Esempio n. 1
0
static void
print_exp (pretty_printer *pp, const_rtx x, int verbose)
{
  const char *st[4];
  const char *fun;
  rtx op[4];
  int i;

  fun = (char *) 0;
  for (i = 0; i < 4; i++)
    {
      st[i] = (char *) 0;
      op[i] = NULL_RTX;
    }

  switch (GET_CODE (x))
    {
    case PLUS:
      op[0] = XEXP (x, 0);
      if (CONST_INT_P (XEXP (x, 1))
	  && INTVAL (XEXP (x, 1)) < 0)
	{
	  st[1] = "-";
	  op[1] = GEN_INT (-INTVAL (XEXP (x, 1)));
	}
      else
	{
	  st[1] = "+";
	  op[1] = XEXP (x, 1);
	}
      break;
    case LO_SUM:
      op[0] = XEXP (x, 0);
      st[1] = "+low(";
      op[1] = XEXP (x, 1);
      st[2] = ")";
      break;
    case MINUS:
      op[0] = XEXP (x, 0);
      st[1] = "-";
      op[1] = XEXP (x, 1);
      break;
    case COMPARE:
      fun = "cmp";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      break;
    case NEG:
      st[0] = "-";
      op[0] = XEXP (x, 0);
      break;
    case FMA:
      st[0] = "{";
      op[0] = XEXP (x, 0);
      st[1] = "*";
      op[1] = XEXP (x, 1);
      st[2] = "+";
      op[2] = XEXP (x, 2);
      st[3] = "}";
      break;
    case MULT:
      op[0] = XEXP (x, 0);
      st[1] = "*";
      op[1] = XEXP (x, 1);
      break;
    case DIV:
      op[0] = XEXP (x, 0);
      st[1] = "/";
      op[1] = XEXP (x, 1);
      break;
    case UDIV:
      fun = "udiv";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      break;
    case MOD:
      op[0] = XEXP (x, 0);
      st[1] = "%";
      op[1] = XEXP (x, 1);
      break;
    case UMOD:
      fun = "umod";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      break;
    case SMIN:
      fun = "smin";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      break;
    case SMAX:
      fun = "smax";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      break;
    case UMIN:
      fun = "umin";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      break;
    case UMAX:
      fun = "umax";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      break;
    case NOT:
      st[0] = "!";
      op[0] = XEXP (x, 0);
      break;
    case AND:
      op[0] = XEXP (x, 0);
      st[1] = "&";
      op[1] = XEXP (x, 1);
      break;
    case IOR:
      op[0] = XEXP (x, 0);
      st[1] = "|";
      op[1] = XEXP (x, 1);
      break;
    case XOR:
      op[0] = XEXP (x, 0);
      st[1] = "^";
      op[1] = XEXP (x, 1);
      break;
    case ASHIFT:
      op[0] = XEXP (x, 0);
      st[1] = "<<";
      op[1] = XEXP (x, 1);
      break;
    case LSHIFTRT:
      op[0] = XEXP (x, 0);
      st[1] = " 0>>";
      op[1] = XEXP (x, 1);
      break;
    case ASHIFTRT:
      op[0] = XEXP (x, 0);
      st[1] = ">>";
      op[1] = XEXP (x, 1);
      break;
    case ROTATE:
      op[0] = XEXP (x, 0);
      st[1] = "<-<";
      op[1] = XEXP (x, 1);
      break;
    case ROTATERT:
      op[0] = XEXP (x, 0);
      st[1] = ">->";
      op[1] = XEXP (x, 1);
      break;
    case NE:
      op[0] = XEXP (x, 0);
      st[1] = "!=";
      op[1] = XEXP (x, 1);
      break;
    case EQ:
      op[0] = XEXP (x, 0);
      st[1] = "==";
      op[1] = XEXP (x, 1);
      break;
    case GE:
      op[0] = XEXP (x, 0);
      st[1] = ">=";
      op[1] = XEXP (x, 1);
      break;
    case GT:
      op[0] = XEXP (x, 0);
      st[1] = ">";
      op[1] = XEXP (x, 1);
      break;
    case LE:
      op[0] = XEXP (x, 0);
      st[1] = "<=";
      op[1] = XEXP (x, 1);
      break;
    case LT:
      op[0] = XEXP (x, 0);
      st[1] = "<";
      op[1] = XEXP (x, 1);
      break;
    case SIGN_EXTRACT:
