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-rw-r--r--src/ast.rs116
1 files changed, 0 insertions, 116 deletions
diff --git a/src/ast.rs b/src/ast.rs
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index 6c7963e..0000000
--- a/src/ast.rs
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@@ -1,116 +0,0 @@
-/// Representation of Tokens, function names, the like...
-pub type Id = String;
-
-/// Puck's fundamental types.
-pub enum Type {
- Void, Never,
- Integer, Float, String, // char et al are defined later
- Func{from: Box<Type>, to: Box<Type>}, // todo: multiple params, effects
- Struct(Vec<(Id, Box<Type>)>),
- Tuple(Vec<(Option<String>, Box<Type>)>),
- Union(Vec<(Id, Box<Type>)>),
- Interface {
- funcs: Vec<Sig>,
- for_type: Option<Box<Type>>,
- },
- Array{size: usize, kind: Box<Type>},
- List(Box<Type>),
- Slice(Box<Type>), // todo: plus ownership
- Reference(Box<Type>),
- Mutable(Box<Type>), // parameters only
- Static(Box<Type>), // parameters only
- Alias{ id: Id, params: Vec<Type> }, // todo: this is wrong
-}
-
-/// Function signatures.
-pub struct Sig {
- effect: Option<Id>,
- id: Id,
- generics: Vec<(Id, Option<Type>)>,
- params: Vec<Type>,
- result: Option<Type>
-}
-
-/// Patterns are recognizable given zero context.
-/// This is why there is a generic Number term and no Bool term.
-/// Also can be considered to be a Term/Value.
-pub enum Pattern {
- Ident(Id), // type aliases, union variants, calls...
- Number(i64), Float(f64),
- Char(char), String(String),
- Struct(Vec<StructPattern>),
- Tuple(Vec<TuplePattern>),
- List(Vec<Expr>), // arrays, slices, lists
-}
-
-pub struct StructPattern { field: Id, value: Expr }
-pub struct TuplePattern { field: Option<Id>, value: Expr }
-
-/// Expressions introduce a new binding or bindings, in some regard.
-pub enum Binding {
- Let {
- id: Pattern, // id: Pattern supports ex. `let (a, b) = ...`
- kind: Option<Type>,
- value: Box<Expr>
- },
- Var {
- id: Pattern,
- kind: Option<Type>,
- value: Option<Box<Expr>> // variable bindings can be delayed
- },
- Const {
- public: bool,
- id: Pattern,
- kind: Option<Type>,
- value: Box<Expr>
- },
- FuncDecl {
- public: bool,
- effect: Option<Id>,
- id: Id,
- generics: Vec<GenericDecl>,
- params: Vec<ParamDecl>,
- kind: Type,
- body: Vec<Expr>
- },
- TypeDecl { id: Id, generics: Vec<Id>, alias: Type },
- Import { from: Option<Id>, imports: Vec<Id>, alias: Option<Id> },
- Module { id: Id, body: Vec<Expr> },
-}
-
-pub struct GenericDecl { id: Id, kind: Option<Type> }
-pub struct ParamDecl { id: Id, kind: Type }
-
-/// Expressions related to control flow.
-pub enum Control {
- Call { id: Id, params: Vec<Expr> }, // function calls, macro invocations, field access...
- If {
- branches: Vec<CondBranch>,
- else_body: Option<Vec<Expr>>
- },
- Try {
- body: Vec<Expr>,
- catches: Vec<CatchBranch>,
- finally: Option<Vec<Expr>>
- },
- Match {
- item: Pattern,
- branches: Vec<MatchBranch>
- },
- Block { id: Option<Id>, body: Vec<Expr> },
- Static { body: Vec<Expr> },
- For { binding: Pattern, range: Box<Expr>, body: Vec<Expr> },
- While { cond: Box<Expr>, body: Vec<Expr> },
- Loop { body: Vec<Expr> },
-}
-
-pub struct CondBranch { cond: Expr, body: Vec<Expr> }
-pub struct CatchBranch { exceptions: Vec<Id>, binding: Option<Id>, body: Vec<Expr> }
-pub struct MatchBranch { pattern: Pattern, guard: Option<Expr>, body: Vec<Expr> }
-
-/// Expressions are either Patterns, Bindings, or Control flow constructs.
-pub enum Expr {
- Pattern(Pattern),
- Binding(Binding),
- Control(Control),
-}