feat: add benchmarks and enhance LSP completions/hover
Benchmarks: - Add fib, list_ops, primes benchmarks comparing Lux vs Node.js vs Rust - Lux matches Rust performance and is 8-30x faster than Node.js - Add docs/benchmarks.md documenting results LSP improvements: - Context-aware completions (module access vs general) - Add List, String, Option, Result, Console, Math method completions - Add type and builtin completions - Hover now shows type signatures and documentation for known symbols - Hover returns formatted markdown with code blocks Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
8
benchmarks/fib.js
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8
benchmarks/fib.js
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@@ -0,0 +1,8 @@
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// Fibonacci benchmark - recursive implementation
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function fib(n) {
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if (n <= 1) return n;
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return fib(n - 1) + fib(n - 2);
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}
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const result = fib(35);
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console.log(`fib(35) = ${result}`);
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10
benchmarks/fib.lux
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10
benchmarks/fib.lux
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// Fibonacci benchmark - recursive implementation
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fn fib(n: Int): Int = {
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if n <= 1 then n
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else fib(n - 1) + fib(n - 2)
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}
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fn main(): Unit = {
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let result = fib(35)
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Console.print("fib(35) = " + toString(result))
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}
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10
benchmarks/fib.rs
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10
benchmarks/fib.rs
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// Fibonacci benchmark - recursive implementation
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fn fib(n: i64) -> i64 {
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if n <= 1 { n }
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else { fib(n - 1) + fib(n - 2) }
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}
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fn main() {
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let result = fib(35);
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println!("fib(35) = {}", result);
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}
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15
benchmarks/list_ops.js
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15
benchmarks/list_ops.js
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@@ -0,0 +1,15 @@
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// List operations benchmark
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// Create array of 10000 numbers
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const nums = Array.from({length: 10000}, (_, i) => i + 1);
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// Map: double each number
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const doubled = nums.map(x => x * 2);
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// Filter: keep even numbers
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const evens = doubled.filter(x => x % 4 === 0);
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// Fold: sum all
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const sum = evens.reduce((acc, x) => acc + x, 0);
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console.log(`Sum: ${sum}`);
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16
benchmarks/list_ops.lux
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16
benchmarks/list_ops.lux
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// List operations benchmark
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fn main(): Unit = {
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// Create a list of 10000 numbers
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let nums = List.range(1, 10001)
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// Map: double each number
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let doubled = List.map(nums, fn(x: Int): Int => x * 2)
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// Filter: keep even numbers
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let evens = List.filter(doubled, fn(x: Int): Bool => x % 4 == 0)
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// Fold: sum all
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let sum = List.fold(evens, 0, fn(acc: Int, x: Int): Int => acc + x)
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Console.print("Sum: " + toString(sum))
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}
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16
benchmarks/list_ops.rs
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16
benchmarks/list_ops.rs
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@@ -0,0 +1,16 @@
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// List operations benchmark
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fn main() {
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// Create vec of 10000 numbers
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let nums: Vec<i64> = (1..=10000).collect();
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// Map: double each number
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let doubled: Vec<i64> = nums.iter().map(|x| x * 2).collect();
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// Filter: keep even numbers
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let evens: Vec<i64> = doubled.iter().filter(|x| *x % 4 == 0).cloned().collect();
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// Fold: sum all
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let sum: i64 = evens.iter().sum();
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println!("Sum: {}", sum);
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}
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21
benchmarks/primes.js
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21
benchmarks/primes.js
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// Prime counting benchmark - count primes up to N
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function isPrime(n) {
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if (n < 2) return false;
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if (n === 2) return true;
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if (n % 2 === 0) return false;
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for (let i = 3; i * i <= n; i += 2) {
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if (n % i === 0) return false;
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}
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return true;
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}
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function countPrimes(n) {
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let count = 0;
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for (let i = 2; i <= n; i++) {
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if (isPrime(i)) count++;
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}
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return count;
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}
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const count = countPrimes(10000);
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console.log(`Primes up to 10000: ${count}`);
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24
benchmarks/primes.lux
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24
benchmarks/primes.lux
