646 lines
19 KiB
Python
646 lines
19 KiB
Python
# -*- encoding: utf-8 -*-
|
|
# Copyright 2018 the authors.
|
|
# This file is part of Hy, which is free software licensed under the Expat
|
|
# license. See the LICENSE.
|
|
|
|
from __future__ import unicode_literals
|
|
|
|
from hy import HyString
|
|
from hy.models import HyObject
|
|
from hy.compiler import hy_compile
|
|
from hy.importer import hy_eval, import_buffer_to_hst
|
|
from hy.errors import HyCompileError, HyTypeError
|
|
from hy.lex.exceptions import LexException
|
|
from hy._compat import PY3
|
|
|
|
import ast
|
|
import pytest
|
|
|
|
|
|
def _ast_spotcheck(arg, root, secondary):
|
|
if "." in arg:
|
|
local, full = arg.split(".", 1)
|
|
return _ast_spotcheck(full,
|
|
getattr(root, local),
|
|
getattr(secondary, local))
|
|
assert getattr(root, arg) == getattr(secondary, arg)
|
|
|
|
|
|
def can_compile(expr):
|
|
return hy_compile(import_buffer_to_hst(expr), "__main__")
|
|
|
|
|
|
def can_eval(expr):
|
|
return hy_eval(import_buffer_to_hst(expr))
|
|
|
|
|
|
def cant_compile(expr):
|
|
try:
|
|
hy_compile(import_buffer_to_hst(expr), "__main__")
|
|
assert False
|
|
except HyTypeError as e:
|
|
# Anything that can't be compiled should raise a user friendly
|
|
# error, otherwise it's a compiler bug.
|
|
assert isinstance(e.expression, HyObject)
|
|
assert e.message
|
|
return e
|
|
except HyCompileError as e:
|
|
# Anything that can't be compiled should raise a user friendly
|
|
# error, otherwise it's a compiler bug.
|
|
assert isinstance(e.exception, HyTypeError)
|
|
assert e.traceback
|
|
return e
|
|
|
|
|
|
def s(x):
|
|
return can_compile('"module docstring" ' + x).body[-1].value.s
|
|
|
|
|
|
def test_ast_bad_type():
|
|
"Make sure AST breakage can happen"
|
|
class C:
|
|
pass
|
|
try:
|
|
hy_compile(C(), "__main__")
|
|
assert True is False
|
|
except HyCompileError:
|
|
pass
|
|
|
|
|
|
def test_ast_bad_if():
|
|
"Make sure AST can't compile invalid if*"
|
|
cant_compile("(if*)")
|
|
cant_compile("(if* foobar)")
|
|
cant_compile("(if* 1 2 3 4 5)")
|
|
|
|
|
|
def test_ast_valid_if():
|
|
"Make sure AST can compile valid if*"
|
|
can_compile("(if* foo bar)")
|
|
|
|
|
|
def test_ast_valid_unary_op():
|
|
"Make sure AST can compile valid unary operator"
|
|
can_compile("(not 2)")
|
|
can_compile("(~ 1)")
|
|
|
|
|
|
def test_ast_invalid_unary_op():
|
|
"Make sure AST can't compile invalid unary operator"
|
|
cant_compile("(not 2 3 4)")
|
|
cant_compile("(not)")
|
|
