Ejemplo n.º 1
0
void quick_align_again(void)
{
   chunk_t    *pc;
   chunk_t    *tmp;
   AlignStack as;

   LOG_FMT(LALAGAIN, "%s:\n", __func__);
   for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc))
   {
      if ((pc->align.next != NULL) && (pc->flags & PCF_ALIGN_START))
      {
         as.Start(100, 0);
         as.m_right_align = pc->align.right_align;
         as.m_star_style  = (AlignStack::StarStyle)pc->align.star_style;
         as.m_amp_style   = (AlignStack::StarStyle)pc->align.amp_style;
         as.m_gap         = pc->align.gap;

         LOG_FMT(LALAGAIN, "   [%.*s:%d]", pc->len, pc->str, pc->orig_line);
         as.Add(pc->align.start);
         pc->flags |= PCF_WAS_ALIGNED;
         for (tmp = pc->align.next; tmp != NULL; tmp = tmp->align.next)
         {
            tmp->flags |= PCF_WAS_ALIGNED;
            as.Add(tmp->align.start);
            LOG_FMT(LALAGAIN, " => [%.*s:%d]", tmp->len, tmp->str, tmp->orig_line);
         }
         LOG_FMT(LALAGAIN, "\n");
         as.End();
      }
   }
}
Ejemplo n.º 2
0
static chunk_t *align_func_param(chunk_t *start)
{
   AlignStack as;
   chunk_t    *pc = start;

   as.Start(2, 0);

   as.m_star_style = (AlignStack::StarStyle)cpd.settings[UO_align_var_def_star_style].n;
   as.m_amp_style  = (AlignStack::StarStyle)cpd.settings[UO_align_var_def_amp_style].n;

   bool did_this_line = false;
   int  comma_count   = 0;
   int  chunk_count   = 0;

   while ((pc = chunk_get_next(pc)) != NULL)
   {
      chunk_count++;
      if (chunk_is_newline(pc))
      {
         did_this_line = false;
         comma_count   = 0;
         chunk_count   = 0;
      }
      else if (pc->level <= start->level)
      {
         break;
      }
      else if (!did_this_line && (pc->flags & PCF_VAR_DEF))
      {
         if (chunk_count > 1)
         {
            as.Add(pc);
         }
         did_this_line = true;
      }
      else if (comma_count > 0)
      {
         if (!chunk_is_comment(pc))
         {
            comma_count = 2;
            break;
         }
      }
      else if (pc->type == CT_COMMA)
      {
         comma_count++;
      }
   }

   if (comma_count <= 1)
   {
      as.End();
   }

   return(pc);
}
Ejemplo n.º 3
0
/**
 * Aligns an OC message
 *
 * @param so   the square open of the message
 * @param span the span value
 */
static void align_oc_msg_colon(chunk_t *so)
{
   int        span = cpd.settings[UO_align_oc_msg_colon_span].n;
   chunk_t    *pc;
   chunk_t    *tmp;
   AlignStack cas;   /* for the colons */
   AlignStack nas;   /* for the parameter tag */
   int        level;
   bool       did_line;
   int        lcnt;  /* line count with no colon for span */
   bool       has_colon;


   nas.Reset();
   nas.m_right_align = true;

   cas.Start(span);

   level = so->level;
   pc    = chunk_get_next_ncnl(so, CNAV_PREPROC);

   did_line  = false;
   has_colon = false;
   lcnt      = 0;

   while ((pc != NULL) && (pc->level > level))
   {
      if (pc->level > (level + 1))
      {
         /* do nothing */
      }
      else if (chunk_is_newline(pc))
      {
         if (!has_colon)
         {
            ++lcnt;
         }
         did_line  = false;
         has_colon = !has_colon;
      }
      else if (!did_line && (lcnt - 1 < span) && (pc->type == CT_OC_COLON))
      {
         has_colon = true;
         cas.Add(pc);
         tmp = chunk_get_prev(pc);
         if ((tmp != NULL) &&
             ((tmp->type == CT_OC_MSG_FUNC) ||
              (tmp->type == CT_OC_MSG_NAME)))
         {
            nas.Add(tmp);
         }
         did_line = true;
      }
      pc = chunk_get_next(pc, CNAV_PREPROC);
   }
   nas.End();
   cas.End();
}
Ejemplo n.º 4
0
/**
 * Aligns simple typedefs that are contained on a single line each.
 * This should be called after the typedef target is marked as a type.
 *
 * Won't align function typedefs.
 *
 * typedef int        foo_t;
 * typedef char       bar_t;
 * typedef const char cc_t;
 */
static void align_typedefs(int span)
{
   chunk_t    *pc;
   chunk_t    *c_type    = NULL;
   chunk_t    *c_typedef = NULL;
   AlignStack as;

