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/*
* Copyright (c) 2008
* Embedded Brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* rtems@embedded-brains.de
*
* The license and distribution terms for this file may be found in the file
* LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
*/
package org.rtems.cdt;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.cdt.build.core.scannerconfig.CfgInfoContext;
import org.eclipse.cdt.build.internal.core.scannerconfig.CfgDiscoveredPathManager;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
import org.eclipse.cdt.core.settings.model.ICProjectDescription;
import org.eclipse.cdt.managedbuilder.core.IConfiguration;
import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.QualifiedName;
public class Storage {
private static final String OPTION_SEPARATOR = "\0";
private static final String VALUE_START_TOKEN = "\t";
private static final int EXPECT_OPTION = 0;
private static final int EXPECT_COMMAND = 1;
private static final int EXPECT_KEY = 2;
private static final int TOOL_COMPLETE = 3;
public static String getPreference( String key) {
return Activator.getDefault().getPreferenceStore().getString( key);
}
public static String getPristineProperty( IProject project, String key) {
String value = null;
try {
value = project.getPersistentProperty( new QualifiedName( "", key));
} catch (CoreException e) {
e.printStackTrace();
}
return value;
}
public static String getProperty( IProject project, String key) {
String value = getPristineProperty( project, key);
if (value == null) {
if (key.startsWith( Constants.TOOL_KEY_PREFIX)) {
updateTools( project);
} else {
value = Activator.getDefault().getPreferenceStore().getString( key);
setProperty( project, key, value);
}
}
return value;
}
public static void setProperty( IProject project, String key, String value) {
try {
project.setPersistentProperty( new QualifiedName( "", key), value);
} catch (CoreException e) {
e.printStackTrace();
}
}
public static IConfiguration [] getConfigurations( IProject project) {
ICProjectDescription pd = CoreModel.getDefault().getProjectDescription( project);
ICConfigurationDescription cds [] = pd.getConfigurations();
IConfiguration cfgs [] = new IConfiguration [cds.length];
for (int i = 0; i < cds.length; ++i) {
cfgs [i] = ManagedBuildManager.getConfigurationForDescription( cds [i]);
}
return cfgs;
}
public static IConfiguration getActiveConfiguration( IProject project) {
ICProjectDescription pd = CoreModel.getDefault().getProjectDescription( project);
ICConfigurationDescription cd = pd.getActiveConfiguration();
IConfiguration cfg = ManagedBuildManager.getConfigurationForDescription( cd);
return cfg;
}
public static void updateTools( IProject project) {
String path = getProperty( project, Constants.BSP_PATH_KEY);
// Translate path if necessary
if (Platform.getOS().equals( Platform.OS_WIN32)) {
// FIXME: MinGW?
String device = path.split( ":") [0];
path = path.replaceFirst( "^" + device + ":", "/cygdrive/" + device).replaceAll( "\\\\", "/");
}
// Create make process builder
ProcessBuilder pb = new ProcessBuilder(
"make",
Constants.BSP_PATH_MAKE_VARIABLE + "=" + path
);
// Change working directory to the Makefile location
pb.directory( Activator.getDefault().getMakefileLocation().toFile());
// Start make process and parse its output
Process p = null;
try {
p = pb.start();
InputStream is = p.getInputStream();
BufferedReader br = new BufferedReader( new InputStreamReader( is));
String line = br.readLine();
String key = null;
String command = null;
List<String> options = new LinkedList<String>();
int state = EXPECT_KEY;
while (line != null) {
switch (state) {
case EXPECT_OPTION:
if (line.startsWith( VALUE_START_TOKEN)) {
options.add( line.substring( 1));
} else {
state = TOOL_COMPLETE;
continue;
}
break;
case EXPECT_COMMAND:
if (line.startsWith( VALUE_START_TOKEN)) {
command = line.substring( 1);
state = EXPECT_OPTION;
} else {
throw new IOException( "Unexpected line format");
}
break;
case EXPECT_KEY:
if (line.length() > Constants.TOOL_KEY_PREFIX.length()) {
key = line;
state = EXPECT_COMMAND;
} else {
throw new IOException( "Unexpected line format");
}
break;
case TOOL_COMPLETE:
updateTool( project, key, command, options);
options.clear();
state = EXPECT_KEY;
continue;
default:
throw new IOException( "Unexpected state");
}
line = br.readLine();
}
if (state == EXPECT_OPTION) {
updateTool( project, key, command, options);
}
} catch (IOException e) {
e.printStackTrace();
} finally {
while (true) {
try {
p.waitFor();
break;
} catch (InterruptedException e) {
continue;
}
}
}
// Delete discovered paths for all configurations of the project
for (IConfiguration cfg : getConfigurations( project)) {
CfgDiscoveredPathManager.getInstance().removeDiscoveredInfo(
project,
new CfgInfoContext( cfg)
);
}
}
private static void updateTool( IProject project, String toolKey, String command, List<String> options) {
List<String> filteredOptions = new LinkedList<String>();
// Filter options
if (toolKey.startsWith( Constants.COMPILER_KEY_PREFIX) || toolKey.startsWith( Constants.LINKER_KEY_PREFIX)) {
for (String option : options) {
if (!(option.isEmpty() || option.trim().matches( "^-c|-O[0123s]|-g|-W[\\w-]*$"))) {
filteredOptions.add( option);
}
}
} else {
filteredOptions = options;
}
// Transform filtered option list into option string value
String optionsValue = new String();
if (!options.isEmpty()) {
optionsValue = filteredOptions.get( 0);
filteredOptions.remove( 0);
}
for (String option : filteredOptions) {
optionsValue += OPTION_SEPARATOR + option;
}
// Set properties
setProperty( project, toolKey, command);
setProperty( project, toolKey + Constants.TOOL_OPTIONS_KEY_POSTFIX, optionsValue);
}
public static String [] getToolOptions( IProject project, String toolKey) {
String optionsValue = getProperty( project, toolKey + Constants.TOOL_OPTIONS_KEY_POSTFIX);
return optionsValue.split( OPTION_SEPARATOR);
}
private Storage() {
// Do nothing
}
}
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