os: File.write_string()

vlib/os/file.v

@@ -65,6 +65,19 @@ pub fn (mut f File) writeln(s string) ?int {
 	return (written + 1)
 }
 
+pub fn (mut f File) write_string(s string) ?int {
+	if !f.is_opened {
+		return error('file is not opened')
+	}
+	// TODO perf
+	written := C.fwrite(s.str, s.len, 1, f.cfile)
+	if written == 0 && s.len != 0 {
+		return error('0 bytes written')
+	}
+	return written
+}
+
+
 // write_to implements the RandomWriter interface
 pub fn (mut f File) write_to(pos int, buf []byte) ?int {
 	C.fseek(f.cfile, pos, C.SEEK_SET)

vlib/v/gen/cgen.v

@@ -114,7 +114,8 @@ mut:
 	// autofree_pregen_buf   strings.Builder
 	// autofree_tmp_vars     []string // to avoid redefining the same tmp vars in a single function
 	called_fn_name                   string
-	cur_mod                          string
+	cur_mod                          string // TODO remove
+	cur_mod_node                     ast.Module
 	is_js_call                       bool // for handling a special type arg #1 `json.decode(User, ...)`
 	// nr_vars_to_free       int
 	// doing_autofree_tmp    bool
@@ -1090,6 +1091,7 @@ fn (mut g Gen) stmt(node ast.Stmt) {
 			// g.is_builtin_mod = node.name == 'builtin'
 			g.is_builtin_mod = node.name in ['builtin', 'os', 'strconv', 'strings', 'gg']
 			g.cur_mod = node.name
+			g.cur_mod_node = node
 		}
 		ast.Return {
 			g.write_defer_stmts_when_needed()