mirror of
https://github.com/rust-lang/rust-analyzer.git
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255 lines
29 KiB
Rust
255 lines
29 KiB
Rust
use hir::Semantics;
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use ide_db::{
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FileId, LineIndexDatabase, RootDatabase,
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line_index::{LineCol, LineIndex},
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};
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use span::{TextRange, TextSize};
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use stdx::format_to;
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use syntax::{
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AstNode, AstToken, NodeOrToken, SourceFile, SyntaxNode, SyntaxToken, WalkEvent,
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ast::{self, IsString},
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};
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use triomphe::Arc;
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// Feature: Show Syntax Tree
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//
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// Shows a tree view with the syntax tree of the current file
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//
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// | Editor | Panel Name |
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// |---------|-------------|
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// | VS Code | **Rust Syntax Tree** |
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pub(crate) fn view_syntax_tree(db: &RootDatabase, file_id: FileId) -> String {
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let sema = Semantics::new(db);
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let line_index = db.line_index(file_id);
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let parse = sema.parse_guess_edition(file_id);
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let ctx = SyntaxTreeCtx { line_index, in_string: None };
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syntax_node_to_json(parse.syntax(), &ctx)
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}
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fn syntax_node_to_json(node: &SyntaxNode, ctx: &SyntaxTreeCtx) -> String {
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let mut result = String::new();
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for event in node.preorder_with_tokens() {
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match event {
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WalkEvent::Enter(it) => {
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let kind = it.kind();
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let (text_range, inner_range_str) = match &ctx.in_string {
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Some(in_string) => {
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let start_pos = TextPosition::new(&ctx.line_index, it.text_range().start());
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let end_pos = TextPosition::new(&ctx.line_index, it.text_range().end());
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let inner_start: u32 = it.text_range().start().into();
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let inner_end: u32 = it.text_range().start().into();
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let mut true_start = inner_start + in_string.offset;
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let mut true_end = inner_end + in_string.offset;
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for pos in &in_string.marker_positions {
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if *pos >= inner_end {
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break;
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}
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// We conditionally add to true_start in case
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// the marker is between the start and end.
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true_start += 2 * (*pos < inner_start) as u32;
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true_end += 2;
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}
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let true_range = TextRange::new(true_start.into(), true_end.into());
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(true_range, format!(r#","istart":{start_pos},"iend":{end_pos}"#,))
