82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
#include "Normalizer.h"
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#include "utils.h"
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TokenStream Normalizer::normalize(const TokenStream& input)
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{
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TokenStream result;
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int i = 0;
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while (i < input.size())
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{
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Token current = input[i];
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if (current.tk_type == TT_Null)
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{
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i++;
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continue;
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}
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if (current.tk_type == TT_Equal)
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{
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if (i + 1 != input.size())
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{
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if (input[i + 1].tk_type == TT_Equal)
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{
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i += 2;
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result.push_back(current.copy_with_new_type(TT_Equals));
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continue;
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}
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}
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i++;
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result.push_back(current);
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continue;
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}
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if (current.tk_type == TT_Exclamation)
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{
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if (i + 1 != input.size())
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{
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if (input[i + 1].tk_type == TT_Equal)
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{
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i += 2;
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result.push_back(current.copy_with_new_type(TT_NEqual));
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continue;
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}
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}
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i++;
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result.push_back(current);
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continue;
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}
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if (current.tk_type == TT_GreaterThan)
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{
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if (i + 1 != input.size())
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{
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if (input[i + 1].tk_type == TT_Equal)
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{
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i += 2;
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result.push_back(current.copy_with_new_type(TT_GTE));
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continue;
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}
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}
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i++;
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result.push_back(current);
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continue;
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}
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if (current.tk_type == TT_LessThan)
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{
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if (i + 1 != input.size())
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{
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if (input[i + 1].tk_type == TT_Equal)
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{
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i += 2;
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result.push_back(current.copy_with_new_type(TT_LTE));
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continue;
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}
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}
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i++;
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result.push_back(current);
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continue;
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}
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i++;
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result.push_back(current);
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continue;
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}
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return result;
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} |