From 0a669bf5fa11a63516ea8f5316b0079c2eee4bde Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Sat, 28 Oct 2023 20:35:29 -0700
Subject: Update README

Add true/false
---
 chapter05/src/main/java/com/seaofnodes/simple/Parser.java | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'chapter05/src/main/java/com/seaofnodes')

diff --git a/chapter05/src/main/java/com/seaofnodes/simple/Parser.java b/chapter05/src/main/java/com/seaofnodes/simple/Parser.java
index 3e832610..a23f8d70 100644
--- a/chapter05/src/main/java/com/seaofnodes/simple/Parser.java
+++ b/chapter05/src/main/java/com/seaofnodes/simple/Parser.java
@@ -280,17 +280,19 @@ public class Parser {
      * Parse a primary expression:
      *
      * <pre>
-     *     primaryExpr : integerLiteral | Identifier | '(' expression ')'
+     *     primaryExpr : integerLiteral | Identifier | true | false | '(' expression ')'
      * </pre>
      */
     private Node parsePrimary() {
-        if (_lexer.isNumber()) return parseIntegerLiteral();
-        if (match("(")) return require(parseExpression(), ")");
+        if( _lexer.isNumber() ) return parseIntegerLiteral();
+        if( match("(") ) return require(parseExpression(), ")");
+        if( match("true" ) ) return new ConstantNode(TypeInteger.constant(1)).peephole();
+        if( match("false") ) return new ConstantNode(TypeInteger.constant(0)).peephole();
         String name = requireId();
         Node id = _scope.lookup(name);
         if( id==null )
             throw error("Undefined name '" + name + "'");
-        return id.peephole();
+        return id;
     }
 
     /**
-- 
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