diff options
Diffstat (limited to 'platform')
| -rw-r--r-- | platform/javascript/javascript_eval.cpp | 82 |
1 files changed, 53 insertions, 29 deletions
diff --git a/platform/javascript/javascript_eval.cpp b/platform/javascript/javascript_eval.cpp index 74f8d80a76..1d737879f6 100644 --- a/platform/javascript/javascript_eval.cpp +++ b/platform/javascript/javascript_eval.cpp @@ -39,24 +39,41 @@ JavaScript *JavaScript::get_singleton() { return singleton; } +extern "C" EMSCRIPTEN_KEEPALIVE uint8_t *resize_poolbytearray_and_open_write(PoolByteArray *p_arr, PoolByteArray::Write *r_write, int p_len) { + + p_arr->resize(p_len); + *r_write = p_arr->write(); + return r_write->ptr(); +} + Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) { union { - int i; + bool b; double d; char *s; } js_data[4]; + + PoolByteArray arr; + PoolByteArray::Write arr_write; + /* clang-format off */ Variant::Type return_type = static_cast<Variant::Type>(EM_ASM_INT({ + const CODE = $0; + const USE_GLOBAL_EXEC_CONTEXT = $1; + const PTR = $2; + const ELEM_LEN = $3; + const BYTEARRAY_PTR = $4; + const BYTEARRAY_WRITE_PTR = $5; var eval_ret; try { - if ($3) { // p_use_global_exec_context + if (USE_GLOBAL_EXEC_CONTEXT) { // indirect eval call grants global execution context var global_eval = eval; - eval_ret = global_eval(UTF8ToString($2)); + eval_ret = global_eval(UTF8ToString(CODE)); } else { - eval_ret = eval(UTF8ToString($2)); + eval_ret = eval(UTF8ToString(CODE)); } } catch (e) { Module.printErr(e); @@ -66,16 +83,11 @@ Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) { switch (typeof eval_ret) { case 'boolean': - // bitwise op yields 32-bit int - setValue($0, eval_ret|0, 'i32'); + setValue(PTR, eval_ret, 'i32'); return 1; // BOOL case 'number': - if ((eval_ret|0)===eval_ret) { - setValue($0, eval_ret|0, 'i32'); - return 2; // INT - } - setValue($0, eval_ret, 'double'); + setValue(PTR, eval_ret, 'double'); return 3; // REAL case 'string': @@ -85,7 +97,7 @@ Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) { if (array_ptr===0) { throw new Error('String allocation failed (probably out of memory)'); } - setValue($0, array_ptr|0 , '*'); + setValue(PTR, array_ptr , '*'); stringToUTF8(eval_ret, array_ptr, array_len); return 4; // STRING } catch (e) { @@ -102,41 +114,50 @@ Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) { break; } - else if (typeof eval_ret.x==='number' && typeof eval_ret.y==='number') { - setValue($0, eval_ret.x, 'double'); - setValue($0+$1, eval_ret.y, 'double'); + if (ArrayBuffer.isView(eval_ret) && !(eval_ret instanceof Uint8Array)) { + eval_ret = new Uint8Array(eval_ret.buffer); + } + else if (eval_ret instanceof ArrayBuffer) { + eval_ret = new Uint8Array(eval_ret); + } + if (eval_ret instanceof Uint8Array) { + var bytes_ptr = ccall('resize_poolbytearray_and_open_write', 'number', ['number', 'number' ,'number'], [BYTEARRAY_PTR, BYTEARRAY_WRITE_PTR, eval_ret.length]); + HEAPU8.set(eval_ret, bytes_ptr); + return 20; // POOL_BYTE_ARRAY + } + + if (typeof eval_ret.x==='number' && typeof eval_ret.y==='number') { + setValue(PTR, eval_ret.x, 'double'); + setValue(PTR + ELEM_LEN, eval_ret.y, 'double'); if (typeof eval_ret.z==='number') { - setValue($0+$1*2, eval_ret.z, 'double'); + setValue(PTR + ELEM_LEN*2, eval_ret.z, 'double'); return 7; // VECTOR3 } else if (typeof eval_ret.width==='number' && typeof eval_ret.height==='number') { - setValue($0+$1*2, eval_ret.width, 'double'); - setValue($0+$1*3, eval_ret.height, 'double'); + setValue(PTR + ELEM_LEN*2, eval_ret.width, 'double'); + setValue(PTR + ELEM_LEN*3, eval_ret.height, 'double'); return 6; // RECT2 } return 5; // VECTOR2 } - else if (typeof eval_ret.r==='number' && typeof eval_ret.g==='number' && typeof eval_ret.b==='number') { - // assume 8-bit rgb components since we're on the web - setValue($0, eval_ret.r, 'double'); - setValue($0+$1, eval_ret.g, 'double'); - setValue($0+$1*2, eval_ret.b, 'double'); - setValue($0+$1*3, typeof eval_ret.a==='number' ? eval_ret.a : 1, 'double'); + if (typeof eval_ret.r === 'number' && typeof eval_ret.g === 'number' && typeof eval_ret.b === 'number') { + setValue(PTR, eval_ret.r, 'double'); + setValue(PTR + ELEM_LEN, eval_ret.g, 'double'); + setValue(PTR + ELEM_LEN*2, eval_ret.b, 'double'); + setValue(PTR + ELEM_LEN*3, typeof eval_ret.a === 'number' ? eval_ret.a : 1, 'double'); return 14; // COLOR } break; } return 0; // NIL - }, js_data, sizeof *js_data, p_code.utf8().get_data(), p_use_global_exec_context)); + }, p_code.utf8().get_data(), p_use_global_exec_context, js_data, sizeof *js_data, &arr, &arr_write)); /* clang-format on */ switch (return_type) { case Variant::BOOL: - return !!js_data->i; - case Variant::INT: - return js_data->i; + return js_data->b; case Variant::REAL: return js_data->d; case Variant::STRING: { @@ -153,7 +174,10 @@ Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) { case Variant::RECT2: return Rect2(js_data[0].d, js_data[1].d, js_data[2].d, js_data[3].d); case Variant::COLOR: - return Color(js_data[0].d / 255., js_data[1].d / 255., js_data[2].d / 255., js_data[3].d); + return Color(js_data[0].d, js_data[1].d, js_data[2].d, js_data[3].d); + case Variant::POOL_BYTE_ARRAY: + arr_write = PoolByteArray::Write(); + return arr; } return Variant(); } |