RustPython · DimitrisJim · Feb 25, 2023 · Feb 25, 2023 · Feb 25, 2023 · Feb 25, 2023
diff --git a/Cargo.lock b/Cargo.lock
diff --git a/common/Cargo.toml b/common/Cargo.toml
@@ -10,6 +10,10 @@ license = "MIT"
 [features]
 threading = ["parking_lot"]
 
+[build-dependencies]
+anyhow = { workspace = true }
+phf_codegen = "0.11.1"
+
 [dependencies]
 ascii = { workspace = true }
 bitflags = { workspace = true }
@@ -27,6 +31,7 @@ hexf-parse = "0.2.1"
 lexical-parse-float = { version = "0.8.0", features = ["format"] }
 lock_api = "0.4"
 radium = "0.7"
+phf = "0.11.1"
 siphasher = "0.3"
 unic-ucd-category = "0.9"
 volatile = "0.3"

diff --git a/common/build.rs b/common/build.rs
diff --git a/common/src/lib.rs b/common/src/lib.rs
@@ -24,6 +24,7 @@ pub mod rc;
 pub mod refcount;
 pub mod static_cell;
 pub mod str;
+pub mod unicode_aliases;
 #[cfg(windows)]
 pub mod windows;
 

diff --git a/common/src/unicode_aliases.rs b/common/src/unicode_aliases.rs
@@ -0,0 +1,24 @@
+//! Unicode aliases.
+//!
+//! This module contains a map of unicode aliases to their corresponding values. The map is generated
+//! from the [NamesList.txt] file in the Unicode Character Database.
+//!
+//! [NamesList.txt]: https://www.unicode.org/Public/14.0.0/ucd/NameAliases.txt
+
+// generated in build.rs, in gen_unicode_aliases()
+/// A map of unicode aliases to their corresponding values.
+static ALIASES: phf::Map<&'static str, char> = include!(concat!(env!("OUT_DIR"), "/aliases.rs"));
+
+/// Get alias value from alias name, returns `None` if the alias is not found.
+///
+/// # Examples
+///
+/// ```
+/// use rustpython_common::unicode_aliases::unicode_alias;
+///
+/// assert_eq!(unicode_alias("NEW LINE"), Some('\n'));
+/// assert_eq!(unicode_alias("BACKSPACE"), Some('\u{8}'));
+/// assert_eq!(unicode_alias("NOT AN ALIAS"), None);
+pub fn unicode_alias(alias: &str) -> Option<char> {
+    ALIASES.get(alias).copied()
+}
diff --git a/compiler/parser/Cargo.toml b/compiler/parser/Cargo.toml
@@ -20,6 +20,7 @@ tiny-keccak = { version = "2", features = ["sha3"] }
 [dependencies]
 rustpython-ast = { path = "../ast", version = "0.2.0" }
 rustpython-compiler-core = { path = "../core", version = "0.2.0" }
+rustpython-common = { path = "../../common" }
 
 ahash = { workspace = true }
 itertools = { workspace = true }

diff --git a/compiler/parser/src/snapshots/rustpython_parser__string__tests__backspace_alias.snap b/compiler/parser/src/snapshots/rustpython_parser__string__tests__backspace_alias.snap
diff --git a/compiler/parser/src/snapshots/rustpython_parser__string__tests__bell_alias.snap b/compiler/parser/src/snapshots/rustpython_parser__string__tests__bell_alias.snap
diff --git a/compiler/parser/src/snapshots/rustpython_parser__string__tests__carriage_return_alias.snap b/compiler/parser/src/snapshots/rustpython_parser__string__tests__carriage_return_alias.snap
diff --git a/...hots/rustpython_parser__string__tests__character_tabulation_with_justification_alias.snap b/...hots/rustpython_parser__string__tests__character_tabulation_with_justification_alias.snap
diff --git a/compiler/parser/src/snapshots/rustpython_parser__string__tests__delete_alias.snap b/compiler/parser/src/snapshots/rustpython_parser__string__tests__delete_alias.snap
diff --git a/compiler/parser/src/snapshots/rustpython_parser__string__tests__escape_alias.snap b/compiler/parser/src/snapshots/rustpython_parser__string__tests__escape_alias.snap
diff --git a/compiler/parser/src/snapshots/rustpython_parser__string__tests__form_feed_alias.snap b/compiler/parser/src/snapshots/rustpython_parser__string__tests__form_feed_alias.snap