def PyrexCompile ( Errors, Main, source, pxddirectories = None ):
"""Convert a Pyrex file to C."""
options = Main.default_options
# . Change for Pyrex version 0.9.6: options is now a dictionary not a CompilationOptions object so convert to a CompilationOptions object.
if isinstance ( options, dict ): options = Main.CompilationOptions ( options )
if pxddirectories is not None: options.include_path.extend ( pxddirectories )
context = Main.Context ( options.include_path )
try:
result = context.compile ( source, options )
QFAILURE = ( result.num_errors > 0 )
except Errors.PyrexError, e:
print >>sys.stderr, e
QFAILURE = True
def PyrexCompile ( Errors, Main, source, pxdDirectories = None ):
"""Convert a Pyrex file to C."""
options = Main.default_options
# . Change for Pyrex version 0.9.6: options is now a dictionary not a CompilationOptions object so convert to a CompilationOptions object.
if isinstance ( options, dict ): options = Main.CompilationOptions ( options )
if pxdDirectories is not None: options.include_path.extend ( pxdDirectories )
context = Main.Context ( options.include_path, {} )
try:
result = Main.compile ( source, options )
failed = ( result.num_errors > 0 )
except Errors.PyrexError as e:
print ( e )
failed = True
if failed: raise ValueError ( "There was a Pyrex compiler error." )
def parser(module):
""" Read, parse a Cython code and generate an abstract syntaxique tree.
Context: Compilation context: contains every pxd ever loaded, path information and the data related to the compilation.
Class where it is implemented Cython parse method.
options: To set Compilation Options as
language_level: The source language level to use,
formal_grammar: to define if it will be used to Parse the file
evaluate_tree_assertions: To evaluate parse tree
show_version : To display version number
use_listing_file: Generate a .lis file
errors_to_stderr: Echo errors to stderr when using .lis
include_path: Directories to search for include files
output_file: Name of generated .c file
generate_pxi: Generate .pxi file for public declarations
capi_reexport_cincludes: Add cincluded headers to any auto-generated header files.
timestamps: Only compile changed source files
verbose : Always print source names being compiled
compiler_directives: Overrides for pragma options (see Options.py)
embedded_metadata: Metadata to embed in the C file as json.
evaluate_tree_assertions: Test support: evaluate parse tree assertions
cplus : Compile as c++ code
Here default options were used except language level
Scanning.FileSourceDescriptor: Represents a code source. Only file sources for Cython code supported
"""
options = opt(**options_defaults)
if isinstance(module, Path):
context = Main.Context([os.path.dirname(module)], {},
cpp=False,
language_level=2,
options=options)
scope = context.find_submodule(module)
with open(module.encode('utf-8'), 'r') as f:
source = f.read()
source_desc = Scanning.FileSourceDescriptor(module, source)
tree = context.parse(source_desc,
scope,
pxd=None,
full_module_name=module)
else:
from Cython.Compiler.TreeFragment import parse_from_strings
if sys.version_info[0] < 3: module = unicode(module)
tree = parse_from_strings("module", module)
return tree
