wat_service 0.7.0

WebAssembly Text Format language service.
Documentation 
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use crate::{
    LanguageService,
    binder::{SymbolKind, SymbolTable},
    helpers,
};
use line_index::LineIndex;
use lspt::{Diagnostic, DiagnosticSeverity, Union2};

const DIAGNOSTIC_CODE: &str = "undef";

pub fn check(
    service: &LanguageService,
    diagnostics: &mut Vec<Diagnostic>,
    line_index: &LineIndex,
    symbol_table: &SymbolTable,
) {
    diagnostics.extend(
        symbol_table
            .symbols
            .values()
            .filter(|symbol| match symbol.kind {
                SymbolKind::Module
                | SymbolKind::Func
                | SymbolKind::Param
                | SymbolKind::Local
                | SymbolKind::Type
                | SymbolKind::GlobalDef
                | SymbolKind::MemoryDef
                | SymbolKind::TableDef
                | SymbolKind::BlockDef
                | SymbolKind::FieldDef
                | SymbolKind::TagDef => false,
                SymbolKind::Call
                | SymbolKind::LocalRef
                | SymbolKind::TypeUse
                | SymbolKind::GlobalRef
                | SymbolKind::MemoryRef
                | SymbolKind::TableRef
                | SymbolKind::FieldRef
                | SymbolKind::BlockRef
                | SymbolKind::TagRef => !symbol_table.resolved.contains_key(&symbol.key),
            })
            .map(|symbol| Diagnostic {
                range: helpers::rowan_range_to_lsp_range(line_index, symbol.key.text_range()),
                severity: Some(DiagnosticSeverity::Error),
                source: Some("wat".into()),
                code: Some(Union2::B(DIAGNOSTIC_CODE.into())),
                message: format!(
                    "cannot find {} `{}` in this scope",
                    symbol.kind,
                    symbol.idx.render(service),
                ),
                ..Default::default()
            }),
    );
}