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bpo-43410: Fix crash in the parser when producing syntax errors when reading from stdin (GH-24763)

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Pablo Galindo 2021-03-14 04:38:40 +01:00 • committed by GitHub
parent 9923df9641
commit cd8dcbc851
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5 changed files with 76 additions and 31 deletions
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4
Parser/tokenizer.h
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@ -26,6 +26,9 @@ struct tok_state {
char *buf; /* Input buffer, or NULL; malloc'ed if fp != NULL */
char *cur; /* Next character in buffer */
char *inp; /* End of data in buffer */
int fp_interactive; /* If the file descriptor is interactive */
char *interactive_src_start; /* The start of the source parsed so far in interactive mode */
char *interactive_src_end; /* The end of the source parsed so far in interactive mode */
const char *end; /* End of input buffer if buf != NULL */
const char *start; /* Start of current token if not NULL */
int done; /* E_OK normally, E_EOF at EOF, otherwise error code */
@ -37,7 +40,6 @@ struct tok_state {
int atbol; /* Nonzero if at begin of new line */
int pendin; /* Pending indents (if > 0) or dedents (if < 0) */
const char *prompt, *nextprompt; /* For interactive prompting */
char *stdin_content;
int lineno; /* Current line number */
int first_lineno; /* First line of a single line or multi line string
expression (cf. issue 16806) */