diff options
Diffstat (limited to 'generic/tclListObj.c')
| -rw-r--r-- | generic/tclListObj.c | 83 |
1 files changed, 41 insertions, 42 deletions
diff --git a/generic/tclListObj.c b/generic/tclListObj.c index 6887207..934f20a 100644 --- a/generic/tclListObj.c +++ b/generic/tclListObj.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclListObj.c,v 1.36 2007/03/02 16:06:33 dgp Exp $ + * RCS: @(#) $Id: tclListObj.c,v 1.37 2007/03/07 09:10:11 dkf Exp $ */ #include "tclInt.h" @@ -805,11 +805,11 @@ Tcl_ListObjReplace( } /* - * Note that when count == 0 and objc == 0, this routine is logically - * a no-op, removing and adding no elements to the list. However, by - * flowing through this routine anyway, we get the important side effect - * that the resulting listPtr is a list in canoncial form. This is - * important. Resist any temptation to optimize this case. + * Note that when count == 0 and objc == 0, this routine is logically a + * no-op, removing and adding no elements to the list. However, by flowing + * through this routine anyway, we get the important side effect that the + * resulting listPtr is a list in canoncial form. This is important. + * Resist any temptation to optimize this case. */ listRepPtr = (List *) listPtr->internalRep.twoPtrValue.ptr1; @@ -860,7 +860,7 @@ Tcl_ListObjReplace( } } else { /* - * Cannot use the current List struct - it is shared, too small, or + * Cannot use the current List struct; it is shared, too small, or * both. Allocate a new struct and insert elements into it. */ @@ -990,10 +990,9 @@ Tcl_ListObjReplace( * to a reference count of the duplicate. Now the reference count of an * unduplicated object is 2 (the returned pointer, plus the one stored in * the variable). The reference count of a duplicate object is 1, - * reflecting that the returned pointer is the only active reference. - * The caller is expected to store the returned value back in the - * variable and decrement its reference count. (INST_STORE_* does exactly - * this.) + * reflecting that the returned pointer is the only active reference. The + * caller is expected to store the returned value back in the variable + * and decrement its reference count. (INST_STORE_* does exactly this.) * * Tcl_LsetFlat and related functions maintain a linked list of Tcl_Obj's * whose string representations must be spoilt by threading via 'ptr2' of @@ -1006,15 +1005,15 @@ Tcl_ListObjReplace( Tcl_Obj * TclLsetList( - Tcl_Interp *interp, /* Tcl interpreter */ - Tcl_Obj *listPtr, /* Pointer to the list being modified */ - Tcl_Obj *indexArgPtr, /* Index or index-list arg to 'lset' */ - Tcl_Obj *valuePtr) /* Value arg to 'lset' */ + Tcl_Interp *interp, /* Tcl interpreter. */ + Tcl_Obj *listPtr, /* Pointer to the list being modified. */ + Tcl_Obj *indexArgPtr, /* Index or index-list arg to 'lset'. */ + Tcl_Obj *valuePtr) /* Value arg to 'lset'. */ { - int indexCount; /* Number of indices in the index list */ - Tcl_Obj **indices; /* Vector of indices in the index list*/ - Tcl_Obj *retValuePtr; /* Pointer to the list to be returned */ - int index; /* Current index in the list - discarded */ + int indexCount; /* Number of indices in the index list. */ + Tcl_Obj **indices; /* Vector of indices in the index list. */ + Tcl_Obj *retValuePtr; /* Pointer to the list to be returned. */ + int index; /* Current index in the list - discarded. */ int i; List *indexListRepPtr; @@ -1044,17 +1043,17 @@ TclLsetList( /* * At this point, we know that argPtr designates a well formed list, and - * the 'else if' above has parsed it into indexCount and indices. - * Increase the reference count of the internal rep of indexArgPtr, in - * order to insure the validity of pointers even if indexArgPtr shimmers - * to another type. + * the 'else if' above has parsed it into indexCount and indices. Increase + * the reference count of the internal rep of indexArgPtr, in order to + * insure the validity of pointers even if indexArgPtr shimmers to another + * type. */ if (indexCount) { indexListRepPtr = (List *) indexArgPtr->internalRep.twoPtrValue.ptr1; indexListRepPtr->refCount++; } else { - indexListRepPtr = NULL; /* avoid compiler warning*/ + indexListRepPtr = NULL; /* Avoid compiler warning. */ } /* @@ -1125,24 +1124,24 @@ TclLsetList( Tcl_Obj * TclLsetFlat( - Tcl_Interp *interp, /* Tcl interpreter */ - Tcl_Obj *listPtr, /* Pointer to the list being modified */ - int indexCount, /* Number of index args */ + Tcl_Interp *interp, /* Tcl interpreter. */ + Tcl_Obj *listPtr, /* Pointer to the list being modified. */ + int indexCount, /* Number of index args. */ Tcl_Obj *CONST indexArray[], - /* Index args */ - Tcl_Obj *valuePtr) /* Value arg to 'lset' */ + /* Index args. */ + Tcl_Obj *valuePtr) /* Value arg to 'lset'. */ { int duplicated; /* Flag == 1 if the obj has been duplicated, 0 - * otherwise */ - Tcl_Obj *retValuePtr; /* Pointer to the list to be returned */ - int elemCount; /* Length of one sublist being changed */ - Tcl_Obj **elemPtrs; /* Pointers to the elements of a sublist */ - Tcl_Obj *subListPtr; /* Pointer to the current sublist */ + * otherwise. */ + Tcl_Obj *retValuePtr; /* Pointer to the list to be returned. */ + int elemCount; /* Length of one sublist being changed. */ + Tcl_Obj **elemPtrs; /* Pointers to the elements of a sublist. */ + Tcl_Obj *subListPtr; /* Pointer to the current sublist. */ int index; /* Index of the element to replace in the - * current sublist */ + * current sublist. */ Tcl_Obj *chainPtr; /* Pointer to the enclosing list of the * current sublist. */ - int result; /* Status return from library calls */ + int result; /* Status return from library calls. */ int i; /* @@ -1228,7 +1227,7 @@ TclLsetFlat( } /* - * Break the loop after extracting the innermost sublist + * Break the loop after extracting the innermost sublist. */ if (i >= indexCount-1) { @@ -1347,12 +1346,12 @@ TclLsetFlat( int TclListObjSetElement( Tcl_Interp *interp, /* Tcl interpreter; used for error reporting - * if not NULL */ + * if not NULL. */ Tcl_Obj *listPtr, /* List object in which element should be - * stored */ - int index, /* Index of element to store */ + * stored. */ + int index, /* Index of element to store. */ Tcl_Obj *valuePtr) /* Tcl object to store in the designated list - * element */ + * element. */ { int result; /* Return value from this function. */ List *listRepPtr; /* Internal representation of the list being @@ -1619,7 +1618,7 @@ SetListFromAny( elemPtr->bytes = s; elemPtr->length = elemSize; elemPtrs[i] = elemPtr; - Tcl_IncrRefCount(elemPtr); /* since list now holds ref to it */ + Tcl_IncrRefCount(elemPtr); /* Since list now holds ref to it. */ } listRepPtr->elemCount = i; |