diff options
| author | bjculkin <bjculkin@WIT-136XG42.wvu-ad.wvu.edu> | 2017-04-12 10:46:51 -0400 |
|---|---|---|
| committer | bjculkin <bjculkin@WIT-136XG42.wvu-ad.wvu.edu> | 2017-04-12 10:46:51 -0400 |
| commit | f394306a4b65a3328551f9f6b8d4abff8bfd5b27 (patch) | |
| tree | 08b0de69bf15ae49077851eecfa3ca2efbc9e736 /JPratt/src/main/java/bjc/pratt/commands/TernaryCommand.java | |
| parent | 694bed833470393ee00eae0a85bff0c6c90e692a (diff) | |
Package reorganization
Diffstat (limited to 'JPratt/src/main/java/bjc/pratt/commands/TernaryCommand.java')
| -rw-r--r-- | JPratt/src/main/java/bjc/pratt/commands/TernaryCommand.java | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/JPratt/src/main/java/bjc/pratt/commands/TernaryCommand.java b/JPratt/src/main/java/bjc/pratt/commands/TernaryCommand.java deleted file mode 100644 index 2e12050..0000000 --- a/JPratt/src/main/java/bjc/pratt/commands/TernaryCommand.java +++ /dev/null @@ -1,77 +0,0 @@ -package bjc.pratt.commands; - -import bjc.pratt.ParseBlock; -import bjc.pratt.ParserContext; -import bjc.pratt.Token; -import bjc.utils.data.ITree; -import bjc.utils.data.Tree; -import bjc.utils.parserutils.ParserException; - -/** - * A ternary command, like C's ?: - * - * @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 TernaryCommand<K, V, C> extends BinaryPostCommand<K, V, C> { - private final ParseBlock<K, V, C> innerBlck; - - private final Token<K, V> mark; - - private final boolean nonassoc; - - /** - * Create a new ternary command. - * - * @param precedence - * The precedence of this operator. - * - * @param innerBlock - * The representation of the inner block of the - * expression. - * - * @param marker - * The token to use as the root of the AST node. - * - * @param isNonassoc - * Whether or not the conditional is associative. - */ - public TernaryCommand(final int precedence, final ParseBlock<K, V, C> innerBlock, final Token<K, V> marker, - final boolean isNonassoc) { - super(precedence); - - if (innerBlock == null) - throw new NullPointerException("Inner block must not be null"); - else if (marker == null) throw new NullPointerException("Marker must not be null"); - - innerBlck = innerBlock; - mark = marker; - nonassoc = isNonassoc; - } - - @Override - public ITree<Token<K, V>> denote(final ITree<Token<K, V>> operand, final Token<K, V> operator, - final ParserContext<K, V, C> ctx) throws ParserException { - final ITree<Token<K, V>> inner = innerBlck.parse(ctx); - - final ITree<Token<K, V>> outer = ctx.parse.parseExpression(1 + leftBinding(), ctx.tokens, ctx.state, - false); - - return new Tree<>(mark, inner, operand, outer); - } - - @Override - public int nextBinding() { - if (nonassoc) return leftBinding() - 1; - - return leftBinding(); - } -}
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