objj-runtime
Version:
JavaScript (ECMAScript) and Objective-J runtime
289 lines (236 loc) • 9.35 kB
JavaScript
var FILE = require("file");
var sprintf = require("printf").sprintf;
var OS = require("os");
var window = exports.window = require("browser/window");
if (system.engine === "rhino")
{
window.__parent__ = null;
window.__proto__ = global;
}
// setup OBJJ_HOME, OBJJ_INCLUDE_PATHS, etc
window.OBJJ_HOME = exports.OBJJ_HOME = FILE.resolve(module.path, "..");
var frameworksPath = FILE.resolve(window.OBJJ_HOME, "Frameworks/");
var OBJJ_INCLUDE_PATHS = global.OBJJ_INCLUDE_PATHS = exports.OBJJ_INCLUDE_PATHS = [frameworksPath];
#include "Includes.js"
// Find all narwhal packages with Objective-J frameworks.
exports.objj_frameworks = [];
exports.objj_debug_frameworks = [];
var catalog = require("narwhal/packages").catalog;
for (var name in catalog)
{
if (!catalog.hasOwnProperty(name))
continue;
var info = catalog[name];
if (!info)
continue;
var frameworks = info["objj-frameworks"];
if (frameworks) {
if (!Array.isArray(frameworks))
frameworks = [String(frameworks)];
exports.objj_frameworks.push.apply(exports.objj_frameworks, frameworks.map(function(aFrameworkPath) {
return FILE.join(info.directory, aFrameworkPath);
}));
}
var debugFrameworks = info["objj-debug-frameworks"];
if (debugFrameworks) {
if (!Array.isArray(debugFrameworks))
debugFrameworks = [String(debugFrameworks)];
exports.objj_debug_frameworks.push.apply(exports.objj_debug_frameworks, debugFrameworks.map(function(aFrameworkPath) {
return FILE.join(info.directory, aFrameworkPath);
}));
}
}
// push to the front of the array lowest priority first.
OBJJ_INCLUDE_PATHS.unshift.apply(OBJJ_INCLUDE_PATHS, exports.objj_frameworks);
OBJJ_INCLUDE_PATHS.unshift.apply(OBJJ_INCLUDE_PATHS, exports.objj_debug_frameworks);
if (system.env["OBJJ_INCLUDE_PATHS"])
OBJJ_INCLUDE_PATHS.unshift.apply(OBJJ_INCLUDE_PATHS, system.env["OBJJ_INCLUDE_PATHS"].split(":"));
// bring the "window" object into scope.
// TODO: somehow make window object the top scope?
with (window)
{
// runs the objj repl or file provided in args
exports.run = function(args)
{
var multipleFiles = false;
if (args)
{
// we expect args to be in the format:
// 1) "objj" path
// 2) optional "-I" args
// 3) real or "virtual" main.j
// 4) optional program arguments
// copy the args since we're going to modify them
var argv = args.slice(1);
var outputFormatInXML = false;
if (argv[0] === "--version" || argv[0] === "-v")
{
print(exports.fullVersionString());
return;
}
if (argv[0] === "--help" || argv[0] === "-h")
{
print("Usage (objj): " + args[0] + " [options] [--] files...");
print(" -v, --version print the current version of objj");
print(" -I, --objj-include-paths include a specific framework paths")
print(" -h, --help print this help");
print(" -m, --multifiles launch objj on several files")
print(" -x, --xml specify the output format in xml.")
print(" -g, --include-debug-symbols Include debug symbols when compiling.")
print(" -T, --dont-include-type-signatures Do not include type signatures when compiling.")
print(" -O2, --inline-msg-send Inline objj_msgSend function when compiling.")
