From cea3e47938322b97c318dea38dc0d649e196dc1b Mon Sep 17 00:00:00 2001 From: Ben Culkin Date: Tue, 16 Aug 2022 23:03:27 -0400 Subject: Refactor to add backtracking support This probably doesn't help w/ error messages, but it enables some cool ideas where syntax can be reused in cases where it would otherwise be invalid --- .../main/java/bjc/pratt/commands/impls/InitialCommands.java | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) (limited to 'JPratt/src/main/java/bjc/pratt/commands/impls/InitialCommands.java') diff --git a/JPratt/src/main/java/bjc/pratt/commands/impls/InitialCommands.java b/JPratt/src/main/java/bjc/pratt/commands/impls/InitialCommands.java index 0cfec29..9801788 100644 --- a/JPratt/src/main/java/bjc/pratt/commands/impls/InitialCommands.java +++ b/JPratt/src/main/java/bjc/pratt/commands/impls/InitialCommands.java @@ -9,6 +9,7 @@ import java.util.function.UnaryOperator; import bjc.pratt.blocks.ParseBlock; import bjc.pratt.commands.InitialCommand; import bjc.pratt.tokens.Token; +import bjc.utils.parserutils.ParserException; import bjc.data.SimpleTree; import bjc.data.Tree; @@ -210,16 +211,6 @@ public class InitialCommands { * @return A command that implements a panfix operator */ public static InitialCommand panfix(final int precedence, final K term, final Token marker) { - return (operator, ctx) -> { - Tree> leftSide = ctx.parse.parseExpression(precedence + 1, ctx.tokens, ctx.state, false); - ctx.tokens.expect(term); - ctx.tokens.next(); - - Tree> rightSide = ctx.parse.parseExpression(precedence + 1, ctx.tokens, ctx.state, false); - ctx.tokens.expect(term); - ctx.tokens.next(); - - return new SimpleTree<>(marker, leftSide, rightSide); - }; + return new PanfixCommand(marker, term, precedence); } } \ No newline at end of file -- cgit v1.2.3