From 847d2e82a045fbafbe42da9013f3623542cd42e4 Mon Sep 17 00:00:00 2001
From: Dave Davenport <qball@gmpclient.org>
Date: Sun, 22 Oct 2017 12:41:51 +0200
Subject: [PATCH] [Lexer/Parser] Make the '#' before element optional.

---
 lexer/theme-lexer.l  | 26 +++++++++++++++++++++-----
 lexer/theme-parser.y | 11 ++++++++++-
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/lexer/theme-lexer.l b/lexer/theme-lexer.l
index a576e266..b906b59c 100644
--- a/lexer/theme-lexer.l
+++ b/lexer/theme-lexer.l
@@ -359,15 +359,16 @@ if ( queue == NULL ){
      */
 
 
-    /**
-     * Handle defaults:  * { ... }
-     */
 <INITIAL>{CONFIGURATION} {
     g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
     BEGIN(DEFAULTS);
     return T_CONFIGURATION;
 
 }
+
+    /**
+     * Handle defaults:  * { ... }
+     */
 <INITIAL>{ASTERIX} {
     g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
     BEGIN(DEFAULTS);
@@ -385,8 +386,12 @@ if ( queue == NULL ){
     return T_ERROR_DEFAULTS;
 }
 
-<INITIAL>"#"            { g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) ); BEGIN(NAMESTR);return T_NAME_PREFIX;}
-  /* Go into parsing an section*/
+<INITIAL>"#"            {
+    g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
+    BEGIN(NAMESTR);
+    return T_NAME_PREFIX;
+}
+    /* Go into parsing an section*/
 <NAMESTR>"\{"                    {
     g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
     BEGIN(SECTION);
@@ -557,6 +562,17 @@ if ( queue == NULL ){
         yylloc->last_column = 1;
         yylloc->last_line ++;
 };
+
+ /**
+  * If we just encounter a word, we assume it is a Widget name.
+  * This makes include,theme, configuration a reserved keyword.
+  */
+<INITIAL>{WORD} {
+    g_queue_push_head ( queue, GINT_TO_POINTER (YY_START) );
+    BEGIN(NAMESTR);
+    yylval->sval = g_strdup(yytext);
+    return T_NAME_ELEMENT;
+}
 <INITIAL>. {
     return T_ERROR;
 }
diff --git a/lexer/theme-parser.y b/lexer/theme-parser.y
index b97bae22..de2acf6f 100644
--- a/lexer/theme-parser.y
+++ b/lexer/theme-parser.y
@@ -248,6 +248,7 @@ static ThemeColor hwb_to_rgb ( double h, double w, double b)
 %type <list>           t_property_element_list
 %type <list>           t_property_element_list_optional
 %type <ival>           t_property_orientation
+%type <ival>           t_name_prefix_optional
 %start t_entry_list
 
 %%
@@ -265,8 +266,16 @@ t_entry_list:
     }
 ;
 
+/**
+ * Small dummy object to make the prefix optional.
+ */
+t_name_prefix_optional
+: T_NAME_PREFIX {}
+| %empty {}
+;
+
 t_entry:
-T_NAME_PREFIX t_entry_name_path_selectors T_BOPEN t_property_list_optional T_BCLOSE
+t_name_prefix_optional t_entry_name_path_selectors T_BOPEN t_property_list_optional T_BCLOSE
 {
     for ( GList *liter = g_list_first ( $2); liter; liter = g_list_next ( liter ) ) {
         ThemeWidget *widget = rofi_theme;