- is_log = fn_line.group(2) == "log" and struct_name == "LDKLogger"
- if fn_line.group(2) != "free" and fn_line.group(2) != "clone" and fn_line.group(2) != "eq" and not is_log:
- dummy_line = fn_line.group(1) + struct_name.replace("LDK", "") + "_" + fn_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(4) + "\n"
- map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, "(this_arg_conv->" + fn_line.group(2) + ")(this_arg_conv->this_arg")
-
- out_c.write("""#include \"org_ldk_impl_bindings.h\"
-#include <rust_types.h>
-#include <lightning.h>
-#include <string.h>
-#include <stdatomic.h>
-""")
-
- if sys.argv[4] == "false":
- out_c.write("#define MALLOC(a, _) malloc(a)\n")
- out_c.write("#define FREE(p) if ((p) > 1024) { free(p); }\n")
- out_c.write("#define DO_ASSERT(a) (void)(a)\n")
- out_c.write("#define CHECK(a)\n")
- else:
- out_c.write("""#include <assert.h>
-// Always run a, then assert it is true:
-#define DO_ASSERT(a) do { bool _assert_val = (a); assert(_assert_val); } while(0)
-// Assert a is true or do nothing
-#define CHECK(a) DO_ASSERT(a)
-
-// Running a leak check across all the allocations and frees of the JDK is a mess,
-// so instead we implement our own naive leak checker here, relying on the -wrap
-// linker option to wrap malloc/calloc/realloc/free, tracking everyhing allocated
-// and free'd in Rust or C across the generated bindings shared library.
-#include <threads.h>
-#include <execinfo.h>
-#include <unistd.h>
-static mtx_t allocation_mtx;
-
-void __attribute__((constructor)) init_mtx() {
- DO_ASSERT(mtx_init(&allocation_mtx, mtx_plain) == thrd_success);
-}
-
-#define BT_MAX 128
-typedef struct allocation {
- struct allocation* next;
- void* ptr;
- const char* struct_name;
- void* bt[BT_MAX];
- int bt_len;
-} allocation;
-static allocation* allocation_ll = NULL;
-
-void* __real_malloc(size_t len);
-void* __real_calloc(size_t nmemb, size_t len);
-static void new_allocation(void* res, const char* struct_name) {
- allocation* new_alloc = __real_malloc(sizeof(allocation));
- new_alloc->ptr = res;
- new_alloc->struct_name = struct_name;
- new_alloc->bt_len = backtrace(new_alloc->bt, BT_MAX);
- DO_ASSERT(mtx_lock(&allocation_mtx) == thrd_success);
- new_alloc->next = allocation_ll;
- allocation_ll = new_alloc;
- DO_ASSERT(mtx_unlock(&allocation_mtx) == thrd_success);
-}
-static void* MALLOC(size_t len, const char* struct_name) {
- void* res = __real_malloc(len);
- new_allocation(res, struct_name);
- return res;
-}
-void __real_free(void* ptr);
-static void alloc_freed(void* ptr) {
- allocation* p = NULL;
- DO_ASSERT(mtx_lock(&allocation_mtx) == thrd_success);
- allocation* it = allocation_ll;
- while (it->ptr != ptr) { p = it; it = it->next; }
- if (p) { p->next = it->next; } else { allocation_ll = it->next; }
- DO_ASSERT(mtx_unlock(&allocation_mtx) == thrd_success);
- DO_ASSERT(it->ptr == ptr);
- __real_free(it);
-}
-static void FREE(void* ptr) {
- if ((long)ptr < 1024) return; // Rust loves to create pointers to the NULL page for dummys
- alloc_freed(ptr);
- __real_free(ptr);
-}
-
-void* __wrap_malloc(size_t len) {
- void* res = __real_malloc(len);
- new_allocation(res, "malloc call");
- return res;
-}
-void* __wrap_calloc(size_t nmemb, size_t len) {
- void* res = __real_calloc(nmemb, len);
