main()
{
symtabADT table;
scannerADT scanner;
string line, name, value;
table = NewSymbolTable();
scanner = NewScanner();
SetScannerSpaceOption(scanner, IgnoreSpaces);
while (TRUE) {
printf("-> ");
line = GetLine();
if (StringEqual(line, "quit")) break;
SetScannerString(scanner, line);
name = ReadToken(scanner);
if (MoreTokensExist(scanner)) {
if (!StringEqual(ReadToken(scanner), "=")) {
Error("Missing equal sign in assignment");
}
value = ReadToken(scanner);
if (MoreTokensExist(scanner)) {
Error("Statement contains additional data");
}
Enter(table, name, value);
} else {
value = Lookup(table, name);
if (value == UNDEFINED) {
printf("'%s' is undefined.\n", name);
} else {
printf("%s\n", value);
}
}
}
FreeSymbolTable(table);
}
main()
{
cmdScannerADT cs;
printf("Test program for the symbol table package\n");
cs = NewCommandScanner();
SetCommandData(cs, NewSymbolTable());
InitCommandTable(cs);
CommandLoop(cs, "-> ");
FreeSymbolTable(GetCommandData(cs));
FreeCommandScanner(cs);
}
bool WantToContinue(creatureADT *creatureP,int num,double *time)
{
int i;
int *k;
string str;
symtabADT symtab=NewSymbolTable();
for (i=0;i<=num-1;i++)
{
if ( Lookup ( symtab ,SpeciesName ( GetSpecies (creatureP[i]) ) )==UNDEFINED )
{
k=GetBlock(sizeof (int) );
*k=1;
Enter( symtab , SpeciesName ( GetSpecies (creatureP[i]) ) , k);
}
else
{
k=(int*)Lookup(symtab,SpeciesName ( GetSpecies (creatureP[i]) ));
*k=*k+1;
}
}
printf("\nInventory:\n");
MapSymbolTable(PrintInventory,symtab,NULL);
FreeSymbolTable(symtab);
ChangeTimeInterval(time);
while(TRUE)
{
printf("\npress s+Enter to stop and c+Enter to continue :");
str=GetLine();
if (StringEqual(str,"s")) {return FALSE;}
if (StringEqual(str,"c"))
{
printf("\nTo pause,click mouse on the graph.\n");
return TRUE;
}
}
}
static void ClearCmdFn(cmdScannerADT cs)
{
CheckForExtraTokens(cs);
FreeSymbolTable(GetCommandData(cs));
SetCommandData(cs, NewSymbolTable());
}
void FreeCommandScanner(cmdScannerADT cs)
{
FreeSymbolTable(cs->cmdTable);
FreeScanner(cs->scanner);
FreeBlock(cs);
}