Exemple #1
0
static void
genericize_try_block (tree *stmt_p)
{
  tree body = TRY_STMTS (*stmt_p);
  tree cleanup = TRY_HANDLERS (*stmt_p);

  *stmt_p = build2 (TRY_CATCH_EXPR, void_type_node, body, cleanup);
}
static void
genericize_try_block (tree *stmt_p)
{
  tree body = TRY_STMTS (*stmt_p);
  tree cleanup = TRY_HANDLERS (*stmt_p);

  gimplify_stmt (&body);

  if (CLEANUP_P (*stmt_p))
    /* A cleanup is an expression, so it doesn't need to be genericized.  */;
  else
    gimplify_stmt (&cleanup);

  *stmt_p = build2 (TRY_CATCH_EXPR, void_type_node, body, cleanup);
}
Exemple #3
0
bool
cp_dump_tree (void* dump_info, tree t)
{
  enum tree_code code;
  dump_info_p di = (dump_info_p) dump_info;

  /* Figure out what kind of node this is.  */
  code = TREE_CODE (t);

  if (DECL_P (t))
    {
      if (DECL_LANG_SPECIFIC (t) && DECL_LANGUAGE (t) != lang_cplusplus)
	dump_string (di, language_to_string (DECL_LANGUAGE (t)));
    }

  switch (code)
    {
    case IDENTIFIER_NODE:
      if (IDENTIFIER_OPNAME_P (t))
	{
	  dump_string (di, "operator");
	  return true;
	}
      else if (IDENTIFIER_TYPENAME_P (t))
	{
	  dump_child ("tynm", TREE_TYPE (t));
	  return true;
	}
      break;

    case OFFSET_TYPE:
      dump_string (di, "ptrmem");
      dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
      dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
      return true;

    case RECORD_TYPE:
      if (TYPE_PTRMEMFUNC_P (t))
	{
	  dump_string (di, "ptrmem");
	  dump_child ("ptd", TYPE_PTRMEM_POINTED_TO_TYPE (t));
	  dump_child ("cls", TYPE_PTRMEM_CLASS_TYPE (t));
	  return true;
	}
      /* Fall through.  */

    case UNION_TYPE:
      /* Is it a type used as a base? */
      if (TYPE_CONTEXT (t) && TREE_CODE (TYPE_CONTEXT (t)) == TREE_CODE (t)
	  && CLASSTYPE_AS_BASE (TYPE_CONTEXT (t)) == t)
	{
	  dump_child ("bfld", TYPE_CONTEXT (t));
	  return true;
	}
      
      if (! IS_AGGR_TYPE (t))
	break;

      dump_child ("vfld", TYPE_VFIELD (t));
      if (CLASSTYPE_TEMPLATE_SPECIALIZATION(t))
        dump_string(di, "spec");

      if (!dump_flag (di, TDF_SLIM, t) && TYPE_BINFO (t))
	{
	  int i;
	  tree binfo;
	  tree base_binfo;
	  
	  for (binfo = TYPE_BINFO (t), i = 0;
	       BINFO_BASE_ITERATE (binfo, i, base_binfo); ++i)
	    {
	      dump_child ("base", BINFO_TYPE (base_binfo));
	      if (BINFO_VIRTUAL_P (base_binfo)) 
		dump_string (di, "virtual");
	      dump_access (di, base_binfo);
	    }
	}
      break;

    case FIELD_DECL:
      dump_access (di, t);
      if (DECL_MUTABLE_P (t))
        dump_string(di, "mutable");
      break;

    case VAR_DECL:
      if (TREE_CODE (CP_DECL_CONTEXT (t)) == RECORD_TYPE)
        dump_access (di, t);
      if (TREE_STATIC (t) && !TREE_PUBLIC (t))
        dump_string (di, "static");
      break; 

    case FUNCTION_DECL:
      if (!DECL_THUNK_P (t))
	{
          if (DECL_OVERLOADED_OPERATOR_P (t)) {
	    dump_string (di, "operator");
            dump_op (di, t);
          }
	  if (DECL_FUNCTION_MEMBER_P (t)) 
	    {
	      dump_string (di, "member");
	      dump_access (di, t);
	    }
          if (DECL_PURE_VIRTUAL_P (t))
            dump_string (di, "pure");
          if (DECL_VIRTUAL_P (t))
            dump_string (di, "virtual");
	  if (DECL_CONSTRUCTOR_P (t))
	    dump_string (di, "constructor");
	  if (DECL_DESTRUCTOR_P (t))
	    dump_string (di, "destructor");
	  if (DECL_CONV_FN_P (t))
	    dump_string (di, "conversion");
	  if (DECL_GLOBAL_CTOR_P (t))
	    dump_string (di, "global init");
	  if (DECL_GLOBAL_DTOR_P (t))
	    dump_string (di, "global fini");
	  if (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION (t))
	    dump_string (di, "pseudo tmpl");
	}
      else
	{
	  tree virt = THUNK_VIRTUAL_OFFSET (t);
	  
