X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fcp%2Fcp-tree.def;h=e7ef2b9dca779b78e46a3d0d8a2f59c0b99918f3;hb=59814d6aec0aee03402040826d5513d7a40fe235;hp=9665a4d916dca73b9547c1fe76845a86a527fb7f;hpb=b4dae43c16aabc5cac84fb5ece8365b8921a5307;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/cp/cp-tree.def b/gcc/cp/cp-tree.def index 9665a4d916d..e7ef2b9dca7 100644 --- a/gcc/cp/cp-tree.def +++ b/gcc/cp/cp-tree.def @@ -1,7 +1,8 @@ /* 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 Free Software Foundation, Inc. + Copyright (C) 1987, 1988, 1990, 1993, 1997, 1998, + 1999, 2000, 2001 Free Software Foundation, Inc. Hacked by Michael Tiemann (tiemann@cygnus.com) This file is part of GNU CC. @@ -29,6 +30,17 @@ Boston, MA 02111-1307, USA. */ 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', 2) + +/* 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. */ @@ -50,20 +62,18 @@ DEFTREECODE (MEMBER_REF, "member_ref", 'r', 2) operator converts to. Operand is expression to be converted. */ DEFTREECODE (TYPE_EXPR, "type_expr", 'e', 1) -/* For NEW_EXPR, operand 0 is function which performs initialization, +/* 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 (NEW_EXPR, "nw_expr", 'e', 3) -DEFTREECODE (VEC_NEW_EXPR, "vec_nw_expr", 'e', 3) +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) +/* An empty class object. The TREE_TYPE gives the class type. We use + these to avoid actually creating instances of the empty classes. */ +DEFTREECODE (EMPTY_CLASS_EXPR, "empty_class_expr", 'e', 0) /* Template definition. The following fields have the specified uses, although there are other macros in cp-tree.h that should be used for @@ -74,85 +84,168 @@ DEFTREECODE (VEC_INIT_EXPR, "vec_init_expr", 'e', 3) only done for functions so far For class template: DECL_INITIAL associated templates (methods &c) - DECL_RESULT null + DECL_TEMPLATE_RESULT null For non-class templates: TREE_TYPE type of object to be constructed - DECL_RESULT decl for object to be created + DECL_TEMPLATE_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 // Index 0, Level 1. + struct S + { + template // 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, we will have: + + struct S + { + template // 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(tree) - 1) in the next expression + is to handle the case when padding pushes us past an even + multiple of sizeof(tree). */ + /* We used to try to calculate this using + 1+3*sizeof(HOST_WIDE_INT), but that fails if alignment + makes it bigger. */ + ((sizeof (template_parm_index) - sizeof (struct tree_common)) + + sizeof (tree) - 1) + / sizeof (tree)) + /* Index into a template parameter list. This parameter must be a type. - Use TYPE_FIELDS to find parmlist and index. */ + The TYPE_FIELDS value will be a TEMPLATE_PARM_INDEX. */ DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", 't', 0) -/* A type designated by 'typename T::t'. */ -DEFTREECODE (TYPENAME_TYPE, "typename_type", 't', 0) - -/* Index into a template parameter list. This parameter must not be a - type. */ -DEFTREECODE (TEMPLATE_CONST_PARM, "template_const_parm", 'c', 3) +/* Index into a template parameter list for template template parameters. + This parameter must be a type. The TYPE_FIELDS value will be a + TEMPLATE_PARM_INDEX. -/* A thunk is a stub function. + It is used without template arguments like TT in C, + TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO is NULL_TREE + and TYPE_NAME is a TEMPLATE_DECL. */ +DEFTREECODE (TEMPLATE_TEMPLATE_PARM, "template_template_parm", 't', 0) - 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). +/* Like TEMPLATE_TEMPLATE_PARM it is used with bound template