Bug 573722: Allow sub-class to output custom lines in header

Contributed by STMicroelectronics

Change-Id: If7163f33c804dc40bc950da067d81396a26d8f74
Signed-off-by: Torbjörn SVENSSON <torbjorn.svensson@st.com>

2 files changed, 55 insertions, 5 deletions

diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/DefaultGCCDependencyCalculator3.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/DefaultGCCDependencyCalculator3.java
index dc3d5bb4419..d800377b861 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/DefaultGCCDependencyCalculator3.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/DefaultGCCDependencyCalculator3.java
@@ -97,12 +97,21 @@ public class DefaultGCCDependencyCalculator3 implements IManagedDependencyGenera
 			makefile = root.getFile(makefilePath);
 			IResourceInfo rcInfo = tool.getParentResourceInfo();
 			if (rcInfo != null)
-				return GnuMakefileGenerator.populateDummyTargets(rcInfo, makefile, false);
-			return GnuMakefileGenerator.populateDummyTargets(buildContext, makefile, false);
+				return createMakefileGenerator().generateDummyTargets(rcInfo, makefile, false);
+			return createMakefileGenerator().generateDummyTargets(buildContext, makefile, false);
 		} catch (CoreException e) {
 		} catch (IOException e) {
 		}
 		return false;
 	}
 
+	/**
+	 * Return a GnuMakefileGenerator instance to use during post processing of dependency files
+	 * @return an GnuMakefileGenerator instance
+	 * @since 9.3
+	 */
+	protected GnuMakefileGenerator createMakefileGenerator() {
+		return new GnuMakefileGenerator();
+	}
+
 }
diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/GnuMakefileGenerator.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/GnuMakefileGenerator.java
index 0975ea60dce..9627354693d 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/GnuMakefileGenerator.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/GnuMakefileGenerator.java
@@ -106,6 +106,9 @@ import org.eclipse.core.runtime.SubProgressMonitor;
 /**
  * This is a specialized makefile generator that takes advantage of the
  * extensions present in Gnu Make.
+ * <p>
+ * If sub-classing and using {@link DefaultGCCDependencyCalculator3}, make sure to also override
+ * {@link DefaultGCCDependencyCalculator3#createMakefileGenerator()} to return the appropriate result.
  *
  * @since 1.2
  * @noinstantiate This class is not intended to be instantiated by clients.
@@ -3483,6 +3486,15 @@ public class GnuMakefileGenerator implements IManagedBuilderMakefileGenerator2 {
 	}
 
 	/**
+	 * @deprecated Use {@link GnuMakefileGenerator#generateDummyTargets(IConfiguration, IFile, boolean)}
+	 */
+	@Deprecated
+	static public boolean populateDummyTargets(IConfiguration cfg, IFile makefile, boolean force)
+			throws CoreException, IOException {
+		return new GnuMakefileGenerator().generateDummyTargets(cfg, makefile, force);
+	}
+
+	/**
 	 *  This method postprocesses a .d file created by a build.
 	 *  It's main job is to add dummy targets for the header files dependencies.
 	 *  This prevents make from aborting the build if the header file does not exist.
@@ -3495,14 +3507,27 @@ public class GnuMakefileGenerator implements IManagedBuilderMakefileGenerator2 {
 	 *  checks for to determine if this dependency file has already been updated.
 	 *
 	 * @return a <code>true</code> if the dependency file is modified
+	 * @since 9.3
 	 */
-	static public boolean populateDummyTargets(IConfiguration cfg, IFile makefile, boolean force)
+	public boolean generateDummyTargets(IConfiguration cfg, IFile makefile, boolean force)
 			throws CoreException, IOException {
-		return populateDummyTargets(cfg.getRootFolderInfo(), makefile, force);
+		return generateDummyTargets(cfg.getRootFolderInfo(), makefile, force);
 	}
 
+	/**
+	 * @deprecated Use {@link GnuMakefileGenerator#generateDummyTargets(IResourceInfo, IFile, boolean)}
+	 */
+	@Deprecated
 	static public boolean populateDummyTargets(IResourceInfo rcInfo, IFile makefile, boolean force)
 			throws CoreException, IOException {
+		return new GnuMakefileGenerator().generateDummyTargets(rcInfo, makefile, force);
+	}
+
+	/**
+	 * @since 9.3
+	 */
+	public boolean generateDummyTargets(IResourceInfo rcInfo, IFile makefile, boolean force)
+			throws CoreException, IOException {
 
 		if (makefile == null || !makefile.exists())
 			return false;
@@ -3696,22 +3721,38 @@ public class GnuMakefileGenerator implements IManagedBuilderMakefileGenerator2 {
 	static public String ECHO_BLANK_LINE = ECHO + WHITESPACE + SINGLE_QUOTE + WHITESPACE + SINGLE_QUOTE + NEWLINE;
 
 	/**
+	 * @deprecated Use {@link GnuMakefileGenerator#addGenericHeader()}
+	 */
+	@Deprecated
+	static protected StringBuffer addDefaultHeader() {
+		return new GnuMakefileGenerator().addGenericHeader();
+	}
+
+	/**
 	 * Outputs a comment formatted as follows:
 	 * ##### ....... #####
 	 * # <Comment message>
 	 * ##### ....... #####
+	 * @since 9.3
 	 */
-	static protected StringBuffer addDefaultHeader() {
+	protected StringBuffer addGenericHeader() {
 		StringBuffer buffer = new StringBuffer();
 		outputCommentLine(buffer);
 		buffer.append(COMMENT_SYMBOL).append(WHITESPACE).append(ManagedMakeMessages.getResourceString(HEADER))
 				.append(NEWLINE);
+		addCustomHeader(buffer);
 		outputCommentLine(buffer);
 		buffer.append(NEWLINE);
 		return buffer;
 	}
 
 	/**
+	 * @since 9.3
+	 */
+	protected void addCustomHeader(StringBuffer buffer) {
+	}
+
+	/**
 	 * Put COLS_PER_LINE comment charaters in the argument.
 	 */
 	static protected void outputCommentLine(StringBuffer buffer) {