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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_CODEMAKER_SOURCE_JAVAMAKER_CLASSFILE_HXX
21 : #define INCLUDED_CODEMAKER_SOURCE_JAVAMAKER_CLASSFILE_HXX
22 :
23 : #include "codemaker/unotype.hxx"
24 : #include "sal/types.h"
25 :
26 : #include <list>
27 : #include <map>
28 : #include <utility>
29 : #include <vector>
30 :
31 : class FileStream;
32 :
33 : namespace codemaker { namespace javamaker {
34 :
35 : class ClassFile {
36 : public:
37 : enum AccessFlags {
38 : ACC_PUBLIC = 0x0001,
39 : ACC_PRIVATE = 0x0002,
40 : ACC_STATIC = 0x0008,
41 : ACC_FINAL = 0x0010,
42 : ACC_SUPER = 0x0020,
43 : ACC_VARARGS = 0x0080,
44 : ACC_INTERFACE = 0x0200,
45 : ACC_ABSTRACT = 0x0400,
46 : ACC_SYNTHETIC = 0x1000
47 : };
48 :
49 : class Code {
50 : public:
51 : typedef std::vector< unsigned char >::size_type Branch;
52 : typedef std::vector< unsigned char >::size_type Position;
53 :
54 : ~Code();
55 :
56 : void instrAastore();
57 : void instrAconstNull();
58 : void instrAnewarray(rtl::OString const & type);
59 : void instrAreturn();
60 : void instrAthrow();
61 : void instrCheckcast(rtl::OString const & type);
62 : void instrDup();
63 :
64 : void instrGetstatic(
65 : rtl::OString const & type, rtl::OString const & name,
66 : rtl::OString const & descriptor);
67 :
68 : Branch instrIfAcmpne();
69 : Branch instrIfeq();
70 : Branch instrIfnull();
71 :
72 : void instrInstanceof(rtl::OString const & type);
73 :
74 : void instrInvokeinterface(
75 : rtl::OString const & type, rtl::OString const & name,
76 : rtl::OString const & descriptor, sal_uInt8 args);
77 :
78 : void instrInvokespecial(
79 : rtl::OString const & type, rtl::OString const & name,
80 : rtl::OString const & descriptor);
81 :
82 : void instrInvokestatic(
83 : rtl::OString const & type, rtl::OString const & name,
84 : rtl::OString const & descriptor);
85 :
86 : void instrInvokevirtual(
87 : rtl::OString const & type, rtl::OString const & name,
88 : rtl::OString const & descriptor);
89 :
90 : void instrLookupswitch(
91 : Code const * defaultBlock,
92 : std::list< std::pair< sal_Int32, Code * > > const & blocks);
93 :
94 : void instrNew(rtl::OString const & type);
95 : void instrNewarray(codemaker::UnoType::Sort sort);
96 : void instrPop();
97 :
98 : void instrPutfield(
99 : rtl::OString const & type, rtl::OString const & name,
100 : rtl::OString const & descriptor);
101 :
102 : void instrPutstatic(
103 : rtl::OString const & type, rtl::OString const & name,
104 : rtl::OString const & descriptor);
105 :
106 : void instrReturn();
107 : void instrSwap();
108 :
109 : void instrTableswitch(
110 : Code const * defaultBlock, sal_Int32 low,
111 : std::list< Code * > const & blocks);
112 :
113 : void loadIntegerConstant(sal_Int32 value);
114 : void loadStringConstant(rtl::OString const & value);
115 : void loadLocalInteger(sal_uInt16 index);
116 : void loadLocalLong(sal_uInt16 index);
117 : void loadLocalFloat(sal_uInt16 index);
118 : void loadLocalDouble(sal_uInt16 index);
119 : void loadLocalReference(sal_uInt16 index);
120 : void storeLocalReference(sal_uInt16 index);
121 : void branchHere(Branch branch);
122 :
123 : void addException(
124 : Position start, Position end, Position handler,
125 : rtl::OString const & type);
126 :
127 5919 : void setMaxStackAndLocals(sal_uInt16 maxStack, sal_uInt16 maxLocals)
128 5919 : { m_maxStack = maxStack; m_maxLocals = maxLocals; }
129 :
130 : Position getPosition() const;
131 :
132 : private:
133 : Code(Code &) SAL_DELETED_FUNCTION;
134 : void operator =(const Code&) SAL_DELETED_FUNCTION;
135 :
136 : explicit Code(ClassFile & classFile);
137 :
138 : void ldc(sal_uInt16 index);
139 :
140 : void accessLocal(
141 : sal_uInt16 index, sal_uInt8 fastOp, sal_uInt8 normalOp);
