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947 Commits

Author SHA1 Message Date
Brandon T. Willard
a9763b34cf Fix sys.modules for failed imports in Python 2.7 
Newly imported modules with compile and/or run-time errors were not being
removed from `sys.modules`.  This commit modifies the Python 2.7 loader so that
it follows Python's failed-initial-import logic and removes the module from
`sys.modules`.
 2018-09-29 20:57:28 -05:00
Brandon T. Willard
96f99c29d1 Fix missing import in doc macro expansion 2018-09-24 16:39:13 -04:00
Brandon T. Willard
c0c5c9c699 Make cmdline Hy process unknown filetypes as Hy source 
This change a Hy-preferring `runhy` that is used by cmdline Hy.  Standard
`runpy` is still patched so that it can run `.hy` files, but the default
behaviour for unknown filetypes is preserved (i.e. assume they are Python
source).

Closes hylang/hy#1677.
 2018-09-24 16:27:50 -04:00
Brandon T. Willard
a9fca8001e Fix AST handling of docstrings and __future__ ordering 
This closes hylang/hy#1367 and closes hylang/hy#1540
 2018-09-11 16:26:21 -04:00
Brandon T. Willard
5d325a5156 Add a test for module docstrings 2018-08-27 01:02:29 -05:00
Brandon T. Willard
bbc66d0042 Add test for shadowed-basename imports 
This test ensures that Hy will load a `.hy` instead of a `.py` counterpart.
 2018-08-26 00:27:36 -05:00
Brandon T. Willard
1da29417fe Add test for circular imports 
Closes hylang/hy#1134.
 2018-08-26 00:27:36 -05:00
Brandon T. Willard
cbaba4a10a Use Python cmdline file-relative sys.path 
Closes hylang/hy#1457.
 2018-08-26 00:27:21 -05:00
Brandon T. Willard
c022abc831 Add Python cmdline bytecode option and set sys.executable 
Closes hylang/hy#459.
 2018-08-26 00:17:12 -05:00
Brandon T. Willard
4839acadf7 Add tests for importing __main__.hy files 
Closes hylang/hy#1466.
 2018-08-25 22:50:45 -05:00
Brandon T. Willard
e9e7171b56 Add module reloading tests 2018-08-25 22:50:45 -05:00
Brandon T. Willard
87a5b117a1 Implement new importer using PEP-302 semantics 
Python 3.x is patched in a way that integrates `.hy` source files into
Pythons default `importlib` machinery.  In Python 2.7, a PEP-302 "importer"
and "loader" is implemented according to the standard `import` logic (via
`pkgutil` and later pure-Python `imp` package code).

In both cases, the entry-point for the loaders is through `sys.path_hooks` only.
As well, the import semantics have been updated all throughout to utilize
`importlib` and follow aspects of PEP-420.  This, along with some light
patches, should allow for basic use of `runpy`, `py_compile` and `reload`.

