8889841cREADME.md000066600000000344150513763430006037 0ustar00# @webassemblyjs/wast-parser > WebAssembly text format printer ## Installation ```sh yarn add @webassemblyjs/wast-printer ``` ## Usage ```js import { print } from "@webassemblyjs/wast-printer" console.log(print(ast)); ``` esm/index.js000066600000042132150513763430007012 0ustar00function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } } import { isAnonymous, isInstruction } from "@webassemblyjs/ast"; import Long from "@xtuc/long"; var compact = false; var space = " "; var quote = function quote(str) { return "\"".concat(str, "\""); }; function indent(nb) { return Array(nb).fill(space + space).join(""); } // TODO(sven): allow arbitrary ast nodes export function print(n) { if (n.type === "Program") { return printProgram(n, 0); } else { throw new Error("Unsupported node in print of type: " + String(n.type)); } } function printProgram(n, depth) { return n.body.reduce(function (acc, child) { if (child.type === "Module") { acc += printModule(child, depth + 1); } if (child.type === "Func") { acc += printFunc(child, depth + 1); } if (child.type === "BlockComment") { acc += printBlockComment(child); } if (child.type === "LeadingComment") { acc += printLeadingComment(child); } if (compact === false) { acc += "\n"; } return acc; }, ""); } function printTypeInstruction(n) { var out = ""; out += "("; out += "type"; out += space; if (n.id != null) { out += printIndex(n.id); out += space; } out += "("; out += "func"; n.functype.params.forEach(function (param) { out += space; out += "("; out += "param"; out += space; out += printFuncParam(param); out += ")"; }); n.functype.results.forEach(function (result) { out += space; out += "("; out += "result"; out += space; out += result; out += ")"; }); out += ")"; // func out += ")"; return out; } function printModule(n, depth) { var out = "("; out += "module"; if (typeof n.id === "string") { out += space; out += n.id; } if (compact === false) { out += "\n"; } else { out += space; } n.fields.forEach(function (field) { if (compact === false) { out += indent(depth); } switch (field.type) { case "Func": { out += printFunc(field, depth + 1); break; } case "TypeInstruction": { out += printTypeInstruction(field); break; } case "Table": { out += printTable(field); break; } case "Global": { out += printGlobal(field, depth + 1); break; } case "ModuleExport": { out += printModuleExport(field); break; } case "ModuleImport": { out += printModuleImport(field); break; } case "Memory": { out += printMemory(field); break; } case "BlockComment": { out += printBlockComment(field); break; } case "LeadingComment": { out += printLeadingComment(field); break; } case "Start": { out += printStart(field); break; } case "Elem": { out += printElem(field, depth); break; } case "Data": { out += printData(field, depth); break; } default: throw new Error("Unsupported node in printModule: " + String(field.type)); } if (compact === false) { out += "\n"; } }); out += ")"; return out; } function printData(n, depth) { var out = ""; out += "("; out += "data"; out += space; out += printIndex(n.memoryIndex); out += space; out += printInstruction(n.offset, depth); out += space; out += '"'; n.init.values.forEach(function (byte) { // Avoid non-displayable characters if (byte <= 31 || byte == 34 || byte == 92 || byte >= 127) { out += "\\"; out += ("00" + byte.toString(16)).substr(-2); } else if (byte > 255) { throw new Error("Unsupported byte in data segment: " + byte); } else { out += String.fromCharCode(byte); } }); out += '"'; out += ")"; return out; } function printElem(n, depth) { var out = ""; out += "("; out += "elem"; out += space; out += printIndex(n.table); var _n$offset = _slicedToArray(n.offset, 1), firstOffset = _n$offset[0]; out += space; out += "("; out += "offset"; out += space; out += printInstruction(firstOffset, depth); out += ")"; n.funcs.forEach(function (func) { out += space; out += printIndex(func); }); out += ")"; return out; } function printStart(n) { var out = ""; out += "("; out += "start"; out += space; out += printIndex(n.index); out += ")"; return out; } function printLeadingComment(n) { // Don't print leading comments in compact