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/*
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Crown Copyright (c) 1997, 1998
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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#include "config.h"
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#include "c_types.h"
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#include "ctype_ops.h"
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#include "hashid_ops.h"
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#include "id_ops.h"
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#include "loc_ext.h"
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#include "member_ops.h"
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#include "nspace_ops.h"
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#include "off_ops.h"
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#include "type_ops.h"
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#include "error.h"
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#include "catalog.h"
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#include "option.h"
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#include "access.h"
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#include "allocate.h"
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#include "basetype.h"
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#include "capsule.h"
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#include "chktype.h"
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#include "class.h"
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#include "compile.h"
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#include "construct.h"
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#include "declare.h"
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#include "derive.h"
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#include "dump.h"
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#include "exception.h"
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#include "file.h"
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#include "function.h"
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#include "hash.h"
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#include "identifier.h"
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#include "initialise.h"
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#include "instance.h"
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#include "inttype.h"
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#include "namespace.h"
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#include "operator.h"
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#include "overload.h"
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#include "predict.h"
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#include "preproc.h"
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#include "redeclare.h"
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#include "syntax.h"
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#include "template.h"
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#include "tokdef.h"
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#include "token.h"
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#include "virtual.h"
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/*
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DECLARATION LOCATION
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This variable is used to record the location of the current declaration.
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This is primarily so that the location of a declaration can be set to
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the location of the declarator rather than the end of the corresponding
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initialiser.
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*/
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LOCATION decl_loc = NULL_loc ;
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int is_redeclared = 0 ;
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/*
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DEFAULT LINKAGE FOR INLINE FUNCTIONS AND CONST OBJECTS
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These variables give the default linkages for inline functions and
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const objects and the default cv-qualifiers for external objects.
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*/
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DECL_SPEC inline_linkage = dspec_static ;
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DECL_SPEC const_linkage = dspec_static ;
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CV_SPEC cv_extern = cv_none ;
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/*
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DUMMY EMPTY DECLARATION SPECIFIER
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The value dspec_empty is used during the processing of declarations
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to mark any declaration specifier which does not contain an explicit
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specifier. The value dspec_nonempty gives those declaration
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specifiers which constitute an explicit specifier.
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*/
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#define dspec_empty dspec_pure
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#define dspec_nonempty dspec_keyword
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/*
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COMPLETE A DECLARATION SPECIFIER
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This routine completes the declaration specifier given by the
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specifiers ds, the type t and the cv-qualifier cv. If these are
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all empty then the result is marked using dspec_empty. The special
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case 'extern "LANG" typedef' is checked.
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*/
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DECL_SPEC complete_dspec
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PROTO_N ( ( ds, bt, t, cv ) )
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PROTO_T ( DECL_SPEC ds X BASE_TYPE bt X TYPE t X CV_SPEC cv )
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{
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DECL_SPEC key = ( ds & dspec_nonempty ) ;
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if ( key || bt || !IS_NULL_type ( t ) || cv ) {
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/* Have a declaration specifier */
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if ( ds & dspec_c ) {
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/* Have a linkage specification */
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if ( ds & dspec_typedef ) ds &= ~dspec_extern ;
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ds &= ~dspec_c ;
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}
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} else {
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ds |= dspec_empty ;
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}
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return ( ds ) ;
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}
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/*
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CHECK INFERRED OBJECT TYPES
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This routine checks the declaration specifiers ds and the type *p for
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inferred types and empty specifier lists. It is used in object,
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parameter and class member declarations.
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*/
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static DECL_SPEC check_inferred_type
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PROTO_N ( ( ds, p, mem ) )
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PROTO_T ( DECL_SPEC ds X TYPE *p X int mem )
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{
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int infer ;
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TYPE t = *p ;
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int empty = 0 ;
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ERROR err = NULL_err ;
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/* Report if there are no declaration specifiers */
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if ( ds & dspec_empty ) {
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if ( mem ) {
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err = ERR_class_mem_ds_empty () ;
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} else {
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err = ERR_dcl_dcl_ds_empty () ;
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}
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ds &= ~dspec_empty ;
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empty = 1 ;
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}
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/* Check on inferred types */
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infer = is_type_inferred ( t ) ;
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if ( infer != INFERRED_NOT ) {
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ERROR err2 ;
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t = clean_inferred_type ( t ) ;
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if ( empty ) {
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err2 = ERR_dcl_type_infer ( t ) ;
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} else {
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err2 = report_inferred_type ( t, infer ) ;
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}
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err = concat_error ( err, err2 ) ;
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*p = t ;
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}
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if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
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return ( ds ) ;
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}
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/*
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CHECK INFERRED FUNCTION TYPES
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This routine checks the declaration specifiers ds and the function
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type t for inferred types and empty specifier lists. It is used in
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function declarations and definitions (as indicated by def).
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*/
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static DECL_SPEC check_func_type
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PROTO_N ( ( ds, t, def, chk, mem ) )
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PROTO_T ( DECL_SPEC ds X TYPE t X int def X int chk X int mem )
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{
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int empty = 0 ;
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ERROR err = NULL_err ;
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/* Report if there are no declaration specifiers */
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if ( ds & dspec_empty ) {
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if ( mem ) {
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err = ERR_class_mem_ds_empty () ;
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} else if ( def ) {
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err = ERR_dcl_dcl_ds_func () ;
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} else {
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err = ERR_dcl_dcl_ds_empty () ;
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}
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ds &= ~dspec_empty ;
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empty = 1 ;
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}
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/* Check for template types */
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while ( IS_type_templ ( t ) ) {
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ds |= dspec_template ;
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t = DEREF_type ( type_templ_defn ( t ) ) ;
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}
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/* Check the return type */
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if ( chk ) {
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TYPE r = DEREF_type ( type_func_ret ( t ) ) ;
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int infer = is_type_inferred ( r ) ;
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if ( infer != INFERRED_NOT ) {
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ERROR err2 ;
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r = clean_inferred_type ( r ) ;
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if ( empty ) {
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err2 = ERR_dcl_type_infer ( r ) ;
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} else {
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err2 = report_inferred_type ( r, infer ) ;
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}
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err = concat_error ( err, err2 ) ;
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COPY_type ( type_func_ret ( t ), r ) ;
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}
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}
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if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
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return ( ds ) ;
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}
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/*
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SHIFT A STORAGE CLASS
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This macro is used to shift a storage class specifier into a more
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sensible range.
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*/
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#define DSPEC_STORAGE( A ) ( ( A ) >> 6 )
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/*
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CHECK STORAGE CLASS SPECIFIERS
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This routine extracts the storage class specifiers from the declaration
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specifiers ds in the context given by loc. It returns a valid storage
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class specifier.
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*/
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static DECL_SPEC check_storage
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PROTO_N ( ( ds, loc, id ) )
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PROTO_T ( DECL_SPEC ds X int loc X IDENTIFIER id )
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{
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DECL_SPEC st = ( ds & dspec_storage ) ;
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/* Check on storage class */
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switch_label : {
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switch ( DSPEC_STORAGE ( st ) ) {
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case DSPEC_STORAGE ( dspec_none ) : {
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/* No storage class given */
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break ;
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}
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case DSPEC_STORAGE ( dspec_auto ) :
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case DSPEC_STORAGE ( dspec_register ) : {
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/* Deal with auto and register */
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switch ( loc ) {
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case CONTEXT_OBJECT : {
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/* Objects declared in a block are alright */
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if ( !in_function_defn ) goto bad_auto_lab ;
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break ;
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}
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case CONTEXT_FUNCTION : {
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/* Functions can't be auto */
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if ( !in_function_defn ) goto bad_auto_lab ;
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report ( crt_loc, ERR_dcl_stc_auto_func ( st ) ) ;
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st = dspec_none ;
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break ;
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}
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case CONTEXT_PARAMETER :
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case CONTEXT_WEAK_PARAM : {
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/* Function parameters are alright */
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if ( st == dspec_auto ) {
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/* Can't have auto parameters in C */
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report ( crt_loc, ERR_dcl_stc_auto_par () ) ;
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298 |
}
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break ;
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}
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case CONTEXT_TEMPL_PARAM : {
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/* Template parameters can't have storage class */
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report ( crt_loc, ERR_temp_param_dcl_stc ( st ) ) ;
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st = dspec_none ;
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break ;
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}
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default :
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bad_auto_lab : {
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309 |
/* Anything outside a block can't be auto */
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report ( crt_loc, ERR_dcl_stc_auto_bad ( st ) ) ;
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311 |
st = dspec_none ;
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break ;
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313 |
}
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314 |
}
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315 |
break ;
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316 |
}
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317 |
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case DSPEC_STORAGE ( dspec_static ) : {
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/* Deal with static */
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320 |
switch ( loc ) {
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321 |
case CONTEXT_PARAMETER :
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322 |
case CONTEXT_WEAK_PARAM : {
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/* Function parameters can't be static */
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report ( crt_loc, ERR_dcl_stc_param ( st ) ) ;
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st = dspec_none ;
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326 |
break ;
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327 |
}
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328 |
case CONTEXT_TEMPL_PARAM : {
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329 |
/* Template parameters can't have storage class */
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330 |
report ( crt_loc, ERR_temp_param_dcl_stc ( st ) ) ;
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331 |
st = dspec_none ;
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332 |
break ;
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333 |
}
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334 |
}
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335 |
break ;
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336 |
}
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337 |
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338 |
case DSPEC_STORAGE ( dspec_extern ) : {
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339 |
/* Deal with extern */
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340 |
switch ( loc ) {
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341 |
case CONTEXT_OBJECT :
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342 |
case CONTEXT_FUNCTION : {
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343 |
/* Objects and functions can be extern */
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344 |
if ( !IS_NULL_id ( id ) ) {
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345 |
switch ( TAG_id ( id ) ) {
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346 |
case id_member_tag :
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347 |
case id_mem_func_tag :
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348 |
case id_stat_member_tag :
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349 |
case id_stat_mem_func_tag : {
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350 |
/* But not class members */
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351 |
ERROR err = ERR_dcl_stc_ext_mem () ;
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352 |
report ( crt_loc, err ) ;
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break ;
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354 |
}
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355 |
}
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356 |
}
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357 |
break ;
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358 |
}
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359 |
case CONTEXT_PARAMETER :
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360 |
case CONTEXT_WEAK_PARAM : {
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361 |
/* Function parameters can't be extern */
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362 |
report ( crt_loc, ERR_dcl_stc_param ( st ) ) ;
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363 |
st = dspec_none ;
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364 |
break ;
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365 |
}
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366 |
case CONTEXT_TEMPL_PARAM : {
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367 |
/* Template parameters can't have storage class */
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368 |
report ( crt_loc, ERR_temp_param_dcl_stc ( st ) ) ;
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369 |
st = dspec_none ;
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370 |
break ;
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371 |
}
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372 |
default : {
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373 |
/* Class members can't be extern */
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374 |
report ( crt_loc, ERR_dcl_stc_ext_mem () ) ;
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|
375 |
st = dspec_none ;
|
|
|
376 |
break ;
|
|
|
377 |
}
|
|
|
378 |
}
|
|
|
379 |
break ;
|
|
|
380 |
}
|
|
|
381 |
|
|
|
382 |
case DSPEC_STORAGE ( dspec_mutable ) : {
|
|
|
383 |
/* Deal with mutable */
|
|
|
384 |
if ( loc != CONTEXT_MEMBER ) {
|
|
|
385 |
/* Only data members can be mutable */
|
|
|
386 |
report ( crt_loc, ERR_dcl_stc_mut_bad () ) ;
|
|
|
387 |
st = dspec_none ;
|
|
|
388 |
}
|
|
|
389 |
break ;
|
|
|
390 |
}
|
|
|
391 |
|
|
|
392 |
default : {
|
|
|
393 |
/* More than one storage class - select one */
|
|
|
394 |
DECL_SPEC nst = dspec_static ;
|
|
|
395 |
while ( !( st & nst ) ) {
|
|
|
396 |
ASSERT ( nst != dspec_none ) ;
|
|
|
397 |
nst <<= 1 ;
|
|
|
398 |
}
|
|
|
399 |
report ( crt_loc, ERR_dcl_stc_dup ( st, nst ) ) ;
|
|
|
400 |
st = nst ;
|
|
|
401 |
goto switch_label ;
|
|
|
402 |
}
|
|
|
403 |
}
|
|
|
404 |
}
|
|
|
405 |
return ( st ) ;
|
|
|
406 |
}
|
|
|
407 |
|
|
|
408 |
|
|
|
409 |
/*
|
|
|
410 |
CHECK STORAGE CLASS SPECIFIERS
|
|
|
411 |
|
|
|
412 |
This routine extracts the function specifiers (plus friend specifiers)
|
|
|
413 |
from the declaration specifiers ds in the context given by loc (as
|
|
|
414 |
above). It returns a valid combination of function and friend
|
|
|
415 |
specifiers.
|
|
|
416 |
*/
|
|
|
417 |
|
|
|
418 |
static DECL_SPEC check_func_spec
|
|
|
419 |
PROTO_N ( ( ds, loc ) )
|
|
|
420 |
PROTO_T ( DECL_SPEC ds X int loc )
|
|
|
421 |
{
|
|
|
422 |
DECL_SPEC fn = dspec_none ;
|
|
|
423 |
|
|
|
424 |
/* Only functions can be inline */
|
|
|
425 |
if ( ds & dspec_inline ) {
|
|
|
426 |
if ( loc == CONTEXT_FUNCTION || loc == CONTEXT_FUNC_MEMBER ) {
|
|
|
427 |
fn |= dspec_inline ;
|
|
|
428 |
} else {
|
|
|
429 |
report ( crt_loc, ERR_dcl_fct_spec_inline_bad () ) ;
|
|
|
430 |
}
|
|
|
431 |
}
|
|
|
432 |
|
|
|
433 |
/* Only function members can be virtual */
|
|
|
434 |
if ( ds & dspec_virtual ) {
|
|
|
435 |
if ( loc == CONTEXT_FUNC_MEMBER ) {
|
|
|
436 |
fn |= dspec_virtual ;
|
|
|
437 |
} else {
|
|
|
438 |
report ( crt_loc, ERR_dcl_fct_spec_virtual () ) ;
|
|
|
439 |
}
|
|
|
440 |
}
|
|
|
441 |
|
|
|
442 |
/* Only function members can be explicit */
|
|
|
443 |
if ( ds & dspec_explicit ) {
|
|
|
444 |
if ( loc == CONTEXT_FUNC_MEMBER ) {
|
|
|
445 |
fn |= dspec_explicit ;
|
|
|
446 |
} else {
|
|
|
447 |
report ( crt_loc, ERR_dcl_fct_spec_explicit () ) ;
|
|
|
448 |
}
|
|
|
449 |
}
|
|
|
450 |
|
|
|
451 |
/* Only functions declared in a class can be friends */
|
|
|
452 |
if ( ds & dspec_friend ) {
|
|
|
453 |
if ( loc == CONTEXT_FUNCTION && in_class_defn ) {
|
|
|
454 |
/* Don't add to specifier list */
|
|
|
455 |
/* EMPTY */
|
|
|
456 |
} else if ( in_class_defn ) {
|
|
|
457 |
report ( crt_loc, ERR_class_friend_decl () ) ;
|
|
|
458 |
} else {
|
|
|
459 |
report ( crt_loc, ERR_dcl_friend_class () ) ;
|
|
|
460 |
}
|
|
|
461 |
}
|
|
|
462 |
|
|
|
463 |
/* Allow for function discarding */
|
|
|
464 |
if ( loc == CONTEXT_FUNCTION || loc == CONTEXT_FUNC_MEMBER ) {
|
|
|
465 |
fn |= dspec_ignore ;
|
|
|
466 |
}
|
|
|
467 |
return ( fn ) ;
|
|
|
468 |
}
|
|
|
469 |
|
|
|
470 |
|
|
|
471 |
/*
|
|
|
472 |
CONSTRUCT A TYPE DECLARATION
|
|
|
473 |
|
|
|
474 |
This routine constructs the declaration of a type with declaration
|
|
|
475 |
specifiers ds (which will include typedef), type t and name id in the
|
|
|
476 |
namespace ns. mem gives the member of ns corresponding to id or the
|
|
|
477 |
null member for class member redeclarations.
