34527405c3
directory, this is being done now. We will live with two trees until the "formal" switch over by changing src/gnu/usr.bin/Makefile.
117 lines
4.9 KiB
Modula-2
117 lines
4.9 KiB
Modula-2
/* This file contains the definitions and documentation for the
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additional tree codes used in the GNU C++ compiler (see tree.def
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for the standard codes).
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Copyright (C) 1987, 1988, 1990, 1993 Free Software Foundation, Inc.
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Hacked by Michael Tiemann (tiemann@cygnus.com)
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Reference to the contents of an offset
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(a value whose type is an OFFSET_TYPE).
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Operand 0 is the object within which the offset is taken.
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Operand 1 is the offset. The language independent OFFSET_REF
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just won't work for us. */
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DEFTREECODE (CP_OFFSET_REF, "cp_offset_ref", "r", 2)
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/* For DELETE_EXPR, operand 0 is the store to be destroyed.
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Operand 1 is the value to pass to the destroying function
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saying whether the store should be deallocated as well. */
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DEFTREECODE (DELETE_EXPR, "dl_expr", "e", 2)
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DEFTREECODE (VEC_DELETE_EXPR, "vec_dl_expr", "e", 2)
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/* For a UNSAVE_EXPR, operand 0 is the value to unsave. By unsave, we
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mean that all _EXPRs such as TARGET_EXPRs, SAVE_EXPRs,
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WITH_CLEANUP_EXPRs, CALL_EXPRs and RTL_EXPRs, that are protected
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from being evaluated more than once should be reset so that a new
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expand_expr call of this expr will cause those to be re-evaluated.
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This is useful when we want to reuse a tree in different places,
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but where we must re-expand. */
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DEFTREECODE (UNSAVE_EXPR, "unsave_expr", "e", 1)
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/* Value is reference to particular overloaded class method.
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Operand 0 is the class name (an IDENTIFIER_NODE);
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operand 1 is the field (also an IDENTIFIER_NODE).
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The COMPLEXITY field holds the class level (usually 0). */
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DEFTREECODE (SCOPE_REF, "scope_ref", "r", 2)
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/* When composing an object with a member, this is the result.
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Operand 0 is the object. Operand 1 is the member (usually
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a dereferenced pointer to member). */
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DEFTREECODE (MEMBER_REF, "member_ref", "r", 2)
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/* Type conversion operator in C++. TREE_TYPE is type that this
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operator converts to. Operand is expression to be converted. */
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DEFTREECODE (TYPE_EXPR, "type_expr", "e", 1)
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/* For CPLUS_NEW_EXPR, operand 0 is function which performs initialization,
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operand 1 is argument list to initialization function,
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and operand 2 is the slot which was allocated for this expression. */
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DEFTREECODE (NEW_EXPR, "nw_expr", "e", 3)
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DEFTREECODE (VEC_NEW_EXPR, "vec_nw_expr", "e", 3)
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/* A throw expression. operand 0 is the expression, if there was one,
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else it is NULL_TREE. */
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DEFTREECODE (THROW_EXPR, "throw_expr", "e", 1)
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/* Template definition. The following fields have the specified uses,
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although there are other macros in cp-tree.h that should be used for
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accessing this data.
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DECL_ARGUMENTS template parm vector
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DECL_TEMPLATE_INFO template text &c
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DECL_VINDEX list of instantiations already produced;
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only done for functions so far
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For class template:
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DECL_INITIAL associated templates (methods &c)
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DECL_RESULT null
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For non-class templates:
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TREE_TYPE type of object to be constructed
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DECL_RESULT decl for object to be created
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(e.g., FUNCTION_DECL with tmpl parms used)
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*/
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DEFTREECODE (TEMPLATE_DECL, "template_decl", "d", 0)
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/* Index into a template parameter list. This parameter must be a type.
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Use TYPE_FIELDS to find parmlist and index. */
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DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", "t", 0)
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/* Index into a template parameter list. This parameter must not be a
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type. */
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DEFTREECODE (TEMPLATE_CONST_PARM, "template_const_parm", "c", 2)
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/* For uninstantiated parameterized types.
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TYPE_VALUES tree list:
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TREE_PURPOSE template decl
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TREE_VALUE parm vector
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TREE_CHAIN null
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Other useful fields to be defined later. */
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DEFTREECODE (UNINSTANTIATED_P_TYPE, "uninstantiated_p_type", "t", 0)
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/* A thunk is a stub function.
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Thunks are used to implement multiple inheritance:
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At run-time, such a thunk subtracts THUNK_DELTA (an int, not a tree)
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from the this pointer, and then jumps to DECL_INITIAL
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(which is an ADDR_EXPR whose operand is a FUNCTION_DECL).
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Other kinds of thunks may be defined later. */
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DEFTREECODE (THUNK_DECL, "thunk_decl", "d", 0)
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/* A namespace declaration. */
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DEFTREECODE (NAMESPACE_DECL, "namespace_decl", "d", 0)
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