      fun = (verbose) ? "sign_extract" : "sxt";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      op[2] = XEXP (x, 2);
      break;
    case ZERO_EXTRACT:
      fun = (verbose) ? "zero_extract" : "zxt";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      op[2] = XEXP (x, 2);
      break;
    case SIGN_EXTEND:
      fun = (verbose) ? "sign_extend" : "sxn";
      op[0] = XEXP (x, 0);
      break;
    case ZERO_EXTEND:
      fun = (verbose) ? "zero_extend" : "zxn";
      op[0] = XEXP (x, 0);
      break;
    case FLOAT_EXTEND:
      fun = (verbose) ? "float_extend" : "fxn";
      op[0] = XEXP (x, 0);
      break;
    case TRUNCATE:
      fun = (verbose) ? "trunc" : "trn";
      op[0] = XEXP (x, 0);
      break;
    case FLOAT_TRUNCATE:
      fun = (verbose) ? "float_trunc" : "ftr";
      op[0] = XEXP (x, 0);
      break;
    case FLOAT:
      fun = (verbose) ? "float" : "flt";
      op[0] = XEXP (x, 0);
      break;
    case UNSIGNED_FLOAT:
      fun = (verbose) ? "uns_float" : "ufl";
      op[0] = XEXP (x, 0);
      break;
    case FIX:
      fun = "fix";
      op[0] = XEXP (x, 0);
      break;
    case UNSIGNED_FIX:
      fun = (verbose) ? "uns_fix" : "ufx";
      op[0] = XEXP (x, 0);
      break;
    case PRE_DEC:
      st[0] = "--";
      op[0] = XEXP (x, 0);
      break;
    case PRE_INC:
      st[0] = "++";
      op[0] = XEXP (x, 0);
      break;
    case POST_DEC:
      op[0] = XEXP (x, 0);
      st[1] = "--";
      break;
    case POST_INC:
      op[0] = XEXP (x, 0);
      st[1] = "++";
      break;
    case PRE_MODIFY:
      st[0] = "pre ";
      op[0] = XEXP (XEXP (x, 1), 0);
      st[1] = "+=";
      op[1] = XEXP (XEXP (x, 1), 1);
      break;
    case POST_MODIFY:
      st[0] = "post ";
      op[0] = XEXP (XEXP (x, 1), 0);
      st[1] = "+=";
      op[1] = XEXP (XEXP (x, 1), 1);
      break;
    case CALL:
      st[0] = "call ";
      op[0] = XEXP (x, 0);
      if (verbose)
	{
	  st[1] = " argc:";
	  op[1] = XEXP (x, 1);
	}
      break;
    case IF_THEN_ELSE:
      st[0] = "{(";
      op[0] = XEXP (x, 0);
      st[1] = ")?";
      op[1] = XEXP (x, 1);
      st[2] = ":";
      op[2] = XEXP (x, 2);
      st[3] = "}";
      break;
    case TRAP_IF:
      fun = "trap_if";
      op[0] = TRAP_CONDITION (x);
      break;
    case PREFETCH:
      fun = "prefetch";
      op[0] = XEXP (x, 0);
      op[1] = XEXP (x, 1);
      op[2] = XEXP (x, 2);
      break;
    case UNSPEC:
    case UNSPEC_VOLATILE:
      {
	pp_string (pp, "unspec");
	if (GET_CODE (x) == UNSPEC_VOLATILE)
	  pp_string (pp, "/v");
	pp_left_bracket (pp);
	for (i = 0; i < XVECLEN (x, 0); i++)
	  {
	    if (i != 0)
	      pp_comma (pp);
	    print_pattern (pp, XVECEXP (x, 0, i), verbose);
	  }
	pp_string (pp, "] ");
	pp_decimal_int (pp, XINT (x, 1));
      }
      break;
    default:
      {
	/* Most unhandled codes can be printed as pseudo-functions.  */
        if (GET_RTX_CLASS (GET_CODE (x)) == RTX_UNARY)
	  {
	    fun = GET_RTX_NAME (GET_CODE (x));
	    op[0] = XEXP (x, 0);
	  }
        else if (GET_RTX_CLASS (GET_CODE (x)) == RTX_COMPARE
		 || GET_RTX_CLASS (GET_CODE (x)) == RTX_COMM_COMPARE
		 || GET_RTX_CLASS (GET_CODE (x)) == RTX_BIN_ARITH
		 || GET_RTX_CLASS (GET_CODE (x)) == RTX_COMM_ARITH)
	  {
	    fun = GET_RTX_NAME (GET_CODE (x));
	    op[0] = XEXP (x, 0);
	    op[1] = XEXP (x, 1);
	  }
        else if (GET_RTX_CLASS (GET_CODE (x)) == RTX_TERNARY)
	  {
	    fun = GET_RTX_NAME (GET_CODE (x));
	    op[0] = XEXP (x, 0);
	    op[1] = XEXP (x, 1);
	    op[2] = XEXP (x, 2);
	  }
	else
	  /* Give up, just print the RTX name.  */
	  st[0] = GET_RTX_NAME (GET_CODE (x));
      }
      break;
    }

