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/**
* @file calculate_closing_brace_position.cpp
*
* @author Guy Maurel
* @license GPL v2+
*/
#include "calculate_closing_brace_position.h"
#include "chunk_list.h"
using namespace uncrustify;
chunk_t *calculate_closing_brace_position(const chunk_t *cl_colon, chunk_t *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->orig_line, cl_colon->orig_col, cl_colon->level);
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->orig_line, pc->orig_col, pc->level);
// 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 (chunk_is_token(pc, CT_BRACE_CLOSE))
{
check_level = pc->level + 1;
}
else
{
check_level = pc->level;
}
size_t erst_found = 0;
chunk_t *is_brace_close = nullptr;
chunk_t *is_semicolon = nullptr;
chunk_t *is_comment = nullptr;
chunk_t *back = chunk_get_prev_nnl(pc);
while (back != nullptr)
{
if (back == cl_colon)
{
break;
}
if (erst_found != 0)
{
break;
}
if (back->level == check_level)
{
if ( chunk_is_token(back, CT_BRACE_CLOSE)
|| chunk_is_token(back, CT_VBRACE_CLOSE))
{
// 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->orig_line, is_brace_close->orig_col, is_brace_close->level);
erst_found = 3;
}
if (chunk_is_token(back, 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->orig_line, is_semicolon->orig_col, is_semicolon->level);
erst_found = 4;
}
if (chunk_is_comment(back))
{
// comment found
is_comment = back;
LOG_FMT(LMCB, "%s(%d): COMMENT: line is %zu, col is %zu, level is %zu\n",
__func__, __LINE__, back->orig_line, back->orig_col, back->level);
}
}
back = chunk_get_prev(back);
}
LOG_FMT(LMCB, "%s(%d): erst_found is %zu\n",
__func__, __LINE__, erst_found);
chunk_t *last = nullptr;
if ( erst_found == 3
|| erst_found == 4)
{
if (is_comment != nullptr)
{
chunk_t *second = nullptr;
if (erst_found == 3)
{
second = is_brace_close;
}
else
{
// erst_found == 4
second = is_semicolon;
}
if (second != nullptr)
{
if (is_comment->orig_line == second->orig_line)
{
last = is_comment;
if (cl_colon->orig_line == is_comment->orig_line)
{
last = chunk_get_next(is_comment);
}
}
else
{
last = chunk_get_prev_ncnnl(pc);
}
}
else
{
LOG_FMT(LMCB, "\n\n%s(%d):\n", __func__, __LINE__);
fprintf(stderr, "FATAL: second is nullptr\n");
fprintf(stderr, "Please make a report.\n");
exit(EX_SOFTWARE);
}
}
else
{
last = chunk_get_prev_ncnnl(pc);
}
}
else
{
LOG_FMT(LMCB, "\n\n%s(%d):\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 (chunk_is_token(last, CT_COMMENT_CPP)) // Issue #3058
{
last = chunk_get_next(last);
}
LOG_FMT(LMCB, "%s(%d): last->text() is '%s', orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, last->text(), last->orig_line, last->orig_col);
if (chunk_is_preproc(last))
{
// we have a preprocessor token
while (last != nullptr)
{
LOG_FMT(LMCB, "%s(%d): text() is '%s', orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, last->text(), last->orig_line, last->orig_col);
if (chunk_is_token(last, CT_PP_ENDIF))
{
// look for the parent
chunk_t *parent_last = last->parent;
// compare the positions
int comp = chunk_compare_position(parent_last, 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_t *pp_start = chunk_get_pp_start(last);
last = chunk_get_prev_nnl(pp_start);
LOG_FMT(LMCB, "%s(%d): text() is '%s', orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, last->text(), last->orig_line, last->orig_col);
}
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->orig_line, last->orig_col);
}
break;
}
last = chunk_get_prev_ncnnl(last);
LOG_FMT(LMCB, "%s(%d): text() is '%s', orig_line %zu, orig_col is %zu\n",
__func__, __LINE__, last->text(), last->orig_line, last->orig_col);
if (!chunk_is_preproc(last))
{
break;
}
}
}
return(last);
} // calculate_closing_brace_position
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