   as.Start(span);
   as.m_gap        = cpd.settings[UO_align_typedef_gap].n;
   as.m_star_style = (AlignStack::StarStyle)cpd.settings[UO_align_typedef_star_style].n;
   as.m_amp_style  = (AlignStack::StarStyle)cpd.settings[UO_align_typedef_amp_style].n;

   pc = chunk_get_head();
   while (pc != NULL)
   {
      if (chunk_is_newline(pc))
      {
         as.NewLines(pc->nl_count);
         c_typedef = NULL;
      }
      else if (c_typedef != NULL)
      {
         if (pc->flags & PCF_ANCHOR)
         {
            as.Add(pc);
            c_typedef = NULL;
         }
      }
      else
      {
         if (pc->type == CT_TYPEDEF)
         {
            LOG_FMT(LALTD, "%s: line %d, col %d\n",
                    __func__, pc->orig_line, pc->orig_col);
            c_typedef = pc;
            c_type    = NULL;
         }
      }

      pc = chunk_get_next(pc);
   }

   as.End();
}
Ejemplo n.º 5
0
/**
 * Aligns all function prototypes in the file.
 */
static void align_oc_msg_spec(int span)
{
   chunk_t    *pc;
   AlignStack as;

   LOG_FMT(LALIGN, "%s\n", __func__);
   as.Start(span, 0);

   for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc))
   {
      if (chunk_is_newline(pc))
      {
         as.NewLines(pc->nl_count);
      }
      else if (pc->type == CT_OC_MSG_SPEC)
      {
         as.Add(pc);
      }
   }
   as.End();
}
Ejemplo n.º 6
0
/**
 * Align '<<' (CT_ARITH?)
 */
static void align_left_shift(void)
{
   chunk_t    *pc;
   chunk_t    *start = NULL;
   AlignStack as;

   as.Start(2);

   pc = chunk_get_head();
   while (pc != NULL)
   {
      if (chunk_is_newline(pc))
      {
         as.NewLines(pc->nl_count);
      }
      else if ((start != NULL) && (pc->level < start->level))
      {
         /* A drop in level restarts the aligning */
         as.Flush();
         start = NULL;
      }
      else if ((start != NULL) && (pc->level > start->level))
      {
         /* Ignore any deeper levels when aligning */
      }
      else if (pc->type == CT_SEMICOLON)
      {
         /* A semicolon at the same level flushes */
         as.Flush();
         start = NULL;
      }
      else if (chunk_is_str(pc, "<<", 2))
      {
         if (as.m_aligned.Empty())
         {
            /* first one can be anywhere */
            as.Add(pc);
            start = pc;
         }
         else if (chunk_is_newline(chunk_get_prev(pc)))
         {
            /* subsequent ones must be after a newline */
            as.Add(pc);
         }
      }

      pc = chunk_get_next(pc);
   }
   as.End();
}
Ejemplo n.º 7
0
/**
 * Aligns all function prototypes in the file.
 */
static void align_func_proto(int span)
{
   chunk_t    *pc;
   bool       look_bro = false;
   AlignStack as;
   AlignStack as_br;

   LOG_FMT(LALIGN, "%s\n", __func__);
   as.Start(span, 0);
   as.m_gap = cpd.settings[UO_align_func_proto_gap].n;

   as_br.Start(span, 0);
   as_br.m_gap = cpd.settings[UO_align_single_line_brace_gap].n;

