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Annotation of gcc/cp-tree.def, revision 1.1

1.1     ! root        1: /* This file contains the definitions and documentation for the
        !             2:    additional tree codes used in the GNU C++ compiler (see tree.def
        !             3:    for the standard codes).
        !             4:    Copyright (C) 1987, 1988, 1990 Free Software Foundation, Inc.
        !             5:    Hacked by Michael Tiemann ([email protected])
        !             6: 
        !             7: This file is part of GNU CC.
        !             8: 
        !             9: GNU CC is free software; you can redistribute it and/or modify
        !            10: it under the terms of the GNU General Public License as published by
        !            11: the Free Software Foundation; either version 2, or (at your option)
        !            12: any later version.
        !            13: 
        !            14: GNU CC is distributed in the hope that it will be useful,
        !            15: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            16: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            17: GNU General Public License for more details.
        !            18: 
        !            19: You should have received a copy of the GNU General Public License
        !            20: along with GNU CC; see the file COPYING.  If not, write to
        !            21: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            22: 
        !            23:  
        !            24: /* For DELETE_EXPR, operand 0 is the store to be destroyed.
        !            25:    Operand 1 is the value to pass to the destroying function
        !            26:    saying whether the store should be deallocated as well.  */
        !            27: DEFTREECODE (DELETE_EXPR, "dl_expr", "e", 2)
        !            28: 
        !            29: /* Value is reference to particular overloaded class method.
        !            30:    Operand 0 is the class name (an IDENTIFIER_NODE);
        !            31:    operand 1 is the field (also an IDENTIFIER_NODE).
        !            32:    The COMPLEXITY field holds the class level (usually 0).  */
        !            33: DEFTREECODE (SCOPE_REF, "scope_ref", "r", 2)
        !            34: 
        !            35: /* When composing an object with a member, this is the result.
        !            36:    Operand 0 is the object.  Operand 1 is the member (usually
        !            37:    a dereferenced pointer to member).  */
        !            38: DEFTREECODE (MEMBER_REF, "member_ref", "r", 2)
        !            39: 
        !            40: /* Type conversion operator in C++.  TREE_TYPE is type that this
        !            41:    operator converts to.  Operand is expression to be converted.  */
        !            42: DEFTREECODE (TYPE_EXPR, "type_expr", "e", 1)
        !            43: 
        !            44: /* For CPLUS_NEW_EXPR, operand 0 is function which performs initialization,
        !            45:    operand 1 is argument list to initialization function,
        !            46:    and operand 2 is the slot which was allocated for this expression.  */
        !            47: DEFTREECODE (NEW_EXPR, "nw_expr", "e", 3)
        !            48: 
        !            49: /* Distinguish variables that are only used to identify exceptions
        !            50:    that were caught.  Only the DECL_NAME (and TREE_CHAIN)
        !            51:    is really used.  */
        !            52: DEFTREECODE (CPLUS_CATCH_DECL, "catch_decl", "d", 0)
        !            53: 
        !            54: /* Template definition.  The following fields have the specified uses,
        !            55:    although there are other macros in cp-tree.h that should be used for
        !            56:    accessing this data.
        !            57:         DECL_ARGUMENTS          template parm vector
        !            58:         DECL_TEMPLATE_INFO      template text &c
        !            59:        DECL_VINDEX             list of instantiations already produced;
        !            60:                                only done for functions so far
        !            61:    For class template:
        !            62:         DECL_INITIAL            associated templates (methods &c)
        !            63:         DECL_RESULT             null
        !            64:    For non-class templates:
        !            65:        TREE_TYPE               type of object to be constructed
        !            66:         DECL_RESULT             decl for object to be created
        !            67:                                 (e.g., FUNCTION_DECL with tmpl parms used)
        !            68:  */
        !            69: DEFTREECODE (TEMPLATE_DECL, "template_decl", "d", 0)
        !            70: 
        !            71: /* Index into a template parameter list.  This parameter must be a type.
        !            72:    Use TYPE_FIELDS to find parmlist and index.  */
        !            73: DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", "t", 0)
        !            74: 
        !            75: /* Index into a template parameter list.  This parameter must not be a
        !            76:    type.  */
        !            77: DEFTREECODE (TEMPLATE_CONST_PARM, "template_const_parm", "c", 2)
        !            78: 
        !            79: /* For uninstantiated parameterized types.
        !            80:         TYPE_VALUES     tree list:
        !            81:                 TREE_PURPOSE    template decl
        !            82:                 TREE_VALUE      parm vector
        !            83:                 TREE_CHAIN      null
        !            84:    Other useful fields to be defined later.  */
        !            85: DEFTREECODE (UNINSTANTIATED_P_TYPE, "uninstantiated_p_type", "t", 0)

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