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ModuleNode.py
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ModuleNode.py
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#
# Pyrex - Module parse tree node
#
import os, time
from PyrexTypes import CPtrType
import Future
try:
set
except NameError: # Python 2.3
from sets import Set as set
import Annotate
import Code
import Naming
import Nodes
import Options
import PyrexTypes
import TypeSlots
import Version
import DebugFlags
from Errors import error, warning
from PyrexTypes import py_object_type
from Cython.Utils import open_new_file, replace_suffix
from Code import UtilityCode
from StringEncoding import escape_byte_string, EncodedString
def check_c_declarations_pxd(module_node):
module_node.scope.check_c_classes_pxd()
return module_node
def check_c_declarations(module_node):
module_node.scope.check_c_classes()
module_node.scope.check_c_functions()
return module_node
class ModuleNode(Nodes.Node, Nodes.BlockNode):
# doc string or None
# body StatListNode
#
# referenced_modules [ModuleScope]
# full_module_name string
#
# scope The module scope.
# compilation_source A CompilationSource (see Main)
# directives Top-level compiler directives
child_attrs = ["body"]
directives = None
def analyse_declarations(self, env):
if Options.embed_pos_in_docstring:
env.doc = EncodedString(u'File: %s (starting at line %s)' % Nodes.relative_position(self.pos))
if not self.doc is None:
env.doc = EncodedString(env.doc + u'\n' + self.doc)
env.doc.encoding = self.doc.encoding
else:
env.doc = self.doc
env.directives = self.directives
self.body.analyse_declarations(env)
def process_implementation(self, options, result):
env = self.scope
env.return_type = PyrexTypes.c_void_type
self.referenced_modules = []
self.find_referenced_modules(env, self.referenced_modules, {})
if options.recursive:
self.generate_dep_file(env, result)
self.generate_c_code(env, options, result)
self.generate_h_code(env, options, result)
self.generate_api_code(env, result)
def has_imported_c_functions(self):
for module in self.referenced_modules:
for entry in module.cfunc_entries:
if entry.defined_in_pxd:
return 1
return 0
def generate_dep_file(self, env, result):
modules = self.referenced_modules
if len(modules) > 1 or env.included_files:
dep_file = replace_suffix(result.c_file, ".dep")
f = open(dep_file, "w")
try:
for module in modules:
if module is not env:
f.write("cimport %s\n" % module.qualified_name)
for path in module.included_files:
f.write("include %s\n" % path)
finally:
f.close()
def generate_h_code(self, env, options, result):
def h_entries(entries, pxd = 0):
return [entry for entry in entries
if entry.visibility == 'public' or pxd and entry.defined_in_pxd]
h_types = h_entries(env.type_entries)
h_vars = h_entries(env.var_entries)
h_funcs = h_entries(env.cfunc_entries)
h_extension_types = h_entries(env.c_class_entries)
if h_types or h_vars or h_funcs or h_extension_types:
result.h_file = replace_suffix(result.c_file, ".h")
h_code = Code.CCodeWriter()
Code.GlobalState(h_code)
if options.generate_pxi:
result.i_file = replace_suffix(result.c_file, ".pxi")
i_code = Code.PyrexCodeWriter(result.i_file)
else:
i_code = None
guard = Naming.h_guard_prefix + env.qualified_name.replace(".", "__")
h_code.put_h_guard(guard)
self.generate_extern_c_macro_definition(h_code)
self.generate_type_header_code(h_types, h_code)
h_code.putln("")
h_code.putln("#ifndef %s" % Naming.api_guard_prefix + self.api_name(env))
if h_vars:
h_code.putln("")
for entry in h_vars:
self.generate_public_declaration(entry, h_code, i_code)
if h_funcs:
h_code.putln("")
for entry in h_funcs:
self.generate_public_declaration(entry, h_code, i_code)
if h_extension_types:
h_code.putln("")
for entry in h_extension_types:
self.generate_cclass_header_code(entry.type, h_code)
if i_code:
