Clean up usage of `using` throughout core and vendor

10 files changed, 140 insertions, 136 deletions

diff --git a/core/compress/zlib/zlib.odin b/core/compress/zlib/zlib.odin
index 21172e8e8..8062c8d3a 100644
--- a/core/compress/zlib/zlib.odin
+++ b/core/compress/zlib/zlib.odin
@@ -1,3 +1,4 @@
+//+vet !using-param
 package zlib
 
 /*
diff --git a/core/encoding/xml/tokenizer.odin b/core/encoding/xml/tokenizer.odin
index d225c5d90..cd055475c 100644
--- a/core/encoding/xml/tokenizer.odin
+++ b/core/encoding/xml/tokenizer.odin
@@ -125,38 +125,38 @@ error :: proc(t: ^Tokenizer, offset: int, msg: string, args: ..any) {
 }
 
 @(optimization_mode="speed")
-advance_rune :: proc(using t: ^Tokenizer) {
+advance_rune :: proc(t: ^Tokenizer) {
 	#no_bounds_check {
 		/*
 			Already bounds-checked here.
 		*/
-		if read_offset < len(src) {
-			offset = read_offset
-			if ch == '\n' {
-				line_offset = offset
-				line_count += 1
+		if t.read_offset < len(t.src) {
+			t.offset = t.read_offset
+			if t.ch == '\n' {
+				t.line_offset = t.offset
+				t.line_count += 1
 			}
-			r, w := rune(src[read_offset]), 1
+			r, w := rune(t.src[t.read_offset]), 1
 			switch {
 			case r == 0:
 				error(t, t.offset, "illegal character NUL")
 			case r >= utf8.RUNE_SELF:
-				r, w = #force_inline utf8.decode_rune_in_string(src[read_offset:])
+				r, w = #force_inline utf8.decode_rune_in_string(t.src[t.read_offset:])
 				if r == utf8.RUNE_ERROR && w == 1 {
 					error(t, t.offset, "illegal UTF-8 encoding")
-				} else if r == utf8.RUNE_BOM && offset > 0 {
+				} else if r == utf8.RUNE_BOM && t.offset > 0 {
 					error(t, t.offset, "illegal byte order mark")
 				}
 			}
-			read_offset += w
-			ch = r
+			t.read_offset += w
+			t.ch = r
 		} else {
-			offset = len(src)
-			if ch == '\n' {
-				line_offset = offset
-				line_count += 1
+			t.offset = len(t.src)
+			if t.ch == '\n' {
+				t.line_offset = t.offset
+				t.line_count += 1
 			}
-			ch = -1
+			t.ch = -1
 		}
 	}
 }
diff --git a/core/fmt/fmt.odin b/core/fmt/fmt.odin
index f1f94b1b3..e64b621bf 100644
--- a/core/fmt/fmt.odin
+++ b/core/fmt/fmt.odin
@@ -835,22 +835,22 @@ int_from_arg :: proc(args: []any, arg_index: int) -> (int, int, bool) {
 // - fi: A pointer to an Info structure
 // - verb: The invalid format verb
 //
-fmt_bad_verb :: proc(using fi: ^Info, verb: rune) {
+fmt_bad_verb :: proc(fi: ^Info, verb: rune) {
 	prev_in_bad := fi.in_bad
 	defer fi.in_bad = prev_in_bad
 	fi.in_bad = true
 
-	io.write_string(writer, "%!", &fi.n)
-	io.write_rune(writer, verb, &fi.n)
-	io.write_byte(writer, '(', &fi.n)
-	if arg.id != nil {
-		reflect.write_typeid(writer, arg.id, &fi.n)
-		io.write_byte(writer, '=', &fi.n)
-		fmt_value(fi, arg, 'v')
+	io.write_string(fi.writer, "%!", &fi.n)
+	io.write_rune(fi.writer, verb, &fi.n)
+	io.write_byte(fi.writer, '(', &fi.n)
+	if fi.arg.id != nil {
+		reflect.write_typeid(fi.writer, fi.arg.id, &fi.n)
+		io.write_byte(fi.writer, '=', &fi.n)
+		fmt_value(fi, fi.arg, 'v')
 	} else {
-		io.write_string(writer, "<nil>", &fi.n)
+		io.write_string(fi.writer, "<nil>", &fi.n)
 	}
-	io.write_byte(writer, ')', &fi.n)
+	io.write_byte(fi.writer, ')', &fi.n)
 }
 // Formats a boolean value according to the specified format verb
 //
@@ -859,7 +859,7 @@ fmt_bad_verb :: proc(using fi: ^Info, verb: rune) {
 // - b: The boolean value to format
 // - verb: The format verb
 //
-fmt_bool :: proc(using fi: ^Info, b: bool, verb: rune) {
+fmt_bool :: proc(fi: ^Info, b: bool, verb: rune) {
 	switch verb {
 	case 't', 'v':
 		fmt_string(fi, b ? "true" : "false", 's')
diff --git a/core/image/netpbm/helpers.odin b/core/image/netpbm/helpers.odin
index 016f9453e..5307d764b 100644
--- a/core/image/netpbm/helpers.odin
+++ b/core/image/netpbm/helpers.odin
@@ -4,13 +4,14 @@ import "core:bytes"
 import "core:image"
 
