bquarkz
565fc0e451
Co-authored-by: Nilton Constantino <nilton.constantino@visma.com> Reviewed-on: #8
80 lines
1.7 KiB
Rust
80 lines
1.7 KiB
Rust
use crate::common::spans::Span;
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use crate::frontends::pbs::types::PbsType;
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use serde::{Deserialize, Serialize};
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use std::collections::HashMap;
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
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pub enum Visibility {
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FilePrivate,
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Mod,
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Pub,
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, PartialOrd, Ord)]
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pub enum SymbolKind {
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Function,
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Service,
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Struct,
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Contract,
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ErrorType,
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Local,
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}
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
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pub enum Namespace {
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Type,
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Value,
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}
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#[derive(Debug, Clone)]
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pub struct Symbol {
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pub name: String,
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pub kind: SymbolKind,
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pub namespace: Namespace,
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pub visibility: Visibility,
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pub ty: Option<PbsType>,
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pub is_host: bool,
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pub span: Span,
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pub origin: Option<String>, // e.g. "@sdk:gfx" or "./other"
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}
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#[derive(Debug, Clone)]
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pub struct SymbolTable {
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pub symbols: HashMap<String, Symbol>,
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}
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#[derive(Debug, Clone)]
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pub struct ModuleSymbols {
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pub type_symbols: SymbolTable,
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pub value_symbols: SymbolTable,
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}
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impl ModuleSymbols {
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pub fn new() -> Self {
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Self {
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type_symbols: SymbolTable::new(),
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value_symbols: SymbolTable::new(),
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}
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}
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}
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impl SymbolTable {
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pub fn new() -> Self {
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Self {
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symbols: HashMap::new(),
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}
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}
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pub fn insert(&mut self, symbol: Symbol) -> Result<(), Symbol> {
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if let Some(existing) = self.symbols.get(&symbol.name) {
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return Err(existing.clone());
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}
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self.symbols.insert(symbol.name.clone(), symbol);
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Ok(())
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}
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pub fn get(&self, name: &str) -> Option<&Symbol> {
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self.symbols.get(name)
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}
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}
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