refactor: std -> core

crates/erg_common/env.rs

@@ -32,14 +32,24 @@ fn _erg_std_path() -> PathBuf {
             fallback_erg_path().join("lib/std")
         })
 }
-fn _erg_std_decl_path() -> PathBuf {
+fn _erg_core_path() -> PathBuf {
     _erg_path()
         .join("lib")
-        .join("std.d")
+        .join("core")
         .canonicalize()
         .unwrap_or_else(|_| {
-            eprintln!("{RED}[ERR] ERG_PATH/lib/std.d not found {RESET}");
-            fallback_erg_path().join("lib/std.d")
+            eprintln!("{RED}[ERR] ERG_PATH/lib/core not found{RESET}");
+            fallback_erg_path().join("lib/core")
+        })
+}
+fn _erg_core_decl_path() -> PathBuf {
+    _erg_path()
+        .join("lib")
+        .join("core.d")
+        .canonicalize()
+        .unwrap_or_else(|_| {
+            eprintln!("{RED}[ERR] ERG_PATH/lib/core.d not found {RESET}");
+            fallback_erg_path().join("lib/core.d")
         })
 }
 fn _erg_pystd_path() -> PathBuf {
@@ -76,8 +86,9 @@ fn _python_site_packages() -> impl Iterator<Item = PathBuf> {
 }
 
 pub static ERG_PATH: OnceLock<PathBuf> = OnceLock::new();
+pub static ERG_CORE_PATH: OnceLock<PathBuf> = OnceLock::new();
+pub static ERG_CORE_DECL_PATH: OnceLock<PathBuf> = OnceLock::new();
 pub static ERG_STD_PATH: OnceLock<PathBuf> = OnceLock::new();
-pub static ERG_STD_DECL_PATH: OnceLock<PathBuf> = OnceLock::new();
 pub static ERG_PYSTD_PATH: OnceLock<PathBuf> = OnceLock::new();
 pub static ERG_EXTERNAL_LIB_PATH: OnceLock<PathBuf> = OnceLock::new();
 pub static PYTHON_SITE_PACKAGES: OnceLock<Vec<PathBuf>> = OnceLock::new();
@@ -87,16 +98,21 @@ pub fn erg_path() -> &'static PathBuf {
     ERG_PATH.get_or_init(|| normalize_path(_erg_path())) // .with(|s| s.clone())
 }
 
+/// == `Path::new("~/.erg/lib/core")` if ERG_PATH is not set
+pub fn erg_core_path() -> &'static PathBuf {
+    ERG_CORE_PATH.get_or_init(|| normalize_path(_erg_core_path()))
+}
+
+/// == `Path::new("~/.erg/lib/core.d")` if ERG_PATH is not set
+pub fn erg_core_decl_path() -> &'static PathBuf {
+    ERG_CORE_DECL_PATH.get_or_init(|| normalize_path(_erg_core_decl_path()))
+}
+
 /// == `Path::new("~/.erg/lib/std")` if ERG_PATH is not set
 pub fn erg_std_path() -> &'static PathBuf {
     ERG_STD_PATH.get_or_init(|| normalize_path(_erg_std_path()))
 }
 
-/// == `Path::new("~/.erg/lib/std.d")` if ERG_PATH is not set
-pub fn erg_std_decl_path() -> &'static PathBuf {
-    ERG_STD_DECL_PATH.get_or_init(|| normalize_path(_erg_std_decl_path()))
-}
-
 /// == `Path::new("~/.erg/lib/pystd")` if ERG_PATH is not set
 pub fn erg_pystd_path() -> &'static PathBuf {
     ERG_PYSTD_PATH.get_or_init(|| normalize_path(_erg_pystd_path()))
@@ -113,7 +129,6 @@ pub fn python_site_packages() -> &'static Vec<PathBuf> {
 
 pub fn is_std_decl_path(path: &Path) -> bool {
     path.starts_with(erg_pystd_path().as_path())
-        || path.starts_with(erg_std_decl_path().as_path())
         || path.starts_with(erg_py_external_lib_path().as_path())
 }
 

crates/erg_compiler/codegen.rs

@@ -6,7 +6,7 @@ use std::process;
 
 use erg_common::cache::CacheSet;
 use erg_common::config::ErgConfig;
-use erg_common::env::erg_std_path;
+use erg_common::env::erg_core_path;
 use erg_common::error::{ErrorDisplay, Location};
 use erg_common::fresh::SharedFreshNameGenerator;
 use erg_common::io::Input;
@@ -3809,7 +3809,7 @@ impl PyCodeGenerator {
         );
         self.emit_load_name_instr(Identifier::private("#path"));
         self.emit_load_method_instr(Identifier::public("append"));
-        self.emit_load_const(erg_std_path().to_str().unwrap());
+        self.emit_load_const(erg_core_path().to_str().unwrap());
         self.emit_call_instr(1, BoundAttr);
         self.stack_dec();
         self.emit_pop_top();

