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Remove asdl_seq_APPEND() and simplify asdl seq implementation.

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Clarify intended use of set_context() and check errors at all call sites.
This commit is contained in:
Jeremy Hylton 2006-02-28 17:58:27 +00:00
parent 03bdedd574
commit a829313d7b
3 changed files with 58 additions and 80 deletions
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14
Include/asdl.h
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@ -15,33 +15,23 @@ typedef enum {false, true} bool;
/* XXX A sequence should be typed so that its use can be typechecked. */
/* XXX We shouldn't pay for offset when we don't need APPEND. */
typedef struct {
int size;
int offset;
void *elements[1];
} asdl_seq;
asdl_seq *asdl_seq_new(int size, PyArena *arena);
void asdl_seq_free(asdl_seq *);
#ifdef Py_DEBUG
#define asdl_seq_GET(S, I) (S)->elements[(I)]
#define asdl_seq_LEN(S) ((S) == NULL ? 0 : (S)->size)
#ifdef Py_DEBUG
#define asdl_seq_SET(S, I, V) { \
int _asdl_i = (I); \
assert((S) && _asdl_i < (S)->size); \
(S)->elements[_asdl_i] = (V); \
}
#define asdl_seq_APPEND(S, V) { \
assert((S) && (S)->offset < (S)->size); \
(S)->elements[(S)->offset++] = (V); \
}
#else
#define asdl_seq_GET(S, I) (S)->elements[(I)]
#define asdl_seq_SET(S, I, V) (S)->elements[I] = (V)
#define asdl_seq_APPEND(S, V) (S)->elements[(S)->offset++] = (V)
#endif
#define asdl_seq_LEN(S) ((S) == NULL ? 0 : (S)->size)
#endif /* !Py_ASDL_H */