mode if (compact === true) { return ""; } var out = ""; out += ";;"; out += n.value; out += "\n"; return out; } function printBlockComment(n) { // Don't print block comments in compact mode if (compact === true) { return ""; } var out = ""; out += "(;"; out += n.value; out += ";)"; out += "\n"; return out; } function printSignature(n) { var out = ""; n.params.forEach(function (param) { out += space; out += "("; out += "param"; out += space; out += printFuncParam(param); out += ")"; }); n.results.forEach(function (result) { out += space; out += "("; out += "result"; out += space; out += result; out += ")"; }); return out; } function printModuleImportDescr(n) { var out = ""; if (n.type === "FuncImportDescr") { out += "("; out += "func"; if (isAnonymous(n.id) === false) { out += space; out += printIdentifier(n.id); } out += printSignature(n.signature); out += ")"; } if (n.type === "GlobalType") { out += "("; out += "global"; out += space; out += printGlobalType(n); out += ")"; } if (n.type === "Table") { out += printTable(n); } return out; } function printModuleImport(n) { var out = ""; out += "("; out += "import"; out += space; out += quote(n.module); out += space; out += quote(n.name); out += space; out += printModuleImportDescr(n.descr); out += ")"; return out; } function printGlobalType(n) { var out = ""; if (n.mutability === "var") { out += "("; out += "mut"; out += space; out += n.valtype; out += ")"; } else { out += n.valtype; } return out; } function printGlobal(n, depth) { var out = ""; out += "("; out += "global"; out += space; if (n.name != null && isAnonymous(n.name) === false) { out += printIdentifier(n.name); out += space; } out += printGlobalType(n.globalType); out += space; n.init.forEach(function (i) { out += printInstruction(i, depth + 1); }); out += ")"; return out; } function printTable(n) { var out = ""; out += "("; out += "table"; out += space; if (n.name != null && isAnonymous(n.name) === false) { out += printIdentifier(n.name); out += space; } out += printLimit(n.limits); out += space; out += n.elementType; out += ")"; return out; } function printFuncParam(n) { var out = ""; if (typeof n.id === "string") { out += "$" + n.id; out += space; } out += n.valtype; return out; } function printFunc(n, depth) { var out = ""; out += "("; out += "func"; if (n.name != null) { if (n.name.type === "Identifier" && isAnonymous(n.name) === false) { out += space; out += printIdentifier(n.name); } } if (n.signature.type === "Signature") { out += printSignature(n.signature); } else { var index = n.signature; out += space; out += "("; out += "type"; out += space; out += printIndex(index); out += ")"; } if (n.body.length > 0) { // func is empty since we ignore the default end instruction if (n.body.length === 1 && n.body[0].id === "end") { out += ")"; return out; } if (compact === false) { out += "\n"; } n.body.forEach(function (i) { if (i.id !== "end") { out += indent(depth); out += printInstruction(i, depth); if (compact === false) { out += "\n"; } } }); out += indent(depth - 1) + ")"; } else { out += ")"; } return out; } function printInstruction(n, depth) { switch (n.type) { case "Instr": // $FlowIgnore return printGenericInstruction(n, depth + 1); case "BlockInstruction": // $FlowIgnore return printBlockInstruction(n, depth + 1); case "IfInstruction": // $FlowIgnore return printIfInstruction(n, depth + 1); case "CallInstruction": // $FlowIgnore return printCallInstruction(n, depth + 1); case "CallIndirectInstruction": // $FlowIgnore return printCallIndirectIntruction(n, depth + 1); case "LoopInstruction": // $FlowIgnore return printLoopInstruction(n, depth + 1); default: throw new Error("Unsupported instruction: " + JSON.stringify(n.type)); } } function printCallIndirectIntruction(n, depth) { var out = ""; out += "("; out += "call_indirect"; if (n.signature.type === "Signature") { out += printSignature(n.signature); } else if (n.signature.type === "Identifier") { out += space; out += "("; out += "type"; out += space; out += printIdentifier(n.signature); out += ")"; } else { throw new Error("CallIndirectInstruction: unsupported signature " + JSON.stringify(n.signature.type)); } out += space; if (n.intrs != null) { // $FlowIgnore n.intrs.forEach(function (i, index) { // $FlowIgnore out += printInstruction(i, depth + 1); // $FlowIgnore if (index !