test: rule arguments

antlr-kotlin-tests/antlr/SizedList.g4

@@ -0,0 +1,29 @@
+grammar SizedList;
+
+stringList:
+  size=int
+  items=stringSequence[$size.value]
+  EOF;
+
+int returns [value: Int]:
+  NUM
+  {
+    $value = $NUM.text.toInt()
+  };
+
+stringSequence[count: Int] returns [value: MutableList<String>] locals [remaining: Int]:
+    {
+        $value = mutableListOf<String>()
+        $remaining = $count
+    }
+    (
+        {$remaining!! > 0}? STRING
+        {
+            $value!! += $STRING.text
+            $remaining = $remaining!! - 1
+        }
+    )*;
+
+STRING: [a-z]+;
+NUM: [0-9]+;
+WHITESPACE: [ \t\r\n]+ -> skip;

antlr-kotlin-tests/src/commonTest/kotlin/com/strumenta/antlrkotlin/test/grammars/SizedListGrammarTest.kt

@@ -0,0 +1,24 @@
+package com.strumenta.antlrkotlin.test.grammars
+
+import com.strumenta.antlrkotlin.test.GrammarTest
+import com.strumenta.antlrkotlin.test.generated.SizedListLexer
+import com.strumenta.antlrkotlin.test.generated.SizedListParser
+import org.antlr.v4.kotlinruntime.CharStream
+import org.antlr.v4.kotlinruntime.TokenStream
+
+@Suppress("unused")
+class SizedListGrammarTest : GrammarTest<SizedListLexer, SizedListParser>() {
+  override fun createLexer(input: CharStream) = SizedListLexer(input)
+
+  override fun createParser(input: TokenStream) = SizedListParser(input)
+
+  override fun setupTreeTestRuns(runs: MutableSet<LispTestRun>) {
+    runs += LispTestRun("sizedList/five.sl", "sizedList/five.sl.tree")
+  }
+
+  override fun setupErrorsTestRuns(runs: MutableSet<ErrorsTestRun>) {
+    runs += ErrorsTestRun("sizedList/oneTooMany.sl", "sizedList/oneTooMany.sl.errors")
+  }
+
+  override fun getTree(parser: SizedListParser) = parser.stringList()
+}

antlr-kotlin-tests/src/commonTest/resources/sizedList/five.sl

@@ -0,0 +1,6 @@
+5
+one
+two
+three
+four
+five

antlr-kotlin-tests/src/commonTest/resources/sizedList/five.sl.tree

@@ -0,0 +1 @@
+(stringList (int 5) (stringSequence one two three four five) <EOF>)

antlr-kotlin-tests/src/commonTest/resources/sizedList/oneTooMany.sl

@@ -0,0 +1,7 @@
+5
+one
+two
+three
+four
+five
+six

antlr-kotlin-tests/src/commonTest/resources/sizedList/oneTooMany.sl.errors

@@ -0,0 +1 @@
+line 7:0 no viable alternative at input 'six'