cant_compile("(not 2 3 4)")
|
|
cant_compile("(~ 2 2 3 4)")
|
|
cant_compile("(~)")
|
|
|
|
|
|
def test_ast_bad_while():
|
|
"Make sure AST can't compile invalid while"
|
|
cant_compile("(while)")
|
|
|
|
|
|
def test_ast_good_do():
|
|
"Make sure AST can compile valid do"
|
|
can_compile("(do)")
|
|
can_compile("(do 1)")
|
|
|
|
|
|
def test_ast_good_raise():
|
|
"Make sure AST can compile valid raise"
|
|
can_compile("(raise)")
|
|
can_compile("(raise Exception)")
|
|
can_compile("(raise e)")
|
|
|
|
|
|
if PY3:
|
|
def test_ast_raise_from():
|
|
can_compile("(raise Exception :from NameError)")
|
|
|
|
|
|
def test_ast_bad_raise():
|
|
"Make sure AST can't compile invalid raise"
|
|
cant_compile("(raise Exception Exception)")
|
|
|
|
|
|
def test_ast_good_try():
|
|
"Make sure AST can compile valid try"
|
|
can_compile("(try 1 (except []) (else 1))")
|
|
can_compile("(try 1 (finally 1))")
|
|
can_compile("(try 1 (except []) (finally 1))")
|
|
can_compile("(try 1 (except [x]) (except [y]) (finally 1))")
|
|
can_compile("(try 1 (except []) (else 1) (finally 1))")
|
|
can_compile("(try 1 (except [x]) (except [y]) (else 1) (finally 1))")
|
|
|
|
|
|
def test_ast_bad_try():
|
|
"Make sure AST can't compile invalid try"
|
|
cant_compile("(try)")
|
|
cant_compile("(try 1)")
|
|
cant_compile("(try 1 bla)")
|
|
cant_compile("(try 1 bla bla)")
|
|
cant_compile("(try (do bla bla))")
|
|
cant_compile("(try (do) (else 1) (else 2))")
|
|
cant_compile("(try 1 (else 1))")
|
|
cant_compile("(try 1 (else 1) (except []))")
|
|
cant_compile("(try 1 (finally 1) (except []))")
|
|
cant_compile("(try 1 (except []) (finally 1) (else 1))")
|
|
|
|
|
|
def test_ast_good_except():
|
|
"Make sure AST can compile valid except"
|
|
can_compile("(try 1 (except []))")
|
|
can_compile("(try 1 (except [Foobar]))")
|
|
can_compile("(try 1 (except [[]]))")
|
|
can_compile("(try 1 (except [x FooBar]))")
|
|
can_compile("(try 1 (except [x [FooBar BarFoo]]))")
|
|
can_compile("(try 1 (except [x [FooBar BarFoo]]))")
|
|
|
|
|
|
def test_ast_bad_except():
|
|
"Make sure AST can't compile invalid except"
|
|
cant_compile("(except 1)")
|
|
cant_compile("(try 1 (except))")
|
|
cant_compile("(try 1 (except 1))")
|
|
cant_compile("(try 1 (except [1 3]))")
|
|
cant_compile("(try 1 (except [(f) [IOError ValueError]]))")
|
|
cant_compile("(try 1 (except [x [FooBar] BarBar]))")
|
|
|
|
|
|
def test_ast_good_assert():
|
|
"""Make sure AST can compile valid asserts. Asserts may or may not
|
|
include a label."""
