Commit Graph

608 Commits

Author SHA1 Message Date
Kodi Arfer
b777972a0e Fix mangling of characters below 0xFF 2018-12-14 15:54:23 -05:00
Brandon T. Willard
b8b02c9df9 Handle empty defmain args
Closes hylang/hy#1707.
2018-11-29 14:37:52 -06:00
Brandon T. Willard
86fda31ab1 Move compilation and parsing functions out of importer.py
Functions and variables relating to compilation and parsing have been moved to
`compiler.py` and `lex/__init__.py`, respectively.  Those functions are
  - `hy_parse` from `hy.importer` to `hy.lex`
  - `hy_eval`, `ast_compile`, and `calling_module` from `hy.importer` to
  `hy.compiler`

Closes hylang/hy#1695.
2018-11-28 14:12:33 -05:00
Jakub Wilk
28504ba85d Catch IndentationError in isidentifier()
Fixes:

    >>> from hy._compat import isidentifier
    >>> isidentifier(u"  0\n 0")
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
      File "hy/_compat.py", line 47, in isidentifier
        tokens = list(T.generate_tokens(StringIO(x).readline))
      File "/usr/lib/python2.7/tokenize.py", line 374, in generate_tokens
        ("<tokenize>", lnum, pos, line))
      File "<tokenize>", line 2
        0
        ^
    IndentationError: unindent does not match any outer indentation level
2018-11-27 17:15:21 -05:00
Brandon T. Willard
010986e8ca Implement minimal macro namespacing and add tests
This commit adds just enough namespacing to resolve a macro first in the macro's
defining module's namespace (i.e. the module assigned to the `HyASTCompiler`),
then in the namespace/module it's evaluated in.  Namespacing is accomplished by
adding a `module` attribute to `HySymbol`, so that `HyExpression`s can be
checked for this definition namespace attribute and their car symbol resolved
per the above.

As well, a couple tests have been added that cover
- the loading of module-level macros
  - e.g. that only macros defined in the `require`d module are added
- the AST generated for `require`
  - using macros loaded from modules imported via bytecode
- the non-local macro namespace resolution described above
  - a `require`d macro that uses a macro `require` exclusively in its
    module-level namespace
- and that (second-degree `require`d) macros can reference variables within
  their module-level namespaces.

Closes hylang/hy#1268, closes hylang/hy#1650, closes hylang/hy#1416.
2018-11-08 22:57:17 -06:00
Brandon T. Willard
96f99c29d1 Fix missing import in doc macro expansion 2018-09-24 16:39:13 -04:00
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
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
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
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
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
8296a36e12 Add tests and docs for model patterns 2018-05-28 16:15:47 -07:00
Kodi Arfer
906b470499 Move test assertions into a test function 2018-05-20 14:11:35 -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
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
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
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
Kodi Arfer
097647bf6f Remove tests of cons cells 2018-04-12 16:45:17 -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
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
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
Kodi Arfer
268eba93fe Update a disassembly test for Python 3.7 2018-03-24 12:34:43 -07:00