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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/cp/cp-tree.def')
-rw-r--r-- | gcc-4.2.1-5666.3/gcc/cp/cp-tree.def | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/cp/cp-tree.def b/gcc-4.2.1-5666.3/gcc/cp/cp-tree.def new file mode 100644 index 000000000..5915fb679 --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/cp/cp-tree.def @@ -0,0 +1,354 @@ +/* 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, 2003, 2004, 2005, + 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + Hacked by Michael Tiemann (tiemann@cygnus.com) + +This file is part of GCC. + +GCC 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. + +GCC 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 GCC; see the file COPYING. If not, write to +the Free Software Foundation, 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + + +/* An OFFSET_REF is used in two situations: + + 1. An expression of the form `A::m' where `A' is a class and `m' is + a non-static member. In this case, operand 0 will be a TYPE + (corresponding to `A') and operand 1 will be a FIELD_DECL, + BASELINK, or TEMPLATE_ID_EXPR (corresponding to `m'). + + The expression is a pointer-to-member if its address is taken, + but simply denotes a member of the object if its address is not + taken. + + This form is only used during the parsing phase; once semantic + analysis has taken place they are eliminated. + + 2. An expression of the form `x.*p'. In this case, operand 0 will + be an expression corresponding to `x' and operand 1 will be an + expression with pointer-to-member type. */ +DEFTREECODE (OFFSET_REF, "offset_ref", tcc_reference, 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", tcc_constant, 0) + +/* For NEW_EXPR, operand 0 is the placement list. + Operand 1 is the new-declarator. + Operand 2 is the number of elements in the array. + Operand 3 is the initializer. */ +DEFTREECODE (NEW_EXPR, "nw_expr", tcc_expression, 4) +DEFTREECODE (VEC_NEW_EXPR, "vec_nw_expr", tcc_expression, 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", tcc_expression, 2) +DEFTREECODE (VEC_DELETE_EXPR, "vec_dl_expr", tcc_expression, 2) + +/* Value is reference to particular overloaded class method. + Operand 0 is the class, operand 1 is the field + The COMPLEXITY field holds the class level (usually 0). */ +DEFTREECODE (SCOPE_REF, "scope_ref", tcc_reference, 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", tcc_reference, 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", tcc_expression, 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", tcc_expression, 3) + +/* A throw expression. operand 0 is the expression, if there was one, + else it is NULL_TREE. */ +DEFTREECODE (THROW_EXPR, "throw_expr", tcc_expression, 1) + +/* 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", tcc_expression, 0) + +/* A reference to a member function or member functions from a base + class. BASELINK_FUNCTIONS gives the FUNCTION_DECL, + TEMPLATE_DECL, OVERLOAD, or TEMPLATE_ID_EXPR corresponding to the + functions. BASELINK_BINFO gives the base from which the functions + come, i.e., the base to which the `this' pointer must be converted + before the functions are called. BASELINK_ACCESS_BINFO gives the + base used to name the functions. + + A BASELINK is an expression; the TREE_TYPE of the BASELINK gives + the type of the expression. This type is either a FUNCTION_TYPE, + METHOD_TYPE, or `unknown_type_node' indicating that the function is + overloaded. */ +DEFTREECODE (BASELINK, "baselink", tcc_exceptional, 0) + +/* 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_TEMPLATE_RESULT null + For non-class templates: + TREE_TYPE type of object to be constructed + DECL_TEMPLATE_RESULT decl for object to be created + (e.g., FUNCTION_DECL with tmpl parms