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1810 lines
57 KiB
1810 lines
57 KiB
/***********************************************************************
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A JavaScript tokenizer / parser / beautifier / compressor.
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https://github.com/mishoo/UglifyJS2
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-------------------------------- (C) ---------------------------------
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Author: Mihai Bazon
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<mihai.bazon@gmail.com>
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http://mihai.bazon.net/blog
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Distributed under the BSD license:
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Copyright 2012 (c) Mihai Bazon <mihai.bazon@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the following
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disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials
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provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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***********************************************************************/
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import { make_node } from "./utils/index.js";
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import {
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AST_Accessor,
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AST_Array,
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AST_Arrow,
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AST_Assign,
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AST_Atom,
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AST_Await,
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AST_BigInt,
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AST_Binary,
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AST_Block,
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AST_BlockStatement,
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AST_Boolean,
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AST_Break,
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AST_Call,
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AST_Case,
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AST_Catch,
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AST_Chain,
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AST_Class,
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AST_ClassStaticBlock,
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AST_ClassExpression,
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AST_ClassProperty,
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AST_ClassPrivateProperty,
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AST_ConciseMethod,
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AST_Conditional,
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AST_Const,
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AST_Constant,
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AST_Continue,
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AST_Debugger,
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AST_Default,
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AST_DefaultAssign,
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AST_DefClass,
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AST_Definitions,
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AST_Defun,
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AST_Destructuring,
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AST_Directive,
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AST_Do,
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AST_Dot,
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AST_DotHash,
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AST_EmptyStatement,
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AST_Expansion,
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AST_Export,
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AST_False,
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AST_Finally,
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AST_For,
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AST_ForIn,
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AST_ForOf,
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AST_Function,
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AST_Hole,
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AST_If,
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AST_Import,
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AST_ImportMeta,
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AST_Label,
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AST_LabeledStatement,
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AST_LabelRef,
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AST_Lambda,
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AST_Let,
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AST_NameMapping,
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AST_New,
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AST_NewTarget,
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AST_Node,
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AST_Null,
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AST_Number,
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AST_Object,
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AST_ObjectGetter,
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AST_ObjectKeyVal,
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AST_ObjectProperty,
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AST_ObjectSetter,
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AST_PrefixedTemplateString,
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AST_PrivateGetter,
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AST_PrivateMethod,
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AST_PrivateSetter,
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AST_PrivateIn,
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AST_PropAccess,
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AST_RegExp,
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AST_Return,
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AST_Sequence,
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AST_SimpleStatement,
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AST_Statement,
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AST_String,
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AST_Sub,
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AST_Super,
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AST_Switch,
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AST_SwitchBranch,
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AST_Symbol,
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AST_SymbolCatch,
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AST_SymbolClass,
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AST_SymbolClassProperty,
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AST_SymbolPrivateProperty,
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AST_SymbolConst,
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AST_SymbolDefClass,
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AST_SymbolDefun,
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AST_SymbolExport,
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AST_SymbolExportForeign,
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AST_SymbolFunarg,
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AST_SymbolImport,
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AST_SymbolImportForeign,
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AST_SymbolLambda,
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AST_SymbolLet,
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AST_SymbolMethod,
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AST_SymbolRef,
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AST_SymbolVar,
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AST_TemplateSegment,
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AST_TemplateString,
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AST_This,
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AST_Throw,
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AST_Token,
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AST_Toplevel,
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AST_True,
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AST_Try,
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AST_Unary,
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AST_UnaryPostfix,
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AST_UnaryPrefix,
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AST_Var,
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AST_VarDef,
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AST_While,
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AST_With,
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AST_Yield,
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} from "./ast.js";
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import { is_basic_identifier_string } from "./parse.js";
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(function() {
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var normalize_directives = function(body) {
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var in_directive = true;
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for (var i = 0; i < body.length; i++) {
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if (in_directive && body[i] instanceof AST_Statement && body[i].body instanceof AST_String) {
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body[i] = new AST_Directive({
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start: body[i].start,
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end: body[i].end,
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value: body[i].body.value
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});
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} else if (in_directive && !(body[i] instanceof AST_Statement && body[i].body instanceof AST_String)) {
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in_directive = false;
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}
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}
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return body;
