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annotate Python/asdl.c @ 36065:ea083efdc96c legacy-trunk

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Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines, simplifies a lot of error handling code, and fixes many memory leaks.
author Neal Norwitz <nnorwitz@gmail.com>
date Sat, 17 Dec 2005 20:54:49 +0000
parents 9003836a036f
children 45e6f901902c
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35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
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1 #include "Python.h"
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2 #include "asdl.h"
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3
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4 asdl_seq *
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ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 35869
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5 asdl_seq_new(int size, PyArena *arena)
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6 {
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7 asdl_seq *seq = NULL;
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8 size_t n = sizeof(asdl_seq) +
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9 (size ? (sizeof(void *) * (size - 1)) : 0);
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10
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 35869
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11 seq = (asdl_seq *)malloc(n);
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12 if (!seq) {
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9003836a036f Use convenience function
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13 PyErr_NoMemory();
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14 return NULL;
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15 }
36065
ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines,
Neal Norwitz <nnorwitz@gmail.com>
parents: 35869
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16 PyArena_AddMallocPointer(arena, (void *)seq);
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17 memset(seq, 0, n);
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18 seq->size = size;
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19 return seq;
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20 }
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21
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22 void
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23 asdl_seq_free(asdl_seq *seq)
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24 {
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25 }