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pyquda_pyx.py
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pyquda_pyx.py
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import os
import sys
from typing import Dict, List, NamedTuple, Union
class QudaEnumMeta(NamedTuple):
name: str
value: Union[int, str]
def __repr__(self) -> str:
return f"{self.name} = {self.value}"
class QudaParamsMeta(NamedTuple):
name: str
type: str
ptr: str
array: List[int]
def __repr__(self) -> str:
self_array = "" if len(self.array) == 0 else f"[{']['.join(self.array)}]"
return f"{self.type} {self.ptr}{self.name}{self_array}"
normal = """
@property
def %name%(self):
return self.param.%name%
@%name%.setter
def %name%(self, value):
self.param.%name% = value
"""
cstring = """
@property
def %name%(self):
return self.param.%name%
@%name%.setter
def %name%(self, const char value[]):
self.param.%name% = value
"""
param = """
@property
def %name%(self):
param = %type%()
param.from_ptr(self.param.%name%)
return param
@%name%.setter
def %name%(self, value):
self.set_%name%(value)
cdef set_%name%(self, QudaInvertParam value):
self.param.%name% = &value.param
"""
multigrid = """
@property
def %name%(self):
value = []
for i in range(self.n_level):
value.append(self.param.%name%[i])
return value
@%name%.setter
def %name%(self, value):
for i in range(self.n_level):
self.param.%name%[i] = value[i]
"""
multigrid_param = """
@property
def %name%(self):
params = []
for i in range(self.param.n_level):
param = %type%()
param.from_ptr(self.param.%name%[i])
params.append(param)
return params
@%name%.setter
def %name%(self, value):
for i in range(self.param.n_level):
self.set_%name%(value[i], i)
cdef set_%name%(self, %type% value, int i):
self.param.%name%[i] = &value.param
"""
void_ptr = """
@property
def %name%(self):
ptr = Pointer("void")
ptr.set_ptr(self.param.%name%)
return ptr
@%name%.setter
def %name%(self, value):
self.set_%name%(value)
cdef set_%name%(self, Pointer value):
assert value.dtype == "void"
self.param.%name% = value.ptr
"""
ptr = """
@property
def %name%(self):
ptr = Pointer("%type%")
ptr.set_ptr(self.param.%name%)
return ptr
@%name%.setter
def %name%(self, value):
self.set_%name%(value)
cdef set_%name%(self, Pointer value):
assert value.dtype == "%type%"
self.param.%name% = <%type% *>value.ptr
"""
ptrptr = """
@property
def %name%(self):
ptr = Pointers("%type%", self.param.num_paths)
ptr.set_ptrs(<void **>self.param.%name%)
return ptr
@%name%.setter
def %name%(self, value):
self.set_%name%(value)
cdef set_%name%(self, Pointers value):
assert value.dtype == "%type%"
self.param.%name% = <%type% **>value.ptrs
"""
def build_pyquda_pyx(pyquda_root, quda_path):
fake_libc_include = os.path.join(pyquda_root, "pycparser", "utils", "fake_libc_include")
quda_include = os.path.join(quda_path, "include")
assert os.path.exists(fake_libc_include), f"{fake_libc_include} not found"
print(f"Building pyquda wrapper from {os.path.join(quda_include, 'quda.h')}")
sys.path.insert(1, os.path.join(pyquda_root, "pycparser"))
try:
from pycparser import parse_file, c_ast
except ImportError or ModuleNotFoundError:
from pycparser.pycparser import parse_file, c_ast # This is for the language server
sys.path.remove(os.path.join(pyquda_root, "pycparser"))
def evaluate(node):
if node is None:
return
elif type(node) is c_ast.UnaryOp:
if node.op == "+":
return evaluate(node.expr)
elif node.op == "-":
return -evaluate(node.expr)
elif type(node) is c_ast.BinaryOp:
if node.op == "+":
return evaluate(node.left) + evaluate(node.right)
elif node.op == "-":
