public static NonTerm CreateTypeDecl(BaseSymbol typeToken)
{
return(new NonTerm(NonTermType.Type, typeToken));
}
public static void GetVarDecl(BaseSymbol nonTerm, out Token typeDeclaration, out Token id)
{
typeDeclaration = nonTerm.Symbols[0] as Token;
id = nonTerm.Symbols[1] as Token;
}
public static NonTerm CreateNewStatement(BaseSymbol expression)
{
return(new NonTerm(NonTermType.NewStatement, expression));
}
public static void GetNewStatement(BaseSymbol nonTerm, out Token expression)
{
expression = nonTerm.Symbols[0] as Token;
}
public static void GetAssignVarStatement(BaseSymbol nonTerm, out BaseSymbol variable, out BaseSymbol expression)
{
variable = nonTerm.Symbols[0];
expression = nonTerm.Symbols[1];
}
public static void GetAssignIdStatement(BaseSymbol nonTerm, out Token idToken, out BaseSymbol expression)
{
idToken = nonTerm.Symbols[0] as Token;
expression = nonTerm.Symbols[1];
}
public static void GetWhileStatement(BaseSymbol nonTerm, out BaseSymbol expression, out BaseSymbol statement)
{
expression = nonTerm.Symbols[0];
statement = nonTerm.Symbols[1];
}
public static void GetPrintStatement(BaseSymbol nonTerm, out BaseSymbol expression)
{
expression = nonTerm.Symbols[0];
}
public static NonTerm CreateIfElseStatement(BaseSymbol expression, BaseSymbol statementIf, BaseSymbol statementElse)
{
List <BaseSymbol> declarations = new List <BaseSymbol>()
{
expression, statementIf, statementElse
};
return(new NonTerm(NonTermType.IfElseStatement, declarations));
}
public static void GetElseStatement(BaseSymbol nonTerm, out BaseSymbol statement)
{
statement = nonTerm.Symbols[2];
}
public static void GetFormalArgumentDeclaration(BaseSymbol nonTerm, out Token typeDeclaration, out Token argumentId)
{
typeDeclaration = nonTerm.Symbols[0] as Token;
argumentId = nonTerm.Symbols[1] as Token;
}
public static BaseSymbol CreateArrayDecl(BaseSymbol type, int arrayDimention)
{
(type as Token).CountArrayDimention = arrayDimention;
return(type);
}
public static NonTerm CreateExtendsClause(BaseSymbol id)
{
return(new NonTerm(NonTermType.ExtendsClause, id));
}
public static void GetMethodDecl(BaseSymbol nonTerm, out Token typeDeclaration, out Token methodId,
out List <BaseSymbol> variables, out BaseSymbol statements, out BaseSymbol returnExpression)
{
GetMethodSignature(nonTerm, out typeDeclaration, out methodId, out variables);
statements = nonTerm.Symbols[3];
returnExpression = nonTerm.Symbols[4];
}
public static void GetMethodSignature(BaseSymbol nonTerm, out Token typeDeclaration, out Token methodId, out List <BaseSymbol> variables)
{
typeDeclaration = nonTerm.Symbols[0] as Token;
methodId = nonTerm.Symbols[1] as Token;
variables = nonTerm.Symbols[2].Symbols;
}