print-tree.c

GCC编译器源代码

	fputs (" inline", file);

      if (TREE_CODE (node) == TYPE_DECL && TYPE_DECL_SUPPRESS_DEBUG (node))
	fputs (" suppress-debug", file);

      if (TREE_CODE (node) == FUNCTION_DECL && DECL_BUILT_IN (node))
	fputs (" built-in", file);
      if (TREE_CODE (node) == FUNCTION_DECL && DECL_BUILT_IN_NONANSI (node))
	fputs (" built-in-nonansi", file);

      if (TREE_CODE (node) == FIELD_DECL && DECL_BIT_FIELD (node))
	fputs (" bit-field", file);
      if (TREE_CODE (node) == LABEL_DECL && DECL_TOO_LATE (node))
	fputs (" too-late", file);
      if (TREE_CODE (node) == VAR_DECL && DECL_IN_TEXT_SECTION (node))
	fputs (" in-text-section", file);

      if (DECL_VIRTUAL_P (node))
	fputs (" virtual", file);
      if (DECL_DEFER_OUTPUT (node))
	fputs (" defer-output", file);
      if (DECL_TRANSPARENT_UNION (node))
	fputs (" transparent-union", file);

      if (DECL_LANG_FLAG_0 (node))
	fputs (" decl_0", file);
      if (DECL_LANG_FLAG_1 (node))
	fputs (" decl_1", file);
      if (DECL_LANG_FLAG_2 (node))
	fputs (" decl_2", file);
      if (DECL_LANG_FLAG_3 (node))
	fputs (" decl_3", file);
      if (DECL_LANG_FLAG_4 (node))
	fputs (" decl_4", file);
      if (DECL_LANG_FLAG_5 (node))
	fputs (" decl_5", file);
      if (DECL_LANG_FLAG_6 (node))
	fputs (" decl_6", file);
      if (DECL_LANG_FLAG_7 (node))
	fputs (" decl_7", file);

      fprintf (file, " %s", mode_name[(int) mode]);

      fprintf (file, " file %s line %d",
	       DECL_SOURCE_FILE (node), DECL_SOURCE_LINE (node));

      print_node (file, "size", DECL_SIZE (node), indent + 4);
      indent_to (file, indent + 3);
      if (TREE_CODE (node) != FUNCTION_DECL)
	fprintf (file, " align %d", DECL_ALIGN (node));
      else if (DECL_INLINE (node))
	fprintf (file, " frame_size %d", DECL_FRAME_SIZE (node));
      else if (DECL_BUILT_IN (node))
	fprintf (file, " built-in code %d", DECL_FUNCTION_CODE (node));
      if (TREE_CODE (node) == FIELD_DECL)
	print_node (file, "bitpos", DECL_FIELD_BITPOS (node), indent + 4);
      print_node_brief (file, "context", DECL_CONTEXT (node), indent + 4);
      print_node_brief (file, "machine_attributes", DECL_MACHINE_ATTRIBUTES (node), indent + 4);
      print_node_brief (file, "abstract_origin",
			DECL_ABSTRACT_ORIGIN (node), indent + 4);

      print_node (file, "arguments", DECL_ARGUMENTS (node), indent + 4);
      print_node (file, "result", DECL_RESULT (node), indent + 4);
      print_node_brief (file, "initial", DECL_INITIAL (node), indent + 4);

      print_lang_decl (file, node, indent);

      if (DECL_RTL (node) != 0)
	{
	  indent_to (file, indent + 4);
	  print_rtl (file, DECL_RTL (node));
	}

      if (DECL_SAVED_INSNS (node) != 0)
	{
	  indent_to (file, indent + 4);
	  if (TREE_CODE (node) == PARM_DECL)
	    {
	      fprintf (file, "incoming-rtl ");
	      print_rtl (file, DECL_INCOMING_RTL (node));
	    }
	  else if (TREE_CODE (node) == FUNCTION_DECL)
	    {
	      fprintf (file, "saved-insns ");
	      fprintf (file, HOST_PTR_PRINTF,
 		       (HOST_WIDE_INT) DECL_SAVED_INSNS (node));
	    }
	}

