diff options
Diffstat (limited to 'generic/tclCompCmds.c')
| -rw-r--r-- | generic/tclCompCmds.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c index 5c5831b..99cb133 100644 --- a/generic/tclCompCmds.c +++ b/generic/tclCompCmds.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclCompCmds.c,v 1.120 2007/09/25 20:27:17 dkf Exp $ + * RCS: @(#) $Id: tclCompCmds.c,v 1.121 2007/10/18 21:16:18 dgp Exp $ */ #include "tclInt.h" @@ -3088,7 +3088,7 @@ TclCompileReturnCmd( * General syntax: [return ?-option value ...? ?result?] * An even number of words means an explicit result argument is present. */ - int level, code, objc, status = TCL_OK; + int level, code, objc, size, status = TCL_OK; int numWords = parsePtr->numWords; int explicitResult = (0 == (numWords % 2)); int numOptionWords = numWords - 1 - explicitResult; @@ -3208,6 +3208,12 @@ TclCompileReturnCmd( } } + /* Optimize [return -level 0 $x]. */ + Tcl_DictObjSize(NULL, returnOpts, &size); + if (size == 0 && level == 0 && code == TCL_OK) { + return TCL_OK; + } + /* * Could not use the optimization, so we push the return options dict, and * emit the INST_RETURN_IMM instruction with code and level as operands. |