jgrogan/stuff-from-scratch
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Clean project structure.

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This commit is contained in:
jmsgrogan 2023-01-17 10:13:25 +00:00
parent 78a4fa99ff
commit 947bf937fd
496 changed files with 206 additions and 137 deletions
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72
src/compiler/Lexer.cpp
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@ -1,72 +0,0 @@
#include "Lexer.h"
bool Lexer::matchPattern(const std::string& pattern, const std::string& checkString, char delimiter, std::vector<std::string>& hitSequence)
{
if (checkString.empty())
{
return false;
}
if (pattern.empty())
{
return false;
}
bool found_pattern = true;
unsigned check_idx = 0;
unsigned pattern_idx = 0;
std::vector<std::string> hits;
std::string working_hit;
while(check_idx < checkString.size())
{
if (pattern_idx == pattern.size())
{
break;
}
auto check_char = checkString[check_idx];
auto pattern_char = pattern[pattern_idx];
if (pattern_char == delimiter)
{
if (pattern_idx + 1 < pattern.size())
{
if (check_char == pattern[pattern_idx + 1])
{
hits.push_back(working_hit);
working_hit.clear();
pattern_idx++;
}
else
{
working_hit+=check_char;
check_idx++;
}
}
else
{
working_hit+=check_char;
check_idx++;
}
}
else
{
if (check_char == pattern_char)
{
check_idx++;
pattern_idx++;
}
else
{
found_pattern = false;
break;
}
}
}
if (found_pattern)
{
hitSequence = hits;
}
return found_pattern;
}