'END' directive stops parsing. Prepared next release.

src/main/gen/de/platon42/intellij/plugins/m68k/lexer/_M68kLexer.java

@@ -624,11 +624,11 @@ public class _M68kLexer implements FlexLexer {
     /**
      * Refills the input buffer.
      *
-     * @return {@code false}, iff there was new input.
+     * @return {@code false}, iff there was NO new input.
      * @throws java.io.IOException if any I/O-Error occurs
      */
     private boolean zzRefill() throws java.io.IOException {
-        return true;
+        return !zzAtEOF;
     }
 
 
@@ -871,6 +871,11 @@ public class _M68kLexer implements FlexLexer {
                             yybegin(ASMINSTR);
                             return MNEMONIC;
                         }
+                        if (isEndDirective(yytext())) {
+                            yybegin(YYINITIAL);
+                            zzAtEOF = true;
+                            return null;
+                        }
                         if (isDataDirective(yytext())) {
                             startExpr(EXPR, EXPR_OP);
                             return DATA_DIRECTIVE;

src/main/java/de/platon42/intellij/plugins/m68k/asm/AssemblerDirectives.kt

@@ -57,6 +57,8 @@ object AssemblerDirectives {
         "machine", "mc68000", "mc68010", "mc68020", "mc68030", "mc68040", "mc68060",
         "fpu",
 
-        "basereg", "endb", "far", "near", "initnear"
+        "basereg", "endb", "far", "near", "initnear",
+
+        "end"
     )
 }

src/main/java/de/platon42/intellij/plugins/m68k/lexer/LexerUtil.kt

@@ -19,6 +19,9 @@ object LexerUtil {
             && text.dropLast(1).endsWith('.')
             && mnemonics.contains(text.dropLast(2).toString().lowercase())
 
+    @JvmStatic
+    fun isEndDirective(text: CharSequence) = text.contentEquals("end", ignoreCase = true)
+
     @JvmStatic
     fun isDataDirective(text: CharSequence) = AssemblerDirectives.dataDirectives.contains(text.toString().lowercase())
 

src/main/java/de/platon42/intellij/plugins/m68k/lexer/_M68kLexer.flex

@@ -117,6 +117,7 @@ PLAIN_MACRO_LINE=[^;\r\n]+
   {DIRECTIVE_KEYWORD} {
                         if(isAsmMnemonicWithSize(yytext())) { yybegin(ASMINSTR); yypushback(2); return MNEMONIC; }
                         if(isAsmMnemonic(yytext())) { yybegin(ASMINSTR); return MNEMONIC; }
+                        if(isEndDirective(yytext())) { yybegin(YYINITIAL); zzAtEOF = true; return null; }
                         if(isDataDirective(yytext())) { startExpr(EXPR, EXPR_OP); return DATA_DIRECTIVE; }
                         if(isPlainDirective(yytext())) { yybegin(PLAINPARAMS); return OTHER_DIRECTIVE; }
                         if(isOtherDirective(yytext())) { startExpr(EXPR, EXPR_OP); return OTHER_DIRECTIVE; }

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

@@ -0,0 +1,22 @@
+package de.platon42.intellij.plugins.m68k.parser
+
+import de.platon42.intellij.jupiter.MyTestCase
+import de.platon42.intellij.jupiter.ParsingTestExtension
+import de.platon42.intellij.jupiter.TestDataSubPath
+import org.junit.jupiter.api.Test
+
+@TestDataSubPath("directives")
+internal class EndDirectiveTest : AbstractParsingTest() {
+
+    @Test
+    internal fun end_directive(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(
+            testCase, """
+ moveq.l #0,d0
+ rts
+ END narf
+ äöö#öä235r2352ou485742q3535p3ü
+"""
+        )
+    }
+}

src/test/resources/parser/directives/end_directive.txt

@@ -0,0 +1,26 @@
+Assembly File: a.asm
+  PsiWhiteSpace('\n')
+  PsiWhiteSpace(' ')
+  M68kStatementImpl(STATEMENT)
+    M68kAsmInstructionImpl(ASM_INSTRUCTION)
+      M68kAsmOpImpl(ASM_OP)
+        PsiElement(M68kTokenType.MNEMONIC)('moveq')
+        M68kOperandSizeImpl(OPERAND_SIZE)
+          PsiElement(M68kTokenType.OPSIZE_L)('.l')
+      PsiWhiteSpace(' ')
+      M68kImmediateDataImpl(IMMEDIATE_DATA)
+        PsiElement(M68kTokenType.HASH)('#')
+        M68kLiteralExprImpl(LITERAL_EXPR)
+          PsiElement(M68kTokenType.DECIMAL)('0')
+      PsiElement(M68kTokenType.SEPARATOR)(',')
+      M68kDataRegisterDirectAddressingModeImpl(DATA_REGISTER_DIRECT_ADDRESSING_MODE)
+        M68kDataRegisterImpl(DATA_REGISTER)
+          PsiElement(M68kTokenType.DREG)('d0')
+  PsiElement(M68kTokenType.EOL)('\n')
+  PsiWhiteSpace(' ')
+  M68kStatementImpl(STATEMENT)
+    M68kAsmInstructionImpl(ASM_INSTRUCTION)
+      M68kAsmOpImpl(ASM_OP)
+        PsiElement(M68kTokenType.MNEMONIC)('rts')
+  PsiElement(M68kTokenType.EOL)('\n')
+  PsiWhiteSpace(' END narf\n äöö#öä235r2352ou485742q3535p3ü\n')