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}
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None => (it.text_range(), "".to_owned()),
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};
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let start = TextPosition::new(&ctx.line_index, text_range.start());
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let end = TextPosition::new(&ctx.line_index, text_range.end());
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match it {
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NodeOrToken::Node(_) => {
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format_to!(
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result,
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r#"{{"type":"Node","kind":"{kind:?}","start":{start},"end":{end}{inner_range_str},"children":["#
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);
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}
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NodeOrToken::Token(token) => {
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let comma = if token.next_sibling_or_token().is_some() { "," } else { "" };
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match parse_rust_string(token, ctx) {
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Some(parsed) => {
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format_to!(
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result,
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r#"{{"type":"Node","kind":"{kind:?}","start":{start},"end":{end}{inner_range_str},"children":[{parsed}]}}{comma}"#
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);
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}
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None => format_to!(
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result,
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r#"{{"type":"Token","kind":"{kind:?}","start":{start},"end":{end}{inner_range_str}}}{comma}"#
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),
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}
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}
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}
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}
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WalkEvent::Leave(it) => match it {
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NodeOrToken::Node(node) => {
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let comma = if node.next_sibling_or_token().is_some() { "," } else { "" };
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format_to!(result, "]}}{comma}")
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}
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NodeOrToken::Token(_) => (),
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},
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}
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}
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result
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}
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struct TextPosition {
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offset: TextSize,
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line: u32,
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col: u32,
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}
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impl std::fmt::Display for TextPosition {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "[{:?},{},{}]", self.offset, self.line, self.col)
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}
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}
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impl TextPosition {
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pub(crate) fn new(line_index: &LineIndex, offset: TextSize) -> Self {
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let LineCol { line, col } = line_index.line_col(offset);
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Self { offset, line, col }
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}
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}
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fn parse_rust_string(token: SyntaxToken, ctx: &SyntaxTreeCtx) -> Option<String> {
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let string_node = ast::String::cast(token)?;
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let text = string_node.value().ok()?;
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let mut trim_result = String::new();
