cerc-io/solidity
10
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Const AST visitor for the compiler.

Browse Source
This commit is contained in:
Christian 2014-12-06 01:06:24 +01:00
parent 41b8d7b7f1
commit c78c330634
5 changed files with 49 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
AST.h
View File

@ -245,10 +245,10 @@ public:
bool isPublic() const { return m_isPublic; } bool isPublic() const { return m_isPublic; }
bool isDeclaredConst() const { return m_isDeclaredConst; } bool isDeclaredConst() const { return m_isDeclaredConst; }
std::vector<ASTPointer<VariableDeclaration>> const& getParameters() const { return m_parameters->getParameters(); } std::vector<ASTPointer<VariableDeclaration>> const& getParameters() const { return m_parameters->getParameters(); }
ParameterList& getParameterList() { return *m_parameters; } ParameterList const& getParameterList() const { return *m_parameters; }
std::vector<ASTPointer<VariableDeclaration>> const& getReturnParameters() const { return m_returnParameters->getParameters(); } std::vector<ASTPointer<VariableDeclaration>> const& getReturnParameters() const { return m_returnParameters->getParameters(); }
ASTPointer<ParameterList> const& getReturnParameterList() const { return m_returnParameters; } ASTPointer<ParameterList> const& getReturnParameterList() const { return m_returnParameters; }
Block& getBody() { return *m_body; } Block const& getBody() const { return *m_body; }
/// @return A shared pointer of an ASTString. /// @return A shared pointer of an ASTString.
/// Can contain a nullptr in which case indicates absence of documentation /// Can contain a nullptr in which case indicates absence of documentation
ASTPointer<ASTString> const& getDocumentation() const { return m_documentation; } ASTPointer<ASTString> const& getDocumentation() const { return m_documentation; }
@ -796,7 +796,7 @@ public:
ASTString const& getName() const { return *m_name; } ASTString const& getName() const { return *m_name; }
void setReferencedDeclaration(Declaration& _referencedDeclaration) { m_referencedDeclaration = &_referencedDeclaration; } void setReferencedDeclaration(Declaration& _referencedDeclaration) { m_referencedDeclaration = &_referencedDeclaration; }
Declaration* getReferencedDeclaration() { return m_referencedDeclaration; } Declaration const* getReferencedDeclaration() const { return m_referencedDeclaration; }
private: private:
ASTPointer<ASTString> m_name; ASTPointer<ASTString> m_name;

18
Compiler.cpp
View File

@ -32,7 +32,7 @@ using namespace std;
namespace dev { namespace dev {
namespace solidity { namespace solidity {
void Compiler::compileContract(ContractDefinition& _contract, vector<MagicVariableDeclaration const*> const& _magicGlobals) void Compiler::compileContract(ContractDefinition const& _contract, vector<MagicVariableDeclaration const*> const& _magicGlobals)
{ {
m_context = CompilerContext(); // clear it just in case m_context = CompilerContext(); // clear it just in case
@ -179,7 +179,7 @@ void Compiler::registerStateVariables(ContractDefinition const& _contract)
m_context.addStateVariable(*variable); m_context.addStateVariable(*variable);
} }
bool Compiler::visit(FunctionDefinition& _function) bool Compiler::visit(FunctionDefinition const& _function)
{ {
//@todo to simplify this, the calling convention could by changed such that //@todo to simplify this, the calling convention could by changed such that
// caller puts: [retarg0] ... [retargm] [return address] [arg0] ... [argn] // caller puts: [retarg0] ... [retargm] [return address] [arg0] ... [argn]
@ -240,7 +240,7 @@ bool Compiler::visit(FunctionDefinition& _function)
return false; return false;
} }
bool Compiler::visit(IfStatement& _ifStatement) bool Compiler::visit(IfStatement const& _ifStatement)
{ {
ExpressionCompiler::compileExpression(m_context, _ifStatement.getCondition()); ExpressionCompiler::compileExpression(m_context, _ifStatement.getCondition());
eth::AssemblyItem trueTag = m_context.appendConditionalJump(); eth::AssemblyItem trueTag = m_context.appendConditionalJump();
@ -253,7 +253,7 @@ bool Compiler::visit(IfStatement& _ifStatement)
return false; return false;
} }
bool Compiler::visit(WhileStatement& _whileStatement) bool Compiler::visit(WhileStatement const& _whileStatement)
{ {
eth::AssemblyItem loopStart = m_context.newTag(); eth::AssemblyItem loopStart = m_context.newTag();
eth::AssemblyItem loopEnd = m_context.newTag(); eth::AssemblyItem loopEnd = m_context.newTag();
@ -275,21 +275,21 @@ bool Compiler::visit(WhileStatement& _whileStatement)
return false; return false;
} }
bool Compiler::visit(Continue&) bool Compiler::visit(Continue const&)
{ {
if (!m_continueTags.empty()) if (!m_continueTags.empty())
m_context.appendJumpTo(m_continueTags.back()); m_context.appendJumpTo(m_continueTags.back());
return false; return false;
} }
bool Compiler::visit(Break&) bool Compiler::visit(Break const&)
{ {
if (!m_breakTags.empty()) if (!m_breakTags.empty())
m_context.appendJumpTo(m_breakTags.back()); m_context.appendJumpTo(m_breakTags.back());
return false; return false;
} }
bool Compiler::visit(Return& _return) bool Compiler::visit(Return const& _return)
{ {
//@todo modifications are needed to make this work with functions returning multiple values //@todo modifications are needed to make this work with functions returning multiple values
if (Expression* expression = _return.getExpression()) if (Expression* expression = _return.getExpression())
@ -305,7 +305,7 @@ bool Compiler::visit(Return& _return)
return false; return false;
} }
bool Compiler::visit(VariableDefinition& _variableDefinition) bool Compiler::visit(VariableDefinition const& _variableDefinition)
{ {
if (Expression* expression = _variableDefinition.getExpression()) if (Expression* expression = _variableDefinition.getExpression())
{ {
@ -320,7 +320,7 @@ bool Compiler::visit(VariableDefinition& _variableDefinition)
return false; return false;
} }
bool Compiler::visit(ExpressionStatement& _expressionStatement) bool Compiler::visit(ExpressionStatement const& _expressionStatement)
{ {
Expression& expression = _expressionStatement.getExpression(); Expression& expression = _expressionStatement.getExpression();
ExpressionCompiler::compileExpression(m_context, expression); ExpressionCompiler::compileExpression(m_context, expression);

