bpo-35766: Merge typed_ast back into CPython (GH-11645)

This commit is contained in:
Guido van Rossum 2019-01-31 03:40:27 -08:00 committed by Łukasz Langa
parent d97daebfa6
commit dcfcd146f8
30 changed files with 2043 additions and 655 deletions

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@ -126,16 +126,33 @@ The abstract grammar is currently defined as follows:
Apart from the node classes, the :mod:`ast` module defines these utility functions
and classes for traversing abstract syntax trees:
.. function:: parse(source, filename='<unknown>', mode='exec')
.. function:: parse(source, filename='<unknown>', mode='exec', *, type_comments=False)
Parse the source into an AST node. Equivalent to ``compile(source,
filename, mode, ast.PyCF_ONLY_AST)``.
If ``type_comments=True`` is given, the parser is modified to check
and return type comments as specified by :pep:`484` and :pep:`526`.
This is equivalent to adding :data:`ast.PyCF_TYPE_COMMENTS` to the
flags passed to :func:`compile()`. This will report syntax errors
for misplaced type comments. Without this flag, type comments will
be ignored, and the ``type_comment`` field on selected AST nodes
will always be ``None``. In addition, the locations of ``# type:
ignore`` comments will be returned as the ``type_ignores``
attribute of :class:`Module` (otherwise it is always an empty list).
In addition, if ``mode`` is ``'func_type'``, the input syntax is
modified to correspond to :pep:`484` "signature type comments",
e.g. ``(str, int) -> List[str]``.
.. warning::
It is possible to crash the Python interpreter with a
sufficiently large/complex string due to stack depth limitations
in Python's AST compiler.
.. versionchanged:: 3.8
Added ``type_comments=True`` and ``mode='func_type'``.
.. function:: literal_eval(node_or_string)

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@ -203,6 +203,10 @@
.. data:: OP
.. data:: TYPE_IGNORE
.. data:: TYPE_COMMENT
.. data:: ERRORTOKEN
.. data:: N_TOKENS

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@ -69,6 +69,13 @@ the :mod:`tokenize` module.
always be an ``ENCODING`` token.
.. data:: TYPE_COMMENT
Token value indicating that a type comment was recognized. Such
tokens are only produced when :func:`ast.parse()` is invoked with
``type_comments=True``.
.. versionchanged:: 3.5
Added :data:`AWAIT` and :data:`ASYNC` tokens.
@ -78,3 +85,6 @@ the :mod:`tokenize` module.
.. versionchanged:: 3.7
Removed :data:`AWAIT` and :data:`ASYNC` tokens. "async" and "await" are
now tokenized as :data:`NAME` tokens.
.. versionchanged:: 3.8
Added :data:`TYPE_COMMENT`.

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@ -7,7 +7,9 @@
# single_input is a single interactive statement;
# file_input is a module or sequence of commands read from an input file;
# eval_input is the input for the eval() functions.
# func_type_input is a PEP 484 Python 2 function type comment
# NB: compound_stmt in single_input is followed by extra NEWLINE!
# NB: due to the way TYPE_COMMENT is tokenized it will always be followed by a NEWLINE
single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE
file_input: (NEWLINE | stmt)* ENDMARKER
eval_input: testlist NEWLINE* ENDMARKER
@ -17,14 +19,14 @@ decorators: decorator+
decorated: decorators (classdef | funcdef | async_funcdef)
async_funcdef: 'async' funcdef
funcdef: 'def' NAME parameters ['->' test] ':' suite
funcdef: 'def' NAME parameters ['->' test] ':' [TYPE_COMMENT] func_body_suite
parameters: '(' [typedargslist] ')'
typedargslist: (tfpdef ['=' test] (',' tfpdef ['=' test])* [',' [
'*' [tfpdef] (',' tfpdef ['=' test])* [',' ['**' tfpdef [',']]]
| '**' tfpdef [',']]]
| '*' [tfpdef] (',' tfpdef ['=' test])* [',' ['**' tfpdef [',']]]
| '**' tfpdef [','])
typedargslist: (tfpdef ['=' test] (',' [TYPE_COMMENT] tfpdef ['=' test])* (TYPE_COMMENT | [',' [TYPE_COMMENT] [
'*' [tfpdef] (',' [TYPE_COMMENT] tfpdef ['=' test])* (TYPE_COMMENT | [',' [TYPE_COMMENT] ['**' tfpdef [','] [TYPE_COMMENT]]])
| '**' tfpdef [','] [TYPE_COMMENT]]])
| '*' [tfpdef] (',' [TYPE_COMMENT] tfpdef ['=' test])* (TYPE_COMMENT | [',' [TYPE_COMMENT] ['**' tfpdef [','] [TYPE_COMMENT]]])
| '**' tfpdef [','] [TYPE_COMMENT])
tfpdef: NAME [':' test]
varargslist: (vfpdef ['=' test] (',' vfpdef ['=' test])* [',' [
'*' [vfpdef] (',' vfpdef ['=' test])* [',' ['**' vfpdef [',']]]
@ -39,7 +41,7 @@ simple_stmt: small_stmt (';' small_stmt)* [';'] NEWLINE
small_stmt: (expr_stmt | del_stmt | pass_stmt | flow_stmt |
import_stmt | global_stmt | nonlocal_stmt | assert_stmt)
expr_stmt: testlist_star_expr (annassign | augassign (yield_expr|testlist) |
('=' (yield_expr|testlist_star_expr))*)
[('=' (yield_expr|testlist_star_expr))+ [TYPE_COMMENT]] )
annassign: ':' test ['=' (yield_expr|testlist)]
testlist_star_expr: (test|star_expr) (',' (test|star_expr))* [',']
augassign: ('+=' | '-=' | '*=' | '@=' | '/=' | '%=' | '&=' | '|=' | '^=' |
@ -71,13 +73,13 @@ compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | with_stmt | funcdef
async_stmt: 'async' (funcdef | with_stmt | for_stmt)
if_stmt: 'if' namedexpr_test ':' suite ('elif' namedexpr_test ':' suite)* ['else' ':' suite]
while_stmt: 'while' test ':' suite ['else' ':' suite]
for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite]
for_stmt: 'for' exprlist 'in' testlist ':' [TYPE_COMMENT] suite ['else' ':' suite]
try_stmt: ('try' ':' suite
((except_clause ':' suite)+
['else' ':' suite]
['finally' ':' suite] |
'finally' ':' suite))
with_stmt: 'with' with_item (',' with_item)* ':' suite
with_stmt: 'with' with_item (',' with_item)* ':' [TYPE_COMMENT] suite
with_item: test ['as' expr]
# NB compile.c makes sure that the default except clause is last
except_clause: 'except' [test ['as' NAME]]
@ -150,3 +152,14 @@ encoding_decl: NAME
yield_expr: 'yield' [yield_arg]
yield_arg: 'from' test | testlist_star_expr
# the TYPE_COMMENT in suites is only parsed for funcdefs,
# but can't go elsewhere due to ambiguity
func_body_suite: simple_stmt | NEWLINE [TYPE_COMMENT NEWLINE] INDENT stmt+ DEDENT
func_type_input: func_type NEWLINE* ENDMARKER
func_type: '(' [typelist] ')' '->' test
# typelist is a modified typedargslist (see above)
typelist: (test (',' test)* [','
['*' [test] (',' test)* [',' '**' test] | '**' test]]
| '*' [test] (',' test)* [',' '**' test] | '**' test)

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@ -55,6 +55,8 @@ ELLIPSIS '...'
COLONEQUAL ':='
OP
TYPE_IGNORE
TYPE_COMMENT
ERRORTOKEN
# These aren't used by the C tokenizer but are needed for tokenize.py

94
Include/Python-ast.h generated
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@ -46,14 +46,17 @@ typedef struct _alias *alias_ty;
typedef struct _withitem *withitem_ty;
typedef struct _type_ignore *type_ignore_ty;
enum _mod_kind {Module_kind=1, Interactive_kind=2, Expression_kind=3,
Suite_kind=4};
FunctionType_kind=4, Suite_kind=5};
struct _mod {
enum _mod_kind kind;
union {
struct {
asdl_seq *body;
asdl_seq *type_ignores;
} Module;
struct {
@ -64,6 +67,11 @@ struct _mod {
expr_ty body;
} Expression;
struct {
asdl_seq *argtypes;
expr_ty returns;
} FunctionType;
struct {
asdl_seq *body;
} Suite;
@ -88,6 +96,7 @@ struct _stmt {
asdl_seq *body;
asdl_seq *decorator_list;
expr_ty returns;
string type_comment;
} FunctionDef;
struct {
@ -96,6 +105,7 @@ struct _stmt {
asdl_seq *body;
asdl_seq *decorator_list;
expr_ty returns;
string type_comment;
} AsyncFunctionDef;
struct {
@ -117,6 +127,7 @@ struct _stmt {
struct {
asdl_seq *targets;
expr_ty value;
string type_comment;
} Assign;
struct {
@ -137,6 +148,7 @@ struct _stmt {
expr_ty iter;
asdl_seq *body;
asdl_seq *orelse;
string type_comment;
} For;
struct {
@ -144,6 +156,7 @@ struct _stmt {
expr_ty iter;
asdl_seq *body;
asdl_seq *orelse;
string type_comment;
} AsyncFor;
struct {
@ -161,11 +174,13 @@ struct _stmt {
struct {
asdl_seq *items;
asdl_seq *body;
string type_comment;
} With;
struct {
asdl_seq *items;
asdl_seq *body;
string type_comment;
} AsyncWith;
struct {
@ -421,6 +436,7 @@ struct _arguments {
struct _arg {
identifier arg;
expr_ty annotation;
string type_comment;
int lineno;
int col_offset;
int end_lineno;
@ -442,26 +458,40 @@ struct _withitem {
expr_ty optional_vars;
};
enum _type_ignore_kind {TypeIgnore_kind=1};
struct _type_ignore {
enum _type_ignore_kind kind;
union {
struct {
int lineno;
} TypeIgnore;
} v;
};
// Note: these macros affect function definitions, not only call sites.
#define Module(a0, a1) _Py_Module(a0, a1)
mod_ty _Py_Module(asdl_seq * body, PyArena *arena);
#define Module(a0, a1, a2) _Py_Module(a0, a1, a2)
mod_ty _Py_Module(asdl_seq * body, asdl_seq * type_ignores, PyArena *arena);
#define Interactive(a0, a1) _Py_Interactive(a0, a1)
mod_ty _Py_Interactive(asdl_seq * body, PyArena *arena);
#define Expression(a0, a1) _Py_Expression(a0, a1)
mod_ty _Py_Expression(expr_ty body, PyArena *arena);
#define FunctionType(a0, a1, a2) _Py_FunctionType(a0, a1, a2)
mod_ty _Py_FunctionType(asdl_seq * argtypes, expr_ty returns, PyArena *arena);
#define Suite(a0, a1) _Py_Suite(a0, a1)
mod_ty _Py_Suite(asdl_seq * body, PyArena *arena);
#define FunctionDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) _Py_FunctionDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
#define FunctionDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) _Py_FunctionDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)
stmt_ty _Py_FunctionDef(identifier name, arguments_ty args, asdl_seq * body,
asdl_seq * decorator_list, expr_ty returns, int lineno,
int col_offset, int end_lineno, int end_col_offset,
PyArena *arena);
#define AsyncFunctionDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) _Py_AsyncFunctionDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
asdl_seq * decorator_list, expr_ty returns, string
type_comment, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena);
#define AsyncFunctionDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) _Py_AsyncFunctionDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)
stmt_ty _Py_AsyncFunctionDef(identifier name, arguments_ty args, asdl_seq *
body, asdl_seq * decorator_list, expr_ty returns,
int lineno, int col_offset, int end_lineno, int
end_col_offset, PyArena *arena);
string type_comment, int lineno, int col_offset,
int end_lineno, int end_col_offset, PyArena
*arena);
#define ClassDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) _Py_ClassDef(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
stmt_ty _Py_ClassDef(identifier name, asdl_seq * bases, asdl_seq * keywords,
asdl_seq * body, asdl_seq * decorator_list, int lineno,
@ -473,10 +503,10 @@ stmt_ty _Py_Return(expr_ty value, int lineno, int col_offset, int end_lineno,
#define Delete(a0, a1, a2, a3, a4, a5) _Py_Delete(a0, a1, a2, a3, a4, a5)
stmt_ty _Py_Delete(asdl_seq * targets, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena);
#define Assign(a0, a1, a2, a3, a4, a5, a6) _Py_Assign(a0, a1, a2, a3, a4, a5, a6)
stmt_ty _Py_Assign(asdl_seq * targets, expr_ty value, int lineno, int
col_offset, int end_lineno, int end_col_offset, PyArena
*arena);
#define Assign(a0, a1, a2, a3, a4, a5, a6, a7) _Py_Assign(a0, a1, a2, a3, a4, a5, a6, a7)
stmt_ty _Py_Assign(asdl_seq * targets, expr_ty value, string type_comment, int
lineno, int col_offset, int end_lineno, int end_col_offset,
PyArena *arena);
#define AugAssign(a0, a1, a2, a3, a4, a5, a6, a7) _Py_AugAssign(a0, a1, a2, a3, a4, a5, a6, a7)
stmt_ty _Py_AugAssign(expr_ty target, operator_ty op, expr_ty value, int
lineno, int col_offset, int end_lineno, int
@ -485,14 +515,14 @@ stmt_ty _Py_AugAssign(expr_ty target, operator_ty op, expr_ty value, int
stmt_ty _Py_AnnAssign(expr_ty target, expr_ty annotation, expr_ty value, int
simple, int lineno, int col_offset, int end_lineno, int
end_col_offset, PyArena *arena);
#define For(a0, a1, a2, a3, a4, a5, a6, a7, a8) _Py_For(a0, a1, a2, a3, a4, a5, a6, a7, a8)
#define For(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) _Py_For(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
stmt_ty _Py_For(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq *
orelse, int lineno, int col_offset, int end_lineno, int
end_col_offset, PyArena *arena);
#define AsyncFor(a0, a1, a2, a3, a4, a5, a6, a7, a8) _Py_AsyncFor(a0, a1, a2, a3, a4, a5, a6, a7, a8)
orelse, string type_comment, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena);
#define AsyncFor(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) _Py_AsyncFor(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9)
stmt_ty _Py_AsyncFor(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq *
orelse, int lineno, int col_offset, int end_lineno, int
end_col_offset, PyArena *arena);
orelse, string type_comment, int lineno, int col_offset,
int end_lineno, int end_col_offset, PyArena *arena);
#define While(a0, a1, a2, a3, a4, a5, a6, a7) _Py_While(a0, a1, a2, a3, a4, a5, a6, a7)
stmt_ty _Py_While(expr_ty test, asdl_seq * body, asdl_seq * orelse, int lineno,
int col_offset, int end_lineno, int end_col_offset, PyArena
@ -501,13 +531,14 @@ stmt_ty _Py_While(expr_ty test, asdl_seq * body, asdl_seq * orelse, int lineno,
stmt_ty _Py_If(expr_ty test, asdl_seq * body, asdl_seq * orelse, int lineno,
int col_offset, int end_lineno, int end_col_offset, PyArena
*arena);
#define With(a0, a1, a2, a3, a4, a5, a6) _Py_With(a0, a1, a2, a3, a4, a5, a6)
stmt_ty _Py_With(asdl_seq * items, asdl_seq * body, int lineno, int col_offset,
int end_lineno, int end_col_offset, PyArena *arena);
#define AsyncWith(a0, a1, a2, a3, a4, a5, a6) _Py_AsyncWith(a0, a1, a2, a3, a4, a5, a6)
stmt_ty _Py_AsyncWith(asdl_seq * items, asdl_seq * body, int lineno, int
col_offset, int end_lineno, int end_col_offset, PyArena
*arena);
#define With(a0, a1, a2, a3, a4, a5, a6, a7) _Py_With(a0, a1, a2, a3, a4, a5, a6, a7)
stmt_ty _Py_With(asdl_seq * items, asdl_seq * body, string type_comment, int
lineno, int col_offset, int end_lineno, int end_col_offset,
PyArena *arena);
#define AsyncWith(a0, a1, a2, a3, a4, a5, a6, a7) _Py_AsyncWith(a0, a1, a2, a3, a4, a5, a6, a7)
stmt_ty _Py_AsyncWith(asdl_seq * items, asdl_seq * body, string type_comment,
int lineno, int col_offset, int end_lineno, int
end_col_offset, PyArena *arena);
#define Raise(a0, a1, a2, a3, a4, a5, a6) _Py_Raise(a0, a1, a2, a3, a4, a5, a6)
stmt_ty _Py_Raise(expr_ty exc, expr_ty cause, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena);
@ -656,9 +687,10 @@ excepthandler_ty _Py_ExceptHandler(expr_ty type, identifier name, asdl_seq *
arguments_ty _Py_arguments(asdl_seq * args, arg_ty vararg, asdl_seq *
kwonlyargs, asdl_seq * kw_defaults, arg_ty kwarg,
asdl_seq * defaults, PyArena *arena);
#define arg(a0, a1, a2, a3, a4, a5, a6) _Py_arg(a0, a1, a2, a3, a4, a5, a6)
arg_ty _Py_arg(identifier arg, expr_ty annotation, int lineno, int col_offset,
int end_lineno, int end_col_offset, PyArena *arena);
#define arg(a0, a1, a2, a3, a4, a5, a6, a7) _Py_arg(a0, a1, a2, a3, a4, a5, a6, a7)
arg_ty _Py_arg(identifier arg, expr_ty annotation, string type_comment, int
lineno, int col_offset, int end_lineno, int end_col_offset,
PyArena *arena);
#define keyword(a0, a1, a2) _Py_keyword(a0, a1, a2)
keyword_ty _Py_keyword(identifier arg, expr_ty value, PyArena *arena);
#define alias(a0, a1, a2) _Py_alias(a0, a1, a2)
@ -666,6 +698,8 @@ alias_ty _Py_alias(identifier name, identifier asname, PyArena *arena);
#define withitem(a0, a1, a2) _Py_withitem(a0, a1, a2)
withitem_ty _Py_withitem(expr_ty context_expr, expr_ty optional_vars, PyArena
*arena);
#define TypeIgnore(a0, a1) _Py_TypeIgnore(a0, a1)
type_ignore_ty _Py_TypeIgnore(int lineno, PyArena *arena);
PyObject* PyAST_mod2obj(mod_ty t);
mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode);

