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# Copyright 2011-2012, 2015 David Malcolm <dmalcolm@redhat.com>
# Copyright 2011-2012, 2015 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 maketreetypes import iter_rtl_expr_types #, iter_rtl_struct_types
from cpybuilder import *
from testcpychecker import get_gcc_version
from wrapperbuilder import PyGccWrapperTypeObject
GCC_VERSION = get_gcc_version()
cu = CompilationUnit()
cu.add_include('gcc-python.h')
cu.add_include('gcc-python-wrappers.h')
cu.add_include('gcc-plugin.h')
cu.add_include("rtl.h")
modinit_preinit = ''
modinit_postinit = ''
#rtl_struct_types = list(iter_rtl_struct_types())
rtl_expr_types = list(iter_rtl_expr_types())
#print rtl_types
# Should be a three-level hierarchy:
#
# - Rtl base class
# - intermediate subclasses, one per enum rtx_class
# - concrete subclasses, one per enum rtx_code
def generate_rtl_base_class():
#
# Generate the gcc.Rtl class:
#
global modinit_preinit
global modinit_postinit
'''
cu.add_defn("""
static PyObject *
PyGccRtl_get_block(struct PyGccRtl *self, void *closure)
{
return PyGccTree_New(rtl_block(self->stmt));
}
""")
'''
getsettable = PyGetSetDefTable('PyGccRtl_getset_table', [])
if GCC_VERSION < 5000:
getsettable.add_gsdef('loc',
'PyGccRtl_get_location',
None,
'Source code location of this instruction, as a gcc.Location')
getsettable.add_gsdef('operands',
'PyGccRtl_get_operands',
None,
'Operands of this expression, as a tuple')
cu.add_defn(getsettable.c_defn())
pytype = PyGccWrapperTypeObject(identifier = 'PyGccRtl_TypeObj',
localname = 'Rtl',
tp_name = 'gcc.Rtl',
tp_dealloc = 'PyGccWrapper_Dealloc',
struct_name = 'PyGccRtl',
tp_new = 'PyType_GenericNew',
tp_getset = getsettable.identifier,
tp_repr = '(reprfunc)PyGccRtl_repr',
tp_str = '(reprfunc)PyGccRtl_str',
)
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_rtl_base_class()
# enum rtx_class from gcc/rtl.h (as seen in 4.6.0):
enum_rtx_class = ('RTX_COMPARE',
'RTX_COMM_COMPARE',
'RTX_BIN_ARITH',
'RTX_COMM_ARITH',
'RTX_UNARY',
'RTX_EXTRA',
'RTX_MATCH',
'RTX_INSN',
'RTX_OBJ',
'RTX_CONST_OBJ',
'RTX_TERNARY',
'RTX_BITFIELD_OPS',
'RTX_AUTOINC')
def generate_intermediate_rtx_class_subclasses():
global modinit_preinit
global modinit_postinit
for rtx_class in enum_rtx_class:
cc = camel_case(rtx_class)
pytype = PyGccWrapperTypeObject(identifier = 'PyGccRtlClassType%s_TypeObj' % cc,
localname = 'RtlClassType' + cc,
tp_name = 'gcc.%s' % cc,
struct_name = 'PyGccRtl',
tp_new = 'PyType_GenericNew',
tp_base = '&PyGccRtl_TypeObj',
#tp_getset = getsettable.identifier,
#tp_repr = '(reprfunc)PyGccRtl_repr',
#tp_str = '(reprfunc)PyGccRtl_str',
)
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_intermediate_rtx_class_subclasses()
def generate_concrete_rtx_code_subclasses():
global modinit_preinit
global modinit_postinit
for expr_type in rtl_expr_types:
cc = expr_type.camel_cased_string()
getsettable = None
if getsettable:
cu.add_defn(getsettable.c_defn())
pytype = PyGccWrapperTypeObject(identifier = 'PyGcc%s_TypeObj' % cc,
localname = cc,
tp_name = 'gcc.%s' % cc,
struct_name = 'PyGccRtl',
tp_new = 'PyType_GenericNew',
tp_base = ('&PyGccRtlClassType%s_TypeObj'
% camel_case(expr_type.CLASS)),
tp_getset = getsettable.identifier if getsettable else None,
tp_repr = '(reprfunc)PyGccRtl_repr',
tp_str = '(reprfunc)PyGccRtl_str',
)
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_concrete_rtx_code_subclasses()
def generate_rtl_code_map():
cu.add_defn('\n/* Map from GCC rtl codes to PyGccWrapperTypeObject* */\n')
cu.add_defn('PyGccWrapperTypeObject *pytype_for_rtx_code[] = {\n')
for expr_type in rtl_expr_types:
cc = expr_type.camel_cased_string()
cu.add_defn(' &PyGcc%s_TypeObj, /* %s */\n' % (cc, expr_type.ENUM))
cu.add_defn('};\n\n')
cu.add_defn("""
PyGccWrapperTypeObject*
PyGcc_autogenerated_rtl_type_for_stmt(gcc_rtl_insn insn)
{
enum rtx_code code = insn.inner->code;
/* printf("code:%i\\n", code); */
assert(code >= 0);
assert(code < LAST_AND_UNUSED_RTX_CODE);
return pytype_for_rtx_code[code];
}
""")
generate_rtl_code_map()
cu.add_defn("""
int autogenerated_rtl_init_types(void)
{
""" + modinit_preinit + """
return 1;
error:
return 0;
}
""")
cu.add_defn("""
void autogenerated_rtl_add_types(PyObject *m)
{
""" + modinit_postinit + """
}
""")
print(cu.as_str())
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