 destroy :: proc(img: ^image.Image) -> bool {
-	if img == nil do return false
+	if img == nil {
+		return false
+	}
 
 	defer free(img)
 	bytes.buffer_destroy(&img.pixels)
 
-	info, ok := img.metadata.(^image.Netpbm_Info)
-	if !ok do return false
+	info := img.metadata.(^image.Netpbm_Info) or_return
 
 	header_destroy(&info.header)
 	free(info)
@@ -19,9 +20,9 @@ destroy :: proc(img: ^image.Image) -> bool {
 	return true
 }
 
-header_destroy :: proc(using header: ^Header) {
-	if format == .P7 && tupltype != "" {
-		delete(tupltype)
-		tupltype = ""
+header_destroy :: proc(header: ^Header) {
+	if header.format == .P7 && header.tupltype != "" {
+		delete(header.tupltype)
+		header.tupltype = ""
 	}
 }
diff --git a/core/mem/allocators.odin b/core/mem/allocators.odin
index 7767740c9..77cdfb3cf 100644
--- a/core/mem/allocators.odin
+++ b/core/mem/allocators.odin
@@ -111,11 +111,11 @@ begin_arena_temp_memory :: proc(a: ^Arena) -> Arena_Temp_Memory {
 	return tmp
 }
 
-end_arena_temp_memory :: proc(using tmp: Arena_Temp_Memory) {
-	assert(arena.offset >= prev_offset)
-	assert(arena.temp_count > 0)
-	arena.offset = prev_offset
-	arena.temp_count -= 1
+end_arena_temp_memory :: proc(tmp: Arena_Temp_Memory) {
+	assert(tmp.arena.offset >= tmp.prev_offset)
+	assert(tmp.arena.temp_count > 0)
+	tmp.arena.offset = tmp.prev_offset
+	tmp.arena.temp_count -= 1
 }
 
 
@@ -702,11 +702,11 @@ dynamic_pool_init :: proc(pool: ^Dynamic_Pool,
 	pool.         used_blocks.allocator = array_allocator
 }
 
-dynamic_pool_destroy :: proc(using pool: ^Dynamic_Pool) {
+dynamic_pool_destroy :: proc(pool: ^Dynamic_Pool) {
 	dynamic_pool_free_all(pool)
-	delete(unused_blocks)
-	delete(used_blocks)
-	delete(out_band_allocations)
+	delete(pool.unused_blocks)
+	delete(pool.used_blocks)
+	delete(pool.out_band_allocations)
 
 	zero(pool, size_of(pool^))
 }
@@ -719,90 +719,90 @@ dynamic_pool_alloc :: proc(pool: ^Dynamic_Pool, bytes: int) -> (rawptr, Allocato
 }
 
 @(require_results)
-dynamic_pool_alloc_bytes :: proc(using pool: ^Dynamic_Pool, bytes: int) -> ([]byte, Allocator_Error) {
-	cycle_new_block :: proc(using pool: ^Dynamic_Pool) -> (err: Allocator_Error) {
-		if block_allocator.procedure == nil {
+dynamic_pool_alloc_bytes :: proc(p: ^Dynamic_Pool, bytes: int) -> ([]byte, Allocator_Error) {
+	cycle_new_block :: proc(p: ^Dynamic_Pool) -> (err: Allocator_Error) {
+		if p.block_allocator.procedure == nil {
 			panic("You must call pool_init on a Pool before using it")
 		}
 