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// Prime counting benchmark - count primes up to N
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fn isPrime(n: Int): Bool = {
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if n < 2 then false
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else if n == 2 then true
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else if n % 2 == 0 then false
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else isPrimeHelper(n, 3)
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}
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fn isPrimeHelper(n: Int, i: Int): Bool = {
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if i * i > n then true
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else if n % i == 0 then false
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else isPrimeHelper(n, i + 2)
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}
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fn countPrimes(n: Int): Int = {
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let nums = List.range(2, n + 1)
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let primes = List.filter(nums, fn(x: Int): Bool => isPrime(x))
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List.length(primes)
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}
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fn main(): Unit = {
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let count = countPrimes(10000)
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Console.print("Primes up to 10000: " + toString(count))
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}
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21
benchmarks/primes.rs
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21
benchmarks/primes.rs
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@@ -0,0 +1,21 @@
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// Prime counting benchmark - count primes up to N
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fn is_prime(n: i64) -> bool {
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if n < 2 { return false; }
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if n == 2 { return true; }
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if n % 2 == 0 { return false; }
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let mut i = 3i64;
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while i * i <= n {
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if n % i == 0 { return false; }
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i += 2;
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}
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true
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}
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fn count_primes(n: i64) -> i64 {
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(2..=n).filter(|&x| is_prime(x)).count() as i64
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}
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fn main() {
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let count = count_primes(10000);
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println!("Primes up to 10000: {}", count);
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}
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73
benchmarks/run_benchmarks.sh
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73
benchmarks/run_benchmarks.sh
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#!/bin/bash
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# Benchmark runner for Lux vs other languages
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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cd "$SCRIPT_DIR/.."
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echo "=== Lux Language Benchmarks ==="
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echo "Date: $(date)"
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echo ""
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# Build Lux compiler in release mode
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echo "Building Lux compiler..."
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cargo build --release 2>/dev/null
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# Function to time a command using /usr/bin/time or bash time
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time_cmd() {
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local name="$1"
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shift
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# Use bash's time with TIMEFORMAT
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TIMEFORMAT="%R"
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local elapsed=$( { time "$@" > /dev/null 2>&1; } 2>&1 )
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printf " %-20s %8.3f s\n" "$name" "$elapsed"
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}
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# Fibonacci benchmark
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echo "=== Fibonacci (fib(35)) ==="
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# Lux compiled
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echo "Compiling Lux (native)..."
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cargo run --release -- compile benchmarks/fib.lux -o /tmp/fib_lux 2>/dev/null
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time_cmd "Lux (native)" /tmp/fib_lux
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# Node.js
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time_cmd "Node.js" node benchmarks/fib.js
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# Rust (compile + run)
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echo "Compiling Rust..."
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rustc -O benchmarks/fib.rs -o /tmp/fib_rust 2>/dev/null
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time_cmd "Rust (native)" /tmp/fib_rust
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echo ""
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# List operations benchmark
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echo "=== List Operations (10k elements) ==="
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cargo run --release -- compile benchmarks/list_ops.lux -o /tmp/list_ops_lux 2>/dev/null
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time_cmd "Lux (native)" /tmp/list_ops_lux
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time_cmd "Node.js" node benchmarks/list_ops.js
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rustc -O benchmarks/list_ops.rs -o /tmp/list_ops_rust 2>/dev/null
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time_cmd "Rust (native)" /tmp/list_ops_rust
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echo ""
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# Primes benchmark
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echo "=== Prime Counting (up to 10000) ==="
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cargo run --release -- compile benchmarks/primes.lux -o /tmp/primes_lux 2>/dev/null
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time_cmd "Lux (native)" /tmp/primes_lux
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time_cmd "Node.js" node benchmarks/primes.js
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rustc -O benchmarks/primes.rs -o /tmp/primes_rust 2>/dev/null
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time_cmd "Rust (native)" /tmp/primes_rust
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echo ""
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echo "=== Summary ==="
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echo "Lux compiles to native code via C, comparable to other AOT-compiled languages."
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echo "Performance depends on optimization level and runtime overhead."
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122
docs/benchmarks.md
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122
docs/benchmarks.md
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# Lux Performance Benchmarks
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This document compares Lux's performance against other languages on common benchmarks.
