chore: support meta-commands + add tests

Makefile

@@ -88,7 +88,7 @@ $(BUILD_DIR)gp_types.tsv:
 	$(call get_gp_list,'Type','\\t',tail -n+2 |,)
 
 $(BUILD_DIR)gp_support_commands.tsv:
-	$(call get_gp_list,'MetaCommand','?\\',tail -n+1 | cut -d'{' -f1 |,-I@ echo '\@')
+	$(call get_gp_list,'MetaCommand','?\\',tail -n+3 | cut -d'{' -f1 |,-I@ echo '\@')
 
 GP_ITEMS := commands member_functions types support_commands
 $(BUILD_DIR)gp_builtins.json: $(foreach item,$(GP_ITEMS),$(BUILD_DIR)gp_$(item).tsv)

src/main.YAML-tmLanguage

@@ -64,6 +64,7 @@ repository:
             - include: "#braces"
             - include: "#brackets"
             - include: "#functions"
+            - include: '#meta-commands'
             - include: "#type-hints"
             - include: "#literals"
             - include: "#operators"

src/support.YAML-tmLanguage.j2

@@ -0,0 +1,10 @@
+# yamllint disable rule:line-length
+---
+repository:
+    meta-commands:
+        patterns:
+            -
+                match: '^\s*(##(?!\b)|#(?!\b)|\{{ scopes["support.function"] | join("|\\") }})'
+                captures:
+                    1:
+                        name: support.function.parigp

tests/other.test.gp

@@ -0,0 +1,21 @@
+## SYNTAX TEST "source.parigp" "Functions"
+
+  [(x) -> x, 1]
+##^ source.parigp meta.brackets.parigp punctuation.section.brackets.begin.parigp
+## ^ source.parigp meta.brackets.parigp meta.parens.parigp punctuation.section.parens.begin.parigp
+##  ^ source.parigp meta.brackets.parigp meta.parens.parigp variable.name.parigp
+##   ^ source.parigp meta.brackets.parigp meta.parens.parigp punctuation.section.parens.end.parigp
+##    ^  ^  ^ source.parigp meta.brackets.parigp constant.character.whitespace.parigp
+##     ^^ source.parigp meta.brackets.parigp keyword.operator.lambda
+##        ^ source.parigp meta.brackets.parigp variable.name.parigp
+##         ^ source.parigp meta.brackets.parigp markup.punctuation.separator.parigp
+##           ^ source.parigp meta.brackets.parigp constant.numeric.int.parigp
+##            ^ source.parigp meta.brackets.parigp punctuation.section.brackets.end.parigp
+
+  \q
+##^^ source.parigp support.function.parigp
+
+  \w "output.txt"
+##^^ source.parigp support.function.parigp
+##  ^ source.parigp constant.character.whitespace.parigp
+##   ^^^^^^^^^^^^ source.parigp constant.character.escape.parigp