ethers.js/packages/cli/lib/bin/ethers-asm.js
2020-02-06 18:21:34 -05:00

250 lines
12 KiB
JavaScript
Executable File

#!/usr/bin/env node
"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var fs_1 = __importDefault(require("fs"));
var path_1 = require("path");
var asm_1 = require("@ethersproject/asm");
var cli_1 = require("../cli");
function repeat(text, length) {
if (text.length === 0) {
throw new Error("boo");
}
var result = text;
while (result.length < length) {
result += result;
}
return result.substring(0, length);
}
var cli = new cli_1.CLI(null, {
account: false,
provider: false,
transaction: false
});
var AssemblePlugin = /** @class */ (function (_super) {
__extends(AssemblePlugin, _super);
function AssemblePlugin() {
return _super !== null && _super.apply(this, arguments) || this;
}
AssemblePlugin.getHelp = function () {
return {
name: "[ FILENAME ]",
help: "Process the file (or stdin)"
};
};
AssemblePlugin.getOptionHelp = function () {
return [
{
name: "--define KEY=VALUE",
help: "provide assembler defines"
},
{
name: "--disassemble",
help: "Disassemble input bytecode"
},
{
name: "--ignore-warnings",
help: "Ignore warnings"
},
{
name: "--pic",
help: "generate position independent code"
},
{
name: "--target LABEL",
help: "output LABEL bytecode (default: _)"
},
];
};
AssemblePlugin.prototype.prepareOptions = function (argParser) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, _super.prototype.prepareOptions.call(this, argParser)];
case 1:
_a.sent();
// Get all the --define key=value pairs
this.defines = {};
argParser.consumeOptions("define").forEach(function (pair) {
var match = pair.match(/([a-z][a-z0-9_]+)(=.*)?/i);
if (!match) {
_this.throwError("invalid define: " + pair);
}
_this.defines[match[1]] = (match[2] ? match[2].substring(1) : true);
});
// We are disassembling...
this.disassemble = argParser.consumeFlag("disassemble");
this.ignoreWarnings = argParser.consumeFlag("ignore-warnings");
this.pic = argParser.consumeFlag("pic");
this.target = argParser.consumeOption("target");
return [2 /*return*/];
}
});
});
};
AssemblePlugin.prototype.prepareArgs = function (args) {
return __awaiter(this, void 0, void 0, function () {
var _a, bytecodes_1, leftovers, chunks, offset, column, prefix, lineNo, line, output;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, _super.prototype.prepareArgs.call(this, args)];
case 1:
_b.sent();
if (!(args.length > 1)) return [3 /*break*/, 2];
this.throwError("assembler requires at most one FILENAME");
return [3 /*break*/, 5];
case 2:
if (!(args.length === 1)) return [3 /*break*/, 3];
this.filename = path_1.resolve(args[0]);
this.content = fs_1.default.readFileSync(this.filename).toString();
return [3 /*break*/, 5];
case 3:
_a = this;
return [4 /*yield*/, (new Promise(function (resolve, reject) {
var data = "";
process.stdin.setEncoding('utf8');
process.stdin.on("data", function (chunk) {
data += chunk;
});
process.stdin.on("end", function () {
resolve(data);
});
process.stdin.on("error", function (error) {
reject(error);
});
}))];
case 4:
_a.content = _b.sent();
_b.label = 5;
case 5:
if (this.disassemble) {
bytecodes_1 = [];
leftovers = this.content.replace(/(?:(?:0x)?((:?[0-9a-f][0-9a-f])*))/gi, function (all, bytecode) {
bytecodes_1.push(bytecode);
return repeat(" ", all.length);
});
if (leftovers.trim()) {
chunks = leftovers.split(/(\s+)/);
offset = (chunks[0] ? 0 : chunks[1].length);
column = (chunks[0] ? 0 : chunks[1].split(/[\r\n]/).pop().length);
prefix = this.content.substring(0, offset);
lineNo = prefix.length - prefix.replace(/\r|\n|\r\n/g, '').length;
line = this.content.substring(offset - column).split(/\n/)[0];
output = "Invalid Bytecode Character found in line " + (lineNo + 1) + ", column " + (column + 1) + "\n";
output += line + "\n";
output += repeat("-", column) + "^";
this.throwError(output);
}
this.content = "0x" + bytecodes_1.join("");
}
return [2 /*return*/];
}
});
});
};
AssemblePlugin.prototype.run = function () {
return __awaiter(this, void 0, void 0, function () {
var ast, _a, _b, error_1;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
if (!this.disassemble) return [3 /*break*/, 1];
console.log(asm_1.formatBytecode(asm_1.disassemble(this.content)));
return [3 /*break*/, 4];
case 1:
_c.trys.push([1, 3, , 4]);
ast = asm_1.parse(this.content, {
ignoreWarnings: !!this.ignoreWarnings
});
_b = (_a = console).log;
return [4 /*yield*/, asm_1.assemble(ast, {
defines: this.defines,
filename: this.filename,
positionIndependentCode: this.pic,
target: (this.target || "_")
})];
case 2:
_b.apply(_a, [_c.sent()]);
return [3 /*break*/, 4];
case 3:
error_1 = _c.sent();
if (error_1.errors) {
(error_1.errors).forEach(function (error) {
if (error.severity === asm_1.SemanticErrorSeverity.error) {
console.log("Error: " + error.message + " (line: " + (error.node.location.line + 1) + ")");
}
else if (error.severity === asm_1.SemanticErrorSeverity.warning) {
console.log("Warning: " + error.message + " (line: " + (error.node.location.line + 1) + ")");
}
else {
console.log(error);
return;
}
});
}
else {
throw error_1;
}
return [3 /*break*/, 4];
case 4: return [2 /*return*/];
}
});
});
};
return AssemblePlugin;
}(cli_1.Plugin));
cli.setPlugin(AssemblePlugin);
cli.run(process.argv.slice(2));