|
|
|
478 |
*/
|
|
|
479 |
|
|
|
480 |
static IDENTIFIER make_type_decl
|
|
|
481 |
PROTO_N ( ( ns, ds, t, mem, id ) )
|
|
|
482 |
PROTO_T ( NAMESPACE ns X DECL_SPEC ds X TYPE t X
|
|
|
483 |
MEMBER mem X IDENTIFIER id )
|
|
|
484 |
{
|
|
|
485 |
int reported = 0 ;
|
|
|
486 |
IDENTIFIER old_id ;
|
|
|
487 |
unsigned tag = TAG_type ( t ) ;
|
|
|
488 |
QUALIFIER cq = crt_id_qualifier ;
|
|
|
489 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
490 |
|
|
|
491 |
/* Can't have other declaration specifiers with typedef */
|
|
|
492 |
DECL_SPEC st = ( ds & dspec_keyword ) ;
|
|
|
493 |
if ( st != dspec_typedef ) {
|
|
|
494 |
st &= ~dspec_typedef ;
|
|
|
495 |
report ( crt_loc, ERR_dcl_typedef_dspec ( st ) ) ;
|
|
|
496 |
}
|
|
|
497 |
|
|
|
498 |
/* Check for function cv-qualifiers and exception specifiers */
|
|
|
499 |
object_type ( t, id_type_alias_tag ) ;
|
|
|
500 |
|
|
|
501 |
/* Check for previous declaration */
|
|
|
502 |
if ( IS_NULL_member ( mem ) ) {
|
|
|
503 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
504 |
old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
505 |
old_id = redecl_inherit ( old_id, cq, in_class_defn, 2 ) ;
|
|
|
506 |
if ( IS_NULL_id ( old_id ) ) {
|
|
|
507 |
report ( crt_loc, ERR_lookup_qual_undef ( nm, ns ) ) ;
|
|
|
508 |
}
|
|
|
509 |
} else {
|
|
|
510 |
old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
511 |
old_id = redecl_inherit ( old_id, cq, in_class_defn, 2 ) ;
|
|
|
512 |
}
|
|
|
513 |
|
|
|
514 |
/* Allow for type redeclarations */
|
|
|
515 |
#if LANGUAGE_CPP
|
|
|
516 |
id = type_member ( mem, 3 ) ;
|
|
|
517 |
id = redecl_inherit ( id, cq, in_class_defn, 2 ) ;
|
|
|
518 |
#else
|
|
|
519 |
id = old_id ;
|
|
|
520 |
#endif
|
|
|
521 |
if ( !IS_NULL_id ( id ) && IS_id_class_name_etc ( id ) ) {
|
|
|
522 |
/* Already declared as a type name */
|
|
|
523 |
TYPE s ;
|
|
|
524 |
ERROR err = NULL_err ;
|
|
|
525 |
PTR ( LOCATION ) loc = id_loc ( id ) ;
|
|
|
526 |
unsigned long tokdefs = no_token_defns ;
|
|
|
527 |
|
|
|
528 |
/* Check for reserved identifiers */
|
|
|
529 |
DECL_SPEC ods = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
530 |
if ( ( ds | ods ) & dspec_reserve ) {
|
|
|
531 |
report ( crt_loc, ERR_basic_odr_decl ( id, loc ) ) ;
|
|
|
532 |
return ( id ) ;
|
|
|
533 |
}
|
|
|
534 |
|
|
|
535 |
/* Check type compatibility */
|
|
|
536 |
s = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
537 |
s = check_compatible ( s, t, 0, &err, 1 ) ;
|
|
|
538 |
/* QUERY: or is type equality required? */
|
|
|
539 |
|
|
|
540 |
/* Compatible redefinition */
|
|
|
541 |
if ( IS_NULL_err ( err ) ) {
|
|
|
542 |
NAMESPACE cns = crt_namespace ;
|
|
|
543 |
if ( cq != qual_none ) {
|
|
|
544 |
/* Check qualified definitions */
|
|
|
545 |
check_decl_nspace ( id, ns, 1, cns ) ;
|
|
|
546 |
}
|
|
|
547 |
if ( in_class_defn && EQ_nspace ( ns, cns ) ) {
|
|
|
548 |
if ( !is_tagged_type ( id ) ) {
|
|
|
549 |
/* Still not allowed in a class definition */
|
|
|
550 |
report ( crt_loc, ERR_class_mem_redecl ( id, loc ) ) ;
|
|
|
551 |
}
|
|
|
552 |
} else if ( tokdefs == no_token_defns && !in_pragma_dir ) {
|
|
|
553 |
/* Can't redeclare types in C */
|
|
|
554 |
report ( crt_loc, ERR_basic_odr_typedef ( id, loc ) ) ;
|
|
|
555 |
}
|
|
|
556 |
if ( tag == type_func_tag ) {
|
|
|
557 |
/* Check function types */
|
|
|
558 |
s = redecl_func_type ( id, s, t, 0, 1 ) ;
|
|
|
559 |
}
|
|
|
560 |
COPY_type ( id_class_name_etc_defn ( id ), s ) ;
|
|
|
561 |
adjust_access ( id, crt_access, 0 ) ;
|
|
|
562 |
return ( id ) ;
|
|
|
563 |
}
|
|
|
564 |
|
|
|
565 |
/* Incompatible redefinition */
|
|
|
566 |
err = concat_error ( err, ERR_basic_link_typedef ( id, loc ) ) ;
|
|
|
567 |
report ( crt_loc, err ) ;
|
|
|
568 |
reported = 1 ;
|
|
|
569 |
}
|
|
|
570 |
|
|
|
571 |
/* Declare the type */
|
|
|
572 |
id = make_typedef ( ns, nm, t, dspec_none ) ;
|
|
|
573 |
if ( is_tagged_type ( id ) ) {
|
|
|
574 |
/* Class-like typedef-names */
|
|
|
575 |
set_type_member ( mem, id ) ;
|
|
|
576 |
} else {
|
|
|
577 |
/* Object-like typedef-names */
|
|
|
578 |
if ( !IS_NULL_id ( old_id ) && !reported ) {
|
|
|
579 |
/* Already declared as an object */
|
|
|
580 |
PTR ( LOCATION ) loc = id_loc ( old_id ) ;
|
|
|
581 |
report ( crt_loc, ERR_basic_odr_diff ( old_id, loc ) ) ;
|
|
|
582 |
}
|
|
|
583 |
set_member ( mem, id ) ;
|
|
|
584 |
}
|
|
|
585 |
if ( tag == type_func_tag ) {
|
|
|
586 |
/* Check function type */
|
|
|
587 |
decl_func_type ( id, t, 0 ) ;
|
|
|
588 |
} else if ( tag == type_templ_tag ) {
|
|
|
589 |
IGNORE check_templ_params ( t, id ) ;
|
|
|
590 |
report ( crt_loc, ERR_temp_decl_bad () ) ;
|
|
|
591 |
}
|
|
|
592 |
return ( id ) ;
|
|
|
593 |
}
|
|
|
594 |
|
|
|
595 |
|
|
|
596 |
/*
|
|
|
597 |
CREATE A SPECIAL TYPE DEFINITION
|
|
|
598 |
|
|
|
599 |
This routine creates a typedef of the identifier id to the special
|
|
|
600 |
type t.
|
|
|
601 |
*/
|
|
|
602 |
|
|
|
603 |
void typedef_special
|
|
|
604 |
PROTO_N ( ( id, t ) )
|
|
|
605 |
PROTO_T ( IDENTIFIER id X TYPE t )
|
|
|
606 |
{
|
|
|
607 |
int pushed = 0 ;
|
|
|
608 |
NAMESPACE ns = nonblock_namespace ;
|
|
|
609 |
if ( !EQ_nspace ( ns, crt_namespace ) ) {
|
|
|
610 |
push_namespace ( ns ) ;
|
|
|
611 |
pushed = 1 ;
|
|
|
612 |
}
|
|
|
613 |
decl_loc = preproc_loc ;
|
|
|
614 |
if ( in_class_defn ) {
|
|
|
615 |
id = make_member_decl ( dspec_typedef, t, id, 0 ) ;
|
|
|
616 |
} else {
|
|
|
617 |
id = make_object_decl ( dspec_typedef, t, id, 0 ) ;
|
|
|
618 |
}
|
|
|
619 |
if ( do_dump ) dump_declare ( id, &decl_loc, 1 ) ;
|
|
|
620 |
if ( pushed ) {
|
|
|
621 |
IGNORE pop_namespace () ;
|
|
|
622 |
}
|
|
|
623 |
return ;
|
|
|
624 |
}
|
|
|
625 |
|
|
|
626 |
|
|
|
627 |
/*
|
|
|
628 |
FIND THE LINKAGE OF AN IDENTIFIER
|
|
|
629 |
|
|
|
630 |
This routine finds the linkage of the identifier id (including the
|
|
|
631 |
language specifier), returning the default value st if id does not
|
|
|
632 |
represent an object or function.
|
|
|
633 |
*/
|
|
|
634 |
|
|
|
635 |
static DECL_SPEC find_storage
|
|
|
636 |
PROTO_N ( ( id, st, t ) )
|
|
|
637 |
PROTO_T ( IDENTIFIER id X DECL_SPEC st X TYPE t )
|
|
|
638 |
{
|
|
|
639 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
640 |
switch ( TAG_id ( id ) ) {
|
|
|
641 |
case id_variable_tag :
|
|
|
642 |
case id_parameter_tag :
|
|
|
643 |
case id_stat_member_tag :
|
|
|
644 |
case id_weak_param_tag : {
|
|
|
645 |
/* Objects */
|
|
|
646 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
647 |
st = ( ds & ( dspec_storage | dspec_language ) ) ;
|
|
|
648 |
break ;
|
|
|
649 |
}
|
|
|
650 |
case id_function_tag :
|
|
|
651 |
case id_mem_func_tag :
|
|
|
652 |
case id_stat_mem_func_tag : {
|
|
|
653 |
/* Functions */
|
|
|
654 |
DECL_SPEC ds ;
|
|
|
655 |
#if LANGUAGE_CPP
|
|
|
656 |
LIST ( IDENTIFIER ) pids = NULL_list ( IDENTIFIER ) ;
|
|
|
657 |
if ( !IS_NULL_type ( t ) ) {
|
|
|
658 |
int eq = 0 ;
|
|
|
659 |
id = resolve_func ( id, t, 0, 0, pids, &eq ) ;
|
|
|
660 |
if ( IS_NULL_id ( id ) || !IS_id_function_etc ( id ) ) {
|
|
|
661 |
return ( st ) ;
|
|
|
662 |
}
|
|
|
663 |
}
|
|
|
664 |
#else
|
|
|
665 |
UNUSED ( t ) ;
|
|
|
666 |
#endif
|
|
|
667 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
668 |
st = ( ds & ( dspec_storage | dspec_language ) ) ;
|
|
|
669 |
break ;
|
|
|
670 |
}
|
|
|
671 |
}
|
|
|
672 |
}
|
|
|
673 |
return ( st ) ;
|
|
|
674 |
}
|
|
|
675 |
|
|
|
676 |
|
|
|
677 |
/*
|
|
|
678 |
CHECK THE LOCATION OF A DECLARATION
|
|
|
679 |
|
|
|
680 |
This routine checks whether the namespace cns is a suitable location
|
|
|
681 |
for redeclaring the object id, which is a member of the namespace ns.
|
|
|
682 |
def is true for a definition.
|
|
|
683 |
*/
|
|
|
684 |
|
|
|
685 |
void check_decl_nspace
|
|
|
686 |
PROTO_N ( ( id, ns, def, cns ) )
|
|
|
687 |
PROTO_T ( IDENTIFIER id X NAMESPACE ns X int def X NAMESPACE cns )
|
|
|
688 |
{
|
|
|
689 |
int func = 0 ;
|
|
|
690 |
int local_def = really_in_function_defn ;
|
|
|
691 |
switch ( TAG_id ( id ) ) {
|
|
|
692 |
case id_class_name_tag :
|
|
|
693 |
case id_enum_name_tag :
|
|
|
694 |
case id_class_alias_tag :
|
|
|
695 |
case id_enum_alias_tag :
|
|
|
696 |
case id_type_alias_tag : {
|
|
|
697 |
/* Can define local types */
|
|
|
698 |
local_def = 0 ;
|
|
|
699 |
break ;
|
|
|
700 |
}
|
|
|
701 |
case id_mem_func_tag :
|
|
|
702 |
case id_stat_mem_func_tag : {
|
|
|
703 |
/* Member function */
|
|
|
704 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
705 |
if ( ds & dspec_implicit ) {
|
|
|
706 |
/* Ignore implicit constructors etc */
|
|
|
707 |
return ;
|
|
|
708 |
}
|
|
|
709 |
if ( !def && !is_templ_nspace ( ns ) ) {
|
|
|
710 |
/* Can't even redeclare in this case */
|
|
|
711 |
report ( crt_loc, ERR_class_mfct_redecl ( id ) ) ;
|
|
|
712 |
return ;
|
|
|
713 |
}
|
|
|
714 |
func = 1 ;
|
|
|
715 |
break ;
|
|
|
716 |
}
|
|
|
717 |
case id_undef_tag : {
|
|
|
718 |
/* Report undeclared members */
|
|
|
719 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
720 |
report ( crt_loc, ERR_lookup_qual_undef ( nm, ns ) ) ;
|
|
|
721 |
return ;
|
|
|
722 |
}
|
|
|
723 |
}
|
|
|
724 |
|
|
|
725 |
if ( def ) {
|
|
|
726 |
/* Check for enclosing namespace scope */
|
|
|
727 |
if ( local_def || !is_subnspace ( cns, ns ) ) {
|
|
|
728 |
/* Report badly placed definition */
|
|
|
729 |
ERROR err ;
|
|
|
730 |
if ( IS_nspace_ctype ( ns ) ) {
|
|
|
731 |
if ( func ) {
|
|
|
732 |
/* Member functions */
|
|
|
733 |
err = ERR_class_mfct_scope ( id ) ;
|
|
|
734 |
} else {
|
|
|
735 |
/* Other class members */
|
|
|
736 |
err = ERR_class_static_data_scope ( id ) ;
|
|
|
737 |
}
|
|
|
738 |
} else {
|
|
|
739 |
/* Namespace members */
|
|
|
740 |
err = ERR_dcl_nspace_memdef_scope ( id ) ;
|
|
|
741 |
}
|
|
|
742 |
report ( crt_loc, err ) ;
|
|
|
743 |
}
|
|
|
744 |
}
|
|
|
745 |
return ;
|
|
|
746 |
}
|
|
|
747 |
|
|
|
748 |
|
|
|
749 |
/*
|
|
|
750 |
CHECK AN OBJECT TYPE
|
|
|
751 |
|
|
|
752 |
This routine checks the type t for the object id with declaration
|
|
|
753 |
specifiers ds.
|
|
|
754 |
*/
|
|
|
755 |
|
|
|
756 |
void check_obj_decl
|
|
|
757 |
PROTO_N ( ( ds, t, id, tentative ) )
|
|
|
758 |
PROTO_T ( DECL_SPEC ds X TYPE t X IDENTIFIER id X int tentative )
|
|
|
759 |
{
|
|
|
760 |
unsigned tag = TAG_type ( t ) ;
|
|
|
761 |
if ( tag == type_top_tag || tag == type_bottom_tag ) {
|
|
|
762 |
/* Always report void declarations */
|
|
|
763 |
report ( crt_loc, ERR_basic_fund_void_decl ( id, t ) ) ;
|
|
|
764 |
} else if ( tag == type_templ_tag ) {
|
|
|
765 |
/* Shouldn't have template type */
|
|
|
766 |
report ( crt_loc, ERR_temp_decl_bad () ) ;
|
|
|
767 |
} else if ( ds & dspec_defn ) {
|
|
|
768 |
/* Only check otherwise if this is a definition */
|
|
|
769 |
if ( tag == type_array_tag ) {
|
|
|
770 |
/* Arrays may be completed by the initialiser */
|
|
|
771 |
/* EMPTY */
|
|
|
772 |
} else if ( tag == type_ref_tag ) {
|
|
|
773 |
/* References don't need checking */
|
|
|
774 |
/* EMPTY */
|
|
|
775 |
} else {
|
|
|
776 |
ERROR err ;
|
|
|
777 |
if ( !tentative ) {
|
|
|
778 |
err = check_complete ( t ) ;
|
|
|
779 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
780 |
/* Other definitions should have complete type */
|
|
|
781 |
ERROR err2 = ERR_basic_types_def_incompl ( id ) ;
|
|
|
782 |
err = concat_error ( err, err2 ) ;
|
|
|
783 |
report ( crt_loc, err ) ;
|
|
|
784 |
}
|
|
|
785 |
}
|
|
|
786 |
err = check_abstract ( t ) ;
|
|
|
787 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
788 |
/* Objects can't have abstract type */
|
|
|
789 |
ERROR err2 = ERR_class_abstract_decl ( id ) ;
|
|
|
790 |
err = concat_error ( err, err2 ) ;
|
|
|
791 |
report ( crt_loc, err ) ;
|
|
|
792 |
}
|
|
|
793 |
}
|
|
|
794 |
}
|
|
|
795 |
return ;
|
|
|
796 |
}
|
|
|
797 |
|
|
|
798 |
|
|
|
799 |
/*
|
|
|
800 |
DECLARE AN OBJECT
|
|
|
801 |
|
|
|
802 |
This routine constructs the declaration of an object with declaration
|
|
|
803 |
specifiers ds, type t and name id.
