pub mod generic;
mod ident;
mod literal;
mod ops;
pub use ident::Ident;
pub use literal::{Literal, ValueAndUnit};
pub use ops::{BinOp, UnOp};
use std::collections::HashMap;
use enum_as_inner::EnumAsInner;
use serde::{Deserialize, Serialize};
use crate::{Span, Ty};
impl Expr {
pub fn new<K: Into<ExprKind>>(kind: K) -> Self {
Expr {
kind: kind.into(),
span: None,
alias: None,
}
}
}
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Expr {
#[serde(flatten)]
pub kind: ExprKind,
#[serde(skip)]
pub span: Option<Span>,
#[serde(skip_serializing_if = "Option::is_none")]
pub alias: Option<String>,
}
#[derive(Debug, EnumAsInner, PartialEq, Clone, Serialize, Deserialize, strum::AsRefStr)]
pub enum ExprKind {
Ident(Ident),
Literal(Literal),
Pipeline(Pipeline),
Tuple(Vec<Expr>),
Array(Vec<Expr>),
Range(Range),
Binary(BinaryExpr),
Unary(UnaryExpr),
FuncCall(FuncCall),
Func(Box<Func>),
SString(Vec<InterpolateItem>),
FString(Vec<InterpolateItem>),
Case(Vec<SwitchCase>),
Param(String),
Internal(String),
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub struct BinaryExpr {
pub left: Box<Expr>,
pub op: BinOp,
pub right: Box<Expr>,
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub struct UnaryExpr {
pub op: UnOp,
pub expr: Box<Expr>,
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub struct FuncCall {
pub name: Box<Expr>,
pub args: Vec<Expr>,
#[serde(default, skip_serializing_if = "HashMap::is_empty")]
pub named_args: HashMap<String, Expr>,
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub struct Func {
pub return_ty: Option<Ty>,
pub body: Box<Expr>,
pub params: Vec<FuncParam>,
pub named_params: Vec<FuncParam>,
pub generic_type_params: Vec<GenericTypeParam>,
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub struct FuncParam {
pub name: String,
#[serde(skip_serializing_if = "Option::is_none")]
pub ty: Option<Ty>,
pub default_value: Option<Box<Expr>>,
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub struct GenericTypeParam {
pub name: String,
pub domain: Vec<Ty>,
}
#[derive(Debug, PartialEq, Clone, Serialize, Deserialize)]
pub struct Pipeline {
pub exprs: Vec<Expr>,
}
pub type Range = generic::Range<Box<Expr>>;
pub type InterpolateItem = generic::InterpolateItem<Expr>;
pub type SwitchCase = generic::SwitchCase<Box<Expr>>;
impl From<Literal> for ExprKind {
fn from(value: Literal) -> Self {
ExprKind::Literal(value)
}
}
impl From<Ident> for ExprKind {
fn from(value: Ident) -> Self {
ExprKind::Ident(value)
}
}
impl From<Func> for ExprKind {
fn from(value: Func) -> Self {
ExprKind::Func(Box::new(value))
}
}