org.jamplate.impl.parser

Class MergeByOrderParser

java.lang.Object

org.jamplate.impl.parser.MergeByOrderParser

All Implemented Interfaces:

Parser

Direct Known Subclasses:

MergeFlatByOrderParser

public class MergeByOrderParser
extends java.lang.Object
implements Parser

A parser that merges the clashing sketches resulting from another parser going from the first to the last tree sequentially.

Since:

0.2.0 ~2021.05.18

Version:

0.2.0

Author:

LSafer

Field Summary

Fields

Modifier and Type	Field and Description
protected @NotNull Parser	parser The parser this parser is wrapping.

Constructor Summary

Constructors

Constructor and Description
MergeByOrderParser(@NotNull Parser parser) Construct a sequential clash merging parser merging the results of invoking the given parser.

Method Summary

Modifier and Type	Method and Description
protected boolean	check(@NotNull Tree previous, @NotNull Tree next) Check if the down-structure of the given next can be alongside with the given previous in its structure.
@NotNull java.util.Set<Tree>	parse(@NotNull Compilation compilation, @NotNull Tree tree) Parse the given sketch with respect to the given compilation.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

parser

@NotNull
protected final @NotNull Parser parser

The parser this parser is wrapping.

Since:

0.2.0 ~2021.05.18

Constructor Detail

MergeByOrderParser

public MergeByOrderParser(@NotNull
                          @NotNull Parser parser)

Construct a sequential clash merging parser merging the results of invoking the given parser.

Parameters:

parser - the parser the constructed parser is wrapping.

Throws:

java.lang.NullPointerException - if the given parser is null.

Since:

0.2.0 ~2021.05.17

Method Detail

parse

@NotNull
public @NotNull java.util.Set<Tree> parse(@NotNull
                                                    @NotNull Compilation compilation,
                                                    @NotNull
                                                    @NotNull Tree tree)

Description copied from interface: Parser

Parse the given sketch with respect to the given compilation.

Specified by:

parse in interface Parser

Parameters:

compilation - the compilation taking the given sketch.

tree - the sketch to be parsed.

Returns:

the parsed sketches.

check

@Contract(pure=true)
protected boolean check(@NotNull
                                              @NotNull Tree previous,
                                              @NotNull
                                              @NotNull Tree next)

Check if the down-structure of the given next can be alongside with the given previous in its structure.

Parameters:

previous - the previous tree that is always wins.

next - the slave tree that might win or might lose depending on if it clashes with the previous or not.

Returns:

true, if the given next can be with the given previous.

Throws:

java.lang.NullPointerException - if the given previous or next is null.

Since:

0.2.0 ~2021.05.18