Fix up unparse.rs.

src/ast/build.rs

@@ -1,18 +1,4 @@
-use crate::ast::{
+use crate::ast::*;
-    AssignStatement, BinaryExpression, BinaryOperator, BlockStatement, CallArgument, CallArguments,
-    CallExpression, CallStatement, ClassConstructor, ClassConstructorParameter, ClassDeclaration,
-    ClassLevelDeclaration, Closure, CompilationUnit, Expression, FieldDeclaration, ForStatement,
-    FullyQualifiedName, FunctionBody, FunctionDefinition, FunctionModifier, FunctionTypeModifier,
-    FunctionTypeUse, GenericArguments, GenericParameter, GenericParameters, Identifier,
-    IfElseStatement, IfStatement, ImplementsList, InterfaceDeclaration,
-    InterfaceFunctionDeclaration, InterfaceLevelDeclaration, InterfaceOperatorFunctionDeclaration,
-    InterfaceOrClassTypeUse, Literal, ModuleDeclaration, ModuleLevelDeclaration, ObjectAccess,
-    ObjectNavigation, ObjectNavigations, OperatorFunctionDefinition, Parameter, Parameters,
-    PlatformFunctionDeclaration, PrefixExpression, PrefixUnaryOperator, PropertyDeclaration,
-    Reference, References, ReturnStatement, ReturnType, Statement, SuffixExpression,
-    SuffixUnaryOperator, TernaryExpression, TupleArguments, TupleTypeUse, TurboFish, TypeUse,
-    UnarySuffixExpression, VariableDeclarationStatement, WhileStatement,
-};
 use crate::parser::Rule;
 use pest::iterators::{Pair, Pairs};
 
@@ -170,11 +156,7 @@ fn build_generic_parameters(generic_parameters_pair: Pair<Rule>) -> GenericParam
         identifier_list_pair
             .into_inner()
             .map(|identifier_pair| {
-                GenericParameter(expect_and_use(
+                expect_and_use(identifier_pair, Rule::Identifier, build_identifier)
-                    identifier_pair,
-                    Rule::Identifier,
-                    build_identifier,
-                ))
             })
             .collect(),
     )
@@ -259,11 +241,7 @@ fn build_references(ref_list_pair: Pair<Rule>) -> References {
     References(
         inner
             .map(|identifier_pair| {
-                Reference(expect_and_use(
+                expect_and_use(identifier_pair, Rule::Identifier, build_identifier)
-                    identifier_pair,
-                    Rule::Identifier,
-                    build_identifier,
-                ))
             })
             .collect(),
     )
@@ -1127,15 +1105,15 @@ fn build_string_literal(pair: Pair<Rule>) -> Literal {
 fn build_boolean_literal(pair: Pair<Rule>) -> Literal {
     let inner_pair = pair.into_inner().next().unwrap();
     match inner_pair.as_rule() {
-        Rule::True => Literal::BooleanLiteral(true),
+        Rule::True => Literal::Boolean(true),
-        Rule::False => Literal::BooleanLiteral(false),
+        Rule::False => Literal::Boolean(false),
         _ => unreachable!(),
     }
 }
 
 fn build_single_quote_string(pair: Pair<Rule>) -> Literal {
     let inner_pair = pair.into_inner().next().unwrap();
-    Literal::StringLiteral(inner_pair.to_string())
+    Literal::String(inner_pair.to_string())
 }
 
 fn build_double_quote_string(pair: Pair<Rule>) -> Literal {

src/ast/mod.rs

@@ -111,7 +111,7 @@ impl Default for GenericArguments {
 /* Generic parameters */
 
 #[derive(Debug)]
-pub struct GenericParameters(pub Vec<GenericParameter>);
+pub struct GenericParameters(pub Vec<Identifier>);
 
 impl GenericParameters {
     pub fn is_empty(&self) -> bool {
@@ -125,9 +125,6 @@ impl Default for GenericParameters {
     }
 }
 
-#[derive(Debug)]
-pub struct GenericParameter(pub Identifier);
-
 /* Tuple Arguments */
 
 #[derive(Debug)]
@@ -150,7 +147,7 @@ impl Default for ImplementsList {
     }
 }
 
-/* Function Type Modifier and Function Modifier */
+/* Function Type Modifier */
 
