/*
* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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package com.apple.internal.jobjc.generator.utils;
import java.io.File;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.Collection;
import com.apple.internal.jobjc.generator.model.Framework;
import com.apple.internal.jobjc.generator.utils.Fp.Map1;
import com.apple.jobjc.JObjCRuntime.Width;
/**
* Takes a framework, compiles a native source file with all its structs,
* and figures out their sizes and field offsets.
*
* BigBang significantly speeds up the process by
* compiling all frameworks as one big Objective-C file.
*/
public class StructOffsetResolverBigBang extends StructOffsetResolver{
@Override protected void _resolve(final Collection<Framework> fws) throws Exception{
for(final Width arch : Width.values()){
System.out.println("SORBB -- Getting Struct offsets @" + arch.toString());
String nativeSrc = generateFileForFrameworks(fws, arch);
String executable = compileObjC(nativeSrc, arch);
execute(executable, new Map1<String,Object>(){
public Object apply(String ln) {
try {
processLine(ln, fws, arch);
return null;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
});
}
}
/**
* Generates Objective-C file and returns absolute path name.
*/
protected String generateFileForFrameworks(final Collection<Framework> fws, final Width arch) throws Exception{
File tempfile = File.createTempFile("JObjC-SORBB-" + arch + "-", ".mm");
PrintWriter out = new PrintWriter(new FileWriter(tempfile));
out.println("#include<iostream>");
for(Framework fw : fws) printHeaderLines(fw, arch, out);
out.println("int main(int argc, char** argv){");
for(Framework fw : fws) printStructInfos(fw, arch, out);
out.println("\treturn 0;");
out.println("}");
out.close();
return tempfile.getAbsolutePath();
}
}