|
|
|
804 |
*/
|
|
|
805 |
|
|
|
806 |
IDENTIFIER make_object_decl
|
|
|
807 |
PROTO_N ( ( ds, t, id, def ) )
|
|
|
808 |
PROTO_T ( DECL_SPEC ds X TYPE t X IDENTIFIER id X int def )
|
|
|
809 |
{
|
|
|
810 |
ERROR err ;
|
|
|
811 |
MEMBER mem ;
|
|
|
812 |
NAMESPACE ns ;
|
|
|
813 |
int redef = 0 ;
|
|
|
814 |
int simple_id = 1 ;
|
|
|
815 |
int tentative = 0 ;
|
|
|
816 |
IDENTIFIER old_id ;
|
|
|
817 |
IDENTIFIER alt_id ;
|
|
|
818 |
DECL_SPEC st, df, rs ;
|
|
|
819 |
IDENTIFIER prev_id = NULL_id ;
|
|
|
820 |
unsigned tag = TAG_type ( t ) ;
|
|
|
821 |
unsigned itag = id_variable_tag ;
|
|
|
822 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
823 |
|
|
|
824 |
/* Check for template specialisations */
|
|
|
825 |
bound_specialise = 0 ;
|
|
|
826 |
if ( is_templ_decl ( id, NULL_type ) || is_templ_spec ( t ) ) {
|
|
|
827 |
t = bind_specialise ( &id, t, ds, 0, 1, def ) ;
|
|
|
828 |
if ( IS_NULL_id ( id ) ) {
|
|
|
829 |
/* Invalid specialisation */
|
|
|
830 |
crt_id_qualifier = qual_none ;
|
|
|
831 |
crt_templ_qualifier = 0 ;
|
|
|
832 |
id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
833 |
while ( IS_type_templ ( t ) ) {
|
|
|
834 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
835 |
}
|
|
|
836 |
id = make_object_decl ( ds, t, id, def ) ;
|
|
|
837 |
return ( id ) ;
|
|
|
838 |
}
|
|
|
839 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
840 |
check_decl_nspace ( id, ns, 0, crt_namespace ) ;
|
|
|
841 |
old_id = id ;
|
|
|
842 |
mem = NULL_member ;
|
|
|
843 |
simple_id = 0 ;
|
|
|
844 |
|
|
|
845 |
} else {
|
|
|
846 |
/* Check on identifier name */
|
|
|
847 |
QUALIFIER cq = crt_id_qualifier ;
|
|
|
848 |
err = check_id_name ( id, CONTEXT_OBJECT ) ;
|
|
|
849 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
850 |
|
|
|
851 |
/* Check for qualified identifiers */
|
|
|
852 |
if ( cq == qual_none ) {
|
|
|
853 |
/* Declaration of simple identifier */
|
|
|
854 |
ns = crt_namespace ;
|
|
|
855 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
856 |
old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
857 |
alt_id = DEREF_id ( member_alt ( mem ) ) ;
|
|
|
858 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
859 |
if ( in_function_defn && ( ds & dspec_extern ) ) {
|
|
|
860 |
/* Redeclaration of block external */
|
|
|
861 |
prev_id = find_previous ( t, id ) ;
|
|
|
862 |
if ( EQ_id ( prev_id, old_id ) ) old_id = NULL_id ;
|
|
|
863 |
} else {
|
|
|
864 |
old_id = redecl_inherit ( old_id, cq, 0, 2 ) ;
|
|
|
865 |
}
|
|
|
866 |
redef = 1 ;
|
|
|
867 |
} else if ( !IS_NULL_id ( alt_id ) ) {
|
|
|
868 |
redef = 1 ;
|
|
|
869 |
}
|
|
|
870 |
} else {
|
|
|
871 |
/* Redeclaration of class or namespace member */
|
|
|
872 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
873 |
check_decl_nspace ( id, ns, 0, crt_namespace ) ;
|
|
|
874 |
if ( IS_id_undef ( id ) ) {
|
|
|
875 |
if ( IS_nspace_ctype ( ns ) ) itag = id_stat_member_tag ;
|
|
|
876 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
877 |
old_id = NULL_id ;
|
|
|
878 |
} else {
|
|
|
879 |
mem = NULL_member ;
|
|
|
880 |
old_id = redecl_inherit ( id, cq, 0, 2 ) ;
|
|
|
881 |
t = bind_specialise ( &old_id, t, ds, 0, 0, def ) ;
|
|
|
882 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
883 |
id = old_id ;
|
|
|
884 |
itag = TAG_id ( id ) ;
|
|
|
885 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
886 |
}
|
|
|
887 |
}
|
|
|
888 |
simple_id = 0 ;
|
|
|
889 |
}
|
|
|
890 |
}
|
|
|
891 |
|
|
|
892 |
/* Deal with inferred types */
|
|
|
893 |
ds = check_inferred_type ( ds, &t, 0 ) ;
|
|
|
894 |
|
|
|
895 |
/* Check on storage class specifiers */
|
|
|
896 |
st = check_storage ( ds, CONTEXT_OBJECT, old_id ) ;
|
|
|
897 |
|
|
|
898 |
/* Deal with type definitions */
|
|
|
899 |
if ( ds & dspec_typedef ) {
|
|
|
900 |
id = make_type_decl ( ns, ds, t, mem, id ) ;
|
|
|
901 |
return ( id ) ;
|
|
|
902 |
}
|
|
|
903 |
|
|
|
904 |
/* Check on function specifiers */
|
|
|
905 |
IGNORE check_func_spec ( ds, CONTEXT_OBJECT ) ;
|
|
|
906 |
|
|
|
907 |
/* Find the object linkage and whether it is a definition */
|
|
|
908 |
if ( st == dspec_extern ) {
|
|
|
909 |
/* Explicit extern indicates a declaration (probably) */
|
|
|
910 |
df = dspec_none ;
|
|
|
911 |
if ( in_function_defn && simple_id ) {
|
|
|
912 |
if ( IS_NULL_id ( prev_id ) ) {
|
|
|
913 |
prev_id = find_previous ( t, id ) ;
|
|
|
914 |
}
|
|
|
915 |
st = find_storage ( prev_id, st, NULL_type ) ;
|
|
|
916 |
} else {
|
|
|
917 |
prev_id = old_id ;
|
|
|
918 |
st = find_storage ( old_id, st, t ) ;
|
|
|
919 |
}
|
|
|
920 |
} else {
|
|
|
921 |
if ( tag == type_templ_tag && bound_specialise ) {
|
|
|
922 |
/* A template specialisation is a declaration (probably) */
|
|
|
923 |
df = dspec_none ;
|
|
|
924 |
} else {
|
|
|
925 |
/* Everything else is a definition */
|
|
|
926 |
df = dspec_defn ;
|
|
|
927 |
}
|
|
|
928 |
if ( in_function_defn ) {
|
|
|
929 |
/* Objects declared in a block have no linkage */
|
|
|
930 |
if ( IS_NULL_member ( mem ) ) {
|
|
|
931 |
/* Use old linkage if explicitly qualified */
|
|
|
932 |
st = find_storage ( old_id, dspec_none, t ) ;
|
|
|
933 |
} else if ( st == dspec_static ) {
|
|
|
934 |
st = dspec_none ;
|
|
|
935 |
} else if ( st == dspec_register ) {
|
|
|
936 |
st = ( dspec_auto | dspec_register ) ;
|
|
|
937 |
used_register = 1 ;
|
|
|
938 |
} else {
|
|
|
939 |
st = dspec_auto ;
|
|
|
940 |
}
|
|
|
941 |
} else if ( st == dspec_static ) {
|
|
|
942 |
/* Check static declarations */
|
|
|
943 |
if ( !def ) tentative = LANGUAGE_C ;
|
|
|
944 |
} else if ( st == dspec_none ) {
|
|
|
945 |
/* Objects declared const have internal linkage */
|
|
|
946 |
CV_SPEC qual = find_cv_qual ( t ) ;
|
|
|
947 |
if ( qual & cv_const ) {
|
|
|
948 |
st = const_linkage ;
|
|
|
949 |
if ( st & dspec_static ) {
|
|
|
950 |
st = find_storage ( old_id, st, t ) ;
|
|
|
951 |
}
|
|
|
952 |
} else {
|
|
|
953 |
st = dspec_extern ;
|
|
|
954 |
}
|
|
|
955 |
/* find_storage is not applied for objects */
|
|
|
956 |
if ( !def ) tentative = LANGUAGE_C ;
|
|
|
957 |
}
|
|
|
958 |
}
|
|
|
959 |
|
|
|
960 |
/* Create the declaration */
|
|
|
961 |
t = lvalue_type ( t ) ;
|
|
|
962 |
rs = ( ds & dspec_other ) ;
|
|
|
963 |
ds = ( st | df | rs ) ;
|
|
|
964 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
965 |
/* Check redeclarations */
|
|
|
966 |
old_id = redecl_id ( ds, t, old_id, 0, 0 ) ;
|
|
|
967 |
if ( IS_NULL_id ( old_id ) && IS_NULL_member ( mem ) ) {
|
|
|
968 |
/* Bad redeclaration of class or namespace member */
|
|
|
969 |
nm = lookup_anon () ;
|
|
|
970 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
971 |
itag = id_stat_member_tag ;
|
|
|
972 |
}
|
|
|
973 |
}
|
|
|
974 |
object_type ( t, itag ) ;
|
|
|
975 |
if ( IS_NULL_id ( old_id ) ) {
|
|
|
976 |
/* Construct the declaration */
|
|
|
977 |
ds = adjust_linkage ( ds, 0 ) ;
|
|
|
978 |
MAKE_id_variable_etc ( itag, nm, ds, ns, decl_loc, t, id ) ;
|
|
|
979 |
if ( in_function_defn ) {
|
|
|
980 |
if ( ds & dspec_linkage ) {
|
|
|
981 |
/* Block function declarations */
|
|
|
982 |
id = unify_previous ( id, t, prev_id, 0 ) ;
|
|
|
983 |
} else if ( redef && ( ds & dspec_auto ) ) {
|
|
|
984 |
/* Redeclarations of local variables */
|
|
|
985 |
mem = update_member ( ns, mem ) ;
|
|
|
986 |
}
|
|
|
987 |
} else {
|
|
|
988 |
id = unify_subsequent ( id, t, 0 ) ;
|
|
|
989 |
}
|
|
|
990 |
set_member ( mem, id ) ;
|
|
|
991 |
if ( itag == id_variable_tag && option ( OPT_decl_hide ) ) {
|
|
|
992 |
check_hiding ( id ) ;
|
|
|
993 |
}
|
|
|
994 |
is_redeclared = 0 ;
|
|
|
995 |
} else {
|
|
|
996 |
/* Redeclare an existing object */
|
|
|
997 |
id = old_id ;
|
|
|
998 |
if ( IS_id_member ( id ) ) {
|
|
|
999 |
t = DEREF_type ( id_member_type ( id ) ) ;
|
|
|
1000 |
} else {
|
|
|
1001 |
t = DEREF_type ( id_variable_etc_type ( id ) ) ;
|
|
|
1002 |
}
|
|
|
1003 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1004 |
is_redeclared = 1 ;
|
|
|
1005 |
}
|
|
|
1006 |
#if LANGUAGE_CPP
|
|
|
1007 |
if ( ds & dspec_c ) c_linkage ( id, 0 ) ;
|
|
|
1008 |
#endif
|
|
|
1009 |
check_obj_decl ( ds, t, id, tentative ) ;
|
|
|
1010 |
return ( id ) ;
|
|
|
1011 |
}
|
|
|
1012 |
|
|
|
1013 |
|
|
|
1014 |
/*
|
|
|
1015 |
DECLARE A FUNCTION
|
|
|
1016 |
|
|
|
1017 |
This routine constructs a function declaration for a function with
|
|
|
1018 |
declaration specifiers ds, type t and name id. The argument def is
|
|
|
1019 |
true to distinguish function definitions from function declarations.
|
|
|
1020 |
*/
|
|
|
1021 |
|
|
|
1022 |
IDENTIFIER make_func_decl
|
|
|
1023 |
PROTO_N ( ( ds, t, id, def ) )
|
|
|
1024 |
PROTO_T ( DECL_SPEC ds X TYPE t X IDENTIFIER id X int def )
|
|
|
1025 |
{
|
|
|
1026 |
ERROR err ;
|
|
|
1027 |
MEMBER mem ;
|
|
|
1028 |
int ok = 1 ;
|
|
|
1029 |
int chk = 1 ;
|
|
|
1030 |
unsigned it ;
|
|
|
1031 |
int simple_id = 1 ;
|
|
|
1032 |
int main_func = 0 ;
|
|
|
1033 |
IDENTIFIER old_id ;
|
|
|
1034 |
NAMESPACE ns, ens ;
|
|
|
1035 |
DECL_SPEC st, df, fn, rs ;
|
|
|
1036 |
IDENTIFIER over_id = NULL_id ;
|
|
|
1037 |
IDENTIFIER prev_id = NULL_id ;
|
|
|
1038 |
unsigned itag = id_function_tag ;
|
|
|
1039 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1040 |
#if LANGUAGE_CPP
|
|
|
1041 |
int allocator = 0 ;
|
|
|
1042 |
#endif
|
|
|
1043 |
|
|
|
1044 |
/* Check for template specialisations */
|
|
|
1045 |
if ( is_templ_decl ( id, t ) || is_templ_spec ( t ) ) {
|
|
|
1046 |
t = bind_specialise ( &id, t, ds, 0, 1, def ) ;
|
|
|
1047 |
if ( IS_NULL_id ( id ) ) {
|
|
|
1048 |
/* Invalid specialisation */
|
|
|
1049 |
crt_id_qualifier = qual_none ;
|
|
|
1050 |
crt_templ_qualifier = 0 ;
|
|
|
1051 |
id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
1052 |
while ( IS_type_templ ( t ) ) {
|
|
|
1053 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1054 |
}
|
|
|
1055 |
id = make_func_decl ( ds, t, id, def ) ;
|
|
|
1056 |
return ( id ) ;
|
|
|
1057 |
}
|
|
|
1058 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
1059 |
check_decl_nspace ( id, ns, def, crt_namespace ) ;
|
|
|
1060 |
ens = ns ;
|
|
|
1061 |
mem = NULL_member ;
|
|
|
1062 |
old_id = id ;
|
|
|
1063 |
simple_id = 0 ;
|
|
|
1064 |
|
|
|
1065 |
} else {
|
|
|
1066 |
/* Check on identifier name */
|
|
|
1067 |
QUALIFIER cq = crt_id_qualifier ;
|
|
|
1068 |
err = check_id_name ( id, CONTEXT_FUNCTION ) ;
|
|
|
1069 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
1070 |
report ( crt_loc, err ) ;
|
|
|
1071 |
ok = 0 ;
|
|
|
1072 |
}
|
|
|
1073 |
|
|
|
1074 |
/* Check for qualified identifiers */
|
|
|
1075 |
if ( cq == qual_none ) {
|
|
|
1076 |
/* Declaration of simple identifier */
|
|
|
1077 |
ns = crt_namespace ;
|
|
|
1078 |
ens = nonblock_namespace ;
|
|
|
1079 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
1080 |
old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
1081 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1082 |
old_id = redecl_inherit ( old_id, cq, 0, 1 ) ;
|
|
|
1083 |
}
|
|
|
1084 |
if ( def && in_function_defn ) {
|
|
|
1085 |
/* Check for nested function definitions */
|
|
|
1086 |
report ( crt_loc, ERR_dcl_fct_def_scope () ) ;
|
|
|
1087 |
}
|
|
|
1088 |
} else {
|
|
|
1089 |
/* Redeclaration of class or namespace member */
|
|
|
1090 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
1091 |
check_decl_nspace ( id, ns, def, crt_namespace ) ;
|
|
|
1092 |
ens = ns ;
|
|
|
1093 |
if ( IS_id_undef ( id ) ) {
|
|
|
1094 |
if ( IS_nspace_ctype ( ns ) ) itag = id_mem_func_tag ;
|
|
|
1095 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
1096 |
old_id = NULL_id ;
|
|
|
1097 |
} else {
|
|
|
1098 |
mem = NULL_member ;
|
|
|
1099 |
old_id = redecl_inherit ( id, cq, 0, 1 ) ;
|
|
|
1100 |
t = bind_specialise ( &old_id, t, ds, 0, 0, def ) ;
|
|
|
1101 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1102 |
id = old_id ;
|
|
|
1103 |
itag = TAG_id ( id ) ;
|
|
|
1104 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
1105 |
ens = ns ;
|
|
|
1106 |
}
|
|
|
1107 |
}
|
|
|
1108 |
simple_id = 0 ;
|
|
|
1109 |
}
|
|
|
1110 |
}
|
|
|
1111 |
|
|
|
1112 |
/* Allow for special functions */
|
|
|
1113 |
if ( EQ_KEYWORD ( nm, lex_main ) && IS_nspace_global ( ens ) ) {
|
|
|
1114 |
if ( ds & dspec_typedef ) {
|
|
|
1115 |
/* Ignore type definition */
|
|
|
1116 |
/* EMPTY */
|
|
|
1117 |
} else {
|
|
|
1118 |
t = check_main ( t, nm ) ;
|
|
|
1119 |
main_func = 1 ;
|
|
|
1120 |
}
|
|
|
1121 |
}
|
|
|
1122 |
it = TAG_hashid ( nm ) ;
|
|
|
1123 |
#if LANGUAGE_CPP
|
|
|
1124 |
switch ( it ) {
|
|
|
1125 |
case hashid_constr_tag : {
|
|
|
1126 |
t = check_constr ( t, id, ns ) ;
|
|
|
1127 |
ds &= ~dspec_empty ;
|
|
|
1128 |
ds |= dspec_main ;
|
|
|
1129 |
break ;
|
|
|
1130 |
}
|
|
|
1131 |
case hashid_destr_tag : {
|
|
|
1132 |
t = check_destr ( t, id, ns ) ;
|
|
|
1133 |
ds &= ~dspec_empty ;
|
|
|
1134 |
ds |= dspec_main ;
|
|
|
1135 |
break ;
|
|
|
1136 |
}
|
|
|
1137 |
case hashid_op_tag : {
|
|
|
1138 |
int cl = IS_nspace_ctype ( ns ) ;
|
|
|
1139 |
t = check_operator ( t, id, cl, &allocator ) ;
|
|
|
1140 |
if ( !allocator ) ds |= dspec_ignore ;
|
|
|
1141 |
break ;
|
|
|
1142 |
}
|
|
|
1143 |
case hashid_conv_tag : {
|
|
|
1144 |
t = check_conv ( t, id ) ;
|
|
|
1145 |
ds &= ~dspec_empty ;
|
|
|
1146 |
chk = 0 ;
|
|
|
1147 |
break ;
|
|
|
1148 |
}
|
|
|
1149 |
}
|
|
|
1150 |
#endif
|
|
|
1151 |
|
|
|
1152 |
/* Deal with inferred types */
|
|
|
1153 |
ds = check_func_type ( ds, t, def, chk, 0 ) ;
|
|
|
1154 |
if ( main_func ) ds |= dspec_main ;
|
|
|
1155 |
|
|
|
1156 |
/* Handle function definitions */
|
|
|
1157 |
df = ( def ? dspec_defn : dspec_none ) ;
|
|
|
1158 |
|
|
|
1159 |
/* Check on storage class specifiers */
|
|
|
1160 |
st = check_storage ( ds, CONTEXT_FUNCTION, old_id ) ;
|
|
|
1161 |
if ( st == dspec_static ) {
|
|
|
1162 |
/* Check on static functions */
|
|
|
1163 |
if ( main_func ) {
|
|
|
1164 |
report ( crt_loc, ERR_basic_start_main_link ( nm, st ) ) ;
|
|
|
1165 |
st = dspec_extern ;
|
|
|
1166 |
} else {
|
|
|
1167 |
/* Check static declarations */
|
|
|
1168 |
/* EMPTY */
|
|
|
1169 |
}
|
|
|
1170 |
} else if ( ds & dspec_inline ) {
|
|
|
1171 |
/* Check on inline functions */
|
|
|
1172 |
if ( main_func ) {
|
|
|
1173 |
fn = dspec_inline ;
|
|
|
1174 |
report ( crt_loc, ERR_basic_start_main_link ( nm, fn ) ) ;
|
|
|
1175 |
ds &= ~dspec_inline ;
|
|
|
1176 |
} else {
|
|
|
1177 |
if ( st == dspec_extern && inline_linkage == dspec_static ) {
|
|
|
1178 |
/* Inline functions can't be extern */
|
|
|
1179 |
report ( crt_loc, ERR_dcl_stc_ext_inline () ) ;
|
|
|
1180 |
}
|
|
|
1181 |
if ( in_function_defn ) {
|
|
|
1182 |
/* Can't declare inline functions in a block */
|
|
|
1183 |
report ( crt_loc, ERR_dcl_fct_spec_block () ) ;
|
|
|
1184 |
st = dspec_none ;
|
|
|
1185 |
}
|
|
|
1186 |
}
|
|
|
1187 |
}
|
|
|
1188 |
|
|
|
1189 |
/* Deal with type definitions */
|
|
|
1190 |
if ( ds & dspec_typedef ) {
|
|
|
1191 |
/* Can only apply typedef to declarations, not definitions */
|
|
|
1192 |
if ( !def ) {
|
|
|
1193 |
if ( ok ) {
|
|
|
1194 |
/* Recheck identifier name */
|
|
|
1195 |
err = check_id_name ( id, CONTEXT_OBJECT ) ;
|
|
|
1196 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
1197 |
}
|
|
|
1198 |
id = make_type_decl ( ns, ds, t, mem, id ) ;
|
|
|
1199 |
return ( id ) ;
|
|
|
1200 |
}
|
|
|
1201 |
report ( crt_loc, ERR_dcl_typedef_func () ) ;
|
|
|
1202 |
}
|
|
|
1203 |
|
|
|
1204 |
/* Check on function specifiers */
|
|
|
1205 |
fn = check_func_spec ( ds, CONTEXT_FUNCTION ) ;
|
|
|
1206 |
|
|
|
1207 |
/* Find the function linkage */
|
|
|
1208 |
if ( st == dspec_extern ) {
|
|
|
1209 |
if ( in_function_defn && simple_id ) {
|
|
|
1210 |
prev_id = find_previous ( t, id ) ;
|
|
|
1211 |
st = find_storage ( prev_id, st, NULL_type ) ;
|
|
|
1212 |
} else {
|
|
|
1213 |
prev_id = old_id ;
|
|
|
1214 |
st = find_storage ( old_id, st, t ) ;
|
|
|
1215 |
}
|
|
|
1216 |
} else if ( st == dspec_static ) {
|
|
|
1217 |
if ( in_function_defn ) {
|
|
|
1218 |
/* Can't declare static functions in a block */
|
|
|
1219 |
report ( crt_loc, ERR_dcl_stc_stat_block () ) ;
|
|
|
1220 |
if ( simple_id ) {
|
|
|
1221 |
prev_id = find_previous ( t, id ) ;
|
|
|
1222 |
} else {
|
|
|
1223 |
prev_id = old_id ;
|
|
|
1224 |
}
|
|
|
1225 |
}
|
|
|
1226 |
} else if ( st == dspec_none ) {
|
|
|
1227 |
/* Inline functions have internal linkage */
|
|
|
1228 |
if ( fn & dspec_inline ) {
|
|
|
1229 |
st = inline_linkage ;
|
|
|
1230 |
} else {
|
|
|
1231 |
st = dspec_extern ;
|
|
|
1232 |
}
|
|
|
1233 |
if ( in_function_defn ) {
|
|
|
1234 |
prev_id = find_previous ( t, id ) ;
|
|
|
1235 |
st = find_storage ( prev_id, st, NULL_type ) ;
|
|
|
1236 |
} else {
|
|
|
1237 |
prev_id = old_id ;
|
|
|
1238 |
st = find_storage ( old_id, st, t ) ;
|
|
|
1239 |
}
|
|
|
1240 |
}
|
|
|
1241 |
|
|
|
1242 |
/* Create the declaration */
|
|
|
1243 |
t = lvalue_type ( t ) ;
|
|
|
1244 |
rs = ( ds & dspec_other ) ;
|
|
|
1245 |
ds = ( st | df | fn | rs ) ;
|
|
|
1246 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1247 |
/* Check redeclarations */
|
|
|
1248 |
old_id = redecl_func ( ds, t, old_id, itag, &over_id, def ) ;
|
|
|
1249 |
if ( IS_NULL_id ( old_id ) && IS_NULL_member ( mem ) ) {
|
|
|
1250 |
/* Bad redeclaration of class or namespace member */
|
|
|
1251 |
nm = lookup_anon () ;
|
|
|
1252 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
1253 |
if ( IS_nspace_ctype ( ns ) ) itag = id_mem_func_tag ;
|
|
|
1254 |
over_id = NULL_id ;
|
|
|
1255 |
}
|
|
|
1256 |
}
|
|
|
1257 |
object_type ( t, itag ) ;
|
|
|
1258 |
if ( IS_NULL_id ( old_id ) ) {
|
|
|
1259 |
/* Declare the function */
|
|
|
1260 |
ds = adjust_linkage ( ds, 0 ) ;
|
|
|
1261 |
MAKE_id_function_etc ( itag, nm, ds, ns, decl_loc, t, over_id, id ) ;
|
|
|
1262 |
if ( in_function_defn ) {
|
|
|
1263 |
id = unify_previous ( id, t, prev_id, def ) ;
|
|
|
1264 |
} else {
|
|
|
1265 |
id = unify_subsequent ( id, t, def ) ;
|
|
|
1266 |
}
|
|
|
1267 |
set_member ( mem, id ) ;
|
|
|
1268 |
decl_func_type ( id, t, def ) ;
|
|
|
1269 |
|
|
|
1270 |
/* Check for conversion functions */
|
|
|
1271 |
if ( it == hashid_conv_tag && itag != id_mem_func_tag ) {
|
|
|
1272 |
report ( crt_loc, ERR_class_conv_fct_mem () ) ;
|
|
|
1273 |
}
|
|
|
1274 |
if ( itag == id_function_tag && option ( OPT_decl_hide ) ) {
|
|
|
1275 |
check_hiding ( id ) ;
|
|
|
1276 |
}
|
|
|
1277 |
is_redeclared = 0 ;
|
|
|
1278 |
} else {
|
|
|
1279 |
/* Redeclare the function */
|
|
|
1280 |
id = old_id ;
|
|
|
1281 |
is_redeclared = 1 ;
|
|
|
1282 |
}
|
|
|
1283 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1284 |
#if LANGUAGE_CPP
|
|
|
1285 |
if ( ds & dspec_c ) c_linkage ( id, def ) ;
|
|
|
1286 |
#endif
|
|
|
1287 |
|
|
|
1288 |
/* Allow for discarded functions */
|
|
|
1289 |
if ( !( rs & dspec_ignore ) && option ( OPT_discard_func ) ) {
|
|
|
1290 |
ds &= ~dspec_ignore ;
|
|
|
1291 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
1292 |
}
|
|
|
1293 |
#if LANGUAGE_CPP
|
|
|
1294 |
if ( allocator ) recheck_allocator ( id, allocator ) ;
|
|
|
1295 |
#endif
|
|
|
1296 |
if ( main_func ) recheck_main ( id ) ;
|
|
|
1297 |
return ( id ) ;
|
|
|
1298 |
}
|
|
|
1299 |
|
|
|
1300 |
|
|
|
1301 |
/*
|
|
|
1302 |
CHECK A PARAMETER DECLARATION
|
|
|
1303 |
|
|
|
1304 |
This routine checks the type of the parameter id declared with type t.
