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//! Haskell language configuration for the query-driven parser.
use crate::parser::lang_config::{CommentStyle, LanguageConfig};
use dk_core::Visibility;
use tree_sitter::Language;
/// Haskell language configuration for [`QueryDrivenParser`](crate::parser::engine::QueryDrivenParser).
pub struct HaskellConfig;
impl LanguageConfig for HaskellConfig {
fn language(&self) -> Language {
tree_sitter_haskell::LANGUAGE.into()
}
fn extensions(&self) -> &'static [&'static str] {
&["hs"]
}
fn symbols_query(&self) -> &'static str {
include_str!("../queries/haskell_symbols.scm")
}
fn calls_query(&self) -> &'static str {
// Haskell uses whitespace-based function application (not parenthesized
// call expressions), making call extraction impractical via queries.
include_str!("../queries/haskell_calls.scm")
}
fn imports_query(&self) -> &'static str {
include_str!("../queries/haskell_imports.scm")
}
fn comment_style(&self) -> CommentStyle {
// Haskell uses `--` for line comments and `-- |` for Haddock doc
// comments. The `DashDash` variant correctly strips the `--` prefix.
CommentStyle::DashDash
}
fn resolve_visibility(&self, _modifiers: Option<&str>, _name: &str) -> Visibility {
// Haskell visibility is controlled by module export lists, not
// per-definition modifiers. Default everything to Public.
Visibility::Public
}
fn is_external_import(&self, _module_path: &str) -> bool {
// Without Cabal/Stack context, we can't distinguish internal
// vs external modules. Treat all as external.
true
}
}