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check for assignment to __debug__ during AST generation

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Also, give assignment to None a better error message
This commit is contained in:
Benjamin Peterson 2008-11-08 18:38:54 +00:00
parent 942e4779b0
commit 2c98faada6
3 changed files with 11 additions and 17 deletions
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18
Lib/test/test_syntax.py
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@ -27,15 +27,13 @@ In ast.c, syntax errors are raised by calling ast_error().
Errors from set_context():
TODO(jhylton): "assignment to None" is inconsistent with other messages
>>> obj.None = 1
Traceback (most recent call last):
SyntaxError: assignment to None (<doctest test.test_syntax[1]>, line 1)
SyntaxError: cannot assign to None (<doctest test.test_syntax[1]>, line 1)
>>> None = 1
Traceback (most recent call last):
SyntaxError: assignment to None (<doctest test.test_syntax[2]>, line 1)
SyntaxError: cannot assign to None (<doctest test.test_syntax[2]>, line 1)
It's a syntax error to assign to the empty tuple. Why isn't it an
error to assign to the empty list? It will always raise some error at
@ -95,7 +93,7 @@ From compiler_complex_args():
>>> def f(None=1):
... pass
Traceback (most recent call last):
SyntaxError: assignment to None (<doctest test.test_syntax[14]>, line 1)
SyntaxError: cannot assign to None (<doctest test.test_syntax[14]>, line 1)
From ast_for_arguments():
@ -108,17 +106,17 @@ SyntaxError: non-default argument follows default argument (<doctest test.test_s
>>> def f(x, None):
... pass
Traceback (most recent call last):
SyntaxError: assignment to None (<doctest test.test_syntax[16]>, line 1)
SyntaxError: cannot assign to None (<doctest test.test_syntax[16]>, line 1)
>>> def f(*None):
... pass
Traceback (most recent call last):
SyntaxError: assignment to None (<doctest test.test_syntax[17]>, line 1)
SyntaxError: cannot assign to None (<doctest test.test_syntax[17]>, line 1)
>>> def f(**None):
... pass
Traceback (most recent call last):
SyntaxError: assignment to None (<doctest test.test_syntax[18]>, line 1)
SyntaxError: cannot assign to None (<doctest test.test_syntax[18]>, line 1)
From ast_for_funcdef():
@ -126,7 +124,7 @@ From ast_for_funcdef():
>>> def None(x):
... pass
Traceback (most recent call last):
SyntaxError: assignment to None (<doctest test.test_syntax[19]>, line 1)
SyntaxError: cannot assign to None (<doctest test.test_syntax[19]>, line 1)
From ast_for_call():
@ -231,7 +229,7 @@ Traceback (most recent call last):
SyntaxError: augmented assignment to generator expression not possible (<doctest test.test_syntax[31]>, line 1)
>>> None += 1
Traceback (most recent call last):
SyntaxError: assignment to None (<doctest test.test_syntax[32]>, line 1)
SyntaxError: cannot assign to None (<doctest test.test_syntax[32]>, line 1)
>>> f() += 1
Traceback (most recent call last):
SyntaxError: illegal expression for augmented assignment (<doctest test.test_syntax[33]>, line 1)