|
|
|
1305 |
*/
|
|
|
1306 |
|
|
|
1307 |
void check_par_decl
|
|
|
1308 |
PROTO_N ( ( t, id, loc ) )
|
|
|
1309 |
PROTO_T ( TYPE t X IDENTIFIER id X int loc )
|
|
|
1310 |
{
|
|
|
1311 |
unsigned tag = TAG_type ( t ) ;
|
|
|
1312 |
if ( tag == type_compound_tag ) {
|
|
|
1313 |
/* Parameters can't have abstract type */
|
|
|
1314 |
ERROR err = check_abstract ( t ) ;
|
|
|
1315 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
1316 |
err = concat_error ( err, ERR_class_abstract_par () ) ;
|
|
|
1317 |
report ( crt_loc, err ) ;
|
|
|
1318 |
}
|
|
|
1319 |
} else if ( tag == type_templ_tag ) {
|
|
|
1320 |
/* Shouldn't have template type */
|
|
|
1321 |
report ( crt_loc, ERR_temp_decl_bad () ) ;
|
|
|
1322 |
}
|
|
|
1323 |
if ( loc == CONTEXT_WEAK_PARAM ) {
|
|
|
1324 |
/* Check for 'void' and other types */
|
|
|
1325 |
ERROR err = check_param_type ( id, t ) ;
|
|
|
1326 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
1327 |
}
|
|
|
1328 |
return ;
|
|
|
1329 |
}
|
|
|
1330 |
|
|
|
1331 |
|
|
|
1332 |
/*
|
|
|
1333 |
DECLARE A FUNCTION PARAMETER
|
|
|
1334 |
|
|
|
1335 |
This routine constructs the declaration of a function parameter or
|
|
|
1336 |
non-type template parameter (as indicated by loc) with declaration
|
|
|
1337 |
specifiers ds, type t and name id. Note that t is not checked - this
|
|
|
1338 |
is only a declaration, and t may still legitimately be void, however
|
|
|
1339 |
function and array parameters are adjusted to pointer parameters at
|
|
|
1340 |
this stage.
|
|
|
1341 |
*/
|
|
|
1342 |
|
|
|
1343 |
IDENTIFIER make_param_decl
|
|
|
1344 |
PROTO_N ( ( ds, t, id, loc ) )
|
|
|
1345 |
PROTO_T ( DECL_SPEC ds X TYPE t X IDENTIFIER id X int loc )
|
|
|
1346 |
{
|
|
|
1347 |
ERROR err ;
|
|
|
1348 |
DECL_SPEC st, rs ;
|
|
|
1349 |
NAMESPACE ns = crt_namespace ;
|
|
|
1350 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1351 |
MEMBER mem = search_member ( ns, nm, 1 ) ;
|
|
|
1352 |
IDENTIFIER old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
1353 |
|
|
|
1354 |
/* Check on identifier name */
|
|
|
1355 |
err = check_id_name ( id, loc ) ;
|
|
|
1356 |
if ( !IS_NULL_err ( err ) ) report ( decl_loc, err ) ;
|
|
|
1357 |
|
|
|
1358 |
/* Deal with inferred types */
|
|
|
1359 |
ds = check_inferred_type ( ds, &t, 0 ) ;
|
|
|
1360 |
func_type_defn ( 1 ) ;
|
|
|
1361 |
|
|
|
1362 |
/* Check on storage class specifiers */
|
|
|
1363 |
st = check_storage ( ds, loc, old_id ) ;
|
|
|
1364 |
if ( st == dspec_register ) {
|
|
|
1365 |
st = ( dspec_auto | dspec_register ) ;
|
|
|
1366 |
used_register = 1 ;
|
|
|
1367 |
} else {
|
|
|
1368 |
st = dspec_auto ;
|
|
|
1369 |
}
|
|
|
1370 |
|
|
|
1371 |
/* Deal with type definitions */
|
|
|
1372 |
if ( ds & dspec_typedef ) {
|
|
|
1373 |
/* Can't have typedef in function parameters */
|
|
|
1374 |
report ( decl_loc, ERR_dcl_typedef_par () ) ;
|
|
|
1375 |
}
|
|
|
1376 |
|
|
|
1377 |
/* Check on function specifiers */
|
|
|
1378 |
IGNORE check_func_spec ( ds, loc ) ;
|
|
|
1379 |
|
|
|
1380 |
/* Create the parameter declaration */
|
|
|
1381 |
t = make_param_type ( t, loc ) ;
|
|
|
1382 |
rs = ( ds & dspec_other ) ;
|
|
|
1383 |
ds = ( st | rs | dspec_defn ) ;
|
|
|
1384 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1385 |
/* Check for redeclarations */
|
|
|
1386 |
if ( loc == CONTEXT_TEMPL_PARAM ) {
|
|
|
1387 |
report ( decl_loc, ERR_temp_param_dup ( nm ) ) ;
|
|
|
1388 |
nm = lookup_anon () ;
|
|
|
1389 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
1390 |
id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
1391 |
} else {
|
|
|
1392 |
if ( loc == CONTEXT_WEAK_PARAM ) {
|
|
|
1393 |
if ( IS_id_weak_param ( old_id ) ) {
|
|
|
1394 |
/* Check for order of declaration */
|
|
|
1395 |
MEMBER mem1 = DEREF_member ( nspace_last ( ns ) ) ;
|
|
|
1396 |
while ( !EQ_member ( mem1, mem ) ) {
|
|
|
1397 |
IDENTIFIER mid = DEREF_id ( member_id ( mem1 ) ) ;
|
|
|
1398 |
if ( !IS_NULL_id ( mid ) && IS_id_parameter ( mid ) ) {
|
|
|
1399 |
report ( decl_loc, ERR_dcl_fct_par_order () ) ;
|
|
|
1400 |
break ;
|
|
|
1401 |
}
|
|
|
1402 |
mem1 = DEREF_member ( member_next ( mem1 ) ) ;
|
|
|
1403 |
}
|
|
|
1404 |
old_id = NULL_id ;
|
|
|
1405 |
} else if ( !IS_id_parameter ( old_id ) ) {
|
|
|
1406 |
report ( decl_loc, ERR_dcl_fct_par_undecl ( nm ) ) ;
|
|
|
1407 |
}
|
|
|
1408 |
}
|
|
|
1409 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1410 |
if ( IS_id_parameter ( old_id ) ) {
|
|
|
1411 |
/* Make up new name for parameter */
|
|
|
1412 |
nm = lookup_anon () ;
|
|
|
1413 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
1414 |
}
|
|
|
1415 |
IGNORE redecl_id ( ds, t, old_id, 0, 0 ) ;
|
|
|
1416 |
}
|
|
|
1417 |
}
|
|
|
1418 |
} else {
|
|
|
1419 |
if ( loc == CONTEXT_WEAK_PARAM ) {
|
|
|
1420 |
report ( decl_loc, ERR_dcl_fct_par_undecl ( nm ) ) ;
|
|
|
1421 |
}
|
|
|
1422 |
}
|
|
|
1423 |
ds = adjust_linkage ( ds, 0 ) ;
|
|
|
1424 |
if ( loc == CONTEXT_TEMPL_PARAM ) {
|
|
|
1425 |
IDENTIFIER pid ;
|
|
|
1426 |
object_type ( t, id_token_tag ) ;
|
|
|
1427 |
id = make_exp_param ( t, id ) ;
|
|
|
1428 |
pid = DEREF_id ( id_token_alt ( id ) ) ;
|
|
|
1429 |
set_member ( mem, pid ) ;
|
|
|
1430 |
} else {
|
|
|
1431 |
t = lvalue_type ( t ) ;
|
|
|
1432 |
object_type ( t, id_parameter_tag ) ;
|
|
|
1433 |
MAKE_id_parameter ( nm, ds, ns, decl_loc, t, id ) ;
|
|
|
1434 |
set_member ( mem, id ) ;
|
|
|
1435 |
}
|
|
|
1436 |
check_par_decl ( t, id, loc ) ;
|
|
|
1437 |
is_redeclared = 0 ;
|
|
|
1438 |
return ( id ) ;
|
|
|
1439 |
}
|
|
|
1440 |
|
|
|
1441 |
|
|
|
1442 |
/*
|
|
|
1443 |
DECLARE A NON-PROTOTYPE FUNCTION PARAMETER
|
|
|
1444 |
|
|
|
1445 |
This routine is used to declare a non-prototype function parameter.
|
|
|
1446 |
*/
|
|
|
1447 |
|
|
|
1448 |
IDENTIFIER weak_param_decl
|
|
|
1449 |
PROTO_N ( ( id ) )
|
|
|
1450 |
PROTO_T ( IDENTIFIER id )
|
|
|
1451 |
{
|
|
|
1452 |
NAMESPACE ns = crt_namespace ;
|
|
|
1453 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1454 |
MEMBER mem = search_member ( ns, nm, 1 ) ;
|
|
|
1455 |
IDENTIFIER old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
1456 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1457 |
nm = lookup_anon () ;
|
|
|
1458 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
1459 |
IGNORE redecl_id ( dspec_none, NULL_type, old_id, 0, 0 ) ;
|
|
|
1460 |
}
|
|
|
1461 |
MAKE_id_weak_param ( nm, dspec_none, ns, decl_loc, id ) ;
|
|
|
1462 |
set_member ( mem, id ) ;
|
|
|
1463 |
is_redeclared = 0 ;
|
|
|
1464 |
return ( id ) ;
|
|
|
1465 |
}
|
|
|
1466 |
|
|
|
1467 |
|
|
|
1468 |
/*
|
|
|
1469 |
CHECK A MEMBER DECLARATION
|
|
|
1470 |
|
|
|
1471 |
This routine checks the declaration of the class member id with type
|
|
|
1472 |
t and declaration specifiers ds.
|
|
|
1473 |
*/
|
|
|
1474 |
|
|
|
1475 |
void check_mem_decl
|
|
|
1476 |
PROTO_N ( ( ds, t, id ) )
|
|
|
1477 |
PROTO_T ( DECL_SPEC ds X TYPE t X IDENTIFIER id )
|
|
|
1478 |
{
|
|
|
1479 |
unsigned tag = TAG_type ( t ) ;
|
|
|
1480 |
if ( ds & dspec_mutable ) {
|
|
|
1481 |
/* Can't apply mutable to a const member */
|
|
|
1482 |
CV_SPEC qual = find_cv_qual ( t ) ;
|
|
|
1483 |
if ( qual & cv_const ) {
|
|
|
1484 |
report ( crt_loc, ERR_dcl_stc_mut_const ( id ) ) ;
|
|
|
1485 |
if ( IS_id_member ( id ) ) {
|
|
|
1486 |
qual &= ~cv_const ;
|
|
|
1487 |
t = qualify_type ( t, qual, 0 ) ;
|
|
|
1488 |
COPY_type ( id_member_type ( id ), t ) ;
|
|
|
1489 |
}
|
|
|
1490 |
}
|
|
|
1491 |
}
|
|
|
1492 |
if ( tag == type_top_tag || tag == type_bottom_tag ) {
|
|
|
1493 |
/* Always report void members */
|
|
|
1494 |
report ( crt_loc, ERR_basic_fund_void_mem ( id, t ) ) ;
|
|
|
1495 |
} else if ( tag == type_templ_tag ) {
|
|
|
1496 |
/* Shouldn't have template type */
|
|
|
1497 |
report ( crt_loc, ERR_temp_decl_bad () ) ;
|
|
|
1498 |
} else if ( ds & dspec_defn ) {
|
|
|
1499 |
/* Only check otherwise for defined (non-static) members */
|
|
|
1500 |
if ( tag == type_ref_tag ) {
|
|
|
1501 |
/* References don't need checking */
|
|
|
1502 |
/* EMPTY */
|
|
|
1503 |
} else {
|
|
|
1504 |
/* Other members should have complete type */
|
|
|
1505 |
ERROR err = check_complete ( t ) ;
|
|
|
1506 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
1507 |
ERROR err2 = ERR_class_mem_incompl_mem ( id ) ;
|
|
|
1508 |
err = concat_error ( err, err2 ) ;
|
|
|
1509 |
report ( crt_loc, err ) ;
|
|
|
1510 |
} else {
|
|
|
1511 |
/* Members can't have abstract type */
|
|
|
1512 |
err = check_abstract ( t ) ;
|
|
|
1513 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
1514 |
ERROR err2 = ERR_class_abstract_mem ( id ) ;
|
|
|
1515 |
err = concat_error ( err, err2 ) ;
|
|
|
1516 |
report ( crt_loc, err ) ;
|
|
|
1517 |
}
|
|
|
1518 |
}
|
|
|
1519 |
}
|
|
|
1520 |
}
|
|
|
1521 |
return ;
|
|
|
1522 |
}
|
|
|
1523 |
|
|
|
1524 |
|
|
|
1525 |
/*
|
|
|
1526 |
DECLARE A CLASS MEMBER
|
|
|
1527 |
|
|
|
1528 |
This routine constructs the declaration of a class member with
|
|
|
1529 |
declaration specifiers ds, type t and name id. Note that the access
|
|
|
1530 |
declarations (i.e. just a qualified-id and a semicolon) can only be
|
|
|
1531 |
spotted at this stage. The argument sm is true if this is the first
|
|
|
1532 |
declarator in a list and the next token is a semicolon.
