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Enable function2 test (#3083)

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Charlie Marsh 2023-02-20 23:37:50 -05:00 • committed by GitHub
parent 90c04b9cff
commit a6eb60cdd5
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4 changed files with 173 additions and 56 deletions
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8
crates/ruff_python_formatter/src/format/stmt.rs
View file

@ -322,7 +322,7 @@ fn format_for(
target: &Expr,
iter: &Expr,
body: &[Stmt],
_orelse: &[Stmt],
orelse: &[Stmt],
_type_comment: Option<&str>,
) -> FormatResult<()> {
write!(
@ -338,7 +338,11 @@ fn format_for(
text(":"),
block_indent(&block(body))
]
)
)?;
if !orelse.is_empty() {
write!(f, [text("else:"), block_indent(&block(orelse))])?;
}
Ok(())
}
fn format_while(

3
crates/ruff_python_formatter/src/lib.rs
View file

@ -76,6 +76,8 @@ mod tests {
#[test_case(Path::new("simple_cases/tricky_unicode_symbols.py"); "tricky_unicode_symbols")]
// Passing except that `1, 2, 3,` should be `(1, 2, 3)`.
#[test_case(Path::new("simple_cases/tupleassign.py"); "tupleassign")]
// Passing except that `CliRunner().invoke(...)` arguments are improperly wrapped.
#[test_case(Path::new("simple_cases/function2.py"); "function2")]
fn passing(path: &Path) -> Result<()> {
let snapshot = format!("{}", path.display());
let content = std::fs::read_to_string(test_resource_path(
@ -110,7 +112,6 @@ mod tests {
// inappropriately associated with the if statement rather than the line it's on.
#[test_case(Path::new("simple_cases/comments.py"); "comments")]
#[test_case(Path::new("simple_cases/function.py"); "function")]
#[test_case(Path::new("simple_cases/function2.py"); "function2")]
#[test_case(Path::new("simple_cases/function_trailing_comma.py"); "function_trailing_comma")]
#[test_case(Path::new("simple_cases/composition.py"); "composition")]
fn failing(path: &Path) -> Result<()> {

