Tier 2 · Declarative tags.scm

R

Declarative tree-sitter query plugin powered by QueryLanguagePlugin (rgctl-lang-runtime) and crates/rgctl-lang-r/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-r
Plugin: QueryLanguagePlugin (rgctl-lang-r)
Extensions: .r, .R
Discover: rgctl discover . -l r
Function Kinds: function_definition
Class / Container Kinds: —

Capture summary

Capture	Patterns	Graph mapping
@definition.function	2	Emits SymbolType::Function (acts as caller scope & container).
@name	3	Symbol identifier or target callee/type name.
@reference.call	1	Emits RelationType::Calls from innermost enclosing function to @name.

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

; Tier-2 R tags for rgctl (`handler = "queries"`).

(binary_operator
    lhs: (identifier) @name
    operator: "<-"
    rhs: (function_definition)
) @definition.function

(binary_operator
    lhs: (identifier) @name
    operator: "="
    rhs: (function_definition)
) @definition.function

(call
    function: (identifier) @name
) @reference.call

R

Capture summary

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

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