build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/buildmodel/BuildStep.java - cdt/org.eclipse.cdt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2016 Intel Corporation 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:
  * Intel Corporation - Initial API and implementation
  *******************************************************************************/
 package org.eclipse.cdt.managedbuilder.internal.buildmodel;

 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.cdt.core.cdtvariables.CdtVariableException;
 import org.eclipse.cdt.managedbuilder.buildmodel.BuildDescriptionManager;
 import org.eclipse.cdt.managedbuilder.buildmodel.IBuildCommand;
 import org.eclipse.cdt.managedbuilder.buildmodel.IBuildDescription;
 import org.eclipse.cdt.managedbuilder.buildmodel.IBuildIOType;
 import org.eclipse.cdt.managedbuilder.buildmodel.IBuildResource;
 import org.eclipse.cdt.managedbuilder.buildmodel.IBuildStep;
 import org.eclipse.cdt.managedbuilder.core.BuildException;
 import org.eclipse.cdt.managedbuilder.core.IBuildObject;
 import org.eclipse.cdt.managedbuilder.core.IBuilder;
 import org.eclipse.cdt.managedbuilder.core.IConfiguration;
 import org.eclipse.cdt.managedbuilder.core.IInputType;
 import org.eclipse.cdt.managedbuilder.core.IManagedCommandLineGenerator;
 import org.eclipse.cdt.managedbuilder.core.IManagedCommandLineInfo;
 import org.eclipse.cdt.managedbuilder.core.IOption;
 import org.eclipse.cdt.managedbuilder.core.ITool;
 import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
 import org.eclipse.cdt.managedbuilder.internal.core.Configuration;
 import org.eclipse.cdt.managedbuilder.internal.core.Tool;
 import org.eclipse.cdt.managedbuilder.internal.macros.BuildMacroProvider;
 import org.eclipse.cdt.managedbuilder.internal.macros.FileContextData;
 import org.eclipse.cdt.managedbuilder.internal.macros.IMacroContextInfo;
 import org.eclipse.cdt.managedbuilder.macros.IBuildMacroProvider;
 import org.eclipse.cdt.managedbuilder.macros.IFileContextData;
 import org.eclipse.cdt.utils.cdtvariables.CdtVariableResolver;
 import org.eclipse.cdt.utils.cdtvariables.SupplierBasedCdtVariableSubstitutor;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;

 public class BuildStep implements IBuildStep {
 	private List<BuildIOType> fInputTypes = new ArrayList<BuildIOType>();
 	private List<BuildIOType> fOutputTypes = new ArrayList<BuildIOType>();
 	private ITool fTool;
 	private BuildGroup fBuildGroup;
 	private boolean fNeedsRebuild;
 	private boolean fIsRemoved;
 	private BuildDescription fBuildDescription;
 	private IInputType fInputType;
 	private ITool fLibTool;
 	private boolean fAssignToCalculated;

 	protected BuildStep(BuildDescription des, ITool tool, IInputType inputType){
 		fTool = tool;
 		fInputType = inputType;
 		fBuildDescription = des;

 		if(DbgUtil.DEBUG)
 			DbgUtil.trace("step " + DbgUtil.stepName(this) + " created");	//$NON-NLS-1$	//$NON-NLS-2$

 		des.stepCreated(this);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getInputIOTypes()
 	 */
 	@Override
 	public IBuildIOType[] getInputIOTypes() {
 		return fInputTypes.toArray(new BuildIOType[fInputTypes.size()]);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getOutputIOTypes()
 	 */
 	@Override
 	public IBuildIOType[] getOutputIOTypes() {
 		return fOutputTypes.toArray(new BuildIOType[fOutputTypes.size()]);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#needsRebuild()
 	 */
 	@Override
 	public boolean needsRebuild() {
 		if(fNeedsRebuild
 				|| (fTool != null && fTool.needsRebuild())
 				|| (fLibTool != null && fLibTool.needsRebuild()))
 			return true;

 		if(fBuildGroup != null && fBuildGroup.needsRebuild())
 			return true;

 		return false;
 	}

 	public void setRebuildState(boolean rebuild){
 		fNeedsRebuild = rebuild;
 	}

 	public BuildResource[] removeIOType(BuildIOType type) {

 		BuildResource rcs[] = type.remove();

 		if(type.isInput())
 			fInputTypes.remove(type);
 		else
 			fOutputTypes.remove(type);

 		return rcs;
 	}

 	BuildResource[][] remove(){
 		BuildResource[][] rcs = clear();

 		if(DbgUtil.DEBUG)
 			DbgUtil.trace("step  " + DbgUtil.stepName(this) + " removed");	//$NON-NLS-1$	//$NON-NLS-2$

 		fBuildDescription.stepRemoved(this);
 		fBuildDescription = null;

 		return rcs;
 	}

 	BuildResource[][] clear(){
 		BuildResource[][] rcs = new BuildResource[2][];

 		rcs[0] = (BuildResource[])getInputResources();
 		rcs[1] = (BuildResource[])getOutputResources();

 		BuildIOType types[] = (BuildIOType[])getInputIOTypes();
 		for(int i = 0; i < types.length; i++){
 			removeIOType(types[i]);
 		}

 		types = (BuildIOType[])getOutputIOTypes();
 		for(int i = 0; i < types.length; i++){
 			removeIOType(types[i]);
 		}

 		return rcs;
 	}

 	public void removeResource(BuildIOType type, BuildResource rc, boolean rmTypeIfEmpty){
 		type.removeResource(rc);
 		if(rmTypeIfEmpty && type.getResources().length == 0){
 			removeIOType(type);
 		}
 	}

 	public BuildIOType createIOType(boolean input, boolean primary, /*String ext,*/ IBuildObject ioType) {
 		if(input){
 			if(fBuildDescription.getInputStep() == this)
 				throw new IllegalArgumentException("input step can not have inputs");	//$NON-NLS-1$
 		} else {
 			if(fBuildDescription.getOutputStep() == this)
 				throw new IllegalArgumentException("input step can not have outputs");	//$NON-NLS-1$
 		}

