Esempio n. 1
0
/**
 * Scans a line for stuff to align on.
 *
 * We trigger on BRACE_OPEN, FPAREN_OPEN, ASSIGN, and COMMA.
 * We want to align the NEXT item.
 */
static chunk_t *scan_ib_line(chunk_t *start, bool first_pass)
{
   chunk_t *pc;
   chunk_t *next;
   chunk_t *prev_match = NULL;
   int     token_width;
   int     idx = 0;
   bool    last_was_comment = false;

   /* Skip past C99 "[xx] =" stuff */
   if (start->type == CT_SQUARE_OPEN)
   {
      start->parent_type = CT_TSQUARE;
      start            = chunk_get_next_type(start, CT_ASSIGN, start->level);
      start            = chunk_get_next_ncnl(start);
      cpd.al_c99_array = true;
   }
   pc = start;

   if (pc != NULL)
   {
      LOG_FMT(LSIB, "%s: start=%s col %d/%d line %d\n", __func__,
              get_token_name(pc->type), pc->column, pc->orig_col, pc->orig_line);
   }

   while ((pc != NULL) && !chunk_is_newline(pc) &&
          (pc->level >= start->level))
   {
      //LOG_FMT(LSIB, "%s:     '%.*s'   col %d/%d line %d\n", __func__,
      //        pc->len, pc->str, pc->column, pc->orig_col, pc->orig_line);

      next = chunk_get_next(pc);
      if ((next == NULL) || chunk_is_comment(next))
      {
         /* do nothing */
      }
      else if ((pc->type == CT_ASSIGN) ||
               (pc->type == CT_BRACE_OPEN) ||
               (pc->type == CT_BRACE_CLOSE) ||
               (pc->type == CT_COMMA))
      {
         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)
         {
            LOG_FMT(LSIB, " - New   [%d] %.2d/%d - %10.10s\n", idx,
                    pc->column, 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++;
            idx++;
            last_was_comment = false;
         }
         else
         {
            /* expect to match stuff */
            if (cpd.al[idx].type == pc->type)
            {
               LOG_FMT(LSIB, " - Match [%d] %.2d/%d - %10.10s", idx,
                       pc->column, token_width, get_token_name(pc->type));

               /* Shift out based on column */
               if (prev_match == NULL)
               {
                  if (pc->column > cpd.al[idx].col)
                  {
                     LOG_FMT(LSIB, " [ pc->col(%d) > col(%d) ] ",
                             pc->column, cpd.al[idx].col);

                     ib_shift_out(idx, pc->column - cpd.al[idx].col);
                     cpd.al[idx].col = pc->column;
                  }
               }
               else if (idx > 0)
               {
                  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, " [ min_col_diff(%d) > cur_col_diff(%d) ] ",
                             min_col_diff, cur_col_diff);
                     ib_shift_out(idx, min_col_diff - cur_col_diff);
                  }
               }
               LOG_FMT(LSIB, " - now col %d, len %d\n", cpd.al[idx].col, cpd.al[idx].len);
               idx++;
            }
         }
         prev_match = pc;
      }
      last_was_comment = chunk_is_comment(pc);
      pc = chunk_get_next_nc(pc);
   }

   //if (last_was_comment && (cpd.al[cpd.al_cnt - 1].type == CT_COMMA))
   //{
   //   cpd.al_cnt--;
   //}
   return(pc);
}
/**
 * This function parses or tokenizes the whole buffer into a list.
 * It has to do some tricks to parse preprocessors.
 *
 * If output_text() were called immediately after, two things would happen:
 *  - trailing whitespace are removed.
 *  - leading space & tabs are converted to the appropriate format.
 *
 * All the tokens are inserted before ref. If ref is NULL, they are inserted
 * at the end of the list.  Line numbers are relative to the start of the data.
 */
void tokenize(const deque<int>& data, chunk_t *ref)
{
   tok_ctx            ctx(data);
   chunk_t            chunk;
   chunk_t            *pc    = NULL;
   chunk_t            *rprev = NULL;
   struct parse_frame frm;
   bool               last_was_tab = false;
   int                prev_sp      = 0;

   memset(&frm, 0, sizeof(frm));

   while (ctx.more())
   {
      chunk.reset();
      if (!parse_next(ctx, chunk))
      {
         LOG_FMT(LERR, "%s:%d Bailed before the end?\n",
                 cpd.filename, ctx.c.row);
         cpd.error_count++;
         break;
      }

      /* Don't create an entry for whitespace */
      if (chunk.type == CT_WHITESPACE)
      {
         last_was_tab = chunk.after_tab;
         prev_sp      = chunk.orig_prev_sp;
         continue;
      }
      chunk.orig_prev_sp = prev_sp;
      prev_sp            = 0;

      if (chunk.type == CT_NEWLINE)
      {
         last_was_tab    = chunk.after_tab;
         chunk.after_tab = false;
         chunk.str.clear();
      }
      else if (chunk.type == CT_NL_CONT)
      {
         last_was_tab    = chunk.after_tab;
         chunk.after_tab = false;
         chunk.str       = "\\\n";
      }
      else
      {
         chunk.after_tab = last_was_tab;
         last_was_tab    = false;
      }

      /* Strip trailing whitespace (for CPP comments and PP blocks) */
      while ((chunk.str.size() > 0) &&
             ((chunk.str[chunk.str.size() - 1] == ' ') ||
              (chunk.str[chunk.str.size() - 1] == '\t')))
      {
         // If comment contains backslash '\' followed by whitespace chars, keep last one;
         // this will prevent it from turning '\' into line continuation.
         if ((chunk.str.size() > 1) && (chunk.str[chunk.str.size() - 2] == '\\'))
         {
            break;
         }
         chunk.str.pop_back();
      }

      /* Store off the end column */
      chunk.orig_col_end = ctx.c.col;

      /* Add the chunk to the list */
      rprev = pc;
      if (rprev != NULL)
      {
         pc->flags |= rprev->flags & PCF_COPY_FLAGS;

         /* a newline can't be in a preprocessor */
         if (pc->type == CT_NEWLINE)
         {
            pc->flags &= ~PCF_IN_PREPROC;
         }
      }
      if (ref != NULL)
      {
         chunk.flags |= PCF_INSERTED;
      }
      else
      {
         chunk.flags &= ~PCF_INSERTED;
      }
      pc = chunk_add_before(&chunk, ref);

      /* A newline marks the end of a preprocessor */
      if (pc->type == CT_NEWLINE) // || (pc->type == CT_COMMENT_MULTI))
      {
         cpd.in_preproc         = CT_NONE;
         cpd.preproc_ncnl_count = 0;
      }

      /* Special handling for preprocessor stuff */
      if (cpd.in_preproc != CT_NONE)
      {
         pc->flags |= PCF_IN_PREPROC;

         /* Count words after the preprocessor */
         if (!chunk_is_comment(pc) && !chunk_is_newline(pc))
         {
            cpd.preproc_ncnl_count++;
         }

         /* Figure out the type of preprocessor for #include parsing */
         if (cpd.in_preproc == CT_PREPROC)
         {
            if ((pc->type < CT_PP_DEFINE) || (pc->type > CT_PP_OTHER))
            {
               set_chunk_type(pc, CT_PP_OTHER);
            }
            cpd.in_preproc = pc->type;
         }
      }
      else
      {
         /* Check for a preprocessor start */
         if ((pc->type == CT_POUND) &&
             ((rprev == NULL) || (rprev->type == CT_NEWLINE)))
         {
            set_chunk_type(pc, CT_PREPROC);
            pc->flags     |= PCF_IN_PREPROC;
            cpd.in_preproc = CT_PREPROC;
         }
      }
   }

   /* Set the cpd.newline string for this file */
   if ((cpd.settings[UO_newlines].le == LE_LF) ||
       ((cpd.settings[UO_newlines].le == LE_AUTO) &&
        (cpd.le_counts[LE_LF] >= cpd.le_counts[LE_CRLF]) &&
        (cpd.le_counts[LE_LF] >= cpd.le_counts[LE_CR])))
   {
      /* LF line ends */
      cpd.newline = "\n";
      LOG_FMT(LLINEENDS, "Using LF line endings\n");
   }
   else if ((cpd.settings[UO_newlines].le == LE_CRLF) ||
            ((cpd.settings[UO_newlines].le == LE_AUTO) &&
             (cpd.le_counts[LE_CRLF] >= cpd.le_counts[LE_LF]) &&
             (cpd.le_counts[LE_CRLF] >= cpd.le_counts[LE_CR])))
   {
      /* CRLF line ends */
      cpd.newline = "\r\n";
      LOG_FMT(LLINEENDS, "Using CRLF line endings\n");
   }
   else
   {
      /* CR line ends */
      cpd.newline = "\r";
      LOG_FMT(LLINEENDS, "Using CR line endings\n");
   }
}
Esempio n. 3
0
/**
 * Checks the progression of complex statements.
 * - checks for else after if
 * - checks for if after else
 * - checks for while after do
 * - checks for open brace in BRACE2 and BRACE_DO stages, inserts open VBRACE
 * - checks for open paren in PAREN1 and PAREN2 stages, complains
 *
 * @param frm  The parse frame
 * @param pc   The current chunk
 * @return     true - done with this chunk, false - keep processing
 */
static bool check_complex_statements(struct parse_frame *frm, chunk_t *pc)
{
   c_token_t parent;
   chunk_t   *vbrace;

   /* Turn an optional paren into either a real paren or a brace */
   if (frm->pse[frm->pse_tos].stage == BS_OP_PAREN1)
   {
      frm->pse[frm->pse_tos].stage = (pc->type != CT_PAREN_OPEN) ? BS_BRACE2 : BS_PAREN1;
   }

   /* Check for CT_ELSE after CT_IF */
   while (frm->pse[frm->pse_tos].stage == BS_ELSE)
   {
      if (pc->type == CT_ELSE)
      {
         /* Replace CT_IF with CT_ELSE on the stack & we are done */
         frm->pse[frm->pse_tos].type  = CT_ELSE;
         frm->pse[frm->pse_tos].stage = BS_ELSEIF;
         print_stack(LBCSSWAP, "=Swap   ", frm, pc);
         return(true);
      }

      /* Remove the CT_IF and close the statement */
      frm->pse_tos--;
      print_stack(LBCSPOP, "-IF-CCS ", frm, pc);
      if (close_statement(frm, pc))
      {
         return(true);
      }
   }

   /* Check for CT_IF after CT_ELSE */
   if (frm->pse[frm->pse_tos].stage == BS_ELSEIF)
   {
      if (pc->type == CT_IF)
      {
         if (!cpd.settings[UO_indent_else_if].b ||
             !chunk_is_newline(chunk_get_prev_nc(pc)))
         {
            /* Replace CT_ELSE with CT_IF */
            pc->type = CT_ELSEIF;
            frm->pse[frm->pse_tos].type  = CT_ELSEIF;
            frm->pse[frm->pse_tos].stage = BS_PAREN1;
            return(true);
         }
      }

      /* Jump to the 'expecting brace' stage */
      frm->pse[frm->pse_tos].stage = BS_BRACE2;
   }

   /* Check for CT_CATCH or CT_FINALLY after CT_TRY or CT_CATCH */
   while (frm->pse[frm->pse_tos].stage == BS_CATCH)
   {
      if ((pc->type == CT_CATCH) || (pc->type == CT_FINALLY))
      {
         /* Replace CT_TRY with CT_CATCH on the stack & we are done */
         frm->pse[frm->pse_tos].type  = pc->type;
         frm->pse[frm->pse_tos].stage = (pc->type == CT_CATCH) ? BS_OP_PAREN1 : BS_BRACE2;
         print_stack(LBCSSWAP, "=Swap   ", frm, pc);
         return(true);
      }

      /* Remove the CT_TRY and close the statement */
      frm->pse_tos--;
      print_stack(LBCSPOP, "-TRY-CCS ", frm, pc);
      if (close_statement(frm, pc))
      {
         return(true);
      }
   }

   /* Check for CT_WHILE after the CT_DO */
   if (frm->pse[frm->pse_tos].stage == BS_WHILE)
   {
      if (pc->type == CT_WHILE)
      {
         pc->type = CT_WHILE_OF_DO;
         frm->pse[frm->pse_tos].type  = CT_WHILE_OF_DO; //CT_WHILE;
         frm->pse[frm->pse_tos].stage = BS_WOD_PAREN;
         return(true);
      }

      LOG_FMT(LWARN, "%s:%d Error: Expected 'while', got '%s'\n",
              cpd.filename, pc->orig_line, pc->str.c_str());
      frm->pse_tos--;
      print_stack(LBCSPOP, "-Error  ", frm, pc);
      cpd.error_count++;
   }

   /* Insert a CT_VBRACE_OPEN, if needed */
   if ((pc->type != CT_BRACE_OPEN) &&
       ((frm->pse[frm->pse_tos].stage == BS_BRACE2) ||
        (frm->pse[frm->pse_tos].stage == BS_BRACE_DO)))
   {
      parent = frm->pse[frm->pse_tos].type;

      vbrace = insert_vbrace_open_before(pc, frm);
      vbrace->parent_type = parent;

      frm->level++;
      frm->brace_level++;

      push_fmr_pse(frm, vbrace, BS_NONE, "+VBrace ");
      frm->pse[frm->pse_tos].parent = parent;

      /* update the level of pc */
      pc->level       = frm->level;
      pc->brace_level = frm->brace_level;

      /* Mark as a start of a statement */
      frm->stmt_count = 0;
      frm->expr_count = 0;
      pc->flags      |= PCF_STMT_START | PCF_EXPR_START;
      frm->stmt_count = 1;
      frm->expr_count = 1;
      LOG_FMT(LSTMT, "%d] 2.marked %s as stmt start\n", pc->orig_line, pc->str.c_str());
   }

   /* Verify open paren in complex statement */
   if ((pc->type != CT_PAREN_OPEN) &&
       ((frm->pse[frm->pse_tos].stage == BS_PAREN1) ||
        (frm->pse[frm->pse_tos].stage == BS_WOD_PAREN)))
   {
      LOG_FMT(LWARN, "%s:%d Error: Expected '(', got '%s' for '%s'\n",
              cpd.filename, pc->orig_line, pc->str.c_str(),
              get_token_name(frm->pse[frm->pse_tos].type));

      /* Throw out the complex statement */
      frm->pse_tos--;
      print_stack(LBCSPOP, "-Error  ", frm, pc);
      cpd.error_count++;
   }

   return(false);
}
Esempio n. 4
0
void tokenize_cleanup(void)
{
   chunk_t *pc   = chunk_get_head();
   chunk_t *prev = NULL;
   chunk_t *next;
   chunk_t *tmp;
   chunk_t *tmp2;
   bool    in_type_cast = false;

   cpd.unc_stage = US_TOKENIZE_CLEANUP;

   /* Since [] is expected to be TSQUARE for the 'operator', we need to make
    * this change in the first pass.
    */
   for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next_ncnl(pc))
   {
      if (pc->type == CT_SQUARE_OPEN)
      {
         next = chunk_get_next_ncnl(pc);
         if (chunk_is_token(next, CT_SQUARE_CLOSE))
         {
            /* Change '[' + ']' into '[]' */
            set_chunk_type(pc, CT_TSQUARE);
            pc->str = "[]";
            // bug # 664
            // The original orig_col_end of CT_SQUARE_CLOSE is stored at orig_col_end of CT_TSQUARE.
            // pc->orig_col_end += 1;
            pc->orig_col_end = next->orig_col_end;
            chunk_del(next);
         }
      }
      if ((pc->type == CT_SEMICOLON) &&
          (pc->flags & PCF_IN_PREPROC) &&
          !chunk_get_next_ncnl(pc, CNAV_PREPROC))
      {
         LOG_FMT(LNOTE, "%s:%d Detected a macro that ends with a semicolon. Possible failures if used.\n",
                 cpd.filename, pc->orig_line);
      }
   }

   /* We can handle everything else in the second pass */
   pc   = chunk_get_head();
   next = chunk_get_next_ncnl(pc);
   while ((pc != NULL) && (next != NULL))
   {
      if ((pc->type == CT_DOT) && (cpd.lang_flags & LANG_ALLC))
      {
         set_chunk_type(pc, CT_MEMBER);
      }

      if ((pc->type == CT_NULLCOND) && (cpd.lang_flags & LANG_CS))
      {
         set_chunk_type(pc, CT_MEMBER);
      }

      /* Determine the version stuff (D only) */
      if (pc->type == CT_D_VERSION)
      {
         if (next->type == CT_PAREN_OPEN)
         {
            set_chunk_type(pc, CT_D_VERSION_IF);
         }
         else
         {
            if (next->type != CT_ASSIGN)
            {
               LOG_FMT(LERR, "%s:%d %s: version: Unexpected token %s\n",
                       cpd.filename, pc->orig_line, __func__, get_token_name(next->type));
               cpd.error_count++;
            }
            set_chunk_type(pc, CT_WORD);
         }
      }

      /* Determine the scope stuff (D only) */
      if (pc->type == CT_D_SCOPE)
      {
         if (next->type == CT_PAREN_OPEN)
         {
            set_chunk_type(pc, CT_D_SCOPE_IF);
         }
         else
         {
            set_chunk_type(pc, CT_TYPE);
         }
      }

