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/**
* @file remove_duplicate_include.cpp
*
* @author Guy Maurel
* October 2015, 2016
* @license GPL v2+
*/
#include "remove_duplicate_include.h"
#include "chunk.h"
#include "uncrustify.h"
using std::vector;
void remove_duplicate_include()
{
LOG_FUNC_ENTRY();
vector<Chunk *> includes;
Chunk *preproc = Chunk::NullChunkPtr;
Chunk *pc = Chunk::GetHead();
while (pc->IsNotNullChunk())
{
//LOG_FMT(LRMRETURN, "%s(%d): orig line is %zu, orig col is %zu, Text() is '%s', type is %s, parent type is %s\n",
// __func__, __LINE__, pc->GetOrigLine(), pc->GetOrigCol(), pc->Text(),
// get_token_name(pc->GetType()), get_token_name(pc->GetParentType()));
if (pc->Is(CT_PREPROC))
{
preproc = pc;
}
else if (pc->Is(CT_PP_INCLUDE))
{
Chunk *next = pc->GetNext();
//LOG_FMT(LRMRETURN, "%s(%d): orig line is %zu, orig col is %zu, Text() is '%s', type is %s, parent type is %s\n",
// __func__, __LINE__, next->GetOrigLine(), next->GetOrigCol(), next->Text(),
// get_token_name(next->GetType()), get_token_name(next->GetParentType()));
if (includes.empty())
{
includes.push_back(next);
// goto next newline
pc = next->GetNextNl();
}
else
{
//LOG_FMT(LRMRETURN, "%s(%d): size is %zu\n",
// __func__, __LINE__, includes.size());
// look for duplicate
auto ite = includes.end();
for (auto itc = includes.begin(); itc != ite; ++itc)
{
Chunk *current = *itc;
//LOG_FMT(LRMRETURN, "%s(%d): next->Text() is '%s'\n",
// __func__, __LINE__, next->Text());
//LOG_FMT(LRMRETURN, "%s(%d): current->Text() is '%s'\n",
// __func__, __LINE__, current->Text());
if (std::strcmp(next->Text(), current->Text()) == 0)
{
// erase the statement
Chunk *temp = pc;
Chunk *comment = next->GetNext();
Chunk *eol = next->GetNextNl();
pc = preproc->GetPrev();
Chunk::Delete(preproc);
Chunk::Delete(temp);
Chunk::Delete(next);
if (comment != eol)
{
Chunk::Delete(comment);
}
Chunk::Delete(eol);
break;
}
else
{
// goto next newline
pc = next->GetNextNl();
// and still look for duplicate
}
} // for (auto itc = includes.begin();
} // if (includes.empty())
} // else if (pc->Is(CT_PP_INCLUDE))
// get the next token
pc = pc->GetNext();
}
} // remove_duplicate_include
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