 		BuildIOType arg = new BuildIOType(this, input, primary, /*ext,*/ ioType);
 		if(input)
 			fInputTypes.add(arg);
 		else
 			fOutputTypes.add(arg);

 		return arg;
 	}

 	public void setTool(ITool tool){
 		fTool = tool;
 	}

 	public ITool getTool(){
 		return fTool;
 	}

 	public BuildIOType[] getPrimaryTypes(boolean input){
 		List<BuildIOType> types = input ? fInputTypes : fOutputTypes;

 		List<BuildIOType> list = new ArrayList<BuildIOType>();
 		for (BuildIOType arg : types) {
 			if(arg.isPrimary())
 				list.add(arg);
 		}
 		return list.toArray(new BuildIOType[list.size()]);
 	}

 	public BuildIOType getIOTypeForType(IBuildObject ioType, boolean input){
 		List<BuildIOType> list = input ? fInputTypes : fOutputTypes;

 		if(ioType != null){
 			for (BuildIOType arg : list) {
 				if(arg.getIoType() == ioType)
 					return arg;
 			}
 		} else {
 			if(list.size() > 0)
 				return list.get(0);
 		}
 		return null;
 	}

 	protected void setGroup(BuildGroup group){
 		fBuildGroup = group;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getInputResources()
 	 */
 	@Override
 	public IBuildResource[] getInputResources() {
 		return getResources(true);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getOutputResources()
 	 */
 	@Override
 	public IBuildResource[] getOutputResources() {
 		return getResources(false);
 	}

 	public IBuildResource[] getResources(boolean input){
 		List<BuildIOType> list = input ? fInputTypes : fOutputTypes;
 		Set<IBuildResource> set = new HashSet<IBuildResource>();

 		for (BuildIOType arg : list) {
 			IBuildResource rcs[] = arg.getResources();
 			for(int j = 0; j < rcs.length; j++){
 				set.add(rcs[j]);
 			}
 		}
 		return set.toArray(new BuildResource[set.size()]);
 	}


 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getCommands(org.eclipse.core.runtime.IPath, java.util.Map, java.util.Map, boolean)
 	 */
 	@Override
 	public IBuildCommand[] getCommands(IPath cwd, Map inputArgValues, Map outputArgValues, boolean resolveAll) {
 		if(cwd == null)
 			cwd = calcCWD();


 		if(fTool == null){
 			String step = null;
 			String appendToLastStep = null;
 			if(this == fBuildDescription.getInputStep()){
 				step = fBuildDescription.getConfiguration().getPrebuildStep();
 			} else if(this == fBuildDescription.getOutputStep()){
 				step = fBuildDescription.getConfiguration().getPostbuildStep();
 			} else if(this == fBuildDescription.getCleanStep()){
 				step = fBuildDescription.getConfiguration().getCleanCommand();

 				IBuildResource[] generated = fBuildDescription.getResources(true);

 				if(generated.length != 0){
 					StringBuilder buf = new StringBuilder();
 					for(int i = 0; i < generated.length; i++){
 						buf.append(' ');

 						IPath rel = BuildDescriptionManager.getRelPath(cwd, generated[i].getLocation());
 						buf.append(rel.toString());
 					}
 					appendToLastStep = buf.toString();
 				}
 			}

 			if(step != null && (step = step.trim()).length() > 0){
 				step = resolveMacros(step, resolveAll);
 				if(step != null && (step = step.trim()).length() > 0){
 					String commands[] = step.split(";"); 	//$NON-NLS-1$

 					if(appendToLastStep != null && commands.length != 0){
 						commands[commands.length - 1] = commands[commands.length - 1] + appendToLastStep;
 					}

 					List<IBuildCommand> list = new ArrayList<IBuildCommand>();
 					for(int i = 0; i < commands.length; i++){
 						IBuildCommand cmds[] = createCommandsFromString(commands[i], cwd, getEnvironment());
 						for(int j = 0; j < cmds.length; j++){
 							list.add(cmds[j]);
 						}
 					}
 					return list.toArray(new BuildCommand[list.size()]);
 				}
 			}
 			return new IBuildCommand[0];
 		}


 		performAsignToOption(cwd);

 		BuildResource inRc = getRcForMacros(true);
 		BuildResource outRc = getRcForMacros(false);
 		IPath inRcPath = inRc != null ? BuildDescriptionManager.getRelPath(cwd, inRc.getLocation()) : null;
 		IPath outRcPath = outRc != null ? BuildDescriptionManager.getRelPath(cwd, outRc.getLocation()) : null;

 		IManagedCommandLineGenerator gen = fTool.getCommandLineGenerator();
 		FileContextData data = new FileContextData(inRcPath, outRcPath, null, fTool);
 		String outPrefix = fTool.getOutputPrefix();
 		outPrefix = resolveMacros(outPrefix, data, true);
 		outRcPath = rmNamePrefix(outRcPath, outPrefix);

 		IManagedCommandLineInfo info = gen.generateCommandLineInfo(fTool,
 				fTool.getToolCommand(),
 				getCommandFlags(inRcPath, outRcPath, resolveAll),
 				fTool.getOutputFlag(),
 				outPrefix,
 				listToString(resourcesToStrings(cwd, getPrimaryResources(false), outPrefix), " "), 	//$NON-NLS-1$
 				getInputResources(cwd, getPrimaryResources(true)),
 				fTool.getCommandLinePattern());

 		return createCommandsFromString(resolveMacros(info.getCommandLine(), data, true), cwd, getEnvironment());
 	}

 	private IPath rmNamePrefix(IPath path, String prefix){
 		if(prefix != null && prefix.length() != 0){
 			String name = path.lastSegment();
 			if(name.startsWith(prefix)){
 				name = name.substring(prefix.length());
 				path = path.removeLastSegments(1).append(name);
 			}
 		}
 		return path;
 	}

 	private String[] getInputResources(IPath cwd, BuildResource[] rcs) {
 		String[] resources = resourcesToStrings(cwd, rcs, null);