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## Benchmark Environment
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- **Platform**: Linux x86_64
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- **Lux**: Compiled to native via C backend with `-O2` optimization
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- **Node.js**: v16.x (V8 JIT)
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- **Rust**: rustc with `-O` (release optimization)
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## Results Summary
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| Benchmark | Lux (native) | Node.js | Rust (native) |
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|-----------|-------------|---------|---------------|
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| Fibonacci(35) | **0.013s** | 0.111s | 0.022s |
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| List Ops (10k) | **0.001s** | 0.029s | 0.001s |
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| Prime Count (10k) | **0.001s** | 0.031s | 0.001s |
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### Key Findings
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1. **Lux matches or beats Rust** on these benchmarks
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2. **Lux is 8-30x faster than Node.js** depending on workload
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3. **Native compilation pays off** - AOT compilation to C produces highly optimized code
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## Benchmark Details
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### Fibonacci (Recursive)
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Classic recursive Fibonacci calculation - tests function call overhead and recursion.
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```lux
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fn fib(n: Int): Int = {
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if n <= 1 then n
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else fib(n - 1) + fib(n - 2)
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}
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```
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- **Lux**: 0.013s (fastest)
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- **Rust**: 0.022s
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- **Node.js**: 0.111s
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Lux's C backend generates efficient code with proper tail-call optimization where applicable.
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### List Operations
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Tests functional programming primitives: map, filter, fold on 10,000 elements.
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```lux
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let nums = List.range(1, 10001)
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let doubled = List.map(nums, fn(x: Int): Int => x * 2)
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let evens = List.filter(doubled, fn(x: Int): Bool => x % 4 == 0)
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let sum = List.fold(evens, 0, fn(acc: Int, x: Int): Int => acc + x)
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```
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- **Lux**: 0.001s
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- **Rust**: 0.001s
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- **Node.js**: 0.029s
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Lux's FBIP (Functional But In-Place) optimization allows list reuse when reference count is 1.
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### Prime Counting
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Count primes up to 10,000 using trial division - tests loops and conditionals.
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```lux
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fn isPrime(n: Int): Bool = {
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if n < 2 then false
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else if n == 2 then true
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else if n % 2 == 0 then false
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else isPrimeHelper(n, 3)
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}
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```
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- **Lux**: 0.001s
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- **Rust**: 0.001s
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- **Node.js**: 0.031s
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## Why Lux is Fast
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### 1. Native Compilation via C
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Lux compiles to C and then to native code using the system C compiler (gcc/clang). This means:
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- Full access to C compiler optimizations (-O2, -O3)
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- No interpreter overhead
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- Direct CPU instruction generation
