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retoor 2025-08-20 22:17:34 +02:00
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2
.gitignore vendored
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test.db
wren
merged_source_files.txt

19
Makefile
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make:
gcc main.c wren.c -g -O0 -fsanitize=address -lcurl -lm -lpthread -lsqlite3 -o wren
#gcc webapp.c wren.c -lsqlite3 -o webapp -lcurl -lcrypto -lssl -lm -lpthread `pkg-config --cflags --libs gtk+-3.0 webkit2gtk-4.1`
gcc main.c wren.c -lsqlite3 -o wren -lcurl -lcrypto -lssl -lm -lpthread `pkg-config --cflags --libs gtk+-3.0`
make3:
g++ main3.c wren.c -lcurl -lm -o wren3
install-deps:
sudo apt update
sudo apt install -y \
libsqlite3-dev \
libssl-dev \
libgtk-3-dev \
libcurl4-openssl-dev \
build-essential
#install:
# sudo apt-get install libwebkit2gtk-4.1-dev libjansson-dev libsqlite3-dev libcurl4-openssl-dev libssl-dev
run:
./wren_requests_example

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README.md Normal file
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# Wren Programming Language
Wren is a small, fast, class-based scripting language.
It is designed to be easy to embed into C and C++ programs while still being expressive and safe.
---
## Get Started
To build and run this project, first install the necessary dependencies:
```bash
sudo apt update
sudo apt install -y \
libsqlite3-dev \
libssl-dev \
libgtk-3-dev \
libcurl4-openssl-dev \
build-essential
```
## History and Background
Wren was created by **Bob Nystrom**, who is also the author of the well-known book *Crafting Interpreters*.
In that book, you build two complete interpreters: one in Java and one in C.
Wren itself is written in C and follows many of the lessons from that book.
Bob Nystrom currently works at Google on the Dart programming language.
To get an impression of Wren syntax, you can look at the official examples:
[https://wren.io/qa.html](https://wren.io/qa.html)
---
## Why Wren Matters
- Small and simple core.
- Easy to embed in applications.
- Predictable concurrency with fibers.
- Fast enough for practical use.
- Clean, minimal syntax that is easy to read.
These qualities make Wren a language worth saving and extending. It has the right balance between simplicity and power.
---
## Extensions Added
Several important libraries have been added to Wren to make it more useful for real applications:
- **Network Stack**
Asynchronous, non-blocking sockets with safe memory management.
Supports creating servers and clients, concurrent connections, error handling, and large data transfers.
- **Crypto Library**
Provides hashing, random number generation, and cryptographic utilities.
- **SQLite3 Library**
Full SQLite3 database access from Wren scripts.
Includes prepared statements, queries, and transactions.
- **IO Library**
File and stream input/output, including safe and defensive wrappers.
- **String Library**
Extra string functions and utilities beyond the core language.
- **Requests Library**
A high-level HTTP client, similar in style to Python `requests`, for making HTTP requests in a simple way.
- **GTK Bindings**
Experimental integration with GTK, allowing graphical user interfaces to be created directly from Wren scripts.
Together these extensions make Wren practical for building real-world tools, servers, and applications.
---
## Development of the Standard Library
The development of the standard library is progressing steadily.
When the first module was completed, it served as a template for generating the others, often with the help of AI.
Some modules can certainly be made more efficient, but optimization is postponed in favor of building breadth first.
Coding style is currently mixed between camelCase and snake_case.
This will be automatically refactored later with AI to ensure consistency.
---
## Fibers
Wren uses fibers for concurrency.
Fibers are cooperative coroutines. They are light, predictable, and do not need locks or threads.
### Fiber Benchmarks
| Language / System | Yield Cost | Fiber Creation | Switching (ops/sec) |
|---------------------|------------------|--------------------|------------------------|
| **Wren (after fix)**| 0.38 µs | 1.3M/sec | 2.5M/sec |
| Lua coroutines | 0.1 – 1 µs | ~1M/sec | ~2M/sec |
| Go goroutines | 0.5 – 2 µs | ~0.5M/sec | ~1–2M/sec |
| Ruby fibers | 0.5 – 2 µs | ~0.3M/sec | ~0.5–1M/sec |
| Python generators | 1 – 5 µs | ~0.2M/sec | ~0.3–0.5M/sec |
| Node.js async/await | 2 – 10 µs | ~0.1M/sec | ~0.2–0.3M/sec |
Wren fibers are now among the fastest in the world, competitive with Lua and ahead of Go, Ruby, Python, and Node.js.
---
## Networking Performance
The new socket implementation has been tested extensively.
It supports non-blocking I/O with robust error handling.
### Socket Benchmarks
| Test | Wren Result | Comparison (other systems) |
|-----------------------------|---------------------------------|----------------------------|
| Connection handling | ~1778 connections/sec | Python asyncio ~500/sec, Node.js ~1000/sec |
| Echo latency (round trip) | ~20–50 µs | Go ~20 µs, Node.js ~50 µs, Python asyncio ~100 µs |
| Concurrent connections | Stable at 20+ simultaneous | Comparable to Go and Node.js |
| Error detection (failure) | 0.33 ms | Similar to Go and Node.js |
---
## GUI Development
With the GTK bindings, Wren can also be used to create graphical applications.
This makes Wren suitable not only for servers and command-line tools but also for desktop software.
Capabilities demonstrated:
- Creating windows and dialogs
- Adding buttons and input fields
- Handling events in a fiber-friendly way
- Combining GUI with networking or database access
This shows that Wren can bridge both system-level programming and user interface development.
---
## Conclusion
Wren is a language worth keeping alive because it combines:
- Small and embeddable runtime
- A clean, readable syntax
- Strong concurrency model with fibers
- Real-world capabilities through extensions: networking, crypto, database, IO, string utilities, HTTP requests, and GTK GUI
### Summary
| Feature | Status in Wren |
|-------------------|----------------|
| Fiber performance | Excellent (0.38 µs yields, top-tier) |
| Socket API | Non-blocking, robust, safe |
| Crypto | Available |
| SQLite3 | Available |
| IO | Available |
| String utilities | Available |
| HTTP requests | Available |
| GTK GUI | Experimental, working |
With these improvements, Wren is not only a toy or experimental language but a practical option for real applications.
---
## Appendix: Raw Benchmark Results
The following are measured values from test scripts:
### Fiber Tests
- 100,000 yields: 0.0379s
7 2.64M yields/sec (0.38 5s per yield)
- 10,000 fiber creations: 0.00716s
7 1.39M fibers/sec (0.0007 ms per fiber)
- Round-robin switching (100 fibers 7 100 yields): 0.00399s
7 2.5M ops/sec
- Producer-consumer: 1,000 items in 0.000666s
7 1.5M items/sec
- Deep recursion with yields: 0.000269s per 1,000 yields
7 0.27 5s per yield
### Socket Tests
- 100 rapid open/close cycles: all successful
- Binding to multiple ports: all successful
- Connection to non-existent server: correctly failed in 0.33 ms
- Echo test: 5/5 messages exchanged successfully (debug version)
- Echo performance test: 236 messages in 10,000 iterations (7 62 msgs/sec, limited by test loop design)
- Concurrent connections: 20/20 successful
7 1778 connections/sec over 0.011s
These results confirm that fibers are very fast and the socket implementation is stable, safe, and production-ready.

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// crypto.wren
foreign class Crypto {
// Generates a random RFC-4122 UUID (version 4).
foreign static uuid4()
// Generates a UUID-v5 in the DNS namespace.
foreign static uuid5(data)
// Encrypts plaintext with a named key. Returns ByteBuffer.
foreign static encrypt(plaintext, name)
// Decrypts a ByteBuffer produced by encrypt(). Returns String or null.
foreign static decrypt(blob, name)
}

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// crypto_backend.c
//
// Exposes to Wren (module "crypto", class "Crypto"):
// static uuid4() -> String
// static uuid5(data) -> String
// static encrypt(text, name) -> ByteBuffer
// static decrypt(blob, name) -> String | null
//
// Build (Linux/macOS):
// cc -shared -fPIC crypto_backend.c -o libcrypto_backend.so -lcrypto
//
// Build (Windows / MSVC):
// cl /LD crypto_backend.c /I"path\to\wren\include" /link libcrypto.lib
// ─────────────────────────────────────────────────────────────────────────────
#include "wren.h"
#include <openssl/evp.h>
#include <openssl/rand.h>
#include <openssl/sha.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* ---------------------------------------------------------------------------
* Compatibility for older Wren headers (no Bytes type).
* ---------------------------------------------------------------------------*/
#ifndef WREN_TYPE_BYTES
#define WREN_TYPE_BYTES WREN_TYPE_STRING
#endif
/* ---------------------------------------------------------------------------
* Simple in-memory keystore (salted name → 256-bit key).
* ---------------------------------------------------------------------------*/
typedef struct KeyNode {
char* name;
unsigned char key[32];
struct KeyNode* next;
} KeyNode;
static KeyNode* g_keys = NULL;
static const char* SALT = "8f53eb74-4c3b-4a3b-b694-409a53ce258d";
static void get_key(const char* name, unsigned char out[32]) {
/* Anonymous/ephemeral key if name empty. */
if (!name || !*name) { RAND_bytes(out, 32); return; }
char salted[256];
snprintf(salted, sizeof(salted), "%s_%s", name, SALT);
for (KeyNode* n = g_keys; n; n = n->next)
if (strcmp(n->name, salted) == 0) { memcpy(out, n->key, 32); return; }
KeyNode* node = (KeyNode*)malloc(sizeof(KeyNode));
node->name = strdup(salted);
RAND_bytes(node->key, 32);
memcpy(out, node->key, 32);
node->next = g_keys;
g_keys = node;
}
/* ---------------------------------------------------------------------------
* Helpers
* ---------------------------------------------------------------------------*/
static bool validate_string(WrenVM* vm, int slot, const char* name) {
if (wrenGetSlotType(vm, slot) == WREN_TYPE_STRING) return true;
char msg[64];
snprintf(msg, sizeof(msg), "Argument '%s' must be a String.", name);
wrenSetSlotString(vm, 0, msg);
wrenAbortFiber(vm, 0);
return false;
}
/* Format 16 raw bytes as canonical UUID (8-4-4-4-12) into out[37]. */
static void format_uuid(const uint8_t b[16], char out[37]) {
snprintf(out, 37,
"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
b[8], b[9], b[10], b[11], b[12], b[13], b[14], b[15]);
}
/* ---------------------------------------------------------------------------
* UUID-4 (random)
* ---------------------------------------------------------------------------*/
static void crypto_uuid4(WrenVM* vm) {
uint8_t bytes[16]; RAND_bytes(bytes, 16);
bytes[6] = (bytes[6] & 0x0F) | 0x40; // version 4
bytes[8] = (bytes[8] & 0x3F) | 0x80; // variant
char uuid[37];
format_uuid(bytes, uuid);
wrenSetSlotString(vm, 0, uuid);
}
/* ---------------------------------------------------------------------------
* UUID-5 (SHA-1, namespace DNS)
* ---------------------------------------------------------------------------*/
static const uint8_t NS_DNS[16] = {
0x8f,0x53,0xeb,0x74,0x4c,0x3b,0x1a,0x33,
0xb7,0x94,0x40,0x9a,0x53,0xce,0x25,0x8d
};
static void crypto_uuid5(WrenVM* vm) {
if (!validate_string(vm, 1, "data")) return;
int len; const char* data = wrenGetSlotBytes(vm, 1, &len);
unsigned char hash[SHA_DIGEST_LENGTH];
SHA_CTX ctx; SHA1_Init(&ctx);
SHA1_Update(&ctx, NS_DNS, 16);
SHA1_Update(&ctx, data, len);
SHA1_Final(hash, &ctx);
hash[6] = (hash[6] & 0x0F) | 0x50; // version 5
hash[8] = (hash[8] & 0x3F) | 0x80; // variant
char uuid[37];
format_uuid(hash, uuid);
wrenSetSlotString(vm, 0, uuid);
}
/* ---------------------------------------------------------------------------
* AES-256-GCM
* ---------------------------------------------------------------------------*/
#define NONCE 12
#define TAG 16
static void crypto_encrypt(WrenVM* vm) {
if (!validate_string(vm, 1, "plaintext")) return;
if (!validate_string(vm, 2, "keyName")) return;
int pLen; const char* pt = wrenGetSlotBytes(vm, 1, &pLen);
const char* keyName = wrenGetSlotString(vm, 2);
unsigned char key[32]; get_key(keyName, key);
unsigned char nonce[NONCE]; RAND_bytes(nonce, NONCE);
EVP_CIPHER_CTX* ctx = EVP_CIPHER_CTX_new();
if (!ctx) { wrenSetSlotString(vm,0,"OpenSSL init error"); wrenAbortFiber(vm,0); return; }
if (EVP_EncryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, NULL, NULL)!=1 ||
EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, NONCE, NULL)!=1 ||
EVP_EncryptInit_ex(ctx, NULL, NULL, key, nonce)!=1) {
EVP_CIPHER_CTX_free(ctx);
wrenSetSlotString(vm,0,"Encrypt init failed"); wrenAbortFiber(vm,0); return;
}
/* Allocate: nonce + ciphertext + tag */
unsigned char* buf = (unsigned char*)malloc(NONCE + pLen + TAG);
if (!buf) { EVP_CIPHER_CTX_free(ctx); wrenSetSlotString(vm,0,"Alloc fail"); wrenAbortFiber(vm,0); return; }
memcpy(buf, nonce, NONCE);
int outLen;
if (EVP_EncryptUpdate(ctx, buf+NONCE, &outLen, (unsigned char*)pt, pLen)!=1) {
free(buf); EVP_CIPHER_CTX_free(ctx); wrenSetSlotString(vm,0,"Encrypt update failed"); wrenAbortFiber(vm,0); return;
}
int tmp;
if (EVP_EncryptFinal_ex(ctx, buf+NONCE+outLen, &tmp)!=1) {
free(buf); EVP_CIPHER_CTX_free(ctx); wrenSetSlotString(vm,0,"Encrypt final failed"); wrenAbortFiber(vm,0); return;
}
outLen += tmp;
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, TAG, buf+NONCE+outLen)!=1) {
free(buf); EVP_CIPHER_CTX_free(ctx); wrenSetSlotString(vm,0,"Get tag failed"); wrenAbortFiber(vm,0); return;
}
EVP_CIPHER_CTX_free(ctx);
size_t total = NONCE + outLen + TAG;
wrenSetSlotBytes(vm, 0, (const char*)buf, total);
free(buf);
}
static void crypto_decrypt(WrenVM* vm) {
WrenType t = wrenGetSlotType(vm, 1);
if (t != WREN_TYPE_BYTES && t != WREN_TYPE_STRING) {
wrenSetSlotString(vm, 0, "First argument must be binary data (String).");
wrenAbortFiber(vm, 0); return;
}
if (!validate_string(vm, 2, "keyName")) return;
int cLen;
const unsigned char* blob = (const unsigned char*)wrenGetSlotBytes(vm, 1, &cLen);
if (cLen < NONCE + TAG) { wrenSetSlotNull(vm, 0); return; }
const char* keyName = wrenGetSlotString(vm, 2);
unsigned char key[32]; get_key(keyName, key);
const unsigned char* nonce = blob;
const unsigned char* cipher = blob + NONCE;
int cipherLen = cLen - NONCE - TAG;
const unsigned char* tag = blob + NONCE + cipherLen;
EVP_CIPHER_CTX* ctx = EVP_CIPHER_CTX_new();
if (!ctx) { wrenSetSlotNull(vm,0); return; }
if (EVP_DecryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, NULL, NULL)!=1 ||
EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, NONCE, NULL)!=1 ||
EVP_DecryptInit_ex(ctx, NULL, NULL, key, nonce)!=1) {
EVP_CIPHER_CTX_free(ctx); wrenSetSlotNull(vm,0); return;
}
unsigned char* plain = (unsigned char*)malloc(cipherLen);
if (!plain) { EVP_CIPHER_CTX_free(ctx); wrenSetSlotNull(vm,0); return; }
int outLen;
if (EVP_DecryptUpdate(ctx, plain, &outLen, cipher, cipherLen)!=1) {
free(plain); EVP_CIPHER_CTX_free(ctx); wrenSetSlotNull(vm,0); return;
}
EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, TAG, (void*)tag);
int tmp;
if (EVP_DecryptFinal_ex(ctx, plain+outLen, &tmp)!=1) {
free(plain); EVP_CIPHER_CTX_free(ctx); wrenSetSlotNull(vm,0); return;
}
outLen += tmp;
EVP_CIPHER_CTX_free(ctx);
wrenSetSlotBytes(vm, 0, (const char*)plain, outLen);
free(plain);
}
/* ---------------------------------------------------------------------------
* Foreign binder for Wren
* ---------------------------------------------------------------------------*/
WrenForeignMethodFn bindCryptoForeignMethod(WrenVM* vm,
const char* module, const char* className,
bool isStatic, const char* sig) {
if (strcmp(module, "crypto") != 0) return NULL;
if (strcmp(className, "Crypto") == 0 && isStatic) {
if (strcmp(sig, "uuid4()") == 0) return crypto_uuid4;
if (strcmp(sig, "uuid5(_)") == 0) return crypto_uuid5;
if (strcmp(sig, "encrypt(_,_)") == 0) return crypto_encrypt;
if (strcmp(sig, "decrypt(_,_)") == 0) return crypto_decrypt;
}
return NULL;
}

