59 lines
2.0 KiB
Java
59 lines
2.0 KiB
Java
package carpet.script.exception;
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import carpet.script.Context;
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import carpet.script.Expression;
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import carpet.script.Tokenizer.Token;
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import carpet.script.value.Value;
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import static carpet.script.exception.Throwables.Exception;
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public class ThrowStatement extends InternalExpressionException
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{
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private final Exception exception;
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/**
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* Creates a throw exception from a value.
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* That value will also be used as the message.<br>
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* To be used when throwing from Scarpet's {@code throw} function with a single argument
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* @param value The value to pass
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*/
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public ThrowStatement(Value value)
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{
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this(value, value, Value.NULL);
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}
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/**
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* Creates a throw exception from a value, and assigns it a specified message.
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* <p>To be used when throwing from Scarpet's {@code throw} function
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* @param message The message to display if uncaught
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* @param value The value to pass
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* @param parent A parent's name
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*/
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public ThrowStatement(Value message, Value value, Value parent)
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{
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super(message.getString());
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exception = new Exception(value, parent);
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}
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/**
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* Creates a throw exception.<br>
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* Conveniently creates a value from the {@code value} String
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* to be used easily in Java code
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* @param message The message to display when not handled
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* @param exception An {@link Exception} containing the inheritance data
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* for this exception. When throwing from Java,
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* those exceptions should be pre-registered and used
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* instead of creating new ones each time.
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* @param parent This exception's data
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*/
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public ThrowStatement(String message, Exception exception)
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{
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super(message);
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this.exception = exception;
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}
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@Override
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public ExpressionException promote(Context c, Expression e, Token token) {
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return new ProcessedThrowStatement(c, e, token, getMessage(), stack, exception);
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}
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}
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