Merge pull request #201 from nakst/master

update essence bindings
This commit is contained in:
gingerBill
2018-03-11 20:52:58 +00:00
committed by GitHub
2 changed files with 106 additions and 47 deletions

View File

@@ -3,10 +3,36 @@ foreign import api "system:api"
Handle :: distinct int;
Errno :: distinct int;
O_RDONLY :: 1;
O_WRONLY :: 2;
O_CREATE :: 4;
O_TRUNC :: 4;
O_RDONLY :: 0x00001;
O_WRONLY :: 0x00002;
O_RDWR :: 0x00003;
O_CREATE :: 0x00040;
O_EXCL :: 0x00080;
O_TRUNC :: 0x00200;
O_APPEND :: 0x00400;
ERROR_NONE : Errno : -1 ;
ERROR_UNKNOWN_OPERATION_FAILURE : Errno : -7 ;
ERROR_PATH_NOT_WITHIN_MOUNTED_VOLUME : Errno : -14;
ERROR_PATH_NOT_FOUND : Errno : -15;
ERROR_FILE_EXISTS : Errno : -19;
ERROR_FILE_NOT_FOUND : Errno : -20;
ERROR_DRIVE_ERROR_FILE_DAMAGED : Errno : -21;
ERROR_ACCESS_NOT_WITHIN_FILE_BOUNDS : Errno : -22;
ERROR_ACCESS_DENIED : Errno : -23;
ERROR_FILE_IN_EXCLUSIVE_USE : Errno : -24;
ERROR_FILE_CANNOT_GET_EXCLUSIVE_USE : Errno : -25;
ERROR_INCORRECT_NODE_TYPE : Errno : -26;
ERROR_EVENT_NOT_SET : Errno : -27;
ERROR_TIMEOUT_REACHED : Errno : -29;
ERROR_REQUEST_CLOSED_BEFORE_COMPLETE : Errno : -30;
ERROR_NO_CHARACTER_AT_COORDINATE : Errno : -31;
ERROR_FILE_ON_READ_ONLY_VOLUME : Errno : -32;
ERROR_USER_CANCELED_IO : Errno : -33;
ERROR_DRIVE_CONTROLLER_REPORTED : Errno : -35;
ERROR_COULD_NOT_ISSUE_PACKET : Errno : -36;
ERROR_NOT_IMPLEMENTED : Errno : 1;
OS_Node_Type :: enum i32 {
File = 0,
@@ -18,22 +44,23 @@ OS_Node_Information :: struct {
id: [16]byte,
ntype: OS_Node_Type,
size: i64,
// Our additions...
position: i64,
}
foreign api {
@(link_name="OSHelloWorld") os_hello_world :: proc() ---;
@(link_name="OSPrintDirect") os_print_direct :: proc(str: cstring, length: int) ---;
@(link_name="OSHeapAllocate") os_heap_allocate :: proc(bytes: int, zero: bool) -> rawptr ---;
@(link_name="OSHeapFree") os_heap_free :: proc(address: rawptr) ---;
@(link_name="OSOpenNode") os_open_node :: proc(path: cstring, path_length: int, flags: u64, information: ^OS_Node_Information) -> Errno ---;
@(link_name="OSResizeFile") os_resize_file :: proc(handle: Handle, new_size: u64) -> Errno ---;
@(link_name="OSCloseHandle") os_close_handle :: proc(handle: Handle) ---;
@(link_name="OSWriteFileSync") os_write_file_sync :: proc(handle: Handle, offset: i64, size: i64, buffer: rawptr) -> i64 ---;
@(link_name="OSReadFileSync") os_read_file_sync :: proc(handle: Handle, offset: i64, size: i64, buffer: rawptr) -> i64 ---;
@(link_name="OSInitialiseAPI") os_initialise_api :: proc() -> int ---;
@(link_name="OSTerminateProcess") os_terminate_process :: proc(handle: Handle) ---;
@(link_name="realloc") os_heap_reallocate :: proc(address: rawptr, size: int) -> rawptr ---;
@(link_name="OSPrintDirect") OSPrintDirect :: proc(str: ^u8, length: int) ---;
@(link_name="malloc") OSMalloc :: proc(bytes: int) -> rawptr ---;
@(link_name="free") OSFree :: proc(address: rawptr) ---;
@(link_name="OSOpenNode") OSOpenNode :: proc(path: ^u8, path_length: int, flags: u64, information: ^OS_Node_Information) -> Errno ---;
@(link_name="OSResizeFile") OSResizeFile :: proc(handle: Handle, new_size: u64) -> Errno ---;
@(link_name="OSCloseHandle") OSCloseHandle :: proc(handle: Handle) ---;
@(link_name="OSWriteFileSync") OSWriteFileSync :: proc(handle: Handle, offset: i64, size: i64, buffer: rawptr) -> i64 ---;
@(link_name="OSReadFileSync") OSReadFileSync :: proc(handle: Handle, offset: i64, size: i64, buffer: rawptr) -> i64 ---;
@(link_name="realloc") OSRealloc :: proc(address: rawptr, size: int) -> rawptr ---;
@(link_name="OSGetThreadID") OSGetThreadID :: proc(handle: Handle) -> int ---;
@(link_name="OSRefreshNodeInformation") OSRefreshNodeInformation :: proc(information: ^OS_Node_Information) ---;
}
stdin := Handle(-1); // Not implemented
@@ -41,56 +68,91 @@ stdout := Handle(0);
stderr := Handle(0);
current_thread_id :: proc() -> int {
// Not implemented
return -1;
return OSGetThreadID(Handle(0x1000));
}