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let mut marker_positions = Vec::new();
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let mut skipped = 0;
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let mut last_end = 0;
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for (start, part) in text.match_indices("$0") {
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marker_positions.push((start - skipped) as u32);
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trim_result.push_str(&text[last_end..start]);
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skipped += part.len();
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last_end = start + part.len();
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}
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trim_result.push_str(&text[last_end..text.len()]);
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let parsed = SourceFile::parse(&trim_result, span::Edition::CURRENT);
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if !parsed.errors().is_empty() {
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return None;
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}
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let node: &SyntaxNode = &parsed.syntax_node();
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if node.children().count() == 0 {
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// C'mon, you should have at least one node other than SOURCE_FILE
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return None;
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}
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let ctx = SyntaxTreeCtx {
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line_index: ctx.line_index.clone(),
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in_string: Some(InStringCtx {
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offset: string_node.text_range_between_quotes()?.start().into(),
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marker_positions,
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}),
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};
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Some(syntax_node_to_json(node, &ctx))
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}
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struct SyntaxTreeCtx {
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line_index: Arc<LineIndex>,
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in_string: Option<InStringCtx>,
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}
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struct InStringCtx {
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offset: u32,
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marker_positions: Vec<u32>,
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}
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#[cfg(test)]
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mod tests {
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use expect_test::expect;
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use crate::fixture;
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fn check(#[rust_analyzer::rust_fixture] ra_fixture: &str, expect: expect_test::Expect) {
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let (analysis, file_id) = fixture::file(ra_fixture);
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let syn = analysis.view_syntax_tree(file_id).unwrap();
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expect.assert_eq(&syn)
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}
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#[test]
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fn view_syntax_tree() {
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// Basic syntax
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check(
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r#"fn foo() {}"#,
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expect![[
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r#"{"type":"Node","kind":"SOURCE_FILE","start":[0,0,0],"end":[11,0,11],"children":[{"type":"Node","kind":"FN","start":[0,0,0],"end":[11,0,11],"children":[{"type":"Token","kind":"FN_KW","start":[0,0,0],"end":[2,0,2]},{"type":"Token","kind":"WHITESPACE","start":[2,0,2],"end":[3,0,3]},{"type":"Node","kind":"NAME","start":[3,0,3],"end":[6,0,6],"children":[{"type":"Token","kind":"IDENT","start":[3,0,3],"end":[6,0,6]}]},{"type":"Node","kind":"PARAM_LIST","start":[6,0,6],"end":[8,0,8],"children":[{"type":"Token","kind":"L_PAREN","start":[6,0,6],"end":[7,0,7]},{"type":"Token","kind":"R_PAREN","start":[7,0,7],"end":[8,0,8]}]},{"type":"Token","kind":"WHITESPACE","start":[8,0,8],"end":[9,0,9]},{"type":"Node","kind":"BLOCK_EXPR","start":[9,0,9],"end":[11,0,11],"children":[{"type":"Node","kind":"STMT_LIST","start":[9,0,9],"end":[11,0,11],"children":[{"type":"Token","kind":"L_CURLY","start":[9,0,9],"end":[10,0,10]},{"type":"Token","kind":"R_CURLY","start":[10,0,10],"end":[11,0,11]}]}]}]}]}"#