return;
}
while (argv.length && argv[0].indexOf('-') === 0)
{
switch (argv[0])
{
case "--objj-include-paths":
case "-I":
argv.shift();
OBJJ_INCLUDE_PATHS.unshift.apply(OBJJ_INCLUDE_PATHS, argv.shift().split(":"));
break;
case "--multifiles":
case "-m":
argv.shift();
multipleFiles = true;
break
case "-x":
case "--xml":
argv.shift();
exports.messageOutputFormatInXML = true;
outputFormatInXML = true;
break;
case "-g":
case "--include-debug-symbols":
argv.shift();
var flags = ObjectiveJ.FileExecutable.currentCompilerFlags();
flags.includeMethodFunctionNames = true;
ObjectiveJ.FileExecutable.setCurrentCompilerFlags(flags);
break;
case "-T":
case "--dont-include-type-signatures":
argv.shift();
var flags = ObjectiveJ.FileExecutable.currentCompilerFlags();
flags.includeIvarTypeSignatures = true;
flags.includeMethodArgumentTypeSignatures = true;
ObjectiveJ.FileExecutable.setCurrentCompilerFlags(flags);
break;
case "-O2":
case "--inline-msg-send":
argv.shift();
var flags = ObjectiveJ.FileExecutable.currentCompilerFlags();
flags.inlineMsgSendFunctions = true;
ObjectiveJ.FileExecutable.setCurrentCompilerFlags(flags);
break;
}
}
}
if (argv && argv.length > 0)
{
var endCommand = false,
errors = [];
while (argv.length > 0)
{
var arg0 = argv.shift(),
mainFilePath = FILE.canonical(arg0);
try
{
exports.make_narwhal_factory(mainFilePath)(require, { }, module, system, print);
}
catch(e)
{
errors.push(e);
}
if (typeof main === "function")
{
main([arg0].concat(argv));
endCommand = true;
}
require("browser/timeout").serviceTimeouts();
if (!multipleFiles || endCommand)
break;
ObjectiveJ.Executable.resetCachedFileExecutableSearchers();
ObjectiveJ.StaticResource.resetRootResources();
ObjectiveJ.FileExecutable.resetFileExecutables();
objj_resetRegisterClasses();
}
if (errors.length)
{
// Make sure we get exit will failiure
OS.exit(1);
}
}
else
{
exports.repl();
}
}
exports.repl = function()
{
var READLINE = require("readline");
var historyPath = FILE.path(system.env["HOME"], ".objj_history");
var historyFile = null;
if (historyPath.exists() && READLINE.addHistory) {
historyPath.read({ charset : "UTF-8" }).split("\n").forEach(function(line) {
if (line.trim())
READLINE.addHistory(line);
});
}
try {
historyFile = historyPath.open("a", { charset : "UTF-8" });
} catch (e) {
system.stderr.print("Warning: Can't open history file '"+historyFile+"' for writing.");
}
while (true)
{
try {
system.stdout.write("objj> ").flush();
var line = READLINE.readline();
if (line && historyFile)
historyFile.write(line).write("\n").flush();
var result = exports.objj_eval(line);
if (result !== undefined)
print(result);
} catch (e) {
print(e);
}
require("browser/timeout").serviceTimeouts();
}
};
// creates a narwhal factory function in the objj module scope
exports.make_narwhal_factory = function(path, basePath, filenameTranslateDictionary)
{
return function(require, exports, module, system, print)
{
Executable.setCommonJSParameters("require", "exports", "module", "system", "print", "window");
Executable.setCommonJSArguments(require, exports, module, system, print, window);
filenameTranslateDictionary && Executable.setFilenameTranslateDictionary(filenameTranslateDictionary);
Executable.fileImporterForURL(basePath ? basePath : FILE.dirname(path))(path, YES);
}
};
} // end "with"
var pkg = null;
function getPackage() {
if (!pkg)
pkg = JSON.parse(FILE.path(module.path).dirname().dirname().join("package.json").read({ charset : "UTF-8" }));
return pkg;
}
exports.version = function() { return getPackage()["version"]; }
exports.revision = function() { return getPackage()["cappuccino-revision"]; }
exports.timestamp = function() { return new Date(getPackage()["cappuccino-timestamp"]); }
exports.fullVersionString = function() {
return sprintf("objective-j %s (%04d-%02d-%02d %s)",
exports.version(),
exports.timestamp().getUTCFullYear(),
exports.timestamp().getUTCMonth()+1,
exports.timestamp().getUTCDate(),
exports.revision().slice(0,6)
);
}
global.ObjectiveJ = {};
for (var key in exports)
if (Object.prototype.hasOwnProperty.call(exports, key))
global.ObjectiveJ[key] = exports[key];
if (require.main == module.id)
exports.run(system.args);