== n.intrs.length - 1) { out += space; } }); } out += ")"; return out; } function printLoopInstruction(n, depth) { var out = ""; out += "("; out += "loop"; if (n.label != null && isAnonymous(n.label) === false) { out += space; out += printIdentifier(n.label); } if (typeof n.resulttype === "string") { out += space; out += "("; out += "result"; out += space; out += n.resulttype; out += ")"; } if (n.instr.length > 0) { n.instr.forEach(function (e) { if (compact === false) { out += "\n"; } out += indent(depth); out += printInstruction(e, depth + 1); }); if (compact === false) { out += "\n"; out += indent(depth - 1); } } out += ")"; return out; } function printCallInstruction(n, depth) { var out = ""; out += "("; out += "call"; out += space; out += printIndex(n.index); if (_typeof(n.instrArgs) === "object") { // $FlowIgnore n.instrArgs.forEach(function (arg) { out += space; out += printFuncInstructionArg(arg, depth + 1); }); } out += ")"; return out; } function printIfInstruction(n, depth) { var out = ""; out += "("; out += "if"; if (n.testLabel != null && isAnonymous(n.testLabel) === false) { out += space; out += printIdentifier(n.testLabel); } if (typeof n.result === "string") { out += space; out += "("; out += "result"; out += space; out += n.result; out += ")"; } if (n.test.length > 0) { out += space; n.test.forEach(function (i) { out += printInstruction(i, depth + 1); }); } if (n.consequent.length > 0) { if (compact === false) { out += "\n"; } out += indent(depth); out += "("; out += "then"; depth++; n.consequent.forEach(function (i) { if (compact === false) { out += "\n"; } out += indent(depth); out += printInstruction(i, depth + 1); }); depth--; if (compact === false) { out += "\n"; out += indent(depth); } out += ")"; } else { if (compact === false) { out += "\n"; out += indent(depth); } out += "("; out += "then"; out += ")"; } if (n.alternate.length > 0) { if (compact === false) { out += "\n"; } out += indent(depth); out += "("; out += "else"; depth++; n.alternate.forEach(function (i) { if (compact === false) { out += "\n"; } out += indent(depth); out += printInstruction(i, depth + 1); }); depth--; if (compact === false) { out += "\n"; out += indent(depth); } out += ")"; } else { if (compact === false) { out += "\n"; out += indent(depth); } out += "("; out += "else"; out += ")"; } if (compact === false) { out += "\n"; out += indent(depth - 1); } out += ")"; return out; } function printBlockInstruction(n, depth) { var out = ""; out += "("; out += "block"; if (n.label != null && isAnonymous(n.label) === false) { out += space; out += printIdentifier(n.label); } if (typeof n.result === "string") { out += space; out += "("; out += "result"; out += space; out += n.result; out += ")"; } if (n.instr.length > 0) { n.instr.forEach(function (i) { if (compact === false) { out += "\n"; } out += indent(depth); out += printInstruction(i, depth + 1); }); if (compact === false) { out += "\n"; } out += indent(depth - 1); out += ")"; } else { out += ")"; } return out; } function printGenericInstruction(n, depth) { var out = ""; out += "("; if (typeof n.object === "string") { out += n.object; out += "."; } out += n.id; n.args.forEach(function (arg) { out += space; out += printFuncInstructionArg(arg, depth + 1); }); out += ")"; return out; } function printLongNumberLiteral(n) { if (typeof n.raw === "string") { return n.raw; } var _n$value = n.value, low = _n$value.low, high = _n$value.high; var v = new Long(low, high); return v.toString(); } function printFloatLiteral(n) { if (typeof n.raw === "string") { return n.raw; } return String(n.value); } function printFuncInstructionArg(n, depth) { var out = ""; if (n.type === "NumberLiteral") { out += printNumberLiteral(n); } if (n.type === "LongNumberLiteral") { out += printLongNumberLiteral(n); } if (n.type === "Identifier" && isAnonymous(n) === false) { out += printIdentifier(n); } if (n.type === "ValtypeLiteral") { out += n.name; } if (n.type === "FloatLiteral") { out += printFloatLiteral(n); } if (isInstruction(n)) { out += printInstruction(n, depth + 1); } return out; } function printNumberLiteral(n) { if (typeof n.raw === "string") { return n.raw; } return String(n.value); } function printModuleExport(n) { var out = ""; out += "("; out += "export"; out += space; out += quote(n.name); if (n.descr.exportType === "Func") { out += space; out += "("; out += "func"; out += space; out += printIndex(n.descr.id); out += ")"; } else if (n.descr.exportType === "Global") { out += space; out += "("; out += "global"; out += space; out += printIndex(n.descr.id); out += ")"; } else if (n.descr.exportType === "Memory" || n.descr.exportType === "Mem") { out += space; out += "("; out += "memory"; out += space; out += printIndex(n.descr.id); out += ")"; } else if (n.descr.exportType === "Table") { out += space; out += "("; out += "table"; out += space; out += printIndex(n.descr.id); out += ")"; } else { throw new Error("printModuleExport: unknown type: " + n.descr.exportType); } out += ")"; return out; } function printIdentifier(n) { return "$" + n.value; } function printIndex(n) { if (n.type === "Identifier") { return printIdentifier(n); } else if (n.type === "NumberLiteral") { return printNumberLiteral(n); } else { throw new Error("Unsupported index: " + n.type); } } function printMemory(n) { var out = ""; out += "("; out += "memory"; if (n.id != null) { out += space; out += printIndex(n.id); out += space; } out += printLimit(n.limits); out += ")"; return out; } function printLimit(n) { var out = ""; out += n.min + ""; if (n.max != null) { out += space; out += String(n.max); if (n.shared === true) { out += ' shared'; } } return out; }lib/index.js000066600000042606150513763430007002 0ustar00"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.print = print; var _ast = require("@webassemblyjs/ast"); var _long = _interopRequireDefault(require("@xtuc/long")); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); } function _sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } function _slicedToArray(arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return _sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } } var compact = false; var space = " "; var quote = function quote(str) { return "\"".concat(str, "\""); }; function indent(nb) { return Array(nb).fill(space + space).join(""); } // TODO(sven): allow arbitrary ast nodes function print(n) { if (n.type === "Program") { return printProgram(n, 0); } else { throw new Error("Unsupported node in print of type: " + String(n.type)); } } function printProgram(n, depth) { return n.body.reduce(function (acc, child) { if (child.type === "Module") { acc += printModule(child, depth + 1); } if (child.type === "Func") { acc += printFunc(child, depth + 1); } if (child.type === "BlockComment") { acc += printBlockComment(child); } if (child.type === "LeadingComment") { acc += printLeadingComment(child); } if (compact === false) { acc += "\n"; } return acc; }, ""); } function printTypeInstruction(n) { var out = ""; out += "("; out += "type"; out += space; if (n.id != null) { out += printIndex(n.id); out += space; } out += "("; out += "func"; n.functype.params.forEach(function (param) { out += space; out += "("; out += "param"; out += space; out += printFuncParam(param); out += ")"; }); n.functype.results.forEach(function (result) { out += space; out += "("; out += "result"; out += space; out += result; out += ")"; }); out += ")"; // func out += ")"; return out; } function printModule(n, depth) { var out = "("; out += "module"; if (typeof n.id === "string") { out += space; out += n.id; } if (compact === false) { out += "\n"; } else { out += space; } n.fields.forEach(function (field) { if (compact === false) { out += indent(depth); } switch (field.type) { case "Func": { out += printFunc(field, depth + 1); break; } case "TypeInstruction": { out += printTypeInstruction(field); break; } case "Table": { out += printTable(field); break; } case "Global": { out += printGlobal(field, depth + 1); break; } case "ModuleExport": { out += printModuleExport(field); break; } case "ModuleImport": { out += printModuleImport(field); break; } case "Memory": { out += printMemory(field); break; } case "BlockComment": { out += printBlockComment(field); break; } case "LeadingComment": { out += printLeadingComment(field); break; } case "Start": { out += printStart(field); break; } case "Elem": { out += printElem(field, depth); break; } case "Data": { out += printData(field, depth); break; } default: throw new Error("Unsupported node in printModule: " + String(field.type)); } if (compact === false) { out += "\n"; } }); out += ")"; return out; } function printData(n, depth) { var out = ""; out += "("; out += "data"; out += space; out += printIndex(n.memoryIndex); out += space; out += printInstruction(n.offset, depth); out += space; out += '"'; n.init.values.forEach(function (byte) { // Avoid non-displayable characters if (byte <= 31 || byte == 34 || byte == 92 || byte >= 127) { out += "\\"; out += ("00" + byte.toString(16)).substr(-2); } else if (byte > 255) { throw new Error("Unsupported byte in data segment: " + byte); } else { out += String.fromCharCode(byte); } }); out += '"'; out += ")"; return out; } function printElem(n, depth) { var out = ""; out += "("; out += "elem"; out += space; out += printIndex(n.table); var _n$offset = _slicedToArray(n.offset, 1), firstOffset = _n$offset[0]; out += space; out += "("; out += "offset"; out += space; out += printInstruction(firstOffset, depth); out += ")"; n.funcs.forEach(function (func) { out += space; out += printIndex(func); }); out += ")"; return out; } function printStart(n) { var out = ""; out += "("; out += "start"; out += space; out += printIndex(n.index); out += ")"; return out; } function printLeadingComment(n) { // Don't print leading comments in compact mode if (compact === true) { return ""; } var out = ""; out += ";;"; out += n.value; out += "\n"; return out; } function printBlockComment(n) { // Don't print block comments in compact mode if (compact === true) { return ""; } var out = ""; out += "(;"; out += n.value; out += ";)"; out += "\n"; return out; } function printSignature(n) { var out = ""; n.params.forEach(function (param) { out += space; out += "("; out += "param"; out += space; out += printFuncParam(param); out += ")"; }); n.results.forEach(function (result) { out += space; out += "("; out += "result"; out += space; out += result; out += ")"; }); return out; } function printModuleImportDescr(n) { var out = ""; if (n.type === "FuncImportDescr") { out += "("; out += "func"; if ((0, _ast.isAnonymous)(n.id) === false) { out += space; out += printIdentifier(n.id); } out += printSignature(n.signature); out += ")"; } if (n.type === "GlobalType") { out += "("; out += "global"; out += space; out += printGlobalType(n); out += ")"; } if (n.type === "Table") { out += printTable(n); } return out; } function printModuleImport(n) { var out = ""; out += "("; out += "import"; out += space; out += quote(n.module); out += space; out += quote(n.name); out += space; out += printModuleImportDescr(n.descr); out += ")"; return out; } function printGlobalType(n) { var out = ""; if (n.mutability === "var") { out += "("; out += "mut"; out += space; out += n.valtype; out += ")"; } else { out += n.valtype; } return out; } function printGlobal(n, depth) { var out = ""; out += "("; out += "global"; out += space; if (n.name != null && (0, _ast.isAnonymous)(n.name) === false) { out += printIdentifier(n.name); out += space; } out += printGlobalType(n.globalType); out += space; n.init.forEach(function (i) { out += printInstruction(i, depth + 1); }); out += ")"; return out; } function printTable(n) { var out = ""; out += "("; out += "table"; out += space; if (n.name != null && (0, _ast.isAnonymous)(n.name) === false) { out += printIdentifier(n.name); out += space; } out += printLimit(n.limits); out += space; out += n.elementType; out += ")"; return out; } function printFuncParam(n) { var out = ""; if (typeof n.id === "string") { out += "$" + n.id; out += space; } out += n.valtype; return out; } function printFunc(n, depth) { var out = ""; out += "("; out += "func"; if (n.name != null) { if (n.name.type === "Identifier" && (0, _ast.isAnonymous)(n.name) === false) { out += space; out += printIdentifier(n.name); } } if (n.signature.type === "Signature") { out += printSignature(n.signature); } else { var index = n.signature; out += space; out += "("; out += "type"; out += space; out += printIndex(index); out += ")"; } if (n.body.length > 0) { // func is empty since we ignore the default end instruction if (n.body.length === 1 && n.body[0].id === "end") { out += ")"; return out; } if (compact === false) { out += "\n"; } n.body.forEach(function (i) { if (i.id !