      /**
       * Change CT_BASE before CT_PAREN_OPEN to CT_WORD.
       * public myclass() : base() {
       * }
       */
      if ((pc->type == CT_BASE) && (next->type == CT_PAREN_OPEN))
      {
         set_chunk_type(pc, CT_WORD);
      }

      if ((pc->type == CT_ENUM) && (next->type == CT_CLASS))
      {
         set_chunk_type(next, CT_ENUM_CLASS);
      }

      /**
       * Change CT_WORD after CT_ENUM, CT_UNION, or CT_STRUCT to CT_TYPE
       * Change CT_WORD before CT_WORD to CT_TYPE
       */
      if (next->type == CT_WORD)
      {
         if ((pc->type == CT_ENUM) ||
             (pc->type == CT_ENUM_CLASS) ||
             (pc->type == CT_UNION) ||
             (pc->type == CT_STRUCT))
         {
            set_chunk_type(next, CT_TYPE);
         }
         if (pc->type == CT_WORD)
         {
            set_chunk_type(pc, CT_TYPE);
         }
      }

      /* change extern to qualifier if extern isn't followed by a string or
       * an open paren
       */
      if (pc->type == CT_EXTERN)
      {
         if (next->type == CT_STRING)
         {
            /* Probably 'extern "C"' */
         }
         else if (next->type == CT_PAREN_OPEN)
         {
            /* Probably 'extern (C)' */
         }
         else
         {
            /* Something else followed by a open brace */
            tmp = chunk_get_next_ncnl(next);
            if ((tmp == NULL) || (tmp->type != CT_BRACE_OPEN))
            {
               set_chunk_type(pc, CT_QUALIFIER);
            }
         }
      }

      /**
       * Change CT_STAR to CT_PTR_TYPE if preceded by CT_TYPE,
       * CT_QUALIFIER, or CT_PTR_TYPE.
       */
      if ((next->type == CT_STAR) &&
          ((pc->type == CT_TYPE) ||
           (pc->type == CT_QUALIFIER) ||
           (pc->type == CT_PTR_TYPE)))
      {
         set_chunk_type(next, CT_PTR_TYPE);
      }

      if ((pc->type == CT_TYPE_CAST) &&
          (next->type == CT_ANGLE_OPEN))
      {
         set_chunk_parent(next, CT_TYPE_CAST);
         in_type_cast = true;
      }

      /**
       * Change angle open/close to CT_COMPARE, if not a template thingy
       */
      if ((pc->type == CT_ANGLE_OPEN) && (pc->parent_type != CT_TYPE_CAST))
      {
         /* pretty much all languages except C use <> for something other than
          * comparisons.  "#include<xxx>" is handled elsewhere.
          */
         if (cpd.lang_flags & (LANG_CPP | LANG_CS | LANG_JAVA | LANG_VALA | LANG_OC))
         {
            // bug #663
            check_template(pc);
         }
         else
         {
            /* convert CT_ANGLE_OPEN to CT_COMPARE */
            set_chunk_type(pc, CT_COMPARE);
         }
      }
      if ((pc->type == CT_ANGLE_CLOSE) && (pc->parent_type != CT_TEMPLATE))
      {
         if (in_type_cast)
         {
            in_type_cast = false;
            set_chunk_parent(pc, CT_TYPE_CAST);
         }
         else
         {
            next = handle_double_angle_close(pc);
         }
      }

      if (cpd.lang_flags & LANG_D)
      {
         /* Check for the D string concat symbol '~' */
         if ((pc->type == CT_INV) &&
             ((prev->type == CT_STRING) ||
              (prev->type == CT_WORD) ||
              (next->type == CT_STRING)))
         {
            set_chunk_type(pc, CT_CONCAT);
         }

         /* Check for the D template symbol '!' (word + '!' + word or '(') */
         if ((pc->type == CT_NOT) &&
             (prev->type == CT_WORD) &&
             ((next->type == CT_PAREN_OPEN) ||
              (next->type == CT_WORD) ||
              (next->type == CT_TYPE)))
         {
            set_chunk_type(pc, CT_D_TEMPLATE);
         }

         /* handle "version(unittest) { }" vs "unittest { }" */
         if (prev && (pc->type == CT_UNITTEST) && (prev->type == CT_PAREN_OPEN))
         {
            set_chunk_type(pc, CT_WORD);
         }

         /* handle 'static if' and merge the tokens */
         if (prev && (pc->type == CT_IF) && chunk_is_str(prev, "static", 6))
         {
            /* delete PREV and merge with IF */
            pc->str.insert(0, ' ');
            pc->str.insert(0, prev->str);
            pc->orig_col  = prev->orig_col;
            pc->orig_line = prev->orig_line;
            chunk_t *to_be_deleted = prev;
            prev = chunk_get_prev_ncnl(prev);
            chunk_del(to_be_deleted);
         }
      }

      if (cpd.lang_flags & LANG_CPP)
      {
         /* Change Word before '::' into a type */
         if ((pc->type == CT_WORD) && (next->type == CT_DC_MEMBER))
         {
            set_chunk_type(pc, CT_TYPE);
         }
      }

      /* Change get/set to CT_WORD if not followed by a brace open */
      if ((pc->type == CT_GETSET) && (next->type != CT_BRACE_OPEN))
      {
         if ((next->type == CT_SEMICOLON) &&
             ((prev->type == CT_BRACE_CLOSE) ||
              (prev->type == CT_BRACE_OPEN) ||
              (prev->type == CT_SEMICOLON)))
         {
            set_chunk_type(pc, CT_GETSET_EMPTY);
            set_chunk_parent(next, CT_GETSET);
         }
         else
         {
            set_chunk_type(pc, CT_WORD);
         }
      }

      /* Interface is only a keyword in MS land if followed by 'class' or 'struct'
       * likewise, 'class' may be a member name in Java.
       */
      if ((pc->type == CT_CLASS) && !CharTable::IsKw1(next->str[0]))
      {
         set_chunk_type(pc, CT_WORD);
      }

      /* Change item after operator (>=, ==, etc) to a CT_OPERATOR_VAL
       * Usually the next item is part of the operator.
       * In a few cases the next few tokens are part of it:
       *  operator +       - common case
       *  operator >>      - need to combine '>' and '>'
       *  operator ()
       *  operator []      - already converted to TSQUARE
       *  operator new []
       *  operator delete []
       *  operator const char *
       *  operator const B&
       *  operator std::allocator<U>
       *
       * In all cases except the last, this will put the entire operator value
       * in one chunk.
       */
      if (pc->type == CT_OPERATOR)
      {
         tmp2 = chunk_get_next(next);
         /* Handle special case of () operator -- [] already handled */
         if (next->type == CT_PAREN_OPEN)
         {
            tmp = chunk_get_next(next);
            if ((tmp != NULL) && (tmp->type == CT_PAREN_CLOSE))
            {
               next->str = "()";
               set_chunk_type(next, CT_OPERATOR_VAL);
               chunk_del(tmp);
               next->orig_col_end += 1;
            }
         }
         else if ((next->type == CT_ANGLE_CLOSE) &&
                  tmp2 && (tmp2->type == CT_ANGLE_CLOSE) &&
                  (tmp2->orig_col == next->orig_col_end))
         {
            next->str.append('>');
            next->orig_col_end++;
            set_chunk_type(next, CT_OPERATOR_VAL);
            chunk_del(tmp2);
         }
         else if (next->flags & PCF_PUNCTUATOR)
         {
            set_chunk_type(next, CT_OPERATOR_VAL);
         }
         else
         {
            set_chunk_type(next, CT_TYPE);

            /* Replace next with a collection of all tokens that are part of
             * the type.
             */
            tmp2 = next;
            while ((tmp = chunk_get_next(tmp2)) != NULL)
            {
               if ((tmp->type != CT_WORD) &&
                   (tmp->type != CT_TYPE) &&
                   (tmp->type != CT_QUALIFIER) &&
                   (tmp->type != CT_STAR) &&
                   (tmp->type != CT_CARET) &&
                   (tmp->type != CT_AMP) &&
                   (tmp->type != CT_TSQUARE))
               {
                  break;
               }
               /* Change tmp into a type so that space_needed() works right */
               make_type(tmp);
               int num_sp = space_needed(tmp2, tmp);
               while (num_sp-- > 0)
               {
                  next->str.append(" ");
               }
               next->str.append(tmp->str);
               tmp2 = tmp;
            }

            while ((tmp2 = chunk_get_next(next)) != tmp)
            {
               chunk_del(tmp2);
            }

            set_chunk_type(next, CT_OPERATOR_VAL);

            next->orig_col_end = next->orig_col + next->len();
         }
         set_chunk_parent(next, CT_OPERATOR);

         LOG_FMT(LOPERATOR, "%s: %d:%d operator '%s'\n",
                 __func__, pc->orig_line, pc->orig_col, next->text());
      }

      /* Change private, public, protected into either a qualifier or label */
      if (pc->type == CT_PRIVATE)
      {
         /* Handle Qt slots - maybe should just check for a CT_WORD? */
         if (chunk_is_str(next, "slots", 5) || chunk_is_str(next, "Q_SLOTS", 7))
         {
            tmp = chunk_get_next(next);
            if ((tmp != NULL) && (tmp->type == CT_COLON))
            {
               next = tmp;
            }
         }
         if (next->type == CT_COLON)
         {
            set_chunk_type(next, CT_PRIVATE_COLON);
            if ((tmp = chunk_get_next_ncnl(next)) != NULL)
            {
               chunk_flags_set(tmp, PCF_STMT_START | PCF_EXPR_START);
            }
         }
         else
         {
            set_chunk_type(pc, (chunk_is_str(pc, "signals", 7) || chunk_is_str(pc, "Q_SIGNALS", 9)) ? CT_WORD : CT_QUALIFIER);
         }
      }

      /* Look for <newline> 'EXEC' 'SQL' */
      if ((chunk_is_str(pc, "EXEC", 4) && chunk_is_str(next, "SQL", 3)) ||
          ((*pc->str == '$') && (pc->type != CT_SQL_WORD)))
      {
         tmp = chunk_get_prev(pc);
         if (chunk_is_newline(tmp))
         {
            if (*pc->str == '$')
            {
               set_chunk_type(pc, CT_SQL_EXEC);
               if (pc->len() > 1)
               {
                  /* SPLIT OFF '$' */
                  chunk_t nc;

                  nc = *pc;
                  pc->str.resize(1);
                  pc->orig_col_end = pc->orig_col + 1;

                  nc.type = CT_SQL_WORD;
                  nc.str.pop_front();
                  nc.orig_col++;
                  nc.column++;
                  chunk_add_after(&nc, pc);

                  next = chunk_get_next(pc);
               }
            }
            tmp = chunk_get_next(next);
            if (chunk_is_str_case(tmp, "BEGIN", 5))
            {
               set_chunk_type(pc, CT_SQL_BEGIN);
            }
            else if (chunk_is_str_case(tmp, "END", 3))
            {
               set_chunk_type(pc, CT_SQL_END);
            }
            else
            {
               set_chunk_type(pc, CT_SQL_EXEC);
            }

            /* Change words into CT_SQL_WORD until CT_SEMICOLON */
            while (tmp != NULL)
            {
               if (tmp->type == CT_SEMICOLON)
               {
                  break;
               }
               if ((tmp->len() > 0) && (unc_isalpha(*tmp->str) || (*tmp->str == '$')))
               {
                  set_chunk_type(tmp, CT_SQL_WORD);
               }
               tmp = chunk_get_next_ncnl(tmp);
            }
         }
      }

      /* handle MS abomination 'for each' */
      if ((pc->type == CT_FOR) && chunk_is_str(next, "each", 4) &&
          (next == chunk_get_next(pc)))
      {
         /* merge the two with a space between */
         pc->str.append(' ');
         pc->str         += next->str;
         pc->orig_col_end = next->orig_col_end;
         chunk_del(next);
         next = chunk_get_next_ncnl(pc);
         /* label the 'in' */
         if (next && (next->type == CT_PAREN_OPEN))
         {
            tmp = chunk_get_next_ncnl(next);
            while (tmp && (tmp->type != CT_PAREN_CLOSE))
            {
               if (chunk_is_str(tmp, "in", 2))
               {
                  set_chunk_type(tmp, CT_IN);
                  break;
               }
               tmp = chunk_get_next_ncnl(tmp);
            }
         }
      }

      /* ObjectiveC allows keywords to be used as identifiers in some situations
       * This is a dirty hack to allow some of the more common situations.
       */
      if (cpd.lang_flags & LANG_OC)
      {
         if (((pc->type == CT_IF) ||
              (pc->type == CT_FOR) ||
              (pc->type == CT_WHILE)) &&
             !chunk_is_token(next, CT_PAREN_OPEN))
         {
            set_chunk_type(pc, CT_WORD);
         }
         if ((pc->type == CT_DO) &&
             (chunk_is_token(prev, CT_MINUS) ||
              chunk_is_token(next, CT_SQUARE_CLOSE)))
         {
            set_chunk_type(pc, CT_WORD);
         }
      }

      /* Another hack to clean up more keyword abuse */
      if ((pc->type == CT_CLASS) &&
          (chunk_is_token(prev, CT_DOT) ||
           chunk_is_token(next, CT_DOT)))
      {
         set_chunk_type(pc, CT_WORD);
      }

      /* Detect Objective C class name */
      if ((pc->type == CT_OC_IMPL) ||
          (pc->type == CT_OC_INTF) ||
          (pc->type == CT_OC_PROTOCOL))
      {
         if (next->type != CT_PAREN_OPEN)
         {
            set_chunk_type(next, CT_OC_CLASS);
         }
         set_chunk_parent(next, pc->type);

         tmp = chunk_get_next_ncnl(next);
         if (tmp != NULL)
         {
            chunk_flags_set(tmp, PCF_STMT_START | PCF_EXPR_START);
         }

         tmp = chunk_get_next_type(pc, CT_OC_END, pc->level);
         if (tmp != NULL)
         {
            set_chunk_parent(tmp, pc->type);
         }
      }

      if (pc->type == CT_OC_INTF)
      {
         tmp = chunk_get_next_ncnl(pc, CNAV_PREPROC);
         while ((tmp != NULL) && (tmp->type != CT_OC_END))
         {
            if (get_token_pattern_class(tmp->type) != PATCLS_NONE)
            {
               LOG_FMT(LOBJCWORD, "@interface %d:%d change '%s' (%s) to CT_WORD\n",
                       pc->orig_line, pc->orig_col, tmp->text(),
                       get_token_name(tmp->type));
               set_chunk_type(tmp, CT_WORD);
            }
            tmp = chunk_get_next_ncnl(tmp, CNAV_PREPROC);
         }
      }

      /* Detect Objective-C categories and class extensions */
      /* @interface ClassName (CategoryName) */
      /* @implementation ClassName (CategoryName) */
      /* @interface ClassName () */
      /* @implementation ClassName () */
      if (((pc->parent_type == CT_OC_IMPL) ||
           (pc->parent_type == CT_OC_INTF) ||
           (pc->type == CT_OC_CLASS)) &&
          (next->type == CT_PAREN_OPEN))
      {
         set_chunk_parent(next, pc->parent_type);

         tmp = chunk_get_next(next);
         if ((tmp != NULL) && (tmp->next != NULL))
         {
            if (tmp->type == CT_PAREN_CLOSE)
            {
               //set_chunk_type(tmp, CT_OC_CLASS_EXT);
               set_chunk_parent(tmp, pc->parent_type);
            }
            else
            {
               set_chunk_type(tmp, CT_OC_CATEGORY);
               set_chunk_parent(tmp, pc->parent_type);
            }
         }

         tmp = chunk_get_next_type(pc, CT_PAREN_CLOSE, pc->level);
         if (tmp != NULL)
         {
            set_chunk_parent(tmp, pc->parent_type);
         }
      }

      /* Detect Objective C @property
       *  @property NSString *stringProperty;
       *  @property(nonatomic, retain) NSMutableDictionary *shareWith;
       */
      if (pc->type == CT_OC_PROPERTY)
      {
         if (next->type != CT_PAREN_OPEN)
         {
            chunk_flags_set(next, PCF_STMT_START | PCF_EXPR_START);
         }
         else
         {
            set_chunk_parent(next, pc->type);

            tmp = chunk_get_next_type(pc, CT_PAREN_CLOSE, pc->level);
            if (tmp != NULL)
            {
               set_chunk_parent(tmp, pc->type);
               tmp = chunk_get_next_ncnl(tmp);
               if (tmp != NULL)
               {
                  chunk_flags_set(tmp, PCF_STMT_START | PCF_EXPR_START);

                  tmp = chunk_get_next_type(tmp, CT_SEMICOLON, pc->level);
                  if (tmp != NULL)
                  {
                     set_chunk_parent(tmp, pc->type);
                  }
               }
            }
         }
      }

      /* Detect Objective C @selector
       *  @selector(msgNameWithNoArg)
       *  @selector(msgNameWith1Arg:)
       *  @selector(msgNameWith2Args:arg2Name:)
       */
      if ((pc->type == CT_OC_SEL) && (next->type == CT_PAREN_OPEN))
      {
         set_chunk_parent(next, pc->type);

         tmp = chunk_get_next(next);
         if (tmp != NULL)
         {
            set_chunk_type(tmp, CT_OC_SEL_NAME);
            set_chunk_parent(tmp, pc->type);

            while ((tmp = chunk_get_next_ncnl(tmp)) != NULL)
            {
               if (tmp->type == CT_PAREN_CLOSE)
               {
                  set_chunk_parent(tmp, CT_OC_SEL);
                  break;
               }
               set_chunk_type(tmp, CT_OC_SEL_NAME);
               set_chunk_parent(tmp, pc->type);
            }
         }
      }

