diff options
Diffstat (limited to 'debian/uncrustify-trinity/uncrustify-trinity-0.74.0/src/align_stack.cpp')
-rw-r--r-- | debian/uncrustify-trinity/uncrustify-trinity-0.74.0/src/align_stack.cpp | 659 |
1 files changed, 0 insertions, 659 deletions
diff --git a/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/src/align_stack.cpp b/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/src/align_stack.cpp deleted file mode 100644 index c8e15bc5..00000000 --- a/debian/uncrustify-trinity/uncrustify-trinity-0.74.0/src/align_stack.cpp +++ /dev/null @@ -1,659 +0,0 @@ -/** - * @file align_stack.cpp - * Manages an align stack, which is just a pair of chunk stacks. - * There can be at most 1 item per line in the stack. - * The seqnum is actually a line counter. - * - * @author Ben Gardner - * @license GPL v2+ - */ - -#include "align_stack.h" - -#include "align_tab_column.h" -#include "indent.h" -#include "space.h" -#if defined WITH_STACKID -#include "unc_tools.h" // to get stackID and get_A_Number() -#endif - - -constexpr static auto LCURRENT = LAS; - -using namespace uncrustify; - -using std::numeric_limits; - - -void AlignStack::Start(size_t span, int thresh) -{ -#if defined WITH_STACKID - stackID = get_A_Number(); // for debugging purpose only -#endif - // produces much more log output. Use it only debugging purpose - //WITH_STACKID_DEBUG; - - //LOG_FMT(LAS, "AlignStack::Start(%d):m_aligned.Reset()\n", __LINE__); - m_aligned.Reset(); - //LOG_FMT(LAS, "AlignStack::Start(%d):m_skipped.Reset()\n", __LINE__); - m_skipped.Reset(); - - if (thresh > 0) - { - m_absolute_thresh = false; - m_thresh = thresh; - } - else - { - m_absolute_thresh = true; - m_thresh = -thresh; - } - m_span = span; - m_min_col = numeric_limits<size_t>::max(); - m_max_col = 0; - m_nl_seqnum = 0; - m_seqnum = 0; - m_gap = 0; - m_right_align = false; - m_star_style = SS_IGNORE; - m_amp_style = SS_IGNORE; -} - - -void AlignStack::ReAddSkipped() -{ - // produces much more log output. Use it only debugging purpose - //WITH_STACKID_DEBUG; - - if (m_skipped.Empty()) - { - return; - } - // Make a copy of the ChunkStack and clear m_skipped - m_scratch.Set(m_skipped); - //LOG_FMT(LAS, "AlignStack::ReAddSkipped(%d):m_skipped.Reset()\n", __LINE__); - m_skipped.Reset(); - - // Need to add them in order so that m_nl_seqnum is correct - for (size_t idx = 0; idx < m_scratch.Len(); idx++) - { - const ChunkStack::Entry *ce = m_scratch.Get(idx); - LOG_FMT(LAS, "AlignStack::ReAddSkipped [%zu] - ", ce->m_seqnum); - Add(ce->m_pc, ce->m_seqnum); - } - - NewLines(0); // Check to see if we need to flush right away -} - - -void AlignStack::Add(chunk_t *start, size_t seqnum) -{ - // produces much more log output. Use it only debugging purpose - //WITH_STACKID_DEBUG; - LOG_FUNC_ENTRY(); - - LOG_FMT(LAS, "AlignStack::%s(%d): Candidate is '%s': orig_line is %zu, column is %zu, type is %s, level is %zu\n", - __func__, __LINE__, start->text(), start->orig_line, start->column, get_token_name(start->type), start->level); - LOG_FMT(LAS, "AlignStack::%s(%d): seqnum is %zu\n", __func__, __LINE__, seqnum); - - // Assign a seqnum if