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/*
* Copyright (C) 2015, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef AIDL_AST_JAVA_H_
#define AIDL_AST_JAVA_H_
#include <memory>
#include <stdarg.h>
#include <stdio.h>
#include <string>
#include <vector>
enum {
PACKAGE_PRIVATE = 0x00000000,
PUBLIC = 0x00000001,
PRIVATE = 0x00000002,
PROTECTED = 0x00000003,
SCOPE_MASK = 0x00000003,
STATIC = 0x00000010,
FINAL = 0x00000020,
ABSTRACT = 0x00000040,
OVERRIDE = 0x00000100,
ALL_MODIFIERS = 0xffffffff
};
namespace android {
namespace aidl {
class CodeWriter;
} // namespace aidl
} // namespace android
namespace android {
namespace aidl {
namespace java {
class Type;
// Write the modifiers that are set in both mod and mask
void WriteModifiers(CodeWriter* to, int mod, int mask);
struct ClassElement {
ClassElement() = default;
virtual ~ClassElement() = default;
virtual void Write(CodeWriter* to) const = 0;
};
struct Expression {
virtual ~Expression() = default;
virtual void Write(CodeWriter* to) const = 0;
};
struct LiteralExpression : public Expression {
std::string value;
explicit LiteralExpression(const std::string& value);
virtual ~LiteralExpression() = default;
void Write(CodeWriter* to) const override;
};
// TODO: also escape the contents. not needed for now
struct StringLiteralExpression : public Expression {
std::string value;
explicit StringLiteralExpression(const std::string& value);
virtual ~StringLiteralExpression() = default;
void Write(CodeWriter* to) const override;
};
struct Variable : public Expression {
const Type* type = nullptr;
std::string name;
int dimension = 0;
Variable() = default;
Variable(const Type* type, const std::string& name);
Variable(const Type* type, const std::string& name, int dimension);
virtual ~Variable() = default;
void WriteDeclaration(CodeWriter* to) const;
void Write(CodeWriter* to) const;
};
struct FieldVariable : public Expression {
Expression* object;
const Type* clazz;
std::string name;
FieldVariable(Expression* object, const std::string& name);
FieldVariable(const Type* clazz, const std::string& name);
virtual ~FieldVariable() = default;
void Write(CodeWriter* to) const;
};
struct Field : public ClassElement {
std::string comment;
int modifiers = 0;
Variable* variable = nullptr;
std::string value;
Field() = default;
Field(int modifiers, Variable* variable);
virtual ~Field() = default;
void Write(CodeWriter* to) const override;
};
struct Statement {
virtual ~Statement() = default;
virtual void Write(CodeWriter* to) const = 0;
};
struct StatementBlock : public Statement {
std::vector<Statement*> statements;
StatementBlock() = default;
virtual ~StatementBlock() = default;
void Write(CodeWriter* to) const override;
void Add(Statement* statement);
void Add(Expression* expression);
};
struct ExpressionStatement : public Statement {
Expression* expression;
explicit ExpressionStatement(Expression* expression);
virtual ~ExpressionStatement() = default;
void Write(CodeWriter* to) const override;
};
struct Assignment : public Expression {
Variable* lvalue;
Expression* rvalue;
const Type* cast;
Assignment(Variable* lvalue, Expression* rvalue);
Assignment(Variable* lvalue, Expression* rvalue, const Type* cast);
virtual ~Assignment() = default;
void Write(CodeWriter* to) const override;
};
struct MethodCall : public Expression {
Expression* obj = nullptr;
const Type* clazz = nullptr;
std::string name;
std::vector<Expression*> arguments;
std::vector<std::string> exceptions;
explicit MethodCall(const std::string& name);
MethodCall(const std::string& name, int argc, ...);
MethodCall(Expression* obj, const std::string& name);
MethodCall(const Type* clazz, const std::string& name);
MethodCall(Expression* obj, const std::string& name, int argc, ...);
MethodCall(const Type* clazz, const std::string& name, int argc, ...);
virtual ~MethodCall() = default;
void Write(CodeWriter* to) const override;
private:
void init(int n, va_list args);
};
struct Comparison : public Expression {
Expression* lvalue;
std::string op;
Expression* rvalue;
Comparison(Expression* lvalue, const std::string& op, Expression* rvalue);
virtual ~Comparison() = default;
void Write(CodeWriter* to) const override;
};
struct NewExpression : public Expression {
const Type* type;
std::vector<Expression*> arguments;
explicit NewExpression(const Type* type);
NewExpression(const Type* type, int argc, ...);
virtual ~NewExpression() = default;
void Write(CodeWriter* to) const override;
private:
void init(int n, va_list args);
};
