Fix hex literal parsing

marta-file-manager · Oct 25, 2019 · ec21fbe · ec21fbe
1 parent 5e21705
commit ec21fbe
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Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/marco/parser/MarcoParser.swift b/marco/parser/MarcoParser.swift
@@ -298,6 +298,10 @@ internal class MarcoParser {
                 text.append(try state.advance())
                 parsedCount += 1
             }
+
+            guard parsedCount > 0 else {
+                throw state.unexpectedCharacter(title: "Hexadecimal literal expected")
+            }
 
             return parsedCount
         }

diff --git a/marcoTests/testData/error/hex.marco b/marcoTests/testData/error/hex.marco
@@ -0,0 +1,10 @@
+--before
+{
+    foo 0x
+}
+
+--after
+12: Hexadecimal literal expected '\n'
+
+{
+    foo 0x💥