working CLI tool, versioning support, etc

bin/local_release

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+file=./lyng/build/bin/linuxX64/releaseExecutable/lyng.kexe
+
+./gradlew :lyng:linkReleaseExecutableLinuxX64
+strip $file
+upx   $file
+cp $file ~/bin/lyng

docs/samples/happy_numbers.lyng

@@ -16,4 +16,6 @@ fun naiveCountHappyNumbers() {
     count
 }
 
-assert( naiveCountHappyNumbers() == 55252 )
+val found = naiveCountHappyNumbers()
+println("Found happy numbers: "+found)
+assert( found == 55252 )

docs/samples/helloworld.lyng

@@ -0,0 +1,2 @@
+
+println("Hello, world!");

gradle.properties

@@ -4,9 +4,11 @@ org.gradle.caching=true
 org.gradle.configuration-cache=true
 #Kotlin
 kotlin.code.style=official
-kotlin.js.compiler=ir
 #MPP
 kotlin.mpp.enableCInteropCommonization=true
 #Android
 android.useAndroidX=true
 android.nonTransitiveRClass=true
+
+# other
+kotlin.native.cacheKind.linuxX64=none

gradle/libs.versions.toml

@@ -1,18 +1,24 @@
 [versions]
 agp = "8.5.2"
+clikt = "5.0.3"
 kotlin = "2.1.21"
 android-minSdk = "24"
 android-compileSdk = "34"
 kotlinx-coroutines = "1.10.1"
 mp_bintools = "0.1.12"
 firebaseCrashlyticsBuildtools = "3.0.3"
+okioVersion = "3.10.2"
 
 [libraries]
+clikt = { module = "com.github.ajalt.clikt:clikt", version.ref = "clikt" }
+clikt-markdown = { module = "com.github.ajalt.clikt:clikt-markdown", version.ref = "clikt" }
 kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
 kotlinx-coroutines-test = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-test", version.ref = "kotlinx-coroutines" }
 kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinx-coroutines" }
 mp_bintools = { module = "net.sergeych:mp_bintools", version.ref = "mp_bintools" }
 firebase-crashlytics-buildtools = { group = "com.google.firebase", name = "firebase-crashlytics-buildtools", version.ref = "firebaseCrashlyticsBuildtools" }
+okio = { module = "com.squareup.okio:okio", version.ref = "okioVersion" }
+okio-fakefilesystem = { module = "com.squareup.okio:okio-fakefilesystem", version.ref = "okioVersion" }
 
 [plugins]
 androidLibrary = { id = "com.android.library", version.ref = "agp" }

library/build.gradle.kts

@@ -11,7 +11,7 @@ plugins {
 }
 
 group = "net.sergeych"
-version = "0.0.1-SNAPSHOT"
+version = "0.0.5-SNAPSHOT"
 
 kotlin {
     jvm()
@@ -26,7 +26,7 @@ kotlin {
 //    iosArm64()
 //    iosSimulatorArm64()
     linuxX64()
-    js(IR) {
+    js {
         browser()
         nodejs()
     }
@@ -44,12 +44,13 @@ kotlin {
         }
 
         val commonMain by getting {
+            kotlin.srcDir("$buildDir/generated/buildConfig/commonMain/kotlin")
             dependencies {
                 implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.8.1")
                 //put your multiplatform dependencies here
-                implementation(libs.kotlinx.coroutines.core)
-                implementation(libs.mp.bintools)
-                implementation("net.sergeych:mp_stools:1.5.2")
+                api(libs.kotlinx.coroutines.core)
+                api(libs.mp.bintools)
+                api("net.sergeych:mp_stools:1.5.2")
             }
         }
         val commonTest by getting {
@@ -109,3 +110,40 @@ mavenPublishing {
         }
     }
 }
+
+val projectVersion  by project.extra(provider {
+    // Compute value lazily
+    (version as String)
+})
+
+val generateBuildConfig by tasks.registering {
+    // Declare outputs safely
+    val outputDir = layout.buildDirectory.dir("generated/buildConfig/commonMain/kotlin")
+    outputs.dir(outputDir)
+
+    val version = projectVersion.get()
+
+    // Inputs: Version is tracked as an input
+    inputs.property("version", version)
+
+    doLast {
+        val packageName = "net.sergeych.lyng.buildconfig"
+        val packagePath = packageName.replace('.', '/')
+        val buildConfigFile = outputDir.get().file("$packagePath/BuildConfig.kt").asFile
+
+        buildConfigFile.parentFile?.mkdirs()
+        buildConfigFile.writeText(
+            """
+            |package $packageName
+            |
+            |object BuildConfig {
+            |    const val VERSION = "$version"
+            |}
+            """.trimMargin()
+        )
+    }
+}
+
+tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
+    dependsOn(generateBuildConfig)
+}