crates/erg_compiler/context/initialize/mod.rs

@@ -15,7 +15,7 @@ use std::path::PathBuf;
 use erg_common::config::ErgConfig;
 use erg_common::consts::{DEBUG_MODE, ERG_MODE, PYTHON_MODE};
 use erg_common::dict;
-use erg_common::env::{erg_pystd_path, erg_std_decl_path};
+use erg_common::env::{erg_core_decl_path, erg_pystd_path};
 use erg_common::error::Location;
 #[allow(unused_imports)]
 use erg_common::log;
@@ -729,7 +729,7 @@ impl Context {
         let module = if &self.name[..] == "<builtins>" {
             builtins_path()
         } else {
-            erg_std_decl_path().join(format!("{}.d.er", self.name))
+            erg_core_decl_path().join(format!("{}.d.er", self.name))
         };
         let abs_loc = AbsLocation::new(Some(module.into()), loc);
         self.register_builtin_impl(name, t, muty, vis, py_name, abs_loc);

crates/erg_compiler/context/initialize/traits.rs

@@ -14,7 +14,7 @@ use DefaultInfo::*;
 use Mutability::*;
 
 impl Context {
-    /// see std/prelude.er
+    /// see core/prelude.er
     /// All type boundaries are defined in each subroutine
     /// `push_subtype_bound`, etc. are used for type boundary determination in user-defined APIs
     // 型境界はすべて各サブルーチンで定義する

crates/erg_compiler/transpile.rs

@@ -433,29 +433,29 @@ impl PyScriptGenerator {
     // TODO: name escaping
     fn load_range_ops_if_not(&mut self) {
         if !self.range_ops_loaded {
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_result.py"));
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_int.py"));
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_nat.py"));
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_str.py"));
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_range.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_result.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_int.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_nat.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_str.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_range.py"));
             self.range_ops_loaded = true;
         }
     }
 
     fn load_contains_op_if_not(&mut self) {
         if !self.contains_op_loaded {
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_result.py"));
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_range.py"));
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_type.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_result.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_range.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_type.py"));
             self.prelude +=
-                &Self::replace_import(include_str!("lib/std/_erg_contains_operator.py"));
+                &Self::replace_import(include_str!("lib/core/_erg_contains_operator.py"));
             self.contains_op_loaded = true;
         }
     }
 
     fn load_mutate_op_if_not(&mut self) {
         if !self.mutate_op_loaded {
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_mutate_operator.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_mutate_operator.py"));
             self.mutate_op_loaded = true;
         }
     }
@@ -465,15 +465,15 @@ impl PyScriptGenerator {
             self.load_builtin_controls_if_not();
             self.load_contains_op_if_not();
             if self.range_ops_loaded {
-                self.prelude += &Self::replace_import(include_str!("lib/std/_erg_float.py"));
-                self.prelude += &Self::replace_import(include_str!("lib/std/_erg_array.py"));
+                self.prelude += &Self::replace_import(include_str!("lib/core/_erg_float.py"));
+                self.prelude += &Self::replace_import(include_str!("lib/core/_erg_array.py"));
             } else {
-                self.prelude += &Self::replace_import(include_str!("lib/std/_erg_int.py"));
-                self.prelude += &Self::replace_import(include_str!("lib/std/_erg_nat.py"));
-                self.prelude += &Self::replace_import(include_str!("lib/std/_erg_bool.py"));
-                self.prelude += &Self::replace_import(include_str!("lib/std/_erg_str.py"));
-                self.prelude += &Self::replace_import(include_str!("lib/std/_erg_float.py"));
-                self.prelude += &Self::replace_import(include_str!("lib/std/_erg_array.py"));
+                self.prelude += &Self::replace_import(include_str!("lib/core/_erg_int.py"));
+                self.prelude += &Self::replace_import(include_str!("lib/core/_erg_nat.py"));
+                self.prelude += &Self::replace_import(include_str!("lib/core/_erg_bool.py"));
+                self.prelude += &Self::replace_import(include_str!("lib/core/_erg_str.py"));
+                self.prelude += &Self::replace_import(include_str!("lib/core/_erg_float.py"));
+                self.prelude += &Self::replace_import(include_str!("lib/core/_erg_array.py"));
             }
             self.builtin_types_loaded = true;
         }
@@ -481,14 +481,14 @@ impl PyScriptGenerator {
 
     fn load_builtin_controls_if_not(&mut self) {
         if !self.builtin_control_loaded {
-            self.prelude += include_str!("lib/std/_erg_control.py");
+            self.prelude += include_str!("lib/core/_erg_control.py");
             self.builtin_control_loaded = true;
         }
     }
 
     fn load_convertors_if_not(&mut self) {
         if !self.convertors_loaded {
-            self.prelude += &Self::replace_import(include_str!("lib/std/_erg_convertors.py"));
+            self.prelude += &Self::replace_import(include_str!("lib/core/_erg_convertors.py"));
             self.convertors_loaded = true;
         }
     }