diff options
Diffstat (limited to 'libsolidity/ast/AST.h')
| -rw-r--r-- | libsolidity/ast/AST.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/libsolidity/ast/AST.h b/libsolidity/ast/AST.h index ab872750..a28d9f4f 100644 --- a/libsolidity/ast/AST.h +++ b/libsolidity/ast/AST.h @@ -70,6 +70,10 @@ public: element->accept(_visitor); } + /// @returns a copy of the vector containing only the nodes which derive from T. + template <class _T> + static std::vector<_T const*> filteredNodes(std::vector<ASTPointer<ASTNode>> const& _nodes); + /// Returns the source code location of this node. SourceLocation const& location() const { return m_location; } @@ -95,6 +99,16 @@ private: SourceLocation m_location; }; +template <class _T> +std::vector<_T const*> ASTNode::filteredNodes(std::vector<ASTPointer<ASTNode>> const& _nodes) +{ + std::vector<_T const*> ret; + for (auto const& n: _nodes) + if (auto const* nt = dynamic_cast<_T const*>(n.get())) + ret.push_back(nt); + return ret; +} + /** * Source unit containing import directives and contract definitions. */ @@ -253,12 +267,12 @@ public: std::vector<ASTPointer<InheritanceSpecifier>> const& baseContracts() const { return m_baseContracts; } std::vector<ASTPointer<ASTNode>> const& subNodes() const { return m_subNodes; } - std::vector<StructDefinition const*> definedStructs() const; - std::vector<EnumDefinition const*> definedEnums() const; - std::vector<VariableDeclaration const*> stateVariables() const; - std::vector<ModifierDefinition const*> functionModifiers() const; - std::vector<FunctionDefinition const*> definedFunctions() const; - std::vector<EventDefinition const*> events() const; + std::vector<StructDefinition const*> definedStructs() const { return filteredNodes<StructDefinition>(m_subNodes); } + std::vector<EnumDefinition const*> definedEnums() const { return filteredNodes<EnumDefinition>(m_subNodes); } + std::vector<VariableDeclaration const*> stateVariables() const { return filteredNodes<VariableDeclaration>(m_subNodes); } + std::vector<ModifierDefinition const*> functionModifiers() const { return filteredNodes<ModifierDefinition>(m_subNodes); } + std::vector<FunctionDefinition const*> definedFunctions() const { return filteredNodes<FunctionDefinition>(m_subNodes); } + std::vector<EventDefinition const*> events() const { return filteredNodes<EventDefinition>(m_subNodes); } std::vector<EventDefinition const*> const& interfaceEvents() const; bool isLibrary() const { return m_isLibrary; } |