Commit 4c11531e authored by Dag Sverre Seljebotn's avatar Dag Sverre Seljebotn

merge

parents a865879e fa9cca20
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from Cython.Compiler.Visitor import VisitorTransform, ScopeTrackingTransform, TreeVisitor
from Nodes import StatListNode, SingleAssignmentNode
from ExprNodes import (DictNode, DictItemNode, NameNode, UnicodeNode, NoneNode,
ExprNode, AttributeNode, ModuleRefNode, DocstringRefNode)
from PyrexTypes import py_object_type
from Builtin import dict_type
from StringEncoding import EncodedString
import Naming
class DoctestHackTransform(ScopeTrackingTransform):
# Handles doctesthack directive
def visit_ModuleNode(self, node):
self.scope_type = 'module'
self.scope_node = node
if self.current_directives['doctesthack']:
assert isinstance(node.body, StatListNode)
# First see if __test__ is already created
if u'__test__' in node.scope.entries:
# Do nothing
return node
pos = node.pos
self.tests = []
self.testspos = node.pos
test_dict_entry = node.scope.declare_var(EncodedString(u'__test__'),
py_object_type,
pos,
visibility='public')
create_test_dict_assignment = SingleAssignmentNode(pos,
lhs=NameNode(pos, name=EncodedString(u'__test__'),
entry=test_dict_entry),
rhs=DictNode(pos, key_value_pairs=self.tests))
self.visitchildren(node)
node.body.stats.append(create_test_dict_assignment)
return node
def add_test(self, testpos, name, func_ref_node):
# func_ref_node must evaluate to the function object containing
# the docstring, BUT it should not be the function itself (which
# would lead to a new *definition* of the function)
pos = self.testspos
keystr = u'%s (line %d)' % (name, testpos[1])
key = UnicodeNode(pos, value=EncodedString(keystr))
value = DocstringRefNode(pos, func_ref_node)
self.tests.append(DictItemNode(pos, key=key, value=value))
def visit_FuncDefNode(self, node):
if node.doc:
pos = self.testspos
if self.scope_type == 'module':
parent = ModuleRefNode(pos)
name = node.entry.name
elif self.scope_type in ('pyclass', 'cclass'):
mod = ModuleRefNode(pos)
if self.scope_type == 'pyclass':
clsname = self.scope_node.name
else:
clsname = self.scope_node.class_name
parent = AttributeNode(pos, obj=mod,
attribute=clsname,
type=py_object_type,
is_py_attr=True,
is_temp=True)
name = "%s.%s" % (clsname, node.entry.name)
getfunc = AttributeNode(pos, obj=parent,
attribute=node.entry.name,
type=py_object_type,
is_py_attr=True,
is_temp=True)
self.add_test(node.pos, name, getfunc)
return node
......@@ -10,7 +10,7 @@ debug_temp_code_comments = 0
debug_trace_code_generation = 0
# Do not replace exceptions with user-friendly error messages
debug_no_exception_intercept = 0
debug_no_exception_intercept = 1
# Print a message each time a new stage in the pipeline is entered
debug_verbose_pipeline = 0
......@@ -3501,6 +3501,8 @@ class DictNode(ExprNode):
# obj_conversion_errors [PyrexError] used internally
subexprs = ['key_value_pairs']
is_temp = 1
type = dict_type
def calculate_constant_result(self):
self.constant_result = dict([
......@@ -3516,12 +3518,10 @@ class DictNode(ExprNode):
def analyse_types(self, env):
hold_errors()
self.type = dict_type
for item in self.key_value_pairs:
item.analyse_types(env)
self.obj_conversion_errors = held_errors()
release_errors(ignore=True)
self.is_temp = 1
def coerce_to(self, dst_type, env):
if dst_type.is_pyobject:
......@@ -5484,6 +5484,44 @@ class CloneNode(CoercionNode):
pass
class ModuleRefNode(ExprNode):
# Simple returns the module object
type = py_object_type
is_temp = False
subexprs = []
def analyse_types(self, env):
pass
def calculate_result_code(self):
return Naming.module_cname
def generate_result_code(self, code):
pass
class DocstringRefNode(ExprNode):
# Extracts the docstring of the body element
subexprs = ['body']
type = py_object_type
is_temp = True
def __init__(self, pos, body):
ExprNode.__init__(self, pos)
assert body.type.is_pyobject
self.body = body
def analyse_types(self, env):
pass
def generate_result_code(self, code):
code.putln('%s = __Pyx_GetAttrString(%s, "__doc__");' %
(self.result(), self.body.result()))
code.put_gotref(self.result())
#------------------------------------------------------------------------------------
#
# Runtime support code
......