-		if current_block != nil {
-			append(&used_blocks, current_block)
+		if p.current_block != nil {
+			append(&p.used_blocks, p.current_block)
 		}
 
 		new_block: rawptr
-		if len(unused_blocks) > 0 {
-			new_block = pop(&unused_blocks)
+		if len(p.unused_blocks) > 0 {
+			new_block = pop(&p.unused_blocks)
 		} else {
 			data: []byte
-			data, err = block_allocator.procedure(block_allocator.data, Allocator_Mode.Alloc,
-			                                           block_size, alignment,
-			                                           nil, 0)
+			data, err = p.block_allocator.procedure(p.block_allocator.data, Allocator_Mode.Alloc,
+			                                        p.block_size, p.alignment,
+			                                        nil, 0)
 			new_block = raw_data(data)
 		}
 
-		bytes_left = block_size
-		current_pos = new_block
-		current_block = new_block
+		p.bytes_left    = p.block_size
+		p.current_pos   = new_block
+		p.current_block = new_block
 		return
 	}
 
 	n := bytes
-	extra := alignment - (n % alignment)
+	extra := p.alignment - (n % p.alignment)
 	n += extra
-	if n >= out_band_size {
-		assert(block_allocator.procedure != nil)
-		memory, err := block_allocator.procedure(block_allocator.data, Allocator_Mode.Alloc,
-			                                block_size, alignment,
-			                                nil, 0)
+	if n >= p.out_band_size {
+		assert(p.block_allocator.procedure != nil)
+		memory, err := p.block_allocator.procedure(p.block_allocator.data, Allocator_Mode.Alloc,
+		                                           p.block_size, p.alignment,
+		                                           nil, 0)
 		if memory != nil {
-			append(&out_band_allocations, raw_data(memory))
+			append(&p.out_band_allocations, raw_data(memory))
 		}
 		return memory, err
 	}
 
-	if bytes_left < n {
-		err := cycle_new_block(pool)
+	if p.bytes_left < n {
+		err := cycle_new_block(p)
 		if err != nil {
 			return nil, err
 		}
-		if current_block == nil {
+		if p.current_block == nil {
 			return nil, .Out_Of_Memory
 		}
 	}
 
-	memory := current_pos
-	current_pos = ptr_offset((^byte)(current_pos), n)
-	bytes_left -= n
-	return byte_slice(memory, bytes), nil
+	memory := p.current_pos
+	p.current_pos = ([^]byte)(p.current_pos)[n:]
+	p.bytes_left -= n
+	return ([^]byte)(memory)[:bytes], nil
 }
 
 
-dynamic_pool_reset :: proc(using pool: ^Dynamic_Pool) {
-	if current_block != nil {
-		append(&unused_blocks, current_block)
-		current_block = nil
+dynamic_pool_reset :: proc(p: ^Dynamic_Pool) {
+	if p.current_block != nil {
+		append(&p.unused_blocks, p.current_block)
+		p.current_block = nil
 	}
 
-	for block in used_blocks {
-		append(&unused_blocks, block)
+	for block in p.used_blocks {
+		append(&p.unused_blocks, block)
 	}
-	clear(&used_blocks)
+	clear(&p.used_blocks)
 
-	for a in out_band_allocations {
-		free(a, block_allocator)
+	for a in p.out_band_allocations {
+		free(a, p.block_allocator)
 	}
-	clear(&out_band_allocations)
+	clear(&p.out_band_allocations)
 
-	bytes_left = 0 // Make new allocations call `cycle_new_block` again.
+	p.bytes_left = 0 // Make new allocations call `cycle_new_block` again.
 }
 
-dynamic_pool_free_all :: proc(using pool: ^Dynamic_Pool) {
-	dynamic_pool_reset(pool)
+dynamic_pool_free_all :: proc(p: ^Dynamic_Pool) {
+	dynamic_pool_reset(p)
 
-	for block in unused_blocks {
-		free(block, block_allocator)
+	for block in p.unused_blocks {
+		free(block, p.block_allocator)
 	}
-	clear(&unused_blocks)
+	clear(&p.unused_blocks)
 }
 
 
diff --git a/core/odin/tokenizer/tokenizer.odin b/core/odin/tokenizer/tokenizer.odin
index c06d05e1d..0ec57356e 100644
--- a/core/odin/tokenizer/tokenizer.odin
+++ b/core/odin/tokenizer/tokenizer.odin
@@ -75,34 +75,34 @@ error :: proc(t: ^Tokenizer, offset: int, msg: string, args: ..any) {
 	t.error_count += 1
 }
 
