SourcePoint.java

package scotch.compiler.text;

import static lombok.AccessLevel.PRIVATE;
import static scotch.compiler.text.NamedSourcePoint.source;

import lombok.AllArgsConstructor;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.ToString;

@AllArgsConstructor(access = PRIVATE)
@EqualsAndHashCode(callSuper = false)
@ToString
@Getter
public class SourcePoint {

    public static SourcePoint point(int offset, int line, int column) {
        return new SourcePoint(offset, line, column);
    }

    private final int offset;
    private final int line;
    private final int column;

    public SourcePoint max(SourcePoint other) {
        return new SourcePoint(
            Math.max(offset, other.offset),
            Math.max(line, other.line),
            Math.max(column, other.column)
        );
    }

    public SourcePoint min(SourcePoint other) {
        return new SourcePoint(
            Math.min(offset, other.offset),
            Math.min(line, other.line),
            Math.min(column, other.column)
        );
    }

    public SourcePoint nextChar() {
        return new SourcePoint(offset + 1, line, column + 1);
    }

    public SourcePoint nextLine() {
        return new SourcePoint(offset + 1, line + 1, 1);
    }

    public SourcePoint nextTab() {
        return new SourcePoint(offset + 1, line, column + 8);
    }

    public String prettyPrint() {
        return "(" + line + ", " + column + ")";
    }

    public NamedSourcePoint withSource(String source) {
        return source(source, offset, line, column);
    }
}