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};
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const assert_clause_from_moz = (assertions) => {
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if (assertions && assertions.length > 0) {
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return new AST_Object({
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start: my_start_token(assertions),
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end: my_end_token(assertions),
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properties: assertions.map((assertion_kv) =>
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new AST_ObjectKeyVal({
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start: my_start_token(assertion_kv),
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end: my_end_token(assertion_kv),
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key: assertion_kv.key.name || assertion_kv.key.value,
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value: from_moz(assertion_kv.value)
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})
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)
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});
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}
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return null;
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};
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var MOZ_TO_ME = {
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Program: function(M) {
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return new AST_Toplevel({
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start: my_start_token(M),
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end: my_end_token(M),
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body: normalize_directives(M.body.map(from_moz))
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});
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},
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ArrayPattern: function(M) {
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return new AST_Destructuring({
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start: my_start_token(M),
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end: my_end_token(M),
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names: M.elements.map(function(elm) {
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if (elm === null) {
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return new AST_Hole();
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}
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return from_moz(elm);
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}),
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is_array: true
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});
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},
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ObjectPattern: function(M) {
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return new AST_Destructuring({
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start: my_start_token(M),
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end: my_end_token(M),
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names: M.properties.map(from_moz),
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is_array: false
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});
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},
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AssignmentPattern: function(M) {
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return new AST_DefaultAssign({
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start: my_start_token(M),
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end: my_end_token(M),
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left: from_moz(M.left),
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operator: "=",
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right: from_moz(M.right)
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});
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},
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SpreadElement: function(M) {
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return new AST_Expansion({
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start: my_start_token(M),
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end: my_end_token(M),
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expression: from_moz(M.argument)
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});
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},
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RestElement: function(M) {
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return new AST_Expansion({
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start: my_start_token(M),
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end: my_end_token(M),
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expression: from_moz(M.argument)
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});
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},
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TemplateElement: function(M) {
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return new AST_TemplateSegment({
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start: my_start_token(M),
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end: my_end_token(M),
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value: M.value.cooked,
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raw: M.value.raw
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});
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},
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TemplateLiteral: function(M) {
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var segments = [];
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for (var i = 0; i < M.quasis.length; i++) {
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segments.push(from_moz(M.quasis[i]));
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if (M.expressions[i]) {
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segments.push(from_moz(M.expressions[i]));
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}
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}
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return new AST_TemplateString({
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start: my_start_token(M),
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end: my_end_token(M),
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segments: segments
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});
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},
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TaggedTemplateExpression: function(M) {
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return new AST_PrefixedTemplateString({
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start: my_start_token(M),
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end: my_end_token(M),
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template_string: from_moz(M.quasi),
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prefix: from_moz(M.tag)
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});
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},
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FunctionDeclaration: function(M) {
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return new AST_Defun({
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start: my_start_token(M),
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end: my_end_token(M),
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name: from_moz(M.id),
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argnames: M.params.map(from_moz),
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is_generator: M.generator,
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async: M.async,
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body: normalize_directives(from_moz(M.body).body)
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});
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},
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FunctionExpression: function(M) {
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return new AST_Function({
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start: my_start_token(M),
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end: my_end_token(M),
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name: from_moz(M.id),
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argnames: M.params.map(from_moz),
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is_generator: M.generator,
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async: M.async,
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body: normalize_directives(from_moz(M.body).body)
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});
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},
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ArrowFunctionExpression: function(M) {
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const body = M.body.type === "BlockStatement"
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? from_moz(M.body).body
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: [make_node(AST_Return, {}, { value: from_moz(M.body) })];
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return new AST_Arrow({
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start: my_start_token(M),
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end: my_end_token(M),
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argnames: M.params.map(from_moz),
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body,
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async: M.async,
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});
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},
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ExpressionStatement: function(M) {
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return new AST_SimpleStatement({
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start: my_start_token(M),
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end: my_end_token(M),
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body: from_moz(M.expression)
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});
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},
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TryStatement: function(M) {