210
crates/ruff_python_formatter/src/newlines.rs
View file

@ -2,10 +2,10 @@ use rustpython_parser::ast::Constant;
use crate::core::visitor;
use crate::core::visitor::Visitor;
use crate::cst::{Expr, ExprKind, Stmt, StmtKind};
use crate::cst::{ExcepthandlerKind, Expr, ExprKind, Stmt, StmtKind};
use crate::trivia::{Relationship, Trivia, TriviaKind};
#[derive(Copy, Clone)]
#[derive(Debug, Copy, Clone)]
enum Depth {
TopLevel,
Nested,
@ -20,7 +20,7 @@ impl Depth {
}
}
#[derive(Copy, Clone)]
#[derive(Debug, Copy, Clone)]
enum Scope {
Module,
Class,
@ -35,6 +35,7 @@ enum Trailer {
Import,
Docstring,
Generic,
CompoundStatement,
}
struct NewlineNormalizer {
@ -60,10 +61,18 @@ impl<'a> Visitor<'a> for NewlineNormalizer {
}
});
if matches!(self.trailer, Trailer::None) {
// If this is the first statement in the block, remove any leading empty lines.
// TODO(charlie): If we have a function or class definition within a non-scoped block,
// like an if-statement, retain a line before and after.
if matches!(self.trailer, Trailer::None)
|| (matches!(self.trailer, Trailer::CompoundStatement)
&& !matches!(
stmt.node,
StmtKind::FunctionDef { .. }
| StmtKind::AsyncFunctionDef { .. }
| StmtKind::ClassDef { .. }
))
{
// If this is the first statement in the block, remove any leading empty lines, with the
// exception being functions and classes defined within compound statements (e.g., as
// the first statement in an `if` body).
let mut seen_non_empty = false;
stmt.trivia.retain(|c| {
if seen_non_empty {
@ -145,57 +154,160 @@ impl<'a> Visitor<'a> for NewlineNormalizer {
}
}
self.trailer = match &stmt.node {
StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => {
Trailer::FunctionDef
let prev_scope = self.scope;
let prev_depth = self.depth;
match &mut stmt.node {
StmtKind::FunctionDef { body, .. } | StmtKind::AsyncFunctionDef { body, .. } => {
self.depth = Depth::Nested;
self.scope = Scope::Function;
self.trailer = Trailer::None;
self.visit_body(body);
self.trailer = Trailer::FunctionDef;
}
// TODO(charlie): This needs to be the first statement in a class or function.
StmtKind::Expr { value, .. } => {
if let ExprKind::Constant {
value: Constant::Str(..),
..
} = &value.node
{
Trailer::Docstring
} else {
Trailer::Generic
StmtKind::ClassDef { body, .. } => {
self.depth = Depth::Nested;
self.scope = Scope::Class;
self.trailer = Trailer::None;
self.visit_body(body);
self.trailer = Trailer::ClassDef;
}
StmtKind::While { body, orelse, .. }
| StmtKind::For { body, orelse, .. }
| StmtKind::AsyncFor { body, orelse, .. } => {
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
self.visit_body(body);
if !orelse.is_empty() {
// If the previous body ended with a function or class definition, we need to
// insert an empty line before the else block. Since the `else` itself isn't
// a statement, we need to insert it into the last statement of the body.
if matches!(self.trailer, Trailer::ClassDef | Trailer::FunctionDef) {
let stmt = body.last_mut().unwrap();
stmt.trivia.push(Trivia {
kind: TriviaKind::EmptyLine,
relationship: Relationship::Trailing,
});
}
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
self.visit_body(orelse);
}
}
StmtKind::ClassDef { .. } => Trailer::ClassDef,
StmtKind::Import { .. } | StmtKind::ImportFrom { .. } => Trailer::Import,
_ => Trailer::Generic,
};
StmtKind::If { body, orelse, .. } => {
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
self.visit_body(body);
let prev_scope = self.scope;
self.scope = match &stmt.node {
StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => Scope::Function,
StmtKind::ClassDef { .. } => Scope::Class,
_ => prev_scope,
};
if !orelse.is_empty() {
if matches!(self.trailer, Trailer::ClassDef | Trailer::FunctionDef) {
let stmt = body.last_mut().unwrap();
stmt.trivia.push(Trivia {
kind: TriviaKind::EmptyLine,
relationship: Relationship::Trailing,
});
}
visitor::walk_stmt(self, stmt);
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
self.visit_body(orelse);
}
}
StmtKind::With { body, .. } | StmtKind::AsyncWith { body, .. } => {
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
self.visit_body(body);
}
// StmtKind::Match { .. } => {}
StmtKind::Try {
body,
handlers,
orelse,
finalbody,
} => {
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
self.visit_body(body);
let mut last = body.last_mut();
for handler in handlers {
if matches!(self.trailer, Trailer::ClassDef | Trailer::FunctionDef) {
if let Some(stmt) = last.as_mut() {
stmt.trivia.push(Trivia {
kind: TriviaKind::EmptyLine,
relationship: Relationship::Trailing,
});
}
}
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
let ExcepthandlerKind::ExceptHandler { body, .. } = &mut handler.node;
self.visit_body(body);
last = body.last_mut();
}
if !orelse.is_empty() {
if matches!(self.trailer, Trailer::ClassDef | Trailer::FunctionDef) {
if let Some(stmt) = last.as_mut() {
stmt.trivia.push(Trivia {
kind: TriviaKind::EmptyLine,
relationship: Relationship::Trailing,
});
}
}
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
self.visit_body(orelse);
last = body.last_mut();
}
if !finalbody.is_empty() {
if matches!(self.trailer, Trailer::ClassDef | Trailer::FunctionDef) {
if let Some(stmt) = last.as_mut() {
stmt.trivia.push(Trivia {
kind: TriviaKind::EmptyLine,
relationship: Relationship::Trailing,
});
}
}
self.depth = Depth::Nested;
self.trailer = Trailer::CompoundStatement;
self.visit_body(finalbody);
}
}
_ => {
self.trailer = match &stmt.node {
StmtKind::Expr { value, .. }
if matches!(self.scope, Scope::Class | Scope::Function)
&& matches!(self.trailer, Trailer::None) =>
{
if let ExprKind::Constant {
value: Constant::Str(..),
..
} = &value.node
{
Trailer::Docstring
} else {
Trailer::Generic
}
}
StmtKind::Import { .. } | StmtKind::ImportFrom { .. } => Trailer::Import,
_ => Trailer::Generic,
};
visitor::walk_stmt(self, stmt);
}
}
self.depth = prev_depth;
self.scope = prev_scope;
}
fn visit_expr(&mut self, expr: &'a mut Expr) {
expr.trivia
.retain(|c| !matches!(c.kind, TriviaKind::EmptyLine));
visitor::walk_expr(self, expr);
}
fn visit_body(&mut self, body: &'a mut [Stmt]) {
let prev_depth = self.depth;
let prev_trailer = self.trailer;
self.depth = Depth::Nested;
self.trailer = Trailer::None;
visitor::walk_body(self, body);
self.trailer = prev_trailer;
self.depth = prev_depth;
}
fn visit_expr(&mut self, _expr: &'a mut Expr) {}
}
pub fn normalize_newlines(python_cst: &mut [Stmt]) {

8
crates/ruff_python_formatter/src/snapshots/expect/ruff_python_formatter__tests__simple_cases__function2.py.snap.expect → crates/ruff_python_formatter/src/snapshots/ruff_python_formatter__tests__simple_cases__function2.py.snap
View file

@ -1,7 +1,6 @@
---
source: src/source_code/mod.rs
assertion_line: 0
expression: formatted
source: crates/ruff_python_formatter/src/lib.rs
expression: adjust_quotes(formatted.print()?.as_code())
---
def f(
a,
@ -10,7 +9,8 @@ def f(
with cache_dir():
if something:
result = CliRunner().invoke(
black.main, [str(src1), str(src2), "--diff", "--check"]
black.main,
[str(src1), str(src2), "--diff", "--check"],
)
limited.append(-limited.pop()) # negate top
return A(