diff --git a/crates/cairo-lang-doc/src/documentable_formatter.rs b/crates/cairo-lang-doc/src/documentable_formatter.rs
index f41bbfd60ac..6a0b8e53b58 100644
--- a/crates/cairo-lang-doc/src/documentable_formatter.rs
+++ b/crates/cairo-lang-doc/src/documentable_formatter.rs
@@ -34,16 +34,7 @@ use salsa::Database;
 
 use crate::documentable_item::DocumentableItemId;
 use crate::location_links::{LocationLink, format_signature};
-use crate::signature_data::{
-    DocumentableItemSignatureData, get_constant_signature_data, get_enum_signature_data,
-    get_extern_function_full_signature, get_extern_type_full_signature,
-    get_free_function_signature_data, get_impl_alias_signature_data,
-    get_impl_constant_signature_data, get_impl_def_signature_data,
-    get_impl_function_signature_data, get_impl_type_def_full_signature, get_member_signature_data,
-    get_module_type_alias_full_signature, get_struct_signature_data,
-    get_trait_const_signature_data, get_trait_function_signature_data, get_trait_signature_data,
-    get_trait_type_full_signature,
-};
+use crate::signature_data::{DocumentableItemSignatureData, SignatureDataRetriever};
 use crate::signature_errors::SignatureError;
 
 /// Used for indenting children items of complex data type signature, e.g., struct members.
@@ -242,7 +233,7 @@ impl<'db> HirDisplay<'db> for VariantId<'db> {
 
 impl<'db> HirDisplay<'db> for EnumId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let enum_full_signature = get_enum_signature_data(f.db, *self)?;
+        let enum_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write!(
             f,
             "{}enum {} {{",
@@ -284,7 +275,7 @@ impl<'db> HirDisplay<'db> for EnumId<'db> {
 
 impl<'db> HirDisplay<'db> for MemberId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let member_full_signature = get_member_signature_data(f.db, *self)?;
+        let member_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         if let Some(return_type) = member_full_signature.return_type {
             if return_type.is_unit(f.db) {
                 write!(
@@ -314,7 +305,7 @@ impl<'db> HirDisplay<'db> for MemberId<'db> {
 
 impl<'db> HirDisplay<'db> for StructId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let struct_full_signature = get_struct_signature_data(f.db, *self)?;
+        let struct_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         if let Some(attributes) = struct_full_signature.attributes {
             write_struct_attributes_syntax(attributes, f).map_err(|_| {
                 SignatureError::FailedWritingSignature(struct_full_signature.full_path.clone())
@@ -367,7 +358,7 @@ impl<'db> HirDisplay<'db> for StructId<'db> {
 
 impl<'db> HirDisplay<'db> for FreeFunctionId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let free_function_full_signature = get_free_function_signature_data(f.db, *self)?;
+        let free_function_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write_function_signature(f, free_function_full_signature, "".to_string())
             .map_err(|_| SignatureError::FailedWritingSignature(self.full_path(f.db)))?;
         f.format();
@@ -377,7 +368,7 @@ impl<'db> HirDisplay<'db> for FreeFunctionId<'db> {
 
 impl<'db> HirDisplay<'db> for ConstantId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let constant_full_signature = get_constant_signature_data(f.db, *self)?;
+        let constant_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write!(
             f,
             "{}const {}: ",
@@ -441,7 +432,7 @@ impl<'db> HirDisplay<'db> for ConstantId<'db> {
 
 impl<'db> HirDisplay<'db> for ImplConstantDefId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let constant_full_signature = get_impl_constant_signature_data(f.db, *self)?;
+        let constant_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         if let Some(return_type) = constant_full_signature.return_type {
             f.write_type(
                 Some(&format!("const {}: ", constant_full_signature.name.long(f.db))),
@@ -463,7 +454,7 @@ impl<'db> HirDisplay<'db> for ImplConstantDefId<'db> {
 
