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Fix PEP 263 code --without-unicode. Fixes #591943.

This commit is contained in:
Martin v. Löwis 2002-08-07 12:33:18 +00:00
parent 63d5bead18
commit 019934b3cc
2 changed files with 28 additions and 0 deletions
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18
Parser/tokenizer.c
View File

@ -256,11 +256,18 @@ check_coding_spec(const char* line, int size, struct tok_state *tok,
strcmp(cs, "iso-8859-1") == 0) {
tok->encoding = cs;
} else {
#ifdef Py_USING_UNICODE
r = set_readline(tok, cs);
if (r) {
tok->encoding = cs;
tok->decoding_state = -1;
}
#else
/* Without Unicode support, we cannot
process the coding spec. Since there
won't be any Unicode literals, that
won't matter. */
#endif
}
} else { /* then, compare cs with BOM */
r = (strcmp(tok->encoding, cs) == 0);
@ -317,6 +324,10 @@ check_bom(int get_char(struct tok_state *),
static char *
fp_readl(char *s, int size, struct tok_state *tok)
{
#ifndef Py_USING_UNICODE
/* In a non-Unicode built, this should never be called. */
abort();
#else
PyObject* utf8;
PyObject* buf = tok->decoding_buffer;
if (buf == NULL) {
@ -338,6 +349,7 @@ fp_readl(char *s, int size, struct tok_state *tok)
if (s[0] == '\0') return NULL; /* EOF */
return s;
}
#endif
}
/* Set the readline function for TOK to a StreamReader's
@ -487,6 +499,7 @@ static int buf_setreadl(struct tok_state *tok, const char* enc) {
/* Return a UTF-8 encoding Python string object from the
C byte string STR, which is encoded with ENC. */
#ifdef Py_USING_UNICODE
static PyObject *
translate_into_utf8(const char* str, const char* enc) {
PyObject *utf8;
@ -497,6 +510,7 @@ translate_into_utf8(const char* str, const char* enc) {
Py_DECREF(buf);
return utf8;
}
#endif
/* Decode a byte string STR for use as the buffer of TOK.
Look for encoding declarations inside STR, and record them
@ -514,12 +528,14 @@ decode_str(const char *str, struct tok_state *tok)
return NULL;
str = tok->str; /* string after BOM if any */
assert(str);
#ifdef Py_USING_UNICODE
if (tok->enc != NULL) {
utf8 = translate_into_utf8(str, tok->enc);
if (utf8 == NULL)
return NULL;
str = PyString_AsString(utf8);
}
#endif
for (s = str;; s++) {
if (*s == '\0') break;
else if (*s == '\n') {
@ -530,6 +546,7 @@ decode_str(const char *str, struct tok_state *tok)
tok->enc = NULL;
if (!check_coding_spec(str, s - str, tok, buf_setreadl))
return NULL;
#ifdef Py_USING_UNICODE
if (tok->enc != NULL) {
assert(utf8 == NULL);
utf8 = translate_into_utf8(str, tok->enc);
@ -537,6 +554,7 @@ decode_str(const char *str, struct tok_state *tok)
return NULL;
str = PyString_AsString(utf8);
}
#endif
assert(tok->decoding_buffer == NULL);
tok->decoding_buffer = utf8; /* CAUTION */
return str;

10
Python/compile.c
View File

@ -1185,6 +1185,9 @@ parsenumber(struct compiling *co, char *s)
static PyObject *
decode_utf8(char **sPtr, char *end, char* encoding)
{
#ifndef Py_USING_UNICODE
abort();
#else
PyObject *u, *v;
char *s, *t;
t = s = *sPtr;
@ -1197,6 +1200,7 @@ decode_utf8(char **sPtr, char *end, char* encoding)
v = PyUnicode_AsEncodedString(u, encoding, NULL);
Py_DECREF(u);
return v;
#endif
}
static PyObject *
@ -1312,12 +1316,18 @@ parsestr(struct compiling *com, char *s)
strcmp(encoding, "iso-8859-1") != 0);
if (rawmode || strchr(s, '\\') == NULL) {
if (need_encoding) {
#ifndef Py_USING_UNICODE
/* This should not happen - we never see any other
encoding. */
abort();
#else
PyObject* u = PyUnicode_DecodeUTF8(s, len, NULL);
if (u == NULL)
return NULL;
v = PyUnicode_AsEncodedString(u, encoding, NULL);
Py_DECREF(u);
return v;
#endif
} else {
return PyString_FromStringAndSize(s, len);
}