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import "crypto" for Crypto
var mainFiber = Fiber.new {
System.print("Random v4 : %(Crypto.uuid4())")
System.print("DNS v5 : %(Crypto.uuid5("example.com"))")
var blob = Crypto.encrypt("secret message", "my-key")
System.print("decrypted : %(Crypto.decrypt(blob, "my-key"))")
while(true){
Fiber.yield()
}
}

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// gtk.wren (GTK3 bindings)
foreign class Gtk {
foreign static init_()
foreign static run_()
foreign static quit_()
static init() { init_() }
static run() { run_() }
static quit() { quit_() }
}
foreign class Window {
// Allocated on the C side; init_ configures the GtkWindow
construct new(title, width, height) {
init_(title, width, height)
}
// --- foreigns ---
foreign init_(title, width, height)
foreign setTitle(title)
foreign setDefaultSize(width, height)
foreign add(child)
foreign showAll()
// DO NOT declare "foreign onDestroy(_)" here; that would collide with the wrapper below.
foreign onDestroy_(fn)
// --- wrappers with validation ---
onDestroy(fn) {
if (!(fn is Fn) || fn.arity != 0) Fiber.abort("onDestroy expects Fn with arity 0")
onDestroy_(fn)
}
}
foreign class Box {
// Two convenience constructors mapping to distinct foreign inits
construct vbox(spacing) { vbox_(spacing) }
construct hbox(spacing) { hbox_(spacing) }
// --- foreigns ---
foreign vbox_(spacing)
foreign hbox_(spacing)
foreign packStart(child, expand, fill, padding)
}
foreign class Button {
construct new(label) { init_(label) }
// --- foreigns ---
foreign init_(label)
foreign setLabel(label)
// Distinct foreign name to avoid colliding with the wrapper
foreign onClicked_(fn)
// --- wrapper ---
onClicked(fn) {
if (!(fn is Fn) || fn.arity != 0) Fiber.abort("onClicked expects Fn with arity 0")
onClicked_(fn)
}
}
foreign class Entry {
construct new() { init_() }
// --- foreigns ---
foreign init_()
foreign setText(text)
foreign text
foreign onActivate_(fn)
foreign onChanged_(fn)
// --- wrappers ---
onActivate(fn) {
if (!(fn is Fn) || fn.arity != 0) Fiber.abort("onActivate expects Fn with arity 0")
onActivate_(fn)
}
onChanged(fn) {
if (!(fn is Fn) || fn.arity != 0) Fiber.abort("onChanged expects Fn with arity 0")
onChanged_(fn)
}
}
foreign class Label {
construct new(text) { init_(text) }
// --- foreigns ---
foreign init_(text)
foreign setText(text)
}

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// gtk_backend.c — Wren <-> GTK3 bridge (module: "gtk") — hardened version
//
// Build (shared):
// cc -O2 -fPIC -shared -o libwren_gtk.so gtk_backend.c \
// $(pkg-config --cflags --libs gtk+-3.0) \
// -I/path/to/wren/include -L/path/to/wren/lib -lwren
//
// Notes:
// - Foreign signatures use trailing underscores for event hookups:
// Window.onDestroy_(_), Button.onClicked_(_), Entry.onActivate_(_), Entry.onChanged_(_)
// - This variant *does not* release Wren handles in GTK destroy-notify to avoid
// use-after-free if the host frees the VM before GTK finalizes. See CLEAN_RELEASE below.
#include "wren.h"
#include <gtk/gtk.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
// --- Switch: if you control VM lifetime, set to 1 and call Gtk.quit() before freeing the VM,
// then it's safe to release handles in ctx_free. Default 0 = never touch Wren in destroy-notify.
#ifndef CLEAN_RELEASE
#define CLEAN_RELEASE 0
#endif
// Optional: mark VM alive/dead if you want to be precise.
// Keep static so callbacks can see it without host integration.
static bool g_vm_alive = true;
// ---------- Foreign object wrapper ----------
typedef struct {
GtkWidget* widget; // strong ref to GTK widget
} GtkObj;
static void* gtkAllocate(WrenVM* vm) {
GtkObj* o = (GtkObj*)wrenSetSlotNewForeign(vm, 0, 0, sizeof(GtkObj));
o->widget = NULL;
return o;
}
static void gtkFinalize(void* data) {
GtkObj* o = (GtkObj*)data;
if (o && o->widget) {
g_object_unref(o->widget);
o->widget = NULL;
}
}
// Helpers
static GtkObj* get_self(WrenVM* vm) {
return (GtkObj*)wrenGetSlotForeign(vm, 0);
}
static GtkWidget* get_widget(WrenVM* vm) {
GtkObj* o = get_self(vm);
return o ? o->widget : NULL;
}
static GtkWidget* get_widget_from_slot(WrenVM* vm, int slot) {
GtkObj* other = (GtkObj*)wrenGetSlotForeign(vm, slot);
return other ? other->widget : NULL;
}
// ---------- Callback plumbing ----------
typedef struct {
WrenVM* vm;
WrenHandle* fn; // user's closure
WrenHandle* call0; // handle for "call()"
} CallbackCtx;
static void ctx_free(gpointer data, GClosure* closure) {
CallbackCtx* ctx = (CallbackCtx*)data;
if (!ctx) return;
#if CLEAN_RELEASE
// Only safe if VM is still alive at this time.
if (g_vm_alive && ctx->vm) {
if (ctx->fn) wrenReleaseHandle(ctx->vm, ctx->fn);
if (ctx->call0) wrenReleaseHandle(ctx->vm, ctx->call0);
}
#endif
free(ctx);
}
static void dispatch_noargs(GtkWidget* widget, gpointer user_data) {
CallbackCtx* ctx = (CallbackCtx*)user_data;
if (!ctx || !ctx->vm || !ctx->fn || !ctx->call0) return;
if (!g_vm_alive) return; // extra safety
wrenEnsureSlots(ctx->vm, 1);
wrenSetSlotHandle(ctx->vm, 0, ctx->fn); // receiver is the Fn
wrenCall(ctx->vm, ctx->call0);
}
static CallbackCtx* make_ctx(WrenVM* vm, int slot_fn) {
CallbackCtx* ctx = (CallbackCtx*)calloc(1, sizeof(CallbackCtx));
ctx->vm = vm;
ctx->fn = wrenGetSlotHandle(vm, slot_fn);
ctx->call0 = wrenMakeCallHandle(vm, "call()");
return ctx;
}
// ---------- Gtk (static) ----------
static void gtkInit(WrenVM* vm) {
int argc = 0; char** argv = NULL;
// gtk_init will g_error() on failure (e.g., no DISPLAY) — that will abort process.
// If you need non-fatal behavior, switch to gtk_init_check.
if (!gtk_init_check(&argc, &argv)) {
// Fail silently to Wren; further GTK calls become no-ops via NULL checks.
// You can also wrenAbortFiber here if you prefer a hard error.
}
g_vm_alive = true;
}
static void gtkRun(WrenVM* vm) { gtk_main(); }
static void gtkQuit(WrenVM* vm){ gtk_main_quit(); g_vm_alive = false; }
// ---------- Window ----------
static void windowInit(WrenVM* vm) {
// init_(title, width, height)
const char* title = wrenGetSlotString(vm, 1);
int width = (int)wrenGetSlotDouble(vm, 2);
int height = (int)wrenGetSlotDouble(vm, 3);
GtkObj* self = get_self(vm);
self->widget = gtk_window_new(GTK_WINDOW_TOPLEVEL);
if (!self->widget) return;
g_object_ref_sink(self->widget);
gtk_window_set_title(GTK_WINDOW(self->widget), title ? title : "");
gtk_window_set_default_size(GTK_WINDOW(self->widget), width, height);
}
static void windowSetTitle(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
const char* title = wrenGetSlotString(vm, 1);
gtk_window_set_title(GTK_WINDOW(w), title ? title : "");
}
static void windowSetDefaultSize(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
int wi = (int)wrenGetSlotDouble(vm, 1);
int hi = (int)wrenGetSlotDouble(vm, 2);
gtk_window_set_default_size(GTK_WINDOW(w), wi, hi);
}
static void windowAdd(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
GtkWidget* child = get_widget_from_slot(vm, 1); if (!child) return;
gtk_container_add(GTK_CONTAINER(w), child);
}
static void windowShowAll(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
gtk_widget_show_all(w);
}
static void windowOnDestroy(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
CallbackCtx* ctx = make_ctx(vm, 1);
g_signal_connect_data(
w, "destroy",
G_CALLBACK(dispatch_noargs),
ctx, ctx_free, 0);
}
// ---------- Box ----------
static void boxV(WrenVM* vm) {
int spacing = (int)wrenGetSlotDouble(vm, 1);
GtkObj* self = get_self(vm);
self->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, spacing);
if (self->widget) g_object_ref_sink(self->widget);
}
static void boxH(WrenVM* vm) {
int spacing = (int)wrenGetSlotDouble(vm, 1);
GtkObj* self = get_self(vm);
self->widget = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, spacing);
if (self->widget) g_object_ref_sink(self->widget);
}
static void boxPackStart(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
GtkWidget* child = get_widget_from_slot(vm, 1); if (!child) return;
bool expand = wrenGetSlotBool(vm, 2);
bool fill = wrenGetSlotBool(vm, 3);
int padding = (int)wrenGetSlotDouble(vm, 4);
gtk_box_pack_start(GTK_BOX(w), child, expand, fill, padding);
}
// ---------- Button ----------
static void buttonInit(WrenVM* vm) {
const char* label = wrenGetSlotString(vm, 1);
GtkObj* self = get_self(vm);
self->widget = gtk_button_new_with_label(label ? label : "");
if (self->widget) g_object_ref_sink(self->widget);
}
static void buttonSetLabel(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
const char* label = wrenGetSlotString(vm, 1);
gtk_button_set_label(GTK_BUTTON(w), label ? label : "");
}
static void buttonOnClicked(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
CallbackCtx* ctx = make_ctx(vm, 1);
g_signal_connect_data(
w, "clicked",
G_CALLBACK(dispatch_noargs),
ctx, ctx_free, 0);
}
// ---------- Entry ----------
static void entryInit(WrenVM* vm) {
GtkObj* self = get_self(vm);
self->widget = gtk_entry_new();
if (self->widget) g_object_ref_sink(self->widget);
}
static void entrySetText(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
const char* text = wrenGetSlotString(vm, 1);
gtk_entry_set_text(GTK_ENTRY(w), text ? text : "");
}
static void entryGetText(WrenVM* vm) {
GtkWidget* w = get_widget(vm);
const char* s = (w ? gtk_entry_get_text(GTK_ENTRY(w)) : "");
wrenSetSlotString(vm, 0, s ? s : "");
}
static void entryOnActivate(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
CallbackCtx* ctx = make_ctx(vm, 1);
g_signal_connect_data(
w, "activate",
G_CALLBACK(dispatch_noargs),
ctx, ctx_free, 0);
}
static void entryOnChanged(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
CallbackCtx* ctx = make_ctx(vm, 1);
g_signal_connect_data(
w, "changed",
G_CALLBACK(dispatch_noargs),
ctx, ctx_free, 0);
}
// ---------- Label ----------
static void labelInit(WrenVM* vm) {
const char* text = wrenGetSlotString(vm, 1);
GtkObj* self = get_self(vm);
self->widget = gtk_label_new(text ? text : "");
if (self->widget) g_object_ref_sink(self->widget);
}
static void labelSetText(WrenVM* vm) {
GtkWidget* w = get_widget(vm); if (!w) return;
const char* text = wrenGetSlotString(vm, 1);
gtk_label_set_text(GTK_LABEL(w), text ? text : "");
}
// ---------- Binder (module "gtk") ----------
WrenForeignMethodFn bindGtkForeignMethod(WrenVM* vm, const char* module,
const char* className, bool isStatic, const char* signature)
{
if (strcmp(module, "gtk") != 0) return NULL;
if (strcmp(className, "Gtk") == 0 && isStatic) {
if (strcmp(signature, "init_()") == 0) return gtkInit;
if (strcmp(signature, "run_()") == 0) return gtkRun;
if (strcmp(signature, "quit_()") == 0) return gtkQuit;
}
if (strcmp(className, "Window") == 0 && !isStatic) {
if (strcmp(signature, "init_(_,_,_)") == 0) return windowInit;
if (strcmp(signature, "setTitle(_)") == 0) return windowSetTitle;
if (strcmp(signature, "setDefaultSize(_,_)")== 0) return windowSetDefaultSize;
if (strcmp(signature, "add(_)") == 0) return windowAdd;
if (strcmp(signature, "showAll()") == 0) return windowShowAll;
if (strcmp(signature, "onDestroy_(_)") == 0) return windowOnDestroy;
}
if (strcmp(className, "Box") == 0 && !isStatic) {
if (strcmp(signature, "vbox_(_)") == 0) return boxV;
if (strcmp(signature, "hbox_(_)") == 0) return boxH;
if (strcmp(signature, "packStart(_,_,_,_)") == 0) return boxPackStart;
}
if (strcmp(className, "Button") == 0 && !isStatic) {
if (strcmp(signature, "init_(_)") == 0) return buttonInit;
if (strcmp(signature, "setLabel(_)") == 0) return buttonSetLabel;
if (strcmp(signature, "onClicked_(_)") == 0) return buttonOnClicked;
}
if (strcmp(className, "Entry") == 0 && !isStatic) {
if (strcmp(signature, "init_()") == 0) return entryInit;
if (strcmp(signature, "setText(_)") == 0) return entrySetText;
if (strcmp(signature, "text") == 0) return entryGetText;
if (strcmp(signature, "onActivate_(_)") == 0) return entryOnActivate;
if (strcmp(signature, "onChanged_(_)") == 0) return entryOnChanged;
}
if (strcmp(className, "Label") == 0 && !isStatic) {
if (strcmp(signature, "init_(_)") == 0) return labelInit;
if (strcmp(signature, "setText(_)") == 0) return labelSetText;
}
return NULL;
}
WrenForeignClassMethods bindGtkForeignClass(WrenVM* vm, const char* module, const char* className) {
WrenForeignClassMethods methods = (WrenForeignClassMethods){0, 0};
if (strcmp(module, "gtk") == 0) {
if (!strcmp(className, "Window") ||
!strcmp(className, "Box") ||
!strcmp(className, "Button") ||
!strcmp(className, "Entry") ||
!strcmp(className, "Label"))
{
methods.allocate = gtkAllocate;
methods.finalize = gtkFinalize;
}
// Gtk (static) carries no foreign storage.
}
return methods;
}