In all cases, if a `.hy` file is shadowed by a `.py`, Hy will silently use
`.hy`.
 2018-08-25 22:50:38 -05:00
gilch
109c0b0f5b
Merge pull request #1664 from brandonwillard/require-in-macroexpand-all 
Expand `require`d macros in `macroexpand-all`
 2018-08-02 23:57:32 -06:00
Brandon T. Willard
65b2bd18ce Add a test for require in the body of a macro 2018-07-25 17:20:19 -05:00
Kodi Arfer
081a710b0f Fix handling of unpacking in method calls and attribute lookups 2018-07-24 09:45:00 -07:00
Kodi Arfer
271f2846dc Minor cleanup in test_ast 2018-07-24 09:37:19 -07:00
Kodi Arfer
1d2c73165d Make HyKeyword callable 
Co-authored-by: Simon Gomizelj <simon@vodik.xyz>
 2018-07-24 09:19:37 -07:00
Kodi Arfer
03aafad657 Make empty expressions illegal at the top level 2018-07-24 08:59:52 -07:00
Kodi Arfer
9af738e56d Add hy2py tests for empty data structures 2018-07-21 11:20:13 -07:00
gilch
0de8557fb5
Merge pull request #1647 from gilch/let-rebind 
Fix let rebind bug.
 2018-07-08 21:52:32 -06:00
Kodi Arfer
9c6714c176 Remove unused imports 2018-06-30 11:04:11 -07:00
gilch
8c79015b40 Fix let rebind bug. 2018-06-27 23:41:49 -06:00
gilch
9a8886a452 Proper special indent in let tests. 2018-06-27 23:38:06 -06:00
Kodi Arfer
7abd8ffc2a Make importing a dotted name a syntax error, per Python 2018-06-27 10:24:22 -07:00
Oskar Kvist
edbe8e3b7f Make defmacro! work with optional args 2018-06-25 11:45:23 -07:00
Kodi Arfer
14979edcab Remove tests of the old comprehension forms 2018-06-13 17:31:08 -07:00
Kodi Arfer
cf0dafef9b Update uses of the old comprehension forms 2018-06-13 17:31:08 -07:00
Kodi Arfer
df4e49ec94 Test comprehension scoping 2018-06-13 17:31:08 -07:00
Kodi Arfer
4754b152a9 Allow comprehensions with no looping parts 2018-06-13 17:31:08 -07:00
Kodi Arfer
e1972c535f Remove for/a, for*, and for/a* 2018-06-13 17:31:08 -07:00
Kodi Arfer
3256932b13 Add a version of for parallel to lfor etc. 2018-06-13 17:31:08 -07:00
Kodi Arfer
ba1dc55e96 Implement lfor, sfor, gfor, dfor 2018-06-13 17:31:08 -07:00
Kodi Arfer
d621d7c3ab Update defmacro(/g)! tests for mangling 2018-06-11 21:05:29 -07:00
Kodi Arfer
65e620ed55 Remove an obsolete bug workaround in a test 2018-06-11 21:05:29 -07:00
gilch
29130212f0
Merge pull request #1631 from Kodiologist/py37-updates 
Get  Travis and Python 3.7 working again
 2018-06-11 20:53:51 -06:00
Kodi Arfer
79bd4b019c
Merge pull request #1623 from Kodiologist/model-pattern-docs 
Add tests and docs for model patterns
 2018-06-11 16:35:02 -07:00
Kodi Arfer
16ec46a473 Update docstring handling for Python 3.7 
See https://github.com/python/cpython/pull/7121 .
 2018-06-05 17:35:48 -07:00
Kodi Arfer
74bf3e9e81 Work around a scoping bug in multi.defn (#1630) 2018-06-05 10:23:32 -07:00
Kodi Arfer
3204a9e8a3 Streamline auto-promotion and position spoofing 
Auto-promotion now occurs in only two cases: when we start the compiler and when we expand a macro. It's fully recursive so even a non-model nested in a model will be promoted.

