add sourcecode.Column

README.md

@@ -58,6 +58,7 @@ The kinds of compilation-time data that `sourcecode` provides are:
 
 - `sourcecode.File`: full path of the current file where the call occurs
 - `sourcecode.Line`: current line number
+- `sourcecode.Column`: column number within the current line
 - `sourcecode.Name`: the name of the nearest enclosing definition: `val`,
   `class`, whatever.
 - `sourcecode.FullName`: the name of the nearest enclosing definition: `val`,

sourcecode/shared/src/main/scala/sourcecode/SourceContext.scala

@@ -84,6 +84,15 @@ object Line extends SourceCompanion[Int, Line](new Line(_)){
     c.Expr[sourcecode.Line](q"""${c.prefix}($line)""")
   }
 }
+case class Column(value: Int) extends SourceValue[Int]
+object Column extends SourceCompanion[Int, Line](new Line(_)){
+  implicit def generate: sourcecode.Column = macro impl
+  def impl(c: Compat.Context): c.Expr[sourcecode.Column] = {
+    import c.universe._
+    val column = c.enclosingPosition.column
+    c.Expr[sourcecode.Column](q"""${c.prefix}($column)""")
+  }
+}
 case class Enclosing(value: String) extends SourceValue[String]
 
 object Enclosing extends SourceCompanion[String, Enclosing](new Enclosing(_)){

sourcecode/shared/src/test/scala/sourcecode/Implicits.scala

@@ -20,6 +20,9 @@ object Implicits {
     val line = implicitly[sourcecode.Line]
     assert(line.value == 20)
 
+    val column = implicitly[sourcecode.Column]
+    assert(column.value == 28, column.value)
+
     lazy val myLazy = {
       trait Bar{
         val name = implicitly[sourcecode.Name]
@@ -32,7 +35,10 @@ object Implicits {
         assert(file.value.endsWith("/sourcecode/shared/src/test/scala/sourcecode/Implicits.scala"))
 
         val line = implicitly[sourcecode.Line]
-        assert(line.value == 34)
+        assert(line.value == 37)
+
+        val column = implicitly[sourcecode.Column]
+        assert(column.value == 32, column.value)
 
         val enclosing = implicitly[sourcecode.Enclosing]
         assert(