142 :
143 : ClassFile & m_classFile;
144 : sal_uInt16 m_maxStack;
145 : sal_uInt16 m_maxLocals;
146 : std::vector< unsigned char > m_code;
147 : sal_uInt16 m_exceptionTableLength;
148 : std::vector< unsigned char > m_exceptionTable;
149 :
150 : friend class ClassFile;
151 : };
152 :
153 : ClassFile(
154 : AccessFlags accessFlags, rtl::OString const & thisClass,
155 : rtl::OString const & superClass, rtl::OString const & signature);
156 :
157 : ~ClassFile();
158 :
159 : Code * newCode();
160 :
161 : sal_uInt16 addIntegerInfo(sal_Int32 value);
162 : sal_uInt16 addFloatInfo(float value);
163 : sal_uInt16 addLongInfo(sal_Int64 value);
164 : sal_uInt16 addDoubleInfo(double value);
165 :
166 : void addInterface(rtl::OString const & interface);
167 :
168 : void addField(
169 : AccessFlags accessFlags, rtl::OString const & name,
170 : rtl::OString const & descriptor, sal_uInt16 constantValueIndex,
171 : rtl::OString const & signature);
172 :
173 : void addMethod(
174 : AccessFlags accessFlags, rtl::OString const & name,
175 : rtl::OString const & descriptor, Code const * code,
176 : std::vector< rtl::OString > const & exceptions,
177 : rtl::OString const & signature);
178 :
179 : void write(FileStream & file) const; //TODO
180 :
181 : private:
182 : typedef std::map< rtl::OString, sal_uInt16 > Map;
183 :
184 : ClassFile(ClassFile &) SAL_DELETED_FUNCTION;
185 : void operator =(const ClassFile&) SAL_DELETED_FUNCTION;
186 :
187 : sal_uInt16 nextConstantPoolIndex(sal_uInt16 width);
188 : sal_uInt16 addUtf8Info(rtl::OString const & value);
189 : sal_uInt16 addClassInfo(rtl::OString const & type);
190 : sal_uInt16 addStringInfo(rtl::OString const & value);
191 :
192 : sal_uInt16 addFieldrefInfo(
193 : rtl::OString const & type, rtl::OString const & name,
194 : rtl::OString const & descriptor);
195 :
196 : sal_uInt16 addMethodrefInfo(
197 : rtl::OString const & type, rtl::OString const & name,
198 : rtl::OString const & descriptor);
199 :
200 : sal_uInt16 addInterfaceMethodrefInfo(
201 : rtl::OString const & type, rtl::OString const & name,
202 : rtl::OString const & descriptor);
203 :
204 : sal_uInt16 addNameAndTypeInfo(
205 : rtl::OString const & name, rtl::OString const & descriptor);
206 :
207 : void appendSignatureAttribute(
208 : std::vector< unsigned char > & stream, rtl::OString const & signature);
209 :
210 : sal_uInt16 m_constantPoolCount;
211 : std::vector< unsigned char > m_constantPool;
212 : std::map< rtl::OString, sal_uInt16 > m_utf8Infos;
213 : std::map< sal_Int32, sal_uInt16 > m_integerInfos;
214 : std::map< sal_Int64, sal_uInt16 > m_longInfos;
215 : std::map< float, sal_uInt16 > m_floatInfos;
216 : std::map< double, sal_uInt16 > m_doubleInfos;
217 : std::map< sal_uInt16, sal_uInt16 > m_classInfos;
218 : std::map< sal_uInt16, sal_uInt16 > m_stringInfos;
219 : std::map< sal_uInt32, sal_uInt16 > m_fieldrefInfos;
220 : std::map< sal_uInt32, sal_uInt16 > m_methodrefInfos;
221 : std::map< sal_uInt32, sal_uInt16 > m_interfaceMethodrefInfos;
222 : std::map< sal_uInt32, sal_uInt16 > m_nameAndTypeInfos;
223 : AccessFlags m_accessFlags;
224 : sal_uInt16 m_thisClass;
225 : sal_uInt16 m_superClass;
226 : sal_uInt16 m_interfacesCount;
227 : std::vector< unsigned char > m_interfaces;
228 : sal_uInt16 m_fieldsCount;
229 : std::vector< unsigned char > m_fields;
230 : sal_uInt16 m_methodsCount;
231 : std::vector< unsigned char > m_methods;
232 : sal_uInt16 m_attributesCount;
233 : std::vector< unsigned char > m_attributes;
234 :
235 : friend class Code;
236 : };
237 :
238 : } }
239 :
240 : #endif // INCLUDED_CODEMAKER_SOURCE_JAVAMAKER_CLASSFILE_HXX
241 :
242 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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