move all vlib modules to vlib/

compiler/main.v

@@ -632,7 +632,7 @@ fn (c mut V) add_user_v_files() {
 		for i := 0; i < c.table.imports.len; i++ {
 			pkg := c.table.imports[i]
 			// mut import_path := '$c.lang_dir/$pkg'
-			vfiles := c.v_files_from_dir('$c.lang_dir/$pkg')
+			vfiles := c.v_files_from_dir('$c.lang_dir/vlib/$pkg')
 			// Add all imports referenced by these libs
 			for file in vfiles {
 				mut p := c.new_parser(file, RUN_IMPORTS)
@@ -646,7 +646,7 @@ fn (c mut V) add_user_v_files() {
 	}
 	// Only now add all combined lib files
 	for pkg in c.table.imports {
-		mut module_path := '$c.lang_dir/$pkg'
+		mut module_path := '$c.lang_dir/vlib/$pkg'
 		// If we are in default mode, we don't parse vlib .v files, but header .vh files in
 		// TmpPath/vlib
 		// These were generated by vfmt
@@ -776,7 +776,7 @@ fn new_v(args[]string) *V {
 			break
 		}
 		vroot=vroot.trim_space() 
-		if os.dir_exists(vroot) && os.dir_exists(vroot + '/builtin') {
+		if os.dir_exists(vroot) && os.dir_exists(vroot + '/vlib/builtin') {
 			lang_dir = vroot
 		}
 	}
@@ -790,11 +790,12 @@ fn new_v(args[]string) *V {
 		// from "v/compiler"
 		cur_dir := os.getwd()
 		lang_dir = cur_dir.all_before_last('/')
-		if os.dir_exists('$lang_dir/builtin') {
+		if os.dir_exists('$lang_dir/vlib/builtin') {
 			println('Setting VROOT to "$lang_dir".')
 			os.write_file(TmpPath + '/VROOT', lang_dir)
 		} else {
 			println('V repo not found. Cloning...') 
+exit(1) 
 			os.mv('v', 'v.bin') 
 			os.exec('git clone https://github.com/vlang/v') 
 			if !os.dir_exists('v') {
@@ -811,7 +812,7 @@ fn new_v(args[]string) *V {
 	// Add builtin files
 	if !out_name.contains('builtin.o') {
 		for builtin in builtins {
-			mut f := '$lang_dir/builtin/$builtin'
+			mut f := '$lang_dir/vlib/builtin/$builtin'
 			// In default mode we use precompiled vlib.o, point to .vh files with signatures
 			if build_mode == DEFAULT_MODE || build_mode == BUILD {
 				f = '$TmpPath/vlib/builtin/${builtin}h'