all: remove the old -b native backend, replaced by v -v2 -b arm64/x64

Author: medvednikov

cmd/tools/builders/native_builder.v

@@ -15,7 +15,6 @@ enum Category {
 	web
 	orm
 	db
-	native
 	cgen
 	js_backend
 	comptime
@@ -47,8 +46,6 @@ const category_titles = '#### Improvements in the language
 
 #### Database drivers
 
-#### Native backend
-
 #### C backend
 
 #### JavaScript backend
@@ -195,8 +192,6 @@ fn (mut app App) process_line(text string) ! {
 		category = .compiler_internals
 	} else if is_improvements(text) {
 		category = .improvements
-	} else if is_native(text) {
-		category = .native
 	} else if is_vfmt(text) {
 		category = .vfmt
 	} else if text.contains('docs:') || text.contains('doc:') {
@@ -297,7 +292,6 @@ const category_map = {
 	.web:                '#### Web'
 	.orm:                '#### ORM'
 	.db:                 '#### Database drivers'
-	.native:             '#### Native backend'
 	.cgen:               '#### C backend'
 	.js_backend:         '#### JavaScript backend'
 	.comptime:           '#### Comptime'
@@ -326,7 +320,7 @@ fn (l Line) write_at_category(txt string) ?string {
 	// Trim "prefix:" for some categories
 	// mut capitalized := false
 	mut has_prefix := true
-	if l.category in [.cgen, .checker, .improvements, .native, .orm, .interpreter] {
+	if l.category in [.cgen, .checker, .improvements, .orm, .interpreter] {
 		has_prefix = false
 		if semicolon_pos := line_text.index(': ') {
 			prefix := line_text[..semicolon_pos]
@@ -545,14 +539,6 @@ fn is_web(text string) bool {
 	return is_xxx(text, web_strings)
 }
 
-const native_strings = [
-	'native:',
-]
-
-fn is_native(text string) bool {
-	return is_xxx(text, native_strings)
-}
-
 const vfmt_strings = [
 	'vfmt:',
 	'fmt:',

cmd/tools/changelog_helper.v

@@ -20,8 +20,6 @@ const vargs = args_string.all_before('test-all')
 
 const vtest_nocleanup = os.getenv('VTEST_NOCLEANUP').bool()
 
-const hw_native_no_builtin_size_limit = 300
-
 const l2w_crosscc = os.find_abs_path_of_executable('x86_64-w64-mingw32-gcc-win32') or { '' }
 
 const clang_path = os.find_abs_path_of_executable('clang') or { '' }
@@ -189,48 +187,6 @@ fn get_all_commands() []Command {
 			line:  '${vexe} run examples/v_script.vsh > /dev/null'
 			okmsg: 'V can run the .VSH script file examples/v_script.vsh'
 		}
-		// Note: -experimental is used here, just to suppress the warnings,
-		// that are otherwise printed by the native backend,
-		// until globals and hash statements *are implemented*:
-		$if linux {
-			res << Command{
-				line:  '${vexe} -experimental -b native run examples/native/hello_world.v > /dev/null'
-				okmsg: 'V compiles and runs examples/native/hello_world.v on the native backend for linux'
-			}
-			res << Command{
-				line:     '${vexe} -no-builtin -experimental -b native examples/hello_world.v > /dev/null'
-				okmsg:    'V compiles examples/hello_world.v on the native backend for linux with `-no-builtin` & the executable is <= ${hw_native_no_builtin_size_limit} bytes'
-				rmfile:   'examples/hello_world'
-				after_cb: fn () ! {
-					file := 'examples/hello_world'
-					if !os.exists(file) {
-						return error('>> file ${file} does not exist')
-					}
-					if os.file_size(file) > hw_native_no_builtin_size_limit {
-						return error('>> file ${file} bigger than ${hw_native_no_builtin_size_limit} bytes')
-					}
-				}
-			}
-		}
-		// only compilation:
-		res << Command{
-			line:   '${vexe} -os linux -experimental -b native -o hw.linux examples/hello_world.v'
-			okmsg:  'V compiles hello_world.v on the native backend for linux'
-			rmfile: ['hw.linux', 'hw.linux.o']
-		}
-		res << Command{
-			line:   '${vexe} -os macos -experimental -b native -o hw.macos examples/hello_world.v'
-			okmsg:  'V compiles hello_world.v on the native backend for macos'
-			rmfile: ['hw.macos', 'hw.macos.o']
-		}
-		$if windows {
-			res << Command{
-				line:   '${vexe} -os windows -experimental -b native -o hw.exe examples/hello_world.v'
-				okmsg:  'V compiles hello_world.v on the native backend for windows'
-				rmfile: ['hw.exe', 'hw.o']
-			}
-		}
-		//
 		res << Command{
 			line:   '${vexe} -b js -o hw.js examples/hello_world.v'
 			okmsg:  'V compiles hello_world.v on the JS backend'

