diff options
Diffstat (limited to 'generic/tclExecute.c')
| -rw-r--r-- | generic/tclExecute.c | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 10cbf46..f54155d 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -4732,11 +4732,12 @@ TEBCresume( O2S(objResultPtr))); NEXT_INST_F(1, 2, 1); - case INST_STR_MAP: { + { Tcl_UniChar *ustring1, *ustring2, *ustring3, *end, *p; int length3; Tcl_Obj *value3Ptr; + case INST_STR_MAP: valuePtr = OBJ_AT_TOS; /* "Main" string. */ value3Ptr = OBJ_UNDER_TOS; /* "Target" string. */ value2Ptr = OBJ_AT_DEPTH(2); /* "Source" string. */ @@ -4781,7 +4782,71 @@ TEBCresume( Tcl_AppendUnicodeToObj(objResultPtr, p, ustring1 - p); } + TRACE_WITH_OBJ(("%.20s %.20s %.20s => ", + O2S(value2Ptr), O2S(value3Ptr), O2S(valuePtr)), objResultPtr); NEXT_INST_V(1, 3, 1); + + case INST_STR_FIND: + ustring1 = Tcl_GetUnicodeFromObj(OBJ_AT_TOS, &length); /* Haystack */ + ustring2 = Tcl_GetUnicodeFromObj(OBJ_UNDER_TOS, &length2);/* Needle */ + + match = -1; + if (length2 > 0 && length2 <= length) { + end = ustring1 + length - length2 + 1; + for (p=ustring1 ; p<end ; p++) { + if ((*p == *ustring2) && TclUniCharNcmp(ustring2, p, + (unsigned long) length2) == 0) { + match = p - ustring1; + break; + } + } + } + + TRACE(("%.20s %.20s => %d\n", + O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), match)); + + TclNewIntObj(objResultPtr, match); + NEXT_INST_F(1, 2, 1); + + case INST_STR_RANGE_IMM: + valuePtr = OBJ_AT_TOS; + fromIdx = TclGetInt4AtPtr(pc+1); + toIdx = TclGetInt4AtPtr(pc+5); + length = Tcl_GetCharLength(valuePtr); + TRACE(("\"%.20s\" %d %d", O2S(valuePtr), fromIdx, toIdx)); + + /* + * Adjust indices for end-based indexing. + */ + + if (fromIdx < -1) { + fromIdx += 1 + length; + if (fromIdx < 0) { + fromIdx = 0; + } + } else if (fromIdx >= length) { + fromIdx = length; + } + if (toIdx < -1) { + toIdx += 1 + length; + if (toIdx < 0) { + toIdx = 0; + } + } else if (toIdx >= length) { + toIdx = length - 1; + } + + /* + * Check if we can do a sane substring. + */ + + if (fromIdx <= toIdx) { + objResultPtr = Tcl_GetRange(valuePtr, fromIdx, toIdx); + } else { + TclNewObj(objResultPtr); + } + TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); + NEXT_INST_F(9, 1, 1); } case INST_STR_MATCH: |