Added serde serialization and deserialization to token and the ast.

boa/Cargo.toml

@@ -17,6 +17,7 @@ default = ["wasm-bindgen"]
 gc = "0.3.3"
 gc_derive = "0.3.2"
 serde_json = "1.0.46"
+serde = { version = "1.0", features = ["derive"] }
 rand = "0.7.3"
 regex = "1.3.4"
 

boa/src/lib.rs

@@ -19,6 +19,8 @@ use crate::{
     syntax::{ast::expr::Expr, lexer::Lexer, parser::Parser},
 };
 
+pub use serde_json;
+
 fn parser_expr(src: &str) -> Result<Expr, String> {
     let mut lexer = Lexer::new(src);
     lexer.lex().map_err(|e| format!("SyntaxError: {}", e))?;

boa/src/syntax/ast/constant.rs

@@ -1,7 +1,8 @@
 use gc_derive::{Finalize, Trace};
+use serde::{Deserialize, Serialize};
 use std::fmt::{Display, Formatter, Result};
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A Javascript Constant
 pub enum Const {
     /// A UTF-8 string, such as `"Hello, world"`

boa/src/syntax/ast/expr.rs

@@ -3,12 +3,13 @@ use crate::syntax::ast::{
     op::{BinOp, Operator, UnaryOp},
 };
 use gc_derive::{Finalize, Trace};
+use serde::{Deserialize, Serialize};
 use std::{
     collections::btree_map::BTreeMap,
     fmt::{Display, Formatter, Result},
 };
 
-#[derive(Clone, Trace, Finalize, Debug, PartialEq)]
+#[derive(Clone, Trace, Finalize, Debug, PartialEq, Serialize, Deserialize)]
 pub struct Expr {
     /// The expression definition
     pub def: ExprDef,
@@ -27,7 +28,7 @@ impl Display for Expr {
     }
 }
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A Javascript Expression
 pub enum ExprDef {
     /// Run a operation between 2 expressions

boa/src/syntax/ast/keyword.rs

@@ -1,10 +1,11 @@
+use serde::{Deserialize, Serialize};
 use std::{
     error,
     fmt::{Display, Error, Formatter},
     str::FromStr,
 };
 
-#[derive(Clone, Copy, PartialEq, Debug)]
+#[derive(Clone, Copy, PartialEq, Debug, Serialize, Deserialize)]
 /// A Javascript Keyword
 /// As specificed by <https://www.ecma-international.org/ecma-262/#sec-keywords>
 pub enum Keyword {

boa/src/syntax/ast/op.rs

@@ -1,4 +1,5 @@
 use gc_derive::{Finalize, Trace};
+use serde::{Deserialize, Serialize};
 use std::fmt::{Display, Formatter, Result};
 
 /// Represents an operator
@@ -13,7 +14,7 @@ pub trait Operator {
     }
 }
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A numeric operation between 2 values
 pub enum NumOp {
     /// `a + b` - Addition
@@ -47,7 +48,7 @@ impl Display for NumOp {
     }
 }
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A unary operation on a single value
 pub enum UnaryOp {
     /// `a++` - increment the value
@@ -88,7 +89,7 @@ impl Display for UnaryOp {
     }
 }
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A bitwise operation between 2 values
 pub enum BitOp {
     /// `a & b` - Bitwise and
@@ -119,7 +120,7 @@ impl Display for BitOp {
     }
 }
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A comparitive operation between 2 values
 pub enum CompOp {
     /// `a == b` - Equality
@@ -159,7 +160,7 @@ impl Display for CompOp {
     }
 }
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A logical operation between 2 boolean values
 pub enum LogOp {
     /// `a && b` - Logical and
@@ -181,7 +182,7 @@ impl Display for LogOp {
     }
 }
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A binary operation between 2 values
 pub enum BinOp {
     /// Numeric operation
@@ -240,7 +241,7 @@ impl Display for BinOp {
     }
 }
 
-#[derive(Clone, Debug, Trace, Finalize, PartialEq)]
+#[derive(Clone, Debug, Trace, Finalize, PartialEq, Serialize, Deserialize)]
 /// A binary operation between 2 values
 pub enum AssignOp {
     /// `a += b` - Add assign

boa/src/syntax/ast/pos.rs

@@ -1,4 +1,6 @@
-#[derive(Clone, Copy, PartialEq, Debug)]
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Copy, PartialEq, Debug, Serialize, Deserialize)]
 /// A position in the Javascript source code
 /// Stores both the column number and the line number
 ///

boa/src/syntax/ast/punc.rs

@@ -1,6 +1,7 @@
+use serde::{Deserialize, Serialize};
 use std::fmt::{Display, Error, Formatter};
 
-#[derive(PartialEq, Clone, Copy, Debug)]
+#[derive(PartialEq, Clone, Copy, Debug, Serialize, Deserialize)]
 /// Punctuation
 pub enum Punctuator {
     /// `+`

boa/src/syntax/ast/token.rs

@@ -1,9 +1,10 @@
 use crate::syntax::ast::{keyword::Keyword, pos::Position, punc::Punctuator};
+use serde::{Deserialize, Serialize};
 use std::fmt::{Debug, Display, Formatter, Result};
 
 #[derive(Clone, PartialEq)]
 /// Represents a token
-#[derive(Debug)]
+#[derive(Debug, Serialize, Deserialize)]
 pub struct Token {
     /// The token Data
     pub data: TokenData,
@@ -39,7 +40,7 @@ impl Debug for VecToken {
     }
 }
 
-#[derive(Clone, PartialEq, Debug)]
+#[derive(Clone, PartialEq, Debug, Serialize, Deserialize)]
 /// Represents the type of Token
 pub enum TokenData {
     /// A boolean literal, which is either `true` or `false`