 #[derive(Debug)]
 pub enum FunctionTypeModifier {
@@ -203,7 +200,7 @@ impl ReturnType {
 /* References */
 
 #[derive(Debug)]
-pub struct References(pub Vec<Reference>);
+pub struct References(pub Vec<Identifier>);
 
 impl References {
     pub fn is_empty(&self) -> bool {
@@ -217,9 +214,6 @@ impl Default for References {
     }
 }
 
-#[derive(Debug)]
-pub struct Reference(pub Identifier);
-
 /* Top-level construct */
 
 #[derive(Debug)]
@@ -536,10 +530,10 @@ pub enum ObjectNavigation {
 
 #[derive(Debug)]
 pub enum Literal {
-    IntegerLiteral(i32),
+    Integer(i32),
-    LongLiteral(i64),
+    Long(i64),
-    DoubleLiteral(f64),
+    Double(f64),
-    USizeLiteral(usize),
+    USize(usize),
-    StringLiteral(String),
+    String(String),
-    BooleanLiteral(bool),
+    Boolean(bool),
 }

src/ast/unparse.rs

@@ -1,3 +1,4 @@
+use crate::ast::FunctionModifier::{Cons, Mut, MutRef, Ref, Static};
 use crate::ast::*;
 
 macro_rules! to_unparse_vec {
@@ -80,6 +81,7 @@ impl Unparse for Operator {
         match self {
             Binary(op) => op.unparse(buf),
             PrefixUnary(op) => op.unparse(buf),
+            SuffixUnary(op) => op.unparse(buf),
         }
     }
 }
@@ -111,12 +113,22 @@ impl Unparse for PrefixUnaryOperator {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         use PrefixUnaryOperator::*;
         match self {
+            Spread => write!(buf, "..."),
+            BorrowMut => write!(buf, "&mut"),
+            Borrow => write!(buf, "&"),
+            Mut => write!(buf, "mut"),
             Not => write!(buf, "!"),
             Negative => write!(buf, "-"),
+        }
+    }
+}
+
+impl Unparse for SuffixUnaryOperator {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        use SuffixUnaryOperator::*;
+        match self {
             PlusPlus => write!(buf, "++"),
             MinusMinus => write!(buf, "--"),
-            CallOp => write!(buf, "()"),
-            Spread => write!(buf, "..."),
         }
     }
 }
@@ -134,34 +146,80 @@ impl ListUnparse for FullyQualifiedName {
         "::"
     }
 
-    fn inner(&self) -> Vec<&dyn Unparse> {
-        to_unparse_vec!(self.identifiers)
-    }
-}
-
-/* Generic Parameters */
-
-impl ListUnparse for GenericParameters {
-    fn prefix() -> &'static str {
-        "<"
-    }
-
-    fn separator() -> &'static str {
-        ", "
-    }
-
-    fn suffix() -> &'static str {
-        ">"
-    }
-
     fn inner(&self) -> Vec<&dyn Unparse> {
         to_unparse_vec!(self.0)
     }
 }
 
-impl Unparse for GenericParameter {
+/* TypeUse and components */
+
+impl Unparse for TypeUse {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        self.0.unparse(buf)
+        use TypeUse::*;
+        match self {
+            Void => write!(buf, "Void"),
+            InterfaceOrClass(interface_or_class_type_use) => {
+                interface_or_class_type_use.unparse(buf)
+            }
+            Tuple(tuple_type_use) => tuple_type_use.unparse(buf),
+            Function(function_type_use) => function_type_use.unparse(buf),
+        }
+    }
+}
+
+impl Unparse for InterfaceOrClassTypeUse {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        for _ in 0..self.borrow_count {
+            write!(buf, "&")?;
+        }
+        if self.is_mutable {
+            write!(buf, "mut")?;
+        }
+        if self.borrow_count > 0 || self.is_mutable {
+            write!(buf, " ")?;
+        }
+        self.fqn.unparse(buf)?;
+        self.generics.unparse(buf)?;
+        unparse_ok!()
+    }
+}
+
+impl Unparse for TupleTypeUse {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        for _ in 0..self.borrow_count {
+            write!(buf, "&")?;
+        }
+        if self.is_mutable {
+            write!(buf, "mut")?;
+        }
+        if self.borrow_count > 0 || self.is_mutable {
+            write!(buf, " ")?;
+        }
+        self.arguments.unparse(buf)?;
+        unparse_ok!()
+    }
+}
+
+impl Unparse for FunctionTypeUse {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        for _ in 0..self.borrow_count {
+            write!(buf, "&")?;
+        }
+        if let Some(function_type_modifier) = &self.function_modifier {
+            function_type_modifier.unparse(buf)?;
+        }
+        if self.borrow_count > 0 || self.function_modifier.is_some() {
+            write!(buf, " ")?;
+        }
+        write!(buf, "fn ")?;
+        if !self.generics.is_empty() {
+            self.generics.unparse(buf)?;
+            write!(buf, " ")?;
+        }
+        self.parameters.unparse(buf)?;
+        write!(buf, " ")?;
+        self.return_type.unparse(buf)?;
+        unparse_ok!()
     }
 }
 
