diff options
| author | bjculkin <bjculkin@mix.wvu.edu> | 2017-03-31 08:53:33 -0400 |
|---|---|---|
| committer | bjculkin <bjculkin@mix.wvu.edu> | 2017-03-31 08:53:33 -0400 |
| commit | b4e4e7f1d6749de92b0f2c5ca09eb4170704100f (patch) | |
| tree | 110443ec91e8ff4f8e85028e27409e9bd2bb9bd4 /BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/UnaryCommand.java | |
| parent | 21db48520acfd6e6ac175aa5df12e50c6be2c767 (diff) | |
Move Pratt Parser to new project
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/UnaryCommand.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/UnaryCommand.java | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/UnaryCommand.java b/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/UnaryCommand.java deleted file mode 100644 index c608362..0000000 --- a/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/UnaryCommand.java +++ /dev/null @@ -1,47 +0,0 @@ -package bjc.utils.parserutils.pratt.commands; - -import bjc.utils.data.ITree; -import bjc.utils.data.Tree; -import bjc.utils.parserutils.ParserException; -import bjc.utils.parserutils.pratt.ParserContext; -import bjc.utils.parserutils.pratt.Token; - -/** - * A unary operator. - * - * @author bjculkin - * - * @param <K> - * The key type of the tokens. - * - * @param <V> - * The value type of the tokens. - * - * @param <C> - * The state type of the parser. - */ -public class UnaryCommand<K, V, C> extends AbstractInitialCommand<K, V, C> { - private final int nullPwer; - - /** - * Create a new unary command. - * - * @param precedence - * The precedence of this operator. - */ - public UnaryCommand(int precedence) { - if(precedence < 0) { - throw new IllegalArgumentException("Precedence must be non-negative"); - } - - nullPwer = precedence; - } - - @Override - protected ITree<Token<K, V>> intNullDenotation(Token<K, V> operator, ParserContext<K, V, C> ctx) - throws ParserException { - ITree<Token<K, V>> opr = ctx.parse.parseExpression(nullPwer, ctx.tokens, ctx.state, false); - - return new Tree<>(operator, opr); - } -}
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