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var handlers = M.handlers || [M.handler];
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if (handlers.length > 1 || M.guardedHandlers && M.guardedHandlers.length) {
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throw new Error("Multiple catch clauses are not supported.");
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}
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return new AST_Try({
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start : my_start_token(M),
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end : my_end_token(M),
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body : from_moz(M.block).body,
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bcatch : from_moz(handlers[0]),
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bfinally : M.finalizer ? new AST_Finally(from_moz(M.finalizer)) : null
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});
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},
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Property: function(M) {
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var key = M.key;
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var args = {
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start : my_start_token(key || M.value),
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end : my_end_token(M.value),
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key : key.type == "Identifier" ? key.name : key.value,
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value : from_moz(M.value)
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};
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if (M.computed) {
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args.key = from_moz(M.key);
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}
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if (M.method) {
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args.is_generator = M.value.generator;
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args.async = M.value.async;
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if (!M.computed) {
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args.key = new AST_SymbolMethod({ name: args.key });
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} else {
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args.key = from_moz(M.key);
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}
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return new AST_ConciseMethod(args);
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}
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if (M.kind == "init") {
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if (key.type != "Identifier" && key.type != "Literal") {
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args.key = from_moz(key);
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}
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return new AST_ObjectKeyVal(args);
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}
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if (typeof args.key === "string" || typeof args.key === "number") {
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args.key = new AST_SymbolMethod({
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name: args.key
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});
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}
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args.value = new AST_Accessor(args.value);
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if (M.kind == "get") return new AST_ObjectGetter(args);
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if (M.kind == "set") return new AST_ObjectSetter(args);
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if (M.kind == "method") {
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args.async = M.value.async;
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args.is_generator = M.value.generator;
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args.quote = M.computed ? "\"" : null;
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return new AST_ConciseMethod(args);
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}
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},
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MethodDefinition: function(M) {
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var args = {
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start : my_start_token(M),
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end : my_end_token(M),
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key : M.computed ? from_moz(M.key) : new AST_SymbolMethod({ name: M.key.name || M.key.value }),
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value : from_moz(M.value),
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static : M.static,
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};
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if (M.kind == "get") {
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return new AST_ObjectGetter(args);
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}
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if (M.kind == "set") {
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return new AST_ObjectSetter(args);
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}
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args.is_generator = M.value.generator;
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args.async = M.value.async;
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return new AST_ConciseMethod(args);
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},
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FieldDefinition: function(M) {
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let key;
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if (M.computed) {
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key = from_moz(M.key);
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} else {
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if (M.key.type !== "Identifier") throw new Error("Non-Identifier key in FieldDefinition");
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key = from_moz(M.key);
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}
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return new AST_ClassProperty({
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start : my_start_token(M),
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end : my_end_token(M),
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key,
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value : from_moz(M.value),
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static : M.static,
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});
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},
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PropertyDefinition: function(M) {
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let key;
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if (M.computed) {
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key = from_moz(M.key);
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} else {
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if (M.key.type !== "Identifier" && M.key.type !== "PrivateIdentifier") {
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throw new Error("Non-Identifier key in PropertyDefinition");
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}
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key = from_moz(M.key);
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}
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return new AST_ClassProperty({
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start : my_start_token(M),
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end : my_end_token(M),
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key,
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value : from_moz(M.value),
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static : M.static,
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});
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},
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StaticBlock: function(M) {
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return new AST_ClassStaticBlock({
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start : my_start_token(M),
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end : my_end_token(M),
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body : M.body.map(from_moz),
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});
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},
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ArrayExpression: function(M) {
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return new AST_Array({
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start : my_start_token(M),
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end : my_end_token(M),
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elements : M.elements.map(function(elem) {
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return elem === null ? new AST_Hole() : from_moz(elem);
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})
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});
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},
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ObjectExpression: function(M) {
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return new AST_Object({
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start : my_start_token(M),
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end : my_end_token(M),
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properties : M.properties.map(function(prop) {
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if (prop.type === "SpreadElement") {
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return from_moz(prop);
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}
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prop.type = "Property";
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return from_moz(prop);
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})
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});
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},
|
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|
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SequenceExpression: function(M) {
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return new AST_Sequence({
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start : my_start_token(M),