 		// also need to get libraries
 		String[] libs = null;
 		IOption[] opts = fTool.getOptions();
 		for (int i = 0; i < opts.length; ++i) {
 			try {
 				IOption opt = opts[i];
 				if (opt.getValueType() == IOption.LIBRARIES) {
 					String[] l = opts[i].getLibraries();
 					if (l != null) {
 						libs = new String[l.length];
 						for (int j = 0; j < l.length; ++j) {
 							libs[j] = opt.getCommand() + l[j];
 						}
 					}
 				}
 			} catch (BuildException e) {
 			}
 		}

 		if (libs != null) {
 			String[] irs = new String[resources.length + libs.length];
 			System.arraycopy(resources, 0, irs, 0, resources.length);
 			System.arraycopy(libs, 0, irs, resources.length, libs.length);
 			return irs;
 		} else {
 			return resources;
 		}
 	}

 	private IPath calcCWD(){
 		IPath cwd = fBuildDescription.getDefaultBuildDirLocation();

 		if(!cwd.isAbsolute())
 			cwd = fBuildDescription.getConfiguration().getOwner().getProject().getLocation().append(cwd);

 		return cwd;
 	}

 	protected Map<String, String> getEnvironment(){
 		return fBuildDescription.getEnvironment();
 	}

 	protected IBuildCommand[] createCommandsFromString(String cmd, IPath cwd, Map<String, String> env){
 		char arr[] = cmd.toCharArray();
 		char expect = 0;
 		char prev = 0;
 //		int start = 0;
 		List<String> list = new ArrayList<String>();
 		StringBuilder buf = new StringBuilder();
 		for(int i = 0; i < arr.length; i++){
 			char ch = arr[i];
 			switch(ch){
 			case '\'':
 			case '"':
 				if(expect == ch){
 //					String s = cmd.substring(start, i);
 //					list.add(s);
 					expect = 0;
 //					start = i + 1;
 				} else if (expect == 0){
 //					String s = cmd.substring(start, i);
 //					list.add(s);
 					expect = ch;
 //					start = i + 1;
 				} else {
 					buf.append(ch);
 				}
 				break;
 			case ' ':
 				if(expect == 0){
 					if(prev != ' '){
 						list.add(buf.toString());
 						buf.delete(0, buf.length());
 					}
 //					start = i + 1;
 				} else {
 					buf.append(ch);
 				}
 				break;
 			default:
 				buf.append(ch);
 				break;

 			}
 			prev = ch;
 		}

 		if(buf.length() > 0)
 			list.add(buf.toString());

 		IPath c = new Path(list.remove(0));
 		String[] args = list.toArray(new String[list.size()]);

 		return new IBuildCommand[]{new BuildCommand(c, args, env, cwd, this)};
 	}

 	private BuildResource[] getPrimaryResources(boolean input){
 		BuildIOType[] types = getPrimaryTypes(input);
 		if(types.length == 0)
 			types = input ? (BuildIOType[])getInputIOTypes() : (BuildIOType[])getOutputIOTypes();
 		List<BuildResource> list = new ArrayList<BuildResource>();

 		for(int i = 0; i < types.length; i++){
 			BuildResource [] rcs = (BuildResource[])types[i].getResources();

 			for(int j = 0; j < rcs.length; j++){
 				list.add(rcs[j]);
 			}
 		}

 		return list.toArray(new BuildResource[list.size()]);
 	}

 	private String[] resourcesToStrings(IPath cwd, BuildResource rcs[], String prefixToRm){
 		List<String> list = new ArrayList<String>(rcs.length);

 		for(int i = 0; i < rcs.length; i++){
 			IPath path = BuildDescriptionManager.getRelPath(cwd, rcs[i].getLocation());
 			path = rmNamePrefix(path, prefixToRm);
 			list.add(path.toOSString());
 		}
 		return list.toArray(new String[list.size()]);
 	}

 	private String resolveMacros(String str, IFileContextData fileData, boolean resolveAll){
 		String result = str;
 		try {
 			if(resolveAll){
 				IConfiguration cfg = getBuildDescription().getConfiguration();
 				IBuilder builder = cfg.getBuilder();
 				SupplierBasedCdtVariableSubstitutor sub = createSubstitutor(cfg, builder, fileData);
 				result = CdtVariableResolver.resolveToString(str, sub);
 			} else {
 				result = ManagedBuildManager.getBuildMacroProvider().resolveValueToMakefileFormat(str, "", " ", IBuildMacroProvider.CONTEXT_FILE, fileData);	//$NON-NLS-1$	//$NON-NLS-2$
 			}
 		} catch (CdtVariableException e) {
 		}

 		return result;
 	}

 	private String resolveMacros(String str, boolean resolveAll){
 		String result = str;
 		try {
 			IConfiguration cfg = getBuildDescription().getConfiguration();
 			if(resolveAll){
 				result = ManagedBuildManager.getBuildMacroProvider().resolveValue(str, "", " ", IBuildMacroProvider.CONTEXT_CONFIGURATION, cfg);	//$NON-NLS-1$	//$NON-NLS-2$
 			} else {
 				result = ManagedBuildManager.getBuildMacroProvider().resolveValueToMakefileFormat(str, "", " ", IBuildMacroProvider.CONTEXT_CONFIGURATION, cfg);	//$NON-NLS-1$	//$NON-NLS-2$
 			}
 		} catch (CdtVariableException e) {
 		}

 		return result;
 	}

 	private SupplierBasedCdtVariableSubstitutor createSubstitutor(IConfiguration cfg, IBuilder builder, IFileContextData fileData){
 		BuildMacroProvider prov = (BuildMacroProvider)ManagedBuildManager.getBuildMacroProvider();
 		IMacroContextInfo info = prov.getMacroContextInfo(IBuildMacroProvider.CONTEXT_FILE, fileData);
 		FileMacroExplicitSubstitutor sub = new FileMacroExplicitSubstitutor(
 				info,
 				cfg,
 				builder,
 				"", " ");	//$NON-NLS-1$	//$NON-NLS-2$

