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Backport of the print function, using a __future__ import.

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This work is substantially Anthony Baxter's, from issue
1633807.  I just freshened it, made a few minor tweaks,
and added the test cases.  I also created issue 2412,
which is to check for 2to3's behavior with the print
function.  I also added myself to ACKS.
This commit is contained in:
Eric Smith 2008-03-18 23:45:49 +00:00
parent 6c0ff8aacd
commit 7c47894a2a
13 changed files with 238 additions and 34 deletions
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14
Parser/parser.c
View file

@ -149,12 +149,10 @@ classify(parser_state *ps, int type, char *str)
strcmp(l->lb_str, s) != 0)
continue;
#ifdef PY_PARSER_REQUIRES_FUTURE_KEYWORD
if (!(ps->p_flags & CO_FUTURE_WITH_STATEMENT)) {
if (s[0] == 'w' && strcmp(s, "with") == 0)
break; /* not a keyword yet */
else if (s[0] == 'a' && strcmp(s, "as") == 0)
break; /* not a keyword yet */
}
if (ps->p_flags & CO_FUTURE_PRINT_FUNCTION &&
s[0] == 'p' && strcmp(s, "print") == 0) {
break; /* no longer a keyword */
}
#endif
D(printf("It's a keyword\n"));
return n - i;
@ -208,6 +206,10 @@ future_hack(parser_state *ps)
strcmp(STR(CHILD(cch, 0)), "with_statement") == 0) {
ps->p_flags |= CO_FUTURE_WITH_STATEMENT;
break;
} else if (NCH(cch) >= 1 && TYPE(CHILD(cch, 0)) == NAME &&
strcmp(STR(CHILD(cch, 0)), "print_function") == 0) {
ps->p_flags |= CO_FUTURE_PRINT_FUNCTION;
break;
}
}
}