self.generate_cclass_include_code(entry.type, i_code)
h_code.putln("")
h_code.putln("#endif")
h_code.putln("")
h_code.putln("PyMODINIT_FUNC init%s(void);" % env.module_name)
h_code.putln("")
h_code.putln("#endif")
h_code.copyto(open_new_file(result.h_file))
def generate_public_declaration(self, entry, h_code, i_code):
h_code.putln("%s %s;" % (
Naming.extern_c_macro,
entry.type.declaration_code(
entry.cname, dll_linkage = "DL_IMPORT")))
if i_code:
i_code.putln("cdef extern %s" %
entry.type.declaration_code(entry.cname, pyrex = 1))
def api_name(self, env):
return env.qualified_name.replace(".", "__")
def generate_api_code(self, env, result):
api_funcs = []
public_extension_types = []
has_api_extension_types = 0
for entry in env.cfunc_entries:
if entry.api:
api_funcs.append(entry)
for entry in env.c_class_entries:
if entry.visibility == 'public':
public_extension_types.append(entry)
if entry.api:
has_api_extension_types = 1
if api_funcs or has_api_extension_types:
result.api_file = replace_suffix(result.c_file, "_api.h")
h_code = Code.CCodeWriter()
Code.GlobalState(h_code)
name = self.api_name(env)
guard = Naming.api_guard_prefix + name
h_code.put_h_guard(guard)
h_code.putln('#include "Python.h"')
if result.h_file:
h_code.putln('#include "%s"' % os.path.basename(result.h_file))
for entry in public_extension_types:
type = entry.type
h_code.putln("")
h_code.putln("static PyTypeObject *%s;" % type.typeptr_cname)
h_code.putln("#define %s (*%s)" % (
type.typeobj_cname, type.typeptr_cname))
if api_funcs:
h_code.putln("")
for entry in api_funcs:
type = CPtrType(entry.type)
h_code.putln("static %s;" % type.declaration_code(entry.cname))
h_code.putln("")
h_code.put_h_guard(Naming.api_func_guard + "import_module")
h_code.put(import_module_utility_code.impl)
h_code.putln("")
h_code.putln("#endif")
if api_funcs:
h_code.putln("")
h_code.put(function_import_utility_code.impl)
if public_extension_types:
h_code.putln("")
h_code.put(type_import_utility_code.impl)
h_code.putln("")
h_code.putln("static int import_%s(void) {" % name)
h_code.putln("PyObject *module = 0;")
h_code.putln('module = __Pyx_ImportModule("%s");' % env.qualified_name)
h_code.putln("if (!module) goto bad;")
for entry in api_funcs:
sig = entry.type.signature_string()
h_code.putln(
'if (__Pyx_ImportFunction(module, "%s", (void (**)(void))&%s, "%s") < 0) goto bad;' % (
entry.name,
entry.cname,
sig))
h_code.putln("Py_DECREF(module); module = 0;")
for entry in public_extension_types:
self.generate_type_import_call(
entry.type, h_code,
"if (!%s) goto bad;" % entry.type.typeptr_cname)
h_code.putln("return 0;")
h_code.putln("bad:")
h_code.putln("Py_XDECREF(module);")
h_code.putln("return -1;")
h_code.putln("}")
h_code.putln("")
h_code.putln("#endif")
h_code.copyto(open_new_file(result.api_file))
def generate_cclass_header_code(self, type, h_code):
h_code.putln("%s DL_IMPORT(PyTypeObject) %s;" % (
Naming.extern_c_macro,
type.typeobj_cname))
def generate_cclass_include_code(self, type, i_code):
i_code.putln("cdef extern class %s.%s:" % (
type.module_name, type.name))
i_code.indent()
var_entries = type.scope.var_entries
if var_entries:
for entry in var_entries:
i_code.putln("cdef %s" %
entry.type.declaration_code(entry.cname, pyrex = 1))
else:
i_code.putln("pass")
i_code.dedent()
def generate_c_code(self, env, options, result):
modules = self.referenced_modules
if Options.annotate or options.annotate:
emit_linenums = False
rootwriter = Annotate.AnnotationCCodeWriter()
else:
emit_linenums = options.emit_linenums
rootwriter = Code.CCodeWriter(emit_linenums=emit_linenums)
globalstate = Code.GlobalState(rootwriter, emit_linenums)
globalstate.initialize_main_c_code()
h_code = globalstate['h_code']
self.generate_module_preamble(env, modules, h_code)
globalstate.module_pos = self.pos
globalstate.directives = self.directives
globalstate.use_utility_code(refnanny_utility_code)
