Renamed to lyng

This commit is contained in:
Sergey Chernov 2025-06-02 11:38:17 +04:00
parent 6ef94fff65
commit e13dde68b5
34 changed files with 47 additions and 51 deletions

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# Ling: scripting lang for kotlin multiplatform
# Lying: scripting lang for kotlin multiplatform
in the form of multiplatform library.

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Mutable list of any objects.
It's class in Ling is `List`:
It's class in Lying is `List`:
[1,2,3]::class
>>> List

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# OO implementation in Ling
# OO implementation in Lying
Basic principles:
@ -15,7 +15,7 @@ Basic principles:
## Instances
Result of executing of any expression or statement in the Ling is the object that
Result of executing of any expression or statement in the Lying is the object that
inherits `Obj`, but is not `Obj`. For example it could be Int, void, null, real, string, bool, etc.
This means whatever expression returns or the variable holds, is the first-class

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Class that supports double-precision math. Woks much like double in other languages. We honor no floats, so it is '
Real'.
It's class in Ling is `Real`:
It's class in Lying is `Real`:
(π/2)::class
>>> Real

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# Ling tutorial
# Lying tutorial
Ling is a very simple language, where we take only most important and popular features from
Lying is a very simple language, where we take only most important and popular features from
other scripts and languages. In particular, we adopt _principle of minimal confusion_[^1].
In other word, the code usually works as expected when you see it. So, nothing unusual.
@ -8,12 +8,12 @@ __Other documents to read__ maybe after this one:
- [Advanced topics](advanced_topics.md)
- [OOP notes](OOP.md)
- [math in Ling](math.md)
- [math in Lying](math.md)
- Some class references: [List](List.md), [Real](Real.md), [Range](Range.md)
# Expressions
Everything is an expression in Ling. Even an empty block:
Everything is an expression in Lying. Even an empty block:
// empty block
>>> void
@ -221,7 +221,7 @@ Notice how function definition return a value, instance of `Callable`.
You can use both `fn` and `fun`. Note that function declaration _is an expression returning callable_.
There are default parameters in Ling:
There are default parameters in Lying:
fn check(amount, prefix = "answer: ") {
prefix + if( amount > 100 )
@ -273,7 +273,7 @@ If you need to create _unnamed_ function, use alternative syntax (TBD, like { ->
# Lists (aka arrays)
Ling has built-in mutable array class `List` with simple literals:
Lying has built-in mutable array class `List` with simple literals:
[1, "two", 3.33].size
>>> 3
@ -546,7 +546,7 @@ We can skip the rest of the loop and restart it, as usual, with `continue` opera
>>> 0
Notice that `total` remains 0 as the end of the outerLoop@ is not reachable: `continue` is always called and always make
Ling to skip it.
Lying to skip it.
## else statement

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@ -81,7 +81,7 @@ mavenPublishing {
coordinates(group.toString(), "library", version.toString())
pom {
name = "Ling language"
name = "Lying language"
description = "Kotlin-bound scripting loanguage"
inceptionYear = "2025"
// url = "https://sergeych.net"

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package net.sergeych.ling
package net.sergeych.lying
data class ParsedArgument(val value: Statement, val pos: Pos, val isSplat: Boolean = false)

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package net.sergeych.ling
package net.sergeych.lying
//fun buildDoubleFromParts(
// integerPart: Long,

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package net.sergeych.ling
package net.sergeych.lying
/**
* The LING compiler.
* The LYING compiler.
*/
class Compiler(
@Suppress("UNUSED_PARAMETER")

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package net.sergeych.ling
package net.sergeych.lying
internal class CompilerContext(val tokens: List<Token>) : ListIterator<Token> by tokens.listIterator() {
val labels = mutableSetOf<String>()

