aiken/crates/aiken-lsp/src/quickfix.rs

111 lines
3.3 KiB
Rust

use crate::{
edits::{self, AnnotatedEdit, ParsedDocument},
server::lsp_project::LspProject,
};
use std::collections::HashMap;
const UNKNOWN_VARIABLE: &str = "aiken::check::unknown::variable";
const UNKNOWN_MODULE: &str = "aiken::check::unknown::module";
/// Errors for which we can provide quickfixes
pub enum Quickfix {
UnknownIdentifier,
UnknownModule,
}
fn match_code(diagnostic: &lsp_types::Diagnostic, expected: &str) -> bool {
diagnostic.code == Some(lsp_types::NumberOrString::String(expected.to_string()))
}
/// Assert whether a diagnostic can be automatically fixed. Note that diagnostics often comes in
/// two severities, an error and hint; so we must be careful only addressing errors.
pub fn assert(diagnostic: &lsp_types::Diagnostic) -> Option<Quickfix> {
let is_error = diagnostic.severity == Some(lsp_types::DiagnosticSeverity::ERROR);
if is_error && match_code(diagnostic, UNKNOWN_VARIABLE) {
return Some(Quickfix::UnknownIdentifier);
}
if is_error && match_code(diagnostic, UNKNOWN_MODULE) {
return Some(Quickfix::UnknownModule);
}
None
}
pub fn quickfix(
compiler: &LspProject,
text_document: &lsp_types::TextDocumentIdentifier,
diagnostic: &lsp_types::Diagnostic,
quickfix: &Quickfix,
) -> Vec<lsp_types::CodeAction> {
let mut actions = Vec::new();
if let Some(ref parsed_document) = edits::parse_document(text_document) {
if let Some(serde_json::Value::String(ref data)) = diagnostic.data {
let edits = match quickfix {
Quickfix::UnknownIdentifier => unknown_identifier(compiler, parsed_document, data),
Quickfix::UnknownModule => unknown_module(compiler, parsed_document, data),
};
for (title, edit) in edits.into_iter() {
let mut changes = HashMap::new();
changes.insert(text_document.uri.clone(), vec![edit]);
actions.push(lsp_types::CodeAction {
title,
kind: Some(lsp_types::CodeActionKind::QUICKFIX),
diagnostics: Some(vec![diagnostic.clone()]),
is_preferred: Some(true),
disabled: None,
data: None,
command: None,
edit: Some(lsp_types::WorkspaceEdit {
changes: Some(changes),
document_changes: None,
change_annotations: None,
}),
});
}
}
}
actions
}
fn unknown_identifier(
compiler: &LspProject,
parsed_document: &ParsedDocument,
var_name: &str,
) -> Vec<AnnotatedEdit> {
let mut edits = Vec::new();
for module in compiler.project.modules() {
if module.ast.has_definition(var_name) {
if let Some(edit) = parsed_document.import(&module, Some(var_name)) {
edits.push(edit)
}
}
}
edits
}
fn unknown_module(
compiler: &LspProject,
parsed_document: &ParsedDocument,
module_name: &str,
) -> Vec<AnnotatedEdit> {
let mut edits = Vec::new();
for module in compiler.project.modules() {
if module.name.ends_with(module_name) {
if let Some(edit) = parsed_document.import(&module, None) {
edits.push(edit);
}
}
}
edits
}