arguments + like TT. + In this case, TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO contains the + template name and its bound arguments. TYPE_NAME is a TYPE_DECL. */ +DEFTREECODE (BOUND_TEMPLATE_TEMPLATE_PARM, "bound_template_template_parm", 't', 0) - Other kinds of thunks may be defined later. */ -DEFTREECODE (THUNK_DECL, "thunk_decl", 'd', 0) +/* A type designated by `typename T::t'. TYPE_CONTEXT is `T', + TYPE_NAME is an IDENTIFIER_NODE for `t'. If the type was named via + template-id, TYPENAME_TYPE_FULLNAME will hold the TEMPLATE_ID_EXPR. + 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 namespace declaration. */ -DEFTREECODE (NAMESPACE_DECL, "namespace_decl", 'd', 0) +/* A type designated by `__typeof (expr)'. TYPE_FIELDS is the + expression in question. */ +DEFTREECODE (TYPEOF_TYPE, "typeof_type", 't', 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) +/* A using directive. The operand is USING_STMT_NAMESPACE. */ +DEFTREECODE (USING_STMT, "using_directive", 'e', 1) + /* An un-parsed default argument. Looks like an IDENTIFIER_NODE. */ -DEFTREECODE (DEFAULT_ARG, "default_arg", 'c', 2) - -/* A template-id, like foo. 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 will will be an IDENTIFIER_NODE. */ +DEFTREECODE (DEFAULT_ARG, "default_arg", 'x', 2) + +/* A template-id, like foo. The first operand is the template. + The second is the TREE_LIST or TREE_VEC of explicitly specified + arguments. The template will be a FUNCTION_DECL, TEMPLATE_DECL, or + an OVERLOAD. 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) + +/* 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 (LOOKUP_EXPR, "lookup_expr", 'e', 2) 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 (ARROW_EXPR, "arrow_expr", 'e', 1) DEFTREECODE (DOTSTAR_EXPR, "dotstar_expr", 'e', 2) DEFTREECODE (TYPEID_EXPR, "typeid_expr", 'e', 1) +DEFTREECODE (PSEUDO_DTOR_EXPR, "pseudo_dtor_expr", 'e', 3) -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) - +/* A SUBOBJECT statement marks the point at which a sub-object is + fully constructed. After this point, the SUBOBJECT_CLEANUP must be + run if an exception is thrown before the end of the enclosing + function. */ +DEFTREECODE (SUBOBJECT, "subobject", 'e', 1) +/* An CTOR_STMT marks the beginning (if CTOR_BEGIN_P holds) or end of + a constructor (if CTOR_END_P) holds. At the end of a constructor, + the cleanups associated with any SUBOBJECT_CLEANUPS need no longer + be run. */ +DEFTREECODE (CTOR_STMT, "ctor_stmt", 'e', 0) +/* A CLEANUP_STMT marks the point at which a declaration is fully + constructed. If, after this point, the CLEANUP_DECL goes out of + scope, the CLEANUP_EXPR must be run. */ +DEFTREECODE (CLEANUP_STMT, "cleanup_stmt", 'e', 2) 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 (TRY_BLOCK, "try_block", 'e', 2) +DEFTREECODE (EH_SPEC_BLOCK, "eh_spec_block", 'e', 2) +/* A HANDLER wraps a catch handler for the HANDLER_TYPE. If this is + CATCH_ALL_TYPE, then the handler catches all types. The declaration of + the catch variable is in HANDLER_PARMS, and the body block in + HANDLER_BODY. */ +DEFTREECODE (HANDLER, "handler", 'e', 2) + +/* A MUST_NOT_THROW_EXPR wraps an expression that may not + throw, and must call terminate if it does. */ +DEFTREECODE (MUST_NOT_THROW_EXPR, "must_not_throw_expr", 'e', 1) + +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) @@ -162,8 +255,12 @@ 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', 4) +DEFTREECODE (USER_CONV, "user_conv", 'e', 2) DEFTREECODE (AMBIG_CONV, "ambig_conv", 'e', 1) DEFTREECODE (RVALUE_CONV, "rvalue_conv", 'e', 1) -DEFTREECODE (TAG_DEFN, "tag_defn", 'e', 0) +/* +Local variables: +mode:c +End: +*/