== "end") { out += indent(depth); out += printInstruction(i, depth); if (compact === false) { out += "\n"; } } }); out += indent(depth - 1) + ")"; } else { out += ")"; } return out; } function printInstruction(n, depth) { switch (n.type) { case "Instr": // $FlowIgnore return printGenericInstruction(n, depth + 1); case "BlockInstruction": // $FlowIgnore return printBlockInstruction(n, depth + 1); case "IfInstruction": // $FlowIgnore return printIfInstruction(n, depth + 1); case "CallInstruction": // $FlowIgnore return printCallInstruction(n, depth + 1); case "CallIndirectInstruction": // $FlowIgnore return printCallIndirectIntruction(n, depth + 1); case "LoopInstruction": // $FlowIgnore return printLoopInstruction(n, depth + 1); default: throw new Error("Unsupported instruction: " + JSON.stringify(n.type)); } } function printCallIndirectIntruction(n, depth) { var out = ""; out += "("; out += "call_indirect"; if (n.signature.type === "Signature") { out += printSignature(n.signature); } else if (n.signature.type === "Identifier") { out += space; out += "("; out += "type"; out += space; out += printIdentifier(n.signature); out += ")"; } else { throw new Error("CallIndirectInstruction: unsupported signature " + JSON.stringify(n.signature.type)); } out += space; if (n.intrs != null) { // $FlowIgnore n.intrs.forEach(function (i, index) { // $FlowIgnore out += printInstruction(i, depth + 1); // $FlowIgnore if (index !== n.intrs.length - 1) { out += space; } }); } out += ")"; return out; } function printLoopInstruction(n, depth) { var out = ""; out += "("; out += "loop"; if (n.label != null && (0, _ast.isAnonymous)(n.label) === false) { out += space; out += printIdentifier(n.label); } if (typeof n.resulttype === "string") { out += space; out += "("; out += "result"; out += space; out += n.resulttype; out += ")"; } if (n.instr.length > 0) { n.instr.forEach(function (e) { if (compact === false) { out += "\n"; } out += indent(depth); out += printInstruction(e, depth + 1); }); if (compact === false) { out += "\n"; out += indent(depth - 1); } } out += ")"; return out; } function printCallInstruction(n, depth) { var out = ""; out += "("; out += "call"; out += space; out += printIndex(n.index); if (_typeof(n.instrArgs) === "object") { // $FlowIgnore n.instrArgs.forEach(function (arg) { out += space; out += printFuncInstructionArg(arg, depth + 1); }); } out += ")"; return out; } function printIfInstruction(n, depth) { var out = ""; out += "("; out += "if"; if (n.testLabel != null && (0, _ast.isAnonymous)(n.testLabel) === false) { out += space; out += printIdentifier(n.testLabel); } if (typeof n.result === "string") { out += space; out += "("; out += "result"; out += space; out += n.result; out += ")"; } if (n.test.length > 0) { out += space; n.test.forEach(function (i) { out += printInstruction(i, depth + 1); }); } if (n.consequent.length > 0) { if (compact === false) { out += "\n"; } out += indent(depth); out += "("; out += "then"; depth++; n.consequent.forEach(function (i) { if (compact === false) { out += "\n"; } out += indent(depth); out += printInstruction(i, depth + 1); }); depth--; if (compact === false) { out += "\n"; out += indent(depth); } out += ")"; } else { if (compact === false) { out += "\n"; out += indent(depth); } out += "("; out += "then"; out += ")"; } if (n.alternate.length > 0) { if (compact === false) { out += "\n"; } out += indent(depth); out += "("; out += "else"; depth++; n.alternate.forEach(function (i) { if (compact === false) { out += "\n"; } out += indent(depth); out += printInstruction(i, depth + 1); }); depth--; if (compact === false) { out += "\n"; out += indent(depth); } out += ")"; } else { if (compact === false) { out += "\n"; out += indent(depth); } out += "("; out += "else"; out += ")"; } if (compact === false) { out += "\n"; out += indent(depth - 1); } out += ")"; return out; } function printBlockInstruction(n, depth) { var out = ""; out += "("; out += "block"; if (n.label != null && (0, _ast.isAnonymous)(n.label) === false) { out += space; out += printIdentifier(n.label); } if (typeof n.result === "string") { out += space; out += "("; out += "result"; out += space; out += n.result; out += ")"; } if (n.instr.length > 0) { n.instr.forEach(function (i) { if (compact === false) { out += "\n"; } out += indent(depth); out += printInstruction(i, depth + 1); }); if (compact === false) { out += "\n"; } out += indent(depth - 1); out += ")"; } else { out += ")"; } return out; } function printGenericInstruction(n, depth) { var out = ""; out += "("; if (typeof n.object === "string") { out += n.object; out += "."; } out += n.id; n.args.forEach(function (arg) { out += space; out += printFuncInstructionArg(arg, depth + 1); }); out += ")"; return out; } function printLongNumberLiteral(n) { if (typeof n.raw === "string") { return n.raw; } var _n$value = n.value, low = _n$value.low, high = _n$value.high; var v = new _long.default(low, high); return v.toString(); } function printFloatLiteral(n) { if (typeof n.raw === "string") { return n.raw; } return String(n.value); } function printFuncInstructionArg(n, depth) { var out = ""; if (n.type === "NumberLiteral") { out += printNumberLiteral(n); } if (n.type === "LongNumberLiteral") { out += printLongNumberLiteral(n); } if (n.type === "Identifier" && (0, _ast.isAnonymous)(n) === false) { out += printIdentifier(n); } if (n.type === "ValtypeLiteral") { out += n.name; } if (n.type === "FloatLiteral") { out += printFloatLiteral(n); } if ((0, _ast.isInstruction)(n)) { out += printInstruction(n, depth + 1); } return out; } function printNumberLiteral(n) { if (typeof n.raw === "string") { return n.raw; } return String(n.value); } function printModuleExport(n) { var out = ""; out += "("; out += "export"; out += space; out += quote(n.name); if (n.descr.exportType === "Func") { out += space; out += "("; out += "func"; out += space; out += printIndex(n.descr.id); out += ")"; } else if (n.descr.exportType === "Global") { out += space; out += "("; out += "global"; out += space; out += printIndex(n.descr.id); out += ")"; } else if (n.descr.exportType === "Memory" || n.descr.exportType === "Mem") { out += space; out += "("; out += "memory"; out += space; out += printIndex(n.descr.id); out += ")"; } else if (n.descr.exportType === "Table") { out += space; out += "("; out += "table"; out += space; out += printIndex(n.descr.id); out += ")"; } else { throw new Error("printModuleExport: unknown type: " + n.descr.exportType); } out += ")"; return out; } function printIdentifier(n) { return "$" + n.value; } function printIndex(n) { if (n.type === "Identifier") { return printIdentifier(n); } else if (n.type === "NumberLiteral") { return printNumberLiteral(n); } else { throw new Error("Unsupported index: " + n.type); } } function printMemory(n) { var out = ""; out += "("; out += "memory"; if (n.id != null) { out += space; out += printIndex(n.id); out += space; } out += printLimit(n.limits); out += ")"; return out; } function printLimit(n) { var out = ""; out += n.min + ""; if (n.max != null) { out += space; out += String(n.max); if (n.shared === true) { out += ' shared'; } } return out; }LICENSE000066600000002100150513763430005555 0ustar00MIT License Copyright (c) 2018 Sven Sauleau Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. package.json000066600000001423150513763430007045 0ustar00{ "name": "@webassemblyjs/wast-printer", "version": "1.11.1", "description": "WebAssembly text format printer", "main": "lib/index.js", "module": "esm/index.js", "keywords": [ "webassembly", "javascript", "ast", "compiler", "printer", "wast" ], "scripts": { "test": "mocha" }, "author": "Sven Sauleau", "license": "MIT", "dependencies": { "@webassemblyjs/ast": "1.11.1", "@xtuc/long": "4.2.2" }, "devDependencies": { "@webassemblyjs/helper-test-framework": "1.11.1", "@webassemblyjs/wast-parser": "1.11.1" }, "repository": { "type": "git", "url": "https://github.com/xtuc/webassemblyjs.git" }, "publishConfig": { "access": "public" }, "gitHead": "3f07e2db2031afe0ce686630418c542938c1674b" }