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package de.tu_darmstadt.informatik.rbg.mhartle.cpp;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Task;
import org.anarres.cpp.LexerException;
import org.anarres.cpp.Preprocessor;
import org.anarres.cpp.Token;
public class CppTask extends Task {
public static class Macro {
private String name;
private String value;
public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setValue(String value) {
this.value = value;
}
public String getValue() {
return value;
}
}
private File input = null;
private File output = null;
private Preprocessor cpp;
public CppTask() {
super();
cpp = new Preprocessor();
}
public void setInput(File input) {
this.input = input;
}
public void setOutput(File output) {
this.output = output;
}
public void addMacro(Macro macro) {
try {
cpp.addMacro(macro.getName(), macro.getValue());
}
catch (LexerException e) {
throw new BuildException(e);
}
}
public void execute() {
FileWriter writer = null;
try {
writer = new FileWriter(this.output);
for (;;) {
Token tok = cpp.token();
if (tok != null && tok.getType() == Token.EOF)
break;
writer.write(tok.getText());
}
}
catch (Exception e) {
throw new BuildException(e);
}
finally {
if (writer != null) {
try {
writer.close();
}
catch (IOException e) {
}
}
}
}
}
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