      /* Print the decl chain only if decl is at second level.  */
      if (indent == 4)
	print_node (file, "chain", TREE_CHAIN (node), indent + 4);
      else
	print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
      break;

    case 't':
      if (TYPE_NO_FORCE_BLK (node))
	fputs (" no-force-blk", file);
      if (TYPE_STRING_FLAG (node))
	fputs (" string-flag", file);
      if (TYPE_NEEDS_CONSTRUCTING (node))
	fputs (" needs-constructing", file);
      if (TYPE_TRANSPARENT_UNION (node))
	fputs (" transparent-union", file);
      if (TYPE_PACKED (node))
	fputs (" packed", file);

      if (TYPE_LANG_FLAG_0 (node))
	fputs (" type_0", file);
      if (TYPE_LANG_FLAG_1 (node))
	fputs (" type_1", file);
      if (TYPE_LANG_FLAG_2 (node))
	fputs (" type_2", file);
      if (TYPE_LANG_FLAG_3 (node))
	fputs (" type_3", file);
      if (TYPE_LANG_FLAG_4 (node))
	fputs (" type_4", file);
      if (TYPE_LANG_FLAG_5 (node))
	fputs (" type_5", file);
      if (TYPE_LANG_FLAG_6 (node))
	fputs (" type_6", file);

      mode = TYPE_MODE (node);
      fprintf (file, " %s", mode_name[(int) mode]);

      print_node (file, "size", TYPE_SIZE (node), indent + 4);
      indent_to (file, indent + 3);

      fprintf (file, " align %d", TYPE_ALIGN (node));
      fprintf (file, " symtab %d", TYPE_SYMTAB_ADDRESS (node));

      print_node (file, "attributes", TYPE_ATTRIBUTES (node), indent + 4);

      if (TREE_CODE (node) == ARRAY_TYPE || TREE_CODE (node) == SET_TYPE)
	print_node (file, "domain", TYPE_DOMAIN (node), indent + 4);
      else if (TREE_CODE (node) == INTEGER_TYPE
	       || TREE_CODE (node) == BOOLEAN_TYPE
	       || TREE_CODE (node) == CHAR_TYPE)
	{
	  fprintf (file, " precision %d", TYPE_PRECISION (node));
	  print_node (file, "min", TYPE_MIN_VALUE (node), indent + 4);
	  print_node (file, "max", TYPE_MAX_VALUE (node), indent + 4);
	}
      else if (TREE_CODE (node) == ENUMERAL_TYPE)
	{
	  fprintf (file, " precision %d", TYPE_PRECISION (node));
	  print_node (file, "min", TYPE_MIN_VALUE (node), indent + 4);
	  print_node (file, "max", TYPE_MAX_VALUE (node), indent + 4);
	  print_node (file, "values", TYPE_VALUES (node), indent + 4);
	}
      else if (TREE_CODE (node) == REAL_TYPE)
	fprintf (file, " precision %d", TYPE_PRECISION (node));
      else if (TREE_CODE (node) == RECORD_TYPE
	       || TREE_CODE (node) == UNION_TYPE
	       || TREE_CODE (node) == QUAL_UNION_TYPE)
	print_node (file, "fields", TYPE_FIELDS (node), indent + 4);
      else if (TREE_CODE (node) == FUNCTION_TYPE || TREE_CODE (node) == METHOD_TYPE)
	{
	  if (TYPE_METHOD_BASETYPE (node))
	    print_node_brief (file, "method basetype", TYPE_METHOD_BASETYPE (node), indent + 4);
	  print_node (file, "arg-types", TYPE_ARG_TYPES (node), indent + 4);
	}
      if (TYPE_CONTEXT (node))
	print_node_brief (file, "context", TYPE_CONTEXT (node), indent + 4);

      print_lang_type (file, node, indent);

      if (TYPE_POINTER_TO (node) || TREE_CHAIN (node))
	indent_to (file, indent + 3);
      print_node_brief (file, "pointer_to_this", TYPE_POINTER_TO (node), indent + 4);
      print_node_brief (file, "reference_to_this", TYPE_REFERENCE_TO (node), indent + 4);
      print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
      break;

    case 'b':
      print_node (file, "vars", BLOCK_VARS (node), indent + 4);
      print_node (file, "tags", BLOCK_TYPE_TAGS (node), indent + 4);
      print_node (file, "supercontext", BLOCK_SUPERCONTEXT (node), indent + 4);
      print_node (file, "subblocks", BLOCK_SUBBLOCKS (node), indent + 4);
      print_node (file, "chain", BLOCK_CHAIN (node), indent + 4);
      print_node (file, "abstract_origin",
		  BLOCK_ABSTRACT_ORIGIN (node), indent + 4);
      return;

    case 'e':
    case '<':
    case '1':
    case '2':
    case 'r':
    case 's':
      if (TREE_CODE (node) == BIND_EXPR)
	{
	  print_node (file, "vars", TREE_OPERAND (node, 0), indent + 4);
	  print_node (file, "body", TREE_OPERAND (node, 1), indent + 4);
	  print_node (file, "block", TREE_OPERAND (node, 2), indent + 4);
	  return;
	}