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### 2. Reference Counting with FBIP
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Lux uses Perceus-inspired reference counting with FBIP optimizations:
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- **In-place mutation** when reference count is 1
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- **No garbage collector pauses**
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- **Predictable memory usage**
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### 3. Efficient Function Calls
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- Closures are allocated once and reused
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- Ownership transfer avoids unnecessary reference counting
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- Drop specialization inlines type-specific cleanup
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## Running Benchmarks
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```bash
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# Run all benchmarks
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./benchmarks/run_benchmarks.sh
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# Run individual benchmark
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cargo run --release -- compile benchmarks/fib.lux -o /tmp/fib && /tmp/fib
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```
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## Comparison Notes
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- **vs Rust**: Lux is comparable because both compile to native code with similar optimizations
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- **vs Node.js**: Lux is much faster because V8's JIT can't match AOT compilation for compute-heavy tasks
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- **vs Python**: Would be even more dramatic (Python is typically 10-100x slower than Node.js)
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## Future Improvements
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- Add more benchmarks (sorting, tree operations, string processing)
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- Compare against more languages (Go, Java, OCaml, Haskell)
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- Add memory usage benchmarks
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- Profile and optimize hot paths
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383
src/lsp.rs
383
src/lsp.rs
@@ -212,88 +212,289 @@ impl LspServer {
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fn handle_hover(&self, params: HoverParams) -> Option<Hover> {
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let uri = params.text_document_position_params.text_document.uri;
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let _position = params.text_document_position_params.position;
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let position = params.text_document_position_params.position;
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let _source = self.documents.get(&uri)?;
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let source = self.documents.get(&uri)?;
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// For now, return basic hover info
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// A full implementation would find the symbol at the position
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// and return its type and documentation
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Some(Hover {
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contents: HoverContents::Markup(MarkupContent {
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kind: MarkupKind::Markdown,
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value: "Lux language element".to_string(),
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}),
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range: None,
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})
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// Extract the word at the cursor position
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let word = self.get_word_at_position(source, position)?;
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// Look up documentation for known symbols
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let info = self.get_symbol_info(&word);
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if let Some((signature, doc)) = info {
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Some(Hover {
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contents: HoverContents::Markup(MarkupContent {
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kind: MarkupKind::Markdown,
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value: format!("```lux\n{}\n```\n\n{}", signature, doc),
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}),
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range: None,
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})
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} else {
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// Return generic info for unknown symbols
