Added `lexer.colors` and `lexer.styles` and updated themes to utilize them.

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

1 files changed, 90 insertions, 94 deletions

diff --git a/themes/light.lua b/themes/light.lua
index b0ae292b..cdaca6f6 100644
--- a/themes/light.lua
+++ b/themes/light.lua
@@ -2,90 +2,89 @@
 -- Light theme for Textadept.
 -- Contributions by Ana Balan.
 
-local view = view
-local property, property_int = view.property, view.property_int
+local view, colors, styles = view, lexer.colors, lexer.styles
 
 -- Greyscale colors.
-property['color.dark_black'] = 0x000000
-property['color.black'] = 0x1A1A1A
-property['color.light_black'] = 0x333333
-property['color.grey_black'] = 0x4D4D4D
-property['color.dark_grey'] = 0x666666
-property['color.grey'] = 0x808080
-property['color.light_grey'] = 0x999999
-property['color.grey_white'] = 0xB3B3B3
-property['color.dark_white'] = 0xCCCCCC
-property['color.white'] = 0xE6E6E6
-property['color.light_white'] = 0xFFFFFF
+colors.dark_black = 0x000000
+colors.black = 0x1A1A1A
+colors.light_black = 0x333333
+colors.grey_black = 0x4D4D4D
+colors.dark_grey = 0x666666
+colors.grey = 0x808080
+colors.light_grey = 0x999999
+colors.grey_white = 0xB3B3B3
+colors.dark_white = 0xCCCCCC
+colors.white = 0xE6E6E6
+colors.light_white = 0xFFFFFF
 
 -- Dark colors.
-property['color.dark_red'] = 0x1A1A66
-property['color.dark_yellow'] = 0x1A6666
-property['color.dark_green'] = 0x1A661A
-property['color.dark_teal'] = 0x66661A
-property['color.dark_purple'] = 0x661A66
-property['color.dark_orange'] = 0x1A66B3
-property['color.dark_pink'] = 0x6666B3
-property['color.dark_lavender'] = 0xB36666
-property['color.dark_blue'] = 0xB3661A
+colors.dark_red = 0x1A1A66
+colors.dark_yellow = 0x1A6666
+colors.dark_green = 0x1A661A
+colors.dark_teal = 0x66661A
+colors.dark_purple = 0x661A66
+colors.dark_orange = 0x1A66B3
+colors.dark_pink = 0x6666B3
+colors.dark_lavender = 0xB36666
+colors.dark_blue = 0xB3661A
 
 -- Normal colors.
-property['color.red'] = 0x4D4D99
-property['color.yellow'] = 0x4D9999
-property['color.green'] = 0x4D994D
-property['color.teal'] = 0x99994D
-property['color.purple'] = 0x994D99
-property['color.orange'] = 0x4D99E6
-property['color.pink'] = 0x9999E6
-property['color.lavender'] = 0xE69999
-property['color.blue'] = 0xE6994D
+colors.red = 0x4D4D99
+colors.yellow = 0x4D9999
+colors.green = 0x4D994D
+colors.teal = 0x99994D
+colors.purple = 0x994D99
+colors.orange = 0x4D99E6
+colors.pink = 0x9999E6
+colors.lavender = 0xE69999
+colors.blue = 0xE6994D
 
 -- Light colors.
-property['color.light_red'] = 0x8080CC
-property['color.light_yellow'] = 0x80CCCC
-property['color.light_green'] = 0x80CC80
-property['color.light_teal'] = 0xCCCC80
-property['color.light_purple'] = 0xCC80CC
-property['color.light_orange'] = 0x80CCFF
-property['color.light_pink'] = 0xCCCCFF
-property['color.light_lavender'] = 0xFFCCCC
-property['color.light_blue'] = 0xFFCC80
+colors.light_red = 0x8080CC
+colors.light_yellow = 0x80CCCC
+colors.light_green = 0x80CC80
+colors.light_teal = 0xCCCC80
+colors.light_purple = 0xCC80CC
+colors.light_orange = 0x80CCFF
+colors.light_pink = 0xCCCCFF
+colors.light_lavender = 0xFFCCCC
+colors.light_blue = 0xFFCC80
 
 -- Default font.
-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
+if not font then
+  font = WIN32 and 'Courier New' or OSX and 'Monaco' or
+    'Bitstream Vera Sans Mono'
 end
+if not size then size = not OSX and 10 or 12 end
 
