26d23959d3
Reviewers: mtomic, mferencevic, llugovic Reviewed By: mferencevic Subscribers: pullbot Differential Revision: https://phabricator.memgraph.io/D1761
78 lines
2.4 KiB
Plaintext
78 lines
2.4 KiB
Plaintext
#>cpp
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#pragma once
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#include <string>
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#include "utils/typeinfo.hpp"
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cpp<#
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(lcp:namespace query)
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(lcp:capnp-namespace "query")
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(lcp:define-class symbol ()
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((name "std::string" :scope :public)
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(position :int64_t :scope :public)
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(user-declared :bool :initval "true" :scope :public)
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(type "Type" :initval "Type::ANY" :scope :public)
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(token-position :int64_t :initval "-1" :scope :public))
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(:public
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;; This is similar to TypedValue::Type, but this has `Any` type.
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;; TODO: Make a better Type structure which can store a generic List.
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(lcp:define-enum type (any vertex edge path number edge-list)
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(:serialize))
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#>cpp
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// TODO: Generate enum to string conversion from LCP. Note, that this is
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// displayed to the end user, so we may want to have a pretty name of each
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// value.
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static std::string TypeToString(Type type) {
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const char *enum_string[] = {"Any", "Vertex", "Edge",
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"Path", "Number", "EdgeList"};
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return enum_string[static_cast<int>(type)];
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}
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Symbol() {}
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Symbol(const std::string &name, int position, bool user_declared,
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Type type = Type::ANY, int token_position = -1)
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: name_(name),
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position_(position),
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user_declared_(user_declared),
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type_(type),
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token_position_(token_position) {}
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bool operator==(const Symbol &other) const {
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return position_ == other.position_ && name_ == other.name_ &&
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type_ == other.type_;
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}
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bool operator!=(const Symbol &other) const { return !operator==(other); }
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// TODO: Remove these since members are public
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const auto &name() const { return name_; }
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int position() const { return position_; }
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Type type() const { return type_; }
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bool user_declared() const { return user_declared_; }
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int token_position() const { return token_position_; }
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cpp<#)
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(:serialize (:slk) (:capnp)))
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(lcp:pop-namespace) ;; query
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#>cpp
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namespace std {
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template <>
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struct hash<query::Symbol> {
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size_t operator()(const query::Symbol &symbol) const {
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size_t prime = 265443599u;
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size_t hash = std::hash<int>{}(symbol.position());
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hash ^= prime * std::hash<std::string>{}(symbol.name());
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hash ^= prime * std::hash<bool>{}(symbol.user_declared());
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hash ^= prime * std::hash<int>{}(static_cast<int>(symbol.type()));
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return hash;
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}
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};
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} // namespace std
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cpp<#
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