X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fc-tree.h;h=3bc98507eaf4927e479b257352ae506043bbb9e6;hb=de7ef844633e44948aed99a583fda34372c1760d;hp=c6e0ca967fc5c5b7a71bad432f54f43e841b2e40;hpb=2dc08a372f802ce439828093d3da39f54249978b;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/c-tree.h b/gcc/c-tree.h index c6e0ca967fc..3bc98507eaf 100644 --- a/gcc/c-tree.h +++ b/gcc/c-tree.h @@ -1,6 +1,6 @@ /* Definitions for C parsing and type checking. Copyright (C) 1987, 1993, 1994, 1995, 1997, 1998, - 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. + 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc. This file is part of GCC. @@ -16,13 +16,14 @@ 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, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ #ifndef GCC_C_TREE_H #define GCC_C_TREE_H #include "c-common.h" +#include "toplev.h" #include "diagnostic.h" /* struct lang_identifier is private to c-decl.c, but langhooks.c needs to @@ -86,7 +87,13 @@ struct lang_type GTY(()) /* For FUNCTION_DECLs, evaluates true if the decl is built-in but has been declared. */ -#define C_DECL_DECLARED_BUILTIN(EXP) DECL_LANG_FLAG_3 (EXP) +#define C_DECL_DECLARED_BUILTIN(EXP) \ + DECL_LANG_FLAG_3 (FUNCTION_DECL_CHECK (EXP)) + +/* For FUNCTION_DECLs, evaluates true if the decl is built-in, has a + built-in prototype and does not have a non-built-in prototype. */ +#define C_DECL_BUILTIN_PROTOTYPE(EXP) \ + DECL_LANG_FLAG_6 (FUNCTION_DECL_CHECK (EXP)) /* Record whether a decl was declared register. This is strictly a front-end flag, whereas DECL_REGISTER is used for code generation; @@ -97,7 +104,7 @@ struct lang_type GTY(()) unevaluated operand of sizeof / typeof / alignof. This is only used for functions declared static but not defined, though outside sizeof and typeof it is set for other function decls as well. */ -#define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (EXP) +#define C_DECL_USED(EXP) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (EXP)) /* Record whether a label was defined in a statement expression which has finished and so can no longer be jumped to. */ @@ -110,6 +117,22 @@ struct lang_type GTY(()) #define C_DECL_UNDEFINABLE_STMT_EXPR(EXP) \ DECL_LANG_FLAG_7 (LABEL_DECL_CHECK (EXP)) +/* Record whether a label was defined in the scope of an identifier + with variably modified type which has finished and so can no longer + be jumped to. */ +#define C_DECL_UNJUMPABLE_VM(EXP) \ + DECL_LANG_FLAG_3 (LABEL_DECL_CHECK (EXP)) + +/* Record whether a label was the subject of a goto from outside the + current level of scopes of identifiers with variably modified type + and so cannot be defined right now. */ +#define C_DECL_UNDEFINABLE_VM(EXP) \ + DECL_LANG_FLAG_5 (LABEL_DECL_CHECK (EXP)) + +/* Record whether a variable has been declared threadprivate by + #pragma omp threadprivate. */ +#define C_DECL_THREADPRIVATE_P(DECL) DECL_LANG_FLAG_3 (VAR_DECL_CHECK (DECL)) + /* Nonzero for a decl which either doesn't exist or isn't a prototype. N.B. Could be simplified if all built-in decls had complete prototypes (but this is presently difficult because some of them need FILE*). */ @@ -188,7 +211,10 @@ enum c_typespec_keyword { cts_char, cts_int, cts_float, - cts_double + cts_double, + cts_dfloat32, + cts_dfloat64, + cts_dfloat128 }; /* A sequence of declaration specifiers in C. */ @@ -283,6 +309,13 @@ struct c_arg_info { /* A list of non-parameter decls (notably enumeration constants) defined with the parameters. */ tree others; + /* A list of VLA sizes from the parameters. In a function + definition, these are used to ensure that side-effects in sizes + of arrays converted to pointers (such as a parameter int i[n++]) + take place; otherwise, they