......@@ -88,6 +88,7 @@ class Context(object):
from ParseTreeTransforms import CreateClosureClasses, MarkClosureVisitor, DecoratorTransform
from ParseTreeTransforms import InterpretCompilerDirectives, TransformBuiltinMethods
from ParseTreeTransforms import AlignFunctionDefinitions, GilCheck
from AnalysedTreeTransforms import DoctestHackTransform
from AutoDocTransforms import EmbedSignature
from Optimize import FlattenInListTransform, SwitchTransform, IterationTransform
from Optimize import OptimizeBuiltinCalls, ConstantFolding, FinalOptimizePhase
......@@ -126,6 +127,7 @@ class Context(object):
WithTransform(self),
DecoratorTransform(self),
AnalyseDeclarationsTransform(self),
DoctestHackTransform(self),
EmbedSignature(self),
TransformBuiltinMethods(self),
IntroduceBufferAuxiliaryVars(self),
......
......@@ -68,6 +68,7 @@ option_defaults = {
'c99_complex' : False, # Don't use macro wrappers for complex arith, not sure what to name this...
'callspec' : "",
'profile': False,
'doctesthack': False
}
# Override types possibilities above, if needed
......@@ -77,6 +78,11 @@ for key, val in option_defaults.items():
if key not in option_types:
option_types[key] = type(val)
option_scopes = { # defaults to available everywhere
# 'module', 'function', 'class', 'with statement'
'doctesthack' : ('module',)
}
def parse_option_value(name, value):
"""
Parses value as an option value for the given name and returns
......
......@@ -338,14 +338,26 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
self.cython_module_names = set()
self.option_names = {}
def check_directive_scope(self, pos, directive, scope):
legal_scopes = Options.option_scopes.get(directive, None)
if legal_scopes and scope not in legal_scopes:
self.context.nonfatal_error(PostParseError(pos, 'The %s compiler directive '
'is not allowed in %s scope' % (directive, scope)))
return False
else:
return True
# Set up processing and handle the cython: comments.
def visit_ModuleNode(self, node):
options = copy.copy(Options.option_defaults)
for key, value in self.compilation_option_overrides.iteritems():
if not self.check_directive_scope(node.pos, key, 'module'):
self.wrong_scope_error(node.pos, key, 'module')
del self.compilation_option_overrides[key]
continue
if key in node.option_comments and node.option_comments[key] != value:
warning(node.pos, "Compiler directive differs between environment and file header; this will change "
"in Cython 0.12. See http://article.gmane.org/gmane.comp.python.cython.devel/5233", 2)
break
options.update(node.option_comments)
options.update(self.compilation_option_overrides)
self.options = options
......@@ -465,7 +477,6 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
# Handle decorators
def visit_FuncDefNode(self, node):
options = []
if node.decorators:
# Split the decorators into two lists -- real decorators and options
realdecs = []
......@@ -485,6 +496,9 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
options.reverse() # Decorators coming first take precedence
for option in options:
name, value = option
legal_scopes = Options.option_scopes.get(name, None)
if not self.check_directive_scope(node.pos, name, 'function'):
continue
if name in optdict and isinstance(optdict[name], dict):
# only keywords can be merged, everything else
# overrides completely
......@@ -503,7 +517,9 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
if option is not None and option[0] == u'locals':
node.directive_locals = option[1]
else:
raise PostParseError(dec.pos, "Cdef functions can only take cython.locals() decorator.")