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@ -22,6 +22,7 @@ PyAPI_FUNC(PyCodeObject *) PyNode_Compile(struct _node *, const char *);
#define PyCF_DONT_IMPLY_DEDENT 0x0200
#define PyCF_ONLY_AST 0x0400
#define PyCF_IGNORE_COOKIE 0x0800
#define PyCF_TYPE_COMMENTS 0x1000
#ifndef Py_LIMITED_API
typedef struct {
@ -85,10 +86,10 @@ PyAPI_FUNC(int) _PyAST_Optimize(struct _mod *, PyArena *arena, int optimize);
#endif /* !Py_LIMITED_API */
/* These definitions must match corresponding definitions in graminit.h.
There's code in compile.c that checks that they are the same. */
/* These definitions must match corresponding definitions in graminit.h. */
#define Py_single_input 256
#define Py_file_input 257
#define Py_eval_input 258
#define Py_func_type_input 345
#endif /* !Py_COMPILE_H */

4
Include/graminit.h generated
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@ -88,3 +88,7 @@
#define encoding_decl 341
#define yield_expr 342
#define yield_arg 343
#define func_body_suite 344
#define func_type_input 345
#define func_type 346
#define typelist 347

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@ -37,6 +37,7 @@ typedef struct {
#define PyPARSE_IGNORE_COOKIE 0x0010
#define PyPARSE_BARRY_AS_BDFL 0x0020
#define PyPARSE_TYPE_COMMENTS 0x0040
PyAPI_FUNC(node *) PyParser_ParseString(const char *, grammar *, int,
perrdetail *);

6
Include/token.h generated
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@ -65,8 +65,10 @@ extern "C" {
#define ELLIPSIS 52
#define COLONEQUAL 53
#define OP 54
#define ERRORTOKEN 55
#define N_TOKENS 59
#define TYPE_IGNORE 55
#define TYPE_COMMENT 56
#define ERRORTOKEN 57
#define N_TOKENS 61
#define NT_OFFSET 256
/* Special definitions for cooperation with parser */

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@ -27,12 +27,16 @@
from _ast import *
def parse(source, filename='<unknown>', mode='exec'):
def parse(source, filename='<unknown>', mode='exec', *, type_comments=False):
"""
Parse the source into an AST node.
Equivalent to compile(source, filename, mode, PyCF_ONLY_AST).
Pass type_comments=True to get back type comments where the syntax allows.
"""
return compile(source, filename, mode, PyCF_ONLY_AST)
flags = PyCF_ONLY_AST
if type_comments:
flags |= PyCF_TYPE_COMMENTS
return compile(source, filename, mode, flags)
def literal_eval(node_or_string):

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@ -100,6 +100,10 @@ comp_if = 340
encoding_decl = 341
yield_expr = 342
yield_arg = 343
func_body_suite = 344
func_type_input = 345
func_type = 346
typelist = 347
#--end constants--
sym_name = {}

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@ -117,7 +117,8 @@ class TestAsdlParser(unittest.TestCase):
v = CustomVisitor()
v.visit(self.types['mod'])
self.assertEqual(v.names_with_seq, ['Module', 'Interactive', 'Suite'])
self.assertEqual(v.names_with_seq,
['Module', 'Module', 'Interactive', 'FunctionType', 'Suite'])
if __name__ == '__main__':