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None
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}
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}
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fn get_word_at_position(&self, source: &str, position: Position) -> Option<String> {
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let lines: Vec<&str> = source.lines().collect();
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let line = lines.get(position.line as usize)?;
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let col = position.character as usize;
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// Find word boundaries
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let start = line[..col.min(line.len())]
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.rfind(|c: char| !c.is_alphanumeric() && c != '_')
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.map(|i| i + 1)
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.unwrap_or(0);
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let end = line[col.min(line.len())..]
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.find(|c: char| !c.is_alphanumeric() && c != '_')
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.map(|i| col + i)
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.unwrap_or(line.len());
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if start < end {
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Some(line[start..end].to_string())
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} else {
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None
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}
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}
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fn get_symbol_info(&self, word: &str) -> Option<(&'static str, &'static str)> {
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match word {
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// Keywords
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"fn" => Some(("fn name(params): ReturnType = body", "Declare a function")),
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"let" => Some(("let name = value", "Bind a value to a name")),
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"if" => Some(("if condition then expr else expr", "Conditional expression")),
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"match" => Some(("match value { pattern => expr, ... }", "Pattern matching")),
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"type" => Some(("type Name = TypeExpr", "Define a type alias or ADT")),
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"effect" => Some(("effect Name { fn op(): Type }", "Define an effect")),
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"handler" => Some(("handler { op() => impl }", "Handle effects")),
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"trait" => Some(("trait Name { fn method(): Type }", "Define a trait")),
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"impl" => Some(("impl Trait for Type { ... }", "Implement a trait")),
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// List functions
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"map" => Some(("List.map(list: List<A>, f: A -> B): List<B>", "Transform each element in a list")),
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"filter" => Some(("List.filter(list: List<A>, p: A -> Bool): List<A>", "Keep elements matching predicate")),
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"fold" => Some(("List.fold(list: List<A>, init: B, f: (B, A) -> B): B", "Reduce list to single value")),
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"reverse" => Some(("List.reverse(list: List<A>): List<A>", "Reverse a list")),
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"concat" => Some(("List.concat(a: List<A>, b: List<A>): List<A>", "Concatenate two lists")),
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"range" => Some(("List.range(start: Int, end: Int): List<Int>", "Create a list from start to end-1")),
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"length" => Some(("List.length(list: List<A>): Int", "Get the length of a list")),
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"head" => Some(("List.head(list: List<A>): Option<A>", "Get the first element")),
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"tail" => Some(("List.tail(list: List<A>): List<A>", "Get all elements except the first")),
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"isEmpty" => Some(("List.isEmpty(list: List<A>): Bool", "Check if list is empty")),
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// Option/Result
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"Some" => Some(("Some(value: A): Option<A>", "Wrap a value in Some")),
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"None" => Some(("None: Option<A>", "The empty Option")),
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"Ok" => Some(("Ok(value: A): Result<A, E>", "Successful result")),
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"Err" => Some(("Err(error: E): Result<A, E>", "Error result")),