      /* Handle special preprocessor junk */
      if (pc->type == CT_PREPROC)
      {
         set_chunk_parent(pc, next->type);
      }

      /* Detect "pragma region" and "pragma endregion" */
      if ((pc->type == CT_PP_PRAGMA) && (next->type == CT_PREPROC_BODY))
      {
         if ((memcmp(next->str, "region", 6) == 0) ||
             (memcmp(next->str, "endregion", 9) == 0))
         {
            set_chunk_type(pc, (*next->str == 'r') ? CT_PP_REGION : CT_PP_ENDREGION);

            set_chunk_parent(prev, pc->type);
         }
      }

      /* Check for C# nullable types '?' is in next */
      if ((cpd.lang_flags & LANG_CS) &&
          (next->type == CT_QUESTION) &&
          (next->orig_col == (pc->orig_col + pc->len())))
      {
         tmp = chunk_get_next_ncnl(next);
         if (tmp != NULL)
         {
            bool doit = ((tmp->type == CT_PAREN_CLOSE) ||
                         (tmp->type == CT_ANGLE_CLOSE));

            if (tmp->type == CT_WORD)
            {
               tmp2 = chunk_get_next_ncnl(tmp);
               if ((tmp2 != NULL) &&
                   ((tmp2->type == CT_SEMICOLON) ||
                    (tmp2->type == CT_ASSIGN) ||
                    (tmp2->type == CT_COMMA) ||
                    (tmp2->type == CT_BRACE_OPEN)))
               {
                  doit = true;
               }
            }

            if (doit)
            {
               pc->str         += next->str;
               pc->orig_col_end = next->orig_col_end;
               chunk_del(next);
               next = tmp;
            }
         }
      }

      /* Change 'default(' into a sizeof-like statement */
      if ((cpd.lang_flags & LANG_CS) &&
          (pc->type == CT_DEFAULT) &&
          (next->type == CT_PAREN_OPEN))
      {
         set_chunk_type(pc, CT_SIZEOF);
      }

      if ((pc->type == CT_UNSAFE) && (next->type != CT_BRACE_OPEN))
      {
         set_chunk_type(pc, CT_QUALIFIER);
      }

      if (((pc->type == CT_USING) ||
           ((pc->type == CT_TRY) && (cpd.lang_flags & LANG_JAVA))) &&
          (next->type == CT_PAREN_OPEN))
      {
         set_chunk_type(pc, CT_USING_STMT);
      }

      /* Add minimal support for C++0x rvalue references */
      if ((pc->type == CT_BOOL) && chunk_is_str(pc, "&&", 2))
      {
         if (prev->type == CT_TYPE)
         {
            set_chunk_type(pc, CT_BYREF);
         }
      }

      /* HACK: treat try followed by a colon as a qualifier to handle this:
       *   A::A(int) try : B() { } catch (...) { }
       */
      if ((pc->type == CT_TRY) && chunk_is_str(pc, "try", 3) &&
          (next != NULL) && (next->type == CT_COLON))
      {
         set_chunk_type(pc, CT_QUALIFIER);
      }

      /* If Java's 'synchronized' is in a method declaration, it should be
       * a qualifier. */
      if ((cpd.lang_flags & LANG_JAVA) &&
          (pc->type == CT_SYNCHRONIZED) &&
          (next->type != CT_PAREN_OPEN))
      {
         set_chunk_type(pc, CT_QUALIFIER);
      }

      // guy 2015-11-05
      // change CT_DC_MEMBER + CT_FOR into CT_DC_MEMBER + CT_FUNC_CALL
      if ((pc->type == CT_FOR) &&
          (pc->prev->type == CT_DC_MEMBER))
      {
         set_chunk_type(pc, CT_FUNC_CALL);
      }
      /* TODO: determine other stuff here */

      prev = pc;
      pc   = next;
      next = chunk_get_next_ncnl(pc);
   }
} // tokenize_cleanup
Esempio n. 5
0
/**
 * Scan backwards to find the most appropriate spot to split the line
 * and insert a newline.
 *
 * See if this needs special function handling.
 * Scan backwards and find the best token for the split.
 *
 * @param start The first chunk that exceeded the limit
 */
static bool split_line(chunk_t *start)
{
   LOG_FUNC_ENTRY();
   LOG_FMT(LSPLIT, "%s: line %lu, col %d token: '%s' [%s] (IN_FUNC=%d) ",
           __func__, start->orig_line, start->column, start->text(),
           get_token_name(start->type),
           (start->flags & (PCF_IN_FCN_DEF | PCF_IN_FCN_CALL)) != 0);

   /**
    * break at maximum line length if ls_code_width is true
    */
   if (start->flags & PCF_ONE_LINER)
   {
      LOG_FMT(LSPLIT, " ** ONCE LINER SPLIT **\n");
      undo_one_liner(start);
      newlines_cleanup_braces(false);
      return(false);
   }

   if (cpd.settings[UO_ls_code_width].b)
   {
   }
   /* Check to see if we are in a for statement */
   else if (start->flags & PCF_IN_FOR)
   {
      LOG_FMT(LSPLIT, " ** FOR SPLIT **\n");
      split_for_stmt(start);
      if (!is_past_width(start))
      {
         return(true);
      }
      LOG_FMT(LSPLIT, "%s: for split didn't work\n", __func__);
   }

   /* If this is in a function call or prototype, split on commas or right
    * after the open paren
    */
   else if ((start->flags & PCF_IN_FCN_DEF) ||
            ((start->level == (start->brace_level + 1)) &&
             (start->flags & PCF_IN_FCN_CALL)))
   {
      LOG_FMT(LSPLIT, " ** FUNC SPLIT **\n");

      if (cpd.settings[UO_ls_func_split_full].b)
      {
         split_fcn_params_full(start);
         if (!is_past_width(start))
         {
            return(true);
         }
      }
      split_fcn_params(start);
      return(true);
   }

   /**
    * Try to find the best spot to split the line
    */
   cw_entry ent;

   memset(&ent, 0, sizeof(ent));
   chunk_t *pc = start;
   chunk_t *prev;

   while (((pc = chunk_get_prev(pc)) != NULL) && !chunk_is_newline(pc))
   {
      LOG_FMT(LSPLIT, "%s: at %s, col=%lu\n", __func__, pc->text(), pc->orig_col);
      if (pc->type != CT_SPACE)
      {
         try_split_here(ent, pc);
         /*  break at maximum line length */
         if ((ent.pc != NULL) && (cpd.settings[UO_ls_code_width].b))
         {
            break;
         }
      }
   }

   if (ent.pc == NULL)
   {
      LOG_FMT(LSPLIT, "\n%s:    TRY_SPLIT yielded NO SOLUTION for line %lu at %s [%s]\n",
              __func__, start->orig_line, start->text(), get_token_name(start->type));
   }
   else
   {
      LOG_FMT(LSPLIT, "\n%s:    TRY_SPLIT yielded '%s' [%s] on line %lu\n",
              __func__, ent.pc->text(), get_token_name(ent.pc->type), ent.pc->orig_line);
      LOG_FMT(LSPLIT, "%s: ent at %s, col=%lu\n",
              __func__, ent.pc->text(), ent.pc->orig_col);
   }

   /* Break before the token instead of after it according to the pos_xxx rules */
   if (ent.pc == NULL)
   {
      pc = NULL;
   }
   else
   {
      if (((chunk_is_token(ent.pc, CT_ARITH) || chunk_is_token(ent.pc, CT_CARET)) &&
           (cpd.settings[UO_pos_arith].tp & TP_LEAD)) ||
          (chunk_is_token(ent.pc, CT_ASSIGN) &&
           (cpd.settings[UO_pos_assign].tp & TP_LEAD)) ||
          (chunk_is_token(ent.pc, CT_COMPARE) &&
           (cpd.settings[UO_pos_compare].tp & TP_LEAD)) ||
          ((chunk_is_token(ent.pc, CT_COND_COLON) ||
            chunk_is_token(ent.pc, CT_QUESTION)) &&
           (cpd.settings[UO_pos_conditional].tp & TP_LEAD)) ||
          (chunk_is_token(ent.pc, CT_BOOL) &&
           (cpd.settings[UO_pos_bool].tp & TP_LEAD)))
      {
         pc = ent.pc;
      }
      else
      {
         pc = chunk_get_next(ent.pc);
      }
      LOG_FMT(LSPLIT, "%s: at %s, col=%lu\n", __func__, pc->text(), pc->orig_col);
   }

   if (pc == NULL)
   {
      pc = start;
      /* Don't break before a close, comma, or colon */
      if ((start->type == CT_PAREN_CLOSE) ||
          (start->type == CT_PAREN_OPEN) ||
          (start->type == CT_FPAREN_CLOSE) ||
          (start->type == CT_FPAREN_OPEN) ||
          (start->type == CT_SPAREN_CLOSE) ||
          (start->type == CT_SPAREN_OPEN) ||
          (start->type == CT_ANGLE_CLOSE) ||
          (start->type == CT_BRACE_CLOSE) ||
          (start->type == CT_COMMA) ||
          (start->type == CT_SEMICOLON) ||
          (start->type == CT_VSEMICOLON) ||
          (start->len() == 0))
      {
         LOG_FMT(LSPLIT, " ** NO GO **\n");

         /*TODO: Add in logic to handle 'hard' limits by backing up a token */
         return(true);
      }
   }

   /* add a newline before pc */
   prev = chunk_get_prev(pc);
   if ((prev != NULL) && !chunk_is_newline(pc) && !chunk_is_newline(prev))
   {
      //int plen = (pc->len() < 5) ? pc->len() : 5;
      //int slen = (start->len() < 5) ? start->len() : 5;
      //LOG_FMT(LSPLIT, " '%.*s' [%s], started on token '%.*s' [%s]\n",
      //        plen, pc->text(), get_token_name(pc->type),
      //        slen, start->text(), get_token_name(start->type));
      LOG_FMT(LSPLIT, "  %s [%s], started on token '%s' [%s]\n",
              pc->text(), get_token_name(pc->type),
              start->text(), get_token_name(start->type));

      split_before_chunk(pc);
   }
   return(true);
} // split_line
Esempio n. 6
0
/**
 * This renders the chunk list to a file.
 */
void output_text(FILE *pfile)
{
   chunk_t *pc;
   chunk_t *prev;
   int     cnt;
   int     lvlcol;
   bool    allow_tabs;

   cpd.fout = pfile;

   for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc))
   {
      if (pc->type == CT_NEWLINE)
      {
         for (cnt = 0; cnt < pc->nl_count; cnt++)
         {
            add_char('\n');
         }
         cpd.did_newline = 1;
         cpd.column      = 1;
         LOG_FMT(LOUTIND, " xx\n");
      }
      else if (pc->type == CT_COMMENT_MULTI)
      {
         output_comment_multi(pc);
      }
      else if (pc->type == CT_COMMENT_CPP)
      {
         pc = output_comment_cpp(pc);
      }
      else if (pc->len == 0)
      {
         /* don't do anything for non-visible stuff */
         LOG_FMT(LOUTIND, " <%d> -", pc->column);
      }
      else
      {
         /* indent to the 'level' first */
         if (cpd.did_newline)
         {
            if (cpd.settings[UO_indent_with_tabs].n == 1)
            {
               lvlcol = 1 + (pc->brace_level * cpd.settings[UO_indent_columns].n);
               if ((pc->column >= lvlcol) && (lvlcol > 1))
               {
                  output_to_column(lvlcol, true);
               }
            }
            allow_tabs = (cpd.settings[UO_indent_with_tabs].n == 2) ||
                         (chunk_is_comment(pc) &&
                          (cpd.settings[UO_indent_with_tabs].n != 0));

            LOG_FMT(LOUTIND, "  %d> col %d/%d - ", pc->orig_line, pc->column, cpd.column);
         }
         else
         {
            /* not the first item on a line */
            if (cpd.settings[UO_align_keep_tabs].b)
            {
               allow_tabs = pc->after_tab;
            }
            else
            {
               prev       = chunk_get_prev(pc);
               allow_tabs = (cpd.settings[UO_align_with_tabs].b &&
                             ((pc->flags & PCF_WAS_ALIGNED) != 0) &&
                             (((pc->column - 1) % cpd.settings[UO_output_tab_size].n) == 0) &&
                             ((prev->column + prev->len + 1) != pc->column));
            }
            LOG_FMT(LOUTIND, " %d -", pc->column);
         }

         output_to_column(pc->column, allow_tabs);
         add_text_len(pc->str, pc->len);
         cpd.did_newline = chunk_is_newline(pc);
      }
   }
}
Esempio n. 7
0
static bool split_line(chunk_t *start)
{
   LOG_FUNC_ENTRY();
   LOG_FMT(LSPLIT, "%s(%d): start->text() '%s', orig_line is %zu, orig_col is %zu, type is %s\n",
           __func__, __LINE__, start->text(), start->orig_line, start->orig_col, get_token_name(start->type));
   LOG_FMT(LSPLIT, "   start->flags ");
   log_pcf_flags(LSPLIT, start->flags);
   LOG_FMT(LSPLIT, "   start->parent_type %s, (PCF_IN_FCN_DEF is %s), (PCF_IN_FCN_CALL is %s)\n",
           get_token_name(start->parent_type),
           ((start->flags & (PCF_IN_FCN_DEF)) != 0) ? "TRUE" : "FALSE",
           ((start->flags & (PCF_IN_FCN_CALL)) != 0) ? "TRUE" : "FALSE");

   // break at maximum line length if ls_code_width is true
   if (start->flags & PCF_ONE_LINER)
   {
      LOG_FMT(LSPLIT, "%s(%d): ** ONCE LINER SPLIT **\n", __func__, __LINE__);
      undo_one_liner(start);
      newlines_cleanup_braces(false);
      // Issue #1352
      cpd.changes++;
      return(false);
   }

   LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
   if (cpd.settings[UO_ls_code_width].b)
   {
   }
   // Check to see if we are in a for statement
   else if (start->flags & PCF_IN_FOR)
   {
      LOG_FMT(LSPLIT, " ** FOR SPLIT **\n");
      split_for_stmt(start);
      if (!is_past_width(start))
      {
         return(true);
      }
      LOG_FMT(LSPLIT, "%s(%d): for split didn't work\n", __func__, __LINE__);
   }

   /*
    * If this is in a function call or prototype, split on commas or right
    * after the open parenthesis
    */
   else if (  (start->flags & PCF_IN_FCN_DEF)
           || start->parent_type == CT_FUNC_PROTO            // Issue #1169
           || (  (start->level == (start->brace_level + 1))
              && (start->flags & PCF_IN_FCN_CALL)))
   {
      LOG_FMT(LSPLIT, " ** FUNC SPLIT **\n");

      if (cpd.settings[UO_ls_func_split_full].b)
      {
         split_fcn_params_full(start);
         if (!is_past_width(start))
         {
            return(true);
         }
      }
      split_fcn_params(start);
      return(true);
   }

   /*
    * If this is in a template, split on commas, Issue #1170
    */
   else if (start->flags & PCF_IN_TEMPLATE)
   {
      LOG_FMT(LSPLIT, " ** TEMPLATE SPLIT **\n");
      split_template(start);
      return(true);
   }

   LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
   // Try to find the best spot to split the line
   cw_entry ent;

   memset(&ent, 0, sizeof(ent));
   chunk_t *pc = start;
   chunk_t *prev;

   while (((pc = chunk_get_prev(pc)) != nullptr) && !chunk_is_newline(pc))
   {
      LOG_FMT(LSPLIT, "%s(%d): at %s, orig_line=%zu, orig_col=%zu\n",
              __func__, __LINE__, pc->text(), pc->orig_line, pc->orig_col);
      if (pc->type != CT_SPACE)
      {
         try_split_here(ent, pc);
         // break at maximum line length
         if (ent.pc != nullptr && (cpd.settings[UO_ls_code_width].b))
         {
            break;
         }
      }
   }

   if (ent.pc == nullptr)
   {
      LOG_FMT(LSPLIT, "\n%s(%d):    TRY_SPLIT yielded NO SOLUTION for orig_line %zu at '%s' [%s]\n",
              __func__, __LINE__, start->orig_line, start->text(), get_token_name(start->type));
   }
   else
   {
      LOG_FMT(LSPLIT, "\n%s(%d):    TRY_SPLIT yielded '%s' [%s] on orig_line %zu\n",
              __func__, __LINE__, ent.pc->text(), get_token_name(ent.pc->type), ent.pc->orig_line);
      LOG_FMT(LSPLIT, "%s(%d): ent at '%s', orig_col is %zu\n",
              __func__, __LINE__, ent.pc->text(), ent.pc->orig_col);
   }

