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Code Issues Releases Wiki Activity

Make some operator-related fields protected in TreeNode.

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This should allow for the implementation of toString in child nodes.
This commit is contained in:
Danila Fedorin 2017-07-26 17:26:26 -07:00
parent 0002f14e61
commit 8754871556
1 changed files with 4 additions and 4 deletions
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8
src/org/nwapw/abacus/tree/TreeNode.java
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@ -13,7 +13,7 @@ public abstract class TreeNode {
/**
* The lexer used to lex tokens.
*/
private static Lexer<TokenType> lexer = new Lexer<TokenType>(){{
protected static Lexer<TokenType> lexer = new Lexer<TokenType>(){{
register("\\+|-|\\*|/|^", TokenType.OP);
register("[0-9]+(\\.[0-9]+)?", TokenType.NUM);
register("[a-zA-Z]+", TokenType.WORD);
@ -23,7 +23,7 @@ public abstract class TreeNode {
/**
* A map that maps operations to their precedence.
*/
private static HashMap<String, Integer> precedenceMap = new HashMap<String, Integer>(){{
protected static HashMap<String, Integer> precedenceMap = new HashMap<String, Integer>(){{
put("+", 0);
put("-", 0);
put("*", 1);
@ -33,7 +33,7 @@ public abstract class TreeNode {
/**
* A map that maps operations to their associativity.
*/
private static HashMap<String, OperatorAssociativity> associativityMap =
protected static HashMap<String, OperatorAssociativity> associativityMap =
new HashMap<String, OperatorAssociativity>() {{
put("+", OperatorAssociativity.LEFT);
put("-", OperatorAssociativity.LEFT);
@ -45,7 +45,7 @@ public abstract class TreeNode {
/**
* Comparator used to sort token types.
*/
private static Comparator<TokenType> tokenSorter = Comparator.comparingInt(e -> e.priority);
protected static Comparator<TokenType> tokenSorter = Comparator.comparingInt(e -> e.priority);
/**
* Tokenizes a string, converting it into matches