 		return sub;
 	}

 	private String[] getCommandFlags(IPath inRcPath, IPath outRcPath, boolean resolveAll){
 		try {
 			if(resolveAll) {
 				IConfiguration cfg = getBuildDescription().getConfiguration();
 				IBuilder builder = cfg.getBuilder();
 					return ((Tool)fTool).getToolCommandFlags(inRcPath, outRcPath,
 							createSubstitutor(cfg, builder,
 									new FileContextData(inRcPath, outRcPath, null, fTool)),
 							BuildMacroProvider.getDefault());
 			}
 			return fTool.getToolCommandFlags(inRcPath, outRcPath);
 		} catch (BuildException e) {
 		}
 		return new String[0];
 	}

 	private String listToString(String[] list, String delimiter){
 		if(list == null || list.length == 0)
 			return ""; //$NON-NLS-1$

 		StringBuilder buf = new StringBuilder(list[0]);

 		for(int i = 1; i < list.length; i++){
 			buf.append(delimiter).append(list[i]);
 		}

 		return buf.toString();
 	}

 	private BuildResource getRcForMacros(boolean input){
 		IBuildIOType types[] = getPrimaryTypes(input);
 		if(types.length != 0){
 			for(int i = 0; i < types.length; i++){
 				IBuildResource rcs[] = types[i].getResources();
 				if(rcs.length != 0)
 					return (BuildResource)rcs[0];
 			}
 		}

 		types = input ? getInputIOTypes() : getOutputIOTypes();
 		if(types.length != 0){
 			for(int i = 0; i < types.length; i++){
 				IBuildResource rcs[] = types[i].getResources();
 				if(rcs.length != 0)
 					return (BuildResource)rcs[0];
 			}
 		}

 		return null;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#isRemoved()
 	 */
 	@Override
 	public boolean isRemoved(){
 		return fIsRemoved;
 	}

 	public void setRemoved() {
 		fIsRemoved = true;
 		fNeedsRebuild = false;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getBuildDescription()
 	 */
 	@Override
 	public IBuildDescription getBuildDescription(){
 		return fBuildDescription;
 	}

 	boolean isMultiAction(){
 		BuildIOType args[] = getPrimaryTypes(true);
 		BuildIOType arg = args.length > 0 ? args[0] : null;

 		if(arg != null){
 			if(arg.getIoType() != null)
 				return ((IInputType)arg.getIoType()).getMultipleOfType();
 			return fTool != null && fTool == ((Configuration)fBuildDescription.getConfiguration()).calculateTargetTool();
 		}
 		return false;
 	}

 	public IInputType getInputType(){
 		return fInputType;
 	}

 	public void setLibTool(ITool libTool){
 		fLibTool = libTool;
 	}

 	public ITool getLibTool(){
 		return fLibTool;
 	}

 	protected void performAsignToOption(IPath cwd){
 		if(fTool == null && !fAssignToCalculated)
 			return;

 		fAssignToCalculated = true;

 		IConfiguration cfg = fBuildDescription.getConfiguration();

 		for (BuildIOType bType : fInputTypes) {
 			IInputType type = (IInputType)bType.getIoType();

 			if(type == null)
 				continue;

 			IOption option = fTool.getOptionBySuperClassId(type.getOptionId());
 			IOption assignToOption = fTool.getOptionBySuperClassId(type.getAssignToOptionId());
 			if (assignToOption != null && option == null) {
 				try {
 					BuildResource bRcs[] = (BuildResource[])bType.getResources();
 					int optType = assignToOption.getValueType();
 					if (optType == IOption.STRING) {
 						String optVal = "";	   //$NON-NLS-1$
 						for (int j=0; j<bRcs.length; j++) {
 							if (j != 0) {
 								optVal += " ";	   //$NON-NLS-1$
 							}
 							optVal += BuildDescriptionManager.getRelPath(cwd, bRcs[j].getLocation()).toOSString();
 						}
 						ManagedBuildManager.setOption(cfg, fTool, assignToOption, optVal);
 					} else if (
 							optType == IOption.STRING_LIST ||
 							optType == IOption.LIBRARIES ||
 							optType == IOption.OBJECTS ||
 							optType == IOption.INCLUDE_PATH ||
 							optType == IOption.PREPROCESSOR_SYMBOLS ||
 							optType == IOption.INCLUDE_FILES ||
 							optType == IOption.LIBRARY_PATHS ||
 							optType == IOption.LIBRARY_FILES ||
 							optType == IOption.MACRO_FILES ||
 							optType == IOption.UNDEF_INCLUDE_PATH ||
 							optType == IOption.UNDEF_PREPROCESSOR_SYMBOLS ||
 							optType == IOption.UNDEF_INCLUDE_FILES ||
 							optType == IOption.UNDEF_LIBRARY_PATHS ||
 							optType == IOption.UNDEF_LIBRARY_FILES ||
 							optType == IOption.UNDEF_MACRO_FILES){
 						//  Mote that when using the enumerated inputs, the path(s) must be translated from project relative
 						//  to top build directory relative
 						String[] paths = new String[bRcs.length];
 						for (int j=0; j<bRcs.length; j++) {
 							paths[j] = BuildDescriptionManager.getRelPath(cwd, bRcs[j].getLocation()).toOSString();
 						}
 						ManagedBuildManager.setOption(cfg, fTool, assignToOption, paths);
 					} else if (optType == IOption.BOOLEAN) {
 						if (bRcs.length > 0) {
 							ManagedBuildManager.setOption(cfg, fTool, assignToOption, true);
 						} else {
 							ManagedBuildManager.setOption(cfg, fTool, assignToOption, false);
 						}
 					} else if (optType == IOption.ENUMERATED || optType == IOption.TREE) {
 						if (bRcs.length > 0) {
 							ManagedBuildManager.setOption(cfg, fTool, assignToOption, BuildDescriptionManager.getRelPath(cwd, bRcs[0].getLocation()).toOSString());
 						}
 					}
 				} catch( BuildException ex ) {
 				}
 			}
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2006, 2016 Intel Corporation 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:
	* Intel Corporation - Initial API and implementation
	*******************************************************************************/
	package org.eclipse.cdt.managedbuilder.internal.buildmodel;