@@ -185,36 +243,29 @@ impl ListUnparse for GenericArguments {
     }
 }
 
-impl Unparse for GenericArgument {
+/* Generic Parameters */
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+
-        self.fqn.unparse(buf)
+impl ListUnparse for GenericParameters {
+    fn prefix() -> &'static str {
+        "<"
+    }
+
+    fn separator() -> &'static str {
+        ", "
+    }
+
+    fn suffix() -> &'static str {
+        ">"
+    }
+
+    fn inner(&self) -> Vec<&dyn Unparse> {
+        to_unparse_vec!(self.0)
     }
 }
 
-/* TypeUse and components */
+/* Tuple Arguments */
 
-impl Unparse for TypeUse {
+impl ListUnparse for TupleArguments {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        use TypeUse::*;
-        match self {
-            InterfaceOrClass(interface_or_class_type_use) => {
-                interface_or_class_type_use.unparse(buf)
-            }
-            Tuple(tuple_type_use) => tuple_type_use.unparse(buf),
-            Function(function_type_use) => function_type_use.unparse(buf),
-        }
-    }
-}
-
-impl Unparse for InterfaceOrClassTypeUse {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        self.fqn.unparse(buf)?;
-        self.generics.unparse(buf)?;
-        unparse_ok!()
-    }
-}
-
-impl ListUnparse for TupleTypeUse {
     fn prefix() -> &'static str {
         "("
     }
@@ -232,28 +283,37 @@ impl ListUnparse for TupleTypeUse {
     }
 }
 
-impl Unparse for FunctionTypeUse {
+/* Implements List */
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+
-        if let Some(function_modifier) = &self.function_modifier {
+impl ListUnparse for ImplementsList {
-            function_modifier.unparse(buf)?;
+    fn prefix() -> &'static str {
-        }
+        ": "
-        write!(buf, " fn ")?;
+    }
-        if !self.generics.is_empty() {
+
-            self.generics.unparse(buf)?;
+    fn separator() -> &'static str {
-            write!(buf, " ")?;
+        " + "
-        }
+    }
-        self.parameters.unparse(buf)?;
+
-        write!(buf, " ")?;
+    fn inner(&self) -> Vec<&dyn Unparse> {
-        if !self.inputs.is_empty() {
+        to_unparse_vec!(self.0)
-            self.inputs.unparse(buf)?;
-            write!(buf, " ")?;
-        }
-        self.return_type.unparse(buf)?;
-        unparse_ok!()
     }
 }
 
-/* Function components */
+/* Function Type Modifier */
+
+impl Unparse for FunctionTypeModifier {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        use FunctionTypeModifier::*;
+        match self {
+            Cons => write!(buf, "cons"),
+            MutRef => write!(buf, "mut ref"),
+            Mut => write!(buf, "mut"),
+            Ref => write!(buf, "ref"),
+        }
+    }
+}
+
+/* Parameters */
 
 impl ListUnparse for Parameters {
     fn prefix() -> &'static str {
@@ -282,27 +342,20 @@ impl Unparse for Parameter {
     }
 }
 
