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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,276 @@ | ||
| use std::path::Path; | ||
|
|
||
| use erg_common::Str; | ||
| use erg_compiler::artifact::BuildRunnable; | ||
| use erg_compiler::erg_parser::ast::{ClassAttr, Expr, Literal}; | ||
| use erg_compiler::erg_parser::parse::Parsable; | ||
|
|
||
| use erg_compiler::erg_parser::token::{Token, TokenKind}; | ||
| use erg_compiler::ty::Type; | ||
| use erg_compiler::varinfo::VarInfo; | ||
| use lsp_types::{DocumentLink, DocumentLinkParams, Position, Range, Url}; | ||
|
|
||
| use crate::_log; | ||
| use crate::server::{ELSResult, RedirectableStdout, Server}; | ||
| use crate::util::NormalizedUrl; | ||
|
|
||
| /// programming related words are not considered usual words (e.g. `if`, `while`) | ||
| fn is_usual_word(word: &str) -> bool { | ||
| matches!( | ||
| word, | ||
| "a" | "the" | ||
| | "an" | ||
| | "is" | ||
| | "are" | ||
| | "was" | ||
| | "were" | ||
| | "be" | ||
| | "been" | ||
| | "being" | ||
| | "am" | ||
| | "does" | ||
| | "did" | ||
| | "done" | ||
| | "doing" | ||
| | "have" | ||
| | "has" | ||
| | "had" | ||
| | "having" | ||
| | "will" | ||
| | "shall" | ||
| | "would" | ||
| | "should" | ||
| | "may" | ||
| | "might" | ||
| | "must" | ||
| | "can" | ||
| | "could" | ||
| | "need" | ||
| | "used" | ||
| | "to" | ||
| | "of" | ||
| | "in" | ||
| | "on" | ||
| | "at" | ||
| | "by" | ||
| | "with" | ||
| | "from" | ||
| | "about" | ||
| | "between" | ||
| | "among" | ||
| | "into" | ||
| | "onto" | ||
| | "upon" | ||
| | "over" | ||
| | "under" | ||
| | "above" | ||
| | "below" | ||
| | "behind" | ||
| | "beside" | ||
| | "before" | ||
| | "after" | ||
| | "during" | ||
| | "through" | ||
| | "across" | ||
| | "against" | ||
| | "towards" | ||
| | "around" | ||
| | "besides" | ||
| | "like" | ||
| | "near" | ||
| | "till" | ||
| | "until" | ||
| | "throughout" | ||
| | "within" | ||
| | "without" | ||
| | "according" | ||
| | "though" | ||
| | "whereas" | ||
| | "whether" | ||
| | "so" | ||
| | "although" | ||
| ) | ||
| } | ||
|
|
||
| impl<Checker: BuildRunnable, Parser: Parsable> Server<Checker, Parser> { | ||
| pub(crate) fn handle_document_link( | ||
| &mut self, | ||
| params: DocumentLinkParams, | ||
| ) -> ELSResult<Option<Vec<DocumentLink>>> { | ||
| _log!(self, "document link requested: {params:?}"); | ||
| let uri = NormalizedUrl::new(params.text_document.uri); | ||
| let mut res = vec![]; | ||
| res.extend(self.get_document_link(&uri)); | ||
| Ok(Some(res)) | ||
| } | ||
|
|
||
| fn get_document_link(&self, uri: &NormalizedUrl) -> Vec<DocumentLink> { | ||
| let mut res = vec![]; | ||
| if let Some(ast) = self.get_ast(uri) { | ||
| let mut comments = vec![]; | ||
| for chunk in ast.block().iter() { | ||
| comments.extend(self.get_doc_comments(chunk)); | ||
| } | ||
| for comment in comments { | ||
| res.extend(self.gen_doc_link(uri, comment)); | ||
| } | ||
| } else if let Ok(ast) = self.build_ast(uri) { | ||
| let mut comments = vec![]; | ||
| for chunk in ast.block().iter() { | ||
| comments.extend(self.get_doc_comments(chunk)); | ||
| } | ||
| for comment in comments { | ||
| res.extend(self.gen_doc_link(uri, comment)); | ||
| } | ||
| } | ||
| for comment in self.get_comments(uri) { | ||
| res.extend(self.gen_doc_link(uri, &comment)); | ||
| } | ||
| res | ||
| } | ||
|
|
||
| fn gen_doc_link(&self, uri: &NormalizedUrl, comment: &Literal) -> Vec<DocumentLink> { | ||
| let mut res = vec![]; | ||
| let Some(mod_ctx) = self.get_mod_ctx(uri) else { | ||
| return vec![]; | ||
| }; | ||
| let mut line = comment.token.lineno.saturating_sub(1); | ||
| let mut col = comment.token.col_begin; | ||
| for li in comment.token.content.split('\n') { | ||
| let li = Str::rc(li); | ||
| let words = li.split_with(&[" ", "'", "\"", "`"]); | ||
