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Added the using x for y directive.

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This commit is contained in:
chriseth
2015-11-26 17:49:39 +01:00
parent 09b2f9acb7
commit d71cd3aa2b
10 changed files with 124 additions and 3 deletions
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libsolidity/ast/AST.h
+27
View File
@@ -335,6 +335,33 @@ private:
std::vector<ASTPointer<Expression>> m_arguments;
};
/**
* `using LibraryName for uint` will attach all functions from the library LibraryName
* to `uint` if the first parameter matches the type. `using LibraryName for *` attaches
* the function to any matching type.
*/
class UsingForDirective: public ASTNode
{
public:
UsingForDirective(
SourceLocation const& _location,
ASTPointer<Identifier> const& _libraryName,
ASTPointer<TypeName> const& _typeName
):
ASTNode(_location), m_libraryName(_libraryName), m_typeName(_typeName) {}
virtual void accept(ASTVisitor& _visitor) override;
virtual void accept(ASTConstVisitor& _visitor) const override;
Identifier const& libraryName() const { return *m_libraryName; }
/// @returns the type name the library is attached to, null for `*`.
TypeName const* typeName() const { return m_typeName.get(); }
private:
ASTPointer<Identifier> m_libraryName;
ASTPointer<TypeName> m_typeName;
};
class StructDefinition: public Declaration
{
public:
libsolidity/ast/ASTVisitor.h
+4
View File
@@ -47,6 +47,7 @@ public:
virtual bool visit(ImportDirective& _node) { return visitNode(_node); }
virtual bool visit(ContractDefinition& _node) { return visitNode(_node); }
virtual bool visit(InheritanceSpecifier& _node) { return visitNode(_node); }
virtual bool visit(UsingForDirective& _node) { return visitNode(_node); }
virtual bool visit(StructDefinition& _node) { return visitNode(_node); }
virtual bool visit(EnumDefinition& _node) { return visitNode(_node); }
virtual bool visit(EnumValue& _node) { return visitNode(_node); }
@@ -88,6 +89,7 @@ public:
virtual void endVisit(ImportDirective& _node) { endVisitNode(_node); }
virtual void endVisit(ContractDefinition& _node) { endVisitNode(_node); }
virtual void endVisit(InheritanceSpecifier& _node) { endVisitNode(_node); }
virtual void endVisit(UsingForDirective& _node) { endVisitNode(_node); }
virtual void endVisit(StructDefinition& _node) { endVisitNode(_node); }
virtual void endVisit(EnumDefinition& _node) { endVisitNode(_node); }
virtual void endVisit(EnumValue& _node) { endVisitNode(_node); }
@@ -142,6 +144,7 @@ public:
virtual bool visit(ContractDefinition const& _node) { return visitNode(_node); }
virtual bool visit(InheritanceSpecifier const& _node) { return visitNode(_node); }
virtual bool visit(StructDefinition const& _node) { return visitNode(_node); }
virtual bool visit(UsingForDirective const& _node) { return visitNode(_node); }
virtual bool visit(EnumDefinition const& _node) { return visitNode(_node); }
virtual bool visit(EnumValue const& _node) { return visitNode(_node); }
virtual bool visit(ParameterList const& _node) { return visitNode(_node); }
@@ -182,6 +185,7 @@ public:
virtual void endVisit(ImportDirective const& _node) { endVisitNode(_node); }
virtual void endVisit(ContractDefinition const& _node) { endVisitNode(_node); }
virtual void endVisit(InheritanceSpecifier const& _node) { endVisitNode(_node); }
virtual void endVisit(UsingForDirective const& _node) { endVisitNode(_node); }
virtual void endVisit(StructDefinition const& _node) { endVisitNode(_node); }
virtual void endVisit(EnumDefinition const& _node) { endVisitNode(_node); }
virtual void endVisit(EnumValue const& _node) { endVisitNode(_node); }
libsolidity/ast/AST_accept.h
+22
View File
@@ -123,6 +123,28 @@ void EnumValue::accept(ASTConstVisitor& _visitor) const
_visitor.endVisit(*this);
}
void UsingForDirective::accept(ASTVisitor& _visitor)
{
if (_visitor.visit(*this))
{
if (m_libraryName)
m_libraryName->accept(_visitor);
m_typeName->accept(_visitor);
}
_visitor.endVisit(*this);
}
void UsingForDirective::accept(ASTConstVisitor& _visitor) const
{
if (_visitor.visit(*this))
{
if (m_libraryName)
m_libraryName->accept(_visitor);
m_typeName->accept(_visitor);
}
_visitor.endVisit(*this);
}
void StructDefinition::accept(ASTVisitor& _visitor)
{
if (_visitor.visit(*this))