   // Break before the token instead of after it according to the pos_xxx rules
   if (ent.pc == nullptr)
   {
      pc = nullptr;
   }
   else
   {
      if (  (  (  chunk_is_token(ent.pc, CT_ARITH)
               || chunk_is_token(ent.pc, CT_CARET))
            && (cpd.settings[UO_pos_arith].tp & TP_LEAD))
         || (  chunk_is_token(ent.pc, CT_ASSIGN)
            && (cpd.settings[UO_pos_assign].tp & TP_LEAD))
         || (  chunk_is_token(ent.pc, CT_COMPARE)
            && (cpd.settings[UO_pos_compare].tp & TP_LEAD))
         || (  (  chunk_is_token(ent.pc, CT_COND_COLON)
               || chunk_is_token(ent.pc, CT_QUESTION))
            && (cpd.settings[UO_pos_conditional].tp & TP_LEAD))
         || (  chunk_is_token(ent.pc, CT_BOOL)
            && (cpd.settings[UO_pos_bool].tp & TP_LEAD)))
      {
         pc = ent.pc;
      }
      else
      {
         pc = chunk_get_next(ent.pc);
      }
      LOG_FMT(LSPLIT, "%s(%d): at '%s', orig_col is %zu\n",
              __func__, __LINE__, pc->text(), pc->orig_col);
   }

   if (pc == nullptr)
   {
      pc = start;
      // Don't break before a close, comma, or colon
      if (  start->type == CT_PAREN_CLOSE
         || start->type == CT_PAREN_OPEN
         || start->type == CT_FPAREN_CLOSE
         || start->type == CT_FPAREN_OPEN
         || start->type == CT_SPAREN_CLOSE
         || start->type == CT_SPAREN_OPEN
         || start->type == CT_ANGLE_CLOSE
         || start->type == CT_BRACE_CLOSE
         || start->type == CT_COMMA
         || start->type == CT_SEMICOLON
         || start->type == CT_VSEMICOLON
         || start->len() == 0)
      {
         LOG_FMT(LSPLIT, " ** NO GO **\n");

         // TODO: Add in logic to handle 'hard' limits by backing up a token
         return(true);
      }
   }

   // add a newline before pc
   prev = chunk_get_prev(pc);
   if (  prev != nullptr
      && !chunk_is_newline(pc)
      && !chunk_is_newline(prev))
   {
      //int plen = (pc->len() < 5) ? pc->len() : 5;
      //int slen = (start->len() < 5) ? start->len() : 5;
      //LOG_FMT(LSPLIT, " '%.*s' [%s], started on token '%.*s' [%s]\n",
      //        plen, pc->text(), get_token_name(pc->type),
      //        slen, start->text(), get_token_name(start->type));
      LOG_FMT(LSPLIT, "%s(%d): text() '%s', type [%s], started on token '%s', type [%s]\n",
              __func__, __LINE__, pc->text(), get_token_name(pc->type),
              start->text(), get_token_name(start->type));

      split_before_chunk(pc);
   }
   return(true);
} // split_line
Esempio n. 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);
}
Esempio n. 9
0
/**
 * Figures out where to split a function def/proto/call
 *
 * For fcn protos and defs. Also fcn calls where level == brace_level:
 *   - find the open fparen
 *     + if it doesn't have a newline right after it
 *       * see if all parameters will fit individually after the paren
 *       * if not, throw a newline after the open paren & return
 *   - scan backwards to the open fparen or comma
 *     + if there isn't a newline after that item, add one & return
 *     + otherwise, add a newline before the start token
 *
 * @param start   the offending token
 * @return        the token that should have a newline
 *                inserted before it
 */
static void split_fcn_params(chunk_t *start)
{
   LOG_FMT(LSPLIT, "  %s: ", __func__);

   chunk_t *next;
   chunk_t *prev;
   chunk_t *fpo;
   chunk_t *pc;

   /* Find the opening fparen */
   fpo = start;
   while (((fpo = chunk_get_prev(fpo)) != NULL) &&
          (fpo->type != CT_FPAREN_OPEN))
   {
      /* do nothing */
   }

   pc = chunk_get_next(fpo);
   if (!chunk_is_newline(pc))
   {
      int min_col   = pc->column;
      int max_width = 0;
      int cur_width = 0;
      int last_col  = -1;

      LOG_FMT(LSPLIT, " mincol=%d, max_width=%d ",
              min_col,
              cpd.settings[UO_code_width].n - min_col);

      while (pc != NULL)
      {
         if (chunk_is_newline(pc))
         {
            last_col = -1;
         }
         else
         {
            if (last_col < 0)
            {
               last_col = pc->column;
            }
            cur_width += (pc->column - last_col) + pc->len();
            last_col   = pc->column + pc->len();

            if ((pc->type == CT_COMMA) ||
                (pc->type == CT_FPAREN_CLOSE))
            {
               cur_width--;
               LOG_FMT(LSPLIT, " width=%d ", cur_width);
               if (cur_width > max_width)
               {
                  max_width = cur_width;
                  if ((max_width + min_col) > cpd.settings[UO_code_width].n)
                  {
                     break;
                  }
               }
               cur_width = 0;
               last_col  = -1;
               if (pc->type == CT_FPAREN_CLOSE)
               {
                  break;
               }
            }
         }
         pc = chunk_get_next(pc);
      }

      // don't split function w/o parameters
      next = chunk_get_next(fpo);
      if (((max_width + min_col) > cpd.settings[UO_code_width].n) &&
          next->type != CT_FPAREN_CLOSE)
      {
         LOG_FMT(LSPLIT, " - A param won't fit, nl after open paren.");
         split_before_chunk(chunk_get_next(fpo));
         return;
      }
   }

   /* back up until the prev is a comma */
   prev = pc;
   while ((prev = chunk_get_prev(prev)) != NULL)
   {
      if (chunk_is_newline(prev) ||
          (prev->type == CT_COMMA))
      {
         break;
      }
      if (prev->type == CT_FPAREN_OPEN)
      {
         /* Don't split "()" */
         pc = chunk_get_next(prev);
         if (pc->type != c_token_t(prev->type + 1))
         {
            break;
         }
      }
   }
   if (prev != NULL)
   {
      LOG_FMT(LSPLIT, " -- ended on [%s] -- ", get_token_name(prev->type));
   }
   if (prev != NULL)
   {
      split_before_chunk(chunk_get_next(prev));
   }
}
Esempio n. 10
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);
}
Esempio n. 11
0
static void align_same_func_call_params()
{
   chunk_t    *pc;
   chunk_t    *align_root = NULL;
   chunk_t    *align_cur  = NULL;
   int        align_len   = 0;
   chunk_t    *chunks[16];
   AlignStack as[16];
   AlignStack fcn_as;
   int        max_idx = -1;
   int        cur_as;
   int        idx;
   const char *add_str = NULL;

   fcn_as.Start(3);

   for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next(pc))
   {
      if (pc->type != CT_FUNC_CALL)
      {
         if (chunk_is_newline(pc))
         {
            for (idx = 0; idx <= max_idx; idx++)
            {
               as[idx].NewLines(pc->nl_count);
            }
            fcn_as.NewLines(pc->nl_count);
         }
         continue;
      }

      /* Only align function calls that are right after a newline */
      if (!chunk_is_newline(chunk_get_prev(pc)))
      {
         continue;
      }

      fcn_as.Add(pc);
      add_str = NULL;

      if (align_root != NULL)
      {
         if ((pc->len == align_root->len) &&
             (memcmp(pc->str, align_root->str, pc->len) == 0))
         {
            align_cur->align.next = pc;
            align_cur             = pc;
            align_len++;
            add_str = "  Add";
         }
         else
         {
            LOG_FMT(LASFCP, "  ++ Ended with %d fcns\n", align_len);

            /* Flush it all! */
            fcn_as.Flush();
            for (idx = 0; idx <= max_idx; idx++)
            {
               as[idx].Flush();
            }
            align_root = NULL;
         }
      }
      if (align_root == NULL)
      {
         align_root = pc;
         align_cur  = pc;
         align_len  = 1;
         add_str    = "Start";
      }

      if (add_str != NULL)
      {
         LOG_FMT(LASFCP, "%s '%.*s' on line %d -",
                 add_str, pc->len, pc->str, pc->orig_line);
         cur_as = align_params(pc, chunks, ARRAY_SIZE(chunks));
         LOG_FMT(LASFCP, " %d items:", cur_as);

         for (idx = 0; idx < cur_as; idx++)
         {
            LOG_FMT(LASFCP, " [%.*s]", chunks[idx]->len, chunks[idx]->str);
            if (idx > max_idx)
            {
               as[idx].Start(3);
               if (!cpd.settings[UO_align_number_left].b)
               {
                  if ((chunks[idx]->type == CT_NUMBER_FP) ||
                      (chunks[idx]->type == CT_NUMBER) ||
                      (chunks[idx]->type == CT_POS) ||
                      (chunks[idx]->type == CT_NEG))
                  {
                     as[idx].m_right_align = true;
                  }
               }
               max_idx = idx;
            }
            as[idx].Add(chunks[idx]);
         }
         LOG_FMT(LASFCP, "\n");
      }
   }
   fcn_as.End();
   for (idx = 0; idx <= max_idx; idx++)
   {
      as[idx].End();
   }
}
Esempio n. 12
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();
}
Esempio n. 13
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();
   }
}
Esempio n. 14
0
/**
 * Generically aligns on '=', '{', '(' and item after ','
 * It scans the first line and picks up the location of those tags.
 * It then scans subsequent lines and adjusts the column.
 * Finally it does a second pass to align everything.
 *
 * Aligns all the '=' signs in stucture assignments.
 * a = {
 *    .a    = 1;
 *    .type = fast;
 * };
 *
 * And aligns on '{', numbers, strings, words.
 * colors[] = {
 *    {"red",   {255, 0,   0}}, {"blue",   {  0, 255, 0}},
 *    {"green", {  0, 0, 255}}, {"purple", {255, 255, 0}},
 * };
 *
 * For the C99 indexed array assignment, the leading []= is skipped (no aligning)
 * struct foo_t bars[] =
 * {
 *    [0] = { .name = "bar",
 *            .age  = 21 },
 *    [1] = { .name = "barley",
 *            .age  = 55 },
 * };
 *
 * NOTE: this assumes that spacing is at the minimum correct spacing (ie force)
 *       if it isn't, some extra spaces will be inserted.
 *
 * @param start   Points to the open brace chunk
 */
static void align_init_brace(chunk_t *start)
{
   int     idx;
   chunk_t *pc;
   chunk_t *next;
   chunk_t *prev;
   chunk_t *num_token = NULL;

   cpd.al_cnt       = 0;
   cpd.al_c99_array = false;

   LOG_FMT(LALBR, "%s: line %d, col %d\n", __func__, start->orig_line, start->orig_col);

   pc = chunk_get_next_ncnl(start);
   pc = scan_ib_line(pc, true);
   if ((pc == NULL) || ((pc->type == CT_BRACE_CLOSE) &&
                        (pc->parent_type == CT_ASSIGN)))
   {
      /* single line - nothing to do */
      return;
   }

   do
   {
      pc = scan_ib_line(pc, false);

      /* debug dump the current frame */
      align_log_al(LALBR, pc->orig_line);

      while (chunk_is_newline(pc))
      {
         pc = chunk_get_next(pc);
      }
   } while ((pc != NULL) && (pc->level > start->level));

   /* debug dump the current frame */
   align_log_al(LALBR, start->orig_line);

   if (cpd.settings[UO_align_on_tabstop].b && (cpd.al_cnt >= 1) &&
       (cpd.al[0].type == CT_ASSIGN))
   {
      int rem = (cpd.al[0].col - 1) % cpd.settings[UO_output_tab_size].n;
      if (rem != 0)
      {
         LOG_FMT(LALBR, "%s: col=%d rem=%d", __func__, cpd.al[0].col, rem);
         cpd.al[0].col += cpd.settings[UO_output_tab_size].n - rem;
      }
   }

   pc  = chunk_get_next(start);
   idx = 0;
   do
   {
      if ((idx == 0) && (pc->type == CT_SQUARE_OPEN))
      {
         pc = chunk_get_next_type(pc, CT_ASSIGN, pc->level);
         pc = chunk_get_next(pc);
         if (pc != NULL)
         {
            LOG_FMT(LALBR, " -%d- skipped '[] =' to %s\n",
                    pc->orig_line, get_token_name(pc->type));
         }
         continue;
      }

      next = pc;
      if (idx < cpd.al_cnt)
      {
         LOG_FMT(LALBR, " (%d) check %s vs %s -- ",
                 idx, get_token_name(pc->type), get_token_name(cpd.al[idx].type));
         if (pc->type == cpd.al[idx].type)
         {
            if ((idx == 0) && cpd.al_c99_array)
            {
               prev = chunk_get_prev(pc);
               if (chunk_is_newline(prev))
               {
                  pc->flags |= PCF_DONT_INDENT;
               }
            }
            LOG_FMT(LALBR, " [%.*s] to col %d\n", pc->len, pc->str, cpd.al[idx].col);

            if (num_token != NULL)
            {
               int col_diff = pc->column - num_token->column;

               reindent_line(num_token, cpd.al[idx].col - col_diff);
               //LOG_FMT(LSYS, "-= %d =- NUM indent [%.*s] col=%d diff=%d\n",
               //        num_token->orig_line,
               //        num_token->len, num_token->str, cpd.al[idx - 1].col, col_diff);

               num_token->flags |= PCF_WAS_ALIGNED;
               num_token         = NULL;
            }

            /* Comma's need to 'fall back' to the previous token */
            if (pc->type == CT_COMMA)
            {
               next = chunk_get_next(pc);
               if ((next != NULL) && !chunk_is_newline(next))
               {
                  //LOG_FMT(LSYS, "-= %d =- indent [%.*s] col=%d len=%d\n",
                  //        next->orig_line,
                  //        next->len, next->str, cpd.al[idx].col, cpd.al[idx].len);

                  if ((idx < (cpd.al_cnt - 1)) &&
                      cpd.settings[UO_align_number_left].b &&
                      ((next->type == CT_NUMBER_FP) ||
                       (next->type == CT_NUMBER) ||
                       (next->type == CT_POS) ||
                       (next->type == CT_NEG)))
                  {
                     /* Need to wait until the next match to indent numbers */
                     num_token = next;
                  }
                  else
                  {
                     reindent_line(next, cpd.al[idx].col + cpd.al[idx].len);
                     next->flags |= PCF_WAS_ALIGNED;
                  }
               }
            }
            else
            {
               /* first item on the line */
               reindent_line(pc, cpd.al[idx].col);
               pc->flags |= PCF_WAS_ALIGNED;

               /* see if we need to right-align a number */
               if ((idx < (cpd.al_cnt - 1)) &&
                   cpd.settings[UO_align_number_left].b)
               {
                  next = chunk_get_next(pc);
                  if ((next != NULL) && !chunk_is_newline(next) &&
                      ((next->type == CT_NUMBER_FP) ||
                       (next->type == CT_NUMBER) ||
                       (next->type == CT_POS) ||
                       (next->type == CT_NEG)))
                  {
                     /* Need to wait until the next match to indent numbers */
                     num_token = next;
                  }
               }
            }
            idx++;
         }
         else
         {
            LOG_FMT(LALBR, " no match\n");
         }
      }
      if (chunk_is_newline(pc) || chunk_is_newline(next))
      {
         idx = 0;
      }
      pc = chunk_get_next(pc);
   } while ((pc != NULL) && (pc->level > start->level));
}
Esempio n. 15
0
void tokenize_cleanup(void)
{
   chunk_t *pc   = chunk_get_head();
   chunk_t *prev = NULL;
   chunk_t *next;
   chunk_t *tmp;
   chunk_t *tmp2;
   bool    in_type_cast = false;

   pc   = chunk_get_head();
   next = chunk_get_next_ncnl(pc);
   while ((pc != NULL) && (next != NULL))
   {
      /* Change '[' + ']' into '[]' */
      if ((pc->type == CT_SQUARE_OPEN) && (next->type == CT_SQUARE_CLOSE))
      {
         pc->type = CT_TSQUARE;
         pc->str  = "[]";
         pc->len  = 2;
         chunk_del(next);
         pc->orig_col_end += 1;
         next              = chunk_get_next_ncnl(pc);
      }

      if ((pc->type == CT_DOT) && ((cpd.lang_flags & LANG_ALLC) != 0))
      {
         pc->type = CT_MEMBER;
      }

      /* Determine the version stuff (D only) */
      if (pc->type == CT_VERSION)
      {
         if (next->type == CT_PAREN_OPEN)
         {
            pc->type = CT_IF;
         }
         else
         {
            if (next->type != CT_ASSIGN)
            {
               LOG_FMT(LERR, "%s:%d %s: version: Unexpected token %s\n",
                       cpd.filename, pc->orig_line, __func__, get_token_name(next->type));
               cpd.error_count++;
            }
            pc->type = CT_WORD;
         }
      }

      /**
       * Change CT_BASE before CT_PAREN_OPEN to CT_WORD.
       * public myclass() : base() {
       * }
       */
      if ((pc->type == CT_BASE) && (next->type == CT_PAREN_OPEN))
      {
         pc->type = CT_WORD;
      }

      /**
       * Change CT_WORD after CT_ENUM, CT_UNION, or CT_STRUCT to CT_TYPE
       * Change CT_WORD before CT_WORD to CT_TYPE
       */
      if (next->type == CT_WORD)
      {
         if ((pc->type == CT_ENUM) ||
             (pc->type == CT_UNION) ||
             (pc->type == CT_STRUCT))
         {
            next->type = CT_TYPE;
         }
         if (pc->type == CT_WORD)
         {
            pc->type = CT_TYPE;
         }
      }