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]],
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);
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check(
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r#"
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fn test() {
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assert!("
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fn foo() {
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}
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", "");
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}"#,
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expect![[
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r#"{"type":"Node","kind":"SOURCE_FILE","start":[0,0,0],"end":[60,5,1],"children":[{"type":"Node","kind":"FN","start":[0,0,0],"end":[60,5,1],"children":[{"type":"Token","kind":"FN_KW","start":[0,0,0],"end":[2,0,2]},{"type":"Token","kind":"WHITESPACE","start":[2,0,2],"end":[3,0,3]},{"type":"Node","kind":"NAME","start":[3,0,3],"end":[7,0,7],"children":[{"type":"Token","kind":"IDENT","start":[3,0,3],"end":[7,0,7]}]},{"type":"Node","kind":"PARAM_LIST","start":[7,0,7],"end":[9,0,9],"children":[{"type":"Token","kind":"L_PAREN","start":[7,0,7],"end":[8,0,8]},{"type":"Token","kind":"R_PAREN","start":[8,0,8],"end":[9,0,9]}]},{"type":"Token","kind":"WHITESPACE","start":[9,0,9],"end":[10,0,10]},{"type":"Node","kind":"BLOCK_EXPR","start":[10,0,10],"end":[60,5,1],"children":[{"type":"Node","kind":"STMT_LIST","start":[10,0,10],"end":[60,5,1],"children":[{"type":"Token","kind":"L_CURLY","start":[10,0,10],"end":[11,0,11]},{"type":"Token","kind":"WHITESPACE","start":[11,0,11],"end":[16,1,4]},{"type":"Node","kind":"EXPR_STMT","start":[16,1,4],"end":[58,4,11],"children":[{"type":"Node","kind":"MACRO_EXPR","start":[16,1,4],"end":[57,4,10],"children":[{"type":"Node","kind":"MACRO_CALL","start":[16,1,4],"end":[57,4,10],"children":[{"type":"Node","kind":"PATH","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Node","kind":"PATH_SEGMENT","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Node","kind":"NAME_REF","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Token","kind":"IDENT","start":[16,1,4],"end":[22,1,10]}]}]}]},{"type":"Token","kind":"BANG","start":[22,1,10],"end":[23,1,11]},{"type":"Node","kind":"TOKEN_TREE","start":[23,1,11],"end":[57,4,10],"children":[{"type":"Token","kind":"L_PAREN","start":[23,1,11],"end":[24,1,12]},{"type":"Node","kind":"STRING","start":[24,1,12],"end":[52,4,5],"children":[{"type":"Node","kind":"SOURCE_FILE","start":[25,1,13],"end":[25,1,13],"istart":[0,0,0],"iend":[26,2,0],"children":[{"type":"Token","kind":"WHITESPACE","start":[25,1,13],"end":[25,1,13],"istart":[0,0,0],"iend":[5,0,5]},{"type":"Node","kind":"FN","start":[30,2,4],"end":[30,2,4],"istart":[5,0,5],"iend":[21,1,9],"children":[{"type":"Token","kind":"FN_KW","start":[30,2,4],"end":[30,2,4],"istart":[5,0,5],"iend":[7,0,7]},{"type":"Token","kind":"WHITESPACE","start":[32,2,6],"end":[32,2,6],"istart":[7,0,7],"iend":[8,0,8]},{"type":"Node","kind":"NAME","start":[33,2,7],"end":[33,2,7],"istart":[8,0,8],"iend":[11,0,11],"children":[{"type":"Token","kind":"IDENT","start":[33,2,7],"end":[33,2,7],"istart":[8,0,8],"iend":[11,0,11]}]},{"type":"Node","kind":"PARAM_LIST","start":[36,2,10],"end":[36,2,10],"istart":[11,0,11],"iend":[13,1,1],"children":[{"type":"Token","kind":"L_PAREN","start":[36,2,10],"end":[36,2,10],"istart":[11,0,11],"iend":[12,1,0]},{"type":"Token","kind":"R_PAREN","start":[37,2,11],"end":[37,2,11],"istart":[12,1,0],"iend":[13,1,1]}]},{"type":"Token","kind":"WHITESPACE","start":[38,2,12],"end":[38,2,12],"istart":[13,1,1],"iend":[14,1,2]},{"type":"Node","kind":"BLOCK_EXPR","start":[39,2,13],"end":[39,2,13],"istart":[14,1,2],"iend":[21,1,9],"children":[{"type":"Node","kind":"STMT_LIST","start":[39,2,13],"end":[39,2,13],"istart":[14,1,2],"iend":[21,1,9],"children":[{"type":"Token","kind":"L_CURLY","start":[39,2,13],"end":[39,2,13],"istart":[14,1,2],"iend":[15,1,3]},{"type":"Token","kind":"WHITESPACE","start":[40,2,14],"end":[40,2,14],"istart":[15,1,3],"iend