 -- 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.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.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 = {}
 
 -- Multiple Selection and Virtual Space
 --view.additional_sel_alpha =
@@ -94,44 +93,41 @@ property['style.whitespace'] = ''
 --view.additional_caret_fore =
 
 -- Caret and Selection Styles.
-view:set_sel_fore(true, property_int['color.light_black'])
-view:set_sel_back(true, property_int['color.light_grey'])
+view:set_sel_fore(true, colors.light_black)
+view:set_sel_back(true, colors.light_grey)
 --view.sel_alpha =
-view.caret_fore = property_int['color.grey_black']
-view.caret_line_back = property_int['color.dark_white']
+view.caret_fore = colors.grey_black
+view.caret_line_back = colors.dark_white
 --view.caret_line_back_alpha =
 
 -- Fold Margin.
-view:set_fold_margin_color(true, property_int['color.white'])
-view:set_fold_margin_hi_color(true, property_int['color.white'])
+view:set_fold_margin_color(true, colors.white)
+view:set_fold_margin_hi_color(true, colors.white)
 
 -- Markers.
-local MARK_BOOKMARK, t_run = textadept.bookmarks.MARK_BOOKMARK, textadept.run
---view.marker_fore[MARK_BOOKMARK] = property_int['color.white']
-view.marker_back[MARK_BOOKMARK] = property_int['color.dark_blue']
---view.marker_fore[t_run.MARK_WARNING] = property_int['color.white']
-view.marker_back[t_run.MARK_WARNING] = property_int['color.light_yellow']
---view.marker_fore[t_run.MARK_ERROR] = property_int['color.white']
-view.marker_back[t_run.MARK_ERROR] = property_int['color.light_red']
+--view.marker_fore[textadept.bookmarks.MARK_BOOKMARK] = colors.white
+view.marker_back[textadept.bookmarks.MARK_BOOKMARK] = colors.dark_blue
+--view.marker_fore[textadept.run.MARK_WARNING] = colors.white
+view.marker_back[textadept.run.MARK_WARNING] = colors.light_yellow
+--view.marker_fore[textadept.run.MARK_ERROR] = colors.white
+view.marker_back[textadept.run.MARK_ERROR] = colors.light_red
 for i = buffer.MARKNUM_FOLDEREND, buffer.MARKNUM_FOLDEROPEN do -- fold margin
-  view.marker_fore[i] = property_int['color.white']
-  view.marker_back[i] = property_int['color.grey']
-  view.marker_back_selected[i] = property_int['color.grey_black']
+  view.marker_fore[i] = colors.white
+  view.marker_back[i] = colors.grey
+  view.marker_back_selected[i] = colors.grey_black
 end
 
 -- Indicators.
-view.indic_fore[ui.find.INDIC_FIND] = property_int['color.yellow']
+view.indic_fore[ui.find.INDIC_FIND] = colors.yellow
 view.indic_alpha[ui.find.INDIC_FIND] = 255
-local INDIC_BRACEMATCH = textadept.editing.INDIC_BRACEMATCH
-view.indic_fore[INDIC_BRACEMATCH] = property_int['color.grey']
-local INDIC_HIGHLIGHT = textadept.editing.INDIC_HIGHLIGHT
-view.indic_fore[INDIC_HIGHLIGHT] = property_int['color.orange']
-view.indic_alpha[INDIC_HIGHLIGHT] = 255
+view.indic_fore[textadept.editing.INDIC_BRACEMATCH] = colors.grey
+view.indic_fore[textadept.editing.INDIC_HIGHLIGHT] = colors.orange
+view.indic_alpha[textadept.editing.INDIC_HIGHLIGHT] = 255
 local INDIC_PLACEHOLDER = textadept.snippets.INDIC_PLACEHOLDER
-view.indic_fore[INDIC_PLACEHOLDER] = property_int['color.grey_black']
+view.indic_fore[INDIC_PLACEHOLDER] = colors.grey_black
 
 -- Call tips.
-view.call_tip_fore_hlt = property_int['color.light_blue']
+view.call_tip_fore_hlt = colors.light_blue
 
 -- Long Lines.
-view.edge_color = property_int['color.grey']
+view.edge_color = colors.grey