diff options
| -rw-r--r-- | ChangeLog | 12 | ||||
| -rw-r--r-- | generic/tclAssembly.c | 43 | ||||
| -rw-r--r-- | generic/tclCompile.c | 116 | ||||
| -rw-r--r-- | generic/tclEncoding.c | 9 | ||||
| -rw-r--r-- | generic/tclNamesp.c | 64 | ||||
| -rw-r--r-- | generic/tclStubLib.c | 4 | ||||
| -rw-r--r-- | tests/namespace.test | 8 |
7 files changed, 116 insertions, 140 deletions
@@ -1,3 +1,15 @@ +2013-02-22 Don Porter <dgp@users.sourceforge.net> + + * generic/tclAssembly.c: Shift more burden of smart cleanup + * generic/tclCompile.c: onto the TclFreeCompileEnv() routine. + Stop crashes when the hookProc raises an error. + +2013-02-20 Don Porter <dgp@users.sourceforge.net> + + * generic/tclNamesp.c: [Bug 3605447] Make sure the -clear option + * tests/namespace.test: to [namespace export] always clears, whether + or not new export patterns are specified. + 2013-02-20 Jan Nijtmans <nijtmans@users.sf.net> * win/tclWinDde.c: [Bug 3605401]: Compiler error with latest mingw-w64 diff --git a/generic/tclAssembly.c b/generic/tclAssembly.c index 0f05d06..5786975 100644 --- a/generic/tclAssembly.c +++ b/generic/tclAssembly.c @@ -839,16 +839,11 @@ CompileAssembleObj( CompileEnv compEnv; /* Compilation environment structure */ register ByteCode *codePtr = NULL; /* Bytecode resulting from the assembly */ - register const AuxData * auxDataPtr; - /* Pointer to an auxiliary data element - * in a compilation environment being - * destroyed. */ Namespace* namespacePtr; /* Namespace in which variable and command * names in the bytecode resolve */ int status; /* Status return from Tcl_AssembleCode */ const char* source; /* String representation of the source code */ int sourceLen; /* Length of the source code in bytes */ - int i; /* @@ -886,44 +881,6 @@ CompileAssembleObj( /* * Assembly failed. Clean up and report the error. */ - - /* - * Free any literals that were constructed for the assembly. - */ - for (i = 0; i < compEnv.literalArrayNext; i++) { - TclReleaseLiteral(interp, compEnv.literalArrayPtr[i].objPtr); - } - - /* - * Free any auxiliary data that was attached to the bytecode - * under construction. - */ - - for (i = 0; i < compEnv.auxDataArrayNext; i++) { - auxDataPtr = compEnv.auxDataArrayPtr + i; - if (auxDataPtr->type->freeProc != NULL) { - (auxDataPtr->type->freeProc)(auxDataPtr->clientData); - } - } - - /* - * TIP 280. If there is extended command line information, - * we need to clean it up. - */ - - if (compEnv.extCmdMapPtr != NULL) { - if (compEnv.extCmdMapPtr->type == TCL_LOCATION_SOURCE) { - Tcl_DecrRefCount(compEnv.extCmdMapPtr->path); - } - for (i = 0; i < compEnv.extCmdMapPtr->nuloc; ++i) { - ckfree(compEnv.extCmdMapPtr->loc[i].line); - } - if (compEnv.extCmdMapPtr->loc != NULL) { - ckfree(compEnv.extCmdMapPtr->loc); - } - Tcl_DeleteHashTable(&(compEnv.extCmdMapPtr->litInfo)); - } - TclFreeCompileEnv(&compEnv); return NULL; } diff --git a/generic/tclCompile.c b/generic/tclCompile.c index dde116f..91eab6e 100644 --- a/generic/tclCompile.c +++ b/generic/tclCompile.c @@ -573,6 +573,7 @@ static void EnterCmdWordData(ExtCmdLoc *eclPtr, int srcOffset, Tcl_Token *tokenPtr, const char *cmd, int len, int numWords, int line, int *clNext, int **lines, CompileEnv *envPtr); +static void ReleaseCmdWordData(ExtCmdLoc *eclPtr); /* * The structure below defines the bytecode Tcl object type by means of @@ -650,9 +651,6 @@ TclSetByteCodeFromAny( Interp *iPtr = (Interp *) interp; CompileEnv compEnv; /* Compilation environment structure allocated * in frame. */ - register const AuxData *auxDataPtr; - LiteralEntry *entryPtr; - register int i; int length, result = TCL_OK; const char *stringPtr; ContLineLoc *clLocPtr; @@ -722,35 +720,14 @@ TclSetByteCodeFromAny( TclVerifyLocalLiteralTable(&compEnv); #endif /*TCL_COMPILE_DEBUG*/ - TclInitByteCodeObj(objPtr, &compEnv); + if (result == TCL_OK) { + TclInitByteCodeObj(objPtr, &compEnv); #ifdef TCL_COMPILE_DEBUG - if (tclTraceCompile >= 2) { - TclPrintByteCodeObj(interp, objPtr); - fflush(stdout); - } -#endif /* TCL_COMPILE_DEBUG */ - - if (result != TCL_OK) { - /* - * Handle any error from the hookProc - */ - - entryPtr = compEnv.literalArrayPtr; - for (i = 0; i < compEnv.literalArrayNext; i++) { - TclReleaseLiteral(interp, entryPtr->objPtr); - entryPtr++; - } -#ifdef TCL_COMPILE_DEBUG - TclVerifyGlobalLiteralTable(iPtr); -#endif /*TCL_COMPILE_DEBUG*/ - - auxDataPtr = compEnv.auxDataArrayPtr; - for (i = 0; i < compEnv.auxDataArrayNext; i++) { - if (auxDataPtr->type->freeProc != NULL) { - auxDataPtr->type->freeProc(auxDataPtr->clientData); - } - auxDataPtr++; + if (tclTraceCompile >= 2) { + TclPrintByteCodeObj(interp, objPtr); + fflush(stdout); } +#endif /* TCL_COMPILE_DEBUG */ } TclFreeCompileEnv(&compEnv); @@ -989,22 +966,7 @@ TclCleanupByteCode( (char *) codePtr); if (hePtr) { - ExtCmdLoc *eclPtr = Tcl_GetHashValue(hePtr); - - if (eclPtr->type == TCL_LOCATION_SOURCE) { - Tcl_DecrRefCount(eclPtr->path); - } - for (i=0 ; i<eclPtr->nuloc ; i++) { - ckfree(eclPtr->loc[i].line); - } - - if (eclPtr->loc != NULL) { - ckfree(eclPtr->loc); - } - - Tcl_DeleteHashTable(&eclPtr->litInfo); - - ckfree(eclPtr); + ReleaseCmdWordData(Tcl_GetHashValue(hePtr)); Tcl_DeleteHashEntry(hePtr); } } @@ -1185,6 +1147,28 @@ FreeSubstCodeInternalRep( TclCleanupByteCode(codePtr); } } + +static void +ReleaseCmdWordData( + ExtCmdLoc *eclPtr) +{ + int i; + + if (eclPtr->type == TCL_LOCATION_SOURCE) { + Tcl_DecrRefCount(eclPtr->path); + } + for (i=0 ; i<eclPtr->nuloc ; i++) { + ckfree((char *) eclPtr->loc[i].line); + } + + if (eclPtr->loc != NULL) { + ckfree((char *) eclPtr->loc); + } + + Tcl_DeleteHashTable (&eclPtr->litInfo); + + ckfree((char *) eclPtr); +} /* *---------------------------------------------------------------------- @@ -1418,6 +1402,32 @@ TclFreeCompileEnv( ckfree(envPtr->localLitTable.buckets); envPtr->localLitTable.buckets = envPtr->localLitTable.staticBuckets; } + if (envPtr->iPtr) { + /* + * We never converted to Bytecode, so free the things we would + * have transferred to it. + */ + + int i; + LiteralEntry *entryPtr = envPtr->literalArrayPtr; + AuxData *auxDataPtr = envPtr->auxDataArrayPtr; + + for (i = 0; i < envPtr->literalArrayNext; i++) { + TclReleaseLiteral((Tcl_Interp *)envPtr->iPtr, entryPtr->objPtr); + entryPtr++; + } + +#ifdef TCL_COMPILE_DEBUG + TclVerifyGlobalLiteralTable(envPtr->iPtr); +#endif /*TCL_COMPILE_DEBUG*/ + + for (i = 0; i < envPtr->auxDataArrayNext; i++) { + if (auxDataPtr->type->freeProc != NULL) { + auxDataPtr->type->freeProc(auxDataPtr->clientData); + } + auxDataPtr++; + } + } if (envPtr->mallocedCodeArray) { ckfree(envPtr->codeStart); } @@ -1434,7 +1444,8 @@ TclFreeCompileEnv( ckfree(envPtr->auxDataArrayPtr); } if (envPtr->extCmdMapPtr) { - ckfree(envPtr->extCmdMapPtr); + ReleaseCmdWordData(envPtr->extCmdMapPtr); + envPtr->extCmdMapPtr = NULL; } /* @@ -1576,6 +1587,10 @@ TclCompileScript( int *wlines, wlineat, cmdLine, *clNext; Tcl_Parse *parsePtr = TclStackAlloc(interp, sizeof(Tcl_Parse)); + if (envPtr->iPtr == NULL) { + Tcl_Panic("TclCompileScript() called on uninitialized CompileEnv"); + } + Tcl_DStringInit(&ds); if (numBytes < 0) { @@ -2510,6 +2525,10 @@ TclInitByteCodeObj( int i, isNew; Interp *iPtr; + if (envPtr->iPtr == NULL) { + Tcl_Panic("TclInitByteCodeObj() called on uninitialized CompileEnv"); + } + iPtr = envPtr->iPtr; codeBytes = envPtr->codeNext - envPtr->codeStart; @@ -2647,6 +2666,9 @@ TclInitByteCodeObj( &isNew), envPtr->extCmdMapPtr); envPtr->extCmdMapPtr = NULL; + /* We've used up the CompileEnv. Mark as uninitialized. */ + envPtr->iPtr = NULL; + codePtr->localCachePtr = NULL; } diff --git a/generic/tclEncoding.c b/generic/tclEncoding.c index c07ee02..119cea5 100644 --- a/generic/tclEncoding.c +++ b/generic/tclEncoding.c @@ -1433,14 +1433,16 @@ MODULE_SCOPE const TclStubs tclStubs; * It contains just enough for Tcl_InitStubs to be able * to initialize the stub table. */ static const struct { - const char *version; /* a real interpreter has interp->result here. */ - void (*magic) (void); /* a real interpreter has interp->freeProc here. */ + /* a real interpreter has */ + /* interp->result / interp->freeProc here: */ + const char version[2*sizeof(void *)]; int errorLine; const struct TclStubs *stubTable; } dummyInterp = { - TCL_PATCH_LEVEL, INT2PTR(TCL_STUB_MAGIC), 0, &tclStubs + TCL_PATCH_LEVEL, TCL_STUB_MAGIC, &tclStubs }; +#undef Tcl_FindExecutable Tcl_Interp * Tcl_InitSubsystems(int flags, ...) { @@ -1494,7 +1496,6 @@ Tcl_InitSubsystems(int flags, ...) return (Tcl_Interp *) &dummyInterp; } -#undef Tcl_FindExecutable void Tcl_FindExecutable( const char *argv0) /* The value of the application's argv[0] diff --git a/generic/tclNamesp.c b/generic/tclNamesp.c index 304487b..4facda6 100644 --- a/generic/tclNamesp.c +++ b/generic/tclNamesp.c @@ -697,8 +697,7 @@ Tcl_CreateNamespace( * Find the parent for the new namespace. */ - TclGetNamespaceForQualName(interp, name, NULL, - /*flags*/ (TCL_CREATE_NS_IF_UNKNOWN | TCL_LEAVE_ERR_MSG), + TclGetNamespaceForQualName(interp, name, NULL, TCL_CREATE_NS_IF_UNKNOWN, &parentPtr, &dummy1Ptr, &dummy2Ptr, &simpleName); /* @@ -1330,8 +1329,7 @@ Tcl_Export( * Check that the pattern doesn't have namespace qualifiers. */ - TclGetNamespaceForQualName(interp, pattern, nsPtr, - /*flags*/ (TCL_LEAVE_ERR_MSG | TCL_NAMESPACE_ONLY), + TclGetNamespaceForQualName(interp, pattern, nsPtr, TCL_NAMESPACE_ONLY, &exportNsPtr, &dummyPtr, &dummyPtr, &simplePattern); if ((exportNsPtr != nsPtr) || (strcmp(pattern, simplePattern) != 0)) { @@ -1545,8 +1543,7 @@ Tcl_Import( Tcl_SetErrorCode(interp, "TCL", "IMPORT", "EMPTY", NULL); return TCL_ERROR; } - TclGetNamespaceForQualName(interp, pattern, nsPtr, - /*flags*/ (TCL_LEAVE_ERR_MSG | TCL_NAMESPACE_ONLY), + TclGetNamespaceForQualName(interp, pattern, nsPtr, TCL_NAMESPACE_ONLY, &importNsPtr, &dummyPtr, &dummyPtr, &simplePattern); if (importNsPtr == NULL) { @@ -1791,8 +1788,7 @@ Tcl_ForgetImport( * simple pattern. */ - TclGetNamespaceForQualName(interp, pattern, nsPtr, - /*flags*/ (TCL_LEAVE_ERR_MSG | TCL_NAMESPACE_ONLY), + TclGetNamespaceForQualName(interp, pattern, nsPtr, TCL_NAMESPACE_ONLY, &sourceNsPtr, &dummyPtr, &dummyPtr, &simplePattern); if (sourceNsPtr == NULL) { @@ -3435,10 +3431,7 @@ NamespaceExportCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { - Namespace *currNsPtr = (Namespace *) TclGetCurrentNamespace(interp); - const char *pattern, *string; - int resetListFirst = 0; - int firstArg, patternCt, i, result; + int firstArg, i; if (objc < 1) { Tcl_WrongNumArgs(interp, 1, objv, "?