 impl<'db> HirDisplay<'db> for TraitFunctionId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let trait_function_full_signature = get_trait_function_signature_data(f.db, *self)?;
+        let trait_function_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write_function_signature(f, trait_function_full_signature, "".to_string())
             .map_err(|_| SignatureError::FailedWritingSignature(self.full_path(f.db)))?;
         f.format();
@@ -473,7 +464,7 @@ impl<'db> HirDisplay<'db> for TraitFunctionId<'db> {
 
 impl<'db> HirDisplay<'db> for ImplFunctionId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let impl_function_full_signature = get_impl_function_signature_data(f.db, *self)?;
+        let impl_function_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write_function_signature(f, impl_function_full_signature, "".to_string())
             .map_err(|_| SignatureError::FailedWritingSignature(self.full_path(f.db)))?;
         f.format();
@@ -483,7 +474,7 @@ impl<'db> HirDisplay<'db> for ImplFunctionId<'db> {
 
 impl<'db> HirDisplay<'db> for TraitId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let trait_full_signature = get_trait_signature_data(f.db, *self)?;
+        let trait_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write!(
             f,
             "{}trait {}",
@@ -505,7 +496,7 @@ impl<'db> HirDisplay<'db> for TraitId<'db> {
 
 impl<'db> HirDisplay<'db> for TraitConstantId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let trait_const_full_signature = get_trait_const_signature_data(f.db, *self)?;
+        let trait_const_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         if let Some(return_type) = trait_const_full_signature.return_type {
             write!(
                 f,
@@ -526,7 +517,7 @@ impl<'db> HirDisplay<'db> for TraitConstantId<'db> {
 
 impl<'db> HirDisplay<'db> for ImplDefId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let impl_def_full_signature = get_impl_def_signature_data(f.db, *self)?;
+        let impl_def_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         let trait_id = f.db.impl_def_trait(*self).map_err(|_| {
             SignatureError::FailedRetrievingSemanticData(impl_def_full_signature.full_path.clone())
         })?;
@@ -560,7 +551,7 @@ impl<'db> HirDisplay<'db> for ImplDefId<'db> {
 
 impl<'db> HirDisplay<'db> for ImplAliasId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let impl_alias_full_signature = get_impl_alias_signature_data(f.db, *self)?;
+        let impl_alias_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write!(
             f,
             "{}impl {} = ",
@@ -580,7 +571,7 @@ impl<'db> HirDisplay<'db> for ImplAliasId<'db> {
 
 impl<'db> HirDisplay<'db> for ModuleTypeAliasId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let module_type_alias_full_signature = get_module_type_alias_full_signature(f.db, *self)?;
+        let module_type_alias_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write_type_signature(f, module_type_alias_full_signature, false)
             .map_err(|_| SignatureError::FailedWritingSignature(self.full_path(f.db)))?;
         f.format();
@@ -590,7 +581,7 @@ impl<'db> HirDisplay<'db> for ModuleTypeAliasId<'db> {
 
 impl<'db> HirDisplay<'db> for TraitTypeId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let trait_type_full_signature = get_trait_type_full_signature(f.db, *self)?;
+        let trait_type_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write_type_signature(f, trait_type_full_signature, false)
             .map_err(|_| SignatureError::FailedWritingSignature(self.full_path(f.db)))?;
         f.format();
@@ -600,7 +591,7 @@ impl<'db> HirDisplay<'db> for TraitTypeId<'db> {
 
 impl<'db> HirDisplay<'db> for ImplTypeDefId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let impl_type_def_full_signature = get_impl_type_def_full_signature(f.db, *self)?;
+        let impl_type_def_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write_type_signature(f, impl_type_def_full_signature, false)
             .map_err(|_| SignatureError::FailedWritingSignature(self.full_path(f.db)))?;
         f.format();
@@ -610,7 +601,7 @@ impl<'db> HirDisplay<'db> for ImplTypeDefId<'db> {
 
 impl<'db> HirDisplay<'db> for ExternTypeId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let extern_type_full_signature = get_extern_type_full_signature(f.db, *self)?;
+        let extern_type_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         write_type_signature(f, extern_type_full_signature, true)
             .map_err(|_| SignatureError::FailedWritingSignature(self.full_path(f.db)))?;
         f.format();
@@ -620,7 +611,7 @@ impl<'db> HirDisplay<'db> for ExternTypeId<'db> {
 
