forked from AbleOS/ableos_userland
102 lines
1.5 KiB
Rust
102 lines
1.5 KiB
Rust
//! **note** the order of fields is the order of parsing.
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use std::collections::HashMap;
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/// An IDL module.
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///
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/// Parsing order:
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/// - use declarations,
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/// - items
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#[derive(Debug)]
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pub struct IDLModule {
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// why: only allow use before other items
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// parser will error if use is present in any other place
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pub uses: Vec<UseDecl>,
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pub items: Vec<Item>,
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}
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#[derive(Debug)]
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pub enum Item {
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_Interface(ItemInterface),
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Alias(ItemAlias),
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Constant(ItemConstant),
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}
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#[derive(Debug)]
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pub struct Function {
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pub name: String,
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pub takes: Vec<Type>,
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pub returns: Type
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}
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// why
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pub type Type = String;
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#[derive(Debug)]
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pub struct ItemInterface {
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pub name: String,
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pub functions: Vec<Function>,
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}
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#[derive(Debug)]
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pub struct ItemAlias {
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pub name: String,
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pub referree: String,
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}
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#[derive(Debug)]
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pub struct ItemConstant {
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pub name: String,
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pub expr: Expr
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}
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#[derive(Debug)]
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pub struct UseDecl {
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pub module: ModulePath,
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}
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#[derive(Debug)]
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pub enum Expr {
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Literal(Literal),
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_IdentAccess(String),
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Make(Box<ExprMake>)
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}
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#[derive(Debug)]
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pub struct ExprMake {
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pub name: String,
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pub params: HashMap<String, Expr>
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}
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#[derive(Debug)]
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pub enum Literal {
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String(String),
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Number(NumberLiteral),
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Char(char)
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}
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#[derive(Debug)]
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pub enum NumberLiteral {
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Ptr(usize),
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U8(u8),
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I8(i8),
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U16(u16),
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I16(i16),
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U32(u32),
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I32(i32),
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U64(u64),
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I64(i64),
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Infer(i64),
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}
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/// seg1.seg2.seg3.segN
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#[derive(Debug)]
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pub struct ModulePath {
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pub segments: Vec<String>,
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}
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