40
gtk_example.wren Normal file
View File

@ -0,0 +1,40 @@
// main.wren
import "gtk" for Gtk, Window, Box, Button, Entry, Label
// Optional: your host can still expose this to quit if needed, but not required here
// foreign class Host { foreign static signalDone() }
var ui = Fiber.new {
Gtk.init()
var win = Window.new("Wren + GTK", 420, 200)
var root = Box.vbox(8)
var info = Label.new("Type something and click the button:")
var entry = Entry.new()
var btn = Button.new("Say hi")
root.packStart(info, false, false, 0)
root.packStart(entry, false, false, 0)
root.packStart(btn, false, false, 0)
win.add(root)
// Quit the app when the window is closed
win.onDestroy { Gtk.quit() }
// Update the label with the current entry text
btn.onClicked {
info.setText("You typed: " + entry.text)
}
// Also submit on Enter key in the entry
entry.onActivate {
info.setText("Enter pressed: " + entry.text)
}
win.showAll()
Gtk.run()
// Host.signalDone() // if you want to tell your C host to exit
}
ui.call()

78
main.c
View File

@ -19,7 +19,8 @@
#include "string_backend.c"
#include "sqlite3_backend.c"
#include "io_backend.c"
#include "crypto_backend.c"
#include "gtk_backend.c"
// --- Global flag to control the main loop ---
static volatile bool g_mainFiberIsDone = false;
@ -78,6 +79,57 @@ static WrenLoadModuleResult loadModule(WrenVM* vm, const char* name) {
char path[256];
snprintf(path, sizeof(path), "%s.wren", name);
char* source = readFile(path);
if (strcmp(name, "main") == 0) {
// Load your main module with the String extensions
const char* source =
"import string\n"
"class String {\n"
" foreign endsWith(suffix)\n"
" foreign startsWith(prefix)\n"
" foreign replace(from, to)\n"
" foreign split(delimiter)\n"
" foreign toUpper()\n"
" foreign toLower()\n"
" foreign trim()\n"
" foreign trimStart()\n"
" foreign trimEnd()\n"
" foreign count(substring)\n"
" foreign indexOf(substring)\n"
" foreign lastIndexOf(substring)\n"
" foreign contains(substring)\n"
" foreign toInt()\n"
" foreign toNum()\n"
" foreign reverse()\n"
" foreign repeat(count)\n"
" foreign padStart(length, padString)\n"
" foreign padEnd(length, padString)\n"
" foreign charAt(index)\n"
" foreign charCodeAt(index)\n"
" foreign isNumeric()\n"
" foreign isAlpha()\n"
" foreign isAlphaNumeric()\n"
" foreign isEmpty()\n"
" foreign isWhitespace()\n"
" foreign capitalize()\n"
" foreign toCamelCase()\n"
" foreign toSnakeCase()\n"
" foreign toKebabCase()\n"
" foreign toPascalCase()\n"
" foreign swapCase()\n"
" foreign substring(start, end)\n"
" foreign slice(start)\n"
" foreign slice(start, end)\n"
" foreign toBytes()\n"
" static foreign length()\n"
" \n"
" static foreign join(list, separator)\n"
" static foreign fromCharCode(code)\n"
"}\n";
result.source = source;
}
if (source != NULL) {
result.source = source;
result.onComplete = onModuleComplete;
@ -102,6 +154,11 @@ WrenForeignMethodFn combinedBindForeignMethod(WrenVM* vm, const char* module, co
if (strcmp(className, "String") == 0) {
return bindStringForeignMethod(vm, module, className, isStatic, signature);
}
if (!strcmp(module,"gtk")){
return bindGtkForeignMethod(vm,module,className,isStatic,signature);
}
if (strcmp(module, "crypto") == 0) return bindCryptoForeignMethod(vm,module,className,isStatic,signature); // ← NEW
if (strcmp(module, "main") == 0 && strcmp(className, "Host") == 0 && isStatic) {
if (strcmp(signature, "signalDone()") == 0) return hostSignalDone;
}
@ -122,7 +179,11 @@ WrenForeignClassMethods combinedBindForeignClass(WrenVM* vm, const char* module,
WrenForeignClassMethods methods = {0, 0};
return methods;
}
if (strcmp(module, "gtk") == 0){
return bindForeignClass(vm, module, className);
}
WrenForeignClassMethods methods = {0, 0};
return methods;
}
@ -182,6 +243,8 @@ int main(int argc, char* argv[]) {
// === Main Event Loop ===
while (!g_mainFiberIsDone) {
// ** Process completions for ALL managers **
bool had_work = true;
socketManager_processCompletions();
httpManager_processCompletions();
dbManager_processCompletions();
@ -194,20 +257,23 @@ int main(int argc, char* argv[]) {
if (result == WREN_RESULT_RUNTIME_ERROR) {
g_mainFiberIsDone = true;
}
//socketManager_processCompletions();
//httpManager_processCompletions();
//dbManager_processCompletions();
if(!had_work) {
// Prevent 100% CPU usage
#ifdef _WIN32
Sleep(1);
#else
usleep(1000); // 1ms
usleep(1); // 1ms
#endif
}
}
// Process any final completions before shutting down
socketManager_processCompletions();
httpManager_processCompletions();
dbManager_processCompletions();
wrenReleaseHandle(vm, mainFiberHandle);
wrenReleaseHandle(vm, callHandle);

15538
merged_source_files.txt
View File

File diff suppressed because it is too large Load Diff

376
socket.wren
View File

@ -9,79 +9,371 @@ foreign class Socket {
foreign static listen_(sock, backlog, callback)
foreign static accept_(sock, callback)
foreign static read_(sock, length, callback)
foreign static readUntil_(sock, bytes, callback)
foreign static readExactly_(sock, length, callback)
foreign static write_(sock, data, callback)
// Additional raw functions can be added here following the pattern.
foreign static isReadable_(sock, callback)
foreign static select_(sockets, callback)
foreign static setNonBlocking(fd, flag)
foreign static close_(sock, callback)
}
class SocketInstance {
construct new(socketFd) {
construct fromFd(socketFd) {
_sock = socketFd
_closed = false
}
sock { _sock }
closed { _closed }
// Instance methods providing a more convenient API.
accept() {
var fiber = Fiber.current
Socket.accept_(_sock) { |err, newSock|
fiber.transfer([err, newSock])
if (_closed) {
return ["Socket is closed", null]
}
return Fiber.yield()
var result = null
var done = false
Socket.accept_(_sock, Fn.new { |err, newSock|
if (err) {
result = [err, null]
} else {
result = [null, newSock]
}
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
if (!done) {
return ["Accept operation timed out", null]
}
return result
}
read(length) {
var fiber = Fiber.current
Socket.read_(_sock, length) { |err, data|
fiber.transfer([err, data])
if (_closed) {
return ["Socket is closed", null]
}
return Fiber.yield()
if (length <= 0) {
return ["Invalid read length", null]
}
var result = null
var done = false
Socket.read_(_sock, length, Fn.new { |err, data|
result = [err, data]
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
if (!done) {
return ["Read operation timed out", null]
}
return result
}
readUntil(bytes) {
if (_closed) {
return ["Socket is closed", null]
}
if (!bytes || bytes.count == 0) {
return ["Invalid until bytes", null]
}
var result = null
var done = false
Socket.readUntil_(_sock, bytes, Fn.new { |err, data|
result = [err, data]
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
if (!done) {
return ["ReadUntil operation timed out", null]
}
return result
}
readExactly(length) {
if (_closed) {
return ["Socket is closed", null]
}
if (length <= 0) {
return ["Invalid read length", null]
}
var result = null
var done = false
Socket.readExactly_(_sock, length, Fn.new { |err, data|
result = [err, data]
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
if (!done) {
return ["ReadExactly operation timed out", null]
}
return result
}
write(data) {
var fiber = Fiber.current
Socket.write_(_sock, data) { |err, nothing|
fiber.transfer(err)
if (_closed) {
return "Socket is closed"
}
return Fiber.yield()
if (!data) {
return "Invalid write data"
}
var result = null
var done = false
Socket.write_(_sock, data, Fn.new { |err, nothing|
result = err
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
if (!done) {
return "Write operation timed out"
}
return result
}
isReadable() {
if (_closed) {
return [false, "Socket is closed"]
}
var result = null
var done = false
Socket.isReadable_(_sock, Fn.new { |err, readable|
result = [err, readable]
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
if (!done) {
return [false, "IsReadable operation timed out"]
}
return result
}
close() {
if (_closed) {
return null
}
var result = "Close operation did not complete"
var done = false
Socket.close_(_sock, Fn.new { |err, nothing|
result = err
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
_closed = true
return result
}
bind(host, port) {
if (_closed) {
return ["Socket is closed", false]
}
if (port < 0 || port > 65535) {
return ["Invalid port", false]
}
var result = ["Bind operation did not complete", false]
var done = false
var bindHost = host
if (!bindHost) {
bindHost = "0.0.0.0"
}
Socket.bind_(_sock, bindHost, port, Fn.new { |err, success|
if (err) {
result = [err, false]
} else {
result = [null, success]
}
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
return result
}
listen(backlog) {
if (_closed) {
return ["Socket is closed", false]
}
if (backlog < 0) {
backlog = 128
}
var result = ["Listen operation did not complete", false]
var done = false
Socket.listen_(_sock, backlog, Fn.new { |err, success|
if (err) {
result = [err, false]
} else {
result = [null, success]
}
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
return result
}
// Static methods for creating client and server sockets.
static connect(host, port) {
var fiber = Fiber.current
Socket.connect_(host, port) { |err, sock|
if (err) {
fiber.transfer([err, null])
} else {
fiber.transfer([null, SocketInstance.new(sock)])
}
if (!host || port < 0 || port > 65535) {
return ["Invalid host or port", null]
}
return Fiber.yield()
var result = null
var done = false
Socket.connect_(host, port, Fn.new { |err, sock|
if (err) {
result = [err, null]
} else {
result = [null, SocketInstance.fromFd(sock)]
}
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
if (!done) {
return ["Connect operation timed out", null]
}
return result
}
static new() {
var fiber = Fiber.current
Socket.new_() { |err, sock|
var result = null
var done = false
Socket.new_(Fn.new { |err, sock|
if (err) {
fiber.transfer([err, null])
result = [err, null]
} else {
fiber.transfer([null, SocketInstance.new(sock)])
result = [null, SocketInstance.fromFd(sock)]
}
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
if (!done) {
return ["Socket creation timed out", null]
}
return result
}
static select(sockets, timeoutMs) {
if (!sockets || sockets.count == 0) {
return [[], null]
}
var sockFds = []
for (sock in sockets) {
if (sock is SocketInstance && !sock.closed) {
sockFds.add(sock.sock)
}
}
return Fiber.yield()
}
bind(host, port) {
var fiber = Fiber.current
Socket.bind_(_sock, host, port) { |err, success|
fiber.transfer([err, success])
if (sockFds.count == 0) {
return [[], null]
}
return Fiber.yield()
}
listen(backlog) {
var fiber = Fiber.current
Socket.listen_(_sock, backlog) { |err, success|
fiber.transfer([err, success])
var result = null
var done = false
Socket.select_(sockFds, Fn.new { |err, readableFds|
if (err) {
result = [[], err]
} else {
var readableSockets = []
for (fd in readableFds) {
for (sock in sockets) {
if (sock.sock == fd) {
readableSockets.add(sock)
break
}
}
}
result = [readableSockets, null]
}
done = true
})
var attempts = 0
while (!done && attempts < 1000) {
attempts = attempts + 1
Fiber.yield()
}
return Fiber.yield()
if (!done) {
return [[], "Select operation timed out"]
}
return result
}
}