-advance_rune :: proc(using t: ^Tokenizer) {
-	if read_offset < len(src) {
-		offset = read_offset
-		if ch == '\n' {
-			line_offset = offset
-			line_count += 1
+advance_rune :: proc(t: ^Tokenizer) {
+	if t.read_offset < len(t.src) {
+		t.offset = t.read_offset
+		if t.ch == '\n' {
+			t.line_offset = t.offset
+			t.line_count += 1
 		}
-		r, w := rune(src[read_offset]), 1
+		r, w := rune(t.src[t.read_offset]), 1
 		switch {
 		case r == 0:
 			error(t, t.offset, "illegal character NUL")
 		case r >= utf8.RUNE_SELF:
-			r, w = utf8.decode_rune_in_string(src[read_offset:])
+			r, w = utf8.decode_rune_in_string(t.src[t.read_offset:])
 			if r == utf8.RUNE_ERROR && w == 1 {
 				error(t, t.offset, "illegal UTF-8 encoding")
-			} else if r == utf8.RUNE_BOM && offset > 0 {
+			} else if r == utf8.RUNE_BOM && t.offset > 0 {
 				error(t, t.offset, "illegal byte order mark")
 			}
 		}
-		read_offset += w
-		ch = r
+		t.read_offset += w
+		t.ch = r
 	} else {
-		offset = len(src)
-		if ch == '\n' {
-			line_offset = offset
-			line_count += 1
+		t.offset = len(t.src)
+		if t.ch == '\n' {
+			t.line_offset = t.offset
+			t.line_count += 1
 		}
-		ch = -1
+		t.ch = -1
 	}
 }
 
diff --git a/core/runtime/error_checks.odin b/core/runtime/error_checks.odin
index c189642af..9d484979a 100644
--- a/core/runtime/error_checks.odin
+++ b/core/runtime/error_checks.odin
@@ -235,7 +235,7 @@ make_slice_error_loc :: #force_inline proc "contextless" (loc := #caller_locatio
 	handle_error(loc, len)
 }
 
-make_dynamic_array_error_loc :: #force_inline proc "contextless" (using loc := #caller_location, len, cap: int) {
+make_dynamic_array_error_loc :: #force_inline proc "contextless" (loc := #caller_location, len, cap: int) {
 	if 0 <= len && len <= cap {
 		return
 	}
@@ -271,18 +271,18 @@ make_map_expr_error_loc :: #force_inline proc "contextless" (loc := #caller_loca
 
 
 
-bounds_check_error_loc :: #force_inline proc "contextless" (using loc := #caller_location, index, count: int) {
-	bounds_check_error(file_path, line, column, index, count)
+bounds_check_error_loc :: #force_inline proc "contextless" (loc := #caller_location, index, count: int) {
+	bounds_check_error(loc.file_path, loc.line, loc.column, index, count)
 }
 
-slice_expr_error_hi_loc :: #force_inline proc "contextless" (using loc := #caller_location, hi: int, len: int) {
-	slice_expr_error_hi(file_path, line, column, hi, len)
+slice_expr_error_hi_loc :: #force_inline proc "contextless" (loc := #caller_location, hi: int, len: int) {
+	slice_expr_error_hi(loc.file_path, loc.line, loc.column, hi, len)
 }
 
-slice_expr_error_lo_hi_loc :: #force_inline proc "contextless" (using loc := #caller_location, lo, hi: int, len: int) {
-	slice_expr_error_lo_hi(file_path, line, column, lo, hi, len)
+slice_expr_error_lo_hi_loc :: #force_inline proc "contextless" (loc := #caller_location, lo, hi: int, len: int) {
+	slice_expr_error_lo_hi(loc.file_path, loc.line, loc.column, lo, hi, len)
 }
 
-dynamic_array_expr_error_loc :: #force_inline proc "contextless" (using loc := #caller_location, low, high, max: int) {
-	dynamic_array_expr_error(file_path, line, column, low, high, max)
+dynamic_array_expr_error_loc :: #force_inline proc "contextless" (loc := #caller_location, low, high, max: int) {
+	dynamic_array_expr_error(loc.file_path, loc.line, loc.column, low, high, max)
 }
diff --git a/core/runtime/print.odin b/core/runtime/print.odin
index 732ed9c12..20788b66f 100644
--- a/core/runtime/print.odin
+++ b/core/runtime/print.odin
@@ -215,19 +215,19 @@ print_uint    :: proc "contextless" (x: uint)    { print_u64(u64(x)) }
 print_uintptr :: proc "contextless" (x: uintptr) { print_u64(u64(x)) }
 print_int     :: proc "contextless" (x: int)     { print_i64(i64(x)) }
 