      /* change extern to qualifier if extern isn't followed by a string or
       * an open paren
       */
      if (pc->type == CT_EXTERN)
      {
         if (next->type == CT_STRING)
         {
            /* Probably 'extern "C"' */
         }
         else if (next->type == CT_PAREN_OPEN)
         {
            /* Probably 'extern (C)' */
         }
         else
         {
            /* Something else followed by a open brace */
            tmp = chunk_get_next_ncnl(next);
            if ((tmp != NULL) || (tmp->type != CT_BRACE_OPEN))
            {
               pc->type = CT_QUALIFIER;
            }
         }
      }

      /**
       * Change CT_STAR to CT_PTR_TYPE if preceded by CT_TYPE,
       * CT_QUALIFIER, or CT_PTR_TYPE.
       */
      if ((next->type == CT_STAR) &&
          ((pc->type == CT_TYPE) ||
           (pc->type == CT_QUALIFIER) ||
           (pc->type == CT_PTR_TYPE)))
      {
         next->type = CT_PTR_TYPE;
      }

      if ((pc->type == CT_TYPE_CAST) &&
          (next->type == CT_ANGLE_OPEN))
      {
         next->parent_type = CT_TYPE_CAST;
         in_type_cast      = true;
      }

      /**
       * Change angle open/close to CT_COMPARE, if not a template thingy
       */
      if ((pc->type == CT_ANGLE_OPEN) && (pc->parent_type != CT_TYPE_CAST))
      {
         check_template(pc);
      }
      if ((pc->type == CT_ANGLE_CLOSE) && (pc->parent_type != CT_TEMPLATE))
      {
         if (in_type_cast)
         {
            in_type_cast    = false;
            pc->parent_type = CT_TYPE_CAST;
         }
         else
         {
            pc->type = CT_COMPARE;
         }
      }

      if ((cpd.lang_flags & LANG_D) != 0)
      {
         /* Check for the D string concat symbol '~' */
         if ((pc->type == CT_INV) &&
             ((prev->type == CT_STRING) ||
              (prev->type == CT_WORD) ||
              (next->type == CT_STRING)))
         {
            pc->type = CT_CONCAT;
         }

         /* Check for the D template symbol '!' */
         if ((pc->type == CT_NOT) &&
             (prev->type == CT_WORD) &&
             (next->type == CT_PAREN_OPEN))
         {
            pc->type = CT_D_TEMPLATE;
         }
      }

      if ((cpd.lang_flags & LANG_CPP) != 0)
      {
         /* Change Word before '::' into a type */
         if ((pc->type == CT_WORD) && (next->type == CT_DC_MEMBER))
         {
            pc->type = CT_TYPE;
         }
      }

      /* Change get/set to CT_WORD if not followed by a brace open */
      if ((pc->type == CT_GETSET) && (next->type != CT_BRACE_OPEN))
      {
         if ((next->type == CT_SEMICOLON) &&
             ((prev->type == CT_BRACE_CLOSE) ||
              (prev->type == CT_BRACE_OPEN) ||
              (prev->type == CT_SEMICOLON)))
         {
            pc->type          = CT_GETSET_EMPTY;
            next->parent_type = CT_GETSET;
         }
         else
         {
            pc->type = CT_WORD;
         }
      }

      /* Change item after operator (>=, ==, etc) to a CT_OPERATOR_VAL
       * Usually the next item is part of the operator.
       * In a few cases the next few tokens are part of it:
       *  operator +       - common case
       *  operator ()
       *  operator []      - already converted to TSQUARE
       *  operator new []
       *  operator delete []
       *  operator const char *
       *  operator std::allocator<U>
       *
       * In all cases except the last, this will put the entire operator value
       * in one chunk.
       */
      if (pc->type == CT_OPERATOR)
      {
         /* Handle special case of () operator -- [] already handled */
         if (next->type == CT_PAREN_OPEN)
         {
            tmp = chunk_get_next(next);
            if ((tmp != NULL) && (tmp->type == CT_PAREN_CLOSE))
            {
               next->str  = "()";
               next->len  = 2;
               next->type = CT_OPERATOR_VAL;
               chunk_del(tmp);
               next->orig_col_end += 1;
            }
         }
         else if (next->flags & PCF_PUNCTUATOR)
         {
            next->type = CT_OPERATOR_VAL;
         }
         else
         {
            next->type = CT_TYPE;

            /* Replace next with a collection of all tokens that are part of
             * the type.
             */
            char opbuf[256];
            int  len;

            len = snprintf(opbuf, sizeof(opbuf), "%.*s",
                           next->len, next->str);

            tmp2 = next;
            while ((tmp = chunk_get_next(tmp2)) != NULL)
            {
               if ((tmp->type != CT_WORD) &&
                   (tmp->type != CT_TYPE) &&
                   (tmp->type != CT_QUALIFIER) &&
                   (tmp->type != CT_STAR) &&
                   (tmp->type != CT_AMP) &&
                   (tmp->type != CT_TSQUARE))
               {
                  break;
               }
               len += snprintf(opbuf + len, sizeof(opbuf) - len, "%s%.*s",
                               space_needed(tmp2, tmp) ? " " : "",
                               tmp->len, tmp->str);
               tmp2 = tmp;
            }

            while ((tmp2 = chunk_get_next(next)) != tmp)
            {
               chunk_del(tmp2);
            }

            next->str    = strdup(opbuf);
            next->len    = len;
            next->flags |= PCF_OWN_STR;
            next->type   = CT_OPERATOR_VAL;

            next->orig_col_end = next->orig_col + next->len;
         }
         next->parent_type = CT_OPERATOR;

         LOG_FMT(LOPERATOR, "%s: %d:%d operator '%.*s'\n",
                 __func__, pc->orig_line, pc->orig_col,
                 next->len, next->str);
      }

      /* Change private, public, protected into either a qualifier or label */
      if (pc->type == CT_PRIVATE)
      {
         /* Handle Qt slots - maybe should just check for a CT_WORD? */
         if (chunk_is_str(next, "slots", 5))
         {
            tmp = chunk_get_next(next);
            if ((tmp != NULL) && (tmp->type == CT_COLON))
            {
               next = tmp;
            }
         }
         if (next->type == CT_COLON)
         {
            next->type = CT_PRIVATE_COLON;
            if ((tmp = chunk_get_next_ncnl(next)) != NULL)
            {
               tmp->flags |= PCF_STMT_START | PCF_EXPR_START;
            }
         }
         else
         {
            pc->type = chunk_is_str(pc, "signals", 7) ? CT_WORD : CT_QUALIFIER;
         }
      }

      /* Look for <newline> 'EXEC' 'SQL' */
      if (chunk_is_str(pc, "EXEC", 4) && chunk_is_str(next, "SQL", 3))
      {
         tmp = chunk_get_prev(pc);
         if (chunk_is_newline(tmp))
         {
            tmp = chunk_get_next(next);
            if (chunk_is_str_case(tmp, "BEGIN", 5))
            {
               pc->type = CT_SQL_BEGIN;
            }
            else if (chunk_is_str_case(tmp, "END", 3))
            {
               pc->type = CT_SQL_END;
            }
            else
            {
               pc->type = CT_SQL_EXEC;
            }

            /* Change words into CT_SQL_WORD until CT_SEMICOLON */
            while (tmp != NULL)
            {
               if (tmp->type == CT_SEMICOLON)
               {
                  break;
               }
               if ((tmp->len > 0) && isalpha(*tmp->str))
               {
                  tmp->type = CT_SQL_WORD;
               }
               tmp = chunk_get_next_ncnl(tmp);
            }
         }
      }

      /* Detect Objective C class name */
      if ((pc->type == CT_OC_IMPL) ||
          (pc->type == CT_OC_INTF) ||
          (pc->type == CT_OC_PROTOCOL))
      {
         if (next->type != CT_PAREN_OPEN)
         {
            next->type = CT_OC_CLASS;
         }
         next->parent_type = pc->type;

         tmp = chunk_get_next_ncnl(next);
         if (tmp != NULL)
         {
            tmp->flags |= PCF_STMT_START | PCF_EXPR_START;
         }

         tmp = chunk_get_next_type(pc, CT_OC_END, pc->level);
         if (tmp != NULL)
         {
            tmp->parent_type = pc->type;
         }
      }

      /* Detect Objective-C categories and class extensions */
      /* @interface ClassName (CategoryName) */
      /* @implementation ClassName (CategoryName) */
      /* @interface ClassName () */
      /* @implementation ClassName () */
      if (((pc->parent_type == CT_OC_IMPL) ||
           (pc->parent_type == CT_OC_INTF) ||
           (pc->type == CT_OC_CLASS)) &&
          (next->type == CT_PAREN_OPEN))
      {
         next->parent_type = pc->parent_type;

         tmp = chunk_get_next(next);
         if ((tmp != NULL) && (tmp->next != NULL))
         {
            if (tmp->type == CT_PAREN_CLOSE)
            {
               //tmp->type        = CT_OC_CLASS_EXT;
               tmp->parent_type = pc->parent_type;
            }
            else
            {
               tmp->type        = CT_OC_CATEGORY;
               tmp->parent_type = pc->parent_type;
            }
         }

         tmp = chunk_get_next_type(pc, CT_PAREN_CLOSE, pc->level);
         if (tmp != NULL)
         {
            tmp->parent_type = pc->parent_type;
         }
      }

      /**
       * Objective C @dynamic and @synthesize
       *  @dynamic xxx, yyy;
       *  @synthesize xxx, yyy;
       * Just find the semicolon and mark it.
       */
      if (pc->type == CT_OC_DYNAMIC)
      {
         tmp = chunk_get_next_type(pc, CT_SEMICOLON, pc->level);
         if (tmp != NULL)
         {
            tmp->parent_type = pc->type;
         }
      }

      /* Detect Objective C @property
       *  @property NSString *stringProperty;
       *  @property(nonatomic, retain) NSMutableDictionary *shareWith;
       */
      if (pc->type == CT_OC_PROPERTY)
      {
         if (next->type != CT_PAREN_OPEN)
         {
            next->flags |= PCF_STMT_START | PCF_EXPR_START;
         }
         else
         {
            next->parent_type = pc->type;

            tmp = chunk_get_next_type(pc, CT_PAREN_CLOSE, pc->level);
            if (tmp != NULL)
            {
               tmp->parent_type = pc->type;
               tmp = chunk_get_next_ncnl(tmp);
               if (tmp != NULL)
               {
                  tmp->flags |= PCF_STMT_START | PCF_EXPR_START;

                  tmp = chunk_get_next_type(tmp, CT_SEMICOLON, pc->level);
                  if (tmp != NULL)
                  {
                     tmp->parent_type = pc->type;
                  }
               }
            }
         }
      }

      /* Detect Objective C @selector
       *  @selector(msgNameWithNoArg)
       *  @selector(msgNameWith1Arg:)
       *  @selector(msgNameWith2Args:arg2Name:)
       */
      if ((pc->type == CT_OC_SEL) && (next->type == CT_PAREN_OPEN))
      {
         next->parent_type = pc->type;

         tmp = chunk_get_next(next);
         if (tmp != NULL)
         {
            tmp->type        = CT_OC_SEL_NAME;
            tmp->parent_type = pc->type;

            while ((tmp = chunk_get_next_ncnl(tmp)) != NULL)
            {
               if (tmp->type == CT_PAREN_CLOSE)
               {
                  tmp->parent_type = CT_OC_SEL;
                  break;
               }
               tmp->type        = CT_OC_SEL_NAME;
               tmp->parent_type = pc->type;
            }
         }
      }

      /* Mark Objective-C blocks (aka lambdas or closures)
       *  The syntax and usage is exactly like C function pointers with two exceptions:
       *  Instead of an asterisk they have a caret as pointer symbol.
       *  In method declarations which take a block as parameter, there can be anonymous blocks, e.g.: (^)
       *  1. block literal: ^{ ... };
       *  2. block declaration: return_t (^name) (int arg1, int arg2, ...) NB: return_t is optional and name can be optional if found as param in a method declaration.
       *  3. block expression: ^ return_t (int arg) { ... }; NB: return_t is optional
       *
       *  See http://developer.apple.com/mac/library/documentation/Cocoa/Conceptual/Blocks for more info...
       */
      if ((cpd.lang_flags & LANG_OC) &&
          (pc->type == CT_ARITH) &&
          (chunk_is_str(pc, "^", 1)) &&
          (prev->type != CT_NUMBER) &&
          (prev->type != CT_NUMBER_FP))
      {
         /* mark objc blocks caret so that we can process it later*/
         pc->type = CT_OC_BLOCK_CARET;

         if (prev->type == CT_PAREN_OPEN)
         {
            /* block declaration */
            pc->parent_type = CT_OC_BLOCK_TYPE;
         }
         else if ((next->type == CT_PAREN_OPEN) ||
                  (next->type == CT_BRACE_OPEN))
         {
            /* block expression without return type */
            /* block literal */
            pc->parent_type = CT_OC_BLOCK_EXPR;
         }
         else
         {
            /* block expression with return type (seldomly used) */
            if (prev->type == CT_ASSIGN)
            {
               /* shortcut to spare the peeking below
                * the XOR operator wouldn't be used directly
                * after an assign all by itself */
               pc->parent_type = CT_OC_BLOCK_EXPR;
            }
            else
            {
               /* this ones tricky because we don't know how many
                * stars the return type has - if there even is one */
               tmp = pc;
               while ((tmp = chunk_get_next(tmp)) != NULL)
               {
                  /* we just peek ahead and see if the line contains
                   * an open brace somewhere.
                   * FIXME: this check needs to be more thorough. */
                  if (tmp->type == CT_BRACE_OPEN)
                  {
                     pc->parent_type = CT_OC_BLOCK_EXPR;
                     break;
                  }
               }
            }
         }
      }

      /* Handle special preprocessor junk */
      if (pc->type == CT_PREPROC)
      {
         pc->parent_type = next->type;
      }

      /* Detect "pragma region" and "pragma endregion" */
      if ((pc->type == CT_PP_PRAGMA) && (next->type == CT_PREPROC_BODY))
      {
         if ((memcmp(next->str, "region", 6) == 0) ||
             (memcmp(next->str, "endregion", 9) == 0))
         {
            pc->type = (*next->str == 'r') ? CT_PP_REGION : CT_PP_ENDREGION;

            prev->parent_type = pc->type;
         }
      }

      /* Check for C# nullable types '?' is in next */
      if ((cpd.lang_flags & LANG_CS) &&
          (next->type == CT_QUESTION) &&
          (next->orig_col == (pc->orig_col + pc->len)))
      {
         tmp = chunk_get_next_ncnl(next);
         if (tmp != NULL)
         {
            bool doit = ((tmp->type == CT_PAREN_CLOSE) ||
                         (tmp->type == CT_ANGLE_CLOSE));

            if (tmp->type == CT_WORD)
            {
               tmp2 = chunk_get_next_ncnl(tmp);
               if ((tmp2 != NULL) &&
                   ((tmp2->type == CT_SEMICOLON) ||
                    (tmp2->type == CT_ASSIGN) ||
                    (tmp2->type == CT_COMMA)))
               {
                  doit = true;
               }
            }

            if (doit)
            {
               pc->len++;
               chunk_del(next);
               next = tmp;
            }
         }
      }

      /* Convert '>' + '>' into '>>' */
      if ((cpd.lang_flags & LANG_CS) &&
          (pc->type == CT_ANGLE_CLOSE) &&
          (next->type == CT_ANGLE_CLOSE) &&
          (pc->parent_type == CT_NONE) &&
          ((pc->orig_col + pc->len) == next->orig_col) &&
          (next->parent_type == CT_NONE))
      {
         pc->len++;
         pc->type = CT_ARITH;
         tmp      = chunk_get_next_ncnl(next);
         chunk_del(next);
         next = tmp;
      }

      /* Change 'default(' into a sizeof-like statement */
      if ((cpd.lang_flags & LANG_CS) &&
          (pc->type == CT_DEFAULT) &&
          (next->type == CT_PAREN_OPEN))
      {
         pc->type = CT_SIZEOF;
      }

      if ((pc->type == CT_UNSAFE) && (next->type != CT_BRACE_OPEN))
      {
         pc->type = CT_QUALIFIER;
      }

      /* TODO: determine other stuff here */

      prev = pc;
      pc   = next;
      next = chunk_get_next_ncnl(pc);
   }
}
Esempio n. 16
0
/*
 * See also it's preprocessor counterpart
 *   add_long_preprocessor_conditional_block_comment
 * in defines.cpp
 */
void add_long_closebrace_comment(void)
{
   chunk_t *pc;
   chunk_t *tmp;
   chunk_t *br_open;
   chunk_t *br_close;
   chunk_t *fcn_pc = NULL;
   chunk_t *sw_pc  = NULL;
   int     nl_count;

   pc = chunk_get_head();
   while ((pc = chunk_get_next_ncnl(pc)) != NULL)
   {
      if ((pc->type == CT_FUNC_DEF) ||
          (pc->type == CT_OC_MSG_DECL))
      {
         fcn_pc = pc;
      }
      else if (pc->type == CT_SWITCH)
      {
         /* kinda pointless, since it always has the text "switch" */
         sw_pc = pc;
      }
      if ((pc->type != CT_BRACE_OPEN) || ((pc->flags & PCF_IN_PREPROC) != 0))
      {
         continue;
      }

      br_open  = pc;
      nl_count = 0;

      tmp = pc;
      while ((tmp = chunk_get_next(tmp)) != NULL)
      {
         if (chunk_is_newline(tmp))
         {
            nl_count += tmp->nl_count;
         }
         else if ((tmp->level == br_open->level) &&
                  (tmp->type == CT_BRACE_CLOSE))
         {
            br_close = tmp;