+/* Return Type */
+
 impl Unparse for ReturnType {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         write!(buf, "-> ")?;
         self.declared_type.unparse(buf)?;
         if !self.references.is_empty() {
+            write!(buf, " ")?;
             self.references.unparse(buf)?;
         }
         unparse_ok!()
     }
 }
 
-impl Unparse for VoidOrTypeUse {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        use VoidOrTypeUse::*;
-        match self {
-            Void => write!(buf, "Void"),
-            TypeUse(type_use) => type_use.unparse(buf),
-        }
-    }
-}
-
 impl ListUnparse for References {
     fn prefix() -> &'static str {
         "ref "
@@ -317,85 +370,6 @@ impl ListUnparse for References {
     }
 }
 
-impl Unparse for Reference {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        self.0.unparse(buf)
-    }
-}
-
-/* Input parameters and arguments */
-
-impl Unparse for DelegateOrIdentifier {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        use DelegateOrIdentifier::*;
-        match self {
-            Delegate => write!(buf, "delegate"),
-            Identifier(identifier) => identifier.unparse(buf),
-        }
-    }
-}
-
-impl ListUnparse for InputParameters {
-    fn prefix() -> &'static str {
-        "|"
-    }
-
-    fn separator() -> &'static str {
-        ", "
-    }
-
-    fn suffix() -> &'static str {
-        "|"
-    }
-
-    fn inner(&self) -> Vec<&dyn Unparse> {
-        to_unparse_vec!(self.0)
-    }
-}
-
-impl ListUnparse for InputArguments {
-    fn prefix() -> &'static str {
-        "|"
-    }
-
-    fn separator() -> &'static str {
-        ", "
-    }
-
-    fn suffix() -> &'static str {
-        "|"
-    }
-
-    fn inner(&self) -> Vec<&dyn Unparse> {
-        to_unparse_vec!(self.0)
-    }
-}
-
-impl Unparse for InputArgument {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        self.lhs.unparse(buf)?;
-        write!(buf, " = ")?;
-        self.rhs.unparse(buf)?;
-        unparse_ok!()
-    }
-}
-
-/* Implements */
-
-impl ListUnparse for ImplementsList {
-    fn prefix() -> &'static str {
-        ": "
-    }
-
-    fn separator() -> &'static str {
-        " + "
-    }
-
-    fn inner(&self) -> Vec<&dyn Unparse> {
-        to_unparse_vec!(self.0)
-    }
-}
-
 /* Top-level construct */
 
 impl Unparse for CompilationUnit {
@@ -416,7 +390,6 @@ impl Unparse for ModuleLevelDeclaration {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         use ModuleLevelDeclaration::*;
         match self {
-            Type(type_declaration) => type_declaration.unparse(buf),
             Module(module_declaration) => module_declaration.unparse(buf),
             Interface(interface_declaration) => interface_declaration.unparse(buf),
             Class(class_declaration) => class_declaration.unparse(buf),
@@ -432,7 +405,6 @@ impl Unparse for InterfaceLevelDeclaration {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         use InterfaceLevelDeclaration::*;
         match self {
-            Type(type_declaration) => type_declaration.unparse(buf),
             Module(module_declaration) => module_declaration.unparse(buf),
             Interface(interface_declaration) => interface_declaration.unparse(buf),
             Class(class_declaration) => class_declaration.unparse(buf),
@@ -448,7 +420,6 @@ impl Unparse for ClassLevelDeclaration {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         use ClassLevelDeclaration::*;
         match self {
-            Type(type_declaration) => type_declaration.unparse(buf),
             Module(module_declaration) => module_declaration.unparse(buf),
             Interface(interface_declaration) => interface_declaration.unparse(buf),
             Class(class_declaration) => class_declaration.unparse(buf),
@@ -459,6 +430,7 @@ impl Unparse for ClassLevelDeclaration {
             PlatformFunction(platform_function_declaration) => {
                 platform_function_declaration.unparse(buf)
             }
+            Property(property_declaration) => property_declaration.unparse(buf),
             Field(field_declaration) => field_declaration.unparse(buf),
         }
     }
@@ -466,24 +438,6 @@ impl Unparse for ClassLevelDeclaration {
 