|
|
|
1533 |
*/
|
|
|
1534 |
|
|
|
1535 |
IDENTIFIER make_member_decl
|
|
|
1536 |
PROTO_N ( ( ds, t, id, sm ) )
|
|
|
1537 |
PROTO_T ( DECL_SPEC ds X TYPE t X IDENTIFIER id X int sm )
|
|
|
1538 |
{
|
|
|
1539 |
ERROR err ;
|
|
|
1540 |
HASHID nm ;
|
|
|
1541 |
MEMBER mem ;
|
|
|
1542 |
int redef = 0 ;
|
|
|
1543 |
int tokenised = 0 ;
|
|
|
1544 |
IDENTIFIER old_id ;
|
|
|
1545 |
IDENTIFIER alt_id ;
|
|
|
1546 |
DECL_SPEC st, df, rs ;
|
|
|
1547 |
OFFSET off = NULL_off ;
|
|
|
1548 |
CLASS_TYPE ct = crt_class ;
|
|
|
1549 |
IDENTIFIER tok_id = NULL_id ;
|
|
|
1550 |
NAMESPACE ns = crt_namespace ;
|
|
|
1551 |
unsigned tag = TAG_type ( t ) ;
|
|
|
1552 |
QUALIFIER cq = crt_id_qualifier ;
|
|
|
1553 |
CLASS_INFO ci = DEREF_cinfo ( ctype_info ( ct ) ) ;
|
|
|
1554 |
|
|
|
1555 |
/* Check for template specialisations */
|
|
|
1556 |
if ( is_templ_decl ( id, NULL_type ) ) {
|
|
|
1557 |
IGNORE bind_specialise ( &id, t, dspec_extern, 0, 1, 0 ) ;
|
|
|
1558 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
1559 |
report ( crt_loc, ERR_temp_spec_member ( id ) ) ;
|
|
|
1560 |
}
|
|
|
1561 |
return ( id ) ;
|
|
|
1562 |
}
|
|
|
1563 |
|
|
|
1564 |
/* Find previous declaration */
|
|
|
1565 |
nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1566 |
if ( IS_hashid_constr ( nm ) && cq == qual_none ) {
|
|
|
1567 |
DECL_SPEC sds = ( dspec_static | dspec_typedef | dspec_reserve ) ;
|
|
|
1568 |
if ( !( ds & sds ) ) {
|
|
|
1569 |
/* Can use class name for non-static member */
|
|
|
1570 |
report ( crt_loc, ERR_class_mem_ctor_data ( id ) ) ;
|
|
|
1571 |
id = DEREF_id ( hashid_constr_tid ( nm ) ) ;
|
|
|
1572 |
nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1573 |
}
|
|
|
1574 |
}
|
|
|
1575 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
1576 |
old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
1577 |
alt_id = DEREF_id ( member_alt ( mem ) ) ;
|
|
|
1578 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1579 |
old_id = redecl_inherit ( old_id, cq, 1, 2 ) ;
|
|
|
1580 |
}
|
|
|
1581 |
|
|
|
1582 |
/* Check on member qualifications */
|
|
|
1583 |
if ( cq != qual_none ) {
|
|
|
1584 |
if ( ( ds & dspec_empty ) && sm ) {
|
|
|
1585 |
/* Spot access declarations */
|
|
|
1586 |
id = access_decl ( id ) ;
|
|
|
1587 |
return ( id ) ;
|
|
|
1588 |
}
|
|
|
1589 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
1590 |
if ( EQ_nspace ( ns, crt_namespace ) ) {
|
|
|
1591 |
/* Qualifier indicates the current class */
|
|
|
1592 |
report ( crt_loc, ERR_dcl_meaning_mem ( cq, id ) ) ;
|
|
|
1593 |
crt_id_qualifier = qual_none ;
|
|
|
1594 |
} else {
|
|
|
1595 |
/* Qualifier indicates some other namespace */
|
|
|
1596 |
id = make_object_decl ( ds, t, id, 0 ) ;
|
|
|
1597 |
return ( id ) ;
|
|
|
1598 |
}
|
|
|
1599 |
}
|
|
|
1600 |
|
|
|
1601 |
/* Check on identifier name */
|
|
|
1602 |
err = check_id_name ( id, CONTEXT_MEMBER ) ;
|
|
|
1603 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
1604 |
|
|
|
1605 |
/* Deal with inferred types */
|
|
|
1606 |
ds = check_inferred_type ( ds, &t, 1 ) ;
|
|
|
1607 |
|
|
|
1608 |
/* Check on storage class specifiers */
|
|
|
1609 |
st = check_storage ( ds, CONTEXT_MEMBER, old_id ) ;
|
|
|
1610 |
if ( st == dspec_static ) {
|
|
|
1611 |
if ( tag == type_bitfield_tag ) {
|
|
|
1612 |
/* Bitfield members can't be static */
|
|
|
1613 |
report ( crt_loc, ERR_class_bit_static () ) ;
|
|
|
1614 |
st = dspec_none ;
|
|
|
1615 |
df = dspec_defn ;
|
|
|
1616 |
} else {
|
|
|
1617 |
if ( ci & cinfo_union ) {
|
|
|
1618 |
/* Unions can't have static data members */
|
|
|
1619 |
report ( crt_loc, ERR_class_union_static ( ct ) ) ;
|
|
|
1620 |
st = dspec_none ;
|
|
|
1621 |
df = dspec_defn ;
|
|
|
1622 |
} else {
|
|
|
1623 |
/* Static members are only declared */
|
|
|
1624 |
df = dspec_none ;
|
|
|
1625 |
}
|
|
|
1626 |
}
|
|
|
1627 |
} else {
|
|
|
1628 |
/* Other members are defined */
|
|
|
1629 |
df = dspec_defn ;
|
|
|
1630 |
}
|
|
|
1631 |
|
|
|
1632 |
/* Deal with type definitions */
|
|
|
1633 |
if ( ds & dspec_typedef ) {
|
|
|
1634 |
LIST ( IDENTIFIER ) ft = DEREF_list ( ctype_nest ( ct ) ) ;
|
|
|
1635 |
if ( tag == type_bitfield_tag ) {
|
|
|
1636 |
report ( crt_loc, ERR_class_bit_typedef () ) ;
|
|
|
1637 |
t = find_bitfield_type ( t ) ;
|
|
|
1638 |
}
|
|
|
1639 |
id = make_type_decl ( ns, ds, t, mem, id ) ;
|
|
|
1640 |
CONS_id ( id, ft, ft ) ;
|
|
|
1641 |
COPY_list ( ctype_nest ( ct ), ft ) ;
|
|
|
1642 |
return ( id ) ;
|
|
|
1643 |
}
|
|
|
1644 |
|
|
|
1645 |
/* Check on function specifiers */
|
|
|
1646 |
IGNORE check_func_spec ( ds, CONTEXT_MEMBER ) ;
|
|
|
1647 |
|
|
|
1648 |
/* Record class properties */
|
|
|
1649 |
rs = ( ds & dspec_other ) ;
|
|
|
1650 |
if ( rs & dspec_token ) tokenised = 1 ;
|
|
|
1651 |
if ( st == dspec_static ) {
|
|
|
1652 |
ds = ( df | rs | crt_access ) ;
|
|
|
1653 |
} else {
|
|
|
1654 |
ds = ( st | df | rs | crt_access ) ;
|
|
|
1655 |
}
|
|
|
1656 |
|
|
|
1657 |
/* Check for redeclarations */
|
|
|
1658 |
t = lvalue_type ( t ) ;
|
|
|
1659 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1660 |
if ( st != dspec_static && IS_id_member ( old_id ) ) {
|
|
|
1661 |
/* Allow for token definitions */
|
|
|
1662 |
if ( tokenised ) {
|
|
|
1663 |
/* Token with previous definition */
|
|
|
1664 |
off = DEREF_off ( id_member_off ( old_id ) ) ;
|
|
|
1665 |
t = DEREF_type ( id_member_type ( old_id ) ) ;
|
|
|
1666 |
tokenised = 3 ;
|
|
|
1667 |
} else {
|
|
|
1668 |
tok_id = find_token ( old_id ) ;
|
|
|
1669 |
if ( IS_id_token ( tok_id ) ) {
|
|
|
1670 |
/* Member was previously tokenised */
|
|
|
1671 |
DECL_SPEC tds = DEREF_dspec ( id_storage ( tok_id ) ) ;
|
|
|
1672 |
if ( !( tds & ( dspec_pure | dspec_auto ) ) ) {
|
|
|
1673 |
/* Token can't be defined */
|
|
|
1674 |
tokenised = 2 ;
|
|
|
1675 |
}
|
|
|
1676 |
}
|
|
|
1677 |
}
|
|
|
1678 |
}
|
|
|
1679 |
if ( tokenised == 0 ) {
|
|
|
1680 |
/* Redeclare if neither is a token */
|
|
|
1681 |
old_id = redecl_id ( ds, t, old_id, 0, 0 ) ;
|
|
|
1682 |
if ( IS_NULL_id ( old_id ) ) redef = 1 ;
|
|
|
1683 |
}
|
|
|
1684 |
} else if ( !IS_NULL_id ( alt_id ) ) {
|
|
|
1685 |
redef = 1 ;
|
|
|
1686 |
}
|
|
|
1687 |
|
|
|
1688 |
/* Create the declaration */
|
|
|
1689 |
ds = adjust_linkage ( ds, 1 ) ;
|
|
|
1690 |
if ( !really_in_function_defn ) ds |= dspec_extern ;
|
|
|
1691 |
if ( st == dspec_static ) {
|
|
|
1692 |
object_type ( t, id_stat_member_tag ) ;
|
|
|
1693 |
MAKE_id_stat_member ( nm, ds, ns, decl_loc, t, id ) ;
|
|
|
1694 |
} else {
|
|
|
1695 |
object_type ( t, id_member_tag ) ;
|
|
|
1696 |
MAKE_id_member ( nm, ds, ns, decl_loc, t, id ) ;
|
|
|
1697 |
if ( tokenised == 0 || tokenised == 2 ) {
|
|
|
1698 |
/* Construct member offset if not tokenised */
|
|
|
1699 |
MAKE_off_member ( id, off ) ;
|
|
|
1700 |
}
|
|
|
1701 |
COPY_off ( id_member_off ( id ), off ) ;
|
|
|
1702 |
if ( redef ) mem = update_member ( ns, mem ) ;
|
|
|
1703 |
}
|
|
|
1704 |
|
|
|
1705 |
/* Set the namespace member */
|
|
|
1706 |
if ( tokenised >= 2 ) {
|
|
|
1707 |
/* Create dummy member */
|
|
|
1708 |
MEMBER mem_old = DEREF_member ( nspace_last ( ns ) ) ;
|
|
|
1709 |
if ( tokenised == 2 ) {
|
|
|
1710 |
/* Define existing token */
|
|
|
1711 |
IGNORE define_mem_token ( tok_id, off, t, 1 ) ;
|
|
|
1712 |
} else {
|
|
|
1713 |
/* Token is defined later ... */
|
|
|
1714 |
/* EMPTY */
|
|
|
1715 |
}
|
|
|
1716 |
MAKE_member_large ( NULL_member, NULL_member, mem ) ;
|
|
|
1717 |
COPY_id ( member_id ( mem ), id ) ;
|
|
|
1718 |
COPY_member ( nspace_last ( ns ), mem ) ;
|
|
|
1719 |
COPY_member ( member_next ( mem_old ), mem ) ;
|
|
|
1720 |
}
|
|
|
1721 |
set_member ( mem, id ) ;
|
|
|
1722 |
check_mem_decl ( ds, t, id ) ;
|
|
|
1723 |
is_redeclared = 0 ;
|
|
|
1724 |
|
|
|
1725 |
/* Adjust class information */
|
|
|
1726 |
if ( st == dspec_static ) {
|
|
|
1727 |
if ( really_in_function_defn ) {
|
|
|
1728 |
/* Can't have static members in local classes */
|
|
|
1729 |
report ( crt_loc, ERR_class_local_static ( id ) ) ;
|
|
|
1730 |
}
|
|
|
1731 |
ci |= cinfo_static ;
|
|
|
1732 |
} else {
|
|
|
1733 |
/* Check member types */
|
|
|
1734 |
if ( crt_access != dspec_public ) ci |= cinfo_private ;
|
|
|
1735 |
ci = check_member_type ( ct, ci, t, 0 ) ;
|
|
|
1736 |
ci &= ~cinfo_empty ;
|
|
|
1737 |
}
|
|
|
1738 |
COPY_cinfo ( ctype_info ( ct ), ci ) ;
|
|
|
1739 |
return ( id ) ;
|
|
|
1740 |
}
|
|
|
1741 |
|
|
|
1742 |
|
|
|
1743 |
/*
|
|
|
1744 |
MAINTAIN SPECIAL MEMBER FUNCTIONS FOR A CLASS
|
|
|
1745 |
|
|
|
1746 |
This routine updates the special member function information for
|
|
|
1747 |
the class ct using the function id. tag gives the identifier name tag.
|
|
|
1748 |
*/
|
|
|
1749 |
|
|
|
1750 |
void special_func_mem
|
|
|
1751 |
PROTO_N ( ( ct, id, tag, prev ) )
|
|
|
1752 |
PROTO_T ( CLASS_TYPE ct X IDENTIFIER id X unsigned tag X IDENTIFIER prev )
|
|
|
1753 |
{
|
|
|
1754 |
switch ( tag ) {
|
|
|
1755 |
case hashid_constr_tag : {
|
|
|
1756 |
/* Set constructor */
|
|
|
1757 |
COPY_id ( ctype_constr ( ct ), id ) ;
|
|
|
1758 |
break ;
|
|
|
1759 |
}
|
|
|
1760 |
case hashid_destr_tag : {
|
|
|
1761 |
/* Set destructor */
|
|
|
1762 |
COPY_id ( ctype_destr ( ct ), id ) ;
|
|
|
1763 |
break ;
|
|
|
1764 |
}
|
|
|
1765 |
case hashid_conv_tag : {
|
|
|
1766 |
/* Maintain list of conversion functions */
|
|
|
1767 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1768 |
LIST ( IDENTIFIER ) conv = DEREF_list ( ctype_conv ( ct ) ) ;
|
|
|
1769 |
LIST ( IDENTIFIER ) p = conv ;
|
|
|
1770 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
1771 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( p ) ) ;
|
|
|
1772 |
HASHID pnm = DEREF_hashid ( id_name ( pid ) ) ;
|
|
|
1773 |
if ( EQ_hashid ( nm, pnm ) ) {
|
|
|
1774 |
/* Already member of list */
|
|
|
1775 |
IDENTIFIER over ;
|
|
|
1776 |
over = DEREF_id ( id_function_etc_over ( id ) ) ;
|
|
|
1777 |
if ( !EQ_id ( pid, over ) && !EQ_id ( pid, prev ) ) {
|
|
|
1778 |
/* Template function has produced duplicate */
|
|
|
1779 |
PTR ( LOCATION ) ploc = id_loc ( pid ) ;
|
|
|
1780 |
report ( crt_loc, ERR_class_mem_redecl ( id, ploc ) ) ;
|
|
|
1781 |
}
|
|
|
1782 |
COPY_id ( HEAD_list ( p ), id ) ;
|
|
|
1783 |
return ;
|
|
|
1784 |
}
|
|
|
1785 |
p = TAIL_list ( p ) ;
|
|
|
1786 |
}
|
|
|
1787 |
CONS_id ( id, conv, conv ) ;
|
|
|
1788 |
COPY_list ( ctype_conv ( ct ), conv ) ;
|
|
|
1789 |
break ;
|
|
|
1790 |
}
|
|
|
1791 |
}
|
|
|
1792 |
return ;
|
|
|
1793 |
}
|
|
|
1794 |
|
|
|
1795 |
|
|
|
1796 |
/*
|
|
|
1797 |
DECLARE A CLASS FUNCTION MEMBER
|
|
|
1798 |
|
|
|
1799 |
This routine constructs a function declaration for a class member
|
|
|
1800 |
function with declaration specifiers ds, type t and name id. The
|
|
|
1801 |
argument def is true to distinguish function definitions from function
|
|
|
1802 |
declarations.
