ast: Remove pointless deleted copy constructors

ast::Node has a deleted copy constructor, so the derived classes cannot be implicitly copied.

Change-Id: I57f74a4ab35dd00b3290b964cb6492f4fa4505a5
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/66602
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: James Price <jrprice@google.com>

src/ast/array_accessor_expression.h

@@ -48,9 +48,6 @@ class ArrayAccessorExpression
 
   /// the index expression
   Expression* const index;
-
- private:
-  ArrayAccessorExpression(const ArrayAccessorExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/assignment_statement.h

@@ -48,9 +48,6 @@ class AssignmentStatement : public Castable<AssignmentStatement, Statement> {
 
   /// right side expression
   Expression* const rhs;
-
- private:
-  AssignmentStatement(const AssignmentStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/binary_expression.h

@@ -118,9 +118,6 @@ class BinaryExpression : public Castable<BinaryExpression, Expression> {
   Expression* const lhs;
   /// the right side expression
   Expression* const rhs;
-
- private:
-  BinaryExpression(const BinaryExpression&) = delete;
 };
 
 inline bool BinaryExpression::IsArithmetic() const {

src/ast/bitcast_expression.h

@@ -49,9 +49,6 @@ class BitcastExpression : public Castable<BitcastExpression, Expression> {
   ast::Type* const type;
   /// the expression
   Expression* const expr;
-
- private:
-  BitcastExpression(const BitcastExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/block_statement.h

@@ -52,9 +52,6 @@ class BlockStatement : public Castable<BlockStatement, Statement> {
 
   /// the statement list
   StatementList const statements;
-
- private:
-  BlockStatement(const BlockStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/break_statement.h

@@ -36,9 +36,6 @@ class BreakStatement : public Castable<BreakStatement, Statement> {
   /// @param ctx the clone context
   /// @return the newly cloned node
   BreakStatement* Clone(CloneContext* ctx) const override;
-
- private:
-  BreakStatement(const BreakStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/call_expression.h

@@ -49,9 +49,6 @@ class CallExpression : public Castable<CallExpression, Expression> {
   IdentifierExpression* const func;
   /// The arguments
   ExpressionList const args;
-
- private:
-  CallExpression(const CallExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/call_statement.h

@@ -41,9 +41,6 @@ class CallStatement : public Castable<CallStatement, Statement> {
 
   /// The call expression
   CallExpression* const expr;
-
- private:
-  CallStatement(const CallStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/case_statement.h

@@ -56,9 +56,6 @@ class CaseStatement : public Castable<CaseStatement, Statement> {
 
   /// The case body
   BlockStatement* const body;
-
- private:
-  CaseStatement(const CaseStatement&) = delete;
 };
 
 /// A list of case statements

src/ast/constructor_expression.h

@@ -33,9 +33,6 @@ class ConstructorExpression
   ConstructorExpression(ProgramID pid, const Source& src);
   /// Move constructor
   ConstructorExpression(ConstructorExpression&&);
-
- private:
-  ConstructorExpression(const ConstructorExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/continue_statement.h

@@ -36,9 +36,6 @@ class ContinueStatement : public Castable<ContinueStatement, Statement> {
   /// @param ctx the clone context
   /// @return the newly cloned node
   ContinueStatement* Clone(CloneContext* ctx) const override;
-
- private:
-  ContinueStatement(const ContinueStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/discard_statement.h

@@ -36,9 +36,6 @@ class DiscardStatement : public Castable<DiscardStatement, Statement> {
   /// @param ctx the clone context
   /// @return the newly cloned node
   DiscardStatement* Clone(CloneContext* ctx) const override;
-
- private:
-  DiscardStatement(const DiscardStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/else_statement.h

@@ -50,9 +50,6 @@ class ElseStatement : public Castable<ElseStatement, Statement> {
 
   /// The else body
   BlockStatement* const body;
-
- private:
-  ElseStatement(const ElseStatement&) = delete;
 };
 
 /// A list of else statements

src/ast/expression.h

@@ -36,9 +36,6 @@ class Expression : public Castable<Expression, Node> {
   Expression(ProgramID pid, const Source& src);
   /// Move constructor
   Expression(Expression&&);
-
- private:
-  Expression(const Expression&) = delete;
 };
 
 /// A list of expressions

src/ast/fallthrough_statement.h

@@ -36,9 +36,6 @@ class FallthroughStatement : public Castable<FallthroughStatement, Statement> {
   /// @param ctx the clone context
   /// @return the newly cloned node
   FallthroughStatement* Clone(CloneContext* ctx) const override;
-
- private:
-  FallthroughStatement(const FallthroughStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/for_loop_statement.h