are ignored. */ + tree pending_sizes; + /* True when these arguments had [*]. */ + BOOL_BITFIELD had_vla_unspec : 1; }; /* A declarator. */ @@ -351,11 +384,10 @@ struct language_function GTY(()) int returns_null; int returns_abnormally; int warn_about_return_type; - int extern_inline; }; -/* Save lists of labels used or defined in particular statement - expression contexts. Allocated on the parser obstack. */ +/* Save lists of labels used or defined in particular contexts. + Allocated on the parser obstack. */ struct c_label_list { @@ -365,14 +397,43 @@ struct c_label_list struct c_label_list *next; }; -struct c_label_context +/* Statement expression context. */ + +struct c_label_context_se { /* The labels defined at this level of nesting. */ struct c_label_list *labels_def; /* The labels used at this level of nesting. */ struct c_label_list *labels_used; /* The next outermost context. */ - struct c_label_context *next; + struct c_label_context_se *next; +}; + +/* Context of variably modified declarations. */ + +struct c_label_context_vm +{ + /* The labels defined at this level of nesting. */ + struct c_label_list *labels_def; + /* The labels used at this level of nesting. */ + struct c_label_list *labels_used; + /* The scope of this context. Multiple contexts may be at the same + numbered scope, since each variably modified declaration starts a + new context. */ + unsigned scope; + /* The next outermost context. */ + struct c_label_context_vm *next; +}; + +/* Used when parsing an enum. Initialized by start_enum. */ +struct c_enum_contents +{ + /* While defining an enum type, this is 1 plus the last enumerator + constant value. */ + tree enum_next_value; + + /* Nonzero means that there was overflow computing enum_next_value. */ + int enum_overflow; }; @@ -391,8 +452,6 @@ extern int global_bindings_p (void); extern void push_scope (void); extern tree pop_scope (void); extern void insert_block (tree); -extern tree pushdecl (tree); -extern void c_expand_body (tree); extern void c_init_decl_processing (void); extern void c_dup_lang_specific_decl (tree); @@ -400,13 +459,14 @@ extern void c_print_identifier (FILE *, tree, int); extern int quals_from_declspecs (const struct c_declspecs *); extern struct c_declarator *build_array_declarator (tree, struct c_declspecs *, bool, bool); -extern tree build_enumerator (tree, tree); -extern void check_for_loop_decls (void); +extern tree build_enumerator (struct c_enum_contents *, tree, tree); +extern tree check_for_loop_decls (void); extern void mark_forward_parm_decls (void); extern void declare_parm_level (void); extern void undeclared_variable (tree, location_t); extern tree declare_label (tree); extern tree define_label (location_t, tree); +extern void c_maybe_initialize_eh (void); extern void finish_decl (tree, tree, tree); extern tree finish_enum (tree, tree, tree); extern void finish_function (void); @@ -417,20 +477,17 @@ extern tree groktypename (struct c_type_name *); extern tree grokparm (const struct c_parm *); extern tree implicitly_declare (tree); extern void keep_next_level (void); -extern tree lookup_name (tree); extern void pending_xref_error (void); extern void c_push_function_context (struct function *); extern void c_pop_function_context (struct function *); extern void push_parm_decl (const struct c_parm *); -extern tree pushdecl_top_level (tree); extern struct c_declarator *set_array_declarator_inner (struct c_declarator *, struct c_declarator *, bool); -extern tree builtin_function (const char *, tree, int, enum built_in_class, - const char *, tree); +extern tree c_builtin_function (tree); extern void shadow_tag (const struct c_declspecs *); extern void shadow_tag_warned (const struct