|
|
|
1803 |
*/
|
|
|
1804 |
|
|
|
1805 |
#if LANGUAGE_CPP
|
|
|
1806 |
|
|
|
1807 |
IDENTIFIER make_func_mem_decl
|
|
|
1808 |
PROTO_N ( ( ds, t, id, def ) )
|
|
|
1809 |
PROTO_T ( DECL_SPEC ds X TYPE t X IDENTIFIER id X int def )
|
|
|
1810 |
{
|
|
|
1811 |
ERROR err ;
|
|
|
1812 |
MEMBER mem ;
|
|
|
1813 |
int ok = 1 ;
|
|
|
1814 |
int chk = 1 ;
|
|
|
1815 |
unsigned it ;
|
|
|
1816 |
unsigned itag ;
|
|
|
1817 |
int allocator = 0 ;
|
|
|
1818 |
IDENTIFIER old_id ;
|
|
|
1819 |
LIST ( VIRTUAL ) vt ;
|
|
|
1820 |
DECL_SPEC st, df, fn, rs ;
|
|
|
1821 |
IDENTIFIER over_id = NULL_id ;
|
|
|
1822 |
IDENTIFIER hide_id = NULL_id ;
|
|
|
1823 |
NAMESPACE ns = crt_namespace ;
|
|
|
1824 |
QUALIFIER cq = crt_id_qualifier ;
|
|
|
1825 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1826 |
CLASS_TYPE ct = crt_class ;
|
|
|
1827 |
CLASS_INFO ci = DEREF_cinfo ( ctype_info ( ct ) ) ;
|
|
|
1828 |
|
|
|
1829 |
/* Check for template specialisations */
|
|
|
1830 |
if ( is_templ_decl ( id, t ) || is_templ_spec ( t ) ) {
|
|
|
1831 |
st = ( dspec_extern | ( ds & dspec_inline ) ) ;
|
|
|
1832 |
IGNORE bind_specialise ( &id, t, st, 0, 1, def ) ;
|
|
|
1833 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
1834 |
report ( crt_loc, ERR_temp_spec_member ( id ) ) ;
|
|
|
1835 |
}
|
|
|
1836 |
return ( id ) ;
|
|
|
1837 |
}
|
|
|
1838 |
|
|
|
1839 |
/* Find previous declaration */
|
|
|
1840 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
1841 |
old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
1842 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
1843 |
old_id = redecl_inherit ( old_id, cq, 1, 1 ) ;
|
|
|
1844 |
}
|
|
|
1845 |
|
|
|
1846 |
/* Check on member qualifications */
|
|
|
1847 |
if ( cq != qual_none ) {
|
|
|
1848 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
1849 |
if ( EQ_nspace ( ns, crt_namespace ) ) {
|
|
|
1850 |
/* Qualifier indicates the current class */
|
|
|
1851 |
report ( crt_loc, ERR_dcl_meaning_mem ( cq, id ) ) ;
|
|
|
1852 |
crt_id_qualifier = qual_none ;
|
|
|
1853 |
} else {
|
|
|
1854 |
/* Qualifier indicates some other namespace */
|
|
|
1855 |
id = make_func_decl ( ds, t, id, def ) ;
|
|
|
1856 |
return ( id ) ;
|
|
|
1857 |
}
|
|
|
1858 |
}
|
|
|
1859 |
|
|
|
1860 |
/* Check on identifier name */
|
|
|
1861 |
err = check_id_name ( id, CONTEXT_FUNC_MEMBER ) ;
|
|
|
1862 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
1863 |
report ( crt_loc, err ) ;
|
|
|
1864 |
ok = 0 ;
|
|
|
1865 |
}
|
|
|
1866 |
|
|
|
1867 |
/* Allow for special functions */
|
|
|
1868 |
it = TAG_hashid ( nm ) ;
|
|
|
1869 |
switch ( it ) {
|
|
|
1870 |
case hashid_constr_tag : {
|
|
|
1871 |
t = check_constr ( t, id, ns ) ;
|
|
|
1872 |
ds &= ~dspec_empty ;
|
|
|
1873 |
ds |= dspec_main ;
|
|
|
1874 |
break ;
|
|
|
1875 |
}
|
|
|
1876 |
case hashid_destr_tag : {
|
|
|
1877 |
t = check_destr ( t, id, ns ) ;
|
|
|
1878 |
ds &= ~dspec_empty ;
|
|
|
1879 |
ds |= dspec_main ;
|
|
|
1880 |
break ;
|
|
|
1881 |
}
|
|
|
1882 |
case hashid_op_tag : {
|
|
|
1883 |
t = check_operator ( t, id, 1, &allocator ) ;
|
|
|
1884 |
if ( !allocator ) ds |= dspec_ignore ;
|
|
|
1885 |
break ;
|
|
|
1886 |
}
|
|
|
1887 |
case hashid_conv_tag : {
|
|
|
1888 |
t = check_conv ( t, id ) ;
|
|
|
1889 |
ds &= ~dspec_empty ;
|
|
|
1890 |
chk = 0 ;
|
|
|
1891 |
break ;
|
|
|
1892 |
}
|
|
|
1893 |
}
|
|
|
1894 |
|
|
|
1895 |
/* Deal with inferred types */
|
|
|
1896 |
ds = check_func_type ( ds, t, def, chk, 1 ) ;
|
|
|
1897 |
|
|
|
1898 |
/* Handle function definitions */
|
|
|
1899 |
if ( def ) {
|
|
|
1900 |
/* Functions defined in a class are inline */
|
|
|
1901 |
df = dspec_defn ;
|
|
|
1902 |
ds |= dspec_inline ;
|
|
|
1903 |
} else {
|
|
|
1904 |
df = dspec_none ;
|
|
|
1905 |
}
|
|
|
1906 |
|
|
|
1907 |
/* Check on storage class specifiers */
|
|
|
1908 |
st = check_storage ( ds, CONTEXT_FUNC_MEMBER, old_id ) ;
|
|
|
1909 |
|
|
|
1910 |
/* Deal with type definitions */
|
|
|
1911 |
if ( ds & dspec_typedef ) {
|
|
|
1912 |
/* Can only apply typedef to declarations, not definitions */
|
|
|
1913 |
if ( !def ) {
|
|
|
1914 |
if ( ok ) {
|
|
|
1915 |
/* Recheck identifier name */
|
|
|
1916 |
err = check_id_name ( id, CONTEXT_MEMBER ) ;
|
|
|
1917 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
1918 |
}
|
|
|
1919 |
id = make_type_decl ( ns, ds, t, mem, id ) ;
|
|
|
1920 |
return ( id ) ;
|
|
|
1921 |
}
|
|
|
1922 |
report ( crt_loc, ERR_dcl_typedef_func () ) ;
|
|
|
1923 |
}
|
|
|
1924 |
|
|
|
1925 |
/* Check special functions */
|
|
|
1926 |
if ( allocator ) {
|
|
|
1927 |
/* Allocator functions are implicitly static */
|
|
|
1928 |
if ( st != dspec_static ) {
|
|
|
1929 |
st = dspec_static ;
|
|
|
1930 |
allocator |= 0x4 ;
|
|
|
1931 |
}
|
|
|
1932 |
} else if ( st == dspec_static ) {
|
|
|
1933 |
switch ( it ) {
|
|
|
1934 |
case hashid_constr_tag : {
|
|
|
1935 |
/* Constructors can't be static */
|
|
|
1936 |
report ( crt_loc, ERR_class_ctor_static () ) ;
|
|
|
1937 |
st = dspec_none ;
|
|
|
1938 |
break ;
|
|
|
1939 |
}
|
|
|
1940 |
case hashid_destr_tag : {
|
|
|
1941 |
/* Destructors can't be static */
|
|
|
1942 |
report ( crt_loc, ERR_class_dtor_static () ) ;
|
|
|
1943 |
st = dspec_none ;
|
|
|
1944 |
break ;
|
|
|
1945 |
}
|
|
|
1946 |
case hashid_op_tag : {
|
|
|
1947 |
/* Overloaded operators can't be static */
|
|
|
1948 |
report ( crt_loc, ERR_over_oper_static () ) ;
|
|
|
1949 |
st = dspec_none ;
|
|
|
1950 |
break ;
|
|
|
1951 |
}
|
|
|
1952 |
case hashid_conv_tag : {
|
|
|
1953 |
/* Conversion functions can't be static */
|
|
|
1954 |
report ( crt_loc, ERR_class_conv_fct_mem () ) ;
|
|
|
1955 |
st = dspec_none ;
|
|
|
1956 |
break ;
|
|
|
1957 |
}
|
|
|
1958 |
}
|
|
|
1959 |
}
|
|
|
1960 |
|
|
|
1961 |
/* Check on function specifiers */
|
|
|
1962 |
fn = check_func_spec ( ds, CONTEXT_FUNC_MEMBER ) ;
|
|
|
1963 |
vt = overrides_virtual ( ct, nm, t, &hide_id ) ;
|
|
|
1964 |
if ( !IS_NULL_list ( vt ) ) {
|
|
|
1965 |
/* Check for overriding of virtual functions */
|
|
|
1966 |
if ( !( fn & dspec_virtual ) ) {
|
|
|
1967 |
if ( !( ds & dspec_implicit ) ) {
|
|
|
1968 |
err = ERR_class_virtual_override ( nm ) ;
|
|
|
1969 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
1970 |
}
|
|
|
1971 |
fn |= dspec_virtual ;
|
|
|
1972 |
}
|
|
|
1973 |
} else if ( !IS_NULL_id ( hide_id ) ) {
|
|
|
1974 |
err = ERR_class_virtual_hide ( nm, hide_id ) ;
|
|
|
1975 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
1976 |
}
|
|
|
1977 |
if ( fn & dspec_virtual ) {
|
|
|
1978 |
if ( st == dspec_static ) {
|
|
|
1979 |
/* Static members can't be virtual */
|
|
|
1980 |
err = ERR_class_static_mfct_virt () ;
|
|
|
1981 |
if ( allocator & 0x4 ) {
|
|
|
1982 |
/* Allocator functions are implicitly static */
|
|
|
1983 |
err = concat_error ( ERR_class_free_static ( nm ), err ) ;
|
|
|
1984 |
}
|
|
|
1985 |
report ( crt_loc, err ) ;
|
|
|
1986 |
fn &= ~dspec_virtual ;
|
|
|
1987 |
} else if ( it == hashid_constr_tag ) {
|
|
|
1988 |
/* Constructors can't be virtual */
|
|
|
1989 |
report ( crt_loc, ERR_class_ctor_virtual () ) ;
|
|
|
1990 |
fn &= ~dspec_virtual ;
|
|
|
1991 |
} else {
|
|
|
1992 |
if ( ci & cinfo_union ) {
|
|
|
1993 |
/* Unions can't have virtual functions */
|
|
|
1994 |
report ( crt_loc, ERR_class_union_virtual ( ct ) ) ;
|
|
|
1995 |
fn &= ~dspec_virtual ;
|
|
|
1996 |
} else if ( ds & dspec_template ) {
|
|
|
1997 |
/* Can't have a virtual template function */
|
|
|
1998 |
report ( crt_loc, ERR_temp_mem_virtual () ) ;
|
|
|
1999 |
fn &= ~dspec_virtual ;
|
|
|
2000 |
} else {
|
|
|
2001 |
/* The current class is polymorphic */
|
|
|
2002 |
ci |= cinfo_polymorphic ;
|
|
|
2003 |
ci &= ~cinfo_empty ;
|
|
|
2004 |
}
|
|
|
2005 |
}
|
|
|
2006 |
}
|
|
|
2007 |
if ( fn & dspec_explicit ) {
|
|
|
2008 |
/* Only constructors can be explicit */
|
|
|
2009 |
if ( it == hashid_constr_tag ) {
|
|
|
2010 |
have_constr_expl = 1 ;
|
|
|
2011 |
} else {
|
|
|
2012 |
if ( it == hashid_conv_tag ) {
|
|
|
2013 |
report ( crt_loc, ERR_dcl_fct_spec_expl_conv () ) ;
|
|
|
2014 |
have_conv_expl = 1 ;
|
|
|
2015 |
} else {
|
|
|
2016 |
report ( crt_loc, ERR_dcl_fct_spec_expl_constr () ) ;
|
|
|
2017 |
fn &= ~dspec_explicit ;
|
|
|
2018 |
}
|
|
|
2019 |
}
|
|
|
2020 |
}
|
|
|
2021 |
if ( ds & dspec_template ) {
|
|
|
2022 |
/* Check for template function members */
|
|
|
2023 |
if ( it == hashid_destr_tag ) {
|
|
|
2024 |
report ( crt_loc, ERR_temp_mem_destr () ) ;
|
|
|
2025 |
}
|
|
|
2026 |
}
|
|
|
2027 |
|
|
|
2028 |
/* Record class properties */
|
|
|
2029 |
rs = ( ds & dspec_other ) ;
|
|
|
2030 |
if ( st == dspec_static ) {
|
|
|
2031 |
itag = id_stat_mem_func_tag ;
|
|
|
2032 |
ds = ( df | fn | rs | crt_access ) ;
|
|
|
2033 |
} else {
|
|
|
2034 |
itag = id_mem_func_tag ;
|
|
|
2035 |
ds = ( st | df | fn | rs | crt_access ) ;
|
|
|
2036 |
}
|
|
|
2037 |
if ( !( ds & dspec_implicit ) ) ci |= cinfo_function ;
|
|
|
2038 |
COPY_cinfo ( ctype_info ( ct ), ci ) ;
|
|
|
2039 |
|
|
|
2040 |
/* Create the function declaration */
|
|
|
2041 |
t = lvalue_type ( t ) ;
|
|
|
2042 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
2043 |
/* Check for redeclarations */
|
|
|
2044 |
IGNORE redecl_func ( ds, t, old_id, itag, &over_id, def ) ;
|
|
|
2045 |
}
|
|
|
2046 |
object_type ( t, itag ) ;
|
|
|
2047 |
ds = adjust_linkage ( ds, 1 ) ;
|
|
|
2048 |
if ( !really_in_function_defn ) ds |= dspec_extern ;
|
|
|
2049 |
MAKE_id_function_etc ( itag, nm, ds, ns, decl_loc, t, over_id, id ) ;
|
|
|
2050 |
if ( !IS_NULL_id ( over_id ) ) {
|
|
|
2051 |
id = hide_functions ( id, over_id, 1 ) ;
|
|
|
2052 |
}
|
|
|
2053 |
set_member ( mem, id ) ;
|
|
|
2054 |
decl_func_type ( id, t, def ) ;
|
|
|
2055 |
is_redeclared = 0 ;
|
|
|
2056 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
2057 |
|
|
|
2058 |
/* Maintain lists of functions */
|
|
|
2059 |
special_func_mem ( ct, id, it, old_id ) ;
|
|
|
2060 |
if ( def ) {
|
|
|
2061 |
LIST ( IDENTIFIER ) ft = DEREF_list ( ctype_nest ( ct ) ) ;
|
|
|
2062 |
CONS_id ( id, ft, ft ) ;
|
|
|
2063 |
COPY_list ( ctype_nest ( ct ), ft ) ;
|
|
|
2064 |
}
|
|
|
2065 |
if ( ds & dspec_virtual ) {
|
|
|
2066 |
add_virtual ( ct, id, vt ) ;
|
|
|
2067 |
}
|
|
|
2068 |
if ( allocator ) {
|
|
|
2069 |
allocator &= 0x3 ;
|
|
|
2070 |
recheck_allocator ( id, allocator ) ;
|
|
|
2071 |
}
|
|
|
2072 |
|
|
|
2073 |
/* Allow for discarded functions */
|
|
|
2074 |
if ( !( rs & dspec_ignore ) && option ( OPT_discard_func ) ) {
|
|
|
2075 |
ds &= ~dspec_ignore ;
|
|
|
2076 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
2077 |
}
|
|
|
2078 |
return ( id ) ;
|
|
|
2079 |
}
|
|
|
2080 |
|
|
|
2081 |
#endif
|
|
|
2082 |
|
|
|
2083 |
|
|
|
2084 |
/*
|
|
|
2085 |
DECLARE A FRIEND FUNCTION
|
|
|
2086 |
|
|
|
2087 |
This routine is used to handle the declaration of a friend function
|
|
|
2088 |
within a class. The parameters are identical to those in the previous
|
|
|
2089 |
routine.