library/src/commonMain/kotlin/net/sergeych/lyng/Script.kt

@@ -21,7 +21,6 @@ class Script(
     companion object {
         val defaultContext: Context = Context().apply {
             addFn("println") {
-                print("yn: ")
                 for ((i, a) in args.withIndex()) {
                     if (i > 0) print(' ' + a.asStr.value)
                     else print(a.asStr.value)

library/src/commonMain/kotlin/net/sergeych/lyng/ScriptError.kt

@@ -5,6 +5,7 @@ package net.sergeych.lyng
 open class ScriptError(val pos: Pos, val errorMessage: String,cause: Throwable?=null) : Exception(
     """
         $pos: Error: $errorMessage
+        
         ${pos.currentLine}
         ${"-".repeat(pos.column)}^
     """.trimIndent(),

library/src/commonMain/kotlin/net/sergeych/lyng/globals.kt

@@ -0,0 +1,5 @@
+package net.sergeych.lyng
+
+import net.sergeych.lyng.buildconfig.BuildConfig
+
+val LyngVersion = BuildConfig.VERSION

library/src/commonTest/kotlin/ScriptTest.kt

@@ -6,6 +6,12 @@ import kotlin.test.*
 
 class ScriptTest {
 
+    @Test
+    fun testVersion() {
+        println("--------------------------------------------")
+        println("version = ${LyngVersion}")
+    }
+
     @Test
     fun parseNewlines() {
         fun check(expected: String, type: Token.Type, row: Int, col: Int, src: String, offset: Int = 0) {

lyng/build.gradle.kts

@@ -7,10 +7,20 @@ version = "unspecified"
 
 repositories {
     mavenCentral()
+    maven("https://maven.universablockchain.com/")
+    maven("https://gitea.sergeych.net/api/packages/SergeychWorks/maven")
+    mavenLocal()
+    maven("https://gitea.sergeych.net/api/packages/SergeychWorks/maven")
 }
 
 kotlin {
-    jvm()
+    jvm {
+        binaries {
+            executable {
+                mainClass.set("net.sergeych.lyng_cli.MainKt")
+            }
+        }
+    }
     linuxX64 {
         binaries {
             executable()
@@ -18,11 +28,21 @@ kotlin {
     }
     sourceSets {
         val commonMain by getting {
+            dependencies {
+                implementation(project(":library"))
+                implementation(libs.okio)
+
+                implementation(libs.clikt)
+
+                // optional support for rendering markdown in help messages
+//                implementation(libs.clikt.markdown)
+            }
         }
         val commonTest by getting {
             dependencies {
                 implementation(kotlin("test-common"))
                 implementation(kotlin("test-annotations-common"))
+                implementation(libs.okio.fakefilesystem)
             }
         }
         val linuxX64Main by getting {

lyng/src/commonMain/kotlin/Common.kt

@@ -1,7 +1,110 @@
 package net.sergeych
 
+import com.github.ajalt.clikt.core.CliktCommand
+import com.github.ajalt.clikt.parameters.arguments.argument
+import com.github.ajalt.clikt.parameters.arguments.multiple
+import com.github.ajalt.clikt.parameters.arguments.optional
+import com.github.ajalt.clikt.parameters.options.flag
+import com.github.ajalt.clikt.parameters.options.option
+import net.sergeych.lyng.*
+import okio.FileSystem
+import okio.Path.Companion.toPath
+import okio.SYSTEM
+import okio.buffer
+import okio.use
+
 // common code
 
