// parses SIMPLE VALUES, NOT LISTS
public static mysToken ParseLex(
mysState state,
string lex,
object[] replaces
)
{
LexParser.state = state;
LexParser.replaces = replaces;
foreach( Func<string, mysToken> transform in actions ) {
mysToken result = transform( lex );
if ( result != null ) {
return result;
}
}
if ( IsValidIdentifier( lex ) ) {
// special case
if ( lex == "new" ) {
return new mysToken(
new clrFunctionGroup( lex )
);
} else {
return new mysToken(
new mysSymbol( lex )
);
}
} else {
throw new FormatException();
}
}
public static List<mysToken> Parse(
mysState state,
string expression,
object[] replaces = null
)
{
ParseMachine pm = new ParseMachine(
state,
expression,
replaces: replaces
);
while ( pm.CanStep() ) {
pm.Step();
}
return pm.Tokens;
}
ParseMachine(
mysState state,
string expression,
Queue<string> inheritedStringQueue = null,
object[] replaces = null
)
{
this.state = state;
stringQueue = inheritedStringQueue ?? new Queue<string>();
this.expression =
prepare( expression )
.Split(' ')
.Where( sub => sub != " " && sub != "" )
.ToList()
;
current = 0;
Tokens = new List<mysToken>();
quote = false;
this.replaces = replaces;
}