 impl<'db> HirDisplay<'db> for ExternFunctionId<'db> {
     fn hir_fmt(&self, f: &mut HirFormatter<'db>) -> Result<(), SignatureError> {
-        let extern_function_full_signature = get_extern_function_full_signature(f.db, *self)?;
+        let extern_function_full_signature = Self::retrieve_signature_data(f.db, *self)?;
         let signature = match f.db.extern_function_signature(*self) {
             Ok(signature) => signature,
             _ => {
diff --git a/crates/cairo-lang-doc/src/signature_data.rs b/crates/cairo-lang-doc/src/signature_data.rs
index bf1a5f149dd..c4eff4befde 100644
--- a/crates/cairo-lang-doc/src/signature_data.rs
+++ b/crates/cairo-lang-doc/src/signature_data.rs
@@ -31,23 +31,75 @@ use crate::documentable_item::DocumentableItemId::Member;
 use crate::signature_errors::SignatureError;
 
 /// A helper struct gathering documentable item's signature data.
-pub(crate) struct DocumentableItemSignatureData<'db> {
-    pub(crate) item_id: DocumentableItemId<'db>,
-    pub(crate) name: SmolStrId<'db>,
-    pub(crate) visibility: Visibility,
-    pub(crate) generic_args: Option<Vec<GenericArgumentId<'db>>>,
-    pub(crate) generic_params: Option<Vec<GenericParam<'db>>>,
-    pub(crate) variants: Option<Vec<(SmolStrId<'db>, TypeId<'db>)>>,
-    pub(crate) members: Option<Vec<(SmolStrId<'db>, TypeId<'db>, Visibility)>>,
-    pub(crate) return_type: Option<TypeId<'db>>,
-    pub(crate) attributes: Option<Vec<Attribute<'db>>>,
-    pub(crate) params: Option<Vec<Parameter<'db>>>,
-    pub(crate) resolver_generic_params: Option<Vec<GenericParamId<'db>>>,
-    pub(crate) return_value_expr: Option<Expr<'db>>,
-    pub(crate) full_path: String,
+pub struct DocumentableItemSignatureData<'db> {
+    /// The item's identifier.
+    pub item_id: DocumentableItemId<'db>,
+    /// The item's simple name (last segment of its full path).
+    pub name: SmolStrId<'db>,
+    /// Visibility qualifier.
+    pub visibility: Visibility,
+    /// Concrete generic arguments applied to the item.
+    pub generic_args: Option<Vec<GenericArgumentId<'db>>>,
+    /// Generic parameters declared by the item.
+    pub generic_params: Option<Vec<GenericParam<'db>>>,
+    /// Enum variants for enum items: a list of pairs `(variant_name, variant_type)`.
+    pub variants: Option<Vec<(SmolStrId<'db>, TypeId<'db>)>>,
+    /// Struct members for struct items: a list of triples `(member_name, member_type,
+    /// visibility)`.
+    pub members: Option<Vec<(SmolStrId<'db>, TypeId<'db>, Visibility)>>,
+    /// Return type for function-like items.
+    pub return_type: Option<TypeId<'db>>,
+    /// Attributes attached to the item.
+    pub attributes: Option<Vec<Attribute<'db>>>,
+    /// Parameters for function-like items.
+    pub params: Option<Vec<Parameter<'db>>>,
+    /// Generic parameters coming from the resolver context.
+    pub resolver_generic_params: Option<Vec<GenericParamId<'db>>>,
+    /// The value expression for constant-like items.
+    pub return_value_expr: Option<Expr<'db>>,
+    /// Fully qualified path to the item.
+    pub full_path: String,
 }
 
