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Author SHA1 Message Date
yanganto
28fbdffdc8 Provide caret diagnostics for SyntaxError 
visualize syntax error with caret diagnostics in shell, eval, exec,
when the error statement and error location are provided.
 2019-11-22 09:17:50 +08:00
Noah
a51a3e0e4b Add a CompileContext 2019-11-07 00:04:51 -06:00
coolreader18
c39e0baab7 Add async for 2019-11-07 00:04:51 -06:00
Noah
19f62b97a3 Deduplicate async/normal with compilation code 2019-11-07 00:04:51 -06:00
coolreader18
ae825125a5 Add async with, reorganize how with blocks work 2019-11-07 00:04:51 -06:00
coolreader18
3638591cde Add coroutines, async/await functionality, and gen.close() 2019-11-07 00:04:50 -06:00
Aviv Palivoda
47c8f3756b Merge pull request #1580 from seeeturtle/doc-f 
Set docstring of function as None if not declared
 2019-11-02 19:18:11 +02:00
joshua1b
30ab196fdc Set docstring of function as None if not declared 
In cpython, if there is no docstring declared in function definition,
the `__doc__` attribute of the function is None.
So this implements the behavior.

Fix #1523
 2019-11-02 23:47:44 +09:00
ichyo
142a29be4a Fix wrong const optimization for "1.0 / 0.0" case 
In cpython, "1.0 / 0.0" raises ZeroDivisionError
```
>>> 1.0 / 0.0
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ZeroDivisionError: float division by zer
```

but RustPython doesn't
```
>>>>> 1.0 / 0.0
inf
```

This is because they emits different byte codes.

```
$ echo "1.0 / 0.0" > zero-div.py

$ python -m dis zero-div.py
  1           0 LOAD_CONST               0 (1.0)
              2 LOAD_CONST               1 (0.0)
              4 BINARY_TRUE_DIVIDE
              6 POP_TOP
              8 LOAD_CONST               2 (None)
             10 RETURN_VALUE

$ cargo run --example dis zero-div.py
zero-div.py:
                 0 LoadConst            (inf)
                 1 Pop
                 2 LoadConst            (None)
                 3 ReturnValue
```

This commit stops optimization for zero division case
to generate same byte codes.
 2019-10-24 00:26:02 +09:00
coolreader18
0fd098569e Change FunctionOpArg to CodeFlags, stored in CodeObject 2019-10-14 20:20:52 +00:00
ChJR
939b49dc81 Add build compatibility with rustc 1.36.0 since #1318 merged 2019-10-13 15:53:49 +09:00
Windel Bouwman
31b6e815f6 Merge pull request #1318 from youknowone/ast-module 
ast module
 2019-10-12 12:51:26 +02:00
Seo Sanghyeon
0000903a7d Shut up Clippy 2019-10-12 18:18:45 +09:00
Jeong YunWon
f2b696a75b Add mode to ast::parse 2019-10-12 18:12:36 +09:00
Seo Sanghyeon
407bb9e4cb Implement IndentationError 2019-10-12 02:24:12 +09:00
Chris West (Faux)
2326b114c2 upgrade low-risk deps 2019-10-10 21:07:26 +01:00
Seo Sanghyeon
a1e228d4ee Implement TabError 2019-10-05 10:12:02 +09:00
Seo Sanghyeon
fe4f8237ad Raise TypeError for duplicate keyword arguments 2019-10-04 19:29:57 +09:00
Seo Sanghyeon
6c88f6af3d Optimize BuildMap bytecode emission 2019-10-03 00:03:08 +09:00
coolreader18
0c3482e03a Invert the inverted boolean 2019-09-28 00:41:41 -05:00
Noah
fee1b6f2c7 Only overwrite the locals in __build_class__ if it's a class 2019-09-28 00:41:41 -05:00
Noah
a29fb0de12 Bump crate versions 2019-09-25 11:57:38 -05:00
HyeockJinKim
18c243854e Fix global declaration error in the function 
Fix Global symbol to prevent syntax error
when global declaration for same variable in function.

