From: Matt Corallo Date: Thu, 28 Jan 2021 00:54:37 +0000 (-0500) Subject: Redo arrays/strings in TS to be uint32_ts, call trait functions X-Git-Tag: v0.0.1~32 X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-java;a=commitdiff_plain;h=adb79d6aab43c765dfab7031d09f3fb583b7260c Redo arrays/strings in TS to be uint32_ts, call trait functions --- diff --git a/gen_type_mapping.py b/gen_type_mapping.py index 9c05e5ec..5dfb9bf1 100644 --- a/gen_type_mapping.py +++ b/gen_type_mapping.py @@ -168,17 +168,15 @@ class TypeMappingGenerator: if ty_info.arr_access is None: return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None, - ret_conv = ("jstring " + ty_info.var_name + "_conv = " + self.consts.owned_str_to_c_call[0], self.consts.owned_str_to_c_call[1] + ";"), ret_conv_name = ty_info.var_name + "_conv", + ret_conv = ("const char* " + ty_info.var_name + "_str = ", + ";\njstring " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_c_call(ty_info.var_name + "_str", "strlen(" + ty_info.var_name + "_str)") + ";"), + ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) else: return ConvInfo(ty_info = ty_info, arg_name = ty_info.var_name, arg_conv = None, arg_conv_name = None, arg_conv_cleanup = None, ret_conv = ("LDKStr " + ty_info.var_name + "_str = ", - ";\nchar* " + ty_info.var_name + "_buf = MALLOC(" + ty_info.var_name + "_str." + ty_info.arr_len + " + 1, \"str conv buf\");\n" + - "memcpy(" + ty_info.var_name + "_buf, " + ty_info.var_name + "_str." + ty_info.arr_access + ", " + ty_info.var_name + "_str." + ty_info.arr_len + ");\n" + - ty_info.var_name + "_buf[" + ty_info.var_name + "_str." + ty_info.arr_len + "] = 0;\n" + - "jstring " + ty_info.var_name + "_conv = " + self.consts.owned_str_to_c_call[0] + ty_info.var_name + "_str." + ty_info.arr_access + self.consts.owned_str_to_c_call[1] + ";\n" + - "FREE(" + ty_info.var_name + "_buf);"), + ";\njstring " + ty_info.var_name + "_conv = " + self.consts.str_ref_to_c_call(ty_info.var_name + "_str." + ty_info.arr_access, ty_info.var_name + "_str." + ty_info.arr_len) + ";"), ret_conv_name = ty_info.var_name + "_conv", to_hu_conv = None, to_hu_conv_name = None, from_hu_conv = None) elif ty_info.var_name == "" and not print_void: # We don't have a parameter name, and want one, just call it arg diff --git a/java_strings.py b/java_strings.py index d9b7b4b7..086518ff 100644 --- a/java_strings.py +++ b/java_strings.py @@ -67,6 +67,7 @@ class CommonBase { #include #include #include + """ if not DEBUG: @@ -281,6 +282,15 @@ _Static_assert(sizeof(void*) <= 8, "Pointers must fit into 64 bits"); typedef jlongArray int64_tArray; typedef jbyteArray int8_tArray; +static inline jstring str_ref_to_java(JNIEnv *env, const char* chars, size_t len) { + // Sadly we need to create a temporary because Java can't accept a char* without a 0-terminator + char* err_buf = MALLOC(len + 1, "str conv buf"); + memcpy(err_buf, chars, len); + err_buf[len] = 0; + jstring err_conv = (*env)->NewStringUTF(env, chars); + FREE(err_buf); + return err_conv; +} """ self.hu_struct_file_prefix = """package org.ldk.structs; @@ -299,7 +309,6 @@ import java.util.Arrays; self.ptr_c_ty = "int64_t" self.ptr_native_ty = "long" self.result_c_ty = "jclass" - self.owned_str_to_c_call = ("(*env)->NewStringUTF(env, ", ")") self.ptr_arr = "jobjectArray" self.get_native_arr_len_call = ("(*env)->GetArrayLength(env, ", ")") @@ -350,6 +359,9 @@ import java.util.Arrays; else: return "(*env)->Release" + ty_info.java_ty.strip("[]").title() + "ArrayElements(env, " + arr_name + ", " + dest_name + ", 0)" + def str_ref_to_c_call(self, var_name, str_len): + return "str_ref_to_java(env, " + var_name + ", " + str_len + ")" + def init_str(self): res = "" for ty in self.c_array_class_caches: diff --git a/ts/js-wasm.h b/ts/js-wasm.h index 95db6d2e..aa5eec52 100644 --- a/ts/js-wasm.h +++ b/ts/js-wasm.h @@ -3,61 +3,51 @@ #endif #ifndef JS_H +#include +#include -unsigned int -js_strlen(const char *str) +size_t strlen(const char *str) { - const char *s; - - for (s = str; *s; ++s) - ; - return (s - str); + const char *s; + for (s = str; *s; ++s) ; + return (s - str); } -typedef double JSValue; -typedef int JSFunction; -extern JSFunction js_register_function(char*,unsigned int); -extern JSValue js_invoke_function(JSFunction,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue); -extern void js_release(JSValue); - -JSValue const JS_NULL = 0.0; -JSValue const JS_UNDEFINED = 1.0; -JSValue const DOM_SELF = 2.0; -JSValue const DOM_WINDOW = 2.0; -JSValue const DOM_DOCUMENT = 3.0; -JSValue const DOM_BODY = 4.0; +typedef uint32_t JSValue; +extern JSValue js_invoke_function(JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue,JSValue); +extern void js_free(JSValue); -static inline JSValue js_invoke_function_0(JSFunction fn){ - return js_invoke_function(fn,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0); +static inline JSValue js_invoke_function_0(JSValue fn){ + return js_invoke_function(fn,0,0,0,0,0,0,0,0,0,0); } -static inline JSValue js_invoke_function_1(JSFunction fn, JSValue a){ - return js_invoke_function(fn,a,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0); +static inline JSValue js_invoke_function_1(JSValue fn, JSValue a){ + return js_invoke_function(fn,a,0,0,0,0,0,0,0,0,0); } -static inline JSValue js_invoke_function_2(JSFunction fn, JSValue a, JSValue b){ - return js_invoke_function(fn,a,b,0.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0); +static inline JSValue js_invoke_function_2(JSValue fn, JSValue a, JSValue b){ + return js_invoke_function(fn,a,b,0,0,0,0,0,0,0,0); } -static inline JSValue js_invoke_function_3(JSFunction fn, JSValue a, JSValue b, JSValue c){ - return js_invoke_function(fn,a,b,c,0.0,0.0,0.0,0.0,0.0,0.0,0.0); +static inline JSValue js_invoke_function_3(JSValue fn, JSValue a, JSValue b, JSValue c){ + return js_invoke_function(fn,a,b,c,0,0,0,0,0,0,0); } -static inline JSValue js_invoke_function_4(JSFunction fn, JSValue a, JSValue b, JSValue c, JSValue d){ - return js_invoke_function(fn,a,b,c,d,0.0,0.0,0.0,0.0,0.0,0.0); +static inline JSValue js_invoke_function_4(JSValue fn, JSValue a, JSValue b, JSValue c, JSValue d){ + return js_invoke_function(fn,a,b,c,d,0,0,0,0,0,0); } -static inline JSValue js_invoke_function_5(JSFunction fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e){ - return js_invoke_function(fn,a,b,c,d,e,0.0,0.0,0.0,0.0,0.0); +static inline JSValue js_invoke_function_5(JSValue fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e){ + return js_invoke_function(fn,a,b,c,d,e,0,0,0,0,0); } -static inline JSValue js_invoke_function_6(JSFunction fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f){ - return js_invoke_function(fn,a,b,c,d,e,f,0.0,0.0,0.0,0.0); +static inline JSValue js_invoke_function_6(JSValue fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f){ + return js_invoke_function(fn,a,b,c,d,e,f,0,0,0,0); } -static inline JSValue js_invoke_function_7(JSFunction fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f, JSValue g){ - return js_invoke_function(fn,a,b,c,d,e,f,g,0.0,0.0,0.0); +static inline JSValue js_invoke_function_7(JSValue fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f, JSValue g){ + return js_invoke_function(fn,a,b,c,d,e,f,g,0,0,0); } -static inline JSValue js_invoke_function_8(JSFunction fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f, JSValue g, JSValue h){ - return js_invoke_function(fn,a,b,c,d,e,f,g,h,0.0,0.0); +static inline JSValue js_invoke_function_8(JSValue fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f, JSValue g, JSValue h){ + return js_invoke_function(fn,a,b,c,d,e,f,g,h,0,0); } -static inline JSValue js_invoke_function_9(JSFunction fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f, JSValue g, JSValue h, JSValue i){ - return js_invoke_function(fn,a,b,c,d,e,f,g,h,i,0.0); +static inline JSValue js_invoke_function_9(JSValue fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f, JSValue g, JSValue h, JSValue i){ + return js_invoke_function(fn,a,b,c,d,e,f,g,h,i,0); } -static inline JSValue js_invoke_function_10(JSFunction fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f, JSValue g, JSValue h, JSValue i, JSValue j){ +static inline JSValue js_invoke_function_10(JSValue fn, JSValue a, JSValue b, JSValue c, JSValue d, JSValue e, JSValue f, JSValue g, JSValue h, JSValue i, JSValue j){ return js_invoke_function(fn,a,b,c,d,e,f,g,h,i,j); } #endif diff --git a/typescript_strings.py b/typescript_strings.py index a8e9acdc..0f38cd21 100644 --- a/typescript_strings.py +++ b/typescript_strings.py @@ -216,13 +216,28 @@ _Static_assert(offsetof(LDKCVec_u8Z, datalen) == offsetof(LDKu8slice, datalen), _Static_assert(sizeof(void*) == 4, "Pointers mut be 32 bits"); -typedef struct int64_tArray { uint32_t *len; /* len + 1 is data */ } int64_tArray; -typedef struct uint32_tArray { uint32_t *len; /* len + 1 is data */ } uint32_tArray; -typedef struct ptrArray { uint32_t *len; /* len + 1 is data */ } ptrArray; -typedef struct int8_tArray { uint32_t *len; /* len + 1 is data */ } int8_tArray; -typedef struct jstring {} jstring; +//typedef struct int64_tArray { uint32_t *len; /* len + 1 is data */ } int64_tArray; +//typedef struct uint32_tArray { uint32_t *len; /* len + 1 is data */ } uint32_tArray; +//typedef struct ptrArray { uint32_t *len; /* len + 1 is data */ } ptrArray; +//typedef struct int8_tArray { uint32_t *len; /* len + 1 is data */ } int8_tArray; +typedef uint32_t int64_tArray; +typedef uint32_t int8_tArray; +typedef uint32_t uint32_tArray; +typedef uint32_t ptrArray; +typedef uint32_t jstring; + +static inline uint32_t init_arr(size_t arr_len, size_t elem_size, const char *type_desc) { + uint32_t *elems = (uint32_t*)MALLOC(arr_len * elem_size + 4, type_desc); + elems[0] = arr_len; + return (uint32_t)elems; +} -jstring conv_owned_string(const char* _src) { jstring a; return a; } +jstring str_ref_to_ts(const char* chars, size_t len) { + char* err_buf = MALLOC(len + 4, "str conv buf"); + *((uint32_t*)err_buf) = len; + memcpy(err_buf + 4, chars, len); + return (uint32_t) err_buf; +} typedef bool jboolean; @@ -240,44 +255,43 @@ import * as bindings from '../bindings' // TODO: figure out location self.ptr_c_ty = "uint32_t" self.ptr_native_ty = "number" self.result_c_ty = "uint32_t" - self.owned_str_to_c_call = ("conv_owned_string(", ")") self.ptr_arr = "ptrArray" - self.get_native_arr_len_call = ("*", ".len") + self.get_native_arr_len_call = ("*((uint32_t*)", ")") def release_native_arr_ptr_call(self, ty_info, arr_var, arr_ptr_var): return None def create_native_arr_call(self, arr_len, ty_info): if ty_info.c_ty == "int8_tArray": - return "{ .len = MALLOC(" + arr_len + " + sizeof(uint32_t), \"Native " + ty_info.c_ty + " Bytes\") }" + return "init_arr(" + arr_len + ", sizeof(uint8_t), \"Native int8_tArray Bytes\")" elif ty_info.c_ty == "int64_tArray": - return "{ .len = MALLOC(" + arr_len + " * sizeof(int64_t) + sizeof(uint32_t), \"Native " + ty_info.c_ty + " Bytes\") }" + return "init_arr(" + arr_len + ", sizeof(uint64_t), \"Native int64_tArray Bytes\")" elif ty_info.c_ty == "uint32_tArray": - return "{ .len = MALLOC(" + arr_len + " * sizeof(int32_t) + sizeof(uint32_t), \"Native " + ty_info.c_ty + " Bytes\") }" + return "init_arr(" + arr_len + ", sizeof(uint32_t), \"Native uint32_tArray Bytes\")" elif ty_info.c_ty == "ptrArray": assert ty_info.subty is not None and ty_info.subty.c_ty.endswith("Array") - return "{ .len = MALLOC(" + arr_len + " * sizeof(int32_t) + sizeof(uint32_t), \"Native Object Bytes\") }" + return "init_arr(" + arr_len + ", sizeof(uint32_t), \"Native ptrArray Bytes\")" else: print("Need to create arr!", ty_info.c_ty) return ty_info.c_ty def set_native_arr_contents(self, arr_name, arr_len, ty_info): if ty_info.c_ty == "int8_tArray": - return ("memcpy(" + arr_name + ".len + 1, ", ", " + arr_len + ")") + return ("memcpy((uint8_t*)(" + arr_name + " + 4), ", ", " + arr_len + ")") else: assert False def get_native_arr_contents(self, arr_name, dest_name, arr_len, ty_info, copy): if ty_info.c_ty == "int8_tArray": if copy: - return "memcpy(" + dest_name + ", " + arr_name + ".len + 