-/// A utility function, retrieves [`ModuleItemInfo`] for [`ModuleItemId`].
+pub trait SignatureDataRetriever<'db, T> {
+    fn retrieve_signature_data(
+        db: &'db dyn Database,
+        item_id: T,
+    ) -> Result<DocumentableItemSignatureData<'db>, SignatureError>;
+}
+
+macro_rules! implement_signature_data_retriever {
+    ($t:ty, $function:expr) => {
+        impl<'db> SignatureDataRetriever<'db, $t> for $t {
+            fn retrieve_signature_data(
+                db: &'db dyn Database,
+                item_id: $t,
+            ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
+                $function(db, item_id)
+            }
+        }
+    };
+}
+
+implement_signature_data_retriever!(ExternTypeId<'db>, get_extern_type_full_signature);
+implement_signature_data_retriever!(ConstantId<'db>, get_constant_signature_data);
+implement_signature_data_retriever!(EnumId<'db>, get_enum_signature_data);
+implement_signature_data_retriever!(FreeFunctionId<'db>, get_free_function_signature_data);
+implement_signature_data_retriever!(ImplFunctionId<'db>, get_impl_function_signature_data);
+implement_signature_data_retriever!(MemberId<'db>, get_member_signature_data);
+implement_signature_data_retriever!(StructId<'db>, get_struct_signature_data);
+implement_signature_data_retriever!(TraitFunctionId<'db>, get_trait_function_signature_data);
+implement_signature_data_retriever!(TraitId<'db>, get_trait_signature_data);
+implement_signature_data_retriever!(ImplTypeDefId<'db>, get_impl_type_def_full_signature);
+implement_signature_data_retriever!(ModuleTypeAliasId<'db>, get_module_type_alias_full_signature);
+implement_signature_data_retriever!(TraitConstantId<'db>, get_trait_const_signature_data);
+implement_signature_data_retriever!(TraitTypeId<'db>, get_trait_type_full_signature);
+implement_signature_data_retriever!(ImplDefId<'db>, get_impl_def_signature_data);
+implement_signature_data_retriever!(ImplAliasId<'db>, get_impl_alias_signature_data);
+implement_signature_data_retriever!(ExternFunctionId<'db>, get_extern_function_full_signature);
+implement_signature_data_retriever!(ImplConstantDefId<'db>, get_impl_constant_signature_data);
+
+/// A utility function that retrieves [`ModuleItemInfo`] for [`ModuleItemId`].
 fn get_module_item_info<'db>(
     db: &'db dyn Database,
     module_item_id: ModuleItemId<'db>,
@@ -66,7 +118,7 @@ fn get_module_item_info<'db>(
 
 /// Retrieves data for enum signature formatting. Returns [`SignatureError`] if any relevant data
 /// could not be retrieved from db.
-pub(crate) fn get_enum_signature_data<'db>(
+fn get_enum_signature_data<'db>(
     db: &'db dyn Database,
     item_id: EnumId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -102,7 +154,7 @@ pub(crate) fn get_enum_signature_data<'db>(
 }
 
 /// Retrieves data for struct signature formatting.
-pub(crate) fn get_struct_signature_data<'db>(
+fn get_struct_signature_data<'db>(
     db: &'db dyn Database,
     item_id: StructId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -142,7 +194,7 @@ pub(crate) fn get_struct_signature_data<'db>(
 }
 
 /// Retrieves data for member signature formatting.
-pub(crate) fn get_member_signature_data<'db>(
+fn get_member_signature_data<'db>(
     db: &'db dyn Database,
     item_id: MemberId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -175,7 +227,7 @@ pub(crate) fn get_member_signature_data<'db>(
 }
 
 /// Retrieves data for free function signature formatting.
-pub(crate) fn get_free_function_signature_data<'db>(
+fn get_free_function_signature_data<'db>(
     db: &'db dyn Database,
     item_id: FreeFunctionId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -214,7 +266,7 @@ pub(crate) fn get_free_function_signature_data<'db>(
 }
 
 /// Retrieves data for trait function signature formatting.
-pub(crate) fn get_trait_function_signature_data<'db>(
+fn get_trait_function_signature_data<'db>(
     db: &'db dyn Database,
     item_id: TraitFunctionId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -263,7 +315,7 @@ pub(crate) fn get_trait_function_signature_data<'db>(
 }
 