code = globalstate['before_global_var']
code.putln('#define __Pyx_MODULE_NAME "%s"' % self.full_module_name)
code.putln("int %s%s = 0;" % (Naming.module_is_main, self.full_module_name.replace('.', '__')))
code.putln("")
code.putln("/* Implementation of %s */" % env.qualified_name)
code = globalstate['all_the_rest']
self.generate_cached_builtins_decls(env, code)
# generate lambda function definitions
for node in env.lambda_defs:
node.generate_function_definitions(env, code)
# generate normal function definitions
self.body.generate_function_definitions(env, code)
code.mark_pos(None)
self.generate_typeobj_definitions(env, code)
self.generate_method_table(env, code)
if env.has_import_star:
self.generate_import_star(env, code)
self.generate_pymoduledef_struct(env, code)
# init_globals is inserted before this
self.generate_module_init_func(modules[:-1], env, globalstate['init_module'])
self.generate_module_cleanup_func(env, globalstate['cleanup_module'])
if Options.embed:
self.generate_main_method(env, globalstate['main_method'])
self.generate_filename_table(globalstate['filename_table'])
self.generate_declarations_for_modules(env, modules, globalstate)
h_code.write('\n')
for utilcode in env.utility_code_list:
globalstate.use_utility_code(utilcode)
globalstate.finalize_main_c_code()
f = open_new_file(result.c_file)
rootwriter.copyto(f)
f.close()
result.c_file_generated = 1
if Options.annotate or options.annotate:
self.annotate(rootwriter)
rootwriter.save_annotation(result.main_source_file, result.c_file)
def find_referenced_modules(self, env, module_list, modules_seen):
if env not in modules_seen:
modules_seen[env] = 1
for imported_module in env.cimported_modules:
self.find_referenced_modules(imported_module, module_list, modules_seen)
module_list.append(env)
def sort_types_by_inheritance(self, type_dict, getkey):
# copy the types into a list moving each parent type before
# its first child
type_items = type_dict.items()
type_list = []
for i, item in enumerate(type_items):
key, new_entry = item
# collect all base classes to check for children
hierarchy = set()
base = new_entry
while base:
base_type = base.type.base_type
if not base_type:
break
base_key = getkey(base_type)
hierarchy.add(base_key)
base = type_dict.get(base_key)
new_entry.base_keys = hierarchy
# find the first (sub-)subclass and insert before that
for j in range(i):
entry = type_list[j]
if key in entry.base_keys:
type_list.insert(j, new_entry)
break
else:
type_list.append(new_entry)
return type_list
def sort_type_hierarchy(self, module_list, env):
vtab_dict = {}
vtabslot_dict = {}
for module in module_list:
for entry in module.c_class_entries:
if not entry.in_cinclude:
type = entry.type
if type.vtabstruct_cname:
vtab_dict[type.vtabstruct_cname] = entry
all_defined_here = module is env
for entry in module.type_entries:
if all_defined_here or entry.defined_in_pxd:
type = entry.type
if type.is_extension_type and not entry.in_cinclude:
type = entry.type
vtabslot_dict[type.objstruct_cname] = entry
def vtabstruct_cname(entry_type):
return entry_type.vtabstruct_cname
vtab_list = self.sort_types_by_inheritance(
vtab_dict, vtabstruct_cname)
def objstruct_cname(entry_type):
return entry_type.objstruct_cname
vtabslot_list = self.sort_types_by_inheritance(
vtabslot_dict, objstruct_cname)
return (vtab_list, vtabslot_list)
def generate_type_definitions(self, env, modules, vtab_list, vtabslot_list, code):
vtabslot_entries = set(vtabslot_list)
for module in modules:
definition = module is env
if definition:
type_entries = module.type_entries
else:
type_entries = []
for entry in module.type_entries:
if entry.defined_in_pxd:
type_entries.append(entry)
for entry in type_entries:
if not entry.in_cinclude:
#print "generate_type_header_code:", entry.name, repr(entry.type) ###
type = entry.type
if type.is_typedef: # Must test this first!
