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-rw-r--r--node_modules/@webassemblyjs/ast/lib/utils.js306
1 files changed, 306 insertions, 0 deletions
diff --git a/node_modules/@webassemblyjs/ast/lib/utils.js b/node_modules/@webassemblyjs/ast/lib/utils.js
new file mode 100644
index 0000000..d8330fc
--- /dev/null
+++ b/node_modules/@webassemblyjs/ast/lib/utils.js
@@ -0,0 +1,306 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.isAnonymous = isAnonymous;
+exports.getSectionMetadata = getSectionMetadata;
+exports.getSectionMetadatas = getSectionMetadatas;
+exports.sortSectionMetadata = sortSectionMetadata;
+exports.orderedInsertNode = orderedInsertNode;
+exports.assertHasLoc = assertHasLoc;
+exports.getEndOfSection = getEndOfSection;
+exports.shiftLoc = shiftLoc;
+exports.shiftSection = shiftSection;
+exports.signatureForOpcode = signatureForOpcode;
+exports.getUniqueNameGenerator = getUniqueNameGenerator;
+exports.getStartByteOffset = getStartByteOffset;
+exports.getEndByteOffset = getEndByteOffset;
+exports.getFunctionBeginingByteOffset = getFunctionBeginingByteOffset;
+exports.getEndBlockByteOffset = getEndBlockByteOffset;
+exports.getStartBlockByteOffset = getStartBlockByteOffset;
+
+var _signatures = require("./signatures");
+
+var _traverse = require("./traverse");
+
+var _helperWasmBytecode = _interopRequireWildcard(require("@webassemblyjs/helper-wasm-bytecode"));
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+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); }
+
+function isAnonymous(ident) {
+ return ident.raw === "";
+}
+
+function getSectionMetadata(ast, name) {
+ var section;
+ (0, _traverse.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;
+}
+
+function getSectionMetadatas(ast, name) {
+ var sections = [];
+ (0, _traverse.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;
+}
+
+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 = _helperWasmBytecode.default.sections[a.section];
+ var bId = _helperWasmBytecode.default.sections[b.section];
+
+ if (typeof aId !== "number" || typeof bId !== "number") {
+ throw new Error("Section id not found");
+ }
+
+ return aId - bId;
+ });
+}
+
+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);
+ }
+}
+
+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"));
+ }
+}
+
+function getEndOfSection(s) {
+ assertHasLoc(s.size);
+ return s.startOffset + s.size.value + ( // $FlowIgnore
+ s.size.loc.end.column - s.size.loc.start.column);
+}
+
+function shiftLoc(node, delta) {
+ // $FlowIgnore
+ node.loc.start.column += delta; // $FlowIgnore
+
+ node.loc.end.column += delta;
+}
+
+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
+
+ (0, _traverse.traverse)(ast, {
+ Node: function Node(_ref3) {
+ var node = _ref3.node;
+ var section = (0, _helperWasmBytecode.getSectionForNode)(node);
+
+ if (section === sectionName && _typeof(node.loc) === "object") {
+ shiftLoc(node, delta);
+ }
+ }
+ });
+}
+
+function signatureForOpcode(object, name) {
+ var opcodeName = name;
+
+ if (object !== undefined && object !== "") {
+ opcodeName = object + "." + name;
+ }
+
+ var sign = _signatures.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];
+}
+
+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];
+ };
+}
+
+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;
+}
+
+function getEndByteOffset(n) {
+ // $FlowIgnore
+ if (typeof n.loc === "undefined" || typeof n.loc.end === "undefined") {
+ throw new Error("Can not get byte offset without loc informations, node: " + n.type);
+ }
+
+ return n.loc.end.column;
+}
+
+function getFunctionBeginingByteOffset(n) {
+ if (!(n.body.length > 0)) {
+ throw new Error('n.body.length > 0' + " error: " + (undefined || "unknown"));
+ }
+
+ var _n$body = _slicedToArray(n.body, 1),
+ firstInstruction = _n$body[0];
+
+ return getStartByteOffset(firstInstruction);
+}
+
+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);
+}
+
+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);
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-23 13:26:43 +0000