-clear? ?pattern pattern...?"); @@ -3446,42 +3439,27 @@ NamespaceExportCmd( } /* - * Process the optional "-clear" argument. + * If no pattern arguments are given, and "-clear" isn't specified, return + * the namespace's current export pattern list. */ - firstArg = 1; - if (firstArg < objc) { - string = TclGetString(objv[firstArg]); - if (strcmp(string, "-clear") == 0) { - resetListFirst = 1; - firstArg++; - } + if (objc == 1) { + Tcl_Obj *listPtr = Tcl_NewObj(); + + (void) Tcl_AppendExportList(interp, NULL, listPtr); + Tcl_SetObjResult(interp, listPtr); + return TCL_OK; } /* - * If no pattern arguments are given, and "-clear" isn't specified, return - * the namespace's current export pattern list. + * Process the optional "-clear" argument. */ - patternCt = objc - firstArg; - if (patternCt == 0) { - if (firstArg > 1) { - return TCL_OK; - } else { - /* - * Create list with export patterns. - */ - - Tcl_Obj *listPtr = Tcl_NewListObj(0, NULL); - - result = Tcl_AppendExportList(interp, (Tcl_Namespace *) currNsPtr, - listPtr); - if (result != TCL_OK) { - return result; - } - Tcl_SetObjResult(interp, listPtr); - return TCL_OK; - } + firstArg = 1; + if (strcmp("-clear", Tcl_GetString(objv[firstArg])) == 0) { + Tcl_Export(interp, NULL, "::", 1); + Tcl_ResetResult(interp); + firstArg++; } /* @@ -3489,9 +3467,7 @@ NamespaceExportCmd( */ for (i = firstArg; i < objc; i++) { - pattern = TclGetString(objv[i]); - result = Tcl_Export(interp, (Tcl_Namespace *) currNsPtr, pattern, - ((i == firstArg)? resetListFirst : 0)); + int result = Tcl_Export(interp, NULL, Tcl_GetString(objv[i]), 0); if (result != TCL_OK) { return result; } diff --git a/generic/tclStubLib.c b/generic/tclStubLib.c index 74d4660..3656f9a 100644 --- a/generic/tclStubLib.c +++ b/generic/tclStubLib.c @@ -73,8 +73,8 @@ Tcl_InitStubs( return NULL; } - if(iPtr->freeProc == INT2PTR(TCL_STUB_MAGIC)) { - actualVersion = iPtr->result; + if(iPtr->errorLine == TCL_STUB_MAGIC) { + actualVersion = (const char *)interp; tclStubsPtr = stubsPtr; } else { actualVersion = stubsPtr->tcl_PkgRequireEx(interp, "Tcl", version, 0, &pkgData); diff --git a/tests/namespace.test b/tests/namespace.test index 1d46bf0..f6688f1 100644 --- a/tests/namespace.test +++ b/tests/namespace.test @@ -1111,6 +1111,14 @@ test namespace-26.7 {NamespaceExportCmd, -clear resets export list} { } list [lsort [info commands test_ns_2::*]] [test_ns_2::cmd4 hello] } [list [lsort {::test_ns_2::cmd4 ::test_ns_2::cmd1 ::test_ns_2::cmd3}] {cmd4: hello}] +test namespace-26.8 {NamespaceExportCmd, -clear resets export list} { + catch {namespace delete foo} + namespace eval foo { + namespace export x + namespace export -clear + } + list [namespace eval foo namespace export] [namespace delete foo] +} {{} {}} test namespace-27.1 {NamespaceForgetCmd, no args} { catch {namespace delete {*}[namespace children :: test_ns_*]} |