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39 | #ifndef QV4COMPILER_P_H |
40 | #define QV4COMPILER_P_H |
41 | |
42 | // |
43 | // W A R N I N G |
44 | // ------------- |
45 | // |
46 | // This file is not part of the Qt API. It exists purely as an |
47 | // implementation detail. This header file may change from version to |
48 | // version without notice, or even be removed. |
49 | // |
50 | // We mean it. |
51 | // |
52 | |
53 | #include <QtCore/qstring.h> |
54 | #include <QtCore/qhash.h> |
55 | #include <QtCore/qstringlist.h> |
56 | #include <private/qv4compilerglobal_p.h> |
57 | #include <private/qqmljsastfwd_p.h> |
58 | #include <private/qv4compileddata_p.h> |
59 | #include <private/qv4staticvalue_p.h> |
60 | |
61 | QT_BEGIN_NAMESPACE |
62 | |
63 | class QQmlPropertyData; |
64 | |
65 | namespace QV4 { |
66 | |
67 | namespace CompiledData { |
68 | struct Unit; |
69 | struct Lookup; |
70 | struct RegExp; |
71 | struct JSClassMember; |
72 | } |
73 | |
74 | namespace Compiler { |
75 | |
76 | struct Context; |
77 | struct Module; |
78 | struct Class; |
79 | struct TemplateObject; |
80 | |
81 | struct Q_QMLCOMPILER_PRIVATE_EXPORT StringTableGenerator { |
82 | StringTableGenerator(); |
83 | |
84 | int registerString(const QString &str); |
85 | int getStringId(const QString &string) const; |
86 | QString stringForIndex(int index) const { return strings.at(i: index); } |
87 | uint stringCount() const { return strings.size() - backingUnitTableSize; } |
88 | |
89 | uint sizeOfTableAndData() const { return stringDataSize + ((stringCount() * sizeof(uint) + 7) & ~7); } |
90 | |
91 | void freeze() { frozen = true; } |
92 | |
93 | void clear(); |
94 | |
95 | void initializeFromBackingUnit(const CompiledData::Unit *unit); |
96 | |
97 | void serialize(CompiledData::Unit *unit); |
98 | QStringList allStrings() const { return strings.mid(pos: backingUnitTableSize); } |
99 | |
100 | private: |
101 | QHash<QString, int> stringToId; |
102 | QStringList strings; |
103 | uint stringDataSize; |
104 | uint backingUnitTableSize = 0; |
105 | bool frozen = false; |
106 | }; |
107 | |
108 | struct Q_QMLCOMPILER_PRIVATE_EXPORT JSUnitGenerator { |
109 | static void generateUnitChecksum(CompiledData::Unit *unit); |
110 | |
111 | struct MemberInfo { |
112 | QString name; |
113 | bool isAccessor; |
114 | }; |
115 | |
116 | JSUnitGenerator(Module *module); |
117 | |
118 | int registerString(const QString &str) { return stringTable.registerString(str); } |
119 | int getStringId(const QString &string) const { return stringTable.getStringId(string); } |
120 | QString stringForIndex(int index) const { return stringTable.stringForIndex(index); } |
121 | |
122 | int registerGetterLookup(const QString &name); |
123 | int registerGetterLookup(int nameIndex); |
124 | int registerSetterLookup(const QString &name); |
125 | int registerSetterLookup(int nameIndex); |
126 | int registerGlobalGetterLookup(int nameIndex); |
127 | int registerQmlContextPropertyGetterLookup(int nameIndex); |
128 | |
129 | int registerRegExp(QQmlJS::AST::RegExpLiteral *regexp); |
130 | |
131 | int registerConstant(ReturnedValue v); |
132 | ReturnedValue constant(int idx); |
133 | |
134 | int registerJSClass(const QStringList &members); |
135 | |
136 | int registerTranslation(const CompiledData::TranslationData &translation); |
137 | |
138 | enum GeneratorOption { |
139 | GenerateWithStringTable, |
140 | GenerateWithoutStringTable |
141 | }; |
142 | |
143 | QV4::CompiledData::Unit *generateUnit(GeneratorOption option = GenerateWithStringTable); |
144 | void writeFunction(char *f, Context *irFunction) const; |
145 | void writeClass(char *f, const Class &c); |
146 | void writeTemplateObject(char *f, const TemplateObject &o); |
147 | void writeBlock(char *f, Context *irBlock) const; |
148 | |
149 | StringTableGenerator stringTable; |
150 | QString codeGeneratorName; |
151 | private: |
152 | CompiledData::Unit (GeneratorOption option, quint32_le *functionOffsets, uint *jsClassDataOffset); |
153 | |
154 | Module *module; |
155 | |
156 | QList<CompiledData::Lookup> lookups; |
157 | QVector<CompiledData::RegExp> regexps; |
158 | QVector<ReturnedValue> constants; |
159 | QByteArray jsClassData; |
160 | QVector<int> jsClassOffsets; |
161 | QVector<CompiledData::TranslationData> translations; |
162 | }; |
163 | |
164 | } |
165 | |
166 | } |
167 | |
168 | QT_END_NAMESPACE |
169 | |
170 | #endif |
171 | |