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							- 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"); } }
 
- 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);
 
-   }
 
-   return out;
 
- }
 
 
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