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Inline TokenIterator

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This commit is contained in:
Raúl Marín 2021-11-29 10:47:21 +01:00
parent e9ae49c68b
commit 89734819ca
1 changed files with 22 additions and 12 deletions
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34
src/Parsers/TokenIterator.h
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@ -1,8 +1,10 @@
#pragma once
#include <vector>
#include <Core/Defines.h>
#include <Parsers/Lexer.h>
#include <vector>
namespace DB
{
@ -59,22 +61,30 @@ private:
public:
explicit TokenIterator(Tokens & tokens_) : tokens(&tokens_) {}
const Token & get() { return (*tokens)[index]; }
const Token & operator*() { return get(); }
const Token * operator->() { return &get(); }
ALWAYS_INLINE const Token & get() { return (*tokens)[index]; }
ALWAYS_INLINE const Token & operator*() { return get(); }
ALWAYS_INLINE const Token * operator->() { return &get(); }
TokenIterator & operator++() { ++index; return *this; }
TokenIterator & operator--() { --index; return *this; }
ALWAYS_INLINE TokenIterator & operator++()
{
++index;
return *this;
}
ALWAYS_INLINE TokenIterator & operator--()
{
--index;
return *this;
}
bool operator< (const TokenIterator & rhs) const { return index < rhs.index; }
bool operator<= (const TokenIterator & rhs) const { return index <= rhs.index; }
bool operator== (const TokenIterator & rhs) const { return index == rhs.index; }
bool operator!= (const TokenIterator & rhs) const { return index != rhs.index; }
ALWAYS_INLINE bool operator<(const TokenIterator & rhs) const { return index < rhs.index; }
ALWAYS_INLINE bool operator<=(const TokenIterator & rhs) const { return index <= rhs.index; }
ALWAYS_INLINE bool operator==(const TokenIterator & rhs) const { return index == rhs.index; }
ALWAYS_INLINE bool operator!=(const TokenIterator & rhs) const { return index != rhs.index; }
bool isValid() { return get().type < TokenType::EndOfStream; }
ALWAYS_INLINE bool isValid() { return get().type < TokenType::EndOfStream; }
/// Rightmost token we had looked.
const Token & max() { return tokens->max(); }
ALWAYS_INLINE const Token & max() { return tokens->max(); }
};