":[20,1,8]},{"type":"Token","kind":"R_CURLY","start":[45,3,4],"end":[45,3,4],"istart":[20,1,8],"iend":[21,1,9]}]}]}]},{"type":"Token","kind":"WHITESPACE","start":[46,3,5],"end":[46,3,5],"istart":[21,1,9],"iend":[26,2,0]}]}]},{"type":"Token","kind":"COMMA","start":[52,4,5],"end":[53,4,6]},{"type":"Token","kind":"WHITESPACE","start":[53,4,6],"end":[54,4,7]},{"type":"Token","kind":"STRING","start":[54,4,7],"end":[56,4,9]},{"type":"Token","kind":"R_PAREN","start":[56,4,9],"end":[57,4,10]}]}]}]},{"type":"Token","kind":"SEMICOLON","start":[57,4,10],"end":[58,4,11]}]},{"type":"Token","kind":"WHITESPACE","start":[58,4,11],"end":[59,5,0]},{"type":"Token","kind":"R_CURLY","start":[59,5,0],"end":[60,5,1]}]}]}]}]}"#
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]],
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)
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}
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#[test]
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fn view_syntax_tree_inside_string() {
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check(
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r#"fn test() {
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assert!("
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$0fn foo() {
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}$0
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fn bar() {
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}
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", "");
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}"#,
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expect![[
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r#"{"type":"Node","kind":"SOURCE_FILE","start":[0,0,0],"end":[65,7,1],"children":[{"type":"Node","kind":"FN","start":[0,0,0],"end":[65,7,1],"children":[{"type":"Token","kind":"FN_KW","start":[0,0,0],"end":[2,0,2]},{"type":"Token","kind":"WHITESPACE","start":[2,0,2],"end":[3,0,3]},{"type":"Node","kind":"NAME","start":[3,0,3],"end":[7,0,7],"children":[{"type":"Token","kind":"IDENT","start":[3,0,3],"end":[7,0,7]}]},{"type":"Node","kind":"PARAM_LIST","start":[7,0,7],"end":[9,0,9],"children":[{"type":"Token","kind":"L_PAREN","start":[7,0,7],"end":[8,0,8]},{"type":"Token","kind":"R_PAREN","start":[8,0,8],"end":[9,0,9]}]},{"type":"Token","kind":"WHITESPACE","start":[9,0,9],"end":[10,0,10]},{"type":"Node","kind":"BLOCK_EXPR","start":[10,0,10],"end":[65,7,1],"children":[{"type":"Node","kind":"STMT_LIST","start":[10,0,10],"end":[65,7,1],"children":[{"type":"Token","kind":"L_CURLY","start":[10,0,10],"end":[11,0,11]},{"type":"Token","kind":"WHITESPACE","start":[11,0,11],"end":[16,1,4]},{"type":"Node","kind":"EXPR_STMT","start":[16,1,4],"end":[63,6,11],"children":[{"type":"Node","kind":"MACRO_EXPR","start":[16,1,4],"end":[62,6,10],"children":[{"type":"Node","kind":"MACRO_CALL","start":[16,1,4],"end":[62,6,10],"children":[{"type":"Node","kind":"PATH","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Node","kind":"PATH_SEGMENT","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Node","kind":"NAME_REF","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Token","kind":"IDENT","start":[16,1,4],"end":[22,1,10]}]}]}]},{"type":"Token","kind":"BANG","start":[22,1,10],"end":[23,1,11]},{"type":"Node","kind":"TOKEN_TREE","start":[23,1,11],"end":[62,6,10],"children":[{"type":"Token","kind":"L_PAREN","start":[23,1,11],"end":[24,1,12]},{"type":"Node","kind":"STRING","start":[24,1,12],"end":[57,6,5],"children":[{"type":"Node","kind":"SOURCE_FILE","start":[25,1,13],"end":[25,1,13],"istart":[0,0,0],"iend":[31,2,5],"children":[{"type":"Token","kind":"WHITESPACE","start":[25,1,13],"end":[25,1,13],"istart":[0,0,0],"iend":[1,0,1]},{"type":"Node","kind":"FN","start":[26,2,0],"end":[26,2,0],"istart":[1,0,1],"iend":[13,1,1],"children":[{"type":"Token","kind":"FN_KW","start":[26,2,0],"end":[26,2,0],"istart":[1,0,1],"iend":[3,0,3]},{"type":"Token","kind":"WHITESPACE","start":[28,2,2],"end":[28,2,2],"istart":[3,0,3],"iend":[4,0,4]},{"type":"Node","kind":"NAME","start":[29,2,3],"end":[29,2,3],"istart":[4,0,4],"iend":[7,0,7],"children":[{"type":"Token","kind":"IDENT","start":[29,2,3],"end":[29,2,3],"istart":[4,0,4],"iend":[7,0,7]}]},{"type":"Node","kind":"PARAM_LIST","start":[32,2,6],"end":[32,2,6],"istart":[7,0,7],"iend":[9,0,9],"children":[{"type":"Token","kind":"L_PAREN","start":[32,2,6],"end":[32,2,6],"istart":[7,0,7],"iend":[8,0,8]},{"type":"Token","kind":"R_PAREN","start":[33,2,7],"end":[33,2,7],"istart":[8,0,8],"iend":[9,0,9]}]},{"type":"Token","kind":"WHITESPACE","start":[34,2,8],"end":[34,2,8],"