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a draft for the marshaller. still not in use

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krangelov
2021-08-13 19:25:12 +02:00
parent 221f0b7853
commit 6beac74265
2 changed files with 171 additions and 24 deletions
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19
src/runtime/c/pgf/pgf.h
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@@ -77,7 +77,6 @@ typedef struct {
* a PyObject pointer.
*/
#ifdef __cplusplus
typedef struct PgfUnmarshaller PgfUnmarshaller;
struct PgfUnmarshaller {
virtual uintptr_t eabs(PgfBindType btype, PgfText *name, uintptr_t body)=0;
virtual uintptr_t eapp(uintptr_t fun, uintptr_t arg)=0;
@@ -96,6 +95,12 @@ struct PgfUnmarshaller {
virtual void free_ref(uintptr_t x)=0;
virtual void free_me()=0;
};
struct PgfMarshaller {
virtual uintptr_t match_lit(PgfUnmarshaller *u, uintptr_t lit)=0;
virtual uintptr_t match_expr(PgfUnmarshaller *u, uintptr_t expr)=0;
virtual uintptr_t match_type(PgfUnmarshaller *u, uintptr_t *ty)=0;
};
#else
typedef struct PgfUnmarshaller PgfUnmarshaller;
typedef struct PgfUnmarshallerVtbl PgfUnmarshallerVtbl;
@@ -121,7 +126,19 @@ struct PgfUnmarshallerVtbl {
struct PgfUnmarshaller {
PgfUnmarshallerVtbl *vtbl;
};
typedef struct PgfMarshaller PgfMarshaller;
typedef struct PgfMarshallerVtbl PgfMarshallerVtbl;
struct PgfMarshallerVtbl {
uintptr_t (*match_lit)(PgfUnmarshaller *u, uintptr_t lit);
uintptr_t (*match_expr)(PgfUnmarshaller *u, uintptr_t expr);
uintptr_t (*match_type)(PgfUnmarshaller *u, uintptr_t *ty);
};
struct PgfMarshaller {
PgfMarshallerVtbl *vtbl;
};
#endif
typedef float prob_t;
typedef struct PgfPGF PgfPGF;