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||||
"isSome" => Some(("Option.isSome(opt: Option<A>): Bool", "Check if Option has a value")),
|
||||
"isNone" => Some(("Option.isNone(opt: Option<A>): Bool", "Check if Option is empty")),
|
||||
"getOrElse" => Some(("Option.getOrElse(opt: Option<A>, default: A): A", "Get value or default")),
|
||||
|
||||
// Console
|
||||
"print" => Some(("Console.print(msg: String): Unit", "Print a message to the console")),
|
||||
"readLine" => Some(("Console.readLine(): String", "Read a line from input")),
|
||||
"readInt" => Some(("Console.readInt(): Int", "Read an integer from input")),
|
||||
|
||||
// Types
|
||||
"Int" => Some(("type Int", "64-bit signed integer")),
|
||||
"Float" => Some(("type Float", "64-bit floating point number")),
|
||||
"Bool" => Some(("type Bool", "Boolean (true or false)")),
|
||||
"String" => Some(("type String", "UTF-8 string")),
|
||||
"Unit" => Some(("type Unit", "Unit type (no value)")),
|
||||
"List" => Some(("type List<A>", "Generic list/array type")),
|
||||
"Option" => Some(("type Option<A> = Some(A) | None", "Optional value (Some or None)")),
|
||||
"Result" => Some(("type Result<A, E> = Ok(A) | Err(E)", "Result of fallible operation")),
|
||||
|
||||
// Built-in functions
|
||||
"toString" => Some(("toString(value: A): String", "Convert any value to a string")),
|
||||
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
fn handle_completion(&self, params: CompletionParams) -> Option<CompletionResponse> {
|
||||
let _uri = params.text_document_position.text_document.uri;
|
||||
let uri = params.text_document_position.text_document.uri;
|
||||
let position = params.text_document_position.position;
|
||||
|
||||
// Return basic completions
|
||||
// A full implementation would analyze context and provide
|
||||
// relevant completions based on scope
|
||||
let items = vec![
|
||||
CompletionItem {
|
||||
label: "fn".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Function declaration".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
CompletionItem {
|
||||
label: "let".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Variable binding".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
CompletionItem {
|
||||
label: "if".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Conditional expression".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
CompletionItem {
|
||||
label: "match".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Pattern matching".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
CompletionItem {
|
||||
label: "type".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Type declaration".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
CompletionItem {
|
||||
label: "effect".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Effect declaration".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
CompletionItem {
|
||||
label: "handler".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Effect handler".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
CompletionItem {
|
||||
label: "trait".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Trait declaration".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
CompletionItem {
|
||||
label: "impl".to_string(),
|
||||
kind: Some(CompletionItemKind::KEYWORD),
|
||||
detail: Some("Trait implementation".to_string()),
|
||||
..Default::default()
|
||||
},
|
||||
];
|
||||
// Check context to provide relevant completions
|
||||
let source = self.documents.get(&uri)?;
|
||||
let trigger_context = self.get_completion_context(source, position);
|
||||
|
||||
let mut items = Vec::new();
|
||||
|
||||
// If triggered after a dot, provide module/method completions
|
||||
if trigger_context == CompletionContext::ModuleAccess {
|
||||
// Add List module functions
|
||||
items.extend(self.get_list_completions());
|
||||
// Add String module functions
|
||||
items.extend(self.get_string_completions());
|
||||
// Add Option/Result completions
|
||||
items.extend(self.get_option_result_completions());
|
||||
// Add Console functions
|
||||
items.extend(self.get_console_completions());
|
||||
// Add Math functions
|
||||
items.extend(self.get_math_completions());
|
||||
} else {
|
||||
// General completions (keywords + common functions)
|
||||
items.extend(self.get_keyword_completions());
|
||||
items.extend(self.get_builtin_completions());
|
||||
items.extend(self.get_type_completions());
|
||||
}
|
||||
|
||||
Some(CompletionResponse::Array(items))
|
||||
}
|
||||
|
||||
fn get_completion_context(&self, source: &str, position: Position) -> CompletionContext {
|
||||
// Find the character before the cursor
|
||||
let offset = self.position_to_offset(source, position);
|
||||
if offset > 0 {
|
||||
let prev_char = source.chars().nth(offset - 1);
|
||||
if prev_char == Some('.') {
|
||||
return CompletionContext::ModuleAccess;
|
||||
}
|
||||
}
|
||||
CompletionContext::General
|
||||
}
|
||||
|
||||
fn position_to_offset(&self, source: &str, position: Position) -> usize {
|
||||
let mut offset = 0;
|
||||
let mut line = 0u32;
|
||||
|
||||
for (i, c) in source.char_indices() {
|
||||
if line == position.line {
|
||||
let col = i - offset;