18
Compiler.h
View File

@ -32,7 +32,7 @@ class Compiler: private ASTVisitor
public: public:
Compiler(): m_returnTag(m_context.newTag()) {} Compiler(): m_returnTag(m_context.newTag()) {}
void compileContract(ContractDefinition& _contract, std::vector<MagicVariableDeclaration const*> const& _magicGlobals); void compileContract(ContractDefinition const& _contract, std::vector<MagicVariableDeclaration const*> const& _magicGlobals);
bytes getAssembledBytecode(bool _optimize = false) { return m_context.getAssembledBytecode(_optimize); } bytes getAssembledBytecode(bool _optimize = false) { return m_context.getAssembledBytecode(_optimize); }
void streamAssembly(std::ostream& _stream) const { m_context.streamAssembly(_stream); } void streamAssembly(std::ostream& _stream) const { m_context.streamAssembly(_stream); }
@ -48,14 +48,14 @@ private:
void registerStateVariables(ContractDefinition const& _contract); void registerStateVariables(ContractDefinition const& _contract);
virtual bool visit(FunctionDefinition& _function) override; virtual bool visit(FunctionDefinition const& _function) override;
virtual bool visit(IfStatement& _ifStatement) override; virtual bool visit(IfStatement const& _ifStatement) override;
virtual bool visit(WhileStatement& _whileStatement) override; virtual bool visit(WhileStatement const& _whileStatement) override;
virtual bool visit(Continue& _continue) override; virtual bool visit(Continue const& _continue) override;
virtual bool visit(Break& _break) override; virtual bool visit(Break const& _break) override;
virtual bool visit(Return& _return) override; virtual bool visit(Return const& _return) override;
virtual bool visit(VariableDefinition& _variableDefinition) override; virtual bool visit(VariableDefinition const& _variableDefinition) override;
virtual bool visit(ExpressionStatement& _expressionStatement) override; virtual bool visit(ExpressionStatement const& _expressionStatement) override;
CompilerContext m_context; CompilerContext m_context;

