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// Auto generated by Wa Compiler, DONOT EDIT!!! | ||
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class WaApp { | ||
constructor() { | ||
this._wasm_url = "./brainfuck.wasm"; | ||
this._mem_util = this._createMemUtil(); | ||
this._wasm_inst = null; | ||
this._wa_print_buf = ""; | ||
} | ||
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_createMemUtil = () => { | ||
return { | ||
mem: () => { return this._wasm_inst.exports.memory; }, | ||
mem_view: (addr, len) => { return new DataView(this._mem_util.mem().buffer, addr, len); }, | ||
mem_array_u8: (addr, len) => { return new Uint8Array(this._mem_util.mem().buffer, addr, len); }, | ||
mem_array_u16: (addr, len) => { return new Uint16Array(this._mem_util.mem().buffer, addr, len); }, | ||
mem_array_u32: (addr, len) => { return new Uint32Array(this._mem_util.mem().buffer, addr, len); }, | ||
mem_array_i32: (addr, len) => { return new Int32Array(this._mem_util.mem().buffer, addr, len); }, | ||
mem_array_f32: (addr, len) => { return new Float32Array(this._mem_util.mem().buffer, addr, len); }, | ||
mem_array_f64: (addr, len) => { return new Float64Array(this._mem_util.mem().buffer, addr, len); }, | ||
get_string: (d, l) => { return new TextDecoder("utf-8").decode(this._mem_util.mem_view(d, l)); }, | ||
set_string: (s) => { | ||
const bytes = new TextEncoder("utf-8").encode(s); | ||
const l = bytes.length; | ||
const b = this._wasm_inst.exports["runtime.Block.HeapAlloc"](l, 0, 1); | ||
const d = b + 16; | ||
this._mem_util.mem_array_u8(d, l).set(bytes); | ||
return [b, d, l]; | ||
}, | ||
get_bytes: (d, l) => { return this._mem_util.mem_array_u8(d, l).slice(0); }, | ||
set_bytes: (bytes) => { | ||
const l = bytes.length; | ||
const c = l; | ||
const b = this._wasm_inst.exports["runtime.Block.HeapAlloc"](l, 0, 1); | ||
const d = b + 16; | ||
this._mem_util.mem_array_u8(d, l).set(bytes); | ||
return [b, d, l, c]; | ||
}, | ||
block_release: (addr) => { this._wasm_inst.exports["runtime.Block.Release"](addr); }, | ||
//基本类型直接读写: | ||
bool_load: (addr) => { return this._mem_util.mem_array_u8(addr, 1)[0] != 0; }, | ||
bool_store: (addr, v) => { | ||
if (v) { | ||
this._mem_util.mem_array_u8(addr, 1)[0] = 1; | ||
} else { | ||
this._mem_util.mem_array_u8(addr, 1)[0] = 0; | ||
} | ||
}, | ||
u8_load: (addr) => { return this._mem_util.mem_array_u8(addr, 1)[0]; }, | ||
u8_store: (addr, v) => { this._mem_util.mem_array_u8(addr, 1)[0] = v; }, | ||
u16_load: (addr) => { return this._mem_util.mem_array_u16(addr, 1)[0]; }, | ||
u16_store: (addr, v) => { this._mem_util.mem_array_u16(addr, 1)[0] = v; }, | ||
u32_load: (addr) => { return this._mem_util.mem_array_u32(addr, 1)[0]; }, | ||
u32_store: (addr, v) => { this._mem_util.mem_array_u32(addr, 1)[0] = v; }, | ||
i32_load: (addr) => { return this._mem_util.mem_array_i32(addr, 1)[0]; }, | ||
i32_store: (addr, v) => { this._mem_util.mem_array_i32(addr, 1)[0] = v; }, | ||
rune_load: (addr) => { return String.fromCodePoint(this._mem_util.mem_array_u32(addr, 1)[0]); }, | ||
rune_store: (addr, v) => { this._mem_util.mem_array_u32(addr, 1)[0] = v.codePointAt(0); }, | ||
f32_load: (addr) => { return this._mem_util.mem_array_f32(addr, 1)[0]; }, | ||
f32_store: (addr, v) => { this._mem_util.mem_array_f32(addr, 1)[0] = v; }, | ||
f64_load: (addr) => { return this._mem_util.mem_array_f64(addr, 1)[0]; }, | ||
f64_store: (addr, v) => { this._mem_util.mem_array_f64(addr, 1)[0] = v; }, | ||
string_load: (addr) => { | ||
const d = this._mem_util.i32_load(addr + 4); | ||
const l = this._mem_util.i32_load(addr + 8); | ||
return this._mem_util.get_string(d, l); | ||
}, | ||
string_store: (addr, v) => { | ||
const b = this._mem_util.i32_load(addr); | ||
this._mem_util.block_release(b); | ||
let ns = this._mem_util.set_string(v); | ||