needed - if (seqnum == 0) - { - LOG_FMT(LAS, "AlignStack::%s(%d): m_seqnum is %zu\n", __func__, __LINE__, m_seqnum); - seqnum = m_seqnum; - LOG_FMT(LAS, "AlignStack::%s(%d): seqnum is %zu\n", __func__, __LINE__, seqnum); - } - m_last_added = 0; - - // Threshold check should begin after - // tighten down the spacing between ref and start - - /* - * SS_IGNORE: no special handling of '*' or '&', only 'foo' is aligned - * void foo; // gap=5, 'foo' is aligned - * char * foo; // gap=3, 'foo' is aligned - * foomatic foo; // gap=1, 'foo' is aligned - * The gap is the columns between 'foo' and the previous token. - * [void - foo], ['*' - foo], etc - * - * SS_INCLUDE: - space between variable and '*' or '&' is eaten - * void foo; // gap=5, 'foo' is aligned - * char *foo; // gap=5, '*' is aligned - * foomatic foo; // gap=1, 'foo' is aligned - * The gap is the columns between the first '*' or '&' before foo - * and the previous token. [void - foo], [char - '*'], etc - * - * SS_DANGLE: - space between variable and '*' or '&' is eaten - * void foo; // gap=5 - * char *bar; // gap=5, as the '*' doesn't count - * foomatic foo; // gap=1 - * The gap is the columns between 'foo' and the chunk before the first - * '*' or '&'. [void - foo], [char - bar], etc - * - * If the gap < m_gap, then the column is bumped out by the difference. - * So, if m_gap is 2, then the above would be: - * SS_IGNORE: - * void foo; // gap=6 - * char * foo; // gap=4 - * foomatic foo; // gap=2 - * SS_INCLUDE: - * void foo; // gap=6 - * char *foo; // gap=6 - * foomatic foo; // gap=2 - * SS_DANGLE: - * void foo; // gap=6 - * char *bar; // gap=6, as the '*' doesn't count - * foomatic foo; // gap=2 - * Right aligned numbers: - * #define A -1 - * #define B 631 - * #define C 3 - * Left aligned numbers: - * #define A -1 - * #define B 631 - * #define C 3 - * - * In the code below, pc is set to the item that is aligned. - * In the above examples, that is 'foo', '*', '-', or 63. - * - * Ref is set to the last part of the type. - * In the above examples, that is 'void', 'char', 'foomatic', 'A', or 'B'. - * - * The '*' and '&' can float between the two. - * - * If align_on_tabstop=true, then SS_DANGLE is changed to SS_INCLUDE. - */ - log_rule_B("align_on_tabstop"); - - if ( options::align_on_tabstop() - && m_star_style == SS_DANGLE) - { - m_star_style = SS_INCLUDE; - } - LOG_FMT(LAS, "AlignStack::%s(%d): m_star_style is %s\n", - __func__, __LINE__, get_StarStyle_name(m_star_style)); - // Find ref. Back up to the real item that is aligned. - chunk_t *prev = start; - - while ( (prev = chunk_get_prev(prev)) != nullptr - && ( chunk_is_ptr_operator(prev) - || chunk_is_token(prev, CT_TPAREN_OPEN))) - { - // do nothing - we want prev when this exits - } - - if (prev == nullptr) - { - return; - } - chunk_t *ref = prev; - - if (chunk_is_newline(ref)) - { - ref = chunk_get_next(ref); - } - // Find the item that we are going to align. - chunk_t *ali = start; - - if (m_star_style != SS_IGNORE) - { - // back up to the first '*' or '^' preceding the token - chunk_t *tmp_prev = chunk_get_prev(ali); - - while ( chunk_is_star(tmp_prev) - || chunk_is_msref(tmp_prev)) - { - ali = tmp_prev; - tmp_prev = chunk_get_prev(ali); - } - - if (chunk_is_token(tmp_prev, CT_TPAREN_OPEN)) - { - ali = tmp_prev; - tmp_prev = chunk_get_prev(ali); - // this is correct, even Coverity says: - // CID 76021 (#1 of 1): Unused value (UNUSED_VALUE)returned_pointer: Assigning value from - // chunk_get_prev(ali, nav_e::ALL) to prev here, but that stored value is overwritten before it can be used. - } - } - - if (m_amp_style != SS_IGNORE) - { - // back up to the first '&' preceding the token - chunk_t *tmp_prev = chunk_get_prev(ali); - - while (chunk_is_addr(tmp_prev)) - { - ali = tmp_prev; - tmp_prev = chunk_get_prev(ali); - } - } - log_rule_B("align_keep_extra_space"); - - // Tighten down the spacing between ref and start - if (!options::align_keep_extra_space()) - { - size_t tmp_col = ref->column; - chunk_t *tmp = ref; - LOG_FMT(LAS, "AlignStack::%s(%d): tmp_col is %zu\n", - __func__, __LINE__, tmp_col); - - while ( tmp != nullptr - && tmp != start) - { - chunk_t *next = chunk_get_next(tmp); - - if (next != nullptr) - { - LOG_FMT(LAS, "AlignStack::%s(%d): next->orig_line is %zu, orig_col is %zu, text() '%s', level is %zu, type is %s\n", - __func__, __LINE__, next->orig_line, next->orig_col, next->text(), next->level, get_token_name(next->type)); - tmp_col += space_col_align(tmp, next); - LOG_FMT(LAS, "AlignStack::%s(%d): next->column is %zu, level is %zu, tmp_col is %zu\n", - __func__, __LINE__, next->column, next->level, tmp_col); - - if (next->column != tmp_col) - { - LOG_FMT(LAS, "AlignStack::%s(%d): Call align_to_column\n", __func__, __LINE__); - align_to_column(next, tmp_col); - } - } - tmp = next; - } - } - - // Check threshold limits - if ( m_max_col == 0 - || m_thresh == 0 - || ( ((start->column + m_gap) <= (m_thresh + (m_absolute_thresh ? m_min_col : m_max_col))) // don't use subtraction here to prevent underflow - && ( (start->column + m_gap + m_thresh) >= m_max_col // change the expression to mind negative expression - || start->column >= m_min_col))) - { - // we are adding it, so update the newline seqnum - if (seqnum > m_nl_seqnum) - { - m_nl_seqnum = seqnum; - } - // Set the column adjust and gap - size_t col_adj = 0; // Amount the column is shifted for 'dangle' mode - size_t gap = 0; - - if (ref != ali) - { - gap = ali->column - (ref->column + ref->len()); - } - chunk_t *tmp = ali; - - if (chunk_is_token(tmp, CT_TPAREN_OPEN)) - { - tmp = chunk_get_next(tmp); - } - - if ( ( chunk_is_star(tmp) - && m_star_style == SS_DANGLE) - || ( chunk_is_addr(tmp) - && m_amp_style == SS_DANGLE) - || ( chunk_is_nullable(tmp) - && (m_star_style == SS_DANGLE)) - || ( chunk_is_msref(tmp) - && m_star_style == SS_DANGLE)) // TODO: add m_msref_style - { - col_adj = start->column - ali->column; - gap = start->column - (ref->column + ref->len()); - } - // See if this pushes out the max_col - const size_t endcol = ali->column + col_adj - + (gap < m_gap ? m_gap - gap : 0); - - ali->align.col_adj = col_adj; - ali->align.ref = ref; - ali->align.start = start; - m_aligned.Push_Back(ali, seqnum); - m_last_added = 1; - - // Issue #2278 - if (chunk_is_token(ali, CT_PTR_TYPE)) - { - LOG_FMT(LAS, "AlignStack::%s(%d): Add-[%s][%s]: ali->orig_line is %zu, column is %zu, type is %s, level is %zu\n", - __func__, __LINE__, ali->text(), start->text(), ali->orig_line, ali->column, get_token_name(ali->type), ali->level); - } - else - { - LOG_FMT(LAS, "AlignStack::%s(%d): Add-[%s]: ali->orig_line is %zu, column is %zu, type is %s, level is %zu\n", - __func__, __LINE__, ali->text(), ali->orig_line, ali->column, get_token_name(ali->type), ali->level); - } - LOG_FMT(LAS, "AlignStack::%s(%d): ali->align.col_adj is %d, ref '%s', endcol is %zu\n", - __func__, __LINE__, ali->align.col_adj, ref->text(), endcol); - - if (m_min_col > endcol) - { - m_min_col = endcol; - } - - if (endcol > m_max_col) - { - LOG_FMT(LAS, "AlignStack::%s(%d): Add-aligned: seqnum is %zu, m_nl_seqnum is %zu, m_seqnum is %zu\n", - __func__, __LINE__, seqnum, m_nl_seqnum, m_seqnum); - LOG_FMT(LAS, "AlignStack::%s(%d): ali->orig_line is %zu, ali->column is %zu, max_col old is %zu, new is %zu, m_min_col is %zu\n", - __func__, __LINE__, ali->orig_line, ali->column, m_max_col, endcol, m_min_col); - m_max_col = endcol; - - /* - * If there were any entries that were skipped, re-add them as they - * may now be within the threshold - */ - if (!m_skipped.Empty()) - { - ReAddSkipped(); - } - } - else - { - LOG_FMT(LAS, "AlignStack::%s(%d): Add-aligned: seqnum is %zu, m_nl_seqnum is %zu, m_seqnum is %zu\n", - __func__, __LINE__, seqnum, m_nl_seqnum, m_seqnum); - LOG_FMT(LAS, "AlignStack::%s(%d): ali->orig_line is %zu, ali->column is %zu, max_col old is %zu, new is %zu, m_min_col is %zu\n", - __func__, __LINE__, ali->orig_line, ali->column, m_max_col, endcol, m_min_col); - } - } - else - { - // The threshold check failed, so add it to the skipped list - m_skipped.Push_Back(start, seqnum); - m_last_added = 2; - - LOG_FMT(LAS, "AlignStack::Add-skipped [%zu/%zu/%zu]: line %zu, col %zu <= %zu + %zu\n", - seqnum, m_nl_seqnum, m_seqnum, - start->orig_line, start->column, m_max_col, m_thresh); - } - // produces much more log output. Use it only debugging purpose - //WITH_STACKID_DEBUG; -} // AlignStack::Add - - -void AlignStack::NewLines(size_t cnt) -{ - // produces much more log output. Use it only debugging purpose - //WITH_STACKID_DEBUG; - - if (m_aligned.Empty()) - { - //LOG_FMT(LAS, "AlignStack::Newlines(%d): nothing to do, is empty\n", __LINE__); - return; - } - LOG_FMT(LAS, "AlignStack::Newlines(%d): cnt is %zu\n", __LINE__, cnt); - m_seqnum += cnt; - LOG_FMT(LAS, "AlignStack::Newlines(%d): m_seqnum is %zu, m_nl_seqnum is %zu, m_span is %zu\n", - __LINE__, m_seqnum, m_nl_seqnum, m_span); - - if (m_seqnum > (m_nl_seqnum + m_span)) - { - LOG_FMT(LAS, "AlignStack::Newlines(%d): cnt is %zu\n", __LINE__, cnt); - Flush(); - } -} - - -void AlignStack::Flush() -{ - // produces much more log output. Use it only debugging purpose - //WITH_STACKID_DEBUG; - - LOG_FMT(LAS, "AlignStack::%s(%d): Len() is %zu\n", - __func__, __LINE__, Len()); - - if (Len() > 0) - { - LOG_FMT(LAS, " (min is %zu, max is %zu)\n", - m_min_col, m_max_col); - } - - if (Len() == 1) - { - // check if we have *one* typedef in the line - chunk_t *pc = m_aligned.Get(0)->m_pc; - chunk_t *temp = chunk_get_prev_type(pc, CT_TYPEDEF, pc->level); - - if (temp != nullptr) - { - if (pc->orig_line == temp->orig_line) - { - // reset the gap only for *this* stack - m_gap = 1; - } - } - } - m_last_added = 0; - m_max_col = 0; - - // produces much more log output. Use it only debugging purpose - //WITH_STACKID_DEBUG; - LOG_FMT(LAS, "AlignStack::%s(%d): Debug the stack, Len is %zu\n", - __func__, __LINE__, Len()); - - for (size_t idx = 0; idx < Len(); idx++) - { - chunk_t *pc = m_aligned.Get(idx)->m_pc; - LOG_FMT(LAS, "AlignStack::%s(%d): idx is %zu, pc->text() is '%s', pc->align.col_adj is %d\n", - __func__, __LINE__, idx, pc->text(), pc->align.col_adj); - } - - // Recalculate the max_col - it may have shifted since the last Add() - for (size_t idx = 0; idx < Len(); idx++) - { - chunk_t *pc = m_aligned.Get(idx)->m_pc; - - // Set the column adjust and gap - size_t col_adj = 0; - size_t gap = 0; - - if (pc != pc->align.ref) - { - gap = pc->column - (pc->align.ref->column + pc->align.ref->len()); - } - - if (m_star_style == SS_DANGLE) - { - chunk_t *tmp = (chunk_is_token(pc, CT_TPAREN_OPEN)) ? chunk_get_next(pc) : pc; - - if (chunk_is_ptr_operator(tmp)) - { - col_adj = pc->align.start->column - pc->column; - gap = pc->align.start->column - (pc->align.ref->column + pc->align.ref->len()); - } - } - - if (m_right_align) - { - // Adjust the width for signed numbers - if (pc->align.start != nullptr) - { - size_t start_len = pc->align.start->len(); - - if (pc->align.start->type == CT_NEG) - { - chunk_t *next = chunk_get_next(pc->align.start); - - if (chunk_is_token(next, CT_NUMBER)) - { - start_len += next->len(); - } - } - col_adj += start_len; - } - } - pc->align.col_adj = col_adj; - - // See if this pushes out the max_col - const size_t endcol = pc->column + col_adj - + (gap < m_gap ? m_gap - gap : 0); - - if (endcol > m_max_col) - { - m_max_col = endcol; - } - } - - log_rule_B("align_on_tabstop"); - - if ( options::align_on_tabstop() - && Len() > 1) - { - m_max_col = align_tab_column(m_max_col); - } - LOG_FMT(LAS, "AlignStack::%s(%d): Len() is %zu\n", - __func__, __LINE__, Len()); - - const ChunkStack::Entry *ce = nullptr; - - for (size_t idx = 0; idx < Len(); idx++) - { - ce = m_aligned.Get(idx); - LOG_FMT(LAS, "AlignStack::%s(%d): idx is %zu, ce->m_pc->text() is '%s', orig_line is %zu, orig_col is %zu, align.col_adj is %d\n", - __func__, __LINE__, idx, ce->m_pc->text(), ce->m_pc->orig_line, ce->m_pc->orig_col, ce->m_pc->align.col_adj); - } - - for (size_t idx = 0; idx < Len(); idx++) - { - ce = m_aligned.Get(idx); - chunk_t *pc = ce->m_pc; - - const size_t tmp_col = m_max_col - pc->align.col_adj; - - if (idx == 0) - { - if ( m_skip_first - && pc->column != tmp_col) - { - LOG_FMT(LAS, "AlignStack::%s(%d): orig_line is %zu, orig_col is %zu, dropping first item due to skip_first\n", - __func__, __LINE__, pc->orig_line, pc->orig_col); - m_skip_first = false; - m_aligned.Pop_Front(); - Flush(); - m_skip_first = true; - return; - } - chunk_flags_set(pc, PCF_ALIGN_START); - - pc->align.right_align = m_right_align; - pc->align.amp_style = m_amp_style; - pc->align.star_style = m_star_style; - } - pc->align.gap = m_gap; - pc->align.next = m_aligned.GetChunk(idx + 1); - - // Indent the token, taking col_adj into account - LOG_FMT(LAS, "AlignStack::%s(%d): orig_line is %zu, orig_col is %zu, text() '%s', set to col %zu (adj is %d)\n", - __func__, __LINE__, pc->orig_line, pc->orig_col, pc->text(), tmp_col, pc->align.col_adj); - align_to_column(pc, tmp_col); - } - - size_t last_seqnum = 0; - - if (ce != nullptr) - { - last_seqnum = ce->m_seqnum; - //LOG_FMT(LAS, "AlignStack::Flush(%d):m_aligned.Reset()\n", __LINE__); - m_aligned.Reset(); - } - m_min_col = numeric_limits<size_t>::max(); // use unrealistic high numbers - m_max_col = 0; // as start value - - if (m_skipped.Empty()) - { - // Nothing was skipped, sync the sequence numbers - m_nl_seqnum = m_seqnum; - } - else - { - // Remove all items with seqnum < last_seqnum - for (size_t idx = 0; idx < m_skipped.Len(); idx++) - { - if (m_skipped.Get(idx)->m_seqnum < last_seqnum) - { - m_skipped.Zap(idx); - } - } - - m_skipped.Collapse(); - - ReAddSkipped(); // Add all items from the skipped list - } -} // AlignStack::Flush - - -void AlignStack::Reset() -{ - //WITH_STACKID_DEBUG; - //LOG_FMT(LAS, "AlignStack::Reset(%d):m_aligned.Reset()\n", __LINE__); - m_aligned.Reset(); - //LOG_FMT(LAS, "AlignStack::Reset(%d):m_skipped.Reset()\n", __LINE__); - m_skipped.Reset(); -} - - -void AlignStack::End() -{ - //WITH_STACKID_DEBUG; - - if (!m_aligned.Empty()) - { - //LOG_FMT(LAS, "AlignStack::End(%d):\n", __LINE__); - Flush(); - } - //LOG_FMT(LAS, "AlignStack::End(%d):m_aligned.Reset()\n", __LINE__); - m_aligned.Reset(); - //LOG_FMT(LAS, "AlignStack::End(%d):m_skipped.Reset()\n", __LINE__); - m_skipped.Reset(); -} - - -size_t AlignStack::Len() -{ - return(m_aligned.Len()); -} - - -void AlignStack::Debug() -{ - //WITH_STACKID_DEBUG; - - size_t length = Len(); - - if (length > 0) - { - LOG_FMT(LAS, "AlignStack::%s(%d): Debug the stack, Len is %zu\n", - __func__, __LINE__, Len()); - - for (size_t idx = 0; idx < length; idx++) - { - chunk_t *pc = m_aligned.Get(idx)->m_pc; - - if (chunk_is_token(pc, CT_PTR_TYPE)) - { - LOG_FMT(LAS, "AlignStack::%s(%d): idx is %zu, [%s][%s]: orig_line is %zu, orig_col is %zu, type is %s, level is %zu, brace_level is %zu\n", - __func__, __LINE__, idx, pc->text(), pc->next->text(), pc->orig_line, pc->orig_col, get_token_name(pc->type), pc->level, pc->brace_level); - } - else - { - LOG_FMT(LAS, "AlignStack::%s(%d): idx is %zu, [%s]: orig_line is %zu, orig_col is %zu, type is %s, level is %zu, brace_level is %zu\n", - __func__, __LINE__, idx, pc->text(), pc->orig_line, pc->orig_col, get_token_name(pc->type), pc->level, pc->brace_level); - } - } - } -} - - -const char *AlignStack::get_StarStyle_name(StarStyle star_style) -{ - switch (star_style) - { - case StarStyle::SS_IGNORE: - return("SS_IGNORE"); - - case StarStyle::SS_INCLUDE: - return("SS_INCLUDE"); - - case StarStyle::SS_DANGLE: - return("SS_DANGLE"); - } - return("?????"); -} // get_StarStyle_name |