            //LOG_FMT(LSYS, "found brace pair on lines %d and %d, nl_count=%d\n",
            //        br_open->orig_line, br_close->orig_line, nl_count);

            /* Found the matching close brace - make sure a newline is next */
            tmp = chunk_get_next(tmp);
            if ((tmp == NULL) || chunk_is_newline(tmp))
            {
               int     nl_min  = 0;
               chunk_t *tag_pc = NULL;

               if (br_open->parent_type == CT_SWITCH)
               {
                  nl_min = cpd.settings[UO_mod_add_long_switch_closebrace_comment].n;
                  tag_pc = sw_pc;
               }
               else if ((br_open->parent_type == CT_FUNC_DEF) ||
                        (br_open->parent_type == CT_OC_MSG_DECL))
               {
                  nl_min = cpd.settings[UO_mod_add_long_function_closebrace_comment].n;
                  tag_pc = fcn_pc;
               }

               if ((nl_min > 0) && (nl_count >= nl_min) && (tag_pc != NULL))
               {
                  /* determine the added comment style */
                  c_token_t style = (cpd.lang_flags & (LANG_CPP | LANG_CS)) ?
                                    CT_COMMENT_CPP : CT_COMMENT;

                  /* Add a comment after the close brace */
                  insert_comment_after(br_close, style, tag_pc->str);
               }
            }
            break;
         }
      }
   }
}
Esempio n. 17
0
/**
 * Marches through the whole file and checks to see how many spaces should be
 * between two chunks
 */
void space_text(void)
{
   chunk_t *pc;
   chunk_t *next;
   chunk_t *tmp;
   int     column, prev_column;
   int     delta;

   pc = chunk_get_head();
   if (pc == NULL)
   {
      return;
   }
   column = pc->column;
   while (pc != NULL)
   {
      next = chunk_get_next(pc);
      if (next == NULL)
      {
         break;
      }

      /* If the current chunk contains a newline, do not change the column
       * of the next item */
      if ((pc->type == CT_NEWLINE) ||
          (pc->type == CT_NL_CONT) ||
          (pc->type == CT_COMMENT_MULTI))
      {
         column = next->column;
      }
      else
      {
         /* Set to the minimum allowed column */
         if (pc->nl_count == 0)
         {
            column += pc->len;
         }
         else
         {
            column = pc->orig_col_end;
         }
         prev_column = column;

         /**
          * Apply a general safety check
          * If the two chunks combined will tokenize differently, then we
          * must force a space.
          * Two chunks -- "()" and "[]" will always tokenize differently.
          * They are always safe to not have a space after them.
          */
         pc->flags &= ~PCF_FORCE_SPACE;
         if ((pc->len > 0) &&
             !chunk_is_str(pc, "[]", 2) &&
             !chunk_is_str(pc, "()", 2))
         {
            /* Find the next non-empty chunk on this line */
            tmp = next;
            while ((tmp != NULL) && (tmp->len == 0) && !chunk_is_newline(tmp))
            {
               tmp = chunk_get_next(tmp);
            }
            if ((tmp != NULL) && (tmp->len > 0))
            {
               bool kw1 = CharTable::IsKw2(pc->str[pc->len - 1]);
               bool kw2 = CharTable::IsKw1(next->str[0]);
               if (kw1 && kw2)
               {
                  /* back-to-back words need a space */
                  pc->flags |= PCF_FORCE_SPACE;
               }
               else if (!kw1 && !kw2 && (pc->len < 4) && (next->len < 4))
               {
                  /* We aren't dealing with keywords. concat and try punctuators */
                  char buf[9];
                  memcpy(buf, pc->str, pc->len);
                  memcpy(buf + pc->len, next->str, next->len);
                  buf[pc->len + next->len] = 0;

                  const chunk_tag_t *ct;
                  ct = find_punctuator(buf, cpd.lang_flags);
                  if ((ct != NULL) && ((int)strlen(ct->tag) != pc->len))
                  {
                     /* punctuator parsed to a different size.. */
                     pc->flags |= PCF_FORCE_SPACE;
                  }
               }
            }
         }

         int av = do_space(pc, next, false);
         if (pc->flags & PCF_FORCE_SPACE)
         {
            LOG_FMT(LSPACE, "Forcing space between '%.*s' and '%.*s'\n",
                    pc->len, pc->str, next->len, next->str);
            av |= AV_ADD;
         }
         switch (av)
         {
         case AV_FORCE:
            /* add exactly one space */
            column++;
            break;

         case AV_ADD:
            delta = 1;
            if ((next->orig_col >= pc->orig_col_end) && (pc->orig_col_end != 0))
            {
               /* Keep the same relative spacing, minimum 1 */
               delta = next->orig_col - pc->orig_col_end;
               if (delta < 1)
               {
                  delta = 1;
               }
            }
            column += delta;
            break;

         case AV_REMOVE:
            /* the symbols will be back-to-back "a+3" */
            break;

         default:
            /* Keep the same relative spacing, if possible */
            if ((next->orig_col >= pc->orig_col_end) && (pc->orig_col_end != 0))
            {
               column += next->orig_col - pc->orig_col_end;
            }
            break;
         }

         if (chunk_is_comment(next) &&
             chunk_is_newline(chunk_get_next(next)) &&
             (column < (int)next->orig_col))
         {
            if ((cpd.settings[UO_sp_endif_cmt].a == AV_IGNORE) ||
                ((pc->type != CT_PP_ELSE) && (pc->type != CT_PP_ENDIF)))
            {
               if (cpd.settings[UO_indent_relative_single_line_comments].b)
               {
                  column = pc->column + (next->orig_col - pc->orig_col_end);
               }
               else
               {
                  column = next->orig_col;
               }
            }
         }
         next->column = column;

         LOG_FMT(LSPACE, " = %s @ %d\n",
                 (av == AV_IGNORE) ? "IGNORE" :
                 (av == AV_ADD) ? "ADD" :
                 (av == AV_REMOVE) ? "REMOVE" : "FORCE",
                 column - prev_column);
      }

      pc = next;
   }
}
Esempio n. 18
0
static void add_msg_header(c_token_t type, file_mem& fm)
{
   chunk_t *pc;
   chunk_t *ref;
   chunk_t *tmp;
   bool    do_insert;

   for (pc = chunk_get_head(); pc != NULL; pc = chunk_get_next_ncnlnp(pc))
   {
      if (pc->type != type)
      {
         continue;
      }

      do_insert = false;

      /* On a function proto or def. Back up to a close brace or semicolon on
       * the same level
       */
      ref = pc;
      while ((ref = chunk_get_prev(ref)) != NULL)
      {
         /* ignore the CT_TYPE token that is the result type */
         if ((ref->level != pc->level) &&
             ((ref->type == CT_TYPE) ||
              (ref->type == CT_PTR_TYPE)))
         {
            continue;
         }

         if ((ref->level != pc->level) && (ref->type == CT_OC_CATEGORY))
         {
            ref = chunk_get_next_ncnl(ref);
            if (ref)
            {
               do_insert = true;
            }
            break;
         }

         /* Bail if we change level or find an access specifier colon */
         if ((ref->level != pc->level) || (ref->type == CT_PRIVATE_COLON))
         {
            do_insert = true;
            break;
         }

         /* If we hit an angle close, back up to the angle open */
         if (ref->type == CT_ANGLE_CLOSE)
         {
            ref = chunk_get_prev_type(ref, CT_ANGLE_OPEN, ref->level, CNAV_PREPROC);
            continue;
         }

         /* Bail if we hit a preprocessor and cmt_insert_before_preproc is false */
         if (ref->flags & PCF_IN_PREPROC)
         {
            tmp = chunk_get_prev_type(ref, CT_PREPROC, ref->level);
            if ((tmp != NULL) && (tmp->parent_type == CT_PP_IF))
            {
               tmp = chunk_get_prev_nnl(tmp);
               if (chunk_is_comment(tmp) &&
                   !cpd.settings[UO_cmt_insert_before_preproc].b)
               {
                  break;
               }
            }
         }

         /* Ignore 'right' comments */
         if (chunk_is_comment(ref) && chunk_is_newline(chunk_get_prev(ref)))
         {
            break;
         }

         if ((ref->level == pc->level) &&
             ((ref->flags & PCF_IN_PREPROC) ||
              (ref->type == CT_SEMICOLON) ||
              (ref->type == CT_BRACE_CLOSE) ||
              (ref->type == CT_OC_CLASS)))
         {
            do_insert = true;
            break;
         }
      }

      if (do_insert)
      {
         /* Insert between after and ref */
         chunk_t *after = chunk_get_next_ncnl(ref);
         tokenize(fm.data, after);
         for (tmp = chunk_get_next(ref); tmp != after; tmp = chunk_get_next(tmp))
         {
            tmp->level = after->level;
         }
      }
   }
}
Esempio n. 19
0
static void try_split_here(cw_entry &ent, chunk_t *pc)
{
   LOG_FUNC_ENTRY();

   LOG_FMT(LSPLIT, "%s(%d): at %s, orig_col=%zu\n", __func__, __LINE__, pc->text(), pc->orig_col);
   size_t pc_pri = get_split_pri(pc->type);
   LOG_FMT(LSPLIT, "%s(%d): pc_pri=%zu\n", __func__, __LINE__, pc_pri);
   if (pc_pri == 0)
   {
      LOG_FMT(LSPLIT, "%s(%d): pc_pri is 0, return\n", __func__, __LINE__);
      return;
   }

   LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
   // Can't split after a newline
   chunk_t *prev = chunk_get_prev(pc);
   if (  prev == nullptr
      || (chunk_is_newline(prev) && pc->type != CT_STRING))
   {
      if (prev != nullptr)
      {
         LOG_FMT(LSPLIT, "%s(%d): Can't split after a newline, orig_line=%zu, return\n",
                 __func__, __LINE__, prev->orig_line);
      }
      return;
   }

   LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
   // Can't split a function without arguments
   if (pc->type == CT_FPAREN_OPEN)
   {
      chunk_t *next = chunk_get_next(pc);
      if (next->type == CT_FPAREN_CLOSE)
      {
         LOG_FMT(LSPLIT, "%s(%d): Can't split a function without arguments, return\n", __func__, __LINE__);
         return;
      }
   }

   LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
   // Only split concatenated strings
   if (pc->type == CT_STRING)
   {
      chunk_t *next = chunk_get_next(pc);
      if (next->type != CT_STRING)
      {
         LOG_FMT(LSPLIT, "%s(%d): Only split concatenated strings, return\n", __func__, __LINE__);
         return;
      }
   }

   LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
   // keep common groupings unless ls_code_width
   if (!cpd.settings[UO_ls_code_width].b && pc_pri >= 20)
   {
      LOG_FMT(LSPLIT, "%s(%d): keep common groupings unless ls_code_width, return\n", __func__, __LINE__);
      return;
   }

   LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
   // don't break after last term of a qualified type
   if (pc_pri == 25)
   {
      chunk_t *next = chunk_get_next(pc);
      if (next->type != CT_WORD && (get_split_pri(next->type) != 25))
      {
         LOG_FMT(LSPLIT, "%s(%d): don't break after last term of a qualified type, return\n", __func__, __LINE__);
         return;
      }
   }

   LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
   // Check levels first
   bool change = false;
   if (ent.pc == nullptr || pc->level < ent.pc->level)
   {
      LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
      change = true;
   }
   else
   {
      if (pc->level >= ent.pc->level && pc_pri < ent.pri)
      {
         LOG_FMT(LSPLIT, "%s(%d):\n", __func__, __LINE__);
         change = true;
      }
   }

   LOG_FMT(LSPLIT, "%s(%d): change is %s\n", __func__, __LINE__, change ? "TRUE" : "FALSE");
   if (change)
   {
      LOG_FMT(LSPLIT, "%s(%d): do the change\n", __func__, __LINE__);
      ent.pc  = pc;
      ent.pri = pc_pri;
   }
} // try_split_here
Esempio n. 20
0
/**
 * Adds an entry to the appropriate stack.
 *
 * @param pc      The chunk
 * @param seqnum  Optional seqnum (0=assign one)
 */
void AlignStack::Add(chunk_t *start, int seqnum)
{
   /* Assign a seqnum if needed */
   if (seqnum == 0)
   {
      seqnum = m_seqnum;
   }

   chunk_t *ali;
   chunk_t *ref;
   chunk_t *tmp;
   chunk_t *prev;
   chunk_t *next;

   int col_adj = 0;  /* Amount the column is shifted for 'dangle' mode */
   int tmp_col;
   int endcol;
   int gap;

   m_last_added = 0;

   /* Check threshold limits */
   if ((m_max_col == 0) || (m_thresh == 0) ||
       (((start->column + m_gap) <= (m_max_col + m_thresh)) &&
        (((start->column + m_gap) >= (m_max_col - m_thresh)) ||
         (start->column >= m_min_col))))
   {
      /* we are adding it, so update the newline seqnum */
      if (seqnum > m_nl_seqnum)
      {
         m_nl_seqnum = seqnum;
      }

      /**
       * 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.
       */

      if (cpd.settings[UO_align_on_tabstop].b && (m_star_style == SS_DANGLE))
      {
         m_star_style = SS_INCLUDE;
      }

      /* Find ref. Back up to the real item that is aligned. */
      prev = start;
      while (((prev = chunk_get_prev(prev)) != NULL) &&
             (chunk_is_star(prev) ||
              chunk_is_addr(prev) ||
              (prev->type == CT_TPAREN_OPEN)))
      {
         /* do nothing - we want prev when this exits */
      }
      ref = prev;
      if (chunk_is_newline(ref))
      {
         ref = chunk_get_next(ref);
      }

      /* Find the item that we are going to align. */
      ali = start;
      if (m_star_style != SS_IGNORE)
      {
         /* back up to the first '*' preceding the token */
         prev = chunk_get_prev(ali);
         while (chunk_is_star(prev))
         {
            ali  = prev;
            prev = chunk_get_prev(ali);
         }
         if (chunk_is_token(prev, CT_TPAREN_OPEN))
         {
            ali  = prev;
            prev = chunk_get_prev(ali);
         }
      }
      if (m_amp_style != SS_IGNORE)
      {
         /* back up to the first '&' preceding the token */
         prev = chunk_get_prev(ali);
         while (chunk_is_addr(prev))
         {
            ali  = prev;
            prev = chunk_get_prev(ali);
         }
      }

      /* Tighten down the spacing between ref and start */
      if (!cpd.settings[UO_align_keep_extra_space].b)
      {
          tmp_col = ref->column;
          tmp     = ref;
          while (tmp != start)
          {
              next     = chunk_get_next(tmp);
              tmp_col += space_col_align(tmp, next);
              if (next->column != tmp_col)
              {
                  align_to_column(next, tmp_col);
              }
              tmp = next;
          }
      }

      /* Set the column adjust and gap */
      col_adj = 0;
      gap     = 0;
      if (ref != ali)
      {
         gap = ali->column - (ref->column + ref->len());
      }
      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)))
      {
         col_adj = start->column - ali->column;
         gap     = start->column - (ref->column + ref->len());
      }

      /* See if this pushes out the max_col */
      endcol = ali->column + col_adj;
      if (gap < m_gap)
      {
         endcol += m_gap - gap;
      }

      // LOG_FMT(LSYS, "[%p] line %d pc='%s' [%s] col:%d ali='%s' [%s] col:%d ref='%s' [%s] col:%d  col_adj=%d  endcol=%d, ss=%d as=%d, gap=%d\n",
      //         this,
      //         start->orig_line,
      //         start->str.c_str(), get_token_name(start->type), start->column,
      //         ali->str.c_str(), get_token_name(ali->type), ali->column,
      //         ref->str.c_str(), get_token_name(ref->type), ref->column,
      //         col_adj, endcol, m_star_style, m_amp_style, gap);

      ali->align.col_adj = col_adj;
      ali->align.ref     = ref;
      ali->align.start   = start;
      m_aligned.Push_Back(ali, seqnum);
      m_last_added = 1;

      LOG_FMT(LAS, "Add-[%s]: line %d, col %d, adj %d : ref=[%s] endcol=%d\n",
              ali->str.c_str(), ali->orig_line, ali->column, ali->align.col_adj,
              ref->str.c_str(), endcol);

      if (m_min_col > endcol)
      {
         m_min_col = endcol;
      }

      if (endcol > m_max_col)
      {
         LOG_FMT(LAS, "Add-aligned [%d/%d/%d]: line %d, col %d : max_col old %d, new %d - min_col %d\n",
                 seqnum, m_nl_seqnum, m_seqnum,
                 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, "Add-aligned [%d/%d/%d]: line %d, col %d : col %d <= %d - min_col %d\n",
                 seqnum, m_nl_seqnum, m_seqnum,
                 ali->orig_line, ali->column, endcol, m_max_col, 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, "Add-skipped [%d/%d/%d]: line %d, col %d <= %d + %d\n",
              seqnum, m_nl_seqnum, m_seqnum,
              start->orig_line, start->column, m_max_col, m_thresh);
   }
}
Esempio n. 21
0
static void split_fcn_params(chunk_t *start)
{
   LOG_FUNC_ENTRY();
   LOG_FMT(LSPLIT, "%s(%d): '%s'\n", __func__, __LINE__, start->text());

