Prototype of a new lexer

Cargo.toml

@@ -32,7 +32,6 @@ num-complex = "0.4.0"
 num-bigint = "0.4.3"
 num-traits = "0.2"
 pyo3 = { version = "0.19.0" }
-malachite-bigint = { version = "0.1.0" }
 memchr = "2.5.0"
 rand = "0.8.5"
 serde = "1.0"

ast/Cargo.toml

@@ -8,13 +8,11 @@ repository = "https://github.com/RustPython/Parser/"
 license = "MIT"
 
 [features]
-default = ["malachite-bigint"]
 
 [dependencies]
 rustpython-parser-core = { workspace = true }
 rustpython-literal = { workspace = true, optional = true }
 
 is-macro = { workspace = true }
-num-bigint = { workspace = true, optional = true }
-malachite-bigint = { workspace = true, optional = true }
+num-bigint = { workspace = true }
 static_assertions = "1.1.0"

ast/src/builtin.rs

@@ -2,8 +2,8 @@
 
 use rustpython_parser_core::text_size::TextRange;
 
-use crate::bigint::BigInt;
 use crate::Ranged;
+use num_bigint::BigInt;
 
 pub type String = std::string::String;
 

ast/src/lib.rs

@@ -20,9 +20,6 @@ mod generic;
 mod impls;
 mod ranged;
 
-#[cfg(feature = "malachite-bigint")]
-pub use malachite_bigint as bigint;
-#[cfg(all(feature = "num-bigint", not(feature = "malachite-bigint")))]
 pub use num_bigint as bigint;
 
 pub use builtin::*;

format/Cargo.toml

@@ -13,8 +13,4 @@ rustpython-literal = { workspace = true }
 bitflags = "2.3.1"
 itertools = "0.10.5"
 num-traits = { workspace = true }
-num-bigint = { workspace = true, optional = true }
-malachite-bigint = { workspace = true, optional = true }
-
-[features]
-default = ["malachite-bigint"]
+num-bigint = { workspace = true }

format/src/lib.rs

@@ -1,6 +1,3 @@
-#[cfg(feature = "malachite-bigint")]
-pub use malachite_bigint as bigint;
-#[cfg(all(feature = "num-bigint", not(feature = "malachite-bigint")))]
 pub use num_bigint as bigint;
 
 pub use crate::format::*;

literal/src/escape.rs

@@ -386,6 +386,7 @@ impl<'a> Escape for AsciiEscape<'a> {
         &self.layout
     }
 
+    #[allow(unsafe_code)]
     fn write_source(&self, formatter: &mut impl std::fmt::Write) -> std::fmt::Result {
         formatter.write_str(unsafe {
             // SAFETY: this function must be called only when source is printable ascii characters

parser/Cargo.toml

@@ -9,11 +9,7 @@ license = "MIT"
 edition = "2021"
 
 [features]
-default = ["malachite-bigint"]
 serde = ["dep:serde", "rustpython-parser-core/serde"]
-full-lexer = []
-malachite-bigint = ["dep:malachite-bigint", "rustpython-ast/malachite-bigint"]
-num-bigint = ["dep:num-bigint", "rustpython-ast/num-bigint"]
 
 [build-dependencies]
 anyhow = { workspace = true }
@@ -25,11 +21,11 @@ tiny-keccak = { version = "2", features = ["sha3"] }
 rustpython-ast = { workspace = true }
 rustpython-parser-core = { workspace = true }
 
+bitflags = "2.3.3"
 itertools = { workspace = true }
 is-macro = { workspace = true }
 log = { workspace = true }
-malachite-bigint = { workspace = true, optional = true }
-num-bigint = { workspace = true, optional = true }
+num-bigint = { workspace = true }
 num-traits = { workspace = true }
 unicode_names2 = { workspace = true }
 
@@ -38,6 +34,7 @@ unic-ucd-ident  = "0.9.0"
 lalrpop-util = { version = "0.20.0", default-features = false }
 phf = "0.11.1"
 rustc-hash = "1.1.0"
+static_assertions = "1.1.0"
 serde = { version = "1.0.133", optional = true, default-features = false, features = ["derive"] }
 
 [dev-dependencies]