1/*
2 * Copyright (C) 2015 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "Nodes.h"
28#include "NodeConstructors.h"
29
30#include "JSCJSValueInlines.h"
31#include "JSModuleRecord.h"
32#include "ModuleAnalyzer.h"
33
34namespace JSC {
35
36void ScopeNode::analyzeModule(ModuleAnalyzer& analyzer)
37{
38 m_statements->analyzeModule(analyzer);
39}
40
41void SourceElements::analyzeModule(ModuleAnalyzer& analyzer)
42{
43 // In the module analyzer phase, only module declarations are included in the top-level SourceElements.
44 for (StatementNode* statement = m_head; statement; statement = statement->next()) {
45 ASSERT(statement->isModuleDeclarationNode());
46 static_cast<ModuleDeclarationNode*>(statement)->analyzeModule(analyzer);
47 }
48}
49
50void ImportDeclarationNode::analyzeModule(ModuleAnalyzer& analyzer)
51{
52 analyzer.moduleRecord()->appendRequestedModule(m_moduleName->moduleName());
53 for (auto* specifier : m_specifierList->specifiers()) {
54 analyzer.moduleRecord()->addImportEntry(JSModuleRecord::ImportEntry {
55 specifier->importedName() == analyzer.vm().propertyNames->timesIdentifier
56 ? JSModuleRecord::ImportEntryType::Namespace : JSModuleRecord::ImportEntryType::Single,
57 m_moduleName->moduleName(),
58 specifier->importedName(),
59 specifier->localName(),
60 });
61 }
62}
63
64void ExportAllDeclarationNode::analyzeModule(ModuleAnalyzer& analyzer)
65{
66 analyzer.moduleRecord()->appendRequestedModule(m_moduleName->moduleName());
67 analyzer.moduleRecord()->addStarExportEntry(m_moduleName->moduleName());
68}
69
70void ExportDefaultDeclarationNode::analyzeModule(ModuleAnalyzer&)
71{
72}
73
74void ExportLocalDeclarationNode::analyzeModule(ModuleAnalyzer&)
75{
76}
77
78void ExportNamedDeclarationNode::analyzeModule(ModuleAnalyzer& analyzer)
79{
80 if (m_moduleName)
81 analyzer.moduleRecord()->appendRequestedModule(m_moduleName->moduleName());
82
83 for (auto* specifier : m_specifierList->specifiers()) {
84 if (m_moduleName) {
85 // export { v } from "mod"
86 //
87 // In this case, no local variable names are imported into the current module.
88 // "v" indirectly points the binding in "mod".
89 analyzer.moduleRecord()->addExportEntry(JSModuleRecord::ExportEntry::createIndirect(specifier->exportedName(), specifier->localName(), m_moduleName->moduleName()));
90 }
91 }
92}
93
94} // namespace JSC
95