Elm: Add support for Elm-Lang via optlib

Units/simple-elm.d/args.ctags

@@ -0,0 +1 @@
+--sort=no

Units/simple-elm.d/expected.tags

@@ -0,0 +1,14 @@
+Main	input.elm	/^port module Main exposing (..)$/;"	m
+Je	input.elm	/^import Json.Encode as Je$/;"	n
+Thing	input.elm	/^type Thing$/;"	t
+One	input.elm	/^    = One$/;"	c	type:Thing
+Two Int	input.elm	/^    | Two Int$/;"	c	type:Thing
+Param a	input.elm	/^type Param a$/;"	t
+Cons a	input.elm	/^    = Cons a$/;"	c	type:Param a
+Other a	input.elm	/^    | Other a$/;"	c	type:Param a
+Num	input.elm	/^type alias Num =$/;"	a
+outward	input.elm	/^port outward : String -> Cmd a$/;"	p
+inward	input.elm	/^port inward : (b -> a) -> Sub a$/;"	p
+foo	input.elm	/^foo a =$/;"	f
+bar	input.elm	/^bar =$/;"	f
+bas	input.elm	/^        bas =$/;"	f	function:bar

Units/simple-elm.d/input.elm

@@ -0,0 +1,38 @@
+port module Main exposing (..)
+
+import List
+import Maybe exposing (withDefault)
+import Json.Encode as Je
+
+
+type Thing
+    = One
+    | Two Int
+
+
+type Param a
+    = Cons a
+    | Other a
+
+
+type alias Num =
+    Int
+
+
+port outward : String -> Cmd a
+
+
+port inward : (b -> a) -> Sub a
+
+
+foo : Int -> Int
+foo a =
+    a + 1
+
+
+bar =
+    let
+        bas =
+            1
+    in
+        bas

docs/news.rst

@@ -46,6 +46,7 @@ The following parsers have been added:
 * Diff
 * DTD
 * DTS
+* Elm *optlib*
 * Falcon
 * Glade *libxml*
 * Go

main/parsers.h

@@ -61,6 +61,7 @@
 	DTSParser, \
 	DosBatchParser, \
 	EiffelParser, \
+  ElmParser, \
 	ErlangParser, \
 	FalconParser, \
 	FlexParser, \

makefiles/translator_input.mak

@@ -1,6 +1,7 @@
 TRANSLATOR_INPUT = \
 	optlib/CoffeeScript.ctags		\
 	optlib/ctags-optlib.ctags		\
+	optlib/elm.ctags		\
 	optlib/gdbinit.ctags			\
 	optlib/man.ctags			\
 	optlib/pod.ctags			\

optlib/elm.c

@@ -0,0 +1,64 @@
+/*
+ * Generated by ./misc/optlib2c from optlib/elm.ctags, Don't edit this manually.
+ */
+#include "general.h"
+#include "parse.h"
+#include "routines.h"
+
+
+static void initializeElmParser (const langType language CTAGS_ATTR_UNUSED)
+{
+}
+
+extern parserDefinition* ElmParser (void)
+{
+	static const char *const extensions [] = {
+		"elm",
+		NULL
+	};
+
+	static const char *const aliases [] = {
+		NULL
+	};
+
+	static const char *const patterns [] = {
+		NULL
+	};
+
+	static tagRegexTable ElmTagRegexTable [] = {
+		{"^(port[[:blank:]]+)?module[[:blank:]]+([[:upper:]][[:alnum:]_.]*)", "\\2",
+		"m,module,Module", "{scope=push}{exclusive}"},
+		{"^import[[:blank:]]+[[:alnum:]_.]+[[:blank:]]+as[[:blank:]]+([[:alnum:]]+)", "\\1",
+		"n,namespace,Renamed Imported Module", "{scope=clear}{exclusive}"},
+		{"^import[[:blank:]]+([[:alnum:]_.]+)[[:blank:]]exposing", "",
+		"", "{scope=clear}{exclusive}"},
+		{"^import[[:blank:]]+([[:alnum:]_.]+)", "",
+		"", "{scope=clear}{exclusive}"},
+		{"^port[[:blank:]]+([[:lower:]][[:alnum:]_]*).*", "\\1",
+		"p,port,Port", "{scope=clear}{exclusive}"},
+		{"^type +([[:upper:]][[:alnum:]_]*.*)", "\\1",
+		"t,type,Type Definition", "{scope=set}{exclusive}"},
+		{"^[[:blank:]]+[|=][[:blank:]]+([[:upper:]][[:alnum:]_]*.*)$", "\\1",
+		"c,constructor,Type Constructor", "{scope=ref}{exclusive}"},
+		{"^type[[:blank:]]+alias[[:blank:]]+([[:upper:]][[:alnum:]_]*[[:blank:][:alnum:]_]*)", "\\1",
+		"a,alias,Type Alias", "{scope=set}{exclusive}"},
+		{"^([[:lower:]_][[:alnum:]_]*)[^=]*=$", "\\1",
+		"f,function,Functions", "{scope=set}"},
+		{"^[[:blank:]]+([[:lower:]_][[:alnum:]_]*)[^=]*=$", "\\1",
+		"f,function,Functions", "{scope=ref}"},
+	};
+
+
+	parserDefinition* const def = parserNew ("elm");
+
+	def->enabled       = true;
+	def->extensions    = extensions;
+	def->patterns      = patterns;
+	def->aliases       = aliases;
+	def->method        = METHOD_NOT_CRAFTED|METHOD_REGEX;
+	def->tagRegexTable = ElmTagRegexTable;
+	def->tagRegexCount = ARRAY_SIZE(ElmTagRegexTable);
+	def->initialize    = initializeElmParser;
+
+	return def;
+}

