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Fix SF bug #1519018: 'as' is now validated properly in import statements
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parent
b6b175229b
commit
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3 changed files with 18 additions and 1 deletions
13
Python/ast.c
13
Python/ast.c
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@ -2142,7 +2142,14 @@ alias_for_import_name(struct compiling *c, const node *n)
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loop:
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switch (TYPE(n)) {
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case import_as_name:
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str = (NCH(n) == 3) ? NEW_IDENTIFIER(CHILD(n, 2)) : NULL;
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str = NULL;
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if (NCH(n) == 3) {
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if (strcmp(STR(CHILD(n, 1)), "as") != 0) {
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ast_error(n, "must use 'as' in import");
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return NULL;
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}
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str = NEW_IDENTIFIER(CHILD(n, 2));
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}
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return alias(NEW_IDENTIFIER(CHILD(n, 0)), str, c->c_arena);
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case dotted_as_name:
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if (NCH(n) == 1) {
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@ -2151,6 +2158,10 @@ alias_for_import_name(struct compiling *c, const node *n)
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}
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else {
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alias_ty a = alias_for_import_name(c, CHILD(n, 0));
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if (strcmp(STR(CHILD(n, 1)), "as") != 0) {
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ast_error(n, "must use 'as' in import");
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return NULL;
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}
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assert(!a->asname);
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a->asname = NEW_IDENTIFIER(CHILD(n, 2));
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return a;
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