Package net.hydromatic.morel.ast

Class Pos

java.lang.Object

net.hydromatic.morel.ast.Pos

public class Pos
extends java.lang.Object

Position of a parse-tree node.

Field Summary

Fields

Modifier and Type	Field	Description
int	endColumn
int	endLine
int	startColumn
int	startLine
static Pos	ZERO

Constructor Summary

Constructors

Constructor	Description
Pos(int startLine, int startColumn, int endLine, int endColumn)	Creates a Pos.

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)
int	hashCode()
Pos	plus(Pos pos)
Pos	plusAll(java.lang.Iterable<Pos> poses)
Pos	plusAll(java.util.List<? extends AstNode> nodes)
static <E> Pos	sum(java.lang.Iterable<E> elements, java.util.function.Function<E,Pos> fn)
static Pos	sum(java.lang.Iterable<Pos> poses)	Combines an iterable of parser positions to create a position which spans from the beginning of the first to the end of the last.
private static Pos	sum(java.lang.Iterable<Pos> poses, int line, int column, int endLine, int endColumn)	Computes the parser position which is the sum of an array of parser positions and of a parser position represented by (line, column, endLine, endColumn).
static Pos	sum(java.util.List<? extends AstNode> nodes)
private static Pos	sum_(java.util.List<Pos> positions)	Combines a list of parser positions to create a position which spans from the beginning of the first to the end of the last.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ZERO

public static final Pos ZERO

startLine

public final int startLine

startColumn

public final int startColumn

endLine

public final int endLine

endColumn

public final int endColumn

Constructor Detail

Pos

public Pos(int startLine,
           int startColumn,
           int endLine,
           int endColumn)

Creates a Pos.

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

sum

public static Pos sum(java.lang.Iterable<Pos> poses)

Combines an iterable of parser positions to create a position which spans from the beginning of the first to the end of the last.

sum

public static <E> Pos sum(java.lang.Iterable<E> elements,
                          java.util.function.Function<E,Pos> fn)

sum

public static Pos sum(java.util.List<? extends AstNode> nodes)

sum_

private static Pos sum_(java.util.List<Pos> positions)

Combines a list of parser positions to create a position which spans from the beginning of the first to the end of the last.

sum

private static Pos sum(java.lang.Iterable<Pos> poses,
                       int line,
                       int column,
                       int endLine,
                       int endColumn)

Computes the parser position which is the sum of an array of parser positions and of a parser position represented by (line, column, endLine, endColumn).

Parameters:

poses - Array of parser positions

line - Start line

column - Start column

endLine - End line

endColumn - End column

Returns:

Sum of parser positions

plus

public Pos plus(Pos pos)

plusAll

public Pos plusAll(java.lang.Iterable<Pos> poses)

plusAll

public Pos plusAll(@Nonnull
                   java.util.List<? extends AstNode> nodes)