diff options
Diffstat (limited to 'generic/tclExecute.c')
| -rw-r--r-- | generic/tclExecute.c | 138 |
1 files changed, 44 insertions, 94 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index e539161..b9ef582 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -19,7 +19,6 @@ #include "tclCompile.h" #include "tclOOInt.h" #include "tommath.h" -#include "tclStringRep.h" #include <math.h> #include <assert.h> @@ -3173,7 +3172,7 @@ TEBCresume( Tcl_Obj *copyPtr = Tcl_NewListObj(objc - opnd + 1, NULL); Tcl_ListObjAppendElement(NULL, copyPtr, objPtr); - Tcl_ListObjReplace(NULL, copyPtr, LIST_MAX, 0, + Tcl_ListObjReplace(NULL, copyPtr, LIST_MAX, 0, objc - opnd, objv + opnd); Tcl_DecrRefCount(objPtr); objPtr = copyPtr; @@ -5725,17 +5724,6 @@ TEBCresume( length3 = Tcl_GetCharLength(value3Ptr); /* - * Remove substring. In-place. - */ - - if (length3 == 0 && !Tcl_IsShared(valuePtr) && toIdx == length) { - TclDecrRefCount(value3Ptr); - Tcl_SetObjLength(valuePtr, fromIdx); - TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); - NEXT_INST_F(1, 0, 0); - } - - /* * See if we can splice in place. This happens when the number of * characters being replaced is the same as the number of characters * in the string to be inserted. @@ -5744,51 +5732,29 @@ TEBCresume( if (length3 - 1 == toIdx - fromIdx) { unsigned char *bytes1, *bytes2; - /* - * Flush the info in the string internal rep that refers to the - * about-to-be-invalidated UTF-8 rep. This indicates that a new - * buffer needs to be allocated, and assumes that the value is - * already of tclStringTypePtr type, which should be true provided - * we call it after Tcl_GetUnicodeFromObj. - */ -#define MarkStringInternalRepForFlush(objPtr) \ - (GET_STRING(objPtr)->allocated = 0) - if (Tcl_IsShared(valuePtr)) { objResultPtr = Tcl_DuplicateObj(valuePtr); - if (TclIsPureByteArray(objResultPtr) - && TclIsPureByteArray(value3Ptr)) { - bytes1 = Tcl_GetByteArrayFromObj(objResultPtr, NULL); - bytes2 = Tcl_GetByteArrayFromObj(value3Ptr, NULL); - memcpy(bytes1 + fromIdx, bytes2, length3); - } else { - ustring1 = Tcl_GetUnicodeFromObj(objResultPtr, NULL); - ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL); - memcpy(ustring1 + fromIdx, ustring2, - length3 * sizeof(Tcl_UniChar)); - MarkStringInternalRepForFlush(objResultPtr); - } - Tcl_InvalidateStringRep(objResultPtr); - TclDecrRefCount(value3Ptr); - TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); - NEXT_INST_F(1, 1, 1); } else { - if (TclIsPureByteArray(valuePtr) - && TclIsPureByteArray(value3Ptr)) { - bytes1 = Tcl_GetByteArrayFromObj(valuePtr, NULL); - bytes2 = Tcl_GetByteArrayFromObj(value3Ptr, NULL); - memcpy(bytes1 + fromIdx, bytes2, length3); - } else { - ustring1 = Tcl_GetUnicodeFromObj(valuePtr, NULL); - ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL); - memcpy(ustring1 + fromIdx, ustring2, - length3 * sizeof(Tcl_UniChar)); - MarkStringInternalRepForFlush(valuePtr); - } - Tcl_InvalidateStringRep(valuePtr); - TclDecrRefCount(value3Ptr); - TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); + objResultPtr = valuePtr; + } + if (TclIsPureByteArray(objResultPtr) + && TclIsPureByteArray(value3Ptr)) { + bytes1 = Tcl_GetByteArrayFromObj(objResultPtr, NULL); + bytes2 = Tcl_GetByteArrayFromObj(value3Ptr, NULL); + memcpy(bytes1 + fromIdx, bytes2, length3); + } else { + ustring1 = Tcl_GetUnicodeFromObj(objResultPtr, NULL); + ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL); + memcpy(ustring1 + fromIdx, ustring2, + length3 * sizeof(Tcl_UniChar)); + } + Tcl_InvalidateStringRep(objResultPtr); + TclDecrRefCount(value3Ptr); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); + if (objResultPtr == valuePtr) { NEXT_INST_F(1, 0, 0); + } else { + NEXT_INST_F(1, 1, 1); } } @@ -5804,54 +5770,38 @@ TEBCresume( * Remove substring using copying. */ - if (length3 == 0) { - if (fromIdx > 0) { - objResultPtr = Tcl_NewUnicodeObj(ustring1, fromIdx); - if (toIdx < length) { - Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, - length - toIdx); - } - } else { - objResultPtr = Tcl_NewUnicodeObj(ustring1 + toIdx + 1, - length - toIdx); - } - TclDecrRefCount(value3Ptr); - TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); - NEXT_INST_F(1, 1, 1); - } - - /* - * Splice string pieces by full copying. - */ - + objResultPtr = NULL; if (fromIdx > 0) { objResultPtr = Tcl_NewUnicodeObj(ustring1, fromIdx); - Tcl_AppendObjToObj(objResultPtr, value3Ptr); - if (toIdx < length) { - Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, - length - toIdx); + } + if (length3 > 0) { + if (objResultPtr) { + Tcl_AppendObjToObj(objResultPtr, value3Ptr); + } else if (Tcl_IsShared(value3Ptr)) { + objResultPtr = Tcl_DuplicateObj(value3Ptr); + } else { + objResultPtr = value3Ptr; } - } else if (Tcl_IsShared(value3Ptr)) { - objResultPtr = Tcl_DuplicateObj(value3Ptr); - if (toIdx < length) { + } + if (toIdx < length) { + if (objResultPtr) { Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, length - toIdx); - } - } else { - /* - * Be careful with splicing the stack in this case; we have a - * refCount:1 object in value3Ptr and we want to append to it and - * make it be the refCount:1 object at the top of the stack - * afterwards. [Bug 82e7f67325] - */ - - if (toIdx < length) { - Tcl_AppendUnicodeToObj(value3Ptr, ustring1 + toIdx + 1, + } else { + objResultPtr = Tcl_NewUnicodeObj(ustring1 + toIdx + 1, length - toIdx); } + } + if (objResultPtr == NULL) { + /* This has to be the case [string replace $s 0 end {}] */ + /* which has result {} which is same as value3Ptr. */ + objResultPtr = value3Ptr; + } + if (objResultPtr == value3Ptr) { + /* See [Bug 82e7f67325] */ + TclDecrRefCount(OBJ_AT_TOS); + OBJ_AT_TOS = value3Ptr; TRACE_APPEND(("\"%.30s\"\n", O2S(value3Ptr))); - TclDecrRefCount(valuePtr); - OBJ_AT_TOS = value3Ptr; /* Tricky! */ NEXT_INST_F(1, 0, 0); } TclDecrRefCount(value3Ptr); |