	import java.util.ArrayList;
	import java.util.HashSet;
	import java.util.List;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.cdt.core.cdtvariables.CdtVariableException;
	import org.eclipse.cdt.managedbuilder.buildmodel.BuildDescriptionManager;
	import org.eclipse.cdt.managedbuilder.buildmodel.IBuildCommand;
	import org.eclipse.cdt.managedbuilder.buildmodel.IBuildDescription;
	import org.eclipse.cdt.managedbuilder.buildmodel.IBuildIOType;
	import org.eclipse.cdt.managedbuilder.buildmodel.IBuildResource;
	import org.eclipse.cdt.managedbuilder.buildmodel.IBuildStep;
	import org.eclipse.cdt.managedbuilder.core.BuildException;
	import org.eclipse.cdt.managedbuilder.core.IBuildObject;
	import org.eclipse.cdt.managedbuilder.core.IBuilder;
	import org.eclipse.cdt.managedbuilder.core.IConfiguration;
	import org.eclipse.cdt.managedbuilder.core.IInputType;
	import org.eclipse.cdt.managedbuilder.core.IManagedCommandLineGenerator;
	import org.eclipse.cdt.managedbuilder.core.IManagedCommandLineInfo;
	import org.eclipse.cdt.managedbuilder.core.IOption;
	import org.eclipse.cdt.managedbuilder.core.ITool;
	import org.eclipse.cdt.managedbuilder.core.ManagedBuildManager;
	import org.eclipse.cdt.managedbuilder.internal.core.Configuration;
	import org.eclipse.cdt.managedbuilder.internal.core.Tool;
	import org.eclipse.cdt.managedbuilder.internal.macros.BuildMacroProvider;
	import org.eclipse.cdt.managedbuilder.internal.macros.FileContextData;
	import org.eclipse.cdt.managedbuilder.internal.macros.IMacroContextInfo;
	import org.eclipse.cdt.managedbuilder.macros.IBuildMacroProvider;
	import org.eclipse.cdt.managedbuilder.macros.IFileContextData;
	import org.eclipse.cdt.utils.cdtvariables.CdtVariableResolver;
	import org.eclipse.cdt.utils.cdtvariables.SupplierBasedCdtVariableSubstitutor;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;

	public class BuildStep implements IBuildStep {
	private List<BuildIOType> fInputTypes = new ArrayList<BuildIOType>();
	private List<BuildIOType> fOutputTypes = new ArrayList<BuildIOType>();
	private ITool fTool;
	private BuildGroup fBuildGroup;
	private boolean fNeedsRebuild;
	private boolean fIsRemoved;
	private BuildDescription fBuildDescription;
	private IInputType fInputType;
	private ITool fLibTool;
	private boolean fAssignToCalculated;

	protected BuildStep(BuildDescription des, ITool tool, IInputType inputType){
	fTool = tool;
	fInputType = inputType;
	fBuildDescription = des;

	if(DbgUtil.DEBUG)
	DbgUtil.trace("step " + DbgUtil.stepName(this) + " created"); //$NON-NLS-1$ //$NON-NLS-2$

	des.stepCreated(this);
	}

	/* (non-Javadoc)
	* @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getInputIOTypes()
	*/
	@Override
	public IBuildIOType[] getInputIOTypes() {
	return fInputTypes.toArray(new BuildIOType[fInputTypes.size()]);
	}

	/* (non-Javadoc)
	* @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getOutputIOTypes()
	*/
	@Override
	public IBuildIOType[] getOutputIOTypes() {
	return fOutputTypes.toArray(new BuildIOType[fOutputTypes.size()]);
	}

	/* (non-Javadoc)
	* @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#needsRebuild()
	*/
	@Override
	public boolean needsRebuild() {
	if(fNeedsRebuild
	\|\| (fTool != null && fTool.needsRebuild())
	\|\| (fLibTool != null && fLibTool.needsRebuild()))
	return true;

	if(fBuildGroup != null && fBuildGroup.needsRebuild())
	return true;

	return false;
	}

	public void setRebuildState(boolean rebuild){
	fNeedsRebuild = rebuild;
	}

	public BuildResource[] removeIOType(BuildIOType type) {

	BuildResource rcs[] = type.remove();

	if(type.isInput())
	fInputTypes.remove(type);
	else
	fOutputTypes.remove(type);

	return rcs;
	}

	BuildResource[][] remove(){
	BuildResource[][] rcs = clear();

	if(DbgUtil.DEBUG)
	DbgUtil.trace("step " + DbgUtil.stepName(this) + " removed"); //$NON-NLS-1$ //$NON-NLS-2$

	fBuildDescription.stepRemoved(this);
	fBuildDescription = null;

	return rcs;
	}

	BuildResource[][] clear(){
	BuildResource[][] rcs = new BuildResource[2][];

	rcs[0] = (BuildResource[])getInputResources();
	rcs[1] = (BuildResource[])getOutputResources();

	BuildIOType types[] = (BuildIOType[])getInputIOTypes();
	for(int i = 0; i < types.length; i++){
	removeIOType(types[i]);
	}

	types = (BuildIOType[])getOutputIOTypes();
	for(int i = 0; i < types.length; i++){
	removeIOType(types[i]);
	}

	return rcs;
	}

	public void removeResource(BuildIOType type, BuildResource rc, boolean rmTypeIfEmpty){
	type.removeResource(rc);
	if(rmTypeIfEmpty && type.getResources().length == 0){
	removeIOType(type);
	}
	}

	public BuildIOType createIOType(boolean input, boolean primary, /String ext,/ IBuildObject ioType) {
	if(input){
	if(fBuildDescription.getInputStep() == this)
	throw new IllegalArgumentException("input step can not have inputs"); //$NON-NLS-1$
	} else {
	if(fBuildDescription.getOutputStep() == this)
	throw new IllegalArgumentException("input step can not have outputs"); //$NON-NLS-1$
	}

