idea: implement function call completion (limited)

tool/src/main/kotlin/gay/pizza/pork/tool/CopyStdlibCommand.kt

@@ -0,0 +1,26 @@
+package gay.pizza.pork.tool
+
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.parameters.arguments.argument
+import com.github.ajalt.clikt.parameters.arguments.default
+import gay.pizza.dough.fs.PlatformFsProvider
+import gay.pizza.dough.fs.createDirectories
+import gay.pizza.dough.fs.exists
+import gay.pizza.dough.fs.writeString
+import gay.pizza.pork.parser.readToString
+import gay.pizza.pork.stdlib.PorkStdlib
+
+class CopyStdlibCommand : CliktCommand(help = "Copy Stdlib", name = "copy-stdlib") {
+  val output by argument("output").default("stdlib")
+
+  override fun run() {
+    val outputFsPath = PlatformFsProvider.resolve(output)
+    for (filePath in PorkStdlib.files) {
+      val outputFilePath = outputFsPath.resolve(filePath)
+      if (outputFilePath.parent?.exists() == false) {
+        outputFilePath.parent?.createDirectories()
+      }
+      outputFilePath.writeString(PorkStdlib.loadAsCharSource(filePath).readToString())
+    }
+  }
+}

tool/src/main/kotlin/gay/pizza/pork/tool/RootCommand.kt

@@ -16,7 +16,8 @@ class RootCommand : CliktCommand(
       ParseCommand(),
       AstCommand(),
       AttributeCommand(),
-      ScopeAnalysisCommand()
+      ScopeAnalysisCommand(),
+      CopyStdlibCommand()
     )
   }