An actual command line tool to run pork programs.

src/main/kotlin/gay/pizza/pork/cli/GenerateKotlinCommand.kt

@@ -0,0 +1,23 @@
+package gay.pizza.pork.cli
+
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.parameters.arguments.argument
+import com.github.ajalt.clikt.parameters.types.path
+import gay.pizza.pork.compiler.KotlinCompiler
+import gay.pizza.pork.parse.PorkParser
+import gay.pizza.pork.parse.PorkTokenizer
+import gay.pizza.pork.parse.StringCharSource
+import gay.pizza.pork.parse.TokenStreamSource
+import kotlin.io.path.readText
+
+class GenerateKotlinCommand : CliktCommand(help = "Generate Kotlin Code", name = "generate-kotlin") {
+  val path by argument("file").path(mustExist = true, canBeDir = false)
+
+  override fun run() {
+    val content = path.readText()
+    val tokenStream = PorkTokenizer(StringCharSource(content)).tokenize()
+    val program = PorkParser(TokenStreamSource(tokenStream)).readProgram()
+    val compiler = KotlinCompiler()
+    println(compiler.visit(program))
+  }
+}

src/main/kotlin/gay/pizza/pork/cli/HighlightCommand.kt

@@ -0,0 +1,21 @@
+package gay.pizza.pork.cli
+
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.parameters.arguments.argument
+import com.github.ajalt.clikt.parameters.types.path
+import gay.pizza.pork.parse.AnsiHighlightScheme
+import gay.pizza.pork.parse.Highlighter
+import gay.pizza.pork.parse.PorkTokenizer
+import gay.pizza.pork.parse.StringCharSource
+import kotlin.io.path.readText
+
+class HighlightCommand : CliktCommand(help = "Syntax Highlighter", name = "highlight") {
+  val path by argument("file").path(mustExist = true, canBeDir = false)
+
+  override fun run() {
+    val content = path.readText()
+    val tokenStream = PorkTokenizer(StringCharSource(content)).tokenize()
+    val highlighter = Highlighter(AnsiHighlightScheme())
+    print(highlighter.highlight(tokenStream).joinToString(""))
+  }
+}

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

@@ -0,0 +1,20 @@
+package gay.pizza.pork.cli
+
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.core.subcommands
+
+class RootCommand : CliktCommand(
+  help = "Pork - The BBQ Language",
+  name = "pork"
+) {
+  init {
+    subcommands(
+      RunCommand(),
+      HighlightCommand(),
+      TokenizeCommand(),
+      GenerateKotlinCommand()
+    )
+  }
+
+  override fun run() {}
+}

src/main/kotlin/gay/pizza/pork/cli/RunCommand.kt

@@ -0,0 +1,32 @@
+package gay.pizza.pork.cli
+
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.parameters.arguments.argument
+import com.github.ajalt.clikt.parameters.types.path
+import gay.pizza.pork.eval.CallableFunction
+import gay.pizza.pork.eval.PorkEvaluator
+import gay.pizza.pork.eval.Scope
+import gay.pizza.pork.parse.PorkParser
+import gay.pizza.pork.parse.PorkTokenizer
+import gay.pizza.pork.parse.StringCharSource
+import gay.pizza.pork.parse.TokenStreamSource
+import kotlin.io.path.readText
+
+class RunCommand : CliktCommand(help = "Run Program", name = "run") {
+  val path by argument("file").path(mustExist = true, canBeDir = false)
+
+  override fun run() {
+    val content = path.readText()
+    val tokenStream = PorkTokenizer(StringCharSource(content)).tokenize()
+    val program = PorkParser(TokenStreamSource(tokenStream)).readProgram()
+
+    val scope = Scope()
+    scope.define("println", CallableFunction { arguments ->
+      for (argument in arguments.values) {
+        println(argument)
+      }
+    })
+    val evaluator = PorkEvaluator(scope)
+    evaluator.visit(program)
+  }
+}

src/main/kotlin/gay/pizza/pork/cli/TokenizeCommand.kt

@@ -0,0 +1,25 @@
+package gay.pizza.pork.cli
+
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.parameters.arguments.argument
+import com.github.ajalt.clikt.parameters.types.path
+import gay.pizza.pork.parse.PorkTokenizer
+import gay.pizza.pork.parse.StringCharSource
+import kotlin.io.path.readText
+
+class TokenizeCommand : CliktCommand(help = "Tokenize Program", name = "tokenize") {
+  val path by argument("file").path(mustExist = true, canBeDir = false)
+
+  override fun run() {
+    val content = path.readText()
+    val tokenStream = PorkTokenizer(StringCharSource(content)).tokenize()
+    for (token in tokenStream.tokens) {
+      println("${token.start} ${token.type.name} '${sanitize(token.text)}'")
+    }
+  }
+
+  private fun sanitize(input: String): String =
+    input
+      .replace("\n", "\\n")
+      .replace("\r", "\\r")
+}

src/main/kotlin/gay/pizza/pork/cli/main.kt

@@ -0,0 +1,3 @@
+package gay.pizza.pork.cli
+
+fun main(args: Array<String>) = RootCommand().main(args)