public override Yarn.Type VisitExpNegative(YarnSpinnerParser.ExpNegativeContext context)
{
ParserRuleContext[] terms = new[] { context.expression() };
// - supports only number types
return(CheckOperation(context, terms, "-", Yarn.Type.Number));
}
// -expression
public override int VisitExpNegative(YarnSpinnerParser.ExpNegativeContext context)
{
Visit(context.expression());
// TODO: temp operator call
compiler.Emit(ByteCode.CallFunc, TokenType.UnaryMinus.ToString());
return(0);
}
public override Yarn.IType VisitExpNegative(YarnSpinnerParser.ExpNegativeContext context)
{
ParserRuleContext[] terms = new[] { context.expression() };
var @operator = CodeGenerationVisitor.TokensToOperators[context.op.Type];
Yarn.IType type = CheckOperation(context, terms, @operator, context.op.Text);
context.Type = type;
return(type);
}
// -expression
public override int VisitExpNegative(YarnSpinnerParser.ExpNegativeContext context)
{
Visit(context.expression());
// TODO: temp operator call
// Indicate that we are pushing one parameter
compiler.Emit(OpCode.PushFloat, new Operand(1));
compiler.Emit(OpCode.CallFunc, new Operand(TokenType.UnaryMinus.ToString()));
return(0);
}
// -expression
public override int VisitExpNegative(YarnSpinnerParser.ExpNegativeContext context)
{
this.GenerateCodeForOperation(Operator.UnaryMinus, context.op, context.Type, context.expression());
return(0);
}
/// <summary>
/// Visit a parse tree produced by the <c>expNegative</c>
/// labeled alternative in <see cref="YarnSpinnerParser.expression"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitExpNegative([NotNull] YarnSpinnerParser.ExpNegativeContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>expNegative</c>
/// labeled alternative in <see cref="YarnSpinnerParser.expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitExpNegative([NotNull] YarnSpinnerParser.ExpNegativeContext context)
{
}