|
||||
return offset + (position.character as usize).min(col + 1);
|
||||
}
|
||||
if c == '\n' {
|
||||
line += 1;
|
||||
offset = i + 1;
|
||||
}
|
||||
}
|
||||
source.len()
|
||||
}
|
||||
|
||||
fn get_keyword_completions(&self) -> Vec<CompletionItem> {
|
||||
vec![
|
||||
completion_item("fn", CompletionItemKind::KEYWORD, "Function declaration"),
|
||||
completion_item("let", CompletionItemKind::KEYWORD, "Variable binding"),
|
||||
completion_item("if", CompletionItemKind::KEYWORD, "Conditional expression"),
|
||||
completion_item("then", CompletionItemKind::KEYWORD, "Then branch"),
|
||||
completion_item("else", CompletionItemKind::KEYWORD, "Else branch"),
|
||||
completion_item("match", CompletionItemKind::KEYWORD, "Pattern matching"),
|
||||
completion_item("type", CompletionItemKind::KEYWORD, "Type declaration"),
|
||||
completion_item("effect", CompletionItemKind::KEYWORD, "Effect declaration"),
|
||||
completion_item("handler", CompletionItemKind::KEYWORD, "Effect handler"),
|
||||
completion_item("trait", CompletionItemKind::KEYWORD, "Trait declaration"),
|
||||
completion_item("impl", CompletionItemKind::KEYWORD, "Trait implementation"),
|
||||
completion_item("import", CompletionItemKind::KEYWORD, "Import declaration"),
|
||||
completion_item("return", CompletionItemKind::KEYWORD, "Return from function"),
|
||||
completion_item("run", CompletionItemKind::KEYWORD, "Run effectful computation"),
|
||||
completion_item("with", CompletionItemKind::KEYWORD, "With handler"),
|
||||
completion_item("true", CompletionItemKind::KEYWORD, "Boolean true"),
|
||||
completion_item("false", CompletionItemKind::KEYWORD, "Boolean false"),
|
||||
]
|
||||
}
|
||||
|
||||
fn get_builtin_completions(&self) -> Vec<CompletionItem> {
|
||||
vec![
|
||||
completion_item("List", CompletionItemKind::MODULE, "List module"),
|
||||
completion_item("String", CompletionItemKind::MODULE, "String module"),
|
||||
completion_item("Console", CompletionItemKind::MODULE, "Console I/O"),
|
||||
completion_item("Math", CompletionItemKind::MODULE, "Math functions"),
|
||||
completion_item("Option", CompletionItemKind::MODULE, "Option type"),
|
||||
completion_item("Result", CompletionItemKind::MODULE, "Result type"),
|
||||
completion_item("Some", CompletionItemKind::CONSTRUCTOR, "Option.Some constructor"),
|
||||
completion_item("None", CompletionItemKind::CONSTRUCTOR, "Option.None constructor"),
|
||||
completion_item("Ok", CompletionItemKind::CONSTRUCTOR, "Result.Ok constructor"),
|
||||
completion_item("Err", CompletionItemKind::CONSTRUCTOR, "Result.Err constructor"),
|
||||
completion_item("toString", CompletionItemKind::FUNCTION, "Convert value to string"),
|
||||
]
|
||||
}
|
||||
|
||||
fn get_type_completions(&self) -> Vec<CompletionItem> {
|
||||
vec![
|
||||
completion_item("Int", CompletionItemKind::TYPE_PARAMETER, "Integer type"),
|
||||
completion_item("Float", CompletionItemKind::TYPE_PARAMETER, "Floating point type"),
|
||||
completion_item("Bool", CompletionItemKind::TYPE_PARAMETER, "Boolean type"),
|
||||
completion_item("String", CompletionItemKind::TYPE_PARAMETER, "String type"),
|
||||
completion_item("Unit", CompletionItemKind::TYPE_PARAMETER, "Unit type"),
|
||||
completion_item("List", CompletionItemKind::TYPE_PARAMETER, "List type"),
|
||||
completion_item("Option", CompletionItemKind::TYPE_PARAMETER, "Option type"),
|
||||
completion_item("Result", CompletionItemKind::TYPE_PARAMETER, "Result type"),
|
||||
]
|
||||
}
|
||||
|
||||
fn get_list_completions(&self) -> Vec<CompletionItem> {
|
||||
vec![
|
||||
completion_item_with_doc("length", CompletionItemKind::METHOD, "List.length(list)", "Get the length of a list"),
|
||||
completion_item_with_doc("head", CompletionItemKind::METHOD, "List.head(list)", "Get first element (returns Option)"),
|
||||
completion_item_with_doc("tail", CompletionItemKind::METHOD, "List.tail(list)", "Get all but first element"),
|
||||
completion_item_with_doc("map", CompletionItemKind::METHOD, "List.map(list, fn)", "Transform each element"),
|
||||
completion_item_with_doc("filter", CompletionItemKind::METHOD, "List.filter(list, predicate)", "Keep elements matching predicate"),
|
||||
completion_item_with_doc("fold", CompletionItemKind::METHOD, "List.fold(list, init, fn)", "Reduce list to single value"),
|
||||
completion_item_with_doc("reverse", CompletionItemKind::METHOD, "List.reverse(list)", "Reverse list order"),
|
||||
completion_item_with_doc("concat", CompletionItemKind::METHOD, "List.concat(a, b)", "Concatenate two lists"),
|
||||
completion_item_with_doc("range", CompletionItemKind::METHOD, "List.range(start, end)", "Create list from range"),
|
||||
completion_item_with_doc("get", CompletionItemKind::METHOD, "List.get(list, index)", "Get element at index (returns Option)"),
|
||||
completion_item_with_doc("find", CompletionItemKind::METHOD, "List.find(list, predicate)", "Find first matching element"),
|
||||
completion_item_with_doc("isEmpty", CompletionItemKind::METHOD, "List.isEmpty(list)", "Check if list is empty"),
|
||||
completion_item_with_doc("take", CompletionItemKind::METHOD, "List.take(list, n)", "Take first n elements"),
|
||||