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@ -455,7 +455,7 @@ class AST_Tests(unittest.TestCase):
def test_module(self):
body = [ast.Num(42)]
x = ast.Module(body)
x = ast.Module(body, [])
self.assertEqual(x.body, body)
def test_nodeclasses(self):
@ -524,13 +524,13 @@ class AST_Tests(unittest.TestCase):
def test_invalid_sum(self):
pos = dict(lineno=2, col_offset=3)
m = ast.Module([ast.Expr(ast.expr(**pos), **pos)])
m = ast.Module([ast.Expr(ast.expr(**pos), **pos)], [])
with self.assertRaises(TypeError) as cm:
compile(m, "<test>", "exec")
self.assertIn("but got <_ast.expr", str(cm.exception))
def test_invalid_identitifer(self):
m = ast.Module([ast.Expr(ast.Name(42, ast.Load()))])
m = ast.Module([ast.Expr(ast.Name(42, ast.Load()))], [])
ast.fix_missing_locations(m)
with self.assertRaises(TypeError) as cm:
compile(m, "<test>", "exec")
@ -575,11 +575,11 @@ class ASTHelpers_Test(unittest.TestCase):
self.assertEqual(ast.dump(node),
"Module(body=[Expr(value=Call(func=Name(id='spam', ctx=Load()), "
"args=[Name(id='eggs', ctx=Load()), Constant(value='and cheese')], "
"keywords=[]))])"
"keywords=[]))], type_ignores=[])"
)
self.assertEqual(ast.dump(node, annotate_fields=False),
"Module([Expr(Call(Name('spam', Load()), [Name('eggs', Load()), "
"Constant('and cheese')], []))])"
"Constant('and cheese')], []))], [])"
)
self.assertEqual(ast.dump(node, include_attributes=True),
"Module(body=[Expr(value=Call(func=Name(id='spam', ctx=Load(), "
@ -588,7 +588,7 @@ class ASTHelpers_Test(unittest.TestCase):
"end_lineno=1, end_col_offset=9), Constant(value='and cheese', "
"lineno=1, col_offset=11, end_lineno=1, end_col_offset=23)], keywords=[], "
"lineno=1, col_offset=0, end_lineno=1, end_col_offset=24), "
"lineno=1, col_offset=0, end_lineno=1, end_col_offset=24)])"
"lineno=1, col_offset=0, end_lineno=1, end_col_offset=24)], type_ignores=[])"
)
def test_copy_location(self):
@ -617,7 +617,8 @@ class ASTHelpers_Test(unittest.TestCase):
"lineno=1, col_offset=0, end_lineno=1, end_col_offset=0), "
"args=[Constant(value='eggs', lineno=1, col_offset=0, end_lineno=1, "
"end_col_offset=0)], keywords=[], lineno=1, col_offset=0, end_lineno=1, "
"end_col_offset=0), lineno=1, col_offset=0, end_lineno=1, end_col_offset=0)])"
"end_col_offset=0), lineno=1, col_offset=0, end_lineno=1, end_col_offset=0)], "
"type_ignores=[])"
)
def test_increment_lineno(self):
@ -760,7 +761,7 @@ class ASTHelpers_Test(unittest.TestCase):
names=[ast.alias(name='sleep')],
level=None,
lineno=None, col_offset=None)]
mod = ast.Module(body)
mod = ast.Module(body, [])
with self.assertRaises(ValueError) as cm:
compile(mod, 'test', 'exec')
self.assertIn("invalid integer value: None", str(cm.exception))
@ -770,7 +771,7 @@ class ASTHelpers_Test(unittest.TestCase):
names=[ast.alias(name='sleep')],
level=None,
lineno=0, col_offset=0)]
mod = ast.Module(body)
mod = ast.Module(body, [])
code = compile(mod, 'test', 'exec')
ns = {}
exec(code, ns)
@ -790,11 +791,11 @@ class ASTValidatorTests(unittest.TestCase):
self.assertIn(msg, str(cm.exception))
def expr(self, node, msg=None, *, exc=ValueError):
mod = ast.Module([ast.Expr(node)])
mod = ast.Module([ast.Expr(node)], [])
self.mod(mod, msg, exc=exc)
def stmt(self, stmt, msg=None):
mod = ast.Module([stmt])
mod = ast.Module([stmt], [])
self.mod(mod, msg)
def test_module(self):
@ -1603,61 +1604,61 @@ def main():
raise SystemExit
unittest.main()
#### EVERYTHING BELOW IS GENERATED #####
#### EVERYTHING BELOW IS GENERATED BY python Lib/test/test_ast.py -g #####
exec_results = [
('Module', [('Expr', (1, 0), ('Constant', (1, 0), None))]),
('Module', [('Expr', (1, 0), ('Constant', (1, 0), 'module docstring'))]),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (1, 9))], [], None)]),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (1, 9), ('Constant', (1, 9), 'function docstring'))], [], None)]),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None)], None, [], [], None, []), [('Pass', (1, 10))], [], None)]),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None)], None, [], [], None, [('Constant', (1, 8), 0)]), [('Pass', (1, 12))], [], None)]),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], ('arg', (1, 7), 'args', None), [], [], None, []), [('Pass', (1, 14))], [], None)]),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], ('arg', (1, 8), 'kwargs', None), []), [('Pass', (1, 17))], [], None)]),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None), ('arg', (1, 9), 'b', None), ('arg', (1, 14), 'c', None), ('arg', (1, 22), 'd', None), ('arg', (1, 28), 'e', None)], ('arg', (1, 35), 'args', None), [('arg', (1, 41), 'f', None)], [('Constant', (1, 43), 42)], ('arg', (1, 49), 'kwargs', None), [('Constant', (1, 11), 1), ('Constant', (1, 16), None), ('List', (1, 24), [], ('Load',)), ('Dict', (1, 30), [], [])]), [('Expr', (1, 58), ('Constant', (1, 58), 'doc for f()'))], [], None)]),
('Module', [('ClassDef', (1, 0), 'C', [], [], [('Pass', (1, 8))], [])]),
('Module', [('ClassDef', (1, 0), 'C', [], [], [('Expr', (1, 9), ('Constant', (1, 9), 'docstring for class C'))], [])]),
('Module', [('ClassDef', (1, 0), 'C', [('Name', (1, 8), 'object', ('Load',))], [], [('Pass', (1, 17))], [])]),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Return', (1, 8), ('Constant', (1, 15), 1))], [], None)]),
('Module', [('Delete', (1, 0), [('Name', (1, 4), 'v', ('Del',))])]),
('Module', [('Assign', (1, 0), [('Name', (1, 0), 'v', ('Store',))], ('Constant', (1, 4), 1))]),
('Module', [('Assign', (1, 0), [('Tuple', (1, 0), [('Name', (1, 0), 'a', ('Store',)), ('Name', (1, 2), 'b', ('Store',))], ('Store',))], ('Name', (1, 6), 'c', ('Load',)))]),
('Module', [('Assign', (1, 0), [('Tuple', (1, 0), [('Name', (1, 1), 'a', ('Store',)), ('Name', (1, 3), 'b', ('Store',))], ('Store',))], ('Name', (1, 8), 'c', ('Load',)))]),
('Module', [('Assign', (1, 0), [('List', (1, 0), [('Name', (1, 1), 'a', ('Store',)), ('Name', (1, 3), 'b', ('Store',))], ('Store',))], ('Name', (1, 8), 'c', ('Load',)))]),
('Module', [('AugAssign', (1, 0), ('Name', (1, 0), 'v', ('Store',)), ('Add',), ('Constant', (1, 5), 1))]),
('Module', [('For', (1, 0), ('Name', (1, 4), 'v', ('Store',)), ('Name', (1, 9), 'v', ('Load',)), [('Pass', (1, 11))], [])]),
('Module', [('While', (1, 0), ('Name', (1, 6), 'v', ('Load',)), [('Pass', (1, 8))], [])]),
('Module', [('If', (1, 0), ('Name', (1, 3), 'v', ('Load',)), [('Pass', (1, 5))], [])]),
('Module', [('With', (1, 0), [('withitem', ('Name', (1, 5), 'x', ('Load',)), ('Name', (1, 10), 'y', ('Store',)))], [('Pass', (1, 13))])]),
('Module', [('With', (1, 0), [('withitem', ('Name', (1, 5), 'x', ('Load',)), ('Name', (1, 10), 'y', ('Store',))), ('withitem', ('Name', (1, 13), 'z', ('Load',)), ('Name', (1, 18), 'q', ('Store',)))], [('Pass', (1, 21))])]),
('Module', [('Raise', (1, 0), ('Call', (1, 6), ('Name', (1, 6), 'Exception', ('Load',)), [('Constant', (1, 16), 'string')], []), None)]),
('Module', [('Try', (1, 0), [('Pass', (2, 2))], [('ExceptHandler', (3, 0), ('Name', (3, 7), 'Exception', ('Load',)), None, [('Pass', (4, 2))])], [], [])]),
('Module', [('Try', (1, 0), [('Pass', (2, 2))], [], [], [('Pass', (4, 2))])]),
('Module', [('Assert', (1, 0), ('Name', (1, 7), 'v', ('Load',)), None)]),
('Module', [('Import', (1, 0), [('alias', 'sys', None)])]),
('Module', [('ImportFrom', (1, 0), 'sys', [('alias', 'v', None)], 0)]),
('Module', [('Global', (1, 0), ['v'])]),
('Module', [('Expr', (1, 0), ('Constant', (1, 0), 1))]),
('Module', [('Pass', (1, 0))]),
('Module', [('For', (1, 0), ('Name', (1, 4), 'v', ('Store',)), ('Name', (1, 9), 'v', ('Load',)), [('Break', (1, 11))], [])]),
('Module', [('For', (1, 0), ('Name', (1, 4), 'v', ('Store',)), ('Name', (1, 9), 'v', ('Load',)), [('Continue', (1, 11))], [])]),
('Module', [('For', (1, 0), ('Tuple', (1, 4), [('Name', (1, 4), 'a', ('Store',)), ('Name', (1, 6), 'b', ('Store',))], ('Store',)), ('Name', (1, 11), 'c', ('Load',)), [('Pass', (1, 14))], [])]),
('Module', [('For', (1, 0), ('Tuple', (1, 4), [('Name', (1, 5), 'a', ('Store',)), ('Name', (1, 7), 'b', ('Store',))], ('Store',)), ('Name', (1, 13), 'c', ('Load',)), [('Pass', (1, 16))], [])]),
('Module', [('For', (1, 0), ('List', (1, 4), [('Name', (1, 5), 'a', ('Store',)), ('Name', (1, 7), 'b', ('Store',))], ('Store',)), ('Name', (1, 13), 'c', ('Load',)), [('Pass', (1, 16))], [])]),
('Module', [('Expr', (1, 0), ('GeneratorExp', (1, 0), ('Tuple', (2, 4), [('Name', (3, 4), 'Aa', ('Load',)), ('Name', (5, 7), 'Bb', ('Load',))], ('Load',)), [('comprehension', ('Tuple', (8, 4), [('Name', (8, 4), 'Aa', ('Store',)), ('Name', (10, 4), 'Bb', ('Store',))], ('Store',)), ('Name', (10, 10), 'Cc', ('Load',)), [], 0)]))]),
('Module', [('Expr', (1, 0), ('DictComp', (1, 0), ('Name', (1, 1), 'a', ('Load',)), ('Name', (1, 5), 'b', ('Load',)), [('comprehension', ('Name', (1, 11), 'w', ('Store',)), ('Name', (1, 16), 'x', ('Load',)), [], 0), ('comprehension', ('Name', (1, 22), 'm', ('Store',)), ('Name', (1, 27), 'p', ('Load',)), [('Name', (1, 32), 'g', ('Load',))], 0)]))]),
('Module', [('Expr', (1, 0), ('DictComp', (1, 0), ('Name', (1, 1), 'a', ('Load',)), ('Name', (1, 5), 'b', ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 11), 'v', ('Store',)), ('Name', (1, 13), 'w', ('Store',))], ('Store',)), ('Name', (1, 18), 'x', ('Load',)), [], 0)]))]),
('Module', [('Expr', (1, 0), ('SetComp', (1, 0), ('Name', (1, 1), 'r', ('Load',)), [('comprehension', ('Name', (1, 7), 'l', ('Store',)), ('Name', (1, 12), 'x', ('Load',)), [('Name', (1, 17), 'g', ('Load',))], 0)]))]),
('Module', [('Expr', (1, 0), ('SetComp', (1, 0), ('Name', (1, 1), 'r', ('Load',)), [('comprehension', ('Tuple', (1, 7), [('Name', (1, 7), 'l', ('Store',)), ('Name', (1, 9), 'm', ('Store',))], ('Store',)), ('Name', (1, 14), 'x', ('Load',)), [], 0)]))]),
('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (2, 1), ('Constant', (2, 1), 'async function')), ('Expr', (3, 1), ('Await', (3, 1), ('Call', (3, 7), ('Name', (3, 7), 'something', ('Load',)), [], [])))], [], None)]),
('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('AsyncFor', (2, 1), ('Name', (2, 11), 'e', ('Store',)), ('Name', (2, 16), 'i', ('Load',)), [('Expr', (2, 19), ('Constant', (2, 19), 1))], [('Expr', (3, 7), ('Constant', (3, 7), 2))])], [], None)]),
('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('AsyncWith', (2, 1), [('withitem', ('Name', (2, 12), 'a', ('Load',)), ('Name', (2, 17), 'b', ('Store',)))], [('Expr', (2, 20), ('Constant', (2, 20), 1))])], [], None)]),
('Module', [('Expr', (1, 0), ('Dict', (1, 0), [None, ('Constant', (1, 10), 2)], [('Dict', (1, 3), [('Constant', (1, 4), 1)], [('Constant', (1, 6), 2)]), ('Constant', (1, 12), 3)]))]),
('Module', [('Expr', (1, 0), ('Set', (1, 0), [('Starred', (1, 1), ('Set', (1, 2), [('Constant', (1, 3), 1), ('Constant', (1, 6), 2)]), ('Load',)), ('Constant', (1, 10), 3)]))]),
('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (2, 1), ('ListComp', (2, 1), ('Name', (2, 2), 'i', ('Load',)), [('comprehension', ('Name', (2, 14), 'b', ('Store',)), ('Name', (2, 19), 'c', ('Load',)), [], 1)]))], [], None)]),
('Module', [('FunctionDef', (3, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (3, 9))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 0), ('Name', (2, 1), 'deco2', ('Load',)), [], [])], None)]),
('Module', [('AsyncFunctionDef', (3, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (3, 15))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 0), ('Name', (2, 1), 'deco2', ('Load',)), [], [])], None)]),
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('Module', [('Expr', (1, 0), ('Constant', (1, 0), None))], []),
('Module', [('Expr', (1, 0), ('Constant', (1, 0), 'module docstring'))], []),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (1, 9))], [], None, None)], []),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (1, 9), ('Constant', (1, 9), 'function docstring'))], [], None, None)], []),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None, None)], None, [], [], None, []), [('Pass', (1, 10))], [], None, None)], []),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None, None)], None, [], [], None, [('Constant', (1, 8), 0)]), [('Pass', (1, 12))], [], None, None)], []),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], ('arg', (1, 7), 'args', None, None), [], [], None, []), [('Pass', (1, 14))], [], None, None)], []),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], ('arg', (1, 8), 'kwargs', None, None), []), [('Pass', (1, 17))], [], None, None)], []),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [('arg', (1, 6), 'a', None, None), ('arg', (1, 9), 'b', None, None), ('arg', (1, 14), 'c', None, None), ('arg', (1, 22), 'd', None, None), ('arg', (1, 28), 'e', None, None)], ('arg', (1, 35), 'args', None, None), [('arg', (1, 41), 'f', None, None)], [('Constant', (1, 43), 42)], ('arg', (1, 49), 'kwargs', None, None), [('Constant', (1, 11), 1), ('Constant', (1, 16), None), ('List', (1, 24), [], ('Load',)), ('Dict', (1, 30), [], [])]), [('Expr', (1, 58), ('Constant', (1, 58), 'doc for f()'))], [], None, None)], []),
('Module', [('ClassDef', (1, 0), 'C', [], [], [('Pass', (1, 8))], [])], []),
('Module', [('ClassDef', (1, 0), 'C', [], [], [('Expr', (1, 9), ('Constant', (1, 9), 'docstring for class C'))], [])], []),
('Module', [('ClassDef', (1, 0), 'C', [('Name', (1, 8), 'object', ('Load',))], [], [('Pass', (1, 17))], [])], []),
('Module', [('FunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Return', (1, 8), ('Constant', (1, 15), 1))], [], None, None)], []),
('Module', [('Delete', (1, 0), [('Name', (1, 4), 'v', ('Del',))])], []),
('Module', [('Assign', (1, 0), [('Name', (1, 0), 'v', ('Store',))], ('Constant', (1, 4), 1), None)], []),
('Module', [('Assign', (1, 0), [('Tuple', (1, 0), [('Name', (1, 0), 'a', ('Store',)), ('Name', (1, 2), 'b', ('Store',))], ('Store',))], ('Name', (1, 6), 'c', ('Load',)), None)], []),
('Module', [('Assign', (1, 0), [('Tuple', (1, 0), [('Name', (1, 1), 'a', ('Store',)), ('Name', (1, 3), 'b', ('Store',))], ('Store',))], ('Name', (1, 8), 'c', ('Load',)), None)], []),
('Module', [('Assign', (1, 0), [('List', (1, 0), [('Name', (1, 1), 'a', ('Store',)), ('Name', (1, 3), 'b', ('Store',))], ('Store',))], ('Name', (1, 8), 'c', ('Load',)), None)], []),
('Module', [('AugAssign', (1, 0), ('Name', (1, 0), 'v', ('Store',)), ('Add',), ('Constant', (1, 5), 1))], []),
('Module', [('For', (1, 0), ('Name', (1, 4), 'v', ('Store',)), ('Name', (1, 9), 'v', ('Load',)), [('Pass', (1, 11))], [], None)], []),
('Module', [('While', (1, 0), ('Name', (1, 6), 'v', ('Load',)), [('Pass', (1, 8))], [])], []),
('Module', [('If', (1, 0), ('Name', (1, 3), 'v', ('Load',)), [('Pass', (1, 5))], [])], []),
('Module', [('With', (1, 0), [('withitem', ('Name', (1, 5), 'x', ('Load',)), ('Name', (1, 10), 'y', ('Store',)))], [('Pass', (1, 13))], None)], []),
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('Module', [('Raise', (1, 0), ('Call', (1, 6), ('Name', (1, 6), 'Exception', ('Load',)), [('Constant', (1, 16), 'string')], []), None)], []),
('Module', [('Try', (1, 0), [('Pass', (2, 2))], [('ExceptHandler', (3, 0), ('Name', (3, 7), 'Exception', ('Load',)), None, [('Pass', (4, 2))])], [], [])], []),
('Module', [('Try', (1, 0), [('Pass', (2, 2))], [], [], [('Pass', (4, 2))])], []),
('Module', [('Assert', (1, 0), ('Name', (1, 7), 'v', ('Load',)), None)], []),
('Module', [('Import', (1, 0), [('alias', 'sys', None)])], []),
('Module', [('ImportFrom', (1, 0), 'sys', [('alias', 'v', None)], 0)], []),
('Module', [('Global', (1, 0), ['v'])], []),
('Module', [('Expr', (1, 0), ('Constant', (1, 0), 1))], []),
('Module', [('Pass', (1, 0))], []),
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('Module', [('Expr', (1, 0), ('DictComp', (1, 0), ('Name', (1, 1), 'a', ('Load',)), ('Name', (1, 5), 'b', ('Load',)), [('comprehension', ('Tuple', (1, 11), [('Name', (1, 11), 'v', ('Store',)), ('Name', (1, 13), 'w', ('Store',))], ('Store',)), ('Name', (1, 18), 'x', ('Load',)), [], 0)]))], []),
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('Module', [('Expr', (1, 0), ('SetComp', (1, 0), ('Name', (1, 1), 'r', ('Load',)), [('comprehension', ('Tuple', (1, 7), [('Name', (1, 7), 'l', ('Store',)), ('Name', (1, 9), 'm', ('Store',))], ('Store',)), ('Name', (1, 14), 'x', ('Load',)), [], 0)]))], []),
('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (2, 1), ('Constant', (2, 1), 'async function')), ('Expr', (3, 1), ('Await', (3, 1), ('Call', (3, 7), ('Name', (3, 7), 'something', ('Load',)), [], [])))], [], None, None)], []),
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('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('AsyncWith', (2, 1), [('withitem', ('Name', (2, 12), 'a', ('Load',)), ('Name', (2, 17), 'b', ('Store',)))], [('Expr', (2, 20), ('Constant', (2, 20), 1))], None)], [], None, None)], []),
('Module', [('Expr', (1, 0), ('Dict', (1, 0), [None, ('Constant', (1, 10), 2)], [('Dict', (1, 3), [('Constant', (1, 4), 1)], [('Constant', (1, 6), 2)]), ('Constant', (1, 12), 3)]))], []),
('Module', [('Expr', (1, 0), ('Set', (1, 0), [('Starred', (1, 1), ('Set', (1, 2), [('Constant', (1, 3), 1), ('Constant', (1, 6), 2)]), ('Load',)), ('Constant', (1, 10), 3)]))], []),
('Module', [('AsyncFunctionDef', (1, 0), 'f', ('arguments', [], None, [], [], None, []), [('Expr', (2, 1), ('ListComp', (2, 1), ('Name', (2, 2), 'i', ('Load',)), [('comprehension', ('Name', (2, 14), 'b', ('Store',)), ('Name', (2, 19), 'c', ('Load',)), [], 1)]))], [], None, None)], []),
('Module', [('FunctionDef', (3, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (3, 9))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 0), ('Name', (2, 1), 'deco2', ('Load',)), [], [])], None, None)], []),
('Module', [('AsyncFunctionDef', (3, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (3, 15))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 0), ('Name', (2, 1), 'deco2', ('Load',)), [], [])], None, None)], []),
('Module', [('ClassDef', (3, 0), 'C', [], [], [('Pass', (3, 9))], [('Name', (1, 1), 'deco1', ('Load',)), ('Call', (2, 0), ('Name', (2, 1), 'deco2', ('Load',)), [], [])])], []),
('Module', [('FunctionDef', (2, 0), 'f', ('arguments', [], None, [], [], None, []), [('Pass', (2, 9))], [('Call', (1, 1), ('Name', (1, 1), 'deco', ('Load',)), [('GeneratorExp', (1, 5), ('Name', (1, 6), 'a', ('Load',)), [('comprehension', ('Name', (1, 12), 'a', ('Store',)), ('Name', (1, 17), 'b', ('Load',)), [], 0)])], [])], None, None)], []),
]
single_results = [
('Interactive', [('Expr', (1, 0), ('BinOp', (1, 0), ('Constant', (1, 0), 1), ('Add',), ('Constant', (1, 2), 2)))]),

