wasi: make the demo run on wasi and run it in CI

core/encoding/cbor/tags.odin

@@ -95,7 +95,6 @@ tag_register_number :: proc(impl: Tag_Implementation, nr: Tag_Number, id: string
 }
 
 // Controls initialization of default tag implementations.
-// JS and WASI default to a panic allocator so we don't want to do it on those.
 INITIALIZE_DEFAULT_TAGS :: #config(CBOR_INITIALIZE_DEFAULT_TAGS, !ODIN_DEFAULT_TO_PANIC_ALLOCATOR && !ODIN_DEFAULT_TO_NIL_ALLOCATOR)
 
 @(private, init, disabled=!INITIALIZE_DEFAULT_TAGS)

core/os/os_wasi.odin

@@ -6,6 +6,8 @@ import "base:runtime"
 Handle :: distinct i32
 Errno :: distinct i32
 
+INVALID_HANDLE :: -1
+
 ERROR_NONE :: Errno(wasi.errno_t.SUCCESS)
 
 O_RDONLY   :: 0x00000
@@ -26,6 +28,16 @@ stdout: Handle = 1
 stderr: Handle = 2
 current_dir: Handle = 3
 
+args := _alloc_command_line_arguments()
+
+_alloc_command_line_arguments :: proc() -> (args: []string) {
+	args = make([]string, len(runtime.args__))
+	for &arg, i in args {
+		arg = string(runtime.args__[i])
+	}
+	return
+}
+
 write :: proc(fd: Handle, data: []byte) -> (int, Errno) {
 	iovs := wasi.ciovec_t(data)
 	n, err := wasi.fd_write(wasi.fd_t(fd), {iovs})

core/thread/thread.odin

@@ -6,6 +6,8 @@ import "base:intrinsics"
 
 _ :: intrinsics
 
+IS_SUPPORTED :: _IS_SUPPORTED
+
 Thread_Proc :: #type proc(^Thread)
 
 MAX_USER_ARGUMENTS :: 8
@@ -58,7 +60,9 @@ Thread :: struct {
 	creation_allocator: mem.Allocator,
 }
 
-#assert(size_of(Thread{}.user_index) == size_of(uintptr))
+when IS_SUPPORTED {
+	#assert(size_of(Thread{}.user_index) == size_of(uintptr))
+}
 
 Thread_Priority :: enum {
 	Normal,

core/thread/thread_js.odin

@@ -1,47 +0,0 @@
-//+build js
-package thread
-
-import "base:intrinsics"
-import "core:sync"
-import "core:mem"
-
-Thread_Os_Specific :: struct {}
-
-_thread_priority_map := [Thread_Priority]i32{
-	.Normal = 0,
-	.Low = -2,
-	.High = +2,
-}
-
-_create :: proc(procedure: Thread_Proc, priority := Thread_Priority.Normal) -> ^Thread {
-	unimplemented("core:thread procedure not supported on js target")
-}
-
-_start :: proc(t: ^Thread) {
-	unimplemented("core:thread procedure not supported on js target")
-}
-
-_is_done :: proc(t: ^Thread) -> bool {
-	unimplemented("core:thread procedure not supported on js target")
-}
-
-_join :: proc(t: ^Thread) {
-	unimplemented("core:thread procedure not supported on js target")
-}
-
-_join_multiple :: proc(threads: ..^Thread) {
-	unimplemented("core:thread procedure not supported on js target")
-}
-
-_destroy :: proc(thread: ^Thread) {
-	unimplemented("core:thread procedure not supported on js target")
-}
-
-_terminate :: proc(using thread : ^Thread, exit_code: int) {
-	unimplemented("core:thread procedure not supported on js target")
-}
-
-_yield :: proc() {
-	unimplemented("core:thread procedure not supported on js target")
-}
-

core/thread/thread_other.odin

@@ -0,0 +1,47 @@
+//+build js, wasi, orca
+package thread
+
+import "base:intrinsics"
+
+_IS_SUPPORTED :: false
+
+Thread_Os_Specific :: struct {}
+
+_thread_priority_map := [Thread_Priority]i32{
+	.Normal = 0,
+	.Low = -2,
+	.High = +2,
+}
+
+_create :: proc(procedure: Thread_Proc, priority := Thread_Priority.Normal) -> ^Thread {
+	unimplemented("core:thread procedure not supported on target")
+}
+
+_start :: proc(t: ^Thread) {
+	unimplemented("core:thread procedure not supported on target")
+}
+
+_is_done :: proc(t: ^Thread) -> bool {
+	unimplemented("core:thread procedure not supported on target")
+}
+
+_join :: proc(t: ^Thread) {
+	unimplemented("core:thread procedure not supported on target")
+}
+
+_join_multiple :: proc(threads: ..^Thread) {
+	unimplemented("core:thread procedure not supported on target")
+}
+
+_destroy :: proc(thread: ^Thread) {
+	unimplemented("core:thread procedure not supported on target")
+}
+
+_terminate :: proc(using thread : ^Thread, exit_code: int) {
+	unimplemented("core:thread procedure not supported on target")
+}
+
+_yield :: proc() {
+	unimplemented("core:thread procedure not supported on target")
+}
+

core/thread/thread_unix.odin

@@ -6,6 +6,8 @@ import "core:sync"
 import "core:sys/unix"
 import "core:time"
 
+_IS_SUPPORTED :: true
+
 CAS :: sync.atomic_compare_exchange_strong
 
 // NOTE(tetra): Aligned here because of core/unix/pthread_linux.odin/pthread_t.

core/thread/thread_windows.odin

@@ -6,6 +6,8 @@ import "base:intrinsics"
 import "core:sync"
 import win32 "core:sys/windows"
 
+_IS_SUPPORTED :: true
+
 Thread_Os_Specific :: struct {
 	win32_thread:    win32.HANDLE,
 	win32_thread_id: win32.DWORD,