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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2012-11-15 00:20:57 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2012-11-15 00:20:57 (GMT) |
| commit | 0cf9c26b08c885caa146634eadddc5fb3dbcd5e7 (patch) | |
| tree | b6e3d97e6182fe7f70d8e6a47a385064b885baaf /generic | |
| parent | 284b205a9a4c6d334b4f752ea17018f610a960bb (diff) | |
| parent | 37e6c3852b68f12e24e223e1a1a5d30b1bafb13f (diff) | |
| download | tcl-0cf9c26b08c885caa146634eadddc5fb3dbcd5e7.zip tcl-0cf9c26b08c885caa146634eadddc5fb3dbcd5e7.tar.gz tcl-0cf9c26b08c885caa146634eadddc5fb3dbcd5e7.tar.bz2 | |
IMPLEMENTATION OF TIP#416: New Options for 'load': -global and -lazy
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tcl.h | 8 | ||||
| -rw-r--r-- | generic/tclLoad.c | 31 |
2 files changed, 36 insertions, 3 deletions
diff --git a/generic/tcl.h b/generic/tcl.h index 5f6146e..147672c 100644 --- a/generic/tcl.h +++ b/generic/tcl.h @@ -2362,6 +2362,14 @@ typedef int (Tcl_ArgvGenFuncProc)(ClientData clientData, Tcl_Interp *interp, /* *---------------------------------------------------------------------------- + * Definitions needed for the Tcl_LoadFile function. [TIP #416] + */ + +#define TCL_LOAD_GLOBAL 1 +#define TCL_LOAD_LAZY 2 + +/* + *---------------------------------------------------------------------------- * Single public declaration for NRE. */ diff --git a/generic/tclLoad.c b/generic/tclLoad.c index 3fead6f..5cacab1 100644 --- a/generic/tclLoad.c +++ b/generic/tclLoad.c @@ -132,9 +132,34 @@ Tcl_LoadObjCmd( Tcl_LoadHandle loadHandle; Tcl_UniChar ch; unsigned len; + int index, flags = 0; + Tcl_Obj *const *savedobjv = objv; + static const char *const options[] = { + "-global", "-lazy", "--", NULL + }; + enum options { + LOAD_GLOBAL, LOAD_LAZY, LOAD_LAST + }; + while (objc > 2) { + if (TclGetString(objv[1])[0] != '-') { + break; + } + if (Tcl_GetIndexFromObj(interp, objv[1], options, "option", 0, + &index) != TCL_OK) { + return TCL_ERROR; + } + ++objv; --objc; + if (LOAD_GLOBAL == (enum options) index) { + flags |= TCL_LOAD_GLOBAL; + } else if (LOAD_LAZY == (enum options) index) { + flags |= TCL_LOAD_LAZY; + } else { + break; + } + } if ((objc < 2) || (objc > 4)) { - Tcl_WrongNumArgs(interp, 1, objv, "fileName ?packageName? ?interp?"); + Tcl_WrongNumArgs(interp, 1, savedobjv, "?-global? ?-lazy? ?--? fileName ?packageName? ?interp?"); return TCL_ERROR; } if (Tcl_FSConvertToPathType(interp, objv[1]) != TCL_OK) { @@ -365,7 +390,7 @@ Tcl_LoadObjCmd( symbols[1] = NULL; Tcl_MutexLock(&packageMutex); - code = Tcl_LoadFile(interp, objv[1], symbols, 0, &initProc, + code = Tcl_LoadFile(interp, objv[1], symbols, flags, &initProc, &loadHandle); Tcl_MutexUnlock(&packageMutex); if (code != TCL_OK) { @@ -391,7 +416,7 @@ Tcl_LoadObjCmd( pkgPtr->unloadProc = (Tcl_PackageUnloadProc *) Tcl_FindSymbol(interp, loadHandle, Tcl_DStringValue(&unloadName)); - pkgPtr->safeUnloadProc = (Tcl_PackageUnloadProc *) + pkgPtr->safeUnloadProc = (Tcl_PackageUnloadProc *) Tcl_FindSymbol(interp, loadHandle, Tcl_DStringValue(&safeUnloadName)); pkgPtr->interpRefCount = 0; |