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end : my_end_token(M),
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expressions: M.expressions.map(from_moz)
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});
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},
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|
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MemberExpression: function(M) {
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return new (M.computed ? AST_Sub : AST_Dot)({
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start : my_start_token(M),
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end : my_end_token(M),
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property : M.computed ? from_moz(M.property) : M.property.name,
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expression : from_moz(M.object),
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optional : M.optional || false
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});
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},
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ChainExpression: function(M) {
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return new AST_Chain({
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start : my_start_token(M),
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end : my_end_token(M),
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expression : from_moz(M.expression)
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});
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},
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SwitchCase: function(M) {
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return new (M.test ? AST_Case : AST_Default)({
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start : my_start_token(M),
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end : my_end_token(M),
|
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expression : from_moz(M.test),
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body : M.consequent.map(from_moz)
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});
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},
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|
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VariableDeclaration: function(M) {
|
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return new (M.kind === "const" ? AST_Const :
|
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M.kind === "let" ? AST_Let : AST_Var)({
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start : my_start_token(M),
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end : my_end_token(M),
|
|
definitions : M.declarations.map(from_moz)
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});
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},
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|
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ImportDeclaration: function(M) {
|
|
var imported_name = null;
|
|
var imported_names = null;
|
|
M.specifiers.forEach(function (specifier) {
|
|
if (specifier.type === "ImportSpecifier") {
|
|
if (!imported_names) { imported_names = []; }
|
|
imported_names.push(new AST_NameMapping({
|
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start: my_start_token(specifier),
|
|
end: my_end_token(specifier),
|
|
foreign_name: from_moz(specifier.imported),
|
|
name: from_moz(specifier.local)
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|
}));
|
|
} else if (specifier.type === "ImportDefaultSpecifier") {
|
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imported_name = from_moz(specifier.local);
|
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} else if (specifier.type === "ImportNamespaceSpecifier") {
|
|
if (!imported_names) { imported_names = []; }
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imported_names.push(new AST_NameMapping({
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start: my_start_token(specifier),
|
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end: my_end_token(specifier),
|
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foreign_name: new AST_SymbolImportForeign({ name: "*" }),
|
|
name: from_moz(specifier.local)
|
|
}));
|
|
}
|
|
});
|
|
return new AST_Import({
|
|
start : my_start_token(M),
|
|
end : my_end_token(M),
|
|
imported_name: imported_name,
|
|
imported_names : imported_names,
|
|
module_name : from_moz(M.source),
|
|
assert_clause: assert_clause_from_moz(M.assertions)
|
|
});
|
|
},
|
|
|
|
ExportAllDeclaration: function(M) {
|
|
return new AST_Export({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
exported_names: [
|
|
new AST_NameMapping({
|
|
name: new AST_SymbolExportForeign({ name: "*" }),
|
|
foreign_name: new AST_SymbolExportForeign({ name: "*" })
|
|
})
|
|
],
|
|
module_name: from_moz(M.source),
|
|
assert_clause: assert_clause_from_moz(M.assertions)
|
|
});
|
|
},
|
|
|
|
ExportNamedDeclaration: function(M) {
|
|
return new AST_Export({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
exported_definition: from_moz(M.declaration),
|
|
exported_names: M.specifiers && M.specifiers.length ? M.specifiers.map(function (specifier) {
|
|
return new AST_NameMapping({
|
|
foreign_name: from_moz(specifier.exported),
|
|
name: from_moz(specifier.local)
|
|
});
|
|
}) : null,
|
|
module_name: from_moz(M.source),
|
|
assert_clause: assert_clause_from_moz(M.assertions)
|
|
});
|
|
},
|
|
|
|
ExportDefaultDeclaration: function(M) {
|
|
return new AST_Export({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
exported_value: from_moz(M.declaration),
|
|
is_default: true
|
|
});
|
|
},
|
|
|
|
Literal: function(M) {
|
|
var val = M.value, args = {
|
|
start : my_start_token(M),
|
|
end : my_end_token(M)
|
|
};
|
|
var rx = M.regex;
|
|
if (rx && rx.pattern) {
|
|
// RegExpLiteral as per ESTree AST spec
|
|
args.value = {
|
|
source: rx.pattern,
|
|
flags: rx.flags
|
|
};
|
|
return new AST_RegExp(args);
|
|
} else if (rx) {
|
|
// support legacy RegExp
|
|
const rx_source = M.raw || val;
|
|
const match = rx_source.match(/^\/(.*)\/(\w*)$/);
|
|
if (!match) throw new Error("Invalid regex source " + rx_source);
|
|
const [_, source, flags] = match;
|
|
args.value = { source, flags };
|
|
return new AST_RegExp(args);
|
|
}
|
|
if (val === null) return new AST_Null(args);
|
|
switch (typeof val) {
|
|
case "string":
|
|
args.value = val;
|
|
return new AST_String(args);
|
|
case "number":
|
|
args.value = val;
|
|
args.raw = M.raw || val.toString();
|
|
return new AST_Number(args);
|
|
case "boolean":
|
|
return new (val ? AST_True : AST_False)(args);
|
|
}
|
|
},
|
|
|
|
MetaProperty: function(M) {
|
|
if (M.meta.name === "new" && M.property.name === "target") {
|
|
return new AST_NewTarget({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M)
|
|
});
|
|
} else if (M.meta.name === "import" && M.property.name === "meta") {
|
|
return new AST_ImportMeta({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M)
|
|
});
|
|
}
|
|
},
|
|
|
|
Identifier: function(M) {
|
|
var p = FROM_MOZ_STACK[FROM_MOZ_STACK.length - 2];
|
|
return new ( p.type == "LabeledStatement" ? AST_Label
|
|
: p.type == "VariableDeclarator" && p.id === M ? (p.kind == "const" ? AST_SymbolConst : p.kind == "let" ? AST_SymbolLet : AST_SymbolVar)
|
|
: /Import.*Specifier/.test(p.type) ? (p.local === M ? AST_SymbolImport : AST_SymbolImportForeign)
|
|
: p.type == "ExportSpecifier" ? (p.local === M ? AST_SymbolExport : AST_SymbolExportForeign)
|
|
: p.type == "FunctionExpression" ? (p.id === M ? AST_SymbolLambda : AST_SymbolFunarg)
|
|
: p.type == "FunctionDeclaration" ? (p.id === M ? AST_SymbolDefun : AST_SymbolFunarg)
|
|
: p.type == "ArrowFunctionExpression" ? (p.params.includes(M)) ? AST_SymbolFunarg : AST_SymbolRef
|
|
: p.type == "ClassExpression" ? (p.id === M ? AST_SymbolClass : AST_SymbolRef)
|
|
: p.type == "Property" ? (p.key === M && p.computed || p.value === M ? AST_SymbolRef : AST_SymbolMethod)
|
|
: p.type == "PropertyDefinition" || p.type === "FieldDefinition" ? (p.key === M && p.computed || p.value === M ? AST_SymbolRef : AST_SymbolClassProperty)
|
|
: p.type == "ClassDeclaration" ? (p.id === M ? AST_SymbolDefClass : AST_SymbolRef)
|
|
: p.type == "MethodDefinition" ? (p.computed ? AST_SymbolRef : AST_SymbolMethod)
|
|
: p.type == "CatchClause" ? AST_SymbolCatch
|
|
: p.type == "BreakStatement" || p.type == "ContinueStatement" ? AST_LabelRef
|
|
: AST_SymbolRef)({
|
|
start : my_start_token(M),
|
|
end : my_end_token(M),
|
|
name : M.name
|
|
});
|
|
},
|
|
|
|
BigIntLiteral(M) {
|
|
return new AST_BigInt({
|
|
start : my_start_token(M),
|
|
end : my_end_token(M),
|
|
value : M.value
|
|
});
|
|
},
|
|
|
|
EmptyStatement: function(M) {
|
|
return new AST_EmptyStatement({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M)
|
|
});
|
|
},
|
|
|
|
BlockStatement: function(M) {
|
|
return new AST_BlockStatement({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
body: M.body.map(from_moz)
|
|
});
|
|
},
|
|
|
|
IfStatement: function(M) {
|
|
return new AST_If({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
condition: from_moz(M.test),
|
|
body: from_moz(M.consequent),
|
|
alternative: from_moz(M.alternate)
|
|
});
|
|
},
|
|
|
|
LabeledStatement: function(M) {
|
|
return new AST_LabeledStatement({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
label: from_moz(M.label),
|
|
body: from_moz(M.body)
|
|
});
|
|
},
|
|
|
|
BreakStatement: function(M) {
|
|
return new AST_Break({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
label: from_moz(M.label)
|
|
});
|
|
},
|
|
|
|
ContinueStatement: function(M) {
|
|
return new AST_Continue({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
label: from_moz(M.label)
|
|
});
|
|
},
|
|
|
|
WithStatement: function(M) {
|
|
return new AST_With({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.object),
|
|
body: from_moz(M.body)
|
|
});
|
|
},
|
|
|
|
SwitchStatement: function(M) {
|
|
return new AST_Switch({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.discriminant),
|
|
body: M.cases.map(from_moz)
|
|
});
|
|
},
|
|
|
|
ReturnStatement: function(M) {
|
|
return new AST_Return({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
value: from_moz(M.argument)
|
|
});
|
|
},
|
|
|
|
ThrowStatement: function(M) {
|
|
return new AST_Throw({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
value: from_moz(M.argument)
|
|
});
|
|
},
|
|
|
|
WhileStatement: function(M) {
|
|
return new AST_While({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
condition: from_moz(M.test),
|
|
body: from_moz(M.body)
|
|
});
|
|
},
|
|
|
|
DoWhileStatement: function(M) {
|
|
return new AST_Do({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