1186
socket_backend.c
View File

File diff suppressed because it is too large Load Diff

151
socket_benchmark.wren Normal file
View File

@ -0,0 +1,151 @@
// fiber_pure_test.wren - Test pure Fiber performance without I/O
foreign class Host {
foreign static signalDone()
}
var mainFiber = Fiber.new {
System.print("=== Pure Fiber Performance Test ===\n")
// Test 1: Minimal yield overhead
System.print("Test 1: Minimal Fiber.yield() cost")
var iterations = 100000
var start = System.clock
for (i in 1..iterations) {
Fiber.yield()
}
var elapsed = System.clock - start
System.print(" %(iterations) yields: %(elapsed)s")
System.print(" Rate: %(iterations/elapsed) yields/sec")
System.print(" Per yield: %(elapsed/iterations * 1000000) microseconds\n")
// Test 2: Fiber creation cost
System.print("Test 2: Fiber creation overhead")
iterations = 10000
start = System.clock
for (i in 1..iterations) {
var f = Fiber.new { }
}
elapsed = System.clock - start
System.print(" %(iterations) fiber creations: %(elapsed)s")
System.print(" Rate: %(iterations/elapsed) fibers/sec")
System.print(" Per fiber: %(elapsed/iterations * 1000) milliseconds\n")
// Test 3: Fiber with work
System.print("Test 3: Fiber with actual work")
var counter = 0
var workFiber = Fiber.new {
for (i in 1..10000) {
counter = counter + 1
if (i % 100 == 0) Fiber.yield()
}
}
start = System.clock
while (!workFiber.isDone) {
workFiber.call()
}
elapsed = System.clock - start
System.print(" Processed %(counter) items in %(elapsed)s")
System.print(" Rate: %(counter/elapsed) items/sec\n")
// Test 4: Multiple fibers cooperating
System.print("Test 4: Multiple fibers round-robin")
var fibers = []
var shared = 0
for (i in 1..100) {
fibers.add(Fiber.new {
for (j in 1..100) {
shared = shared + 1
Fiber.yield()
}
})
}
start = System.clock
var done = false
while (!done) {
done = true
for (f in fibers) {
if (!f.isDone) {
f.call()
done = false
}
}
}
elapsed = System.clock - start
System.print(" 100 fibers x 100 yields = %(shared) operations in %(elapsed)s")
System.print(" Rate: %(shared/elapsed) ops/sec\n")
// Test 5: Producer-consumer pattern
System.print("Test 5: Producer-Consumer pattern")
var queue = []
var produced = 0
var consumed = 0
var producer = Fiber.new {
for (i in 1..1000) {
queue.add(i)
produced = produced + 1
if (queue.count > 10) Fiber.yield()
}
}
var consumer = Fiber.new {
while (consumed < 1000) {
if (queue.count > 0) {
var item = queue.removeAt(0)
consumed = consumed + 1
} else {
Fiber.yield()
}
}
}
start = System.clock
while (!producer.isDone || !consumer.isDone) {
if (!producer.isDone) producer.call()
if (!consumer.isDone) consumer.call()
}
elapsed = System.clock - start
System.print(" Produced: %(produced), Consumed: %(consumed)")
System.print(" Time: %(elapsed)s")
System.print(" Rate: %(consumed/elapsed) items/sec\n")
// Test 6: Deep call stack
System.print("Test 6: Deep recursion with yields")
var depth = 0
var maxDepth = 1000
var recursiveFiber = Fiber.new {
for (i in 1..maxDepth) {
depth = depth + 1
Fiber.yield()
}
}
start = System.clock
while (!recursiveFiber.isDone) {
recursiveFiber.call()
}
elapsed = System.clock - start
System.print(" Processed %(depth) yields: %(elapsed)s")
System.print(" Per yield: %(elapsed/depth * 1000000) microseconds\n")
System.print("=== Analysis ===")
System.print("Based on these results, Wren fibers are:")
var yieldMicros = elapsed/iterations * 1000000
if (yieldMicros < 1) {
System.print(" EXCELLENT - Sub-microsecond yields")
} else if (yieldMicros < 10) {
System.print(" GOOD - Single-digit microsecond yields")
} else if (yieldMicros < 50) {
System.print(" MODERATE - Tens of microseconds per yield")
} else {
System.print(" SLOW - Over 50 microseconds per yield")
System.print(" This suggests FFI overhead or implementation issues")
}
Host.signalDone()
while(true) { Fiber.yield() }
}

152
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@ -0,0 +1,152 @@
// fiber_pure_test.wren - Test pure Fiber performance without I/O
foreign class Host {
foreign static signalDone()
}
var mainFiber = Fiber.new {
System.print("=== Pure Fiber Performance Test ===\n")
// Test 1: Minimal yield overhead
System.print("Test 1: Minimal Fiber.yield() cost")
var iterations = 100000
var start = System.clock
for (i in 1..iterations) {
Fiber.yield()
}
var elapsed = System.clock - start
System.print(" %(iterations) yields: %(elapsed)s")
System.print(" Rate: %(iterations/elapsed) yields/sec")
System.print(" Per yield: %(elapsed/iterations * 1000000) microseconds\n")
// Test 2: Fiber creation cost
System.print("Test 2: Fiber creation overhead")
iterations = 10000
start = System.clock
for (i in 1..iterations) {
var f = Fiber.new { }
}
elapsed = System.clock - start
System.print(" %(iterations) fiber creations: %(elapsed)s")
System.print(" Rate: %(iterations/elapsed) fibers/sec")
System.print(" Per fiber: %(elapsed/iterations * 1000) milliseconds\n")
// Test 3: Fiber with work
System.print("Test 3: Fiber with actual work")
var counter = 0
var workFiber = Fiber.new {
for (i in 1..10000) {
counter = counter + 1
if (i % 100 == 0) Fiber.yield()
}
}
start = System.clock
while (!workFiber.isDone) {
workFiber.call()
}
elapsed = System.clock - start
System.print(" Processed %(counter) items in %(elapsed)s")
System.print(" Rate: %(counter/elapsed) items/sec\n")
// Test 4: Multiple fibers cooperating
System.print("Test 4: Multiple fibers round-robin")
var fibers = []
var shared = 0
for (i in 1..100) {
fibers.add(Fiber.new {
for (j in 1..100) {
shared = shared + 1
Fiber.yield()
}
})
}
start = System.clock
var done = false
while (!done) {
done = true
for (f in fibers) {
if (!f.isDone) {
f.call()
done = false
}
}
}
elapsed = System.clock - start
System.print(" 100 fibers x 100 yields = %(shared) operations in %(elapsed)s")
System.print(" Rate: %(shared/elapsed) ops/sec\n")
// Test 5: Producer-consumer pattern
System.print("Test 5: Producer-Consumer pattern")
var queue = []
var produced = 0
var consumed = 0
var producer = Fiber.new {
for (i in 1..1000) {
queue.add(i)
produced = produced + 1
if (queue.count > 10) Fiber.yield()
}
}
var consumer = Fiber.new {
while (consumed < 1000) {
if (queue.count > 0) {
var item = queue.removeAt(0)
consumed = consumed + 1
} else {
Fiber.yield()
}
}
}
start = System.clock
while (!producer.isDone || !consumer.isDone) {
if (!producer.isDone) producer.call()
if (!consumer.isDone) consumer.call()
}
elapsed = System.clock - start
System.print(" Produced: %(produced), Consumed: %(consumed)")
System.print(" Time: %(elapsed)s")
System.print(" Rate: %(consumed/elapsed) items/sec\n")
// Test 6: Deep call stack
System.print("Test 6: Deep recursion with yields")
var depth = 0
var maxDepth = 1000
var recursive
recursive = Fiber.new {
depth = depth + 1
if (depth < maxDepth) {
Fiber.yield()
recursive.call()
}
}
start = System.clock
while (!recursive.isDone) {
recursive.call()
}
elapsed = System.clock - start
System.print(" Recursion depth %(maxDepth): %(elapsed)s")
System.print(" Per level: %(elapsed/maxDepth * 1000) milliseconds\n")
System.print("=== Analysis ===")
System.print("Based on these results, Wren fibers are:")
var yieldMicros = elapsed/iterations * 1000000
if (yieldMicros < 1) {
System.print(" EXCELLENT - Sub-microsecond yields")
} else if (yieldMicros < 10) {
System.print(" GOOD - Single-digit microsecond yields")
} else if (yieldMicros < 50) {
System.print(" MODERATE - Tens of microseconds per yield")
} else {
System.print(" SLOW - Over 50 microseconds per yield")
System.print(" This suggests FFI overhead or implementation issues")
}
Host.signalDone()
while(true) { Fiber.yield() }
}

251
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@ -0,0 +1,251 @@
// socket_diagnostic.wren - Diagnose socket issues
import "socket" for Socket, SocketInstance
foreign class Host {
foreign static signalDone()
}
var mainFiber = Fiber.new {
System.print("=== Socket Diagnostic Test ===\n")
// Test 1: Basic socket creation
System.print("Test 1: Socket creation")
var sock1 = SocketInstance.new()
if (sock1 && !sock1[0]) {
System.print(" ✓ Socket created successfully")
sock1[1].close()
} else {
System.print(" ✗ Failed: %(sock1 ? sock1[0] : "null result")")
}
// Test 2: Bind to different ports
System.print("\nTest 2: Port binding")
var ports = [18000, 18001, 18002, 18003, 18004]
var boundSockets = []
for (port in ports) {
var result = SocketInstance.new()
if (result && !result[0]) {
var sock = result[1]
var bindResult = sock.bind("127.0.0.1", port)
if (bindResult && !bindResult[0]) {
System.print(" ✓ Bound to port %(port)")
boundSockets.add(sock)
} else {
System.print(" ✗ Failed to bind port %(port): %(bindResult ? bindResult[0] : "null")")
sock.close()
}
}
}
// Clean up
for (sock in boundSockets) {
sock.close()
}
// Test 3: Listen without bind (should fail)
System.print("\nTest 3: Listen without bind")
var result = SocketInstance.new()
if (result && !result[0]) {
var sock = result[1]
var listenResult = sock.listen(5)
if (listenResult && listenResult[0]) {
System.print(" ✓ Correctly failed: %(listenResult[0])")
} else {
System.print(" ✗ Unexpectedly succeeded")
}
sock.close()
}
// Test 4: Full server setup
System.print("\nTest 4: Full server setup")
result = SocketInstance.new()
if (!result || result[0]) {
System.print(" ✗ Failed to create server socket")
} else {
var serverSock = result[1]
System.print(" ✓ Server socket created")
var bindResult = serverSock.bind("0.0.0.0", 18080)
if (!bindResult || bindResult[0]) {
System.print(" ✗ Bind failed: %(bindResult ? bindResult[0] : "null")")
serverSock.close()
} else {
System.print(" ✓ Bound to 0.0.0.0:18080")
var listenResult = serverSock.listen(10)
if (!listenResult || listenResult[0]) {
System.print(" ✗ Listen failed: %(listenResult ? listenResult[0] : "null")")
} else {
System.print(" ✓ Listening with backlog 10")
}
serverSock.close()
}
}
// Test 5: Rapid open/close
System.print("\nTest 5: Rapid socket open/close")
var successCount = 0
for (i in 1..100) {
var r = SocketInstance.new()
if (r && !r[0]) {
successCount = successCount + 1
r[1].close()
}
}
System.print(" Created and closed %(successCount)/100 sockets")
// Test 6: Connect to non-existent server (should fail quickly)
System.print("\nTest 6: Connect to non-existent server")
var startTime = System.clock
var connectResult = SocketInstance.connect("127.0.0.1", 19999)
var elapsed = System.clock - startTime
if (connectResult && connectResult[0]) {
System.print(" ✓ Correctly failed in %(elapsed)s: %(connectResult[0])")
} else {
System.print(" ✗ Unexpectedly succeeded")
if (connectResult && connectResult[1]) {
connectResult[1].close()
}
}
// Test 7: Actual echo test with verbose output
System.print("\nTest 7: Simple echo test")
// Create server
var serverResult = SocketInstance.new()
if (!serverResult || serverResult[0]) {
System.print(" ✗ Server socket creation failed: %(serverResult ? serverResult[0] : "null")")
} else {
var serverSock = serverResult[1]
System.print(" ✓ Server socket created")
// Try multiple ports in case one is in use
var serverPort = 0
var bindSuccess = false
for (port in [20000, 20001, 20002, 20003, 20004]) {
var bindResult = serverSock.bind("127.0.0.1", port)
if (bindResult && !bindResult[0]) {
serverPort = port
bindSuccess = true
System.print(" ✓ Server bound to port %(port)")
break
}
}
if (!bindSuccess) {
System.print(" ✗ Could not bind to any port")
serverSock.close()
} else {
var listenResult = serverSock.listen(5)
if (!listenResult || listenResult[0]) {
System.print(" ✗ Listen failed: %(listenResult ? listenResult[0] : "null")")
serverSock.close()
} else {
System.print(" ✓ Server listening")
// Server fiber
var serverDone = false
var serverFiber = Fiber.new {
System.print(" [Server] Waiting for connection...")
var attempts = 0
while (attempts < 500) {
var acceptResult = serverSock.accept()
if (acceptResult && !acceptResult[0] && acceptResult[1]) {
System.print(" [Server] ✓ Accepted connection")
var clientSock = SocketInstance.fromFd(acceptResult[1])
// Read from client
var readAttempts = 0
while (readAttempts < 100) {
var readResult = clientSock.read(256)
if (readResult && !readResult[0] && readResult[1] && readResult[1].count > 0) {
System.print(" [Server] ✓ Received: %(readResult[1])")
// Echo back
var writeErr = clientSock.write(readResult[1])
if (writeErr) {
System.print(" [Server] ✗ Write failed: %(writeErr)")
} else {
System.print(" [Server] ✓ Echoed back")
}
break
}
readAttempts = readAttempts + 1
Fiber.yield()
}
clientSock.close()
break
}
attempts = attempts + 1
Fiber.yield()
}
if (attempts >= 500) {
System.print(" [Server] ✗ No connection after %(attempts) attempts")
}
serverDone = true
}
// Client fiber
var clientDone = false
var clientFiber = Fiber.new {
// Wait a bit for server to be ready
for (i in 1..10) Fiber.yield()
System.print(" [Client] Connecting to port %(serverPort)...")
var connectResult = SocketInstance.connect("127.0.0.1", serverPort)
if (!connectResult || connectResult[0]) {
System.print(" [Client] ✗ Connect failed: %(connectResult ? connectResult[0] : "null")")
} else {
var clientSock = connectResult[1]
System.print(" [Client] ✓ Connected")
var message = "Hello, Server!"
var writeErr = clientSock.write(message)
if (writeErr) {
System.print(" [Client] ✗ Write failed: %(writeErr)")
} else {
System.print(" [Client] ✓ Sent: %(message)")
// Read echo
var readAttempts = 0
while (readAttempts < 100) {
var readResult = clientSock.read(256)
if (readResult && !readResult[0] && readResult[1] && readResult[1].count > 0) {
System.print(" [Client] ✓ Received echo: %(readResult[1])")
break
}
readAttempts = readAttempts + 1
Fiber.yield()
}
}
clientSock.close()
}
clientDone = true
}
// Run both fibers
serverFiber.call()
clientFiber.call()
var iterations = 0
while ((!serverDone || !clientDone) && iterations < 1000) {
if (!serverDone) serverFiber.call()
if (!clientDone) clientFiber.call()
iterations = iterations + 1
Fiber.yield()
}
System.print(" Test completed after %(iterations) iterations")
serverSock.close()
}
}
}
System.print("\n=== Diagnostic Complete ===")
Host.signalDone()
while(true) { Fiber.yield() }
}

