138 lines
5 KiB
Python
138 lines
5 KiB
Python
# Copyright (c) 2021 Richard Smith and others
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#
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# This program and the accompanying materials are made available under the
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# terms of the Eclipse Public License 2.0 which is available at
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# http://www.eclipse.org/legal/epl-2.0.
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#
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# This Source Code may also be made available under the following Secondary
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# licenses when the conditions for such availability set forth in the Eclipse
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# Public License, v. 2.0 are satisfied: GNU General Public License, version 2
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# with the GNU Classpath Exception which is
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# available at https://www.gnu.org/software/classpath/license.html.
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#
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# SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
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from pathlib import Path
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from raylib import rl, ffi
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from inspect import ismethod, getmembers, isbuiltin
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import inflection, sys, json
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known_functions = {}
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known_structs = {}
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for filename in (Path("raylib.json"), Path("raymath.json"), Path("rlgl.json"), Path("raygui.json"), Path("physac.json"), Path("glfw3.json")):
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f = open(filename, "r")
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js = json.load(f)
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for fn in js["functions"]:
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if fn["name"] not in known_functions:
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known_functions[fn["name"]] = fn
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for st in js["structs"]:
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if st["name"] not in known_structs:
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known_structs[st["name"]] = st
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def ctype_to_python_type(t):
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if t == '_Bool':
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return "bool"
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elif t == 'void':
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return 'None'
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elif t == "long":
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return "int"
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elif t == "unsigned long long":
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return "int"
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elif t == "double":
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return "float"
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elif "char * *" in t:
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return "list[str]"
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elif "char *" in t:
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return "str"
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elif "char" in t:
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return "str" # not sure about this one
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elif "*" in t:
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return "Any"
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elif t.startswith("struct"):
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return t.replace("struct ","")
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elif t.startswith("unsigned"):
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return t.replace("unsigned ", "")
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else:
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return t
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print("""from typing import Any
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def pointer(struct):
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...
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""")
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# These words can be used for c arg names, but not in python
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reserved_words = ("in", "list", "tuple", "set", "dict", "from", "range", "min", "max", "any", "all", "len")
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for name, attr in getmembers(rl):
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uname = inflection.underscore(name).replace('3_d', '_3d').replace('2_d', '_2d')
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if isbuiltin(attr) or str(type(attr)) == "<class '_cffi_backend.__FFIFunctionWrapper'>":
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json_object = known_functions.get(name, None)
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if json_object is None:
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# this is _not_ an exported function from raylib, raymath, rlgl raygui or physac
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# so we don't want it in the pyray API
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continue
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sig = ""
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for i, arg in enumerate(ffi.typeof(attr).args):
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param_name = arg.cname.replace("struct", "").replace("char *", "str").replace("*",
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"_pointer").replace(
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" ", "")+"_"+str(i)
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if 'params' in json_object:
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p = json_object['params']
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param_name = list(p)[i]['name']
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# don't use a python reserved word:
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if param_name in reserved_words:
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param_name = param_name + "_" + str(i)
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param_type = ctype_to_python_type(arg.cname)
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sig += f"{param_name}: {param_type},"
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return_type = ffi.typeof(attr).result.cname
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description = attr.__doc__
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if 'description' in json_object:
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description = json_object['description']
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print(
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f'def {uname}({sig}) -> {ctype_to_python_type(return_type)}:\n """{description}"""\n ...')
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elif str(type(attr)) == "<class '_cffi_backend._CDataBase'>":
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return_type = ffi.typeof(attr).result.cname
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print(
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f'def {uname}(*args) -> {ctype_to_python_type(return_type)}:\n """VARARG FUNCTION - MAY NOT BE SUPPORTED BY CFFI"""\n ...')
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else:
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#print("*****", str(type(attr)))
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t = str(type(attr))[8:-2] # this isolates the type
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if t != "int":
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print(f"{name}: {t}")
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for struct in ffi.list_types()[0]:
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print("processing", struct, file=sys.stderr)
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if ffi.typeof(struct).kind == "struct":
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json_object = known_structs.get(struct, None)
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if json_object is None:
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# this is _not_ an exported struct from raylib, raymath, rlgl raygui or physac
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# so we don't want it in the pyray API
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continue
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if ffi.typeof(struct).fields is None:
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print("weird empty struct, skipping "+struct, file=sys.stderr)
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continue
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print(f"class {struct}:")
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print(f' """ struct """')
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sig = ""
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for arg in ffi.typeof(struct).fields:
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sig += ", " + arg[0]
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print(f" def __init__(self{sig}):")
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for arg in ffi.typeof(struct).fields:
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print(f" self.{arg[0]}={arg[0]}")
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#elif ffi.typeof(struct).kind == "enum":
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# print(f"{struct}: int")
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else:
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print("ERROR UNKNOWN TYPE", ffi.typeof(struct), file=sys.stderr)
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