   for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc))
   {
      if (chunk_is_newline(pc))
      {
         look_bro = false;
         as.NewLines(pc->nl_count);
         as_br.NewLines(pc->nl_count);
      }
      else if ((pc->type == CT_FUNC_PROTO) ||
               ((pc->type == CT_FUNC_DEF) &&
                cpd.settings[UO_align_single_line_func].b))
      {
         if ((pc->parent_type == CT_OPERATOR) &&
             cpd.settings[UO_align_on_operator].b)
         {
            as.Add(chunk_get_prev_ncnl(pc));
         }
         else
         {
            as.Add(pc);
         }
         look_bro = (pc->type == CT_FUNC_DEF) &&
                    cpd.settings[UO_align_single_line_brace].b;
      }
      else if (look_bro &&
               (pc->type == CT_BRACE_OPEN) &&
               (pc->flags & PCF_ONE_LINER))
      {
         as_br.Add(pc);
         look_bro = false;
      }
   }
   as.End();
   as_br.End();
}
Ejemplo n.º 8
0
/**
 * Scan everything at the current level until the close brace and find the
 * variable def align column.  Also aligns bit-colons, but that assumes that
 * bit-types are the same! But that should always be the case...
 */
static chunk_t *align_var_def_brace(chunk_t *start, int span, int *p_nl_count)
{
   chunk_t    *pc;
   chunk_t    *next;
   chunk_t    *prev;
   UINT64     align_mask = PCF_IN_FCN_DEF | PCF_VAR_1ST;
   int        myspan     = span;
   int        mythresh   = 0;
   int        mygap      = 0;
   AlignStack as;    /* var/proto/def */
   AlignStack as_bc; /* bit-colon */
   AlignStack as_at; /* attribute */
   AlignStack as_br; /* one-liner brace open */
   bool       fp_active   = cpd.settings[UO_align_mix_var_proto].b;
   bool       fp_look_bro = false;


   if (start == NULL)
   {
      return(NULL);
   }

   /* Override the span, if this is a struct/union */
   if ((start->parent_type == CT_STRUCT) ||
       (start->parent_type == CT_UNION))
   {
      myspan   = cpd.settings[UO_align_var_struct_span].n;
      mythresh = cpd.settings[UO_align_var_struct_thresh].n;
      mygap    = cpd.settings[UO_align_var_struct_gap].n;
   }
   else
   {
      mythresh = cpd.settings[UO_align_var_def_thresh].n;
      mygap    = cpd.settings[UO_align_var_def_gap].n;
   }

   /* can't be any variable definitions in a "= {" block */
   prev = chunk_get_prev_ncnl(start);
   if ((prev != NULL) && (prev->type == CT_ASSIGN))
   {
      LOG_FMT(LAVDB, "%s: start=%.*s [%s] on line %d (abort due to assign)\n", __func__,
              start->len, start->str, get_token_name(start->type), start->orig_line);

      pc = chunk_get_next_type(start, CT_BRACE_CLOSE, start->level);
      return(chunk_get_next_ncnl(pc));
   }

   LOG_FMT(LAVDB, "%s: start=%.*s [%s] on line %d\n", __func__,
           start->len, start->str, get_token_name(start->type), start->orig_line);

   if (!cpd.settings[UO_align_var_def_inline].b)
   {
      align_mask |= PCF_VAR_INLINE;
   }

   /* Set up the var/proto/def aligner */
   as.Start(myspan, mythresh);
   as.m_gap        = mygap;
   as.m_star_style = (AlignStack::StarStyle)cpd.settings[UO_align_var_def_star_style].n;
   as.m_amp_style  = (AlignStack::StarStyle)cpd.settings[UO_align_var_def_amp_style].n;

   /* Set up the bit colon aligner */
   as_bc.Start(myspan, 0);
   as_bc.m_gap = cpd.settings[UO_align_var_def_colon_gap].n;

   as_at.Start(myspan, 0);

   /* Set up the brace open aligner */
   as_br.Start(myspan, mythresh);
   as_br.m_gap = cpd.settings[UO_align_single_line_brace_gap].n;

   bool did_this_line = false;
   pc = chunk_get_next(start);
   while ((pc != NULL) && ((pc->level >= start->level) || (pc->level == 0)))
   {
      if (chunk_is_comment(pc))
      {
         if (pc->nl_count > 0)
         {
            as.NewLines(pc->nl_count);
            as_bc.NewLines(pc->nl_count);
            as_at.NewLines(pc->nl_count);
            as_br.NewLines(pc->nl_count);
         }
         pc = chunk_get_next(pc);
         continue;
      }

      if (fp_active)
      {
         if ((pc->type == CT_FUNC_PROTO) ||
             ((pc->type == CT_FUNC_DEF) &&
              cpd.settings[UO_align_single_line_func].b))
         {
            LOG_FMT(LAVDB, "    add=[%.*s] line=%d col=%d level=%d\n",
                    pc->len, pc->str, pc->orig_line, pc->orig_col, pc->level);

            as.Add(pc);
            fp_look_bro = (pc->type == CT_FUNC_DEF) &&
                          cpd.settings[UO_align_single_line_brace].b;
         }
         else if (fp_look_bro &&
                  (pc->type == CT_BRACE_OPEN) &&
                  (pc->flags & PCF_ONE_LINER))
         {
            as_br.Add(pc);
            fp_look_bro = false;
         }
      }