 /* Declarations */
 
-impl Unparse for TypeDeclaration {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        if self.is_public {
-            write!(buf, "pub ")?;
-        }
-        write!(buf, "type ")?;
-        self.identifier.unparse(buf)?;
-        write!(buf, " ")?;
-        if let Some(type_parameters) = &self.parameters {
-            type_parameters.unparse(buf)?;
-            write!(buf, " ")?;
-        }
-        write!(buf, "= ")?;
-        self.rhs.unparse(buf)?;
-        Ok(())
-    }
-}
-
 impl Unparse for ModuleDeclaration {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         if self.is_public {
@@ -507,10 +461,6 @@ impl Unparse for InterfaceDeclaration {
             self.generics.unparse(buf)?;
             write!(buf, " ")?;
         }
-        if !self.inputs.is_empty() {
-            self.inputs.unparse(buf)?;
-            write!(buf, " ")?;
-        }
         if !self.implements.is_empty() {
             self.implements.unparse(buf)?;
             write!(buf, " ")?;
@@ -545,37 +495,7 @@ impl Unparse for ClassDeclaration {
 
 /* Function declarations and components */
 
-impl Unparse for FunctionModifier {
+impl Unparse for FunctionDefinition {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        use FunctionModifier::*;
-        match self {
-            Static => write!(buf, "static"),
-            Cons => write!(buf, "cons"),
-            Mut => write!(buf, "mut"),
-            Ref => write!(buf, "ref"),
-            MutRef => write!(buf, "mut ref"),
-        }
-    }
-}
-
-impl Unparse for FunctionBody {
-    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        use FunctionBody::*;
-        match self {
-            Equals(expression) => {
-                write!(buf, "= ")?;
-                expression.unparse(buf)
-            }
-            Block(body) => body.unparse(buf),
-            Alias(identifier) => {
-                write!(buf, "alias ")?;
-                identifier.unparse(buf)
-            }
-        }
-    }
-}
-
-impl Unparse for FunctionDeclaration {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         if self.is_public {
             write!(buf, "pub ")?;
@@ -590,16 +510,14 @@ impl Unparse for FunctionDeclaration {
         self.identifier.unparse(buf)?;
         self.parameters.unparse(buf)?;
         write!(buf, " ")?;
-        if let Some(return_type) = &self.return_type {
+        self.return_type.unparse(buf)?;
-            return_type.unparse(buf)?;
+        write!(buf, " ")?;
-            write!(buf, " ")?;
-        }
         self.body.unparse(buf)?;
         unparse_ok!()
     }
 }
 
-impl Unparse for OperatorFunctionDeclaration {
+impl Unparse for OperatorFunctionDefinition {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         if self.is_public {
             write!(buf, "pub ")?;
@@ -612,10 +530,8 @@ impl Unparse for OperatorFunctionDeclaration {
         write!(buf, " ")?;
         self.parameters.unparse(buf)?;
         write!(buf, " ")?;
-        if let Some(return_type) = &self.return_type {
+        self.return_type.unparse(buf)?;
-            return_type.unparse(buf)?;
+        write!(buf, " ")?;
-            write!(buf, " ")?;
-        }
         self.body.unparse(buf)?;
         unparse_ok!()
     }
@@ -653,6 +569,10 @@ impl Unparse for InterfaceFunctionDeclaration {
         self.parameters.unparse(buf)?;
         write!(buf, " ")?;
         self.return_type.unparse(buf)?;
+        if let Some(body) = &self.body {
+            write!(buf, " ")?;
+            body.unparse(buf)?;
+        }
         unparse_ok!()
     }
 }
@@ -673,10 +593,48 @@ impl Unparse for InterfaceOperatorFunctionDeclaration {
         self.parameters.unparse(buf)?;
         write!(buf, " ")?;
         self.return_type.unparse(buf)?;
+        if let Some(body) = &self.body {
+            write!(buf, " ")?;
+            body.unparse(buf)?;
+        }
         unparse_ok!()
     }
 }
 