	  dump_string (di, "thunk");
	  if (DECL_THIS_THUNK_P (t))
	    dump_string (di, "this adjusting");
	  else
	    {
	      dump_string (di, "result adjusting");
	      if (virt)
		virt = BINFO_VPTR_FIELD (virt);
	    }
	  dump_int (di, "fixd", THUNK_FIXED_OFFSET (t));
	  if (virt)
	    dump_int (di, "virt", tree_low_cst (virt, 0));
	  dump_child ("fn", DECL_INITIAL (t));
	}
      break;

    case NAMESPACE_DECL:
      if (DECL_NAMESPACE_ALIAS (t))
	dump_child ("alis", DECL_NAMESPACE_ALIAS (t));
      else if (!dump_flag (di, TDF_SLIM, t))
	dump_child ("dcls", cp_namespace_decls (t));
      break;

    case TEMPLATE_DECL:
      dump_child ("rslt", DECL_TEMPLATE_RESULT (t));
      dump_child ("inst", DECL_TEMPLATE_INSTANTIATIONS (t));
      dump_child ("spcs", DECL_TEMPLATE_SPECIALIZATIONS (t));
      dump_child ("prms", DECL_TEMPLATE_PARMS (t));
      break;

    case OVERLOAD:
      dump_child ("crnt", OVL_CURRENT (t));
      dump_child ("chan", OVL_CHAIN (t));
      break;

    case TRY_BLOCK:
      dump_stmt (di, t);
      if (CLEANUP_P (t))
	dump_string (di, "cleanup");
      dump_child ("body", TRY_STMTS (t));
      dump_child ("hdlr", TRY_HANDLERS (t));
      break;

    case EH_SPEC_BLOCK:
      dump_stmt (di, t);
      dump_child ("body", EH_SPEC_STMTS (t));
      dump_child ("raises", EH_SPEC_RAISES (t));
      break;

    case PTRMEM_CST:
      dump_child ("clas", PTRMEM_CST_CLASS (t));
      dump_child ("mbr", PTRMEM_CST_MEMBER (t));
      break;

    case THROW_EXPR:
      /* These nodes are unary, but do not have code class `1'.  */
      dump_child ("op 0", TREE_OPERAND (t, 0));
      break;

    case AGGR_INIT_EXPR:
      dump_int (di, "ctor", AGGR_INIT_VIA_CTOR_P (t));
      dump_child ("fn", TREE_OPERAND (t, 0));
      dump_child ("args", TREE_OPERAND (t, 1));
      dump_child ("decl", TREE_OPERAND (t, 2));
      break;
      
    case HANDLER:
      dump_stmt (di, t);
      dump_child ("parm", HANDLER_PARMS (t));
      dump_child ("body", HANDLER_BODY (t));
      break;

    case MUST_NOT_THROW_EXPR:
      dump_stmt (di, t);
      dump_child ("body", TREE_OPERAND (t, 0));
      break;

    case USING_STMT:
      dump_stmt (di, t);
      dump_child ("nmsp", USING_STMT_NAMESPACE (t));
      break;

    case CLEANUP_STMT:
      dump_stmt (di, t);
      dump_child ("decl", CLEANUP_DECL (t));
      dump_child ("expr", CLEANUP_EXPR (t));
      dump_child ("body", CLEANUP_BODY (t));
      break;

    case IF_STMT:
      dump_stmt (di, t);
      dump_child ("cond", IF_COND (t));
      dump_child ("then", THEN_CLAUSE (t));
      dump_child ("else", ELSE_CLAUSE (t));
      break;

    default:
      break;
    }

  return c_dump_tree (di, t);
}
static void
pp_cxx_statement (cxx_pretty_printer *pp, tree t)
{
  switch (TREE_CODE (t))
    {
    case CTOR_INITIALIZER:
      pp_cxx_ctor_initializer (pp, t);
      break;

    case USING_STMT:
      pp_cxx_identifier (pp, "using");
      pp_cxx_identifier (pp, "namespace");
      if (DECL_CONTEXT (t))
	pp_cxx_nested_name_specifier (pp, DECL_CONTEXT (t));
      pp_cxx_qualified_id (pp, USING_STMT_NAMESPACE (t));
      break;

    case USING_DECL:
      pp_cxx_identifier (pp, "using");
      pp_cxx_nested_name_specifier (pp, USING_DECL_SCOPE (t));
      pp_cxx_unqualified_id (pp, DECL_NAME (t));
      break;

    case EH_SPEC_BLOCK:
      break;

