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/*
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Crown Copyright (c) 1997
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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 <limits.h>
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#include "c_types.h"
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#include "ctype_ops.h"
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#include "etype_ops.h"
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#include "exp_ops.h"
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#include "ftype_ops.h"
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#include "hashid_ops.h"
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#include "id_ops.h"
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#include "itype_ops.h"
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#include "nat_ops.h"
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#include "nspace_ops.h"
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#include "member_ops.h"
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#include "off_ops.h"
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#include "tok_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 "basetype.h"
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#include "check.h"
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#include "chktype.h"
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#include "class.h"
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#include "constant.h"
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#include "convert.h"
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#include "copy.h"
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#include "declare.h"
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#include "dump.h"
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#include "exception.h"
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#include "expression.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 "lex.h"
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#include "macro.h"
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#include "namespace.h"
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#include "parse.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 "statement.h"
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#include "syntax.h"
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#include "template.h"
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#include "tok.h"
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#include "tokdef.h"
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#include "token.h"
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/*
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FIND A TYPE TOKEN KEY
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This routine returns the keyword associated with a type token of
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kind bt.
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*/
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int type_token_key
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PROTO_N ( ( bt ) )
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PROTO_T ( BASE_TYPE bt )
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{
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int key = lex_type_Hcap ;
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if ( bt & btype_float ) {
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if ( bt & btype_star ) {
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key = lex_scalar_Hcap ;
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} else if ( bt & btype_int ) {
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key = lex_arith_Hcap ;
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} else {
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key = lex_float_Hcap ;
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}
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} else if ( bt & btype_int ) {
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if ( bt & btype_signed ) {
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key = lex_signed ;
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} else if ( bt & btype_unsigned ) {
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key = lex_unsigned ;
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} else {
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key = lex_variety_Hcap ;
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}
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} else if ( bt == btype_class ) {
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key = lex_class_Hcap ;
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} else if ( bt == btype_struct ) {
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key = lex_struct_Hcap ;
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} else if ( bt == btype_union ) {
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key = lex_union_Hcap ;
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}
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return ( key ) ;
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}
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/*
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CREATE A TYPE TOKEN
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This routine creates a type token of kind bt.
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*/
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TOKEN make_type_token
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PROTO_N ( ( bt ) )
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PROTO_T ( BASE_TYPE bt )
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{
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TOKEN tok ;
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MAKE_tok_type ( bt, NULL_type, tok ) ;
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return ( tok ) ;
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}
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/*
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CREATE AN EXPRESSION TOKEN
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This routine creates an expression token of type t.
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*/
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TOKEN make_exp_token
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PROTO_N ( ( t, lv, c ) )
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PROTO_T ( TYPE t X int lv X int c )
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{
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TOKEN tok ;
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if ( lv ) {
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t = lvalue_type ( t ) ;
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} else {
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t = rvalue_type ( t ) ;
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}
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object_type ( t, id_token_tag ) ;
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MAKE_tok_exp ( t, c, NULL_exp, tok ) ;
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return ( tok ) ;
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}
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/*
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CREATE A FUNCTION TOKEN
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This routine creates a function token of type t.
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*/
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TOKEN make_func_token
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PROTO_N ( ( t ) )
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PROTO_T ( TYPE t )
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{
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int ell ;
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TOKEN tok ;
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if ( !IS_type_func ( t ) ) {
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report ( preproc_loc, ERR_token_func ( t ) ) ;
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tok = make_exp_token ( t, 0, 0 ) ;
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return ( tok ) ;
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}
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ell = DEREF_int ( type_func_ellipsis ( t ) ) ;
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if ( ell & FUNC_NO_PARAMS ) {
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/* Map 't ()' to 't ( void )' */
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COPY_int ( type_func_ellipsis ( t ), FUNC_NONE ) ;
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}
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MAKE_tok_func ( t, tok ) ;
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return ( tok ) ;
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}
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/*
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CREATE A MEMBER SELECTOR TOKEN
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This routine creates a member selector token for a member of s of
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type t. acc gives the member access.