      /* process nested braces */
      if (pc->type == CT_BRACE_OPEN)
      {
         int sub_nl_count = 0;

         pc = align_var_def_brace(pc, span, &sub_nl_count);
         if (sub_nl_count > 0)
         {
            fp_look_bro   = false;
            did_this_line = false;
            as.NewLines(sub_nl_count);
            as_bc.NewLines(sub_nl_count);
            as_at.NewLines(sub_nl_count);
            as_br.NewLines(sub_nl_count);
            if (p_nl_count != NULL)
            {
               *p_nl_count += sub_nl_count;
            }
         }
         continue;
      }

      /* Done with this brace set? */
      if (pc->type == CT_BRACE_CLOSE)
      {
         pc = chunk_get_next(pc);
         break;
      }

      if (chunk_is_newline(pc))
      {
         fp_look_bro   = false;
         did_this_line = false;
         as.NewLines(pc->nl_count);
         as_bc.NewLines(pc->nl_count);
         as_at.NewLines(pc->nl_count);
         as_br.NewLines(pc->nl_count);
         if (p_nl_count != NULL)
         {
            *p_nl_count += pc->nl_count;
         }
      }

      /* don't align stuff inside parens/squares/angles */
      if (pc->level > pc->brace_level)
      {
         pc = chunk_get_next(pc);
         continue;
      }

      /* If this is a variable def, update the max_col */
      if ((pc->type != CT_FUNC_CLASS) &&
          ((pc->flags & align_mask) == PCF_VAR_1ST) &&
          ((pc->level == (start->level + 1)) ||
           (pc->level == 0)))
      {
         if (!did_this_line)
         {
            LOG_FMT(LAVDB, "    add=[%.*s] line=%d col=%d level=%d\n",
                    pc->len, pc->str, pc->orig_line, pc->orig_col, pc->level);

            as.Add(pc);

            if (cpd.settings[UO_align_var_def_colon].b)
            {
               next = chunk_get_next_nc(pc);
               if (next->type == CT_BIT_COLON)
               {
                  as_bc.Add(next);
               }
            }
            if (cpd.settings[UO_align_var_def_attribute].b)
            {
               next = pc;
               while ((next = chunk_get_next_nc(next)) != NULL)
               {
                  if (next->type == CT_ATTRIBUTE)
                  {
                     as_at.Add(next);
                     break;
                  }
                  if ((next->type == CT_SEMICOLON) || chunk_is_newline(next))
                  {
                     break;
                  }
               }
            }
         }
         did_this_line = true;
      }
      else if (pc->type == CT_BIT_COLON)
      {
         if (!did_this_line)
         {
            as_bc.Add(pc);
            did_this_line = true;
         }
      }
      pc = chunk_get_next(pc);
   }

   as.End();
   as_bc.End();
   as_at.End();
   as_br.End();

   return(pc);
}
Ejemplo n.º 9
0
/**
 * Aligns all assignment operators on the same level as first, starting with
 * first.
 *
 * For variable definitions, only consider the '=' for the first variable.
 * Otherwise, only look at the first '=' on the line.
 */
chunk_t *align_assign(chunk_t *first, int span, int thresh)
{
   int     my_level;
   chunk_t *pc;
   int     tmp;
   int     var_def_cnt = 0;
   int     equ_count   = 0;

   if (first == NULL)
   {
      return(NULL);
   }
   my_level = first->level;

   if (span <= 0)
   {
      return(chunk_get_next(first));
   }

   LOG_FMT(LALASS, "%s[%d]: checking %.*s on line %d - span=%d thresh=%d\n",
           __func__, my_level, first->len, first->str, first->orig_line,
           span, thresh);

   AlignStack as;    // regular assigns
   AlignStack vdas;  // variable def assigns

   as.Start(span, thresh);
   as.m_right_align = true;
   vdas.Start(span, thresh);
   vdas.m_right_align = true;

   pc = first;
   while ((pc != NULL) && ((pc->level >= my_level) || (pc->level == 0)))
   {
      /* Don't check inside PAREN or SQUARE groups */
      if ((pc->type == CT_SPAREN_OPEN) ||
          (pc->type == CT_FPAREN_OPEN) ||
          (pc->type == CT_SQUARE_OPEN) ||
          (pc->type == CT_PAREN_OPEN))
      {
         tmp = pc->orig_line;
         pc  = chunk_skip_to_match(pc);
         if (pc != NULL)
         {
            as.NewLines(pc->orig_line - tmp);
            vdas.NewLines(pc->orig_line - tmp);
         }
         continue;
      }

