public AssignmentStatementRule(TerminalNode identifier, TerminalNode assignmentOperator,
ExpressionRule expression, TerminalNode semicolon)
{
Identifier = Guard.OneOf(() => identifier, Token.Identifier);
AssignmentOperator = Guard.OneOf(() => assignmentOperator, Token.Assignment);
Expression = expression;
Semicolon = Guard.OneOf(() => semicolon, Token.Semicolon);
}
//public methods
public Expression Apply(Expression exp, ExpressionRule rule)
{
if (_matcher.Match(exp, rule.From, out _dict))
{
if (rule.Predicate == null || rule.Predicate(_dict))
{
return(Visit(rule.To.Body));
}
}
return(exp);
}
public IdOrAssignmentRule(TerminalNode identifier, TerminalNode assignmentOperator, ExpressionRule expression)
{
Identifier = Guard.OneOf(() => identifier, Token.Identifier);
AssignmentOperator = Guard.OneOf(() => assignmentOperator, Token.Assignment);
Expression = Guard.NonNull(() => expression);
}
public MainFunctionBuilder WithReturnExpression(ExpressionRule expressionRule)
{
_mainFunctionRule.FunctionBody.ReturnStatement.Expression = expressionRule;
return(this);
}
public WriteStatementRule(TerminalNode write, ExpressionRule expression, TerminalNode semicolon)
{
Write = Guard.OneOf(() => write, Token.Write);
Expression = Guard.NonNull(() => expression);
Semicolon = Guard.OneOf(() => semicolon, Token.Semicolon);
}
public void Add(ExpressionRule rule)
{
rules.Add(rule);
}
public void Remove(ExpressionRule rule)
{
rules.Remove(rule);
}
public ReturnStatementRule(TerminalNode @return, ExpressionRule expression, TerminalNode semicolon)
{
Return = Guard.OneOf(() => @return, Token.Return);
Expression = Guard.NonNull(() => expression);
Semicolon = Guard.OneOf(() => semicolon, Token.Semicolon);
}