diff options
Diffstat (limited to 'generic/tclScan.c')
-rw-r--r-- | generic/tclScan.c | 89 |
1 files changed, 55 insertions, 34 deletions
diff --git a/generic/tclScan.c b/generic/tclScan.c index 6d23950..ef7eedf 100644 --- a/generic/tclScan.c +++ b/generic/tclScan.c @@ -7,8 +7,6 @@ * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclScan.c,v 1.35 2010/03/05 14:34:04 dkf Exp $ */ #include "tclInt.h" @@ -103,10 +101,9 @@ BuildCharSet( end += Tcl_UtfToUniChar(end, &ch); } - cset->chars = (Tcl_UniChar *) - ckalloc(sizeof(Tcl_UniChar) * (end - format - 1)); + cset->chars = ckalloc(sizeof(Tcl_UniChar) * (end - format - 1)); if (nranges > 0) { - cset->ranges = (struct Range *) ckalloc(sizeof(struct Range)*nranges); + cset->ranges = ckalloc(sizeof(struct Range) * nranges); } else { cset->ranges = NULL; } @@ -226,9 +223,9 @@ static void ReleaseCharSet( CharSet *cset) { - ckfree((char *)cset->chars); + ckfree(cset->chars); if (cset->ranges) { - ckfree((char *)cset->ranges); + ckfree(cset->ranges); } } @@ -264,6 +261,10 @@ ValidateFormat( int objIndex, xpgSize, nspace = numVars; int *nassign = TclStackAlloc(interp, nspace * sizeof(int)); char buf[TCL_UTF_MAX+1]; + Tcl_Obj *errorMsg; /* Place to build an error messages. Note that + * these are messy operations because we do + * not want to use the formatting engine; + * we're inside there! */ /* * Initialize an array that records the number of times a variable is @@ -331,9 +332,10 @@ ValidateFormat( gotSequential = 1; if (gotXpg) { mixedXPG: - Tcl_SetResult(interp, + Tcl_SetObjResult(interp, Tcl_NewStringObj( "cannot mix \"%\" and \"%n$\" conversion specifiers", - TCL_STATIC); + -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "MIXEDSPECTYPES", NULL); goto error; } @@ -377,9 +379,10 @@ ValidateFormat( switch (ch) { case 'c': if (flags & SCAN_WIDTH) { - Tcl_SetResult(interp, + Tcl_SetObjResult(interp, Tcl_NewStringObj( "field width may not be specified in %c conversion", - TCL_STATIC); + -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "BADWIDTH", NULL); goto error; } /* @@ -390,9 +393,12 @@ ValidateFormat( if (flags & (SCAN_LONGER|SCAN_BIG)) { invalidFieldSize: buf[Tcl_UniCharToUtf(ch, buf)] = '\0'; - Tcl_AppendResult(interp, - "field size modifier may not be specified in %", buf, - " conversion", NULL); + errorMsg = Tcl_NewStringObj( + "field size modifier may not be specified in %", -1); + Tcl_AppendToObj(errorMsg, buf, -1); + Tcl_AppendToObj(errorMsg, " conversion", -1); + Tcl_SetObjResult(interp, errorMsg); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "BADSIZE", NULL); goto error; } /* @@ -409,8 +415,9 @@ ValidateFormat( break; case 'u': if (flags & SCAN_BIG) { - Tcl_SetResult(interp, - "unsigned bignum scans are invalid", TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "unsigned bignum scans are invalid", -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "BADUNSIGNED",NULL); goto error; } break; @@ -445,13 +452,18 @@ ValidateFormat( } break; badSet: - Tcl_SetResult(interp, "unmatched [ in format string", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "unmatched [ in format string", -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "BRACKET", NULL); goto error; default: buf[Tcl_UniCharToUtf(ch, buf)] = '\0'; - Tcl_AppendResult(interp, "bad scan conversion character \"", buf, - "\"", NULL); + errorMsg = Tcl_NewStringObj( + "bad scan conversion character \"", -1); + Tcl_AppendToObj(errorMsg, buf, -1); + Tcl_AppendToObj(errorMsg, "\"", -1); + Tcl_SetObjResult(interp, errorMsg); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "BADTYPE", NULL); goto error; } if (!(flags & SCAN_SUPPRESS)) { @@ -495,9 +507,10 @@ ValidateFormat( } for (i = 0; i < numVars; i++) { if (nassign[i] > 1) { - Tcl_SetResult(interp, + Tcl_SetObjResult(interp, Tcl_NewStringObj( "variable is assigned by multiple \"%n$\" conversion specifiers", - TCL_STATIC); + -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "POLYASSIGNED", NULL); goto error; } else if (!xpgSize && (nassign[i] == 0)) { /* @@ -505,9 +518,10 @@ ValidateFormat( * and/or numVars != 0), then too many vars were given */ - Tcl_SetResult(interp, + Tcl_SetObjResult(interp, Tcl_NewStringObj( "variable is not assigned by any conversion specifiers", - TCL_STATIC); + -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "UNASSIGNED", NULL); goto error; } } @@ -517,12 +531,14 @@ ValidateFormat( badIndex: if (gotXpg) { - Tcl_SetResult(interp, "\"%n$\" argument index out of range", - TCL_STATIC); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "\"%n$\" argument index out of range", -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "INDEXRANGE", NULL); } else { - Tcl_SetResult(interp, + Tcl_SetObjResult(interp, Tcl_NewStringObj( "different numbers of variable names and field specifiers", - TCL_STATIC); + -1)); + Tcl_SetErrorCode(interp, "TCL", "FORMAT", "FIELDVARMISMATCH", NULL); } error: @@ -592,7 +608,7 @@ Tcl_ScanObjCmd( */ if (totalVars > 0) { - objs = (Tcl_Obj **) ckalloc(sizeof(Tcl_Obj *) * totalVars); + objs = ckalloc(sizeof(Tcl_Obj *) * totalVars); for (i = 0; i < totalVars; i++) { objs[i] = NULL; } @@ -994,9 +1010,14 @@ Tcl_ScanObjCmd( continue; } result++; - if (Tcl_ObjSetVar2(interp, objv[i+3], NULL, objs[i], 0) == NULL) { - Tcl_AppendResult(interp, "couldn't set variable \"", - TclGetString(objv[i+3]), "\"", NULL); + + /* + * In case of multiple errors in setting variables, just report + * the first one. + */ + + if (Tcl_ObjSetVar2(interp, objv[i+3], NULL, objs[i], + (code == TCL_OK) ? TCL_LEAVE_ERR_MSG : 0) == NULL) { code = TCL_ERROR; } Tcl_DecrRefCount(objs[i]); @@ -1022,7 +1043,7 @@ Tcl_ScanObjCmd( } } if (objs != NULL) { - ckfree((char *) objs); + ckfree(objs); } if (code == TCL_OK) { if (underflow && (nconversions == 0)) { @@ -1042,7 +1063,7 @@ Tcl_ScanObjCmd( } return code; } - + /* * Local Variables: * mode: c |