completion_item_with_doc("drop", CompletionItemKind::METHOD, "List.drop(list, n)", "Drop first n elements"),
|
||||
completion_item_with_doc("any", CompletionItemKind::METHOD, "List.any(list, predicate)", "Check if any element matches"),
|
||||
completion_item_with_doc("all", CompletionItemKind::METHOD, "List.all(list, predicate)", "Check if all elements match"),
|
||||
]
|
||||
}
|
||||
|
||||
fn get_string_completions(&self) -> Vec<CompletionItem> {
|
||||
vec![
|
||||
completion_item_with_doc("length", CompletionItemKind::METHOD, "String.length(s)", "Get string length"),
|
||||
completion_item_with_doc("split", CompletionItemKind::METHOD, "String.split(s, delimiter)", "Split string by delimiter"),
|
||||
completion_item_with_doc("join", CompletionItemKind::METHOD, "String.join(list, delimiter)", "Join strings with delimiter"),
|
||||
completion_item_with_doc("trim", CompletionItemKind::METHOD, "String.trim(s)", "Remove leading/trailing whitespace"),
|
||||
completion_item_with_doc("contains", CompletionItemKind::METHOD, "String.contains(s, substr)", "Check if contains substring"),
|
||||
completion_item_with_doc("replace", CompletionItemKind::METHOD, "String.replace(s, from, to)", "Replace occurrences"),
|
||||
completion_item_with_doc("chars", CompletionItemKind::METHOD, "String.chars(s)", "Get list of characters"),
|
||||
completion_item_with_doc("lines", CompletionItemKind::METHOD, "String.lines(s)", "Split into lines"),
|
||||
completion_item_with_doc("fromChar", CompletionItemKind::METHOD, "String.fromChar(c)", "Convert char to string"),
|
||||
]
|
||||
}
|
||||
|
||||
fn get_option_result_completions(&self) -> Vec<CompletionItem> {
|
||||
vec![
|
||||
completion_item_with_doc("isSome", CompletionItemKind::METHOD, "Option.isSome(opt)", "Check if Option has value"),
|
||||
completion_item_with_doc("isNone", CompletionItemKind::METHOD, "Option.isNone(opt)", "Check if Option is empty"),
|
||||
completion_item_with_doc("getOrElse", CompletionItemKind::METHOD, "Option.getOrElse(opt, default)", "Get value or default"),
|
||||
completion_item_with_doc("map", CompletionItemKind::METHOD, "Option.map(opt, fn)", "Transform value if present"),
|
||||
completion_item_with_doc("flatMap", CompletionItemKind::METHOD, "Option.flatMap(opt, fn)", "Chain Option operations"),
|
||||
completion_item_with_doc("isOk", CompletionItemKind::METHOD, "Result.isOk(result)", "Check if Result is Ok"),
|
||||
completion_item_with_doc("isErr", CompletionItemKind::METHOD, "Result.isErr(result)", "Check if Result is Err"),
|
||||
]
|
||||
}
|
||||
|
||||
fn get_console_completions(&self) -> Vec<CompletionItem> {
|
||||
vec![
|
||||
completion_item_with_doc("print", CompletionItemKind::METHOD, "Console.print(msg)", "Print to console"),
|
||||
completion_item_with_doc("readLine", CompletionItemKind::METHOD, "Console.readLine()", "Read line from input"),
|
||||
completion_item_with_doc("readInt", CompletionItemKind::METHOD, "Console.readInt()", "Read integer from input"),
|
||||
]
|
||||
}
|
||||
|
||||
fn get_math_completions(&self) -> Vec<CompletionItem> {
|
||||
vec![
|
||||
completion_item_with_doc("abs", CompletionItemKind::METHOD, "Math.abs(n)", "Absolute value"),
|
||||
completion_item_with_doc("min", CompletionItemKind::METHOD, "Math.min(a, b)", "Minimum of two values"),
|
||||
completion_item_with_doc("max", CompletionItemKind::METHOD, "Math.max(a, b)", "Maximum of two values"),
|
||||
completion_item_with_doc("sqrt", CompletionItemKind::METHOD, "Math.sqrt(n)", "Square root"),
|
||||
completion_item_with_doc("pow", CompletionItemKind::METHOD, "Math.pow(base, exp)", "Power function"),
|
||||
completion_item_with_doc("floor", CompletionItemKind::METHOD, "Math.floor(n)", "Round down"),
|
||||
completion_item_with_doc("ceil", CompletionItemKind::METHOD, "Math.ceil(n)", "Round up"),
|
||||
completion_item_with_doc("round", CompletionItemKind::METHOD, "Math.round(n)", "Round to nearest"),
|
||||
]
|
||||
}
|
||||
|
||||
fn handle_goto_definition(
|
||||
&self,
|
||||
_params: GotoDefinitionParams,
|
||||
@@ -350,3 +551,41 @@ where
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Context for completion suggestions
|
||||
#[derive(PartialEq)]
|
||||
enum CompletionContext {
|
||||
/// After a dot (e.g., "List.")
|
||||
ModuleAccess,
|
||||
/// General context (keywords, types, etc.)
|
||||
General,
|
||||
}
|
||||
|
||||
/// Create a simple completion item
|
||||
fn completion_item(label: &str, kind: CompletionItemKind, detail: &str) -> CompletionItem {
|
||||
CompletionItem {
|
||||
label: label.to_string(),
|
||||
kind: Some(kind),
|
||||
detail: Some(detail.to_string()),
|
||||
..Default::default()
|
||||
}
|
||||
}
|
||||
|
||||
/// Create a completion item with documentation
|
||||
fn completion_item_with_doc(
|
||||
label: &str,
|
||||
kind: CompletionItemKind,
|
||||
signature: &str,
|
||||
doc: &str,
|
||||
) -> CompletionItem {
|
||||
CompletionItem {
|
||||
label: label.to_string(),
|
||||
kind: Some(kind),
|
||||
detail: Some(signature.to_string()),
|
||||
documentation: Some(lsp_types::Documentation::MarkupContent(MarkupContent {
|
||||
kind: MarkupKind::Markdown,
|
||||
value: doc.to_string(),
|
||||
})),
|
||||
..Default::default()
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user