mwojcik/nac3
1
0
Fork 0
forked from M-Labs/nac3
Code Pull Requests Activity

rustpython-parser: string interner, optimizations, thread local cache

Browse Source 
corresponds to M-Labs RustPython fork at efdf7829ba1a5f87d30df8eaff12a330544f3cbd
branch parser-mod
This commit is contained in:
pca006132 2021-11-03 16:35:16 +08:00 committed by Sebastien Bourdeauducq
parent 80c7bc1cbd
commit 48ce6bb6c5
10 changed files with 737 additions and 647 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
nac3ast/Cargo.toml
View File

@ -11,3 +11,7 @@ fold = []
[dependencies]
num-bigint = "0.4.0"
lazy_static = "1.4.0"
parking_lot = "0.11.1"
string-interner = "0.13.0"
fxhash = "0.2.1"

2
nac3ast/asdl_rs.py
View File

@ -185,7 +185,7 @@ class StructVisitor(TypeInfoEmitVisitor):
self.sum_with_constructors(sum, name, depth)
def emit_attrs(self, depth):
self.emit("#[derive(Debug, PartialEq)]", depth)
self.emit("#[derive(Clone, Debug, PartialEq)]", depth)
def simple_sum(self, sum, name, depth):
rustname = get_rust_type(name)

936
nac3ast/src/ast_gen.rs
View File

File diff suppressed because it is too large Load Diff

2
nac3ast/src/constant.rs
View File

@ -1,6 +1,6 @@
use num_bigint::BigInt;
#[derive(Debug, PartialEq)]
#[derive(Clone, Debug, PartialEq)]
pub enum Constant {
None,
Bool(bool),

2
nac3ast/src/fold_helpers.rs
View File

@ -1,5 +1,6 @@
use crate::constant;
use crate::fold::Fold;
use crate::StrRef;
pub(crate) trait Foldable<T, U> {
type Mapped;
@ -67,6 +68,7 @@ simple_fold!(
usize,
String,
bool,
StrRef,
constant::Constant,
constant::ConversionFlag
);

3
nac3ast/src/lib.rs
View File

@ -1,3 +1,6 @@
#[macro_use]
extern crate lazy_static;
mod ast_gen;
mod constant;
#[cfg(feature = "fold")]

2
nac3parser/src/function.rs
View File

@ -70,7 +70,7 @@ pub fn parse_args(func_args: Vec<FunctionArgument>) -> Result<ArgumentList, Lexi
keywords.push(ast::Keyword::new(
location,
ast::KeywordData {
arg: name,
arg: name.map(|name| name.into()),
value: Box::new(value),
},
));

29
nac3parser/src/lexer.rs
View File

@ -250,7 +250,7 @@ where
if let Some(tok) = KEYWORDS.get(name.as_str()) {
Ok((start_pos, tok.clone(), end_pos))
} else {
Ok((start_pos, Tok::Name { name }, end_pos))
Ok((start_pos, Tok::Name { name: name.into() }, end_pos))
}
}
@ -622,13 +622,18 @@ where
}
fn is_identifier_start(&self, c: char) -> bool {
c == '_' || is_xid_start(c)
match c {
'_' | 'a'..='z' | 'A'..='Z' => true,
'+' | '-' | '*' | '/' | '=' | ' ' | '<' | '>' => false,
c => is_xid_start(c),
}
}
fn is_identifier_continuation(&self) -> bool {
if let Some(c) = self.chr0 {
match c {
'_' | '0'..='9' => true,
'_' | '0'..='9' | 'a'..='z' | 'A'..='Z' => true,
'+' | '-' | '*' | '/' | '=' | ' ' | '<' | '>' => false,
c => is_xid_continue(c),
}
} else {
@ -784,9 +789,7 @@ where
let tok_end = self.get_pos();
self.emit((
tok_start,
Tok::Name {
name: c.to_string(),
},
Tok::Name { name: c.to_string().into() },
tok_end,
));
} else {
@ -1402,7 +1405,7 @@ mod tests {
tokens,
vec![
Tok::Name {
name: String::from("avariable"),
name: String::from("avariable").into(),
},
Tok::Equal,
Tok::Int {
@ -1433,7 +1436,7 @@ mod tests {
vec![
Tok::Def,
Tok::Name {
name: String::from("foo"),
name: String::from("foo").into(),
},
Tok::Lpar,
Tok::Rpar,
@ -1469,7 +1472,7 @@ mod tests {
vec![
Tok::Def,
Tok::Name {
name: String::from("foo"),
name: String::from("foo").into(),
},
Tok::Lpar,
Tok::Rpar,
@ -1478,7 +1481,7 @@ mod tests {
Tok::Indent,
Tok::If,
Tok::Name {
name: String::from("x"),
name: String::from("x").into(),
},
Tok::Colon,
Tok::Newline,
@ -1507,7 +1510,7 @@ mod tests {
vec![
Tok::Def,
Tok::Name {
name: String::from("foo"),
name: String::from("foo").into(),
},
Tok::Lpar,
Tok::Rpar,
@ -1516,7 +1519,7 @@ mod tests {
Tok::Indent,
Tok::If,
Tok::Name {
name: String::from("x"),
name: String::from("x").into(),
},
Tok::Colon,
Tok::Newline,
@ -1556,7 +1559,7 @@ mod tests {
tokens,
vec![
Tok::Name {
name: String::from("x"),
name: String::from("x").into(),
},
Tok::Equal,
Tok::Lsqb,

