git.delta.rocks / jrsonnet / refs/commits / 695a2f8d51fa

1use jrsonnet_interner::IStr;2#[cfg(feature = "deserialize")]3use serde::Deserialize;4#[cfg(feature = "serialize")]5use serde::Serialize;6use std::{7	fmt::{Debug, Display},8	ops::Deref,9	path::PathBuf,10	rc::Rc,11};1213#[cfg_attr(feature = "serialize", derive(Serialize))]14#[cfg_attr(feature = "deserialize", derive(Deserialize))]15#[derive(Debug, PartialEq)]16pub enum FieldName {17	/// {fixed: 2}18	Fixed(IStr),19	/// {["dyn"+"amic"]: 3}20	Dyn(LocExpr),21}2223#[cfg_attr(feature = "serialize", derive(Serialize))]24#[cfg_attr(feature = "deserialize", derive(Deserialize))]25#[derive(Debug, Clone, Copy, PartialEq)]26pub enum Visibility {27	/// :28	Normal,29	/// ::30	Hidden,31	/// :::32	Unhide,33}3435#[cfg_attr(feature = "serialize", derive(Serialize))]36#[cfg_attr(feature = "deserialize", derive(Deserialize))]37#[derive(Debug, PartialEq)]38pub struct AssertStmt(pub LocExpr, pub Option<LocExpr>);3940#[cfg_attr(feature = "serialize", derive(Serialize))]41#[cfg_attr(feature = "deserialize", derive(Deserialize))]42#[derive(Debug, PartialEq)]43pub struct FieldMember {44	pub name: FieldName,45	pub plus: bool,46	pub params: Option<ParamsDesc>,47	pub visibility: Visibility,48	pub value: LocExpr,49}5051#[cfg_attr(feature = "serialize", derive(Serialize))]52#[cfg_attr(feature = "deserialize", derive(Deserialize))]53#[derive(Debug, PartialEq)]54pub enum Member {55	Field(FieldMember),56	BindStmt(BindSpec),57	AssertStmt(AssertStmt),58}5960#[cfg_attr(feature = "serialize", derive(Serialize))]61#[cfg_attr(feature = "deserialize", derive(Deserialize))]62#[derive(Debug, Clone, Copy, PartialEq)]63pub enum UnaryOpType {64	Plus,65	Minus,66	BitNot,67	Not,68}69impl Display for UnaryOpType {70	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {71		use UnaryOpType::*;72		write!(73			f,74			"{}",75			match self {76				Plus => "+",77				Minus => "-",78				BitNot => "~",79				Not => "!",80			}81		)82	}83}8485#[cfg_attr(feature = "serialize", derive(Serialize))]86#[cfg_attr(feature = "deserialize", derive(Deserialize))]87#[derive(Debug, Clone, Copy, PartialEq)]88pub enum BinaryOpType {89	Mul,90	Div,9192	/// Implemented as intrinsic, put here for completeness93	Mod,9495	Add,96	Sub,9798	Lhs,99	Rhs,100101	Lt,102	Gt,103	Lte,104	Gte,105106	BitAnd,107	BitOr,108	BitXor,109110	And,111	Or,112}113impl Display for BinaryOpType {114	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {115		use BinaryOpType::*;116		write!(117			f,118			"{}",119			match self {120				Mul => "*",121				Div => "/",122				Mod => "%",123				Add => "+",124				Sub => "-",125				Lhs => "<<",126				Rhs => ">>",127				Lt => "<",128				Gt => ">",129				Lte => "<=",130				Gte => ">=",131				BitAnd => "&",132				BitOr => "|",133				BitXor => "^",134				And => "&&",135				Or => "||",136			}137		)138	}139}140141/// name, default value142#[cfg_attr(feature = "serialize", derive(Serialize))]143#[cfg_attr(feature = "deserialize", derive(Deserialize))]144#[derive(Debug, PartialEq)]145pub struct Param(pub IStr, pub Option<LocExpr>);146147/// Defined function parameters148#[cfg_attr(feature = "serialize", derive(Serialize))]149#[cfg_attr(feature = "deserialize", derive(Deserialize))]150#[derive(Debug, Clone, PartialEq)]151pub struct ParamsDesc(pub Rc<Vec<Param>>);152impl Deref for ParamsDesc {153	type Target = Vec<Param>;154	fn deref(&self) -> &Self::Target {155		&self.0156	}157}158159#[cfg_attr(feature = "serialize", derive(Serialize))]160#[cfg_attr(feature = "deserialize", derive(Deserialize))]161#[derive(Debug, PartialEq)]162pub struct Arg(pub Option<String>, pub LocExpr);163164#[cfg_attr(feature = "serialize", derive(Serialize))]165#[cfg_attr(feature = "deserialize", derive(Deserialize))]166#[derive(Debug, PartialEq)]167pub struct ArgsDesc(pub Vec<Arg>);168impl Deref for ArgsDesc {169	type Target = Vec<Arg>;170	fn deref(&self) -> &Self::Target {171		&self.0172	}173}174175#[cfg_attr(feature = "serialize", derive(Serialize))]176#[cfg_attr(feature = "deserialize", derive(Deserialize))]177#[derive(Debug, Clone, PartialEq)]178pub struct BindSpec {179	pub name: IStr,180	pub params: Option<ParamsDesc>,181	pub value: LocExpr,182}183184#[cfg_attr(feature = "serialize", derive(Serialize))]185#[cfg_attr(feature = "deserialize", derive(Deserialize))]186#[derive(Debug, PartialEq)]187pub