v.builder: add -stats for top level statements and non-vlib top level statements (#26451)

Author: spytheman

vlib/v/builder/rebuilding.v

@@ -337,11 +337,22 @@ pub fn (mut b Builder) rebuild(backend_cb FnBackend) {
 		compilation_time_micros := 1 + sw.elapsed().microseconds()
 		scompilation_time_ms := util.bold('${f64(compilation_time_micros) / 1000.0:6.3f}')
 		mut all_v_source_lines, mut all_v_source_bytes, mut all_v_source_tokens := 0, 0, 0
+		mut all_v_top_stmts, mut all_non_vlib_top_stmts, mut all_main_top_stmts := 0, 0, 0
 		for pf in b.parsed_files {
 			all_v_source_lines += pf.nr_lines
 			all_v_source_bytes += pf.nr_bytes
 			all_v_source_tokens += pf.nr_tokens
+			all_v_top_stmts += pf.stmts.len
+			if !pf.path.contains('vlib/') {
+				all_non_vlib_top_stmts += pf.stmts.len
+			}
+			if pf.mod.name == 'main' {
+				all_main_top_stmts += pf.stmts.len
+			}
 		}
+		mut sall_top_stmts := all_v_top_stmts.str()
+		mut sall_non_vlib_top_stmts := all_non_vlib_top_stmts.str()
+		mut sall_main_top_stmts := all_main_top_stmts.str()
 		mut sall_v_source_lines := all_v_source_lines.str()
 		mut sall_v_source_bytes := all_v_source_bytes.str()
 		mut sall_v_source_tokens := all_v_source_tokens.str()
@@ -354,7 +365,10 @@ pub fn (mut b Builder) rebuild(backend_cb FnBackend) {
 		sall_v_types = util.bold('${sall_v_types:5s}')
 		sall_v_modules = util.bold('${sall_v_modules:5s}')
 		sall_v_files = util.bold('${sall_v_files:5s}')
-		println('        V  source  code size: ${sall_v_source_lines} lines, ${sall_v_source_tokens} tokens, ${sall_v_source_bytes} bytes, ${sall_v_types} types, ${sall_v_modules} modules, ${sall_v_files} files')
+		sall_top_stmts = util.bold('${sall_top_stmts:5s}')
+		sall_non_vlib_top_stmts = util.bold('${sall_non_vlib_top_stmts:5s}')
+		sall_main_top_stmts = util.bold('${sall_main_top_stmts:5s}')
+		println('        V  source  code size: ${sall_v_source_lines} lines, ${sall_v_source_tokens} tokens, ${sall_v_source_bytes} bytes, ${sall_v_types} types, ${sall_v_modules} modules, ${sall_v_files} files, ${sall_top_stmts} tl_stmts, ${sall_non_vlib_top_stmts} non_vlib_tl_stmts, ${sall_main_top_stmts} main_tl_stmts')
 		//
 		mut slines := b.stats_lines.str()
 		mut sbytes := b.stats_bytes.str()