condition: from_moz(M.test),
|
|
body: from_moz(M.body)
|
|
});
|
|
},
|
|
|
|
ForStatement: function(M) {
|
|
return new AST_For({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
init: from_moz(M.init),
|
|
condition: from_moz(M.test),
|
|
step: from_moz(M.update),
|
|
body: from_moz(M.body)
|
|
});
|
|
},
|
|
|
|
ForInStatement: function(M) {
|
|
return new AST_ForIn({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
init: from_moz(M.left),
|
|
object: from_moz(M.right),
|
|
body: from_moz(M.body)
|
|
});
|
|
},
|
|
|
|
ForOfStatement: function(M) {
|
|
return new AST_ForOf({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
init: from_moz(M.left),
|
|
object: from_moz(M.right),
|
|
body: from_moz(M.body),
|
|
await: M.await
|
|
});
|
|
},
|
|
|
|
AwaitExpression: function(M) {
|
|
return new AST_Await({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.argument)
|
|
});
|
|
},
|
|
|
|
YieldExpression: function(M) {
|
|
return new AST_Yield({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.argument),
|
|
is_star: M.delegate
|
|
});
|
|
},
|
|
|
|
DebuggerStatement: function(M) {
|
|
return new AST_Debugger({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M)
|
|
});
|
|
},
|
|
|
|
VariableDeclarator: function(M) {
|
|
return new AST_VarDef({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
name: from_moz(M.id),
|
|
value: from_moz(M.init)
|
|
});
|
|
},
|
|
|
|
CatchClause: function(M) {
|
|
return new AST_Catch({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
argname: from_moz(M.param),
|
|
body: from_moz(M.body).body
|
|
});
|
|
},
|
|
|
|
ThisExpression: function(M) {
|
|
return new AST_This({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M)
|
|
});
|
|
},
|
|
|
|
Super: function(M) {
|
|
return new AST_Super({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M)
|
|
});
|
|
},
|
|
|
|
BinaryExpression: function(M) {
|
|
if (M.left.type === "PrivateIdentifier") {
|
|
return new AST_PrivateIn({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
key: new AST_SymbolPrivateProperty({
|
|
start: my_start_token(M.left),
|
|
end: my_end_token(M.left),
|
|
name: M.left.name
|
|
}),
|
|
value: from_moz(M.right),
|
|
});
|
|
}
|
|
return new AST_Binary({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
operator: M.operator,
|
|
left: from_moz(M.left),
|
|
right: from_moz(M.right)
|
|
});
|
|
},
|
|
|
|
LogicalExpression: function(M) {
|
|
return new AST_Binary({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
operator: M.operator,
|
|
left: from_moz(M.left),
|
|
right: from_moz(M.right)
|
|
});
|
|
},
|
|
|
|
AssignmentExpression: function(M) {
|
|
return new AST_Assign({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
operator: M.operator,
|
|
left: from_moz(M.left),
|
|
right: from_moz(M.right)
|
|
});
|
|
},
|
|
|
|
ConditionalExpression: function(M) {
|
|
return new AST_Conditional({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
condition: from_moz(M.test),
|
|
consequent: from_moz(M.consequent),
|
|
alternative: from_moz(M.alternate)
|
|
});
|
|
},
|
|
|
|
NewExpression: function(M) {
|
|
return new AST_New({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.callee),
|
|
args: M.arguments.map(from_moz)
|
|
});
|
|
},
|
|
|
|
CallExpression: function(M) {
|
|
return new AST_Call({
|
|
start: my_start_token(M),
|
|
end: my_end_token(M),
|
|
expression: from_moz(M.callee),
|
|
optional: M.optional,
|
|
args: M.arguments.map(from_moz)
|
|
});
|
|
}
|
|
};
|
|
|
|
MOZ_TO_ME.UpdateExpression =
|
|
MOZ_TO_ME.UnaryExpression = function To_Moz_Unary(M) {
|
|
var prefix = "prefix" in M ? M.prefix
|
|
: M.type == "UnaryExpression" ? true : false;
|
|
return new (prefix ? AST_UnaryPrefix : AST_UnaryPostfix)({
|
|
start : my_start_token(M),
|
|
end : my_end_token(M),
|
|
operator : M.operator,
|
|
expression : from_moz(M.argument)
|
|
});
|
|
};
|
|
|
|
MOZ_TO_ME.ClassDeclaration =
|
|
MOZ_TO_ME.ClassExpression = function From_Moz_Class(M) {
|
|
return new (M.type === "ClassDeclaration" ? AST_DefClass : AST_ClassExpression)({
|
|
start : my_start_token(M),
|
|
end : my_end_token(M),
|
|
name : from_moz(M.id),
|
|
extends : from_moz(M.superClass),
|
|
properties: M.body.body.map(from_moz)
|
|
});
|
|
};
|
|
|
|
def_to_moz(AST_EmptyStatement, function To_Moz_EmptyStatement() {
|
|
return {
|
|
type: "EmptyStatement"
|
|
};
|
|
});
|
|
def_to_moz(AST_BlockStatement, function To_Moz_BlockStatement(M) {
|
|
return {
|
|
type: "BlockStatement",
|
|
body: M.body.map(to_moz)
|
|
};
|
|
});
|
|
def_to_moz(AST_If, function To_Moz_IfStatement(M) {
|
|
return {
|
|
type: "IfStatement",
|
|
test: to_moz(M.condition),
|
|
consequent: to_moz(M.body),
|
|
alternate: to_moz(M.alternative)
|
|
};
|
|
});
|
|
def_to_moz(AST_LabeledStatement, function To_Moz_LabeledStatement(M) {
|
|
return {
|
|
type: "LabeledStatement",
|
|
label: to_moz(M.label),
|
|
body: to_moz(M.body)
|
|
};
|
|
});
|
|
def_to_moz(AST_Break, function To_Moz_BreakStatement(M) {
|
|
return {
|
|
type: "BreakStatement",
|
|
label: to_moz(M.label)
|
|
};
|
|
});
|
|
def_to_moz(AST_Continue, function To_Moz_ContinueStatement(M) {
|
|
return {
|
|
type: "ContinueStatement",
|
|
label: to_moz(M.label)
|
|
};
|
|
});
|
|
def_to_moz(AST_With, function To_Moz_WithStatement(M) {
|
|
return {
|
|
type: "WithStatement",
|
|
object: to_moz(M.expression),
|
|
body: to_moz(M.body)
|
|
};
|
|
});
|
|
def_to_moz(AST_Switch, function To_Moz_SwitchStatement(M) {
|
|
return {
|
|
type: "SwitchStatement",
|
|
discriminant: to_moz(M.expression),
|
|
cases: M.body.map(to_moz)
|
|
};
|
|
});
|
|
def_to_moz(AST_Return, function To_Moz_ReturnStatement(M) {
|
|
return {
|
|
type: "ReturnStatement",
|
|
argument: to_moz(M.value)
|
|
};
|
|
});
|
|
def_to_moz(AST_Throw, function To_Moz_ThrowStatement(M) {
|
|
return {
|
|
type: "ThrowStatement",
|
|
argument: to_moz(M.value)
|
|
};
|
|
});
|
|
def_to_moz(AST_While, function To_Moz_WhileStatement(M) {
|
|
return {
|
|
type: "WhileStatement",
|
|
test: to_moz(M.condition),
|
|
body: to_moz(M.body)
|
|
};
|
|
});
|
|
def_to_moz(AST_Do, function To_Moz_DoWhileStatement(M) {
|
|
return {
|
|
type: "DoWhileStatement",
|
|
test: to_moz(M.condition),
|
|
body: to_moz(M.body)
|
|
};
|
|
});
|
|
def_to_moz(AST_For, function To_Moz_ForStatement(M) {
|
|
return {
|
|
type: "ForStatement",
|
|
init: to_moz(M.init),
|
|
test: to_moz(M.condition),
|
|
update: to_moz(M.step),
|
|
body: to_moz(M.body)
|
|
};
|
|
});
|
|
def_to_moz(AST_ForIn, function To_Moz_ForInStatement(M) {
|
|
return {
|
|
type: "ForInStatement",
|
|
left: to_moz(M.init),
|
|
right: to_moz(M.object),
|
|
body: to_moz(M.body)
|
|
};
|
|
});
|
|
def_to_moz(AST_ForOf, function To_Moz_ForOfStatement(M) {
|
|
return {
|
|
type: "ForOfStatement",
|
|
left: to_moz(M.init),
|
|
right: to_moz(M.object),
|
|
body: to_moz(M.body),
|
|
await: M.await
|
|
};
|
|
});
|
|
def_to_moz(AST_Await, function To_Moz_AwaitExpression(M) {
|
|
return {
|
|
type: "AwaitExpression",
|
|
argument: to_moz(M.expression)
|
|
};
|
|
});
|
|
def_to_moz(AST_Yield, function To_Moz_YieldExpression(M) {
|
|
return {
|
|
type: "YieldExpression",
|
|
argument: to_moz(M.expression),
|
|
delegate: M.is_star
|
|
};
|
|
});
|
|
def_to_moz(AST_Debugger, function To_Moz_DebuggerStatement() {
|
|
return {
|
|
type: "DebuggerStatement"
|
|
};
|
|
});
|
|
def_to_moz(AST_VarDef, function To_Moz_VariableDeclarator(M) {
|
|
return {
|
|
type: "VariableDeclarator",
|
|
id: to_moz(M.name),
|
|
init: to_moz(M.value)
|
|
};
|
|
});
|
|
def_to_moz(AST_Catch, function To_Moz_CatchClause(M) {
|
|
return {
|
|
type: "CatchClause",
|
|
param: to_moz(M.argname),
|
|
body: to_moz_block(M)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_This, function To_Moz_ThisExpression() {
|
|
return {
|
|
type: "ThisExpression"
|
|
};
|
|
});
|
|
def_to_moz(AST_Super, function To_Moz_Super() {
|
|
return {
|
|
type: "Super"
|
|
};
|
|
});
|
|
def_to_moz(AST_Binary, function To_Moz_BinaryExpression(M) {
|
|
return {
|
|
type: "BinaryExpression",
|
|
operator: M.operator,
|
|
left: to_moz(M.left),
|
|
right: to_moz(M.right)
|
|
};
|
|
});
|
|
def_to_moz(AST_Binary, function To_Moz_LogicalExpression(M) {
|
|
return {
|
|
type: "LogicalExpression",
|
|
operator: M.operator,
|
|
left: to_moz(M.left),
|
|
right: to_moz(M.right)
|
|
};
|
|
});
|
|
def_to_moz(AST_Assign, function To_Moz_AssignmentExpression(M) {
|
|
return {
|
|
type: "AssignmentExpression",
|
|
operator: M.operator,
|
|
left: to_moz(M.left),
|
|
right: to_moz(M.right)
|
|
};
|
|
});
|
|
def_to_moz(AST_Conditional, function To_Moz_ConditionalExpression(M) {
|
|
return {
|
|
type: "ConditionalExpression",
|
|
test: to_moz(M.condition),
|
|
consequent: to_moz(M.consequent),
|
|
alternate: to_moz(M.alternative)
|
|
};
|
|
});
|
|
def_to_moz(AST_New, function To_Moz_NewExpression(M) {
|
|
return {
|
|
type: "NewExpression",
|
|
callee: to_moz(M.expression),
|
|
arguments: M.args.map(to_moz)
|
|
};
|
|
});
|
|
def_to_moz(AST_Call, function To_Moz_CallExpression(M) {
|
|
return {
|
|
type: "CallExpression",
|
|
callee: to_moz(M.expression),
|
|
optional: M.optional,
|
|
arguments: M.args.map(to_moz)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Toplevel, function To_Moz_Program(M) {
|
|
return to_moz_scope("Program", M);
|
|
});
|
|
|
|
def_to_moz(AST_Expansion, function To_Moz_Spread(M) {
|
|
return {
|
|
type: to_moz_in_destructuring() ? "RestElement" : "SpreadElement",
|
|
argument: to_moz(M.expression)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_PrefixedTemplateString, function To_Moz_TaggedTemplateExpression(M) {
|
|
return {
|
|
type: "TaggedTemplateExpression",
|
|
tag: to_moz(M.prefix),
|
|
quasi: to_moz(M.template_string)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_TemplateString, function To_Moz_TemplateLiteral(M) {
|
|
var quasis = [];
|
|
var expressions = [];
|
|
for (var i = 0; i < M.segments.length; i++) {
|
|
if (i % 2 !== 0) {
|
|
expressions.push(to_moz(M.segments[i]));
|
|
} else {
|
|
quasis.push({
|
|
type: "TemplateElement",
|
|
value: {
|
|
raw: M.segments[i].raw,
|
|
cooked: M.segments[i].value
|
|
},
|
|
tail: i === M.segments.length - 1
|
|
});
|
|
}
|
|
}
|
|
return {
|
|
type: "TemplateLiteral",
|
|
quasis: quasis,
|
|
expressions: expressions
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Defun, function To_Moz_FunctionDeclaration(M) {
|
|
return {
|
|
type: "FunctionDeclaration",
|
|
id: to_moz(M.name),
|
|
params: M.argnames.map(to_moz),
|
|
generator: M.is_generator,
|
|
async: M.async,
|
|
body: to_moz_scope("BlockStatement", M)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Function, function To_Moz_FunctionExpression(M, parent) {
|
|
var is_generator = parent.is_generator !== undefined ?
