contained in:
krangelov
2021-10-21 19:18:14 +02:00
parent 259ed52a77
commit 1413c273cc
15 changed files with 529 additions and 197 deletions
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48
src/runtime/c/pgf/pgf.h
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@@ -85,16 +85,16 @@ typedef struct {
const char *msg;
} PgfExn;
typedef uintptr_t object;
/* A generic structure to pass a callback for iteration over a collection */
typedef struct PgfItor PgfItor;
struct PgfItor {
void (*fn)(PgfItor* self, PgfText* key, void *value,
void (*fn)(PgfItor* self, PgfText* key, object value,
PgfExn *err);
};
typedef uintptr_t object;
/// An abstract syntax tree
typedef object PgfExpr;
@@ -219,6 +219,7 @@ typedef float prob_t;
typedef struct PgfDB PgfDB;
typedef object PgfRevision;
typedef object PgfConcrRevision;
/* Reads a PGF file and builds the database in memory.
* If successful, *revision will contain the initial revision of
@@ -264,6 +265,9 @@ void pgf_write_pgf(const char* fpath,
PGF_API_DECL
void pgf_free_revision(PgfDB *pgf, PgfRevision revision);
PGF_API_DECL
void pgf_free_concr_revision(PgfDB *db, PgfConcrRevision revision);
/* Returns a newly allocated text which contains the abstract name of
* the grammar. The text must be released with a call to free.
*/
@@ -275,6 +279,10 @@ PGF_API_DECL
void pgf_iter_categories(PgfDB *db, PgfRevision revision,
PgfItor *itor, PgfExn *err);
PGF_API
void pgf_iter_concretes(PgfDB *db, PgfRevision revision,
PgfItor *itor, PgfExn *err);
PGF_API_DECL
PgfType pgf_start_cat(PgfDB *db, PgfRevision revision,
PgfUnmarshaller *u,
@@ -313,6 +321,14 @@ prob_t pgf_function_prob(PgfDB *db, PgfRevision revision,
PgfText *funname,
PgfExn* err);
PGF_API_DECL
PgfText *pgf_concrete_name(PgfDB *db, PgfConcrRevision revision,
PgfExn* err);
PGF_API_DECL
PgfText *pgf_concrete_language_code(PgfDB *db, PgfConcrRevision revision,
PgfExn* err);
typedef struct PgfPrintContext PgfPrintContext;
struct PgfPrintContext {
@@ -387,6 +403,21 @@ void pgf_drop_category(PgfDB *db, PgfRevision revision,
PgfText *name,
PgfExn *err);
PGF_API_DECL
PgfConcrRevision pgf_create_concrete(PgfDB *db, PgfRevision revision,
PgfText *name,
PgfExn *err);
PGF_API_DECL
PgfConcrRevision pgf_clone_concrete(PgfDB *db, PgfRevision revision,
PgfText *name,
PgfExn *err);
PGF_API_DECL
void pgf_drop_concrete(PgfDB *db, PgfRevision revision,
PgfText *name,
PgfExn *err);
PGF_API_DECL
PgfLiteral pgf_get_global_flag(PgfDB *db, PgfRevision revision,
PgfText *name,
@@ -409,5 +440,16 @@ void pgf_set_abstract_flag(PgfDB *db, PgfRevision revision,
PgfLiteral value,
PgfMarshaller *m,
PgfExn *err);
PGF_API_DECL
PgfLiteral pgf_get_concrete_flag(PgfDB *db, PgfConcrRevision revision,
PgfText *name,
PgfUnmarshaller *u,
PgfExn *err);
PGF_API_DECL
void pgf_set_concrete_flag(PgfDB *db, PgfConcrRevision revision,
PgfText *name,
PgfLiteral value,
PgfMarshaller *m,
PgfExn *err);
#endif // PGF_H_