feat: godot, webassembly, mongodb, powershell, vim, cobol, ruby, php, c++ and c#

README.md

@@ -150,42 +150,52 @@ And for inline code block you just have to change the class property
 
 ## Languages supported 🌐
 
-| Name       | Class name          | Support                                             | Language detection |
-| ---------- | ------------------- | --------------------------------------------------- | ------------------ |
-| asm        | shj-lang-asm        |                                                     | ✅                 |
-| bash       | shj-lang-bash       |                                                     | ✅                 |
-| brainfuck  | shj-lang-bf         | increment, operator, print, comment                 | ❌                 |
-| c          | shj-lang-c          |                                                     | ✅                 |
-| css        | shj-lang-css        | comment, str, selector, units, function, ...        | ✅                 |
-| csv        | shj-lang-csv        | punctuation, ...                                    | ❌                 |
-| diff       | shj-lang-diff       |                                                     | ✅                 |
-| docker     | shj-lang-docker     |                                                     | ✅                 |
-| git        | shj-lang-git        | comment, insert, deleted, string, ...               | ❌                 |
-| go         | shj-lang-go         |                                                     | ✅                 |
-| html       | shj-lang-html       |                                                     | ✅                 |
-| http       | shj-lang-http       | keywork, string, punctuation, variable, version     | ✅                 |
-| ini        | shj-lang-ini        |                                                     | ❌                 |
-| java       | shj-lang-java       |                                                     | ✅                 |
-| javascipt  | shj-lang-js         | basic syntax, regex, jsdoc, json, template literals | ✅                 |
-| jsdoc      | shj-lang-jsdoc      |                                                     | ❌                 |
-| json       | shj-lang-json       | string, number, bool, ...                           | ❌                 |
-| leanpub-md | shj-lang-leanpub-md |                                                     | ❌                 |
-| log        | shj-lang-log        | number, string, comment, errors                     | ❌                 |
-| lua        | shj-lang-lua        |                                                     | ✅                 |
-| makefile   | shj-lang-make       |                                                     | ✅                 |
-| markdown   | shj-lang-md         |                                                     | ✅                 |
-| perl       | shj-lang-pl         |                                                     | ✅                 |
-| plain      | shj-lang-plain      |                                                     | ❌                 |
-| python     | shj-lang-py         |                                                     | ✅                 |
-| regex      | shj-lang-regex      | count, set, ...                                     | ❌                 |
-| rust       | shj-lang-rs         |                                                     | ✅                 |
-| sql        | shj-lang-sql        | number, string, function, ...                       | ✅                 |
-| todo       | shj-lang-todo       |                                                     | ❌                 |
-| toml       | shj-lang-toml       | comment, table, string, bool, variable              | ❌                 |
-| typescript | shj-lang-ts         | js syntax, ts keyword, types                        | ✅                 |
-| uri        | shj-lang-uri        |                                                     | ✅                 |
-| xml        | shj-lang-xml        |                                                     | ✅                 |
-| yaml       | shj-lang-yaml       | comment, numbers, variable, string, bool            | ❌                 |
+| Name        | Class name          | Support                                             | Language detection |
+| ----------- | ------------------- | --------------------------------------------------- | ------------------ |
+| asm         | shj-lang-asm        |                                                     | ✅                 |
+| bash        | shj-lang-bash       |                                                     | ✅                 |
