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Diffstat (limited to 'contrib/gcc/c-tree.h')
| -rw-r--r-- | contrib/gcc/c-tree.h | 554 |
1 files changed, 0 insertions, 554 deletions
diff --git a/contrib/gcc/c-tree.h b/contrib/gcc/c-tree.h deleted file mode 100644 index bcf325b68fdd..000000000000 --- a/contrib/gcc/c-tree.h +++ /dev/null @@ -1,554 +0,0 @@ -/* Definitions for C parsing and type checking. - Copyright (C) 1987, 93, 94, 95, 97, 98, 1999 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC 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. - -GNU CC 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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#ifndef _C_TREE_H -#define _C_TREE_H - -/* Language-dependent contents of an identifier. */ - -/* The limbo_value is used for block level extern declarations, which need - to be type checked against subsequent extern declarations. They can't - be referenced after they fall out of scope, so they can't be global. */ - -struct lang_identifier -{ - struct tree_identifier ignore; - tree global_value, local_value, label_value, implicit_decl; - tree error_locus, limbo_value; -}; - -/* Macros for access to language-specific slots in an identifier. */ -/* Each of these slots contains a DECL node or null. */ - -/* This represents the value which the identifier has in the - file-scope namespace. */ -#define IDENTIFIER_GLOBAL_VALUE(NODE) \ - (((struct lang_identifier *) (NODE))->global_value) -/* This represents the value which the identifier has in the current - scope. */ -#define IDENTIFIER_LOCAL_VALUE(NODE) \ - (((struct lang_identifier *) (NODE))->local_value) -/* This represents the value which the identifier has as a label in - the current label scope. */ -#define IDENTIFIER_LABEL_VALUE(NODE) \ - (((struct lang_identifier *) (NODE))->label_value) -/* This records the extern decl of this identifier, if it has had one - at any point in this compilation. */ -#define IDENTIFIER_LIMBO_VALUE(NODE) \ - (((struct lang_identifier *) (NODE))->limbo_value) -/* This records the implicit function decl of this identifier, if it - has had one at any point in this compilation. */ -#define IDENTIFIER_IMPLICIT_DECL(NODE) \ - (((struct lang_identifier *) (NODE))->implicit_decl) -/* This is the last function in which we printed an "undefined variable" - message for this identifier. Value is a FUNCTION_DECL or null. */ -#define IDENTIFIER_ERROR_LOCUS(NODE) \ - (((struct lang_identifier *) (NODE))->error_locus) - -/* In identifiers, C uses the following fields in a special way: - TREE_PUBLIC to record that there was a previous local extern decl. - TREE_USED to record that such a decl was used. - TREE_ADDRESSABLE to record that the address of such a decl was used. */ - -/* Nonzero means reject anything that ANSI standard C forbids. */ -extern int pedantic; - -/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is read-only. */ -#define C_TYPE_FIELDS_READONLY(type) TREE_LANG_FLAG_1 (type) - -/* In a RECORD_TYPE or UNION_TYPE, nonzero if any component is volatile. */ -#define C_TYPE_FIELDS_VOLATILE(type) TREE_LANG_FLAG_2 (type) - -/* In a RECORD_TYPE or UNION_TYPE or ENUMERAL_TYPE - nonzero if the definition of the type has already started. */ -#define C_TYPE_BEING_DEFINED(type) TYPE_LANG_FLAG_0 (type) - -/* C types are partitioned into three subsets: object, function, and - incomplete types. */ -#define C_TYPE_OBJECT_P(type) \ - (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type)) - -#define C_TYPE_FUNCTION_P(type) \ - (TREE_CODE (type) == FUNCTION_TYPE) - -#define C_TYPE_INCOMPLETE_P(type) \ - (TREE_CODE (type) != FUNCTION_TYPE && TYPE_SIZE (type) == 0) - -/* For convenience we define a single macro to identify the class of - object or incomplete types. */ -#define C_TYPE_OBJECT_OR_INCOMPLETE_P(type) \ - (!C_TYPE_FUNCTION_P (type)) - -/* In a RECORD_TYPE, a sorted array of the fields of the type. */ -struct lang_type -{ - int len; - tree elts[1]; -}; - -/* Mark which labels are explicitly declared. - These may be shadowed, and may be referenced from nested functions. */ -#define C_DECLARED_LABEL_FLAG(label) TREE_LANG_FLAG_1 (label) - -/* Record whether a type or decl was written with nonconstant size. - Note that