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Upgrade rowan

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Notably, new rowan comes with support for mutable syntax trees.
This commit is contained in:
Aleksey Kladov 2021-01-30 18:19:21 +03:00
parent 62ec04bbd5
commit f5a81ec468
41 changed files with 376 additions and 176 deletions
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20
crates/ide_assists/src/handlers/extract_function.rs
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@ -16,7 +16,6 @@ use syntax::{
edit::{AstNodeEdit, IndentLevel},
AstNode,
},
SyntaxElement,
SyntaxKind::{self, BLOCK_EXPR, BREAK_EXPR, COMMENT, PATH_EXPR, RETURN_EXPR},
SyntaxNode, SyntaxToken, TextRange, TextSize, TokenAtOffset, WalkEvent, T,
};
@ -62,7 +61,10 @@ pub(crate) fn extract_function(acc: &mut Assists, ctx: &AssistContext) -> Option
return None;
}
let node = element_to_node(node);
let node = match node {
syntax::NodeOrToken::Node(n) => n,
syntax::NodeOrToken::Token(t) => t.parent()?,
};
let body = extraction_target(&node, ctx.frange.range)?;
@ -560,14 +562,6 @@ impl HasTokenAtOffset for FunctionBody {
}
}
/// node or token's parent
fn element_to_node(node: SyntaxElement) -> SyntaxNode {
match node {
syntax::NodeOrToken::Node(n) => n,
syntax::NodeOrToken::Token(t) => t.parent(),
}
}
/// Try to guess what user wants to extract
///
/// We have basically have two cases:
@ -1246,7 +1240,7 @@ fn make_body(
})
}
FlowHandler::If { .. } => {
let lit_false = ast::Literal::cast(make::tokens::literal("false").parent()).unwrap();
let lit_false = make::expr_literal("false");
with_tail_expr(block, lit_false.into())
}
FlowHandler::IfOption { .. } => {
@ -1420,9 +1414,7 @@ fn update_external_control_flow(handler: &FlowHandler, syntax: &SyntaxNode) -> S
fn make_rewritten_flow(handler: &FlowHandler, arg_expr: Option<ast::Expr>) -> Option<ast::Expr> {
let value = match handler {
FlowHandler::None | FlowHandler::Try { .. } => return None,
FlowHandler::If { .. } => {
ast::Literal::cast(make::tokens::literal("true").parent()).unwrap().into()
}
FlowHandler::If { .. } => make::expr_literal("true").into(),
FlowHandler::IfOption { .. } => {
let expr = arg_expr.unwrap_or_else(|| make::expr_tuple(Vec::new()));
let args = make::arg_list(iter::once(expr));