struct NewArrayExpression : public Expression {
const Type* type;
Expression* size;
NewArrayExpression(const Type* type, Expression* size);
virtual ~NewArrayExpression() = default;
void Write(CodeWriter* to) const override;
};
struct Ternary : public Expression {
Expression* condition = nullptr;
Expression* ifpart = nullptr;
Expression* elsepart = nullptr;
Ternary() = default;
Ternary(Expression* condition, Expression* ifpart, Expression* elsepart);
virtual ~Ternary() = default;
void Write(CodeWriter* to) const override;
};
struct Cast : public Expression {
const Type* type = nullptr;
Expression* expression = nullptr;
Cast() = default;
Cast(const Type* type, Expression* expression);
virtual ~Cast() = default;
void Write(CodeWriter* to) const override;
};
struct VariableDeclaration : public Statement {
Variable* lvalue = nullptr;
const Type* cast = nullptr;
Expression* rvalue = nullptr;
explicit VariableDeclaration(Variable* lvalue);
VariableDeclaration(Variable* lvalue, Expression* rvalue,
const Type* cast = NULL);
virtual ~VariableDeclaration() = default;
void Write(CodeWriter* to) const override;
};
struct IfStatement : public Statement {
Expression* expression = nullptr;
StatementBlock* statements = new StatementBlock;
IfStatement* elseif = nullptr;
IfStatement() = default;
virtual ~IfStatement() = default;
void Write(CodeWriter* to) const override;
};
struct ReturnStatement : public Statement {
Expression* expression;
explicit ReturnStatement(Expression* expression);
virtual ~ReturnStatement() = default;
void Write(CodeWriter* to) const override;
};
struct TryStatement : public Statement {
StatementBlock* statements = new StatementBlock;
TryStatement() = default;
virtual ~TryStatement() = default;
void Write(CodeWriter* to) const override;
};
struct CatchStatement : public Statement {
StatementBlock* statements;
Variable* exception;
explicit CatchStatement(Variable* exception);
virtual ~CatchStatement() = default;
void Write(CodeWriter* to) const override;
};
struct FinallyStatement : public Statement {
StatementBlock* statements = new StatementBlock;
FinallyStatement() = default;
virtual ~FinallyStatement() = default;
void Write(CodeWriter* to) const override;
};
struct Case {
std::vector<std::string> cases;
StatementBlock* statements = new StatementBlock;
Case() = default;
explicit Case(const std::string& c);
virtual ~Case() = default;
virtual void Write(CodeWriter* to) const;
};
struct SwitchStatement : public Statement {
Expression* expression;
std::vector<Case*> cases;
explicit SwitchStatement(Expression* expression);
virtual ~SwitchStatement() = default;
void Write(CodeWriter* to) const override;
};
struct Break : public Statement {
Break() = default;
virtual ~Break() = default;
void Write(CodeWriter* to) const override;
};
struct Method : public ClassElement {
std::string comment;
int modifiers = 0;
const Type* returnType = nullptr; // nullptr means constructor
size_t returnTypeDimension = 0;
std::string name;
std::vector<Variable*> parameters;
std::vector<const Type*> exceptions;
StatementBlock* statements = nullptr;
Method() = default;
virtual ~Method() = default;
void Write(CodeWriter* to) const override;
};
struct IntConstant : public ClassElement {
const std::string name;
const int value;
IntConstant(std::string name, int value)
: name(name), value(value) {}
virtual ~IntConstant() = default;
void Write(CodeWriter* to) const override;
};
struct StringConstant : public ClassElement {
const std::string name;
const std::string value;
StringConstant(std::string name, std::string value)
: name(name), value(value) {}
~StringConstant() override = default;
void Write(CodeWriter* to) const override;
};
struct Class : public ClassElement {
enum { CLASS, INTERFACE };
std::string comment;
int modifiers = 0;
int what = CLASS; // CLASS or INTERFACE
const Type* type = nullptr;
const Type* extends = nullptr;
std::vector<const Type*> interfaces;
std::vector<ClassElement*> elements;
Class() = default;
virtual ~Class() = default;
void Write(CodeWriter* to) const override;
};
class Document {
public:
Document(const std::string& comment,
const std::string& package,
const std::string& original_src,
std::unique_ptr<Class> clazz);
virtual ~Document() = default;
virtual void Write(CodeWriter* to) const;
private:
std::string comment_;
std::string package_;
std::string original_src_;
std::unique_ptr<Class> clazz_;
};
} // namespace java
} // namespace aidl
} // namespace android
#endif // AIDL_AST_JAVA_H_
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