fix: path canonicalization for parse file API

kclvm/api/src/service/service_impl.rs

@@ -9,7 +9,7 @@ use kcl_language_server::rename;
 use kclvm_config::settings::build_settings_pathbuf;
 use kclvm_loader::option::list_options;
 use kclvm_loader::{load_packages_with_cache, LoadPackageOptions};
-use kclvm_parser::entry::get_normalized_k_files_from_paths;
+use kclvm_parser::entry::{canonicalize_input_file, get_normalized_k_files_from_paths};
 use kclvm_parser::load_program;
 use kclvm_parser::parse_single_file;
 use kclvm_parser::KCLModuleCache;
@@ -180,7 +180,8 @@ impl KclvmServiceImpl {
     /// assert_eq!(result.deps.len(), 2);
     /// ```
     pub fn parse_file(&self, args: &ParseFileArgs) -> anyhow::Result<ParseFileResult> {
-        let result = parse_single_file(&args.path, transform_str_para(&args.source))?;
+        let file = canonicalize_input_file(&args.path, "");
+        let result = parse_single_file(&file, transform_str_para(&args.source))?;
         let ast_json = serde_json::to_string(&result.module)?;
 
         Ok(ParseFileResult {

kclvm/parser/src/entry.rs

@@ -527,7 +527,7 @@ fn is_ignored_file(filename: &str) -> bool {
 }
 
 /// Normalize the input file with the working directory and replace ${KCL_MOD} with the module root path.
-fn canonicalize_input_file(file: &str, work_dir: &str) -> String {
+pub fn canonicalize_input_file(file: &str, work_dir: &str) -> String {
     let path = std::path::Path::new(file);
     let is_absolute = path.is_absolute();
     // If the input file or path is a relative path and it is not a absolute path in the KCL module VFS,

kclvm/parser/src/file_graph.rs

@@ -29,7 +29,7 @@ pub struct Pkg {
 pub type PkgMap = HashMap<PkgFile, Pkg>;
 
 /// A graph of files, where each file depends on zero or more other files.
-#[derive(Default)]
+#[derive(Default, Debug)]
 pub struct PkgFileGraph {
     graph: StableDiGraph<PkgFile, ()>,
     path_to_node_index: IndexMap<PkgFile, petgraph::graph::NodeIndex>,