36
ExpressionCompiler.cpp
View File

@ -32,7 +32,7 @@ using namespace std;
namespace dev { namespace dev {
namespace solidity { namespace solidity {
void ExpressionCompiler::compileExpression(CompilerContext& _context, Expression& _expression) void ExpressionCompiler::compileExpression(CompilerContext& _context, Expression const& _expression)
{ {
ExpressionCompiler compiler(_context); ExpressionCompiler compiler(_context);
_expression.accept(compiler); _expression.accept(compiler);
@ -45,7 +45,7 @@ void ExpressionCompiler::appendTypeConversion(CompilerContext& _context,
compiler.appendTypeConversion(_typeOnStack, _targetType); compiler.appendTypeConversion(_typeOnStack, _targetType);
} }
bool ExpressionCompiler::visit(Assignment& _assignment) bool ExpressionCompiler::visit(Assignment const& _assignment)
{ {
_assignment.getRightHandSide().accept(*this); _assignment.getRightHandSide().accept(*this);
appendTypeConversion(*_assignment.getRightHandSide().getType(), *_assignment.getType()); appendTypeConversion(*_assignment.getRightHandSide().getType(), *_assignment.getType());
@ -67,7 +67,7 @@ bool ExpressionCompiler::visit(Assignment& _assignment)
return false; return false;
} }
void ExpressionCompiler::endVisit(UnaryOperation& _unaryOperation) void ExpressionCompiler::endVisit(UnaryOperation const& _unaryOperation)
{ {
//@todo type checking and creating code for an operator should be in the same place: //@todo type checking and creating code for an operator should be in the same place:
// the operator should know how to convert itself and to which types it applies, so // the operator should know how to convert itself and to which types it applies, so
@ -128,10 +128,10 @@ void ExpressionCompiler::endVisit(UnaryOperation& _unaryOperation)
} }
} }
bool ExpressionCompiler::visit(BinaryOperation& _binaryOperation) bool ExpressionCompiler::visit(BinaryOperation const& _binaryOperation)
{ {
Expression& leftExpression = _binaryOperation.getLeftExpression(); Expression const& leftExpression = _binaryOperation.getLeftExpression();
Expression& rightExpression = _binaryOperation.getRightExpression(); Expression const& rightExpression = _binaryOperation.getRightExpression();
Type const& commonType = _binaryOperation.getCommonType(); Type const& commonType = _binaryOperation.getCommonType();
Token::Value const op = _binaryOperation.getOperator(); Token::Value const op = _binaryOperation.getOperator();
@ -158,7 +158,7 @@ bool ExpressionCompiler::visit(BinaryOperation& _binaryOperation)
return false; return false;
} }
bool ExpressionCompiler::visit(FunctionCall& _functionCall) bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
{ {
using Location = FunctionType::Location; using Location = FunctionType::Location;
if (_functionCall.isTypeConversion()) if (_functionCall.isTypeConversion())
@ -166,7 +166,7 @@ bool ExpressionCompiler::visit(FunctionCall& _functionCall)
//@todo struct construction //@todo struct construction
if (asserts(_functionCall.getArguments().size() == 1)) if (asserts(_functionCall.getArguments().size() == 1))
BOOST_THROW_EXCEPTION(InternalCompilerError()); BOOST_THROW_EXCEPTION(InternalCompilerError());
Expression& firstArgument = *_functionCall.getArguments().front(); Expression const& firstArgument = *_functionCall.getArguments().front();
firstArgument.accept(*this); firstArgument.accept(*this);
if (firstArgument.getType()->getCategory() == Type::Category::CONTRACT && if (firstArgument.getType()->getCategory() == Type::Category::CONTRACT &&
_functionCall.getType()->getCategory() == Type::Category::INTEGER) _functionCall.getType()->getCategory() == Type::Category::INTEGER)
@ -268,7 +268,7 @@ bool ExpressionCompiler::visit(FunctionCall& _functionCall)
return false; return false;
} }
void ExpressionCompiler::endVisit(MemberAccess& _memberAccess) void ExpressionCompiler::endVisit(MemberAccess const& _memberAccess)
{ {
ASTString const& member = _memberAccess.getMemberName(); ASTString const& member = _memberAccess.getMemberName();
switch (_memberAccess.getExpression().getType()->getCategory()) switch (_memberAccess.getExpression().getType()->getCategory())
@ -332,7 +332,7 @@ void ExpressionCompiler::endVisit(MemberAccess& _memberAccess)
} }
} }
bool ExpressionCompiler::visit(IndexAccess& _indexAccess) bool ExpressionCompiler::visit(IndexAccess const& _indexAccess)
{ {
_indexAccess.getBaseExpression().accept(*this); _indexAccess.getBaseExpression().accept(*this);
_indexAccess.getIndexExpression().accept(*this); _indexAccess.getIndexExpression().accept(*this);
@ -349,30 +349,30 @@ bool ExpressionCompiler::visit(IndexAccess& _indexAccess)
return false; return false;
} }
void ExpressionCompiler::endVisit(Identifier& _identifier) void ExpressionCompiler::endVisit(Identifier const& _identifier)
{ {
Declaration* declaration = _identifier.getReferencedDeclaration(); Declaration const* declaration = _identifier.getReferencedDeclaration();
if (MagicVariableDeclaration* magicVar = dynamic_cast<MagicVariableDeclaration*>(declaration)) if (MagicVariableDeclaration const* magicVar = dynamic_cast<MagicVariableDeclaration const*>(declaration))
{ {
if (magicVar->getType()->getCategory() == Type::Category::CONTRACT) // must be "this" if (magicVar->getType()->getCategory() == Type::Category::CONTRACT) // must be "this"
m_context << eth::Instruction::ADDRESS; m_context << eth::Instruction::ADDRESS;
return; return;
} }
if (FunctionDefinition* functionDef = dynamic_cast<FunctionDefinition*>(declaration)) if (FunctionDefinition const* functionDef = dynamic_cast<FunctionDefinition const*>(declaration))
{ {
m_context << m_context.getFunctionEntryLabel(*functionDef).pushTag(); m_context << m_context.getFunctionEntryLabel(*functionDef).pushTag();
return; return;
} }
if (/*VariableDeclaration* varDef = */dynamic_cast<VariableDeclaration*>(declaration)) if (dynamic_cast<VariableDeclaration const*>(declaration))
{ {
m_currentLValue.fromIdentifier(_identifier, *_identifier.getReferencedDeclaration()); m_currentLValue.fromIdentifier(_identifier, *declaration);
m_currentLValue.retrieveValueIfLValueNotRequested(_identifier); m_currentLValue.retrieveValueIfLValueNotRequested(_identifier);
return; return;
} }
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Identifier type not expected in expression context.")); BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Identifier type not expected in expression context."));
} }
void ExpressionCompiler::endVisit(Literal& _literal) void ExpressionCompiler::endVisit(Literal const& _literal)
{ {
switch (_literal.getType()->getCategory()) switch (_literal.getType()->getCategory())
{ {
@ -385,7 +385,7 @@ void ExpressionCompiler::endVisit(Literal& _literal)
} }
} }
void ExpressionCompiler::appendAndOrOperatorCode(BinaryOperation& _binaryOperation) void ExpressionCompiler::appendAndOrOperatorCode(BinaryOperation const& _binaryOperation)
{ {
Token::Value const op = _binaryOperation.getOperator(); Token::Value const op = _binaryOperation.getOperator();
if (asserts(op == Token::OR || op == Token::AND)) if (asserts(op == Token::OR || op == Token::AND))