heap_alloc :: proc(size: int) -> rawptr {
return os_heap_allocate(size, true);
return OSMalloc(size);
}
heap_free :: proc(address: rawptr) {
os_heap_free(address);
OSFree(address);
}
heap_resize :: proc(address: rawptr, new_size: int) -> rawptr {
return os_heap_reallocate(address, new_size);
return OSRealloc(address, new_size);
}
open :: proc(path: string, mode: int = O_RDONLY, perm: u32 = 0) -> (Handle, Errno) {
information := new(OS_Node_Information);
error := os_open_node(&path[0], len(path), u64(mode), information);
if error < -1 do return 0, 1;
information.position = 0;
if mode&O_TRUNC==O_TRUNC {
error := os_resize_file(information.handle, 0);
if error < -1 do return 0, 1;
flags : u64 = 0;
if mode & O_CREATE == O_CREATE {
flags = flags | 0x9000; // Fail if found and create directories leading to the file if they don't exist
} else {
flags = flags | 0x2000; // Fail if not found
}
return Handle(uintptr(information)), 0;
if mode & O_EXCL == O_EXCL {
flags = flags | 0x111; // Block opening the node for any reason
}
if mode & O_RDONLY == O_RDONLY {
flags = flags | 0x2; // Read access
}
if mode & O_WRONLY == O_WRONLY {
flags = flags | 0x220; // Write and resize access
}
if mode & O_TRUNC == O_TRUNC {
flags = flags | 0x200; // Resize access
}
information := new(OS_Node_Information);
error := OSOpenNode(&path[0], len(path), flags, information);
if error < ERROR_NONE {
free(information);
return 0, error;
}
if mode & O_TRUNC == O_TRUNC {
error := OSResizeFile(information.handle, 0);
if error < ERROR_NONE do return 0, ERROR_UNKNOWN_OPERATION_FAILURE;
}
if mode & O_APPEND == O_APPEND {
information.position = information.size;
} else {
information.position = 0;
}
return Handle(uintptr(information)), ERROR_NONE;
}
close :: proc(fd: Handle) {
information := (^OS_Node_Information)(uintptr(fd));
os_close_handle(information.handle);
OSCloseHandle(information.handle);
free(information);
}
file_size :: proc(fd: Handle) -> (i64, Errno) {
// Not (properly) implemented
information := cast(^OS_Node_Information)uintptr(fd);
return information.size,0;
x : OS_Node_Information;
OSRefreshNodeInformation(&x);
return x.size, ERROR_NONE;
}
write :: proc(fd: Handle, data: []byte) -> (int, Errno) {
if fd == 0 {
os_print_direct(&data[0], len(data));
return len(data), 0;
OSPrintDirect(&data[0], len(data));
return len(data), ERROR_NONE;
} else if fd == 1 {
assert(false);
return 0, 1;
return 0, ERROR_NOT_IMPLEMENTED;
}
information := (^OS_Node_Information)(uintptr(fd));
count := os_write_file_sync(information.handle, information.position, i64(len(data)), &data[0]);
count := OSWriteFileSync(information.handle, information.position, i64(len(data)), &data[0]);
if count < 0 do return 0, 1;
information.position += count;
return int(count), 0;
@@ -99,15 +161,12 @@ write :: proc(fd: Handle, data: []byte) -> (int, Errno) {
read :: proc(fd: Handle, data: []byte) -> (int, Errno) {
if (fd == 0 || fd == 1) {
assert(false);
return 0, 1;
return 0, ERROR_NOT_IMPLEMENTED;
}
information := (^OS_Node_Information)(uintptr(fd));
count := os_read_file_sync(information.handle, information.position, i64(len(data)), &data[0]);
if count < 0 do return 0, 1;
information.position += count;
return int(count), 0;
}
os_terminate_this_process :: proc() {
os_terminate_process(0x1001);
information := (^OS_Node_Information)(uintptr(fd));
count := OSReadFileSync(information.handle, information.position, i64(len(data)), &data[0]);
if count < 0 do return 0, ERROR_UNKNOWN_OPERATION_FAILURE;
information.position += count;
return int(count), ERROR_NONE;
}

View File

@@ -1013,7 +1013,7 @@ int main(int arg_count, char **arg_ptr) {
#endif
, linker, LIT(output_base), LIT(output_base), output_ext,
lib_str,
str_eq_ignore_case(cross_compile_target, str_lit("Essence")) ? "" : "-lc -lm",
str_eq_ignore_case(cross_compile_target, str_lit("Essence")) ? "-lfreetype -lglue" : "-lc -lm",
LIT(build_context.link_flags),
link_settings,
LIT(cross_compile_lib_dir)