67 lines
2.4 KiB
C++
67 lines
2.4 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 <string>
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#include <utility>
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#include <vector>
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#include <hilti/ast/expression.h>
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#include <hilti/ast/type.h>
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#include <hilti/ast/types/function.h>
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namespace hilti::expression {
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/** AST node representing a builtin function call. */
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class BuiltInFunction : public Expression {
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public:
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auto arguments() const { return children<Expression>(_num_parameters + 1, {}); }
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auto parameters() const { return children<declaration::Parameter>(1, _num_parameters); }
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const auto& cxxname() const { return _cxxname; }
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const auto& name() const { return _name; }
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QualifiedType* type() const final { return child<QualifiedType>(0); }
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node::Properties properties() const final {
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auto p = node::Properties{{"name", _name}, {"cxxname", _cxxname}};
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return Expression::properties() + std::move(p);
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}
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void setArguments(ASTContext* ctx, const Expressions& args) {
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removeChildren(_num_parameters + 1, {});
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addChildren(ctx, args);
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}
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/** Construct a builtin function call node.
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*
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* @param name the name of the function on the HILTI side
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* @param cxxname the name of the wrapped C++ function
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* @param type the return type of the function
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* @param parameters parameters of the function
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* @param arguments arguments to the function call
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* @param m meta information for the function call
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*/
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static auto create(ASTContext* ctx, const std::string& name, const std::string& cxxname, QualifiedType* type,
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const type::function::Parameters& parameters, const Expressions& arguments, Meta meta = {}) {
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return ctx->make<BuiltInFunction>(ctx, node::flatten(type, parameters, arguments), name, cxxname,
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static_cast<int>(parameters.size()), std::move(meta));
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}
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protected:
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BuiltInFunction(ASTContext* ctx, Nodes children, std::string name, std::string cxxname, int num_parameters,
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Meta meta)
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: Expression(ctx, NodeTags, std::move(children), std::move(meta)),
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_name(std::move(name)),
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_cxxname(std::move(cxxname)),
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_num_parameters(num_parameters) {}
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HILTI_NODE_1(expression::BuiltInFunction, Expression, final);
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private:
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std::string _name;
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std::string _cxxname;
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int _num_parameters = 0;
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};
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} // namespace hilti::expression
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