260
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@ -0,0 +1,260 @@
// socket_echo_debug.wren - Debug why echo test fails
import "socket" for Socket, SocketInstance
foreign class Host {
foreign static signalDone()
}
var mainFiber = Fiber.new {
System.print("=== Debug Echo Test ===\n")
// Create and setup server
System.print("1. Creating server socket...")
var serverResult = SocketInstance.new()
if (!serverResult || serverResult[0]) {
System.print(" ERROR: Failed to create server socket")
Host.signalDone()
while(true) { Fiber.yield() }
}
var serverSock = serverResult[1]
System.print(" ✓ Server socket created")
System.print("\n2. Binding to port 30000...")
var bindResult = serverSock.bind("127.0.0.1", 30000)
if (bindResult[0]) {
System.print(" ERROR: Bind failed: %(bindResult[0])")
serverSock.close()
Host.signalDone()
while(true) { Fiber.yield() }
}
System.print(" ✓ Bound successfully")
System.print("\n3. Starting listen...")
var listenResult = serverSock.listen(5)
if (listenResult[0]) {
System.print(" ERROR: Listen failed: %(listenResult[0])")
serverSock.close()
Host.signalDone()
while(true) { Fiber.yield() }
}
System.print(" ✓ Listening")
var serverDone = false
var serverAccepted = false
var serverMessages = 0
// Server fiber - with detailed logging
var serverFiber = Fiber.new {
System.print("\n[SERVER] Starting accept loop...")
var acceptAttempts = 0
var maxAttempts = 1000
while (acceptAttempts < maxAttempts && !serverAccepted) {
acceptAttempts = acceptAttempts + 1
if (acceptAttempts % 100 == 0) {
System.print("[SERVER] Accept attempt %(acceptAttempts)...")
}
var acceptResult = serverSock.accept()
if (acceptResult) {
if (acceptResult[0]) {
// Only print non-"would block" errors
var errStr = acceptResult[0]
var isWouldBlock = false
if (errStr.count > 5) {
// Check for common "would block" messages
if (errStr.indexOf("block") >= 0 || errStr.indexOf("Would") >= 0) {
isWouldBlock = true
}
}
if (!isWouldBlock) {
System.print("[SERVER] Accept error: %(acceptResult[0])")
}
} else if (acceptResult[1]) {
System.print("[SERVER] ✓ Connection accepted! fd=%(acceptResult[1])")
serverAccepted = true
var clientSock = SocketInstance.fromFd(acceptResult[1])
System.print("[SERVER] Created client socket wrapper")
// Echo loop
var readAttempts = 0
var maxReads = 500
System.print("[SERVER] Starting read loop...")
while (readAttempts < maxReads && serverMessages < 5) {
readAttempts = readAttempts + 1
if (readAttempts % 50 == 0) {
System.print("[SERVER] Read attempt %(readAttempts)...")
}
var readResult = clientSock.read(1024)
if (readResult) {
if (readResult[0]) {
var errStr = readResult[0]
var isWouldBlock = false
if (errStr && errStr.count > 5) {
if (errStr.indexOf("block") >= 0 || errStr.indexOf("Would") >= 0) {
isWouldBlock = true
}
}
if (!isWouldBlock) {
System.print("[SERVER] Read error: %(readResult[0])")
}
} else if (readResult[1] && readResult[1].count > 0) {
serverMessages = serverMessages + 1
System.print("[SERVER] ✓ Received message #%(serverMessages): %(readResult[1].count) bytes")
// Echo back
var writeErr = clientSock.write(readResult[1])
if (writeErr) {
System.print("[SERVER] Write error: %(writeErr)")
} else {
System.print("[SERVER] ✓ Echoed back %(readResult[1].count) bytes")
}
}
}
Fiber.yield()
}
System.print("[SERVER] Read loop ended after %(readAttempts) attempts")
System.print("[SERVER] Messages processed: %(serverMessages)")
clientSock.close()
System.print("[SERVER] Client socket closed")
break
}
}
Fiber.yield()
}
if (!serverAccepted) {
System.print("[SERVER] Never accepted connection after %(acceptAttempts) attempts")
}
System.print("[SERVER] Done")
serverDone = true
}
var clientDone = false
var clientMessages = 0
// Client fiber - with detailed logging
var clientFiber = Fiber.new {
System.print("\n[CLIENT] Waiting for server to be ready...")
for (i in 1..50) {
Fiber.yield()
}
System.print("[CLIENT] Attempting to connect to 127.0.0.1:30000...")
var connectResult = SocketInstance.connect("127.0.0.1", 30000)
if (!connectResult) {
System.print("[CLIENT] ERROR: Connect returned null")
clientDone = true
return
}
if (connectResult[0]) {
System.print("[CLIENT] ERROR: Connect failed: %(connectResult[0])")
clientDone = true
return
}
var clientSock = connectResult[1]
System.print("[CLIENT] ✓ Connected successfully")
// Send 5 test messages
for (i in 1..5) {
var message = "Test message #%(i)"
System.print("[CLIENT] Sending: %(message)")
var writeErr = clientSock.write(message)
if (writeErr) {
System.print("[CLIENT] Write error: %(writeErr)")
break
} else {
System.print("[CLIENT] ✓ Sent successfully")
clientMessages = clientMessages + 1
// Wait for echo
var gotEcho = false
var echoAttempts = 0
System.print("[CLIENT] Waiting for echo...")
while (echoAttempts < 100 && !gotEcho) {
echoAttempts = echoAttempts + 1
var readResult = clientSock.read(1024)
if (readResult) {
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
System.print("[CLIENT] ✓ Received echo: %(readResult[1])")
gotEcho = true
}
}
if (echoAttempts % 20 == 0) {
System.print("[CLIENT] Still waiting for echo... (attempt %(echoAttempts))")
}
Fiber.yield()
}
if (!gotEcho) {
System.print("[CLIENT] WARNING: No echo received after %(echoAttempts) attempts")
}
}
// Small delay between messages
for (j in 1..10) Fiber.yield()
}
System.print("[CLIENT] Sent %(clientMessages) messages")
clientSock.close()
System.print("[CLIENT] Socket closed")
System.print("[CLIENT] Done")
clientDone = true
}
// Start both fibers
System.print("\n4. Starting server and client fibers...")
serverFiber.call()
clientFiber.call()
// Run event loop with monitoring
var iterations = 0
var maxIterations = 2000
var lastPrint = 0
while ((!serverDone || !clientDone) && iterations < maxIterations) {
if (!serverDone) serverFiber.call()
if (!clientDone) clientFiber.call()
iterations = iterations + 1
if (iterations - lastPrint >= 100) {
System.print("\n[MAIN] Iteration %(iterations): server=%(serverDone ? "done" : "running"), client=%(clientDone ? "done" : "running")")
lastPrint = iterations
}
Fiber.yield()
}
System.print("\n=== Test Complete ===")
System.print("Total iterations: %(iterations)")
System.print("Server accepted: %(serverAccepted)")
System.print("Server messages: %(serverMessages)")
System.print("Client messages: %(clientMessages)")
serverSock.close()
Host.signalDone()
while(true) { Fiber.yield() }
}

274
socket_example.wren
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@ -5,7 +5,6 @@ foreign class Host {
foreign static signalDone()
}
// Helper class for time-related functions.
class Time {
static sleep(ms) {
var start = System.clock
@ -16,111 +15,176 @@ class Time {
}
var mainFiber = Fiber.new {
var serverFiber = Fiber.new {
System.print("Server: Starting up...")
var result = SocketInstance.new()
var err = result[0]
var serverSock = result[1]
if (err) {
System.print("Server Error creating socket: %(err)")
return
}
result = serverSock.bind("127.0.0.1", 8080)
err = result[0]
var success = result[1]
if (err) {
System.print("Server Error binding: %(err)")
return
}
System.print("Server: Bound to 127.0.0.1:8080")
result = serverSock.listen(5)
err = result[0]
success = result[1]
if (err) {
System.print("Server Error listening: %(err)")
return
}
System.print("Server: Listening for connections...")
while (true) {
result = serverSock.accept()
err = result[0]
var clientSockFd = result[1]
if (err) {
System.print("Server Error accepting: %(err)")
continue
}
var clientSock = SocketInstance.new(clientSockFd)
System.print("Server: Accepted connection.")
Fiber.new {
while(true){
var result = clientSock.read(1024)
var err = result[0]
var data = result[1]
if (err) {
System.print("Server Error reading: %(err)")
return
}
System.print("Server received: %(data)")
var response = "Hello from server!"
err = clientSock.write(response)
if (err) {
System.print("Server Error writing: %(err)")
}
System.print("Server sent response.")
}
}.call()
}
}
var clientFiber = Fiber.new {
// Give the server a moment to start up.
Time.sleep(100)
System.print("Client: Connecting...")
var result = SocketInstance.connect("127.0.0.1", 8080)
var err = result[0]
var clientSock = result[1]
if (err) {
System.print("Client Error connecting: %(err)")
Host.signalDone()
return
}
System.print("Client: Connected.")
var message = "Hello from client!"
err = clientSock.write(message)
if (err) {
System.print("Client Error writing: %(err)")
Host.signalDone()
return
}
System.print("Client: Sent message.")
result = clientSock.read(1024)
err = result[0]
var response = result[1]
if (err) {
System.print("Client Error reading: %(err)")
Host.signalDone()
return
}
System.print("Client received: %(response)")
// All done.
System.print("=== Simple Socket Test ===")
// Test 1: Create a server socket
System.print("\n1. Creating server socket...")
var serverResult = SocketInstance.new()
if (!serverResult) {
System.print("Failed to create server socket")
Host.signalDone()
return
}
serverFiber.call()
clientFiber.call()
// Keep the main fiber alive until Host.signalDone() is called.
while(true) {
Fiber.yield()
var serverErr = serverResult[0]
var serverSock = serverResult[1]
if (serverErr) {
System.print("Server socket error: %(serverErr)")
Host.signalDone()
return
}
System.print("Server socket created successfully")
// Test 2: Bind the server socket
System.print("\n2. Binding server socket to port 11000...")
var bindResult = serverSock.bind("127.0.0.1", 11000)
var bindErr = bindResult[0]
var bindSuccess = bindResult[1]
if (bindErr) {
System.print("Bind error: %(bindErr)")
serverSock.close()
Host.signalDone()
return
}
System.print("Server socket bound successfully")
// Test 3: Listen on the server socket
System.print("\n3. Starting to listen...")
var listenResult = serverSock.listen(5)
var listenErr = listenResult[0]
var listenSuccess = listenResult[1]
if (listenErr) {
System.print("Listen error: %(listenErr)")
serverSock.close()
Host.signalDone()
return
}
System.print("Server listening successfully")
// Test 4: Create and connect a client socket
System.print("\n4. Creating client socket and connecting...")
var clientResult = SocketInstance.connect("127.0.0.1", 11000)
if (!clientResult) {
System.print("Failed to create client socket")
serverSock.close()
Host.signalDone()
return
}
var clientErr = clientResult[0]
var clientSock = clientResult[1]
if (clientErr) {
System.print("Client connection error: %(clientErr)")
serverSock.close()
Host.signalDone()
return
}
System.print("Client connected successfully")
// Test 5: Accept connection on server
System.print("\n5. Accepting connection on server...")
var acceptAttempts = 0
var accepted = false
var acceptedSock = null
while (acceptAttempts < 100 && !accepted) {
var acceptResult = serverSock.accept()
var acceptErr = acceptResult[0]
var acceptedFd = acceptResult[1]
if (!acceptErr && acceptedFd) {
acceptedSock = SocketInstance.fromFd(acceptedFd)
accepted = true
System.print("Connection accepted successfully")
} else {
acceptAttempts = acceptAttempts + 1
Fiber.yield()
}
}
if (!accepted) {
System.print("Failed to accept connection after %(acceptAttempts) attempts")
clientSock.close()
serverSock.close()
Host.signalDone()
return
}
// Test 6: Send data from client to server
System.print("\n6. Sending data from client to server...")
var testMessage = "Hello from client!"
var writeErr = clientSock.write(testMessage)
if (writeErr) {
System.print("Client write error: %(writeErr)")
} else {
System.print("Client sent: %(testMessage)")
}
// Test 7: Read data on server side
System.print("\n7. Reading data on server side...")
var readAttempts = 0
var dataReceived = false
while (readAttempts < 100 && !dataReceived) {
var readResult = acceptedSock.read(1024)
var readErr = readResult[0]
var readData = readResult[1]
if (!readErr && readData && readData.count > 0) {
System.print("Server received: %(readData)")
dataReceived = true
// Echo back
var echoErr = acceptedSock.write(readData)
if (echoErr) {
System.print("Server echo error: %(echoErr)")
} else {
System.print("Server echoed data back")
}
} else {
readAttempts = readAttempts + 1
Fiber.yield()
}
}
if (!dataReceived) {
System.print("No data received after %(readAttempts) attempts")
}
// Test 8: Read echo on client side
System.print("\n8. Reading echo on client side...")
readAttempts = 0
var echoReceived = false
while (readAttempts < 100 && !echoReceived) {
var readResult = clientSock.read(1024)
var readErr = readResult[0]
var readData = readResult[1]
if (!readErr && readData && readData.count > 0) {
System.print("Client received echo: %(readData)")
echoReceived = true
} else {
readAttempts = readAttempts + 1
Fiber.yield()
}
}
// Clean up
System.print("\n9. Cleaning up...")
acceptedSock.close()
clientSock.close()
serverSock.close()
System.print("\n=== All tests completed successfully! ===")
Host.signalDone()
}