optlib/elm.ctags

@@ -0,0 +1,35 @@
+#
+#  Copyright (c) 2016, Mark Skipper
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+# USA.
+#
+#
+--langdef=elm
+--map-elm=+.elm
+--regex-elm=/^(port[[:blank:]]+)?module[[:blank:]]+([[:upper:]][[:alnum:]_.]*)/\2/m,module,Module/{scope=push}{exclusive}
+--regex-elm=/^import[[:blank:]]+[[:alnum:]_.]+[[:blank:]]+as[[:blank:]]+([[:alnum:]]+)/\1/n,namespace,Renamed Imported Module/{scope=clear}{exclusive}
+#
+# Following two patterns are just for clearing scope stack.
+# X in "import X" should be captured as a reference tag in the future.
+#
+--regex-elm=/^import[[:blank:]]+([[:alnum:]_.]+)[[:blank:]]exposing///{scope=clear}{exclusive}
+--regex-elm=/^import[[:blank:]]+([[:alnum:]_.]+)///{scope=clear}{exclusive}
+--regex-elm=/^port[[:blank:]]+([[:lower:]][[:alnum:]_]*).*/\1/p,port,Port/{scope=clear}{exclusive}
+--regex-elm=/^type +([[:upper:]][[:alnum:]_]*.*)/\1/t,type,Type Definition/{scope=set}{exclusive}
+--regex-elm=/^[[:blank:]]+[|=][[:blank:]]+([[:upper:]][[:alnum:]_]*.*)$/\1/c,constructor,Type Constructor/{scope=ref}{exclusive}
+--regex-elm=/^type[[:blank:]]+alias[[:blank:]]+([[:upper:]][[:alnum:]_]*[[:blank:][:alnum:]_]*)/\1/a,alias,Type Alias/{scope=set}{exclusive}
+--regex-elm=/^([[:lower:]_][[:alnum:]_]*)[^=]*=$/\1/f,function,Functions/{scope=set}
+--regex-elm=/^[[:blank:]]+([[:lower:]_][[:alnum:]_]*)[^=]*=$/\1/f,function,Functions/{scope=ref}

win32/ctags_vs2013.vcxproj

@@ -107,6 +107,7 @@
     <ClCompile Include="..\parsers\clojure.c" />
     <ClCompile Include="..\parsers\cobol.c" />
     <ClCompile Include="..\optlib\CoffeeScript.c" />
+    <ClCompile Include="..\optlib\elm.c" />
     <ClCompile Include="..\parsers\css.c" />
     <ClCompile Include="..\optlib\ctags-optlib.c" />
     <ClCompile Include="..\main\debug.c" />

win32/ctags_vs2013.vcxproj.filters

@@ -390,6 +390,9 @@
     <ClCompile Include="..\optlib\pod.c">
       <Filter>Source Files\Main</Filter>
     </ClCompile>
+    <ClCompile Include="..\optlib\elm.c">
+      <Filter>Source Files\Main</Filter>
+    </ClCompile>
     <ClCompile Include="..\parsers\protobuf.c">
       <Filter>Source Files\Main</Filter>
     </ClCompile>