self.generate_typedef(entry, code)
elif type.is_struct_or_union:
self.generate_struct_union_definition(entry, code)
elif type.is_enum:
self.generate_enum_definition(entry, code)
elif type.is_extension_type and entry not in vtabslot_entries:
self.generate_objstruct_definition(type, code)
for entry in vtabslot_list:
self.generate_objstruct_definition(entry.type, code)
for entry in vtab_list:
self.generate_typeobject_predeclaration(entry, code)
self.generate_exttype_vtable_struct(entry, code)
self.generate_exttype_vtabptr_declaration(entry, code)
def generate_declarations_for_modules(self, env, modules, globalstate):
typecode = globalstate['type_declarations']
typecode.putln("")
typecode.putln("/* Type declarations */")
vtab_list, vtabslot_list = self.sort_type_hierarchy(modules, env)
self.generate_type_definitions(
env, modules, vtab_list, vtabslot_list, typecode)
modulecode = globalstate['module_declarations']
for module in modules:
defined_here = module is env
modulecode.putln("/* Module declarations from %s */" %
module.qualified_name)
self.generate_global_declarations(module, modulecode, defined_here)
self.generate_cfunction_predeclarations(module, modulecode, defined_here)
def generate_module_preamble(self, env, cimported_modules, code):
code.putln("/* Generated by Cython %s on %s */" % (
Version.version, time.asctime()))
code.putln("")
code.putln("#define PY_SSIZE_T_CLEAN")
for filename in env.python_include_files:
code.putln('#include "%s"' % filename)
code.putln("#ifndef Py_PYTHON_H")
code.putln(" #error Python headers needed to compile C extensions, please install development version of Python.")
code.putln("#else")
code.globalstate["end"].putln("#endif /* Py_PYTHON_H */")
code.put("""
#include <stddef.h> /* For offsetof */
#ifndef offsetof
#define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
#endif
#if !defined(WIN32) && !defined(MS_WINDOWS)
#ifndef __stdcall
#define __stdcall
#endif
#ifndef __cdecl
#define __cdecl
#endif
#ifndef __fastcall
#define __fastcall
#endif
#endif
#ifndef DL_IMPORT
#define DL_IMPORT(t) t
#endif
#ifndef DL_EXPORT
#define DL_EXPORT(t) t
#endif
#ifndef PY_LONG_LONG
#define PY_LONG_LONG LONG_LONG
#endif
#if PY_VERSION_HEX < 0x02040000
#define METH_COEXIST 0
#define PyDict_CheckExact(op) (Py_TYPE(op) == &PyDict_Type)
#define PyDict_Contains(d,o) PySequence_Contains(d,o)
#endif
#if PY_VERSION_HEX < 0x02050000
typedef int Py_ssize_t;
#define PY_SSIZE_T_MAX INT_MAX
#define PY_SSIZE_T_MIN INT_MIN
#define PY_FORMAT_SIZE_T \"\"
#define PyInt_FromSsize_t(z) PyInt_FromLong(z)
#define PyInt_AsSsize_t(o) PyInt_AsLong(o)
#define PyNumber_Index(o) PyNumber_Int(o)
#define PyIndex_Check(o) PyNumber_Check(o)
#define PyErr_WarnEx(category, message, stacklevel) PyErr_Warn(category, message)
#endif
#if PY_VERSION_HEX < 0x02060000
#define Py_REFCNT(ob) (((PyObject*)(ob))->ob_refcnt)
#define Py_TYPE(ob) (((PyObject*)(ob))->ob_type)
#define Py_SIZE(ob) (((PyVarObject*)(ob))->ob_size)
#define PyVarObject_HEAD_INIT(type, size) \\
PyObject_HEAD_INIT(type) size,
#define PyType_Modified(t)
typedef struct {
void *buf;
PyObject *obj;
Py_ssize_t len;
Py_ssize_t itemsize;
int readonly;
int ndim;
char *format;
Py_ssize_t *shape;
Py_ssize_t *strides;
Py_ssize_t *suboffsets;
void *internal;
} Py_buffer;
#define PyBUF_SIMPLE 0
#define PyBUF_WRITABLE 0x0001
#define PyBUF_FORMAT 0x0004
#define PyBUF_ND 0x0008
#define PyBUF_STRIDES (0x0010 | PyBUF_ND)
#define PyBUF_C_CONTIGUOUS (0x0020 | PyBUF_STRIDES)
#define PyBUF_F_CONTIGUOUS (0x0040 | PyBUF_STRIDES)
#define PyBUF_ANY_CONTIGUOUS (0x0080 | PyBUF_STRIDES)
#define PyBUF_INDIRECT (0x0100 | PyBUF_STRIDES)
#endif
#if PY_MAJOR_VERSION < 3
#define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
#else
#define __Pyx_BUILTIN_MODULE_NAME "builtins"
#endif
#if PY_MAJOR_VERSION >= 3
