[vala/wip/housekeeping] writer: Some string optimizations

[Rico Tzschichholz <ricotz src gnome org>]

commit 0740e6923ae32a8b2aef171b6c4f4b7562f91d07
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Tue Nov 1 08:16:50 2016 +0100

    writer: Some string optimizations

 ccode/valaccodewriter.vala |    5 +----
 vala/valacodewriter.vala   |   23 +++++++++--------------
 2 files changed, 10 insertions(+), 18 deletions(-)
---
diff --git a/ccode/valaccodewriter.vala b/ccode/valaccodewriter.vala
index 93f4a42..7dc101e 100644
--- a/ccode/valaccodewriter.vala
+++ b/ccode/valaccodewriter.vala
@@ -160,10 +160,7 @@ public class Vala.CCodeWriter {
                        write_newline ();
                }
                
-               for (int i = 0; i < indent; i++) {
-                       stream.putc ('\t');
-               }
-               
+               stream.puts (string.nfill (indent, '\t'));
                _bol = false;
        }
        
diff --git a/vala/valacodewriter.vala b/vala/valacodewriter.vala
index 1d83a20..8414d2d 100644
--- a/vala/valacodewriter.vala
+++ b/vala/valacodewriter.vala
@@ -1493,16 +1493,11 @@ public class Vala.CodeWriter : CodeVisitor {
        }
 
        private void write_indent () {
-               int i;
-               
                if (!bol) {
                        stream.putc ('\n');
                }
-               
-               for (i = 0; i < indent; i++) {
-                       stream.putc ('\t');
-               }
-               
+
+               stream.puts (string.nfill (indent, '\t'));
                bol = false;
        }
 
@@ -1514,7 +1509,7 @@ public class Vala.CodeWriter : CodeVisitor {
                        assert_not_reached ();
                }
 
-               string replacement = "\n" + string.nfill (indent, '\t') + " ";
+               string replacement = "\n%s ".printf (string.nfill (indent, '\t'));
                string fixed_content;
                try {
                        fixed_content = fix_indent_regex.replace (comment.content, comment.content.length, 0, 
replacement);
@@ -1560,7 +1555,7 @@ public class Vala.CodeWriter : CodeVisitor {
        }
 
        private void write_string (string s) {
-               stream.printf ("%s", s);
+               stream.puts (s);
                bol = false;
        }
        
@@ -1592,7 +1587,7 @@ public class Vala.CodeWriter : CodeVisitor {
        private void write_end_block () {
                indent--;
                write_indent ();
-               stream.printf ("}");
+               stream.putc ('}');
        }
 
        private bool check_accessibility (Symbol sym) {
@@ -1675,9 +1670,9 @@ public class Vala.CodeWriter : CodeVisitor {
 
                        stream.printf ("[%s", attr.name);
                        if (keys.get_length () > 0) {
-                               stream.printf (" (");
+                               stream.puts (" (");
 
-                               string separator = "";
+                               unowned string separator = "";
                                var arg_iter = keys.get_begin_iter ();
                                while (!arg_iter.is_end ()) {
                                        unowned string arg_name = arg_iter.get ();
@@ -1690,9 +1685,9 @@ public class Vala.CodeWriter : CodeVisitor {
                                        separator = ", ";
                                }
 
-                               stream.printf (")");
+                               stream.puts (")");
                        }
-                       stream.printf ("]");
+                       stream.puts ("]");
                        if (node is Parameter || node is PropertyAccessor) {
                                write_string (" ");
                        } else {