setup-python/node_modules/@babel/generator/lib/node/parentheses.js

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2019-06-27 09:12:00 +08:00
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.NullableTypeAnnotation = NullableTypeAnnotation;
exports.FunctionTypeAnnotation = FunctionTypeAnnotation;
exports.UpdateExpression = UpdateExpression;
exports.ObjectExpression = ObjectExpression;
exports.DoExpression = DoExpression;
exports.Binary = Binary;
exports.IntersectionTypeAnnotation = exports.UnionTypeAnnotation = UnionTypeAnnotation;
exports.TSAsExpression = TSAsExpression;
exports.TSTypeAssertion = TSTypeAssertion;
exports.TSIntersectionType = exports.TSUnionType = TSUnionType;
exports.BinaryExpression = BinaryExpression;
exports.SequenceExpression = SequenceExpression;
exports.AwaitExpression = exports.YieldExpression = YieldExpression;
exports.ClassExpression = ClassExpression;
exports.UnaryLike = UnaryLike;
exports.FunctionExpression = FunctionExpression;
exports.ArrowFunctionExpression = ArrowFunctionExpression;
exports.ConditionalExpression = ConditionalExpression;
exports.OptionalMemberExpression = OptionalMemberExpression;
exports.AssignmentExpression = AssignmentExpression;
exports.NewExpression = NewExpression;
function t() {
const data = _interopRequireWildcard(require("@babel/types"));
t = function () {
return data;
};
return data;
}
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; } }
const PRECEDENCE = {
"||": 0,
"&&": 1,
"|": 2,
"^": 3,
"&": 4,
"==": 5,
"===": 5,
"!=": 5,
"!==": 5,
"<": 6,
">": 6,
"<=": 6,
">=": 6,
in: 6,
instanceof: 6,
">>": 7,
"<<": 7,
">>>": 7,
"+": 8,
"-": 8,
"*": 9,
"/": 9,
"%": 9,
"**": 10
};
const isClassExtendsClause = (node, parent) => (t().isClassDeclaration(parent) || t().isClassExpression(parent)) && parent.superClass === node;
function NullableTypeAnnotation(node, parent) {
return t().isArrayTypeAnnotation(parent);
}
function FunctionTypeAnnotation(node, parent) {
return t().isUnionTypeAnnotation(parent) || t().isIntersectionTypeAnnotation(parent) || t().isArrayTypeAnnotation(parent);
}
function UpdateExpression(node, parent) {
return t().isMemberExpression(parent, {
object: node
}) || t().isCallExpression(parent, {
callee: node
}) || t().isNewExpression(parent, {
callee: node
}) || isClassExtendsClause(node, parent);
}
function ObjectExpression(node, parent, printStack) {
return isFirstInStatement(printStack, {
considerArrow: true
});
}
function DoExpression(node, parent, printStack) {
return isFirstInStatement(printStack);
}
function Binary(node, parent) {
if (node.operator === "**" && t().isBinaryExpression(parent, {
operator: "**"
})) {
return parent.left === node;
}
if (isClassExtendsClause(node, parent)) {
return true;
}
if ((t().isCallExpression(parent) || t().isNewExpression(parent)) && parent.callee === node || t().isUnaryLike(parent) || t().isMemberExpression(parent) && parent.object === node || t().isAwaitExpression(parent)) {
return true;
}
if (t().isBinary(parent)) {
const parentOp = parent.operator;
const parentPos = PRECEDENCE[parentOp];
const nodeOp = node.operator;
const nodePos = PRECEDENCE[nodeOp];
if (parentPos === nodePos && parent.right === node && !t().isLogicalExpression(parent) || parentPos > nodePos) {
return true;
}
}
return false;
}
function UnionTypeAnnotation(node, parent) {
return t().isArrayTypeAnnotation(parent) || t().isNullableTypeAnnotation(parent) || t().isIntersectionTypeAnnotation(parent) || t().isUnionTypeAnnotation(parent);
}
function TSAsExpression() {
return true;
}
function TSTypeAssertion() {
return true;
}
function TSUnionType(node, parent) {
return t().isTSArrayType(parent) || t().isTSOptionalType(parent) || t().isTSIntersectionType(parent) || t().isTSUnionType(parent) || t().isTSRestType(parent);
}
function BinaryExpression(node, parent) {
return node.operator === "in" && (t().isVariableDeclarator(parent) || t().isFor(parent));
}
function SequenceExpression(node, parent) {
if (t().isForStatement(parent) || t().isThrowStatement(parent) || t().isReturnStatement(parent) || t().isIfStatement(parent) && parent.test === node || t().isWhileStatement(parent) && parent.test === node || t().isForInStatement(parent) && parent.right === node || t().isSwitchStatement(parent) && parent.discriminant === node || t().isExpressionStatement(parent) && parent.expression === node) {
return false;
}
return true;
}
function YieldExpression(node, parent) {
return t().isBinary(parent) || t().isUnaryLike(parent) || t().isCallExpression(parent) || t().isMemberExpression(parent) || t().isNewExpression(parent) || t().isAwaitExpression(parent) && t().isYieldExpression(node) || t().isConditionalExpression(parent) && node === parent.test || isClassExtendsClause(node, parent);
}
function ClassExpression(node, parent, printStack) {
return isFirstInStatement(printStack, {
considerDefaultExports: true
});
}
function UnaryLike(node, parent) {
return t().isMemberExpression(parent, {
object: node
}) || t().isCallExpression(parent, {
callee: node
}) || t().isNewExpression(parent, {
callee: node
}) || t().isBinaryExpression(parent, {
operator: "**",
left: node
}) || isClassExtendsClause(node, parent);
}
function FunctionExpression(node, parent, printStack) {
return isFirstInStatement(printStack, {
considerDefaultExports: true
});
}
function ArrowFunctionExpression(node, parent) {
return t().isExportDeclaration(parent) || ConditionalExpression(node, parent);
}
function ConditionalExpression(node, parent) {
if (t().isUnaryLike(parent) || t().isBinary(parent) || t().isConditionalExpression(parent, {
test: node
}) || t().isAwaitExpression(parent) || t().isOptionalMemberExpression(parent) || t().isTaggedTemplateExpression(parent) || t().isTSTypeAssertion(parent) || t().isTSAsExpression(parent)) {
return true;
}
return UnaryLike(node, parent);
}
function OptionalMemberExpression(node, parent) {
return t().isCallExpression(parent) || t().isMemberExpression(parent);
}
function AssignmentExpression(node) {
if (t().isObjectPattern(node.left)) {
return true;
} else {
return ConditionalExpression(...arguments);
}
}
function NewExpression(node, parent) {
return isClassExtendsClause(node, parent);
}
function isFirstInStatement(printStack, {
considerArrow = false,
considerDefaultExports = false
} = {}) {
let i = printStack.length - 1;
let node = printStack[i];
i--;
let parent = printStack[i];
while (i > 0) {
if (t().isExpressionStatement(parent, {
expression: node
}) || t().isTaggedTemplateExpression(parent) || considerDefaultExports && t().isExportDefaultDeclaration(parent, {
declaration: node
}) || considerArrow && t().isArrowFunctionExpression(parent, {
body: node
})) {
return true;
}
if (t().isCallExpression(parent, {
callee: node
}) || t().isSequenceExpression(parent) && parent.expressions[0] === node || t().isMemberExpression(parent, {
object: node
}) || t().isConditional(parent, {
test: node
}) || t().isBinary(parent, {
left: node
}) || t().isAssignmentExpression(parent, {
left: node
})) {
node = parent;
i--;
parent = printStack[i];
} else {
return false;
}
}
return false;
}