return evaluate(node.left) - evaluate(node.right)
elif type(node) is c_ast.Constant:
return int(node.value, 0)
elif type(node) is c_ast.ID:
return node.name
else:
raise ValueError(f"Unknown node {node}")
quda_enum_meta: Dict[str, List[QudaParamsMeta]] = {}
quda_params_meta: Dict[str, List[QudaParamsMeta]] = {}
ast = parse_file(
os.path.join(quda_include, "quda.h"),
use_cpp=True,
cpp_path="cc",
cpp_args=[
"-E",
Rf"-I{fake_libc_include}",
Rf"-I{quda_include}",
],
)
for node in ast:
if node.name.startswith("Quda") and type(node.type.type) is c_ast.Enum:
quda_enum_meta[node.name] = []
current_value = -1
for item in node.type.type.values:
item_value = evaluate(item.value)
if item_value is not None:
current_value = item_value
else:
current_value += 1
if "INVALID" in item.name:
quda_enum_meta[node.name].append(QudaEnumMeta(item.name, "QUDA_INVALID_ENUM"))
else:
quda_enum_meta[node.name].append(QudaEnumMeta(item.name, current_value))
if node.name.startswith("Quda") and node.name.endswith("Param"):
quda_params_meta[node.name] = []
# print(node.name)
for decl in node.type.type.decls:
n, t = decl.name, decl.type
tt = t.type
if type(t) is c_ast.TypeDecl:
quda_params_meta[node.name].append(QudaParamsMeta(n, " ".join(tt.names), "", []))
# print(" ".join(t.type.names), n)
elif type(t) is c_ast.ArrayDecl:
ttt = tt.type
if type(tt) is c_ast.TypeDecl:
quda_params_meta[node.name].append(QudaParamsMeta(n, " ".join(ttt.names), "", [t.dim.value]))
# print(" ".join(t.type.type.names), n, f"[{t.dim.value}]")
elif type(tt) is c_ast.PtrDecl:
quda_params_meta[node.name].append(
QudaParamsMeta(n, " ".join(ttt.type.names), "*", [t.dim.value])
)
# print(" ".join(t.type.type.type.names), "*", n, f"[{t.dim.value}]")
elif type(tt) is c_ast.ArrayDecl:
quda_params_meta[node.name].append(
QudaParamsMeta(n, " ".join(ttt.type.names), "", [t.dim.value, tt.dim.value])
)
# print(" ".join(t.type.type.type.names), n, f"[{t.dim.value}][{t.type.dim.value}]")
else:
raise ValueError(f"Unexpected node {node}")
elif type(t) is c_ast.PtrDecl:
ttt = tt.type
if type(tt) is c_ast.TypeDecl:
quda_params_meta[node.name].append(QudaParamsMeta(n, " ".join(ttt.names), "*", ""))
# print(" ".join(t.type.type.names), "*", n)
elif type(tt) is c_ast.PtrDecl:
quda_params_meta[node.name].append(QudaParamsMeta(n, " ".join(ttt.type.names), "**", ""))
# print(" ".join(t.type.type.type.names), "**", n)
else:
raise ValueError(f"Unexpected node {node}")
else:
raise ValueError(f"Unexpected node {node}")
with open(os.path.join(quda_include, "enum_quda.h"), "r") as f:
enum_quda_h = f.read()
with open(os.path.join(pyquda_root, "pyquda", "enum_quda.in.py"), "r") as f:
enum_quda_py = f.read()
with open(os.path.join(pyquda_root, "pyquda", "src", "quda.in.pxd"), "r") as f:
quda_pxd = f.read()
with open(os.path.join(pyquda_root, "pyquda", "src", "pyquda.in.pyx"), "r") as f:
pyquda_pyx = f.read()
# with open(os.path.join(pyquda_root, "pyquda", "pyquda.in.pyi"), "r") as f:
# pyquda_pyi = f.read()
enum_quda_start = enum_quda_py.find("\nQUDA_INVALID_ENUM = -0x7FFFFFFF - 1")
quda_constants_pxd = 'cdef extern from "quda_constants.h":\n cdef enum:'
start = enum_quda_py.find("\nQUDA", 0)
while enum_quda_start > start >= 0:
stop = enum_quda_py.find(" =", start)
quda_constants_pxd += f"\n {enum_quda_py[start + 1 : stop]}\n"
start = enum_quda_py.find("\nQUDA", stop)
enum_quda_pxd = 'cdef extern from "enum_quda.h":'
start = enum_quda_py.find("\nclass ", enum_quda_start)
while start >= 0:
stop = enum_quda_py.find("(IntEnum):", start)
enum_quda_pxd += f"\n ctypedef enum {enum_quda_py[start + 7 : stop]}:\n pass\n"
