Merge pull request #30 from 422404/fix/token-column-number

Nodes column number now starts at 1 as it should be

src/main/kotlin/org/actorlang/parser/impl/AntlrParser.kt

@@ -50,7 +50,7 @@ class AntlrParser : ActorLangBaseVisitor<Node>(), Parser {
     }
 
     private fun sourcePosition(token: Token) =
-        Position(token.line, token.charPositionInLine, token.inputStream.sourceName)
+        Position(token.line, token.charPositionInLine + 1, token.inputStream.sourceName)
 
     private fun createBinaryOpOrExpressionNode(
         type: BinaryOpType,

src/test/kotlin/org/actorlang/parser/impl/AntlrParserTest.kt

@@ -0,0 +1,15 @@
+package org.actorlang.parser.impl
+
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+
+class AntlrParserTest {
+
+    @Test
+    fun `Nodes line and column both start at 1`() {
+        val parser = AntlrParserFactory().createParser()
+        val rootNode = parser.parse("a = 42", "<test>")
+        assertEquals(1, rootNode.startPosition.line)
+        assertEquals(1, rootNode.startPosition.column)
+    }
+}