this._mem_util.i32_store(addr, ns[0]); | ||
this._mem_util.i32_store(addr + 4, ns[1]); | ||
this._mem_util.i32_store(addr + 8, ns[2]); | ||
}, | ||
extract_string: (arr) => { | ||
const s = this._mem_util.get_string(arr[1], arr[2]); | ||
this._mem_util.block_release(arr[0]); | ||
arr.splice(0, 3); | ||
return s; | ||
}, | ||
extract_bytes: (arr) => { | ||
const b = this._mem_util.get_bytes(arr[1], arr[2]); | ||
this._mem_util.block_release(arr[0]); | ||
arr.splice(0, 4); | ||
return b | ||
}, | ||
extract_bool: (arr) => { const v = arr[0]; arr.splice(0, 1); return v?true:false; }, | ||
extract_rune: (arr) => { const v = arr[0]; arr.splice(0, 1); return String.fromCodePoint(v); }, | ||
extract_number: (arr) => { const v = arr[0]; arr.splice(0, 1); return v; }, | ||
} | ||
}; | ||
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_createSyscall = () => { | ||
return { | ||
print_bool: (b) => { this._wa_print_buf += Boolean(b).toString(); }, | ||
print_u32: (i) => { | ||
if (i < 0) { | ||
i += 4294967296; | ||
} | ||
this._wa_print_buf += i; | ||
}, | ||
print_i32: (i) => { this._wa_print_buf += i }, | ||
print_u64: (i) => { this._wa_print_buf += i }, | ||
print_u64: (i) => { this._wa_print_buf += i }, | ||
print_i64: (i) => { this._wa_print_buf += i }, | ||
print_f32: (f) => { this._wa_print_buf += f }, | ||
print_f64: (f) => { this._wa_print_buf += f }, | ||
print_ptr: (p) => { this._wa_print_buf += p }, | ||
print_str: (addr, len) => { this._wa_print_buf += this._mem_util.get_string(addr, len);}, | ||
proc_exit: (code) => { alert(code) }, | ||
print_rune: (c) => { | ||
let ch = String.fromCodePoint(c); | ||
if (ch == "\n") { | ||
console.log(this._wa_print_buf); | ||
this._wa_print_buf = ""; | ||
} | ||
else { | ||
this._wa_print_buf += ch; | ||
} | ||
} | ||
} | ||
}; | ||
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async init() { | ||
const app = this; | ||
const imports = { | ||
syscall_js: this._createSyscall(), | ||
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// ... | ||
}; | ||
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try { | ||
const source = await fetch(this._wasm_url); | ||
const result = await WebAssembly.instantiateStreaming(source, imports); | ||
this._wasm_inst = result.instance; | ||
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// 全局变量: | ||
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// 全局函数: | ||
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this.Run = function(code) { | ||
// 准备参数 | ||
let params = []; | ||
let p0 = this._mem_util.set_string(code); | ||
params = params.concat(p0); | ||
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let res = this._wasm_inst.exports["brainfuck.Run"](...params); | ||
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if (!Array.prototype.isPrototypeOf(res)) { | ||
res = [res]; | ||
} | ||
let r0 = this._mem_util.extract_string(res); | ||
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this._mem_util.block_release(p0[0]); | ||
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return r0; | ||
} | ||
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this.main = function() { | ||
// 准备参数 | ||
let params = []; | ||
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let res = this._wasm_inst.exports["brainfuck.main"](...params); | ||
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if (!Array.prototype.isPrototypeOf(res)) { | ||
res = [res]; | ||
} | ||
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} | ||
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this._wasm_inst.exports._start(); | ||
return this | ||
} catch (error) { | ||
console.error('WASM 初始化失败:', error); | ||
} | ||
} | ||
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} // class WaApp | ||
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