+/* Function Modifier */
+
+impl Unparse for FunctionModifier {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        use FunctionModifier::*;
+        match self {
+            Static => write!(buf, "static"),
+            Cons => write!(buf, "cons"),
+            Mut => write!(buf, "mut"),
+            Ref => write!(buf, "ref"),
+            MutRef => write!(buf, "mut ref"),
+        }
+    }
+}
+
+/* Function Body */
+
+impl Unparse for FunctionBody {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        use FunctionBody::*;
+        match self {
+            Equals(expression) => {
+                write!(buf, "= ")?;
+                expression.unparse(buf)
+            }
+            Block(body) => body.unparse(buf),
+            Alias(identifier) => {
+                write!(buf, "alias ")?;
+                identifier.unparse(buf)
+            }
+        }
+    }
+}
+
 /* Class components */
 
 impl ListUnparse for ClassConstructor {
@@ -699,8 +657,18 @@ impl ListUnparse for ClassConstructor {
 
 impl Unparse for ClassConstructorParameter {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        if self.is_field {
+        use ClassConstructorParameter::*;
-            write!(buf, "fld ")?;
+        match self {
+            Property(property) => property.unparse(buf),
+            Field(field) => field.unparse(buf),
+        }
+    }
+}
+
+impl Unparse for PropertyDeclaration {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        if self.is_mutable {
+            write!(buf, "mut ")?;
         }
         self.identifier.unparse(buf)?;
         write!(buf, ": ")?;
@@ -714,6 +682,7 @@ impl Unparse for FieldDeclaration {
         if self.is_mutable {
             write!(buf, "mut ")?;
         }
+        write!(buf, "fld ")?;
         self.identifier.unparse(buf)?;
         write!(buf, ": ")?;
         self.declared_type.unparse(buf)?;
@@ -723,21 +692,17 @@ impl Unparse for FieldDeclaration {
 
 /* Statements */
 
-impl ListUnparse for BlockStatement {
+impl Unparse for BlockStatement {
-    fn prefix() -> &'static str {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        "{\n"
+        write!(buf, "{{")?;
-    }
+        for statement in &self.statements {
-
+            statement.unparse(buf)?;
-    fn separator() -> &'static str {
+        }
-        "\n"
+        if let Some(expression) = &self.expression {
-    }
+            expression.unparse(buf)?;
-
+        }
-    fn suffix() -> &'static str {
+        write!(buf, "}}")?;
-        "\n}"
+        unparse_ok!()
-    }
-
-    fn inner(&self) -> Vec<&dyn Unparse> {
-        to_unparse_vec!(self.0)
     }
 }
 
@@ -746,7 +711,7 @@ impl Unparse for Statement {
         use Statement::*;
         match self {
             BlockStatement(statement) => statement.unparse(buf),
-            CallStatement(call_expression) => call_expression.unparse(buf),
+            CallStatement(call) => call.unparse(buf),
             VariableDeclarationStatement(declaration) => declaration.unparse(buf),
             AssignStatement(assign_statement) => assign_statement.unparse(buf),
             ReturnStatement(return_expression) => return_expression.unparse(buf),
@@ -755,7 +720,8 @@ impl Unparse for Statement {
             WhileStatement(while_statement) => while_statement.unparse(buf),
             ForStatement(for_statement) => for_statement.unparse(buf),
         }?;
-        write!(buf, "\n")
+        write!(buf, ";\n")?;
+        unparse_ok!()
     }
 }
 
@@ -780,7 +746,17 @@ impl Unparse for VariableDeclarationStatement {
 
 impl Unparse for AssignStatement {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        self.0.unparse(buf)
+        self.lhs.unparse(buf)?;
+        write!(buf, " = ")?;
+        self.rhs.unparse(buf)?;
+        unparse_ok!()
+    }
+}
+
+impl Unparse for CallStatement {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        self.0.unparse(buf)?;
+        unparse_ok!()
     }
 }
 
@@ -815,7 +791,7 @@ impl Unparse for IfElseStatement {
         write!(buf, " ")?;
         self.else_ifs.unparse(buf)?;
         write!(buf, "else ")?;
-        self.else_Block.unparse(buf)?;
+        self.else_block.unparse(buf)?;
         unparse_ok!()
     }
 }
@@ -855,29 +831,94 @@ impl Unparse for ForStatement {
 