View File

@ -0,0 +1,295 @@
import ast
import unittest
funcdef = """\
def foo():
# type: () -> int
pass
def bar(): # type: () -> None
pass
"""
asyncdef = """\
async def foo():
# type: () -> int
return await bar()
async def bar(): # type: () -> int
return await bar()
"""
redundantdef = """\
def foo(): # type: () -> int
# type: () -> str
return ''
"""
nonasciidef = """\
def foo():
# type: () -> àçčéñt
pass
"""
forstmt = """\
for a in []: # type: int
pass
"""
withstmt = """\
with context() as a: # type: int
pass
"""
vardecl = """\
a = 0 # type: int
"""
ignores = """\
def foo():
pass # type: ignore
def bar():
x = 1 # type: ignore
"""
# Test for long-form type-comments in arguments. A test function
# named 'fabvk' would have two positional args, a and b, plus a
# var-arg *v, plus a kw-arg **k. It is verified in test_longargs()
# that it has exactly these arguments, no more, no fewer.
longargs = """\
def fa(
a = 1, # type: A
):
pass
def fa(
a = 1 # type: A
):
pass
def fab(
a, # type: A
b, # type: B
):
pass
def fab(
a, # type: A
b # type: B
):
pass
def fv(
*v, # type: V
):
pass
def fv(
*v # type: V
):
pass
def fk(
**k, # type: K
):
pass
def fk(
**k # type: K
):
pass
def fvk(
*v, # type: V
**k, # type: K
):
pass
def fvk(
*v, # type: V
**k # type: K
):
pass
def fav(
a, # type: A
*v, # type: V
):
pass
def fav(
a, # type: A
*v # type: V
):
pass
def fak(
a, # type: A
**k, # type: K
):
pass
def fak(
a, # type: A
**k # type: K
):
pass
def favk(
a, # type: A
*v, # type: V
**k, # type: K
):
pass
def favk(
a, # type: A
*v, # type: V
**k # type: K
):
pass
"""
class TypeCommentTests(unittest.TestCase):
def parse(self, source):
return ast.parse(source, type_comments=True)
def classic_parse(self, source):
return ast.parse(source)
def test_funcdef(self):
tree = self.parse(funcdef)
self.assertEqual(tree.body[0].type_comment, "() -> int")
self.assertEqual(tree.body[1].type_comment, "() -> None")
tree = self.classic_parse(funcdef)
self.assertEqual(tree.body[0].type_comment, None)
self.assertEqual(tree.body[1].type_comment, None)
def test_asyncdef(self):
tree = self.parse(asyncdef)
self.assertEqual(tree.body[0].type_comment, "() -> int")
self.assertEqual(tree.body[1].type_comment, "() -> int")
tree = self.classic_parse(asyncdef)
self.assertEqual(tree.body[0].type_comment, None)
self.assertEqual(tree.body[1].type_comment, None)
def test_redundantdef(self):
with self.assertRaisesRegex(SyntaxError, "^Cannot have two type comments on def"):
tree = self.parse(redundantdef)
def test_nonasciidef(self):
tree = self.parse(nonasciidef)
self.assertEqual(tree.body[0].type_comment, "() -> àçčéñt")
def test_forstmt(self):
tree = self.parse(forstmt)
self.assertEqual(tree.body[0].type_comment, "int")
tree = self.classic_parse(forstmt)
self.assertEqual(tree.body[0].type_comment, None)
def test_withstmt(self):
tree = self.parse(withstmt)
self.assertEqual(tree.body[0].type_comment, "int")
tree = self.classic_parse(withstmt)
self.assertEqual(tree.body[0].type_comment, None)
def test_vardecl(self):
tree = self.parse(vardecl)
self.assertEqual(tree.body[0].type_comment, "int")
tree = self.classic_parse(vardecl)
self.assertEqual(tree.body[0].type_comment, None)
def test_ignores(self):
tree = self.parse(ignores)
self.assertEqual([ti.lineno for ti in tree.type_ignores], [2, 5])
tree = self.classic_parse(ignores)
self.assertEqual(tree.type_ignores, [])
def test_longargs(self):
tree = self.parse(longargs)
for t in tree.body:
# The expected args are encoded in the function name
todo = set(t.name[1:])
self.assertEqual(len(t.args.args),
len(todo) - bool(t.args.vararg) - bool(t.args.kwarg))
self.assertTrue(t.name.startswith('f'), t.name)
for c in t.name[1:]:
todo.remove(c)
if c == 'v':
arg = t.args.vararg
elif c == 'k':
arg = t.args.kwarg
else:
assert 0 <= ord(c) - ord('a') < len(t.args.args)
arg = t.args.args[ord(c) - ord('a')]
self.assertEqual(arg.arg, c) # That's the argument name
self.assertEqual(arg.type_comment, arg.arg.upper())
assert not todo
tree = self.classic_parse(longargs)
for t in tree.body:
for arg in t.args.args + [t.args.vararg, t.args.kwarg]:
if arg is not None:
self.assertIsNone(arg.type_comment, "%s(%s:%r)" %
(t.name, arg.arg, arg.type_comment))
def test_inappropriate_type_comments(self):
"""Tests for inappropriately-placed type comments.
These should be silently ignored with type comments off,
but raise SyntaxError with type comments on.
This is not meant to be exhaustive.
"""
def check_both_ways(source):
ast.parse(source, type_comments=False)
with self.assertRaises(SyntaxError):
ast.parse(source, type_comments=True)
check_both_ways("pass # type: int\n")
check_both_ways("foo() # type: int\n")
check_both_ways("x += 1 # type: int\n")
check_both_ways("while True: # type: int\n continue\n")
check_both_ways("while True:\n continue # type: int\n")
check_both_ways("try: # type: int\n pass\nfinally:\n pass\n")
check_both_ways("try:\n pass\nfinally: # type: int\n pass\n")
def test_func_type_input(self):
def parse_func_type_input(source):
return ast.parse(source, "<unknown>", "func_type")
# Some checks below will crash if the returned structure is wrong
tree = parse_func_type_input("() -> int")
self.assertEqual(tree.argtypes, [])
self.assertEqual(tree.returns.id, "int")
tree = parse_func_type_input("(int) -> List[str]")
self.assertEqual(len(tree.argtypes), 1)
arg = tree.argtypes[0]
self.assertEqual(arg.id, "int")
self.assertEqual(tree.returns.value.id, "List")
self.assertEqual(tree.returns.slice.value.id, "str")
tree = parse_func_type_input("(int, *str, **Any) -> float")
self.assertEqual(tree.argtypes[0].id, "int")
self.assertEqual(tree.argtypes[1].id, "str")
self.assertEqual(tree.argtypes[2].id, "Any")
self.assertEqual(tree.returns.id, "float")
with self.assertRaises(SyntaxError):
tree = parse_func_type_input("(int, *str, *Any) -> float")
with self.assertRaises(SyntaxError):
tree = parse_func_type_input("(int, **str, Any) -> float")
with self.assertRaises(SyntaxError):
tree = parse_func_type_input("(**int, **str) -> float")
if __name__ == '__main__':
unittest.main()

12
Lib/token.py generated
View File

@ -58,12 +58,14 @@ RARROW = 51
ELLIPSIS = 52
COLONEQUAL = 53
OP = 54
TYPE_IGNORE = 55
TYPE_COMMENT = 56
# These aren't used by the C tokenizer but are needed for tokenize.py
ERRORTOKEN = 55
COMMENT = 56
NL = 57
ENCODING = 58
N_TOKENS = 59
ERRORTOKEN = 57
COMMENT = 58
NL = 59
ENCODING = 60
N_TOKENS = 61
# Special definitions for cooperation with parser
NT_OFFSET = 256

View File

@ -0,0 +1 @@
Add the option to parse PEP 484 type comments in the ast module. (Off by default.) This is merging the key functionality of the third party fork thereof, [typed_ast](https://github.com/python/typed_ast).

View File

@ -663,6 +663,12 @@ validate_node(node *tree)
for (pos = 0; pos < nch; ++pos) {
node *ch = CHILD(tree, pos);
int ch_type = TYPE(ch);
if (ch_type == suite && TYPE(tree) == funcdef) {
/* This is the opposite hack of what we do in parser.c
(search for func_body_suite), except we don't ever
support type comments here. */
ch_type = func_body_suite;
}
for (arc = 0; arc < dfa_state->s_narcs; ++arc) {
short a_label = dfa_state->s_arc[arc].a_lbl;
assert(a_label < _PyParser_Grammar.g_ll.ll_nlabels);

View File

@ -3,17 +3,20 @@
module Python
{
mod = Module(stmt* body)
mod = Module(stmt* body, type_ignore *type_ignores)
| Interactive(stmt* body)
| Expression(expr body)
| FunctionType(expr* argtypes, expr returns)
-- not really an actual node but useful in Jython's typesystem.
| Suite(stmt* body)
stmt = FunctionDef(identifier name, arguments args,
stmt* body, expr* decorator_list, expr? returns)
stmt* body, expr* decorator_list, expr? returns,
string? type_comment)
| AsyncFunctionDef(identifier name, arguments args,
stmt* body, expr* decorator_list, expr? returns)
stmt* body, expr* decorator_list, expr? returns,
string? type_comment)
| ClassDef(identifier name,
expr* bases,
@ -23,18 +26,18 @@ module Python
| Return(expr? value)
| Delete(expr* targets)
| Assign(expr* targets, expr value)
| Assign(expr* targets, expr value, string? type_comment)
| AugAssign(expr target, operator op, expr value)
-- 'simple' indicates that we annotate simple name without parens
| AnnAssign(expr target, expr annotation, expr? value, int simple)
-- use 'orelse' because else is a keyword in target languages
| For(expr target, expr iter, stmt* body, stmt* orelse)
| AsyncFor(expr target, expr iter, stmt* body, stmt* orelse)
| For(expr target, expr iter, stmt* body, stmt* orelse, string? type_comment)
| AsyncFor(expr target, expr iter, stmt* body, stmt* orelse, string? type_comment)
| While(expr test, stmt* body, stmt* orelse)
| If(expr test, stmt* body, stmt* orelse)
| With(withitem* items, stmt* body)
| AsyncWith(withitem* items, stmt* body)
| With(withitem* items, stmt* body, string? type_comment)
| AsyncWith(withitem* items, stmt* body, string? type_comment)
| Raise(expr? exc, expr? cause)
| Try(stmt* body, excepthandler* handlers, stmt* orelse, stmt* finalbody)
@ -111,7 +114,7 @@ module Python
arguments = (arg* args, arg? vararg, arg* kwonlyargs, expr* kw_defaults,
arg? kwarg, expr* defaults)
arg = (identifier arg, expr? annotation)
arg = (identifier arg, expr? annotation, string? type_comment)
attributes (int lineno, int col_offset, int? end_lineno, int? end_col_offset)
-- keyword arguments supplied to call (NULL identifier for **kwargs)
@ -121,5 +124,7 @@ module Python
alias = (identifier name, identifier? asname)
withitem = (expr context_expr, expr? optional_vars)
type_ignore = TypeIgnore(int lineno)
}

View File

@ -890,6 +890,15 @@ static int obj2ast_identifier(PyObject* obj, PyObject** out, PyArena* arena)
return obj2ast_object(obj, out, arena);
}
static int obj2ast_string(PyObject* obj, PyObject** out, PyArena* arena)
{
if (!PyUnicode_CheckExact(obj) && !PyBytes_CheckExact(obj)) {
PyErr_SetString(PyExc_TypeError, "AST string must be of type str");
return 1;
}
return obj2ast_object(obj, out, arena);
}
static int obj2ast_int(PyObject* obj, int* out, PyArena* arena)
{
int i;
@ -993,6 +1002,8 @@ class ASTModuleVisitor(PickleVisitor):
self.emit('if (PyDict_SetItemString(d, "AST", (PyObject*)&AST_type) < 0) return NULL;', 1)
self.emit('if (PyModule_AddIntMacro(m, PyCF_ONLY_AST) < 0)', 1)
self.emit("return NULL;", 2)
self.emit('if (PyModule_AddIntMacro(m, PyCF_TYPE_COMMENTS) < 0)', 1)
self.emit("return NULL;", 2)
for dfn in mod.dfns:
self.visit(dfn)
self.emit("return m;", 1)
@ -1176,18 +1187,19 @@ PyObject* PyAST_mod2obj(mod_ty t)
}
/* mode is 0 for "exec", 1 for "eval" and 2 for "single" input */
/* and 3 for "func_type" */
mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
{
mod_ty res;
PyObject *req_type[3];
char *req_name[] = {"Module", "Expression", "Interactive"};
char *req_name[] = {"Module", "Expression", "Interactive", "FunctionType"};
int isinstance;
req_type[0] = (PyObject*)Module_type;
req_type[1] = (PyObject*)Expression_type;
req_type[2] = (PyObject*)Interactive_type;
assert(0 <= mode && mode <= 2);
assert(0 <= mode && mode <= 3);
if (!init_types())
return NULL;

View File

@ -12,6 +12,7 @@
#include "node.h"
#include "parser.h"
#include "errcode.h"
#include "graminit.h"
#ifdef Py_DEBUG
@ -260,7 +261,15 @@ PyParser_AddToken(parser_state *ps, int type, char *str,
/* Push non-terminal */
int nt = (x >> 8) + NT_OFFSET;
int arrow = x & ((1<<7)-1);
dfa *d1 = PyGrammar_FindDFA(
dfa *d1;
if (nt == func_body_suite && !(ps->p_flags & PyCF_TYPE_COMMENTS)) {
/* When parsing type comments is not requested,
we can provide better errors about bad indentation
by using 'suite' for the body of a funcdef */
D(printf(" [switch func_body_suite to suite]"));
nt = suite;
}
d1 = PyGrammar_FindDFA(
ps->p_grammar, nt);
if ((err = push(&ps->p_stack, nt, d1,
arrow, lineno, col_offset,
@ -268,7 +277,7 @@ PyParser_AddToken(parser_state *ps, int type, char *str,
D(printf(" MemError: push\n"));
return err;
}
D(printf(" Push ...\n"));
D(printf(" Push '%s'\n", d1->d_name));
continue;
}

View File

@ -15,6 +15,42 @@
static node *parsetok(struct tok_state *, grammar *, int, perrdetail *, int *);
static int initerr(perrdetail *err_ret, PyObject * filename);
typedef struct {
int *items;
size_t size;
size_t num_items;
} growable_int_array;
static int
growable_int_array_init(growable_int_array *arr, size_t initial_size) {
assert(initial_size > 0);
arr->items = malloc(initial_size * sizeof(*arr->items));
arr->size = initial_size;
arr->num_items = 0;
return arr->items != NULL;
}
static int
growable_int_array_add(growable_int_array *arr, int item) {
if (arr->num_items >= arr->size) {
arr->size *= 2;
arr->items = realloc(arr->items, arr->size * sizeof(*arr->items));
if (!arr->items) {
return 0;
}
}
arr->items[arr->num_items] = item;
arr->num_items++;
return 1;
}
static void
growable_int_array_deallocate(growable_int_array *arr) {
free(arr->items);
}
/* Parse input coming from a string. Return error code, print some errors. */
node *
PyParser_ParseString(const char *s, grammar *g, int start, perrdetail *err_ret)
@ -59,6 +95,9 @@ PyParser_ParseStringObject(const char *s, PyObject *filename,
err_ret->error = PyErr_Occurred() ? E_DECODE : E_NOMEM;
return NULL;
}
if (*flags & PyPARSE_TYPE_COMMENTS) {
tok->type_comments = 1;
}
#ifndef PGEN
Py_INCREF(err_ret->filename);
@ -127,6 +166,9 @@ PyParser_ParseFileObject(FILE *fp, PyObject *filename,
err_ret->error = E_NOMEM;
return NULL;
}
if (*flags & PyPARSE_TYPE_COMMENTS) {
tok->type_comments = 1;
}
#ifndef PGEN
Py_INCREF(err_ret->filename);
tok->filename = err_ret->filename;
@ -188,6 +230,13 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
node *n;
int started = 0;
int col_offset, end_col_offset;
growable_int_array type_ignores;
if (!growable_int_array_init(&type_ignores, 10)) {
err_ret->error = E_NOMEM;
PyTokenizer_Free(tok);
return NULL;
}
if ((ps = PyParser_New(g, start)) == NULL) {
err_ret->error = E_NOMEM;
@ -197,6 +246,8 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
#ifdef PY_PARSER_REQUIRES_FUTURE_KEYWORD
if (*flags & PyPARSE_BARRY_AS_BDFL)
ps->p_flags |= CO_FUTURE_BARRY_AS_BDFL;
if (*flags & PyPARSE_TYPE_COMMENTS)
ps->p_flags |= PyCF_TYPE_COMMENTS;
#endif
for (;;) {
@ -277,6 +328,15 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
else {
end_col_offset = -1;
}
if (type == TYPE_IGNORE) {
if (!growable_int_array_add(&type_ignores, tok->lineno)) {
err_ret->error = E_NOMEM;
break;
}
continue;
}
if ((err_ret->error =
PyParser_AddToken(ps, (int)type, str,
lineno, col_offset, tok->lineno, end_col_offset,
@ -293,6 +353,24 @@ parsetok(struct tok_state *tok, grammar *g, int start, perrdetail *err_ret,
n = ps->p_tree;
ps->p_tree = NULL;
if (n->n_type == file_input) {
/* Put type_ignore nodes in the ENDMARKER of file_input. */
int num;
node *ch;
size_t i;
num = NCH(n);
ch = CHILD(n, num - 1);
REQ(ch, ENDMARKER);
for (i = 0; i < type_ignores.num_items; i++) {
PyNode_AddChild(ch, TYPE_IGNORE, NULL,
type_ignores.items[i], 0,
type_ignores.items[i], 0);
}
}
growable_int_array_deallocate(&type_ignores);
#ifndef PGEN
/* Check that the source for a single input statement really
is a single statement by looking at what is left in the