-print_caller_location :: proc "contextless" (using loc: Source_Code_Location) {
-	print_string(file_path)
+print_caller_location :: proc "contextless" (loc: Source_Code_Location) {
+	print_string(loc.file_path)
 	when ODIN_ERROR_POS_STYLE == .Default {
 		print_byte('(')
-		print_u64(u64(line))
+		print_u64(u64(loc.line))
 		print_byte(':')
-		print_u64(u64(column))
+		print_u64(u64(loc.column))
 		print_byte(')')
 	} else when ODIN_ERROR_POS_STYLE == .Unix {
 		print_byte(':')
-		print_u64(u64(line))
+		print_u64(u64(loc.line))
 		print_byte(':')
-		print_u64(u64(column))
+		print_u64(u64(loc.column))
 		print_byte(':')
 	} else {
 		#panic("unhandled ODIN_ERROR_POS_STYLE")
diff --git a/core/thread/thread_windows.odin b/core/thread/thread_windows.odin
index 0d004c8c3..2d6cad1ad 100644
--- a/core/thread/thread_windows.odin
+++ b/core/thread/thread_windows.odin
@@ -129,8 +129,8 @@ _destroy :: proc(thread: ^Thread) {
 	free(thread, thread.creation_allocator)
 }
 
-_terminate :: proc(using thread : ^Thread, exit_code: int) {
-	win32.TerminateThread(win32_thread, u32(exit_code))
+_terminate :: proc(thread: ^Thread, exit_code: int) {
+	win32.TerminateThread(thread.win32_thread, u32(exit_code))
 }
 
 _yield :: proc() {
diff --git a/core/time/time.odin b/core/time/time.odin
index 6c424a62e..90d051a31 100644
--- a/core/time/time.odin
+++ b/core/time/time.odin
@@ -59,28 +59,30 @@ sleep :: proc "contextless" (d: Duration) {
 	_sleep(d)
 }
 
-stopwatch_start :: proc "contextless" (using stopwatch: ^Stopwatch) {
-	if !running {
-		_start_time = tick_now()
-		running = true
+stopwatch_start :: proc "contextless" (stopwatch: ^Stopwatch) {
+	if !stopwatch.running {
+		stopwatch._start_time = tick_now()
+		stopwatch.running = true
 	}
 }
 
-stopwatch_stop :: proc "contextless" (using stopwatch: ^Stopwatch) {
-	if running {
-		_accumulation += tick_diff(_start_time, tick_now())
-		running = false
+stopwatch_stop :: proc "contextless" (stopwatch: ^Stopwatch) {
+	if stopwatch.running {
+		stopwatch._accumulation += tick_diff(stopwatch._start_time, tick_now())
+		stopwatch.running = false
 	}
 }
 
-stopwatch_reset :: proc "contextless" (using stopwatch: ^Stopwatch) {
-	_accumulation = {}
-	running = false
+stopwatch_reset :: proc "contextless" (stopwatch: ^Stopwatch) {
+	stopwatch._accumulation = {}
+	stopwatch.running = false
 }
 
-stopwatch_duration :: proc "contextless" (using stopwatch: Stopwatch) -> Duration {
-	if !running { return _accumulation }
-	return _accumulation + tick_diff(_start_time, tick_now())
+stopwatch_duration :: proc "contextless" (stopwatch: Stopwatch) -> Duration {
+	if !stopwatch.running {
+		return stopwatch._accumulation
+	}
+	return stopwatch._accumulation + tick_diff(stopwatch._start_time, tick_now())
 }
 
 diff :: proc "contextless" (start, end: Time) -> Duration {
@@ -171,9 +173,9 @@ day :: proc "contextless" (t: Time) -> (day: int) {
 }
 
 weekday :: proc "contextless" (t: Time) -> (weekday: Weekday) {
-    abs := _time_abs(t)
-    sec := (abs + u64(Weekday.Monday) * SECONDS_PER_DAY) % SECONDS_PER_WEEK
-    return Weekday(int(sec) / SECONDS_PER_DAY)
+	abs := _time_abs(t)
+	sec := (abs + u64(Weekday.Monday) * SECONDS_PER_DAY) % SECONDS_PER_WEEK
+	return Weekday(int(sec) / SECONDS_PER_DAY)
 }
 
 clock :: proc { clock_from_time, clock_from_duration, clock_from_stopwatch }