Bugfix: Uppercase hexadecimal literals were not parsed (JFlex bug?)

src/test/java/de/platon42/intellij/plugins/m68k/parser/ExpressionsTest.kt

@@ -48,6 +48,11 @@ internal class ExpressionsTest : AbstractParsingTest() {
         testGoodSyntax(testCase, " dc.w *-.label\n")
     }
 
+    @Test
+    internal fun uppercase_hexadecimal_string(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, " move.l #\$DEADBEEF,d0\n")
+    }
+
     @Test
     internal fun if_with_single_equals_comparison(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
         testGoodSyntax(testCase, " IF DEBUG=1\n")

src/test/resources/parser/expressions/uppercase_hexadecimal_string.txt

@@ -0,0 +1,18 @@
+Assembly File: a.asm
+  PsiWhiteSpace(' ')
+  M68kStatementImpl(STATEMENT)
+    M68kAsmInstructionImpl(ASM_INSTRUCTION)
+      M68kAsmOpImpl(ASM_OP)
+        PsiElement(M68kTokenType.MNEMONIC)('move')
+        M68kOperandSizeImpl(OPERAND_SIZE)
+          PsiElement(M68kTokenType.OPSIZE_L)('.l')
+      PsiWhiteSpace(' ')
+      M68kImmediateDataImpl(IMMEDIATE_DATA)
+        PsiElement(M68kTokenType.HASH)('#')
+        M68kLiteralExprImpl(LITERAL_EXPR)
+          PsiElement(M68kTokenType.HEXADECIMAL)('$DEADBEEF')
+      PsiElement(M68kTokenType.SEPARATOR)(',')
+      M68kDataRegisterDirectAddressingModeImpl(DATA_REGISTER_DIRECT_ADDRESSING_MODE)
+        M68kDataRegisterImpl(DATA_REGISTER)
+          PsiElement(M68kTokenType.DREG)('d0')
+  PsiElement(M68kTokenType.EOL)('\n')