 /* Expressions */
 
-impl Unparse for AssignmentExpression {
+impl Unparse for Expression {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        self.identifier.unparse(buf)?;
+        use Expression::*;
-        write!(buf, " = ")?;
+        match self {
+            Ternary(ternary) => ternary.unparse(buf),
+            Binary(binary) => binary.unparse(buf),
+            UnaryPrefix(prefix) => prefix.unparse(buf),
+            Suffix(suffix) => suffix.unparse(buf),
+            Literal(literal) => literal.unparse(buf),
+            FullyQualifiedName(fully_qualified_name) => fully_qualified_name.unparse(buf),
+            Closure(closure) => closure.unparse(buf),
+        }
+    }
+}
+
+impl Unparse for TernaryExpression {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        self.condition.unparse(buf)?;
+        write!(buf, " ? ")?;
+        self.true_expression.unparse(buf)?;
+        write!(buf, " : ")?;
+        self.false_expression.unparse(buf)?;
+        unparse_ok!()
+    }
+}
+
+impl Unparse for BinaryExpression {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        self.left.unparse(buf)?;
+        write!(buf, " ")?;
+        self.operator.unparse(buf)?;
+        write!(buf, " ")?;
+        self.right.unparse(buf)?;
+        unparse_ok!()
+    }
+}
+
+impl Unparse for PrefixExpression {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        use PrefixUnaryOperator::*;
+        match &self.operator {
+            BorrowMut => write!(buf, "&mut "),
+            Mut => write!(buf, "mut "),
+            other => other.unparse(buf),
+        }?;
         self.expression.unparse(buf)?;
         unparse_ok!()
     }
 }
 
-impl Unparse for Expression {
+impl Unparse for SuffixExpression {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
-        todo!()
+        use SuffixExpression::*;
+        match self {
+            Call(call) => call.unparse(buf),
+            ObjectAccess(object) => object.unparse(buf),
+            Unary(unary) => unary.unparse(buf),
+        }
     }
 }
 
 impl Unparse for CallExpression {
     fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
         self.callee.unparse(buf)?;
+        if let Some(turbo_fish) = &self.turbo_fish {
+            turbo_fish.unparse(buf)?;
+        }
         self.arguments.unparse(buf)?;
         unparse_ok!()
     }
 }
 
+impl Unparse for UnarySuffixExpression {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        self.expression.unparse(buf)?;
+        self.operator.unparse(buf)?;
+        unparse_ok!()
+    }
+}
+
+impl Unparse for TurboFish {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        write!(buf, "::")?;
+        self.0.unparse(buf)?;
+        unparse_ok!()
+    }
+}
+
 impl ListUnparse for CallArguments {
     fn prefix() -> &'static str {
         "("
@@ -901,3 +942,58 @@ impl Unparse for CallArgument {
         self.0.unparse(buf)
     }
 }
+
+impl Unparse for Closure {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        write!(buf, "{{ -> TODO }}")
+    }
+}
+
+impl Unparse for ObjectAccess {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        self.receiver.unparse(buf)?;
+        self.navigations.unparse(buf)?;
+        unparse_ok!()
+    }
+}
+
+impl Unparse for ObjectNavigations {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        for navigation in &self.0 {
+            navigation.unparse(buf)?;
+        }
+        unparse_ok!()
+    }
+}
+
+impl Unparse for ObjectNavigation {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        use ObjectNavigation::*;
+        match self {
+            Index(expression) => {
+                write!(buf, "[")?;
+                expression.unparse(buf)?;
+                write!(buf, "]")?;
+            }
+            Identifier(identifier) => {
+                write!(buf, ".")?;
+                identifier.unparse(buf)?;
+            }
+        }
+        unparse_ok!()
+    }
+}
+
+impl Unparse for Literal {
+    fn unparse(&self, buf: &mut dyn std::fmt::Write) -> std::fmt::Result {
+        use Literal::*;
+        match self {
+            Integer(i) => write!(buf, "{}", i),
+            Long(l) => write!(buf, "{}", l),
+            Double(d) => write!(buf, "{}", d),
+            USize(u) => write!(buf, "{}", u),
+            String(s) => write!(buf, "\"{}\"", s),
+            Boolean(b) => write!(buf, "{}", b),
+        }
+    }
+}