chore: import upstream snapshot with attribution

internal/parser/languages/hare.go

@@ -0,0 +1,47 @@
+package languages
+
+import (
+	"regexp"
+
+	hareforest "github.com/alexaandru/go-sitter-forest/hare"
+
+	"github.com/zzet/gortex/internal/graph"
+	"github.com/zzet/gortex/internal/parser"
+	"github.com/zzet/gortex/internal/parser/forest"
+)
+
+// Hare migration: forest's walker handles `fn` (function_declaration)
+// and `type X = struct/union/enum` (type_declaration) via the
+// generic suffix matcher. `use X;` imports stay regex.
+var hareUseRe = regexp.MustCompile(`(?m)^\s*use\s+([\w:]+)\s*;`)
+
+type HareExtractor struct {
+	forest *forest.Extractor
+}
+
+func NewHareExtractor() *HareExtractor {
+	return &HareExtractor{
+		forest: forest.New("hare", []string{".ha"}, hareforest.GetLanguage, hareforest.GetQuery),
+	}
+}
+
+func (e *HareExtractor) Language() string     { return "hare" }
+func (e *HareExtractor) Extensions() []string { return []string{".ha"} }
+
+func (e *HareExtractor) Extract(filePath string, src []byte) (*parser.ExtractionResult, error) {
+	res, err := e.forest.Extract(filePath, src)
+	if err != nil {
+		return nil, err
+	}
+	for _, m := range hareUseRe.FindAllSubmatchIndex(src, -1) {
+		mod := string(src[m[2]:m[3]])
+		line := lineAt(src, m[0])
+		res.Edges = append(res.Edges, &graph.Edge{
+			From: filePath, To: "unresolved::import::" + mod,
+			Kind: graph.EdgeImports, FilePath: filePath, Line: line,
+		})
+	}
+	return res, nil
+}
+
+var _ parser.Extractor = (*HareExtractor)(nil)