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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 : namespace rtl { class OString; }
33 :
34 : namespace codemaker { namespace javamaker {
35 :
36 : class ClassFile {
37 : public:
38 : enum AccessFlags {
39 : ACC_PUBLIC = 0x0001,
40 : ACC_PRIVATE = 0x0002,
41 : ACC_STATIC = 0x0008,
42 : ACC_FINAL = 0x0010,
43 : ACC_SUPER = 0x0020,
44 : ACC_VARARGS = 0x0080,
45 : ACC_INTERFACE = 0x0200,
46 : ACC_ABSTRACT = 0x0400,
47 : ACC_SYNTHETIC = 0x1000
48 : };
49 :
50 : class Code {
51 : public:
52 : typedef std::vector< unsigned char >::size_type Branch;
53 : typedef std::vector< unsigned char >::size_type Position;
54 :
55 : ~Code();
56 :
57 : void instrAastore();
58 : void instrAconstNull();
59 : void instrAnewarray(rtl::OString const & type);
60 : void instrAreturn();
61 : void instrAthrow();
62 : void instrCheckcast(rtl::OString const & type);
63 : void instrDup();
64 :
65 : void instrGetstatic(
66 : rtl::OString const & type, rtl::OString const & name,
67 : rtl::OString const & descriptor);
68 :
69 : Branch instrIfAcmpne();
70 : Branch instrIfeq();
71 : Branch instrIfnull();
72 :
73 : void instrInstanceof(rtl::OString const & type);
74 :
75 : void instrInvokeinterface(
76 : rtl::OString const & type, rtl::OString const & name,
77 : rtl::OString const & descriptor, sal_uInt8 args);
78 :
79 : void instrInvokespecial(
80 : rtl::OString const & type, rtl::OString const & name,
81 : rtl::OString const & descriptor);
82 :
83 : void instrInvokestatic(
84 : rtl::OString const & type, rtl::OString const & name,
85 : rtl::OString const & descriptor);
86 :
87 : void instrInvokevirtual(
88 : rtl::OString const & type, rtl::OString const & name,
89 : rtl::OString const & descriptor);
90 :
91 : void instrLookupswitch(
92 : Code const * defaultBlock,
93 : std::list< std::pair< sal_Int32, Code * > > const & blocks);
94 :
95 : void instrNew(rtl::OString const & type);
96 : void instrNewarray(codemaker::UnoType::Sort sort);
97 : void instrPop();
98 :
99 : void instrPutfield(
100 : rtl::OString const & type, rtl::OString const & name,
101 : rtl::OString const & descriptor);
102 :
103 : void instrPutstatic(
104 : rtl::OString const & type, rtl::OString const & name,
105 : rtl::OString const & descriptor);
106 :
107 : void instrReturn();
108 : void instrSwap();
109 :
110 : void instrTableswitch(
111 : Code const * defaultBlock, sal_Int32 low,
112 : std::list< Code * > const & blocks);
113 :
114 : void loadIntegerConstant(sal_Int32 value);
115 : void loadStringConstant(rtl::OString const & value);
116 : void loadLocalInteger(sal_uInt16 index);
117 : void loadLocalLong(sal_uInt16 index);
118 : void loadLocalFloat(sal_uInt16 index);
119 : void loadLocalDouble(sal_uInt16 index);
120 : void loadLocalReference(sal_uInt16 index);
121 : void storeLocalReference(sal_uInt16 index);
122 : void branchHere(Branch branch);
123 :
124 : void addException(
125 : Position start, Position end, Position handler,
126 : rtl::OString const & type);
127 :
128 4835 : void setMaxStackAndLocals(sal_uInt16 maxStack, sal_uInt16 maxLocals)
129 4835 : { m_maxStack = maxStack; m_maxLocals = maxLocals; }
130 :
131 : Position getPosition() const;
132 :
133 : private:
134 : Code(Code &); // not implemented
135 : void operator =(Code); // not implemented
136 :
137 : Code(ClassFile & classFile);
138 :
139 : void ldc(sal_uInt16 index);
140 :
141 : void accessLocal(
142 : sal_uInt16 index, sal_uInt8 fastOp, sal_uInt8 normalOp);
143 :
144 : ClassFile & m_classFile;
145 : sal_uInt16 m_maxStack;
146 : sal_uInt16 m_maxLocals;
