diff options
Diffstat (limited to 'chapter05/src/main/java/com')
| -rw-r--r-- | chapter05/src/main/java/com/seaofnodes/simple/Parser.java | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/chapter05/src/main/java/com/seaofnodes/simple/Parser.java b/chapter05/src/main/java/com/seaofnodes/simple/Parser.java index a66ee278..63dd7067 100644 --- a/chapter05/src/main/java/com/seaofnodes/simple/Parser.java +++ b/chapter05/src/main/java/com/seaofnodes/simple/Parser.java @@ -302,7 +302,7 @@ public class Parser { if( matchx("true" ) ) return new ConstantNode(TypeInteger.constant(1)).peephole(); if( matchx("false") ) return new ConstantNode(TypeInteger.constant(0)).peephole(); String name = _lexer.matchId(); - if( name == null) return null; + if( name == null) throw errorSyntax("an identifier or expression"); Node n = _scope.lookup(name); if( n!=null ) return n; throw error("Undefined name '" + name + "'"); |