   // Find the opening function parenthesis
   chunk_t *fpo = start;
   LOG_FMT(LSPLIT, "%s(%d): Find the opening function parenthesis\n", __func__, __LINE__);
   while (  ((fpo = chunk_get_prev(fpo)) != nullptr)
         && fpo->type != CT_FPAREN_OPEN)
   {
      // do nothing
      LOG_FMT(LSPLIT, "%s(%d): '%s', orig_col is %zu, level is %zu\n",
              __func__, __LINE__, fpo->text(), fpo->orig_col, fpo->level);
   }

   chunk_t *pc     = chunk_get_next_ncnl(fpo);
   size_t  min_col = pc->column;

   LOG_FMT(LSPLIT, "    mincol is %zu, max_width is %zu\n",
           min_col, cpd.settings[UO_code_width].u - min_col);

   int cur_width = 0;
   int last_col  = -1;
   LOG_FMT(LSPLIT, "%s(%d):look forward until CT_COMMA or CT_FPAREN_CLOSE\n", __func__, __LINE__);
   while (pc != nullptr)
   {
      LOG_FMT(LSPLIT, "%s(%d): pc->text() '%s', type is %s\n",
              __func__, __LINE__, pc->text(), get_token_name(pc->type));
      if (chunk_is_newline(pc))
      {
         cur_width = 0;
         last_col  = -1;
      }
      else
      {
         if (last_col < 0)
         {
            last_col = pc->column;
            LOG_FMT(LSPLIT, "%s(%d): last_col is %d\n",
                    __func__, __LINE__, last_col);
         }
         cur_width += (pc->column - last_col) + pc->len();
         last_col   = pc->column + pc->len();

         LOG_FMT(LSPLIT, "%s(%d): last_col is %d\n",
                 __func__, __LINE__, last_col);
         if (pc->type == CT_COMMA || pc->type == CT_FPAREN_CLOSE)
         {
            cur_width--;
            LOG_FMT(LSPLIT, "%s(%d): cur_width is %d\n",
                    __func__, __LINE__, cur_width);
            if (  ((last_col - 1) > static_cast<int>(cpd.settings[UO_code_width].u))
               || pc->type == CT_FPAREN_CLOSE)
            {
               break;
            }
         }
      }
      pc = chunk_get_next(pc);
   }

   // back up until the prev is a comma
   chunk_t *prev = pc;
   LOG_FMT(LSPLIT, "  %s(%d): back up until the prev is a comma\n", __func__, __LINE__);
   while ((prev = chunk_get_prev(prev)) != nullptr)
   {
      LOG_FMT(LSPLIT, "%s(%d): pc '%s', pc->level is %zu, prev '%s', prev->type is %s\n",
              __func__, __LINE__, pc->text(), pc->level, prev->text(), get_token_name(prev->type));
      if (chunk_is_newline(prev) || prev->type == CT_COMMA)
      {
         LOG_FMT(LSPLIT, "%s(%d): found at %zu\n",
                 __func__, __LINE__, prev->orig_col);
         break;
      }
      LOG_FMT(LSPLIT, "%s(%d): last_col is %d\n",
              __func__, __LINE__, last_col);
      last_col -= pc->len();
      LOG_FMT(LSPLIT, "%s(%d): last_col is %d\n",
              __func__, __LINE__, last_col);
      if (prev->type == CT_FPAREN_OPEN)
      {
         pc = chunk_get_next(prev);
         if (!cpd.settings[UO_indent_paren_nl].b)
         {
            min_col = pc->brace_level * cpd.settings[UO_indent_columns].u + 1;
            LOG_FMT(LSPLIT, "%s(%d): min_col is %zu\n",
                    __func__, __LINE__, min_col);
            if (cpd.settings[UO_indent_continue].n == 0)
            {
               min_col += cpd.settings[UO_indent_columns].u;
            }
            else
            {
               min_col += abs(cpd.settings[UO_indent_continue].n);
            }
            LOG_FMT(LSPLIT, "%s(%d): min_col is %zu\n",
                    __func__, __LINE__, min_col);
         }

         // Don't split "()"
         if (pc->type != c_token_t(prev->type + 1))
         {
            break;
         }
      }
   }
   if (prev != nullptr && !chunk_is_newline(prev))
   {
      LOG_FMT(LSPLIT, "%s(%d): -- ended on [%s] --\n",
              __func__, __LINE__, get_token_name(prev->type));
      LOG_FMT(LSPLIT, "%s(%d): min_col is %zu\n",
              __func__, __LINE__, min_col);
      pc = chunk_get_next(prev);
      newline_add_before(pc);
      reindent_line(pc, min_col);
      cpd.changes++;
   }
} // split_fcn_params
Esempio n. 22
0
void do_braces(void)
{
   LOG_FUNC_ENTRY();
   if (cpd.settings[UO_mod_full_brace_if_chain].b
       || cpd.settings[UO_mod_full_brace_if_chain_only].b)
   {
      mod_full_brace_if_chain();
   }

   if ((cpd.settings[UO_mod_full_brace_if].a |
        cpd.settings[UO_mod_full_brace_do].a |
        cpd.settings[UO_mod_full_brace_for].a |
        cpd.settings[UO_mod_full_brace_using].a |
        cpd.settings[UO_mod_full_brace_while].a) & AV_REMOVE)
   {
      examine_braces();
   }

   /* convert vbraces if needed */
   if ((cpd.settings[UO_mod_full_brace_if].a |
        cpd.settings[UO_mod_full_brace_do].a |
        cpd.settings[UO_mod_full_brace_for].a |
        cpd.settings[UO_mod_full_brace_function].a |
        cpd.settings[UO_mod_full_brace_using].a |
        cpd.settings[UO_mod_full_brace_while].a) & AV_ADD)
   {
      convert_vbrace_to_brace();
   }

   /* Mark one-liners */
   chunk_t *pc = chunk_get_head();
   while ((pc = chunk_get_next_ncnl(pc)) != NULL)
   {
      if ((pc->type != CT_BRACE_OPEN) &&
          (pc->type != CT_VBRACE_OPEN))
      {
         continue;
      }
      chunk_t   *br_open = pc;
      c_token_t brc_type = c_token_t(pc->type + 1);

      /* Detect empty bodies */
      chunk_t *tmp = chunk_get_next_ncnl(pc);
      if ((tmp != NULL) && (tmp->type == brc_type))
      {
         chunk_flags_set(br_open, PCF_EMPTY_BODY);
         chunk_flags_set(tmp, PCF_EMPTY_BODY);
      }

      /* Scan for the brace close or a newline */
      tmp = br_open;
      while ((tmp = chunk_get_next_nc(tmp)) != NULL)
      {
         if (chunk_is_newline(tmp))
         {
            break;
         }
         if ((tmp->type == brc_type) && (br_open->level == tmp->level))
         {
            flag_series(br_open, tmp, PCF_ONE_LINER);
            break;
         }
      }
   }

   if (cpd.settings[UO_mod_case_brace].a != AV_IGNORE)
   {
      mod_case_brace();
   }
   if (cpd.settings[UO_mod_move_case_break].b)
   {
      move_case_break();
   }
} // do_braces
Esempio n. 23
0
/**
 * Checks to see if pc is a better spot to split.
 * This should only be called going BACKWARDS (ie prev)
 * A lower level wins
 *
 * Splitting Preference:
 *  - semicolon
 *  - comma
 *  - boolean op
 *  - comparison
 *  - arithmetic op
 *  - assignment
 *  - concatenated strings
 *  - ? :
 *  - function open paren not followed by close paren
 */
static void try_split_here(cw_entry &ent, chunk_t *pc)
{
   LOG_FUNC_ENTRY();
   chunk_t *next;
   chunk_t *prev;
   int     pc_pri = get_split_pri(pc->type);

   if (pc_pri == 0)
   {
      return;
   }

   /* Can't split after a newline */
   prev = chunk_get_prev(pc);
   if ((prev == NULL) || (chunk_is_newline(prev) && (pc->type != CT_STRING)))
   {
      return;
   }

   /* Can't split a function without arguments */
   if (pc->type == CT_FPAREN_OPEN)
   {
      next = chunk_get_next(pc);
      if (next->type == CT_FPAREN_CLOSE)
      {
         return;
      }
   }

   /* Only split concatenated strings */
   if (pc->type == CT_STRING)
   {
      next = chunk_get_next(pc);
      if (next->type != CT_STRING)
      {
         return;
      }
   }

   /* keep common groupings unless ls_code_width */
   if (!cpd.settings[UO_ls_code_width].b && (pc_pri >= 20))
   {
      return;
   }

   /* don't break after last term of a qualified type */
   if (pc_pri == 25)
   {
      next = chunk_get_next(pc);
      if ((next->type != CT_WORD) && (get_split_pri(next->type) != 25))
      {
         return;
      }
   }

   /* Check levels first */
   bool change = false;
   if ((ent.pc == NULL) || (pc->level < ent.pc->level))
   {
      change = true;
   }
   else
   {
      if ((pc->level >= ent.pc->level) &&
          (pc_pri < ent.pri))
      {
         change = true;
      }
   }

   if (change)
   {
      ent.pc  = pc;
      ent.pri = pc_pri;
   }
} // try_split_here
Esempio n. 24
0
static bool can_remove_braces(chunk_t *bopen)
{
   LOG_FUNC_ENTRY();

   chunk_t *prev      = NULL;
   size_t  semi_count = 0;
   size_t  level      = bopen->level + 1;
   bool    hit_semi   = false;
   bool    was_fcn    = false;
   size_t  nl_max     = cpd.settings[UO_mod_full_brace_nl].u;
   size_t  nl_count   = 0;
   size_t  if_count   = 0;
   int     br_count   = 0;

   /* Cannot remove braces inside a preprocessor */
   if (bopen->flags & PCF_IN_PREPROC)
   {
      return(false);
   }
   chunk_t *pc = chunk_get_next_ncnl(bopen, CNAV_PREPROC);
   if ((pc != NULL) && (pc->type == CT_BRACE_CLOSE))
   {
      /* Can't remove empty statement */
      return(false);
   }

   LOG_FMT(LBRDEL, "%s: start on %zu : ", __func__, bopen->orig_line);

   pc = chunk_get_next_nc(bopen, CNAV_ALL);
   while ((pc != NULL) && (pc->level >= level))
   {
      if (pc->flags & PCF_IN_PREPROC)
      {
         /* Cannot remove braces that contain a preprocessor */
         return(false);
      }

      if (chunk_is_newline(pc))
      {
         nl_count += pc->nl_count;
         if ((nl_max > 0) && (nl_count > nl_max))
         {
            LOG_FMT(LBRDEL, " exceeded %zu newlines\n", nl_max);
            return(false);
         }
      }
      else
      {
         if (pc->type == CT_BRACE_OPEN)
         {
            br_count++;
         }
         else if (pc->type == CT_BRACE_CLOSE)
         {
            br_count--;
         }
         else if ((pc->type == CT_IF) || (pc->type == CT_ELSEIF))
         {
            if (br_count == 0)
            {
               if_count++;
            }
         }

         if (pc->level == level)
         {
            if ((semi_count > 0) && hit_semi)
            {
               /* should have bailed due to close brace level drop */
               LOG_FMT(LBRDEL, " no close brace\n");
               return(false);
            }

            LOG_FMT(LBRDEL, " [%s %zu-%zu]", pc->text(), pc->orig_line, semi_count);

            if (pc->type == CT_ELSE)
            {
               LOG_FMT(LBRDEL, " bailed on %s on line %zu\n",
                       pc->text(), pc->orig_line);
               return(false);
            }

            was_fcn = (prev != NULL) && (prev->type == CT_FPAREN_CLOSE);

            if (chunk_is_semicolon(pc) ||
                (pc->type == CT_IF) ||
                (pc->type == CT_ELSEIF) ||
                (pc->type == CT_FOR) ||
                (pc->type == CT_DO) ||
                (pc->type == CT_WHILE) ||
                (pc->type == CT_USING_STMT) ||
                ((pc->type == CT_BRACE_OPEN) && was_fcn))
            {
               hit_semi |= chunk_is_semicolon(pc);
               if (++semi_count > 1)
               {
                  LOG_FMT(LBRDEL, " bailed on %zu because of %s on line %zu\n",
                          bopen->orig_line, pc->text(), pc->orig_line);
                  return(false);
               }
            }
         }
      }
      prev = pc;
      pc   = chunk_get_next_nc(pc);
   }

   if (pc == NULL)
   {
      LOG_FMT(LBRDEL, " NULL\n");
      return(false);
   }

   if ((pc->type == CT_BRACE_CLOSE) && (pc->parent_type == CT_IF))
   {
      chunk_t *next = chunk_get_next_ncnl(pc, CNAV_PREPROC);

      prev = chunk_get_prev_ncnl(pc, CNAV_PREPROC);

      if ((next != NULL) && (next->type == CT_ELSE) &&
          ((prev->type == CT_BRACE_CLOSE) || (prev->type == CT_VBRACE_CLOSE)) &&
          (prev->parent_type == CT_IF))
      {
         LOG_FMT(LBRDEL, " - bailed on '%s'[%s] on line %zu due to 'if' and 'else' sequence\n",
                 get_token_name(pc->type), get_token_name(pc->parent_type),
                 pc->orig_line);
         return(false);
      }
   }

   LOG_FMT(LBRDEL, " - end on '%s' on line %zu. if_count=%zu semi_count=%zu\n",
           get_token_name(pc->type), pc->orig_line, if_count, semi_count);

   return((pc->type == CT_BRACE_CLOSE) && (pc->pp_level == bopen->pp_level));
} // can_remove_braces
Esempio n. 25
0
/**
 * Figures out where to split a function def/proto/call
 *
 * For fcn protos and defs. Also fcn calls where level == brace_level:
 *   - find the open fparen
 *     + if it doesn't have a newline right after it
 *       * see if all parameters will fit individually after the paren
 *       * if not, throw a newline after the open paren & return
 *   - scan backwards to the open fparen or comma
 *     + if there isn't a newline after that item, add one & return
 *     + otherwise, add a newline before the start token
 *
 * @param start   the offending token
 * @return        the token that should have a newline
 *                inserted before it
 */
static void split_fcn_params(chunk_t *start)
{
   LOG_FUNC_ENTRY();
   LOG_FMT(LSPLIT, "  %s: ", __func__);

   chunk_t *prev;
   chunk_t *fpo;
   chunk_t *pc;
   int     cur_width = 0;
   int     last_col  = -1;
   int     min_col;

   /* Find the opening fparen */
   fpo = start;
   while (((fpo = chunk_get_prev(fpo)) != NULL) &&
          (fpo->type != CT_FPAREN_OPEN))
   {
      /* do nothing */
   }

   pc      = chunk_get_next_ncnl(fpo);
   min_col = pc->column;

   LOG_FMT(LSPLIT, " mincol=%d, max_width=%d ",
           min_col, cpd.settings[UO_code_width].n - min_col);

   while (pc != NULL)
   {
      if (chunk_is_newline(pc))
      {
         cur_width = 0;
         last_col  = -1;
      }
      else
      {
         if (last_col < 0)
         {
            last_col = pc->column;
         }
         cur_width += (pc->column - last_col) + pc->len();
         last_col   = pc->column + pc->len();

         if ((pc->type == CT_COMMA) ||
             (pc->type == CT_FPAREN_CLOSE))
         {
            cur_width--;
            LOG_FMT(LSPLIT, " width=%d ", cur_width);
            if (((last_col - 1) > cpd.settings[UO_code_width].n) ||
                (pc->type == CT_FPAREN_CLOSE))
            {
               break;
            }
         }
      }
      pc = chunk_get_next(pc);
   }

   /* back up until the prev is a comma */
   prev = pc;
   while ((prev = chunk_get_prev(prev)) != NULL)
   {
      if (chunk_is_newline(prev) || (prev->type == CT_COMMA))
      {
         break;
      }
      last_col -= pc->len();
      if (prev->type == CT_FPAREN_OPEN)
      {
         pc = chunk_get_next(prev);
         if (!cpd.settings[UO_indent_paren_nl].b)
         {
            min_col = pc->brace_level * cpd.settings[UO_indent_columns].n + 1;
            if (cpd.settings[UO_indent_continue].n == 0)
            {
               min_col += cpd.settings[UO_indent_columns].n;
            }
            else
            {
               min_col += abs(cpd.settings[UO_indent_continue].n);
            }
         }
         /* Don't split "()" */
         if (pc->type != c_token_t(prev->type + 1))
         {
            break;
         }
      }
   }
   if ((prev != NULL) && !chunk_is_newline(prev))
   {
      LOG_FMT(LSPLIT, " -- ended on [%s] --\n", get_token_name(prev->type));
      pc = chunk_get_next(prev);
      newline_add_before(pc);
      reindent_line(pc, min_col);
      cpd.changes++;
   }
} // split_fcn_params
Esempio n. 26
0
static void examine_brace(chunk_t *bopen)
{
   LOG_FUNC_ENTRY();
   chunk_t *next;
   chunk_t *prev      = NULL;
   size_t  semi_count = 0;
   size_t  level      = bopen->level + 1;
   bool    hit_semi   = false;
   bool    was_fcn    = false;
   size_t  nl_max     = cpd.settings[UO_mod_full_brace_nl].u;
   size_t  nl_count   = 0;
   size_t  if_count   = 0;
   int     br_count   = 0;