      first_rtl = len = tree_code_length[(int) TREE_CODE (node)];
      /* These kinds of nodes contain rtx's, not trees,
	 after a certain point.  Print the rtx's as rtx's.  */
      switch (TREE_CODE (node))
	{
	case SAVE_EXPR:
	  first_rtl = 2;
	  break;
	case CALL_EXPR:
	  first_rtl = 2;
	  break;
	case METHOD_CALL_EXPR:
	  first_rtl = 3;
	  break;
	case WITH_CLEANUP_EXPR:
	  /* Should be defined to be 2.  */
	  first_rtl = 1;
	  break;
	case RTL_EXPR:
	  first_rtl = 0;
	default:
	  break;
	}
      for (i = 0; i < len; i++)
	{
	  if (i >= first_rtl)
	    {
	      indent_to (file, indent + 4);
	      fprintf (file, "rtl %d ", i);
	      if (TREE_OPERAND (node, i))
		print_rtl (file, (struct rtx_def *) TREE_OPERAND (node, i));
	      else
		fprintf (file, "(nil)");
	      fprintf (file, "\n");
	    }
	  else
	    {
	      char temp[10];

	      sprintf (temp, "arg %d", i);
	      print_node (file, temp, TREE_OPERAND (node, i), indent + 4);
	    }
	}
      break;

    case 'c':
    case 'x':
      switch (TREE_CODE (node))
	{
	case INTEGER_CST:
	  if (TREE_CONSTANT_OVERFLOW (node))
	    fprintf (file, " overflow");

	  fprintf (file, " ");
	  if (TREE_INT_CST_HIGH (node) == 0)
	    fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED,
		     TREE_INT_CST_LOW (node));
	  else if (TREE_INT_CST_HIGH (node) == -1
		   && TREE_INT_CST_LOW (node) != 0)
	    {
	      fprintf (file, "-");
	      fprintf (file, HOST_WIDE_INT_PRINT_UNSIGNED,
		       -TREE_INT_CST_LOW (node));
	    }
	  else
	    fprintf (file, HOST_WIDE_INT_PRINT_DOUBLE_HEX,
		     TREE_INT_CST_HIGH (node), TREE_INT_CST_LOW (node));
	  break;

	case REAL_CST:
	  {
	    REAL_VALUE_TYPE d;

	    if (TREE_OVERFLOW (node))
	      fprintf (file, " overflow");

#if !defined(REAL_IS_NOT_DOUBLE) || defined(REAL_ARITHMETIC)
	    d = TREE_REAL_CST (node);
	    if (REAL_VALUE_ISINF (d))
	      fprintf (file, " Inf");
	    else if (REAL_VALUE_ISNAN (d))
	      fprintf (file, " Nan");
	    else
	      {
		char string[100];

		REAL_VALUE_TO_DECIMAL (d, "%e", string);
		fprintf (file, " %s", string);
	      }
#else
	    {
	      int i;
	      unsigned char *p = (unsigned char *) &TREE_REAL_CST (node);
	      fprintf (file, " 0x");
	      for (i = 0; i < sizeof TREE_REAL_CST (node); i++)
		fprintf (file, "%02x", *p++);
	      fprintf (file, "");
	    }
#endif
	  }
	  break;

	case COMPLEX_CST:
	  print_node (file, "real", TREE_REALPART (node), indent + 4);
	  print_node (file, "imag", TREE_IMAGPART (node), indent + 4);
	  break;

	case STRING_CST:
	  fprintf (file, " \"%s\"", TREE_STRING_POINTER (node));
	  /* Print the chain at second level.  */
	  if (indent == 4)
	    print_node (file, "chain", TREE_CHAIN (node), indent + 4);
	  else
	    print_node_brief (file, "chain", TREE_CHAIN (node), indent + 4);
	  break;

	case IDENTIFIER_NODE:
	  print_lang_identifier (file, node, indent);
	  break;

	case TREE_LIST:
	  print_node (file, "purpose", TREE_PURPOSE (node), indent + 4);
	  print_node (file, "value", TREE_VALUE (node), indent + 4);
	  print_node (file, "chain", TREE_CHAIN (node), indent + 4);
	  break;

	case TREE_VEC:
	  len = TREE_VEC_LENGTH (node);
	  for (i = 0; i < len; i++)
	    if (TREE_VEC_ELT (node, i))
	      {
		char temp[10];
		sprintf (temp, "elt %d", i);
		indent_to (file, indent + 4);
		print_node_brief (file, temp, TREE_VEC_ELT (node, i), 0);
	      }
	  break;

	case OP_IDENTIFIER:
	  print_node (file, "op1", TREE_PURPOSE (node), indent + 4);
	  print_node (file, "op2", TREE_VALUE (node), indent + 4);
	  break;

	default:
	  break;
	}

      break;
    }

  fprintf (file, ">");
}