From 81a67b9cf4d7fa11160de36419042e5f5812cc5c Mon Sep 17 00:00:00 2001 From: dkf Date: Tue, 18 Dec 2012 10:21:34 +0000 Subject: Better version that can handle simple composite array keys as well. As long as they are free of command substitutions, we can still safely omit the exception processor code. --- generic/tclCompCmdsSZ.c | 33 +++++++++++++++++++++++---------- 1 file changed, 23 insertions(+), 10 deletions(-) diff --git a/generic/tclCompCmdsSZ.c b/generic/tclCompCmdsSZ.c index 71a1dfc..7bead0d 100644 --- a/generic/tclCompCmdsSZ.c +++ b/generic/tclCompCmdsSZ.c @@ -838,19 +838,32 @@ TclSubstCompile( continue; case TCL_TOKEN_VARIABLE: /* - * Simple variable access; can only generate TCL_OK or TCL_ERROR - * so no need to generate elaborate exception-management code. + * Check for simple variable access; see if we can only generate + * TCL_OK or TCL_ERROR from the substituted variable read; if so, + * there is no need to generate elaborate exception-management + * code. Note that the first component of TCL_TOKEN_VARIABLE is + * always TCL_TOKEN_TEXT... */ - if (tokenPtr->numComponents == 1 || (tokenPtr->numComponents == 2 - && tokenPtr[2].type == TCL_TOKEN_TEXT)) { - envPtr->line = bline; - TclCompileVarSubst(interp, tokenPtr, envPtr); - bline = envPtr->line; - count++; - continue; + if (tokenPtr->numComponents > 1) { + int i, foundCommand = 0; + + for (i=2 ; i<=tokenPtr->numComponents ; i++) { + if (tokenPtr[i].type == TCL_TOKEN_COMMAND) { + foundCommand = 1; + break; + } + } + if (foundCommand) { + break; + } } - break; + + envPtr->line = bline; + TclCompileVarSubst(interp, tokenPtr, envPtr); + bline = envPtr->line; + count++; + continue; } while (count > 255) { -- cgit v0.12