diff options
Diffstat (limited to 'node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js')
| -rw-r--r-- | node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js b/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js deleted file mode 100644 index bea35f35..00000000 --- a/node_modules/@webassemblyjs/ast/esm/transform/wast-identifier-to-index/index.js +++ /dev/null @@ -1,216 +0,0 @@ -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 { isBlock, isFunc, isIdentifier, numberLiteralFromRaw, traverse } from "../../index"; -import { moduleContextFromModuleAST } from "@webassemblyjs/helper-module-context"; // FIXME(sven): do the same with all block instructions, must be more generic here - -function newUnexpectedFunction(i) { - return new Error("unknown function at offset: " + i); -} - -export function transform(ast) { - var module; - traverse(ast, { - Module: function (_Module) { - function Module(_x) { - return _Module.apply(this, arguments); - } - - Module.toString = function () { - return _Module.toString(); - }; - - return Module; - }(function (path) { - module = path.node; - }) - }); - var moduleContext = moduleContextFromModuleAST(module); // Transform the actual instruction in function bodies - - traverse(ast, { - Func: function (_Func) { - function Func(_x2) { - return _Func.apply(this, arguments); - } - - Func.toString = function () { - return _Func.toString(); - }; - - return Func; - }(function (path) { - transformFuncPath(path, moduleContext); - }), - Start: function (_Start) { - function Start(_x3) { - return _Start.apply(this, arguments); - } - - Start.toString = function () { - return _Start.toString(); - }; - - return Start; - }(function (path) { - var index = path.node.index; - - if (isIdentifier(index) === true) { - var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value); - - if (typeof offsetInModule === "undefined") { - throw newUnexpectedFunction(index.value); - } // Replace the index Identifier - // $FlowIgnore: reference? - - - path.node.index = numberLiteralFromRaw(offsetInModule); - } - }) - }); -} - -function transformFuncPath(funcPath, moduleContext) { - var funcNode = funcPath.node; - var signature = funcNode.signature; - - if (signature.type !== "Signature") { - throw new Error("Function signatures must be denormalised before execution"); - } - - var params = signature.params; // Add func locals in the context - - params.forEach(function (p) { - return moduleContext.addLocal(p.valtype); - }); - traverse(funcNode, { - Instr: function (_Instr) { - function Instr(_x4) { - return _Instr.apply(this, arguments); - } - - Instr.toString = function () { - return _Instr.toString(); - }; - - return Instr; - }(function (instrPath) { - var instrNode = instrPath.node; - /** - * Local access - */ - - if (instrNode.id === "get_local" || instrNode.id === "set_local" || instrNode.id === "tee_local") { - var _instrNode$args = _slicedToArray(instrNode.args, 1), - firstArg = _instrNode$args[0]; - - if (firstArg.type === "Identifier") { - var offsetInParams = params.findIndex(function (_ref) { - var id = _ref.id; - return id === firstArg.value; - }); - - if (offsetInParams === -1) { - throw new Error("".concat(firstArg.value, " not found in ").concat(instrNode.id, ": not declared in func params")); - } // Replace the Identifer node by our new NumberLiteral node - - - instrNode.args[0] = numberLiteralFromRaw(offsetInParams); - } - } - /** - * Global access - */ - - - if (instrNode.id === "get_global" || instrNode.id === "set_global") { - var _instrNode$args2 = _slicedToArray(instrNode.args, 1), - _firstArg = _instrNode$args2[0]; - - if (isIdentifier(_firstArg) === true) { - var globalOffset = moduleContext.getGlobalOffsetByIdentifier( // $FlowIgnore: reference? - _firstArg.value); - - if (typeof globalOffset === "undefined") { - // $FlowIgnore: reference? - throw new Error("global ".concat(_firstArg.value, " not found in module")); - } // Replace the Identifer node by our new NumberLiteral node - - - instrNode.args[0] = numberLiteralFromRaw(globalOffset); - } - } - /** - * Labels lookup - */ - - - if (instrNode.id === "br") { - var _instrNode$args3 = _slicedToArray(instrNode.args, 1), - _firstArg2 = _instrNode$args3[0]; - - if (isIdentifier(_firstArg2) === true) { - // if the labels is not found it is going to be replaced with -1 - // which is invalid. - var relativeBlockCount = -1; // $FlowIgnore: reference? - - instrPath.findParent(function (_ref2) { - var node = _ref2.node; - - if (isBlock(node)) { - relativeBlockCount++; // $FlowIgnore: reference? - - var name = node.label || node.name; - - if (_typeof(name) === "object") { - // $FlowIgnore: isIdentifier ensures that - if (name.value === _firstArg2.value) { - // Found it - return false; - } - } - } - - if (isFunc(node)) { - return false; - } - }); // Replace the Identifer node by our new NumberLiteral node - - instrNode.args[0] = numberLiteralFromRaw(relativeBlockCount); - } - } - }), - - /** - * Func lookup - */ - CallInstruction: function (_CallInstruction) { - function CallInstruction(_x5) { - return _CallInstruction.apply(this, arguments); - } - - CallInstruction.toString = function () { - return _CallInstruction.toString(); - }; - - return CallInstruction; - }(function (_ref3) { - var node = _ref3.node; - var index = node.index; - - if (isIdentifier(index) === true) { - var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value); - - if (typeof offsetInModule === "undefined") { - throw newUnexpectedFunction(index.value); - } // Replace the index Identifier - // $FlowIgnore: reference? - - - node.index = numberLiteralFromRaw(offsetInModule); - } - }) - }); -}
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