all: split all backends into cmd/tools/builders (#12811)

cmd/tools/builders/c_builder.v

@@ -0,0 +1,11 @@
+module main
+
+import v.builder.cbuilder
+
+// TODO: change bootstrapping to use the C code generated from
+// `VEXE=v cmd/tools/builders/c_builder -os cross -o c.c cmd/tools/builders/c_builder.v`
+// See also `cmd/v/v.v`
+
+fn main() {
+	cbuilder.start()
+}

cmd/tools/builders/interpret_builder.v

@@ -0,0 +1,7 @@
+module main
+
+import v.builder.interpreterbuilder
+
+fn main() {
+	interpreterbuilder.start()
+}

cmd/tools/builders/js_builder.v

@@ -0,0 +1,7 @@
+module main
+
+import v.builder.jsbuilder
+
+fn main() {
+	jsbuilder.start()
+}

cmd/tools/builders/native_builder.v

@@ -0,0 +1,7 @@
+module main
+
+import v.builder.nativebuilder
+
+fn main() {
+	nativebuilder.start()
+}

cmd/tools/check_os_api_parity.v

@@ -5,6 +5,7 @@ import v.util
 import v.util.diff
 import v.pref
 import v.builder
+import v.builder.cbuilder
 import v.ast
 import rand
 import term
@@ -98,7 +99,7 @@ fn (app App) gen_api_for_module_in_os(mod_name string, os_name string) string {
 	tmpname := '/tmp/${mod_name}_${os_name}.c'
 	prefs, _ := pref.parse_args([], ['-os', os_name, '-o', tmpname, '-shared', mpath])
 	mut b := builder.new_builder(prefs)
-	builder.compile_c(mut b)
+	cbuilder.compile_c(mut b)
 	mut res := []string{}
 	for f in b.parsed_files {
 		for s in f.stmts {

cmd/tools/vbuild-tools.v

@@ -56,6 +56,10 @@ fn main() {
 		}
 		//
 		tpath := os.join_path(session.vtmp_dir, texe)
+		if texe.ends_with('_builder') || texe.ends_with('_builder.exe') {
+			os.mv_by_cp(tpath, os.join_path(tfolder, 'builders', texe)) or { panic(err) }
+			continue
+		}
 		if tname in tools_in_subfolders {
 			os.mv_by_cp(tpath, os.join_path(tfolder, tname, texe)) or { panic(err) }
 			continue

cmd/tools/vinterpret.v

@@ -1,24 +0,0 @@
-module main
-
-import v.pref
-import v.eval
-import v.util
-import v.builder
-
-fn main() {
-	mut args_and_flags := util.join_env_vflags_and_os_args()[1..].filter(it != 'interpret')
-	prefs, _ := pref.parse_args([], args_and_flags)
-	builder.compile('interpret', prefs, v_interpret)
-}
-
-fn v_interpret(mut b builder.Builder) {
-	mut files := b.get_builtin_files()
-	files << b.get_user_files()
-	b.set_module_lookup_paths()
-	b.front_and_middle_stages(files) or { return }
-
-	util.timing_start('INTERPRET')
-	mut e := eval.new_eval(b.table, b.pref)
-	e.eval(b.parsed_files)
-	util.timing_measure('INTERPRET')
-}