+| brainfuck   | shj-lang-bf         | increment, operator, print, comment                 | ❌                 |
+| c           | shj-lang-c          |                                                     | ✅                 |
+| c#          | shj-lang-cs         |                                                     | ✅                 |
+| c++         | shj-lang-cpp        |                                                     | ✅                 |
+| cobol       | shj-lang-cobol      |                                                     | ✅                 |
+| css         | shj-lang-css        | comment, str, selector, units, function, ...        | ✅                 |
+| csv         | shj-lang-csv        | punctuation, ...                                    | ❌                 |
+| diff        | shj-lang-diff       |                                                     | ✅                 |
+| docker      | shj-lang-docker     |                                                     | ✅                 |
+| gdscript    | shj-lang-gd         |                                                     | ❌                 |
+| git         | shj-lang-git        | comment, insert, deleted, string, ...               | ❌                 |
+| go          | shj-lang-go         |                                                     | ✅                 |
+| html        | shj-lang-html       |                                                     | ✅                 |
+| http        | shj-lang-http       | keywork, string, punctuation, variable, version     | ✅                 |
+| ini         | shj-lang-ini        |                                                     | ❌                 |
+| java        | shj-lang-java       |                                                     | ✅                 |
+| javascipt   | shj-lang-js         | basic syntax, regex, jsdoc, json, template literals | ✅                 |
+| jsdoc       | shj-lang-jsdoc      |                                                     | ❌                 |
+| json        | shj-lang-json       | string, number, bool, ...                           | ❌                 |
+| leanpub-md  | shj-lang-leanpub-md |                                                     | ❌                 |
+| log         | shj-lang-log        | number, string, comment, errors                     | ❌                 |
+| lua         | shj-lang-lua        |                                                     | ✅                 |
+| makefile    | shj-lang-make       |                                                     | ✅                 |
+| markdown    | shj-lang-md         |                                                     | ✅                 |
+| mongodb     | shj-lang-mongodb    |                                                     | ❌                 |
+| perl        | shj-lang-pl         |                                                     | ✅                 |
+| php         | shj-lang-php        |                                                     | ✅                 |
+| plain       | shj-lang-plain      |                                                     | ❌                 |
+| powershell  | shj-lang-ps1        |                                                     | ❌                 |
+| python      | shj-lang-py         |                                                     | ✅                 |
+| regex       | shj-lang-regex      | count, set, ...                                     | ❌                 |
+| ruby        | shj-lang-rb         |                                                     | ✅                 |
+| rust        | shj-lang-rs         |                                                     | ✅                 |
+| sql         | shj-lang-sql        | number, string, function, ...                       | ✅                 |
+| todo        | shj-lang-todo       |                                                     | ❌                 |
+| toml        | shj-lang-toml       | comment, table, string, bool, variable              | ❌                 |
+| typescript  | shj-lang-ts         | js syntax, ts keyword, types                        | ✅                 |
+| uri         | shj-lang-uri        |                                                     | ✅                 |
+| vimscript   | shj-lang-vim        |                                                     | ✅                 |
+| webassembly | shj-lang-wat        |                                                     | ❌                 |
+| xml         | shj-lang-xml        |                                                     | ✅                 |
+| yaml        | shj-lang-yaml       | comment, numbers, variable, string, bool            | ❌                 |
 
