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/*******************************************************************************
* Copyright (c) 2009, 2013 Andrew Gvozdev and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Andrew Gvozdev - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.language.settings.providers;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.cdt.core.envvar.IEnvironmentVariable;
import org.eclipse.cdt.managedbuilder.core.BuildException;
import org.eclipse.cdt.managedbuilder.core.IConfiguration;
import org.eclipse.cdt.managedbuilder.core.IInputType;
import org.eclipse.cdt.managedbuilder.core.IOption;
import org.eclipse.cdt.managedbuilder.core.ITool;
import org.eclipse.cdt.managedbuilder.core.IToolChain;
import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
import org.eclipse.cdt.managedbuilder.core.ManagedBuilderCorePlugin;
import org.eclipse.cdt.managedbuilder.internal.envvar.EnvironmentVariableManagerToolChain;
/**
* Abstract parser capable to execute compiler command printing built-in compiler
* specs and parse built-in language settings out of it. The compiler to be used
* is taken from MBS tool-chain definition.
* <p>
* <strong>EXPERIMENTAL</strong>. This class interface is not stable yet as
* it is not currently (CDT 8.1, Juno) clear how it may need to be used in future.
* There is no guarantee that this API will work or that it will remain the same.
* Please do not use this API without consulting with the CDT team.
* </p>
* @noextend This class is not intended to be subclassed by clients.
*
* @since 8.1
*/
public abstract class ToolchainBuiltinSpecsDetector extends AbstractBuiltinSpecsDetector {
private static final String EMPTY_QUOTED_STRING = "\"\""; //$NON-NLS-1$
private Map<String, ITool> toolMap = new HashMap<String, ITool>();
/**
* Concrete compiler specs detectors need to supply tool-chain ID.
*
* Tool-chain id must be supplied for global providers where we don't
* have configuration description to figure that out programmatically.
* @since 8.2
*/
public abstract String getToolchainId();
/**
* Finds a tool handling given language in the tool-chain of the provider.
* This returns the first tool found.
*/
private ITool getTool(String languageId) {
if (languageId == null) {
return null;
}
if (currentCfgDescription == null) {
ITool tool = toolMap.get(languageId);
if (tool != null) {
return tool;
}
}
String toolchainId = null;
IToolChain toolchain = null;
ITool tool = null;
if (currentCfgDescription != null) {
IConfiguration cfg = ManagedBuildManager.getConfigurationForDescription(currentCfgDescription);
toolchain = cfg != null ? cfg.getToolChain() : null;
toolchainId = toolchain != null ? toolchain.getId() : null;
}
if (toolchain == null) {
toolchainId = getToolchainId();
toolchain = ManagedBuildManager.getExtensionToolChain(toolchainId);
}
for (;toolchain != null;toolchain = toolchain.getSuperClass()) {
tool = getTool(languageId, toolchain);
if (tool != null) {
break;
}
}
if (currentCfgDescription == null && tool != null) {
// cache only for global providers which use extension tool-chains that can not change
toolMap.put(languageId, tool);
}
if (tool == null) {
ManagedBuilderCorePlugin.error("Unable to find tool in toolchain=" + toolchainId + " for language=" + languageId); //$NON-NLS-1$ //$NON-NLS-2$
}
return tool;
}
/**
* Finds a tool handling given language in the tool-chain.
* This returns the first tool found.
*/
private ITool getTool(String languageId, IToolChain toolchain) {
ITool[] tools = toolchain.getTools();
for (ITool tool : tools) {
IInputType[] inputTypes = tool.getInputTypes();
for (IInputType inType : inputTypes) {
String lang = inType.getLanguageId(tool);
if (languageId.equals(lang)) {
return tool;
}
}
}
return null;
}
@Override
protected String getCompilerCommand(String languageId) {
ITool tool = getTool(languageId);
String compilerCommand = tool != null ? tool.getToolCommand() : ""; //$NON-NLS-1$
if (compilerCommand.isEmpty()) {
ManagedBuilderCorePlugin.error("Unable to find compiler command in toolchain=" + getToolchainId()); //$NON-NLS-1$
}
return compilerCommand;
}
@Override
protected String getSpecFileExtension(String languageId) {
String ext = null;
ITool tool = getTool(languageId);
String[] srcFileExtensions = tool != null ? tool.getAllInputExtensions() : null;
if (srcFileExtensions != null && srcFileExtensions.length > 0) {
ext = srcFileExtensions[0];
}
if (ext == null || ext.isEmpty()) {
ManagedBuilderCorePlugin.error("Unable to find file extension for language " + languageId); //$NON-NLS-1$
}
return ext;
}
@Override
protected String getToolOptions(String languageId) {
String flags = ""; //$NON-NLS-1$
ITool tool = getTool(languageId);
if (tool != null) {
IOption[] options = tool.getOptions();
for (IOption option : options) {
if (option.isForScannerDiscovery()) {
try {
String optionValue = null;
switch (option.getBasicValueType()) {
case IOption.BOOLEAN:
if (option.getBooleanValue()) {
optionValue = option.getCommand();
} else {
optionValue = option.getCommandFalse();
}
break;
case IOption.ENUMERATED:
optionValue = option.getEnumCommand(option.getSelectedEnum());
break;
case IOption.STRING:
optionValue = option.getCommand() + option.getStringValue();
break;
case IOption.STRING_LIST:
String[] values = option.getBasicStringListValue();
if(values != null) {
optionValue = ""; //$NON-NLS-1$
String cmd = option.getCommand();
for (String value : values) {
if(!value.isEmpty() && !value.equals(EMPTY_QUOTED_STRING)) {
optionValue = optionValue + cmd + value + ' ';
}
}
}
break;
case IOption.TREE:
optionValue = option.getCommand(option.getStringValue());
break;
default:
}
if (optionValue != null) {
flags = flags + ' ' + optionValue.trim();
}
} catch (BuildException e) {
ManagedBuilderCorePlugin.log(e);
}
}
}
}
return flags.trim();
}
@Override
protected List<IEnvironmentVariable> getEnvironmentVariables() {
if (envMngr == null && currentCfgDescription == null) {
// For global provider need to include toolchain in the equation
IToolChain toolchain = ManagedBuildManager.getExtensionToolChain(getToolchainId());
envMngr = new EnvironmentVariableManagerToolChain(toolchain);
}
List<IEnvironmentVariable> vars = super.getEnvironmentVariables();
return vars;
}
}
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