Ensure compatibility with future ST releases

caused by sublimehq/Packages#4430

Author: deathaxe

CoffeeScript Literate.sublime-syntax

@@ -30,28 +30,72 @@ contexts:
       embed_scope: meta.embedded.litcoffee source.coffee.embedded.markdown
       escape: ^(?=\s*$)
 
-  fenced-syntaxes:
-    - meta_append: true
-    - include: fenced-coffee
+###[ FENCED CODE BLOCKS (NEW STYLE) ]###########################################
 
-  fenced-coffee:
+  fenced-code-block-body:
+    # requires: https://github.com/sublimehq/Packages/pull/4430
+    - meta_prepend: true
     - match: |-
-         (?x)
-          {{fenced_code_block_start}}
-          (?i:\s*(coffee(?:script)?|cjsx|cson|iced))
-          {{fenced_code_block_trailing_infostring_characters}}
+        (?xi)
+        [ \t]*
+        (coffee(?:script)?|cjsx|cson|iced)
+        (?=[ \t\n;:])
       captures:
-        0: meta.code-fence.definition.begin.markdown-gfm
-        2: punctuation.definition.raw.code-fence.begin.markdown
-        5: constant.other.language-name.markdown
-        6: comment.line.infostring.markdown
-        7: meta.fold.code-fence.begin.markdown
+        1: constant.other.language-name.markdown
+      push:
+        - fenced-code-block-coffee-content
+        - fenced-code-block-coffee-infostring
+
+  fenced-code-block-coffee-infostring:
+    - meta_include_prototype: false
+    - meta_scope: meta.code-fence.definition.begin.markdown-gfm
+    - meta_content_scope: comment.line.infostring.markdown
+    - match: \s*$\n?
+      scope: meta.fold.code-fence.begin.markdown
+      pop: 1
+    - match: \{
+      scope: punctuation.definition.attributes.begin.markdown
+      push: fenced-code-block-coffee-infostring-attributes
+
+  fenced-code-block-coffee-infostring-attributes:
+    - meta_scope: meta.attributes.markdown
+    - include: tag-attributes
+
+  fenced-code-block-coffee-content:
+    - meta_include_prototype: false
+    - match: ^
       embed: scope:source.coffee
       embed_scope:
-        meta.code-fence.body.markdown.markdown-gfm
+        meta.code-fence.body.markdown-gfm
         markup.raw.code-fence.coffee.markdown-gfm
         source.coffee
-      escape: '{{fenced_code_block_escape}}'
+      escape: (?!)
+
+###[ FENCED CODE BLOCKS (OLD STYLE) ]###########################################
+
+  fenced-syntaxes:
+    # required until ST4202
+    - meta_append: true
+    - match: |-
+        (?x)
+        [ \t]*                              # leading whitespace
+        ( (`)``+(?![^`]*`) | (~)~~+ )       # punctuation
+        ((?i:coffee(?:script)?|cjsx|cson|iced)) # language identifier
+        (?: (?: \s+ | (?=[:;]) ) (\S.*?) )? # remaining infostring
+        (\s*$\n?)                           # fold marker
+      captures:
+        0: meta.code-fence.definition.begin.markdown-gfm
+        1: punctuation.definition.raw.code-fence.begin.markdown
+        4: constant.other.language-name.markdown
+        5: comment.line.infostring.markdown
+        6: meta.fold.code-fence.begin.markdown
+      embed: scope:source.coffee
+      embed_scope: markup.raw.code-fence.markdown-gfm source.coffee
+      escape: |-
+        (?x)
+        ^[ \t]*                     # leading whitespace
+        ( \1 (?:(?:\2)*|(?:\3)*) )  # punctuation
+        (\s*$\n?)                   # fold marker
       escape_captures:
         0: meta.code-fence.definition.end.markdown-gfm
         1: punctuation.definition.raw.code-fence.end.markdown

tests/syntax_test_scope.litcoffee

@@ -66,7 +66,7 @@ into a .litcoffee file and open it in Sublime to see the breakage.
 |^^ punctuation.definition.raw.code-fence.begin.markdown
 |  ^^^^^^ constant.other.language-name.markdown
 
-| <- text.html.markdown.litcoffee meta.code-fence.body.markdown.markdown-gfm markup.raw.code-fence.coffee.markdown-gfm source.coffee
+| <- text.html.markdown.litcoffee markup.raw.code-fence source.coffee
 ```
 | <- text.html.markdown.litcoffee meta.code-fence.definition.end.markdown-gfm punctuation.definition.raw.code-fence.end.markdown
 |^^ text.html.markdown.litcoffee meta.code-fence.definition.end.markdown-gfm punctuation.definition.raw.code-fence.end.markdown