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/*******************************************************************************
* Copyright (c) 2005, 2006 IBM 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:
* IBM - Initial API and implementation of IManagedDependencyGenerator
* Intel - Initial API and implementation of IManagedDependencyGenerator2
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.makegen;
import org.eclipse.cdt.managedbuilder.core.IBuildObject;
import org.eclipse.cdt.managedbuilder.core.IConfiguration;
import org.eclipse.core.runtime.IPath;
import org.eclipse.cdt.managedbuilder.core.ITool;
/**
* @since 3.1
*
* A Tool dependency calculator must implement this interface. This interface
* replaces IManagedDependencyGenerator which is deprecated.
*
* Discussion of Dependency Calculation:
*
* There are two major, and multiple minor, modes of dependency calculation
* supported by the MBS. The major modes are:
*
* 1. The build file generator invokes tool integrator provided methods
* that calculate all dependencies using whatever method the tool
* integrator wants. The build file generator then adds the dependencies
* to the build file using the appropriate build file syntax.
* This is a TYPE_CUSTOM dependency calculator as defined below.
* See the IManagedDependencyCalculator interface for more information.
*
* 2. The build file generator and the tool-chain cooperate in creating and
* using separate "dependency" files. In this case, dependency calculation
* is done at "build time", rather than at "build file generation time" as
* in mode #1. This currently supports the GNU concept of using .d files
* in GNU make.
* This is either a TYPE_BUILD_COMMANDS dependency calculator or a
* TYPE_PREBUILD_COMMANDS dependency calculator as defined below.
* See the IManagedDependencyCommands and IManagedDependencyPreBuild
* interfaces for more information.
*
*/
public interface IManagedDependencyGenerator2 extends IManagedDependencyGeneratorType {
/**
* Returns an instance of IManagedDependencyInfo for this source file.
* IManagedDependencyCalculator, IManagedDependencyCommands
* and IManagedDependencyPreBuild are all derived from
* IManagedDependencyInfo, and any one of the three can be returned.
* This is called when getCalculatorType returns TYPE_BUILD_COMMANDS,
* TYPE_CUSTOM or TYPE_PREBUILD_COMMANDS.
*
* @param source The source file for which dependencies should be calculated
* The IPath can be either relative to the project directory, or absolute in the file system.
* @param buildContext The IConfiguration or IResourceConfiguration that
* contains the context in which the source file will be built
* @param tool The tool associated with the source file
* @param topBuildDirectory The top build directory of the configuration. This is
* the working directory for the tool. This IPath is relative to the project directory.
* @return IManagedDependencyInfo
*/
public IManagedDependencyInfo getDependencySourceInfo(
IPath source,
IBuildObject buildContext,
ITool tool,
IPath topBuildDirectory);
/**
* Returns the file extension used by dependency files created
* by this dependency generator.
* This is called when getCalculatorType returns TYPE_BUILD_COMMANDS or
* TYPE_PREBUILD_COMMANDS.
*
* @param buildContext The IConfiguration that contains the context of the build
* @param tool The tool associated with the dependency generator.
*
* @return String
*/
public String getDependencyFileExtension(
IConfiguration buildContext,
ITool tool);
/**
* Called to allow the dependency calculator to post-process dependency files.
* This method is called after the build has completed for at least every
* dependency file that has changed, and possibly for those that have not
* changed as well. It may also be called with dependency files created by
* another tool. This method should be able to recognize dependency files
* that don't belong to it, or that it has already post-processed.
* This is called when getCalculatorType returns TYPE_BUILD_COMMANDS or
* TYPE_PREBUILD_COMMANDS.
*
* @param dependencyFile The dependency file
* The IPath can be either relative to the top build directory, or absolute in the file system.
* @param buildContext The IConfiguration that contains the context of the build
* @param tool The tool associated with the dependency generator. Note that this is
* not necessarily the tool that created the dependency file
* @param topBuildDirectory The top build directory of the project. This is
* the working directory for the tool.
*
* @return boolean True if the method modified the dependency (e.g., .d) file
*/
public boolean postProcessDependencyFile(
IPath dependencyFile,
IConfiguration buildContext,
ITool tool,
IPath topBuildDirectory);
}
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