 ## Themes 🌈
 

examples/data.js

@@ -50,6 +50,16 @@ export const themesBrowser = [
 /** @type {import('../src/terminal.js').ShjTerminalTheme[]} */
 export const themesTerminal = [
 	'default',
+	'cobol',
+	'cpp',
+	'cs',
+	'gd',
+	'mongodb',
+	'php',
+	'ps1',
+	'rb',
+	'vim',
+	'wat',
 	'atom-dark'
 ]
 

examples/languages/test.cobol

@@ -0,0 +1,60 @@
+      *****************************************************************
+      * PAYROLL EXTRACT - MONTHLY NET PAY LISTING
+      * TODO MOVE THE TAX RATE INTO A COPYBOOK, DON'T PERFORM IT HERE
+       IDENTIFICATION DIVISION.
+       PROGRAM-ID. PAYRUN.
+       AUTHOR. M-DUPONT.
+       ENVIRONMENT DIVISION.
+       INPUT-OUTPUT SECTION.
+       FILE-CONTROL.
+           SELECT EMP-FILE ASSIGN TO "EMPLOYEE.DAT"
+               ORGANIZATION IS SEQUENTIAL
+               FILE STATUS  IS WS-FILE-STATUS.
+      /
+       DATA DIVISION.
+       FILE SECTION.
+       FD  EMP-FILE.
+       01  EMP-RECORD.
+           05  EMP-ID              PIC 9(6).
+           05  EMP-NAME            PICTURE X(30).
+           05  EMP-GROSS           PIC S9(7)V99 COMP-3.
+       WORKING-STORAGE SECTION.
+       01  WS-FLAGS.
+           05  WS-FILE-STATUS      PIC XX       VALUE "00".
+           05  WS-EOF-FLAG         PIC X        VALUE 'N'.
+               88  WS-END-OF-FILE               VALUE 'Y'.
+       01  WS-WORK-AREAS.
+           05  WS-READ-COUNT       PIC 9(5)     VALUE ZERO.
+           05  WS-NET-PAY          PIC S9(7)V99 VALUE +0.00.
+           05  WS-TAX-RATE         PIC V9(4)    VALUE 0.1750.
+           05  WS-EDIT-NAME        PIC X(20)    VALUE SPACES.
+           05  WS-EDIT-PAY         PIC ZZ,ZZ9.99-.
+       PROCEDURE DIVISION.
+       0000-MAIN-CONTROL.
+           PERFORM 1000-INITIALIZE
+           PERFORM UNTIL WS-END-OF-FILE
+               PERFORM 2000-PROCESS-EMPLOYEE
+           END-PERFORM
+           CLOSE EMP-FILE
+           DISPLAY "RECORDS READ: " WS-READ-COUNT
+           STOP RUN.
+      *
+       1000-INITIALIZE.
+           OPEN INPUT EMP-FILE
+           IF WS-FILE-STATUS NOT = "00"
+               DISPLAY "OPEN FAILED, STATUS *> " WS-FILE-STATUS
+               MOVE 16 TO RETURN-CODE
+               GOBACK
+           END-IF.
+       2000-PROCESS-EMPLOYEE.
+           READ EMP-FILE
+               AT END
+                   SET WS-END-OF-FILE TO TRUE
+               NOT AT END
+                   ADD 1 TO WS-READ-COUNT
+                   COMPUTE WS-NET-PAY ROUNDED =
+                       EMP-GROSS * (1 - WS-TAX-RATE)
+                   MOVE EMP-NAME(1:20) TO WS-EDIT-NAME
+                   MOVE WS-NET-PAY TO WS-EDIT-PAY
+                   DISPLAY WS-EDIT-NAME WS-EDIT-PAY  *> FIXME ALIGN
+           END-READ.

examples/languages/test.cpp

@@ -0,0 +1,60 @@
+#include <cmath>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <vector>
+#include "logger.hpp"
+
+#define LOG_PREFIX "[mixer] "
+
+namespace dsp::audio {
+
+constexpr std::size_t kMaxFrames = 0x4000;
+
+// TODO: drop the copy in push() once the template deduction is fixed
+template <typename T>
+class RingBuffer {
+public:
+	explicit RingBuffer(std::size_t capacity) : data_(capacity), head_(0) {}
+	RingBuffer& operator=(const RingBuffer&) = delete;
+
+	bool push(const T& value) {
+		if (head_ + 1 >= data_.size())
+			return false;
+		data_[head_++] = value;
+		return true;
+	}
+	std::size_t size() const noexcept { return head_; }
+private:
+	std::vector<T> data_;
+	std::size_t head_;
+};
+
+/*
+ * The curve is a plain exponential, see docs/dsp.md for the derivation.
+ * FIXME: clamp to -60 dB instead of returning the floor value
+ */
+constexpr float gainToDb(float gain) {
+	return gain > 1e-6f ? 20.0f * std::log10(gain) : -120.0f;
+}
+
+}  // namespace dsp::audio
+
+int main(int argc, char** argv) {
+	using namespace dsp::audio;
+	auto buffer = std::make_unique<RingBuffer<float>>(kMaxFrames);
+	const char* usage = R"(usage: mix [--gain 0.5] // slashes are literal here)";
+	std::string path = argc > 1 ? argv[1] : "//tmp/render.wav";
+	auto total = 0.0f;
+	std::vector<float> frames{0.25f, 0.5f, 1.0f};
+	auto scale = [&total](float f) { total += f * 0.5f; };
+	for (float f : frames)
+		scale(f);
+
+	if (argc < 2 || argv == nullptr) {
+		std::cerr << usage << '\n';
+		return 1;
+	}
+	std::cout << LOG_PREFIX << path << " gain = " << gainToDb(total) << " dB\n";
+	return buffer->size() > 0 && total < 1.0f ? 0 : 2;
+}