|
|
can_compile("(assert 1)")
|
|
can_compile("(assert 1 \"Assert label\")")
|
|
can_compile("(assert 1 (+ \"spam \" \"eggs\"))")
|
|
can_compile("(assert 1 12345)")
|
|
can_compile("(assert 1 None)")
|
|
can_compile("(assert 1 (+ 2 \"incoming eggsception\"))")
|
|
|
|
|
|
def test_ast_bad_assert():
|
|
"Make sure AST can't compile invalid assert"
|
|
cant_compile("(assert)")
|
|
cant_compile("(assert 1 2 3)")
|
|
cant_compile("(assert 1 [1 2] 3)")
|
|
|
|
|
|
def test_ast_good_global():
|
|
"Make sure AST can compile valid global"
|
|
can_compile("(global a)")
|
|
can_compile("(global foo bar)")
|
|
|
|
|
|
def test_ast_bad_global():
|
|
"Make sure AST can't compile invalid global"
|
|
cant_compile("(global)")
|
|
cant_compile("(global (foo))")
|
|
|
|
|
|
if PY3:
|
|
def test_ast_good_nonlocal():
|
|
"Make sure AST can compile valid nonlocal"
|
|
can_compile("(nonlocal a)")
|
|
can_compile("(nonlocal foo bar)")
|
|
|
|
def test_ast_bad_nonlocal():
|
|
"Make sure AST can't compile invalid nonlocal"
|
|
cant_compile("(nonlocal)")
|
|
cant_compile("(nonlocal (foo))")
|
|
|
|
|
|
def test_ast_good_defclass():
|
|
"Make sure AST can compile valid defclass"
|
|
can_compile("(defclass a)")
|
|
can_compile("(defclass a [])")
|
|
can_compile("(defclass a [] None 42)")
|
|
can_compile("(defclass a [] None \"test\")")
|
|
can_compile("(defclass a [] None (print \"foo\"))")
|
|
|
|
|
|
@pytest.mark.skipif(not PY3, reason="Python 3 supports class keywords")
|
|
def test_ast_good_defclass_with_metaclass():
|
|
"Make sure AST can compile valid defclass with keywords"
|
|
can_compile("(defclass a [:metaclass b])")
|
|
can_compile("(defclass a [:b c])")
|
|
|
|
|
|
def test_ast_bad_defclass():
|
|
"Make sure AST can't compile invalid defclass"
|
|
cant_compile("(defclass)")
|
|
cant_compile("(defclass a None)")
|
|
cant_compile("(defclass a None None)")
|
|
|
|
|
|
def test_ast_good_lambda():
|
|
"Make sure AST can compile valid lambda"
|
|
can_compile("(fn [])")
|
|
can_compile("(fn [] 1)")
|
|
|
|
|
|
def test_ast_bad_lambda():
|
|
"Make sure AST can't compile invalid lambda"
|
|
cant_compile("(fn)")
|
|
cant_compile("(fn ())")
|
|
cant_compile("(fn () 1)")
|
|
cant_compile("(fn (x) 1)")
|
|
cant_compile('(fn "foo")')
|
|
|
|
|
|
def test_ast_good_yield():
|
|
"Make sure AST can compile valid yield"
|
|
can_compile("(yield 1)")
|
|
|
|
|
|
def test_ast_bad_yield():
|
|
"Make sure AST can't compile invalid yield"
|
|
cant_compile("(yield 1 2)")
|
|
|
|
|
|
def test_ast_good_import_from():
|
|
"Make sure AST can compile valid selective import"
|
|
can_compile("(import [x [y]])")
|
|
|
|
|
|
def test_ast_require():
|
|
"Make sure AST respects (require) syntax"
|
|
can_compile("(require tests.resources.tlib)")
|
|
can_compile("(require [tests.resources.tlib [qplah parald]])")
|
|
can_compile("(require [tests.resources.tlib [*]])")
|
|
can_compile("(require [tests.resources.tlib :as foobar])")
|
|
can_compile("(require [tests.resources.tlib [qplah :as quiz]])")
|
|
can_compile("(require [tests.resources.tlib [qplah :as quiz parald]])")
|
|
cant_compile("(require [tests.resources.tlib])")
|
|
cant_compile("(require [tests.resources.tlib [* qplah]])")
|
|
cant_compile("(require [tests.resources.tlib [qplah *]])")
|
|
cant_compile("(require [tests.resources.tlib [* *]])")
|
|
|
|
|
|
def test_ast_no_pointless_imports():
|
|
def contains_import_from(code):
|
|
return any([isinstance(node, ast.ImportFrom)
|
|
for node in can_compile(code).body])
