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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
var vm = require('vm');
var util = require('util');
var STATE = 'wait';
function main() {
process.debugPort = 5859;
process.kill(process.pid, 'SIGUSR1');
setTimeout(function() {
stuff(0);
}, 1000);
}
function stuff(count) {
console.log('Doing stuff: %d', count);
STATE = 'vm';
console.log('More stuff: %d', count);
if (STATE === 'done') {
console.log('Done');
} else if (STATE === 'code') {
setTimeout(code, 1000);
} else if(STATE === 'eval') {
test_eval();
} else if(STATE === 'vm') {
test_vm();
} else if(STATE === 'wait') {
setTimeout(function() {
stuff(count+1);
}, 1000);
} else {
throw new Error('Unknown state: ' + STATE);
}
}
function code() {
var code = [
'var foo = "in the code"',
'console.log("This is some code")',
'debugger',
'console.log("foo = " + foo)'
].join('\n');
var runner = Function([], code);
console.log('Run runner in 1s');
setTimeout(run_runner, 1000)
function run_runner() {
console.log('About to run runner');
debugger;
runner();
console.log('Runner done');
}
}
function test_eval() {
console.log('Test eval in 1s');
setTimeout(run_eval, 1000);
var code = [
'var foo = "in eval"',
'console.log("This is eval")',
'debugger',
'console.log("foo = " + foo)'
].join('\n');
function run_eval() {
console.log('Run eval now');
debugger;
eval(code);
}
}
function test_vm() {
console.log('Test vm');
var code = [
'var i = 10',
'setTimeout(hello, 1000)',
'',
'function hello() {',
' debugger',
' console.log("Hello: " + i)',
' if(--i)',
' setTimeout(hello, 1000)',
'}'
].join('\n');
console.log('Run vm now');
var filename = '_couchdb:code.js';
var sandbox = {};
var ok = ['console', 'setTimeout'];
ok.forEach(function(key) {
sandbox[key] = global[key];
});
var ctx = vm.createContext(sandbox);
var script = vm.createScript(code, filename);
var r = script.runInNewContext(sandbox);
console.log('Result:\n%s', util.inspect(r, false, 10));
return r;
}
if (require.main === module) {
main();
}
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