 /// Retrieves data for impl function signature formatting.
-pub(crate) fn get_impl_function_signature_data<'db>(
+fn get_impl_function_signature_data<'db>(
     db: &'db dyn Database,
     item_id: ImplFunctionId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -293,7 +345,7 @@ pub(crate) fn get_impl_function_signature_data<'db>(
 }
 
 /// Retrieves data for constant signature formatting.
-pub(crate) fn get_constant_signature_data<'db>(
+fn get_constant_signature_data<'db>(
     db: &'db dyn Database,
     item_id: ConstantId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -324,7 +376,7 @@ pub(crate) fn get_constant_signature_data<'db>(
 }
 
 /// Retrieves data for impl constant signature formatting.
-pub(crate) fn get_impl_constant_signature_data<'db>(
+fn get_impl_constant_signature_data<'db>(
     db: &'db dyn Database,
     item_id: ImplConstantDefId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -352,7 +404,7 @@ pub(crate) fn get_impl_constant_signature_data<'db>(
 }
 
 /// Retrieves data for trait signature formatting.
-pub(crate) fn get_trait_signature_data<'db>(
+fn get_trait_signature_data<'db>(
     db: &'db dyn Database,
     item_id: TraitId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -381,7 +433,7 @@ pub(crate) fn get_trait_signature_data<'db>(
 }
 
 /// Retrieves data for trait const signature formatting.
-pub(crate) fn get_trait_const_signature_data<'db>(
+fn get_trait_const_signature_data<'db>(
     db: &'db dyn Database,
     item_id: TraitConstantId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -411,7 +463,7 @@ pub(crate) fn get_trait_const_signature_data<'db>(
 }
 
 /// Retrieves data for implementation signature formatting.
-pub(crate) fn get_impl_def_signature_data<'db>(
+fn get_impl_def_signature_data<'db>(
     db: &'db dyn Database,
     item_id: ImplDefId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -445,7 +497,7 @@ pub(crate) fn get_impl_def_signature_data<'db>(
 }
 
 /// Retrieves data for alias signature formatting.
-pub(crate) fn get_impl_alias_signature_data<'db>(
+fn get_impl_alias_signature_data<'db>(
     db: &'db dyn Database,
     item_id: ImplAliasId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -472,7 +524,7 @@ pub(crate) fn get_impl_alias_signature_data<'db>(
 }
 
 /// Retrieves data for type alias signature formatting.
-pub(crate) fn get_module_type_alias_full_signature<'db>(
+fn get_module_type_alias_full_signature<'db>(
     db: &'db dyn Database,
     item_id: ModuleTypeAliasId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -507,7 +559,7 @@ pub(crate) fn get_module_type_alias_full_signature<'db>(
 }
 
 /// Retrieves data for trait type signature formatting.
-pub(crate) fn get_trait_type_full_signature<'db>(
+fn get_trait_type_full_signature<'db>(
     db: &'db dyn Database,
     item_id: TraitTypeId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -533,7 +585,7 @@ pub(crate) fn get_trait_type_full_signature<'db>(
 }
 
 /// Retrieves data for type signature formatting.
-pub(crate) fn get_impl_type_def_full_signature<'db>(
+fn get_impl_type_def_full_signature<'db>(
     db: &'db dyn Database,
     item_id: ImplTypeDefId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -563,7 +615,7 @@ pub(crate) fn get_impl_type_def_full_signature<'db>(
 }
 
 /// Retrieves data for extern type signature formatting.
-pub(crate) fn get_extern_type_full_signature<'db>(
+fn get_extern_type_full_signature<'db>(
     db: &'db dyn Database,
     item_id: ExternTypeId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {
@@ -594,7 +646,7 @@ pub(crate) fn get_extern_type_full_signature<'db>(
 }
 
 /// Retrieves data for extern function signature formatting.
-pub(crate) fn get_extern_function_full_signature<'db>(
+fn get_extern_function_full_signature<'db>(
     db: &'db dyn Database,
     item_id: ExternFunctionId<'db>,
 ) -> Result<DocumentableItemSignatureData<'db>, SignatureError> {