FM / lib

/var/www/flurhymez/node_modules/@webassemblyjs/wasm-parser/lib/

/var/www/flurhymez/node_modules/@webassemblyjs/wasm-parser/lib

Name	Size	Mode	Actions
types/	-	0755	rm
decoder.js	54615	0644	edit dl rm
index.js	6942	0644	edit dl rm

Edit: /var/www/flurhymez/node_modules/@webassemblyjs/wasm-parser/lib/index.js (6942B)

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.decode = decode;

var decoder = _interopRequireWildcard(require("./decoder"));

var t = _interopRequireWildcard(require("@webassemblyjs/ast"));

/**
 * TODO(sven): I added initial props, but we should rather fix
 * https://github.com/xtuc/webassemblyjs/issues/405
 */
var defaultDecoderOpts = {
  dump: false,
  ignoreCodeSection: false,
  ignoreDataSection: false,
  ignoreCustomNameSection: false
}; // traverses the AST, locating function name metadata, which is then
// used to update index-based identifiers with function names

if (functionNames.length === 0) {
    return;
  }

t.traverse(ast, {
    Func: function (_Func) {
      function Func(_x) {
        return _Func.apply(this, arguments);
      }

Func.toString = function () {
        return _Func.toString();
      };

return Func;
    }(function (_ref2) {
      var node = _ref2.node;
      // $FlowIgnore
      var nodeName = node.name;
      var indexBasedFunctionName = nodeName.value;
      var index = Number(indexBasedFunctionName.replace("func_", ""));
      var functionName = functionNames.find(function (f) {
        return f.index === index;
      });

if (functionName) {
        var oldValue = nodeName.value;
        nodeName.value = functionName.name;
        nodeName.numeric = oldValue; // $FlowIgnore

delete nodeName.raw;
      }
    }),
    // Also update the reference in the export
    ModuleExport: function (_ModuleExport) {
      function ModuleExport(_x2) {
        return _ModuleExport.apply(this, arguments);
      }

ModuleExport.toString = function () {
        return _ModuleExport.toString();
      };

return ModuleExport;
    }(function (_ref3) {
      var node = _ref3.node;

if (node.descr.exportType === "Func") {
        // $FlowIgnore
        var nodeName = node.descr.id;
        var index = nodeName.value;
        var functionName = functionNames.find(function (f) {
          return f.index === index;
        });

if (functionName) {
          node.descr.id = t.identifier(functionName.name);
        }
      }
    }),
    ModuleImport: function (_ModuleImport) {
      function ModuleImport(_x3) {
        return _ModuleImport.apply(this, arguments);
      }

ModuleImport.toString = function () {
        return _ModuleImport.toString();
      };

return ModuleImport;
    }(function (_ref4) {
      var node = _ref4.node;

if (node.descr.type === "FuncImportDescr") {
        // $FlowIgnore
        var indexBasedFunctionName = node.descr.id;
        var index = Number(indexBasedFunctionName.replace("func_", ""));
        var functionName = functionNames.find(function (f) {
          return f.index === index;
        });

if (functionName) {
          // $FlowIgnore
          node.descr.id = t.identifier(functionName.name);
        }
      }
    }),
    CallInstruction: function (_CallInstruction) {
      function CallInstruction(_x4) {
        return _CallInstruction.apply(this, arguments);
      }

CallInstruction.toString = function () {
        return _CallInstruction.toString();
      };

return CallInstruction;
    }(function (nodePath) {
      var node = nodePath.node;
      var index = node.index.value;
      var functionName = functionNames.find(function (f) {
        return f.index === index;
      });

if (functionName) {
        var oldValue = node.index;
        node.index = t.identifier(functionName.name);
        node.numeric = oldValue; // $FlowIgnore

delete node.raw;
      }
    })
  });
}

if (localNames.length === 0) {
    return;
  }

t.traverse(ast, {
    Func: function (_Func2) {
      function Func(_x5) {
        return _Func2.apply(this, arguments);
      }

Func.toString = function () {
        return _Func2.toString();
      };

return Func;
    }(function (_ref6) {
      var node = _ref6.node;
      var signature = node.signature;

if (signature.type !== "Signature") {
        return;
      } // $FlowIgnore

var nodeName = node.name;
      var indexBasedFunctionName = nodeName.value;
      var functionIndex = Number(indexBasedFunctionName.replace("func_", ""));
      signature.params.forEach(function (param, paramIndex) {
        var paramName = localNames.find(function (f) {
          return f.localIndex === paramIndex && f.functionIndex === functionIndex;
        });

if (paramName && paramName.name !== "") {
          param.id = paramName.name;
        }
      });
    })
  });
}

function restoreModuleName(ast) {
  t.traverse(ast, {
    ModuleNameMetadata: function (_ModuleNameMetadata) {
      function ModuleNameMetadata(_x6) {
        return _ModuleNameMetadata.apply(this, arguments);
      }

ModuleNameMetadata.toString = function () {
        return _ModuleNameMetadata.toString();
      };

return ModuleNameMetadata;
    }(function (moduleNameMetadataPath) {
      // update module
      t.traverse(ast, {
        Module: function (_Module) {
          function Module(_x7) {
            return _Module.apply(this, arguments);
          }

Module.toString = function () {
            return _Module.toString();
          };

return Module;
        }(function (_ref7) {
          var node = _ref7.node;
          var name = moduleNameMetadataPath.node.value; // compatiblity with wast-parser

if (name === "") {
            name = null;
          }

node.id = name;
        })
      });
    })
  });
}

function decode(buf, customOpts) {
  var opts = Object.assign({}, defaultDecoderOpts, customOpts);
  var ast = decoder.decode(buf, opts);

if (opts.ignoreCustomNameSection === false) {
    restoreFunctionNames(ast);
    restoreLocalNames(ast);
    restoreModuleName(ast);
  }

return ast;
}

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