2
Parser/token.c generated
View File

@ -61,6 +61,8 @@ const char * const _PyParser_TokenNames[] = {
"ELLIPSIS",
"COLONEQUAL",
"OP",
"TYPE_IGNORE",
"TYPE_COMMENT",
"<ERRORTOKEN>",
"<COMMENT>",
"<NL>",

View File

@ -48,6 +48,10 @@ static int tok_nextc(struct tok_state *tok);
static void tok_backup(struct tok_state *tok, int c);
/* Spaces in this constant are treated as "zero or more spaces or tabs" when
tokenizing. */
static const char* type_comment_prefix = "# type: ";
/* Create and initialize a new tok_state structure */
static struct tok_state *
@ -82,6 +86,7 @@ tok_new(void)
tok->decoding_readline = NULL;
tok->decoding_buffer = NULL;
#endif
tok->type_comments = 0;
return tok;
}
@ -1245,11 +1250,61 @@ tok_get(struct tok_state *tok, char **p_start, char **p_end)
/* Set start of current token */
tok->start = tok->cur - 1;
/* Skip comment */
/* Skip comment, unless it's a type comment */
if (c == '#') {
const char *prefix, *p, *type_start;
while (c != EOF && c != '\n') {
c = tok_nextc(tok);
}
if (tok->type_comments) {
p = tok->start;
prefix = type_comment_prefix;
while (*prefix && p < tok->cur) {
if (*prefix == ' ') {
while (*p == ' ' || *p == '\t') {
p++;
}
} else if (*prefix == *p) {
p++;
} else {
break;
}
prefix++;
}
/* This is a type comment if we matched all of type_comment_prefix. */
if (!*prefix) {
int is_type_ignore = 1;
tok_backup(tok, c); /* don't eat the newline or EOF */
type_start = p;
is_type_ignore = tok->cur >= p + 6 && memcmp(p, "ignore", 6) == 0;
p += 6;
while (is_type_ignore && p < tok->cur) {
if (*p == '#')
break;
is_type_ignore = is_type_ignore && (*p == ' ' || *p == '\t');
p++;
}
if (is_type_ignore) {
/* If this type ignore is the only thing on the line, consume the newline also. */
if (blankline) {
tok_nextc(tok);
tok->atbol = 1;
}
return TYPE_IGNORE;
} else {
*p_start = (char *) type_start; /* after type_comment_prefix */
*p_end = tok->cur;
return TYPE_COMMENT;
}
}
}
}
/* Check for EOF and errors now */

View File

@ -70,6 +70,8 @@ struct tok_state {
const char* enc; /* Encoding for the current str. */
const char* str;
const char* input; /* Tokenizer's newline translated copy of the string. */
int type_comments; /* Whether to look for type comments */
};
extern struct tok_state *PyTokenizer_FromString(const char *, int);

