Refactored cargo structure

crates/parser/src/ast/expr.rs

@@ -0,0 +1,93 @@
+use serde::Serialize;
+
+use super::*;
+
+#[derive(Debug, Clone, Serialize)]
+pub enum Expression {
+    Literal(Literal),
+    Path(ExprPath),
+    Statement(Box<Statement>),
+    Fix {
+        initial: Box<Expression>,
+        prefixes: Vec<Prefix>,
+        postfixes: Vec<Postfix>,
+    },
+    Binary {
+        lhs: Box<Expression>,
+        op: String,
+        rhs: Box<Expression>,
+    },
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub enum Literal {
+    String(String),
+    Int(i64),
+    Float(f64),
+    Bool(bool),
+    Tuple(Vec<Expression>),
+    Array(Vec<Expression>),
+    ArrayRepeat(Box<Expression>, Box<Expression>),
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub enum Pattern {
+    NamedTuple(Path, Vec<Identifier>),
+    Struct(Path, Vec<Identifier>),
+    Tuple(Vec<Identifier>),
+    Literal(Literal),
+    Path(Path),
+    Id(Identifier),
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub enum Postfix {
+    FieldAccess(Identifier, Option<Generics>),
+    Call(Vec<Expression>),
+    MacroCall(String),
+    StructCall(Vec<(Identifier, Expression)>),
+    Assign(String, Box<Expression>),
+    Index(Expression),
+    As(TypeExpr),
+    Increment,
+    Decrement,
+    Try,
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub enum Prefix {
+    Ref,
+    RefMut,
+    Deref,
+    New(Option<Generics>),
+    Not,
+    Neg,
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub struct ExprPathSegment {
+    pub ident: Identifier,
+    pub generics: Option<Generics>,
+}
+
+#[derive(Debug, Clone, Serialize)]
+pub struct ExprPath(pub Vec<ExprPathSegment>);
+
+#[derive(Debug, Clone, Serialize)]
+pub struct Generics(pub Vec<Generic>);
+
+#[derive(Debug, Clone, Serialize)]
+pub enum Generic {
+    Lifetime(Identifier),
+    Type(TypeExpr),
+}
+
+impl Expression {
+    pub fn is_block(&self) -> bool {
+        if let Expression::Statement(stmt) = self {
+            stmt.is_block()
+        } else {
+            false
+        }
+    }
+}