lexlua: Added `lexer.colors` and `lexer.styles` tables for themes and lexers.

This allows for a more Lua table-oriented approach to defining and using colors
and styles, instead of manually manipulating Scintilla property strings.
Themes and lexers are still backwards compatible, as the underlying mechanisms
are still in place.

1 files changed, 71 insertions, 72 deletions

diff --git a/lexlua/themes/light.lua b/lexlua/themes/light.lua
index e3d1a63eb..0de6a9dcf 100644
--- a/lexlua/themes/light.lua
+++ b/lexlua/themes/light.lua
@@ -2,88 +2,87 @@
 -- Light theme for Lua lexers.
 -- Contributions by Ana Balan.
 
-local property = require('lexer').property
+local lexer = require('lexer')
+local colors, styles = lexer.colors, lexer.styles
 
 -- Greyscale colors.
---property['color.dark_black'] = '#000000'
---property['color.black'] = '#1A1A1A'
-property['color.light_black'] = '#333333'
---property['color.grey_black'] = '#4D4D4D'
---property['color.dark_grey'] = '#666666'
-property['color.grey'] = '#808080'
---property['color.light_grey'] = '#999999'
---property['grey_white'] = '#B3B3B3'
-property['color.dark_white'] = '#CCCCCC'
-property['color.white'] = '#E6E6E6'
---property['color.light_white'] = '#FFFFFF'
+colors.dark_black = '#000000'
+colors.black = '#1A1A1A'
+colors.light_black = '#333333'
+colors.grey_black = '#4D4D4D'
+colors.dark_grey = '#666666'
+colors.grey = '#808080'
+colors.light_grey = '#999999'
+colors.grey_white = '#B3B3B3'
+colors.dark_white = '#CCCCCC'
+colors.white = '#E6E6E6'
+colors.light_white = '#FFFFFF'
 
 -- Dark colors.
---property['color.dark_red'] = '#661A1A'
-property['color.dark_yellow'] = '#66661A'
-property['color.dark_green'] = '#1A661A'
---property['color.dark_teal'] = '#1A6666'
---property['color.dark_purple'] = '#661A66'
-property['color.dark_orange'] = '#B3661A'
---property['color.dark_pink'] = '#B36666'
-property['color.dark_lavender'] = '#6666B3'
-property['color.dark_blue'] = '#1A66B3'
+colors.dark_red = '#661A1A'
+colors.dark_yellow = '#66661A'
+colors.dark_green = '#1A661A'
+colors.dark_teal = '#1A6666'
+colors.dark_purple = '#661A66'
+colors.dark_orange = '#B3661A'
+colors.dark_pink = '#B36666'
+colors.dark_lavender = '#6666B3'
+colors.dark_blue = '#1A66B3'
 
 -- Normal colors.
-property['color.red'] = '#994D4D'
-property['color.yellow'] = '#99994D'
-property['color.green'] = '#4D994D'
-property['color.teal'] = '#4D9999'
-property['color.purple'] = '#994D99'
---property['color.orange'] = '#E6994D'
---property['color.pink'] = '#E69999'
-property['color.lavender'] = '#9999E6'
---property['color.blue'] = '#4D99E6'
+colors.red = '#994D4D'
+colors.yellow = '#99994D'
+colors.green = '#4D994D'
+colors.teal = '#4D9999'
+colors.purple = '#994D99'
+colors.orange = '#E6994D'
+colors.pink = '#E69999'
+colors.lavender = '#9999E6'
+colors.blue = '#4D99E6'
 
