59 lines
1.5 KiB
Java
59 lines
1.5 KiB
Java
package it.cavallium.warppi.math.rules.dsl.frontend;
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import it.cavallium.warppi.math.rules.dsl.DslError;
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import java.util.Objects;
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/**
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* Occurs when DSL source code contains one or more (consecutive) characters which are not expected by the lexer.
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*/
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public class UnexpectedCharacters implements DslError {
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private final int position;
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private final String unexpectedCharacters;
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public UnexpectedCharacters(final int position, final String unexpectedCharacters) {
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this.position = position;
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this.unexpectedCharacters = unexpectedCharacters;
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}
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@Override
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public int getPosition() {
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return position;
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}
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@Override
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public int getLength() {
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return unexpectedCharacters.length();
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}
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@Override
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public <T> T accept(final DslError.Visitor<T> visitor) {
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return visitor.visit(this);
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}
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/**
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* @return The string of one or more consecutive unexpected characters.
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*/
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public String getUnexpectedCharacters() {
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return unexpectedCharacters;
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}
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UnexpectedCharacters concat(UnexpectedCharacters other) {
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return new UnexpectedCharacters(this.position, this.unexpectedCharacters + other.unexpectedCharacters);
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}
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@Override
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public boolean equals(final Object o) {
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if (!(o instanceof UnexpectedCharacters)) {
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return false;
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}
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final UnexpectedCharacters other = (UnexpectedCharacters) o;
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return this.position == other.position && this.unexpectedCharacters.equals(other.unexpectedCharacters);
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}
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@Override
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public int hashCode() {
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return Objects.hash(position, unexpectedCharacters);
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}
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}
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