From: Jamie McCracken <jamiemcc@gnome.org>
Date: Tue, 27 May 2008 04:32:16 +0000 (+0000)
Subject: Added optional indent attribute to allow spaces to be used in lieu of tabs
X-Git-Tag: VALA_0_3_3~102
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=207144d25836b988cdf6c99f0cef655478997647;p=platform%2Fupstream%2Fvala.git

Added optional indent attribute to allow spaces to be used in lieu of tabs

2008-05-27  Jamie McCracken  <jamiemcc@gnome.org>

	* vala/valagenieparser.vala:
	* vala/valageniescanner.vala:

	Added optional indent attribute to allow spaces to be used in lieu of tabs for indents



svn path=/trunk/; revision=1456
---

diff --git a/ChangeLog b/ChangeLog
index 05a4c37..39db469 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,14 @@
 2008-05-27  Jamie McCracken  <jamiemcc@gnome.org>
 
 	* vala/valagenieparser.vala: 
+	* vala/valageniescanner.vala: 
+	
+	Added optional indent attribute to allow spaces to be used in lieu of tabs for indents
+
+
+2008-05-27  Jamie McCracken  <jamiemcc@gnome.org>
+
+	* vala/valagenieparser.vala: 
 	
 	Made GLib using directive optional 
 
diff --git a/vala/valagenieparser.vala b/vala/valagenieparser.vala
index f58a96e..fa5989c 100644
--- a/vala/valagenieparser.vala
+++ b/vala/valagenieparser.vala
@@ -346,6 +346,21 @@ public class Vala.Genie.Parser : CodeVisitor {
 		next ();
 
 		try {
+			var begin = get_location ();
+			/* see if there is an indent attribute */
+			if (accept (TokenType.OPEN_BRACKET)) {
+				var id = parse_identifier ();
+				if (id == "indent") {
+					expect (TokenType.ASSIGN);
+					expect (TokenType.INTEGER_LITERAL);
+					scanner.indent_spaces = get_last_string().to_int();
+					expect (TokenType.CLOSE_BRACKET);
+					expect (TokenType.EOL);
+				} else {
+					rollback (begin);
+				}
+			}
+			
 			parse_using_directives ();
 			parse_declarations (context.root, true);
 		} catch (ParseError e) {
diff --git a/vala/valageniescanner.vala b/vala/valageniescanner.vala
index 080db74..d7410bb 100644
--- a/vala/valageniescanner.vala
+++ b/vala/valageniescanner.vala
@@ -30,6 +30,8 @@ using Gee;
 public class Vala.Genie.Scanner : Object {
 	public SourceFile source_file { get; construct; }
 
+	public int indent_spaces { get;set;}
+
 	char* begin;
 	char* current;
 	char* end;
@@ -45,6 +47,8 @@ public class Vala.Genie.Scanner : Object {
 	bool parse_started;
 
 	string _comment;
+	
+	
 
 	public Scanner (SourceFile source_file) {
 		this.source_file = source_file;
@@ -56,6 +60,7 @@ public class Vala.Genie.Scanner : Object {
 
 		current = begin;
 
+		_indent_spaces = 0;
 		line = 1;
 		column = 1;
 		current_indent_level = 0;
@@ -423,9 +428,11 @@ public class Vala.Genie.Scanner : Object {
 		}
 
 
-		/* scrub whitespace (excluding newlines) and comments */
-		space ();
-
+		if ((_indent_spaces == 0 ) || (last_token != TokenType.EOL)) {
+			/* scrub whitespace (excluding newlines) and comments */		
+			space ();
+		}
+		
 		/* handle line continuation */
 		while (current < end && current[0] == '\\' && current[1] == '\n') {
 			current += 2;
@@ -863,14 +870,27 @@ public class Vala.Genie.Scanner : Object {
 
 	int count_tabs ()
 	{
+		
 		int tab_count = 0;
 
-		while (current < end && current[0] == '\t') {
-			current++;
-			column++;
-			tab_count++;
-		}
 
+		if (_indent_spaces == 0) {
+			while (current < end && current[0] == '\t') {
+				current++;
+				column++;
+				tab_count++;
+			}
+		} else {
+			int space_count = 0;
+			while (current < end && current[0] == ' ') {
+				current++;
+				column++;
+				space_count++;
+			}
+			
+			tab_count = space_count / _indent_spaces;
+		
+		}
 
 		/* ignore comments and whitspace and other lines that contain no code */