used) + */ +DEFTREECODE (TEMPLATE_DECL, "template_decl", tcc_declaration, 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", tcc_exceptional, 0) + +/* 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", tcc_type, 0) + +/* The ordering of the following codes is optimized for the checking + macros in tree.h. Changing the order will degrade the speed of the + compiler. TEMPLATE_TYPE_PARM, TYPENAME_TYPE, TYPEOF_TYPE, + BOUND_TEMPLATE_TEMPLATE_PARM. */ + +/* Index into a template parameter list. This parameter must be a type. + The type.values field will be a TEMPLATE_PARM_INDEX. */ +DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", tcc_type, 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. + TREE_TYPE is always NULL. */ +DEFTREECODE (TYPENAME_TYPE, "typename_type", tcc_type, 0) + +/* A type designated by `__typeof (expr)'. TYPEOF_TYPE_EXPR is the + expression in question. */ +DEFTREECODE (TYPEOF_TYPE, "typeof_type", tcc_type, 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", + tcc_type, 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", tcc_type, 0) + +/* A using declaration. USING_DECL_SCOPE contains the specified + scope. In a member using decl, unless DECL_DEPENDENT_P is true, + USING_DECL_DECLS contains the _DECL or OVERLOAD so named. This is + not an alias, but is later expanded into multiple aliases. */ +DEFTREECODE (USING_DECL, "using_decl", tcc_declaration, 0) + +/* A using directive. The operand is USING_STMT_NAMESPACE. */ +DEFTREECODE (USING_STMT, "using_directive", tcc_statement, 1) + +/* An un-parsed default argument. Holds a vector of input tokens and + a vector of places where the argument was instantiated before + parsing had occurred. */ +DEFTREECODE (DEFAULT_ARG, "default_arg", tcc_exceptional, 0) + +/* A template-id, like foo<int>. The first operand is the template. + The second is NULL if there are no explicit arguments, or a + TREE_VEC of 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", tcc_expression, 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", tcc_exceptional, 0) + +/* A pseudo-destructor, of the form "OBJECT.~DESTRUCTOR" or + "OBJECT.SCOPE::~DESTRUCTOR. The first operand is the OBJECT. The + second operand (if non-NULL) is the SCOPE. The third operand is + the TYPE node corresponding to the DESTRUCTOR. The type of the + first operand will always be a scalar type. + + The type of a PSEUDO_DTOR_EXPR is always "void", even though it can + be used as if it were a zero-argument function. We handle the + function-call case specially, and giving it "void" type prevents it + being used in expressions in ways that are not permitted. */ +DEFTREECODE (PSEUDO_DTOR_EXPR, "pseudo_dtor_expr", tcc_expression, 3) + +/* A whole bunch of tree codes for the initial, superficial parsing of + templates. */ +DEFTREECODE (MODOP_EXPR, "modop_expr", tcc_expression, 3) +DEFTREECODE (CAST_EXPR, "cast_expr", tcc_unary, 1) +DEFTREECODE (REINTERPRET_CAST_EXPR, "reinterpret_cast_expr", tcc_unary, 1) +DEFTREECODE (CONST_CAST_EXPR, "const_cast_expr", tcc_unary, 1) +DEFTREECODE (STATIC_CAST_EXPR, "static_cast_expr", tcc_unary, 1) +DEFTREECODE (DYNAMIC_CAST_EXPR, "dynamic_cast_expr", tcc_unary, 1) +DEFTREECODE (DOTSTAR_EXPR, "dotstar_expr", tcc_expression, 2) +DEFTREECODE (TYPEID_EXPR, "typeid_expr", tcc_expression, 1) + +/* A placeholder for an expression that is not type-dependent, but + does occur in a template. When an expression that is not + type-dependent appears in a larger expression, we must compute the + type of that larger expression. That computation would normally + modify the original expression, which would change the mangling of + that expression if it appeared in a template argument list. In + that situation, we create a NON_DEPENDENT_EXPR to take the place of + the original expression. The