diff options
Diffstat (limited to 'node_modules/@webassemblyjs/ast/esm/utils.js')
-rw-r--r-- | node_modules/@webassemblyjs/ast/esm/utils.js | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/node_modules/@webassemblyjs/ast/esm/utils.js b/node_modules/@webassemblyjs/ast/esm/utils.js deleted file mode 100644 index 850410e..0000000 --- a/node_modules/@webassemblyjs/ast/esm/utils.js +++ /dev/null @@ -1,265 +0,0 @@ -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"); } } - -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); } - -import { signatures } from "./signatures"; -import { traverse } from "./traverse"; -import constants from "@webassemblyjs/helper-wasm-bytecode"; -import { getSectionForNode } from "@webassemblyjs/helper-wasm-bytecode"; -export function isAnonymous(ident) { - return ident.raw === ""; -} -export function getSectionMetadata(ast, name) { - var section; - traverse(ast, { - SectionMetadata: function (_SectionMetadata) { - function SectionMetadata(_x) { - return _SectionMetadata.apply(this, arguments); - } - - SectionMetadata.toString = function () { - return _SectionMetadata.toString(); - }; - - return SectionMetadata; - }(function (_ref) { - var node = _ref.node; - - if (node.section === name) { - section = node; - } - }) - }); - return section; -} -export function getSectionMetadatas(ast, name) { - var sections = []; - traverse(ast, { - SectionMetadata: function (_SectionMetadata2) { - function SectionMetadata(_x2) { - return _SectionMetadata2.apply(this, arguments); - } - - SectionMetadata.toString = function () { - return _SectionMetadata2.toString(); - }; - - return SectionMetadata; - }(function (_ref2) { - var node = _ref2.node; - - if (node.section === name) { - sections.push(node); - } - }) - }); - return sections; -} -export function sortSectionMetadata(m) { - if (m.metadata == null) { - console.warn("sortSectionMetadata: no metadata to sort"); - return; - } // $FlowIgnore - - - m.metadata.sections.sort(function (a, b) { - var aId = constants.sections[a.section]; - var bId = constants.sections[b.section]; - - if (typeof aId !== "number" || typeof bId !== "number") { - throw new Error("Section id not found"); - } - - return aId - bId; - }); -} -export function orderedInsertNode(m, n) { - assertHasLoc(n); - var didInsert = false; - - if (n.type === "ModuleExport") { - m.fields.push(n); - return; - } - - m.fields = m.fields.reduce(function (acc, field) { - var fieldEndCol = Infinity; - - if (field.loc != null) { - // $FlowIgnore - fieldEndCol = field.loc.end.column; - } // $FlowIgnore: assertHasLoc ensures that - - - if (didInsert === false && n.loc.start.column < fieldEndCol) { - didInsert = true; - acc.push(n); - } - - acc.push(field); - return acc; - }, []); // Handles empty modules or n is the last element - - if (didInsert === false) { - m.fields.push(n); - } -} -export function assertHasLoc(n) { - if (n.loc == null || n.loc.start == null || n.loc.end == null) { - throw new Error("Internal failure: node (".concat(JSON.stringify(n.type), ") has no location information")); - } -} -export function getEndOfSection(s) { - assertHasLoc(s.size); - return s.startOffset + s.size.value + ( // $FlowIgnore - s.size.loc.end.column - s.size.loc.start.column); -} -export function shiftLoc(node, delta) { - // $FlowIgnore - node.loc.start.column += delta; // $FlowIgnore - - node.loc.end.column += delta; -} -export function shiftSection(ast, node, delta) { - if (node.type !== "SectionMetadata") { - throw new Error("Can not shift node " + JSON.stringify(node.type)); - } - - node.startOffset += delta; - - if (_typeof(node.size.loc) === "object") { - shiftLoc(node.size, delta); - } // Custom sections doesn't have vectorOfSize - - - if (_typeof(node.vectorOfSize) === "object" && _typeof(node.vectorOfSize.loc) === "object") { - shiftLoc(node.vectorOfSize, delta); - } - - var sectionName = node.section; // shift node locations within that section - - traverse(ast, { - Node: function Node(_ref3) { - var node = _ref3.node; - var section = getSectionForNode(node); - - if (section === sectionName && _typeof(node.loc) === "object") { - shiftLoc(node, delta); - } - } - }); -} -export function signatureForOpcode(object, name) { - var opcodeName = name; - - if (object !== undefined && object !== "") { - opcodeName = object + "." + name; - } - - var sign = signatures[opcodeName]; - - if (sign == undefined) { - // TODO: Uncomment this when br_table and others has been done - //throw new Error("Invalid opcode: "+opcodeName); - return [object, object]; - } - - return sign[0]; -} -export function getUniqueNameGenerator() { - var inc = {}; - return function () { - var prefix = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : "temp"; - - if (!(prefix in inc)) { - inc[prefix] = 0; - } else { - inc[prefix] = inc[prefix] + 1; - } - - return prefix + "_" + inc[prefix]; - }; -} -export function getStartByteOffset(n) { - // $FlowIgnore - if (typeof n.loc === "undefined" || typeof n.loc.start === "undefined") { - throw new Error( // $FlowIgnore - "Can not get byte offset without loc informations, node: " + String(n.id)); - } - - return n.loc.start.column; -} -export function getEndByteOffset(n) { - // $FlowIgnore - if (typeof n.loc === "undefined" || typeof n.loc.end === "undefined") { - throw new Error("Can not get byte offset without loc informations, node: " + n.type); - } - - return n.loc.end.column; -} -export function getFunctionBeginingByteOffset(n) { - if (!(n.body.length > 0)) { - throw new Error('n.body.length > 0' + " error: " + (undefined || "unknown")); - } - - var _n$body = _slicedToArray(n.body, 1), - firstInstruction = _n$body[0]; - - return getStartByteOffset(firstInstruction); -} -export function getEndBlockByteOffset(n) { - // $FlowIgnore - if (!(n.instr.length > 0 || n.body.length > 0)) { - throw new Error('n.instr.length > 0 || n.body.length > 0' + " error: " + (undefined || "unknown")); - } - - var lastInstruction; - - if (n.instr) { - // $FlowIgnore - lastInstruction = n.instr[n.instr.length - 1]; - } - - if (n.body) { - // $FlowIgnore - lastInstruction = n.body[n.body.length - 1]; - } - - if (!(_typeof(lastInstruction) === "object")) { - throw new Error('typeof lastInstruction === "object"' + " error: " + (undefined || "unknown")); - } - - // $FlowIgnore - return getStartByteOffset(lastInstruction); -} -export function getStartBlockByteOffset(n) { - // $FlowIgnore - if (!(n.instr.length > 0 || n.body.length > 0)) { - throw new Error('n.instr.length > 0 || n.body.length > 0' + " error: " + (undefined || "unknown")); - } - - var fistInstruction; - - if (n.instr) { - // $FlowIgnore - var _n$instr = _slicedToArray(n.instr, 1); - - fistInstruction = _n$instr[0]; - } - - if (n.body) { - // $FlowIgnore - var _n$body2 = _slicedToArray(n.body, 1); - - fistInstruction = _n$body2[0]; - } - - if (!(_typeof(fistInstruction) === "object")) { - throw new Error('typeof fistInstruction === "object"' + " error: " + (undefined || "unknown")); - } - - // $FlowIgnore - return getStartByteOffset(fistInstruction); -}
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