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Boot script tweaks; Implemented proper errhand function

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rxi
2016-09-23 20:56:55 +01:00
parent 46989c8bfd
commit b407535680
1 changed files with 56 additions and 40 deletions
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96
src/main.c
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@@ -53,51 +53,67 @@ int main(void) {
luaL_openlibs(L);
luaL_requiref(L, "love", luaopen_love, 1);
int res = luaL_dostring(L,
"package.path = package.path .. ';' .."
"package.path:gsub('%?', 'lua/?')\n"
const char boot[] =
"package.path = package.path .. ';' .. package.path:gsub('%?', 'lua/?')\n"
"local print = print\n"
"local xpcall = xpcall\n"
"require 'main'\n"
"if not love.run then\n"
"function love.run()\n"
"if love.load then love.load() end\n"
"love.timer.step()\n"
"while true do\n"
/* Keyboard Events*/
"for _, e in pairs(love.keyboard.getEvents()) do\n"
"if e.type == 'down' then\n"
"if love.keypressed then love.keypressed(e.code) end\n"
"else\n"
"if love.keyreleased then love.keyreleased(e.code) end\n"
"end\n"
"end\n"
/* Update */
"love.timer.step()\n"
"local dt = love.timer.getDelta()\n"
"if love.update then love.update(dt) end\n"
/* Draw */
"love.graphics.clear()\n"
"if love.draw then love.draw() end\n"
"love.graphics.present()\n"
"end\n"
"end\n"
"end\n"
"if not love.errhand then\n"
"function love.errhand(msg)\n"
"love.system.deinitVGA()\n"
"print('error:')\n"
"print(msg)\n"
"print(debug.traceback('', 2))\n"
"end\n"
"end\n"
"xpcall(love.run, love.errhand)\n"
);
if (res) {
"function love.run()\n"
"if love.load then love.load() end\n"
"love.timer.step()\n"
"while true do\n"
/* Keyboard Events*/
"for _, e in ipairs(love.keyboard.getEvents()) do\n"
"if e.type == 'down' then\n"
"if love.keypressed then love.keypressed(e.code) end\n"
"else\n"
"if love.keyreleased then love.keyreleased(e.code) end\n"
"end\n"
"end\n"
/* Update */
"love.timer.step()\n"
"local dt = love.timer.getDelta()\n"
"if love.update then love.update(dt) end\n"
/* Draw */
"love.graphics.clear()\n"
"if love.draw then love.draw() end\n"
"love.graphics.present()\n"
"end\n"
"end\n"
"function love.errhand(msg)\n"
/* Init error text */
"local err = { 'Error\\n', msg }\n"
"local trace = debug.traceback('', 2)\n"
"for line in string.gmatch(trace, '([^\\t]-)\\n') do\n"
"table.insert(err, line)\n"
"end\n"
"local str = table.concat(err, '\\n')"
/* Init error state */
"love.graphics.reset()\n"
"pcall(love.graphics.setBackgroundColor, 89, 157, 220)\n"
/* Do error loop */
"while true do\n"
"for _, e in ipairs(love.keyboard.getEvents()) do\n"
"if e.type == 'down' and e.code == 1 then\n"
"os.exit()\n"
"end\n"
"end\n"
"love.graphics.clear()\n"
"love.graphics.print(str, 6, 6)\n"
"love.graphics.present()\n"
"end\n"
"end\n"
"xpcall(function() require('main') end, love.errhand)\n"
"xpcall(love.run, love.errhand)\n";
int err = luaL_loadbuffer(L, boot, sizeof(boot) - 1, "=boot");
if (err || lua_pcall(L, 0, 0, 0)) {
vga_deinit();
const char *err = lua_tostring(L, -1);
printf("error:\n%s\n", err);
printf("Error\n%s\n", err);
}
return 0;