Added macros to make bit chopping clearer

1 files changed, 38 insertions, 34 deletions

diff --git a/ChangeLog b/ChangeLog
index a877ca8..2e95753 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,13 +1,18 @@
+2007-07-30  Donal K. Fellows  <donal.k.fellows@manchester.ac.uk>
+
+	* unix/tclUnixChan.c (SET_BITS, CLEAR_BITS): Added macros to make this
+	file clearer.
+
 2007-07-24  Miguel Sofer  <msofer@users.sf.net>
 
 	* generic/tclBasic.c (TEOvI, GetCommandSource):
 	* generic/tclExecute.c (TEBC, TclGetSrcInfoForCmd):
-	* generic/tclInt.h:    
+	* generic/tclInt.h:
 	* generic/tclTrace.c (TclCheck(Interp|Execution)Traces):
-	Removed the need for TEBC to inspect the command before calling
-	TEOvI, leveraging the TIP 280 infrastructure. Moved the generation
-	of a correct nul-terminated command string away from the trace
-	code, back into TEOvI/GetCommandSource.
+	Removed the need for TEBC to inspect the command before calling TEOvI,
+	leveraging the TIP 280 infrastructure. Moved the generation of a
+	correct nul-terminated command string away from the trace code, back
+	into TEOvI/GetCommandSource.
 
 2007-07-20  Andreas Kupries  <andreask@activestate.com>
 
@@ -17,7 +22,7 @@
 	* win/Makefile.in: get 'tcl' as an acceptable platform added to
 	* doc/platform.n: the result. Bumped package to version 1.0.3 and
 	* doc/platform_shell.n: updated documentation and Makefiles. Also
-	  fixed bad version info in the documentation of platform::shell.
+	fixed bad version info in the documentation of platform::shell.
 
 2007-07-19  Don Porter  <dgp@users.sourceforge.net>
 
@@ -33,9 +38,9 @@
 2007-07-17  Don Porter  <dgp@users.sourceforge.net>
 
 	* generic/tclCompExpr.c (ParseExpr):	While adding comments to
-	explain the operations of ParseExpr(), made significant revisions
-	to the code so it would be easier to explain, and in the process
-	made the code simpler and clearer as well.
+	explain the operations of ParseExpr(), made significant revisions to
+	the code so it would be easier to explain, and in the process made the
+	code simpler and clearer as well.
 
 2007-07-15  Don Porter  <dgp@users.sourceforge.net>
 
@@ -53,9 +58,9 @@
 
 	* generic/tclCompCmds.c (TclCompileWhileCmd):
 	* generic/tclCompile.c (TclCompileScript):
-	Corrected faulty avoidance of INST_START_CMD when the first opcode
-	in a script is within a loop (as produced by 'while 1'), so that
-	the corresponding command is properly counted [Bug 1752146].
+	Corrected faulty avoidance of INST_START_CMD when the first opcode in
+	a script is within a loop (as produced by 'while 1'), so that the
+	corresponding command is properly counted. [Bug 1752146]
 
 2007-07-11  Don Porter  <dgp@users.sourceforge.net>
 
@@ -63,33 +68,33 @@
 	ParseExpr() to indicate whether the caller is Tcl_ParseExpr(), with an
 	end goal of filling a Tcl_Parse with Tcl_Tokens representing the
 	parsed expression, or TclCompileExpr() with the goal of compiling and
-	executing the expression.  In the latter case, more aggressive
-	conversion of QUOTED and BRACED lexeme to literals is done.  In the
+	executing the expression. In the latter case, more aggressive
+	conversion of QUOTED and BRACED lexeme to literals is done. In the
 	former case, all such conversion is avoided, since Tcl_Token production
-	would revert it anyway.  This enables simplifications to the
+	would revert it anyway. This enables simplifications to the
 	GenerateTokensForLiteral() routine as well.
 
 2007-07-10  Don Porter  <dgp@users.sourceforge.net>
 
 	* generic/tclCompExpr.c:	Added a field for operator precedence
-	to be stored directly in the parse tree.  There's no memory cost to
+	to be stored directly in the parse tree. There's no memory cost to
 	this addition, since that memory would have been lost to alignment
-	issues anyway.  Also, converted precedence definitions and lookup
+	issues anyway. Also, converted precedence definitions and lookup
 	tables to use symbolic constants instead of raw number for improved
 	readability, and continued extending/improving/correcting comments.
-	Removed some unused counter variables.  Renamed some variables for
+	Removed some unused counter variables. Renamed some variables for
 	clarity and replaced some cryptic logic with more readable macros.
 
 2007-07-09  Don Porter  <dgp@users.sourceforge.net>
 
 	* generic/tclCompExpr.c:	Revision so that the END lexeme never
-	gets inserted into the parse tree.  Later tree traversal never reaches
-	it since its location in the tree is not variable.  Starting and
-	stopping with the START lexeme (node 0) is sufficient.  Also finished
+	gets inserted into the parse tree. Later tree traversal never reaches
+	it since its location in the tree is not variable. Starting and
+	stopping with the START lexeme (node 0) is sufficient. Also finished
 	lexeme code commentary.
 
-	* generic/tclCompExpr.c:	Added missing creation and return
-	of the Tcl_Parse fields that indicate error conditions.  [Bug 1749987]
+	* generic/tclCompExpr.c:	Added missing creation and return of
+	the Tcl_Parse fields that indicate error conditions. [Bug 1749987]
 
 2007-07-05  Don Porter  <dgp@users.sourceforge.net>
 
@@ -98,15 +103,14 @@
 
 2007-07-05  Miguel Sofer  <msofer@users.sf.net>
 
-	* generic/tclNamesp.c (SetNsNameFromAny):   
-	* generic/tclObj.c (SetCmdNameFromAny):   Avoid unnecessary
+	* generic/tclNamesp.c (SetNsNameFromAny):
+	* generic/tclObj.c (SetCmdNameFromAny): Avoid unnecessary
 	ckfree/ckalloc when the old structs can be reused.
-	
+
 2007-07-04  Miguel Sofer  <msofer@users.sf.net>
 
-	* generic/tclNamesp.c:   Fix case where a FQ cmd or ns was being
-	* generic/tclObj.c:      cached in a different interp, tkcon 
-	                         [Bug 1747512] 
+	* generic/tclNamesp.c: Fix case where a FQ cmd or ns was being cached
+	* generic/tclObj.c:    in a different interp, tkcon. [Bug 1747512]
 
 2007-07-03  Don Porter  <dgp@users.sourceforge.net>
 
@@ -215,12 +219,12 @@
 
 	* generic/tclExecute.c:	Safety checks to avoid crashes in the
 	TclStack* routines when called with an incompletely initialized
-	interp.  [Bug 1743302]
+	interp. [Bug 1743302]
 
 2007-06-25  Miguel Sofer  <msofer@users.sf.net>
 
-	* generic/tclVar.c (UnsetVarStruct): fixing incomplete change,
-	more streamlining.
+	* generic/tclVar.c (UnsetVarStruct): fixing incomplete change, more
+	streamlining.
 
 2007-06-24  Miguel Sofer  <msofer@users.sf.net>
 
@@ -229,8 +233,8 @@
 	UnsetVarStruct (streamlined old code is #ifdef'ed out, in case better
 	benchmarks do show a difference).
 
-	* generic/tclVar.c (UnsetVarStruct): fixed a leak introduced in
-	last commit.
+	* generic/tclVar.c (UnsetVarStruct): fixed a leak introduced in last
+	commit.
 
 2007-06-23  Miguel Sofer  <msofer@users.sf.net>