|
|
# `reduce` is a builtin in Python 2, but not Python 3.
|
|
# The version of `map` that returns an iterator is a builtin in
|
|
# Python 3, but not Python 2.
|
|
if PY3:
|
|
assert contains_import_from("reduce")
|
|
assert not contains_import_from("map")
|
|
else:
|
|
assert not contains_import_from("reduce")
|
|
assert contains_import_from("map")
|
|
|
|
|
|
def test_ast_good_get():
|
|
"Make sure AST can compile valid get"
|
|
can_compile("(get x y)")
|
|
|
|
|
|
def test_ast_bad_get():
|
|
"Make sure AST can't compile invalid get"
|
|
cant_compile("(get)")
|
|
cant_compile("(get 1)")
|
|
|
|
|
|
def test_ast_good_cut():
|
|
"Make sure AST can compile valid cut"
|
|
can_compile("(cut x)")
|
|
can_compile("(cut x y)")
|
|
can_compile("(cut x y z)")
|
|
can_compile("(cut x y z t)")
|
|
|
|
|
|
def test_ast_bad_cut():
|
|
"Make sure AST can't compile invalid cut"
|
|
cant_compile("(cut)")
|
|
cant_compile("(cut 1 2 3 4 5)")
|
|
|
|
|
|
def test_ast_good_take():
|
|
"Make sure AST can compile valid 'take'"
|
|
can_compile("(take 1 [2 3])")
|
|
|
|
|
|
def test_ast_good_drop():
|
|
"Make sure AST can compile valid 'drop'"
|
|
can_compile("(drop 1 [2 3])")
|
|
|
|
|
|
def test_ast_good_assoc():
|
|
"Make sure AST can compile valid assoc"
|
|
can_compile("(assoc x y z)")
|
|
|
|
|
|
def test_ast_bad_assoc():
|
|
"Make sure AST can't compile invalid assoc"
|
|
cant_compile("(assoc)")
|
|
cant_compile("(assoc 1)")
|
|
cant_compile("(assoc 1 2)")
|
|
cant_compile("(assoc 1 2 3 4)")
|
|
|
|
|
|
def test_ast_bad_with():
|
|
"Make sure AST can't compile invalid with"
|
|
cant_compile("(with*)")
|
|
cant_compile("(with* [])")
|
|
cant_compile("(with* [] (pass))")
|
|
|
|
|
|
def test_ast_valid_while():
|
|
"Make sure AST can't compile invalid while"
|
|
can_compile("(while foo bar)")
|
|
can_compile("(while foo bar (else baz))")
|
|
|
|
|
|
def test_ast_valid_for():
|
|
"Make sure AST can compile valid for"
|
|
can_compile("(for [a 2] (print a))")
|
|
|
|
|
|
def test_nullary_break_continue():
|
|
can_compile("(while 1 (break))")
|
|
cant_compile("(while 1 (break 1))")
|
|
can_compile("(while 1 (continue))")
|
|
cant_compile("(while 1 (continue 1))")
|
|
|
|
|
|
def test_ast_expression_basics():
|
|
""" Ensure basic AST expression conversion works. """
|
|
code = can_compile("(foo bar)").body[0]
|
|
tree = ast.Expr(value=ast.Call(
|
|
func=ast.Name(
|
|
id="foo",
|
|
ctx=ast.Load(),
|
|
),
|
|
args=[
|
|
ast.Name(id="bar", ctx=ast.Load())
|
|
],
|
|
keywords=[],
|
|
starargs=None,
|
|
kwargs=None,
|
|
))
|
|
|
|
_ast_spotcheck("value.func.id", code, tree)
|
|
|
|
|
|
def test_ast_anon_fns_basics():
|
|
""" Ensure anon fns work. """
|
|
code = can_compile("(fn [x] (* x x))").body[0].value
|
|
assert type(code) == ast.Lambda
|
|
code = can_compile("(fn [x] (print \"multiform\") (* x x))").body[0]
|
|
assert type(code) == ast.FunctionDef
|
|
can_compile("(fn [x])")
|
|
cant_compile("(fn)")
|
|
|
|
|
|
def test_ast_non_decoratable():
|
|
""" Ensure decorating garbage breaks """
|
|
cant_compile("(with-decorator (foo) (* x x))")
|
|
|
|
|
|
def test_ast_lambda_lists():
|
|
"""Ensure the compiler chokes on invalid lambda-lists"""
|
|
cant_compile('(fn [&optional [a b c]] a)')
|
|
cant_compile('(fn [&optional [1 2]] (list 1 2))')
|
|
|
|
|
|
def test_ast_print():
|
|
code = can_compile("(print \"foo\")").body[0]
|
|
|
|
assert type(code.value) == ast.Call
|
|
|
|
|
|
def test_ast_tuple():
|
|
""" Ensure tuples work. """
|
|
code = can_compile("(, 1 2 3)").body[0].value
|
|
assert type(code) == ast.Tuple
|
|
|
|
|
|
def test_lambda_list_keywords_rest():
|
|
""" Ensure we can compile functions with lambda list keywords."""