struct IfSpecData(pub LocExpr);188189#[cfg_attr(feature = "serialize", derive(Serialize))]190#[cfg_attr(feature = "deserialize", derive(Deserialize))]191#[derive(Debug, PartialEq)]192pub struct ForSpecData(pub IStr, pub LocExpr);193194#[cfg_attr(feature = "serialize", derive(Serialize))]195#[cfg_attr(feature = "deserialize", derive(Deserialize))]196#[derive(Debug, PartialEq)]197pub enum CompSpec {198	IfSpec(IfSpecData),199	ForSpec(ForSpecData),200}201202#[cfg_attr(feature = "serialize", derive(Serialize))]203#[cfg_attr(feature = "deserialize", derive(Deserialize))]204#[derive(Debug, PartialEq)]205pub struct ObjComp {206	pub pre_locals: Vec<BindSpec>,207	pub key: LocExpr,208	pub value: LocExpr,209	pub post_locals: Vec<BindSpec>,210	pub compspecs: Vec<CompSpec>,211}212213#[cfg_attr(feature = "serialize", derive(Serialize))]214#[cfg_attr(feature = "deserialize", derive(Deserialize))]215#[derive(Debug, PartialEq)]216pub enum ObjBody {217	MemberList(Vec<Member>),218	ObjComp(ObjComp),219}220221#[cfg_attr(feature = "serialize", derive(Serialize))]222#[cfg_attr(feature = "deserialize", derive(Deserialize))]223#[derive(Debug, PartialEq, Clone, Copy)]224pub enum LiteralType {225	This,226	Super,227	Dollar,228	Null,229	True,230	False,231}232233#[derive(Debug, PartialEq)]234pub struct SliceDesc {235	pub start: Option<LocExpr>,236	pub end: Option<LocExpr>,237	pub step: Option<LocExpr>,238}239240/// Syntax base241#[cfg_attr(feature = "serialize", derive(Serialize))]242#[cfg_attr(feature = "deserialize", derive(Deserialize))]243#[derive(Debug, PartialEq)]244pub enum Expr {245	Literal(LiteralType),246247	/// String value: "hello"248	Str(IStr),249	/// Number: 1, 2.0, 2e+20250	Num(f64),251	/// Variable name: test252	Var(IStr),253254	/// Array of expressions: [1, 2, "Hello"]255	Arr(Vec<LocExpr>),256	/// Array comprehension:257	/// ```jsonnet258	///  ingredients: [259	///    { kind: kind, qty: 4 / 3 }260	///    for kind in [261	///      'Honey Syrup',262	///      'Lemon Juice',263	///      'Farmers Gin',264	///    ]265	///  ],266	/// ```267	ArrComp(LocExpr, Vec<CompSpec>),268269	/// Object: {a: 2}270	Obj(ObjBody),271	/// Object extension: var1 {b: 2}272	ObjExtend(LocExpr, ObjBody),273274	/// (obj)275	Parened(LocExpr),276277	/// -2278	UnaryOp(UnaryOpType, LocExpr),279	/// 2 - 2280	BinaryOp(LocExpr, BinaryOpType, LocExpr),281	/// assert 2 == 2 : "Math is broken"282	AssertExpr(AssertStmt, LocExpr),283	/// local a = 2; { b: a }284	LocalExpr(Vec<BindSpec>, LocExpr),285286	/// import "hello"287	Import(PathBuf),288	/// importStr "file.txt"289	ImportStr(PathBuf),290	/// error "I'm broken"291	ErrorStmt(LocExpr),292	/// a(b, c)293	Apply(LocExpr, ArgsDesc, bool),294	/// a[b]295	Index(LocExpr, LocExpr),296	/// function(x) x297	Function(ParamsDesc, LocExpr),298	/// std.primitiveEquals299	Intrinsic(IStr),300	/// if true == false then 1 else 2301	IfElse {302		cond: IfSpecData,303		cond_then: LocExpr,304		cond_else: Option<LocExpr>,305	},306}307308/// file, begin offset, end offset309#[cfg_attr(feature = "serialize", derive(Serialize))]310#[cfg_attr(feature = "deserialize", derive(Deserialize))]311#[derive(Clone, PartialEq)]312pub struct ExprLocation(pub Rc<PathBuf>, pub usize, pub usize);313impl Debug for ExprLocation {314	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {315		write!(f, "{:?}:{:?}-{:?}", self.0, self.1, self.2)316	}317}318319/// Holds AST expression and its location in source file320#[cfg_attr(feature = "serialize", derive(Serialize))]321#[cfg_attr(feature = "deserialize", derive(Deserialize))]322#[derive(Clone, PartialEq)]323pub struct LocExpr(pub Rc<Expr>, pub Option<ExprLocation>);324impl Debug for LocExpr {325	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {326		write!(f, "{:?} from {:?}", self.0, self.1)327	}328}329330/// Creates LocExpr from Expr and ExprLocation components331#[macro_export]332macro_rules! loc_expr {333	($expr:expr, $need_loc:expr,($name:expr, $start:expr, $end:expr)) => {334		LocExpr(335			std::rc::Rc::new($expr),336			if $need_loc {337				Some(ExprLocation($name, $start, $end))338			} else {339				None340				},341			)342	};343}344345/// Creates LocExpr without location info346#[macro_export]347macro_rules! loc_expr_todo {348	($expr:expr) => {349		LocExpr(Rc::new($expr), None)350	};351}