StringsBuilder => strings.Builder; strings.repeat()

compiler/fn.v

@@ -4,6 +4,8 @@
 
 module main
 
+import strings 
+
 const (
 	MaxLocalVars = 50
 )
@@ -809,7 +811,7 @@ fn contains_capital(s string) bool {
 
 // "fn (int, string) int"
 fn (f Fn) typ_str() string {
-	mut sb := new_string_builder(50)
+	mut sb := strings.new_builder(50)
 	sb.write('fn (')
 	for i, arg in f.args {
 		sb.write(arg.typ)

compiler/main.v

@@ -91,6 +91,7 @@ mut:
 	show_c_cmd     bool // `v -show_c_cmd` prints the C command to build program.v.c
 	sanitize       bool // use Clang's new "-fsanitize" option
 	is_debug       bool // keep compiled C files
+	no_auto_free   bool // `v -nofree` disable automatic `free()` insertion for better performance in some applications  (e.g. compilers) 
 }
 
 
@@ -290,7 +291,7 @@ void init_consts();')
 	}
 	v.log('Done parsing.')
 	// Write everything
-	mut d := new_string_builder(10000)// Just to avoid some unnecessary allocations
+	mut d := strings.new_builder(10000)// Just to avoid some unnecessary allocations
 	d.writeln(cgen.includes.join_lines())
 	d.writeln(cgen.typedefs.join_lines())
 	d.writeln(cgen.types.join_lines())
@@ -872,7 +873,6 @@ fn new_v(args[]string) *V {
 	'utf8.v',
 	'map.v',
 	'option.v',
-	'string_builder.v',
 	]
 	// Location of all vlib files
 	mut lang_dir := ''

compiler/parser.v

@@ -839,7 +839,7 @@ fn (p mut Parser) get_type() string {
 		p.error('unknown type `$typ`')
 	}
 	if mul {
-		typ += repeat_char(`*`, nr_muls)
+		typ += strings.repeat(`*`, nr_muls)
 	}
 	// Register an []array type
 	if is_arr2 {
@@ -3175,7 +3175,7 @@ fn (p &Parser) building_v() bool {
 // fmt helpers
 fn (scanner mut Scanner) fgen(s string) {
 	if scanner.fmt_line_empty {
-		s = repeat_char(`\t`, scanner.fmt_indent) + s
+		s = strings.repeat(`\t`, scanner.fmt_indent) + s
 	}
 	scanner.fmt_out.write(s)
 	scanner.fmt_line_empty = false
@@ -3183,7 +3183,7 @@ fn (scanner mut Scanner) fgen(s string) {
 
 fn (scanner mut Scanner) fgenln(s string) {
 	if scanner.fmt_line_empty {
-		s = repeat_char(`\t`, scanner.fmt_indent) + s
+		s = strings.repeat(`\t`, scanner.fmt_indent) + s
 	}
 	scanner.fmt_out.writeln(s)
 	scanner.fmt_line_empty = true

compiler/scanner.v

@@ -18,7 +18,7 @@ mut:
 	started        bool
 	is_fmt         bool
 	// vfmt fields
-	fmt_out        StringBuilder
+	fmt_out        strings.Builder
 	fmt_indent     int
 	fmt_line_empty bool
 }
@@ -40,7 +40,7 @@ fn new_scanner(file_path string) *Scanner {
 	scanner := &Scanner {
 		file_path: file_path
 		text: text
-		fmt_out: new_string_builder(1000)
+		fmt_out: strings.new_builder(1000)
 	}
 	// println('new scanner "$file_path" txt.len=$scanner.text.len')
 	return scanner