mist/lib/renderer/ninja.js

Mist build system

/*
 * Renders a resolver to a Ninja build file
 *
 * resolver:
 *   A resolver, generated from a Mistfile
 */
var fs, os, path, spawn, tmp;

path = require('path');

os = require('os');

tmp = require('tmp');

fs = require('fs');

spawn = (require('child_process')).spawn;

module.exports.render = function(resolver) {
  var i, k, len, name, out, ref, ref1, ref2, target, targets, v, vars;
  targets = resolver.compile();
  out = ["ninja_required_version = 1.2", "builddir = " + (path.join(resolver.rootDir, '.mist'))];
  out.push2 = function(s) {
    return this.push("  " + s);
  };
  ref = targets.commands;
  for (name in ref) {
    vars = ref[name];
    out.push("rule " + name);
    for (k in vars) {
      v = vars[k];
      out.push2(k + " = " + v);
    }
  }
  ref1 = targets.targets;
  for (i = 0, len = ref1.length; i < len; i++) {
    target = ref1[i];
    out.push(['build', target.outputs, target.auxOutputs, ':', target.command.name, target.inputs, target.dependencies.length ? '|' : '', target.dependencies, target.orderDependencies.length ? '||' : '', target.orderDependencies].flatten().linearize());
    ref2 = target.command.vars;
    for (k in ref2) {
      v = ref2[k];
      out.push2(k + " = " + v);
    }
  }
  out.push('');
  return out.join('\n');
};

module.exports.run = function(resolver, exArgs, proc, opts, exitcb) {
  var args, cb, rendered, tmpFile;
  if (exArgs == null) {
    exArgs = [];
  }
  if (proc == null) {
    proc = 'ninja';
  }
  if (opts == null) {
    opts = {
      stdio: [null, process.stdout, process.stderr]
    };
  }
  if (exitcb == null) {
    exitcb = process.exit;
  }
  rendered = module.exports.render(resolver);
  args = ['-v', '-w', 'dupbuild=err', '-C', resolver.rootDir];
  switch (os.platform()) {
    case 'darwin' || 'linux':
      args.push('-f', '/dev/stdin');
      cb = function(proc) {
        proc.stdin.write(rendered);
        return proc.stdin.end();
      };
      break;
    default:
      tmpFile = tmp.fileSync();
      args.push('-f', tmpFile.name);
      fs.writeSync(tmpFile.fd, rendered);
      fs.closeSync(tmpFile.fd);
  }
  proc = spawn(proc, args.concat(exArgs), opts);
  if (exitcb) {
    proc.on('exit', exitcb);
  }
  if (cb) {
    return cb(proc);
  }
};

//# sourceMappingURL=ninja.js.map