Added first tests, improved BNF and Lexer. Fixed extra space in assignment symbol.

src/test/java/de/platon42/intellij/plugins/m68k/AbstractM68kTest.kt

@@ -0,0 +1,16 @@
+package de.platon42.intellij.plugins.m68k
+
+import org.junit.jupiter.api.DisplayNameGeneration
+import org.junit.jupiter.api.DisplayNameGenerator
+import java.lang.reflect.Method
+
+@DisplayNameGeneration(AbstractM68kTest.CutOffFixtureDisplayNameGenerator::class)
+abstract class AbstractM68kTest {
+
+    class CutOffFixtureDisplayNameGenerator : DisplayNameGenerator.ReplaceUnderscores() {
+        override fun generateDisplayNameForMethod(testClass: Class<*>?, testMethod: Method?): String {
+            val nameForMethod = super.generateDisplayNameForMethod(testClass, testMethod)
+            return nameForMethod.substringBefore("$")
+        }
+    }
+}

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

@@ -0,0 +1,24 @@
+package de.platon42.intellij.plugins.m68k.parser
+
+import de.platon42.intellij.jupiter.MyParser
+import de.platon42.intellij.jupiter.ParsingTestExtension
+import de.platon42.intellij.jupiter.TestDataPath
+import de.platon42.intellij.plugins.m68k.AbstractM68kTest
+import org.junit.jupiter.api.extension.ExtendWith
+
+@ExtendWith(ParsingTestExtension::class)
+@TestDataPath("src/test/resources/parser")
+@MyParser(value = M68kParserDefinition::class, extension = "asm")
+abstract class AbstractParsingTest : AbstractM68kTest() {
+
+    fun testGoodSyntax(testCase: ParsingTestExtension.IParsingTestCase, code: String) {
+        testCase.doCodeTest(code)
+        testCase.ensureCorrectReparse()
+        testCase.ensureNoErrorElements()
+    }
+
+    fun testBadSyntax(testCase: ParsingTestExtension.IParsingTestCase, code: String) {
+        testCase.doCodeTest(code)
+        testCase.ensureCorrectReparse()
+    }
+}

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

@@ -0,0 +1,25 @@
+package de.platon42.intellij.plugins.m68k.parser
+
+import de.platon42.intellij.jupiter.MyTestCase
+import de.platon42.intellij.jupiter.ParserResultFile
+import de.platon42.intellij.jupiter.ParsingTestExtension
+import de.platon42.intellij.jupiter.TestDataSubPath
+import org.junit.jupiter.api.Test
+
+@TestDataSubPath("basic")
+internal class BasicAsmInstTest : AbstractParsingTest() {
+
+    @Test
+    @ParserResultFile("basic_block_of_code")
+    internal fun parser_can_parse_basic_block_of_code(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(
+                testCase, "\tadd.l d0,d0\n"
+                + "\tmoveq #10,d1\n"
+                + " rts\n"
+                + "\n"
+                + "; comment\n"
+                + "    jmp\tresetcode ; unreachable\n"
+                + "  \n"
+        )
+    }
+}

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

@@ -0,0 +1,50 @@
+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("comments")
+internal class CommentsTest : AbstractParsingTest() {
+
+    @Test
+    internal fun asterisk_comment_at_sol(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "*********** comment\n")
+    }
+
+    @Test
+    internal fun asterisk_comment_after_space(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "    *********** comment\n")
+    }
+
+    @Test
+    internal fun hash_comment_at_sol(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "#comment   \n")
+    }
+
+    @Test
+    internal fun hash_comment_after_space(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "    #comment  \n")
+    }
+
+    @Test
+    internal fun semicolon_comment_at_sol(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "; comment  \n")
+    }
+
+    @Test
+    internal fun semicolon_comment_after_space(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "    ; comment  \n")
+    }
+
+    @Test
+    internal fun empty_and_blank_lines(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "; hi\n\n\n  * foo\n\n\n    \n\n # bar\n\n")
+    }
+
+    @Test
+    internal fun end_of_line_comments(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "foo = 1234; hi\n\n\nlabel; foo\n\n\n add.w d0,d0;narf   \n\n")
+    }
+}

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

@@ -0,0 +1,87 @@
+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("labels")
+internal class LabelsTest : AbstractParsingTest() {
+
+    @Test
+    internal fun plain_global_label(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "Global_Label\n")
+    }
+
+    @Test
+    internal fun global_label_with_colon(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "Global_Label:\n")
+    }
+
+    @Test
+    internal fun external_label_with_double_colon(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "External_Label::\n")
+    }
+
+    @Test
+    internal fun indented_global_label_with_colon(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "   Global_Label:\n")
+    }
+
+    @Test
+    internal fun indented_external_label_with_double_colon(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "   External_Label::\n")
+    }
+
+    @Test
+    internal fun plain_dot_local_label(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, ".local_label\n")
+    }
+
+    @Test
+    internal fun dot_local_label_with_colon(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, ".local_label:\n")
+    }
+
+    @Test
+    internal fun indented_dot_local_label_with_colon(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "\t.local_label:\n")
+    }
+
+    @Test
+    internal fun plain_local_label_dollar(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "local_label$\n")
+    }
+
+    @Test
+    internal fun local_label_dollar_with_colon(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "local_label$:\n")
+    }
+
+    @Test
+    internal fun indented_local_label_dollar_with_colon(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(testCase, "   local_label$:\n")
+    }
+
+    @Test
+    internal fun bad_indented_dot_local_label_without_label(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testBadSyntax(testCase, "   .local_label\n")
+    }
+
+    @Test
+    internal fun bad_indented_local_label_dollar_without_label(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testBadSyntax(testCase, "   local_label$\n")
+    }
+
+    @Test
+    internal fun complex_label_test(@MyTestCase testCase: ParsingTestExtension.IParsingTestCase) {
+        testGoodSyntax(
+                testCase, "start_demo: ; here we will do some cool stuff\n"
+                + ".outerloop moveq.l #17-1,d7 ; this is the outer loop\n"
+                + "innerloop$ move.l (a0)+,(a1)+ ; copy stuff\n"
+                + "   dbne d7,innerloop$ ; copy more\n"
+                + " .skip: bne.s .outerloop ; end of chunk?\n"
+                + "  GlobalExit:: rts\n"
+        )
+    }
+}