start = enum_quda_py.find("\nclass ", stop)
for key, val in quda_enum_meta.items():
enum_quda_py_block = ""
for item in val:
comment = ""
idx = enum_quda_h.find(item.name)
idx_comment = enum_quda_h.find("//", idx)
idx_endline = enum_quda_h.find("\n", idx)
if idx_comment != -1 and idx_comment < idx_endline:
comment = f'\n """{enum_quda_h[idx_comment + 2 : idx_endline].strip()}"""'
enum_quda_py_block += f" {item}{comment}\n"
idx = enum_quda_py.find(key)
enum_quda_py = enum_quda_py[:idx] + enum_quda_py[idx:].replace(" pass\n", enum_quda_py_block, 1)
for key, val in quda_params_meta.items():
quda_pxd_block = ""
pyquda_pyx_block = ""
pyquda_pyi_block = ""
for item in val:
quda_pxd_block += f" {item}\n"
if len(item.array) > 0 and item.type.startswith("Quda") and item.type.endswith("Param"):
pyquda_pyx_block += multigrid_param.replace("%name%", item.name).replace("%type%", item.type)
pyquda_pyi_block += f" {item.name}: List[{item.type}, {item.array[0]}]\n"
elif item.type.startswith("Quda") and item.type.endswith("Param"):
pyquda_pyx_block += param.replace("%name%", item.name).replace("%type%", item.type)
pyquda_pyi_block += f" {item.name}: {item.type}\n"
elif len(item.array) == 1:
if item.type == "char":
pyquda_pyx_block += cstring.replace("%name%", item.name)
pyquda_pyi_block += f" {item.name}: bytes[{item.array[0]}]\n"
else:
pyquda_pyx_block += normal.replace("%name%", item.name)
pyquda_pyi_block += f" {item.name}: List[{item.type}, {item.array[0]}]\n"
elif len(item.array) == 2:
pyquda_pyx_block += multigrid.replace("%name%", item.name)
if item.type == "char":
pyquda_pyi_block += f" {item.name}: List[bytes[{item.array[1]}], {item.array[0]}]\n"
else:
pyquda_pyi_block += f" {item.name}: List[List[{item.type}, {item.array[1]}], {item.array[0]}]\n"
elif item.ptr == "*" and item.type == "void":
pyquda_pyx_block += void_ptr.replace("%name%", item.name)
pyquda_pyi_block += f" {item.name}: Pointer\n"
elif item.ptr == "*":
pyquda_pyx_block += ptr.replace("%name%", item.name).replace("%type%", item.type)
pyquda_pyi_block += f" {item.name}: Pointer\n"
elif item.ptr == "**":
pyquda_pyx_block += ptrptr.replace("%name%", item.name).replace("%type%", item.type)
pyquda_pyi_block += f" {item.name}: Pointers\n"
else:
pyquda_pyx_block += normal.replace("%name%", item.name)
pyquda_pyi_block += f" {item.name}: {item.type}\n"
idx = quda_pxd.find(key)
quda_pxd = quda_pxd[:idx] + quda_pxd[idx:].replace(
" pass\n", quda_pxd_block.replace("double _Complex", "double_complex"), 1
)
pyquda_pyx = pyquda_pyx.replace(
f"\n##%%!! {key}\n",
pyquda_pyx_block.replace("double _Complex", "double_complex"),
)
# pyquda_pyi = pyquda_pyi.replace(
# f"##%%!! {key}\n",
# pyi.replace("double _Complex", "double_complex").replace("unsigned int", "int"),
# )
with open(os.path.join(pyquda_root, "pyquda", "src", "quda_constants.pxd"), "w") as f:
f.write(quda_constants_pxd)
with open(os.path.join(pyquda_root, "pyquda", "src", "enum_quda.pxd"), "w") as f:
f.write(enum_quda_pxd)
with open(os.path.join(pyquda_root, "pyquda", "src", "quda.pxd"), "w") as f:
f.write(quda_pxd)
with open(os.path.join(pyquda_root, "pyquda", "src", "pyquda.pyx"), "w") as f:
f.write(pyquda_pyx)
with open(os.path.join(pyquda_root, "pyquda", "enum_quda.py"), "w") as f:
f.write(enum_quda_py)
# with open(os.path.join(pyquda_root, "pyquda", "pyquda.pyi"), "w") as f:
# f.write(pyquda_pyi)
if os.path.exists(os.path.join(pyquda_root, "yacctab.py")):
os.remove(os.path.join(pyquda_root, "yacctab.py"))
if os.path.exists(os.path.join(pyquda_root, "lextab.py")):
os.remove(os.path.join(pyquda_root, "lextab.py"))