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// socket_performance_fixed.wren - Fixed socket performance test
import "socket" for Socket, SocketInstance
foreign class Host {
foreign static signalDone()
}
class SocketPerformance {
static findFreePort(startPort) {
for (port in startPort...(startPort + 100)) {
var result = SocketInstance.new()
if (result && !result[0]) {
var sock = result[1]
var bindResult = sock.bind("127.0.0.1", port)
if (bindResult && !bindResult[0]) {
sock.close()
return port
}
sock.close()
}
}
return 0
}
static runEchoTest() {
System.print("\n=== Echo Performance Test ===")
// Find a free port
var port = findFreePort(25000)
if (port == 0) {
System.print("Could not find free port")
return
}
System.print("Using port %(port)")
// Create server
var serverResult = SocketInstance.new()
if (!serverResult || serverResult[0]) {
System.print("Failed to create server")
return
}
var serverSock = serverResult[1]
// Bind and listen
var bindResult = serverSock.bind("127.0.0.1", port)
if (bindResult[0]) {
System.print("Bind failed: %(bindResult[0])")
serverSock.close()
return
}
var listenResult = serverSock.listen(10)
if (listenResult[0]) {
System.print("Listen failed: %(listenResult[0])")
serverSock.close()
return
}
var messageCount = 1000
var messageSize = 100
var message = "X" * messageSize
var serverDone = false
var serverMessages = 0
var serverBytes = 0
// Server fiber
var serverFiber = Fiber.new {
System.print(" Server waiting for connection...")
var acceptAttempts = 0
var acceptResult = null
// Try to accept with timeout
while (acceptAttempts < 1000) {
acceptAttempts = acceptAttempts + 1
acceptResult = serverSock.accept()
if (!acceptResult[0] && acceptResult[1]) {
System.print(" Server accepted connection after %(acceptAttempts) attempts")
break
}
// Log progress every 100 attempts
if (acceptAttempts % 100 == 0) {
System.print(" Server still waiting... (attempt %(acceptAttempts))")
}
Fiber.yield()
}
if (acceptResult && !acceptResult[0] && acceptResult[1]) {
var clientSock = SocketInstance.fromFd(acceptResult[1])
System.print(" Server processing messages...")
while (serverMessages < messageCount) {
var readResult = clientSock.read(4096)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
serverBytes = serverBytes + readResult[1].count
serverMessages = serverMessages + 1
// Echo back
clientSock.write(readResult[1])
// Log progress
if (serverMessages % 100 == 0) {
System.print(" Server processed %(serverMessages) messages")
}
}
if (serverMessages % 10 == 0) {
Fiber.yield()
}
}
clientSock.close()
} else {
System.print(" Server failed to accept connection after %(acceptAttempts) attempts")
}
serverDone = true
}
var clientDone = false
var clientMessages = 0
var clientBytes = 0
// Client fiber
var clientFiber = Fiber.new {
// Let server start - INCREASED WAIT TIME
System.print(" Waiting for server to start...")
for (i in 1..50) Fiber.yield() // Changed from 10 to 50
System.print(" Connecting...")
var connectResult = SocketInstance.connect("127.0.0.1", port)
if (connectResult[0]) {
System.print("Connect failed: %(connectResult[0])")
clientDone = true
return
}
var clientSock = connectResult[1]
System.print(" Connected successfully")
var startTime = System.clock
// Send messages and read echoes
for (i in 1..messageCount) {
var writeErr = clientSock.write(message)
if (!writeErr) {
clientMessages = clientMessages + 1
// Read echo - be more aggressive
var gotEcho = false
for (attempt in 1..20) { // Reduced from 100 - fail faster
var readResult = clientSock.read(4096)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
clientBytes = clientBytes + readResult[1].count
gotEcho = true
break
}
// Only yield every few attempts to be more responsive
if (attempt % 5 == 0) Fiber.yield()
}
if (!gotEcho) {
System.print(" No echo for message %(i) - stopping")
break
}
} else {
System.print(" Write error at message %(i): %(writeErr)")
break
}
// Yield less frequently for better throughput
if (i % 50 == 0) {
Fiber.yield()
if (i % 200 == 0) {
System.print(" Client sent %(i) messages")
}
}
}
var elapsed = System.clock - startTime
System.print("\nClient Statistics:")
System.print(" Messages sent: %(clientMessages)")
System.print(" Bytes received: %(clientBytes)")
System.print(" Time: %(elapsed)s")
System.print(" Throughput: %(clientMessages/elapsed) msgs/sec")
System.print(" Bandwidth: %((clientBytes/elapsed/1024).floor) KB/sec")
clientSock.close()
clientDone = true
}
// Run both fibers
serverFiber.call()
clientFiber.call()
var iterations = 0
var maxIterations = 50000 // Increased from 10000
while ((!serverDone || !clientDone) && iterations < maxIterations) {
if (!serverDone) serverFiber.call()
if (!clientDone) clientFiber.call()
iterations = iterations + 1
// Don't yield here - let the fibers control yielding
}
System.print("\nServer Statistics:")
System.print(" Messages echoed: %(serverMessages)")
System.print(" Bytes processed: %(serverBytes)")
System.print(" Event loop iterations: %(iterations)")
serverSock.close()
}
static runConcurrentTest() {
System.print("\n=== Concurrent Connections Test ===")
var port = findFreePort(26000)
if (port == 0) {
System.print("Could not find free port")
return
}
System.print("Using port %(port)")
var serverResult = SocketInstance.new()
if (!serverResult || serverResult[0]) return
var serverSock = serverResult[1]
serverSock.bind("127.0.0.1", port)
serverSock.listen(50)
var connectionCount = 20
var connectionsAccepted = 0
var messagesSent = 0
// Server fiber - handles all connections
var serverDone = false
var serverFiber = Fiber.new {
var handlers = []
var attempts = 0
while (connectionsAccepted < connectionCount && attempts < 2000) {
var acceptResult = serverSock.accept()
if (!acceptResult[0] && acceptResult[1]) {
connectionsAccepted = connectionsAccepted + 1
var clientSock = SocketInstance.fromFd(acceptResult[1])
// Handler for this connection
var handler = Fiber.new {
var msg = "Hello from server to connection %(connectionsAccepted)!"
clientSock.write(msg)
messagesSent = messagesSent + 1
// Read client response
for (i in 1..20) {
var readResult = clientSock.read(256)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
break
}
Fiber.yield()
}
clientSock.close()
}
handlers.add(handler)
handler.call()
}
// Process active handlers
var active = []
for (h in handlers) {
if (!h.isDone) {
h.call()
active.add(h)
}
}
handlers = active
attempts = attempts + 1
Fiber.yield()
}
serverDone = true
}
// Create client fibers
var clientFibers = []
var clientsConnected = 0
var messagesReceived = 0
var startTime = System.clock
for (i in 1..connectionCount) {
var clientId = i
var clientFiber = Fiber.new {
// Stagger connections slightly
for (j in 1..clientId) Fiber.yield()
var connectResult = SocketInstance.connect("127.0.0.1", port)
if (!connectResult[0]) {
clientsConnected = clientsConnected + 1
var sock = connectResult[1]
// Read server message
for (attempt in 1..50) {
var readResult = sock.read(256)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
messagesReceived = messagesReceived + 1
// Send response
sock.write("Client %(clientId) received: %(readResult[1])")
break
}
Fiber.yield()
}
sock.close()
}
}
clientFibers.add(clientFiber)
}
// Start all fibers
serverFiber.call()
for (cf in clientFibers) cf.call()
// Run event loop
var iterations = 0
while (iterations < 5000) {
if (!serverDone) serverFiber.call()
var active = []
for (cf in clientFibers) {
if (!cf.isDone) {
cf.call()
active.add(cf)
}
}
clientFibers = active
if (serverDone && clientFibers.count == 0) break
iterations = iterations + 1
Fiber.yield()
}
var elapsed = System.clock - startTime
System.print("\nResults:")
System.print(" Connections attempted: %(connectionCount)")
System.print(" Clients connected: %(clientsConnected)")
System.print(" Connections accepted: %(connectionsAccepted)")
System.print(" Messages sent by server: %(messagesSent)")
System.print(" Messages received by clients: %(messagesReceived)")
System.print(" Time: %(elapsed)s")
System.print(" Connection rate: %(clientsConnected/elapsed) conn/sec")
System.print(" Event loop iterations: %(iterations)")
serverSock.close()
}
static runLatencyTest() {
System.print("\n=== Latency Test (ping-pong) ===")
var port = findFreePort(27000)
if (port == 0) {
System.print("Could not find free port")
return
}
System.print("Using port %(port)")
var serverResult = SocketInstance.new()
if (!serverResult || serverResult[0]) {
System.print("Failed to create server socket")
return
}
var serverSock = serverResult[1]
var bindResult = serverSock.bind("127.0.0.1", port)
if (bindResult[0]) {
System.print("Bind failed: %(bindResult[0])")
serverSock.close()
return
}
var listenResult = serverSock.listen(1)
if (listenResult[0]) {
System.print("Listen failed: %(listenResult[0])")
serverSock.close()
return
}
var pingCount = 100
var serverDone = false
// Server: respond to pings with pongs
var serverFiber = Fiber.new {
var acceptResult = serverSock.accept()
if (!acceptResult[0] && acceptResult[1]) {
var clientSock = SocketInstance.fromFd(acceptResult[1])
for (i in 1..pingCount) {
// Wait for ping
var gotPing = false
for (attempt in 1..100) {
var readResult = clientSock.read(256)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
// Send pong immediately
clientSock.write("pong")
gotPing = true
break
}
Fiber.yield()
}
if (!gotPing) break
}
clientSock.close()
}
serverDone = true
}
var clientDone = false
var latencies = []
// Client: send pings and measure round-trip time
var clientFiber = Fiber.new {
for (i in 1..10) Fiber.yield()
var connectResult = SocketInstance.connect("127.0.0.1", port)
if (connectResult[0]) {
clientDone = true
return
}
var clientSock = connectResult[1]
for (i in 1..pingCount) {
var pingStart = System.clock
// Send ping
clientSock.write("ping")
// Wait for pong
var gotPong = false
for (attempt in 1..100) {
var readResult = clientSock.read(256)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
var latency = (System.clock - pingStart) * 1000 // Convert to ms
latencies.add(latency)
gotPong = true
break
}
Fiber.yield()
}
if (!gotPong) break
}
clientSock.close()
clientDone = true
}
// Run test
serverFiber.call()
clientFiber.call()
while (!serverDone || !clientDone) {
if (!serverDone) serverFiber.call()
if (!clientDone) clientFiber.call()
Fiber.yield()
}
// Calculate statistics
if (latencies.count > 0) {
var sum = 0
var min = latencies[0]
var max = latencies[0]
for (lat in latencies) {
sum = sum + lat
if (lat < min) min = lat
if (lat > max) max = lat
}
var avg = sum / latencies.count
System.print("\nLatency Statistics (%(latencies.count) samples):")
System.print(" Average: %(avg) ms")
System.print(" Min: %(min) ms")
System.print(" Max: %(max) ms")
System.print(" Ping rate: %(1000/avg) pings/sec possible")
}
serverSock.close()
}
}
var mainFiber = Fiber.new {
System.print("=== Socket Performance Test Suite ===")
System.print("With fiber performance: 2.6M yields/sec (0.38μs/yield)")
SocketPerformance.runEchoTest()
SocketPerformance.runConcurrentTest()
SocketPerformance.runLatencyTest()
System.print("\n=== All Tests Complete ===")
Host.signalDone()
while(true) { Fiber.yield() }
}

