diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2023-11-01 20:49:36 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-11-01 20:49:36 +0800 |
| commit | e99f950f5018cfe737c0d1150e50d97c6e6a4823 (patch) | |
| tree | 16f329a1b22128ed67f3fcae15a9b0a030f2ccbf /node_modules/@webassemblyjs/ast/lib/transform | |
| parent | c5d8a744dd584749e0b920119b42e731e37e5f62 (diff) | |
update
Diffstat (limited to 'node_modules/@webassemblyjs/ast/lib/transform')
3 files changed, 0 insertions, 710 deletions
diff --git a/node_modules/@webassemblyjs/ast/lib/transform/ast-module-to-module-context/index.js b/node_modules/@webassemblyjs/ast/lib/transform/ast-module-to-module-context/index.js deleted file mode 100644 index 470ebee0..00000000 --- a/node_modules/@webassemblyjs/ast/lib/transform/ast-module-to-module-context/index.js +++ /dev/null @@ -1,389 +0,0 @@ -"use strict"; - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.moduleContextFromModuleAST = moduleContextFromModuleAST; -exports.ModuleContext = void 0; - -var _nodes = require("../../nodes.js"); - -function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } - -function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } - -function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; } - -function moduleContextFromModuleAST(m) { - var moduleContext = new ModuleContext(); - - if (!(m.type === "Module")) { - throw new Error('m.type === "Module"' + " error: " + (undefined || "unknown")); - } - - m.fields.forEach(function (field) { - switch (field.type) { - case "Start": - { - moduleContext.setStart(field.index); - break; - } - - case "TypeInstruction": - { - moduleContext.addType(field); - break; - } - - case "Func": - { - moduleContext.addFunction(field); - break; - } - - case "Global": - { - moduleContext.defineGlobal(field); - break; - } - - case "ModuleImport": - { - switch (field.descr.type) { - case "GlobalType": - { - moduleContext.importGlobal(field.descr.valtype, field.descr.mutability); - break; - } - - case "Memory": - { - moduleContext.addMemory(field.descr.limits.min, field.descr.limits.max); - break; - } - - case "FuncImportDescr": - { - moduleContext.importFunction(field.descr); - break; - } - - case "Table": - { - // FIXME(sven): not implemented yet - break; - } - - default: - throw new Error("Unsupported ModuleImport of type " + JSON.stringify(field.descr.type)); - } - - break; - } - - case "Memory": - { - moduleContext.addMemory(field.limits.min, field.limits.max); - break; - } - } - }); - return moduleContext; -} -/** - * Module context for type checking - */ - - -var ModuleContext = /*#__PURE__*/function () { - function ModuleContext() { - _classCallCheck(this, ModuleContext); - - this.funcs = []; - this.funcsOffsetByIdentifier = []; - this.types = []; - this.globals = []; - this.globalsOffsetByIdentifier = []; - this.mems = []; // Current stack frame - - this.locals = []; - this.labels = []; - this["return"] = []; - this.debugName = "unknown"; - this.start = null; - } - /** - * Set start segment - */ - - - _createClass(ModuleContext, [{ - key: "setStart", - value: function setStart(index) { - this.start = index.value; - } - /** - * Get start function - */ - - }, { - key: "getStart", - value: function getStart() { - return this.start; - } - /** - * Reset the active stack frame - */ - - }, { - key: "newContext", - value: function newContext(debugName, expectedResult) { - this.locals = []; - this.labels = [expectedResult]; - this["return"] = expectedResult; - this.debugName = debugName; - } - /** - * Functions - */ - - }, { - key: "addFunction", - value: function addFunction(func) { - /* eslint-disable */ - // $FlowIgnore - var _ref = func.signature || {}, - _ref$params = _ref.params, - args = _ref$params === void 0 ? [] : _ref$params, - _ref$results = _ref.results, - result = _ref$results === void 0 ? [] : _ref$results; - /* eslint-enable */ - - - args = args.map(function (arg) { - return arg.valtype; - }); - this.funcs.push({ - args: args, - result: result - }); - - if (typeof func.name !== "undefined") { - // $FlowIgnore - this.funcsOffsetByIdentifier[func.name.value] = this.funcs.length - 1; - } - } - }, { - key: "importFunction", - value: function importFunction(funcimport) { - if ((0, _nodes.isSignature)(funcimport.signature)) { - // eslint-disable-next-line prefer-const - var _funcimport$signature = funcimport.signature, - args = _funcimport$signature.params, - result = _funcimport$signature.results; - args = args.map(function (arg) { - return arg.valtype; - }); - this.funcs.push({ - args: args, - result: result - }); - } else { - if (!(0, _nodes.isNumberLiteral)(funcimport.signature)) { - throw new Error('isNumberLiteral(funcimport.signature)' + " error: " + (undefined || "unknown")); - } - - var typeId = funcimport.signature.value; - - if (!this.hasType(typeId)) { - throw new Error('this.hasType(typeId)' + " error: " + (undefined || "unknown")); - } - - var signature = this.getType(typeId); - this.funcs.push({ - args: signature.params.map(function (arg) { - return arg.valtype; - }), - result: signature.results - }); - } - - if (typeof funcimport.id !