- new_allocation(res, "calloc call");
- return res;
-}
-void __wrap_free(void* ptr) {
- alloc_freed(ptr);
- __real_free(ptr);
-}
+ is_log = fn_line.group(3) == "log" and struct_name == "LDKLogger"
+ if fn_line.group(3) != "free" and fn_line.group(3) != "clone" and fn_line.group(3) != "eq" and not is_log:
+ dummy_line = fn_line.group(2) + struct_name.replace("LDK", "") + "_" + fn_line.group(3) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
+ map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, "(this_arg_conv->" + fn_line.group(3) + ")(this_arg_conv->this_arg")
+ for idx, var_line in enumerate(field_var_lines):
+ if var_line.group(1) not in trait_structs:
+ write_c(var_line.group(1) + " " + struct_name + "_set_get_" + var_line.group(2) + "(" + struct_name + "* this_arg) {\n")
+ write_c("\tif (this_arg->set_" + var_line.group(2) + " != NULL)\n")
+ write_c("\t\tthis_arg->set_" + var_line.group(2) + "(this_arg);\n")
+ write_c("\treturn this_arg->" + var_line.group(2) + ";\n")
+ write_c("}\n")
+ dummy_line = var_line.group(1) + " " + struct_name.replace("LDK", "") + "_get_" + var_line.group(2) + " " + struct_name + "* this_arg" + fn_line.group(5) + "\n"
+ map_fn(dummy_line, re.compile("([A-Za-z_0-9]*) *([A-Za-z_0-9]*) *(.*)").match(dummy_line), None, struct_name + "_set_get_" + var_line.group(2) + "(this_arg_conv")
+
+ def map_result(struct_name, res_ty, err_ty):
+ result_types.add(struct_name)
+ human_ty = struct_name.replace("LDKCResult", "Result")
+ with open(sys.argv[3] + "/structs/" + human_ty + ".java", "w") as out_java_struct:
+ out_java_struct.write(hu_struct_file_prefix)
+ out_java_struct.write("public class " + human_ty + " extends CommonBase {\n")
+ out_java_struct.write("\tprivate " + human_ty + "(Object _dummy, long ptr) { super(ptr); }\n")
+ out_java_struct.write("\tprotected void finalize() throws Throwable {\n")
+ out_java_struct.write("\t\tif (ptr != 0) { bindings." + struct_name.replace("LDK","") + "_free(ptr); } super.finalize();\n")
+ out_java_struct.write("\t}\n\n")
+ out_java_struct.write("\tstatic " + human_ty + " constr_from_ptr(long ptr) {\n")
+ out_java_struct.write("\t\tif (bindings." + struct_name + "_result_ok(ptr)) {\n")
+ out_java_struct.write("\t\t\treturn new " + human_ty + "_OK(null, ptr);\n")
+ out_java_struct.write("\t\t} else {\n")
+ out_java_struct.write("\t\t\treturn new " + human_ty + "_Err(null, ptr);\n")
+ out_java_struct.write("\t\t}\n")
+ out_java_struct.write("\t}\n")
+
+ res_map = map_type(res_ty + " res", True, None, False, True)
+ err_map = map_type(err_ty + " err", True, None, False, True)
+
+ out_java.write("\tpublic static native boolean " + struct_name + "_result_ok(long arg);\n")
+ write_c("JNIEXPORT jboolean JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1result_1ok (JNIEnv * env, jclass _a, jlong arg) {\n")
+ write_c("\treturn ((" + struct_name + "*)arg)->result_ok;\n")
+ write_c("}\n")
+
+ out_java.write("\tpublic static native " + res_map.java_ty + " " + struct_name + "_get_ok(long arg);\n")
+ write_c("JNIEXPORT " + res_map.c_ty + " JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1get_1ok (JNIEnv * _env, jclass _a, jlong arg) {\n")
+ write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
+ write_c("\tCHECK(val->result_ok);\n\t")