      /* Recurse if a brace set is found */
      if ((pc->type == CT_BRACE_OPEN) ||
          (pc->type == CT_VBRACE_OPEN))
      {
         int myspan;
         int mythresh;

         tmp = pc->orig_line;

         if (pc->parent_type == CT_ENUM)
         {
            myspan   = cpd.settings[UO_align_enum_equ_span].n;
            mythresh = cpd.settings[UO_align_enum_equ_thresh].n;
         }
         else
         {
            myspan   = cpd.settings[UO_align_assign_span].n;
            mythresh = cpd.settings[UO_align_assign_thresh].n;
         }

         pc = align_assign(chunk_get_next_ncnl(pc), myspan, mythresh);
         if (pc != NULL)
         {
            /* do a rough count of the number of lines just spanned */
            as.NewLines(pc->orig_line - tmp);
            vdas.NewLines(pc->orig_line - tmp);
         }
         continue;
      }

      if (chunk_is_newline(pc))
      {
         as.NewLines(pc->nl_count);
         vdas.NewLines(pc->nl_count);

         var_def_cnt = 0;
         equ_count   = 0;
      }
      else if ((pc->flags & PCF_VAR_DEF) != 0)
      {
         var_def_cnt++;
      }
      else if (var_def_cnt > 1)
      {
         /* we hit the second variable def - don't look for assigns */
      }
      else if ((equ_count == 0) && (pc->type == CT_ASSIGN))
      {
         //fprintf(stderr, "%s:  ** %s level=%d line=%d col=%d prev=%d count=%d\n",
         //        __func__, pc->str, pc->level, pc->orig_line, pc->orig_col, prev_equ_type,
         //        equ_count);

         equ_count++;
         if (var_def_cnt != 0)
         {
            vdas.Add(pc);
         }
         else
         {
            as.Add(pc);
         }
      }

      pc = chunk_get_next(pc);
   }

   as.End();
   vdas.End();

   if (pc != NULL)
   {
      LOG_FMT(LALASS, "%s: done on %.*s on line %d\n",
              __func__, pc->len, pc->str, pc->orig_line);
   }
   else
   {
      LOG_FMT(LALASS, "%s: done on NULL\n", __func__);
   }

   return(pc);
}
Ejemplo n.º 10
0
/**
 * Scans the whole file for #defines. Aligns all within X lines of each other
 */
void align_preprocessor(void)
{
   chunk_t    *pc;
   AlignStack as;    // value macros
   AlignStack asf;   // function macros
   AlignStack *cur_as = &as;

   as.Start(cpd.settings[UO_align_pp_define_span].n);
   as.m_gap = cpd.settings[UO_align_pp_define_gap].n;

   asf.Start(cpd.settings[UO_align_pp_define_span].n);
   asf.m_gap = cpd.settings[UO_align_pp_define_gap].n;

   pc = chunk_get_head();
   while (pc != NULL)
   {
      /* Note: not counting back-slash newline combos */
      if (pc->type == CT_NEWLINE)
      {
         as.NewLines(pc->nl_count);
         asf.NewLines(pc->nl_count);
      }

      /* If we aren't on a 'define', then skip to the next non-comment */
      if (pc->type != CT_PP_DEFINE)
      {
         pc = chunk_get_next_nc(pc);
         continue;
      }

      /* step past the 'define' */
      pc = chunk_get_next_nc(pc);
      if (pc == NULL)
      {
         break;
      }

      LOG_FMT(LALPP, "%s: define (%.*s) on line %d col %d\n",
              __func__, pc->len, pc->str, pc->orig_line, pc->orig_col);

      cur_as = &as;
      if (pc->type == CT_MACRO_FUNC)
      {
         cur_as = &asf;

         /* Skip to the close paren */
         pc = chunk_get_next_nc(pc); // point to open (
         pc = chunk_get_next_type(pc, CT_FPAREN_CLOSE, pc->level);

         LOG_FMT(LALPP, "%s: jumped to (%.*s) on line %d col %d\n",
                 __func__, pc->len, pc->str, pc->orig_line, pc->orig_col);
      }

      /* step to the value past the close paren or the macro name */
      pc = chunk_get_next(pc);
      if (pc == NULL)
      {
         break;
      }

