v.util: add Timers.show_remaining/0, use it in v.builder.compile/2

vlib/v/builder/compile.v

@@ -43,6 +43,7 @@ pub fn compile(command string, pref &pref.Preferences) {
 		.js { b.compile_js() }
 		.native { b.compile_native() }
 	}
+	util.get_timers().show_remaining()
 	if pref.is_stats {
 		compilation_time_micros := 1 + sw.elapsed().microseconds()
 		scompilation_time_ms := util.bold('${f64(compilation_time_micros) / 1000.0:6.3f}')

vlib/v/scanner/scanner.v

@@ -142,9 +142,7 @@ pub fn new_scanner(text string, comments_mode CommentsMode, pref &pref.Preferenc
 }
 
 fn (mut s Scanner) init_scanner() {
-	util.get_timers().measure_pause('PARSE')
 	s.scan_all_tokens_in_buffer(s.comments_mode)
-	util.get_timers().measure_resume('PARSE')
 }
 
 [unsafe]
@@ -539,11 +537,11 @@ fn (mut s Scanner) end_of_file() token.Token {
 }
 
 pub fn (mut s Scanner) scan_all_tokens_in_buffer(mode CommentsMode) {
-	// s.scan_all_tokens_in_buffer is used mainly by vdoc,
-	// in order to implement the .toplevel_comments mode.
+	util.get_timers().measure_pause('PARSE')
 	util.timing_start('SCAN')
 	defer {
 		util.timing_measure_cumulative('SCAN')
+		util.get_timers().measure_resume('PARSE')
 	}
 	oldmode := s.comments_mode
 	s.comments_mode = mode

vlib/v/util/timers.v

@@ -10,6 +10,8 @@ pub struct Timers {
 pub mut:
 	swatches     map[string]time.StopWatch
 	should_print bool
+	// already_shown records for which of the swatches .show() or .show_if_exists() had been called already
+	already_shown []string
 }
 
 pub fn new_timers(should_print bool) &Timers {
@@ -100,6 +102,7 @@ pub fn (mut t Timers) show(label string) {
 	if t.should_print {
 		println(formatted_message)
 	}
+	t.already_shown << label
 }
 
 pub fn (mut t Timers) show_if_exists(label string) {
@@ -107,6 +110,16 @@ pub fn (mut t Timers) show_if_exists(label string) {
 		return
 	}
 	t.show(label)
+	t.already_shown << label
+}
+
+pub fn (mut t Timers) show_remaining() {
+	for k, _ in t.swatches {
+		if k in t.already_shown {
+			continue
+		}
+		t.show(k)
+	}
 }
 
 pub fn (mut t Timers) dump_all() {