1, " + arr_len + ")" + return "memcpy(" + dest_name + ", (uint8_t*)(" + arr_name + " + 4), " + arr_len + ")" else: - return "(int8_t*)(" + arr_name + ".len + 1)" + return "(int8_t*)(" + arr_name + " + 4)" else: - return "(" + ty_info.subty.c_ty + "*)(" + arr_name + ".len + 1)" + return "(" + ty_info.subty.c_ty + "*)(" + arr_name + " + 4)" def get_native_arr_elem(self, arr_name, idxc, ty_info): assert False # Only called if above is None def get_native_arr_ptr_call(self, ty_info): if ty_info.subty is not None: - return "(" + ty_info.subty.c_ty + "*)(", ".len + 1)" - return "(" + ty_info.c_ty + "*)(", ".len + 1)" + return "(" + ty_info.subty.c_ty + "*)(", " + 4)" + return "(" + ty_info.c_ty + "*)(", " + 4)" def get_native_arr_entry_call(self, ty_info, arr_name, idxc, entry_access): return None def cleanup_native_arr_ref_contents(self, arr_name, dest_name, arr_len, ty_info): @@ -286,6 +300,9 @@ import * as bindings from '../bindings' // TODO: figure out location else: return None + def str_ref_to_c_call(self, var_name, str_len): + return "str_ref_to_ts(" + var_name + ", " + str_len + ")" + def wasm_import_header(self, target): if target == Target.NODEJS: return """ @@ -613,7 +630,6 @@ const decodeString = (stringPointer, free = true) => { # Now that we've written out our java code (and created java_meths), generate C out_c = "typedef struct " + struct_name + "_JCalls {\n" out_c = out_c + "\tatomic_size_t refcnt;\n" - out_c = out_c + "\t// TODO: Object pointer o;\n" for var in field_var_conversions: if isinstance(var, ConvInfo): # We're a regular ol' field @@ -623,7 +639,7 @@ const decodeString = (stringPointer, free = true) => { out_c = out_c + "\t" + var[0] + "_JCalls* " + var[1] + ";\n" for fn in field_function_lines: if fn.fn_name != "free" and fn.fn_name != "clone": - out_c = out_c + "\t// TODO: Some kind of method pointer " + fn.fn_name + "_meth;\n" + out_c = out_c + "\tuint32_t " + fn.fn_name + "_meth;\n" out_c = out_c + "} " + struct_name + "_JCalls;\n" for fn_line in field_function_lines: @@ -631,7 +647,9 @@ const decodeString = (stringPointer, free = true) => { out_c = out_c + "static void " + struct_name + "_JCalls_free(void* this_arg) {\n" out_c = out_c + "\t" + struct_name + "_JCalls *j_calls = (" + struct_name + "_JCalls*) this_arg;\n" out_c = out_c + "\tif (atomic_fetch_sub_explicit(&j_calls->refcnt, 1, memory_order_acquire) == 1) {\n" - out_c = out_c + "\t\t// TODO: do any release required for j_calls->o (refcnt-- in java, but may be redundant)\n" + for fn in field_function_lines: + if fn.fn_name != "free" and fn.fn_name != "clone": + out_c = out_c + "\t\tjs_free(j_calls->" + fn.fn_name + "_meth);\n" out_c = out_c + "\t\tFREE(j_calls);\n" out_c = out_c + "\t}\n}\n" @@ -656,13 +674,12 @@ const decodeString = (stringPointer, free = true) => { out_c = out_c + arg_info.arg_name out_c = out_c + arg_info.ret_conv[1].replace('\n', '\n\t') + "\n" - out_c = out_c + "\t//TODO: jobject obj = get object we can call against on j_calls->o\n" if fn_line.ret_ty_info.c_ty.endswith("Array"): - out_c = out_c + "\t" + fn_line.ret_ty_info.c_ty + " arg; // TODO: Call " + fn_line.fn_name + " on j_calls with instance obj, returning an object" + out_c = out_c + "\t" + fn_line.ret_ty_info.c_ty + " arg = js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->" + fn_line.fn_name + "_meth" elif fn_line.ret_ty_info.java_ty == "void": - out_c = out_c + "\treturn; //TODO: Call " + fn_line.fn_name + " on j_calls with instance obj" + out_c = out_c + "\tjs_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->" + fn_line.fn_name + "_meth" elif not fn_line.ret_ty_info.passed_as_ptr: - out_c = out_c + "\treturn 0; //TODO: Call " + fn_line.fn_name + " on j_calls with instance obj, returning " + fn_line.ret_ty_info.java_ty + out_c = out_c + "\treturn js_invoke_function_" + str(len(fn_line.args_ty)) + "(j_calls->" + fn_line.fn_name + "_meth" else: out_c = out_c + "\t" + fn_line.ret_ty_info.rust_obj + "* ret; // TODO: Call " + fn_line.fn_name + " on j_calls with instance obj, returning a pointer"