Add is_dependency() function and [positional-arguments] attribute

syntax/just.vim

@@ -85,7 +85,7 @@ syn region justRecipeAttributes
    \ contains=justRecipeAttr,justRecipeAttrSep,justRecipeAttrArgs,justRecipeAttrArgError
 
 syn keyword justRecipeAttr
-   \ confirm doc group linux macos no-cd no-exit-message no-quiet private unix windows
+   \ confirm doc group linux macos no-cd no-exit-message no-quiet positional-arguments private unix windows
    \ contained
 syn match justRecipeAttrSep ',' contained
 syn region justRecipeAttrArgs matchgroup=justRecipeAttr start='\V(' end='\V)' contained
@@ -229,7 +229,7 @@ syn match justFunctionCall "\v\w+%(\s|\\\n)*\(@=" transparent contains=justBuilt
 
 " error() is intentionally not included in this list
 syn keyword justBuiltInFunction
-   \ absolute_path append arch blake3 blake3_file cache_directory canonicalize capitalize choose clean config_directory config_local_directory data_directory data_local_directory encode_uri_component env env_var env_var_or_default executable_directory extension file_name file_stem home_directory invocation_directory invocation_directory_native join just_executable justfile justfile_directory just_pid kebabcase lowercamelcase lowercase module_directory module_file num_cpus os os_family parent_directory path_exists prepend quote replace replace_regex semver_matches sha256 sha256_file shell shoutykebabcase shoutysnakecase snakecase source_directory source_file titlecase trim trim_end trim_end_match trim_end_matches trim_start trim_start_match trim_start_matches uppercamelcase uppercase uuid without_extension
+   \ absolute_path append arch blake3 blake3_file cache_directory canonicalize capitalize choose clean config_directory config_local_directory data_directory data_local_directory encode_uri_component env env_var env_var_or_default executable_directory extension file_name file_stem home_directory invocation_directory invocation_directory_native is_dependency join just_executable justfile justfile_directory just_pid kebabcase lowercamelcase lowercase module_directory module_file num_cpus os os_family parent_directory path_exists prepend quote replace replace_regex semver_matches sha256 sha256_file shell shoutykebabcase shoutysnakecase snakecase source_directory source_file titlecase trim trim_end trim_end_match trim_end_matches trim_start trim_start_match trim_start_matches uppercamelcase uppercase uuid without_extension
    \ contained
 
 syn match justUserDefinedError "\v%(assert|error)%(%(\s|\\\n)*\()@="

tests/cases/recipes-with-extras.html

@@ -25,6 +25,11 @@
 <span class="Function">dependency3</span> <span class="Identifier">theparam</span><span class="Operator">=</span><span class="Delimiter">(</span><span class="String">'a'</span> <span class="Operator">+</span> (<span class="Conditional">if</span> <span class="Function">env_var_or_default</span>(<span class="String">'FOO'</span>, <span class="Function">blake3_file</span>(<span class="Function">justfile</span>())) <span class="Operator">==</span> <span class="String">'1'</span> { <span class="String">' With Foo'</span>} <span class="Conditional">else</span> { <span class="String">' none '</span> <span class="Operator">+</span> p1 <span class="Operator">/</span> p2 }) <span class="Operator">/</span> <span class="String">'b'</span><span class="Delimiter">)</span><span class="Operator">:</span>
 <span class="Number">  echo </span><span class="Delimiter">{{</span><span class="Function">quote</span><span class="Normal">(</span><span class="Identifier">theparam</span><span class="Normal">)</span><span class="Delimiter">}}</span>
 
+<span class="Function">dependency4</span><span class="Operator">:</span>
+<span class="Number">	echo </span><span class="String">'Is Dependency:'</span><span class="Number"> </span><span class="Delimiter">{{</span><span class="Function">is_dependency</span><span class="Normal">()</span><span class="Delimiter">}}</span>
+
+<span class="Function">test_dependency4</span><span class="Operator">:</span> <span class="Function">dependency4</span>
+
 <span class="Function">test4</span><span class="Operator">:</span> <span class="Delimiter">(</span><span class="Function">dependency2</span> <span class="String">"123"</span>
         <span class="Operator">+</span> <span class="String">'456'</span><span class="Delimiter">)</span>
 <span class="Number">  echo Test</span>
@@ -124,3 +129,7 @@
 <span class="String">'''</span><span class="Type">)]</span>
 <span class="Function">long_doc</span><span class="Operator">:</span>
 <span class="Number">	echo foo foo</span>
+
+<span class="Type">[positional-arguments]</span>
+<span class="Function">positional</span> <span class="Statement">*</span><span class="Identifier">args</span><span class="Operator">:</span>
+<span class="Number">	echo </span><span class="String">"$@"</span>

tests/cases/recipes-with-extras.just

@@ -25,6 +25,11 @@ dependency2 firstparam=("abc\t" / 'def\t\"') secondparam=("""
 dependency3 theparam=('a' + (if env_var_or_default('FOO', blake3_file(justfile())) == '1' { ' With Foo'} else { ' none ' + p1 / p2 }) / 'b'):
   echo {{quote(theparam)}}
 
+dependency4:
+	echo 'Is Dependency:' {{is_dependency()}}
+
+test_dependency4: dependency4
+
 test4: (dependency2 "123"
         + '456')
   echo Test
@@ -124,3 +129,7 @@ not_documented:
 ''')]
 long_doc:
 	echo foo foo
+
+[positional-arguments]
+positional *args:
+	echo "$@"