== "undefined") { - // imports are first, we can assume their index in the array - this.funcsOffsetByIdentifier[funcimport.id.value] = this.funcs.length - 1; - } - } - }, { - key: "hasFunction", - value: function hasFunction(index) { - return typeof this.getFunction(index) !== "undefined"; - } - }, { - key: "getFunction", - value: function getFunction(index) { - if (typeof index !== "number") { - throw new Error("getFunction only supported for number index"); - } - - return this.funcs[index]; - } - }, { - key: "getFunctionOffsetByIdentifier", - value: function getFunctionOffsetByIdentifier(name) { - if (!(typeof name === "string")) { - throw new Error('typeof name === "string"' + " error: " + (undefined || "unknown")); - } - - return this.funcsOffsetByIdentifier[name]; - } - /** - * Labels - */ - - }, { - key: "addLabel", - value: function addLabel(result) { - this.labels.unshift(result); - } - }, { - key: "hasLabel", - value: function hasLabel(index) { - return this.labels.length > index && index >= 0; - } - }, { - key: "getLabel", - value: function getLabel(index) { - return this.labels[index]; - } - }, { - key: "popLabel", - value: function popLabel() { - this.labels.shift(); - } - /** - * Locals - */ - - }, { - key: "hasLocal", - value: function hasLocal(index) { - return typeof this.getLocal(index) !== "undefined"; - } - }, { - key: "getLocal", - value: function getLocal(index) { - return this.locals[index]; - } - }, { - key: "addLocal", - value: function addLocal(type) { - this.locals.push(type); - } - /** - * Types - */ - - }, { - key: "addType", - value: function addType(type) { - if (!(type.functype.type === "Signature")) { - throw new Error('type.functype.type === "Signature"' + " error: " + (undefined || "unknown")); - } - - this.types.push(type.functype); - } - }, { - key: "hasType", - value: function hasType(index) { - return this.types[index] !== undefined; - } - }, { - key: "getType", - value: function getType(index) { - return this.types[index]; - } - /** - * Globals - */ - - }, { - key: "hasGlobal", - value: function hasGlobal(index) { - return this.globals.length > index && index >= 0; - } - }, { - key: "getGlobal", - value: function getGlobal(index) { - return this.globals[index].type; - } - }, { - key: "getGlobalOffsetByIdentifier", - value: function getGlobalOffsetByIdentifier(name) { - if (!(typeof name === "string")) { - throw new Error('typeof name === "string"' + " error: " + (undefined || "unknown")); - } - - // $FlowIgnore - return this.globalsOffsetByIdentifier[name]; - } - }, { - key: "defineGlobal", - value: function defineGlobal(global) { - var type = global.globalType.valtype; - var mutability = global.globalType.mutability; - this.globals.push({ - type: type, - mutability: mutability - }); - - if (typeof global.name !== "undefined") { - // $FlowIgnore - this.globalsOffsetByIdentifier[global.name.value] = this.globals.length - 1; - } - } - }, { - key: "importGlobal", - value: function importGlobal(type, mutability) { - this.globals.push({ - type: type, - mutability: mutability - }); - } - }, { - key: "isMutableGlobal", - value: function isMutableGlobal(index) { - return this.globals[index].mutability === "var"; - } - }, { - key: "isImmutableGlobal", - value: function isImmutableGlobal(index) { - return this.globals[index].mutability === "const"; - } - /** - * Memories - */ - - }, { - key: "hasMemory", - value: function hasMemory(index) { - return this.mems.length > index && index >= 0; - } - }, { - key: "addMemory", - value: function addMemory(min, max) { - this.mems.push({ - min: min, - max: max - }); - } - }, { - key: "getMemory", - value: function getMemory(index) { - return this.mems[index]; - } - }]); - - return ModuleContext; -}(); - -exports.ModuleContext = ModuleContext;
\ No newline at end of file diff --git a/node_modules/@webassemblyjs/ast/lib/transform/denormalize-type-references/index.js b/node_modules/@webassemblyjs/ast/lib/transform/denormalize-type-references/index.js deleted file mode 100644 index 3258f84d..00000000 --- a/node_modules/@webassemblyjs/ast/lib/transform/denormalize-type-references/index.js +++ /dev/null @@ -1,83 +0,0 @@ -"use strict"; - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.transform = transform; - -var t = require("../../index"); // func and call_indirect instructions can either define a signature inline, or -// reference a signature, e.g. -// -// ;; inline signature -// (func (result i64) -// (i64.const 2) -// ) -// ;; signature reference -// (type (func (result i64))) -// (func (type 0) -// (i64.const 2)) -// ) -// -// this AST transform denormalises the type references, making all signatures within the module -// inline. - - -function transform(ast) { - var typeInstructions = []; - t.traverse(ast, { - TypeInstruction: function TypeInstruction(_ref) { - var node = _ref.node; - typeInstructions.push(node); - } - }); - - if (!typeInstructions.length) { - return; - } - - function denormalizeSignature(signature) { - // signature referenced by identifier - if (signature.type === "Identifier") { - var identifier = signature; - var typeInstruction = typeInstructions.find(function (t) { - return t.id.type === identifier.type && t.id.value === identifier.value; - }); - - if (!typeInstruction) { - throw new Error("A type instruction reference was not found ".concat(JSON.stringify(signature))); - } - - return typeInstruction.functype; - } // signature referenced by index - - - if (signature.type === "NumberLiteral") { - var signatureRef = signature; - var _typeInstruction = typeInstructions[signatureRef.value]; - return _typeInstruction.functype; - } - - return signature; - } - - 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; - node.signature = denormalizeSignature(node.signature); - }), - CallIndirectInstruction: function CallIndirectInstruction(_ref3) { - var node = _ref3.node; - node.signature = denormalizeSignature(node.signature); - } - }); -}