| for word in words { | ||
| if word.trim().is_empty() || is_usual_word(word) { | ||
| col += word.len() as u32 + 1; | ||
| continue; | ||
| } | ||
| let range = Range { | ||
| start: Position { | ||
| line, | ||
| character: col, | ||
| }, | ||
| end: Position { | ||
| line, | ||
| character: col + word.len() as u32, | ||
| }, | ||
| }; | ||
| let typ = Type::Mono(Str::rc(word)); | ||
| if let Some(path) = self.cfg.input.resolve_path(Path::new(word), &self.cfg) { | ||
| let target = Url::from_file_path(path).ok(); | ||
| res.push(DocumentLink { | ||
| range, | ||
| target, | ||
| tooltip: Some(format!("module {word}")), | ||
| data: None, | ||
| }); | ||
| } else if let Some((_, vi)) = mod_ctx.context.get_type_info(&typ) { | ||
| res.push(self.gen_doc_link_from_vi(word, range, vi)); | ||
| } | ||
| col += word.len() as u32 + 1; | ||
| } | ||
| line += 1; | ||
| col = 0; | ||
| } | ||
| res | ||
| } | ||
|
|
||
| fn gen_doc_link_from_vi(&self, name: &str, range: Range, vi: &VarInfo) -> DocumentLink { | ||
| let mut target = if let Some(path) = vi.t.module_path() { | ||
| Url::from_file_path(path).ok() | ||
| } else { | ||
| vi.def_loc | ||
| .module | ||
| .as_ref() | ||
| .and_then(|path| Url::from_file_path(path).ok()) | ||
| }; | ||
| if let Some(target) = target.as_mut() { | ||
| target.set_fragment( | ||
| vi.def_loc | ||
| .loc | ||
| .ln_begin() | ||
| .map(|l| format!("L{l}")) | ||
| .as_deref(), | ||
| ); | ||
| } | ||
| let tooltip = format!("{name}: {}", vi.t); | ||
| DocumentLink { | ||
| range, | ||
| target, | ||
| tooltip: Some(tooltip), | ||
| data: None, | ||
| } | ||
| } | ||
|
|
||
| #[allow(clippy::only_used_in_recursion)] | ||
| fn get_doc_comments<'e>(&self, expr: &'e Expr) -> Vec<&'e Literal> { | ||
| match expr { | ||
| Expr::Literal(lit) if lit.is_doc_comment() => vec![lit], | ||
| Expr::Def(def) => { | ||
| let mut comments = vec![]; | ||
| for chunk in def.body.block.iter() { | ||
| comments.extend(self.get_doc_comments(chunk)); | ||
| } | ||
| comments | ||
| } | ||
| Expr::Methods(methods) => { | ||
| let mut comments = vec![]; | ||
| for chunk in methods.attrs.iter() { | ||
| match chunk { | ||
| ClassAttr::Def(def) => { | ||
| for chunk in def.body.block.iter() { | ||
| comments.extend(self.get_doc_comments(chunk)); | ||
| } | ||
| } | ||
| ClassAttr::Doc(lit) => { | ||
| comments.push(lit); | ||
| } | ||
| _ => {} | ||
| } | ||
| } | ||
| comments | ||
| } | ||
| Expr::Call(call) => { | ||
| let mut comments = vec![]; | ||
| for arg in call.args.pos_args() { | ||
| comments.extend(self.get_doc_comments(&arg.expr)); | ||
| } | ||
| comments | ||
| } | ||
| Expr::Lambda(lambda) => { | ||
| let mut comments = vec![]; | ||
| for chunk in lambda.body.iter() { | ||
| comments.extend(self.get_doc_comments(chunk)); | ||
| } | ||
| comments | ||
| } | ||
| Expr::Dummy(dummy) => { | ||
| let mut comments = vec![]; | ||
| for chunk in dummy.exprs.iter() { | ||
| comments.extend(self.get_doc_comments(chunk)); | ||
| } | ||
| comments | ||
| } | ||
| Expr::InlineModule(module) => { | ||
| let mut comments = vec![]; | ||
| for chunk in module.ast.module.block().iter() { | ||
| comments.extend(self.get_doc_comments(chunk)); | ||
| } | ||
| comments | ||
| } | ||
| _ => vec![], | ||
| } | ||
| } | ||
|
|
||
| fn get_comments(&self, uri: &NormalizedUrl) -> Vec<Literal> { | ||
| let mut lines = vec![]; | ||
| if let Ok(code) = self.file_cache.get_entire_code(uri) { | ||
| for (line, li) in code.lines().enumerate() { | ||
| if let Some(li) = li.strip_prefix("#") { | ||
| let token = Token::new(TokenKind::DocComment, Str::rc(li), line as u32 + 1, 1); | ||
| lines.push(Literal::new(token)); | ||
| } | ||
| } | ||
| } | ||
| lines | ||
| } | ||
| } |
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