From a4b4fd7dc50575d015b404532ec9dd13e0a01835 Mon Sep 17 00:00:00 2001 From: Aleksey Kladov Date: Wed, 2 Jan 2019 16:29:08 +0300 Subject: move symbols to ra_analysis --- crates/ra_editor/src/lib.rs | 4 +- crates/ra_editor/src/structure.rs | 129 ++++++++++++++++++++ crates/ra_editor/src/symbols.rs | 246 -------------------------------------- 3 files changed, 131 insertions(+), 248 deletions(-) create mode 100644 crates/ra_editor/src/structure.rs delete mode 100644 crates/ra_editor/src/symbols.rs (limited to 'crates/ra_editor/src') diff --git a/crates/ra_editor/src/lib.rs b/crates/ra_editor/src/lib.rs index b03f9ea54..bfc745e58 100644 --- a/crates/ra_editor/src/lib.rs +++ b/crates/ra_editor/src/lib.rs @@ -3,7 +3,7 @@ mod extend_selection; mod folding_ranges; mod line_index; mod line_index_utils; -mod symbols; +mod structure; #[cfg(test)] mod test_utils; mod typing; @@ -15,7 +15,7 @@ pub use self::{ folding_ranges::{folding_ranges, Fold, FoldKind}, line_index::{LineCol, LineIndex}, line_index_utils::translate_offset_with_edit, - symbols::{file_structure, file_symbols, FileSymbol, StructureNode}, + structure::{file_structure, StructureNode}, typing::{join_lines, on_enter, on_eq_typed}, diagnostics::diagnostics }; diff --git a/crates/ra_editor/src/structure.rs b/crates/ra_editor/src/structure.rs new file mode 100644 index 000000000..2292b1ddf --- /dev/null +++ b/crates/ra_editor/src/structure.rs @@ -0,0 +1,129 @@ +use crate::TextRange; + +use ra_syntax::{ + algo::visit::{visitor, Visitor}, + ast::{self, NameOwner}, + AstNode, SourceFileNode, SyntaxKind, SyntaxNodeRef, WalkEvent, +}; + +#[derive(Debug, Clone)] +pub struct StructureNode { + pub parent: Option, + pub label: String, + pub navigation_range: TextRange, + pub node_range: TextRange, + pub kind: SyntaxKind, +} + +pub fn file_structure(file: &SourceFileNode) -> Vec { + let mut res = Vec::new(); + let mut stack = Vec::new(); + + for event in file.syntax().preorder() { + match event { + WalkEvent::Enter(node) => { + if let Some(mut symbol) = structure_node(node) { + symbol.parent = stack.last().map(|&n| n); + stack.push(res.len()); + res.push(symbol); + } + } + WalkEvent::Leave(node) => { + if structure_node(node).is_some() { + stack.pop().unwrap(); + } + } + } + } + res +} + +fn structure_node(node: SyntaxNodeRef) -> Option { + fn decl<'a, N: NameOwner<'a>>(node: N) -> Option { + let name = node.name()?; + Some(StructureNode { + parent: None, + label: name.text().to_string(), + navigation_range: name.syntax().range(), + node_range: node.syntax().range(), + kind: node.syntax().kind(), + }) + } + + visitor() + .visit(decl::) + .visit(decl::) + .visit(decl::) + .visit(decl::) + .visit(decl::) + .visit(decl::) + .visit(decl::) + .visit(decl::) + .visit(decl::) + .visit(|im: ast::ImplItem| { + let target_type = im.target_type()?; + let target_trait = im.target_trait(); + let label = match target_trait { + None => format!("impl {}", target_type.syntax().text()), + Some(t) => format!( + "impl {} for {}", + t.syntax().text(), + target_type.syntax().text(), + ), + }; + + let node = StructureNode { + parent: None, + label, + navigation_range: target_type.syntax().range(), + node_range: im.syntax().range(), + kind: im.syntax().kind(), + }; + Some(node) + }) + .accept(node)? +} + +#[cfg(test)] +mod tests { + use super::*; + use test_utils::assert_eq_dbg; + + #[test] + fn test_file_structure() { + let file = SourceFileNode::parse( + r#" +struct Foo { + x: i32 +} + +mod m { + fn bar() {} +} + +enum E { X, Y(i32) } +type T = (); +static S: i32 = 92; +const C: i32 = 92; + +impl E {} + +impl fmt::Debug for E {} +"#, + ); + let structure = file_structure(&file); + assert_eq_dbg( + r#"[StructureNode { parent: None, label: "Foo", navigation_range: [8; 11), node_range: [1; 26), kind: STRUCT_DEF }, + StructureNode { parent: Some(0), label: "x", navigation_range: [18; 19), node_range: [18; 24), kind: NAMED_FIELD_DEF }, + StructureNode { parent: None, label: "m", navigation_range: [32; 33), node_range: [28; 53), kind: MODULE }, + StructureNode { parent: Some(2), label: "bar", navigation_range: [43; 46), node_range: [40; 51), kind: FN_DEF }, + StructureNode { parent: None, label: "E", navigation_range: [60; 61), node_range: [55; 75), kind: ENUM_DEF }, + StructureNode { parent: None, label: "T", navigation_range: [81; 82), node_range: [76; 88), kind: TYPE_DEF }, + StructureNode { parent: None, label: "S", navigation_range: [96; 97), node_range: [89; 108), kind: STATIC_DEF }, + StructureNode { parent: None, label: "C", navigation_range: [115; 116), node_range: [109; 127), kind: CONST_DEF }, + StructureNode { parent: None, label: "impl E", navigation_range: [134; 135), node_range: [129; 138), kind: IMPL_ITEM }, + StructureNode { parent: None, label: "impl fmt::Debug for E", navigation_range: [160; 161), node_range: [140; 164), kind: IMPL_ITEM }]"#, + &structure, + ) + } +} diff --git a/crates/ra_editor/src/symbols.rs b/crates/ra_editor/src/symbols.rs deleted file mode 100644 index 9e25decfb..000000000 --- a/crates/ra_editor/src/symbols.rs +++ /dev/null @@ -1,246 +0,0 @@ -use crate::TextRange; - -use ra_syntax::{ - algo::visit::{visitor, Visitor}, - ast::{self, DocCommentsOwner, NameOwner}, - AstNode, SourceFileNode, SmolStr, SyntaxKind, SyntaxNodeRef, WalkEvent, -}; - -#[derive(Debug, Clone)] -pub struct StructureNode { - pub parent: Option, - pub label: String, - pub navigation_range: TextRange, - pub node_range: TextRange, - pub kind: SyntaxKind, -} - -#[derive(Debug, Clone, PartialEq, Eq, Hash)] -pub struct FileSymbol { - pub name: SmolStr, - pub node_range: TextRange, - pub kind: SyntaxKind, -} - -impl FileSymbol { - pub fn docs(&self, file: &SourceFileNode) -> Option { - file.syntax() - .descendants() - .filter(|node| node.kind() == self.kind && node.range() == self.node_range) - .filter_map(|node: SyntaxNodeRef| { - fn doc_comments<'a, N: DocCommentsOwner<'a>>(node: N) -> Option { - let comments = node.doc_comment_text(); - if comments.is_empty() { - None - } else { - Some(comments) - } - } - - visitor() - .visit(doc_comments::) - .visit(doc_comments::) - .visit(doc_comments::) - .visit(doc_comments::) - .visit(doc_comments::) - .visit(doc_comments::) - .visit(doc_comments::) - .visit(doc_comments::) - .accept(node)? - }) - .nth(0) - } - /// Get a description of this node. - /// - /// e.g. `struct Name`, `enum Name`, `fn Name` - pub fn description(&self, file: &SourceFileNode) -> Option { - // TODO: After type inference is done, add type information to improve the output - file.syntax() - .descendants() - .filter(|node| node.kind() == self.kind && node.range() == self.node_range) - .filter_map(|node: SyntaxNodeRef| { - // TODO: Refactor to be have less repetition - visitor() - .visit(|node: ast::FnDef| { - let mut string = "fn ".to_string(); - node.name()?.syntax().text().push_to(&mut string); - Some(string) - }) - .visit(|node: ast::StructDef| { - let mut string = "struct ".to_string(); - node.name()?.syntax().text().push_to(&mut string); - Some(string) - }) - .visit(|node: ast::EnumDef| { - let mut string = "enum ".to_string(); - node.name()?.syntax().text().push_to(&mut string); - Some(string) - }) - .visit(|node: ast::TraitDef| { - let mut string = "trait ".to_string(); - node.name()?.syntax().text().push_to(&mut string); - Some(string) - }) - .visit(|node: ast::Module| { - let mut string = "mod ".to_string(); - node.name()?.syntax().text().push_to(&mut string); - Some(string) - }) - .visit(|node: ast::TypeDef| { - let mut string = "type ".to_string(); - node.name()?.syntax().text().push_to(&mut string); - Some(string) - }) - .visit(|node: ast::ConstDef| { - let mut string = "const ".to_string(); - node.name()?.syntax().text().push_to(&mut string); - Some(string) - }) - .visit(|node: ast::StaticDef| { - let mut string = "static ".to_string(); - node.name()?.syntax().text().push_to(&mut string); - Some(string) - }) - .accept(node)? - }) - .nth(0) - } -} - -pub fn file_symbols(file: &SourceFileNode) -> Vec { - file.syntax().descendants().filter_map(to_symbol).collect() -} - -fn to_symbol(node: SyntaxNodeRef) -> Option { - fn decl<'a, N: NameOwner<'a>>(node: N) -> Option { - let name = node.name()?; - Some(FileSymbol { - name: name.text(), - node_range: node.syntax().range(), - kind: node.syntax().kind(), - }) - } - visitor() - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .accept(node)? -} - -pub fn file_structure(file: &SourceFileNode) -> Vec { - let mut res = Vec::new(); - let mut stack = Vec::new(); - - for event in file.syntax().preorder() { - match event { - WalkEvent::Enter(node) => { - if let Some(mut symbol) = structure_node(node) { - symbol.parent = stack.last().map(|&n| n); - stack.push(res.len()); - res.push(symbol); - } - } - WalkEvent::Leave(node) => { - if structure_node(node).is_some() { - stack.pop().unwrap(); - } - } - } - } - res -} - -fn structure_node(node: SyntaxNodeRef) -> Option { - fn decl<'a, N: NameOwner<'a>>(node: N) -> Option { - let name = node.name()?; - Some(StructureNode { - parent: None, - label: name.text().to_string(), - navigation_range: name.syntax().range(), - node_range: node.syntax().range(), - kind: node.syntax().kind(), - }) - } - - visitor() - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(decl::) - .visit(|im: ast::ImplItem| { - let target_type = im.target_type()?; - let target_trait = im.target_trait(); - let label = match target_trait { - None => format!("impl {}", target_type.syntax().text()), - Some(t) => format!( - "impl {} for {}", - t.syntax().text(), - target_type.syntax().text(), - ), - }; - - let node = StructureNode { - parent: None, - label, - navigation_range: target_type.syntax().range(), - node_range: im.syntax().range(), - kind: im.syntax().kind(), - }; - Some(node) - }) - .accept(node)? -} - -#[cfg(test)] -mod tests { - use super::*; - use test_utils::assert_eq_dbg; - - #[test] - fn test_file_structure() { - let file = SourceFileNode::parse( - r#" -struct Foo { - x: i32 -} - -mod m { - fn bar() {} -} - -enum E { X, Y(i32) } -type T = (); -static S: i32 = 92; -const C: i32 = 92; - -impl E {} - -impl fmt::Debug for E {} -"#, - ); - let symbols = file_structure(&file); - assert_eq_dbg( - r#"[StructureNode { parent: None, label: "Foo", navigation_range: [8; 11), node_range: [1; 26), kind: STRUCT_DEF }, - StructureNode { parent: Some(0), label: "x", navigation_range: [18; 19), node_range: [18; 24), kind: NAMED_FIELD_DEF }, - StructureNode { parent: None, label: "m", navigation_range: [32; 33), node_range: [28; 53), kind: MODULE }, - StructureNode { parent: Some(2), label: "bar", navigation_range: [43; 46), node_range: [40; 51), kind: FN_DEF }, - StructureNode { parent: None, label: "E", navigation_range: [60; 61), node_range: [55; 75), kind: ENUM_DEF }, - StructureNode { parent: None, label: "T", navigation_range: [81; 82), node_range: [76; 88), kind: TYPE_DEF }, - StructureNode { parent: None, label: "S", navigation_range: [96; 97), node_range: [89; 108), kind: STATIC_DEF }, - StructureNode { parent: None, label: "C", navigation_range: [115; 116), node_range: [109; 127), kind: CONST_DEF }, - StructureNode { parent: None, label: "impl E", navigation_range: [134; 135), node_range: [129; 138), kind: IMPL_ITEM }, - StructureNode { parent: None, label: "impl fmt::Debug for E", navigation_range: [160; 161), node_range: [140; 164), kind: IMPL_ITEM }]"#, - &symbols, - ) - } -} -- cgit v1.2.3