      /* try-block:
	    try compound-statement handler-seq  */
    case TRY_BLOCK:
      pp_maybe_newline_and_indent (pp, 0);
      pp_cxx_identifier (pp, "try");
      pp_newline_and_indent (pp, 3);
      pp_cxx_statement (pp, TRY_STMTS (t));
      pp_newline_and_indent (pp, -3);
      if (CLEANUP_P (t))
	;
      else
	pp_cxx_statement (pp, TRY_HANDLERS (t));
      break;

      /*
	 handler-seq:
	    handler handler-seq(opt)

	 handler:
	 catch ( exception-declaration ) compound-statement

	 exception-declaration:
	    type-specifier-seq declarator
	    type-specifier-seq abstract-declarator
	    ...   */
    case HANDLER:
      pp_cxx_identifier (pp, "catch");
      pp_cxx_left_paren (pp);
      pp_cxx_exception_declaration (pp, HANDLER_PARMS (t));
      pp_cxx_right_paren (pp);
      pp_indentation (pp) += 3;
      pp_needs_newline (pp) = true;
      pp_cxx_statement (pp, HANDLER_BODY (t));
      pp_indentation (pp) -= 3;
      pp_needs_newline (pp) = true;
      break;

      /* selection-statement:
	    if ( expression ) statement
	    if ( expression ) statement else statement  */
    case IF_STMT:
      pp_cxx_identifier (pp, "if");
      pp_cxx_whitespace (pp);
      pp_cxx_left_paren (pp);
      pp_cxx_expression (pp, IF_COND (t));
      pp_cxx_right_paren (pp);
      pp_newline_and_indent (pp, 2);
      pp_cxx_statement (pp, THEN_CLAUSE (t));
      pp_newline_and_indent (pp, -2);
      if (ELSE_CLAUSE (t))
	{
	  tree else_clause = ELSE_CLAUSE (t);
	  pp_cxx_identifier (pp, "else");
	  if (TREE_CODE (else_clause) == IF_STMT)
	    pp_cxx_whitespace (pp);
	  else
	    pp_newline_and_indent (pp, 2);
	  pp_cxx_statement (pp, else_clause);
	  if (TREE_CODE (else_clause) != IF_STMT)
	    pp_newline_and_indent (pp, -2);
	}
      break;

    case SWITCH_STMT:
      pp_cxx_identifier (pp, "switch");
      pp_space (pp);
      pp_cxx_left_paren (pp);
      pp_cxx_expression (pp, SWITCH_STMT_COND (t));
      pp_cxx_right_paren (pp);
      pp_indentation (pp) += 3;
      pp_needs_newline (pp) = true;
      pp_cxx_statement (pp, SWITCH_STMT_BODY (t));
      pp_newline_and_indent (pp, -3);
      break;

      /* iteration-statement:
	    while ( expression ) statement
	    do statement while ( expression ) ;
	    for ( expression(opt) ; expression(opt) ; expression(opt) ) statement
	    for ( declaration expression(opt) ; expression(opt) ) statement  */
    case WHILE_STMT:
      pp_cxx_identifier (pp, "while");
      pp_space (pp);
      pp_cxx_left_paren (pp);
      pp_cxx_expression (pp, WHILE_COND (t));
      pp_cxx_right_paren (pp);
      pp_newline_and_indent (pp, 3);
      pp_cxx_statement (pp, WHILE_BODY (t));
      pp_indentation (pp) -= 3;
      pp_needs_newline (pp) = true;
      break;

    case DO_STMT:
      pp_cxx_identifier (pp, "do");
      pp_newline_and_indent (pp, 3);
      pp_cxx_statement (pp, DO_BODY (t));
      pp_newline_and_indent (pp, -3);
      pp_cxx_identifier (pp, "while");
      pp_space (pp);
      pp_cxx_left_paren (pp);
      pp_cxx_expression (pp, DO_COND (t));
      pp_cxx_right_paren (pp);
      pp_cxx_semicolon (pp);
      pp_needs_newline (pp) = true;
      break;

