Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
Revision 3ecfea71ffec6cb51c5d57f8d750dbac78092659 authored by Christian Heimes on 09 February 2008, 20:51:34 UTC, committed by Christian Heimes on 09 February 2008, 20:51:34 UTC
svn+ssh://pythondev@svn.python.org/python/trunk ........ r60679 | raymond.hettinger | 2008-02-09 02:18:42 +0100 (Sat, 09 Feb 2008) | 1 line Make ABC containers inherit as documented. ........ r60684 | raymond.hettinger | 2008-02-09 04:34:52 +0100 (Sat, 09 Feb 2008) | 1 line Merge with r60683. ........ r60687 | raymond.hettinger | 2008-02-09 05:37:49 +0100 (Sat, 09 Feb 2008) | 1 line Add -3 warnings that set.copy(), dict.copy(), and defaultdict.copy() will go away in Py3.x ........ r60689 | raymond.hettinger | 2008-02-09 11:04:19 +0100 (Sat, 09 Feb 2008) | 1 line Metaclass declaration is inherited ........ r60691 | raymond.hettinger | 2008-02-09 11:06:20 +0100 (Sat, 09 Feb 2008) | 1 line Temporarily disable this test. It's been broken for a week. ........ r60695 | nick.coghlan | 2008-02-09 16:28:09 +0100 (Sat, 09 Feb 2008) | 1 line Issue 2021: Allow NamedTemporaryFile and SpooledTemporaryFile to be used as context managers. (The NamedTemporaryFile fix should be considered for backporting to 2.5) ........
1 parent bfd0612
Tip revision: 3ecfea71ffec6cb51c5d57f8d750dbac78092659 authored by Christian Heimes on 09 February 2008, 20:51:34 UTC
Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678-60695 via svnmerge from
Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60569,60571-60572,60574,60576-60583,60585-60586,60589,60591,60594-60595,60597-60598,60600-60601,60606-60612,60615,60617,60619-60621,60623-60625,60627-60629,60631,60633,60635,60647,60650,60652,60654,60656,60658-60659,60664-60666,60668-60670,60672,60676,60678-60695 via svnmerge from
Tip revision: 3ecfea7
pgenmain.c
/* Parser generator main program */
/* This expects a filename containing the grammar as argv[1] (UNIX)
or asks the console for such a file name (THINK C).
It writes its output on two files in the current directory:
- "graminit.c" gets the grammar as a bunch of initialized data
- "graminit.h" gets the grammar's non-terminals as #defines.
Error messages and status info during the generation process are
written to stdout, or sometimes to stderr. */
/* XXX TO DO:
- check for duplicate definitions of names (instead of fatal err)
*/
#include "Python.h"
#include "pgenheaders.h"
#include "grammar.h"
#include "node.h"
#include "parsetok.h"
#include "pgen.h"
int Py_DebugFlag;
int Py_VerboseFlag;
int Py_IgnoreEnvironmentFlag;
/* Forward */
grammar *getgrammar(char *filename);
void
Py_Exit(int sts)
{
exit(sts);
}
int
main(int argc, char **argv)
{
grammar *g;
FILE *fp;
char *filename, *graminit_h, *graminit_c;
if (argc != 4) {
fprintf(stderr,
"usage: %s grammar graminit.h graminit.c\n", argv[0]);
Py_Exit(2);
}
filename = argv[1];
graminit_h = argv[2];
graminit_c = argv[3];
g = getgrammar(filename);
fp = fopen(graminit_c, "w");
if (fp == NULL) {
perror(graminit_c);
Py_Exit(1);
}
if (Py_DebugFlag)
printf("Writing %s ...\n", graminit_c);
printgrammar(g, fp);
fclose(fp);
fp = fopen(graminit_h, "w");
if (fp == NULL) {
perror(graminit_h);
Py_Exit(1);
}
if (Py_DebugFlag)
printf("Writing %s ...\n", graminit_h);
printnonterminals(g, fp);
fclose(fp);
Py_Exit(0);
return 0; /* Make gcc -Wall happy */
}
grammar *
getgrammar(char *filename)
{
FILE *fp;
node *n;
grammar *g0, *g;
perrdetail err;
fp = fopen(filename, "r");
if (fp == NULL) {
perror(filename);
Py_Exit(1);
}
g0 = meta_grammar();
n = PyParser_ParseFile(fp, filename, g0, g0->g_start,
(char *)NULL, (char *)NULL, &err);
fclose(fp);
if (n == NULL) {
fprintf(stderr, "Parsing error %d, line %d.\n",
err.error, err.lineno);
if (err.text != NULL) {
size_t i;
fprintf(stderr, "%s", err.text);
i = strlen(err.text);
if (i == 0 || err.text[i-1] != '\n')
fprintf(stderr, "\n");
for (i = 0; i < err.offset; i++) {
if (err.text[i] == '\t')
putc('\t', stderr);
else
putc(' ', stderr);
}
fprintf(stderr, "^\n");
PyObject_FREE(err.text);
}
Py_Exit(1);
}
g = pgen(n);
if (g == NULL) {
printf("Bad grammar.\n");
Py_Exit(1);
}
return g;
}
/* Can't happen in pgen */
PyObject*
PyErr_Occurred()
{
return 0;
}
void
Py_FatalError(const char *msg)
{
fprintf(stderr, "pgen: FATAL ERROR: %s\n", msg);
Py_Exit(1);
}
/* No-nonsense my_readline() for tokenizer.c */
char *
PyOS_Readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt)
{
size_t n = 1000;
char *p = (char *)PyMem_MALLOC(n);
char *q;
if (p == NULL)
return NULL;
fprintf(stderr, "%s", prompt);
q = fgets(p, n, sys_stdin);
if (q == NULL) {
*p = '\0';
return p;
}
n = strlen(p);
if (n > 0 && p[n-1] != '\n')
p[n-1] = '\n';
return (char *)PyMem_REALLOC(p, n+1);
}
/* No-nonsense fgets */
char *
Py_UniversalNewlineFgets(char *buf, int n, FILE *stream, PyObject *fobj)
{
return fgets(buf, n, stream);
}
#include <stdarg.h>
void
PySys_WriteStderr(const char *format, ...)
{
va_list va;
va_start(va, format);
vfprintf(stderr, format, va);
va_end(va);
}
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