c_declspecs *, int); -extern tree start_enum (tree); +extern tree start_enum (struct c_enum_contents *, tree); extern int start_function (struct c_declspecs *, struct c_declarator *, tree); extern tree start_decl (struct c_declarator *, struct c_declspecs *, bool, tree); @@ -465,6 +522,7 @@ extern bool c_missing_noreturn_ok_p (tree); extern tree c_objc_common_truthvalue_conversion (tree expr); extern bool c_warn_unused_global_decl (tree); extern void c_initialize_diagnostics (diagnostic_context *); +extern bool c_vla_unspec_p (tree x, tree fn); #define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \ c_build_qualified_type ((TYPE), \ @@ -477,30 +535,31 @@ extern int in_sizeof; extern int in_typeof; extern struct c_switch *c_switch_stack; -extern struct c_label_context *label_context_stack; +extern struct c_label_context_se *label_context_stack_se; +extern struct c_label_context_vm *label_context_stack_vm; extern tree require_complete_type (tree); extern int same_translation_unit_p (tree, tree); extern int comptypes (tree, tree); +extern bool c_vla_type_p (tree); extern bool c_mark_addressable (tree); extern void c_incomplete_type_error (tree, tree); extern tree c_type_promotes_to (tree); -extern tree default_conversion (tree); +extern struct c_expr default_function_array_conversion (struct c_expr); extern tree composite_type (tree, tree); extern tree build_component_ref (tree, tree); -extern tree build_indirect_ref (tree, const char *); extern tree build_array_ref (tree, tree); extern tree build_external_ref (tree, int, location_t); extern void pop_maybe_used (bool); extern struct c_expr c_expr_sizeof_expr (struct c_expr); extern struct c_expr c_expr_sizeof_type (struct c_type_name *); +extern struct c_expr parser_build_unary_op (enum tree_code, struct c_expr); extern struct c_expr parser_build_binary_op (enum tree_code, struct c_expr, struct c_expr); extern tree build_conditional_expr (tree, tree, tree); extern tree build_compound_expr (tree, tree); extern tree c_cast_expr (struct c_type_name *, tree); extern tree build_c_cast (tree, tree); -extern tree build_modify_expr (tree, enum tree_code, tree); extern void store_init_value (tree, tree); extern void error_init (const char *); extern void pedwarn_init (const char *); @@ -518,7 +577,6 @@ extern tree c_start_case (tree); extern void c_finish_case (tree); extern tree build_asm_expr (tree, tree, tree, tree, bool); extern tree build_asm_stmt (tree, tree); -extern tree c_convert_parm_for_inlining (tree, tree, tree, int); extern int c_types_compatible_p (tree, tree); extern tree c_begin_compound_stmt (bool); extern tree c_end_compound_stmt (tree, bool); @@ -532,6 +590,12 @@ extern tree c_finish_return (tree); extern tree c_finish_bc_stmt (tree *, bool); extern tree c_finish_goto_label (tree); extern tree c_finish_goto_ptr (tree); +extern void c_begin_vm_scope (unsigned int); +extern void c_end_vm_scope (unsigned int); +extern tree c_expr_to_decl (tree, bool *, bool *, bool *); +extern tree c_begin_omp_parallel (void); +extern tree c_finish_omp_parallel (tree, tree); +extern tree c_finish_omp_clauses (tree); /* Set to 0 at beginning of a function definition, set to 1 if a return statement that specifies a return value is seen. */ @@ -567,8 +631,7 @@ extern void c_write_global_declarations (void); /* In order for the format checking to accept the C frontend diagnostic framework extensions, you must include this file before toplev.h, not after. */ -#define GCC_DIAG_STYLE __gcc_cdiag__ -#if GCC_VERSION >= 3005 +#if GCC_VERSION >= 4001 #define ATTRIBUTE_GCC_CDIAG(m, n) __attribute__ ((__format__ (GCC_DIAG_STYLE, m ,n))) ATTRIBUTE_NONNULL(m) #else #define ATTRIBUTE_GCC_CDIAG(m, n) ATTRIBUTE_NONNULL(m)