|
|
|
2090 |
*/
|
|
|
2091 |
|
|
|
2092 |
#if LANGUAGE_CPP
|
|
|
2093 |
|
|
|
2094 |
IDENTIFIER make_friend_decl
|
|
|
2095 |
PROTO_N ( ( ds, t, id, def, chum ) )
|
|
|
2096 |
PROTO_T ( DECL_SPEC ds X TYPE t X IDENTIFIER id X int def X int chum )
|
|
|
2097 |
{
|
|
|
2098 |
ERROR err ;
|
|
|
2099 |
MEMBER mem ;
|
|
|
2100 |
int chk = 1 ;
|
|
|
2101 |
unsigned it ;
|
|
|
2102 |
int allocator = 0 ;
|
|
|
2103 |
int main_func = 0 ;
|
|
|
2104 |
IDENTIFIER old_id ;
|
|
|
2105 |
NAMESPACE ns, ens ;
|
|
|
2106 |
DECL_SPEC st, df, fn, rs ;
|
|
|
2107 |
IDENTIFIER over_id = NULL_id ;
|
|
|
2108 |
unsigned itag = id_function_tag ;
|
|
|
2109 |
QUALIFIER cq = crt_id_qualifier ;
|
|
|
2110 |
int td = crt_templ_qualifier ;
|
|
|
2111 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
2112 |
|
|
|
2113 |
/* Check for template specialisations */
|
|
|
2114 |
if ( in_template_decl && cq == qual_none && td == 0 && chum ) {
|
|
|
2115 |
TYPE s = injected_type ( t, 1 ) ;
|
|
|
2116 |
if ( !EQ_type ( s, t ) ) {
|
|
|
2117 |
/* Friend declaration is implicitly a template */
|
|
|
2118 |
int eq = 0 ;
|
|
|
2119 |
IDENTIFIER tid = make_friend_decl ( ds, s, id, 0, 0 ) ;
|
|
|
2120 |
if ( do_dump ) dump_declare ( tid, &decl_loc, 0 ) ;
|
|
|
2121 |
id = deduce_func ( tid, t, &eq ) ;
|
|
|
2122 |
if ( IS_NULL_id ( id ) ) return ( tid ) ;
|
|
|
2123 |
crt_templ_qualifier = 1 ;
|
|
|
2124 |
}
|
|
|
2125 |
}
|
|
|
2126 |
if ( is_templ_decl ( id, t ) || is_templ_spec ( t ) ) {
|
|
|
2127 |
t = bind_specialise ( &id, t, ds, 0, 1, def ) ;
|
|
|
2128 |
if ( IS_NULL_id ( id ) ) {
|
|
|
2129 |
/* Invalid specialisation */
|
|
|
2130 |
crt_id_qualifier = qual_none ;
|
|
|
2131 |
crt_templ_qualifier = 0 ;
|
|
|
2132 |
id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
2133 |
while ( IS_type_templ ( t ) ) {
|
|
|
2134 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
2135 |
}
|
|
|
2136 |
id = make_friend_decl ( ds, t, id, def, chum ) ;
|
|
|
2137 |
return ( id ) ;
|
|
|
2138 |
}
|
|
|
2139 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
2140 |
ens = ns ;
|
|
|
2141 |
mem = NULL_member ;
|
|
|
2142 |
old_id = id ;
|
|
|
2143 |
if ( def ) {
|
|
|
2144 |
/* Check enclosing namespace scope */
|
|
|
2145 |
check_decl_nspace ( id, ns, def, nonclass_namespace ) ;
|
|
|
2146 |
}
|
|
|
2147 |
|
|
|
2148 |
} else {
|
|
|
2149 |
/* Deal with typedef immediately */
|
|
|
2150 |
if ( ( ds & dspec_typedef ) && !def ) {
|
|
|
2151 |
id = make_func_mem_decl ( ds, t, id, def ) ;
|
|
|
2152 |
return ( id ) ;
|
|
|
2153 |
}
|
|
|
2154 |
|
|
|
2155 |
/* Check on identifier name */
|
|
|
2156 |
err = check_id_name ( id, CONTEXT_FUNCTION ) ;
|
|
|
2157 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
2158 |
|
|
|
2159 |
/* Check on member qualification */
|
|
|
2160 |
if ( cq == qual_none ) {
|
|
|
2161 |
/* Declaration of simple identifier */
|
|
|
2162 |
ns = nonclass_namespace ;
|
|
|
2163 |
ens = nonblock_namespace ;
|
|
|
2164 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
2165 |
old_id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
2166 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
2167 |
old_id = redecl_inherit ( old_id, cq, 0, 1 ) ;
|
|
|
2168 |
}
|
|
|
2169 |
if ( in_template_decl && is_templ_nspace ( crt_namespace ) ) {
|
|
|
2170 |
/* Friend of template class */
|
|
|
2171 |
NAMESPACE tns = templ_namespace ;
|
|
|
2172 |
mem = search_member ( tns, nm, 1 ) ;
|
|
|
2173 |
}
|
|
|
2174 |
} else {
|
|
|
2175 |
/* Redeclaration of class or namespace member */
|
|
|
2176 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
2177 |
ens = ns ;
|
|
|
2178 |
/* QUERY: Any other restrictions? */
|
|
|
2179 |
if ( IS_id_undef ( id ) ) {
|
|
|
2180 |
report ( crt_loc, ERR_lookup_qual_undef ( nm, ns ) ) ;
|
|
|
2181 |
if ( IS_nspace_ctype ( ns ) ) itag = id_mem_func_tag ;
|
|
|
2182 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
2183 |
old_id = NULL_id ;
|
|
|
2184 |
} else {
|
|
|
2185 |
mem = NULL_member ;
|
|
|
2186 |
old_id = redecl_inherit ( id, cq, 0, 1 ) ;
|
|
|
2187 |
t = bind_specialise ( &old_id, t, ds, 0, 0, def ) ;
|
|
|
2188 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
2189 |
id = old_id ;
|
|
|
2190 |
itag = TAG_id ( id ) ;
|
|
|
2191 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
2192 |
ens = ns ;
|
|
|
2193 |
if ( def ) {
|
|
|
2194 |
/* Check enclosing namespace scope */
|
|
|
2195 |
check_decl_nspace ( id, ns, def, nonclass_namespace ) ;
|
|
|
2196 |
}
|
|
|
2197 |
}
|
|
|
2198 |
}
|
|
|
2199 |
}
|
|
|
2200 |
}
|
|
|
2201 |
|
|
|
2202 |
/* Can't define function in local class */
|
|
|
2203 |
if ( def && really_in_function_defn ) {
|
|
|
2204 |
report ( crt_loc, ERR_class_friend_local () ) ;
|
|
|
2205 |
}
|
|
|
2206 |
|
|
|
2207 |
/* Allow for special functions */
|
|
|
2208 |
if ( EQ_KEYWORD ( nm, lex_main ) && IS_nspace_global ( ens ) ) {
|
|
|
2209 |
/* Declare main as a friend - it could happen */
|
|
|
2210 |
t = check_main ( t, nm ) ;
|
|
|
2211 |
main_func = 1 ;
|
|
|
2212 |
}
|
|
|
2213 |
it = TAG_hashid ( nm ) ;
|
|
|
2214 |
switch ( it ) {
|
|
|
2215 |
case hashid_constr_tag : {
|
|
|
2216 |
t = check_constr ( t, id, ns ) ;
|
|
|
2217 |
ds |= dspec_main ;
|
|
|
2218 |
break ;
|
|
|
2219 |
}
|
|
|
2220 |
case hashid_destr_tag : {
|
|
|
2221 |
t = check_destr ( t, id, ns ) ;
|
|
|
2222 |
ds |= dspec_main ;
|
|
|
2223 |
break ;
|
|
|
2224 |
}
|
|
|
2225 |
case hashid_op_tag : {
|
|
|
2226 |
int cl = IS_nspace_ctype ( ns ) ;
|
|
|
2227 |
t = check_operator ( t, id, cl, &allocator ) ;
|
|
|
2228 |
if ( !allocator ) ds |= dspec_ignore ;
|
|
|
2229 |
break ;
|
|
|
2230 |
}
|
|
|
2231 |
case hashid_conv_tag : {
|
|
|
2232 |
t = check_conv ( t, id ) ;
|
|
|
2233 |
chk = 0 ;
|
|
|
2234 |
break ;
|
|
|
2235 |
}
|
|
|
2236 |
}
|
|
|
2237 |
|
|
|
2238 |
/* Deal with inferred types */
|
|
|
2239 |
ds = check_func_type ( ds, t, def, chk, 1 ) ;
|
|
|
2240 |
if ( main_func ) ds |= dspec_main ;
|
|
|
2241 |
|
|
|
2242 |
/* Check on storage class specifiers */
|
|
|
2243 |
st = check_storage ( ds, CONTEXT_FUNCTION, old_id ) ;
|
|
|
2244 |
if ( st != dspec_none ) {
|
|
|
2245 |
/* Can't have storage class with friend */
|
|
|
2246 |
report ( crt_loc, ERR_class_friend_storage ( st ) ) ;
|
|
|
2247 |
}
|
|
|
2248 |
if ( def ) {
|
|
|
2249 |
/* Functions defined in a class are inline */
|
|
|
2250 |
df = dspec_defn ;
|
|
|
2251 |
ds |= dspec_inline ;
|
|
|
2252 |
st = find_storage ( old_id, inline_linkage, t ) ;
|
|
|
2253 |
} else if ( ds & dspec_inline ) {
|
|
|
2254 |
df = dspec_none ;
|
|
|
2255 |
st = find_storage ( old_id, inline_linkage, t ) ;
|
|
|
2256 |
} else {
|
|
|
2257 |
df = dspec_none ;
|
|
|
2258 |
st = find_storage ( old_id, dspec_extern, t ) ;
|
|
|
2259 |
}
|
|
|
2260 |
if ( ( ds & dspec_inline ) && main_func ) {
|
|
|
2261 |
report ( crt_loc, ERR_basic_start_main_link ( nm, dspec_inline ) ) ;
|
|
|
2262 |
ds &= ~dspec_inline ;
|
|
|
2263 |
st = dspec_extern ;
|
|
|
2264 |
}
|
|
|
2265 |
|
|
|
2266 |
/* Check on function specifiers */
|
|
|
2267 |
fn = check_func_spec ( ds, CONTEXT_FUNCTION ) ;
|
|
|
2268 |
|
|
|
2269 |
/* Create the declaration */
|
|
|
2270 |
t = lvalue_type ( t ) ;
|
|
|
2271 |
rs = ( ds & dspec_other ) ;
|
|
|
2272 |
ds = ( st | df | fn | rs ) ;
|
|
|
2273 |
if ( !IS_NULL_id ( old_id ) ) {
|
|
|
2274 |
/* Check redeclarations */
|
|
|
2275 |
old_id = redecl_func ( ds, t, old_id, itag, &over_id, def ) ;
|
|
|
2276 |
if ( IS_NULL_id ( old_id ) && IS_NULL_member ( mem ) ) {
|
|
|
2277 |
/* Bad redeclaration of class or namespace member */
|
|
|
2278 |
nm = lookup_anon () ;
|
|
|
2279 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
2280 |
if ( IS_nspace_ctype ( ns ) ) itag = id_mem_func_tag ;
|
|
|
2281 |
over_id = NULL_id ;
|
|
|
2282 |
}
|
|
|
2283 |
}
|
|
|
2284 |
object_type ( t, itag ) ;
|
|
|
2285 |
if ( IS_NULL_id ( old_id ) ) {
|
|
|
2286 |
/* Declare the function */
|
|
|
2287 |
ds = adjust_linkage ( ds, 0 ) ;
|
|
|
2288 |
MAKE_id_function_etc ( itag, nm, ds, ns, decl_loc, t, over_id, id ) ;
|
|
|
2289 |
id = unify_subsequent ( id, t, def ) ;
|
|
|
2290 |
set_member ( mem, id ) ;
|
|
|
2291 |
decl_func_type ( id, t, def ) ;
|
|
|
2292 |
report ( decl_loc, ERR_class_friend_pre ( id ) ) ;
|
|
|
2293 |
|
|
|
2294 |
/* Check for conversion functions */
|
|
|
2295 |
if ( it == hashid_conv_tag && itag != id_mem_func_tag ) {
|
|
|
2296 |
report ( crt_loc, ERR_class_conv_fct_mem () ) ;
|
|
|
2297 |
}
|
|
|
2298 |
if ( itag == id_function_tag && option ( OPT_decl_hide ) ) {
|
|
|
2299 |
check_hiding ( id ) ;
|
|
|
2300 |
}
|
|
|
2301 |
is_redeclared = 0 ;
|
|
|
2302 |
} else {
|
|
|
2303 |
/* Redeclare the function */
|
|
|
2304 |
id = old_id ;
|
|
|
2305 |
is_redeclared = 1 ;
|
|
|
2306 |
}
|
|
|
2307 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
2308 |
#if LANGUAGE_CPP
|
|
|
2309 |
if ( ds & dspec_c ) c_linkage ( id, def ) ;
|
|
|
2310 |
#endif
|
|
|
2311 |
|
|
|
2312 |
/* Maintain list of inline functions */
|
|
|
2313 |
if ( def ) {
|
|
|
2314 |
CLASS_TYPE ct = crt_class ;
|
|
|
2315 |
LIST ( IDENTIFIER ) ft = DEREF_list ( ctype_nest ( ct ) ) ;
|
|
|
2316 |
CONS_id ( id, ft, ft ) ;
|
|
|
2317 |
COPY_list ( ctype_nest ( ct ), ft ) ;
|
|
|
2318 |
}
|
|
|
2319 |
|
|
|
2320 |
/* Allow for discarded functions */
|
|
|
2321 |
if ( !( rs & dspec_ignore ) && option ( OPT_discard_func ) ) {
|
|
|
2322 |
ds &= ~dspec_ignore ;
|
|
|
2323 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
2324 |
}
|
|
|
2325 |
|
|
|
2326 |
/* Make the function a friend */
|
|
|
2327 |
if ( chum ) friend_function ( crt_class, id, 1 ) ;
|
|
|
2328 |
if ( main_func ) recheck_main ( id ) ;
|
|
|
2329 |
if ( allocator ) recheck_allocator ( id, allocator ) ;
|
|
|
2330 |
return ( id ) ;
|
|
|
2331 |
}
|
|
|
2332 |
|
|
|
2333 |
#endif
|
|
|
2334 |
|
|
|
2335 |
|
|
|
2336 |
/*
|
|
|
2337 |
CHECK ON AN ANONYMOUS UNION
|
|
|
2338 |
|
|
|
2339 |
An anonymous union cannot have private or protected members or member
|
|
|
2340 |
functions (in addition, no union can have static data members). This
|
|
|
2341 |
information is readily accessible from the class information field.
|
|
|
2342 |
The routine class_info is not used in this case because it includes
|
|
|
2343 |
the name of ct in its errors, which is not particularly useful when
|
|
|
2344 |
ct is anonymous.
|
|
|
2345 |
*/
|
|
|
2346 |
|
|
|
2347 |
#if LANGUAGE_CPP
|
|
|
2348 |
|
|
|
2349 |
static void check_anon_union
|
|
|
2350 |
PROTO_N ( ( ct ) )
|
|
|
2351 |
PROTO_T ( CLASS_TYPE ct )
|
|
|
2352 |
{
|
|
|
2353 |
CLASS_INFO ci = DEREF_cinfo ( ctype_info ( ct ) ) ;
|
|
|
2354 |
if ( ci & cinfo_private ) {
|
|
|
2355 |
report ( crt_loc, ERR_class_union_anon_private () ) ;
|
|
|
2356 |
}
|
|
|
2357 |
if ( ci & cinfo_function ) {
|
|
|
2358 |
report ( crt_loc, ERR_class_union_anon_func () ) ;
|
|
|
2359 |
}
|
|
|
2360 |
return ;
|
|
|
2361 |
}
|
|
|
2362 |
|
|
|
2363 |
#endif
|
|
|
2364 |
|
|
|
2365 |
|
|
|
2366 |
/*
|
|
|
2367 |
CHECK AN EMPTY OBJECT DECLARATION
|
|
|
2368 |
|
|
|
2369 |
This routine handles a declaration with no declarators, comprising the
|
|
|
2370 |
declaration specifiers ds, the template type qualifiers q and the type
|
|
|
2371 |
specifiers t (which may be an elaborate pre-type). Whether this is
|
|
|
2372 |
legal depends on the value of the flag have_type_specifier described
|
|
|
2373 |
in predict.c, which indicates whether t contained a type declaration
|
|
|
2374 |
or definition. Note that anonymous unions come under this heading
|
|
|
2375 |
(I hate anonymous unions).
|
|
|
2376 |
*/
|
|
|
2377 |
|
|
|
2378 |
static IDENTIFIER empty_object_decl
|
|
|
2379 |
PROTO_N ( ( ds, q, t ) )
|
|
|
2380 |
PROTO_T ( DECL_SPEC ds X TYPE q X TYPE t )
|
|
|
2381 |
{
|
|
|
2382 |
CV_SPEC qual ;
|
|
|
2383 |
DECL_SPEC st ;
|
|
|
2384 |
IDENTIFIER tid ;
|
|
|
2385 |
BASE_TYPE key = btype_class ;
|
|
|
2386 |
int td = have_type_declaration ;
|
|
|
2387 |
|
|
|
2388 |
/* Check for type declarations */
|
|
|
2389 |
if ( IS_type_pre ( t ) ) {
|
|
|
2390 |
QUALIFIER it ;
|
|
|
2391 |
DESTROY_type_pre ( destroy, qual, tid, key, it, t ) ;
|
|
|
2392 |
if ( it == qual_none ) {
|
|
|
2393 |
/* Unqualified identifier */
|
|
|
2394 |
DECL_SPEC mode = ( dspec_defn | dspec_auto ) ;
|
|
|
2395 |
td = TYPE_DECL_ELABORATE ;
|
|
|
2396 |
tid = find_elaborate_type ( tid, key, q, mode ) ;
|
|
|
2397 |
} else {
|
|
|
2398 |
/* Qualified identifier */
|
|
|
2399 |
DECL_SPEC mode = ( dspec_defn | dspec_alias ) ;
|
|
|
2400 |
td = TYPE_DECL_OVER_ELAB ;
|
|
|
2401 |
if ( !IS_NULL_type ( q ) ) td = TYPE_DECL_ELABORATE ;
|
|
|
2402 |
tid = find_elaborate_type ( tid, key, q, mode ) ;
|
|
|
2403 |
}
|
|
|
2404 |
#if LANGUAGE_CPP
|
|
|
2405 |
t = DEREF_type ( id_class_name_etc_defn ( tid ) ) ;
|
|
|
2406 |
t = qualify_type ( t, qual, 0 ) ;
|
|
|
2407 |
#endif
|
|
|
2408 |
} else {
|
|
|
2409 |
tid = DEREF_id ( type_name ( t ) ) ;
|
|
|
2410 |
qual = DEREF_cv ( type_qual ( t ) ) ;
|
|
|
2411 |
}
|
|
|
2412 |
qual &= cv_qual ;
|
|
|
2413 |
|
|
|
2414 |
#if LANGUAGE_CPP
|
|
|
2415 |
/* Check for anonymous unions */
|
|
|
2416 |
if ( td == TYPE_DECL_ANON && !( ds & dspec_typedef ) ) {
|
|
|
2417 |
TYPE s = t ;
|
|
|
2418 |
while ( IS_type_templ ( s ) ) {
|
|
|
2419 |
s = DEREF_type ( type_templ_defn ( s ) ) ;
|
|
|
2420 |
}
|
|
|
2421 |
if ( IS_type_compound ( s ) ) {
|
|
|
2422 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( s ) ) ;
|
|
|
2423 |
CLASS_INFO ci = DEREF_cinfo ( ctype_info ( ct ) ) ;
|
|
|
2424 |
if ( ci & cinfo_union ) {
|
|
|
2425 |
/* Anonymous union found */
|
|
|
2426 |
int def ;
|
|
|
2427 |
HASHID nm ;
|
|
|
2428 |
IDENTIFIER id ;
|
|
|
2429 |
check_anon_union ( ct ) ;
|
|
|
2430 |
|
|
|
2431 |
/* Create the union object */
|
|
|
2432 |
nm = lookup_anon () ;
|
|
|
2433 |
id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
2434 |
crt_id_qualifier = qual_none ;
|
|
|
2435 |
crt_templ_qualifier = 0 ;
|
|
|
2436 |
id = make_object_decl ( ds, t, id, 0 ) ;
|
|
|
2437 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
2438 |
if ( ds & dspec_extern ) {
|
|
|
2439 |
/* Anonymous unions can't have external linkage */
|
|
|
2440 |
report ( crt_loc, ERR_class_union_anon_static () ) ;
|
|
|
2441 |
}
|
|
|
2442 |
def = init_object ( id, NULL_exp ) ;
|
|
|
2443 |
if ( do_dump ) dump_declare ( id, &crt_loc, def ) ;
|
|
|
2444 |
if ( output_diag && !in_function_defn ) {
|
|
|
2445 |
compile_variable ( id, 1 ) ;
|
|
|
2446 |
}
|
|
|
2447 |
|
|
|
2448 |
/* Bring fields into scope */
|
|
|
2449 |
if ( !redecl_anon_union ( ct, ds, id ) ) {
|
|
|
2450 |
report ( crt_loc, ERR_dcl_dcl_empty () ) ;
|
|
|
2451 |
}
|
|
|
2452 |
return ( id ) ;
|
|
|
2453 |
}
|
|
|
2454 |
}
|
|
|
2455 |
}
|
|
|
2456 |
#endif
|
|
|
2457 |
|
|
|
2458 |
/* Check declaration specifiers */
|
|
|
2459 |
if ( ds != dspec_none ) {
|
|
|
2460 |
st = check_storage ( ds, CONTEXT_OBJECT, NULL_id ) ;
|
|
|
2461 |
if ( st != dspec_none ) {
|
|
|
2462 |
/* Can't have a storage class specifier */
|
|
|
2463 |
report ( crt_loc, ERR_dcl_stc_bad ( st ) ) ;
|
|
|
2464 |
}
|
|
|
2465 |
if ( ds & dspec_typedef ) {
|
|
|
2466 |
report ( crt_loc, ERR_dcl_typedef_dcl () ) ;
|
|
|
2467 |
}
|
|
|
2468 |
IGNORE check_func_spec ( ds, CONTEXT_OBJECT ) ;
|
|
|
2469 |
}
|
|
|
2470 |
|
|
|
2471 |
/* Check type qualifiers */
|
|
|
2472 |
if ( qual != cv_none && td != TYPE_DECL_NONE ) {
|
|
|
2473 |
report ( crt_loc, ERR_dcl_type_cv_unused ( qual ) ) ;
|
|
|
2474 |
}
|
|
|
2475 |
|
|
|
2476 |
/* Check for type definitions */
|
|
|
2477 |
switch ( td ) {
|
|
|
2478 |
case TYPE_DECL_NONE : {
|
|
|
2479 |
report ( crt_loc, ERR_dcl_dcl_empty () ) ;
|
|
|
2480 |
tid = NULL_id ;
|
|
|
2481 |
break ;
|
|
|
2482 |
}
|
|
|
2483 |
case TYPE_DECL_ANON : {
|
|
|
2484 |
report ( crt_loc, ERR_dcl_dcl_anon () ) ;
|
|
|
2485 |
break ;
|
|
|
2486 |
}
|
|
|
2487 |
case TYPE_DECL_OVER_ELAB : {
|
|
|
2488 |
report ( crt_loc, ERR_dcl_type_elab_qual ( key ) ) ;
|
|
|
2489 |
break ;
|
|
|
2490 |
}
|
|
|
2491 |
}
|
|
|
2492 |
return ( tid ) ;
|
|
|
2493 |
}
|
|
|
2494 |
|
|
|
2495 |
|
|
|
2496 |
/*
|
|
|
2497 |
CHECK AN EMPTY MEMBER DECLARATION
|
|
|
2498 |
|
|
|
2499 |
This routine handles a class member declaration with no declarators,
|
|
|
2500 |
comprising the declaration specifiers ds, the template type qualifiers
|
|
|
2501 |
q and the type specifiers t. This is similar to empty_object_decl,
|
|
|
2502 |
except that provision needs to be made for friend declarations of the
|
|
|
2503 |
form 'friend class C'.
