LdScript: add aliased role to symbol kind of LdScript language

Signed-off-by: Masatake YAMATO <[email protected]>

Author: masatake

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

@@ -74,6 +74,7 @@ Kconfig        k/kconfig         source             on      kconfig file loaded
 LdScript       i/inputSection    destination        on      specified as the destination of code and data
 LdScript       i/inputSection    discarded          on      discarded when linking
 LdScript       i/inputSection    mapped             on      mapped to output section
+LdScript       s/symbol          aliased            on      aliased with __attribute__((alias(...))) in C/C++ code
 LdScript       s/symbol          entrypoint         on      entry points
 Lua            Y/unknown         referenced         off     referenced somehow
 M4             I/macrofile       included           on      included macro
@@ -206,6 +207,7 @@ Kconfig        k/kconfig         source             on      kconfig file loaded
 LdScript       i/inputSection    destination        on      specified as the destination of code and data
 LdScript       i/inputSection    discarded          on      discarded when linking
 LdScript       i/inputSection    mapped             on      mapped to output section
+LdScript       s/symbol          aliased            on      aliased with __attribute__((alias(...))) in C/C++ code
 LdScript       s/symbol          entrypoint         on      entry points
 Lua            Y/unknown         referenced         off     referenced somehow
 M4             I/macrofile       included           on      included macro

Units/parser-cxx.r/attribute-alias.cpp.d/args.ctags

@@ -1,2 +1,4 @@
 --sort=no
 --fields-C=+{alias}
+--extras=+r
+--fields=+{roles}{language}

Units/parser-cxx.r/attribute-alias.cpp.d/expected.tags

@@ -1 +1,2 @@
-x	input.c	/^int x __attribute__((alias("y")));$/;"	v	typeref:typename:int	alias:y
+y	input.c	/^int x __attribute__((alias("y")));$/;"	s	language:LdScript	roles:aliased
+x	input.c	/^int x __attribute__((alias("y")));$/;"	v	language:C	typeref:typename:int	roles:def	alias:y

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

@@ -183,4 +183,6 @@ Change since "0.0"
 
 SEE ALSO
 --------
-:ref:`ctags(1) <ctags(1)>`, Info entries for GNU assembler
+:ref:`ctags(1) <ctags(1)>`,
+:ref:`ctags-lang-asm(7) <ctags-lang-asm(7)>`,
+Info entries for GNU assembler

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

@@ -29,9 +29,12 @@ Change since "0.0"
 
 * New role ``destination`` for ``inputSection`` kind
 
+* New role ``aliased`` for  ``symbol`` kind
+
 SEE ALSO
 --------
 :ref:`ctags(1) <ctags(1)>`,
+:ref:`ctags-lang-asm(7) <ctags-lang-asm(7)>`,
 :ref:`ctags-lang-c(7) <ctags-lang-c(7)>`,
 :ref:`ctags-lang-c++(7) <ctags-lang-c++(7)>`,
 :ref:`ctags-lang-cuda(7) <ctags-lang-cuda(7)>`

docs/news/HEAD.rst

@@ -64,6 +64,7 @@ Changes about parser specific kinds, roles, fields, and extras
   + New role `foreigndecl` for `function` kind
   + New role `foreigndecl` for `struct` kind
 
+
   + New filed `section`
 
   + New field `alias`
@@ -96,6 +97,8 @@ Changes about parser specific kinds, roles, fields, and extras
 
   + New role `destination` for `inputSection` kind
 
+  + New role `aliased` for `symbol` kind
+
 * Markdown
 
   + New kind  `hashtag`

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

@@ -183,4 +183,6 @@ Change since "0.0"
 
 SEE ALSO
 --------
-ctags(1), Info entries for GNU assembler
+ctags(1),
+ctags-lang-asm(7),
+Info entries for GNU assembler

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

@@ -29,9 +29,12 @@ Change since "0.0"
 
 * New role ``destination`` for ``inputSection`` kind
 
+* New role ``aliased`` for  ``symbol`` kind
+
 SEE ALSO
 --------
 ctags(1),
+ctags-lang-asm(7),
 ctags-lang-c(7),
 ctags-lang-c++(7),
 ctags-lang-cuda(7)

parsers/cxx/cxx_side_chain.c

@@ -94,6 +94,31 @@ static void cxxScanAttrExtractAlias(const CXXToken * pToken)
 	vStringChop(pArgToken->pszWord);
 	cxxTagSetField(CXXTagFieldAlias, vStringValue(pArgToken->pszWord)+1, true);
 
+	tagEntryInfo e;
+	static langType lang = LANG_AUTO;
+
+	if(lang == LANG_AUTO)
+		lang = getNamedLanguage("LdScript", 0);
+	if(lang == LANG_IGNORE)
+		goto out;
+
+	static kindDefinition * kdef = NULL;
+	if(kdef == NULL)
+		kdef = getLanguageKindForName (lang, "symbol");
+	if(kdef == NULL)
+		goto out;
+
+	static roleDefinition *rdef = NULL;
+	if(rdef == NULL)
+		rdef = getLanguageRoleForName (lang, kdef->id, "aliased");
+	if(rdef == NULL)
+		goto out;
+
+	initForeignRefTagEntry(&e, vStringValue(pArgToken->pszWord)+1,
+						   lang, kdef->id, rdef->id);
+	makeTagEntry(&e);
+
+ out:
 	vStringPut(pArgToken->pszWord, '"');
 }
 

parsers/ldscript.c

@@ -29,10 +29,12 @@
 
 typedef enum {
 	LD_SCRIPT_SYMBOL_ENTRYPOINT,
+	LD_SCRIPT_SYMBOL_ALIASED,
 } ldScriptSymbolRole;
 
 static roleDefinition LdScriptSymbolRoles [] = {
 	{ true, "entrypoint", "entry points" },
+	{ true, "aliased", "aliased with __attribute__((alias(...))) in C/C++ code" },
 };
 
 typedef enum {