    case FOR_STMT:
      pp_cxx_identifier (pp, "for");
      pp_space (pp);
      pp_cxx_left_paren (pp);
      if (FOR_INIT_STMT (t))
	pp_cxx_statement (pp, FOR_INIT_STMT (t));
      else
	pp_cxx_semicolon (pp);
      pp_needs_newline (pp) = false;
      pp_cxx_whitespace (pp);
      if (FOR_COND (t))
	pp_cxx_expression (pp, FOR_COND (t));
      pp_cxx_semicolon (pp);
      pp_needs_newline (pp) = false;
      pp_cxx_whitespace (pp);
      if (FOR_EXPR (t))
	pp_cxx_expression (pp, FOR_EXPR (t));
      pp_cxx_right_paren (pp);
      pp_newline_and_indent (pp, 3);
      pp_cxx_statement (pp, FOR_BODY (t));
      pp_indentation (pp) -= 3;
      pp_needs_newline (pp) = true;
      break;

      /* jump-statement:
	    goto identifier;
	    continue ;
	    return expression(opt) ;  */
    case BREAK_STMT:
    case CONTINUE_STMT:
      pp_identifier (pp, TREE_CODE (t) == BREAK_STMT ? "break" : "continue");
      pp_cxx_semicolon (pp);
      pp_needs_newline (pp) = true;
      break;

      /* expression-statement:
	    expression(opt) ;  */
    case EXPR_STMT:
      pp_cxx_expression (pp, EXPR_STMT_EXPR (t));
      pp_cxx_semicolon (pp);
      pp_needs_newline (pp) = true;
      break;

    case CLEANUP_STMT:
      pp_cxx_identifier (pp, "try");
      pp_newline_and_indent (pp, 2);
      pp_cxx_statement (pp, CLEANUP_BODY (t));
      pp_newline_and_indent (pp, -2);
      pp_cxx_identifier (pp, CLEANUP_EH_ONLY (t) ? "catch" : "finally");
      pp_newline_and_indent (pp, 2);
      pp_cxx_statement (pp, CLEANUP_EXPR (t));
      pp_newline_and_indent (pp, -2);
      break;

    default:
      pp_c_statement (pp_c_base (pp), t);
      break;
    }
}
Exemple #5
0
void
pp_cxx_statement (cxx_pretty_printer *pp, tree t)
{
  switch (TREE_CODE (t))
    {
    case USING_STMT:
      pp_cxx_identifier (pp, "using");
      pp_cxx_identifier (pp, "namespace");
      pp_cxx_qualified_id (pp, USING_STMT_NAMESPACE (t));
      break;

    case USING_DECL:
      pp_cxx_identifier (pp, "using");
      pp_cxx_nested_name_specifier (pp, DECL_INITIAL (t));
      pp_cxx_unqualified_id (pp, DECL_NAME (t));
      break;

    case EH_SPEC_BLOCK:
      break;

      /* try-block:
            try compound-statement handler-seq  */
    case TRY_BLOCK:
      pp_maybe_newline_and_indent (pp, 0);
      pp_cxx_identifier (pp, "try");
      pp_newline_and_indent (pp, 3);
      pp_cxx_statement (pp, TRY_STMTS (t));
      pp_newline_and_indent (pp, -3);
      if (CLEANUP_P (t))
        ;
      else
        pp_cxx_statement (pp, TRY_HANDLERS (t));
      break;

      /*
         handler-seq:
            handler handler-seq(opt)

         handler:
         catch ( exception-declaration ) compound-statement 

         exception-declaration:
            type-specifier-seq declarator
            type-specifier-seq abstract-declarator
            ...   */
    case HANDLER:
      pp_cxx_identifier (pp, "catch");
      pp_cxx_left_paren (pp);
      pp_cxx_exception_declaration (pp, HANDLER_PARMS (t));
      pp_cxx_right_paren (pp);
      pp_indentation (pp) += 3;
      pp_needs_newline (pp) = true;
      pp_cxx_statement (pp, HANDLER_BODY (t));
      pp_indentation (pp) -= 3;
      pp_needs_newline (pp) = true;
      break;

    default:
      pp_c_statement (pp_c_base (pp), t);
      break;
    }
}