Cargo.lock

@@ -2,6 +2,12 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
 [[package]]
 name = "fastrand"
 version = "2.0.1"
@@ -13,11 +19,88 @@ name = "labast"
 version = "1.0.5"
 dependencies = [
  "fastrand",
+ "libloading",
  "pico-args",
 ]
 
+[[package]]
+name = "libloading"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c571b676ddfc9a8c12f1f3d3085a7b163966a8fd8098a90640953ce5f6170161"
+dependencies = [
+ "cfg-if",
+ "windows-sys",
+]
+
 [[package]]
 name = "pico-args"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5be167a7af36ee22fe3115051bc51f6e6c7054c9348e28deb4f49bd6f705a315"
+
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"

Cargo.toml

@@ -18,4 +18,5 @@ panic = "abort"
 
 [dependencies]
 fastrand = "2.0.1"
+libloading = "0.8.1"
 pico-args = "0.5.0"

scripts/native_test.lb

@@ -0,0 +1,3 @@
+@ 0
+ push -1
+ #native native_test

scripts/native_test.rs

@@ -0,0 +1,12 @@
+// Build with
+// rustc --crate-type cdylib native_test.rs -o native_test.so
+// or
+// rustc --crate-type cdylib native_test.rs -o native_test.dll
+
+#[no_mangle]
+unsafe extern "C" fn labashka(pop: extern fn() -> u16, push: extern fn(u16) -> i32, len: extern fn () -> usize, max: usize) -> u32 {
+    println!("At {}, there's {}.", len(), pop());
+    push(12);
+    println!("Maximum size is {}.", max);
+    return 0;   
+}

src/execute.rs

@@ -111,6 +111,10 @@ pub fn execute(stack: &mut Stack, mut origin_stack: Option<&mut Stack>, mod_name
                 let arg = instruction.arg.clone();
                 instructions::exec::exec(stack, arg, mod_name.clone())
             },
+            "#native" => {
+                let arg = instruction.arg.clone();
+                instructions::native::native(stack, arg)
+            },
             
             // Self-modifying
             

src/instructions/mod.rs

@@ -39,4 +39,5 @@ pub mod print;
 pub mod println;
 pub mod insert;
 pub mod random;
-pub mod rjmp;
+pub mod rjmp;
+pub mod native;

src/instructions/native.rs

@@ -0,0 +1,49 @@
+use crate::Stack;
+use libloading::{Library, Symbol};
+
+static mut STACKPTR: *mut Stack = 0 as *mut Stack;
+
+#[no_mangle]
+extern fn stack_pop_callback() -> u16  { 
+    return unsafe {
+        (*STACKPTR).memory.pop()
+    }; 
+}
+
+#[no_mangle]
+extern fn stack_push_callback(data: u16) -> i32 { 
+    unsafe { 
+        (*STACKPTR).memory.push(data) 
+    }; 
+    return 0; 
+}
+
+#[no_mangle]
+extern fn stack_len_callback() -> usize { 
+    return unsafe{
+        (*STACKPTR).memory.len()
+    }; 
+}
+
+
+pub fn native(stack: &mut Stack, arg: String) {
+    unsafe {
+        STACKPTR = stack as *mut Stack;
+    }
+    #[cfg(not(target_family = "windows"))]
+    let libsuf: String = ".so".to_owned();
+
+    #[cfg(target_family = "windows")]
+    let libsuf: String = ".dll".to_owned();
+
+    let libpref: String = "./".to_owned();
+
+    unsafe {
+        let module = Library::new([libpref, arg, libsuf].join("")).unwrap();
+        // C libraries should use 
+        // int labashka(unsinged short (*pop)(), void (*push)(unsinged short), size_t (*len)(), size_t max_size );
+        let func: Symbol<unsafe extern "C" fn(extern fn() -> u16, extern fn(u16) -> i32, extern fn () -> usize, usize) -> u32> = module.get(b"labashka").unwrap();
+        func(stack_pop_callback,stack_push_callback,stack_len_callback, stack.memory.size());
+    }
+}
+