diff options
Diffstat (limited to '')
| -rwxr-xr-x | extra-tools/luatablegen.py | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/extra-tools/luatablegen.py b/extra-tools/luatablegen.py new file mode 100755 index 0000000..a4569ca --- /dev/null +++ b/extra-tools/luatablegen.py @@ -0,0 +1,289 @@ +#!/usr/bin/python3 + +import argparse +import code +import json +import os +import readline +import signal +import sys + +C_STRUCT = ['typedef struct XXX {', '}XXX;'] +HEADER_GUARD = ['\n#ifndef _XXX_H\n#define _XXX_H\n', '#endif //end of inclusion guard\n\n'] +EXTERN_C = ['#ifdef __cplusplus\nextern "C" {\n#endif\n', '#ifdef __cplusplus\n}\n#endif //end of extern c\n'] +BEGIN_NOTE = "//Generated Automatically by luatablegen." +HEADER_LIST = ['#include "HHHlua.h"\n', '#include "HHHlauxlib.h"\n', + '#include "HHHlualib.h"\n', '#include <inttypes.h>\n', + '#include <stdbool.h>'] +CONVERT = ['static XXX* convert_XXX (lua_State* __ls, int index) {\n', + '\tXXX* dummy = (XXX*)lua_touserdata(__ls, index);\n', + '\tif (dummy == NULL) printf("XXX:bad user data type.\\n");\n', + '\treturn dummy;\n}\n'] +CHECK = ['static XXX* check_XXX(lua_State* __ls, int index) {\n', + '\tXXX* dummy;\n', + '\tluaL_checktype(__ls, index, LUA_TUSERDATA);\n' + '\tdummy = (XXX*)luaL_checkudata(__ls, index, "XXX");\n', + '\tif (dummy == NULL) printf("XXX:bad user data type.\\n");\n', + '\treturn dummy;\n}\n'] +PUSH_SELF = [ 'XXX* push_XXX(lua_State* __ls) {\n', + '\tlua_checkstack(__ls, 1);\n', + '\tXXX* dummy = lua_newuserdata(__ls, sizeof(XXX));\n', + '\tluaL_getmetatable(__ls, "XXX");\n', + '\tlua_setmetatable(__ls, -2);\n', + '\treturn dummy;\n}\n'] +PUSH_ARGS = ['int XXX_push_args(lua_State* __ls, XXX* _st) {\n', + '\tlua_checkstack(__ls, NNN);\n', '\treturn 0;\n}\n'] +NEW = ['int new_XXX(lua_State* __ls) {\n', '\tlua_checkstack(__ls, NNN);\n', + '\tXXX* dummy = push_XXX(__ls);\n', '\treturn 1;\n}\n'] +GETTER_GEN = ['static int getter_XXX_YYY(lua_State* __ls) {\n', + '\tXXX* dummy = check_XXX(__ls, 1);\n', + '\tlua_pop(__ls, -1);\n', + '\treturn 1;\n}\n'] +SETTER_GEN = ['static int setter_XXX_YYY(lua_State* __ls) {\n', + '\tXXX* dummy = check_XXX(__ls, 1);\n', + '\tlua_settop(__ls, 1);\n', + '\treturn 1;\n}\n'] +REGISTER_TABLE_METHODS = ['static const luaL_Reg XXX_methods[] = {\n', + '\t{0,0}\n};\n'] +REGISTER_META = ['static const luaL_Reg XXX_meta[] = {\n', + '\t{0, 0}\n};\n'] +TABLE_REGISTER = ['int XXX_register(lua_State* __ls) {\n', + '\tluaL_openlib(__ls, "XXX", XXX_methods, 0);\n', + '\tluaL_newmetatable(__ls, "XXX");\n', + '\tluaL_openlib(__ls, 0, XXX_meta, 0);\n', + '\tlua_pushliteral(__ls, "__index");\n', + '\tlua_pushvalue(__ls, -3);\n', + '\tlua_rawset(__ls, -3);\n', + '\tlua_pushliteral(__ls, "__metatable");\n', + '\tlua_pushvalue(__ls, -3);\n', + '\tlua_rawset(__ls, -3);\n', + '\tlua_pop(__ls, 1);\n', + 'return 1;\n}\n'] +SOURCE_FILE_NAME='XXX_luatablegen.c' +HEADER_FILE_NAME='XXX_luatablegen.h' + +def SigHandler_SIGINT(signum, frame): + print() + sys.exit(0) + +class Argparser(object): + def __init__(self): + parser = argparse.ArgumentParser() + parser.add_argument("--out", type=str, help="output directory") + parser.add_argument("--tbg", type=str, help="the table gen file") + parser.add_argument("--pre", type=str, help="path to source code file to add after header guard/extern c") + parser.add_argument("--post", type=str, help="path to source code file to add before header guard/extern c end") + parser.add_argument("--luaheader", type=str, help="path to lua header files") + parser.add_argument("--dbg", action="store_true", help="debug", default=False) + self.args = parser.parse_args() + +class TbgParser(object): + def __init__(self, tbg, out, argparser): + self.tbg_file = json.load(open(tbg)) + self.argparser = argparser + + def begin(self, c_source, h_filename, struct_name): + for header in HEADER_LIST: + if self.argparser.args.luaheader: + c_source.write(header.replace("HHH", self.argparser.args.luaheader+"/")) + else: + c_source.write(header.replace("HHH", "")) + c_source.write(HEADER_GUARD[0].replace("XXX", struct_name)) + c_source.write(EXTERN_C[0]) + #c_source.write('#include "./'+h_filename+'"\n') + c_source.write("\n") + if self.argparser.args.pre: + pre_file = open(self.argparser.args.pre) + for line in pre_file: + c_source.write(line) + c_source.write("\n") + pre_file.close() + + def struct(self, c_source, field_names, field_types, struct_name): + c_source.write("typedef struct {\n") + for field_type, field_name in zip(field_types, field_names): + c_source.write("\t" + field_type + " " + field_name + ";\n") + c_source.write("}" +struct_name+ ";\n") + c_source.write("\n") + + def convert(self, c_source, struct_name): + for line in CONVERT: + c_source.write(line.replace("XXX", struct_name)) + c_source.write("\n") + + def check(self, c_source, struct_name): + for line in CHECK: + c_source.write(line.replace("XXX", struct_name)) + c_source.write("\n") + + def push_self(self, c_source, struct_name): + for line in PUSH_SELF: + c_source.write(line.replace("XXX", struct_name)) + c_source.write("\n") + + def push_args(self, c_source, struct_name, field_names, lua_types): + dummy = str() + c_source.write(PUSH_ARGS[0].replace("XXX", struct_name)) + c_source.write("\tlua_checkstack(__ls, " + repr(len(field_names)) + ");\n") + for field_name, lua_type in zip(field_names, lua_types): + if lua_type == "integer": dummy = "\tlua_pushinteger(__ls, _st->"+field_name+");\n" + elif lua_type == "lightuserdata": dummy = "\tlua_pushlightuserdata(__ls, _st->"+field_name+");\n" + elif lua_type == "number": dummy = "\tlua_pushnumber(__ls, _st->"+field_name+");\n" + elif lua_type == "string": dummy = "\tlua_pushstring(__ls, _st->"+field_name+");\n" + elif lua_type == "boolean": dummy = "\tlua_pushboolean(__ls, _st->"+field_name+");\n" + else: + print("bad lua_type entry in the json file") + sys.exit(1) + c_source.write(dummy) + dummy = str() + c_source.write(PUSH_ARGS[2]) + c_source.write("\n") + + def new(self, c_source, struct_name, field_types, field_names, lua_types): + dummy = str() + rev_counter = -len(field_types) + c_source.write(NEW[0].replace("XXX", struct_name)) + c_source.write("\tlua_checkstack(__ls, " + repr(len(field_names)) + ");\n") + for lua_type, field_name, field_type in zip(lua_types, field_names, field_types): + if lua_type == "integer": dummy = "\t"+field_type +" "+field_name+" = "+"luaL_optinteger(__ls,"+repr(rev_counter)+",0);\n" + elif lua_type == "lightuserdata": dummy = "\t"+field_type +" "+field_name+" = "+"lua_touserdata(__ls,"+repr(rev_counter)+");\n" + elif lua_type == "number": pass + elif lua_type == "string":dummy = "\t"+field_type +" "+field_name+" = "+"lua_tostring(__ls,"+repr(rev_counter)+",0);\n" + elif lua_type == "boolean": pass + else: + print("bad lua_type entry in the json file") + sys.exit(1) + rev_counter += 1 + c_source.write(dummy) + dummy = str() + c_source.write(NEW[2].replace("XXX", struct_name)) + for field_name in field_names: + c_source.write("\tdummy->" + field_name + " = " + field_name + ";\n") + c_source.write(NEW[3].replace("XXX", struct_name)) + c_source.write("\n") + + def getter(self, c_source, struct_name, field_names, field_types, lua_types): + dummy = str() + for field_name, lua_type in zip(field_names, lua_types): + c_source.write(GETTER_GEN[0].replace("XXX", struct_name).replace("YYY", field_name)) + c_source.write(GETTER_GEN[1].replace("XXX", struct_name)) + c_source.write(GETTER_GEN[2]) + if lua_type == "integer": dummy = "\tlua_pushinteger(__ls, dummy->"+field_name+");\n" + elif lua_type == "lightuserdata": dummy = "\tlua_pushlightuserdata(__ls, dummy->"+field_name+");\n" + elif lua_type == "number": dummy = "\tlua_pushnumber(__ls, dummy->"+field_name+");\n" + elif lua_type == "string": dummy = "\tlua_pushstring(__ls, dummy->"+field_name+");\n" + elif lua_type == "boolean": dummy = "\tlua_pushboolean(__ls, dummy->"+field_name+");\n" + else: + print("bad lua_type entry in the json file") + sys.exit(1) + c_source.write(dummy) + dummy = str() + c_source.write(GETTER_GEN[3]) + c_source.write("\n") + + def setter(self, c_source, struct_name, field_names, field_types, lua_types): + dummy = str() + for field_name, lua_type in zip(field_names, lua_types): + c_source.write(SETTER_GEN[0].replace("XXX", struct_name).replace("YYY", field_name)) + c_source.write(SETTER_GEN[1].replace("XXX", struct_name)) + if lua_type == "integer": dummy = "\tdummy->" + field_name + " = " + "luaL_checkinteger(__ls, 2);\n" + elif lua_type == "lightuserdata": dummy ="\tdummy->" + field_name + " = " + "luaL_checkudata(__ls, 2, "+'"'+struct_name+'"'+");\n" + elif lua_type == "number": dummy ="\tdummy->" + field_name + " = " + "luaL_checknumber(__ls, 2);\n" + elif lua_type == "string": dummy ="\tdummy->" + field_name + " = " + "luaL_checkstring(__ls, 2);\n" + elif lua_type == "boolean": pass + else: + print("bad lua_type entry in the json file") + sys.exit(1) + c_source.write(dummy) + dummy = str() + c_source.write(SETTER_GEN[2]) + c_source.write(SETTER_GEN[3]) + c_source.write("\n") + + def gc(self): + pass + def tostring(self): + pass + + def register_table_methods(self, c_source, struct_name, field_names): + c_source.write(REGISTER_TABLE_METHODS[0].replace("XXX", struct_name)) + c_source.write('\t{"new", ' + "new_" + struct_name + "},\n") + for field_name in field_names: + c_source.write("\t{" + '"set_' + field_name + '"' + ", " + "setter_"+struct_name +"_"+ field_name + "},\n") + for field_name in field_names: + c_source.write("\t{" + '"' + field_name + '", ' + "getter_"+struct_name+"_"+field_name+"},\n") + c_source.write(REGISTER_TABLE_METHODS[1]) + c_source.write("\n") + + def register_table_meta(self, c_source, struct_name): + c_source.write(REGISTER_META[0].replace("XXX", struct_name)) + c_source.write(REGISTER_META[1]) + c_source.write("\n") + + def register_table(self, c_source, struct_name): + for line in TABLE_REGISTER: + c_source.write(line.replace("XXX", struct_name)) + + def end(self, c_source): + if self.argparser.args.post: + c_source.write("\n") + post_file = open(self.argparser.args.post) + for line in post_file: + c_source.write(line) + c_source.write("\n") + c_source.write(EXTERN_C[1]) + c_source.write(HEADER_GUARD[1]) + c_source.write("\n") + + def run(self): + for k, v in self.tbg_file.items(): + struct_name = k + field_names = v['field_name'] + field_types = v['field_type'] + lua_types = v['lua_type'] + methods = v['methods'] + c_filename = struct_name + "_tablegen.h" + h_filename = struct_name + "_tablegen.h" + if self.argparser.args.out[-1] == "/": + c_source = open(self.argparser.args.out + c_filename, "w") + else: + c_source = open(self.argparser.args.out + "/" + c_filename, "w") + self.begin(c_source, h_filename, struct_name) + self.struct(c_source, field_names, field_types, struct_name) + self.convert(c_source, struct_name) + self.check(c_source, struct_name) + self.push_self(c_source, struct_name) + self.push_args(c_source, struct_name, field_names, lua_types) + self.new(c_source, struct_name, field_types, field_names, lua_types) + self.getter(c_source, struct_name, field_names, field_types, lua_types) + self.setter(c_source, struct_name, field_names, field_types, lua_types) + self.register_table_methods(c_source, struct_name, field_names) + self.register_table_meta(c_source, struct_name) + self.register_table(c_source, struct_name) + self.end(c_source) + c_source.close() + +# write code here +def premain(argparser): + signal.signal(signal.SIGINT, SigHandler_SIGINT) + #here + parser = TbgParser(argparser.args.tbg, argparser.args.out, argparser) + parser.run() + +def main(): + argparser = Argparser() + if argparser.args.dbg: + try: + premain(argparser) + except Exception as e: + print(e.__doc__) + if e.message: print(e.message) + variables = globals().copy() + variables.update(locals()) + shell = code.InteractiveConsole(variables) + shell.interact(banner="DEBUG REPL") + else: + premain(argparser) + +if __name__ == "__main__": + main() |