19
nac3parser/src/python.lalrpop
View File

@ -246,7 +246,7 @@ ImportStatement: ast::Stmt = {
location,
node: ast::StmtKind::ImportFrom {
level,
module,
module: module.map(|s| s.into()),
names
},
}
@ -272,24 +272,25 @@ ImportAsNames: Vec<ast::Alias> = {
"(" <i:OneOrMore<ImportAsAlias<Identifier>>> ","? ")" => i,
"*" => {
// Star import all
vec![ast::Alias { name: "*".to_string(), asname: None }]
vec![ast::Alias { name: "*".into(), asname: None }]
},
};
#[inline]
ImportAsAlias<I>: ast::Alias = {
<name:I> <a: ("as" Identifier)?> => ast::Alias { name, asname: a.map(|a| a.1) },
<name:I> <a: ("as" Identifier)?> => ast::Alias { name: name.into(), asname: a.map(|a| a.1) },
};
// A name like abc or abc.def.ghi
DottedName: String = {
<n:name> => n,
<n:name> => n.into(),
<n:name> <n2: ("." Identifier)+> => {
let mut r = n.to_string();
let lock = ast::get_str_ref_lock();
let mut r = ast::get_str_from_ref(&lock, n).to_string();
for x in n2 {
r.push_str(".");
r.push_str(&x.1);
r.push_str(&ast::get_str_from_ref(&lock, x.1));
}
r
},
@ -1157,7 +1158,7 @@ FunctionArgument: (Option<(ast::Location, Option<String>)>, ast::Expr) = {
};
(None, expr)
},
<location:@L> <i:Identifier> "=" <e:Test> => (Some((location, Some(i))), e),
<location:@L> <i:Identifier> "=" <e:Test> => (Some((location, Some(i.into()))), e),
<location:@L> "*" <e:Test> => {
let expr = ast::Expr::new(
location,
@ -1199,7 +1200,7 @@ Bytes: Vec<u8> = {
},
};
Identifier: String = <s:name> => s;
Identifier: ast::StrRef = <s:name> => s;
// Hook external lexer:
extern {
@ -1299,7 +1300,7 @@ extern {
complex => lexer::Tok::Complex { real: <f64>, imag: <f64> },
string => lexer::Tok::String { value: <String>, is_fstring: <bool> },
bytes => lexer::Tok::Bytes { value: <Vec<u8>> },
name => lexer::Tok::Name { name: <String> },
name => lexer::Tok::Name { name: <ast::StrRef> },
"\n" => lexer::Tok::Newline,
";" => lexer::Tok::Semi,
}

5
nac3parser/src/token.rs
View File

@ -2,11 +2,12 @@
//! Loosely based on token.h from CPython source:
use num_bigint::BigInt;
use std::fmt::{self, Write};
use crate::ast;
/// Python source code can be tokenized in a sequence of these tokens.
#[derive(Clone, Debug, PartialEq)]
pub enum Tok {
Name { name: String },
Name { name: ast::StrRef },
Int { value: BigInt },
Float { value: f64 },
Complex { real: f64, imag: f64 },
@ -110,7 +111,7 @@ impl fmt::Display for Tok {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
use Tok::*;
match self {
Name { name } => write!(f, "'{}'", name),
Name { name } => write!(f, "'{}'", ast::get_str_from_ref(&ast::get_str_ref_lock(), *name)),
Int { value } => write!(f, "'{}'", value),
Float { value } => write!(f, "'{}'", value),
Complex { real, imag } => write!(f, "{}j{}", real, imag),