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878ddf1f | 1 | /*\r |
2 | * \r | |
3 | * Copyright 2002-2004 The Ant-Contrib project\r | |
4 | *\r | |
5 | * Licensed under the Apache License, Version 2.0 (the "License");\r | |
6 | * you may not use this file except in compliance with the License.\r | |
7 | * You may obtain a copy of the License at\r | |
8 | *\r | |
9 | * http://www.apache.org/licenses/LICENSE-2.0\r | |
10 | *\r | |
11 | * Unless required by applicable law or agreed to in writing, software\r | |
12 | * distributed under the License is distributed on an "AS IS" BASIS,\r | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r | |
14 | * See the License for the specific language governing permissions and\r | |
15 | * limitations under the License.\r | |
16 | */\r | |
17 | package net.sf.antcontrib.cpptasks.compiler;\r | |
18 | import java.io.BufferedReader;\r | |
19 | import java.io.File;\r | |
20 | import java.io.FileReader;\r | |
21 | import java.io.IOException;\r | |
22 | import java.io.Reader;\r | |
23 | import java.util.Vector;\r | |
24 | import net.sf.antcontrib.cpptasks.CCTask;\r | |
25 | import net.sf.antcontrib.cpptasks.CUtil;\r | |
26 | import net.sf.antcontrib.cpptasks.CompilerDef;\r | |
27 | import net.sf.antcontrib.cpptasks.DependencyInfo;\r | |
28 | import net.sf.antcontrib.cpptasks.ProcessorDef;\r | |
29 | import net.sf.antcontrib.cpptasks.parser.Parser;\r | |
30 | import net.sf.antcontrib.cpptasks.TargetDef;\r | |
31 | \r | |
32 | /**\r | |
33 | * An abstract compiler implementation.\r | |
34 | * \r | |
35 | * @author Adam Murdoch\r | |
36 | * @author Curt Arnold\r | |
37 | */\r | |
38 | public abstract class AbstractCompiler extends AbstractProcessor\r | |
39 | implements\r | |
40 | Compiler {\r | |
41 | private static final String[] emptyIncludeArray = new String[0];\r | |
42 | private String outputSuffix;\r | |
43 | protected AbstractCompiler(String[] sourceExtensions,\r | |
44 | String[] headerExtensions, String outputSuffix) {\r | |
45 | super(sourceExtensions, headerExtensions);\r | |
46 | this.outputSuffix = outputSuffix;\r | |
47 | }\r | |
48 | /**\r | |
49 | * Checks file name to see if parse should be attempted\r | |
50 | * \r | |
51 | * Default implementation returns false for files with extensions '.dll',\r | |
52 | * 'tlb', '.res'\r | |
53 | * \r | |
54 | */\r | |
55 | protected boolean canParse(File sourceFile) {\r | |
56 | String sourceName = sourceFile.toString();\r | |
57 | int lastPeriod = sourceName.lastIndexOf('.');\r | |
58 | if (lastPeriod >= 0 && lastPeriod == sourceName.length() - 4) {\r | |
59 | String ext = sourceName.substring(lastPeriod).toUpperCase();\r | |
60 | if (ext.equals(".DLL") || ext.equals(".TLB") || ext.equals(".RES")) {\r | |
61 | return false;\r | |
62 | }\r | |
63 | }\r | |
64 | return true;\r | |
65 | }\r | |
66 | abstract protected CompilerConfiguration createConfiguration(CCTask task,\r | |
67 | LinkType linkType, ProcessorDef[] baseConfigs,\r | |
68 | CompilerDef specificConfig, TargetDef targetPlatform);\r | |
69 | public ProcessorConfiguration createConfiguration(CCTask task,\r | |
70 | LinkType linkType, ProcessorDef[] baseConfigs,\r | |
71 | ProcessorDef specificConfig, TargetDef targetPlatform) {\r | |
72 | if (specificConfig == null) {\r | |
73 | throw new NullPointerException("specificConfig");\r | |
74 | }\r | |
75 | return createConfiguration(task, linkType, baseConfigs,\r | |
76 | (CompilerDef) specificConfig, targetPlatform);\r | |
77 | }\r | |
78 | abstract protected Parser createParser(File sourceFile);\r | |
79 | protected String getBaseOutputName(String inputFile) {\r | |
80 | int lastSlash = inputFile.lastIndexOf('/');\r | |
81 | int lastReverse = inputFile.lastIndexOf('\\');\r | |
82 | int lastSep = inputFile.lastIndexOf(File.separatorChar);\r | |
83 | if (lastReverse > lastSlash) {\r | |
84 | lastSlash = lastReverse;\r | |
85 | }\r | |
86 | if (lastSep > lastSlash) {\r | |
87 | lastSlash = lastSep;\r | |
88 | }\r | |
89 | int lastPeriod = inputFile.lastIndexOf('.');\r | |
90 | if (lastPeriod < 0) {\r | |
91 | lastPeriod = inputFile.length();\r | |
92 | }\r | |
93 | return inputFile.substring(lastSlash + 1, lastPeriod);\r | |
94 | }\r | |
95 | public String getOutputFileName(String inputFile) {\r | |
96 | //\r | |
97 | // if a recognized input file\r | |
98 | //\r | |
99 | if (bid(inputFile) > 1) {\r | |
100 | String baseName = getBaseOutputName(inputFile);\r | |
