wat_service 0.8.0

WebAssembly Text Format language service.
Documentation 
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use crate::{LanguageService, document::Document, helpers};
use line_index::LineIndex;
use lspt::{Diagnostic, DiagnosticSeverity, Union2};
use wat_parser::Message;

const DIAGNOSTIC_CODE: &str = "syntax";

pub fn check(
    service: &LanguageService,
    diagnostics: &mut Vec<Diagnostic>,
    document: Document,
    line_index: &LineIndex,
) {
    diagnostics.extend(
        document
            .syntax_errors(service)
            .iter()
            .map(|error| Diagnostic {
                range: helpers::rowan_range_to_lsp_range(line_index, error.range),
                severity: Some(DiagnosticSeverity::Error),
                source: Some("wat".into()),
                code: if let Message::Name(name) = error.message {
                    Some(Union2::B(format!(
                        "{DIAGNOSTIC_CODE}/{}",
                        name.replace(' ', "-")
                    )))
                } else {
                    Some(Union2::B(DIAGNOSTIC_CODE.into()))
                },
                message: format!("syntax error: {}", error.message),
                ..Default::default()
            }),
    );
}