ghaction-upx/node_modules/@babel/parser/lib/plugins/estree.js
2020-01-23 08:49:02 +00:00

265 lines
8.6 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _types = require("../tokenizer/types");
var N = _interopRequireWildcard(require("../types"));
var _scopeflags = require("../util/scopeflags");
function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function isSimpleProperty(node) {
return node != null && node.type === "Property" && node.kind === "init" && node.method === false;
}
var _default = superClass => class extends superClass {
estreeParseRegExpLiteral({
pattern,
flags
}) {
let regex = null;
try {
regex = new RegExp(pattern, flags);
} catch (e) {}
const node = this.estreeParseLiteral(regex);
node.regex = {
pattern,
flags
};
return node;
}
estreeParseBigIntLiteral(value) {
const bigInt = typeof BigInt !== "undefined" ? BigInt(value) : null;
const node = this.estreeParseLiteral(bigInt);
node.bigint = String(node.value || value);
return node;
}
estreeParseLiteral(value) {
return this.parseLiteral(value, "Literal");
}
directiveToStmt(directive) {
const directiveLiteral = directive.value;
const stmt = this.startNodeAt(directive.start, directive.loc.start);
const expression = this.startNodeAt(directiveLiteral.start, directiveLiteral.loc.start);
expression.value = directiveLiteral.value;
expression.raw = directiveLiteral.extra.raw;
stmt.expression = this.finishNodeAt(expression, "Literal", directiveLiteral.end, directiveLiteral.loc.end);
stmt.directive = directiveLiteral.extra.raw.slice(1, -1);
return this.finishNodeAt(stmt, "ExpressionStatement", directive.end, directive.loc.end);
}
initFunction(node, isAsync) {
super.initFunction(node, isAsync);
node.expression = false;
}
checkDeclaration(node) {
if (isSimpleProperty(node)) {
this.checkDeclaration(node.value);
} else {
super.checkDeclaration(node);
}
}
checkGetterSetterParams(method) {
const prop = method;
const paramCount = prop.kind === "get" ? 0 : 1;
const start = prop.start;
if (prop.value.params.length !== paramCount) {
if (prop.kind === "get") {
this.raise(start, "getter must not have any formal parameters");
} else {
this.raise(start, "setter must have exactly one formal parameter");
}
} else if (prop.kind === "set" && prop.value.params[0].type === "RestElement") {
this.raise(start, "setter function argument must not be a rest parameter");
}
}
checkLVal(expr, bindingType = _scopeflags.BIND_NONE, checkClashes, contextDescription, disallowLetBinding) {
switch (expr.type) {
case "ObjectPattern":
expr.properties.forEach(prop => {
this.checkLVal(prop.type === "Property" ? prop.value : prop, bindingType, checkClashes, "object destructuring pattern", disallowLetBinding);
});
break;
default:
super.checkLVal(expr, bindingType, checkClashes, contextDescription, disallowLetBinding);
}
}
checkDuplicatedProto(prop, protoRef) {
if (prop.type === "SpreadElement" || prop.computed || prop.method || prop.shorthand) {
return;
}
const key = prop.key;
const name = key.type === "Identifier" ? key.name : String(key.value);
if (name === "__proto__" && prop.kind === "init") {
if (protoRef.used && !protoRef.start) {
protoRef.start = key.start;
}
protoRef.used = true;
}
}
isValidDirective(stmt) {
return stmt.type === "ExpressionStatement" && stmt.expression.type === "Literal" && typeof stmt.expression.value === "string" && (!stmt.expression.extra || !stmt.expression.extra.parenthesized);
}
stmtToDirective(stmt) {
const directive = super.stmtToDirective(stmt);
const value = stmt.expression.value;
directive.value.value = value;
return directive;
}
parseBlockBody(node, allowDirectives, topLevel, end) {
super.parseBlockBody(node, allowDirectives, topLevel, end);
const directiveStatements = node.directives.map(d => this.directiveToStmt(d));
node.body = directiveStatements.concat(node.body);
delete node.directives;
}
pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) {
this.parseMethod(method, isGenerator, isAsync, isConstructor, allowsDirectSuper, "ClassMethod", true);
if (method.typeParameters) {
method.value.typeParameters = method.typeParameters;
delete method.typeParameters;
}
classBody.body.push(method);
}
parseExprAtom(refShorthandDefaultPos) {
switch (this.state.type) {
case _types.types.num:
case _types.types.string:
return this.estreeParseLiteral(this.state.value);
case _types.types.regexp:
return this.estreeParseRegExpLiteral(this.state.value);
case _types.types.bigint:
return this.estreeParseBigIntLiteral(this.state.value);
case _types.types._null:
return this.estreeParseLiteral(null);
case _types.types._true:
return this.estreeParseLiteral(true);
case _types.types._false:
return this.estreeParseLiteral(false);
default:
return super.parseExprAtom(refShorthandDefaultPos);
}
}
parseLiteral(value, type, startPos, startLoc) {
const node = super.parseLiteral(value, type, startPos, startLoc);
node.raw = node.extra.raw;
delete node.extra;
return node;
}
parseFunctionBody(node, allowExpression, isMethod = false) {
super.parseFunctionBody(node, allowExpression, isMethod);
node.expression = node.body.type !== "BlockStatement";
}
parseMethod(node, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope = false) {
let funcNode = this.startNode();
funcNode.kind = node.kind;
funcNode = super.parseMethod(funcNode, isGenerator, isAsync, isConstructor, allowDirectSuper, type, inClassScope);
funcNode.type = "FunctionExpression";
delete funcNode.kind;
node.value = funcNode;
type = type === "ClassMethod" ? "MethodDefinition" : type;
return this.finishNode(node, type);
}
parseObjectMethod(prop, isGenerator, isAsync, isPattern, containsEsc) {
const node = super.parseObjectMethod(prop, isGenerator, isAsync, isPattern, containsEsc);
if (node) {
node.type = "Property";
if (node.kind === "method") node.kind = "init";
node.shorthand = false;
}
return node;
}
parseObjectProperty(prop, startPos, startLoc, isPattern, refShorthandDefaultPos) {
const node = super.parseObjectProperty(prop, startPos, startLoc, isPattern, refShorthandDefaultPos);
if (node) {
node.kind = "init";
node.type = "Property";
}
return node;
}
toAssignable(node, isBinding, contextDescription) {
if (isSimpleProperty(node)) {
this.toAssignable(node.value, isBinding, contextDescription);
return node;
}
return super.toAssignable(node, isBinding, contextDescription);
}
toAssignableObjectExpressionProp(prop, isBinding, isLast) {
if (prop.kind === "get" || prop.kind === "set") {
throw this.raise(prop.key.start, "Object pattern can't contain getter or setter");
} else if (prop.method) {
throw this.raise(prop.key.start, "Object pattern can't contain methods");
} else {
super.toAssignableObjectExpressionProp(prop, isBinding, isLast);
}
}
finishCallExpression(node, optional) {
super.finishCallExpression(node, optional);
if (node.callee.type === "Import") {
node.type = "ImportExpression";
node.source = node.arguments[0];
delete node.arguments;
delete node.callee;
}
return node;
}
toReferencedListDeep(exprList, isParenthesizedExpr) {
if (!exprList) {
return;
}
super.toReferencedListDeep(exprList, isParenthesizedExpr);
}
};
exports.default = _default;