512
Python/Python-ast.c generated
View File

@ -10,8 +10,10 @@ static PyTypeObject *mod_type;
static PyObject* ast2obj_mod(void*);
static PyTypeObject *Module_type;
_Py_IDENTIFIER(body);
_Py_IDENTIFIER(type_ignores);
static char *Module_fields[]={
"body",
"type_ignores",
};
static PyTypeObject *Interactive_type;
static char *Interactive_fields[]={
@ -21,6 +23,13 @@ static PyTypeObject *Expression_type;
static char *Expression_fields[]={
"body",
};
static PyTypeObject *FunctionType_type;
_Py_IDENTIFIER(argtypes);
_Py_IDENTIFIER(returns);
static char *FunctionType_fields[]={
"argtypes",
"returns",
};
static PyTypeObject *Suite_type;
static char *Suite_fields[]={
"body",
@ -41,13 +50,14 @@ static PyTypeObject *FunctionDef_type;
_Py_IDENTIFIER(name);
_Py_IDENTIFIER(args);
_Py_IDENTIFIER(decorator_list);
_Py_IDENTIFIER(returns);
_Py_IDENTIFIER(type_comment);
static char *FunctionDef_fields[]={
"name",
"args",
"body",
"decorator_list",
"returns",
"type_comment",
};
static PyTypeObject *AsyncFunctionDef_type;
static char *AsyncFunctionDef_fields[]={
@ -56,6 +66,7 @@ static char *AsyncFunctionDef_fields[]={
"body",
"decorator_list",
"returns",
"type_comment",
};
static PyTypeObject *ClassDef_type;
_Py_IDENTIFIER(bases);
@ -81,6 +92,7 @@ static PyTypeObject *Assign_type;
static char *Assign_fields[]={
"targets",
"value",
"type_comment",
};
static PyTypeObject *AugAssign_type;
_Py_IDENTIFIER(target);
@ -107,6 +119,7 @@ static char *For_fields[]={
"iter",
"body",
"orelse",
"type_comment",
};
static PyTypeObject *AsyncFor_type;
static char *AsyncFor_fields[]={
@ -114,6 +127,7 @@ static char *AsyncFor_fields[]={
"iter",
"body",
"orelse",
"type_comment",
};
static PyTypeObject *While_type;
_Py_IDENTIFIER(test);
@ -133,11 +147,13 @@ _Py_IDENTIFIER(items);
static char *With_fields[]={
"items",
"body",
"type_comment",
};
static PyTypeObject *AsyncWith_type;
static char *AsyncWith_fields[]={
"items",
"body",
"type_comment",
};
static PyTypeObject *Raise_type;
_Py_IDENTIFIER(exc);
@ -478,6 +494,7 @@ _Py_IDENTIFIER(arg);
static char *arg_fields[]={
"arg",
"annotation",
"type_comment",
};
static PyTypeObject *keyword_type;
static PyObject* ast2obj_keyword(void*);
@ -500,6 +517,12 @@ static char *withitem_fields[]={
"context_expr",
"optional_vars",
};
static PyTypeObject *type_ignore_type;
static PyObject* ast2obj_type_ignore(void*);
static PyTypeObject *TypeIgnore_type;
static char *TypeIgnore_fields[]={
"lineno",
};
_Py_IDENTIFIER(_fields);
@ -769,6 +792,15 @@ static int obj2ast_identifier(PyObject* obj, PyObject** out, PyArena* arena)
return obj2ast_object(obj, out, arena);
}
static int obj2ast_string(PyObject* obj, PyObject** out, PyArena* arena)
{
if (!PyUnicode_CheckExact(obj) && !PyBytes_CheckExact(obj)) {
PyErr_SetString(PyExc_TypeError, "AST string must be of type str");
return 1;
}
return obj2ast_object(obj, out, arena);
}
static int obj2ast_int(PyObject* obj, int* out, PyArena* arena)
{
int i;
@ -810,23 +842,26 @@ static int init_types(void)
mod_type = make_type("mod", &AST_type, NULL, 0);
if (!mod_type) return 0;
if (!add_attributes(mod_type, NULL, 0)) return 0;
Module_type = make_type("Module", mod_type, Module_fields, 1);
Module_type = make_type("Module", mod_type, Module_fields, 2);
if (!Module_type) return 0;
Interactive_type = make_type("Interactive", mod_type, Interactive_fields,
1);
if (!Interactive_type) return 0;
Expression_type = make_type("Expression", mod_type, Expression_fields, 1);
if (!Expression_type) return 0;
FunctionType_type = make_type("FunctionType", mod_type,
FunctionType_fields, 2);
if (!FunctionType_type) return 0;
Suite_type = make_type("Suite", mod_type, Suite_fields, 1);
if (!Suite_type) return 0;
stmt_type = make_type("stmt", &AST_type, NULL, 0);
if (!stmt_type) return 0;
if (!add_attributes(stmt_type, stmt_attributes, 4)) return 0;
FunctionDef_type = make_type("FunctionDef", stmt_type, FunctionDef_fields,
5);
6);
if (!FunctionDef_type) return 0;
AsyncFunctionDef_type = make_type("AsyncFunctionDef", stmt_type,
AsyncFunctionDef_fields, 5);
AsyncFunctionDef_fields, 6);
if (!AsyncFunctionDef_type) return 0;
ClassDef_type = make_type("ClassDef", stmt_type, ClassDef_fields, 5);
if (!ClassDef_type) return 0;
@ -834,23 +869,23 @@ static int init_types(void)
if (!Return_type) return 0;
Delete_type = make_type("Delete", stmt_type, Delete_fields, 1);
if (!Delete_type) return 0;
Assign_type = make_type("Assign", stmt_type, Assign_fields, 2);
Assign_type = make_type("Assign", stmt_type, Assign_fields, 3);
if (!Assign_type) return 0;
AugAssign_type = make_type("AugAssign", stmt_type, AugAssign_fields, 3);
if (!AugAssign_type) return 0;
AnnAssign_type = make_type("AnnAssign", stmt_type, AnnAssign_fields, 4);
if (!AnnAssign_type) return 0;
For_type = make_type("For", stmt_type, For_fields, 4);
For_type = make_type("For", stmt_type, For_fields, 5);
if (!For_type) return 0;
AsyncFor_type = make_type("AsyncFor", stmt_type, AsyncFor_fields, 4);
AsyncFor_type = make_type("AsyncFor", stmt_type, AsyncFor_fields, 5);
if (!AsyncFor_type) return 0;
While_type = make_type("While", stmt_type, While_fields, 3);
if (!While_type) return 0;
If_type = make_type("If", stmt_type, If_fields, 3);
if (!If_type) return 0;
With_type = make_type("With", stmt_type, With_fields, 2);
With_type = make_type("With", stmt_type, With_fields, 3);
if (!With_type) return 0;
AsyncWith_type = make_type("AsyncWith", stmt_type, AsyncWith_fields, 2);
AsyncWith_type = make_type("AsyncWith", stmt_type, AsyncWith_fields, 3);
if (!AsyncWith_type) return 0;
Raise_type = make_type("Raise", stmt_type, Raise_fields, 2);
if (!Raise_type) return 0;
@ -1113,7 +1148,7 @@ static int init_types(void)
arguments_type = make_type("arguments", &AST_type, arguments_fields, 6);
if (!arguments_type) return 0;
if (!add_attributes(arguments_type, NULL, 0)) return 0;
arg_type = make_type("arg", &AST_type, arg_fields, 2);
arg_type = make_type("arg", &AST_type, arg_fields, 3);
if (!arg_type) return 0;
if (!add_attributes(arg_type, arg_attributes, 4)) return 0;
keyword_type = make_type("keyword", &AST_type, keyword_fields, 2);
@ -1125,6 +1160,12 @@ static int init_types(void)
withitem_type = make_type("withitem", &AST_type, withitem_fields, 2);
if (!withitem_type) return 0;
if (!add_attributes(withitem_type, NULL, 0)) return 0;
type_ignore_type = make_type("type_ignore", &AST_type, NULL, 0);
if (!type_ignore_type) return 0;
if (!add_attributes(type_ignore_type, NULL, 0)) return 0;
TypeIgnore_type = make_type("TypeIgnore", type_ignore_type,
TypeIgnore_fields, 1);
if (!TypeIgnore_type) return 0;
initialized = 1;
return 1;
}
@ -1148,9 +1189,11 @@ static int obj2ast_arg(PyObject* obj, arg_ty* out, PyArena* arena);
static int obj2ast_keyword(PyObject* obj, keyword_ty* out, PyArena* arena);
static int obj2ast_alias(PyObject* obj, alias_ty* out, PyArena* arena);
static int obj2ast_withitem(PyObject* obj, withitem_ty* out, PyArena* arena);
static int obj2ast_type_ignore(PyObject* obj, type_ignore_ty* out, PyArena*
arena);
mod_ty
Module(asdl_seq * body, PyArena *arena)
Module(asdl_seq * body, asdl_seq * type_ignores, PyArena *arena)
{
mod_ty p;
p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
@ -1158,6 +1201,7 @@ Module(asdl_seq * body, PyArena *arena)
return NULL;
p->kind = Module_kind;
p->v.Module.body = body;
p->v.Module.type_ignores = type_ignores;
return p;
}
@ -1190,6 +1234,24 @@ Expression(expr_ty body, PyArena *arena)
return p;
}
mod_ty
FunctionType(asdl_seq * argtypes, expr_ty returns, PyArena *arena)
{
mod_ty p;
if (!returns) {
PyErr_SetString(PyExc_ValueError,
"field returns is required for FunctionType");
return NULL;
}
p = (mod_ty)PyArena_Malloc(arena, sizeof(*p));
if (!p)
return NULL;
p->kind = FunctionType_kind;
p->v.FunctionType.argtypes = argtypes;
p->v.FunctionType.returns = returns;
return p;
}
mod_ty
Suite(asdl_seq * body, PyArena *arena)
{
@ -1204,8 +1266,8 @@ Suite(asdl_seq * body, PyArena *arena)
stmt_ty
FunctionDef(identifier name, arguments_ty args, asdl_seq * body, asdl_seq *
decorator_list, expr_ty returns, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena)
decorator_list, expr_ty returns, string type_comment, int lineno,
int col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
stmt_ty p;
if (!name) {
@ -1227,6 +1289,7 @@ FunctionDef(identifier name, arguments_ty args, asdl_seq * body, asdl_seq *
p->v.FunctionDef.body = body;
p->v.FunctionDef.decorator_list = decorator_list;
p->v.FunctionDef.returns = returns;
p->v.FunctionDef.type_comment = type_comment;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
@ -1236,8 +1299,9 @@ FunctionDef(identifier name, arguments_ty args, asdl_seq * body, asdl_seq *
stmt_ty
AsyncFunctionDef(identifier name, arguments_ty args, asdl_seq * body, asdl_seq
* decorator_list, expr_ty returns, int lineno, int col_offset,
int end_lineno, int end_col_offset, PyArena *arena)
* decorator_list, expr_ty returns, string type_comment, int
lineno, int col_offset, int end_lineno, int end_col_offset,
PyArena *arena)
{
stmt_ty p;
if (!name) {
@ -1259,6 +1323,7 @@ AsyncFunctionDef(identifier name, arguments_ty args, asdl_seq * body, asdl_seq
p->v.AsyncFunctionDef.body = body;
p->v.AsyncFunctionDef.decorator_list = decorator_list;
p->v.AsyncFunctionDef.returns = returns;
p->v.AsyncFunctionDef.type_comment = type_comment;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
@ -1328,8 +1393,8 @@ Delete(asdl_seq * targets, int lineno, int col_offset, int end_lineno, int
}
stmt_ty
Assign(asdl_seq * targets, expr_ty value, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena)
Assign(asdl_seq * targets, expr_ty value, string type_comment, int lineno, int
col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
stmt_ty p;
if (!value) {
@ -1343,6 +1408,7 @@ Assign(asdl_seq * targets, expr_ty value, int lineno, int col_offset, int
p->kind = Assign_kind;
p->v.Assign.targets = targets;
p->v.Assign.value = value;
p->v.Assign.type_comment = type_comment;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
@ -1416,8 +1482,9 @@ AnnAssign(expr_ty target, expr_ty annotation, expr_ty value, int simple, int
}
stmt_ty
For(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse, int
lineno, int col_offset, int end_lineno, int end_col_offset, PyArena *arena)
For(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse, string
type_comment, int lineno, int col_offset, int end_lineno, int
end_col_offset, PyArena *arena)
{
stmt_ty p;
if (!target) {
@ -1438,6 +1505,7 @@ For(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse, int
p->v.For.iter = iter;
p->v.For.body = body;
p->v.For.orelse = orelse;
p->v.For.type_comment = type_comment;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
@ -1446,9 +1514,9 @@ For(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse, int
}
stmt_ty
AsyncFor(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse, int
lineno, int col_offset, int end_lineno, int end_col_offset, PyArena
*arena)
AsyncFor(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse,
string type_comment, int lineno, int col_offset, int end_lineno, int
end_col_offset, PyArena *arena)
{
stmt_ty p;
if (!target) {
@ -1469,6 +1537,7 @@ AsyncFor(expr_ty target, expr_ty iter, asdl_seq * body, asdl_seq * orelse, int
p->v.AsyncFor.iter = iter;
p->v.AsyncFor.body = body;
p->v.AsyncFor.orelse = orelse;
p->v.AsyncFor.type_comment = type_comment;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
@ -1525,8 +1594,8 @@ If(expr_ty test, asdl_seq * body, asdl_seq * orelse, int lineno, int
}
stmt_ty
With(asdl_seq * items, asdl_seq * body, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena)
With(asdl_seq * items, asdl_seq * body, string type_comment, int lineno, int
col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
stmt_ty p;
p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
@ -1535,6 +1604,7 @@ With(asdl_seq * items, asdl_seq * body, int lineno, int col_offset, int
p->kind = With_kind;
p->v.With.items = items;
p->v.With.body = body;
p->v.With.type_comment = type_comment;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
@ -1543,8 +1613,8 @@ With(asdl_seq * items, asdl_seq * body, int lineno, int col_offset, int
}
stmt_ty
AsyncWith(asdl_seq * items, asdl_seq * body, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena)
AsyncWith(asdl_seq * items, asdl_seq * body, string type_comment, int lineno,
int col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
stmt_ty p;
p = (stmt_ty)PyArena_Malloc(arena, sizeof(*p));
@ -1553,6 +1623,7 @@ AsyncWith(asdl_seq * items, asdl_seq * body, int lineno, int col_offset, int
p->kind = AsyncWith_kind;
p->v.AsyncWith.items = items;
p->v.AsyncWith.body = body;
p->v.AsyncWith.type_comment = type_comment;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
@ -2518,8 +2589,8 @@ arguments(asdl_seq * args, arg_ty vararg, asdl_seq * kwonlyargs, asdl_seq *
}
arg_ty
arg(identifier arg, expr_ty annotation, int lineno, int col_offset, int
end_lineno, int end_col_offset, PyArena *arena)
arg(identifier arg, expr_ty annotation, string type_comment, int lineno, int
col_offset, int end_lineno, int end_col_offset, PyArena *arena)
{
arg_ty p;
if (!arg) {
@ -2532,6 +2603,7 @@ arg(identifier arg, expr_ty annotation, int lineno, int col_offset, int
return NULL;
p->arg = arg;
p->annotation = annotation;
p->type_comment = type_comment;
p->lineno = lineno;
p->col_offset = col_offset;
p->end_lineno = end_lineno;
@ -2590,6 +2662,18 @@ withitem(expr_ty context_expr, expr_ty optional_vars, PyArena *arena)
return p;
}
type_ignore_ty
TypeIgnore(int lineno, PyArena *arena)
{
type_ignore_ty p;
p = (type_ignore_ty)PyArena_Malloc(arena, sizeof(*p));
if (!p)
return NULL;
p->kind = TypeIgnore_kind;
p->v.TypeIgnore.lineno = lineno;
return p;
}
PyObject*
ast2obj_mod(void* _o)
@ -2609,6 +2693,11 @@ ast2obj_mod(void* _o)
if (_PyObject_SetAttrId(result, &PyId_body, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_list(o->v.Module.type_ignores, ast2obj_type_ignore);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_ignores, value) == -1)
goto failed;
Py_DECREF(value);
break;
case Interactive_kind:
result = PyType_GenericNew(Interactive_type, NULL, NULL);
@ -2628,6 +2717,20 @@ ast2obj_mod(void* _o)
goto failed;
Py_DECREF(value);
break;
case FunctionType_kind:
result = PyType_GenericNew(FunctionType_type, NULL, NULL);
if (!result) goto failed;
value = ast2obj_list(o->v.FunctionType.argtypes, ast2obj_expr);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_argtypes, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_expr(o->v.FunctionType.returns);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_returns, value) == -1)
goto failed;
Py_DECREF(value);
break;
case Suite_kind:
result = PyType_GenericNew(Suite_type, NULL, NULL);
if (!result) goto failed;
@ -2683,6 +2786,11 @@ ast2obj_stmt(void* _o)
if (_PyObject_SetAttrId(result, &PyId_returns, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_string(o->v.FunctionDef.type_comment);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_comment, value) == -1)
goto failed;
Py_DECREF(value);
break;
case AsyncFunctionDef_kind:
result = PyType_GenericNew(AsyncFunctionDef_type, NULL, NULL);
@ -2713,6 +2821,11 @@ ast2obj_stmt(void* _o)
