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-rw-r--r--libsolidity/codegen/Compiler.h66
1 files changed, 3 insertions, 63 deletions
diff --git a/libsolidity/codegen/Compiler.h b/libsolidity/codegen/Compiler.h
index 69040253..fccb68a9 100644
--- a/libsolidity/codegen/Compiler.h
+++ b/libsolidity/codegen/Compiler.h
@@ -24,20 +24,18 @@
#include <ostream>
#include <functional>
-#include <libsolidity/ast/ASTVisitor.h>
#include <libsolidity/codegen/CompilerContext.h>
#include <libevmasm/Assembly.h>
namespace dev {
namespace solidity {
-class Compiler: private ASTConstVisitor
+class Compiler
{
public:
explicit Compiler(bool _optimize = false, unsigned _runs = 200):
m_optimize(_optimize),
- m_optimizeRuns(_runs),
- m_returnTag(m_context.newTag())
+ m_optimizeRuns(_runs)
{ }
void compileContract(
@@ -69,69 +67,11 @@ public:
eth::AssemblyItem functionEntryLabel(FunctionDefinition const& _function) const;
private:
- /// Registers the non-function objects inside the contract with the context and stores the basic
- /// information about the contract like the AST annotations.
- void initializeContext(
- ContractDefinition const& _contract,
- std::map<ContractDefinition const*, eth::Assembly const*> const& _compiledContracts
- );
- /// Adds the code that is run at creation time. Should be run after exchanging the run-time context
- /// with a new and initialized context. Adds the constructor code.
- void packIntoContractCreator(ContractDefinition const& _contract, CompilerContext const& _runtimeContext);
- /// Appends state variable initialisation and constructor code.
- void appendInitAndConstructorCode(ContractDefinition const& _contract);
- void appendBaseConstructor(FunctionDefinition const& _constructor);
- void appendConstructor(FunctionDefinition const& _constructor);
- void appendFunctionSelector(ContractDefinition const& _contract);
- /// Creates code that unpacks the arguments for the given function represented by a vector of TypePointers.
- /// From memory if @a _fromMemory is true, otherwise from call data.
- /// Expects source offset on the stack, which is removed.
- void appendCalldataUnpacker(TypePointers const& _typeParameters, bool _fromMemory = false);
- void appendReturnValuePacker(TypePointers const& _typeParameters, bool _isLibrary);
-
- void registerStateVariables(ContractDefinition const& _contract);
- void initializeStateVariables(ContractDefinition const& _contract);
-
- virtual bool visit(VariableDeclaration const& _variableDeclaration) override;
- virtual bool visit(FunctionDefinition const& _function) override;
- virtual bool visit(InlineAssembly const& _inlineAssembly) override;
- virtual bool visit(IfStatement const& _ifStatement) override;
- virtual bool visit(WhileStatement const& _whileStatement) override;
- virtual bool visit(ForStatement const& _forStatement) override;
- virtual bool visit(Continue const& _continue) override;
- virtual bool visit(Break const& _break) override;
- virtual bool visit(Return const& _return) override;
- virtual bool visit(Throw const& _throw) override;
- virtual bool visit(VariableDeclarationStatement const& _variableDeclarationStatement) override;
- virtual bool visit(ExpressionStatement const& _expressionStatement) override;
- virtual bool visit(PlaceholderStatement const&) override;
-
- /// Repeatedly visits all function which are referenced but which are not compiled yet.
- void appendMissingFunctions();
-
- /// Appends one layer of function modifier code of the current function, or the function
- /// body itself if the last modifier was reached.
- void appendModifierOrFunctionCode();
-
- void appendStackVariableInitialisation(VariableDeclaration const& _variable);
- void compileExpression(Expression const& _expression, TypePointer const& _targetType = TypePointer());
-
- /// @returns the runtime assembly for clone contracts.
- static eth::Assembly cloneRuntime();
-
bool const m_optimize;
unsigned const m_optimizeRuns;
CompilerContext m_context;
- size_t m_runtimeSub = size_t(-1); ///< Identifier of the runtime sub-assembly
+ size_t m_runtimeSub = size_t(-1); ///< Identifier of the runtime sub-assembly, if present.
CompilerContext m_runtimeContext;
- std::vector<eth::AssemblyItem> m_breakTags; ///< tag to jump to for a "break" statement
- std::vector<eth::AssemblyItem> m_continueTags; ///< tag to jump to for a "continue" statement
- eth::AssemblyItem m_returnTag; ///< tag to jump to for a "return" statement
- unsigned m_modifierDepth = 0;
- FunctionDefinition const* m_currentFunction = nullptr;
- unsigned m_stackCleanupForReturn = 0; ///< this number of stack elements need to be removed before jump to m_returnTag
- // arguments for base constructors, filled in derived-to-base order
- std::map<FunctionDefinition const*, std::vector<ASTPointer<Expression>> const*> m_baseArguments;
};
}