expression is the only operand -- it + is only needed for diagnostics. */ +DEFTREECODE (NON_DEPENDENT_EXPR, "non_dependent_expr", tcc_expression, 1) + +/* 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", tcc_expression, 1) + +DEFTREECODE (TRY_BLOCK, "try_block", tcc_statement, 2) + +DEFTREECODE (EH_SPEC_BLOCK, "eh_spec_block", tcc_statement, 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", tcc_statement, 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", tcc_expression, 1) + +/* A CLEANUP_STMT marks the point at which a declaration is fully + constructed. The CLEANUP_EXPR is run on behalf of CLEANUP_DECL + when CLEANUP_BODY completes. */ +DEFTREECODE (CLEANUP_STMT, "cleanup_stmt", tcc_statement, 3) + +/* Represents an 'if' statement. The operands are IF_COND, + THEN_CLAUSE, and ELSE_CLAUSE, respectively. */ +/* ??? It is currently still necessary to distinguish between IF_STMT + and COND_EXPR for the benefit of templates. */ +DEFTREECODE (IF_STMT, "if_stmt", tcc_statement, 3) + +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ +/* Used to represent a `for' statement. The operands are + FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY and FOR_ATTRIBUTES + respectively. */ +DEFTREECODE (FOR_STMT, "for_stmt", tcc_statement, 5) + +/* Used to represent a 'while' statement. The operands are WHILE_COND + WHILE_BODY, and WHILE_ATTRIBUTES respectively. */ +DEFTREECODE (WHILE_STMT, "while_stmt", tcc_statement, 3) + +/* APPLE LOCAL begin radar 4445586 */ +/* Used to represent a 'do' statement. The operands are DO_BODY, + DO_COND, DO_ATTRIBUTES, and DO_FOREACH respectively. */ +DEFTREECODE (DO_STMT, "do_stmt", tcc_statement, 4) +/* APPLE LOCAL end radar 4445586 */ + +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ +/* Used to represent a 'break' statement. */ +DEFTREECODE (BREAK_STMT, "break_stmt", tcc_statement, 0) + +/* Used to represent a 'continue' statement. */ +DEFTREECODE (CONTINUE_STMT, "continue_stmt", tcc_statement, 0) + +/* Used to represent a 'switch' statement. The operands are + SWITCH_STMT_COND, SWITCH_STMT_BODY and SWITCH_STMT_TYPE, respectively. */ +DEFTREECODE (SWITCH_STMT, "switch_stmt", tcc_statement, 3) + +/* Used to represent an expression statement. Use `EXPR_STMT_EXPR' to + obtain the expression. */ +DEFTREECODE (EXPR_STMT, "expr_stmt", tcc_expression, 1) + +DEFTREECODE (TAG_DEFN, "tag_defn", tcc_expression, 0) + +/* Template instantiation level node. + + TINST_DECL contains the original DECL node. + TINST_LOCATION contains the location where the template is instantiated. + TINST_IN_SYSTEM_HEADER_P is true if the location is in a system header. + + A stack of template instantiation nodes is kept through the TREE_CHAIN + fields of these nodes. */ + +DEFTREECODE (TINST_LEVEL, "TINST_LEVEL", tcc_exceptional, 0) + +/* Represents an 'offsetof' expression during template expansion. */ +DEFTREECODE (OFFSETOF_EXPR, "offsetof_expr", tcc_expression, 1) + +/* Represents a 'sizeof' expression during template expansion. */ +DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", tcc_expression, 1) + +/* Represents the -> operator during template expansion. */ +DEFTREECODE (ARROW_EXPR, "arrow_expr", tcc_expression, 1) + +/* Represents an '__alignof__' expression during template + expansion. */ +DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", tcc_expression, 1) + +/* A STMT_EXPR represents a statement-expression during template + expansion. This is the GCC extension { ( ... ) }. The + STMT_EXPR_STMT is the statement given by the expression. */ +DEFTREECODE (STMT_EXPR, "stmt_expr", tcc_expression, 1) + +/* Unary plus. Operand 0 is the expression to which the unary plus + is applied. */ +DEFTREECODE (UNARY_PLUS_EXPR, "unary_plus_expr", tcc_unary, 1) + +/* +Local variables: +mode:c +End: +*/ |