cmd/tools/vtest-all.v

@@ -290,9 +290,6 @@ fn rebuild(prefs &pref.Preferences) {
 		.js_node, .js_freestanding, .js_browser {
 			util.launch_tool(prefs.is_verbose, 'builders/js_builder', os.args[1..])
 		}
-		.native {
-			util.launch_tool(prefs.is_verbose, 'builders/native_builder', os.args[1..])
-		}
 		.interpret {
 			util.launch_tool(prefs.is_verbose, 'builders/interpret_builder', os.args[1..])
 		}

cmd/v/v.v

@@ -91,9 +91,7 @@ pub fn malloc_noscan(n isize) &u8 {
 		_memory_panic(@FN, n)
 	}
 	mut res := &u8(unsafe { nil })
-	$if native {
-		res = unsafe { C.malloc(n) }
-	} $else $if prealloc {
+	$if prealloc {
 		return unsafe { prealloc_malloc(n) }
 	} $else $if vgc ? {
 		unsafe {
@@ -325,8 +323,6 @@ pub fn vcalloc(n isize) &u8 {
 	}
 	$if prealloc {
 		return unsafe { prealloc_calloc(n) }
-	} $else $if native {
-		return unsafe { C.calloc(1, n) }
 	} $else $if vgc ? {
 		return unsafe { &u8(vgc_calloc(usize(n))) }
 	} $else $if gcboehm ? {

examples/native/hello_world.v

@@ -10,8 +10,6 @@ pub fn print_backtrace() {
 	$if !no_backtrace ? {
 		$if freestanding {
 			println(bare_backtrace())
-		} $else $if native {
-			// TODO: native backtrace solution
 		} $else $if tinyc {
 			C.tcc_backtrace(c'Backtrace')
 		} $else $if use_libbacktrace ? {

vlib/builtin/allocation.c.v

@@ -165,10 +165,7 @@ fn print_backtrace_skipping_top_frames_linux(skipframes int) bool {
 		eprintln('On Android no backtrace is available.')
 		return false
 	}
-	$if native {
-		eprintln('native backend does not support backtraces yet.')
-		return false
-	} $else $if no_backtrace ? {
+	$if no_backtrace ? {
 		return false
 	} $else {
 		$if linux && !freestanding {

vlib/builtin/backtraces.c.v

@@ -160,7 +160,7 @@ fn print_backtrace_skipping_top_frames_mingw(skipframes int) bool {
 fn C.tcc_backtrace(fmt &char) i32
 
 fn print_backtrace_skipping_top_frames_tcc(skipframes int) bool {
-	$if tinyc && !native {
+	$if tinyc {
 		$if no_backtrace ? {
 			eprintln('backtraces are disabled')
 			return false

vlib/builtin/backtraces_nix.c.v

@@ -6,9 +6,7 @@ $if !nofloat ? {
 	import strconv
 }
 
-$if !native {
-	#include <float.h>
-}
+#include <float.h>
 
 // str returns a string representation of the given `f64` in a suitable notation.
 @[inline]
@@ -198,18 +196,10 @@ pub fn f64_max(a f64, b f64) f64 {
 pub fn (a f32) eq_epsilon(b f32) bool {
 	hi := f32_max(f32_abs(a), f32_abs(b))
 	delta := f32_abs(a - b)
-	$if native {
-		if hi > f32(1.0) {
-			return delta <= hi * (4 * 1.19209290e-7)
-		} else {
-			return (1 / (4 * 1.19209290e-7)) * delta <= hi
-		}
-	} $else {
-		if hi > f32(1.0) {
-			return delta <= hi * (4 * f32(C.FLT_EPSILON))
-		} else {
-			return (1 / (4 * f32(C.FLT_EPSILON))) * delta <= hi
-		}
+	if hi > f32(1.0) {
+		return delta <= hi * (4 * f32(C.FLT_EPSILON))
+	} else {
+		return (1 / (4 * f32(C.FLT_EPSILON))) * delta <= hi
 	}
 }
 
@@ -220,17 +210,9 @@ pub fn (a f32) eq_epsilon(b f32) bool {
 pub fn (a f64) eq_epsilon(b f64) bool {
 	hi := f64_max(f64_abs(a), f64_abs(b))
 	delta := f64_abs(a - b)
-	$if native {
-		if hi > 1.0 {
-			return delta <= hi * (4 * 2.2204460492503131e-16)
-		} else {
-			return (1 / (4 * 2.2204460492503131e-16)) * delta <= hi
-		}
-	} $else {
-		if hi > 1.0 {
-			return delta <= hi * (4 * f64(C.DBL_EPSILON))
-		} else {
-			return (1 / (4 * f64(C.DBL_EPSILON))) * delta <= hi
-		}
+	if hi > 1.0 {
+		return delta <= hi * (4 * f64(C.DBL_EPSILON))
+	} else {
+		return (1 / (4 * f64(C.DBL_EPSILON))) * delta <= hi
 	}
 }