diff options
Diffstat (limited to 'generic/tclCompCmds.c')
| -rw-r--r-- | generic/tclCompCmds.c | 37 |
1 files changed, 8 insertions, 29 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c index cd43cfc..0a0aa8e 100644 --- a/generic/tclCompCmds.c +++ b/generic/tclCompCmds.c @@ -610,11 +610,10 @@ TclCompileCatchCmd( ExceptionRangeStarts(envPtr, range); TclEmitOpcode( INST_DUP, envPtr); TclEmitInvoke(envPtr, INST_EVAL_STK); + /* drop the script */ + TclEmitInstInt4( INST_REVERSE, 2, envPtr); + TclEmitOpcode( INST_POP, envPtr); } - /* Stack at this point: - * nonsimple: script <mark> result - * simple: <mark> result - */ if (resultIndex == -1) { /* @@ -632,14 +631,7 @@ TclCompileCatchCmd( TclEmitOpcode( INST_PUSH_RETURN_CODE, envPtr); ExceptionRangeEnds(envPtr, range); TclEmitOpcode( INST_END_CATCH, envPtr); - - /* - * Stack at this point: - * nonsimple: script <mark> returnCode - * simple: <mark> returnCode - */ - - goto dropScriptAtEnd; + return TCL_OK; } /* @@ -649,7 +641,6 @@ TclCompileCatchCmd( PushStringLiteral(envPtr, "0"); TclEmitForwardJump(envPtr, TCL_UNCONDITIONAL_JUMP, &jumpFixup); - /* Stack at this point: ?script? <mark> result TCL_OK */ /* * Emit the "error case" epilogue. Push the interpreter result and the @@ -658,7 +649,7 @@ TclCompileCatchCmd( TclAdjustStackDepth(-2, envPtr); ExceptionRangeTarget(envPtr, range, catchOffset); - /* Stack at this point: ?script? */ + /* Stack at this point is empty */ TclEmitOpcode( INST_PUSH_RESULT, envPtr); TclEmitOpcode( INST_PUSH_RETURN_CODE, envPtr); @@ -666,7 +657,7 @@ TclCompileCatchCmd( * Update the target of the jump after the "no errors" code. */ - /* Stack at this point: ?script? result returnCode */ + /* Stack at this point: result returnCode */ if (TclFixupForwardJumpToHere(envPtr, &jumpFixup, 127)) { Tcl_Panic("TclCompileCatchCmd: bad jump distance %d", (int)(CurrentOffset(envPtr) - jumpFixup.codeOffset)); @@ -689,7 +680,7 @@ TclCompileCatchCmd( /* * At this point, the top of the stack is inconveniently ordered: - * ?script? result returnCode ?returnOptions? + * result returnCode ?returnOptions? * Reverse the stack to bring the result to the top. */ @@ -707,7 +698,7 @@ TclCompileCatchCmd( TclEmitOpcode( INST_POP, envPtr); /* - * Stack is now ?script? ?returnOptions? returnCode. + * Stack is now ?returnOptions? returnCode. * If the options dict has been requested, it is buried on the stack under * the return code. Reverse the stack to bring it to the top, store it and * remove it from the stack. @@ -719,18 +710,6 @@ TclCompileCatchCmd( TclEmitOpcode( INST_POP, envPtr); } - dropScriptAtEnd: - - /* - * Stack is now ?script? result. Get rid of the subst'ed script if it's - * hanging arond. - */ - - if (cmdTokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { - TclEmitInstInt4( INST_REVERSE, 2, envPtr); - TclEmitOpcode( INST_POP, envPtr); - } - return TCL_OK; } |