Refine highlights.scm:

- Match repeat, conditional, etc. to their corresponding commands
- Clean up `@parameter` match
- Add `$ENV` and `$CACHE` to queries

queries/cmake/highlights.scm

@@ -1,87 +1,101 @@
-(bracket_content) @parameter
+[
-(quoted_element) @parameter
+ (bracket_content)
-(unquoted_argument) @parameter
+ (quoted_element)
+ (unquoted_argument)
+] @parameter
 
 (variable) @variable
 
 [
-  (normal_command)
+ "$ENV"
-  (if_command)
+ "$CACHE"
-  (elseif_command)
+] @variable.builtin
-  (else_command)
-  (endif_command)
-  (foreach_command)
-  (endforeach_command)
-  (while_command)
-  (endwhile_command)
-  (function_command)
-  (endfunction_command)
-  (macro_command)
-  (endmacro_command)
-  (message_command)
-]@function
 
 [
-  "1"
+ (normal_command)
-  "ON"
+ (function_command)
-  "YES"
+ (endfunction_command)
-  "TRUE"
+ (macro_command)
-  "Y"
+ (endmacro_command)
-  "0"
+ (message_command)
-  "OFF"
+] @function
-  "NO"
+
-  "FALSE"
+[
-  "N"
+ (if_command)
-  "IGNORE"
+ (elseif_command)
-  "NOTFOUND"
+ (else_command)
-  "NOT"
+ (endif_command)
-  "AND"
+] @conditional
-  "OR"
+
-  "COMMAND"
+[
-  "POLICY"
+ (foreach_command)
-  "TARGET"
+ (endforeach_command)
-  "TEST"
+ (while_command)
-  "DEFINED"
+ (endwhile_command)
-  "CACHE"
+] @repeat
-  "ENV"
+
-  "IN_LIST"
+[
-  "EXISTS"
+ "1"
-  "IS_NEWER_THAN"
+ "ON"
-  "IS_DIRECTORY"
+ "YES"
-  "IS_SYMLINK"
+ "TRUE"
-  "IS_ABSOLUTE"
+ "Y"
-  "MATCHES"
+ "0"
-  "LESS"
+ "OFF"
-  "GREATER"
+ "NO"
-  "EQUAL"
+ "FALSE"
-  "LESS_EQUAL"
+ "N"
-  "GREATER_EQUAL"
+ "IGNORE"
-  "STRLESS"
+ "NOTFOUND"
-  "STRGREATER"
+ "NOT"
-  "STREQUAL"
+ "AND"
-  "STRLESS_EQUAL"
+ "OR"
-  "STRGREATER_EQUAL"
+ "COMMAND"
-  "VERSION_LESS"
+ "POLICY"
-  "VERSION_GREATER"
+ "TARGET"
-  "VERSION_EQUAL"
+ "TEST"
-  "VERSION_LESS_EQUAL"
+ "DEFINED"
-  "VERSION_GREATER_EQUAL" 
+ "CACHE"
-  "IN"
+ "ENV"
-  "RANGE"
+ "IN_LIST"
-  "ZIP_LISTS"
+ "EXISTS"
-  "LISTS"
+ "IS_NEWER_THAN"
-  "ITEMS"
+ "IS_DIRECTORY"
-  "FATAL_ERROR"
+ "IS_SYMLINK"
-  "SEND_ERROR"
+ "IS_ABSOLUTE"
-  "WARNING"
+ "MATCHES"
-  "AUTHOR_WARNING"
+ "LESS"
-  "DEPRECATION"
+ "GREATER"
-  "NOTICE"
+ "EQUAL"
-  "STATUS"
+ "LESS_EQUAL"
-  "VERBOSE"
+ "GREATER_EQUAL"
-  "DEBUG"
+ "STRLESS"
-  "TRACE"
+ "STRGREATER"
-  "CHECK_START"
+ "STREQUAL"
-  "CHECK_PASS"
+ "STRLESS_EQUAL"
-  "CHECK_FAIL"
+ "STRGREATER_EQUAL"
+ "VERSION_LESS"
+ "VERSION_GREATER"
+ "VERSION_EQUAL"
+ "VERSION_LESS_EQUAL"
+ "VERSION_GREATER_EQUAL" 
+ "IN"
+ "RANGE"
+ "ZIP_LISTS"
+ "LISTS"
+ "ITEMS"
+ "FATAL_ERROR"
+ "SEND_ERROR"
+ "WARNING"
+ "AUTHOR_WARNING"
+ "DEPRECATION"
+ "NOTICE"
+ "STATUS"
+ "VERBOSE"
+ "DEBUG"
+ "TRACE"
+ "CHECK_START"
+ "CHECK_PASS"
+ "CHECK_FAIL"
 ] @keyword
+