147 : std::vector< unsigned char > m_code;
148 : sal_uInt16 m_exceptionTableLength;
149 : std::vector< unsigned char > m_exceptionTable;
150 :
151 : friend class ClassFile;
152 : };
153 :
154 : ClassFile(
155 : AccessFlags accessFlags, rtl::OString const & thisClass,
156 : rtl::OString const & superClass, rtl::OString const & signature);
157 :
158 : ~ClassFile();
159 :
160 : Code * newCode();
161 :
162 : sal_uInt16 addIntegerInfo(sal_Int32 value);
163 : sal_uInt16 addFloatInfo(float value);
164 : sal_uInt16 addLongInfo(sal_Int64 value);
165 : sal_uInt16 addDoubleInfo(double value);
166 :
167 : void addInterface(rtl::OString const & interface);
168 :
169 : void addField(
170 : AccessFlags accessFlags, rtl::OString const & name,
171 : rtl::OString const & descriptor, sal_uInt16 constantValueIndex,
172 : rtl::OString const & signature);
173 :
174 : void addMethod(
175 : AccessFlags accessFlags, rtl::OString const & name,
176 : rtl::OString const & descriptor, Code const * code,
177 : std::vector< rtl::OString > const & exceptions,
178 : rtl::OString const & signature);
179 :
180 : void write(FileStream & file) const; //TODO
181 :
182 : private:
183 : typedef std::map< rtl::OString, sal_uInt16 > Map;
184 :
185 : ClassFile(ClassFile &); // not implemented
186 : void operator =(ClassFile); // not implemented
187 :
188 : sal_uInt16 nextConstantPoolIndex(sal_uInt16 width);
189 : sal_uInt16 addUtf8Info(rtl::OString const & value);
190 : sal_uInt16 addClassInfo(rtl::OString const & type);
191 : sal_uInt16 addStringInfo(rtl::OString const & value);
192 :
193 : sal_uInt16 addFieldrefInfo(
194 : rtl::OString const & type, rtl::OString const & name,
195 : rtl::OString const & descriptor);
196 :
197 : sal_uInt16 addMethodrefInfo(
198 : rtl::OString const & type, rtl::OString const & name,
199 : rtl::OString const & descriptor);
200 :
201 : sal_uInt16 addInterfaceMethodrefInfo(
202 : rtl::OString const & type, rtl::OString const & name,
203 : rtl::OString const & descriptor);
204 :
205 : sal_uInt16 addNameAndTypeInfo(
206 : rtl::OString const & name, rtl::OString const & descriptor);
207 :
208 : void appendSignatureAttribute(
209 : std::vector< unsigned char > & stream, rtl::OString const & signature);
210 :
211 : sal_uInt16 m_constantPoolCount;
212 : std::vector< unsigned char > m_constantPool;
213 : std::map< rtl::OString, sal_uInt16 > m_utf8Infos;
214 : std::map< sal_Int32, sal_uInt16 > m_integerInfos;
215 : std::map< sal_Int64, sal_uInt16 > m_longInfos;
216 : std::map< float, sal_uInt16 > m_floatInfos;
217 : std::map< double, sal_uInt16 > m_doubleInfos;
218 : std::map< sal_uInt16, sal_uInt16 > m_classInfos;
219 : std::map< sal_uInt16, sal_uInt16 > m_stringInfos;
220 : std::map< sal_uInt32, sal_uInt16 > m_fieldrefInfos;
221 : std::map< sal_uInt32, sal_uInt16 > m_methodrefInfos;
222 : std::map< sal_uInt32, sal_uInt16 > m_interfaceMethodrefInfos;
223 : std::map< sal_uInt32, sal_uInt16 > m_nameAndTypeInfos;
224 : AccessFlags m_accessFlags;
225 : sal_uInt16 m_thisClass;
226 : sal_uInt16 m_superClass;
227 : sal_uInt16 m_interfacesCount;
228 : std::vector< unsigned char > m_interfaces;
229 : sal_uInt16 m_fieldsCount;
230 : std::vector< unsigned char > m_fields;
231 : sal_uInt16 m_methodsCount;
232 : std::vector< unsigned char > m_methods;
233 : sal_uInt16 m_attributesCount;
234 : std::vector< unsigned char > m_attributes;
235 :
236 : friend class Code;
237 : };
238 :
239 : } }
240 :
241 : #endif // INCLUDED_CODEMAKER_SOURCE_JAVAMAKER_CLASSFILE_HXX
242 :
243 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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