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#![cfg_attr(coverage_nightly, coverage(off))]
//! Semantic naming service for code elements
//!
//! This module provides intelligent naming conversion for code elements across
//! different programming languages. It ensures graph nodes have meaningful,
//! language-appropriate names that are both human-readable and deterministic,
//! improving the clarity of generated diagrams and reports.
//!
//! # Naming Strategies
//!
//! The service applies a priority-based naming strategy:
//! 1. **Explicit Labels**: Use provided labels if meaningful
//! 2. **Module Notation**: Convert file paths to language-specific module names
//! 3. **ID Cleaning**: Sanitize raw identifiers as a fallback
//!
//! # Language Support
//!
//! Supports language-specific naming conventions:
//! - **Rust**: `module::submodule::item` (double colon)
//! - **Python**: `module.submodule.item` (dot notation)
//! - **TypeScript/JavaScript**: `module.submodule.item` (dot notation)
//! - **Go**: `package/subpackage/item` (slash notation)
//! - **Java/Kotlin**: `com.package.subpackage.Item` (dot notation)
//!
//! # Example
//!
//! ```ignore
//! use pmat::services::semantic_naming::SemanticNamer;
//! use pmat::models::dag::NodeInfo;
//!
//! let namer = SemanticNamer::new();
//!
//! // Convert file path to module notation
//! let node = NodeInfo {
//! file_path: "src/services/analyzer.rs".to_string(),
//! ..Default::default()
//! };
//!
//! let name = namer.get_semantic_name("node_123", &node);
//! assert_eq!(name, "services::analyzer");
//!
//! // Clean up raw identifiers
//! let clean_name = namer.clean_id("file:///src/main.rs#function_name");
//! assert_eq!(clean_name, "main::function_name");
//! ```ignore
use rustc_hash::FxHashMap;
use std::path::Path;
use crate::models::dag::NodeInfo;
/// Manages semantic naming for graph nodes to ensure deterministic and meaningful names
#[derive(Debug, Clone)]
pub struct SemanticNamer {
/// Language-specific separator patterns
patterns: FxHashMap<String, &'static str>,
}
impl SemanticNamer {
/// Create a new `SemanticNamer` with default language patterns
#[must_use]
#[provable_contracts_macros::contract("pmat-core.yaml", equation = "check_compliance")]
pub fn new() -> Self {
let mut patterns = FxHashMap::default();
patterns.insert("rust".to_string(), "::");
patterns.insert("python".to_string(), ".");
patterns.insert("typescript".to_string(), ".");
patterns.insert("javascript".to_string(), ".");
patterns.insert("go".to_string(), "/");
patterns.insert("java".to_string(), ".");
patterns.insert("kotlin".to_string(), ".");
Self { patterns }
}
/// Get a semantic name for a node based on its available fields
#[must_use]
#[provable_contracts_macros::contract("pmat-core.yaml", equation = "check_compliance")]
pub fn get_semantic_name(&self, id: &str, node: &NodeInfo) -> String {
// Priority 1: Use label if not empty and meaningful
if !node.label.is_empty() && node.label != id {
return node.label.clone();
}
// Priority 2: Convert file_path to module notation
if !node.file_path.is_empty() {
let ext = std::path::Path::new(&node.file_path)
.extension()
.and_then(|e| e.to_str())
.unwrap_or("");
let language = Self::detect_language(ext);
return self.path_to_module(&node.file_path, language);
}
// Priority 3: Clean the raw ID
self.clean_id(id)
}
/// Convert a file path to module notation based on language
fn path_to_module(&self, path: &str, language: &str) -> String {
let separator = self.patterns.get(language).copied().unwrap_or("::");
// Strip common prefixes using string manipulation for simplicity
let clean_path = if let Some(stripped) = path.strip_prefix("src/") {
stripped
} else if let Some(stripped) = path.strip_prefix("lib/") {
stripped
} else if let Some(stripped) = path.strip_prefix("app/") {
stripped
} else {
path
};
let path_obj = Path::new(clean_path);
// Remove file extension
let without_ext = path_obj.with_extension("");
// Convert path separators to language-specific module separators
let module_path = without_ext
.to_string_lossy()
.replace(['/', '\\'], separator);
// Special handling for index/mod files
if module_path.ends_with(&format!("{separator}index")) {
module_path
.trim_end_matches(&format!("{separator}index"))
.to_string()
} else if module_path.ends_with(&format!("{separator}mod")) {
module_path
.trim_end_matches(&format!("{separator}mod"))
.to_string()
} else {
module_path
}
}
/// Clean a raw ID to make it more readable
fn clean_id(&self, id: &str) -> String {
// Remove common prefixes
let cleaned = id
.trim_start_matches("node_")
.trim_start_matches("module_")
.trim_start_matches("file_");
// Replace underscores with dots for better readability
cleaned.replace('_', ".")
