Package de.jplag.cpp.experimental

Class GCCSourceAnalysis

java.lang.Object

de.jplag.cpp.experimental.GCCSourceAnalysis

All Implemented Interfaces:

SourceAnalysis

public class GCCSourceAnalysis
extends Object
implements SourceAnalysis

Uses GCC to find unused variables and saves their location. The scanner can then check if a token belongs to an unused variable

Field Summary

Fields

Modifier and Type	Field	Description
static final String	COMPILE_COMMAND

Constructor Summary

Constructors

Constructor	Description
GCCSourceAnalysis()

Method Summary

Modifier and Type	Method	Description
void	findUnusedVariableLines(Set<File> files)	Executes the source analysis on the files of a submission.
boolean	isTokenIgnored(Token token, File file)	Tells the caller if a token is located in a line containing an unused variable.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

COMPILE_COMMAND

public static final String COMPILE_COMMAND

See Also:

• Constant Field Values

Constructor Details

GCCSourceAnalysis

public GCCSourceAnalysis()

Method Details

isTokenIgnored

public boolean isTokenIgnored(Token token,
 File file)

Description copied from interface: SourceAnalysis

Tells the caller if a token is located in a line containing an unused variable. This usually indicates that the token belongs to a declaration of an unused variable. An edge case is multiple variable declarations in a single line, e.g. 'int a, b;' where a is used an b is unused.

Specified by:

isTokenIgnored in interface SourceAnalysis

Parameters:

token - The token that will be checked

file - The file the token was scanned in

Returns:

True, if the token should not be added to a TokenList, false if it should

findUnusedVariableLines

public void findUnusedVariableLines(Set<File> files)
                             throws InterruptedException

Description copied from interface: SourceAnalysis

Executes the source analysis on the files of a submission.

Specified by:

findUnusedVariableLines in interface SourceAnalysis

Parameters:

files - Set of the files contained in the submission

Throws:

InterruptedException