20
ExpressionCompiler.h
View File

@ -44,7 +44,7 @@ class ExpressionCompiler: private ASTVisitor
{ {
public: public:
/// Compile the given @a _expression into the @a _context. /// Compile the given @a _expression into the @a _context.
static void compileExpression(CompilerContext& _context, Expression& _expression); static void compileExpression(CompilerContext& _context, Expression const& _expression);
/// Appends code to remove dirty higher order bits in case of an implicit promotion to a wider type. /// Appends code to remove dirty higher order bits in case of an implicit promotion to a wider type.
static void appendTypeConversion(CompilerContext& _context, Type const& _typeOnStack, Type const& _targetType); static void appendTypeConversion(CompilerContext& _context, Type const& _typeOnStack, Type const& _targetType);
@ -53,18 +53,18 @@ private:
ExpressionCompiler(CompilerContext& _compilerContext): ExpressionCompiler(CompilerContext& _compilerContext):
m_context(_compilerContext), m_currentLValue(m_context) {} m_context(_compilerContext), m_currentLValue(m_context) {}
virtual bool visit(Assignment& _assignment) override; virtual bool visit(Assignment const& _assignment) override;
virtual void endVisit(UnaryOperation& _unaryOperation) override; virtual void endVisit(UnaryOperation const& _unaryOperation) override;
virtual bool visit(BinaryOperation& _binaryOperation) override; virtual bool visit(BinaryOperation const& _binaryOperation) override;
virtual bool visit(FunctionCall& _functionCall) override; virtual bool visit(FunctionCall const& _functionCall) override;
virtual void endVisit(MemberAccess& _memberAccess) override; virtual void endVisit(MemberAccess const& _memberAccess) override;
virtual bool visit(IndexAccess& _indexAccess) override; virtual bool visit(IndexAccess const& _indexAccess) override;
virtual void endVisit(Identifier& _identifier) override; virtual void endVisit(Identifier const& _identifier) override;
virtual void endVisit(Literal& _literal) override; virtual void endVisit(Literal const& _literal) override;
///@{ ///@{
///@name Append code for various operator types ///@name Append code for various operator types
void appendAndOrOperatorCode(BinaryOperation& _binaryOperation); void appendAndOrOperatorCode(BinaryOperation const& _binaryOperation);
void appendCompareOperatorCode(Token::Value _operator, Type const& _type); void appendCompareOperatorCode(Token::Value _operator, Type const& _type);
void appendOrdinaryBinaryOperatorCode(Token::Value _operator, Type const& _type); void appendOrdinaryBinaryOperatorCode(Token::Value _operator, Type const& _type);