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-rw-r--r--runtime/vmop.c97
1 files changed, 67 insertions, 30 deletions
diff --git a/runtime/vmop.c b/runtime/vmop.c
index 219315c4..a343481e 100644
--- a/runtime/vmop.c
+++ b/runtime/vmop.c
@@ -25,6 +25,7 @@
*/
#include "config.h"
+#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
@@ -60,27 +61,61 @@ rsRetVal vmopConstructFinalize(vmop_t __attribute__((unused)) *pThis)
/* destructor for the vmop object */
BEGINobjDestruct(vmop) /* be sure to specify the object type also in END and CODESTART macros! */
CODESTARTobjDestruct(vmop)
- if( pThis->opcode == opcode_PUSHSYSVAR
- || pThis->opcode == opcode_PUSHMSGVAR
- || pThis->opcode == opcode_PUSHCONSTANT) {
- if(pThis->operand.pVar != NULL)
- var.Destruct(&pThis->operand.pVar);
- }
+ if(pThis->operand.pVar != NULL)
+ var.Destruct(&pThis->operand.pVar);
ENDobjDestruct(vmop)
/* DebugPrint support for the vmop object */
BEGINobjDebugPrint(vmop) /* be sure to specify the object type also in END and CODESTART macros! */
uchar *pOpcodeName;
+ cstr_t *pStrVar;
CODESTARTobjDebugPrint(vmop)
vmopOpcode2Str(pThis, &pOpcodeName);
- dbgoprint((obj_t*) pThis, "opcode: %d\t(%s), next %p, var in next line\n", (int) pThis->opcode, pOpcodeName,
- pThis->pNext);
- if(pThis->operand.pVar != NULL)
- var.DebugPrint(pThis->operand.pVar);
+ CHKiRet(rsCStrConstruct(&pStrVar));
+ CHKiRet(rsCStrFinish(&pStrVar));
+ if(pThis->operand.pVar != NULL) {
+ CHKiRet(var.Obj2Str(pThis->operand.pVar, pStrVar));
+ }
+ dbgoprint((obj_t*) pThis, "%.12s\t%s\n", pOpcodeName, rsCStrGetSzStrNoNULL(pStrVar));
+ rsCStrDestruct(&pStrVar);
+finalize_it:
ENDobjDebugPrint(vmop)
+/* This function is similar to DebugPrint, but does not send its output to
+ * the debug log but instead to a caller-provided string. The idea here is that
+ * we can use this string to get a textual representation of an operation.
+ * Among others, this is useful for creating testbenches, our first use case for
+ * it. Here, it enables simple comparison of the resulting program to a
+ * reference program by simple string compare.
+ * Note that the caller must initialize the string object. We always add
+ * data to it. So, it can be easily combined into a chain of methods
+ * to generate the final string.
+ * rgerhards, 2008-07-04
+ */
+static rsRetVal
+Obj2Str(vmop_t *pThis, cstr_t *pstrPrg)
+{
+ uchar *pOpcodeName;
+ uchar szBuf[2048];
+ size_t lenBuf;
+ DEFiRet;
+
+ ISOBJ_TYPE_assert(pThis, vmop);
+ assert(pstrPrg != NULL);
+ vmopOpcode2Str(pThis, &pOpcodeName);
+ lenBuf = snprintf((char*) szBuf, sizeof(szBuf), "%s\t", pOpcodeName);
+ CHKiRet(rsCStrAppendStrWithLen(pstrPrg, szBuf, lenBuf));
+ if(pThis->operand.pVar != NULL)
+ CHKiRet(var.Obj2Str(pThis->operand.pVar, pstrPrg));
+ CHKiRet(rsCStrAppendChar(pstrPrg, '\n'));
+
+finalize_it:
+ RETiRet;
+}
+
+
/* set operand (variant case)
* rgerhards, 2008-02-20
*/
@@ -124,37 +159,37 @@ vmopOpcode2Str(vmop_t *pThis, uchar **ppName)
*ppName = (uchar*) "and";
break;
case opcode_PLUS:
- *ppName = (uchar*) "+";
+ *ppName = (uchar*) "add";
break;
case opcode_MINUS:
- *ppName = (uchar*) "-";
+ *ppName = (uchar*) "sub";
break;
case opcode_TIMES:
- *ppName = (uchar*) "*";
+ *ppName = (uchar*) "mul";
break;
case opcode_DIV:
- *ppName = (uchar*) "/";
+ *ppName = (uchar*) "div";
break;
case opcode_MOD:
- *ppName = (uchar*) "%";
+ *ppName = (uchar*) "mod";
break;
case opcode_NOT:
*ppName = (uchar*) "not";
break;
case opcode_CMP_EQ:
- *ppName = (uchar*) "==";
+ *ppName = (uchar*) "cmp_==";
break;
case opcode_CMP_NEQ:
- *ppName = (uchar*) "!=";
+ *ppName = (uchar*) "cmp_!=";
break;
case opcode_CMP_LT:
- *ppName = (uchar*) "<";
+ *ppName = (uchar*) "cmp_<";
break;
case opcode_CMP_GT:
- *ppName = (uchar*) ">";
+ *ppName = (uchar*) "cmp_>";
break;
case opcode_CMP_LTEQ:
- *ppName = (uchar*) "<=";
+ *ppName = (uchar*) "cmp_<=";
break;
case opcode_CMP_CONTAINS:
*ppName = (uchar*) "contains";
@@ -163,28 +198,31 @@ vmopOpcode2Str(vmop_t *pThis, uchar **ppName)
*ppName = (uchar*) "startswith";
break;
case opcode_CMP_GTEQ:
- *ppName = (uchar*) ">=";
+ *ppName = (uchar*) "cmp_>=";
break;
case opcode_PUSHSYSVAR:
- *ppName = (uchar*) "PUSHSYSVAR";
+ *ppName = (uchar*) "push_sysvar";
break;
case opcode_PUSHMSGVAR:
- *ppName = (uchar*) "PUSHMSGVAR";
+ *ppName = (uchar*) "push_msgvar";
break;
case opcode_PUSHCONSTANT:
- *ppName = (uchar*) "PUSHCONSTANT";
+ *ppName = (uchar*) "push_const";
break;
case opcode_POP:
- *ppName = (uchar*) "POP";
+ *ppName = (uchar*) "pop";
break;
case opcode_UNARY_MINUS:
- *ppName = (uchar*) "UNARY_MINUS";
+ *ppName = (uchar*) "unary_minus";
break;
case opcode_STRADD:
- *ppName = (uchar*) "STRADD";
+ *ppName = (uchar*) "strconcat";
+ break;
+ case opcode_FUNC_CALL:
+ *ppName = (uchar*) "func_call";
break;
default:
- *ppName = (uchar*) "INVALID opcode";
+ *ppName = (uchar*) "!invalid_opcode!";
break;
}
@@ -206,8 +244,6 @@ CODESTARTobjQueryInterface(vmop)
* work here (if we can support an older interface version - that,
* of course, also affects the "if" above).
*/
- //xxxpIf->oID = OBJvmop;
-
pIf->Construct = vmopConstruct;
pIf->ConstructFinalize = vmopConstructFinalize;
pIf->Destruct = vmopDestruct;
@@ -215,6 +251,7 @@ CODESTARTobjQueryInterface(vmop)
pIf->SetOpcode = vmopSetOpcode;
pIf->SetVar = vmopSetVar;
pIf->Opcode2Str = vmopOpcode2Str;
+ pIf->Obj2Str = Obj2Str;
finalize_it:
ENDobjQueryInterface(vmop)