#define Py_TPFLAGS_CHECKTYPES 0
#define Py_TPFLAGS_HAVE_INDEX 0
#endif
#if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
#define Py_TPFLAGS_HAVE_NEWBUFFER 0
#endif
#if PY_MAJOR_VERSION >= 3
#define PyBaseString_Type PyUnicode_Type
#define PyStringObject PyUnicodeObject
#define PyString_Type PyUnicode_Type
#define PyString_Check PyUnicode_Check
#define PyString_CheckExact PyUnicode_CheckExact
#endif
#if PY_VERSION_HEX < 0x02060000
#define PyBytesObject PyStringObject
#define PyBytes_Type PyString_Type
#define PyBytes_Check PyString_Check
#define PyBytes_CheckExact PyString_CheckExact
#define PyBytes_FromString PyString_FromString
#define PyBytes_FromStringAndSize PyString_FromStringAndSize
#define PyBytes_FromFormat PyString_FromFormat
#define PyBytes_DecodeEscape PyString_DecodeEscape
#define PyBytes_AsString PyString_AsString
#define PyBytes_AsStringAndSize PyString_AsStringAndSize
#define PyBytes_Size PyString_Size
#define PyBytes_AS_STRING PyString_AS_STRING
#define PyBytes_GET_SIZE PyString_GET_SIZE
#define PyBytes_Repr PyString_Repr
#define PyBytes_Concat PyString_Concat
#define PyBytes_ConcatAndDel PyString_ConcatAndDel
#define PySet_Check(obj) PyObject_TypeCheck(obj, &PySet_Type)
#define PyFrozenSet_Check(obj) PyObject_TypeCheck(obj, &PyFrozenSet_Type)
#endif
#ifndef PySet_CheckExact
# define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type)
#endif
#if PY_MAJOR_VERSION >= 3
#define PyInt_Type PyLong_Type
#define PyInt_Check(op) PyLong_Check(op)
#define PyInt_CheckExact(op) PyLong_CheckExact(op)
#define PyInt_FromString PyLong_FromString
#define PyInt_FromUnicode PyLong_FromUnicode
#define PyInt_FromLong PyLong_FromLong
#define PyInt_FromSize_t PyLong_FromSize_t
#define PyInt_FromSsize_t PyLong_FromSsize_t
#define PyInt_AsLong PyLong_AsLong
#define PyInt_AS_LONG PyLong_AS_LONG
#define PyInt_AsSsize_t PyLong_AsSsize_t
#define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask
#define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
#endif
#if PY_MAJOR_VERSION >= 3
#define PyBoolObject PyLongObject
#endif
""")
code.put("""
#if PY_MAJOR_VERSION >= 3
#define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y)
#define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y)
#else
""")
if Future.division in env.context.future_directives:
code.putln(" #define __Pyx_PyNumber_Divide(x,y) PyNumber_TrueDivide(x,y)")
code.putln(" #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceTrueDivide(x,y)")
else:
code.putln(" #define __Pyx_PyNumber_Divide(x,y) PyNumber_Divide(x,y)")
code.putln(" #define __Pyx_PyNumber_InPlaceDivide(x,y) PyNumber_InPlaceDivide(x,y)")
code.putln("#endif")
code.put("""
#if PY_MAJOR_VERSION >= 3
#define PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : PyInstanceMethod_New(func))
#endif
#if PY_VERSION_HEX < 0x02050000
#define __Pyx_GetAttrString(o,n) PyObject_GetAttrString((o),((char *)(n)))
#define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),((char *)(n)),(a))
#define __Pyx_DelAttrString(o,n) PyObject_DelAttrString((o),((char *)(n)))
#else
#define __Pyx_GetAttrString(o,n) PyObject_GetAttrString((o),(n))
#define __Pyx_SetAttrString(o,n,a) PyObject_SetAttrString((o),(n),(a))
#define __Pyx_DelAttrString(o,n) PyObject_DelAttrString((o),(n))
#endif
#if PY_VERSION_HEX < 0x02050000
#define __Pyx_NAMESTR(n) ((char *)(n))
#define __Pyx_DOCSTR(n) ((char *)(n))
#else
#define __Pyx_NAMESTR(n) (n)
#define __Pyx_DOCSTR(n) (n)
#endif
""")
code.putln("")
self.generate_extern_c_macro_definition(code)
code.putln("")
code.putln("#if defined(WIN32) || defined(MS_WINDOWS)")
code.putln("#define _USE_MATH_DEFINES")
code.putln("#endif")
code.putln("#include <math.h>")
code.putln("#define %s" % Naming.api_guard_prefix + self.api_name(env))
self.generate_includes(env, cimported_modules, code)
if env.directives['ccomplex']:
code.putln("")
code.putln("#if !defined(CYTHON_CCOMPLEX)")
code.putln("#define CYTHON_CCOMPLEX 1")
code.putln("#endif")
code.putln("")
code.put(Nodes.utility_function_predeclarations)
code.put(PyrexTypes.type_conversion_predeclarations)
code.put(Nodes.branch_prediction_macros)
code.putln('')
code.putln('static PyObject *%s;' % env.module_cname)
code.putln('static PyObject *%s;' % Naming.builtins_cname)
code.putln('static PyObject *%s;' % Naming.empty_tuple)
code.putln('static PyObject *%s;' % Naming.empty_bytes)
if Options.pre_import is not None:
code.putln('static PyObject *%s;' % Naming.preimport_cname)
code.putln('static int %s;' % Naming.lineno_cname)
code.putln('static int %s = 0;' % Naming.clineno_cname)
code.putln('static const char * %s= %s;' % (Naming.cfilenm_cname, Naming.file_c_macro))
code.putln('static const char *%s;' % Naming.filename_cname)
# XXX this is a mess
for utility_code in PyrexTypes.c_int_from_py_function.specialize_list:
env.use_utility_code(utility_code)
for utility_code in PyrexTypes.c_long_from_py_function.specialize_list:
env.use_utility_code(utility_code)
def generate_extern_c_macro_definition(self, code):
name = Naming.extern_c_macro
code.putln("#ifdef __cplusplus")
code.putln('#define %s extern "C"' % name)
code.putln("#else")
code.putln("#define %s extern" % name)
code.putln("#endif")
def generate_includes(self, env, cimported_modules, code):
includes = []
for filename in env.include_files:
byte_decoded_filenname = str(filename)
if byte_decoded_filenname[0] == '<' and byte_decoded_filenname[-1] == '>':
code.putln('#include %s' % byte_decoded_filenname)
else:
code.putln('#include "%s"' % byte_decoded_filenname)
def generate_filename_table(self, code):
code.putln("")
code.putln("static const char *%s[] = {" % Naming.filetable_cname)
if code.globalstate.filename_list:
for source_desc in code.globalstate.filename_list:
filename = os.path.basename(source_desc.get_filenametable_entry())
escaped_filename = filename.replace("\\", "\\\\").replace('"', r'\"')
code.putln('"%s",' % escaped_filename)
else:
# Some C compilers don't like an empty array
code.putln("0")
code.putln("};")
def generate_type_predeclarations(self, env, code):
pass
def generate_type_header_code(self, type_entries, code):
# Generate definitions of structs/unions/enums/typedefs/objstructs.
#self.generate_gcc33_hack(env, code) # Is this still needed?
#for entry in env.type_entries:
for entry in type_entries:
if not entry.in_cinclude:
#print "generate_type_header_code:", entry.name, repr(entry.type) ###
type = entry.type
if type.is_typedef: # Must test this first!
self.generate_typedef(entry, code)
elif type.is_struct_or_union:
self.generate_struct_union_definition(entry, code)
elif type.is_enum:
self.generate_enum_definition(entry, code)
elif type.is_extension_type:
self.generate_objstruct_definition(type, code)
def generate_gcc33_hack(self, env, code):
# Workaround for spurious warning generation in gcc 3.3
code.putln("")
for entry in env.c_class_entries:
type = entry.type
if not type.typedef_flag:
name = type.objstruct_cname
if name.startswith("__pyx_"):
tail = name[6:]
else:
tail = name
code.putln("typedef struct %s __pyx_gcc33_%s;" % (
name, tail))
def generate_typedef(self, entry, code):
base_type = entry.type.typedef_base_type
if base_type.is_numeric:
writer = code.globalstate['numeric_typedefs']
else:
writer = code
writer.putln("")
writer.putln("typedef %s;" % base_type.declaration_code(entry.cname))
def sue_header_footer(self, type, kind, name):
if type.typedef_flag:
header = "typedef %s {" % kind
footer = "} %s;" % name
else:
header = "%s %s {" % (kind, name)
footer = "};"
return header, footer
def generate_struct_union_definition(self, entry, code):
code.mark_pos(entry.pos)
type = entry.type
scope = type.scope
if scope:
kind = type.kind
