From 0a698ab8931d19685cb39110a5db62a81099cd9c Mon Sep 17 00:00:00 2001 From: Rainer Gerhards Date: Tue, 26 Feb 2008 10:07:49 +0000 Subject: implemented STARTSWITH vm instruction --- vm.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'vm.c') diff --git a/vm.c b/vm.c index f66dd3ee..49342035 100644 --- a/vm.c +++ b/vm.c @@ -202,6 +202,23 @@ CODESTARTop(CMP_CONTAINS) var.Destruct(&operand2); /* no longer needed */ ENDop(CMP_CONTAINS) +BEGINop(CMP_STARTSWITH) /* remember to set the instruction also in the ENDop macro! */ + var_t *operand1; + var_t *operand2; + int bRes; +CODESTARTop(CMP_STARTSWITH) + /* operand2 is on top of stack, so needs to be popped first */ + vmstk.PopString(pThis->pStk, &operand2); + vmstk.PopString(pThis->pStk, &operand1); + /* TODO: extend cstr class so that it supports location of cstr inside cstr */ + bRes = (rsCStrStartsWithSzStr(operand1->val.pStr, rsCStrGetSzStr(operand2->val.pStr), + rsCStrLen(operand2->val.pStr)) == 0) ? 1 : 0; + + /* we have a result, so let's push it */ + PUSHRESULTop(operand1, bRes); + var.Destruct(&operand2); /* no longer needed */ +ENDop(CMP_STARTSWITH) + /* end comare operations that work on strings, only */ BEGINop(STRADD) /* remember to set the instruction also in the ENDop macro! */ @@ -341,7 +358,7 @@ execProg(vm_t *pThis, vmprg_t *pProg) doOP(CMP_LTEQ); doOP(CMP_GTEQ); doOP(CMP_CONTAINS); - // TODO: implement: doOP(CMP_STARTSWITH); + doOP(CMP_STARTSWITH); doOP(NOT); doOP(PUSHCONSTANT); doOP(PUSHMSGVAR); -- cgit v1.2.3