examples/languages/test.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.Json.Serialization;
+using System.Threading.Tasks;
+
+#nullable enable
+
+namespace Warehouse.Orders;
+
+[Serializable]
+public record OrderLine(string Sku, int Quantity, double UnitPrice)
+{
+	public double Total => Quantity * UnitPrice;
+}
+
+public class OrderRepository
+{
+	private const string Endpoint = "https://api.example.com/v1/orders";
+	private static readonly char Separator = '\t';
+	private readonly Dictionary<string, OrderLine> _cache = new();
+	private bool _dirty = false;
+	private const string Fallback = "unknown-sku";
+	private const decimal VatRate = 0.20m;
+	private static readonly decimal FreeShippingFrom = 1500.50m;
+
+	public const string SchemaHint = """
+		{ "kind": "order", "version": 2 }
+		""";
+
+	[JsonPropertyName("shipped_at")]
+	public DateTime? ShippedAt { get; set; }
+
+	public bool IsEmpty => _cache.Count == 0;
+
+	public OrderLine Default() => _cache[Fallback];
+
+	public decimal WithVat(decimal amount) => amount * (1m + VatRate);
+
+	// TODO: switch to a streaming reader once the gateway supports it
+	public async Task<int> SyncAsync(IEnumerable<OrderLine> lines, int? limit = null)
+	{
+		var taken = 0;
+		foreach (var line in lines)
+		{
+			if (limit is int max && taken>=max)
+				break;
+
+			_cache[line.Sku] = line;
+			taken+=1;
+		}
+
+		_dirty = true;
+		await Task.Delay(TimeSpan.FromMilliseconds(250));
+		return taken;
+	}
+
+	/* The verbatim path below is Windows only. We keep the old share
+	   around while the migration to the object store is not finished. */
+	public string DumpPath => @"C:\exports\orders\daily.csv";
+
+	public string Describe(OrderLine line)
+	{
+		var label = line.Quantity > 1 ? "units" : "unit";
+		return $"{line.Sku} - {line.Quantity} {label} at {line.UnitPrice:0.00}";
+	}
+
+	public IReadOnlyList<string> Expensive(double threshold = 0.08)
+	{
+		var query = from entry in _cache.Values
+			where entry.Total > threshold
+			orderby entry.Total descending
+			select entry.Sku;
+
+		return query.ToList();
+	}
+
+	public static string Quote(string who) => $@"He answered ""{who}"" and left";
+}

examples/languages/test.gd

@@ -0,0 +1,64 @@
+class_name Player
+extends CharacterBody2D
+
+## Side scroller player: walk, jump, take damage.
+# TODO: double jump is not wired yet, extends and signal stay as is
+
+signal health_changed(amount: int)
+
+const MAX_HEALTH := 100
+const GRAVITY := 980.0
+const HURT_SOUND = preload("res://sfx/hurt.ogg")
+const HELP_TEXT := """
+Arrows to move, space to jump.
+If not on the floor you can still jump for a moment.
+Build #42 - report bugs to the studio.
+"""
+
+@export var speed: float = 220.0
+@export_range(0.0, 1.0) var friction := 0.15
+@export var invincible: bool = false
+
+@onready var sprite: AnimatedSprite2D = $Visuals/AnimatedSprite2D
+@onready var label := %HealthLabel
+
+enum State { IDLE, RUN, JUMP }
+var state: State = State.IDLE
+var health := MAX_HEALTH
+var _coyote := 0.0
+
+
+func _ready() -> void:
+	$HurtBox.body_entered.connect(_on_hit)
+	label.text = "HP %d/%d" % [health, MAX_HEALTH]
+	print("loaded # not a comment, still a string")
+
+
+func _physics_process(delta: float) -> void:
+	if not is_on_floor():
+		velocity.y += GRAVITY*delta
+		_coyote = maxf(_coyote-delta, 0.0)
+	else:
+		_coyote = 0.12
+
+	var dir := Input.get_axis('move_left', 'move_right')
+	velocity.x = lerpf(velocity.x, dir*speed, friction)
+	if Input.is_action_just_pressed("jump") and _coyote > 0.0:
+		velocity.y = -420.0
+
+	match state:
+		State.RUN when is_zero_approx(dir):
+			state = State.IDLE
+		_:
+			sprite.play(&"idle")
+	move_and_slide()
+
+
+func _on_hit(body: Node2D) -> void:
+	if invincible or not (body is Enemy):
+		return
+	health = clampi(health-body.damage, 0, MAX_HEALTH)
+	health_changed.emit(health)
+	if health == 0:
+		await get_tree().create_timer(0.5).timeout
+		queue_free()