TYPE_SIZE may have simplified to a constant. */ -#define C_TYPE_VARIABLE_SIZE(type) TYPE_LANG_FLAG_1 (type) -#define C_DECL_VARIABLE_SIZE(type) DECL_LANG_FLAG_0 (type) - -/* Record in each node resulting from a binary operator - what operator was specified for it. */ -#define C_EXP_ORIGINAL_CODE(exp) ((enum tree_code) TREE_COMPLEXITY (exp)) - -#if 0 /* Not used. */ -/* Record whether a decl for a function or function pointer has - already been mentioned (in a warning) because it was called - but didn't have a prototype. */ -#define C_MISSING_PROTOTYPE_WARNED(decl) DECL_LANG_FLAG_2(decl) -#endif - -/* Store a value in that field. */ -#define C_SET_EXP_ORIGINAL_CODE(exp, code) \ - (TREE_COMPLEXITY (exp) = (int) (code)) - -/* Record whether a typedef for type `int' was actually `signed int'. */ -#define C_TYPEDEF_EXPLICITLY_SIGNED(exp) DECL_LANG_FLAG_1 ((exp)) - -/* Nonzero for a declaration of a built in function if there has been no - occasion that would declare the function in ordinary C. - Using the function draws a pedantic warning in this case. */ -#define C_DECL_ANTICIPATED(exp) DECL_LANG_FLAG_3 ((exp)) - -/* For FUNCTION_TYPE, a hidden list of types of arguments. The same as - TYPE_ARG_TYPES for functions with prototypes, but created for functions - without prototypes. */ -#define TYPE_ACTUAL_ARG_TYPES(NODE) TYPE_NONCOPIED_PARTS (NODE) - -/* In a FIELD_DECL, nonzero if the decl was originally a bitfield. */ -#define DECL_C_BIT_FIELD(NODE) DECL_LANG_FLAG_4 (NODE) - -/* Nonzero if the type T promotes to itself. - ANSI C states explicitly the list of types that promote; - in particular, short promotes to int even if they have the same width. */ -#define C_PROMOTING_INTEGER_TYPE_P(t) \ - (TREE_CODE ((t)) == INTEGER_TYPE \ - && (TYPE_MAIN_VARIANT (t) == char_type_node \ - || TYPE_MAIN_VARIANT (t) == signed_char_type_node \ - || TYPE_MAIN_VARIANT (t) == unsigned_char_type_node \ - || TYPE_MAIN_VARIANT (t) == short_integer_type_node \ - || TYPE_MAIN_VARIANT (t) == short_unsigned_type_node)) - -/* In a VAR_DECL, means the variable is really an iterator. */ -#define ITERATOR_P(D) (DECL_LANG_FLAG_4(D)) - -/* In a VAR_DECL for an iterator, means we are within - an explicit loop over that iterator. */ -#define ITERATOR_BOUND_P(NODE) ((NODE)->common.readonly_flag) - -/* in c-lang.c and objc-act.c */ -extern tree lookup_interface PROTO((tree)); -extern tree is_class_name PROTO((tree)); -extern void maybe_objc_check_decl PROTO((tree)); -extern void finish_file PROTO((void)); -extern int maybe_objc_comptypes PROTO((tree, tree, int)); -extern tree maybe_building_objc_message_expr PROTO((void)); -extern tree maybe_objc_method_name PROTO((tree)); -extern int recognize_objc_keyword PROTO((void)); -extern tree build_objc_string PROTO((int, const char *)); - -/* in c-aux-info.c */ -extern void gen_aux_info_record PROTO((tree, int, int, int)); - -/* in c-common.c */ -extern void declare_function_name PROTO((void)); -extern void decl_attributes PROTO((tree, tree, tree)); -extern void init_function_format_info PROTO((void)); -extern void check_function_format PROTO((tree, tree, tree)); -extern int c_get_alias_set PROTO((tree)); -extern void c_apply_type_quals_to_decl PROTO((int, tree)); -/* Print an error message for invalid operands to arith operation CODE. - NOP_EXPR is used as a special case (see truthvalue_conversion). */ -extern void binary_op_error PROTO((enum tree_code)); -extern void c_expand_expr_stmt PROTO((tree)); -extern void c_expand_start_cond PROTO((tree, int, int)); -extern void c_expand_start_else PROTO((void)); -extern void c_expand_end_cond PROTO((void)); -/* Validate the expression after `case' and apply default promotions. */ -extern tree check_case_value PROTO((tree)); -/* Concatenate a list of STRING_CST nodes into one STRING_CST. */ -extern tree combine_strings PROTO((tree)); -extern void constant_expression_warning PROTO((tree)); -extern tree convert_and_check PROTO((tree, tree)); -extern void overflow_warning PROTO((tree)); -extern void unsigned_conversion_warning PROTO((tree, tree)); -/* Read the rest of the current #-directive line. */ -#if USE_CPPLIB -extern char *get_directive_line PROTO((void)); -#define GET_DIRECTIVE_LINE() get_directive_line () -#else -extern char *get_directive_line PROTO((FILE *)); -#define GET_DIRECTIVE_LINE() get_directive_line (finput) -#endif - -/* Subroutine of build_binary_op, used for comparison operations. - See if the operands have both been converted from subword integer types - and, if so, perhaps change them both back to their original type. */ -extern tree shorten_compare PROTO((tree *, tree *, tree *, enum tree_code *)); -/* Prepare expr to be an argument of a TRUTH_NOT_EXPR, - or validate its data type for an `if' or `while' statement or ?..: exp. */ -extern tree truthvalue_conversion PROTO((tree)); -extern tree type_for_mode PROTO((enum machine_mode, int)); -extern tree type_for_size PROTO((unsigned, int)); - -/* in c-convert.c */ -extern tree convert PROTO((tree, tree)); - -/* in c-decl.c */ -/* Standard named or nameless data types of the C compiler. */ -extern tree char_array_type_node; -extern tree char_type_node; -extern tree const_ptr_type_node; -extern tree const_string_type_node; -extern tree default_function_type; -extern tree double_ftype_double; -extern tree double_ftype_double_double; -extern tree double_type_node; -extern tree float_type_node; -#if HOST_BITS_PER_WIDE_INT >= 64 -extern tree intTI_type_node; -#endif -extern tree intDI_type_node; -extern tree intHI_type_node; -extern tree intQI_type_node; -extern tree intSI_type_node; -extern tree int_array_type_node; -extern tree int_ftype_cptr_cptr_sizet; -extern tree int_ftype_int; -extern tree int_ftype_ptr_ptr_int; -extern tree int_ftype_string_string; -extern tree integer_type_node; -extern tree long_double_type_node; -extern tree long_ftype_long; -extern tree long_integer_type_node; -extern tree long_long_integer_type_node; -extern tree long_long_unsigned_type_node; -extern tree long_unsigned_type_node; -extern tree complex_integer_type_node; -extern tree complex_float_type_node; -extern tree complex_double_type_node; -extern tree complex_long_double_type_node; -extern tree ptr_type_node; -extern tree ptrdiff_type_node; -extern tree short_integer_type_node; -extern tree short_unsigned_type_node; -extern tree signed_char_type_node; -extern tree signed_wchar_type_node; -extern tree string_ftype_ptr_ptr; -extern tree string_type_node; -extern tree unsigned_char_type_node; -#if HOST_BITS_PER_WIDE_INT >= 64 -extern tree unsigned_intTI_type_node; -#endif -extern tree unsigned_intDI_type_node; -extern tree unsigned_intHI_type_node; -extern tree unsigned_intQI_type_node; -extern tree unsigned_intSI_type_node; -extern tree unsigned_type_node; -extern tree unsigned_wchar_type_node; -extern tree void_ftype_ptr_int_int; -extern tree void_ftype_ptr_ptr_int; -extern tree void_type_node; -extern tree wchar_array_type_node; -extern tree wchar_type_node; -extern tree boolean_type_node; -extern tree boolean_true_node; -extern tree boolean_false_node; - -extern tree build_enumerator PROTO((tree, tree)); -/* Declare a predefined function. Return the declaration. */ -extern tree builtin_function PROTO((const char *, tree, enum built_in_function function_, const char *)); -/* Add qualifiers to a type, in the fashion for C. */ -extern tree c_build_qualified_type PROTO((tree, int)); -#define c_build_type_variant(TYPE, CONST_P, VOLATILE_P) \ - c_build_qualified_type (TYPE, \ - ((CONST_P) ? TYPE_QUAL_CONST : 0) | \ - ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0)) -extern int c_decode_option PROTO((int, char **)); -extern void c_mark_varargs PROTO((void)); -extern tree check_identifier PROTO((tree, tree)); -extern void clear_parm_order PROTO((void)); -extern tree combine_parm_decls PROTO((tree, tree, int)); -extern int complete_array_type PROTO((tree, tree, int)); -extern void declare_parm_level PROTO((int)); -extern tree define_label PROTO((char *, int, tree)); -extern void delete_block PROTO((tree)); -extern void finish_decl PROTO((tree, tree, tree)); -extern void finish_decl_top_level PROTO((tree, tree, tree)); -extern tree finish_enum PROTO((tree, tree, tree)); -extern void finish_function PROTO((int)); -extern tree finish_struct PROTO((tree, tree, tree)); -extern tree get_parm_info PROTO((int)); -extern tree getdecls PROTO((void)); -extern tree gettags PROTO((void)); -extern int global_bindings_p PROTO((void)); -extern