Tools/Source/Cpptasks/net/sf/antcontrib/cpptasks/AssemblerDef.java

   1 /*
   2  *
   3  * Copyright 2001-2005 The Ant-Contrib project
   4  *
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  */
  17 package net.sf.antcontrib.cpptasks;
  18
  19 import java.io.BufferedReader;
  20 import java.io.File;
  21 import java.io.FileReader;
  22 import java.util.Vector;
  23
  24 import net.sf.antcontrib.cpptasks.compiler.Assembler;
  25 import net.sf.antcontrib.cpptasks.compiler.Processor;
  26 import net.sf.antcontrib.cpptasks.gcc.GccAssembler;
  27 import net.sf.antcontrib.cpptasks.types.AssemblerArgument;
  28 import net.sf.antcontrib.cpptasks.types.ConditionalPath;
  29 import net.sf.antcontrib.cpptasks.types.IncludePath;
  30 import net.sf.antcontrib.cpptasks.types.SystemIncludePath;
  31
  32 import org.apache.tools.ant.BuildException;
  33 import org.apache.tools.ant.Project;
  34
  35 /**
  36  * A assembler definition. Assembler elements may be placed either as children
  37  * of a cc element or the project element. A assembler element with an id
  38  * attribute may be referenced from assembler elements with refid or extends
  39  * attributes.
  40  *
  41  */
  42 public final class AssemblerDef extends ProcessorDef {
  43
  44     private final Vector includePaths = new Vector();
  45
  46     private final Vector sysIncludePaths = new Vector();
  47
  48     private Boolean defaultflag = new Boolean(true);
  49
  50     public AssemblerDef () {
  51     }
  52
  53     /**
  54      * Adds a assembler command-line arg.
  55      */
  56     public void addConfiguredAssemblerArg(AssemblerArgument arg) {
  57         if (isReference()) {
  58             throw noChildrenAllowed();
  59         }
  60         addConfiguredProcessorArg(arg);
  61     }
  62
  63     /**
  64      * Creates an include path.
  65      */
  66     public IncludePath createIncludePath() {
  67         Project p = getProject();
  68         if (p == null) {
  69             throw new java.lang.IllegalStateException("project must be set");
  70         }
  71         if (isReference()) {
  72             throw noChildrenAllowed();
  73         }
  74         IncludePath path = new IncludePath(p);
  75         includePaths.addElement(path);
  76         return path;
  77     }
  78
  79     /**
  80      * Creates an include path.
  81      */
  82     public SystemIncludePath createSysIncludePath() {
  83         Project p = getProject();
  84         if (p == null) {
  85             throw new java.lang.IllegalStateException("project must be set");
  86         }
  87         if (isReference()) {
  88             throw noChildrenAllowed();
  89         }
  90         SystemIncludePath path = new SystemIncludePath(p);
  91         sysIncludePaths.addElement(path);
  92         return path;
  93     }
  94
  95     /**
  96      * Add a <includepath>or <sysincludepath> if specify the file attribute
  97      *
  98      * @throws BuildException
  99      *             if the specify file not exist
 100      */
 101     protected void loadFile(Vector activePath, File file) throws BuildException {
 102         FileReader fileReader;
 103         BufferedReader in;
 104         String str;
 105         if (!file.exists()) {
 106             throw new BuildException("The file " + file + " is not existed");
 107         }
 108         try {
 109             fileReader = new FileReader(file);
 110             in = new BufferedReader(fileReader);
 111             while ((str = in.readLine()) != null) {
 112                 if (str.trim() == "") {
 113                     continue;
 114                 }
 115                 str = getProject().replaceProperties(str);
 116                 activePath.addElement(str.trim());
 117             }
 118         } catch (Exception e) {
 119             throw new BuildException(e.getMessage());
 120         }
 121     }
 122
 123     public void execute() throws org.apache.tools.ant.BuildException {
 124         throw new org.apache.tools.ant.BuildException(
 125                         "Not an actual task, but looks like one for documentation purposes");
 126     }
 127
 128     /**
 129      * Returns the assembler-specific include path.
 130      */
 131     public String[] getActiveIncludePaths() {
 132         if (isReference()) {
 133             return ((AssemblerDef) getCheckedRef(AssemblerDef.class,
 134                             "AssemblerDef")).getActiveIncludePaths();
 135         }
 136         return getActivePaths(includePaths);
 137     }
 138
 139     /**
 140      * Returns the assembler-specific sysinclude path.
 141      */
 142     public String[] getActiveSysIncludePaths() {
 143         if (isReference()) {
 144             return ((AssemblerDef) getCheckedRef(AssemblerDef.class,
 145                             "AssemblerDef")).getActiveSysIncludePaths();
 146         }
 147         return getActivePaths(sysIncludePaths);
 148     }
 149
 150     private String[] getActivePaths(Vector paths) {
 151         Project p = getProject();
 152         if (p == null) {
 153             throw new java.lang.IllegalStateException("project not set");
 154         }
 155         Vector activePaths = new Vector(paths.size());
 156         for (int i = 0; i < paths.size(); i++) {
 157             ConditionalPath path = (ConditionalPath) paths.elementAt(i);
 158             if (path.isActive(p)) {
 159                 if (path.getFile() == null) {
 160                     String[] pathEntries = path.list();
 161                     for (int j = 0; j < pathEntries.length; j++) {
 162                         activePaths.addElement(pathEntries[j]);
 163                     }
 164                 } else {
 165                     loadFile(activePaths, path.getFile());
 166                 }
 167             }
 168         }
 169         String[] pathNames = new String[activePaths.size()];
 170         activePaths.copyInto(pathNames);
 171         return pathNames;
 172     }
 173
 174     public final Boolean getDefaultflag(AssemblerDef[] defaultProviders,
 175                     int index) {
 176         if (isReference()) {
 177             return ((AssemblerDef) getCheckedRef(AssemblerDef.class,
 178                             "AssemblerDef")).getDefaultflag(defaultProviders,
 179                             index);
 180         }
 181         return defaultflag;
 182     }
 183
 184     public Processor getProcessor() {
 185         Processor processor = super.getProcessor();
 186         if (processor == null) {
 187             processor = GccAssembler.getInstance();
 188         }
 189         return processor;
 190     }
 191
 192     /**
 193      * Sets r type.
 194      *
 195      * <table width="100%" border="1"> <thead>Supported assemblers</thead>
 196      * <tr>
 197      * <td>gcc (default)</td>
 198      * <td>GAS assembler</td>
 199      * </tr>
 200      * <tr>
 201      * <td>masm</td>
 202      * <td>MASM assembler</td>
 203      * </tr>
 204      * </table>
 205      *
 206      */
 207     public void setName(AssemblerEnum name) throws BuildException {
 208         if (isReference()) {
 209             throw tooManyAttributes();
 210         }
 211         Assembler assembler = name.getAssembler();
 212         setProcessor(assembler);
 213     }
 214
 215     protected void setProcessor(Processor proc) throws BuildException {
 216         try {
 217             super.setProcessor((Assembler) proc);
 218         } catch (ClassCastException ex) {
 219             throw new BuildException(ex);
 220         }
 221     }
 222
 223     /**
 224      * Enables or disables default flags.
 225      *
 226      * @param defaultflag
 227      *            if true, default flags will add to command line.
 228      *
 229      */
 230     public void setDefaultflag(boolean defaultflag) {
 231         if (isReference()) {
 232             throw tooManyAttributes();
 233         }
 234         this.defaultflag = booleanValueOf(defaultflag);
 235     }
 236
 237 }