120 lines
4.4 KiB
C++
120 lines
4.4 KiB
C++
// Copyright (c) 2020-now by the Zeek Project. See LICENSE for details.
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#pragma once
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include <hilti/ast/attribute.h>
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#include <hilti/ast/declaration.h>
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#include <hilti/ast/declarations/type.h>
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#include <hilti/ast/expression.h>
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#include <hilti/ast/function.h>
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#include <hilti/ast/id.h>
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#include <hilti/ast/operator-registry.h>
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#include <hilti/ast/operators/struct.h>
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#include <hilti/ast/types/auto.h>
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namespace hilti::declaration {
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/** AST node for a struct/union field declaration. */
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class Field : public Declaration {
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public:
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auto callingConvention() const { return _cc; }
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auto attributes() const { return child<AttributeSet>(1); }
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auto inlineFunction() const { return child<hilti::Function>(2); }
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/** Returns an operator corresponding to a call to the member function that the declaration corresponds to, if any.
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*/
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auto operator_() const { return _operator; }
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QualifiedType* type() const {
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if ( const auto& func = inlineFunction() )
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return func->type();
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else
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return child<QualifiedType>(0);
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}
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bool isResolved(node::CycleDetector* cd = nullptr) const {
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if ( auto func = inlineFunction() )
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return func->type()->isResolved(cd);
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if ( auto type = child<QualifiedType>(0); type->type()->isA<type::Function>() )
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return true;
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else
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return type->isResolved(cd);
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}
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hilti::Expression* default_() const {
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if ( auto a = attributes()->find(hilti::attribute::kind::Default) )
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return *a->valueAsExpression();
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else
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return {};
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}
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auto isAnonymous() const { return attributes()->find(hilti::attribute::kind::Anonymous) != nullptr; }
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auto isInternal() const { return attributes()->find(hilti::attribute::kind::Internal) != nullptr; }
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auto isOptional() const { return attributes()->find(hilti::attribute::kind::Optional) != nullptr; }
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auto isStatic() const { return attributes()->find(hilti::attribute::kind::Static) != nullptr; }
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auto isNoEmit() const { return attributes()->find(hilti::attribute::kind::NoEmit) != nullptr; }
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auto linkedTypeIndex() const { return _linked_type_index; }
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void setAttributes(ASTContext* ctx, AttributeSet* attrs) { setChild(ctx, 1, attrs); }
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void setOperator(const Operator* op) { _operator = op; }
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void setType(ASTContext* ctx, QualifiedType* t) { setChild(ctx, 0, t); }
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void setLinkedTypeIndex(ast::TypeIndex idx) {
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assert(idx);
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_linked_type_index = idx;
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}
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std::string_view displayName() const final { return "struct field"; }
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node::Properties properties() const final;
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static auto create(ASTContext* ctx, ID id, QualifiedType* type, AttributeSet* attrs, Meta meta = {}) {
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if ( ! attrs )
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attrs = AttributeSet::create(ctx);
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if ( attrs->has(hilti::attribute::kind::Static) )
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// make it assignable
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type = type->recreateAsLhs(ctx);
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return ctx->make<Field>(ctx, {type, attrs, nullptr}, std::move(id), std::nullopt, std::move(meta));
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}
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static auto create(ASTContext* ctx, ID id, ::hilti::function::CallingConvention cc, type::Function* ftype,
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AttributeSet* attrs, Meta meta = {}) {
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if ( ! attrs )
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attrs = AttributeSet::create(ctx);
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return ctx->make<Field>(ctx, {QualifiedType::create(ctx, ftype, Constness::Const), attrs, nullptr},
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std::move(id), cc, std::move(meta));
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}
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static auto create(ASTContext* ctx, ID id, hilti::Function* inline_func, AttributeSet* attrs, Meta meta = {}) {
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if ( ! attrs )
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attrs = AttributeSet::create(ctx);
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return ctx->make<Field>(ctx, {nullptr, attrs, inline_func}, std::move(id), std::nullopt, std::move(meta));
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}
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protected:
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Field(ASTContext* ctx, Nodes children, ID id, std::optional<::hilti::function::CallingConvention> cc, Meta meta)
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: Declaration(ctx, NodeTags, std::move(children), std::move(id), declaration::Linkage::Struct,
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std::move(meta)) {}
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std::string _dump() const override;
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HILTI_NODE_1(declaration::Field, Declaration, final);
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private:
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std::optional<::hilti::function::CallingConvention> _cc;
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const Operator* _operator = nullptr;
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ast::TypeIndex _linked_type_index;
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};
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} // namespace hilti::declaration
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