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generate-pass-c.py
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generate-pass-c.py
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# Copyright 2011, 2012 David Malcolm <dmalcolm@redhat.com>
# Copyright 2011, 2012 Red Hat, Inc.
#
# This is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
from cpybuilder import *
from wrapperbuilder import PyGccWrapperTypeObject
cu = CompilationUnit()
cu.add_include('gcc-python.h')
cu.add_include('gcc-python-wrappers.h')
cu.add_include('gcc-plugin.h')
cu.add_include("tree-pass.h")
modinit_preinit = ''
modinit_postinit = ''
# See GCC's tree-pass.h
def generate_pass():
global modinit_preinit
global modinit_postinit
getsettable = PyGetSetDefTable('PyGccPass_getset_table', [],
identifier_prefix='PyGccPass',
typename='PyGccPass')
getsettable.add_simple_getter(cu,
'name',
'PyGccString_FromString(self->pass->name)',
'Name of the pass')
getsettable.add_simple_getter(cu,
'next',
'PyGccPass_New(self->pass->next)',
'The next gcc.Pass after this one, or None')
getsettable.add_simple_getter(cu,
'sub',
'PyGccPass_New(self->pass->sub)',
"The first sub-pass (gated by this pass' predicate, if any)")
for field in ('properties_required', 'properties_provided', 'properties_destroyed'):
getsettable.add_simple_getter(cu,
field,
'PyGccInt_FromLong(self->pass->%s)' % field,
None)
getsettable.add_simple_getter(cu,
'static_pass_number',
'PyGccInt_FromLong(self->pass->static_pass_number)',
'Number of this pass, used as a fragment of the dump file name')
getsettable.add_gsdef('dump_enabled',
'PyGccPass_get_dump_enabled',
'PyGccPass_set_dump_enabled',
'(boolean) Is dumping enabled for this pass?')
cu.add_defn(getsettable.c_defn())
methods = PyMethodTable('PyGccPass_methods', [])
methods.add_method('get_roots',
'PyGccPass_get_roots',
'METH_CLASS | METH_VARARGS',
"Get a tuple of gcc.Pass instances, the roots of the compilation pass tree")
methods.add_method('get_by_name',
'(PyCFunction)PyGccPass_get_by_name',
'METH_CLASS | METH_VARARGS | METH_KEYWORDS',
"Get the gcc.Pass instance for the pass with the given name, raising ValueError if it isn't found")
methods.add_method('register_after',
'(PyCFunction)PyGccPass_register_after',
'METH_VARARGS | METH_KEYWORDS',
"Given the name of another pass, register this gcc.Pass to occur immediately after that other pass")
methods.add_method('register_before',
'(PyCFunction)PyGccPass_register_before',
'METH_VARARGS | METH_KEYWORDS',
"Given the name of another pass, register this gcc.Pass to occur immediately before that other pass")
methods.add_method('replace',
'(PyCFunction)PyGccPass_replace',
'METH_VARARGS | METH_KEYWORDS',
"Given the name of another pass, replace that pass with this gcc.Pass")
cu.add_defn(methods.c_defn())
pytype = PyGccWrapperTypeObject(identifier = 'PyGccPass_TypeObj',
localname = 'Pass',
tp_name = 'gcc.Pass',
tp_dealloc = 'PyGccWrapper_Dealloc',
struct_name = 'PyGccPass',
tp_new = 'PyType_GenericNew',
tp_getset = getsettable.identifier,
tp_repr = '(reprfunc)PyGccPass_repr',
tp_str = '(reprfunc)PyGccPass_repr',
tp_methods = methods.identifier,
tp_flags = '(Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE)',
)
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_pass()
def generate_pass_subclasses():
global modinit_preinit
global modinit_postinit
for opt_pass_type in ('GIMPLE_PASS', 'RTL_PASS',
'SIMPLE_IPA_PASS', 'IPA_PASS'):
cc = camel_case(opt_pass_type)
pytype = PyGccWrapperTypeObject(identifier = 'PyGcc%s_TypeObj' % cc,
localname = cc,
tp_name = 'gcc.%s' % cc,
tp_dealloc = 'PyGccWrapper_Dealloc',
struct_name = 'PyGccPass',
tp_new = 'PyType_GenericNew',
tp_init = 'PyGcc%s_init' % cc,
tp_base = '&PyGccPass_TypeObj',
tp_flags = '(Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE)'
)
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_pass_subclasses()
cu.add_defn("""
int autogenerated_pass_init_types(void)
{
""" + modinit_preinit + """
return 1;
error:
return 0;
}
""")
cu.add_defn("""
void autogenerated_pass_add_types(PyObject *m)
{
""" + modinit_postinit + """
}
""")
print(cu.as_str())