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// socket_performance_fixed.wren - Fixed socket performance test
import "socket" for Socket, SocketInstance
foreign class Host {
foreign static signalDone()
}
class SocketPerformance {
static findFreePort(startPort) {
for (port in startPort...(startPort + 100)) {
var result = SocketInstance.new()
if (result && !result[0]) {
var sock = result[1]
var bindResult = sock.bind("127.0.0.1", port)
if (bindResult && !bindResult[0]) {
sock.close()
return port
}
sock.close()
}
}
return 0
}
static runEchoTest() {
System.print("\n=== Echo Performance Test ===")
// Find a free port
var port = findFreePort(25000)
if (port == 0) {
System.print("Could not find free port")
return
}
System.print("Using port %(port)")
// Create server
var serverResult = SocketInstance.new()
if (!serverResult || serverResult[0]) {
System.print("Failed to create server")
return
}
var serverSock = serverResult[1]
// Bind and listen
var bindResult = serverSock.bind("127.0.0.1", port)
if (bindResult[0]) {
System.print("Bind failed: %(bindResult[0])")
serverSock.close()
return
}
var listenResult = serverSock.listen(10)
if (listenResult[0]) {
System.print("Listen failed: %(listenResult[0])")
serverSock.close()
return
}
var messageCount = 1000
var messageSize = 100
var message = "X" * messageSize
var serverDone = false
var serverMessages = 0
var serverBytes = 0
// Server fiber
var serverFiber = Fiber.new {
var acceptResult = serverSock.accept()
if (!acceptResult[0] && acceptResult[1]) {
var clientSock = SocketInstance.fromFd(acceptResult[1])
while (serverMessages < messageCount) {
var readResult = clientSock.read(4096)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
serverBytes = serverBytes + readResult[1].count
serverMessages = serverMessages + 1
// Echo back
clientSock.write(readResult[1])
}
if (serverMessages % 10 == 0) {
Fiber.yield()
}
}
clientSock.close()
}
serverDone = true
}
var clientDone = false
var clientMessages = 0
var clientBytes = 0
// Client fiber
var clientFiber = Fiber.new {
// Let server start
for (i in 1..10) Fiber.yield()
var connectResult = SocketInstance.connect("127.0.0.1", port)
if (connectResult[0]) {
System.print("Connect failed: %(connectResult[0])")
clientDone = true
return
}
var clientSock = connectResult[1]
var startTime = System.clock
// Send messages and read echoes
for (i in 1..messageCount) {
var writeErr = clientSock.write(message)
if (!writeErr) {
clientMessages = clientMessages + 1
// Read echo (with timeout)
var gotEcho = false
for (attempt in 1..50) {
var readResult = clientSock.read(4096)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
clientBytes = clientBytes + readResult[1].count
gotEcho = true
break
}
if (attempt % 10 == 0) Fiber.yield()
}
if (!gotEcho && i > 10) {
System.print("No echo received for message %(i)")
break
}
}
if (i % 10 == 0) Fiber.yield()
}
var elapsed = System.clock - startTime
System.print("\nClient Statistics:")
System.print(" Messages sent: %(clientMessages)")
System.print(" Bytes received: %(clientBytes)")
System.print(" Time: %(elapsed)s")
System.print(" Throughput: %(clientMessages/elapsed) msgs/sec")
System.print(" Bandwidth: %((clientBytes/elapsed/1024).floor) KB/sec")
clientSock.close()
clientDone = true
}
// Run both fibers
serverFiber.call()
clientFiber.call()
var iterations = 0
var maxIterations = 10000
while ((!serverDone || !clientDone) && iterations < maxIterations) {
if (!serverDone) serverFiber.call()
if (!clientDone) clientFiber.call()
iterations = iterations + 1
Fiber.yield()
}
System.print("\nServer Statistics:")
System.print(" Messages echoed: %(serverMessages)")
System.print(" Bytes processed: %(serverBytes)")
System.print(" Event loop iterations: %(iterations)")
serverSock.close()
}
static runConcurrentTest() {
System.print("\n=== Concurrent Connections Test ===")
var port = findFreePort(26000)
if (port == 0) {
System.print("Could not find free port")
return
}
System.print("Using port %(port)")
var serverResult = SocketInstance.new()
if (!serverResult || serverResult[0]) return
var serverSock = serverResult[1]
serverSock.bind("127.0.0.1", port)
serverSock.listen(50)
var connectionCount = 20
var connectionsAccepted = 0
var messagesSent = 0
// Server fiber - handles all connections
var serverDone = false
var serverFiber = Fiber.new {
var handlers = []
var attempts = 0
while (connectionsAccepted < connectionCount && attempts < 2000) {
var acceptResult = serverSock.accept()
if (!acceptResult[0] && acceptResult[1]) {
connectionsAccepted = connectionsAccepted + 1
var clientSock = SocketInstance.fromFd(acceptResult[1])
// Handler for this connection
var handler = Fiber.new {
var msg = "Hello from server to connection %(connectionsAccepted)!"
clientSock.write(msg)
messagesSent = messagesSent + 1
// Read client response
for (i in 1..20) {
var readResult = clientSock.read(256)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
break
}
Fiber.yield()
}
clientSock.close()
}
handlers.add(handler)
handler.call()
}
// Process active handlers
var active = []
for (h in handlers) {
if (!h.isDone) {
h.call()
active.add(h)
}
}
handlers = active
attempts = attempts + 1
Fiber.yield()
}
serverDone = true
}
// Create client fibers
var clientFibers = []
var clientsConnected = 0
var messagesReceived = 0
var startTime = System.clock
for (i in 1..connectionCount) {
var clientId = i
var clientFiber = Fiber.new {
// Stagger connections slightly
for (j in 1..clientId) Fiber.yield()
var connectResult = SocketInstance.connect("127.0.0.1", port)
if (!connectResult[0]) {
clientsConnected = clientsConnected + 1
var sock = connectResult[1]
// Read server message
for (attempt in 1..50) {
var readResult = sock.read(256)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
messagesReceived = messagesReceived + 1
// Send response
sock.write("Client %(clientId) received: %(readResult[1])")
break
}
Fiber.yield()
}
sock.close()
}
}
clientFibers.add(clientFiber)
}
// Start all fibers
serverFiber.call()
for (cf in clientFibers) cf.call()
// Run event loop
var iterations = 0
while (iterations < 5000) {
if (!serverDone) serverFiber.call()
var active = []
for (cf in clientFibers) {
if (!cf.isDone) {
cf.call()
active.add(cf)
}
}
clientFibers = active
if (serverDone && clientFibers.count == 0) break
iterations = iterations + 1
Fiber.yield()
}
var elapsed = System.clock - startTime
System.print("\nResults:")
System.print(" Connections attempted: %(connectionCount)")
System.print(" Clients connected: %(clientsConnected)")
System.print(" Connections accepted: %(connectionsAccepted)")
System.print(" Messages sent by server: %(messagesSent)")
System.print(" Messages received by clients: %(messagesReceived)")
System.print(" Time: %(elapsed)s")
System.print(" Connection rate: %(clientsConnected/elapsed) conn/sec")
System.print(" Event loop iterations: %(iterations)")
serverSock.close()
}
static runLatencyTest() {
System.print("\n=== Latency Test (ping-pong) ===")
var port = findFreePort(27000)
if (port == 0) return
var serverResult = SocketInstance.new()
if (!serverResult || serverResult[0]) return
var serverSock = serverResult[1]
serverSock.bind("127.0.0.1", port)
serverSock.listen(1)
var pingCount = 100
var serverDone = false
// Server: respond to pings with pongs
var serverFiber = Fiber.new {
var acceptResult = serverSock.accept()
if (!acceptResult[0] && acceptResult[1]) {
var clientSock = SocketInstance.fromFd(acceptResult[1])
for (i in 1..pingCount) {
// Wait for ping
var gotPing = false
for (attempt in 1..100) {
var readResult = clientSock.read(256)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
// Send pong immediately
clientSock.write("pong")
gotPing = true
break
}
Fiber.yield()
}
if (!gotPing) break
}
clientSock.close()
}
serverDone = true
}
var clientDone = false
var latencies = []
// Client: send pings and measure round-trip time
var clientFiber = Fiber.new {
for (i in 1..10) Fiber.yield()
var connectResult = SocketInstance.connect("127.0.0.1", port)
if (connectResult[0]) {
clientDone = true
return
}
var clientSock = connectResult[1]
for (i in 1..pingCount) {
var pingStart = System.clock
// Send ping
clientSock.write("ping")
// Wait for pong
var gotPong = false
for (attempt in 1..100) {
var readResult = clientSock.read(256)
if (!readResult[0] && readResult[1] && readResult[1].count > 0) {
var latency = (System.clock - pingStart) * 1000 // Convert to ms
latencies.add(latency)
gotPong = true
break
}
Fiber.yield()
}
if (!gotPong) break
}
clientSock.close()
clientDone = true
}
// Run test
serverFiber.call()
clientFiber.call()
while (!serverDone || !clientDone) {
if (!serverDone) serverFiber.call()
if (!clientDone) clientFiber.call()
Fiber.yield()
}
// Calculate statistics
if (latencies.count > 0) {
var sum = 0
var min = latencies[0]
var max = latencies[0]
for (lat in latencies) {
sum = sum + lat
if (lat < min) min = lat
if (lat > max) max = lat
}
var avg = sum / latencies.count
System.print("\nLatency Statistics (%(latencies.count) samples):")
System.print(" Average: %(avg) ms")
System.print(" Min: %(min) ms")
System.print(" Max: %(max) ms")
System.print(" Ping rate: %(1000/avg) pings/sec possible")
}
serverSock.close()
}
}
var mainFiber = Fiber.new {
System.print("=== Socket Performance Test Suite ===")
System.print("With fiber performance: 2.6M yields/sec (0.38μs/yield)")
SocketPerformance.runEchoTest()
SocketPerformance.runConcurrentTest()
SocketPerformance.runLatencyTest()
System.print("\n=== All Tests Complete ===")
Host.signalDone()
while(true) { Fiber.yield() }
}

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// socket_test_simple.wren
import "socket" for Socket, SocketInstance
foreign class Host {
foreign static signalDone()
}
var mainFiber = Fiber.new {
System.print("Testing socket creation...")
// Test creating a socket using the high-level API
System.print("Creating socket via high-level API...")
var result = SocketInstance.new()
if (result) {
System.print("Result received: %(result)")
if (result.count != 2) {
System.print("Unexpected result format: expected [error, socket], got %(result)")
Host.signalDone()
while(true) { Fiber.yield() } // Keep fiber alive
return
}
var err = result[0]
var sock = result[1]
if (err) {
System.print("Error creating socket: %(err)")
} else if (!sock) {
System.print("Socket is null despite no error")
} else {
System.print("Successfully created socket!")
System.print("Socket instance: %(sock)")
// Test binding
System.print("\nTesting bind...")
var bindResult = sock.bind("127.0.0.1", 12345)
System.print("Bind result: %(bindResult)")
if (bindResult && bindResult.count == 2) {
if (bindResult[0]) {
System.print("Bind error: %(bindResult[0])")
} else {
System.print("Successfully bound to port 12345")
// Test listen
System.print("\nTesting listen...")
var listenResult = sock.listen(5)
System.print("Listen result: %(listenResult)")
if (listenResult && listenResult.count == 2) {
if (listenResult[0]) {
System.print("Listen error: %(listenResult[0])")
} else {
System.print("Successfully listening")
}
} else {
System.print("Unexpected listen result format")
}
}
} else {
System.print("Unexpected bind result format")
}
// Close the socket
System.print("\nClosing socket...")
var closeErr = sock.close()
if (closeErr && closeErr != "Close operation did not complete") {
System.print("Close error: %(closeErr)")
} else if (closeErr == "Close operation did not complete") {
System.print("Close operation timed out")
} else {
System.print("Socket closed successfully")
}
}
} else {
System.print("Result was null")
}
System.print("\nTest complete")
Host.signalDone()
// Keep the fiber alive to prevent "Cannot call root fiber" error
while(true) {
Fiber.yield()
}
}

