diff options
Diffstat (limited to 'gcc/cp/cp-tree.def')
| -rw-r--r-- | gcc/cp/cp-tree.def | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/gcc/cp/cp-tree.def b/gcc/cp/cp-tree.def index 894b62db45c..833ad3374b3 100644 --- a/gcc/cp/cp-tree.def +++ b/gcc/cp/cp-tree.def @@ -1,7 +1,7 @@ /* 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, + 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) @@ -22,7 +22,7 @@ along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 @@ -33,7 +33,7 @@ Boston, MA 02111-1307, USA. */ 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. @@ -97,7 +97,7 @@ DEFTREECODE (ALIAS_DECL, "alias_decl", tcc_declaration, 0) 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. + 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, @@ -127,14 +127,14 @@ DEFTREECODE (TEMPLATE_DECL, "template_decl", tcc_declaration, 0) 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 @@ -151,17 +151,17 @@ DEFTREECODE (TEMPLATE_DECL, "template_decl", tcc_declaration, 0) 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 + 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>, + 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) @@ -170,7 +170,7 @@ DEFTREECODE (TEMPLATE_TEMPLATE_PARM, "template_template_parm", tcc_type, 0) 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.value field will be a TEMPLATE_PARM_INDEX. */ DEFTREECODE (TEMPLATE_TYPE_PARM, "template_type_parm", tcc_type, 0) @@ -185,7 +185,7 @@ DEFTREECODE (TYPENAME_TYPE, "typename_type", tcc_type, 0) expression in question. */ DEFTREECODE (TYPEOF_TYPE, "typeof_type", tcc_type, 0) -/* Like TEMPLATE_TEMPLATE_PARM it is used with bound template arguments +/* 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. */ @@ -203,7 +203,7 @@ DEFTREECODE (UNBOUND_CLASS_TEMPLATE, "unbound_class_template", tcc_type, 0) 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. */ +/* 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 @@ -218,7 +218,7 @@ DEFTREECODE (DEFAULT_ARG, "default_arg", tcc_exceptional, 0) 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 +/* 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) @@ -226,12 +226,12 @@ DEFTREECODE (OVERLOAD, "overload", tcc_exceptional, 0) "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. + 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. */ + 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 @@ -281,7 +281,7 @@ 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 +/* ??? 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) |