This change fixes some regressions induced by the stricter type checks of the pattern-matching compiler.
 2018-06-05 09:23:21 -07:00
Kodi Arfer
a38c948ed2 Fix a regression with mangling module names 2018-06-03 15:38:49 -07:00
Kodi Arfer
6458f2d66f Re-enable tests that were stymied by an astor bug 2018-05-29 09:18:42 -07:00
Kodi Arfer
8296a36e12 Add tests and docs for model patterns 2018-05-28 16:15:47 -07:00
Kodi Arfer
9f454f0228 Test complex numbers in test_hy2py 2018-05-20 14:11:35 -07:00
Kodi Arfer
906b470499 Move test assertions into a test function 2018-05-20 14:11:35 -07:00
Kodi Arfer
210086c7ca Clean up the decorators used in the compiler 2018-05-20 14:11:35 -07:00
Kodi Arfer
57b5fa49b1 Unify illegal special forms 2018-05-20 14:11:31 -07:00
Kodi Arfer
45e8783997 Use model patterns for fn 2018-05-20 14:07:44 -07:00
Kodi Arfer
9368e4bc4e Use model patterns for import and require 
In the process, I've banned the syntax `(import [foo])` in favor of `(import foo)`.
 2018-05-20 14:07:44 -07:00
Kodi Arfer
79c02514b9 Introduce the use of model patterns 2018-05-20 14:07:44 -07:00
Philip Xu
8a83d0c1ea Fixes #1605: remove macros ap-pipe and ap-compose 
Anaphoric macros do not work well with point-free style programming, in
which case both threading macros and `comp` are more adequate.
 2018-05-20 13:52:51 -07:00
gilch
049c78f5d5 Fix bug in let's handle-dot. 2018-05-18 10:40:59 -07:00
Kodi Arfer
a2aeca2338 Remove tuple unpacking in lambda lists 2018-05-04 10:40:22 -07:00
Simon Gomizelj
7c3477e738 Fix a bug where the compiler doesn't properly handle unquote-splice 
Added test coverage as well
 2018-04-30 09:38:57 -07:00
Kodi Arfer
c7ac4c60c4 Fix a bug that caused try to drop expressions 2018-04-30 09:18:01 -07:00
Kodi Arfer
ec1c92bf4e Allow for with an empty body 2018-04-29 19:51:00 -07:00
Kodi Arfer
b7e5c5f17a Allow while with an empty body 2018-04-29 19:51:00 -07:00
Kodi Arfer
a8fe95c5b6 Update test_preprocessor_exceptions 
This test has been passing since b023ebd0b5, so I removed the xfail. I also rewrote the test to use pytest.raises.
 2018-04-29 19:29:17 -07:00
Kodi Arfer
87aced2370 Don't let HyExpression etc. inherit from HyList 
This means the compiler no longer allows e.g. `(fn (x) ...)` in place of `(fn [x] ...)`.
 2018-04-29 19:17:47 -07:00
Simon Gomizelj
032247e380
Merge pull request #1588 from Kodiologist/no-amp-key 
Remove &key
 2018-04-27 00:21:11 -04:00
Ryan Gonzalez
fbeff8d25c
Merge pull request #1587 from Kodiologist/no-empty-catchers 
Ban `(except)`
 2018-04-23 21:50:56 -05:00
Kodi Arfer
c1a487cdf7 Move logic from macroexpand_1 to macroexpand 
By ending macro-expansion immediately when appropriate, this change fixes a bug arising from the fact that NaN != NaN.
 2018-04-21 12:25:29 -07:00
Kodi Arfer
4a6b633ad2 Add some missing imports 2018-04-21 12:25:29 -07:00
Kodi Arfer
a605936651 Remove &key 
It's redundant with &optional.
 2018-04-19 09:26:02 -07:00
Kodi Arfer
7bf2901364 Ban (except) 
It's rarely useful, because it catches all exceptions, but it doesn't let you do anything other than return `None`. You can still get the same effect with `(except [])`.
 2018-04-16 19:34:50 -07:00
Simon Gomizelj
fa54884131 Fix unit tests when run with PYTHONDONTWRITEBYTECODE 
When set, it will conflict with any tests that generate bytecode
because they don't expect it to be set.

Fixable by sanitize the environment before forking, but we can't do
anything about import tests.

This is a pipenv default, and possibly a sane flag to set while doing
Hy development, so lets not let it be a hazard for developers to trip
over.
 2018-04-14 12:12:01 -07:00
Kodi Arfer
097647bf6f Remove tests of cons cells 2018-04-12 16:45:17 -07:00
Kodi Arfer
f332ad2eae Improve testing of hy2py 
Instead of just checking that hy2py outputs a nonempty string and doesn't crash, we check that a hy2py-generated Python program works the same as the original Hy program.

This test suggests my plan to make hy2py output real Python has succeeded, so I updated NEWS accordingly.
 2018-04-08 15:35:57 -07:00
Simon Gomizelj
291847af15 Make HyKeyword constructor consistent 
The colon is now only part of its string representation and no longer
accepted as part of the constructor:

  :foobar == HyKeyword("foobar")
 2018-04-07 22:29:20 -07:00
Simon Gomizelj
1b7dfd2839 Make HyKeyword a first class objects 
HyKeywords are no longer an instances of string with a particular
prefix, but a completely separate object.

This means keywords no longer trip isinstance str checks, adding a
little bit of type safety to the compiler.

It also means that HyKeywords evaluate to themselves.

Closes #1352
 2018-04-07 22:29:20 -07:00
Yigong Wang
564c030950 Raise LexException when codec can't decode some bytes 2018-04-07 11:47:06 -07:00
Simon Gomizelj
4d98cde663
Merge pull request #1560 from waigx/feat/results-shortcuts 
Add recent REPL results globals *i and most recent error *e
 2018-04-04 19:27:35 -04:00
gilch
be06741e03
Fix indent 2018-04-04 12:04:34 -06:00
Kodi Arfer
f17a21be63 Use X as the mangle delimiter on Python 3 2018-04-04 10:50:33 -07:00
Yigong Wang
be8537c0cf Add recent REPL results globals *i and most recent error *e 
This comment add *1, *2, *3 as globals for recent REPL results.
*e global is also added for the most recent error object.
 2018-04-02 00:21:13 -04:00
Yigong Wang
4073c78069 Add -E support for Hy REPL 
This commit adds -E support for Hy. Similar to Python, hy will ignore
all PYTHON* environment variables, e.g. PYTHONPATH and PYTHONHOME,
that might be set.
 2018-03-31 15:16:40 -07:00
Simon Gomizelj
b27cdfed69 Fix defclass construction 
Python Class AST expects a body which is a list of ast.Expr. Force
every entry to be stored as a statement. This means we'll preserve
print statements.

