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/**
* @file align_tools.cpp
*
* @author Guy Maurel
* split from align.cpp
* @author Ben Gardner
* @license GPL v2+
*/
#include "align_tools.h"
#include "space.h"
#include "uncrustify.h"
#include "uncrustify_limits.h"
chunk_t *skip_c99_array(chunk_t *sq_open)
{
if (chunk_is_token(sq_open, CT_SQUARE_OPEN))
{
chunk_t *tmp = chunk_get_next_nc(chunk_skip_to_match(sq_open));
if (chunk_is_token(tmp, CT_ASSIGN))
{
return(chunk_get_next_nc(tmp));
}
}
return(nullptr);
} // skip_c99_array
chunk_t *scan_ib_line(chunk_t *start, bool first_pass)
{
UNUSED(first_pass);
LOG_FUNC_ENTRY();
chunk_t *prev_match = nullptr;
size_t idx = 0;
// Skip past C99 "[xx] =" stuff
chunk_t *tmp = skip_c99_array(start);
if (tmp != nullptr)
{
set_chunk_parent(start, CT_TSQUARE);
start = tmp;
cpd.al_c99_array = true;
}
chunk_t *pc = start;
if (pc != nullptr)
{
LOG_FMT(LSIB, "%s(%d): start: orig_line is %zu, orig_col is %zu, column is %zu, type is %s\n",
__func__, __LINE__, pc->orig_line, pc->orig_col, pc->column, get_token_name(pc->type));
}
while ( pc != nullptr
&& !chunk_is_newline(pc)
&& pc->level >= start->level)
{
//LOG_FMT(LSIB, "%s: '%s' col %d/%d line %zu\n", __func__,
// pc->text(), pc->column, pc->orig_col, pc->orig_line);
chunk_t *next = chunk_get_next(pc);
if (next == nullptr || chunk_is_comment(next))
{
// do nothing
}
else if ( chunk_is_token(pc, CT_ASSIGN)
|| chunk_is_token(pc, CT_BRACE_OPEN)
|| chunk_is_token(pc, CT_BRACE_CLOSE)
|| chunk_is_token(pc, CT_COMMA))
{
size_t token_width = space_col_align(pc, next);
// TODO: need to handle missing structure defs? ie NULL vs { ... } ??
// Is this a new entry?
if (idx >= cpd.al_cnt)
{
if (idx == 0)
{
LOG_FMT(LSIB, "%s(%d): Prepare the 'idx's\n", __func__, __LINE__);
}
LOG_FMT(LSIB, "%s(%d): New idx is %2.1zu, pc->column is %2.1zu, text() '%s', token_width is %zu, type is %s\n",
__func__, __LINE__, idx, pc->column, pc->text(), token_width, get_token_name(pc->type));
cpd.al[cpd.al_cnt].type = pc->type;
cpd.al[cpd.al_cnt].col = pc->column;
cpd.al[cpd.al_cnt].len = token_width;
cpd.al_cnt++;
if (cpd.al_cnt == uncrustify::limits::AL_SIZE)
{
fprintf(stderr, "Number of 'entry' to be aligned is too big for the current value %d,\n",
uncrustify::limits::AL_SIZE);
fprintf(stderr, "at line %zu, column %zu.\n",
pc->orig_line, pc->orig_col);
fprintf(stderr, "Please make a report.\n");
log_flush(true);
exit(EX_SOFTWARE);
}
idx++;
}
else
{
// expect to match stuff
if (cpd.al[idx].type == pc->type)
{
LOG_FMT(LSIB, "%s(%d): Match? idx is %2.1zu, orig_line is %2.1zu, column is %2.1zu, token_width is %zu, type is %s\n",
__func__, __LINE__, idx, pc->orig_line, pc->column, token_width, get_token_name(pc->type));
// Shift out based on column
if (prev_match == nullptr)
{
if (pc->column > cpd.al[idx].col)
{
LOG_FMT(LSIB, "%s(%d): [ pc->column (%zu) > cpd.al[%zu].col(%zu) ] \n",
__func__, __LINE__, pc->column, idx, cpd.al[idx].col);
ib_shift_out(idx, pc->column - cpd.al[idx].col);
cpd.al[idx].col = pc->column;
}
}
else if (idx > 0)
{
LOG_FMT(LSIB, "%s(%d): prev_match '%s', prev_match->orig_line is %zu, prev_match->orig_col is %zu\n",
__func__, __LINE__, prev_match->text(), prev_match->orig_line, prev_match->orig_col);
int min_col_diff = pc->column - prev_match->column;
int cur_col_diff = cpd.al[idx].col - cpd.al[idx - 1].col;
if (cur_col_diff < min_col_diff)
{
LOG_FMT(LSIB, "%s(%d): pc->orig_line is %zu\n",
__func__, __LINE__, pc->orig_line);
ib_shift_out(idx, min_col_diff - cur_col_diff);
}
}
LOG_FMT(LSIB, "%s(%d): at ende of the loop: now is col %zu, len is %zu\n",
__func__, __LINE__, cpd.al[idx].col, cpd.al[idx].len);
idx++;
}
}
prev_match = pc;
}
pc = chunk_get_next_nc(pc);
}
return(pc);
} // scan_ib_line
void ib_shift_out(size_t idx, size_t num)
{
while (idx < cpd.al_cnt)
{
cpd.al[idx].col += num;
idx++;
}
} // ib_shift_out
chunk_t *step_back_over_member(chunk_t *pc)
{
chunk_t *tmp;
// Skip over any class stuff: bool CFoo::bar()
while ( ((tmp = chunk_get_prev_ncnl(pc)) != nullptr)
&& chunk_is_token(tmp, CT_DC_MEMBER))
{
// TODO: verify that we are pointing at something sane?
pc = chunk_get_prev_ncnl(tmp);
}
return(pc);
} // step_back_over_member
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