/* Separate lexical analyzer for GNU C++.
Copyright (C) 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Hacked by Michael Tiemann (tiemann@cygnus.com)
This file is part of GCC.
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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
/* This file is the lexical analyzer for GNU C++. */
: &operator_name_info[(int) CODE]); \
oni->identifier = identifier; \
oni->name = NAME; \
- oni->mangled_name = MANGLING; \
+ oni->mangled_name = MANGLING; \
oni->arity = ARITY;
#include "operators.def"
operator_name_info [(int) TRUTH_AND_EXPR].name = "strict &&";
operator_name_info [(int) TRUTH_OR_EXPR].name = "strict ||";
operator_name_info [(int) RANGE_EXPR].name = "...";
- operator_name_info [(int) CONVERT_EXPR].name = "+";
+ operator_name_info [(int) UNARY_PLUS_EXPR].name = "+";
assignment_operator_name_info [(int) EXACT_DIV_EXPR].name
= "(exact /=)";
_true_. */
#define D_EXT 0x01 /* GCC extension */
#define D_ASM 0x02 /* in C99, but has a switch to turn it off */
+#define D_OBJC 0x04 /* Objective C++ only */
CONSTRAINT(ridbits_fit, RID_LAST_MODIFIER < sizeof(unsigned long) * CHAR_BIT);
{ "_Complex", RID_COMPLEX, 0 },
{ "__FUNCTION__", RID_FUNCTION_NAME, 0 },
{ "__PRETTY_FUNCTION__", RID_PRETTY_FUNCTION_NAME, 0 },
- { "__alignof", RID_ALIGNOF, 0 },
+ { "__alignof", RID_ALIGNOF, 0 },
{ "__alignof__", RID_ALIGNOF, 0 },
{ "__asm", RID_ASM, 0 },
{ "__asm__", RID_ASM, 0 },
{ "virtual", RID_VIRTUAL, 0 },
{ "void", RID_VOID, 0 },
{ "volatile", RID_VOLATILE, 0 },
- { "wchar_t", RID_WCHAR, 0 },
+ { "wchar_t", RID_WCHAR, 0 },
{ "while", RID_WHILE, 0 },
+ /* The remaining keywords are specific to Objective-C++. NB:
+ All of them will remain _disabled_, since they are context-
+ sensitive. */
+
+ /* These ObjC keywords are recognized only immediately after
+ an '@'. NB: The following C++ keywords double as
+ ObjC keywords in this context: RID_CLASS, RID_PRIVATE,
+ RID_PROTECTED, RID_PUBLIC, RID_THROW, RID_TRY and RID_CATCH. */
+ { "compatibility_alias", RID_AT_ALIAS, D_OBJC },
+ { "defs", RID_AT_DEFS, D_OBJC },
+ { "encode", RID_AT_ENCODE, D_OBJC },
+ { "end", RID_AT_END, D_OBJC },
+ { "implementation", RID_AT_IMPLEMENTATION, D_OBJC },
+ { "interface", RID_AT_INTERFACE, D_OBJC },
+ { "protocol", RID_AT_PROTOCOL, D_OBJC },
+ { "selector", RID_AT_SELECTOR, D_OBJC },
+ { "finally", RID_AT_FINALLY, D_OBJC },
+ { "synchronized", RID_AT_SYNCHRONIZED, D_OBJC },
+ /* These are recognized only in protocol-qualifier context. */
+ { "bycopy", RID_BYCOPY, D_OBJC },
+ { "byref", RID_BYREF, D_OBJC },
+ { "in", RID_IN, D_OBJC },
+ { "inout", RID_INOUT, D_OBJC },
+ { "oneway", RID_ONEWAY, D_OBJC },
+ { "out", RID_OUT, D_OBJC },
};
void
unsigned int i;
tree id;
int mask = ((flag_no_asm ? D_ASM : 0)
+ | D_OBJC
| (flag_no_gnu_keywords ? D_EXT : 0));
ridpointers = ggc_calloc ((int) RID_MAX, sizeof (tree));
c_register_pragma ("GCC", "java_exceptions", handle_pragma_java_exceptions);
}
\f
+/* TRUE if a code represents a statement. */
+
+bool statement_code_p[MAX_TREE_CODES];
+
/* Initialize the C++ front end. This function is very sensitive to
the exact order that things are done here. It would be nice if the
