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author | daurnimator <quae@daurnimator.com> | 2017-05-20 12:50:10 +1000 |
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committer | daurnimator <quae@daurnimator.com> | 2017-05-20 12:50:10 +1000 |
commit | 27f36cc0d8dc127054b6abd590771ab155663329 (patch) | |
tree | e2a0a07e48417b6f69162da5090f88f8d48b0cf0 /tests/manual-tests/lua-cli.js | |
parent | 1039bb09ecd50e6032173dcfb792c56cbd2b618a (diff) | |
download | fengari-27f36cc0d8dc127054b6abd590771ab155663329.tar.gz fengari-27f36cc0d8dc127054b6abd590771ab155663329.tar.bz2 fengari-27f36cc0d8dc127054b6abd590771ab155663329.zip |
lua-cli moved to own repository: https://github.com/fengari-lua/fengari-node-cli
Diffstat (limited to 'tests/manual-tests/lua-cli.js')
-rwxr-xr-x | tests/manual-tests/lua-cli.js | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/tests/manual-tests/lua-cli.js b/tests/manual-tests/lua-cli.js deleted file mode 100755 index deadee7..0000000 --- a/tests/manual-tests/lua-cli.js +++ /dev/null @@ -1,305 +0,0 @@ -#!/usr/bin/env node -"use strict"; - -global.WEB = false; - -const lua = require('../../src/lua.js'); -const lauxlib = require('../../src/lauxlib.js'); -const lualib = require('../../src/lualib.js'); - -const readlineSync = require('readline-sync'); - -const stdin = lua.to_luastring("=stdin"); -const _PROMPT = lua.to_luastring("_PROMPT"); -const _PROMPT2 = lua.to_luastring("_PROMPT2"); - -const report = function(L, status) { - if (status !== lua.LUA_OK) { - lauxlib.lua_writestringerror(`${lua.lua_tojsstring(L, -1)}\n`); - lua.lua_pop(L, 1); - } - return status; -}; - -const msghandler = function(L) { - let msg = lua.lua_tostring(L, 1); - if (msg === null) { /* is error object not a string? */ - if (lauxlib.luaL_callmeta(L, 1, lua.to_luastring("__tostring")) && /* does it have a metamethod */ - lua.lua_type(L, -1) == lua.LUA_TSTRING) /* that produces a string? */ - return 1; /* that is the message */ - else - msg = lua.lua_pushstring(L, lua.to_luastring(`(error object is a ${lua.to_jsstring(lauxlib.luaL_typename(L, 1))} value)`)); - } - lauxlib.luaL_traceback(L, L, msg, 1); /* append a standard traceback */ - return 1; /* return the traceback */ -}; - -const docall = function(L, narg, nres) { - let base = lua.lua_gettop(L) - narg; - lua.lua_pushcfunction(L, msghandler); - lua.lua_insert(L, base); - let status = lua.lua_pcall(L, narg, nres, base); - lua.lua_remove(L, base); - return status; -}; - -const dochunk = function(L, status) { - if (status === lua.LUA_OK) { - status = docall(L, 0, 0); - } - return report(L, status); -}; - -const dofile = function(L, name) { - return dochunk(L, lauxlib.luaL_loadfile(L, lua.to_luastring(name))); -}; - -const dostring = function(L, s, name) { - let buffer = lua.to_luastring(s); - return dochunk(L, lauxlib.luaL_loadbuffer(L, buffer, buffer.length, lua.to_luastring(name))); -}; - -const dolibrary = function(L, name) { - lua.lua_getglobal(L, lua.to_luastring("require")); - lua.lua_pushliteral(L, name); - let status = docall(L, 1, 1); /* call 'require(name)' */ - if (status === lua.LUA_OK) - lua.lua_setglobal(L, lua.to_luastring(name)); /* global[name] = require return */ - return report(L, status); -}; - -let progname = process.argv[1]; - -const print_usage = function(badoption) { - lauxlib.lua_writestringerror(`${progname}: `); - if (badoption[1] === "e" || badoption[1] === "l") - lauxlib.lua_writestringerror(`'${badoption}' needs argument\n`); - else - lauxlib.lua_writestringerror(`'unrecognized option '${badoption}'\n`); - lauxlib.lua_writestringerror( - `usage: ${progname} [options] [script [args]]\n` + - "Available options are:\n" + - " -e stat execute string 'stat'\n" + - " -i enter interactive mode after executing 'script'\n" + - " -l name require library 'name'\n" + - " -v show version information\n" + - " -E ignore environment variables\n" + - " -- stop handling options\n" + - " - stop handling options and execute stdin\n" - ); -}; - -const L = lauxlib.luaL_newstate(); - -let script = 2; // Where to start args from -let has_E = false; -let has_i = false; -let has_v = false; -let has_e = false; - -(function() { - let i; - for (i = 2; i<process.argv.length; i++) { - script = i; - if (process.argv[i][0] != "-") { - return; - } - switch(process.argv[i][1]) { - case '-': - if (process.argv[i][2]) { - print_usage(process.argv[script]); - return process.exit(1); - } - script = i + 1; - return; - case void 0: /* script name is '-' */ - return; - case 'E': - has_E = true; - break; - case 'i': - has_i = true; - /* (-i implies -v) */ - /* falls through */ - case 'v': - if (process.argv[i].length > 2) { - /* invalid option */ - print_usage(process.argv[script]); - return process.exit(1); - } - has_v = true; - break; - case 'e': - has_e = true; - /* falls through */ - case 'l': /* both options need an argument */ - if (process.argv[i].length < 3) { /* no concatenated argument? */ - i++; /* try next 'process.argv' */ - if (process.argv.length <= i || process.argv[i][0] === '-') { - /* no next argument or it is another option */ - print_usage(process.argv[script]); - return process.exit(1); - } - } - break; - default: /* invalid option */ - print_usage(process.argv[script]); - return process.exit(1); - } - } - script = i; -})(); - -if (has_v) - console.log(lua.FENGARI_COPYRIGHT); - -if (has_E) { - /* signal for libraries to ignore env. vars. */ - lua.lua_pushboolean(L, 1); - lua.lua_setfield(L, lua.LUA_REGISTRYINDEX, lua.to_luastring("LUA_NOENV")); -} - -/* open standard libraries */ -lualib.luaL_openlibs(L); - -/* create table 'arg' */ -lua.lua_createtable(L, process.argv.length - (script + 1), script + 1); -for (let i = 0; i < process.argv.length; i++) { - lua.lua_pushliteral(L, process.argv[i]); - lua.lua_seti(L, -2, i - script); /* TODO: rawseti */ -} -lua.lua_setglobal(L, lua.to_luastring("arg")); - -if (!has_E) { - /* run LUA_INIT */ - let name = "LUA_INIT"+lua.LUA_VERSUFFIX; - let init = process.env[name]; - if (!init) { - name = "LUA_INIT"; - init = process.env[name]; - } - if (init) { - let status; - if (init[0] === '@') { - status = dofile(L, init.substring(1)); - } else { - status = dostring(L, init, name); - } - if (status !== lua.LUA_OK) { - return process.exit(1); - } - } -} - -/* execute arguments -e and -l */ -for (let i = 1; i < script; i++) { - let option = process.argv[i][1]; - if (option == 'e' || option == 'l') { - let extra = process.argv[i].substring(2); /* both options need an argument */ - if (extra.length === 0) - extra = process.argv[++i]; - let status; - if (option == 'e') { - status = dostring(L, extra, "=(command line)"); - } else { - status = dolibrary(L, extra); - } - if (status !== lua.LUA_OK) { - return process.exit(1); - } - } -} - -const pushargs = function(L) { - if (lua.lua_getglobal(L, lua.to_luastring("arg")) !== lua.LUA_TTABLE) - lauxlib.luaL_error(L, lua.to_luastring("'arg' is not a table")); - let n = lauxlib.luaL_len(L, -1); - lauxlib.luaL_checkstack(L, n+3, lua.to_luastring("too many arguments to script")); - let i; - for (i=1; i<=n; i++) - lua.lua_rawgeti(L, -i, i); - lua.lua_remove(L, -i); - return n; -}; - -const handle_script = function(L, argv) { - let fname = argv[0]; - let status; - if (fname === "-" && argv[-1] !== "--") - fname = null; /* stdin */ - else - fname = lua.to_luastring(fname); - status = lauxlib.luaL_loadfile(L, fname); - if (status === lua.LUA_OK) { - let n = pushargs(L); /* push arguments to script */ - status = docall(L, n, lua.LUA_MULTRET); - } - return report(L, status); -}; - -const doREPL = function(L) { - for (;;) { - lua.lua_getglobal(L, _PROMPT); - let input = readlineSync.prompt({ - prompt: lua.lua_tojsstring(L, -1) || '> ' - }); - lua.lua_pop(L, 1); - - if (input.length === 0) - continue; - - let status; - { - let buffer = lua.to_luastring("return " + input); - status = lauxlib.luaL_loadbuffer(L, buffer, buffer.length, stdin); - } - if (status !== lua.LUA_OK) { - lua.lua_pop(L, 1); - let buffer = lua.to_luastring(input); - if (lauxlib.luaL_loadbuffer(L, buffer, buffer.length, stdin) === lua.LUA_OK) { - status = lua.LUA_OK; - } - } - while (status === lua.LUA_ERRSYNTAX && lua.lua_tojsstring(L, -1).endsWith("<eof>")) { - /* continuation */ - lua.lua_pop(L, 1); - lua.lua_getglobal(L, _PROMPT2); - input += "\n" + readlineSync.prompt({ - prompt: lua.lua_tojsstring(L, -1) || '>> ' - }); - lua.lua_pop(L, 1); - let buffer = lua.to_luastring(input); - status = lauxlib.luaL_loadbuffer(L, buffer, buffer.length, stdin); - } - if (status === lua.LUA_OK) { - status = docall(L, 0, lua.LUA_MULTRET); - } - if (status === lua.LUA_OK) { - let n = lua.lua_gettop(L); - if (n > 0) { /* any result to be printed? */ - lua.lua_getglobal(L, lua.to_luastring("print")); - lua.lua_insert(L, 1); - if (lua.lua_pcall(L, n, 0, 0) != lua.LUA_OK) { - lauxlib.lua_writestringerror(`error calling 'print' (${lua.lua_tojsstring(L, -1)})\n`); - } - } - } else { - report(L, status); - } - lua.lua_settop(L, 0); /* remove eventual returns */ - } -}; - -if (script < process.argv.length && /* execute main script (if there is one) */ - handle_script(L, process.argv.slice(script)) !== lua.LUA_OK) { - /* success */ -} else if (has_i) { - doREPL(L); -} else if (script == process.argv.length && !has_e && !has_v) { /* no arguments? */ - if (process.stdin.isTTY) { /* running in interactive mode? */ - console.log(lua.FENGARI_COPYRIGHT); - doREPL(L); /* do read-eval-print loop */ - } else { - dofile(L, null); - } -} |