Begin work in semi-standardized js_wasm32 target

core/runtime/core.odin

@@ -528,5 +528,5 @@ default_assertion_failure_proc :: proc(prefix, message: string, loc: Source_Code
 		}
 		print_byte('\n')
 	}
-	intrinsics.trap()
+	trap()
 }

core/runtime/default_allocators_general.odin

@@ -1,6 +1,7 @@
 //+build !windows
 //+build !freestanding
 //+build !wasi
+//+build !js
 package runtime
 
 when ODIN_DEFAULT_TO_NIL_ALLOCATOR {

core/runtime/default_allocators_js.odin

@@ -0,0 +1,5 @@
+//+build js
+package runtime
+
+default_allocator_proc :: nil_allocator_proc
+default_allocator :: nil_allocator

core/runtime/default_temporary_allocator.odin

@@ -3,7 +3,7 @@ package runtime
 DEFAULT_TEMP_ALLOCATOR_BACKING_SIZE: int : #config(DEFAULT_TEMP_ALLOCATOR_BACKING_SIZE, 1<<22)
 
 
-when ODIN_OS == "freestanding" || ODIN_DEFAULT_TO_NIL_ALLOCATOR {
+when ODIN_OS == "freestanding" || ODIN_OS == "js" || ODIN_DEFAULT_TO_NIL_ALLOCATOR {
 	Default_Temp_Allocator :: struct {}
 	
 	default_temp_allocator_init :: proc(s: ^Default_Temp_Allocator, size: int, backup_allocator := context.allocator) {}

core/runtime/internal.odin

@@ -9,7 +9,7 @@ RUNTIME_LINKAGE :: "strong" when (
 	!ODIN_NO_CRT) &&
 	!(ODIN_ARCH == "wasm32" || 
 	  ODIN_ARCH == "wasm64")) else "internal"
-RUNTIME_REQUIRE :: !(ODIN_ARCH == "wasm32" || ODIN_ARCH == "wasm64")
+RUNTIME_REQUIRE :: true
 
 
 @(private)

core/runtime/os_specific_any.odin

@@ -1,4 +1,4 @@
-//+build !freestanding !wasi !windows
+//+build !freestanding !wasi !windows !js
 package runtime
 
 import "core:os"

core/runtime/os_specific_js.odin

@@ -0,0 +1,12 @@
+//+build js
+package runtime
+
+foreign import "odin_env"
+
+_os_write :: proc "contextless" (data: []byte) -> (int, _OS_Errno) {
+	foreign odin_env {
+		write :: proc "c" (fd: u32, p: []byte) ---
+	}
+	write(1, data)
+	return len(data), 0
+}

core/runtime/procs_js_wasm32.odin

@@ -0,0 +1,15 @@
+//+build js wasm32
+package runtime
+
+init_default_context_for_js: Context
+@(init, private="file")
+init_default_context :: proc() {
+	init_default_context_for_js = context
+}
+
+@(export)
+@(link_name="default_context_ptr")
+default_context_ptr :: proc "contextless" () -> ^Context {
+	return &init_default_context_for_js
+}
+

core/runtime/procs_wasm32.odin

@@ -2,7 +2,9 @@
 package runtime
 
 @(link_name="__ashlti3", linkage="strong")
-__ashlti3 :: proc "c" (a: i64, b: u32) -> i64 {
+__ashlti3 :: proc "c" (a: i64, b_: i32) -> i64 {
+	/*
+	b := u32(b_)
 	input := transmute([2]i32)a
 	result: [2]i32
 	if b & 32 != 0 {
@@ -16,4 +18,6 @@ __ashlti3 :: proc "c" (a: i64, b: u32) -> i64 {
 		result[1] = (input[1]<<b) | (input[0]>>(32-b))
 	}
 	return transmute(i64)result
+	*/
+	return 0
 }