public static BaseSymbol CreateLogicalAndExpression(List <BaseSymbol> expressions)
{
BaseSymbol symbol = null;
if (expressions.Count == 1)
{
symbol = expressions.First();
}
else
{
symbol = new NonTerm(NonTermType.LogicalAndExpression, expressions);
}
return(symbol);
}
public static BaseSymbol CreateEqualityExpression(int tokenType, List <BaseSymbol> expressions)
{
BaseSymbol symbol = null;
if (expressions.Count == 1)
{
symbol = expressions.First();
}
else
{
NonTermType nonTermType = GrammarHelper.TokenTypeToNonTermDictionary.ContainsKey(tokenType) ?
GrammarHelper.TokenTypeToNonTermDictionary[tokenType] : NonTermType.None;
symbol = new NonTerm(nonTermType, expressions);
}
return(symbol);
}
public static NonTerm CreateMethodCallListExpression(BaseSymbol expression, BaseSymbol id, BaseSymbol methodArguments)
{
NonTerm result = null;
if ((expression is Token) && (expression as Token).Value.Equals(GrammarHelper.This))
{
result = CreateMethodCallListExpression(id, methodArguments);
}
else
{
List <BaseSymbol> declarations = new List <BaseSymbol>()
{
expression, id, methodArguments
};
result = new NonTerm(NonTermType.MethodCallExpression, declarations);
}
return(result);
}
public NonTerm(NonTerm nonTerm)
: base(nonTerm.Value, nonTerm.Symbols)
{
TypeNonTerm = nonTerm.TypeNonTerm;
}
public static void GetClassDecl(NonTerm nonTerm, out Token classId, out NonTerm extendsClause)
{
GetClassId(nonTerm, out classId);
extendsClause = nonTerm.Symbols[1] as NonTerm;
}
public static void GetClassDecl(NonTerm nonTerm, out Token classId, /*out BaseSymbol extendsClause, */ out List <BaseSymbol> declarations)
{
GetClassId(nonTerm, out classId);
//extendsClause = nonTerm.Symbols[1];
declarations = nonTerm.Symbols.Skip(2).ToList();
}
public static void GetClassId(NonTerm nonTerm, out Token classId)
{
classId = nonTerm.Symbols[0] as Token;
}
public static void GetClassVarDecl(NonTerm nonTerm, out Token typeDeclaration, out Token id)
{
typeDeclaration = nonTerm.Symbols[0] as Token;
id = nonTerm.Symbols[1] as Token;
}
public static void GetMethodCallExpression(NonTerm nonTerm, out Token idMethodName, out List <BaseSymbol> methodArguments)
{
idMethodName = nonTerm.Symbols[0] as Token;
methodArguments = nonTerm.Symbols[1].Symbols;
}
public static void GetMainClassDecl(NonTerm nonTerm, out Token idClass, out List <BaseSymbol> statements)
{
idClass = nonTerm.Symbols[0] as Token;
statements = nonTerm.Symbols.Skip(1).ToList();
}