|
|
can_compile("(fn [x &rest xs] (print xs))")
|
|
cant_compile("(fn [x &rest xs &rest ys] (print xs))")
|
|
can_compile("(fn [&optional a &rest xs] (print xs))")
|
|
|
|
|
|
def test_lambda_list_keywords_kwargs():
|
|
""" Ensure we can compile functions with &kwargs."""
|
|
can_compile("(fn [x &kwargs kw] (list x kw))")
|
|
cant_compile("(fn [x &kwargs xs &kwargs ys] (list x xs ys))")
|
|
can_compile("(fn [&optional x &kwargs kw] (list x kw))")
|
|
|
|
|
|
def test_lambda_list_keywords_kwonly():
|
|
"""Ensure we can compile functions with &kwonly if we're on Python
|
|
3, or fail with an informative message on Python 2."""
|
|
kwonly_demo = "(fn [&kwonly a [b 2]] (print 1) (print a b))"
|
|
if PY3:
|
|
code = can_compile(kwonly_demo)
|
|
for i, kwonlyarg_name in enumerate(('a', 'b')):
|
|
assert kwonlyarg_name == code.body[0].args.kwonlyargs[i].arg
|
|
assert code.body[0].args.kw_defaults[0] is None
|
|
assert code.body[0].args.kw_defaults[1].n == 2
|
|
else:
|
|
exception = cant_compile(kwonly_demo)
|
|
assert isinstance(exception, HyTypeError)
|
|
message, = exception.args
|
|
assert message == "&kwonly parameters require Python 3"
|
|
|
|
|
|
def test_lambda_list_keywords_mixed():
|
|
""" Ensure we can mix them up."""
|
|
can_compile("(fn [x &rest xs &kwargs kw] (list x xs kw))")
|
|
cant_compile("(fn [x &rest xs &fasfkey {bar \"baz\"}])")
|
|
if PY3:
|
|
can_compile("(fn [x &rest xs &kwonly kwoxs &kwargs kwxs]"
|
|
" (list x xs kwxs kwoxs))")
|
|
|
|
|
|
def test_missing_keyword_argument_value():
|
|
"""Ensure the compiler chokes on missing keyword argument values."""
|
|
with pytest.raises(HyTypeError) as excinfo:
|
|
can_compile("((fn [x] x) :x)")
|
|
assert excinfo.value.message == "Keyword argument :x needs a value."
|
|
|
|
|
|
def test_ast_unicode_strings():
|
|
"""Ensure we handle unicode strings correctly"""
|
|
|
|
def _compile_string(s):
|
|
hy_s = HyString(s)
|
|
|
|
code = hy_compile([hy_s], "__main__")
