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/*******************************************************************************
* Copyright (c) 2000, 2016 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.make.internal.core.makefile.gnu;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import org.eclipse.cdt.core.IMarkerGenerator;
import org.eclipse.cdt.core.ProblemMarkerInfo;
import org.eclipse.cdt.make.core.makefile.IBadDirective;
import org.eclipse.cdt.make.core.makefile.IDirective;
import org.eclipse.cdt.make.core.makefile.IMakefileValidator;
import org.eclipse.cdt.make.core.makefile.ISpecialRule;
import org.eclipse.cdt.make.core.makefile.gnu.IConditional;
import org.eclipse.cdt.make.core.makefile.gnu.ITerminal;
import org.eclipse.cdt.make.core.makefile.gnu.IVariableDefinition;
import org.eclipse.cdt.make.internal.core.makefile.MakefileMessages;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
public class GNUMakefileValidator implements IMakefileValidator {
IMarkerGenerator reporter;
public GNUMakefileValidator() {
}
public GNUMakefileValidator(IMarkerGenerator errorHandler) {
setMarkerGenerator(errorHandler);
}
@Override
public void setMarkerGenerator(IMarkerGenerator errorHandler) {
reporter = errorHandler;
}
public IMarkerGenerator getMarkerGenerator() {
if (reporter == null) {
reporter = new IMarkerGenerator() {
@Override
public void addMarker(IResource file, int lineNumber, String errorDesc, int severity, String errorVar) {
ProblemMarkerInfo problemMarkerInfo = new ProblemMarkerInfo(file, lineNumber, errorDesc, severity, errorVar, null);
addMarker(problemMarkerInfo);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.core.IMarkerGenerator#addMarker(org.eclipse.cdt.core.ProblemMarkerInfo)
*/
@Override
public void addMarker(ProblemMarkerInfo problemMarkerInfo) {
String name = "Makefile"; //$NON-NLS-1$
if (problemMarkerInfo.file != null) {
name = problemMarkerInfo.file.getName();
}
StringBuilder sb = new StringBuilder(name);
sb.append(':').append(problemMarkerInfo.lineNumber).append(':').append(getSeverity(problemMarkerInfo.severity));
if (problemMarkerInfo.description != null) {
sb.append(':').append(problemMarkerInfo.description);
}
if (problemMarkerInfo.variableName != null ) {
sb.append(':').append(problemMarkerInfo.variableName);
}
if (problemMarkerInfo.externalPath != null ) {
sb.append(':').append(problemMarkerInfo.externalPath);
}
sb.append('\n');
System.out.println(sb.toString());
}
public String getSeverity(int severity) {
if (severity == IMarkerGenerator.SEVERITY_ERROR_BUILD) {
return MakefileMessages.getString("MakefileValidator.errorBuild"); //$NON-NLS-1$
} else if (severity == IMarkerGenerator.SEVERITY_ERROR_RESOURCE) {
return MakefileMessages.getString("MakefileValidator.errorResource"); //$NON-NLS-1$
} else if (severity == IMarkerGenerator.SEVERITY_INFO) {
return MakefileMessages.getString("MakefileValidator.warningInfo"); //$NON-NLS-1$
} else if (severity == IMarkerGenerator.SEVERITY_WARNING) {
return MakefileMessages.getString("MakefileValidator.warning"); //$NON-NLS-1$
}
return MakefileMessages.getString("MakefileValidator.unknown"); //$NON-NLS-1$
}
};
}
return reporter;
}
@Override
public void checkFile(IFile file, IProgressMonitor monitor) {
String message = MakefileMessages.getString("MakefileValidator.checkingFile") + file.getFullPath().toString(); //$NON-NLS-1$
monitor.subTask(message);
GNUMakefile gnu = new GNUMakefile();
InputStream stream = null;
try {
stream = file.getContents();
Reader source = new InputStreamReader(stream);
gnu.parse(file.getFullPath().toString(), source);
validateDirectives(file, gnu.getDirectives());
} catch (CoreException e) {
} catch (IOException e) {
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
}
}
}
monitor.subTask(MakefileMessages.getString("MakefileValidator.fileChecked")); //$NON-NLS-1$
monitor.done();
}
public void validateDirectives(IResource res, IDirective[] directives) {
IMarkerGenerator marker = getMarkerGenerator();
int conditionCount = 0;
int defineCount = 0;
IDirective directive = null;
for (int i = 0; i < directives.length; i++) {
directive = directives[i];
if (directive instanceof IConditional) {
IConditional condition = (IConditional)directive;
validateCondition(condition);
if (!condition.isElse()) {
conditionCount++;
} else {
if (conditionCount == 0) {
// ERROR else missing conditon.