|
|
parent.is_generator : M.is_generator;
|
|
return {
|
|
type: "FunctionExpression",
|
|
id: to_moz(M.name),
|
|
params: M.argnames.map(to_moz),
|
|
generator: is_generator,
|
|
async: M.async,
|
|
body: to_moz_scope("BlockStatement", M)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Arrow, function To_Moz_ArrowFunctionExpression(M) {
|
|
var body = {
|
|
type: "BlockStatement",
|
|
body: M.body.map(to_moz)
|
|
};
|
|
return {
|
|
type: "ArrowFunctionExpression",
|
|
params: M.argnames.map(to_moz),
|
|
async: M.async,
|
|
body: body
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Destructuring, function To_Moz_ObjectPattern(M) {
|
|
if (M.is_array) {
|
|
return {
|
|
type: "ArrayPattern",
|
|
elements: M.names.map(to_moz)
|
|
};
|
|
}
|
|
return {
|
|
type: "ObjectPattern",
|
|
properties: M.names.map(to_moz)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Directive, function To_Moz_Directive(M) {
|
|
return {
|
|
type: "ExpressionStatement",
|
|
expression: {
|
|
type: "Literal",
|
|
value: M.value,
|
|
raw: M.print_to_string()
|
|
},
|
|
directive: M.value
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_SimpleStatement, function To_Moz_ExpressionStatement(M) {
|
|
return {
|
|
type: "ExpressionStatement",
|
|
expression: to_moz(M.body)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_SwitchBranch, function To_Moz_SwitchCase(M) {
|
|
return {
|
|
type: "SwitchCase",
|
|
test: to_moz(M.expression),
|
|
consequent: M.body.map(to_moz)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Try, function To_Moz_TryStatement(M) {
|
|
return {
|
|
type: "TryStatement",
|
|
block: to_moz_block(M),
|
|
handler: to_moz(M.bcatch),
|
|
guardedHandlers: [],
|
|
finalizer: to_moz(M.bfinally)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Catch, function To_Moz_CatchClause(M) {
|
|
return {
|
|
type: "CatchClause",
|
|
param: to_moz(M.argname),
|
|
guard: null,
|
|
body: to_moz_block(M)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Definitions, function To_Moz_VariableDeclaration(M) {
|
|
return {
|
|
type: "VariableDeclaration",
|
|
kind:
|
|
M instanceof AST_Const ? "const" :
|
|
M instanceof AST_Let ? "let" : "var",
|
|
declarations: M.definitions.map(to_moz)
|
|
};
|
|
});
|
|
|
|
const assert_clause_to_moz = assert_clause => {
|
|
const assertions = [];
|
|
if (assert_clause) {
|
|
for (const { key, value } of assert_clause.properties) {
|
|
const key_moz = is_basic_identifier_string(key)
|
|
? { type: "Identifier", name: key }
|
|
: { type: "Literal", value: key, raw: JSON.stringify(key) };
|
|
assertions.push({
|
|
type: "ImportAttribute",
|
|
key: key_moz,
|
|
value: to_moz(value)
|
|
});
|
|
}
|
|
}
|
|
return assertions;
|
|
};
|
|
|
|
def_to_moz(AST_Export, function To_Moz_ExportDeclaration(M) {
|
|
if (M.exported_names) {
|
|
if (M.exported_names[0].name.name === "*") {
|
|
return {
|
|
type: "ExportAllDeclaration",
|
|
source: to_moz(M.module_name),
|
|
assertions: assert_clause_to_moz(M.assert_clause)
|
|
};
|
|
}
|
|
return {
|
|
type: "ExportNamedDeclaration",
|
|
specifiers: M.exported_names.map(function (name_mapping) {
|
|
return {
|
|
type: "ExportSpecifier",
|
|
exported: to_moz(name_mapping.foreign_name),
|
|
local: to_moz(name_mapping.name)
|
|
};
|
|
}),
|
|
declaration: to_moz(M.exported_definition),
|
|
source: to_moz(M.module_name),
|
|
assertions: assert_clause_to_moz(M.assert_clause)
|
|
};
|
|
}
|
|
return {
|
|
type: M.is_default ? "ExportDefaultDeclaration" : "ExportNamedDeclaration",
|
|
declaration: to_moz(M.exported_value || M.exported_definition)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Import, function To_Moz_ImportDeclaration(M) {
|
|
var specifiers = [];
|
|
if (M.imported_name) {
|
|
specifiers.push({
|
|
type: "ImportDefaultSpecifier",
|
|
local: to_moz(M.imported_name)
|
|
});
|
|
}
|
|
if (M.imported_names && M.imported_names[0].foreign_name.name === "*") {
|
|
specifiers.push({
|
|
type: "ImportNamespaceSpecifier",
|
|
local: to_moz(M.imported_names[0].name)
|
|
});
|
|
} else if (M.imported_names) {
|
|
M.imported_names.forEach(function(name_mapping) {
|
|
specifiers.push({
|
|
type: "ImportSpecifier",
|
|
local: to_moz(name_mapping.name),
|
|
imported: to_moz(name_mapping.foreign_name)
|
|
});
|
|
});
|
|
}
|
|
return {
|
|
type: "ImportDeclaration",
|
|
specifiers: specifiers,
|
|
source: to_moz(M.module_name),
|
|
assertions: assert_clause_to_moz(M.assert_clause)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_ImportMeta, function To_Moz_MetaProperty() {
|
|
return {
|
|
type: "MetaProperty",
|
|
meta: {
|
|
type: "Identifier",
|
|
name: "import"
|
|
},
|
|
property: {
|
|
type: "Identifier",
|
|
name: "meta"
|
|
}
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Sequence, function To_Moz_SequenceExpression(M) {
|
|
return {
|
|
type: "SequenceExpression",
|
|
expressions: M.expressions.map(to_moz)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_DotHash, function To_Moz_PrivateMemberExpression(M) {
|
|