self.context.nonfatal_error(PostParseError(dec.pos,
"Cdef functions can only take cython.locals() decorator."))
continue
return node
# Handle with statements
......@@ -511,10 +527,12 @@ class InterpretCompilerDirectives(CythonTransform, SkipDeclarations):
option = self.try_to_parse_option(node.manager)
if option is not None:
if node.target is not None:
raise PostParseError(node.pos, "Compiler option with statements cannot contain 'as'")
self.context.nonfatal_error(
PostParseError(node.pos, "Compiler option with statements cannot contain 'as'"))
else:
name, value = option
if self.check_directive_scope(node.pos, name, 'with statement'):
return self.visit_with_options(node.body, {name:value})
else:
return self.visit_Node(node)
class WithTransform(CythonTransform, SkipDeclarations):
......
......@@ -250,6 +250,9 @@ class VisitorTransform(TreeVisitor):
class CythonTransform(VisitorTransform):
"""
Certain common conventions and utilitues for Cython transforms.
- Sets up the context of the pipeline in self.context
- Tracks directives in effect in self.current_directives
"""
def __init__(self, context):
super(CythonTransform, self).__init__()
......@@ -272,6 +275,37 @@ class CythonTransform(VisitorTransform):
self.visitchildren(node)
return node
class ScopeTrackingTransform(CythonTransform):
# Keeps track of type of scopes
scope_type = None # can be either of 'module', 'function', 'cclass', 'pyclass'
scope_node = None
def visit_ModuleNode(self, node):
self.scope_type = 'module'
self.scope_node = node
self.visitchildren(node)
return node
def visit_scope(self, node, scope_type):
prev = self.scope_type, self.scope_node
self.scope_type = scope_type
self.scope_node = node
self.visitchildren(node)
self.scope_type, self.scope_node = prev
return node
def visit_CClassDefNode(self, node):
return self.visit_scope(node, 'cclass')
def visit_PyClassDefNode(self, node):
return self.visit_scope(node, 'pyclass')
def visit_FuncDefNode(self, node):
return self.visit_scope(node, 'function')
def visit_CStructOrUnionDefNode(self, node):
return self.visit_scope(node, 'struct')
......
cimport cython
@cython.doctesthack(False)
def foo():
pass
_ERRORS = u"""
4:0: The doctesthack compiler directive is not allowed in function scope
"""
#cython: doctesthack=True
"""
Tests doctesthack compiler directive.
The doctests are actually run as part of this test;
which makes the test flow a bit untraditional. Both
module test and individual tests are run; finally,
all_tests_run() is executed which does final validation.
>>> items = __test__.items()
>>> items.sort()
>>> for key, value in items:
... print key, ';', value
MyCdefClass.method (line 67) ; >>> add_log("cdef class method")
MyClass.method (line 57) ; >>> add_log("class method")
doc_without_test (line 39) ; Some docs
mycpdeffunc (line 45) ; >>> add_log("cpdef")
myfunc (line 36) ; >>> add_log("def")
"""
log = []
def all_tests_run():
log.sort()
assert log == [u'cdef class method', u'class method', u'cpdef', u'def'], log
def add_log(s):
log.append(unicode(s))
if len(log) == len(__test__):
# Final per-function doctest executed
all_tests_run()
def myfunc():
""">>> add_log("def")"""
def doc_without_test():
"""Some docs"""
def nodocstring():
pass
cpdef mycpdeffunc():
""">>> add_log("cpdef")"""
class MyClass:
"""
Needs no hack
>>> True
True
"""
def method(self):
""">>> add_log("class method")"""
cdef class MyCdefClass:
"""
Needs no hack
>>> True
True
"""
def method(self):
""">>> add_log("cdef class method")"""
#cython: doctesthack=True
"""
Tests that doctesthack doesn't come into effect when
a __test__ is defined manually.
If this doesn't work, then the function doctest should fail.
>>> True
True
"""
def func():
"""
>>> True
False
"""
__test__ = {
u"one" : """
>>> True
True
"""
}
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