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bpo-45494: Fix error location in EOF tokenizer errors (GH-29108)

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(cherry picked from commit 79ff0d1687)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
This commit is contained in:
Miss Islington (bot) 2021-11-20 09:59:34 -08:00 • committed by GitHub
parent 511ee1c0fa
commit a427eb862f
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1 changed files with 7 additions and 2 deletions
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9
Parser/pegen.c
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@ -403,8 +403,12 @@ _PyPegen_raise_error(Parser *p, PyObject *errtype, const char *errmsg, ...)
Py_ssize_t col_offset;
Py_ssize_t end_col_offset = -1;
if (t->col_offset == -1) {
col_offset = Py_SAFE_DOWNCAST(p->tok->cur - p->tok->buf,
intptr_t, int);
if (p->tok->cur == p->tok->buf) {
col_offset = 0;
} else {
const char* start = p->tok->buf ? p->tok->line_start : p->tok->buf;
col_offset = Py_SAFE_DOWNCAST(p->tok->cur - start, intptr_t, int);
}
} else {
col_offset = t->col_offset + 1;
}
@ -431,6 +435,7 @@ get_error_line(Parser *p, Py_ssize_t lineno)
assert(p->tok->fp == NULL || p->tok->fp == stdin);
char *cur_line = p->tok->fp_interactive ? p->tok->interactive_src_start : p->tok->str;
assert(cur_line != NULL);
for (int i = 0; i < lineno - 1; i++) {
cur_line = strchr(cur_line, '\n') + 1;