@@ -59,9 +59,6 @@ class ForLoopStatement : public Castable<ForLoopStatement, Statement> {
 
   /// The loop body block
   BlockStatement* const body;
-
- private:
-  ForLoopStatement(const ForLoopStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/function.h

@@ -86,9 +86,6 @@ class Function : public Castable<Function, Node> {
 
   /// The decorations attached to the function return type.
   DecorationList const return_type_decorations;
-
- private:
-  Function(const Function&) = delete;
 };
 
 /// A list of functions

src/ast/identifier_expression.h

@@ -40,9 +40,6 @@ class IdentifierExpression : public Castable<IdentifierExpression, Expression> {
 
   /// The symbol for the identifier
   Symbol const symbol;
-
- private:
-  IdentifierExpression(const IdentifierExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/if_statement.h

@@ -54,9 +54,6 @@ class IfStatement : public Castable<IfStatement, Statement> {
 
   /// The else statements
   ElseStatementList const else_statements;
-
- private:
-  IfStatement(const IfStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/loop_statement.h

@@ -47,9 +47,6 @@ class LoopStatement : public Castable<LoopStatement, Statement> {
 
   /// The continuing statements
   BlockStatement* const continuing;
-
- private:
-  LoopStatement(const LoopStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/member_accessor_expression.h

@@ -48,9 +48,6 @@ class MemberAccessorExpression
 
   /// The member expression
   IdentifierExpression* const member;
-
- private:
-  MemberAccessorExpression(const MemberAccessorExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/return_statement.h

@@ -46,9 +46,6 @@ class ReturnStatement : public Castable<ReturnStatement, Statement> {
 
   /// The value returned. May be null.
   Expression* const value;
-
- private:
-  ReturnStatement(const ReturnStatement&) = delete;
 };
 
 }  // namespace ast

src/ast/scalar_constructor_expression.h

@@ -44,9 +44,6 @@ class ScalarConstructorExpression
 
   /// The literal value
   Literal* const literal;
-
- private:
-  ScalarConstructorExpression(const ScalarConstructorExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/statement.h

@@ -37,9 +37,6 @@ class Statement : public Castable<Statement, Node> {
   Statement(ProgramID pid, const Source& src);
   /// Move constructor
   Statement(Statement&&);
-
- private:
-  Statement(const Statement&) = delete;
 };
 
 /// A list of statements

src/ast/struct.h

@@ -58,9 +58,6 @@ class Struct : public Castable<Struct, TypeDecl> {
 
   /// The struct decorations
   DecorationList const decorations;
-
- private:
-  Struct(const Struct&) = delete;
 };
 
 }  // namespace ast

src/ast/struct_member.h

@@ -59,9 +59,6 @@ class StructMember : public Castable<StructMember, Node> {
 
   /// The decorations
   DecorationList const decorations;
-
- private:
-  StructMember(const StructMember&) = delete;
 };
 
 /// A list of struct members

src/ast/switch_statement.h

@@ -51,8 +51,6 @@ class SwitchStatement : public Castable<SwitchStatement, Statement> {
 
   /// The Switch body
   CaseStatementList const body;
-
- private:
   SwitchStatement(const SwitchStatement&) = delete;
 };
 

src/ast/type_constructor_expression.h

@@ -53,9 +53,6 @@ class TypeConstructorExpression
 
   /// The values
   ExpressionList const values;
-
- private:
-  TypeConstructorExpression(const TypeConstructorExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/type_decl.h

@@ -37,10 +37,6 @@ class TypeDecl : public Castable<TypeDecl, Node> {
 
   /// The name of the type declaration
   Symbol const name;
-
- private:
-  TypeDecl(const TypeDecl&) = delete;
-  TypeDecl& operator=(const TypeDecl&) = delete;
 };
 
 }  // namespace ast

src/ast/unary_op_expression.h

@@ -48,9 +48,6 @@ class UnaryOpExpression : public Castable<UnaryOpExpression, Expression> {
 
   /// The expression
   Expression* const expr;
-
- private:
-  UnaryOpExpression(const UnaryOpExpression&) = delete;
 };
 
 }  // namespace ast

src/ast/variable.h

@@ -152,9 +152,6 @@ class Variable : public Castable<Variable, Node> {
 
   /// The declared access control
   Access const declared_access;
-
- private:
-  Variable(const Variable&) = delete;
 };
 
 /// A list of variables

src/ast/variable_decl_statement.h

@@ -44,9 +44,6 @@ class VariableDeclStatement
 
   /// The variable
   Variable* const variable;
-
- private:
-  VariableDeclStatement(const VariableDeclStatement&) = delete;
 };
 
 }  // namespace ast