Fixes #1353
 2019-09-18 01:57:06 +09:00
coolreader18
bff58fd626 Remove useless_const optimization 
There could be jump depending on the Pop being there, and then it
breaks.
 2019-09-17 08:04:11 +02:00
coolreader18
b8726f03df Don't emit None, ReturnValue if the last statement in a function is a return 2019-09-17 08:04:11 +02:00
coolreader18
e5f6d11a12 Add optimization to remove unused LoadConst operations 2019-09-17 08:04:11 +02:00
Noah
65c98069db Merge pull request #1367 from j30ng/syntax-err-on-star 
Return SyntaxError on Invalid Star Expression
 2019-09-12 08:48:57 -05:00
j30ng
df4be1f9ce Remove Enum Instruction::Unpack 2019-09-12 16:30:03 +09:00
j30ng
3b99c07a1e Format Code with rustfmt 2019-09-12 04:36:31 +09:00
j30ng
5ce3f2c056 Return SyntaxError on Invalid Star Expression 2019-09-12 04:04:27 +09:00
HyeockJinKim
c852c5d272 nonlocal generate syntax error 
If the scope depth is less than 2,
a syntax error occurs in nonlocal.

Fixes #1360
 2019-09-12 01:13:47 +09:00
coolreader18
5919a1e1ba Don't clone SymbolTables when analyzing 2019-09-07 18:12:02 -05:00
coolreader18
d7f99dc7b1 Fix class scopes by modifying symboltable 2019-09-07 01:29:11 -05:00
coolreader18
acce23b79b Fix class vs method scopes 2019-09-05 00:27:16 -05:00
Windel Bouwman
f98d54f09f Merge pull request #1336 from RustPython/comprehension-scope 
Add symboltable scope for comprehensions.
 2019-09-04 15:45:55 +02:00
Adam
4ae902f788 Merge pull request #1332 from RustPython/load_global_loading_local 
load_global shouldn't load outermost locals.
 2019-09-02 10:13:19 +01:00
Adam Kelly
f3ecba02b1 Be somewhat less conservative about declaring things global. 2019-09-02 09:35:29 +01:00
Windel Bouwman
024cf5db04 Add symboltable scope for comprehensions. Add _ast module nodes for comprehensions. 2019-09-01 22:31:16 +02:00
Adam Kelly
9c17d982ff Be extremely conservative about guessing scopes when we don't know. 2019-08-31 16:39:27 +01:00
Jeong YunWon
efecef9d48 Remove duplicated contains_key test 2019-08-31 00:25:16 +09:00
Jeong YunWon
a02ba6104f Fix scan_expression not to mark sequence as Load 2019-08-31 00:25:16 +09:00
Windel Bouwman
ca09cc215d Merge pull request #1325 from RustPython/scoping 
Add scope type and other symboltable properties.
 2019-08-30 07:08:49 +02:00
Windel Bouwman
a0dcfdd57f Add scope type and other symboltable properties. 2019-08-29 19:16:45 +02:00
Windel Bouwman
dac20eeb59 Make subscript its own bytecode. Remove pass bytecode. Move complex bytecodes into seperate functions to reduce complexity of dispatch function. 2019-08-28 12:06:46 +02:00
Noah
e0a52c15f6 Make bytecode::Label its own struct 2019-08-27 21:19:18 +00:00
Windel Bouwman
e37f117035 Implement execution of finally block. Fixes #1306. 2019-08-27 21:16:59 +02:00
Windel Bouwman
e8db01a09a Refactor block stack unwinding to enable finally execution. 2019-08-27 19:40:00 +02:00
Windel Bouwman
39c095d12c Add Free enum variant to the symbol scope to be able to distuingish between true local and free variables. 2019-08-18 12:12:27 +02:00
Windel Bouwman
9b1771b483 Fix clippy warnings. Add proper names to symboltables. 2019-08-18 10:03:00 +02:00
Windel Bouwman
99b3532cae Merge pull request #1251 from RustPython/scope-detection 
Extend AST python module. Add idea for scope detection.
 2019-08-18 09:14:20 +02:00