packed = type.is_struct and type.packed
if packed:
kind = "%s %s" % (type.kind, "__Pyx_PACKED")
code.globalstate.use_utility_code(packed_struct_utility_code)
header, footer = \
self.sue_header_footer(type, kind, type.cname)
code.putln("")
if packed:
code.putln("#if !defined(__GNUC__)")
code.putln("#pragma pack(push, 1)")
code.putln("#endif")
code.putln(header)
var_entries = scope.var_entries
if not var_entries:
error(entry.pos,
"Empty struct or union definition not allowed outside a"
" 'cdef extern from' block")
for attr in var_entries:
code.putln(
"%s;" %
attr.type.declaration_code(attr.cname))
code.putln(footer)
if packed:
code.putln("#if !defined(__GNUC__)")
code.putln("#pragma pack(pop)")
code.putln("#endif")
def generate_enum_definition(self, entry, code):
code.mark_pos(entry.pos)
type = entry.type
name = entry.cname or entry.name or ""
header, footer = \
self.sue_header_footer(type, "enum", name)
code.putln("")
code.putln(header)
enum_values = entry.enum_values
if not enum_values:
error(entry.pos,
"Empty enum definition not allowed outside a"
" 'cdef extern from' block")
else:
last_entry = enum_values[-1]
# this does not really generate code, just builds the result value
for value_entry in enum_values:
if value_entry.value_node is not None:
value_entry.value_node.generate_evaluation_code(code)
for value_entry in enum_values:
if value_entry.value_node is None:
value_code = value_entry.cname
else:
value_code = ("%s = %s" % (
value_entry.cname,
value_entry.value_node.result()))
if value_entry is not last_entry:
value_code += ","
code.putln(value_code)
code.putln(footer)
def generate_typeobject_predeclaration(self, entry, code):
code.putln("")
name = entry.type.typeobj_cname
if name:
if entry.visibility == 'extern' and not entry.in_cinclude:
code.putln("%s DL_IMPORT(PyTypeObject) %s;" % (
Naming.extern_c_macro,
name))
elif entry.visibility == 'public':
#code.putln("DL_EXPORT(PyTypeObject) %s;" % name)
code.putln("%s DL_EXPORT(PyTypeObject) %s;" % (
Naming.extern_c_macro,
name))
# ??? Do we really need the rest of this? ???
#else:
# code.putln("staticforward PyTypeObject %s;" % name)
def generate_exttype_vtable_struct(self, entry, code):
code.mark_pos(entry.pos)
# Generate struct declaration for an extension type's vtable.
type = entry.type
scope = type.scope
if type.vtabstruct_cname:
code.putln("")
code.putln(
"struct %s {" %
type.vtabstruct_cname)
if type.base_type and type.base_type.vtabstruct_cname:
code.putln("struct %s %s;" % (
type.base_type.vtabstruct_cname,
Naming.obj_base_cname))
for method_entry in scope.cfunc_entries:
if not method_entry.is_inherited:
code.putln(
"%s;" % method_entry.type.declaration_code("(*%s)" % method_entry.name))
code.putln(
"};")
def generate_exttype_vtabptr_declaration(self, entry, code):
code.mark_pos(entry.pos)
# Generate declaration of pointer to an extension type's vtable.
type = entry.type
if type.vtabptr_cname:
code.putln("static struct %s *%s;" % (
type.vtabstruct_cname,
type.vtabptr_cname))
def generate_objstruct_definition(self, type, code):
code.mark_pos(type.pos)
# Generate object struct definition for an
# extension type.
if not type.scope:
return # Forward declared but never defined
header, footer = \
self.sue_header_footer(type, "struct", type.objstruct_cname)
code.putln("")
code.putln(header)
base_type = type.base_type
if base_type:
code.putln(
"%s%s %s;" % (
("struct ", "")[base_type.typedef_flag],
base_type.objstruct_cname,
Naming.obj_base_cname))
else:
code.putln(
"PyObject_HEAD")
if type.vtabslot_cname and not (type.base_type and type.base_type.vtabslot_cname):
code.putln(
"struct %s *%s;" % (
type.vtabstruct_cname,
type.vtabslot_cname))
for attr in type.scope.var_entries:
code.putln(
"%s;" %
attr.type.declaration_code(attr.cname))
code.putln(footer)
if type.objtypedef_cname is not None:
# Only for exposing public typedef name.
code.putln("typedef struct %s %s;" % (type.objstruct_cname, type.objtypedef_cname))
def generate_global_declarations(self, env, code, definition):
code.putln("")
for entry in env.c_class_entries:
if definition or entry.defined_in_pxd:
code.putln("static PyTypeObject *%s = 0;" %
entry.type.typeptr_cname)
code.put_var_declarations(env.var_entries, static = 1,
dll_linkage = "DL_EXPORT", definition = definition)
def generate_cfunction_predeclarations(self, env, code, definition):
for entry in env.cfunc_entries:
if entry.inline_func_in_pxd or (not entry.in_cinclude and (definition
or entry.defined_in_pxd or entry.visibility == 'extern')):
if entry.visibility in ('public', 'extern'):
dll_linkage = "DL_EXPORT"
else:
dll_linkage = None
type = entry.type
if not definition and entry.defined_in_pxd:
type = CPtrType(type)
header = type.declaration_code(entry.cname,
dll_linkage = dll_linkage)
if entry.visibility == 'private':
storage_class = "static "
elif entry.visibility == 'public':
storage_class = ""
else:
storage_class = "%s " % Naming.extern_c_macro
if entry.func_modifiers:
modifiers = '%s ' % ' '.join([
modifier.upper() for modifier in entry.func_modifiers])
else:
modifiers = ''
code.putln("%s%s%s; /*proto*/" % (
storage_class,
modifiers,
header))
def generate_typeobj_definitions(self, env, code):
full_module_name = env.qualified_name
for entry in env.c_class_entries:
#print "generate_typeobj_definitions:", entry.name
#print "...visibility =", entry.visibility
if entry.visibility != 'extern':
type = entry.type
scope = type.scope
if scope: # could be None if there was an error
self.generate_exttype_vtable(scope, code)
self.generate_new_function(scope, code)
self.generate_dealloc_function(scope, code)
if scope.needs_gc():
self.generate_traverse_function(scope, code)
self.generate_clear_function(scope, code)
if scope.defines_any(["__getitem__"]):
self.generate_getitem_int_function(scope, code)
if scope.defines_any(["__setitem__", "__delitem__"]):
self.generate_ass_subscript_function(scope, code)
if scope.defines_any(["__getslice__", "__setslice__", "__delslice__"]):
warning(self.pos, "__getslice__, __setslice__, and __delslice__ are not supported by Python 3, use __getitem__, __setitem__, and __delitem__ instead", 1)
code.putln("#if PY_MAJOR_VERSION >= 3")
code.putln("#error __getslice__, __setslice__, and __delslice__ not supported in Python 3.")
code.putln("#endif")
if scope.defines_any(["__setslice__", "__delslice__"]):
self.generate_ass_slice_function(scope, code)
if scope.defines_any(["__getattr__","__getattribute__"]):
self.generate_getattro_function(scope, code)
if scope.defines_any(["__setattr__", "__delattr__"]):
self.generate_setattro_function(scope, code)
if scope.defines_any(["__get__"]):
self.generate_descr_get_function(scope, code)
if scope.defines_any(["__set__", "__delete__"]):
self.generate_descr_set_function(scope, code)
self.generate_property_accessors(scope, code)
self.generate_method_table(scope, code)
self.generate_getset_table(scope, code)
self.generate_typeobj_definition(full_module_name, entry, code)
def generate_exttype_vtable(self, scope, code):
# Generate the definition of an extension type's vtable.
type = scope.parent_type
if type.vtable_cname:
code.putln("static struct %s %s;" % (
type.vtabstruct_cname,
type.vtable_cname))
def generate_self_cast(self, scope, code):
type = scope.parent_type
code.putln(
"%s = (%s)o;" % (
type.declaration_code("p"),
type.declaration_code("")))
def generate_new_function(self, scope, code):
tp_slot = TypeSlots.ConstructorSlot("tp_new", '__new__')
slot_func = scope.mangle_internal("tp_new")
type = scope.parent_type
base_type = type.base_type
py_attrs = []
for entry in scope.var_entries:
if entry.type.is_pyobject:
py_attrs.append(entry)
need_self_cast = type.vtabslot_cname or py_attrs
code.putln("")
code.putln(
"static PyObject *%s(PyTypeObject *t, PyObject *a, PyObject *k) {"
% scope.mangle_internal("tp_new"))
if need_self_cast:
code.putln(
"%s;"
% scope.parent_type.declaration_code("p"))
if base_type:
tp_new = TypeSlots.get_base_slot_function(scope, tp_slot)
if tp_new is None:
tp_new = "%s->tp_new" % base_type.typeptr_cname
code.putln(
"PyObject *o = %s(t, a, k);" % tp_new)
else:
code.putln(