[ecj] 07/37: Imported Debian patch 3.3.0-2

[Emmanuel Bourg]

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ebourg-guest pushed a commit to branch master
in repository ecj.

commit 6c986cff9eda6785ebdec4b88f2ecb3dd24377bc
Author: Matthias Klose <doko at debian.org>
Date:   Fri Jul 20 12:05:37 2007 +0200

    Imported Debian patch 3.3.0-2
---
 debian/changelog                    |  6 +++++
 debian/patches/upstream-195317.diff | 47 +++++++++++++++++++++++++++++++++++++
 2 files changed, 53 insertions(+)

diff --git a/debian/changelog b/debian/changelog
index b15900e..b05de4f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+ecj (3.3.0-2) unstable; urgency=low
+
+  * Apply fix for upstream report #195317.
+
+ -- Matthias Klose <doko at debian.org>  Fri, 20 Jul 2007 12:05:37 +0200
+
 ecj (3.3.0-1) unstable; urgency=low
 
   * New upstream release.
diff --git a/debian/patches/upstream-195317.diff b/debian/patches/upstream-195317.diff
new file mode 100644
index 0000000..d716519
--- /dev/null
+++ b/debian/patches/upstream-195317.diff
@@ -0,0 +1,47 @@
+--- ./src/org.eclipse.jdt.core/org/eclipse/jdt/internal/compiler/codegen/CodeStream.java.orig	2007-04-25 22:51:06.000000000 +0200
++++ ./src/org.eclipse.jdt.core/org/eclipse/jdt/internal/compiler/codegen/CodeStream.java	2007-07-20 12:03:44.000000000 +0200
+@@ -5872,6 +5872,16 @@
+ 		}
+ 	}
+ }
++/**
++ * Remove all entries in pcToSourceMap table that are beyond this.position
++ */
++public void removeUnusedPcToSourceMapEntries() {
++	if (this.pcToSourceMapSize != 0) {
++		while (pcToSourceMap[pcToSourceMapSize - 2] > this.position) {
++			this.pcToSourceMapSize -= 2;
++		}
++	}
++}
+ public void removeVariable(LocalVariableBinding localBinding) {
+ 	if (localBinding == null) return;
+ 	if (localBinding.initializationCount > 0) {
+--- ./src/org.eclipse.jdt.core/org/eclipse/jdt/internal/compiler/codegen/BranchLabel.java.orig	2006-11-21 10:42:02.000000000 +0100
++++ ./src/org.eclipse.jdt.core/org/eclipse/jdt/internal/compiler/codegen/BranchLabel.java	2007-07-20 12:03:44.000000000 +0200
+@@ -205,14 +205,6 @@
+ 				this.codeStream.position = (this.position -= 3);
+ 				this.codeStream.classFileOffset -= 3;
+ 				this.forwardReferenceCount--;
+-				// also update the PCs in the related debug attributes
+-				/* OLD CODE
+-					int index = codeStream.pcToSourceMapSize - 1;
+-						while ((index >= 0) && (codeStream.pcToSourceMap[index][1] == oldPosition)) {
+-							codeStream.pcToSourceMap[index--][1] = position;
+-						}
+-				*/
+-				// Beginning of new code
+ 				if (this.codeStream.lastEntryPC == oldPosition) {
+ 					this.codeStream.lastEntryPC = this.position;
+ 				}
+@@ -233,6 +225,10 @@
+ 						}
+ 					}
+ 				}
++				if ((this.codeStream.generateAttributes & ClassFileConstants.ATTR_LINES) != 0) {
++					// we need to remove all entries that is beyond this.position inside the pcToSourcerMap table
++					this.codeStream.removeUnusedPcToSourceMapEntries();
++				}
+ 			}
+ 		}
+ 		for (int i = 0; i < this.forwardReferenceCount; i++) {

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