 -- Light colors.
-property['color.light_red'] = '#C08080'
---property['color.light_yellow'] = '#CCCC80'
---property['color.light_green'] = '#80CC80'
---property['color.light_teal'] = '#80CCCC'
---property['color.light_purple'] = '#CC80CC'
---property['color.light_orange'] = '#FFCC80'
---property['color.light_pink'] = '#FFCCCC'
---property['color.light_lavender'] = '#CCCCFF'
-property['color.light_blue'] = '#80CCFF'
+colors.light_red = '#C08080'
+colors.light_yellow = '#CCCC80'
+colors.light_green = '#80CC80'
+colors.light_teal = '#80CCCC'
+colors.light_purple = '#CC80CC'
+colors.light_orange = '#FFCC80'
+colors.light_pink = '#FFCCCC'
+colors.light_lavender = '#CCCCFF'
+colors.light_blue = '#80CCFF'
 
--- Default style.
-property['font'], property['fontsize'] = 'Bitstream Vera Sans Mono', '10'
-if WIN32 then
-  property['font'] = 'Courier New'
-elseif OSX then
-  property['font'], property['fontsize'] = 'Monaco', '12'
-end
+-- Default font.
+local font = WIN32 and 'Courier New' or OSX and 'Monaco' or
+  'Bitstream Vera Sans Mono'
+local size = not OSX and 10 or 12
 
 -- Predefined styles.
-property['style.default'] = 'font:$(font),size:$(fontsize),'..
-                            'fore:$(color.light_black),back:$(color.white)'
-property['style.linenumber'] = 'fore:$(color.grey),back:$(color.white)'
-property['style.bracelight'] = 'fore:$(color.light_blue)'
-property['style.bracebad'] = 'fore:$(color.light_red)'
-property['style.controlchar'] = ''
-property['style.indentguide'] = 'fore:$(color.dark_white)'
-property['style.calltip'] = 'fore:$(color.light_black),back:$(color.dark_white)'
-property['style.folddisplaytext'] = 'fore:$(color.grey)'
+styles.default = {
+  font = font, size = size, fore = colors.light_black, back = colors.white
+}
+styles.line_number = {fore = colors.grey, back = colors.white}
+styles.brace_light = {fore = colors.light_blue}
+styles.brace_bad = {fore = colors.light_red}
+styles.control_char = {}
+styles.indent_guide = {fore = colors.dark_white}
+styles.call_tip = {fore = colors.light_black, back = colors.dark_white}
+styles.fold_display_text = {fore = colors.grey}
 
 -- Token styles.
-property['style.class'] = 'fore:$(color.yellow)'
-property['style.comment'] = 'fore:$(color.grey)'
-property['style.constant'] = 'fore:$(color.red)'
-property['style.embedded'] = '$(style.keyword),back:$(color.dark_white)'
-property['style.error'] = 'fore:$(color.red),italics'
-property['style.function'] = 'fore:$(color.dark_orange)'
-property['style.identifier'] = ''
-property['style.keyword'] = 'fore:$(color.dark_blue)'
-property['style.label'] = 'fore:$(color.dark_orange)'
-property['style.number'] = 'fore:$(color.teal)'
-property['style.operator'] = 'fore:$(color.purple)'
-property['style.preprocessor'] = 'fore:$(color.dark_yellow)'
-property['style.regex'] = 'fore:$(color.dark_green)'
-property['style.string'] = 'fore:$(color.green)'
-property['style.type'] = 'fore:$(color.lavender)'
-property['style.variable'] = 'fore:$(color.dark_lavender)'
-property['style.whitespace'] = ''
+styles.class = {fore = colors.yellow}
+styles.comment = {fore = colors.grey}
+styles.constant = {fore = colors.red}
+styles.embedded = {fore = colors.dark_blue, back = colors.dark_white}
+styles.error = {fore = colors.red, italics}
+styles['function'] = {fore = colors.dark_orange}
+styles.identifier = {}
+styles.keyword = {fore = colors.dark_blue}
+styles.label = {fore = colors.dark_orange}
+styles.number = {fore = colors.teal}
+styles.operator = {fore = colors.purple}
+styles.preprocessor = {fore = colors.dark_yellow}
+styles.regex = {fore = colors.dark_green}
+styles.string = {fore = colors.green}
+styles.type = {fore = colors.lavender}
+styles.variable = {fore = colors.dark_lavender}
+styles.whitespace = {}