ErrorCollector.java

net.minecraft.util.parsing.packrat.ErrorCollector

信息

• 全限定名：net.minecraft.util.parsing.packrat.ErrorCollector
• 类型：public interface
• 包：net.minecraft.util.parsing.packrat
• 源码路径：src/main/java/net/minecraft/util/parsing/packrat/ErrorCollector.java
• 起始行号：L8
• 职责：

  TODO

字段/常量

• 无

内部类/嵌套类型

• net.minecraft.util.parsing.packrat.ErrorCollector.LongestOnly

  • 类型: class
  • 修饰符: public static
  • 源码定位: L17
  • 说明:

    TODO

• net.minecraft.util.parsing.packrat.ErrorCollector.LongestOnly.MutableErrorEntry

  • 类型: class
  • 修饰符: private static
  • 源码定位: L82
  • 说明:

    TODO

• net.minecraft.util.parsing.packrat.ErrorCollector.Nop

  • 类型: class
  • 修饰符: public static
  • 源码定位: L88
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

void store(int cursor, SuggestionSupplier<S> suggestions, Object reason) @ L9

• 方法名：store
• 源码定位：L9
• 返回类型：void
• 修饰符：package-private

参数:

• cursor: int
• suggestions: SuggestionSupplier
• reason: Object

说明:

TODO

default void store(int cursor, Object reason) @ L11

• 方法名：store
• 源码定位：L11
• 返回类型：void
• 修饰符：default

参数:

• cursor: int
• reason: Object

说明:

TODO

void finish(int finalCursor) @ L15

• 方法名：finish
• 源码定位：L15
• 返回类型：void
• 修饰符：package-private

参数:

• finalCursor: int

说明:

TODO

代码

public interface ErrorCollector<S> {
    void store(int cursor, SuggestionSupplier<S> suggestions, Object reason);
 
    default void store(int cursor, Object reason) {
        this.store(cursor, SuggestionSupplier.empty(), reason);
    }
 
    void finish(int finalCursor);
 
    public static class LongestOnly<S> implements ErrorCollector<S> {
        private ErrorCollector.LongestOnly.@Nullable MutableErrorEntry<S>[] entries = new ErrorCollector.LongestOnly.MutableErrorEntry[16];
        private int nextErrorEntry;
        private int lastCursor = -1;
 
        private void discardErrorsFromShorterParse(int cursor) {
            if (cursor > this.lastCursor) {
                this.lastCursor = cursor;
                this.nextErrorEntry = 0;
            }
        }
 
        @Override
        public void finish(int finalCursor) {
            this.discardErrorsFromShorterParse(finalCursor);
        }
 
        @Override
        public void store(int cursor, SuggestionSupplier<S> suggestions, Object reason) {
            this.discardErrorsFromShorterParse(cursor);
            if (cursor == this.lastCursor) {
                this.addErrorEntry(suggestions, reason);
            }
        }
 
        private void addErrorEntry(SuggestionSupplier<S> suggestions, Object reason) {
            int currentSize = this.entries.length;
            if (this.nextErrorEntry >= currentSize) {
                int newSize = Util.growByHalf(currentSize, this.nextErrorEntry + 1);
                ErrorCollector.LongestOnly.MutableErrorEntry<S>[] newEntries = new ErrorCollector.LongestOnly.MutableErrorEntry[newSize];
                System.arraycopy(this.entries, 0, newEntries, 0, currentSize);
                this.entries = newEntries;
            }
 
            int entryIndex = this.nextErrorEntry++;
            ErrorCollector.LongestOnly.MutableErrorEntry<S> entry = this.entries[entryIndex];
            if (entry == null) {
                entry = new ErrorCollector.LongestOnly.MutableErrorEntry<>();
                this.entries[entryIndex] = entry;
            }
 
            entry.suggestions = suggestions;
            entry.reason = reason;
        }
 
        public List<ErrorEntry<S>> entries() {
            int errorCount = this.nextErrorEntry;
            if (errorCount == 0) {
                return List.of();
            } else {
                List<ErrorEntry<S>> result = new ArrayList<>(errorCount);
 
                for (int i = 0; i < errorCount; i++) {
                    ErrorCollector.LongestOnly.MutableErrorEntry<S> entry = this.entries[i];
                    result.add(new ErrorEntry<>(this.lastCursor, entry.suggestions, entry.reason));
                }
 
                return result;
            }
        }
 
        public int cursor() {
            return this.lastCursor;
        }
 
        private static class MutableErrorEntry<S> {
            private SuggestionSupplier<S> suggestions = SuggestionSupplier.empty();
            private Object reason = "empty";
        }
    }
 
    public static class Nop<S> implements ErrorCollector<S> {
        @Override
        public void store(int cursor, SuggestionSupplier<S> suggestions, Object reason) {
        }
 
        @Override
        public void finish(int finalCursor) {
        }
    }
}

引用的其他类

• LoggedChatMessage

  • 引用位置: 方法调用
  • 关联成员: System.arraycopy()

• Util

  • 引用位置: 方法调用
  • 关联成员: Util.growByHalf()

• SuggestionSupplier

  • 引用位置: 参数/方法调用
  • 关联成员: SuggestionSupplier.empty()