101 | return baseName + outputSuffix;\r | |
102 | }\r | |
103 | return null;\r | |
104 | }\r | |
105 | /**\r | |
106 | * Returns dependency info for the specified source file\r | |
107 | * \r | |
108 | * @param task\r | |
109 | * task for any diagnostic output\r | |
110 | * @param source\r | |
111 | * file to be parsed\r | |
112 | * @param includePath\r | |
113 | * include path to be used to resolve included files\r | |
114 | * \r | |
115 | * @param sysIncludePath\r | |
116 | * sysinclude path from build file, files resolved using\r | |
117 | * sysInclude path will not participate in dependency analysis\r | |
118 | * \r | |
119 | * @param envIncludePath\r | |
120 | * include path from environment variable, files resolved with\r | |
121 | * envIncludePath will not participate in dependency analysis\r | |
122 | * \r | |
123 | * @param baseDir\r | |
124 | * used to produce relative paths in DependencyInfo\r | |
125 | * @param includePathIdentifier\r | |
126 | * used to distinguish DependencyInfo's from different include\r | |
127 | * path settings\r | |
128 | * \r | |
129 | * @author Curt Arnold\r | |
130 | */\r | |
131 | public final DependencyInfo parseIncludes(CCTask task, File source,\r | |
132 | File[] includePath, File[] sysIncludePath, File[] envIncludePath,\r | |
133 | File baseDir, String includePathIdentifier) {\r | |
134 | //\r | |
135 | // if any of the include files can not be identified\r | |
136 | // change the sourceLastModified to Long.MAX_VALUE to\r | |
137 | // force recompilation of anything that depends on it\r | |
138 | long sourceLastModified = source.lastModified();\r | |
139 | File[] sourcePath = new File[1];\r | |
140 | sourcePath[0] = new File(source.getParent());\r | |
141 | Vector onIncludePath = new Vector();\r | |
142 | Vector onSysIncludePath = new Vector();\r | |
143 | String baseDirPath;\r | |
144 | try {\r | |
145 | baseDirPath = baseDir.getCanonicalPath();\r | |
146 | } catch (IOException ex) {\r | |
147 | baseDirPath = baseDir.toString();\r | |
148 | }\r | |
149 | String relativeSource = CUtil.getRelativePath(baseDirPath, source);\r | |
150 | String[] includes = emptyIncludeArray;\r | |
151 | if (canParse(source)) {\r | |
152 | Parser parser = createParser(source);\r | |
153 | try {\r | |
154 | Reader reader = new BufferedReader(new FileReader(source));\r | |
155 | parser.parse(reader);\r | |
156 | includes = parser.getIncludes();\r | |
157 | } catch (IOException ex) {\r | |
158 | task.log("Error parsing " + source.toString() + ":"\r | |
159 | + ex.toString());\r | |
160 | includes = new String[0];\r | |
161 | }\r | |
162 | }\r | |
163 | for (int i = 0; i < includes.length; i++) {\r | |
164 | String includeName = includes[i];\r | |
165 | if (!resolveInclude(includeName, sourcePath, onIncludePath)) {\r | |
166 | if (!resolveInclude(includeName, includePath, onIncludePath)) {\r | |
167 | if (!resolveInclude(includeName, sysIncludePath,\r | |
168 | onSysIncludePath)) {\r | |
169 | if (!resolveInclude(includeName, envIncludePath,\r | |
170 | onSysIncludePath)) {\r | |
171 | //\r | |
172 | // this should be enough to require us to reparse\r | |
173 | // the file with the missing include for dependency\r | |
174 | // information without forcing a rebuild\r | |
175 | sourceLastModified++;\r | |
176 | }\r | |
177 | }\r | |
178 | }\r | |
179 | }\r | |
180 | }\r | |
181 | for (int i = 0; i < onIncludePath.size(); i++) {\r | |
182 | String relativeInclude = CUtil.getRelativePath(baseDirPath,\r | |
183 | (File) onIncludePath.elementAt(i));\r | |
184 | onIncludePath.setElementAt(relativeInclude, i);\r | |
185 | }\r | |
186 | for (int i = 0; i < onSysIncludePath.size(); i++) {\r | |
187 | String relativeInclude = CUtil.getRelativePath(baseDirPath,\r | |
188 | (File) onSysIncludePath.elementAt(i));\r | |
189 | onSysIncludePath.setElementAt(relativeInclude, i);\r | |
190 | }\r | |
191 | return new DependencyInfo(includePathIdentifier, relativeSource,\r | |
192 | sourceLastModified, onIncludePath, onSysIncludePath);\r | |
193 | }\r | |
194 | protected boolean resolveInclude(String includeName, File[] includePath,\r | |
195 | Vector onThisPath) {\r | |
196 | for (int i = 0; i < includePath.length; i++) {\r | |
197 | File includeFile = new File(includePath[i], includeName);\r | |
198 | if (includeFile.exists()) {\r | |
199 | onThisPath.addElement(includeFile);\r | |
200 | return true;\r | |
201 | }\r | |
202 | }\r | |
203 | return false;\r | |
204 | }\r | |
205 | }\r |