lepu-test-platform-web/node_modules/babel-generator/lib/generators/statements.js

316 lines
7.4 KiB
JavaScript

"use strict";
exports.__esModule = true;
exports.ThrowStatement = exports.BreakStatement = exports.ReturnStatement = exports.ContinueStatement = exports.ForAwaitStatement = exports.ForOfStatement = exports.ForInStatement = undefined;
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
exports.WithStatement = WithStatement;
exports.IfStatement = IfStatement;
exports.ForStatement = ForStatement;
exports.WhileStatement = WhileStatement;
exports.DoWhileStatement = DoWhileStatement;
exports.LabeledStatement = LabeledStatement;
exports.TryStatement = TryStatement;
exports.CatchClause = CatchClause;
exports.SwitchStatement = SwitchStatement;
exports.SwitchCase = SwitchCase;
exports.DebuggerStatement = DebuggerStatement;
exports.VariableDeclaration = VariableDeclaration;
exports.VariableDeclarator = VariableDeclarator;
var _babelTypes = require("babel-types");
var t = _interopRequireWildcard(_babelTypes);
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)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function WithStatement(node) {
this.word("with");
this.space();
this.token("(");
this.print(node.object, node);
this.token(")");
this.printBlock(node);
}
function IfStatement(node) {
this.word("if");
this.space();
this.token("(");
this.print(node.test, node);
this.token(")");
this.space();
var needsBlock = node.alternate && t.isIfStatement(getLastStatement(node.consequent));
if (needsBlock) {
this.token("{");
this.newline();
this.indent();
}
this.printAndIndentOnComments(node.consequent, node);
if (needsBlock) {
this.dedent();
this.newline();
this.token("}");
}
if (node.alternate) {
if (this.endsWith("}")) this.space();
this.word("else");
this.space();
this.printAndIndentOnComments(node.alternate, node);
}
}
function getLastStatement(statement) {
if (!t.isStatement(statement.body)) return statement;
return getLastStatement(statement.body);
}
function ForStatement(node) {
this.word("for");
this.space();
this.token("(");
this.inForStatementInitCounter++;
this.print(node.init, node);
this.inForStatementInitCounter--;
this.token(";");
if (node.test) {
this.space();
this.print(node.test, node);
}
this.token(";");
if (node.update) {
this.space();
this.print(node.update, node);
}
this.token(")");
this.printBlock(node);
}
function WhileStatement(node) {
this.word("while");
this.space();
this.token("(");
this.print(node.test, node);
this.token(")");
this.printBlock(node);
}
var buildForXStatement = function buildForXStatement(op) {
return function (node) {
this.word("for");
this.space();
if (op === "await") {
this.word("await");
this.space();
}
this.token("(");
this.print(node.left, node);
this.space();
this.word(op === "await" ? "of" : op);
this.space();
this.print(node.right, node);
this.token(")");
this.printBlock(node);
};
};
var ForInStatement = exports.ForInStatement = buildForXStatement("in");
var ForOfStatement = exports.ForOfStatement = buildForXStatement("of");
var ForAwaitStatement = exports.ForAwaitStatement = buildForXStatement("await");
function DoWhileStatement(node) {
this.word("do");
this.space();
this.print(node.body, node);
this.space();
this.word("while");
this.space();
this.token("(");
this.print(node.test, node);
this.token(")");
this.semicolon();
}
function buildLabelStatement(prefix) {
var key = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "label";
return function (node) {
this.word(prefix);
var label = node[key];
if (label) {
this.space();
var terminatorState = this.startTerminatorless();
this.print(label, node);
this.endTerminatorless(terminatorState);
}
this.semicolon();
};
}
var ContinueStatement = exports.ContinueStatement = buildLabelStatement("continue");
var ReturnStatement = exports.ReturnStatement = buildLabelStatement("return", "argument");
var BreakStatement = exports.BreakStatement = buildLabelStatement("break");
var ThrowStatement = exports.ThrowStatement = buildLabelStatement("throw", "argument");
function LabeledStatement(node) {
this.print(node.label, node);
this.token(":");
this.space();
this.print(node.body, node);
}
function TryStatement(node) {
this.word("try");
this.space();
this.print(node.block, node);
this.space();
if (node.handlers) {
this.print(node.handlers[0], node);
} else {
this.print(node.handler, node);
}
if (node.finalizer) {
this.space();
this.word("finally");
this.space();
this.print(node.finalizer, node);
}
}
function CatchClause(node) {
this.word("catch");
this.space();
this.token("(");
this.print(node.param, node);
this.token(")");
this.space();
this.print(node.body, node);
}
function SwitchStatement(node) {
this.word("switch");
this.space();
this.token("(");
this.print(node.discriminant, node);
this.token(")");
this.space();
this.token("{");
this.printSequence(node.cases, node, {
indent: true,
addNewlines: function addNewlines(leading, cas) {
if (!leading && node.cases[node.cases.length - 1] === cas) return -1;
}
});
this.token("}");
}
function SwitchCase(node) {
if (node.test) {
this.word("case");
this.space();
this.print(node.test, node);
this.token(":");
} else {
this.word("default");
this.token(":");
}
if (node.consequent.length) {
this.newline();
this.printSequence(node.consequent, node, { indent: true });
}
}
function DebuggerStatement() {
this.word("debugger");
this.semicolon();
}
function variableDeclarationIdent() {
this.token(",");
this.newline();
if (this.endsWith("\n")) for (var i = 0; i < 4; i++) {
this.space(true);
}
}
function constDeclarationIdent() {
this.token(",");
this.newline();
if (this.endsWith("\n")) for (var i = 0; i < 6; i++) {
this.space(true);
}
}
function VariableDeclaration(node, parent) {
this.word(node.kind);
this.space();
var hasInits = false;
if (!t.isFor(parent)) {
for (var _iterator = node.declarations, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : (0, _getIterator3.default)(_iterator);;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var declar = _ref;
if (declar.init) {
hasInits = true;
}
}
}
var separator = void 0;
if (hasInits) {
separator = node.kind === "const" ? constDeclarationIdent : variableDeclarationIdent;
}
this.printList(node.declarations, node, { separator: separator });
if (t.isFor(parent)) {
if (parent.left === node || parent.init === node) return;
}
this.semicolon();
}
function VariableDeclarator(node) {
this.print(node.id, node);
this.print(node.id.typeAnnotation, node);
if (node.init) {
this.space();
this.token("=");
this.space();
this.print(node.init, node);
}
}