From 15a2b29e48f134bc93cfd0a3d8512001e9242f3d Mon Sep 17 00:00:00 2001 From: Benjamin Culkin Date: Mon, 3 Jun 2024 17:33:53 -0400 Subject: Rename package to new domain Rename the package to the new domain --- .../pratt/commands/impls/PostCircumfixCommand.java | 64 ++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 JPratt/src/main/java/com/ashardalon/pratt/commands/impls/PostCircumfixCommand.java (limited to 'JPratt/src/main/java/com/ashardalon/pratt/commands/impls/PostCircumfixCommand.java') diff --git a/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/PostCircumfixCommand.java b/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/PostCircumfixCommand.java new file mode 100644 index 0000000..c5b60a1 --- /dev/null +++ b/JPratt/src/main/java/com/ashardalon/pratt/commands/impls/PostCircumfixCommand.java @@ -0,0 +1,64 @@ +package com.ashardalon.pratt.commands.impls; + +import bjc.data.Tree; + +import com.ashardalon.pratt.ParserContext; +import com.ashardalon.pratt.blocks.ParseBlock; +import com.ashardalon.pratt.commands.BinaryPostCommand; +import com.ashardalon.pratt.commands.CommandResult; +import com.ashardalon.pratt.commands.CommandResult.Status; +import com.ashardalon.pratt.tokens.Token; + +import bjc.data.SimpleTree; +import bjc.utils.parserutils.ParserException; + +/** + * A post-circumfix operator, like array indexing. + * + * @author bjculkin + * + * @param + * The key type of the tokens. + * + * @param + * The value type of the tokens. + * + * @param + * The state type of the parser. + */ +public class PostCircumfixCommand extends BinaryPostCommand { + private final ParseBlock innerBlock; + + private final Token mark; + + /** + * Create a new post-circumfix operator. + * + * @param precedence + * The precedence of the operator. + * + * @param inner + * The block inside the expression. + * + * @param marker + * The token to use as the node for the AST. + */ + public PostCircumfixCommand(final int precedence, final ParseBlock inner, final Token marker) { + super(precedence); + + if(inner == null) throw new NullPointerException("Inner block must not be null"); + + innerBlock = inner; + + mark = marker; + } + + @Override + public CommandResult denote(final Tree> operand, final Token operator, + final ParserContext ctx) throws ParserException { + final CommandResult insideRes = innerBlock.parse(ctx); + if (insideRes.status != Status.SUCCESS) return insideRes; + Tree> inside = insideRes.success(); + return CommandResult.success(new SimpleTree<>(mark, operand, inside)); + } +} \ No newline at end of file -- cgit v1.2.3