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Diffstat (limited to 'gcc/cp/cp-tree.def')
| -rwxr-xr-x | gcc/cp/cp-tree.def | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/gcc/cp/cp-tree.def b/gcc/cp/cp-tree.def new file mode 100755 index 0000000..2fdacfd --- /dev/null +++ b/gcc/cp/cp-tree.def @@ -0,0 +1,257 @@ +/* This file contains the definitions and documentation for the + additional tree codes used in the GNU C++ compiler (see tree.def + for the standard codes). + Copyright (C) 1987, 1988, 1990, 1993, 1997, 1998 Free Software Foundation, Inc. + Hacked by Michael Tiemann (tiemann@cygnus.com) + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + + +/* Reference to the contents of an offset + (a value whose type is an OFFSET_TYPE). + Operand 0 is the object within which the offset is taken. + Operand 1 is the offset. The language independent OFFSET_REF + just won't work for us. */ +DEFTREECODE (OFFSET_REF, "offset_ref", 'r', 2) + +/* A pointer-to-member constant. For a pointer-to-member constant + `X::Y' The PTRMEM_CST_CLASS is the RECORD_TYPE for `X' and the + PTRMEM_CST_MEMBER is the _DECL for `Y'. */ +DEFTREECODE (PTRMEM_CST, "ptrmem_cst", 'c', 1) + +/* For NEW_EXPR, operand 0 is the placement list. + Operand 1 is the new-declarator. + Operand 2 is the initializer. */ +DEFTREECODE (NEW_EXPR, "nw_expr", 'e', 3) +DEFTREECODE (VEC_NEW_EXPR, "vec_nw_expr", 'e', 3) + +/* For DELETE_EXPR, operand 0 is the store to be destroyed. + Operand 1 is the value to pass to the destroying function + saying whether the store should be deallocated as well. */ +DEFTREECODE (DELETE_EXPR, "dl_expr", 'e', 2) +DEFTREECODE (VEC_DELETE_EXPR, "vec_dl_expr", 'e', 2) + +/* Value is reference to particular overloaded class method. + Operand 0 is the class name (an IDENTIFIER_NODE); + operand 1 is the field (also an IDENTIFIER_NODE). + The COMPLEXITY field holds the class level (usually 0). */ +DEFTREECODE (SCOPE_REF, "scope_ref", 'r', 2) + +/* When composing an object with a member, this is the result. + Operand 0 is the object. Operand 1 is the member (usually + a dereferenced pointer to member). */ +DEFTREECODE (MEMBER_REF, "member_ref", 'r', 2) + +/* Type conversion operator in C++. TREE_TYPE is type that this + operator converts to. Operand is expression to be converted. */ +DEFTREECODE (TYPE_EXPR, "type_expr", 'e', 1) + +/* For AGGR_INIT_EXPR, operand 0 is function which performs initialization, + operand 1 is argument list to initialization function, + and operand 2 is the slot which was allocated for this expression. */ +DEFTREECODE (AGGR_INIT_EXPR, "aggr_init_expr", 'e', 3) + +/* A throw expression. operand 0 is the expression, if there was one, + else it is NULL_TREE. */ +DEFTREECODE (THROW_EXPR, "throw_expr", 'e', 1) + +/* Initialization of a vector, used in build_new. Operand 0 is the target + of the initialization, operand 1 is the initializer, and operand 2 is + the number of elements. */ +DEFTREECODE (VEC_INIT_EXPR, "vec_init_expr", 'e', 3) + +/* Template definition. The following fields have the specified uses, + although there are other macros in cp-tree.h that should be used for + accessing this data. + DECL_ARGUMENTS template parm vector + DECL_TEMPLATE_INFO template text &c + DECL_VINDEX list of instantiations already produced; + only done for functions so far + For class template: + DECL_INITIAL associated templates (methods &c) + DECL_RESULT null + For non-class templates: + TREE_TYPE