diff options
Diffstat (limited to 'generic/tclPkg.c')
-rw-r--r-- | generic/tclPkg.c | 215 |
1 files changed, 123 insertions, 92 deletions
diff --git a/generic/tclPkg.c b/generic/tclPkg.c index 82a683c..5b09ddb 100644 --- a/generic/tclPkg.c +++ b/generic/tclPkg.c @@ -10,8 +10,6 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclPkg.c,v 1.44 2010/08/31 20:48:17 nijtmans Exp $ - * * TIP #268. * Heavily rewritten to handle the extend version numbers, and extended * package requirements. @@ -156,8 +154,10 @@ Tcl_PkgProvideEx( } return TCL_OK; } - Tcl_AppendResult(interp, "conflicting versions provided for package \"", - name, "\": ", pkgPtr->version, ", then ", version, NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "conflicting versions provided for package \"%s\": %s, then %s", + name, pkgPtr->version, version)); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "VERSIONCONFLICT", NULL); return TCL_ERROR; } @@ -285,9 +285,10 @@ Tcl_PkgRequireEx( */ tclEmptyStringRep = &tclEmptyString; - Tcl_AppendResult(interp, "Cannot load package \"", name, - "\" in standalone executable: This package is not " - "compiled with stub support", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "Cannot load package \"%s\" in standalone executable:" + " This package is not compiled with stub support", name)); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "UNSTUBBED", NULL); return NULL; } @@ -355,6 +356,10 @@ PkgRequireCore( char *script, *pkgVersionI; Tcl_DString command; + if (TCL_OK != CheckAllRequirements(interp, reqc, reqv)) { + return NULL; + } + /* * It can take up to three passes to find the package: one pass to run the * "package unknown" script, one to run the "package ifneeded" script for @@ -374,10 +379,12 @@ PkgRequireCore( */ if (pkgPtr->clientData != NULL) { - Tcl_AppendResult(interp, "circular package dependency: " - "attempt to provide ", name, " ", - (char *) pkgPtr->clientData, " requires ", name, NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "circular package dependency:" + " attempt to provide %s %s requires %s", + name, (char *) pkgPtr->clientData, name)); AddRequirementsToResult(interp, reqc, reqv); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "CIRCULARITY", NULL); return NULL; } @@ -424,7 +431,9 @@ PkgRequireCore( } } - /* We have found a version which is better than our max. */ + /* + * We have found a version which is better than our max. + */ if (reqc > 0) { /* Check satisfaction of requirements. */ @@ -491,10 +500,12 @@ PkgRequireCore( Tcl_ResetResult(interp); if (pkgPtr->version == NULL) { code = TCL_ERROR; - Tcl_AppendResult(interp, "attempt to provide package ", - name, " ", versionToProvide, - " failed: no version of package ", name, - " provided", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "attempt to provide package %s %s failed:" + " no version of package %s provided", + name, versionToProvide, name)); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "UNPROVIDED", + NULL); } else { char *pvi, *vi; @@ -512,21 +523,24 @@ PkgRequireCore( ckfree(vi); if (res != 0) { code = TCL_ERROR; - Tcl_AppendResult(interp, - "attempt to provide package ", name, " ", - versionToProvide, " failed: package ", - name, " ", pkgPtr->version, - " provided instead", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "attempt to provide package %s %s failed:" + " package %s %s provided instead", + name, versionToProvide, + name, pkgPtr->version)); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", + "WRONGPROVIDE", NULL); } } } } else if (code != TCL_ERROR) { Tcl_Obj *codePtr = Tcl_NewIntObj(code); - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "attempt to provide package ", name, - " ", versionToProvide, " failed: bad return code: ", - TclGetString(codePtr), NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "attempt to provide package %s %s failed:" + " bad return code: %s", + name, versionToProvide, TclGetString(codePtr))); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "BADRESULT", NULL); TclDecrRefCount(codePtr); code = TCL_ERROR; } @@ -583,11 +597,9 @@ PkgRequireCore( Tcl_DStringFree(&command); if ((code != TCL_OK) && (code != TCL_ERROR)) { - Tcl_Obj *codePtr = Tcl_NewIntObj(code); - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "bad return code: ", - TclGetString(codePtr), NULL); - Tcl_DecrRefCount(codePtr); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "bad return code: %d", code)); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "BADRESULT", NULL); code = TCL_ERROR; } if (code == TCL_ERROR) { @@ -600,7 +612,9 @@ PkgRequireCore( } if (pkgPtr->version == NULL) { - Tcl_AppendResult(interp, "can't find package ", name, NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "can't find package %s", name)); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "UNFOUND", NULL); AddRequirementsToResult(interp, reqc, reqv); return NULL; } @@ -610,27 +624,29 @@ PkgRequireCore( * provided version meets the current requirements. */ - if (reqc == 0) { - satisfies = 1; - } else { + if (reqc != 0) { CheckVersionAndConvert(interp, pkgPtr->version, &pkgVersionI, NULL); satisfies = SomeRequirementSatisfied(pkgVersionI, reqc, reqv); ckfree(pkgVersionI); - } - if (satisfies) { - if (clientDataPtr) { - const void **ptr = (const void **) clientDataPtr; - *ptr = pkgPtr->clientData; + if (!satisfies) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "version conflict for package \"%s\": have %s, need", + name, pkgPtr->version)); + Tcl_SetErrorCode(interp, "TCL", "PACKAGE", "VERSIONCONFLICT", + NULL); + AddRequirementsToResult(interp, reqc, reqv); + return NULL; } - return pkgPtr->version; } - Tcl_AppendResult(interp, "version conflict for package \"", name, - "\": have ", pkgPtr->version, ", need", NULL); - AddRequirementsToResult(interp, reqc, reqv); - return NULL; + if (clientDataPtr) { + const void **ptr = (const void **) clientDataPtr; + + *ptr = pkgPtr->clientData; + } + return pkgPtr->version; } /* @@ -709,10 +725,11 @@ Tcl_PkgPresentEx( } if (version != NULL) { - Tcl_AppendResult(interp, "package ", name, " ", version, - " is not present", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "package %s %s is not present", name, version)); } else { - Tcl_AppendResult(interp, "package ", name, " is not present", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "package %s is not present", name)); } Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "PACKAGE", name, NULL); return NULL; @@ -793,9 +810,9 @@ Tcl_PackageObjCmd( pkgPtr->availPtr = availPtr->nextPtr; Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC); Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC); - ckfree((char *) availPtr); + ckfree(availPtr); } - ckfree((char *) pkgPtr); + ckfree(pkgPtr); } break; } @@ -838,7 +855,8 @@ Tcl_PackageObjCmd( if (res == 0){ if (objc == 4) { ckfree(argv3i); - Tcl_SetResult(interp, availPtr->script, TCL_VOLATILE); + Tcl_SetObjResult(interp, + Tcl_NewStringObj(availPtr->script, -1)); return TCL_OK; } Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC); @@ -851,7 +869,7 @@ Tcl_PackageObjCmd( return TCL_OK; } if (availPtr == NULL) { - availPtr = (PkgAvail *) ckalloc(sizeof(PkgAvail)); + availPtr = ckalloc(sizeof(PkgAvail)); DupBlock(availPtr->version, argv3, (unsigned) length + 1); if (prevPtr == NULL) { @@ -870,18 +888,25 @@ Tcl_PackageObjCmd( if (objc != 2) { Tcl_WrongNumArgs(interp, 2, objv, NULL); return TCL_ERROR; - } - tablePtr = &iPtr->packageTable; - for (hPtr = Tcl_FirstHashEntry(tablePtr, &search); hPtr != NULL; - hPtr = Tcl_NextHashEntry(&search)) { - pkgPtr = Tcl_GetHashValue(hPtr); - if ((pkgPtr->version != NULL) || (pkgPtr->availPtr != NULL)) { - Tcl_AppendElement(interp, Tcl_GetHashKey(tablePtr, hPtr)); + } else { + Tcl_Obj *resultObj; + + resultObj = Tcl_NewObj(); + tablePtr = &iPtr->packageTable; + for (hPtr = Tcl_FirstHashEntry(tablePtr, &search); hPtr != NULL; + hPtr = Tcl_NextHashEntry(&search)) { + pkgPtr = Tcl_GetHashValue(hPtr); + if ((pkgPtr->version != NULL) || (pkgPtr->availPtr != NULL)) { + Tcl_ListObjAppendElement(NULL,resultObj, Tcl_NewStringObj( + Tcl_GetHashKey(tablePtr, hPtr), -1)); + } } + Tcl_SetObjResult(interp, resultObj); } break; case PKG_PRESENT: { const char *name; + if (objc < 3) { goto require; } @@ -936,7 +961,8 @@ Tcl_PackageObjCmd( if (hPtr != NULL) { pkgPtr = Tcl_GetHashValue(hPtr); if (pkgPtr->version != NULL) { - Tcl_SetResult(interp, pkgPtr->version, TCL_VOLATILE); + Tcl_SetObjResult(interp, + Tcl_NewStringObj(pkgPtr->version, -1)); } } return TCL_OK; @@ -998,7 +1024,8 @@ Tcl_PackageObjCmd( if (objc == 2) { if (iPtr->packageUnknown != NULL) { - Tcl_SetResult(interp, iPtr->packageUnknown, TCL_VOLATILE); + Tcl_SetObjResult(interp, + Tcl_NewStringObj(iPtr->packageUnknown, -1)); } } else if (objc == 3) { if (iPtr->packageUnknown != NULL) { @@ -1086,23 +1113,27 @@ Tcl_PackageObjCmd( if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "package"); return TCL_ERROR; - } - argv2 = TclGetString(objv[2]); - hPtr = Tcl_FindHashEntry(&iPtr->packageTable, argv2); - if (hPtr != NULL) { - pkgPtr = Tcl_GetHashValue(hPtr); - for (availPtr = pkgPtr->availPtr; availPtr != NULL; - availPtr = availPtr->nextPtr) { - Tcl_AppendElement(interp, availPtr->version); + } else { + Tcl_Obj *resultObj = Tcl_NewObj(); + + argv2 = TclGetString(objv[2]); + hPtr = Tcl_FindHashEntry(&iPtr->packageTable, argv2); + if (hPtr != NULL) { + pkgPtr = Tcl_GetHashValue(hPtr); + for (availPtr = pkgPtr->availPtr; availPtr != NULL; + availPtr = availPtr->nextPtr) { + Tcl_ListObjAppendElement(NULL, resultObj, + Tcl_NewStringObj(availPtr->version, -1)); + } } + Tcl_SetObjResult(interp, resultObj); } break; case PKG_VSATISFIES: { char *argv2i = NULL; if (objc < 4) { - Tcl_WrongNumArgs(interp, 2, objv, - "version ?requirement ...?"); + Tcl_WrongNumArgs(interp, 2, objv, "version ?requirement ...?"); return TCL_ERROR; } @@ -1156,7 +1187,7 @@ FindPackage( hPtr = Tcl_CreateHashEntry(&iPtr->packageTable, name, &isNew); if (isNew) { - pkgPtr = (Package *) ckalloc(sizeof(Package)); + pkgPtr = ckalloc(sizeof(Package)); pkgPtr->version = NULL; pkgPtr->availPtr = NULL; pkgPtr->clientData = NULL; @@ -1204,9 +1235,9 @@ TclFreePackageInfo( pkgPtr->availPtr = availPtr->nextPtr; Tcl_EventuallyFree(availPtr->version, TCL_DYNAMIC); Tcl_EventuallyFree(availPtr->script, TCL_DYNAMIC); - ckfree((char *) availPtr); + ckfree(availPtr); } - ckfree((char *) pkgPtr); + ckfree(pkgPtr); } Tcl_DeleteHashTable(&iPtr->packageTable); if (iPtr->packageUnknown != NULL) { @@ -1328,8 +1359,9 @@ CheckVersionAndConvert( error: ckfree(ibuf); - Tcl_AppendResult(interp, "expected version number but got \"", string, - "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "expected version number but got \"%s\"", string)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "VERSION", NULL); return TCL_ERROR; } @@ -1590,8 +1622,9 @@ CheckRequirement( * More dashes found after the first. This is wrong. */ - Tcl_AppendResult(interp, "expected versionMin-versionMax but got \"", - string, "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "expected versionMin-versionMax but got \"%s\"", string)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "VERSIONRANGE", NULL); return TCL_ERROR; } @@ -1642,19 +1675,17 @@ AddRequirementsToResult( Tcl_Obj *const reqv[]) /* 0 means to use the latest version * available. */ { - if (reqc > 0) { - int i; + Tcl_Obj *result = Tcl_GetObjResult(interp); + int i, length; - for (i = 0; i < reqc; i++) { - int length; - const char *v = Tcl_GetStringFromObj(reqv[i], &length); + for (i = 0; i < reqc; i++) { + const char *v = Tcl_GetStringFromObj(reqv[i], &length); - if ((length & 0x1) && (v[length/2] == '-') - && (strncmp(v, v+((length+1)/2), length/2) == 0)) { - Tcl_AppendResult(interp, " exactly ", v+((length+1)/2), NULL); - } else { - Tcl_AppendResult(interp, " ", v, NULL); - } + if ((length & 0x1) && (v[length/2] == '-') + && (strncmp(v, v+((length+1)/2), length/2) == 0)) { + Tcl_AppendPrintfToObj(result, " exactly %s", v+((length+1)/2)); + } else { + Tcl_AppendPrintfToObj(result, " %s", v); } } } @@ -1683,15 +1714,15 @@ AddRequirementsToDString( Tcl_Obj *const reqv[]) /* 0 means to use the latest version * available. */ { - if (reqc > 0) { - int i; + int i; + if (reqc > 0) { for (i = 0; i < reqc; i++) { - Tcl_DStringAppend(dsPtr, " ", 1); - Tcl_DStringAppend(dsPtr, TclGetString(reqv[i]), -1); + TclDStringAppendLiteral(dsPtr, " "); + TclDStringAppendObj(dsPtr, reqv[i]); } } else { - Tcl_DStringAppend(dsPtr, " 0-", -1); + TclDStringAppendLiteral(dsPtr, " 0-"); } } |