return {
|
|
type: "MemberExpression",
|
|
object: to_moz(M.expression),
|
|
computed: false,
|
|
property: {
|
|
type: "PrivateIdentifier",
|
|
name: M.property
|
|
},
|
|
optional: M.optional
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_PropAccess, function To_Moz_MemberExpression(M) {
|
|
var isComputed = M instanceof AST_Sub;
|
|
return {
|
|
type: "MemberExpression",
|
|
object: to_moz(M.expression),
|
|
computed: isComputed,
|
|
property: isComputed ? to_moz(M.property) : {type: "Identifier", name: M.property},
|
|
optional: M.optional
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Chain, function To_Moz_ChainExpression(M) {
|
|
return {
|
|
type: "ChainExpression",
|
|
expression: to_moz(M.expression)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Unary, function To_Moz_Unary(M) {
|
|
return {
|
|
type: M.operator == "++" || M.operator == "--" ? "UpdateExpression" : "UnaryExpression",
|
|
operator: M.operator,
|
|
prefix: M instanceof AST_UnaryPrefix,
|
|
argument: to_moz(M.expression)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Binary, function To_Moz_BinaryExpression(M) {
|
|
if (M.operator == "=" && to_moz_in_destructuring()) {
|
|
return {
|
|
type: "AssignmentPattern",
|
|
left: to_moz(M.left),
|
|
right: to_moz(M.right)
|
|
};
|
|
}
|
|
|
|
const type = M.operator == "&&" || M.operator == "||" || M.operator === "??"
|
|
? "LogicalExpression"
|
|
: "BinaryExpression";
|
|
|
|
return {
|
|
type,
|
|
left: to_moz(M.left),
|
|
operator: M.operator,
|
|
right: to_moz(M.right)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_PrivateIn, function To_Moz_BinaryExpression_PrivateIn(M) {
|
|
return {
|
|
type: "BinaryExpression",
|
|
left: { type: "PrivateIdentifier", name: M.key.name },
|
|
operator: "in",
|
|
right: to_moz(M.value),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Array, function To_Moz_ArrayExpression(M) {
|
|
return {
|
|
type: "ArrayExpression",
|
|
elements: M.elements.map(to_moz)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Object, function To_Moz_ObjectExpression(M) {
|
|
return {
|
|
type: "ObjectExpression",
|
|
properties: M.properties.map(to_moz)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_ObjectProperty, function To_Moz_Property(M, parent) {
|
|
var key = M.key instanceof AST_Node ? to_moz(M.key) : {
|
|
type: "Identifier",
|
|
value: M.key
|
|
};
|
|
if (typeof M.key === "number") {
|
|
key = {
|
|
type: "Literal",
|
|
value: Number(M.key)
|
|
};
|
|
}
|
|
if (typeof M.key === "string") {
|
|
key = {
|
|
type: "Identifier",
|
|
name: M.key
|
|
};
|
|
}
|
|
var kind;
|
|
var string_or_num = typeof M.key === "string" || typeof M.key === "number";
|
|
var computed = string_or_num ? false : !(M.key instanceof AST_Symbol) || M.key instanceof AST_SymbolRef;
|
|
if (M instanceof AST_ObjectKeyVal) {
|
|
kind = "init";
|
|
computed = !string_or_num;
|
|
} else
|
|
if (M instanceof AST_ObjectGetter) {
|
|
kind = "get";
|
|
} else
|
|
if (M instanceof AST_ObjectSetter) {
|
|
kind = "set";
|
|
}
|
|
if (M instanceof AST_PrivateGetter || M instanceof AST_PrivateSetter) {
|
|
const kind = M instanceof AST_PrivateGetter ? "get" : "set";
|
|
return {
|
|
type: "MethodDefinition",
|
|
computed: false,
|
|
kind: kind,
|
|
static: M.static,
|
|
key: {
|
|
type: "PrivateIdentifier",
|
|
name: M.key.name
|
|
},
|
|
value: to_moz(M.value)
|
|
};
|
|
}
|
|
if (M instanceof AST_ClassPrivateProperty) {
|
|
return {
|
|
type: "PropertyDefinition",
|
|
key: {
|
|
type: "PrivateIdentifier",
|
|
name: M.key.name
|
|
},
|
|
value: to_moz(M.value),
|
|
computed: false,
|
|
static: M.static
|
|
};
|
|
}
|
|
if (M instanceof AST_ClassProperty) {
|
|
return {
|
|
type: "PropertyDefinition",
|
|
key,
|
|
value: to_moz(M.value),
|
|
computed,
|
|
static: M.static
|
|
};
|
|
}
|
|
if (parent instanceof AST_Class) {
|
|
return {
|
|
type: "MethodDefinition",
|
|
computed: computed,
|
|
kind: kind,
|
|
static: M.static,
|
|
key: to_moz(M.key),
|
|
value: to_moz(M.value)
|
|
};
|
|
}
|
|
return {
|
|
type: "Property",
|
|
computed: computed,
|
|
kind: kind,
|
|
key: key,
|
|
value: to_moz(M.value)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_ConciseMethod, function To_Moz_MethodDefinition(M, parent) {
|
|
if (parent instanceof AST_Object) {
|
|
return {
|
|
type: "Property",
|
|
computed: !(M.key instanceof AST_Symbol) || M.key instanceof AST_SymbolRef,
|
|
kind: "init",
|
|
method: true,
|
|
shorthand: false,
|
|
key: to_moz(M.key),
|
|
value: to_moz(M.value)
|
|
};
|
|
}
|
|
|
|
const key = M instanceof AST_PrivateMethod
|
|
? {
|
|
type: "PrivateIdentifier",
|
|
name: M.key.name
|
|
}
|
|
: to_moz(M.key);
|
|
|
|
return {
|
|
type: "MethodDefinition",
|
|
kind: M.key === "constructor" ? "constructor" : "method",
|
|
key,
|
|
value: to_moz(M.value),
|
|
computed: !(M.key instanceof AST_Symbol) || M.key instanceof AST_SymbolRef,
|
|
static: M.static,
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Class, function To_Moz_Class(M) {
|
|