|
|
|
2504 |
*/
|
|
|
2505 |
|
|
|
2506 |
static IDENTIFIER empty_member_decl
|
|
|
2507 |
PROTO_N ( ( ds, q, t ) )
|
|
|
2508 |
PROTO_T ( DECL_SPEC ds X TYPE q X TYPE t )
|
|
|
2509 |
{
|
|
|
2510 |
CV_SPEC qual ;
|
|
|
2511 |
IDENTIFIER tid ;
|
|
|
2512 |
BASE_TYPE key = btype_class ;
|
|
|
2513 |
int td = have_type_declaration ;
|
|
|
2514 |
|
|
|
2515 |
/* Check for type declarations */
|
|
|
2516 |
if ( IS_type_pre ( t ) ) {
|
|
|
2517 |
QUALIFIER it ;
|
|
|
2518 |
DESTROY_type_pre ( destroy, qual, tid, key, it, t ) ;
|
|
|
2519 |
if ( it == qual_none ) {
|
|
|
2520 |
/* Unqualified identifier */
|
|
|
2521 |
DECL_SPEC mode = dspec_defn ;
|
|
|
2522 |
if ( option ( OPT_class_scope ) ) mode |= dspec_auto ;
|
|
|
2523 |
if ( ds & dspec_friend ) {
|
|
|
2524 |
mode = ( dspec_defn | dspec_used | dspec_friend ) ;
|
|
|
2525 |
if ( in_template_decl && is_templ_nspace ( crt_namespace ) ) {
|
|
|
2526 |
/* Friend of template class */
|
|
|
2527 |
mode |= dspec_template ;
|
|
|
2528 |
}
|
|
|
2529 |
mode |= dspec_register ;
|
|
|
2530 |
}
|
|
|
2531 |
tid = find_elaborate_type ( tid, key, q, mode ) ;
|
|
|
2532 |
if ( mode & dspec_template ) {
|
|
|
2533 |
NAMESPACE ns = DEREF_nspace ( id_parent ( tid ) ) ;
|
|
|
2534 |
if ( EQ_nspace ( ns, templ_namespace ) ) {
|
|
|
2535 |
ns = nonclass_namespace ;
|
|
|
2536 |
COPY_nspace ( id_parent ( tid ), ns ) ;
|
|
|
2537 |
}
|
|
|
2538 |
}
|
|
|
2539 |
td = TYPE_DECL_ELABORATE ;
|
|
|
2540 |
} else {
|
|
|
2541 |
/* Qualified identifier */
|
|
|
2542 |
DECL_SPEC mode = ( dspec_defn | dspec_alias ) ;
|
|
|
2543 |
if ( ds & dspec_friend ) mode |= dspec_friend ;
|
|
|
2544 |
tid = find_elaborate_type ( tid, key, q, mode ) ;
|
|
|
2545 |
td = TYPE_DECL_OVER_ELAB ;
|
|
|
2546 |
}
|
|
|
2547 |
t = DEREF_type ( id_class_name_etc_defn ( tid ) ) ;
|
|
|
2548 |
t = qualify_type ( t, qual, 0 ) ;
|
|
|
2549 |
} else {
|
|
|
2550 |
tid = DEREF_id ( type_name ( t ) ) ;
|
|
|
2551 |
qual = DEREF_cv ( type_qual ( t ) ) ;
|
|
|
2552 |
}
|
|
|
2553 |
qual &= cv_qual ;
|
|
|
2554 |
|
|
|
2555 |
#if LANGUAGE_CPP
|
|
|
2556 |
/* Check for anonymous unions */
|
|
|
2557 |
if ( td == TYPE_DECL_ANON && !( ds & dspec_typedef ) ) {
|
|
|
2558 |
TYPE s = t ;
|
|
|
2559 |
while ( IS_type_templ ( s ) ) {
|
|
|
2560 |
s = DEREF_type ( type_templ_defn ( s ) ) ;
|
|
|
2561 |
}
|
|
|
2562 |
if ( IS_type_compound ( s ) ) {
|
|
|
2563 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( s ) ) ;
|
|
|
2564 |
CLASS_INFO ci = DEREF_cinfo ( ctype_info ( ct ) ) ;
|
|
|
2565 |
if ( ci & cinfo_union ) {
|
|
|
2566 |
/* Anonymous union found */
|
|
|
2567 |
int def ;
|
|
|
2568 |
HASHID nm ;
|
|
|
2569 |
IDENTIFIER id ;
|
|
|
2570 |
check_anon_union ( ct ) ;
|
|
|
2571 |
|
|
|
2572 |
/* Create union member */
|
|
|
2573 |
nm = lookup_anon () ;
|
|
|
2574 |
id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
2575 |
crt_id_qualifier = qual_none ;
|
|
|
2576 |
crt_templ_qualifier = 0 ;
|
|
|
2577 |
if ( ds & dspec_static ) {
|
|
|
2578 |
/* Can't be a static data member */
|
|
|
2579 |
report ( crt_loc, ERR_class_union_anon_mem () ) ;
|
|
|
2580 |
ds &= ~dspec_static ;
|
|
|
2581 |
}
|
|
|
2582 |
id = make_member_decl ( ds, t, id, 0 ) ;
|
|
|
2583 |
def = init_member ( id, NULL_exp ) ;
|
|
|
2584 |
if ( do_dump ) dump_declare ( id, &crt_loc, def ) ;
|
|
|
2585 |
|
|
|
2586 |
/* Bring fields into scope */
|
|
|
2587 |
if ( !redecl_anon_union ( ct, dspec_none, id ) ) {
|
|
|
2588 |
report ( crt_loc, ERR_class_mem_empty () ) ;
|
|
|
2589 |
}
|
|
|
2590 |
return ( id ) ;
|
|
|
2591 |
}
|
|
|
2592 |
}
|
|
|
2593 |
}
|
|
|
2594 |
#endif
|
|
|
2595 |
|
|
|
2596 |
/* Check declaration specifiers */
|
|
|
2597 |
if ( ds != dspec_none ) {
|
|
|
2598 |
CLASS_TYPE cs = crt_class ;
|
|
|
2599 |
CLASS_TYPE ct = NULL_ctype ;
|
|
|
2600 |
DECL_SPEC st = check_storage ( ds, CONTEXT_MEMBER, NULL_id ) ;
|
|
|
2601 |
if ( st != dspec_none ) {
|
|
|
2602 |
/* Can't have a storage class specifier */
|
|
|
2603 |
report ( crt_loc, ERR_dcl_stc_bad ( st ) ) ;
|
|
|
2604 |
}
|
|
|
2605 |
if ( ds & dspec_typedef ) {
|
|
|
2606 |
report ( crt_loc, ERR_dcl_typedef_dcl () ) ;
|
|
|
2607 |
}
|
|
|
2608 |
if ( ds & dspec_friend ) {
|
|
|
2609 |
/* Allow for friend declarations */
|
|
|
2610 |
while ( IS_type_templ ( t ) ) {
|
|
|
2611 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
2612 |
}
|
|
|
2613 |
if ( IS_type_compound ( t ) ) {
|
|
|
2614 |
ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
2615 |
} else if ( is_templ_type ( t ) ) {
|
|
|
2616 |
IDENTIFIER cid = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
2617 |
ct = find_class ( cid ) ;
|
|
|
2618 |
}
|
|
|
2619 |
if ( !IS_NULL_ctype ( ct ) ) {
|
|
|
2620 |
switch ( td ) {
|
|
|
2621 |
case TYPE_DECL_ELABORATE :
|
|
|
2622 |
case TYPE_DECL_OVER_ELAB : {
|
|
|
2623 |
/* Have 'friend class A ;' */
|
|
|
2624 |
break ;
|
|
|
2625 |
}
|
|
|
2626 |
case TYPE_DECL_NORMAL : {
|
|
|
2627 |
/* Have 'friend class A { ... } ;' */
|
|
|
2628 |
report ( crt_loc, ERR_class_friend_def () ) ;
|
|
|
2629 |
break ;
|
|
|
2630 |
}
|
|
|
2631 |
case TYPE_DECL_ANON : {
|
|
|
2632 |
/* Have 'friend class { ... } ;' */
|
|
|
2633 |
report ( crt_loc, ERR_class_mem_anon () ) ;
|
|
|
2634 |
report ( crt_loc, ERR_class_friend_def () ) ;
|
|
|
2635 |
break ;
|
|
|
2636 |
}
|
|
|
2637 |
default : {
|
|
|
2638 |
/* Have 'friend A ;' */
|
|
|
2639 |
report ( crt_loc, ERR_class_friend_elab () ) ;
|
|
|
2640 |
break ;
|
|
|
2641 |
}
|
|
|
2642 |
}
|
|
|
2643 |
ds &= ~dspec_friend ;
|
|
|
2644 |
}
|
|
|
2645 |
}
|
|
|
2646 |
IGNORE check_func_spec ( ds, CONTEXT_MEMBER ) ;
|
|
|
2647 |
if ( !IS_NULL_ctype ( ct ) ) {
|
|
|
2648 |
/* Declare a class as a friend */
|
|
|
2649 |
tid = DEREF_id ( ctype_name ( ct ) ) ;
|
|
|
2650 |
if ( qual != cv_none ) {
|
|
|
2651 |
report ( crt_loc, ERR_dcl_type_cv_unused ( qual ) ) ;
|
|
|
2652 |
}
|
|
|
2653 |
friend_class ( cs, tid, 1 ) ;
|
|
|
2654 |
return ( tid ) ;
|
|
|
2655 |
}
|
|
|
2656 |
}
|
|
|
2657 |
|
|
|
2658 |
/* Check type qualifiers */
|
|
|
2659 |
if ( qual != cv_none && td != TYPE_DECL_NONE ) {
|
|
|
2660 |
report ( crt_loc, ERR_dcl_type_cv_unused ( qual ) ) ;
|
|
|
2661 |
}
|
|
|
2662 |
|
|
|
2663 |
/* Check for type definitions */
|
|
|
2664 |
switch ( td ) {
|
|
|
2665 |
case TYPE_DECL_NONE : {
|
|
|
2666 |
report ( crt_loc, ERR_class_mem_empty () ) ;
|
|
|
2667 |
tid = NULL_id ;
|
|
|
2668 |
break ;
|
|
|
2669 |
}
|
|
|
2670 |
case TYPE_DECL_ANON : {
|
|
|
2671 |
report ( crt_loc, ERR_class_mem_anon () ) ;
|
|
|
2672 |
break ;
|
|
|
2673 |
}
|
|
|
2674 |
case TYPE_DECL_OVER_ELAB : {
|
|
|
2675 |
report ( crt_loc, ERR_dcl_type_elab_qual ( key ) ) ;
|
|
|
2676 |
break ;
|
|
|
2677 |
}
|
|
|
2678 |
}
|
|
|
2679 |
return ( tid ) ;
|
|
|
2680 |
}
|
|
|
2681 |
|
|
|
2682 |
|
|
|
2683 |
/*
|
|
|
2684 |
CHECK AN EMPTY DECLARATION
|
|
|
2685 |
|
|
|
2686 |
This routine checks the empty declaration declared with the declaration
|
|
|
2687 |
specifiers ds, the template type qualifiers q, the pre-type bt and t
|
|
|
2688 |
and the cv-qualifiers cv (not all of which will be empty). The tok
|
|
|
2689 |
parameter is used to pass in the number of the last lexical token read,
|
|
|
2690 |
this is used for a backwards compatibility hack involving types such
|
|
|
2691 |
as wchar_t which used to be defined by typedefs, but are now keywords.
|
|
|
2692 |
mem is true for member declarations.
|
|
|
2693 |
*/
|
|
|
2694 |
|
|
|
2695 |
IDENTIFIER empty_decl
|
|
|
2696 |
PROTO_N ( ( ds, q, bt, t, cv, tok, mem ) )
|
|
|
2697 |
PROTO_T ( DECL_SPEC ds X TYPE q X BASE_TYPE bt X TYPE t X
|
|
|
2698 |
CV_SPEC cv X int tok X int mem )
|
|
|
2699 |
{
|
|
|
2700 |
/* Check for empty declarations */
|
|
|
2701 |
IDENTIFIER id ;
|
|
|
2702 |
int have_specifier = 1 ;
|
|
|
2703 |
decl_loc = crt_loc ;
|
|
|
2704 |
if ( ds == dspec_none && bt == btype_none && cv == cv_none ) {
|
|
|
2705 |
if ( IS_NULL_type ( q ) ) {
|
|
|
2706 |
if ( IS_NULL_type ( t ) ) {
|
|
|
2707 |
/* Only semicolon in declaration */
|
|
|
2708 |
if ( mem ) {
|
|
|
2709 |
if ( tok != lex_func_Hop ) {
|
|
|
2710 |
/* Allowed after function definition */
|
|
|
2711 |
report ( crt_loc, ERR_class_mem_semicolon () ) ;
|
|
|
2712 |
}
|
|
|
2713 |
} else {
|
|
|
2714 |
report ( crt_loc, ERR_dcl_dcl_semicolon () ) ;
|
|
|
2715 |
}
|
|
|
2716 |
return ( NULL_id ) ;
|
|
|
2717 |
}
|
|
|
2718 |
if ( have_type_declaration == TYPE_DECL_NONE ) {
|
|
|
2719 |
/* No type specifier in declaration */
|
|
|
2720 |
have_specifier = 0 ;
|
|
|
2721 |
}
|
|
|
2722 |
}
|
|
|
2723 |
}
|
|
|
2724 |
|
|
|
2725 |
/* Check for definitions of built-in types */
|
|
|
2726 |
if ( ( ds & dspec_typedef ) && !mem ) {
|
|
|
2727 |
BASE_TYPE bs = key_type ( tok ) ;
|
|
|
2728 |
if ( bs ) {
|
|
|
2729 |
/* Type is now a keyword */
|
|
|
2730 |
HASHID nm = KEYWORD ( tok ) ;
|
|
|
2731 |
id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
2732 |
bt &= ~bs ;
|
|
|
2733 |
t = complete_pre_type ( bt, t, cv, 0 ) ;
|
|
|
2734 |
report ( crt_loc, ERR_lex_key_word ( tok ) ) ;
|
|
|
2735 |
crt_id_qualifier = qual_none ;
|
|
|
2736 |
crt_templ_qualifier = 0 ;
|
|
|
2737 |
id = make_object_decl ( ds, t, id, 0 ) ;
|
|
|
2738 |
return ( id ) ;
|
|
|
2739 |
}
|
|
|
2740 |
}
|
|
|
2741 |
|
|
|
2742 |
/* Check for type access declarations */
|
|
|
2743 |
if ( !have_specifier && mem ) {
|
|
|
2744 |
if ( !IS_NULL_type ( t ) && IS_type_pre ( t ) ) {
|
|
|
2745 |
BASE_TYPE key = DEREF_btype ( type_pre_rep ( t ) ) ;
|
|
|
2746 |
if ( key == btype_alias ) {
|
|
|
2747 |
IDENTIFIER tid = DEREF_id ( type_name ( t ) ) ;
|
|
|
2748 |
QUALIFIER qual = DEREF_qual ( type_pre_nqual ( t ) ) ;
|
|
|
2749 |
if ( qual && !IS_NULL_id ( tid ) ) {
|
|
|
2750 |
id = access_decl ( tid ) ;
|
|
|
2751 |
return ( id ) ;
|
|
|
2752 |
}
|
|
|
2753 |
}
|
|
|
2754 |
}
|
|
|
2755 |
}
|
|
|
2756 |
|
|
|
2757 |
/* Perform the declaration */
|
|
|
2758 |
t = empty_complete_pre_type ( bt, t, cv, 0 ) ;
|
|
|
2759 |
if ( mem ) {
|
|
|
2760 |
report ( crt_loc, ERR_class_mem_declarator () ) ;
|
|
|
2761 |
id = empty_member_decl ( ds, q, t ) ;
|
|
|
2762 |
} else {
|
|
|
2763 |
id = empty_object_decl ( ds, q, t ) ;
|
|
|
2764 |
}
|
|
|
2765 |
if ( in_weak_param ) {
|
|
|
2766 |
/* Shouldn't happen in parameter declaration lists */
|
|
|
2767 |
report ( crt_loc, ERR_dcl_fct_par_none () ) ;
|
|
|
2768 |
}
|
|
|
2769 |
return ( id ) ;
|
|
|
2770 |
}
|
|
|
2771 |
|
|
|
2772 |
|
|
|
2773 |
/*
|
|
|
2774 |
UPDATE EXTERNAL DECLARATION INFORMATION
|
|
|
2775 |
|
|
|
2776 |
This routine is called after each external declaration. d gives
|
|
|
2777 |
the number of objects declared and e gives the associated expression
|
|
|
2778 |
for an asm definition. Note that this is the point of instantiation
|
|
|
2779 |
for any pending templates.
|
|
|
2780 |
*/
|
|
|
2781 |
|
|
|
2782 |
void external_declaration
|
|
|
2783 |
PROTO_N ( ( e, d ) )
|
|
|
2784 |
PROTO_T ( EXP e X int d )
|
|
|
2785 |
{
|
|
|
2786 |
if ( crt_file_type == 0 ) {
|
|
|
2787 |
no_declarations += ( unsigned long ) d ;
|
|
|
2788 |
}
|
|
|
2789 |
if ( !IS_NULL_exp ( e ) ) {
|
|
|
2790 |
/* Compile any asm definitions */
|
|
|
2791 |
compile_asm ( e ) ;
|
|
|
2792 |
}
|
|
|
2793 |
if ( !in_preproc_dir ) {
|
|
|
2794 |
if ( crt_access_list.pending ) {
|
|
|
2795 |
/* Clear any outstanding access checks */
|
|
|
2796 |
IGNORE report_access ( NULL_id ) ;
|
|
|
2797 |
}
|
|
|
2798 |
if ( !IS_NULL_list ( pending_templates ) ) {
|
|
|
2799 |
/* Instantiate any pending templates */
|
|
|
2800 |
clear_templates ( 0 ) ;
|
|
|
2801 |
}
|
|
|
2802 |
}
|
|
|
2803 |
return ;
|
|
|
2804 |
}
|