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| author | dkf <donal.k.fellows@manchester.ac.uk> | 2012-11-01 18:06:09 (GMT) |
|---|---|---|
| committer | dkf <donal.k.fellows@manchester.ac.uk> | 2012-11-01 18:06:09 (GMT) |
| commit | a7dc229d16889c9f6f66d197d4e0bf1afbec5578 (patch) | |
| tree | 73c6e63a58a37fcfd2efd533ae233d19a6aa0f0b /generic/tclBasic.c | |
| parent | 08ba0e902fe194be25319468633409bc90daaf87 (diff) | |
| download | tcl-a7dc229d16889c9f6f66d197d4e0bf1afbec5578.zip tcl-a7dc229d16889c9f6f66d197d4e0bf1afbec5578.tar.gz tcl-a7dc229d16889c9f6f66d197d4e0bf1afbec5578.tar.bz2 | |
Added compilation of [tailcall]. Not a particularly efficient compilation though; it does not detect tailcall-of-self as a special case.
Diffstat (limited to 'generic/tclBasic.c')
| -rw-r--r-- | generic/tclBasic.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c index 6e60aee..bce6479 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -136,7 +136,6 @@ static Tcl_NRPostProc NRCoroutineExitCallback; static int NRCommand(ClientData data[], Tcl_Interp *interp, int result); static Tcl_NRPostProc NRRunObjProc; -static Tcl_NRPostProc NRTailcallEval; static Tcl_ObjCmdProc OldMathFuncProc; static void OldMathFuncDeleteProc(ClientData clientData); static void ProcessUnexpectedResult(Tcl_Interp *interp, @@ -248,7 +247,7 @@ static const CmdInfo builtInCmds[] = { {"split", Tcl_SplitObjCmd, NULL, NULL, 1}, {"subst", Tcl_SubstObjCmd, TclCompileSubstCmd, TclNRSubstObjCmd, 1}, {"switch", Tcl_SwitchObjCmd, TclCompileSwitchCmd, TclNRSwitchObjCmd, 1}, - {"tailcall", NULL, NULL, TclNRTailcallObjCmd, 1}, + {"tailcall", NULL, TclCompileTailcallCmd, TclNRTailcallObjCmd, 1}, {"throw", Tcl_ThrowObjCmd, TclCompileThrowCmd, NULL, 1}, {"trace", Tcl_TraceObjCmd, NULL, NULL, 1}, {"try", Tcl_TryObjCmd, TclCompileTryCmd, TclNRTryObjCmd, 1}, @@ -8322,7 +8321,7 @@ TclNRTailcallObjCmd( return TCL_ERROR; } - if (!iPtr->varFramePtr->isProcCallFrame) { /* or is upleveled */ + if (!(iPtr->varFramePtr->isProcCallFrame & 1)) { /* or is upleveled */ Tcl_SetObjResult(interp, Tcl_NewStringObj( "tailcall can only be called from a proc or lambda", -1)); Tcl_SetErrorCode(interp, "TCL", "TAILCALL", "ILLEGAL", NULL); @@ -8362,7 +8361,7 @@ TclNRTailcallObjCmd( } Tcl_IncrRefCount(nsObjPtr); - TclNRAddCallback(interp, NRTailcallEval, listPtr, nsObjPtr, + TclNRAddCallback(interp, TclNRTailcallEval, listPtr, nsObjPtr, NULL, NULL); tailcallPtr = TOP_CB(interp); TOP_CB(interp) = tailcallPtr->nextPtr; @@ -8372,7 +8371,7 @@ TclNRTailcallObjCmd( } int -NRTailcallEval( +TclNRTailcallEval( ClientData data[], Tcl_Interp *interp, int result) @@ -8566,7 +8565,7 @@ YieldToCallback( * yieldTo: invoke the command using tailcall tech. */ - TclNRAddCallback(interp, NRTailcallEval, listPtr, nsPtr, NULL, NULL); + TclNRAddCallback(interp, TclNRTailcallEval, listPtr, nsPtr, NULL, NULL); cbPtr = TOP_CB(interp); TOP_CB(interp) = cbPtr->nextPtr; |