+ out_java_struct.write("\tpublic static final class " + human_ty + "_OK extends " + human_ty + " {\n")
+ if res_map.ret_conv is not None:
+ write_c(res_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.result)")
+ write_c(res_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + res_map.ret_conv_name)
+ else:
+ write_c("return *val->contents.result")
+ write_c(";\n}\n")
+
+ if res_map.java_hu_ty != "void":
+ out_java_struct.write("\t\tpublic final " + res_map.java_hu_ty + " res;\n")
+ out_java_struct.write("\t\tprivate " + human_ty + "_OK(Object _dummy, long ptr) {\n")
+ out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
+ if res_map.java_hu_ty == "void":
+ pass
+ elif res_map.to_hu_conv is not None:
+ out_java_struct.write("\t\t\t" + res_map.java_ty + " res = bindings." + struct_name + "_get_ok(ptr);\n")
+ out_java_struct.write("\t\t\t" + res_map.to_hu_conv.replace("\n", "\n\t\t\t"))
+ out_java_struct.write("\n\t\t\tthis.res = " + res_map.to_hu_conv_name + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis.res = bindings." + struct_name + "_get_ok(ptr);\n")
+ out_java_struct.write("\t\t}\n")
+ if struct_name.startswith("LDKCResult_None"):
+ out_java_struct.write("\t\tpublic " + human_ty + "_OK() {\n\t\t\tthis(null, bindings.C" + human_ty + "_ok());\n")
+ else:
+ out_java_struct.write("\t\tpublic " + human_ty + "_OK(" + res_map.java_hu_ty + " res) {\n")
+ if res_map.from_hu_conv is not None:
+ out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(" + res_map.from_hu_conv[0] + "));\n")
+ if res_map.from_hu_conv[1] != "":
+ out_java_struct.write("\t\t\t" + res_map.from_hu_conv[1] + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis(null, bindings.C" + human_ty + "_ok(res));\n")
+ out_java_struct.write("\t\t}\n\t}\n\n")
+
+ out_java.write("\tpublic static native " + err_map.java_ty + " " + struct_name + "_get_err(long arg);\n")
+ write_c("JNIEXPORT " + err_map.c_ty + " JNICALL Java_org_ldk_impl_bindings_" + struct_name.replace("_", "_1") + "_1get_1err (JNIEnv * _env, jclass _a, jlong arg) {\n")
+ write_c("\t" + struct_name + " *val = (" + struct_name + "*)arg;\n")
+ write_c("\tCHECK(!val->result_ok);\n\t")
+ out_java_struct.write("\tpublic static final class " + human_ty + "_Err extends " + human_ty + " {\n")
+ if err_map.ret_conv is not None:
+ write_c(err_map.ret_conv[0].replace("\n", "\n\t") + "(*val->contents.err)")
+ write_c(err_map.ret_conv[1].replace("\n", "\n\t") + "\n\treturn " + err_map.ret_conv_name)
+ else:
+ write_c("return *val->contents.err")
+ write_c(";\n}\n")
+
+ if err_map.java_hu_ty != "void":
+ out_java_struct.write("\t\tpublic final " + err_map.java_hu_ty + " err;\n")
+ out_java_struct.write("\t\tprivate " + human_ty + "_Err(Object _dummy, long ptr) {\n")
+ out_java_struct.write("\t\t\tsuper(_dummy, ptr);\n")
+ if err_map.java_hu_ty == "void":
+ pass
+ elif err_map.to_hu_conv is not None:
+ out_java_struct.write("\t\t\t" + err_map.java_ty + " err = bindings." + struct_name + "_get_err(ptr);\n")
+ out_java_struct.write("\t\t\t" + err_map.to_hu_conv.replace("\n", "\n\t\t\t"))
+ out_java_struct.write("\n\t\t\tthis.err = " + err_map.to_hu_conv_name + ";\n")
+ else:
+ out_java_struct.write("\t\t\tthis.err = bindings." + struct_name + "_get_err(ptr);\n")
+ out_java_struct.write("\t\t}\n")