|
|
# We put hy_s in a list so it isn't interpreted as a docstring.
|
|
|
|
# code == ast.Module(body=[ast.Expr(value=ast.List(elts=[ast.Str(s=xxx)]))])
|
|
return code.body[0].value.elts[0].s
|
|
|
|
assert _compile_string("test") == "test"
|
|
assert _compile_string("\u03b1\u03b2") == "\u03b1\u03b2"
|
|
assert _compile_string("\xc3\xa9") == "\xc3\xa9"
|
|
|
|
|
|
def test_ast_unicode_vs_bytes():
|
|
assert s('"hello"') == u"hello"
|
|
assert type(s('"hello"')) is (str if PY3 else unicode) # noqa
|
|
assert s('b"hello"') == (eval('b"hello"') if PY3 else "hello")
|
|
assert type(s('b"hello"')) is (bytes if PY3 else str)
|
|
assert s('b"\\xa0"') == (bytes([160]) if PY3 else chr(160))
|
|
|
|
|
|
def test_ast_bracket_string():
|
|
assert s(r'#[[empty delims]]') == 'empty delims'
|
|
assert s(r'#[my delim[fizzle]my delim]') == 'fizzle'
|
|
assert s(r'#[[]]') == ''
|
|
assert s(r'#[my delim[]my delim]') == ''
|
|
assert type(s('#[X[hello]X]')) is (str if PY3 else unicode) # noqa
|
|
assert s(r'#[X[raw\nstring]X]') == 'raw\\nstring'
|
|
assert s(r'#[foozle[aa foozli bb ]foozle]') == 'aa foozli bb '
|
|
assert s(r'#[([unbalanced](]') == 'unbalanced'
|
|
assert s(r'#[(1💯@)} {a} {a!]') == 'hello world'
|
|
assert (s(r'''#[X[
|
|
Remove the leading newline, please.
|
|
]X]''') == 'Remove the leading newline, please.\n')
|
|
assert (s(r'''#[X[
|
|
|
|
|
|
Only one leading newline should be removed.
|
|
]X]''') == '\n\nOnly one leading newline should be removed.\n')
|
|
|
|
|
|
def test_compile_error():
|
|
"""Ensure we get compile error in tricky cases"""
|
|
with pytest.raises(HyTypeError) as excinfo:
|
|
can_compile("(fn [] (in [1 2 3]))")
|
|
|
|
|
|
def test_for_compile_error():
|
|
"""Ensure we get compile error in tricky 'for' cases"""
|
|
with pytest.raises(LexException) as excinfo:
|
|
can_compile("(fn [] (for)")
|
|
assert excinfo.value.message == "Premature end of input"
|
|
|
|
with pytest.raises(LexException) as excinfo:
|
|
can_compile("(fn [] (for)))")
|
|
assert excinfo.value.message == "Ran into a RPAREN where it wasn't expected."
|
|
|
|
with pytest.raises(HyTypeError) as excinfo:
|
|
can_compile("(fn [] (for [x] x))")
|
|
assert excinfo.value.message == "`for' requires an even number of args."
|
|
|
|
|
|
def test_attribute_access():
|
|
"""Ensure attribute access compiles correctly"""
|
|
can_compile("(. foo bar baz)")
|
|
can_compile("(. foo [bar] baz)")
|
|
can_compile("(. foo bar [baz] [0] quux [frob])")
|
|
can_compile("(. foo bar [(+ 1 2 3 4)] quux [frob])")
|
|
cant_compile("(. foo bar :baz [0] quux [frob])")
|
|
cant_compile("(. foo bar baz (0) quux [frob])")
|
|
cant_compile("(. foo bar baz [0] quux {frob})")
|
|
|
|
|
|
def test_attribute_empty():
|
|
"""Ensure using dot notation with a non-expression is an error"""
|
|
cant_compile(".")
|
|
cant_compile("foo.")