initialization done by this routine were moved to its subroutines,
bool
cxx_init (void)
{
+ unsigned int i;
static const enum tree_code stmt_codes[] = {
- c_common_stmt_codes,
- cp_stmt_codes
+ CTOR_INITIALIZER, TRY_BLOCK, HANDLER,
+ EH_SPEC_BLOCK, USING_STMT, TAG_DEFN,
+ IF_STMT, CLEANUP_STMT, FOR_STMT,
+ WHILE_STMT, DO_STMT, BREAK_STMT,
+ CONTINUE_STMT, SWITCH_STMT, EXPR_STMT
};
- INIT_STATEMENT_CODES (stmt_codes);
+ memset (&statement_code_p, 0, sizeof (statement_code_p));
+ for (i = 0; i < ARRAY_SIZE (stmt_codes); i++)
+ statement_code_p[stmt_codes[i]] = true;
/* We cannot just assign to input_filename because it has already
been initialized and will be used later as an N_BINCL for stabs+
cxx_init_decl_processing ();
- /* Create the built-in __null node. It is important that this is
- not shared. */
- null_node = make_node (INTEGER_CST);
- TREE_TYPE (null_node) = c_common_type_for_size (POINTER_SIZE, 0);
-
/* The fact that G++ uses COMDAT for many entities (inline
functions, template instantiations, virtual tables, etc.) mean
that it is fundamentally unreliable to try to make decisions
tree result, x;
enum cpp_ttype t;
- t = c_lex (&x);
+ t = pragma_lex (&x);
if (t == CPP_STRING)
{
result = x;
- if (c_lex (&x) != CPP_EOF)
+ if (pragma_lex (&x) != CPP_EOF)
warning (0, "junk at end of #pragma %s", name);
return result;
}
filename = ggc_strdup (TREE_STRING_POINTER (fname));
#if 0
/* We currently cannot give this diagnostic, as we reach this point
- only after cpplib has scanned the entire translation unit, so
+ only after cpplib has scanned the entire translation unit, so
cpp_included always returns true. A plausible fix is to compare
the current source-location cookie with the first source-location
cookie (if any) of the filename, but this requires completing the
}
if (ifiles == 0)
{
- ifiles = xmalloc (sizeof (struct impl_files));
+ ifiles = XNEW (struct impl_files);
ifiles->filename = filename;
ifiles->next = impl_file_chain;
impl_file_chain = ifiles;
handle_pragma_java_exceptions (cpp_reader* dfile ATTRIBUTE_UNUSED )
{
tree x;
- if (c_lex (&x) != CPP_EOF)
+ if (pragma_lex (&x) != CPP_EOF)
warning (0, "junk at end of #pragma GCC java_exceptions");
choose_personality_routine (lang_java);
declaration of "f" is available. Historically, G++ and most
other compilers accepted that usage since they deferred all name
lookup until instantiation time rather than doing unqualified
- name lookup at template definition time; explain to the user what
+ name lookup at template definition time; explain to the user what
is going wrong.
Note that we have the exact wording of the following message in
the manual (trouble.texi, node "Name lookup"), so they need to
be kept in synch. */
pedwarn ("there are no arguments to %qD that depend on a template "
- "parameter, so a declaration of %qD must be available",
+ "parameter, so a declaration of %qD must be available",
name, name);
-
+
if (!flag_permissive)
{
static bool hint;
/* All nesting of C++ functions is lexical; there is never a "static
chain" in the sense of GNU C nested functions. */
- if (code == FUNCTION_DECL)
+ if (code == FUNCTION_DECL)
DECL_NO_STATIC_CHAIN (t) = 1;
return t;
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