istart":[9,0,9],"iend":[10,0,10]},{"type":"Node","kind":"BLOCK_EXPR","start":[35,2,9],"end":[35,2,9],"istart":[10,0,10],"iend":[13,1,1],"children":[{"type":"Node","kind":"STMT_LIST","start":[35,2,9],"end":[35,2,9],"istart":[10,0,10],"iend":[13,1,1],"children":[{"type":"Token","kind":"L_CURLY","start":[35,2,9],"end":[35,2,9],"istart":[10,0,10],"iend":[11,0,11]},{"type":"Token","kind":"WHITESPACE","start":[36,2,10],"end":[36,2,10],"istart":[11,0,11],"iend":[12,1,0]},{"type":"Token","kind":"R_CURLY","start":[37,3,0],"end":[37,3,0],"istart":[12,1,0],"iend":[13,1,1]}]}]}]},{"type":"Token","kind":"WHITESPACE","start":[38,3,1],"end":[38,3,1],"istart":[13,1,1],"iend":[14,1,2]},{"type":"Node","kind":"FN","start":[39,4,0],"end":[39,4,0],"istart":[14,1,2],"iend":[26,2,0],"children":[{"type":"Token","kind":"FN_KW","start":[39,4,0],"end":[39,4,0],"istart":[14,1,2],"iend":[16,1,4]},{"type":"Token","kind":"WHITESPACE","start":[41,4,2],"end":[41,4,2],"istart":[16,1,4],"iend":[17,1,5]},{"type":"Node","kind":"NAME","start":[42,4,3],"end":[42,4,3],"istart":[17,1,5],"iend":[20,1,8],"children":[{"type":"Token","kind":"IDENT","start":[42,4,3],"end":[42,4,3],"istart":[17,1,5],"iend":[20,1,8]}]},{"type":"Node","kind":"PARAM_LIST","start":[45,4,6],"end":[45,4,6],"istart":[20,1,8],"iend":[22,1,10],"children":[{"type":"Token","kind":"L_PAREN","start":[45,4,6],"end":[45,4,6],"istart":[20,1,8],"iend":[21,1,9]},{"type":"Token","kind":"R_PAREN","start":[46,4,7],"end":[46,4,7],"istart":[21,1,9],"iend":[22,1,10]}]},{"type":"Token","kind":"WHITESPACE","start":[47,4,8],"end":[47,4,8],"istart":[22,1,10],"iend":[23,1,11]},{"type":"Node","kind":"BLOCK_EXPR","start":[48,4,9],"end":[48,4,9],"istart":[23,1,11],"iend":[26,2,0],"children":[{"type":"Node","kind":"STMT_LIST","start":[48,4,9],"end":[48,4,9],"istart":[23,1,11],"iend":[26,2,0],"children":[{"type":"Token","kind":"L_CURLY","start":[48,4,9],"end":[48,4,9],"istart":[23,1,11],"iend":[24,1,12]},{"type":"Token","kind":"WHITESPACE","start":[49,4,10],"end":[49,4,10],"istart":[24,1,12],"iend":[25,1,13]},{"type":"Token","kind":"R_CURLY","start":[50,5,0],"end":[50,5,0],"istart":[25,1,13],"iend":[26,2,0]}]}]}]},{"type":"Token","kind":"WHITESPACE","start":[51,5,1],"end":[51,5,1],"istart":[26,2,0],"iend":[31,2,5]}]}]},{"type":"Token","kind":"COMMA","start":[57,6,5],"end":[58,6,6]},{"type":"Token","kind":"WHITESPACE","start":[58,6,6],"end":[59,6,7]},{"type":"Token","kind":"STRING","start":[59,6,7],"end":[61,6,9]},{"type":"Token","kind":"R_PAREN","start":[61,6,9],"end":[62,6,10]}]}]}]},{"type":"Token","kind":"SEMICOLON","start":[62,6,10],"end":[63,6,11]}]},{"type":"Token","kind":"WHITESPACE","start":[63,6,11],"end":[64,7,0]},{"type":"Token","kind":"R_CURLY","start":[64,7,0],"end":[65,7,1]}]}]}]}]}"#
|
|
]],
|
|
);
|
|
|
|
// With a raw string
|
|
check(
|
|
r###"fn test() {
|
|
assert!(r#"
|
|
$0fn foo() {
|
|
}$0
|
|
fn bar() {
|
|
}
|
|
"#, "");
|
|
}"###,
|
|
expect![[
|
|
r#"{"type":"Node","kind":"SOURCE_FILE","start":[0,0,0],"end":[68,7,1],"children":[{"type":"Node","kind":"FN","start":[0,0,0],"end":[68,7,1],"children":[{"type":"Token","kind":"FN_KW","start":[0,0,0],"end":[2,0,2]},{"type":"Token","kind":"WHITESPACE","start":[2,0,2],"end":[3,0,3]},{"type":"Node","kind":"NAME","start":[3,0,3],"end":[7,0,7],"children":[{"type":"Token","kind":"IDENT","start":[3,0,3],"end":[7,0,7]}]},{"type":"Node","kind":"PARAM_LIST","start":[7,0,7],"end":[9,0,9],"children":[{"type":"Token","kind":"L_PAREN","start":[7,0,7],"end":[8,0,8]},{"type":"Token","kind":"R_PAREN","start":[8,0,8],"end":[9,0,9]}]},{"type":"Token","kind":"WHITESPACE","start":[9,0,9],"end":[10,0,10]},{"type":"Node","kind":"BLOCK_EXPR","start":[10,0,10],"end":[68,7,1],"children":[{"type":"Node","kind":"STMT_LIST","start":[10,0,10],"end":[68,7,1],"children":[{"type":"Token","kind":"L_CURLY","start":[10,0,10],"end":[11,0,11]},{"type":"Token","kind":"WHITESPACE","start":[11,0,11],"end":[16,1,4]},{"type":"Node","kind":"EXPR_STMT","start":[16,1,4],"end":[66,6,12],"children":[{"type":"Node","kind":"MACRO_EXPR","start":[16,1,4],"end":[65,6,11],"children":[{"type":"Node","kind":"MACRO_CALL","start":[16,1,4],"end":[65,6,11],"children":[{"type":"Node","kind":"PATH","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Node","kind":"PATH_SEGMENT","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Node","kind":"NAME_REF","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Token","kind":"IDENT","start":[16,1,4],"end":[22,1,10]}]}]}]},{"type":"Token","kind":"BANG","start":[22,1,10],"end":[23,1,11]},{"type":"Node","kind":"TOKEN_TREE","start":[23,1,11],"end":[65,6,11],"children":[{"type":"Token