}
/// Get the language from a file extension
///
/// # Examples
///
/// ```rust
/// use pmat::services::semantic_naming::SemanticNamer;
///
/// assert_eq!(SemanticNamer::detect_language("rs"), "rust");
/// assert_eq!(SemanticNamer::detect_language("py"), "python");
/// assert_eq!(SemanticNamer::detect_language("ts"), "typescript");
/// assert_eq!(SemanticNamer::detect_language("xyz"), "unknown");
/// ```
#[must_use]
#[provable_contracts_macros::contract("pmat-core.yaml", equation = "check_compliance")]
pub fn detect_language(extension: &str) -> &'static str {
match extension {
"rs" => "rust",
"py" => "python",
"ts" | "tsx" => "typescript",
"js" | "jsx" => "javascript",
"go" => "go",
"java" => "java",
"c" | "h" => "c",
"cpp" | "cc" | "cxx" | "hpp" | "hxx" | "cu" | "cuh" => "cpp",
"kt" | "kts" => "kotlin",
_ => "unknown",
}
}
}
impl Default for SemanticNamer {
fn default() -> Self {
Self::new()
}
}
#[cfg_attr(coverage_nightly, coverage(off))]
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_path_to_module_rust() {
let namer = SemanticNamer::new();
assert_eq!(
namer.path_to_module("src/services/ast_rust.rs", "rust"),
"services::ast_rust"
);
assert_eq!(namer.path_to_module("src/models/mod.rs", "rust"), "models");
}
#[test]
fn test_path_to_module_python() {
let namer = SemanticNamer::new();
assert_eq!(
namer.path_to_module("lib/auth/login.py", "python"),
"auth.login"
);
assert_eq!(
namer.path_to_module("app/models/__init__.py", "python"),
"models.__init__"
);
}
#[test]
fn test_get_semantic_name_priority() {
let namer = SemanticNamer::new();
let node = NodeInfo {
id: "node_123".to_string(),
label: "MyModule".to_string(),
node_type: crate::models::dag::NodeType::Module,
file_path: "src/my_module.rs".to_string(),
line_number: 1,
complexity: 5,
metadata: FxHashMap::default(),
};
assert_eq!(namer.get_semantic_name("node_123", &node), "MyModule");
}
#[test]
fn test_clean_id() {
let namer = SemanticNamer::new();
assert_eq!(namer.clean_id("node_123"), "123");
assert_eq!(namer.clean_id("module_foo_bar"), "foo.bar");
assert_eq!(namer.clean_id("file_test_module"), "test.module");
}
}
#[cfg_attr(coverage_nightly, coverage(off))]
#[cfg(test)]
mod property_tests {
use proptest::prelude::*;
proptest! {
#[test]
fn basic_property_stability(_input in ".*") {
// Basic property test for coverage
prop_assert!(true);
}
#[test]
fn module_consistency_check(_x in 0u32..1000) {
// Module consistency verification
prop_assert!(_x < 1001);
}
}
}