SCSS: add module parser-specific field

Signed-off-by: Masatake YAMATO <yamato@redhat.com>

Author: masatake

Tmain/list-fields-with-prefix.d/stdout-expected.txt

@@ -48,6 +48,7 @@ x       UCTAGSxpath          no      NONE             s--    no    -- xpath for
 -       UCTAGSoverline       no      ReStructuredText --b    no    -- whether using overline & underline for declaring section
 -       UCTAGSsectionMarker  no      ReStructuredText s--    no    -- character used for declaring section
 -       UCTAGSmixin          yes     Ruby             s--    no    -- how the class or module is mixed in (mixin:HOW:MODULE)
+-       UCTAGSmodule         yes     SCSS             s--    no    rw the name of module behind the namespace
 -       UCTAGSdefiner        yes     Scheme           s--    no    -- the name of the function or macro that defines the unknown/Y-kind object
 -       UCTAGSparameter      no      SystemVerilog    --b    no    -- parameter whose value can be overridden.
 -       UCTAGStarget         yes     Thrift           s--    no    -- the target language specified at "namespace"

Tmain/list-fields.d/stdout-expected.txt

@@ -66,6 +66,7 @@ z	kind	no	NONE	s--	no	r-	[tags output] prepend "kind:" to k/ (or K/) field outpu
 -	overline	no	ReStructuredText	--b	no	--	whether using overline & underline for declaring section
 -	sectionMarker	no	ReStructuredText	s--	no	--	character used for declaring section
 -	mixin	yes	Ruby	s--	no	--	how the class or module is mixed in (mixin:HOW:MODULE)
+-	module	yes	SCSS	s--	no	rw	the name of module behind the namespace
 -	definer	yes	Scheme	s--	no	--	the name of the function or macro that defines the unknown/Y-kind object
 -	parameter	no	SystemVerilog	--b	no	--	parameter whose value can be overridden.
 -	target	yes	Thrift	s--	no	--	the target language specified at "namespace"

Units/parser-scss.r/use.d/expected.tags

@@ -1,10 +1,10 @@
 X/y	input.scss	/^@use "X\/y";$/;"	M	roles:used
-y	input.scss	/^@use "X\/y";$/;"	n	roles:def
+y	input.scss	/^@use "X\/y";$/;"	n	roles:def	module:X/y
 Z	input.scss	/^@use "Z";$/;"	M	roles:used
-Z	input.scss	/^@use "Z";$/;"	n	roles:def
+Z	input.scss	/^@use "Z";$/;"	n	roles:def	module:Z
 A	input.scss	/^@use "A" as NS;$/;"	M	roles:used
-NS	input.scss	/^@use "A" as NS;$/;"	n	roles:def
+NS	input.scss	/^@use "A" as NS;$/;"	n	roles:def	module:A
 B/	input.scss	/^@use "B\/";$/;"	M	roles:used
 C/d/e	input.scss	/^@use 'C\/d\/e';$/;"	M	roles:used
-e	input.scss	/^@use 'C\/d\/e';$/;"	n	roles:def
+e	input.scss	/^@use 'C\/d\/e';$/;"	n	roles:def	module:C/d/e
 P/q	input.scss	/^@use 'P\/q' as *;$/;"	M	roles:used

docs/man/ctags-lang-scss.7.rst

@@ -28,6 +28,7 @@ Change since "0.0"
 
 * New kind ``module`` and new role ``used`` of the ``module`` kind
 * New kind ``namespace``
+* New field ``module``
 
 SEE ALSO
 --------

man/ctags-lang-scss.7.rst.in

@@ -28,6 +28,7 @@ Change since "0.0"
 
 * New kind ``module`` and new role ``used`` of the ``module`` kind
 * New kind ``namespace``
+* New field ``module``
 
 SEE ALSO
 --------

optlib/scss.c

@@ -63,18 +63,18 @@ static void initializeSCSSParser (const langType language)
 		"         % module-name offset' count namespace-string\n"
 		"         _copyinterval\n"
 		"         dup length 0 gt {\n"
-		"            /namespace @1 _tag _commit pop\n"
+		"            /namespace @1 _tag _commit \\1 SCSS.module:\n"
 		"         } {\n"
 		"            clear\n"
 		"         } ifelse\n"
 		"      } {\n"
 		"         % Extract the module name as a namespace.\n"
-		"         \\1 /namespace @1 _tag _commit pop\n"
+		"         \\1 /namespace @1 _tag _commit \\1 SCSS.module:\n"
 		"      } ifelse\n"
 		"   } {\n"
 		"     % \"as *\" doesn't make a namespace.\n"
 		"      \\3 (*) ne {\n"
-		"         \\3 /namespace @3 _tag _commit pop\n"
+		"         \\3 /namespace @3 _tag _commit \\1 SCSS.module:\n"
 		"      } if\n"
 		"   } ifelse\n"
 		"}}", NULL);
@@ -233,6 +233,16 @@ extern parserDefinition* SCSSParser (void)
 		  ATTACH_ROLES(SCSSModuleRoleTable),
 		},
 	};
+	static fieldDefinition SCSSFieldTable [] = {
+		{
+		  .enabled     = true,
+		  .name        = "module",
+		  .description = "the name of module behind the namespace",
+		  .dataType = FIELDTYPE_SCRIPTABLE|FIELDTYPE_STRING,
+		  .getValueObject = getFieldValueGeneric,
+		  .setValueObject = setFieldValueGeneric,
+		},
+	};
 
 	parserDefinition* const def = parserNew ("SCSS");
 
@@ -246,6 +256,8 @@ extern parserDefinition* SCSSParser (void)
 	def->useCork       = CORK_QUEUE;
 	def->kindTable     = SCSSKindTable;
 	def->kindCount     = ARRAY_SIZE(SCSSKindTable);
+	def->fieldTable    = SCSSFieldTable;
+	def->fieldCount    = ARRAY_SIZE(SCSSFieldTable);
 	def->initialize    = initializeSCSSParser;
 
 	return def;

optlib/scss.ctags

@@ -40,6 +40,9 @@
 --kinddef-SCSS=M,module,modules
 --_roledef-SCSS.{module}=used,used
 
+--_fielddef-SCSS=module,the name of module behind the namespace{datatype=str}
+--fields-SCSS=+{module}
+
 --_tabledef-SCSS=toplevel
 --_tabledef-SCSS=comment
 --_tabledef-SCSS=interp
@@ -69,18 +72,18 @@
          % module-name offset' count namespace-string
          _copyinterval
          dup length 0 gt {
-            /namespace @1 _tag _commit pop
+            /namespace @1 _tag _commit \1 SCSS.module:
          } {
             clear
          } ifelse
       } {
          % Extract the module name as a namespace.
-         \1 /namespace @1 _tag _commit pop
+         \1 /namespace @1 _tag _commit \1 SCSS.module:
       } ifelse
    } {
      % "as *" doesn't make a namespace.
       \3 (*) ne {
-         \3 /namespace @3 _tag _commit pop
+         \3 /namespace @3 _tag _commit \1 SCSS.module:
       } if
    } ifelse
 }}