Change import hoisting to only hoist imports in Kotlin blocks

Prevents imports in plain text (e.g. a code sample) from unintentionally being hoisted)

src/main/kotlin/net/shadowfacts/ekt/EKT.kt

@@ -52,6 +52,13 @@ _result.toString()
 
 		@Suppress("NAME_SHADOWING")
 		var template = template
+		val lines = template.split("\n")
+		val isImport: (String) -> Boolean = {
+			val trimmed = it.trim()
+			trimmed.startsWith("[: import") || trimmed.startsWith("[:import")
+		}
+		val imports = lines.filter(isImport).joinToString("\n") { it.substring(2, it.length - 2) }
+		template = lines.filterNot(isImport).joinToString("\n")
 		template = template.replace("$", "\${'$'}")
 		template = ":]$template[:"
 		template = template.replace(startStringRegex, {
@@ -71,10 +78,6 @@ _result.toString()
 			}
 		})
 
-		val lines = template.split("\n")
-		val imports = lines.filter { it.trim().startsWith("import") }.joinToString("\n")
-		template = lines.filterNot { it.trim().startsWith("import") }.joinToString("\n")
-
 		val script = imports + scriptPrefix + template + scriptSuffix
 
 		if (env.cacheDir != null) {

src/test/kotlin/net/shadowfacts/ekt/Test.kt

@@ -8,14 +8,16 @@ import kotlin.concurrent.thread
  * @author shadowfacts
  */
 fun main(args: Array<String>) {
-	println(ManagementFactory.getRuntimeMXBean().name)
+	File("output.txt").writeText(render())
 
-	for (i in 0..99) {
-		println("Rendering $i")
-		render()
-	}
-
-	println("done")
+//	println(ManagementFactory.getRuntimeMXBean().name)
+//
+//	for (i in 0..99) {
+//		println("Rendering $i")
+//		render()
+//	}
+//
+//	println("done")
 
 //	thread {
 //		for (i in 0..30) {

src/test/resources/templates/template.ekt

@@ -8,6 +8,10 @@ Environment type: [= _env::class.simpleName =]
 
 Sum: [= list.sum() =]
 
+<pre>
+	import a.b.c;
+</pre>
+
 [:
 include("include") {
 	"foo" to "bar"