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fixminer
2020-04-06 20:40:32 +02:00
parent 9dcdb6aafc
commit 3c91dd7ea3
524 changed files with 1272301 additions and 1531 deletions
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gumtree/gen.c/build.gradle
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description = 'GumTree tree generator for C code. Requires cgum.'
ext.isNative = true
gumtree/gen.c/pom.xml
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.github.gumtreediff</groupId>
<artifactId>gumtree</artifactId>
<version>2.0.0-SNAPSHOT</version>
</parent>
<artifactId>gen.c</artifactId>
<packaging>jar</packaging>
<name>Gumtree C Tree Generator</name>
<dependencies>
<dependency>
<groupId>com.github.gumtreediff</groupId>
<artifactId>core</artifactId>
<version>2.0.0-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
</dependencies>
</project>
gumtree/gen.c/src/main/java/com/github/gumtreediff/gen/c/CTreeGenerator.java
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/*
* This file is part of GumTree.
*
* GumTree is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GumTree 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GumTree. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2011-2015 Jean-Rémy Falleri <jr.falleri@gmail.com>
* Copyright 2011-2015 Floréal Morandat <florealm@gmail.com>
*/
package com.github.gumtreediff.gen.c;
import com.github.gumtreediff.gen.Register;
import com.github.gumtreediff.gen.TreeGenerator;
import com.github.gumtreediff.io.TreeIoUtils;
import com.github.gumtreediff.tree.TreeContext;
import com.github.gumtreediff.tree.TreeContext.MetadataSerializers;
import com.github.gumtreediff.tree.TreeContext.MetadataUnserializers;
import java.io.*;
import java.util.Arrays;
import java.util.regex.Pattern;
@Register(id = "c-cocci", accept = "\\.[ch]$")
public class CTreeGenerator extends TreeGenerator {
private static final String COCCI_CMD = System.getProperty("gumtree.cgum.path", "cgum");
private static final MetadataSerializers defaultSerializers = new MetadataSerializers();
private static final MetadataUnserializers defaultUnserializers = new MetadataUnserializers();
static {
defaultSerializers.add("lines", x -> Arrays.toString((int[]) x));
Pattern comma = Pattern.compile(", ");
defaultUnserializers.add("lines", x -> {
String[] v = comma.split(x.substring(1, x.length() - 2), 4);
int[] ints = new int[v.length];
for (int i = 0; i < ints.length; i++) {
ints[i] = Integer.parseInt(v[i]);
}
return ints;
});
}
@Override
public TreeContext generate(Reader r) throws IOException {
//FIXME this is not efficient but I am not sure how to speed up things here.
File f = File.createTempFile("gumtree", ".c");
FileWriter w = new FileWriter(f);
BufferedReader br = new BufferedReader(r);
String line = br.readLine();
while (line != null) {
w.append(line);
w.append(System.lineSeparator());
line = br.readLine();
}
w.close();
br.close();
ProcessBuilder b = new ProcessBuilder(COCCI_CMD, f.getAbsolutePath());
b.directory(f.getParentFile());
try {
Process p = b.start();
StringBuffer buf = new StringBuffer();
br = new BufferedReader(new InputStreamReader(p.getInputStream()));
// TODO Why do we need to read and bufferize eveything, when we could/should only use generateFromStream
line = null;
while ((line = br.readLine()) != null)
buf.append(line + "\n");
p.waitFor();
if (p.exitValue() != 0)
throw new RuntimeException(
String.format("cgum Error [%d] %s\n", p.exitValue(), buf.toString())
);
r.close();
String xml = buf.toString();
return TreeIoUtils.fromXml(CTreeGenerator.defaultUnserializers).generateFromString(xml);
} catch (InterruptedException e) {
throw new RuntimeException(e);
} finally {
f.delete();
}
}
}
gumtree/gen.c/src/test/java/com/github/gumtreediff/gen/c/TestCGenerator.java
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/*
* This file is part of GumTree.
*
* GumTree is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GumTree 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GumTree. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2011-2015 Jean-Rémy Falleri <jr.falleri@gmail.com>
* Copyright 2011-2015 Floréal Morandat <florealm@gmail.com>
*/
package com.github.gumtreediff.gen.c;
import java.io.IOException;
import org.junit.Assert;
import org.junit.Test;
import static org.junit.Assert.*;
import com.github.gumtreediff.tree.ITree;
public class TestCGenerator {
@Test
public void testSimpleSyntax() throws IOException {
String input = "int main() { printf(\"Hello world!\"); return 0; }";
ITree t = new CTreeGenerator().generateFromString(input).getRoot();
Assert.assertEquals(18, t.getSize());
}
}