-fun commonCode() {
-    println("Common code")
+expect fun exit(code: Int)
+
+val baseContext = Context().apply {
+    addFn("exit") {
+        exit(requireOnlyArg<ObjInt>().toInt())
+        ObjVoid
+    }
+}
+
+class LyngCLI(val launcher: (suspend () -> Unit) -> Unit) : CliktCommand() {
+
+    override val printHelpOnEmptyArgs = true
+
+    val version by option("-v", "--version", help = "Print version and exit").flag()
+    val script by argument(help = "one or more scripts to execute").optional()
+    val execute: String? by option(
+        "-x", "--execute", help = """
+        execute string <text>, the rest of command line is passed to Lyng as ARGV
+        """.trimIndent()
+    )
+
+    val args by argument(help = "arguments for script").multiple()
+
+    override fun help(context: com.github.ajalt.clikt.core.Context): String =
+        """
+            The Lyng script language interpreter, language version is $LyngVersion.
+            
+            Please refer form more information to the project site:
+            https://gitea.sergeych.net/SergeychWorks/lyng
+            
+        """.trimIndent()
+
+    override fun run() {
+        when {
+            version -> {
+                println("Lyng language version ${LyngVersion}")
+            }
+
+            execute != null -> {
+                val objargs = mutableListOf<String>()
+                script?.let { objargs += it }
+                objargs += args
+                baseContext.addConst(
+                    "ARGV", ObjList(
+                        objargs.map { ObjString(it) }.toMutableList()
+                    )
+                )
+                launcher {
+                    // there is no script name, it is a first argument instead:
+                    processErrors {
+                        baseContext.eval(execute!!)
+                    }
+                }
+            }
+
+            else -> {
+                if (script == null) {
+                    println(
+                        """
+                        
+                        Error: no script specified.
+                        
+                    """.trimIndent()
+                    )
+                    echoFormattedHelp()
+                } else {
+                    baseContext.addConst("ARGV", ObjList(args.map { ObjString(it) }.toMutableList()))
+                    launcher { executeFile(script!!) }
+                }
+            }
+        }
+    }
+}
+
+suspend fun executeFile(fileName: String) {
+    val text = FileSystem.SYSTEM.source(fileName.toPath()).use { fileSource ->
+        fileSource.buffer().use { bs ->
+            bs.readUtf8()
+        }
+    }
+    processErrors {
+        Compiler().compile(Source(fileName, text)).execute(baseContext)
+    }
+}
+
+suspend fun processErrors(block: suspend () -> Unit) {
+    try {
+        block()
+    }
+    catch (e: ScriptError) {
+        println("\nError executing the script:\n$e\n")
+    }
 }

lyng/src/jvmMain/kotlin/Common.jvm.kt

@@ -0,0 +1,7 @@
+package net.sergeych
+
+import kotlin.system.exitProcess
+
+actual fun exit(code: Int) {
+    exitProcess(code)
+}

lyng/src/jvmMain/kotlin/Main.kt

@@ -1,18 +0,0 @@
-import net.sergeych.commonCode
-
-//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
-// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
-fun main() {
-    val name = "Kotlin"
-    //TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
-    // to see how GIGA IDE suggests fixing it.
-    println("Hello, native " + name + "!")
-
-    commonCode()
-
-    for (i in 1..5) {
-        //TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
-        // for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
-        println("i = $i")
-    }
-}

lyng/src/jvmMain/kotlin/net/sergeych/lyng_cli/Main.kt

@@ -0,0 +1,9 @@
+package net.sergeych.lyng_cli
+
+import com.github.ajalt.clikt.core.main
+import kotlinx.coroutines.runBlocking
+import net.sergeych.LyngCLI
+
+fun main(args: Array<String>) {
+    LyngCLI({ runBlocking { it() } }).main(args)
+}

lyng/src/linuxX64Main/kotlin/Main.kt

@@ -1,18 +1,7 @@
-import net.sergeych.commonCode
+import com.github.ajalt.clikt.core.main
+import kotlinx.coroutines.runBlocking
+import net.sergeych.LyngCLI
 
-//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
-// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
-fun main() {
-    val name = "Kotlin"
-    //TIP Press <shortcut actionId="ShowIntentionActions"/> with your caret at the highlighted text
-    // to see how GIGA IDE suggests fixing it.
-    println("Hello, native " + name + "!")
-
-    commonCode()
-
-    for (i in 1..5) {
-        //TIP Press <shortcut actionId="Debug"/> to start debugging your code. We have set one <icon src="AllIcons.Debugger.Db_set_breakpoint"/> breakpoint
-        // for you, but you can always add more by pressing <shortcut actionId="ToggleLineBreakpoint"/>.
-        println("i = $i")
-    }
+fun main(args: Array<String>) {
+    LyngCLI( { runBlocking { it() } }).main(args)
 }

lyng/src/nativeMain/kotlin/Common.native.kt

@@ -0,0 +1,7 @@
+package net.sergeych
+
+import kotlin.system.exitProcess
+
+actual fun exit(code: Int) {
+    exitProcess(code)
+}