  /* Print this as a function?  */
  if (fun)
    {
      pp_string (pp, fun);
      pp_left_paren (pp);
    }

  for (i = 0; i < 4; i++)
    {
      if (st[i])
        pp_string (pp, st[i]);

      if (op[i])
	{
	  if (fun && i != 0)
	    pp_comma (pp);
	  print_value (pp, op[i], verbose);
	}
    }

  if (fun)
    pp_right_paren (pp);
}		/* print_exp */
Esempio n. 2
0
static tree
mf_varname_tree (tree decl)
{
  const char *buf_contents;
  tree result;

  gcc_assert (decl);

  pretty_printer buf;

  /* Add FILENAME[:LINENUMBER[:COLUMNNUMBER]].  */
  {
    expanded_location xloc = expand_location (DECL_SOURCE_LOCATION (decl));
    const char *sourcefile;
    unsigned sourceline = xloc.line;
    unsigned sourcecolumn = 0;
    sourcecolumn = xloc.column;
    sourcefile = xloc.file;
    if (sourcefile == NULL && current_function_decl != NULL_TREE)
      sourcefile = DECL_SOURCE_FILE (current_function_decl);
    if (sourcefile == NULL)
      sourcefile = "<unknown file>";

    pp_string (&buf, sourcefile);

    if (sourceline != 0)
      {
        pp_colon (&buf);
        pp_decimal_int (&buf, sourceline);

        if (sourcecolumn != 0)
          {
            pp_colon (&buf);
            pp_decimal_int (&buf, sourcecolumn);
          }
      }
  }

  if (current_function_decl != NULL_TREE)
    {
      /* Add (FUNCTION) */
      pp_string (&buf, " (");
      {
        const char *funcname = NULL;
        if (DECL_NAME (current_function_decl))
          funcname = lang_hooks.decl_printable_name (current_function_decl, 1);
        if (funcname == NULL)
          funcname = "anonymous fn";

        pp_string (&buf, funcname);
      }
      pp_string (&buf, ") ");
    }
  else
    pp_space (&buf);

  /* Add <variable-declaration>, possibly demangled.  */
  {
    const char *declname = NULL;

    if (DECL_NAME (decl) != NULL)
      {
	if (strcmp ("GNU C++", lang_hooks.name) == 0)
	  {
	    /* The gcc/cp decl_printable_name hook doesn't do as good a job as
	       the libiberty demangler.  */
	    declname = cplus_demangle (IDENTIFIER_POINTER (DECL_NAME (decl)),
				       DMGL_AUTO | DMGL_VERBOSE);
	  }
	if (declname == NULL)
	  declname = lang_hooks.decl_printable_name (decl, 3);
      }
    if (declname == NULL)
      declname = "<unnamed variable>";

    pp_string (&buf, declname);
  }

  /* Return the lot as a new STRING_CST.  */
  buf_contents = ggc_strdup (pp_formatted_text (&buf));
  result = mf_build_string (buf_contents);
  pp_clear_output_area (&buf);

  return result;
}
void
pp_c_type_specifier (c_pretty_printer *pp, tree t)
{
  const enum tree_code code = TREE_CODE (t);
  switch (code)
    {
    case ERROR_MARK:
      pp_c_identifier (pp, "<type-error>");
      break;

    case IDENTIFIER_NODE:
      pp_c_tree_decl_identifier (pp, t);
      break;

    case VOID_TYPE:
    case BOOLEAN_TYPE:
    case INTEGER_TYPE:
    case REAL_TYPE:
      if (TYPE_NAME (t))
	{
	  t = TYPE_NAME (t);
	  pp_c_type_specifier (pp, t);
	}
      else
	{
	  int prec = TYPE_PRECISION (t);
	  t = c_common_type_for_mode (TYPE_MODE (t), TYPE_UNSIGNED (t));
	  if (TYPE_NAME (t))
	    {
	      pp_c_type_specifier (pp, t);
	      if (TYPE_PRECISION (t) != prec)
		{
		  pp_string (pp, ":");
		  pp_decimal_int (pp, prec);
		}
	    }
	  else
	    {
	      switch (code)
		{
		case INTEGER_TYPE:
		  pp_string (pp, (TYPE_UNSIGNED (t)
				  ? "<unnamed-unsigned:"
				  : "<unnamed-signed:"));
		  break;
		case REAL_TYPE:
		  pp_string (pp, "<unnamed-float:");
		  break;
		default:
		  gcc_unreachable ();
		}
	      pp_decimal_int (pp, prec);
	      pp_string (pp, ">");
	    }
	}
      break;

    case TYPE_DECL:
      if (DECL_NAME (t))
	pp_id_expression (pp, t);
      else
	pp_c_identifier (pp, "<typedef-error>");
      break;

    case UNION_TYPE:
    case RECORD_TYPE:
    case ENUMERAL_TYPE:
      if (code == UNION_TYPE)
	pp_c_identifier (pp, "union");
      else if (code == RECORD_TYPE)
	pp_c_identifier (pp, "struct");
      else if (code == ENUMERAL_TYPE)
	pp_c_identifier (pp, "enum");
      else
	pp_c_identifier (pp, "<tag-error>");

      if (TYPE_NAME (t))
	pp_id_expression (pp, TYPE_NAME (t));
      else
	pp_c_identifier (pp, "<anonymous>");
      break;

    default:
      pp_unsupported_tree (pp, t);
      break;
    }
}