type of object to be constructed + DECL_RESULT decl for object to be created + (e.g., FUNCTION_DECL with tmpl parms used) + */ +DEFTREECODE (TEMPLATE_DECL, "template_decl", 'd', 0) + +/* Index into a template parameter list. The TEMPLATE_PARM_IDX gives + the index (from 0) of the parameter, while the TEMPLATE_PARM_LEVEL + gives the level (from 1) of the parameter. + + Here's an example: + + template <class T> // Index 0, Level 1. + struct S + { + template <class U, // Index 0, Level 2. + class V> // Index 1, Level 2. + void f(); + }; + + The DESCENDANTS will be a chain of TEMPLATE_PARM_INDEXs descended + from this one. The first descendant will have the same IDX, but + its LEVEL will be one less. The TREE_CHAIN field is used to chain + together the descendants. The TEMPLATE_PARM_DECL is the + declaration of this parameter, either a TYPE_DECL or CONST_DECL. + The TEMPLATE_PARM_ORIG_LEVEL is the LEVEL of the most distant + parent, i.e., the LEVEL that the parameter originally had when it + was declared. For example, if we instantiate S<int>, we will have: + + struct S<int> + { + template <class U, // Index 0, Level 1, Orig Level 2 + class V> // Index 1, Level 1, Orig Level 2 + void f(); + }; + + The LEVEL is the level of the parameter when we are worrying about + the types of things; the ORIG_LEVEL is the level when we are + worrying about instantiating things. */ +DEFTREECODE (TEMPLATE_PARM_INDEX, "template_parm_index", 'x', + /* The addition of (sizeof(char*) - 1) in the next + expression is to ensure against the case where + sizeof(char*) does not evenly divide + sizeof(HOST_WIDE_INT). */ + 2 + ((3 * sizeof (HOST_WIDE_INT) + sizeof(char*) - 1) + / sizeof (char*))) + +/* Index into a template parameter list. This parameter must be a type. + The TYPE_FIELDS value will be a TEMPLATE_PARM_INDEX. */ +DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", 't', 0) + +/* Index into a template parameter list. This parameter must be a type. + If it is used in signature of a template, TEMPLATE_INFO is NULL_TREE. + Otherwise it is used to declare a type like TT<int>. + The TYPE_FIELDS value will be a TEMPLATE_PARM_INDEX. */ +DEFTREECODE (TEMPLATE_TEMPLATE_PARM, "template_template_parm", 't', 0) + +/* A type designated by `typename T::t'. TYPE_CONTEXT is `T', + TYPE_NAME is a TYPE_DECL for `t'. If TREE_TYPE is present, this + type was generated by the implicit typename extension, and the + TREE_TYPE is a _TYPE from a baseclass of `T'. */ +DEFTREECODE (TYPENAME_TYPE, "typename_type", 't', 0) + +/* A type designated by `__typeof (expr)'. TYPE_FIELDS is the + expression in question. */ +DEFTREECODE (TYPEOF_TYPE, "typeof_type", 't', 0) + +/* A thunk is a stub function. + + Thunks are used to implement multiple inheritance: + At run-time, such a thunk subtracts THUNK_DELTA (an int, not a tree) + from the this pointer, and then jumps to DECL_INITIAL + (which is an ADDR_EXPR whose operand is a FUNCTION_DECL). + + Other kinds of thunks may be defined later. */ +DEFTREECODE (THUNK_DECL, "thunk_decl", 'd', 0) + +/* A using declaration. DECL_INITIAL contains the specified scope. + This is not an alias, but is later expanded into multiple aliases. */ +DEFTREECODE (USING_DECL, "using_decl", 'd', 0) + +/* An un-parsed default argument. Looks like an IDENTIFIER_NODE. */ +DEFTREECODE (DEFAULT_ARG, "default_arg", 'c', 2) + +/* A template-id, like foo<int>. The first operand is the template. + The second is the list of explicitly