var type = M instanceof AST_ClassExpression ? "ClassExpression" : "ClassDeclaration";
|
|
return {
|
|
type: type,
|
|
superClass: to_moz(M.extends),
|
|
id: M.name ? to_moz(M.name) : null,
|
|
body: {
|
|
type: "ClassBody",
|
|
body: M.properties.map(to_moz)
|
|
}
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_ClassStaticBlock, function To_Moz_StaticBlock(M) {
|
|
return {
|
|
type: "StaticBlock",
|
|
body: M.body.map(to_moz),
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_NewTarget, function To_Moz_MetaProperty() {
|
|
return {
|
|
type: "MetaProperty",
|
|
meta: {
|
|
type: "Identifier",
|
|
name: "new"
|
|
},
|
|
property: {
|
|
type: "Identifier",
|
|
name: "target"
|
|
}
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Symbol, function To_Moz_Identifier(M, parent) {
|
|
if (M instanceof AST_SymbolMethod && parent.quote) {
|
|
return {
|
|
type: "Literal",
|
|
value: M.name
|
|
};
|
|
}
|
|
var def = M.definition();
|
|
return {
|
|
type: "Identifier",
|
|
name: def ? def.mangled_name || def.name : M.name
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_RegExp, function To_Moz_RegExpLiteral(M) {
|
|
const pattern = M.value.source;
|
|
const flags = M.value.flags;
|
|
return {
|
|
type: "Literal",
|
|
value: null,
|
|
raw: M.print_to_string(),
|
|
regex: { pattern, flags }
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Constant, function To_Moz_Literal(M) {
|
|
var value = M.value;
|
|
return {
|
|
type: "Literal",
|
|
value: value,
|
|
raw: M.raw || M.print_to_string()
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_Atom, function To_Moz_Atom(M) {
|
|
return {
|
|
type: "Identifier",
|
|
name: String(M.value)
|
|
};
|
|
});
|
|
|
|
def_to_moz(AST_BigInt, M => ({
|
|
type: "BigIntLiteral",
|
|
value: M.value
|
|
}));
|
|
|
|
AST_Boolean.DEFMETHOD("to_mozilla_ast", AST_Constant.prototype.to_mozilla_ast);
|
|
AST_Null.DEFMETHOD("to_mozilla_ast", AST_Constant.prototype.to_mozilla_ast);
|
|
AST_Hole.DEFMETHOD("to_mozilla_ast", function To_Moz_ArrayHole() { return null; });
|
|
|
|
AST_Block.DEFMETHOD("to_mozilla_ast", AST_BlockStatement.prototype.to_mozilla_ast);
|
|
AST_Lambda.DEFMETHOD("to_mozilla_ast", AST_Function.prototype.to_mozilla_ast);
|
|
|
|
/* -----[ tools ]----- */
|
|
|
|
function my_start_token(moznode) {
|
|
var loc = moznode.loc, start = loc && loc.start;
|
|
var range = moznode.range;
|
|
return new AST_Token(
|
|
"",
|
|
"",
|
|
start && start.line || 0,
|
|
start && start.column || 0,
|
|
range ? range [0] : moznode.start,
|
|
false,
|
|
[],
|
|
[],
|
|
loc && loc.source,
|
|
);
|
|
}
|
|
|
|
function my_end_token(moznode) {
|
|
var loc = moznode.loc, end = loc && loc.end;
|
|
var range = moznode.range;
|
|
return new AST_Token(
|
|
"",
|
|
"",
|
|
end && end.line || 0,
|
|
end && end.column || 0,
|
|
range ? range [0] : moznode.end,
|
|
false,
|
|
[],
|
|
[],
|
|
loc && loc.source,
|
|
);
|
|
}
|
|
|
|
var FROM_MOZ_STACK = null;
|
|
|
|
function from_moz(node) {
|
|
FROM_MOZ_STACK.push(node);
|
|
var ret = node != null ? MOZ_TO_ME[node.type](node) : null;
|
|
FROM_MOZ_STACK.pop();
|
|
return ret;
|
|
}
|
|
|
|
AST_Node.from_mozilla_ast = function(node) {
|
|
var save_stack = FROM_MOZ_STACK;
|
|
FROM_MOZ_STACK = [];
|
|
var ast = from_moz(node);
|
|
FROM_MOZ_STACK = save_stack;
|
|
return ast;
|
|
};
|
|
|
|
function set_moz_loc(mynode, moznode) {
|
|
var start = mynode.start;
|
|
var end = mynode.end;
|
|
if (!(start && end)) {
|
|
return moznode;
|
|
}
|
|
if (start.pos != null && end.endpos != null) {
|
|
moznode.range = [start.pos, end.endpos];
|
|
}
|
|
if (start.line) {
|
|
moznode.loc = {
|
|
start: {line: start.line, column: start.col},
|
|
end: end.endline ? {line: end.endline, column: end.endcol} : null
|
|
};
|
|
if (start.file) {
|
|
moznode.loc.source = start.file;
|
|
}
|
|
}
|
|
return moznode;
|
|
}
|
|
|
|
function def_to_moz(mytype, handler) {
|
|
mytype.DEFMETHOD("to_mozilla_ast", function(parent) {
|
|
return set_moz_loc(this, handler(this, parent));
|
|
});
|
|
}
|
|
|
|
var TO_MOZ_STACK = null;
|
|
|
|
function to_moz(node) {
|
|
if (TO_MOZ_STACK === null) { TO_MOZ_STACK = []; }
|
|
TO_MOZ_STACK.push(node);
|
|
var ast = node != null ? node.to_mozilla_ast(TO_MOZ_STACK[TO_MOZ_STACK.length - 2]) : null;
|
|
TO_MOZ_STACK.pop();
|
|
if (TO_MOZ_STACK.length === 0) { TO_MOZ_STACK = null; }
|
|
return ast;
|
|
}
|
|
|
|
function to_moz_in_destructuring() {
|
|
var i = TO_MOZ_STACK.length;
|
|
while (i--) {
|
|
if (TO_MOZ_STACK[i] instanceof AST_Destructuring) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function to_moz_block(node) {
|
|
return {
|
|
type: "BlockStatement",
|
|
body: node.body.map(to_moz)
|
|
};
|
|
}
|
|
|
|
function to_moz_scope(type, node) {
|
|
var body = node.body.map(to_moz);
|
|
if (node.body[0] instanceof AST_SimpleStatement && node.body[0].body instanceof AST_String) {
|
|
body.unshift(to_moz(new AST_EmptyStatement(node.body[0])));
|
|
}
|
|
return {
|
|
type: type,
|
|
body: body
|
|
};
|
|
}
|
|
})();
|
|
|