1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
use std::ffi::{CString, CStr}; use std::os::raw::{c_char}; pub mod console; pub mod dom; pub mod timing; pub mod canvas; pub mod random; #[macro_export] macro_rules! wasmblock_setup { () => { #[no_mangle] pub fn alloc(size: usize) -> *mut std::os::raw::c_void { let mut buf = Vec::with_capacity(size); let ptr = buf.as_mut_ptr(); std::mem::forget(buf); return ptr as *mut std::os::raw::c_void; } #[no_mangle] pub fn dealloc(ptr: *mut std::os::raw::c_void, cap: usize) { unsafe { let _buf = Vec::from_raw_parts(ptr, 0, cap); } } #[no_mangle] pub fn dealloc_str(ptr: *mut std::os::raw::c_char) { unsafe { let _ = std::ffi::CString::from_raw(ptr); } } }; } pub fn import_string(data: *mut c_char) -> String{ unsafe { CStr::from_ptr(data).to_string_lossy().into_owned() } } pub fn export_string<T:Into<std::vec::Vec<u8>>>(s:T) -> *const c_char{ let s = CString::new(s).unwrap(); let p = s.as_ptr(); std::mem::forget(s); return p; }