Python also doesn't construct docstrings in classes by setting a
__doc__ attribute, it does it by inspecting the first ast.Expr node of
the class. But this means we can remove the special handler for it.
 2018-03-31 02:43:53 -04:00
Simon Gomizelj
84e1c65bcd Improve checks inside defclass 
We need to make sure we're looking at HyExpression when trying to
determine if we're rewriting an __init__ expression.

Fixes #1533
 2018-03-31 02:43:53 -04:00
Kodi Arfer
268eba93fe Update a disassembly test for Python 3.7 2018-03-24 12:34:43 -07:00
Kodi Arfer
cf60dc7a13 Fix a hy-repr test for Python 3.7 2018-03-24 12:34:43 -07:00
Kodi Arfer
e3058b5cf5 Handle module docstrings on Python 3.7 2018-03-24 12:34:43 -07:00
Kodi Arfer
cfb042304c Test module docstrings 2018-03-24 12:34:43 -07:00
Kodi Arfer
ad59fd7ff6 In -> and ->>, don't modify the arguments 2018-03-23 13:57:19 -07:00
Simon Gomizelj
c663d38e33 Add metaclass support, support PEP 3115 and PEP 487 2018-03-22 13:28:22 -07:00
Simon Gomizelj
75af667fa1 Fix test_hy2py not respecting 'only_py36' 2018-03-22 13:27:56 -07:00
Tuukka Turto
cb72a8c155
Merge pull request #1530 from vodik/pytest-cleanups 
Use pytest.raises for asserting compiler exceptions
 2018-03-15 08:14:09 +02:00
Kodi Arfer
3c97d2982c Use *1 instead of _ for REPL history 
`_`, as a variable, is now the shadow subtraction operator.
 2018-03-13 14:56:47 -04:00
Kodi Arfer
85968e70dd Add mangle and unmangle as core functions 2018-03-13 14:55:55 -04:00
Kodi Arfer
ebc9bda7ee Remove an obsolete test 2018-03-13 14:55:55 -04:00
Kodi Arfer
0c8c5dc830 Mangle special forms 2018-03-13 14:55:55 -04:00
Kodi Arfer
ccb3ba6092 Mangle macro names 2018-03-13 14:55:55 -04:00
Kodi Arfer
0c816f2e83 Mangle keyword arguments 2018-03-13 14:55:55 -04:00
Kodi Arfer
d252bb0e94 Mangle names that coincide with Python keywords 2018-03-13 14:55:55 -04:00
Kodi Arfer
52edad28e2 Overhaul mangling rules 2018-03-13 14:55:53 -04:00
Kodi Arfer
d501d4d806 Mangle symbols at compile-time instead of parse-time 
This means that a HySymbol remembers its original name. That is, `a-b` and `a_b` are different symbols although `(setv a-b 1)` and `(setv a_b 1)` set the same variable (namely, `a_b`).

Most of the edits in this commit are to switch underscores to hyphens in places where mangling hasn't happened yet.

I removed some lexer tests since the lexer no longer does any mangling.
 2018-03-13 14:55:15 -04:00
Kodi Arfer
7fcc7ac4b6 Make unary comparison ops evaluate their argument 2018-03-13 14:38:36 -04:00
Kodi Arfer
9f0911161d Fix tests with =-and-parentheses errors 2018-03-13 14:38:36 -04:00
Simon Gomizelj
e3f4fc8481 Use pytest.raises for asserting compiler exceptions 2018-03-12 01:44:57 -04:00
Kodi Arfer
0574e275b5 Make hy-repr support some collections classes 2018-03-10 18:11:07 -08:00
Kodi Arfer
38f461890d Make hy-repr support DateTime objects 2018-03-10 18:11:07 -08:00
Kodi Arfer
3dbe05302e Make hy-repr support regex match objects 2018-03-10 18:11:07 -08:00