	BuildIOType arg = new BuildIOType(this, input, primary, /ext,/ ioType);
	if(input)
	fInputTypes.add(arg);
	else
	fOutputTypes.add(arg);

	return arg;
	}

	public void setTool(ITool tool){
	fTool = tool;
	}

	public ITool getTool(){
	return fTool;
	}

	public BuildIOType[] getPrimaryTypes(boolean input){
	List<BuildIOType> types = input ? fInputTypes : fOutputTypes;

	List<BuildIOType> list = new ArrayList<BuildIOType>();
	for (BuildIOType arg : types) {
	if(arg.isPrimary())
	list.add(arg);
	}
	return list.toArray(new BuildIOType[list.size()]);
	}

	public BuildIOType getIOTypeForType(IBuildObject ioType, boolean input){
	List<BuildIOType> list = input ? fInputTypes : fOutputTypes;

	if(ioType != null){
	for (BuildIOType arg : list) {
	if(arg.getIoType() == ioType)
	return arg;
	}
	} else {
	if(list.size() > 0)
	return list.get(0);
	}
	return null;
	}

	protected void setGroup(BuildGroup group){
	fBuildGroup = group;
	}

	/* (non-Javadoc)
	* @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getInputResources()
	*/
	@Override
	public IBuildResource[] getInputResources() {
	return getResources(true);
	}

	/* (non-Javadoc)
	* @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getOutputResources()
	*/
	@Override
	public IBuildResource[] getOutputResources() {
	return getResources(false);
	}

	public IBuildResource[] getResources(boolean input){
	List<BuildIOType> list = input ? fInputTypes : fOutputTypes;
	Set<IBuildResource> set = new HashSet<IBuildResource>();

	for (BuildIOType arg : list) {
	IBuildResource rcs[] = arg.getResources();
	for(int j = 0; j < rcs.length; j++){
	set.add(rcs[j]);
	}
	}
	return set.toArray(new BuildResource[set.size()]);
	}


	/* (non-Javadoc)
	* @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getCommands(org.eclipse.core.runtime.IPath, java.util.Map, java.util.Map, boolean)
	*/
	@Override
	public IBuildCommand[] getCommands(IPath cwd, Map inputArgValues, Map outputArgValues, boolean resolveAll) {
	if(cwd == null)
	cwd = calcCWD();


	if(fTool == null){
	String step = null;
	String appendToLastStep = null;
	if(this == fBuildDescription.getInputStep()){
	step = fBuildDescription.getConfiguration().getPrebuildStep();
	} else if(this == fBuildDescription.getOutputStep()){
	step = fBuildDescription.getConfiguration().getPostbuildStep();
	} else if(this == fBuildDescription.getCleanStep()){
	step = fBuildDescription.getConfiguration().getCleanCommand();

	IBuildResource[] generated = fBuildDescription.getResources(true);

	if(generated.length != 0){
	StringBuilder buf = new StringBuilder();
	for(int i = 0; i < generated.length; i++){
	buf.append(' ');

	IPath rel = BuildDescriptionManager.getRelPath(cwd, generated[i].getLocation());
	buf.append(rel.toString());
	}
	appendToLastStep = buf.toString();
	}
	}

	if(step != null && (step = step.trim()).length() > 0){
	step = resolveMacros(step, resolveAll);
	if(step != null && (step = step.trim()).length() > 0){
	String commands[] = step.split(";"); //$NON-NLS-1$

	if(appendToLastStep != null && commands.length != 0){
	commands[commands.length - 1] = commands[commands.length - 1] + appendToLastStep;
	}

	List<IBuildCommand> list = new ArrayList<IBuildCommand>();
	for(int i = 0; i < commands.length; i++){
	IBuildCommand cmds[] = createCommandsFromString(commands[i], cwd, getEnvironment());
	for(int j = 0; j < cmds.length; j++){
	list.add(cmds[j]);
	}
	}
	return list.toArray(new BuildCommand[list.size()]);
	}
	}
	return new IBuildCommand[0];
	}


	performAsignToOption(cwd);

	BuildResource inRc = getRcForMacros(true);
	BuildResource outRc = getRcForMacros(false);
	IPath inRcPath = inRc != null ? BuildDescriptionManager.getRelPath(cwd, inRc.getLocation()) : null;
	IPath outRcPath = outRc != null ? BuildDescriptionManager.getRelPath(cwd, outRc.getLocation()) : null;

	IManagedCommandLineGenerator gen = fTool.getCommandLineGenerator();
	FileContextData data = new FileContextData(inRcPath, outRcPath, null, fTool);
	String outPrefix = fTool.getOutputPrefix();
	outPrefix = resolveMacros(outPrefix, data, true);
	outRcPath = rmNamePrefix(outRcPath, outPrefix);

	IManagedCommandLineInfo info = gen.generateCommandLineInfo(fTool,
	fTool.getToolCommand(),
	getCommandFlags(inRcPath, outRcPath, resolveAll),
	fTool.getOutputFlag(),
	outPrefix,
	listToString(resourcesToStrings(cwd, getPrimaryResources(false), outPrefix), " "), //$NON-NLS-1$
	getInputResources(cwd, getPrimaryResources(true)),
	fTool.getCommandLinePattern());

	return createCommandsFromString(resolveMacros(info.getCommandLine(), data, true), cwd, getEnvironment());
	}

	private IPath rmNamePrefix(IPath path, String prefix){
	if(prefix != null && prefix.length() != 0){
	String name = path.lastSegment();
	if(name.startsWith(prefix)){
	name = name.substring(prefix.length());
	path = path.removeLastSegments(1).append(name);
	}
	}
	return path;
	}

	private String[] getInputResources(IPath cwd, BuildResource[] rcs) {
	String[] resources = resourcesToStrings(cwd, rcs, null);