int startLine = condition.getStartLine();
String msg = MakefileMessages.getString("MakefileValidator.error.elseMissingIfCondition"); //$NON-NLS-1$
int severity = IMarkerGenerator.SEVERITY_ERROR_RESOURCE;
String varName = condition.toString().trim();
marker.addMarker(res, startLine, msg, severity, varName);
}
}
} else if (directive instanceof ITerminal) {
ITerminal terminal = (ITerminal)directive;
if (terminal.isEndif()) {
if (conditionCount == 0) {
// ERROR missing condition.
int startLine = terminal.getStartLine();
String msg = MakefileMessages.getString("MakefileValidator.error.endifMissingIfElseCondition"); //$NON-NLS-1$
int severity = IMarkerGenerator.SEVERITY_ERROR_RESOURCE;
String varName = terminal.toString().trim();
marker.addMarker(res, startLine, msg, severity, varName);
} else {
conditionCount--;
}
} else if (terminal.isEndef()) {
if (defineCount == 0) {
// ERROR missing define.
int startLine = terminal.getStartLine();
String msg = MakefileMessages.getString("MakefileValidator.error.endefMissingOverrideDefine"); //$NON-NLS-1$
int severity = IMarkerGenerator.SEVERITY_ERROR_RESOURCE;
String varName = terminal.toString().trim();
marker.addMarker(res, startLine, msg, severity, varName);
} else {
defineCount--;
}
}
} else if (directive instanceof IVariableDefinition) {
IVariableDefinition definition = (IVariableDefinition)directive;
if (definition.isMultiLine()) {
defineCount++;
}
} else if (directive instanceof IBadDirective) {
// ERROR unknow statement.
int startLine = directive.getStartLine();
String msg = MakefileMessages.getString("MakefileValidator.error.unknownDirective"); //$NON-NLS-1$
int severity = IMarkerGenerator.SEVERITY_ERROR_RESOURCE;
String varName = directive.toString().trim();
marker.addMarker(res, startLine, msg, severity, varName);
} else if (directive instanceof ISpecialRule) {
validateSpecialRule((ISpecialRule)directive);
}
}
if (conditionCount > 0) {
// ERROR no matching endif for condition.
int startLine = 0;
String varName = ""; //$NON-NLS-1$
int severity = IMarkerGenerator.SEVERITY_ERROR_RESOURCE;
for (int i = directives.length - 1; i >= 0; i--) {
if (directives[i] instanceof IConditional) {
startLine = directives[i].getStartLine();
varName = directives[i].toString().trim();
break;
}
}
String msg = MakefileMessages.getString("MakefileValidator.error.noMatchingEndifForCondition"); //$NON-NLS-1$
marker.addMarker(res, startLine, msg, severity, varName);
}
if (defineCount > 0) {
// ERROR no matching endef for define.
int startLine = 0;
String varName = ""; //$NON-NLS-1$
int severity = IMarkerGenerator.SEVERITY_ERROR_RESOURCE;
for (int i = directives.length - 1; i >= 0; i--) {
if (directives[i] instanceof IVariableDefinition) {
IVariableDefinition definition = (IVariableDefinition)directives[i];
if (definition.isMultiLine()) {
startLine = definition.getStartLine();
varName = definition.toString().trim();
break;
}
}
}
String msg = MakefileMessages.getString("MakefileValidator.error.noMatchingEndefForOverrideDefine"); //$NON-NLS-1$
marker.addMarker(res, startLine, msg, severity, varName);
}
}
public void validateCondition(IConditional condition) {
// Check if the condition are good formats
}
public void validateSpecialRule(ISpecialRule rule) {
// Check for special rules: .POSIX, .IGNORE etc ...
}
}
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