      /* don't align anything if the first line ends with a newline before
       * a value is given */
      if (!chunk_is_newline(pc))
      {
         LOG_FMT(LALPP, "%s: align on '%.*s', line %d col %d\n",
                 __func__, pc->len, pc->str, pc->orig_line, pc->orig_col);

         cur_as->Add(pc);
      }
   }

   as.End();
   asf.End();
}
Ejemplo n.º 11
0
/**
 * Aligns OC declarations on the colon
 * -(void) doSomething: (NSString*) param1
 *                with: (NSString*) param2
 */
static void align_oc_decl_colon(void)
{
   chunk_t    *pc = chunk_get_head();
   chunk_t    *tmp;
   chunk_t    *tmp2;
   AlignStack cas;   /* for the colons */
   AlignStack nas;   /* for the parameter label */
   int        level;
   bool       did_line;

   cas.Start(4);
   nas.Start(4);
   nas.m_right_align = true;

   while (pc != NULL)
   {
      if (pc->type != CT_OC_SCOPE)
      {
         pc = chunk_get_next(pc);
         continue;
      }

      nas.Reset();
      cas.Reset();

      level = pc->level;
      pc    = chunk_get_next_ncnl(pc, CNAV_PREPROC);

      did_line = false;

      while ((pc != NULL) && (pc->level >= level))
      {
         /* The decl ends with an open brace or semicolon */
         if ((pc->type == CT_BRACE_OPEN) || chunk_is_semicolon(pc))
         {
            break;
         }

         if (chunk_is_newline(pc))
         {
            nas.NewLines(pc->nl_count);
            cas.NewLines(pc->nl_count);
            did_line  = false;
         }
         else if (!did_line && (pc->type == CT_OC_COLON))
         {
            cas.Add(pc);

            tmp = chunk_get_prev(pc, CNAV_PREPROC);
            tmp2 = chunk_get_prev_ncnl(tmp, CNAV_PREPROC);

            /* Check for an un-labeled parameter */
            if ((tmp != NULL) &&
                (tmp2 != NULL)
                &&
                ((tmp->type == CT_WORD) ||
                 (tmp->type == CT_TYPE) ||
                 (tmp->type == CT_OC_MSG_DECL))
                &&
                ((tmp2->type == CT_WORD) ||
                 (tmp2->type == CT_TYPE) ||
                 (tmp2->type == CT_PAREN_CLOSE)))
            {
               nas.Add(tmp);
            }
            did_line = true;
         }
         pc = chunk_get_next(pc, CNAV_PREPROC);
      }
      nas.End();
      cas.End();
   }
}
Ejemplo n.º 12
0
chunk_t *align_func_param(chunk_t *start)
{
   LOG_FUNC_ENTRY();

   // Defaults, if the align_func_params = true
   size_t myspan   = 2;
   size_t mythresh = 0;
   size_t mygap    = 0;
   // Override, if the align_func_params_span > 0
   if (options::align_func_params_span() > 0)
   {
      myspan   = options::align_func_params_span();
      mythresh = options::align_func_params_thresh();
      mygap    = options::align_func_params_gap();
   }

   AlignStack as;
   as.Start(myspan, mythresh);
   as.m_gap        = mygap;
   as.m_star_style = static_cast<AlignStack::StarStyle>(options::align_var_def_star_style());
   as.m_amp_style  = static_cast<AlignStack::StarStyle>(options::align_var_def_amp_style());

   bool    did_this_line = false;
   size_t  comma_count   = 0;
   size_t  chunk_count   = 0;

   chunk_t *pc = start;
   while ((pc = chunk_get_next(pc)) != nullptr)
   {
      chunk_count++;
      if (chunk_is_newline(pc))
      {
         did_this_line = false;
         comma_count   = 0;
         chunk_count   = 0;
         as.NewLines(pc->nl_count);
      }
      else if (pc->level <= start->level)
      {
         break;
      }
      else if (!did_this_line && (pc->flags & PCF_VAR_DEF))
      {
         if (chunk_count > 1)
         {
            as.Add(pc);
         }
         did_this_line = true;
      }
      else if (comma_count > 0)
      {
         if (!chunk_is_comment(pc))
         {
            comma_count = 2;
            break;
         }
      }
      else if (chunk_is_token(pc, CT_COMMA))
      {
         chunk_t *tmp_prev = chunk_get_prev_nc(pc);
         if (!chunk_is_newline(tmp_prev))  // don't count leading commas
         {
            comma_count++;
         }
      }
   }

   if (comma_count <= 1)
   {
      as.End();
   }

   return(pc);
} // align_func_param