go-ethereum/jsre/pp_js.go

138 lines
3.8 KiB
Go

// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package jsre
const pp_js = `
function pp(object, indent) {
try {
JSON.stringify(object)
} catch(e) {
return pp(e, indent);
}
var str = "";
if(object instanceof Array) {
str += "[";
for(var i = 0, l = object.length; i < l; i++) {
str += pp(object[i], indent);
if(i < l-1) {
str += ", ";
}
}
str += " ]";
} else if (object instanceof Error) {
str += "\033[31m" + "Error:\033[0m " + object.message;
} else if (isBigNumber(object)) {
str += "\033[32m'" + object.toString(10) + "'";
} else if(typeof(object) === "object") {
str += "{\n";
indent += " ";
var fields = getFields(object);
var last = fields[fields.length - 1];
fields.forEach(function (key) {
str += indent + key + ": ";
try {
str += pp(object[key], indent);
} catch (e) {
str += pp(e, indent);
}
if(key !== last) {
str += ",";
}
str += "\n";
});
str += indent.substr(2, indent.length) + "}";
} else if(typeof(object) === "string") {
str += "\033[32m'" + object + "'";
} else if(typeof(object) === "undefined") {
str += "\033[1m\033[30m" + object;
} else if(typeof(object) === "number") {
str += "\033[31m" + object;
} else if(typeof(object) === "function") {
str += "\033[35m" + object.toString().split(" {")[0];
} else {
str += object;
}
str += "\033[0m";
return str;
}
var redundantFields = [
'valueOf',
'toString',
'toLocaleString',
'hasOwnProperty',
'isPrototypeOf',
'propertyIsEnumerable',
'constructor'
];
var getFields = function (object) {
var members = Object.getOwnPropertyNames(object);
if (object.constructor && object.constructor.prototype) {
members = members.concat(Object.getOwnPropertyNames(object.constructor.prototype));
}
var fields = members.filter(function (member) {
return !isMemberFunction(object, member)
}).sort()
var funcs = members.filter(function (member) {
return isMemberFunction(object, member)
}).sort()
var results = fields.concat(funcs);
return results.filter(function (field) {
return redundantFields.indexOf(field) === -1;
});
};
var isMemberFunction = function(object, member) {
try {
return typeof(object[member]) === "function";
} catch(e) {
return false;
}
}
var isBigNumber = function (object) {
var result = typeof BigNumber !== 'undefined' && object instanceof BigNumber;
if (!result) {
if (typeof(object) === "object" && object.constructor != null) {
result = object.constructor.toString().indexOf("function BigNumber(") == 0;
}
}
return result
};
function prettyPrint(/* */) {
var args = arguments;
var ret = "";
for(var i = 0, l = args.length; i < l; i++) {
ret += pp(args[i], "") + "\n";
}
return ret;
}
var print = prettyPrint;
`