diff options
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java')
| -rw-r--r-- | BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java b/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java new file mode 100644 index 0000000..04604be --- /dev/null +++ b/BJC-Utils2/src/main/java/bjc/utils/parserutils/pratt/commands/PreTernaryCommand.java @@ -0,0 +1,45 @@ +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; + +public class PreTernaryCommand<K, V, C> extends AbstractInitialCommand<K, V, C> { + private int cond1; + private int block1; + private int block2; + + private K mark1; + private K mark2; + + private Token<K, V> term; + + public PreTernaryCommand(int cond1, int block1, int block2, K mark1, K mark2, Token<K, V> term) { + super(); + this.cond1 = cond1; + this.block1 = block1; + this.block2 = block2; + this.mark1 = mark1; + this.mark2 = mark2; + this.term = term; + } + + @SuppressWarnings("unchecked") + @Override + protected ITree<Token<K, V>> intNullDenotation(Token<K, V> operator, ParserContext<K, V, C> ctx) + throws ParserException { + ITree<Token<K, V>> cond = ctx.parse.parseExpression(cond1, ctx.tokens, ctx.state, false); + + ctx.tokens.expect(mark1); + + ITree<Token<K, V>> fstBlock = ctx.parse.parseExpression(block1, ctx.tokens, ctx.state, false); + + ctx.tokens.expect(mark2); + + ITree<Token<K, V>> sndBlock = ctx.parse.parseExpression(block2, ctx.tokens, ctx.state, false); + + return new Tree<>(term, cond, fstBlock, sndBlock); + } +}
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