tree grokfield PROTO((const char *, int, tree, tree, tree)); -extern tree groktypename PROTO((tree)); -extern tree groktypename_in_parm_context PROTO((tree)); -extern tree implicitly_declare PROTO((tree)); -extern int in_parm_level_p PROTO((void)); -extern void init_decl_processing PROTO((void)); -extern void insert_block PROTO((tree)); -extern void keep_next_level PROTO((void)); -extern int kept_level_p PROTO((void)); -extern tree lookup_label PROTO((tree)); -extern tree lookup_name PROTO((tree)); -extern tree lookup_name_current_level PROTO((tree)); -extern tree lookup_name_current_level_global PROTO((tree)); -extern tree maybe_build_cleanup PROTO((tree)); -extern void parmlist_tags_warning PROTO((void)); -extern void pending_xref_error PROTO((void)); -extern void pop_c_function_context PROTO((void)); -extern void pop_label_level PROTO((void)); -extern tree poplevel PROTO((int, int, int)); -extern void print_lang_decl PROTO((FILE *, tree, int)); -extern void print_lang_identifier PROTO((FILE *, tree, int)); -extern void print_lang_type PROTO((FILE *, tree, int)); -extern void push_c_function_context PROTO((void)); -extern void push_label_level PROTO((void)); -extern void push_parm_decl PROTO((tree)); -extern tree pushdecl PROTO((tree)); -extern tree pushdecl_top_level PROTO((tree)); -extern void pushlevel PROTO((int)); -extern void pushtag PROTO((tree, tree)); -extern void set_block PROTO((tree)); -extern tree shadow_label PROTO((tree)); -extern void shadow_record_fields PROTO((tree)); -extern void shadow_tag PROTO((tree)); -extern void shadow_tag_warned PROTO((tree, int)); -extern tree start_enum PROTO((tree)); -extern int start_function PROTO((tree, tree, tree, - tree, int)); -extern tree start_decl PROTO((tree, tree, int, - tree, tree)); -extern tree start_struct PROTO((enum tree_code, tree)); -extern void store_parm_decls PROTO((void)); -extern tree xref_tag PROTO((enum tree_code, tree)); - -/* in c-typeck.c */ -extern tree require_complete_type PROTO((tree)); -extern void incomplete_type_error PROTO((tree, tree)); -/* Given two integer or real types, return the type for their sum. - Given two compatible ANSI C types, returns the merged type. */ -extern tree common_type PROTO((tree, tree)); -extern int comptypes PROTO((tree, tree)); -extern int self_promoting_args_p PROTO((tree)); -extern tree c_sizeof PROTO((tree)); -extern tree c_sizeof_nowarn PROTO((tree)); -extern tree c_size_in_bytes PROTO((tree)); -extern tree c_alignof PROTO((tree)); -extern tree c_alignof_expr PROTO((tree)); -extern tree default_conversion PROTO((tree)); -extern tree build_component_ref PROTO((tree, tree)); -extern tree build_indirect_ref PROTO((tree, const char *)); -extern tree build_array_ref PROTO((tree, tree)); -extern tree build_function_call PROTO((tree, tree)); -extern tree parser_build_binary_op PROTO((enum tree_code, - tree, tree)); -extern tree build_binary_op PROTO((enum tree_code, - tree, tree, int)); -extern tree build_unary_op PROTO((enum tree_code, - tree, int)); -extern int lvalue_p PROTO((tree)); -extern int lvalue_or_else PROTO((tree, const char *)); -extern void readonly_warning PROTO((tree, const char *)); -extern int mark_addressable PROTO((tree)); -extern tree build_conditional_expr PROTO((tree, tree, tree)); -extern tree build_compound_expr PROTO((tree)); -extern tree build_c_cast PROTO((tree, tree)); -extern tree build_modify_expr PROTO((tree, enum tree_code, - tree)); -extern tree initializer_constant_valid_p PROTO((tree, tree)); -extern void store_init_value PROTO((tree, tree)); -extern void error_init PROTO((const char *)); -extern void pedwarn_init PROTO((const char *)); -extern void start_init PROTO((tree, tree, int)); -extern void finish_init PROTO((void)); -extern void really_start_incremental_init PROTO((tree)); -extern void push_init_level PROTO((int)); -extern tree pop_init_level PROTO((int)); -extern void set_init_index PROTO((tree, tree)); -extern void set_init_label PROTO((tree)); -extern void process_init_element PROTO((tree)); -extern void c_expand_asm_operands PROTO((tree, tree, tree, tree, - int, char *, int)); -extern void c_expand_return PROTO((tree)); -extern tree c_expand_start_case PROTO((tree)); - -/* in c-iterate.c */ -extern void