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package net.sergeych.ling
package net.sergeych.lying
class Context(
val parent: Context?,
@ -16,10 +16,15 @@ class Context(
@Suppress("unused")
fun raiseNPE(): Nothing = raiseError(ObjNullPointerError(this))
@Suppress("unused")
fun raiseIndexOutOfBounds(message: String = "Index out of bounds"): Nothing =
raiseError(ObjIndexOutOfBoundsError(this, message))
@Suppress("unused")
fun raiseArgumentError(message: String = "Illegal argument error"): Nothing =
raiseError(ObjIllegalArgumentError(this, message))
fun raiseClassCastError(msg: String): Nothing = raiseError(ObjClassCastError(this, msg))
fun raiseError(message: String): Nothing {

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package net.sergeych.ling
class IfScope(val isTrue: Boolean) {
fun otherwise(f: ()->Unit): Boolean {
if( !isTrue ) f()
return false
}
}

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package net.sergeych.ling
package net.sergeych.lying
sealed class ListEntry {
data class Element(val accessor: Accessor) : ListEntry()

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package net.sergeych.ling
package net.sergeych.lying
class LoopBreakContinueException(
val doContinue: Boolean,

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package net.sergeych.ling
package net.sergeych.lying
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock

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package net.sergeych.ling
package net.sergeych.lying
data class ObjBool(val value: Boolean) : Obj() {
override val asStr by lazy { ObjString(value.toString()) }

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package net.sergeych.ling
package net.sergeych.lying
class ObjChar(val value: Char): Obj() {

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package net.sergeych.ling
package net.sergeych.lying
val ObjClassType by lazy { ObjClass("Class") }

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package net.sergeych.ling
package net.sergeych.lying
data class ObjInt(var value: Long) : Obj(), Numeric {
override val asStr get() = ObjString(value.toString())

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package net.sergeych.ling
package net.sergeych.lying
class ObjList(val list: MutableList<Obj>) : Obj() {

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package net.sergeych.ling
package net.sergeych.lying
class ObjRange(val start: Obj?, val end: Obj?, val isEndInclusive: Boolean) : Obj() {

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package net.sergeych.ling
package net.sergeych.lying
class ObjRangeIterator(val self: ObjRange) : Obj() {

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package net.sergeych.ling
package net.sergeych.lying
import kotlin.math.floor
import kotlin.math.roundToLong

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package net.sergeych.ling
package net.sergeych.lying
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable

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package net.sergeych.ling
package net.sergeych.lying
val digitsSet = ('0'..'9').toSet()
val digits = { d: Char -> d in digitsSet }

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package net.sergeych.ling
package net.sergeych.lying
data class Pos(val source: Source, val line: Int, val column: Int) {
override fun toString(): String {

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package net.sergeych.ling
package net.sergeych.lying
import kotlin.math.*

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@file:Suppress("CanBeParameter")
package net.sergeych.ling
package net.sergeych.lying
open class ScriptError(val pos: Pos, val errorMessage: String,cause: Throwable?=null) : Exception(
"""

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package net.sergeych.ling
package net.sergeych.lying
class Source(val fileName: String, text: String) {

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package net.sergeych.ling
package net.sergeych.lying
/**
* Whatever [Obj] stored somewhere

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package net.sergeych.ling
package net.sergeych.lying
data class Token(val value: String, val pos: Pos, val type: Type) {
val isComment: Boolean by lazy { type == Type.SINLGE_LINE_COMMENT || type == Type.MULTILINE_COMMENT }

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package net.sergeych.ling
package net.sergeych.lying
fun String.toSource(name: String = "eval"): Source = Source(name, this)

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package io.github.kotlin.fibonacci
import kotlinx.coroutines.test.runTest
import net.sergeych.ling.*
import net.sergeych.lying.*
import kotlin.test.*
class ScriptTest {

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@ -3,8 +3,8 @@ import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.flow
import kotlinx.coroutines.flow.flowOn
import kotlinx.coroutines.test.runTest
import net.sergeych.ling.Context
import net.sergeych.ling.ObjVoid
import net.sergeych.lying.Context
import net.sergeych.lying.ObjVoid
import java.nio.file.Files.readAllLines
import java.nio.file.Paths
import kotlin.test.Test