specified arguments. The + template will be a FUNCTION_DECL, TEMPLATE_DECL, or a list of + overloaded functions and templates if the template-id refers to + a global template. If the template-id refers to a member template, + the template may be an IDENTIFIER_NODE. */ +DEFTREECODE (TEMPLATE_ID_EXPR, "template_id_expr", 'e', 2) + +/* An association between name and entity. Parameters are the scope + and the (non-type) value. TREE_TYPE indicates the type bound to + the name. */ +DEFTREECODE (CPLUS_BINDING, "binding", 'x', 2) + +/* A list-like node for chaining overloading candidates. TREE_TYPE is + the original name, and the parameter is the FUNCTION_DECL. */ +DEFTREECODE (OVERLOAD, "overload", 'x', 1) + +/* A generic wrapper for something not tree that we want to include in + tree structure. */ +DEFTREECODE (WRAPPER, "wrapper", 'x', 1) + +/* A node to remember a source position. */ +DEFTREECODE (SRCLOC, "srcloc", 'x', 2) + +/* Used to represent deferred name lookup for dependent names while + parsing a template declaration. The first argument is an + IDENTIFIER_NODE for the name in question. The TREE_TYPE is + unused. */ +DEFTREECODE (LOOKUP_EXPR, "lookup_expr", 'e', 1) + +/* A whole bunch of tree codes for the initial, superficial parsing of + templates. */ +DEFTREECODE (MODOP_EXPR, "modop_expr", 'e', 3) +DEFTREECODE (CAST_EXPR, "cast_expr", '1', 1) +DEFTREECODE (REINTERPRET_CAST_EXPR, "reinterpret_cast_expr", '1', 1) +DEFTREECODE (CONST_CAST_EXPR, "const_cast_expr", '1', 1) +DEFTREECODE (STATIC_CAST_EXPR, "static_cast_expr", '1', 1) +DEFTREECODE (DYNAMIC_CAST_EXPR, "dynamic_cast_expr", '1', 1) +DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", '1', 1) +DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", '1', 1) +DEFTREECODE (ARROW_EXPR, "arrow_expr", 'e', 1) +DEFTREECODE (DOTSTAR_EXPR, "dotstar_expr", 'e', 2) +DEFTREECODE (TYPEID_EXPR, "typeid_expr", 'e', 1) + +DEFTREECODE (EXPR_STMT, "expr_stmt", 'e', 1) +DEFTREECODE (COMPOUND_STMT, "compound_stmt", 'e', 1) +DEFTREECODE (DECL_STMT, "decl_stmt", 'e', 3) +DEFTREECODE (IF_STMT, "if_stmt", 'e', 3) +DEFTREECODE (FOR_STMT, "for_stmt", 'e', 4) +DEFTREECODE (WHILE_STMT, "while_stmt", 'e', 2) +DEFTREECODE (DO_STMT, "do_stmt", 'e', 2) +DEFTREECODE (RETURN_STMT, "return_stmt", 'e', 1) +DEFTREECODE (BREAK_STMT, "break_stmt", 'e', 0) +DEFTREECODE (CONTINUE_STMT, "continue_stmt", 'e', 0) +DEFTREECODE (SWITCH_STMT, "switch_stmt", 'e', 2) +DEFTREECODE (GOTO_STMT, "goto_stmt", 'e', 1) +DEFTREECODE (ASM_STMT, "asm_stmt", 'e', 5) + +DEFTREECODE (CTOR_INITIALIZER, "ctor_initializer", 'e', 2) +DEFTREECODE (CASE_LABEL, "case_label", 'e', 2) +DEFTREECODE (RETURN_INIT, "return_init", 'e', 2) +DEFTREECODE (TRY_BLOCK, "try_stmt", 'e', 2) +DEFTREECODE (HANDLER, "catch_stmt", 'e', 2) + +DEFTREECODE (TAG_DEFN, "tag_defn", 'e', 0) + +/* And some codes for expressing conversions for overload resolution. */ + +DEFTREECODE (IDENTITY_CONV, "identity_conv", 'e', 1) +DEFTREECODE (LVALUE_CONV, "lvalue_conv", 'e', 1) +DEFTREECODE (QUAL_CONV, "qual_conv", 'e', 1) +DEFTREECODE (STD_CONV, "std_conv", 'e', 1) +DEFTREECODE (PTR_CONV, "ptr_conv", 'e', 1) +DEFTREECODE (PMEM_CONV, "pmem_conv", 'e', 1) +DEFTREECODE (BASE_CONV, "base_conv", 'e', 1) +DEFTREECODE (REF_BIND, "ref_bind", 'e', 1) +DEFTREECODE (USER_CONV, "user_conv", 'e', 2) +DEFTREECODE (AMBIG_CONV, "ambig_conv", 'e', 1) +DEFTREECODE (RVALUE_CONV, "rvalue_conv", 'e', 1) + +/* +Local variables: +mode:c +End: +*/ |