/* 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.
+ 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.
/* 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)
+DEFTREECODE (PTRMEM_CST, "ptrmem_cst", 'c', 2)
/* For NEW_EXPR, operand 0 is the placement list.
Operand 1 is the new-declarator.
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
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)
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*)))
+ /* 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.
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. */
+/* 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.
+
+ It is used without template arguments like TT in C<TT>,
+ TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO is NULL_TREE
+ and TYPE_NAME is a TEMPLATE_DECL. */
DEFTREECODE (TEMPLATE_TEMPLATE_PARM, "template_template_parm", 't', 0)
+/* Like TEMPLATE_TEMPLATE_PARM it is used with bound template arguments
+ like TT<int>.
+ 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)
+
/* 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'. */
+ 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)
+/* For template template argument of the form `T::template C'.
+ TYPE_CONTEXT is `T', the template parameter dependent object.
+ TYPE_NAME is an IDENTIFIER_NODE for `C', the member class template. */
+DEFTREECODE (UNBOUND_CLASS_TEMPLATE, "unbound_class_template", '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)
+/* 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)
+DEFTREECODE (DEFAULT_ARG, "default_arg", 'x', 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 an OVERLOAD.
- If the template-id refers to a member template, the template may be
- an IDENTIFIER_NODE. */
+ 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
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
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 (PSEUDO_DTOR_EXPR, "pseudo_dtor_expr", 'e', 3)
+
+/* 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)
+/* CTOR_INITIALIZER is a placeholder in template code for a call to
+ setup_vtbl_pointer (and appears in all functions, not just ctors). */
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)
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