","kind":"L_PAREN","start":[23,1,11],"end":[24,1,12]},{"type":"Node","kind":"STRING","start":[24,1,12],"end":[60,6,6],"children":[{"type":"Node","kind":"SOURCE_FILE","start":[27,1,15],"end":[27,1,15],"istart":[0,0,0],"iend":[31,2,3],"children":[{"type":"Token","kind":"WHITESPACE","start":[27,1,15],"end":[27,1,15],"istart":[0,0,0],"iend":[1,0,1]},{"type":"Node","kind":"FN","start":[28,2,0],"end":[28,2,0],"istart":[1,0,1],"iend":[13,1,1],"children":[{"type":"Token","kind":"FN_KW","start":[28,2,0],"end":[28,2,0],"istart":[1,0,1],"iend":[3,0,3]},{"type":"Token","kind":"WHITESPACE","start":[30,2,2],"end":[30,2,2],"istart":[3,0,3],"iend":[4,0,4]},{"type":"Node","kind":"NAME","start":[31,2,3],"end":[31,2,3],"istart":[4,0,4],"iend":[7,0,7],"children":[{"type":"Token","kind":"IDENT","start":[31,2,3],"end":[31,2,3],"istart":[4,0,4],"iend":[7,0,7]}]},{"type":"Node","kind":"PARAM_LIST","start":[34,2,6],"end":[34,2,6],"istart":[7,0,7],"iend":[9,0,9],"children":[{"type":"Token","kind":"L_PAREN","start":[34,2,6],"end":[34,2,6],"istart":[7,0,7],"iend":[8,0,8]},{"type":"Token","kind":"R_PAREN","start":[35,2,7],"end":[35,2,7],"istart":[8,0,8],"iend":[9,0,9]}]},{"type":"Token","kind":"WHITESPACE","start":[36,2,8],"end":[36,2,8],"istart":[9,0,9],"iend":[10,0,10]},{"type":"Node","kind":"BLOCK_EXPR","start":[37,2,9],"end":[37,2,9],"istart":[10,0,10],"iend":[13,1,1],"children":[{"type":"Node","kind":"STMT_LIST","start":[37,2,9],"end":[37,2,9],"istart":[10,0,10],"iend":[13,1,1],"children":[{"type":"Token","kind":"L_CURLY","start":[37,2,9],"end":[37,2,9],"istart":[10,0,10],"iend":[11,0,11]},{"type":"Token","kind":"WHITESPACE","start":[38,2,10],"end":[38,2,10],"istart":[11,0,11],"iend":[12,1,0]},{"type":"Token","kind":"R_CURLY","start":[39,3,0],"end":[39,3,0],"istart":[12,1,0],"iend":[13,1,1]}]}]}]},{"type":"Token","kind":"WHITESPACE","start":[40,3,1],"end":[40,3,1],"istart":[13,1,1],"iend":[14,1,2]},{"type":"Node","kind":"FN","start":[41,4,0],"end":[41,4,0],"istart":[14,1,2],"iend":[26,1,14],"children":[{"type":"Token","kind":"FN_KW","start":[41,4,0],"end":[41,4,0],"istart":[14,1,2],"iend":[16,1,4]},{"type":"Token","kind":"WHITESPACE","start":[43,4,2],"end":[43,4,2],"istart":[16,1,4],"iend":[17,1,5]},{"type":"Node","kind":"NAME","start":[44,4,3],"end":[44,4,3],"istart":[17,1,5],"iend":[20,1,8],"children":[{"type":"Token","kind":"IDENT","start":[44,4,3],"end":[44,4,3],"istart":[17,1,5],"iend":[20,1,8]}]},{"type":"Node","kind":"PARAM_LIST","start":[47,4,6],"end":[47,4,6],"istart":[20,1,8],"iend":[22,1,10],"children":[{"type":"Token","kind":"L_PAREN","start":[47,4,6],"end":[47,4,6],"istart":[20,1,8],"iend":[21,1,9]},{"type":"Token","kind":"R_PAREN","start":[48,4,7],"end":[48,4,7],"istart":[21,1,9],"iend":[22,1,10]}]},{"type":"Token","kind":"WHITESPACE","start":[49,4,8],"end":[49,4,8],"istart":[22,1,10],"iend":[23,1,11]},{"type":"Node","kind":"BLOCK_EXPR","start":[50,4,9],"end":[50,4,9],"istart":[23,1,11],"iend":[26,1,14],"children":[{"type":"Node","kind":"STMT_LIST","start":[50,4,9],"end":[50,4,9],"istart":[23,1,11],"iend":[26,1,14],"children":[{"type":"Token","kind":"L_CURLY","start":[50,4,9],"end":[50,4,9],"istart":[23,1,11],"iend":[24,1,12]},{"type":"Token","kind":"WHITESPACE","start":[51,4,10],"end":[51,4,10],"istart":[24,1,12],"iend":[25,1,13]},{"type":"Token","kind":"R_CURLY","start":[52,5,0],"end":[52,5,0],"istart":[25,1,13],"iend":[26,1,14]}]}]}]},{"type":"Token","kind":"WHITESPACE","start":[53,5,1],"end":[53,5,1],"istart":[26,1,14],"iend":[31,2,3]}]}]},{"type":"Token","kind":"COMMA","start":[60,6,6],"end":[61,6,7]},{"type":"Token","kind":"WHITESPACE","start":[61,6,7],"end":[62,6,8]},{"type":"Token","kind":"STRING","start":[62,6,8],"end":[64,6,10]},{"type":"Token","kind":"R_PAREN","start":[64,6,10],"end":[65,6,11]}]}]}]},{"type":"Token","kind":"SEMICOLON","start":[65,6,11],"end":[66,6,12]}]},{"type":"Token","kind":"WHITESPACE","start":[66,6,12],"end":[67,7,0]},{"type":"Token","kind":"R_CURLY","start":[67,7,0],"end":[68,7,1]}]}]}]}]}"#
|
|
]],
|
|
);
|
|
|
|
// With a raw string
|
|
check(
|
|
r###"fn test() {
|
|
assert!(r$0#"
|
|
fn foo() {
|
|
}
|
|
fn bar() {
|
|
}"$0#, "");
|
|
}"###,
|
|
expect![[
|
|