init_iterators PROTO((void)); -extern void iterator_expand PROTO((tree)); -extern void iterator_for_loop_start PROTO((tree)); -extern void iterator_for_loop_end PROTO((tree)); -extern void iterator_for_loop_record PROTO((tree)); -extern void push_iterator_stack PROTO((void)); -extern void pop_iterator_stack PROTO((void)); - -/* Set to 0 at beginning of a function definition, set to 1 if - a return statement that specifies a return value is seen. */ - -extern int current_function_returns_value; - -/* Set to 0 at beginning of a function definition, set to 1 if - a return statement with no argument is seen. */ - -extern int current_function_returns_null; - -/* Nonzero means the expression being parsed will never be evaluated. - This is a count, since unevaluated expressions can nest. */ - -extern int skip_evaluation; - -/* Nonzero means `$' can be in an identifier. */ - -extern int dollars_in_ident; - -/* Nonzero means allow type mismatches in conditional expressions; - just make their values `void'. */ - -extern int flag_cond_mismatch; - -/* Nonzero means don't recognize the keyword `asm'. */ - -extern int flag_no_asm; - -/* Nonzero means environment is hosted (i.e., not freestanding) */ - -extern int flag_hosted; - -/* Nonzero means warn about implicit declarations. */ - -extern int warn_implicit; - -/* Nonzero means give string constants the type `const char *' - to get extra warnings from them. These warnings will be too numerous - to be useful, except in thoroughly ANSIfied programs. */ - -extern int flag_const_strings; - -/* Nonzero means warn about sizeof (function) or addition/subtraction - of function pointers. */ - -extern int warn_pointer_arith; - -/* Nonzero means warn for all old-style non-prototype function decls. */ - -extern int warn_strict_prototypes; - -/* Nonzero means warn about multiple (redundant) decls for the same single - variable or function. */ - -extern int warn_redundant_decls; - -/* Nonzero means warn about extern declarations of objects not at - file-scope level and about *all* declarations of functions (whether - extern or static) not at file-scope level. Note that we exclude - implicit function declarations. To get warnings about those, use - -Wimplicit. */ - -extern int warn_nested_externs; - -/* Nonzero means warn about pointer casts that can drop a type qualifier - from the pointer target type. */ - -extern int warn_cast_qual; - -/* Nonzero means warn when casting a function call to a type that does - not match the return type (e.g. (float)sqrt() or (anything*)malloc() - when there is no previous declaration of sqrt or malloc. */ - -extern int warn_bad_function_cast; - -/* Warn about functions which might be candidates for attribute noreturn. */ - -extern int warn_missing_noreturn; - -/* Warn about traditional constructs whose meanings changed in ANSI C. */ - -extern int warn_traditional; - -/* Warn about *printf or *scanf format/argument anomalies. */ - -extern int warn_format; - -/* Warn about a subscript that has type char. */ - -extern int warn_char_subscripts; - -/* Warn if a type conversion is done that might have confusing results. */ - -extern int warn_conversion; - -/* Warn if main is suspicious. */ - -extern int warn_main; - -/* Nonzero means do some things the same way PCC does. */ - -extern int flag_traditional; - -/* Nonzero means use the ISO C9x dialect of C. */ - -extern int flag_isoc9x; - -/* Nonzero means to allow single precision math even if we're generally - being traditional. */ -extern int flag_allow_single_precision; - -/* Nonzero means warn about suggesting putting in ()'s. */ - -extern int warn_parentheses; - -/* Warn if initializer is not completely bracketed. */ - -extern int warn_missing_braces; - -/* Warn about comparison of signed and unsigned values. */ - -extern int warn_sign_compare; - -/* Warn about multicharacter constants. */ - -extern int warn_multichar; - -/* Warn about long long. */ - -extern int warn_long_long; - -/* Nonzero means we are reading code that came from a system header file. */ - -extern int system_header_p; - -/* Nonzero enables objc features. */ - -extern int doing_objc_thang; - -/* In c-decl.c */ -extern void finish_incomplete_decl PROTO((tree)); - -#endif /* not _C_TREE_H */ |