if (_PyObject_SetAttrId(result, &PyId_returns, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_string(o->v.AsyncFunctionDef.type_comment);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_comment, value) == -1)
goto failed;
Py_DECREF(value);
break;
case ClassDef_kind:
result = PyType_GenericNew(ClassDef_type, NULL, NULL);
@ -2774,6 +2887,11 @@ ast2obj_stmt(void* _o)
if (_PyObject_SetAttrId(result, &PyId_value, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_string(o->v.Assign.type_comment);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_comment, value) == -1)
goto failed;
Py_DECREF(value);
break;
case AugAssign_kind:
result = PyType_GenericNew(AugAssign_type, NULL, NULL);
@ -2841,6 +2959,11 @@ ast2obj_stmt(void* _o)
if (_PyObject_SetAttrId(result, &PyId_orelse, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_string(o->v.For.type_comment);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_comment, value) == -1)
goto failed;
Py_DECREF(value);
break;
case AsyncFor_kind:
result = PyType_GenericNew(AsyncFor_type, NULL, NULL);
@ -2865,6 +2988,11 @@ ast2obj_stmt(void* _o)
if (_PyObject_SetAttrId(result, &PyId_orelse, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_string(o->v.AsyncFor.type_comment);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_comment, value) == -1)
goto failed;
Py_DECREF(value);
break;
case While_kind:
result = PyType_GenericNew(While_type, NULL, NULL);
@ -2917,6 +3045,11 @@ ast2obj_stmt(void* _o)
if (_PyObject_SetAttrId(result, &PyId_body, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_string(o->v.With.type_comment);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_comment, value) == -1)
goto failed;
Py_DECREF(value);
break;
case AsyncWith_kind:
result = PyType_GenericNew(AsyncWith_type, NULL, NULL);
@ -2931,6 +3064,11 @@ ast2obj_stmt(void* _o)
if (_PyObject_SetAttrId(result, &PyId_body, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_string(o->v.AsyncWith.type_comment);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_comment, value) == -1)
goto failed;
Py_DECREF(value);
break;
case Raise_kind:
result = PyType_GenericNew(Raise_type, NULL, NULL);
@ -3870,6 +4008,11 @@ ast2obj_arg(void* _o)
if (_PyObject_SetAttrId(result, &PyId_annotation, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_string(o->type_comment);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_type_comment, value) == -1)
goto failed;
Py_DECREF(value);
value = ast2obj_int(o->lineno);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_lineno, value) < 0)
@ -3981,6 +4124,33 @@ failed:
return NULL;
}
PyObject*
ast2obj_type_ignore(void* _o)
{
type_ignore_ty o = (type_ignore_ty)_o;
PyObject *result = NULL, *value = NULL;
if (!o) {
Py_RETURN_NONE;
}
switch (o->kind) {
case TypeIgnore_kind:
result = PyType_GenericNew(TypeIgnore_type, NULL, NULL);
if (!result) goto failed;
value = ast2obj_int(o->v.TypeIgnore.lineno);
if (!value) goto failed;
if (_PyObject_SetAttrId(result, &PyId_lineno, value) == -1)
goto failed;
Py_DECREF(value);
break;
}
return result;
failed:
Py_XDECREF(value);
Py_XDECREF(result);
return NULL;
}
int
obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
@ -3999,6 +4169,7 @@ obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
}
if (isinstance) {
asdl_seq* body;
asdl_seq* type_ignores;
if (_PyObject_LookupAttrId(obj, &PyId_body, &tmp) < 0) {
return 1;
@ -4030,7 +4201,37 @@ obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
}
Py_CLEAR(tmp);
}
*out = Module(body, arena);
if (_PyObject_LookupAttrId(obj, &PyId_type_ignores, &tmp) < 0) {
return 1;
}
if (tmp == NULL) {
PyErr_SetString(PyExc_TypeError, "required field \"type_ignores\" missing from Module");
return 1;
}
else {
int res;
Py_ssize_t len;
Py_ssize_t i;
if (!PyList_Check(tmp)) {
PyErr_Format(PyExc_TypeError, "Module field \"type_ignores\" must be a list, not a %.200s", tmp->ob_type->tp_name);
goto failed;
}
len = PyList_GET_SIZE(tmp);
type_ignores = _Py_asdl_seq_new(len, arena);
if (type_ignores == NULL) goto failed;
for (i = 0; i < len; i++) {
type_ignore_ty val;
res = obj2ast_type_ignore(PyList_GET_ITEM(tmp, i), &val, arena);
if (res != 0) goto failed;
if (len != PyList_GET_SIZE(tmp)) {
PyErr_SetString(PyExc_RuntimeError, "Module field \"type_ignores\" changed size during iteration");
goto failed;
}
asdl_seq_SET(type_ignores, i, val);
}
Py_CLEAR(tmp);
}
*out = Module(body, type_ignores, arena);
if (*out == NULL) goto failed;
return 0;
}
@ -4099,6 +4300,61 @@ obj2ast_mod(PyObject* obj, mod_ty* out, PyArena* arena)
if (*out == NULL) goto failed;
return 0;
}
isinstance = PyObject_IsInstance(obj, (PyObject*)FunctionType_type);
if (isinstance == -1) {
return 1;
}
if (isinstance) {
asdl_seq* argtypes;
expr_ty returns;
if (_PyObject_LookupAttrId(obj, &PyId_argtypes, &tmp) < 0) {
return 1;
}
if (tmp == NULL) {
PyErr_SetString(PyExc_TypeError, "required field \"argtypes\" missing from FunctionType");
return 1;
}
else {
int res;
Py_ssize_t len;
Py_ssize_t i;
if (!PyList_Check(tmp)) {
PyErr_Format(PyExc_TypeError, "FunctionType field \"argtypes\" must be a list, not a %.200s", tmp->ob_type->tp_name);
goto failed;
}
len = PyList_GET_SIZE(tmp);
argtypes = _Py_asdl_seq_new(len, arena);
if (argtypes == NULL) goto failed;
for (i = 0; i < len; i++) {
expr_ty val;
res = obj2ast_expr(PyList_GET_ITEM(tmp, i), &val, arena);
if (res != 0) goto failed;
if (len != PyList_GET_SIZE(tmp)) {
PyErr_SetString(PyExc_RuntimeError, "FunctionType field \"argtypes\" changed size during iteration");
goto failed;
}
asdl_seq_SET(argtypes, i, val);
}
Py_CLEAR(tmp);
}
if (_PyObject_LookupAttrId(obj, &PyId_returns, &tmp) < 0) {
return 1;
}
if (tmp == NULL) {
PyErr_SetString(PyExc_TypeError, "required field \"returns\" missing from FunctionType");
return 1;
}
else {
int res;
res = obj2ast_expr(tmp, &returns, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = FunctionType(argtypes, returns, arena);
if (*out == NULL) goto failed;
return 0;
}
isinstance = PyObject_IsInstance(obj, (PyObject*)Suite_type);
if (isinstance == -1) {
return 1;
@ -4224,6 +4480,7 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
asdl_seq* body;
asdl_seq* decorator_list;
expr_ty returns;
string type_comment;
if (_PyObject_LookupAttrId(obj, &PyId_name, &tmp) < 0) {
return 1;
@ -4324,8 +4581,22 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = FunctionDef(name, args, body, decorator_list, returns, lineno,
col_offset, end_lineno, end_col_offset, arena);
if (_PyObject_LookupAttrId(obj, &PyId_type_comment, &tmp) < 0) {
return 1;
}
if (tmp == NULL || tmp == Py_None) {
Py_CLEAR(tmp);
type_comment = NULL;
}
else {
int res;
res = obj2ast_string(tmp, &type_comment, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = FunctionDef(name, args, body, decorator_list, returns,
type_comment, lineno, col_offset, end_lineno,
end_col_offset, arena);
if (*out == NULL) goto failed;
return 0;
}
@ -4339,6 +4610,7 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
asdl_seq* body;
asdl_seq* decorator_list;
expr_ty returns;
string type_comment;
if (_PyObject_LookupAttrId(obj, &PyId_name, &tmp) < 0) {
return 1;
@ -4439,9 +4711,22 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
if (_PyObject_LookupAttrId(obj, &PyId_type_comment, &tmp) < 0) {
return 1;
}
if (tmp == NULL || tmp == Py_None) {
Py_CLEAR(tmp);
type_comment = NULL;
}
else {
int res;
res = obj2ast_string(tmp, &type_comment, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = AsyncFunctionDef(name, args, body, decorator_list, returns,
lineno, col_offset, end_lineno, end_col_offset,
arena);
type_comment, lineno, col_offset, end_lineno,
end_col_offset, arena);
if (*out == NULL) goto failed;
return 0;
}
@ -4668,6 +4953,7 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
if (isinstance) {
asdl_seq* targets;
expr_ty value;
string type_comment;
if (_PyObject_LookupAttrId(obj, &PyId_targets, &tmp) < 0) {
return 1;
@ -4712,8 +4998,21 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = Assign(targets, value, lineno, col_offset, end_lineno,
end_col_offset, arena);
if (_PyObject_LookupAttrId(obj, &PyId_type_comment, &tmp) < 0) {
return 1;
}
if (tmp == NULL || tmp == Py_None) {
Py_CLEAR(tmp);
type_comment = NULL;
}
else {
int res;
res = obj2ast_string(tmp, &type_comment, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = Assign(targets, value, type_comment, lineno, col_offset,
end_lineno, end_col_offset, arena);
if (*out == NULL) goto failed;
return 0;
}
@ -4846,6 +5145,7 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
expr_ty iter;
asdl_seq* body;
asdl_seq* orelse;
string type_comment;
if (_PyObject_LookupAttrId(obj, &PyId_target, &tmp) < 0) {
return 1;
@ -4933,8 +5233,21 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
}
Py_CLEAR(tmp);
}
*out = For(target, iter, body, orelse, lineno, col_offset, end_lineno,
end_col_offset, arena);
if (_PyObject_LookupAttrId(obj, &PyId_type_comment, &tmp) < 0) {
return 1;
}
if (tmp == NULL || tmp == Py_None) {
Py_CLEAR(tmp);
type_comment = NULL;
}
else {
int res;
res = obj2ast_string(tmp, &type_comment, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = For(target, iter, body, orelse, type_comment, lineno,
col_offset, end_lineno, end_col_offset, arena);
if (*out == NULL) goto failed;
return 0;
}
@ -4947,6 +5260,7 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
expr_ty iter;
asdl_seq* body;
asdl_seq* orelse;
string type_comment;
if (_PyObject_LookupAttrId(obj, &PyId_target, &tmp) < 0) {
return 1;
@ -5034,8 +5348,21 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
}
Py_CLEAR(tmp);
}
*out = AsyncFor(target, iter, body, orelse, lineno, col_offset,
end_lineno, end_col_offset, arena);
if (_PyObject_LookupAttrId(obj, &PyId_type_comment, &tmp) < 0) {
return 1;
}
if (tmp == NULL || tmp == Py_None) {
Py_CLEAR(tmp);
type_comment = NULL;
}
else {
int res;
res = obj2ast_string(tmp, &type_comment, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = AsyncFor(target, iter, body, orelse, type_comment, lineno,
col_offset, end_lineno, end_col_offset, arena);
if (*out == NULL) goto failed;
return 0;
}
@ -5220,6 +5547,7 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
if (isinstance) {
asdl_seq* items;
asdl_seq* body;
string type_comment;
if (_PyObject_LookupAttrId(obj, &PyId_items, &tmp) < 0) {
return 1;
@ -5281,7 +5609,20 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
}
Py_CLEAR(tmp);
}
*out = With(items, body, lineno, col_offset, end_lineno,
if (_PyObject_LookupAttrId(obj, &PyId_type_comment, &tmp) < 0) {
return 1;
}
if (tmp == NULL || tmp == Py_None) {
Py_CLEAR(tmp);
type_comment = NULL;
}
else {
int res;
res = obj2ast_string(tmp, &type_comment, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = With(items, body, type_comment, lineno, col_offset, end_lineno,
end_col_offset, arena);
if (*out == NULL) goto failed;
return 0;
@ -5293,6 +5634,7 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
if (isinstance) {
asdl_seq* items;
asdl_seq* body;
string type_comment;
if (_PyObject_LookupAttrId(obj, &PyId_items, &tmp) < 0) {
return 1;
@ -5354,8 +5696,21 @@ obj2ast_stmt(PyObject* obj, stmt_ty* out, PyArena* arena)
}
Py_CLEAR(tmp);
}
*out = AsyncWith(items, body, lineno, col_offset, end_lineno,
end_col_offset, arena);
if (_PyObject_LookupAttrId(obj, &PyId_type_comment, &tmp) < 0) {
return 1;
}
if (tmp == NULL || tmp == Py_None) {
Py_CLEAR(tmp);
type_comment = NULL;
}
else {
int res;
res = obj2ast_string(tmp, &type_comment, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = AsyncWith(items, body, type_comment, lineno, col_offset,
end_lineno, end_col_offset, arena);
if (*out == NULL) goto failed;
return 0;
}
@ -8073,6 +8428,7 @@ obj2ast_arg(PyObject* obj, arg_ty* out, PyArena* arena)
PyObject* tmp = NULL;
identifier arg;
expr_ty annotation;
string type_comment;
int lineno;
int col_offset;
int end_lineno;
@ -8104,6 +8460,19 @@ obj2ast_arg(PyObject* obj, arg_ty* out, PyArena* arena)
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
if (_PyObject_LookupAttrId(obj, &PyId_type_comment, &tmp) < 0) {
return 1;
}
if (tmp == NULL || tmp == Py_None) {
Py_CLEAR(tmp);
type_comment = NULL;
}
else {
int res;
res = obj2ast_string(tmp, &type_comment, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
if (_PyObject_LookupAttrId(obj, &PyId_lineno, &tmp) < 0) {
return 1;
}
@ -8156,8 +8525,8 @@ obj2ast_arg(PyObject* obj, arg_ty* out, PyArena* arena)
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = arg(arg, annotation, lineno, col_offset, end_lineno, end_col_offset,
arena);
*out = arg(arg, annotation, type_comment, lineno, col_offset, end_lineno,
end_col_offset, arena);
return 0;
failed:
Py_XDECREF(tmp);
@ -8284,6 +8653,48 @@ failed:
return 1;
}
int
obj2ast_type_ignore(PyObject* obj, type_ignore_ty* out, PyArena* arena)
{
int isinstance;
PyObject *tmp = NULL;
if (obj == Py_None) {
*out = NULL;
return 0;
}
isinstance = PyObject_IsInstance(obj, (PyObject*)TypeIgnore_type);
if (isinstance == -1) {
return 1;
}
if (isinstance) {
int lineno;
if (_PyObject_LookupAttrId(obj, &PyId_lineno, &tmp) < 0) {
return 1;
}
if (tmp == NULL) {
PyErr_SetString(PyExc_TypeError, "required field \"lineno\" missing from TypeIgnore");
return 1;
}
else {
int res;
res = obj2ast_int(tmp, &lineno, arena);
if (res != 0) goto failed;
Py_CLEAR(tmp);
}
*out = TypeIgnore(lineno, arena);
if (*out == NULL) goto failed;
return 0;
}
PyErr_Format(PyExc_TypeError, "expected some sort of type_ignore, but got %R", obj);
failed:
Py_XDECREF(tmp);
return 1;
}
static struct PyModuleDef _astmodule = {
PyModuleDef_HEAD_INIT, "_ast"
@ -8299,6 +8710,8 @@ PyInit__ast(void)
if (PyDict_SetItemString(d, "AST", (PyObject*)&AST_type) < 0) return NULL;
if (PyModule_AddIntMacro(m, PyCF_ONLY_AST) < 0)
return NULL;
if (PyModule_AddIntMacro(m, PyCF_TYPE_COMMENTS) < 0)
return NULL;
if (PyDict_SetItemString(d, "mod", (PyObject*)mod_type) < 0) return NULL;
if (PyDict_SetItemString(d, "Module", (PyObject*)Module_type) < 0) return
NULL;
@ -8306,6 +8719,8 @@ PyInit__ast(void)
0) return NULL;
if (PyDict_SetItemString(d, "Expression", (PyObject*)Expression_type) < 0)
return NULL;
if (PyDict_SetItemString(d, "FunctionType", (PyObject*)FunctionType_type) <
0) return NULL;
if (PyDict_SetItemString(d, "Suite", (PyObject*)Suite_type) < 0) return
NULL;
if (PyDict_SetItemString(d, "stmt", (PyObject*)stmt_type) < 0) return NULL;
@ -8486,6 +8901,10 @@ PyInit__ast(void)
NULL;
if (PyDict_SetItemString(d, "withitem", (PyObject*)withitem_type) < 0)
return NULL;
if (PyDict_SetItemString(d, "type_ignore", (PyObject*)type_ignore_type) <
0) return NULL;
if (PyDict_SetItemString(d, "TypeIgnore", (PyObject*)TypeIgnore_type) < 0)
return NULL;
return m;
}
@ -8498,18 +8917,19 @@ PyObject* PyAST_mod2obj(mod_ty t)
}
/* mode is 0 for "exec", 1 for "eval" and 2 for "single" input */
/* and 3 for "func_type" */
mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
{
mod_ty res;
PyObject *req_type[3];
char *req_name[] = {"Module", "Expression", "Interactive"};
char *req_name[] = {"Module", "Expression", "Interactive", "FunctionType"};
int isinstance;
req_type[0] = (PyObject*)Module_type;
req_type[1] = (PyObject*)Expression_type;
req_type[2] = (PyObject*)Interactive_type;
assert(0 <= mode && mode <= 2);
assert(0 <= mode && mode <= 3);
if (!init_types())
return NULL;