r#"{"type":"Node","kind":"SOURCE_FILE","start":[0,0,0],"end":[63,6,1],"children":[{"type":"Node","kind":"FN","start":[0,0,0],"end":[63,6,1],"children":[{"type":"Token","kind":"FN_KW","start":[0,0,0],"end":[2,0,2]},{"type":"Token","kind":"WHITESPACE","start":[2,0,2],"end":[3,0,3]},{"type":"Node","kind":"NAME","start":[3,0,3],"end":[7,0,7],"children":[{"type":"Token","kind":"IDENT","start":[3,0,3],"end":[7,0,7]}]},{"type":"Node","kind":"PARAM_LIST","start":[7,0,7],"end":[9,0,9],"children":[{"type":"Token","kind":"L_PAREN","start":[7,0,7],"end":[8,0,8]},{"type":"Token","kind":"R_PAREN","start":[8,0,8],"end":[9,0,9]}]},{"type":"Token","kind":"WHITESPACE","start":[9,0,9],"end":[10,0,10]},{"type":"Node","kind":"BLOCK_EXPR","start":[10,0,10],"end":[63,6,1],"children":[{"type":"Node","kind":"STMT_LIST","start":[10,0,10],"end":[63,6,1],"children":[{"type":"Token","kind":"L_CURLY","start":[10,0,10],"end":[11,0,11]},{"type":"Token","kind":"WHITESPACE","start":[11,0,11],"end":[16,1,4]},{"type":"Node","kind":"EXPR_STMT","start":[16,1,4],"end":[61,5,9],"children":[{"type":"Node","kind":"MACRO_EXPR","start":[16,1,4],"end":[60,5,8],"children":[{"type":"Node","kind":"MACRO_CALL","start":[16,1,4],"end":[60,5,8],"children":[{"type":"Node","kind":"PATH","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Node","kind":"PATH_SEGMENT","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Node","kind":"NAME_REF","start":[16,1,4],"end":[22,1,10],"children":[{"type":"Token","kind":"IDENT","start":[16,1,4],"end":[22,1,10]}]}]}]},{"type":"Token","kind":"BANG","start":[22,1,10],"end":[23,1,11]},{"type":"Node","kind":"TOKEN_TREE","start":[23,1,11],"end":[60,5,8],"children":[{"type":"Token","kind":"L_PAREN","start":[23,1,11],"end":[24,1,12]},{"type":"Node","kind":"STRING","start":[24,1,12],"end":[55,5,3],"children":[{"type":"Node","kind":"SOURCE_FILE","start":[27,1,15],"end":[27,1,15],"istart":[0,0,0],"iend":[26,1,14],"children":[{"type":"Token","kind":"WHITESPACE","start":[27,1,15],"end":[27,1,15],"istart":[0,0,0],"iend":[1,0,1]},{"type":"Node","kind":"FN","start":[28,2,0],"end":[28,2,0],"istart":[1,0,1],"iend":[13,1,1],"children":[{"type":"Token","kind":"FN_KW","start":[28,2,0],"end":[28,2,0],"istart":[1,0,1],"iend":[3,0,3]},{"type":"Token","kind":"WHITESPACE","start":[30,2,2],"end":[30,2,2],"istart":[3,0,3],"iend":[4,0,4]},{"type":"Node","kind":"NAME","start":[31,2,3],"end":[31,2,3],"istart":[4,0,4],"iend":[7,0,7],"children":[{"type":"Token","kind":"IDENT","start":[31,2,3],"end":[31,2,3],"istart":[4,0,4],"iend":[7,0,7]}]},{"type":"Node","kind":"PARAM_LIST","start":[34,2,6],"end":[34,2,6],"istart":[7,0,7],"iend":[9,0,9],"children":[{"type":"Token","kind":"L_PAREN","start":[34,2,6],"end":[34,2,6],"istart":[7,0,7],"iend":[8,0,8]},{"type":"Token","kind":"R_PAREN","start":[35,2,7],"end":[35,2,7],"istart":[8,0,8],"iend":[9,0,9]}]},{"type":"Token","kind":"WHITESPACE","start":[36,2,8],"end":[36,2,8],"istart":[9,0,9],"iend":[10,0,10]},{"type":"Node","kind":"BLOCK_EXPR","start":[37,2,9],"end":[37,2,9],"istart":[10,0,10],"iend":[13,1,1],"children":[{"type":"Node","kind":"STMT_LIST","start":[37,2,9],"end":[37,2,9],"istart":[10,0,10],"iend":[13,1,1],"children":[{"type":"Token","kind":"L_CURLY","start":[37,2,9],"end":[37,2,9],"istart":[10,0,10],"iend":[11,0,11]},{"type":"Token","kind":"WHITESPACE","start":[38,2,10],"end":[38,2,10],"istart":[11,0,11],"iend":[12,1,0]},{"type":"Token","kind":"R_CURLY","start":[39,3,0],"end":[39,3,0],"istart":[12,1,0],"iend":[13,1,1]}]}]}]},{"type":"Token","kind":"WHITESPACE","start":[40,3,1],"end":[40,3,1],"istart":[13,1,1],"iend":[14,1,2]},{"type":"Node","kind":"FN","start":[41,4,0],"end":[41,4,0],"istart":[14,1,2],"iend":[26,1,14],"children":[{"type":"Token","kind":"FN_KW","start":[41,4,0],"end":[41,4,0],"istart":[14,1,2],"iend":[16,1,4]},{"type":"Token","kind":"WHITESPACE","start":[43,4,2],"end":[43,4,2],"istart":[16,1,4],"iend":[17,1,5]},{"type":"Node","kind":"NAME","start":[44,4,3],"end":[44,4,3],"istart":[17,1,5],"iend":[20,1,8],"children":[{"type":"Token","kind":"IDENT","start":[44,4,3],"end":[44,4,3],"istart":[17,1,5],"iend":[20,1,8]}]},{"type":"Node","kind":"PARAM_LIST","start":[47,4,6],"end":[47,4,6],"istart":[20,1,8],"iend":[22,1,10],"children":[{"type":"Token","kind":"L_PAREN","start":[47,4,6],"end":[47,4,6],"istart":[20,1,8],"iend":[21,1,9]},{"type":"Token","kind":"R_PAREN","start":[48,4,7],"end":[48,4,7],"istart":[21,1,9],"iend":[22,1,10]}]},{"type":"Token","kind":"WHITESPACE","start":[49,4,8],"end":[49,4,8],"istart":[22,1,10],"iend":[23,1,11]},{"type":"Node","kind":"BLOCK_EXPR","start":[50,4,9],"end":[50,4,9],"istart":[23,1,11],"iend":[26,1,14],"children":[{"type":"Node","kind":"STMT_LIST","start":[50,4,9],"end":[50,4,9],"istart":[23,1,11],"iend":[26,1,14],"children":[{"type":"Token","kind":"L_CURLY","start":[50,4,9],"end":[50,4,9],"istart":[23,1,11],"iend":[24,1,12]},{"type":"Token","kind":"WHITESPACE","start":[51,4,10],"end":[51,4,10],"istart":[24,1,12],"iend":[25,1,13]},{"type":"Token","kind":"R_CU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|
|
]],
|
|
);
|
|
}
|
|
}
|