\ No newline at end of file diff --git a/node_modules/@webassemblyjs/ast/lib/transform/wast-identifier-to-index/index.js b/node_modules/@webassemblyjs/ast/lib/transform/wast-identifier-to-index/index.js deleted file mode 100644 index 8ab591bd..00000000 --- a/node_modules/@webassemblyjs/ast/lib/transform/wast-identifier-to-index/index.js +++ /dev/null @@ -1,238 +0,0 @@ -"use strict"; - -Object.defineProperty(exports, "__esModule", { - value: true -}); -exports.transform = transform; - -var _index = require("../../index"); - -var _astModuleToModuleContext = require("../ast-module-to-module-context"); - -function _typeof(obj) { "@babel/helpers - typeof"; 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 _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); } - -function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } - -function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } - -function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } - -function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_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 _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } - -// 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); -} - -function transform(ast) { - var module = null; - (0, _index.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; - }) - }); - - if (module == null) { - throw new Error("Module not foudn in program"); - } - - var moduleContext = (0, _astModuleToModuleContext.moduleContextFromModuleAST)(module); // Transform the actual instruction in function bodies - - (0, _index.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 ((0, _index.isIdentifier)(index) === true) { - var offsetInModule = moduleContext.getFunctionOffsetByIdentifier(index.value); - - if (typeof offsetInModule === "undefined") { - throw newUnexpectedFunction(index.value); - } // Replace the index Identifier - // $FlowIgnore: reference? - - - path.node.index = (0, _index.numberLiteralFromRaw)(offsetInModule); - } - }) - }); -} - -function transformFuncPath(funcPath, moduleContext) { - var funcNode = funcPath.node; - var signature = funcNode.signature; - - if (signature.type !== "Signature") { - throw new Error("Function signatures must be denormalised before execution"); - } - - var params = signature.params; // Add func locals in the context - - params.forEach(function (p) { - return moduleContext.addLocal(p.valtype); - }); - (0, _index.traverse)(funcNode, { - Instr: function (_Instr) { - function Instr(_x4) { - return _Instr.apply(this, arguments); - } - - Instr.toString = function () { - return _Instr.toString(); - }; - - return Instr; - }(function (instrPath) { - var instrNode = instrPath.node; - /** - * Local access - */ - - if (instrNode.id === "get_local" || instrNode.id === "set_local" || instrNode.id === "tee_local") { - var _instrNode$args = _slicedToArray(instrNode.args, 1), - firstArg = _instrNode$args[0]; - - if (firstArg.type === "Identifier") { - var offsetInParams = params.findIndex(function (_ref) { - var id = _ref.id; - return id === firstArg.value; - }); - - if (offsetInParams === -1) { - throw new Error("".concat(firstArg.value, " not found in ").concat(instrNode.id, ": not declared in func params")); - } // Replace the Identifer node by our new NumberLiteral node - - - instrNode.args[0] = (0, _index.numberLiteralFromRaw)(offsetInParams); - } - } - /** - * Global access - */ - - - if (instrNode.id === "get_global" || instrNode.id === "set_global") { - var _instrNode$args2 = _slicedToArray(instrNode.args, 1), - _firstArg = _instrNode$args2[0]; - - if ((0, _index.isIdentifier)(_firstArg) === true) { - var globalOffset = moduleContext.getGlobalOffsetByIdentifier( // $FlowIgnore: reference? - _firstArg.value); - - if (typeof globalOffset === "undefined") { - // $FlowIgnore: reference? - throw new Error("global ".concat(_firstArg.value, " not found in module")); - } // Replace the Identifer node by our new NumberLiteral node - - - instrNode.args[0] = (0, _index.numberLiteralFromRaw)(globalOffset); - } - } - /** - * Labels lookup - */ - - - if (instrNode.id === "br") { - var _instrNode$args3 = _slicedToArray(instrNode.args, 1), - _firstArg2 = _instrNode$args3[0]; - - if ((0, _index.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 ((0, _index.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 ((0, _index.isFunc)(node)) { - return false; - } - }); // Replace the Identifer node by our new NumberLiteral node - - instrNode.args[0] = (0, _index.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 ((0, _index.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 = (0, _index.numberLiteralFromRaw)(offsetInModule); - } - }) - }); -}
\ No newline at end of file |