View File

@ -698,6 +698,13 @@ ast_error(struct compiling *c, const node *n, const char *errmsg, ...)
small_stmt elements is returned.
*/
static string
new_type_comment(const char *s)
{
return PyUnicode_DecodeUTF8(s, strlen(s), NULL);
}
#define NEW_TYPE_COMMENT(n) new_type_comment(STR(n))
static int
num_stmts(const node *n)
{
@ -725,11 +732,17 @@ num_stmts(const node *n)
case simple_stmt:
return NCH(n) / 2; /* Divide by 2 to remove count of semi-colons */
case suite:
case func_body_suite:
/* func_body_suite: simple_stmt | NEWLINE [TYPE_COMMENT NEWLINE] INDENT stmt+ DEDENT */
/* suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT */
if (NCH(n) == 1)
return num_stmts(CHILD(n, 0));
else {
i = 2;
l = 0;
for (i = 2; i < (NCH(n) - 1); i++)
if (TYPE(CHILD(n, 1)) == TYPE_COMMENT)
i += 2;
for (; i < (NCH(n) - 1); i++)
l += num_stmts(CHILD(n, i));
return l;
}
@ -753,10 +766,13 @@ PyAST_FromNodeObject(const node *n, PyCompilerFlags *flags,
{
int i, j, k, num;
asdl_seq *stmts = NULL;
asdl_seq *type_ignores = NULL;
stmt_ty s;
node *ch;
struct compiling c;
mod_ty res = NULL;
asdl_seq *argtypes = NULL;
expr_ty ret, arg;
c.c_arena = arena;
/* borrowed reference */
@ -795,7 +811,23 @@ PyAST_FromNodeObject(const node *n, PyCompilerFlags *flags,
}
}
}
res = Module(stmts, arena);
/* Type ignores are stored under the ENDMARKER in file_input. */
ch = CHILD(n, NCH(n) - 1);
REQ(ch, ENDMARKER);
num = NCH(ch);
type_ignores = _Py_asdl_seq_new(num, arena);
if (!type_ignores)
goto out;
for (i = 0; i < num; i++) {
type_ignore_ty ti = TypeIgnore(LINENO(CHILD(ch, i)), arena);
if (!ti)
goto out;
asdl_seq_SET(type_ignores, i, ti);
}
res = Module(stmts, type_ignores, arena);
break;
case eval_input: {
expr_ty testlist_ast;
@ -847,6 +879,46 @@ PyAST_FromNodeObject(const node *n, PyCompilerFlags *flags,
res = Interactive(stmts, arena);
}
break;
case func_type_input:
n = CHILD(n, 0);
REQ(n, func_type);
if (TYPE(CHILD(n, 1)) == typelist) {
ch = CHILD(n, 1);
/* this is overly permissive -- we don't pay any attention to
* stars on the args -- just parse them into an ordered list */
num = 0;
for (i = 0; i < NCH(ch); i++) {
if (TYPE(CHILD(ch, i)) == test) {
num++;
}
}
argtypes = _Py_asdl_seq_new(num, arena);
if (!argtypes)
goto out;
j = 0;
for (i = 0; i < NCH(ch); i++) {
if (TYPE(CHILD(ch, i)) == test) {
arg = ast_for_expr(&c, CHILD(ch, i));
if (!arg)
goto out;
asdl_seq_SET(argtypes, j++, arg);
}
}
}
else {
argtypes = _Py_asdl_seq_new(0, arena);
if (!argtypes)
goto out;
}
ret = ast_for_expr(&c, CHILD(n, NCH(n) - 1));
if (!ret)
goto out;
res = FunctionType(argtypes, ret, arena);
break;
default:
PyErr_Format(PyExc_SystemError,
"invalid node %d for PyAST_FromNode", TYPE(n));
@ -1269,7 +1341,7 @@ ast_for_arg(struct compiling *c, const node *n)
return NULL;
}
ret = arg(name, annotation, LINENO(n), n->n_col_offset,
ret = arg(name, annotation, NULL, LINENO(n), n->n_col_offset,
n->n_end_lineno, n->n_end_col_offset, c->c_arena);
if (!ret)
return NULL;
@ -1328,13 +1400,22 @@ handle_keywordonly_args(struct compiling *c, const node *n, int start,
goto error;
if (forbidden_name(c, argname, ch, 0))
goto error;
arg = arg(argname, annotation, LINENO(ch), ch->n_col_offset,
arg = arg(argname, annotation, NULL, LINENO(ch), ch->n_col_offset,
ch->n_end_lineno, ch->n_end_col_offset,
c->c_arena);
if (!arg)
goto error;
asdl_seq_SET(kwonlyargs, j++, arg);
i += 2; /* the name and the comma */
i += 1; /* the name */
if (TYPE(CHILD(n, i)) == COMMA)
i += 1; /* the comma, if present */
break;
case TYPE_COMMENT:
/* arg will be equal to the last argument processed */
arg->type_comment = NEW_TYPE_COMMENT(ch);
if (!arg->type_comment)
goto error;
i += 1;
break;
case DOUBLESTAR:
return i;
@ -1464,19 +1545,29 @@ ast_for_arguments(struct compiling *c, const node *n)
if (!arg)
return NULL;
asdl_seq_SET(posargs, k++, arg);
i += 2; /* the name and the comma */
i += 1; /* the name */
if (i < NCH(n) && TYPE(CHILD(n, i)) == COMMA)
i += 1; /* the comma, if present */
break;
case STAR:
if (i+1 >= NCH(n) ||
(i+2 == NCH(n) && TYPE(CHILD(n, i+1)) == COMMA)) {
(i+2 == NCH(n) && (TYPE(CHILD(n, i+1)) == COMMA
|| TYPE(CHILD(n, i+1)) == TYPE_COMMENT))) {
ast_error(c, CHILD(n, i),
"named arguments must follow bare *");
"named arguments must follow bare *");
return NULL;
}
ch = CHILD(n, i+1); /* tfpdef or COMMA */
if (TYPE(ch) == COMMA) {
int res = 0;
i += 2; /* now follows keyword only arguments */
if (i < NCH(n) && TYPE(CHILD(n, i)) == TYPE_COMMENT) {
ast_error(c, CHILD(n, i),
"bare * has associated type comment");
return NULL;
}
res = handle_keywordonly_args(c, n, i,
kwonlyargs, kwdefaults);
if (res == -1) return NULL;
@ -1487,7 +1578,17 @@ ast_for_arguments(struct compiling *c, const node *n)
if (!vararg)
return NULL;
i += 3;
i += 2; /* the star and the name */
if (i < NCH(n) && TYPE(CHILD(n, i)) == COMMA)
i += 1; /* the comma, if present */
if (i < NCH(n) && TYPE(CHILD(n, i)) == TYPE_COMMENT) {
vararg->type_comment = NEW_TYPE_COMMENT(CHILD(n, i));
if (!vararg->type_comment)
return NULL;
i += 1;
}
if (i < NCH(n) && (TYPE(CHILD(n, i)) == tfpdef
|| TYPE(CHILD(n, i)) == vfpdef)) {
int res = 0;
@ -1504,7 +1605,21 @@ ast_for_arguments(struct compiling *c, const node *n)
kwarg = ast_for_arg(c, ch);
if (!kwarg)
return NULL;
i += 3;
i += 2; /* the double star and the name */
if (TYPE(CHILD(n, i)) == COMMA)
i += 1; /* the comma, if present */
break;
case TYPE_COMMENT:
assert(i);
if (kwarg)
arg = kwarg;
/* arg will be equal to the last argument processed */
arg->type_comment = NEW_TYPE_COMMENT(ch);
if (!arg->type_comment)
return NULL;
i += 1;
break;
default:
PyErr_Format(PyExc_SystemError,
@ -1613,7 +1728,7 @@ static stmt_ty
ast_for_funcdef_impl(struct compiling *c, const node *n0,
asdl_seq *decorator_seq, bool is_async)
{
/* funcdef: 'def' NAME parameters ['->' test] ':' suite */
/* funcdef: 'def' NAME parameters ['->' test] ':' [TYPE_COMMENT] suite */
const node * const n = is_async ? CHILD(n0, 1) : n0;
identifier name;
arguments_ty args;
@ -1621,6 +1736,8 @@ ast_for_funcdef_impl(struct compiling *c, const node *n0,
expr_ty returns = NULL;
int name_i = 1;
int end_lineno, end_col_offset;
node *tc;
string type_comment = NULL;
REQ(n, funcdef);
@ -1638,16 +1755,37 @@ ast_for_funcdef_impl(struct compiling *c, const node *n0,
return NULL;
name_i += 2;
}
if (TYPE(CHILD(n, name_i + 3)) == TYPE_COMMENT) {
type_comment = NEW_TYPE_COMMENT(CHILD(n, name_i + 3));
if (!type_comment)
return NULL;
name_i += 1;
}
body = ast_for_suite(c, CHILD(n, name_i + 3));
if (!body)
return NULL;
get_last_end_pos(body, &end_lineno, &end_col_offset);
if (NCH(CHILD(n, name_i + 3)) > 1) {
/* Check if the suite has a type comment in it. */
tc = CHILD(CHILD(n, name_i + 3), 1);
if (TYPE(tc) == TYPE_COMMENT) {
if (type_comment != NULL) {
ast_error(c, n, "Cannot have two type comments on def");
return NULL;
}
type_comment = NEW_TYPE_COMMENT(tc);
if (!type_comment)
return NULL;
}
}
if (is_async)
return AsyncFunctionDef(name, args, body, decorator_seq, returns,
return AsyncFunctionDef(name, args, body, decorator_seq, returns, type_comment,
LINENO(n0), n0->n_col_offset, end_lineno, end_col_offset, c->c_arena);
else
return FunctionDef(name, args, body, decorator_seq, returns,
return FunctionDef(name, args, body, decorator_seq, returns, type_comment,
LINENO(n), n->n_col_offset, end_lineno, end_col_offset, c->c_arena);
}
@ -2295,7 +2433,7 @@ ast_for_atom(struct compiling *c, const node *n)
/* It's a dictionary comprehension. */
if (is_dict) {
ast_error(c, n, "dict unpacking cannot be used in "
"dict comprehension");
"dict comprehension");
return NULL;
}
res = ast_for_dictcomp(c, ch);
@ -2870,13 +3008,13 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func,
if (nkeywords) {
if (ndoublestars) {
ast_error(c, chch,
"positional argument follows "
"keyword argument unpacking");
"positional argument follows "
"keyword argument unpacking");
}
else {
ast_error(c, chch,
"positional argument follows "
"keyword argument");
"positional argument follows "
"keyword argument");
}
return NULL;
}
@ -2890,8 +3028,8 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func,
expr_ty starred;
if (ndoublestars) {
ast_error(c, chch,
"iterable argument unpacking follows "
"keyword argument unpacking");
"iterable argument unpacking follows "
"keyword argument unpacking");
return NULL;
}
e = ast_for_expr(c, CHILD(ch, 1));
@ -2929,13 +3067,13 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func,
if (nkeywords) {
if (ndoublestars) {
ast_error(c, chch,
"positional argument follows "
"keyword argument unpacking");
"positional argument follows "
"keyword argument unpacking");
}
else {
ast_error(c, chch,
"positional argument follows "
"keyword argument");
"positional argument follows "
"keyword argument");
}
return NULL;
}
@ -2996,7 +3134,7 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func,
tmp = ((keyword_ty)asdl_seq_GET(keywords, k))->arg;
if (tmp && !PyUnicode_Compare(tmp, key)) {
ast_error(c, chch,
"keyword argument repeated");
"keyword argument repeated");
return NULL;
}
}
@ -3045,15 +3183,16 @@ ast_for_expr_stmt(struct compiling *c, const node *n)
{
REQ(n, expr_stmt);
/* expr_stmt: testlist_star_expr (annassign | augassign (yield_expr|testlist) |
('=' (yield_expr|testlist_star_expr))*)
annassign: ':' test ['=' test]
testlist_star_expr: (test|star_expr) (',' test|star_expr)* [',']
augassign: '+=' | '-=' | '*=' | '@=' | '/=' | '%=' | '&=' | '|=' | '^='
| '<<=' | '>>=' | '**=' | '//='
[('=' (yield_expr|testlist_star_expr))+ [TYPE_COMMENT]] )
annassign: ':' test ['=' (yield_expr|testlist)]
testlist_star_expr: (test|star_expr) (',' (test|star_expr))* [',']
augassign: ('+=' | '-=' | '*=' | '@=' | '/=' | '%=' | '&=' | '|=' | '^=' |
'<<=' | '>>=' | '**=' | '//=')
test: ... here starts the operator precedence dance
*/
int num = NCH(n);
if (NCH(n) == 1) {
if (num == 1) {
expr_ty e = ast_for_testlist(c, CHILD(n, 0));
if (!e)
return NULL;
@ -3178,17 +3317,22 @@ ast_for_expr_stmt(struct compiling *c, const node *n)
}
}
else {
int i;
int i, nch_minus_type, has_type_comment;
asdl_seq *targets;
node *value;
expr_ty expression;
string type_comment;
/* a normal assignment */
REQ(CHILD(n, 1), EQUAL);
targets = _Py_asdl_seq_new(NCH(n) / 2, c->c_arena);
has_type_comment = TYPE(CHILD(n, num - 1)) == TYPE_COMMENT;
nch_minus_type = num - has_type_comment;
targets = _Py_asdl_seq_new(nch_minus_type / 2, c->c_arena);
if (!targets)
return NULL;
for (i = 0; i < NCH(n) - 2; i += 2) {
for (i = 0; i < nch_minus_type - 2; i += 2) {
expr_ty e;
node *ch = CHILD(n, i);
if (TYPE(ch) == yield_expr) {
@ -3205,14 +3349,21 @@ ast_for_expr_stmt(struct compiling *c, const node *n)
asdl_seq_SET(targets, i / 2, e);
}
value = CHILD(n, NCH(n) - 1);
value = CHILD(n, nch_minus_type - 1);
if (TYPE(value) == testlist_star_expr)
expression = ast_for_testlist(c, value);
else
expression = ast_for_expr(c, value);
if (!expression)
return NULL;
return Assign(targets, expression, LINENO(n), n->n_col_offset,
if (has_type_comment) {
type_comment = NEW_TYPE_COMMENT(CHILD(n, nch_minus_type));
if (!type_comment)
return NULL;
}
else
type_comment = NULL;
return Assign(targets, expression, type_comment, LINENO(n), n->n_col_offset,
n->n_end_lineno, n->n_end_col_offset, c->c_arena);
}
}
@ -3520,8 +3671,9 @@ ast_for_import_stmt(struct compiling *c, const node *n)
n = CHILD(n, idx);
n_children = NCH(n);
if (n_children % 2 == 0) {
ast_error(c, n, "trailing comma not allowed without"
" surrounding parentheses");
ast_error(c, n,
"trailing comma not allowed without"
" surrounding parentheses");
return NULL;
}
break;
@ -3639,13 +3791,15 @@ ast_for_assert_stmt(struct compiling *c, const node *n)
static asdl_seq *
ast_for_suite(struct compiling *c, const node *n)
{
/* suite: simple_stmt | NEWLINE INDENT stmt+ DEDENT */
/* suite: simple_stmt | NEWLINE [TYPE_COMMENT NEWLINE] INDENT stmt+ DEDENT */
asdl_seq *seq;
stmt_ty s;
int i, total, num, end, pos = 0;
node *ch;
REQ(n, suite);
if (TYPE(n) != func_body_suite) {
REQ(n, suite);
}
total = num_stmts(n);
seq = _Py_asdl_seq_new(total, c->c_arena);
@ -3669,7 +3823,13 @@ ast_for_suite(struct compiling *c, const node *n)
}
}
else {
for (i = 2; i < (NCH(n) - 1); i++) {
i = 2;
if (TYPE(CHILD(n, 1)) == TYPE_COMMENT) {
i += 2;
REQ(CHILD(n, 2), NEWLINE);
}
for (; i < (NCH(n) - 1); i++) {
ch = CHILD(n, i);
REQ(ch, stmt);
num = num_stmts(ch);
@ -3903,11 +4063,15 @@ ast_for_for_stmt(struct compiling *c, const node *n0, bool is_async)
expr_ty target, first;
const node *node_target;
int end_lineno, end_col_offset;
/* for_stmt: 'for' exprlist 'in' testlist ':' suite ['else' ':' suite] */
int has_type_comment;
string type_comment;
/* for_stmt: 'for' exprlist 'in' testlist ':' [TYPE_COMMENT] suite ['else' ':' suite] */
REQ(n, for_stmt);
if (NCH(n) == 9) {
seq = ast_for_suite(c, CHILD(n, 8));
has_type_comment = TYPE(CHILD(n, 5)) == TYPE_COMMENT;
if (NCH(n) == 9 + has_type_comment) {
seq = ast_for_suite(c, CHILD(n, 8 + has_type_comment));
if (!seq)
return NULL;
}
@ -3929,7 +4093,7 @@ ast_for_for_stmt(struct compiling *c, const node *n0, bool is_async)
expression = ast_for_testlist(c, CHILD(n, 3));
if (!expression)
return NULL;
suite_seq = ast_for_suite(c, CHILD(n, 5));
suite_seq = ast_for_suite(c, CHILD(n, 5 + has_type_comment));
if (!suite_seq)
return NULL;
@ -3938,12 +4102,21 @@ ast_for_for_stmt(struct compiling *c, const node *n0, bool is_async)
} else {
get_last_end_pos(suite_seq, &end_lineno, &end_col_offset);
}
if (has_type_comment) {
type_comment = NEW_TYPE_COMMENT(CHILD(n, 5));
if (!type_comment)
return NULL;
}
else
type_comment = NULL;
if (is_async)
return AsyncFor(target, expression, suite_seq, seq,
return AsyncFor(target, expression, suite_seq, seq, type_comment,
LINENO(n0), n0->n_col_offset,
end_lineno, end_col_offset, c->c_arena);
else
return For(target, expression, suite_seq, seq,
return For(target, expression, suite_seq, seq, type_comment,
LINENO(n), n->n_col_offset,
end_lineno, end_col_offset, c->c_arena);
}
@ -4111,21 +4284,25 @@ ast_for_with_item(struct compiling *c, const node *n)
return withitem(context_expr, optional_vars, c->c_arena);
}
/* with_stmt: 'with' with_item (',' with_item)* ':' suite */
/* with_stmt: 'with' with_item (',' with_item)* ':' [TYPE_COMMENT] suite */
static stmt_ty
ast_for_with_stmt(struct compiling *c, const node *n0, bool is_async)
{
const node * const n = is_async ? CHILD(n0, 1) : n0;
int i, n_items, end_lineno, end_col_offset;
int i, n_items, nch_minus_type, has_type_comment, end_lineno, end_col_offset;
asdl_seq *items, *body;
string type_comment;
REQ(n, with_stmt);
n_items = (NCH(n) - 2) / 2;
has_type_comment = TYPE(CHILD(n, NCH(n) - 2)) == TYPE_COMMENT;
nch_minus_type = NCH(n) - has_type_comment;
n_items = (nch_minus_type - 2) / 2;
items = _Py_asdl_seq_new(n_items, c->c_arena);
if (!items)
return NULL;
for (i = 1; i < NCH(n) - 2; i += 2) {
for (i = 1; i < nch_minus_type - 2; i += 2) {
withitem_ty item = ast_for_with_item(c, CHILD(n, i));
if (!item)
return NULL;
@ -4137,11 +4314,19 @@ ast_for_with_stmt(struct compiling *c, const node *n0, bool is_async)
return NULL;
get_last_end_pos(body, &end_lineno, &end_col_offset);
if (has_type_comment) {
type_comment = NEW_TYPE_COMMENT(CHILD(n, NCH(n) - 2));
if (!type_comment)
return NULL;
}
else
type_comment = NULL;
if (is_async)
return AsyncWith(items, body, LINENO(n0), n0->n_col_offset,
return AsyncWith(items, body, type_comment, LINENO(n0), n0->n_col_offset,
end_lineno, end_col_offset, c->c_arena);
else
return With(items, body, LINENO(n), n->n_col_offset,
return With(items, body, type_comment, LINENO(n), n->n_col_offset,
end_lineno, end_col_offset, c->c_arena);
}
@ -4768,8 +4953,9 @@ fstring_find_expr(const char **str, const char *end, int raw, int recurse_lvl,
if (ch == '\\') {
/* Error: can't include a backslash character, inside
parens or strings or not. */
ast_error(c, n, "f-string expression part "
"cannot include a backslash");
ast_error(c, n,
"f-string expression part "
"cannot include a backslash");
return -1;
}
if (quote_char) {
@ -4893,8 +5079,9 @@ fstring_find_expr(const char **str, const char *end, int raw, int recurse_lvl,
/* Validate the conversion. */
if (!(conversion == 's' || conversion == 'r'
|| conversion == 'a')) {
ast_error(c, n, "f-string: invalid conversion character: "
"expected 's', 'r', or 'a'");
ast_error(c, n,
"f-string: invalid conversion character: "
"expected 's', 'r', or 'a'");
return -1;
}
}
@ -5446,7 +5633,8 @@ parsestr(struct compiling *c, const node *n, int *bytesmode, int *rawmode,
const char *ch;
for (ch = s; *ch; ch++) {
if (Py_CHARMASK(*ch) >= 0x80) {
ast_error(c, n, "bytes can only contain ASCII "
ast_error(c, n,
"bytes can only contain ASCII "
"literal characters.");
return -1;
}

View File

@ -765,13 +765,13 @@ builtin_compile_impl(PyObject *module, PyObject *source, PyObject *filename,
int compile_mode = -1;
int is_ast;
PyCompilerFlags cf;
int start[] = {Py_file_input, Py_eval_input, Py_single_input};
int start[] = {Py_file_input, Py_eval_input, Py_single_input, Py_func_type_input};
PyObject *result;
cf.cf_flags = flags | PyCF_SOURCE_IS_UTF8;
if (flags &
~(PyCF_MASK | PyCF_MASK_OBSOLETE | PyCF_DONT_IMPLY_DEDENT | PyCF_ONLY_AST))
~(PyCF_MASK | PyCF_MASK_OBSOLETE | PyCF_DONT_IMPLY_DEDENT | PyCF_ONLY_AST | PyCF_TYPE_COMMENTS))
{
PyErr_SetString(PyExc_ValueError,
"compile(): unrecognised flags");
@ -795,9 +795,21 @@ builtin_compile_impl(PyObject *module, PyObject *source, PyObject *filename,
compile_mode = 1;
else if (strcmp(mode, "single") == 0)
compile_mode = 2;
else if (strcmp(mode, "func_type") == 0) {
if (!(flags & PyCF_ONLY_AST)) {
PyErr_SetString(PyExc_ValueError,
"compile() mode 'func_type' requires flag PyCF_ONLY_AST");
goto error;
}
compile_mode = 3;
}
else {
PyErr_SetString(PyExc_ValueError,
"compile() mode must be 'exec', 'eval' or 'single'");
const char *msg;
if (flags & PyCF_ONLY_AST)
msg = "compile() mode must be 'exec', 'eval', 'single' or 'func_type'";
else
msg = "compile() mode must be 'exec', 'eval' or 'single'";
PyErr_SetString(PyExc_ValueError, msg);
goto error;
}

File diff suppressed because it is too large Load Diff

View File

@ -158,6 +158,8 @@ static int PARSER_FLAGS(PyCompilerFlags *flags)
parser_flags |= PyPARSE_IGNORE_COOKIE;
if (flags->cf_flags & CO_FUTURE_BARRY_AS_BDFL)
parser_flags |= PyPARSE_BARRY_AS_BDFL;
if (flags->cf_flags & PyCF_TYPE_COMMENTS)
parser_flags |= PyPARSE_TYPE_COMMENTS;
return parser_flags;
}