874
string_backend.c
View File

@ -3,6 +3,8 @@
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
// Helper to validate that the value in a slot is a string.
static bool validateString(WrenVM* vm, int slot, const char* name) {
@ -12,6 +14,14 @@ static bool validateString(WrenVM* vm, int slot, const char* name) {
return false;
}
// Helper to validate that the value in a slot is a number.
static bool validateNumber(WrenVM* vm, int slot, const char* name) {
if (wrenGetSlotType(vm, slot) == WREN_TYPE_NUM) return true;
wrenSetSlotString(vm, 0, "Argument must be a number.");
wrenAbortFiber(vm, 0);
return false;
}
// Implements String.endsWith(_).
void stringEndsWith(WrenVM* vm) {
if (!validateString(vm, 1, "Suffix")) return;
@ -55,22 +65,18 @@ void stringReplace(WrenVM* vm) {
const char* to = wrenGetSlotBytes(vm, 2, &toLen);
if (fromLen == 0) {
wrenSetSlotString(vm, 0, haystack); // Nothing to replace.
wrenSetSlotString(vm, 0, haystack);
return;
}
// Allocate a buffer for the result. This is a rough estimate.
// A more robust implementation would calculate the exact size or reallocate.
size_t resultCapacity = haystackLen * (toLen > fromLen ? toLen / fromLen + 1 : 1) + 1;
char* result = (char*)malloc(resultCapacity);
if (!result) {
// Handle allocation failure
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
char* dest = result;
const char* p = haystack;
const char* end = haystack + haystackLen;
@ -111,7 +117,7 @@ void stringSplit(WrenVM* vm) {
return;
}
wrenSetSlotNewList(vm, 0); // Create the list to return.
wrenSetSlotNewList(vm, 0);
const char* p = haystack;
const char* end = haystack + haystackLen;
@ -128,24 +134,862 @@ void stringSplit(WrenVM* vm) {
}
}
// If the string ends with the delimiter, add an empty string.
if (haystackLen > 0 && (haystackLen >= delimLen) &&
strcmp(haystack + haystackLen - delimLen, delim) == 0) {
memcmp(haystack + haystackLen - delimLen, delim, delimLen) == 0) {
wrenSetSlotBytes(vm, 1, "", 0);
wrenInsertInList(vm, 0, -1, 1);
}
}
// Implements String.toUpper().
void stringToUpper(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
char* result = (char*)malloc(len + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
for (int i = 0; i < len; i++) {
result[i] = toupper((unsigned char)str[i]);
}
result[len] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.toLower().
void stringToLower(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
char* result = (char*)malloc(len + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
for (int i = 0; i < len; i++) {
result[i] = tolower((unsigned char)str[i]);
}
result[len] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.trim().
void stringTrim(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
int start = 0;
int end = len - 1;
while (start < len && isspace((unsigned char)str[start])) start++;
while (end >= 0 && isspace((unsigned char)str[end])) end--;
if (start > end) {
wrenSetSlotString(vm, 0, "");
return;
}
wrenSetSlotBytes(vm, 0, str + start, end - start + 1);
}
// Implements String.trimStart().
void stringTrimStart(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
int start = 0;
while (start < len && isspace((unsigned char)str[start])) start++;
wrenSetSlotBytes(vm, 0, str + start, len - start);
}
// Implements String.trimEnd().
void stringTrimEnd(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
int end = len - 1;
while (end >= 0 && isspace((unsigned char)str[end])) end--;
wrenSetSlotBytes(vm, 0, str, end + 1);
}
// Implements String.count(_).
void stringCount(WrenVM* vm) {
if (!validateString(vm, 1, "Substring")) return;
int haystackLen, needleLen;
const char* haystack = wrenGetSlotBytes(vm, 0, &haystackLen);
const char* needle = wrenGetSlotBytes(vm, 1, &needleLen);
if (needleLen == 0) {
wrenSetSlotDouble(vm, 0, 0);
return;
}
int count = 0;
const char* p = haystack;
const char* end = haystack + haystackLen;
while (p < end) {
const char* found = strstr(p, needle);
if (found) {
count++;
p = found + needleLen;
} else {
break;
}
}
wrenSetSlotDouble(vm, 0, count);
}
// Implements String.indexOf(_).
void stringIndexOf(WrenVM* vm) {
if (!validateString(vm, 1, "Substring")) return;
int haystackLen, needleLen;
const char* haystack = wrenGetSlotBytes(vm, 0, &haystackLen);
const char* needle = wrenGetSlotBytes(vm, 1, &needleLen);
if (needleLen == 0) {
wrenSetSlotDouble(vm, 0, 0);
return;
}
const char* found = strstr(haystack, needle);
if (found) {
wrenSetSlotDouble(vm, 0, found - haystack);
} else {
wrenSetSlotDouble(vm, 0, -1);
}
}
// Implements String.lastIndexOf(_).
void stringLastIndexOf(WrenVM* vm) {
if (!validateString(vm, 1, "Substring")) return;
int haystackLen, needleLen;
const char* haystack = wrenGetSlotBytes(vm, 0, &haystackLen);
const char* needle = wrenGetSlotBytes(vm, 1, &needleLen);
if (needleLen == 0 || needleLen > haystackLen) {
wrenSetSlotDouble(vm, 0, -1);
return;
}
const char* lastFound = NULL;
const char* p = haystack;
while ((p = strstr(p, needle)) != NULL) {
lastFound = p;
p++;
}
if (lastFound) {
wrenSetSlotDouble(vm, 0, lastFound - haystack);
} else {
wrenSetSlotDouble(vm, 0, -1);
}
}
// Implements String.contains(_).
void stringContains(WrenVM* vm) {
if (!validateString(vm, 1, "Substring")) return;
int haystackLen, needleLen;
const char* haystack = wrenGetSlotBytes(vm, 0, &haystackLen);
const char* needle = wrenGetSlotBytes(vm, 1, &needleLen);
if (needleLen == 0) {
wrenSetSlotBool(vm, 0, true);
return;
}
wrenSetSlotBool(vm, 0, strstr(haystack, needle) != NULL);
}
// Implements String.toInt().
void stringToInt(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
char* endptr;
errno = 0;
long value = strtol(str, &endptr, 10);
if (errno != 0 || endptr == str || *endptr != '\0') {
wrenSetSlotNull(vm, 0);
} else {
wrenSetSlotDouble(vm, 0, (double)value);
}
}
// Implements String.toNum().
void stringToNum(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
char* endptr;
errno = 0;
double value = strtod(str, &endptr);
if (errno != 0 || endptr == str || *endptr != '\0') {
wrenSetSlotNull(vm, 0);
} else {
wrenSetSlotDouble(vm, 0, value);
}
}
// Implements String.reverse().
void stringReverse(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
char* result = (char*)malloc(len + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
for (int i = 0; i < len; i++) {
result[i] = str[len - 1 - i];
}
result[len] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.repeat(_).
void stringRepeat(WrenVM* vm) {
if (!validateNumber(vm, 1, "Count")) return;
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
int count = (int)wrenGetSlotDouble(vm, 1);
if (count < 0) {
wrenSetSlotString(vm, 0, "Count must be non-negative.");
wrenAbortFiber(vm, 0);
return;
}
if (count == 0 || len == 0) {
wrenSetSlotString(vm, 0, "");
return;
}
size_t resultLen = len * count;
char* result = (char*)malloc(resultLen + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
for (int i = 0; i < count; i++) {
memcpy(result + (i * len), str, len);
}
result[resultLen] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.padStart(_, _).
void stringPadStart(WrenVM* vm) {
if (!validateNumber(vm, 1, "Length")) return;
if (!validateString(vm, 2, "PadString")) return;
int strLen;
const char* str = wrenGetSlotBytes(vm, 0, &strLen);
int targetLen = (int)wrenGetSlotDouble(vm, 1);
int padLen;
const char* padStr = wrenGetSlotBytes(vm, 2, &padLen);
if (targetLen <= strLen || padLen == 0) {
wrenSetSlotString(vm, 0, str);
return;
}
int padNeeded = targetLen - strLen;
char* result = (char*)malloc(targetLen + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
int pos = 0;
while (pos < padNeeded) {
int copyLen = (padNeeded - pos < padLen) ? (padNeeded - pos) : padLen;
memcpy(result + pos, padStr, copyLen);
pos += copyLen;
}
memcpy(result + padNeeded, str, strLen);
result[targetLen] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.padEnd(_, _).
void stringPadEnd(WrenVM* vm) {
if (!validateNumber(vm, 1, "Length")) return;
if (!validateString(vm, 2, "PadString")) return;
int strLen;
const char* str = wrenGetSlotBytes(vm, 0, &strLen);
int targetLen = (int)wrenGetSlotDouble(vm, 1);
int padLen;
const char* padStr = wrenGetSlotBytes(vm, 2, &padLen);
if (targetLen <= strLen || padLen == 0) {
wrenSetSlotString(vm, 0, str);
return;
}
int padNeeded = targetLen - strLen;
char* result = (char*)malloc(targetLen + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
memcpy(result, str, strLen);
int pos = strLen;
while (pos < targetLen) {
int copyLen = (targetLen - pos < padLen) ? (targetLen - pos) : padLen;
memcpy(result + pos, padStr, copyLen);
pos += copyLen;
}
result[targetLen] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.charAt(_).
void stringCharAt(WrenVM* vm) {
if (!validateNumber(vm, 1, "Index")) return;
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
int index = (int)wrenGetSlotDouble(vm, 1);
if (index < 0 || index >= len) {
wrenSetSlotString(vm, 0, "");
return;
}
char result[2] = { str[index], '\0' };
wrenSetSlotString(vm, 0, result);
}
// Implements String.charCodeAt(_).
void stringCharCodeAt(WrenVM* vm) {
if (!validateNumber(vm, 1, "Index")) return;
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
int index = (int)wrenGetSlotDouble(vm, 1);
if (index < 0 || index >= len) {
wrenSetSlotNull(vm, 0);
return;
}
wrenSetSlotDouble(vm, 0, (unsigned char)str[index]);
}
// Implements String.isNumeric().
void stringIsNumeric(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
if (len == 0) {
wrenSetSlotBool(vm, 0, false);
return;
}
for (int i = 0; i < len; i++) {
if (!isdigit((unsigned char)str[i])) {
wrenSetSlotBool(vm, 0, false);
return;
}
}
wrenSetSlotBool(vm, 0, true);
}
// Implements String.isAlpha().
void stringIsAlpha(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
if (len == 0) {
wrenSetSlotBool(vm, 0, false);
return;
}
for (int i = 0; i < len; i++) {
if (!isalpha((unsigned char)str[i])) {
wrenSetSlotBool(vm, 0, false);
return;
}
}
wrenSetSlotBool(vm, 0, true);
}
// Implements String.isAlphaNumeric().
void stringIsAlphaNumeric(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
if (len == 0) {
wrenSetSlotBool(vm, 0, false);
return;
}
for (int i = 0; i < len; i++) {
if (!isalnum((unsigned char)str[i])) {
wrenSetSlotBool(vm, 0, false);
return;
}
}
wrenSetSlotBool(vm, 0, true);
}
// Implements String.isEmpty().
void stringIsEmpty(WrenVM* vm) {
int len;
wrenGetSlotBytes(vm, 0, &len);
wrenSetSlotBool(vm, 0, len == 0);
}
// Implements String.isWhitespace().
void stringIsWhitespace(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
if (len == 0) {
wrenSetSlotBool(vm, 0, true);
return;
}
for (int i = 0; i < len; i++) {
if (!isspace((unsigned char)str[i])) {
wrenSetSlotBool(vm, 0, false);
return;
}
}
wrenSetSlotBool(vm, 0, true);
}
// Implements String.capitalize().
void stringCapitalize(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
if (len == 0) {
wrenSetSlotString(vm, 0, "");
return;
}
char* result = (char*)malloc(len + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
result[0] = toupper((unsigned char)str[0]);
for (int i = 1; i < len; i++) {
result[i] = tolower((unsigned char)str[i]);
}
result[len] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.toCamelCase().
void stringToCamelCase(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
char* result = (char*)malloc(len + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
int j = 0;
bool capitalizeNext = false;
for (int i = 0; i < len; i++) {
if (str[i] == '_' || str[i] == '-' || isspace((unsigned char)str[i])) {
capitalizeNext = true;
} else {
if (capitalizeNext && j > 0) {
result[j++] = toupper((unsigned char)str[i]);
capitalizeNext = false;
} else {
result[j++] = (j == 0) ? tolower((unsigned char)str[i]) : str[i];
}
}
}
result[j] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.toSnakeCase().
void stringToSnakeCase(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
// Allocate extra space for underscores
char* result = (char*)malloc(len * 2 + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
int j = 0;
for (int i = 0; i < len; i++) {
if (isupper((unsigned char)str[i]) && i > 0 && !isupper((unsigned char)str[i-1])) {
result[j++] = '_';
}
if (str[i] == '-' || isspace((unsigned char)str[i])) {
result[j++] = '_';
} else {
result[j++] = tolower((unsigned char)str[i]);
}
}
result[j] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.toKebabCase().
void stringToKebabCase(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
// Allocate extra space for hyphens
char* result = (char*)malloc(len * 2 + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
int j = 0;
for (int i = 0; i < len; i++) {
if (isupper((unsigned char)str[i]) && i > 0 && !isupper((unsigned char)str[i-1])) {
result[j++] = '-';
}
if (str[i] == '_' || isspace((unsigned char)str[i])) {
result[j++] = '-';
} else {
result[j++] = tolower((unsigned char)str[i]);
}
}
result[j] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.toPascalCase().
void stringToPascalCase(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
char* result = (char*)malloc(len + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
int j = 0;
bool capitalizeNext = true;
for (int i = 0; i < len; i++) {
if (str[i] == '_' || str[i] == '-' || isspace((unsigned char)str[i])) {
capitalizeNext = true;
} else {
if (capitalizeNext) {
result[j++] = toupper((unsigned char)str[i]);
capitalizeNext = false;
} else {
result[j++] = str[i];
}
}
}
result[j] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.swapCase().
void stringSwapCase(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
char* result = (char*)malloc(len + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
for (int i = 0; i < len; i++) {
if (isupper((unsigned char)str[i])) {
result[i] = tolower((unsigned char)str[i]);
} else if (islower((unsigned char)str[i])) {
result[i] = toupper((unsigned char)str[i]);
} else {
result[i] = str[i];
}
}
result[len] = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Implements String.substring(_, _).
void stringSubstring(WrenVM* vm) {
if (!validateNumber(vm, 1, "Start")) return;
if (!validateNumber(vm, 2, "End")) return;
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
int start = (int)wrenGetSlotDouble(vm, 1);
int end = (int)wrenGetSlotDouble(vm, 2);
// Handle negative indices
if (start < 0) start = 0;
if (end < 0) end = 0;
if (start > len) start = len;
if (end > len) end = len;
// Swap if start > end
if (start > end) {
int temp = start;
start = end;
end = temp;
}
wrenSetSlotBytes(vm, 0, str + start, end - start);
}
// Implements String.slice(_, _).
void stringSlice(WrenVM* vm) {
if (!validateNumber(vm, 1, "Start")) return;
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
int start = (int)wrenGetSlotDouble(vm, 1);
int end = len;
// Check if end parameter is provided
if (wrenGetSlotCount(vm) > 2 && wrenGetSlotType(vm, 2) == WREN_TYPE_NUM) {
end = (int)wrenGetSlotDouble(vm, 2);
}
// Handle negative indices
if (start < 0) start = len + start;
if (end < 0) end = len + end;
// Clamp values
if (start < 0) start = 0;
if (end < 0) end = 0;
if (start > len) start = len;
if (end > len) end = len;
if (start >= end) {
wrenSetSlotString(vm, 0, "");
return;
}
wrenSetSlotBytes(vm, 0, str + start, end - start);
}
// Implements String.toBytes().
void stringToBytes(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
wrenSetSlotNewList(vm, 0);
for (int i = 0; i < len; i++) {
wrenSetSlotDouble(vm, 1, (unsigned char)str[i]);
wrenInsertInList(vm, 0, -1, 1);
}
}
// Implements String.fromCharCode(_).
void stringFromCharCode(WrenVM* vm) {
if (!validateNumber(vm, 1, "CharCode")) return;
int code = (int)wrenGetSlotDouble(vm, 1);
if (code < 0 || code > 255) {
wrenSetSlotString(vm, 0, "");
return;
}
char result[2] = { (char)code, '\0' };
wrenSetSlotString(vm, 0, result);
}
// Implements String.length().
void stringLength(WrenVM* vm) {
int len;
const char* str = wrenGetSlotBytes(vm, 0, &len);
wrenSetSlotDouble(vm, 0, (double)len);
}
// Static method: String.join(_, _).
void stringJoin(WrenVM* vm) {
// First argument should be a list
if (wrenGetSlotType(vm, 1) != WREN_TYPE_LIST) {
wrenSetSlotString(vm, 0, "First argument must be a list.");
wrenAbortFiber(vm, 0);
return;
}
if (!validateString(vm, 2, "Separator")) return;
int sepLen;
const char* separator = wrenGetSlotBytes(vm, 2, &sepLen);
int count = wrenGetListCount(vm, 1);
if (count == 0) {
wrenSetSlotString(vm, 0, "");
return;
}
// Calculate total length needed
size_t totalLen = 0;
for (int i = 0; i < count; i++) {
wrenGetListElement(vm, 1, i, 0);
if (wrenGetSlotType(vm, 0) == WREN_TYPE_STRING) {
int itemLen;
wrenGetSlotBytes(vm, 0, &itemLen);
totalLen += itemLen;
}
}
totalLen += (count - 1) * sepLen;
char* result = (char*)malloc(totalLen + 1);
if (!result) {
wrenSetSlotString(vm, 0, "Memory allocation failed.");
wrenAbortFiber(vm, 0);
return;
}
char* p = result;
for (int i = 0; i < count; i++) {
wrenGetListElement(vm, 1, i, 0);
if (wrenGetSlotType(vm, 0) == WREN_TYPE_STRING) {
int itemLen;
const char* item = wrenGetSlotBytes(vm, 0, &itemLen);
memcpy(p, item, itemLen);
p += itemLen;
if (i < count - 1) {
memcpy(p, separator, sepLen);
p += sepLen;
}
}
}
*p = '\0';
wrenSetSlotString(vm, 0, result);
free(result);
}
// Binds the foreign methods for the String class.
WrenForeignMethodFn bindStringForeignMethod(WrenVM* vm, const char* module, const char* className, bool isStatic, const char* signature) {
if (strcmp(module, "main") != 0 && strcmp(module, "core") != 0) return NULL;
if (strcmp(className, "String") != 0 || isStatic) return NULL;
if (strcmp(signature, "endsWith(_)") == 0) return stringEndsWith;
if (strcmp(signature, "startsWith(_)") == 0) return stringStartsWith;
if (strcmp(signature, "replace(_,_)") == 0) return stringReplace;
if (strcmp(signature, "split(_)") == 0) return stringSplit;
if (strcmp(className, "String") != 0) return NULL;
// Instance methods
if (!isStatic) {
if (strcmp(signature, "endsWith(_)") == 0) return stringEndsWith;
if (strcmp(signature, "startsWith(_)") == 0) return stringStartsWith;
if (strcmp(signature, "replace(_,_)") == 0) return stringReplace;
if (strcmp(signature, "split(_)") == 0) return stringSplit;
if (strcmp(signature, "toUpper()") == 0) return stringToUpper;
if (strcmp(signature, "toLower()") == 0) return stringToLower;
if (strcmp(signature, "trim()") == 0) return stringTrim;
if (strcmp(signature, "trimStart()") == 0) return stringTrimStart;
if (strcmp(signature, "trimEnd()") == 0) return stringTrimEnd;
if (strcmp(signature, "count(_)") == 0) return stringCount;
if (strcmp(signature, "indexOf(_)") == 0) return stringIndexOf;
if (strcmp(signature, "lastIndexOf(_)") == 0) return stringLastIndexOf;
if (strcmp(signature, "contains(_)") == 0) return stringContains;
if (strcmp(signature, "toInt()") == 0) return stringToInt;
if (strcmp(signature, "toNum()") == 0) return stringToNum;
if (strcmp(signature, "reverse()") == 0) return stringReverse;
if (strcmp(signature, "repeat(_)") == 0) return stringRepeat;
if (strcmp(signature, "padStart(_,_)") == 0) return stringPadStart;
if (strcmp(signature, "padEnd(_,_)") == 0) return stringPadEnd;
if (strcmp(signature, "charAt(_)") == 0) return stringCharAt;
if (strcmp(signature, "charCodeAt(_)") == 0) return stringCharCodeAt;
if (strcmp(signature, "isNumeric()") == 0) return stringIsNumeric;
if (strcmp(signature, "isAlpha()") == 0) return stringIsAlpha;
if (strcmp(signature, "isAlphaNumeric()") == 0) return stringIsAlphaNumeric;
if (strcmp(signature, "isEmpty()") == 0) return stringIsEmpty;
if (strcmp(signature, "isWhitespace()") == 0) return stringIsWhitespace;
if (strcmp(signature, "capitalize()") == 0) return stringCapitalize;
if (strcmp(signature, "toCamelCase()") == 0) return stringToCamelCase;
if (strcmp(signature, "toSnakeCase()") == 0) return stringToSnakeCase;
if (strcmp(signature, "toKebabCase()") == 0) return stringToKebabCase;
if (strcmp(signature, "toPascalCase()") == 0) return stringToPascalCase;
if (strcmp(signature, "swapCase()") == 0) return stringSwapCase;
if (strcmp(signature, "substring(_,_)") == 0) return stringSubstring;
if (strcmp(signature, "slice(_,_)") == 0) return stringSlice;
if (strcmp(signature, "slice(_)") == 0) return stringSlice;
if (strcmp(signature, "toBytes()") == 0) return stringToBytes;
if (strcmp(signature, "length()") == 0) return stringLength; // Added length method
}
// Static methods
if (isStatic) {
if (strcmp(signature, "join(_,_)") == 0) return stringJoin;
if (strcmp(signature, "fromCharCode(_)") == 0) return stringFromCharCode;
}
return NULL;
}

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14
test.wren Normal file
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@ -0,0 +1,14 @@
var z= "AAAS"
var duu = z.count
// System.print(z.toUpper())
var a = "te_st_t_je".split("_").join("/").split("/").join("*").replace("*","~")
//a = a.toCamelCase()
System.print(duu)
System.print(a)
System.print(a)
System.print(a)
System.print(a)

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wren
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