   LOG_FMT(LBRDEL, "%s: start on %zu : ", __func__, bopen->orig_line);

   chunk_t *pc = chunk_get_next_nc(bopen);
   while ((pc != NULL) && (pc->level >= level))
   {
      if (pc->flags & PCF_IN_PREPROC)
      {
         LOG_FMT(LBRDEL, " PREPROC\n");
         return;
      }

      if (chunk_is_newline(pc))
      {
         nl_count += pc->nl_count;
         if ((nl_max > 0) && (nl_count > nl_max))
         {
            LOG_FMT(LBRDEL, " exceeded %zu newlines\n", nl_max);
            return;
         }
      }
      else
      {
         if (pc->type == CT_BRACE_OPEN)
         {
            br_count++;
         }
         else if (pc->type == CT_BRACE_CLOSE)
         {
            br_count--;
            if (br_count == 0)
            {
               next = chunk_get_next_ncnl(pc, CNAV_PREPROC);
               if ((next == NULL) || (next->type != CT_BRACE_CLOSE))
               {
                  LOG_FMT(LBRDEL, " junk after close brace\n");
                  return;
               }
            }
         }
         else if ((pc->type == CT_IF) || (pc->type == CT_ELSEIF))
         {
            if (br_count == 0)
            {
               if_count++;
            }
         }

         if (pc->level == level)
         {
            if ((semi_count > 0) && hit_semi)
            {
               /* should have bailed due to close brace level drop */
               LOG_FMT(LBRDEL, " no close brace\n");
               return;
            }

            LOG_FMT(LBRDEL, " [%s %zu-%zu]", pc->text(), pc->orig_line, semi_count);

            if (pc->type == CT_ELSE)
            {
               LOG_FMT(LBRDEL, " bailed on %s on line %zu\n",
                       pc->text(), pc->orig_line);
               return;
            }

            was_fcn = (prev != NULL) && (prev->type == CT_FPAREN_CLOSE);

            if (chunk_is_semicolon(pc) ||
                (pc->type == CT_IF) ||
                (pc->type == CT_ELSEIF) ||
                (pc->type == CT_FOR) ||
                (pc->type == CT_DO) ||
                (pc->type == CT_WHILE) ||
                (pc->type == CT_SWITCH) ||
                (pc->type == CT_USING_STMT) ||
                ((pc->type == CT_BRACE_OPEN) && was_fcn))
            {
               hit_semi |= chunk_is_semicolon(pc);
               if (++semi_count > 1)
               {
                  LOG_FMT(LBRDEL, " bailed on %zu because of %s on line %zu\n",
                          bopen->orig_line, pc->text(), pc->orig_line);
                  return;
               }
            }
         }
      }
      prev = pc;
      pc   = chunk_get_next_nc(pc);
   }

   if (pc == NULL)
   {
      LOG_FMT(LBRDEL, " NULL\n");
      return;
   }

   LOG_FMT(LBRDEL, " - end on '%s' on line %zu. if_count=%zu semi_count=%zu\n",
           get_token_name(pc->type), pc->orig_line, if_count, semi_count);

   if (pc->type == CT_BRACE_CLOSE)
   {
      next = chunk_get_next_ncnl(pc);
      while ((next != NULL) && (next->type == CT_VBRACE_CLOSE))
      {
         next = chunk_get_next_ncnl(next);
      }
      LOG_FMT(LBRDEL, " next is '%s'\n", get_token_name(next->type));
      if ((if_count > 0) &&
          ((next->type == CT_ELSE) || (next->type == CT_ELSEIF)))
      {
         LOG_FMT(LBRDEL, " bailed on because 'else' is next and %zu ifs\n", if_count);
         return;
      }

      if (semi_count > 0)
      {
         if (bopen->parent_type == CT_ELSE)
         {
            next = chunk_get_next_ncnl(bopen);
            if (next->type == CT_IF)
            {
               prev = chunk_get_prev_ncnl(bopen);
               LOG_FMT(LBRDEL, " else-if removing braces on line %zu and %zu\n",
                       bopen->orig_line, pc->orig_line);

               chunk_del(bopen);
               chunk_del(pc);
               newline_del_between(prev, next);
               if (cpd.settings[UO_nl_else_if].a & AV_ADD)
               {
                  newline_add_between(prev, next);
               }
               return;
            }
         }

         /* we have a pair of braces with only 1 statement inside */
         convert_brace(bopen);
         convert_brace(pc);

         LOG_FMT(LBRDEL, " removing braces on line %zu and %zu\n",
                 bopen->orig_line, pc->orig_line);
      }
      else
      {
         LOG_FMT(LBRDEL, " empty statement\n");
      }
   }
   else
   {
      LOG_FMT(LBRDEL, " not a close brace? - '%s'\n", pc->text());
   }
} // examine_brace
Esempio n. 27
0
/**
 * Scans through the whole list and does stuff.
 * It has to do some tricks to parse preprocessors.
 *
 * TODO: This can be cleaned up and simplified - we can look both forward and backward!
 */
void brace_cleanup(void)
{
   chunk_t            *pc;
   struct parse_frame frm;
   int                pp_level;

   memset(&frm, 0, sizeof(frm));

   cpd.frame_count = 0;
   cpd.in_preproc  = CT_NONE;
   cpd.pp_level    = 0;

   pc = chunk_get_head();
   while (pc != NULL)
   {
      /* Check for leaving a #define body */
      if ((cpd.in_preproc != CT_NONE) && ((pc->flags & PCF_IN_PREPROC) == 0))
      {
         if (cpd.in_preproc == CT_PP_DEFINE)
         {
            /* out of the #define body, restore the frame */
            pf_pop(&frm);
         }

         cpd.in_preproc = CT_NONE;
      }

      /* Check for a preprocessor start */
      pp_level = cpd.pp_level;
      if (pc->type == CT_PREPROC)
      {
         pp_level = preproc_start(&frm, pc);
      }

      /* Do before assigning stuff from the frame */
      if ((cpd.lang_flags & LANG_PAWN) != 0)
      {
         if ((frm.pse[frm.pse_tos].type == CT_VBRACE_OPEN) &&
             (pc->type == CT_NEWLINE))
         {
            pc = pawn_check_vsemicolon(pc);
         }
      }

      /* Assume the level won't change */
      pc->level       = frm.level;
      pc->brace_level = frm.brace_level;
      pc->pp_level    = pp_level;


      /**
       * #define bodies get the full formatting treatment
       * Also need to pass in the initial '#' to close out any virtual braces.
       */
      if (!chunk_is_comment(pc) && !chunk_is_newline(pc) &&
          ((cpd.in_preproc == CT_PP_DEFINE) ||
           (cpd.in_preproc == CT_NONE)))
      {
         cpd.consumed = false;
         parse_cleanup(&frm, pc);
         print_stack(LBCSAFTER, (pc->type == CT_VBRACE_CLOSE) ? "Virt-}" : pc->str, &frm, pc);
      }
      pc = chunk_get_next(pc);
   }
}
Esempio n. 28
0
/*
 * See also it's preprocessor counterpart
 *   add_long_preprocessor_conditional_block_comment
 * in defines.cpp
 */
void add_long_closebrace_comment(void)
{
   LOG_FUNC_ENTRY();
   chunk_t  *br_close;
   chunk_t  *fcn_pc     = NULL;
   chunk_t  *sw_pc      = NULL;
   chunk_t  *ns_pc      = NULL;
   chunk_t  *cl_pc      = NULL;
   chunk_t  *cl_semi_pc = NULL;
   unc_text xstr;

   for (chunk_t *pc = chunk_get_head(); pc; pc = chunk_get_next_ncnl(pc))
   {
      if ((pc->type == CT_FUNC_DEF) ||
          (pc->type == CT_OC_MSG_DECL))
      {
         fcn_pc = pc;
      }
      else if (pc->type == CT_SWITCH)
      {
         /* kinda pointless, since it always has the text "switch" */
         sw_pc = pc;
      }
      else if (pc->type == CT_NAMESPACE)
      {
         ns_pc = pc;
      }
      else if (pc->type == CT_CLASS)
      {
         cl_pc = pc;
      }
      if ((pc->type != CT_BRACE_OPEN) || (pc->flags & PCF_IN_PREPROC))
      {
         continue;
      }

      chunk_t *br_open = pc;
      size_t  nl_count = 0;

      chunk_t *tmp = pc;
      while ((tmp = chunk_get_next(tmp)) != NULL)
      {
         if (chunk_is_newline(tmp))
         {
            nl_count += tmp->nl_count;
         }
         else if ((tmp->level == br_open->level) &&
                  (tmp->type == CT_BRACE_CLOSE))
         {
            br_close = tmp;

            //LOG_FMT(LSYS, "found brace pair on lines %d and %d, nl_count=%d\n",
            //        br_open->orig_line, br_close->orig_line, nl_count);

            /* Found the matching close brace - make sure a newline is next */
            tmp = chunk_get_next(tmp);

            // Check for end of class
            if (tmp != NULL && tmp->parent_type == CT_CLASS && tmp->type == CT_SEMICOLON)
            {
               cl_semi_pc = tmp;
               tmp        = chunk_get_next(tmp);
               if (tmp != NULL && !chunk_is_newline(tmp))
               {
                  tmp        = cl_semi_pc;
                  cl_semi_pc = NULL;
               }
            }
            if ((tmp == NULL) || chunk_is_newline(tmp))
            {
               size_t  nl_min  = 0;
               chunk_t *tag_pc = NULL;

               if (br_open->parent_type == CT_SWITCH)
               {
                  nl_min = cpd.settings[UO_mod_add_long_switch_closebrace_comment].u;
                  tag_pc = sw_pc;
                  xstr   = sw_pc ? sw_pc->str : NULL; /* \todo NULL is no unc_text structure */
               }
               else if ((br_open->parent_type == CT_FUNC_DEF) ||
                        (br_open->parent_type == CT_OC_MSG_DECL))
               {
                  nl_min = cpd.settings[UO_mod_add_long_function_closebrace_comment].u;
                  // 76006 Explicit null dereferenced, 2016-03-17
                  tag_pc = fcn_pc;
                  xstr.clear();
                  append_tag_name(xstr, tag_pc);
               }
               else if (br_open->parent_type == CT_NAMESPACE)
               {
                  nl_min = cpd.settings[UO_mod_add_long_namespace_closebrace_comment].u;
                  // 76007 Explicit null dereferenced, 2016-03-17
                  tag_pc = ns_pc;

                  /* obtain the next chunck, normally this is the name of the namespace
                   * and append it to generate "namespace xyz" */
                  xstr = ns_pc->str;
                  xstr.append(" ");
                  append_tag_name(xstr, chunk_get_next(ns_pc));
               }
               else if (br_open->parent_type == CT_CLASS && cl_semi_pc && cl_pc)
               {
                  nl_min = cpd.settings[UO_mod_add_long_class_closebrace_comment].u;
                  tag_pc = cl_pc;
                  xstr   = tag_pc->str;
                  xstr.append(" ");
                  append_tag_name(xstr, chunk_get_next(cl_pc));
                  br_close   = cl_semi_pc;
                  cl_semi_pc = NULL;
                  cl_pc      = NULL;
               }

               if ((nl_min > 0) && (nl_count >= nl_min) && (tag_pc != NULL))
               {
                  /* determine the added comment style */
                  c_token_t style = (cpd.lang_flags & (LANG_CPP | LANG_CS)) ?
                                    CT_COMMENT_CPP : CT_COMMENT;

                  /* Add a comment after the close brace */
                  insert_comment_after(br_close, style, xstr);
               }
            }
            break;
         }
      }
   }
} // add_long_closebrace_comment
Esempio n. 29
0
/**
 * Swaps two lines that are started with the specified chunks.
 *
 * @param pc1  The first chunk of line 1
 * @param pc2  The first chunk of line 2
 */
void chunk_swap_lines(chunk_t *pc1, chunk_t *pc2)
{
   chunk_t *ref2;
   chunk_t *tmp;

   pc1 = chunk_first_on_line(pc1);
   pc2 = chunk_first_on_line(pc2);

   if ((pc1 == NULL) || (pc2 == NULL) || (pc1 == pc2))
   {
      return;
   }

   /**
    * Example start:
    * ? - start1 - a1 - b1 - nl1 - ? - ref2 - start2 - a2 - b2 - nl2 - ?
    *      ^- pc1                              ^- pc2
    */
   ref2 = chunk_get_prev(pc2);

   /* Move the line started at pc2 before pc1 */
   while ((pc2 != NULL) && !chunk_is_newline(pc2))
   {
      tmp = chunk_get_next(pc2);
      g_cl.Pop(pc2);
      g_cl.AddBefore(pc2, pc1);
      pc2 = tmp;
   }

   /**
    * Should now be:
    * ? - start2 - a2 - b2 - start1 - a1 - b1 - nl1 - ? - ref2 - nl2 - ?
    *                         ^- pc1                              ^- pc2
    */

   /* Now move the line started at pc1 after ref2 */
   while ((pc1 != NULL) && !chunk_is_newline(pc1))
   {
      tmp = chunk_get_next(pc1);
      g_cl.Pop(pc1);
      if (ref2 != NULL)
      {
         g_cl.AddAfter(pc1, ref2);
      }
      else
      {
         g_cl.AddHead(pc1);
      }
      ref2 = pc1;
      pc1  = tmp;
   }

   /**
    * Should now be:
    * ? - start2 - a2 - b2 - nl1 - ? - ref2 - start1 - a1 - b1 - nl2 - ?
    *                         ^- pc1                              ^- pc2
    */

   /* pc1 and pc2 should be the newlines for their lines.
    * swap the chunks and the nl_count so that the spacing remains the same.
    */
   if ((pc1 != NULL) && (pc2 != NULL))
   {
      int nl_count = pc1->nl_count;

      pc1->nl_count = pc2->nl_count;
      pc2->nl_count = nl_count;

      chunk_swap(pc1, pc2);
   }
} // chunk_swap_lines
Esempio n. 30
0
/**
 * For a series of lines ending in a comment, align them.
 * The series ends when more than align_right_cmt_span newlines are found.
 *
 * Interesting info:
 *  - least pysically allowed column
 *  - intended column
 *  - least original cmt column
 *
 * min_col is the minimum allowed column (based on prev token col/size)
 * cmt_col less than
 *
 * @param start   Start point
 * @return        pointer the last item looked at
 */
chunk_t *align_trailing_comments(chunk_t *start)
{
   int          min_col  = 0;
   int          min_orig = -1;
   chunk_t      *pc      = start;
   int          nl_count = 0;
   ChunkStack   cs;
   CmtAlignType cmt_type_start, cmt_type_cur;
   int          col;
   int          intended_col = cpd.settings[UO_align_right_cmt_at_col].n;

   cmt_type_start = get_comment_align_type(pc);

   LOG_FMT(LALADD, "%s: start on line=%d\n", __func__, pc->orig_line);

   /* Find the max column */
   while ((pc != NULL) && (nl_count < cpd.settings[UO_align_right_cmt_span].n))
   {
      if (((pc->flags & PCF_RIGHT_COMMENT) != 0) && (pc->column > 1))
      {
         cmt_type_cur = get_comment_align_type(pc);

         if (cmt_type_cur == cmt_type_start)
         {
            col = 1 + (pc->brace_level * cpd.settings[UO_indent_columns].n);
            LOG_FMT(LALADD, "%s: line=%d col=%d max_col=%d pc->col=%d pc->len=%d %s\n",
                    __func__, pc->orig_line, col, min_col, pc->column, pc->len,
                    get_token_name(pc->type));
            if ((min_orig < 0) || (min_orig > pc->column))
            {
               min_orig = pc->column;
            }
            if (pc->column < col)
            {
               pc->column = col;
            }
            align_add(cs, pc, min_col, 1, true);//(intended_col < col));
            nl_count = 0;
         }
      }
      if (chunk_is_newline(pc))
      {
         nl_count += pc->nl_count;
      }
      pc = chunk_get_next(pc);
   }

   /* Start with the minimum original column */
   col = min_orig;
   /* fall back to the intended column */
   if ((intended_col > 0) && (col > intended_col))
   {
      col = intended_col;
   }
   /* if less than allowed, bump it out */
   if (col < min_col)
   {
      col = min_col;
   }
   /* bump out to the intended column */
   if (col < intended_col)
   {
      col = intended_col;
   }
   LOG_FMT(LALADD, "%s:  -- min_orig=%d intend=%d min_allowed=%d ==> col=%d\n", __func__,
           min_orig, intended_col, min_col, col);
   align_stack(cs, col, (intended_col != 0), LALTC);

   return(chunk_get_next(pc));
}