bool test4::Parce(lextest1& scanner)
{
dList<dStackPair> stack;
static short actionsCount[] = {2, 1, 2, 1, 1, 2, 2, 2, 1, 2};
static short actionsStart[] = {0, 2, 0, 3, 4, 5, 7, 0, 9, 5};
static dActionEntry actionTable[] = {
dActionEntry (259, 0, 1, 0, 0), dActionEntry (256, 0, 2, 0, 0),
dActionEntry (0, 1, 0, 1, 3),
dActionEntry (0, 2, 0, 0, 0),
dActionEntry (257, 0, 5, 0, 0),
dActionEntry (259, 0, 6, 0, 0), dActionEntry (256, 0, 7, 0, 0),
dActionEntry (0, 1, 0, 1, 3), dActionEntry (258, 1, 0, 1, 3),
dActionEntry (257, 0, 9, 0, 0),
};
static short gotoCount[] = {1, 0, 1, 0, 0, 1, 0, 1, 0, 1};
static short gotoStart[] = {0, 1, 1, 2, 2, 2, 3, 3, 4, 4};
static dGotoEntry gotoTable[] = {
dGotoEntry (261, 3), dGotoEntry (261, 4), dGotoEntry (261, 4), dGotoEntry (261, 8),
dGotoEntry (261, 8)};
const int lastToken = 261;
stack.Append ();
dToken token = dToken (scanner.NextToken());
for (;;) {
const dStackPair& stackTop = stack.GetLast()->GetInfo();
int start = actionsStart[stackTop.m_state];
int count = actionsCount[stackTop.m_state];
const dActionEntry* const action (FindAction (&actionTable[start], count, token));
_ASSERTE (action);
switch (action->m_stateType)
{
case dSHIFT:
{
dStackPair& entry = stack.Append()->GetInfo();
entry.m_token = dToken (action->m_token);
entry.m_state = action->m_nextState;
entry.m_value = dStackPair::dUserVariable (entry.m_token, scanner.GetTokenString());
token = dToken (scanner.NextToken());
if (token == -1) {
token = dToken (0);
}
break;
}
case dREDUCE:
{
dStackPair parameter[MAX_USER_PARAM];
int reduceCount = action->m_ruleSymbols;
_ASSERTE (reduceCount < sizeof (parameter) / sizeof (parameter[0]));
for (int i = 0; i < reduceCount; i ++) {
parameter[reduceCount - i - 1] = stack.GetLast()->GetInfo();
stack.Remove (stack.GetLast());
}
const dStackPair& stackTop = stack.GetLast()->GetInfo();
int start = gotoStart[stackTop.m_state];
int count = gotoCount[stackTop.m_state];
const dGotoEntry* const gotoEntry = FindGoto (&gotoTable[start], count, dToken (action->m_nextState + lastToken));
dStackPair& entry = stack.Append()->GetInfo();
entry.m_state = gotoEntry->m_nextState;
entry.m_token = dToken (gotoEntry->m_token);
switch (action->m_ruleIndex)
{
//do user semantic Actions
case 3:// rule stmt : a
{}
break;
default:;
}
break;
}
case dACCEPT: // 2 = accept
{
// program parced successfully, exit with successful code
return true;
}
default:
{
_ASSERTE (0);
// syntact error parciing program
//if (!ErrorHandler ("error")) {
//}
break;
}
}
}
return false;
}
int test0::Parce(lextest1& scanner)
{
dList<dStackPair> stack;
static int actionsCount[] = {2, 2, 5, 2, 5, 2, 2, 5, 5};
static int actionsStart[] = {0, 2, 4, 9, 11, 16, 18, 20, 25};
static int actionTable[] = {0xc0a0, 0x10400, 0x2, 0x140ac, 0x4000001, 0x40000a1, 0x40000a5, 0x40000ad, 0x4000401, 0xc0a0, 0x10400, 0x4004001, 0x40040a1, 0x40040a5, 0x40040ad, 0x4004401, 0xc0a0, 0x10400, 0x1c0a4, 0x140ac, 0xc004001, 0xc0040a1, 0xc0040a5, 0xc0040ad, 0xc004401, 0xc000001, 0xc0000a1, 0xc0000a5, 0xc0000ad, 0xc000401};
static int gotoCount[] = {2, 0, 0, 2, 0, 1, 0, 0, 0};
static int gotoStart[] = {0, 2, 2, 2, 4, 4, 5, 5, 5};
static int gotoTable[] = {0x10101, 0x20102, 0x60101, 0x20102, 0x80102};
const int lastToken = 257;
stack.Append ();
for (dToken token = dToken (scanner.NextToken()); token != -1; ) {
const dStackPair& stackTop = stack.GetLast()->GetInfo();
int start = actionsStart[stackTop.m_state];
int count = actionsCount[stackTop.m_state];
dActionEntry action (FindAction (&actionTable[start], count, token));
switch (action.m_stateType)
{
case 0: // 0 = shift
{
dStackPair& entry = stack.Append()->GetInfo();
entry.m_token = dToken (action.m_token);
entry.m_state = action.m_nextState;
entry.m_value = dStackPair::dUserVariable (entry.m_token, scanner.GetTokenString());
token = dToken (scanner.NextToken());
break;
}
case 1: // 1 = reduce
{
dStackPair parameter[MAX_USER_PARAM];
int reduceCount = action.m_reduceCount;
_ASSERTE (reduceCount < sizeof (parameter) / sizeof (parameter[0]));
for (int i = 0; i < reduceCount; i ++) {
parameter[i] = stack.GetLast()->GetInfo();
stack.Remove (stack.GetLast());
}
const dStackPair& stackTop = stack.GetLast()->GetInfo();
int start = gotoStart[stackTop.m_state];
int count = gotoCount[stackTop.m_state];
dGotoEntry gotoEntry (FindGoto (&gotoTable[start], count, dToken (action.m_nextState + lastToken)));
dStackPair& entry = stack.Append()->GetInfo();
entry.m_state = gotoEntry.m_nextState;
entry.m_token = dToken (gotoEntry.m_token);
switch (action.m_nextState)
{
//do user semantic Action
//$(semanticActionsCode);
case 0:
{
break;
}
default:;
}
break;
}
case 2: // 2 = accept
{
_ASSERTE (0);
}
default: // syntax grammar error
{
_ASSERTE (0);
// error
//if (!ErrorHandler ("error")) {
//}
}
}
}
return 1;
}
