Branch line number.

[Alexandre Locci Martins]

Hello

I am a recoder user and I have a question about branches detection.
I would like to know if recoder can return the line branch number (if,
while and for). If is possible, could you send me a simple code example?
Tank You.

--
Alexandre

[Tobias Gutzmann]

Hi,

Yes Recoder can do that. The following does the trick:

import java.util.List;

import recoder.CrossReferenceServiceConfiguration;
import recoder.ParserException;
import recoder.convenience.ForestWalker;
import recoder.io.PropertyNames;
import recoder.java.CompilationUnit;
import recoder.java.ProgramElement;
import recoder.java.statement.BranchStatement;
import recoder.java.statement.LoopStatement;
import recoder.kit.UnitKit;

public class Test {
public static void main(String[] args) {
CrossReferenceServiceConfiguration sc = new CrossReferenceServiceConfiguration();
sc.getProjectSettings().setProperty(PropertyNames.INPUT_PATH, / Set proper path here /);
sc.getProjectSettings().ensureSystemClassesAreInPath();
try {
List<CompilationUnit> cus = sc.getSourceFileRepository().getAllCompilationUnitsFromPath();
ForestWalker fw = new ForestWalker(cus);
while (fw.next()) {
ProgramElement pe = fw.getProgramElement();
if (pe instanceof LoopStatement || pe instanceof BranchStatement) {
System.out.println(pe.getClass().getSimpleName() + " in " + UnitKit.getCompilationUnit(pe).getDataLocation() + " line "
+ pe.getStartPosition().getLine() + " column " + pe.getStartPosition().getColumn());
}
}
} catch (ParserException e) {
e.printStackTrace();
System.exit(-1);
}
}
}

Note that this also prints switch, try, and do-loops. Just switch the condition in the if-statement to change to the desired behavior.

Regards,
Tobias

[Alexandre Locci Martins]

Hello

Thanks a lot.
Regards,
Alexandre

2014-09-07 11:46 GMT-03:00 Tobias Gutzmann tgutzmann@users.sf.net:

Hi,

Yes Recoder can do that. The following does the trick:

import java.util.List;

import recoder.CrossReferenceServiceConfiguration;
import recoder.ParserException;
import recoder.convenience.ForestWalker;
import recoder.io.PropertyNames;
import recoder.java.CompilationUnit;
import recoder.java.ProgramElement;
import recoder.java.statement.BranchStatement;
import recoder.java.statement.LoopStatement;
import recoder.kit.UnitKit;

public class Test {
public static void main(String[] args) {
CrossReferenceServiceConfiguration sc = new
CrossReferenceServiceConfiguration();
sc.getProjectSettings().setProperty(PropertyNames.INPUT_PATH, / Set
proper path here /);
sc.getProjectSettings().ensureSystemClassesAreInPath();
try {
List<CompilationUnit> cus =
sc.getSourceFileRepository().getAllCompilationUnitsFromPath();
ForestWalker fw = new ForestWalker(cus);
while (fw.next()) {
ProgramElement pe = fw.getProgramElement();
if (pe instanceof LoopStatement || pe instanceof BranchStatement) {
System.out.println(pe.getClass().getSimpleName() + " in " +
UnitKit.getCompilationUnit(pe).getDataLocation() + " line "
+ pe.getStartPosition().getLine() + " column " +
pe.getStartPosition().getColumn());
}
}
} catch (ParserException e) {
e.printStackTrace();
System.exit(-1);
}
}
}

Note that this also prints switch, try, and do-loops. Just switch the
condition in the if-statement to change to the desired behavior.

Regards,
Tobias

---

Branch line number.
https://sourceforge.net/p/recoder/discussion/88904/thread/b57e54bc/?limit=25#5e80

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--
Alexandre