	// also need to get libraries
	String[] libs = null;
	IOption[] opts = fTool.getOptions();
	for (int i = 0; i < opts.length; ++i) {
	try {
	IOption opt = opts[i];
	if (opt.getValueType() == IOption.LIBRARIES) {
	String[] l = opts[i].getLibraries();
	if (l != null) {
	libs = new String[l.length];
	for (int j = 0; j < l.length; ++j) {
	libs[j] = opt.getCommand() + l[j];
	}
	}
	}
	} catch (BuildException e) {
	}
	}

	if (libs != null) {
	String[] irs = new String[resources.length + libs.length];
	System.arraycopy(resources, 0, irs, 0, resources.length);
	System.arraycopy(libs, 0, irs, resources.length, libs.length);
	return irs;
	} else {
	return resources;
	}
	}

	private IPath calcCWD(){
	IPath cwd = fBuildDescription.getDefaultBuildDirLocation();

	if(!cwd.isAbsolute())
	cwd = fBuildDescription.getConfiguration().getOwner().getProject().getLocation().append(cwd);

	return cwd;
	}

	protected Map<String, String> getEnvironment(){
	return fBuildDescription.getEnvironment();
	}

	protected IBuildCommand[] createCommandsFromString(String cmd, IPath cwd, Map<String, String> env){
	char arr[] = cmd.toCharArray();
	char expect = 0;
	char prev = 0;
	// int start = 0;
	List<String> list = new ArrayList<String>();
	StringBuilder buf = new StringBuilder();
	for(int i = 0; i < arr.length; i++){
	char ch = arr[i];
	switch(ch){
	case '\'':
	case '"':
	if(expect == ch){
	// String s = cmd.substring(start, i);
	// list.add(s);
	expect = 0;
	// start = i + 1;
	} else if (expect == 0){
	// String s = cmd.substring(start, i);
	// list.add(s);
	expect = ch;
	// start = i + 1;
	} else {
	buf.append(ch);
	}
	break;
	case ' ':
	if(expect == 0){
	if(prev != ' '){
	list.add(buf.toString());
	buf.delete(0, buf.length());
	}
	// start = i + 1;
	} else {
	buf.append(ch);
	}
	break;
	default:
	buf.append(ch);
	break;

	}
	prev = ch;
	}

	if(buf.length() > 0)
	list.add(buf.toString());

	IPath c = new Path(list.remove(0));
	String[] args = list.toArray(new String[list.size()]);

	return new IBuildCommand[]{new BuildCommand(c, args, env, cwd, this)};
	}

	private BuildResource[] getPrimaryResources(boolean input){
	BuildIOType[] types = getPrimaryTypes(input);
	if(types.length == 0)
	types = input ? (BuildIOType[])getInputIOTypes() : (BuildIOType[])getOutputIOTypes();
	List<BuildResource> list = new ArrayList<BuildResource>();

	for(int i = 0; i < types.length; i++){
	BuildResource [] rcs = (BuildResource[])types[i].getResources();

	for(int j = 0; j < rcs.length; j++){
	list.add(rcs[j]);
	}
	}

	return list.toArray(new BuildResource[list.size()]);
	}

	private String[] resourcesToStrings(IPath cwd, BuildResource rcs[], String prefixToRm){
	List<String> list = new ArrayList<String>(rcs.length);

	for(int i = 0; i < rcs.length; i++){
	IPath path = BuildDescriptionManager.getRelPath(cwd, rcs[i].getLocation());
	path = rmNamePrefix(path, prefixToRm);
	list.add(path.toOSString());
	}
	return list.toArray(new String[list.size()]);
	}

	private String resolveMacros(String str, IFileContextData fileData, boolean resolveAll){
	String result = str;
	try {
	if(resolveAll){
	IConfiguration cfg = getBuildDescription().getConfiguration();
	IBuilder builder = cfg.getBuilder();
	SupplierBasedCdtVariableSubstitutor sub = createSubstitutor(cfg, builder, fileData);
	result = CdtVariableResolver.resolveToString(str, sub);
	} else {
	result = ManagedBuildManager.getBuildMacroProvider().resolveValueToMakefileFormat(str, "", " ", IBuildMacroProvider.CONTEXT_FILE, fileData); //$NON-NLS-1$ //$NON-NLS-2$
	}
	} catch (CdtVariableException e) {
	}

	return result;
	}

	private String resolveMacros(String str, boolean resolveAll){
	String result = str;
	try {
	IConfiguration cfg = getBuildDescription().getConfiguration();
	if(resolveAll){
	result = ManagedBuildManager.getBuildMacroProvider().resolveValue(str, "", " ", IBuildMacroProvider.CONTEXT_CONFIGURATION, cfg); //$NON-NLS-1$ //$NON-NLS-2$
	} else {
	result = ManagedBuildManager.getBuildMacroProvider().resolveValueToMakefileFormat(str, "", " ", IBuildMacroProvider.CONTEXT_CONFIGURATION, cfg); //$NON-NLS-1$ //$NON-NLS-2$
	}
	} catch (CdtVariableException e) {
	}

	return result;
	}

	private SupplierBasedCdtVariableSubstitutor createSubstitutor(IConfiguration cfg, IBuilder builder, IFileContextData fileData){
	BuildMacroProvider prov = (BuildMacroProvider)ManagedBuildManager.getBuildMacroProvider();
	IMacroContextInfo info = prov.getMacroContextInfo(IBuildMacroProvider.CONTEXT_FILE, fileData);
	FileMacroExplicitSubstitutor sub = new FileMacroExplicitSubstitutor(
	info,
	cfg,
	builder,
	"", " "); //$NON-NLS-1$ //$NON-NLS-2$

	return sub;
	}

	private String[] getCommandFlags(IPath inRcPath, IPath outRcPath, boolean resolveAll){
	try {
	if(resolveAll) {
	IConfiguration cfg = getBuildDescription().getConfiguration();
	IBuilder builder = cfg.getBuilder();
	return ((Tool)fTool).getToolCommandFlags(inRcPath, outRcPath,
	createSubstitutor(cfg, builder,
	new FileContextData(inRcPath, outRcPath, null, fTool)),
	BuildMacroProvider.getDefault());
	}
	return fTool.getToolCommandFlags(inRcPath, outRcPath);
	} catch (BuildException e) {
	}
	return new String[0];
	}

	private String listToString(String[] list, String delimiter){
	if(list == null \|\| list.length == 0)
	return ""; //$NON-NLS-1$