|
|
cant_compile(".foo")
|
|
cant_compile('"bar".foo')
|
|
cant_compile('[2].foo')
|
|
|
|
|
|
def test_invalid_list_comprehension():
|
|
"""Ensure that invalid list comprehensions do not break the compiler"""
|
|
cant_compile("(genexpr x [])")
|
|
cant_compile("(genexpr [x [1 2 3 4]] x)")
|
|
cant_compile("(list-comp None [])")
|
|
cant_compile("(list-comp [x [1 2 3]] x)")
|
|
|
|
|
|
def test_bad_setv():
|
|
"""Ensure setv handles error cases"""
|
|
cant_compile("(setv (a b) [1 2])")
|
|
|
|
|
|
def test_defn():
|
|
"""Ensure that defn works correctly in various corner cases"""
|
|
cant_compile("(defn \"hy\" [] 1)")
|
|
cant_compile("(defn :hy [] 1)")
|
|
can_compile("(defn &hy [] 1)")
|
|
cant_compile('(defn hy "foo")')
|
|
|
|
|
|
def test_setv_builtins():
|
|
"""Ensure that assigning to a builtin fails, unless in a class"""
|
|
cant_compile("(setv None 42)")
|
|
can_compile("(defclass A [] (defn get [self] 42))")
|
|
can_compile("""
|
|
(defclass A []
|
|
(defn get [self] 42)
|
|
(defclass B []
|
|
(defn get [self] 42))
|
|
(defn if* [self] 0))
|
|
""")
|
|
|
|
|
|
def test_top_level_unquote():
|
|
with pytest.raises(HyTypeError) as excinfo:
|
|
can_compile("(unquote)")
|
|
assert excinfo.value.message == "The special form 'unquote' is not allowed here"
|
|
|
|
with pytest.raises(HyTypeError) as excinfo:
|
|
can_compile("(unquote-splice)")
|
|
assert excinfo.value.message == "The special form 'unquote-splice' is not allowed here"
|
|
|
|
|
|
def test_lots_of_comment_lines():
|
|
# https://github.com/hylang/hy/issues/1313
|
|
can_compile(1000 * ";\n")
|
|
|
|
|
|
def test_exec_star():
|
|
|
|
code = can_compile('(exec* "print(5)")').body[0]
|
|
assert type(code) == (ast.Expr if PY3 else ast.Exec)
|
|
if not PY3:
|
|
assert code.body.s == "print(5)"
|
|
assert code.globals is None
|
|
assert code.locals is None
|
|
|
|
code = can_compile('(exec* "print(a)" {"a" 3})').body[0]
|
|
assert type(code) == (ast.Expr if PY3 else ast.Exec)
|
|
if not PY3:
|
|
assert code.body.s == "print(a)"
|
|
assert code.globals.keys[0].s == "a"
|
|
assert code.locals is None
|
|
|
|
code = can_compile('(exec* "print(a + b)" {"a" "x"} {"b" "y"})').body[0]
|
|
assert type(code) == (ast.Expr if PY3 else ast.Exec)
|
|
if not PY3:
|
|
assert code.body.s == "print(a + b)"
|
|
assert code.globals.keys[0].s == "a"
|
|
assert code.locals.keys[0].s == "b"
|
|
|
|
|
|
def test_compiler_macro_tag_try():
|
|
"""Check that try forms within defmacro/deftag are compiled correctly"""
|
|
# https://github.com/hylang/hy/issues/1350
|
|
can_compile("(defmacro foo [] (try None (except [] None)) `())")
|
|
can_compile("(deftag foo [] (try None (except [] None)) `())")
|
|
|
|
|
|
@pytest.mark.skipif(not PY3, reason="Python 3 required")
|
|
def test_ast_good_yield_from():
|
|
"Make sure AST can compile valid yield-from"
|
|
can_compile("(yield-from [1 2])")
|
|
|
|
|
|
@pytest.mark.skipif(not PY3, reason="Python 3 required")
|
|
def test_ast_bad_yield_from():
|
|
"Make sure AST can't compile invalid yield-from"
|
|
cant_compile("(yield-from)")
|
|
|
|
|
|
def test_eval_generator_with_return():
|
|
"""Ensure generators with a return statement works."""
|
|
can_eval("(fn [] (yield 1) (yield 2) (return))")
|