Scheme

Declarative tree-sitter query plugin powered by QueryLanguagePlugin (rgctl-lang-runtime) and crates/rgctl-lang-scheme/queries/tags.scm. Compiles once at startup, validates captures against the Tier-2 vocabulary gate, and extracts symbols, container hierarchy (Container::member), imports, and call edges.

Grammar Crate: tree-sitter-scheme
Plugin: QueryLanguagePlugin (rgctl-lang-scheme)
Extensions: .scm, .ss
Discover: rgctl discover . -l scheme
Function Kinds: list
Class / Container Kinds: —

Capture summary

Capture	Patterns	Graph mapping
@_kw	6	Lexical scope capture.
@definition.function	2	Emits SymbolType::Function (acts as caller scope & container).
@definition.module	1	Emits SymbolType::Module (acts as enclosing container).
@name	5	Symbol identifier or target callee/type name.
@reference.call	1	Emits RelationType::Calls from innermost enclosing function to @name.

Query source (`crates/rgctl-lang-scheme/queries/tags.scm`)

; Tier-2 Scheme tags for rgctl.

(list
  . (symbol) @_kw (#any-of? @_kw "define" "define-syntax")
  . (symbol) @name) @definition.function

(list
  . (symbol) @_kw (#eq? @_kw "define")
  . (list . (symbol) @name)) @definition.function

(list
  . (symbol) @_kw (#eq? @_kw "define-library")
  . (list . (symbol) @name)) @definition.module

(list
  . (symbol) @name
  (#not-any-of? @name "define" "define-syntax" "define-library" "library" "lambda" "let" "let*" "letrec" "if" "cond" "begin" "quote" "set!" "import" "export")) @reference.call

Scheme

Capture summary

Query source (crates/rgctl-lang-scheme/queries/tags.scm)

Query source (`crates/rgctl-lang-scheme/queries/tags.scm`)