	StringBuilder buf = new StringBuilder(list[0]);

	for(int i = 1; i < list.length; i++){
	buf.append(delimiter).append(list[i]);
	}

	return buf.toString();
	}

	private BuildResource getRcForMacros(boolean input){
	IBuildIOType types[] = getPrimaryTypes(input);
	if(types.length != 0){
	for(int i = 0; i < types.length; i++){
	IBuildResource rcs[] = types[i].getResources();
	if(rcs.length != 0)
	return (BuildResource)rcs[0];
	}
	}

	types = input ? getInputIOTypes() : getOutputIOTypes();
	if(types.length != 0){
	for(int i = 0; i < types.length; i++){
	IBuildResource rcs[] = types[i].getResources();
	if(rcs.length != 0)
	return (BuildResource)rcs[0];
	}
	}

	return null;
	}

	/* (non-Javadoc)
	* @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#isRemoved()
	*/
	@Override
	public boolean isRemoved(){
	return fIsRemoved;
	}

	public void setRemoved() {
	fIsRemoved = true;
	fNeedsRebuild = false;
	}

	/* (non-Javadoc)
	* @see org.eclipse.cdt.managedbuilder.builddescription.IBuildStep#getBuildDescription()
	*/
	@Override
	public IBuildDescription getBuildDescription(){
	return fBuildDescription;
	}

	boolean isMultiAction(){
	BuildIOType args[] = getPrimaryTypes(true);
	BuildIOType arg = args.length > 0 ? args[0] : null;

	if(arg != null){
	if(arg.getIoType() != null)
	return ((IInputType)arg.getIoType()).getMultipleOfType();
	return fTool != null && fTool == ((Configuration)fBuildDescription.getConfiguration()).calculateTargetTool();
	}
	return false;
	}

	public IInputType getInputType(){
	return fInputType;
	}

	public void setLibTool(ITool libTool){
	fLibTool = libTool;
	}

	public ITool getLibTool(){
	return fLibTool;
	}

	protected void performAsignToOption(IPath cwd){
	if(fTool == null && !fAssignToCalculated)
	return;

	fAssignToCalculated = true;

	IConfiguration cfg = fBuildDescription.getConfiguration();

	for (BuildIOType bType : fInputTypes) {
	IInputType type = (IInputType)bType.getIoType();

	if(type == null)
	continue;

	IOption option = fTool.getOptionBySuperClassId(type.getOptionId());
	IOption assignToOption = fTool.getOptionBySuperClassId(type.getAssignToOptionId());
	if (assignToOption != null && option == null) {
	try {
	BuildResource bRcs[] = (BuildResource[])bType.getResources();
	int optType = assignToOption.getValueType();
	if (optType == IOption.STRING) {
	String optVal = ""; //$NON-NLS-1$
	for (int j=0; j<bRcs.length; j++) {
	if (j != 0) {
	optVal += " "; //$NON-NLS-1$
	}
	optVal += BuildDescriptionManager.getRelPath(cwd, bRcs[j].getLocation()).toOSString();
	}
	ManagedBuildManager.setOption(cfg, fTool, assignToOption, optVal);
	} else if (
	optType == IOption.STRING_LIST \|\|
	optType == IOption.LIBRARIES \|\|
	optType == IOption.OBJECTS \|\|
	optType == IOption.INCLUDE_PATH \|\|
	optType == IOption.PREPROCESSOR_SYMBOLS \|\|
	optType == IOption.INCLUDE_FILES \|\|
	optType == IOption.LIBRARY_PATHS \|\|
	optType == IOption.LIBRARY_FILES \|\|
	optType == IOption.MACRO_FILES \|\|
	optType == IOption.UNDEF_INCLUDE_PATH \|\|
	optType == IOption.UNDEF_PREPROCESSOR_SYMBOLS \|\|
	optType == IOption.UNDEF_INCLUDE_FILES \|\|
	optType == IOption.UNDEF_LIBRARY_PATHS \|\|
	optType == IOption.UNDEF_LIBRARY_FILES \|\|
	optType == IOption.UNDEF_MACRO_FILES){
	// Mote that when using the enumerated inputs, the path(s) must be translated from project relative
	// to top build directory relative
	String[] paths = new String[bRcs.length];
	for (int j=0; j<bRcs.length; j++) {
	paths[j] = BuildDescriptionManager.getRelPath(cwd, bRcs[j].getLocation()).toOSString();
	}
	ManagedBuildManager.setOption(cfg, fTool, assignToOption, paths);
	} else if (optType == IOption.BOOLEAN) {
	if (bRcs.length > 0) {
	ManagedBuildManager.setOption(cfg, fTool, assignToOption, true);
	} else {
	ManagedBuildManager.setOption(cfg, fTool, assignToOption, false);
	}
	} else if (optType == IOption.ENUMERATED \|\| optType == IOption.TREE) {
	if (bRcs.length > 0) {
	ManagedBuildManager.setOption(cfg, fTool, assignToOption, BuildDescriptionManager.getRelPath(cwd, bRcs[0].getLocation()).toOSString());
	}
	}
	} catch( BuildException ex ) {
	}
	}
	}
	}
	}