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/**
* @file calculate_closing_brace_position.cpp
*
* @author Guy Maurel
* @license GPL v2+
*/
#include "calculate_closing_brace_position.h"
#include "chunk.h"
using namespace uncrustify;
Chunk *calculate_closing_brace_position(const Chunk *cl_colon, Chunk *pc)
{
LOG_FMT(LMCB, "%s(%d): cl_colon->Text() is '%s', orig line %zu, orig col is %zu, level is %zu\n",
__func__, __LINE__, cl_colon->Text(), cl_colon->GetOrigLine(), cl_colon->GetOrigCol(), cl_colon->GetLevel());
LOG_FMT(LMCB, "%s(%d): pc->Text() is '%s', orig line %zu, orig col is %zu, level is %zu\n",
__func__, __LINE__, pc->Text(), pc->GetOrigLine(), pc->GetOrigCol(), pc->GetLevel());
// end of block is reached
// look back over newline, preprocessor BUT NOT #endif
// Issue #3058
// examine going back the tokens: look for a "brace closing" or a "semi colon" until the colon
// look back over comment, newline, preprocessor BUT NOT #endif
size_t check_level = 0;
if (pc->Is(CT_BRACE_CLOSE))
{
check_level = pc->GetLevel() + 1;
}
else
{
check_level = pc->GetLevel();
}
size_t erst_found = 0;
Chunk *is_brace_close = Chunk::NullChunkPtr;
Chunk *is_semicolon = Chunk::NullChunkPtr;
Chunk *is_comment = Chunk::NullChunkPtr;
Chunk *back = pc->GetPrevNnl();
while (back->IsNotNullChunk())
{
if (back == cl_colon)
{
break;
}
if (erst_found != 0)
{
break;
}
if (back->GetLevel() == check_level)
{
if (back->IsBraceClose())
{
// brace_close found
is_brace_close = back;
LOG_FMT(LMCB, "%s(%d): BRACE_CLOSE: line is %zu, col is %zu, level is %zu\n",
__func__, __LINE__, is_brace_close->GetOrigLine(), is_brace_close->GetOrigCol(), is_brace_close->GetLevel());
erst_found = 3;
}
if (back->Is(CT_SEMICOLON))
{
// semicolon found
is_semicolon = back;
LOG_FMT(LMCB, "%s(%d): SEMICOLON: line is %zu, col is %zu, level is %zu\n",
__func__, __LINE__, is_semicolon->GetOrigLine(), is_semicolon->GetOrigCol(), is_semicolon->GetLevel());
erst_found = 4;
}
if (back->IsComment())
{
// comment found
is_comment = back;
LOG_FMT(LMCB, "%s(%d): COMMENT: line is %zu, col is %zu, level is %zu\n",
__func__, __LINE__, back->GetOrigLine(), back->GetOrigCol(), back->GetLevel());
}
}
back = back->GetPrev();
}
LOG_FMT(LMCB, "%s(%d): erst_found is %zu\n",
__func__, __LINE__, erst_found);
Chunk *last = Chunk::NullChunkPtr;
if ( erst_found == 3
|| erst_found == 4)
{
if (is_comment->IsNotNullChunk())
{
Chunk *second = Chunk::NullChunkPtr;
if (erst_found == 3)
{
second = is_brace_close;
}
else
{
// erst_found == 4
second = is_semicolon;
}
if (second->IsNotNullChunk())
{
if (is_comment->GetOrigLine() == second->GetOrigLine())
{
last = is_comment;
if (cl_colon->GetOrigLine() == is_comment->GetOrigLine())
{
last = is_comment->GetNext();
}
}
else
{
last = pc->GetPrevNcNnl();
}
}
else
{
LOG_FMT(LMCB, "\n\n%s(%d): FATAL: second is null chunk\n", __func__, __LINE__);
fprintf(stderr, "FATAL: second is null chunk\n");
fprintf(stderr, "Please make a report.\n");
exit(EX_SOFTWARE);
}
}
else
{
last = pc->GetPrevNcNnl();
}
}
else
{
LOG_FMT(LMCB, "\n\n%s(%d): FATAL: erst_found is not 3 or 4\n", __func__, __LINE__);
fprintf(stderr, "FATAL: erst_found is not 3 or 4\n");
fprintf(stderr, "Please make a report.\n");
exit(EX_SOFTWARE);
}
if (last->Is(CT_COMMENT_CPP)) // Issue #3058
{
last = last->GetNext();
}
LOG_FMT(LMCB, "%s(%d): last->Text() is '%s', orig line %zu, orig col is %zu\n",
__func__, __LINE__, last->Text(), last->GetOrigLine(), last->GetOrigCol());
if (last->IsPreproc())
{
// we have a preprocessor token
while (last->IsNotNullChunk())
{
LOG_FMT(LMCB, "%s(%d): Text() is '%s', orig line %zu, orig col is %zu\n",
__func__, __LINE__, last->Text(), last->GetOrigLine(), last->GetOrigCol());
if (last->Is(CT_PP_ENDIF))
{
// look for the parent and compare the positions
Chunk *parent_last = last->GetParent();
int comp = parent_last->ComparePosition(cl_colon);
LOG_FMT(LMCB, "%s(%d): comp is %d\n",
__func__, __LINE__, comp);
if (comp == -1)
{
// cl_colon is after parent_last ==>
// the closing brace will be set before #endif
Chunk *pp_start = last->GetPpStart();
last = pp_start->GetPrevNnl();
LOG_FMT(LMCB, "%s(%d): Text() is '%s', orig line %zu, orig col is %zu\n",
__func__, __LINE__, last->Text(), last->GetOrigLine(), last->GetOrigCol());
}
else if (comp == 1)
{
// cl_colon is before parent_last ==>
// the closing brace will be set after #endif
LOG_FMT(LMCB, "%s(%d): Text() is '%s', orig line %zu, orig col is %zu\n",
__func__, __LINE__, last->Text(), last->GetOrigLine(), last->GetOrigCol());
}
break;
}
last = last->GetPrevNcNnl();
LOG_FMT(LMCB, "%s(%d): Text() is '%s', orig line %zu, orig col is %zu\n",
__func__, __LINE__, last->Text(), last->GetOrigLine(), last->GetOrigCol());
if (!last->IsPreproc())
{
break;
}
}
}
return(last);
} // calculate_closing_brace_position
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