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*/
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TOKEN make_member_token
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PROTO_N ( ( t, s, acc ) )
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PROTO_T ( TYPE t X TYPE s X DECL_SPEC acc )
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{
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TOKEN tok ;
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if ( !IS_type_compound ( s ) ) {
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report ( preproc_loc, ERR_token_mem ( s ) ) ;
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tok = make_exp_token ( t, 0, 0 ) ;
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return ( tok ) ;
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}
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#if LANGUAGE_CPP
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crt_access = acc ;
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#else
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UNUSED ( acc ) ;
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#endif
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MAKE_tok_member ( s, t, NULL_off, tok ) ;
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return ( tok ) ;
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}
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/*
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CHECK A TOKEN PARAMETER OR RESULT SORT
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Procedure tokens which take or return other procedure tokens are not
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allowed. This routine checks the parameter token sort tok.
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*/
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static TOKEN check_param_sort
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PROTO_N ( ( tok ) )
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PROTO_T ( TOKEN tok )
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{
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if ( !IS_NULL_tok ( tok ) ) {
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if ( IS_tok_func ( tok ) ) {
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tok = func_proc_token ( tok ) ;
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}
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if ( IS_tok_proc ( tok ) ) {
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report ( preproc_loc, ERR_token_proc_high () ) ;
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tok = DEREF_tok ( tok_proc_res ( tok ) ) ;
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}
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}
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return ( tok ) ;
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}
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/*
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BEGIN THE DEFINITION OF A PROCEDURE TOKEN
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This routine begins the construction of a procedure token.
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*/
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TOKEN begin_proc_token
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PROTO_Z ()
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{
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TOKEN tok ;
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begin_param ( NULL_id ) ;
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MAKE_tok_proc ( NULL_tok, crt_namespace, lex_identifier, tok ) ;
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return ( tok ) ;
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}
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/*
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SET THE PARAMETER NUMBERS FOR A PROCEDURE TOKEN
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This routine sets the token numbers for the list of procedure token
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parameters p.
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*/
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void set_proc_token
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PROTO_N ( ( p ) )
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PROTO_T ( LIST ( IDENTIFIER ) p )
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{
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ulong n = 0 ;
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while ( !IS_NULL_list ( p ) ) {
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IDENTIFIER pid = DEREF_id ( HEAD_list ( p ) ) ;
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if ( !IS_NULL_id ( pid ) ) {
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COPY_ulong ( id_no ( pid ), n ) ;
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}
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n++ ;
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p = TAIL_list ( p ) ;
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}
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return ;
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}
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/*
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CONTINUE THE DEFINITION OF A PROCEDURE TOKEN
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This routine continues the definition of the procedure token prev
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by adding the lists of bound and program parameters, p and q.
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*/
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TOKEN cont_proc_token
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PROTO_N ( ( prev, p, q ) )
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PROTO_T ( TOKEN prev X LIST ( IDENTIFIER ) p X LIST ( IDENTIFIER ) q )
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{
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if ( !IS_NULL_tok ( prev ) ) {
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unsigned n ;
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if ( !EQ_list ( p, q ) ) {
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int eq = 1 ;
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LIST ( IDENTIFIER ) ps = p ;
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LIST ( IDENTIFIER ) qs = q ;
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while ( !IS_NULL_list ( ps ) && !IS_NULL_list ( qs ) ) {
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IDENTIFIER ip = DEREF_id ( HEAD_list ( ps ) ) ;
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IDENTIFIER iq = DEREF_id ( HEAD_list ( qs ) ) ;
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if ( !EQ_id ( ip, iq ) ) {
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eq = 0 ;
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break ;
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}
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ps = TAIL_list ( ps ) ;
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qs = TAIL_list ( qs ) ;
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}
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if ( eq && EQ_list ( ps, qs ) ) {
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/* Parameter lists match */
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DESTROY_list ( q, SIZE_id ) ;
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q = p ;
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} else {
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set_proc_token ( q ) ;
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}
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}
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set_proc_token ( p ) ;
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COPY_list ( tok_proc_bids ( prev ), p ) ;
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COPY_list ( tok_proc_pids ( prev ), q ) ;
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n = LENGTH_list ( q ) ;
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IGNORE check_value ( OPT_VAL_macro_pars, ( ulong ) n ) ;
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}
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return ( prev ) ;
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}
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/*
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COMPLETE THE DEFINITION OF A PROCEDURE TOKEN
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This routine completes the definition of the procedure token prev by
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filling in the token result sort res.
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*/
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TOKEN end_proc_token
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PROTO_N ( ( prev, res ) )
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PROTO_T ( TOKEN prev X TOKEN res )
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{
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res = check_param_sort ( res ) ;
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if ( !IS_NULL_tok ( prev ) ) {
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COPY_tok ( tok_proc_res ( prev ), res ) ;
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}
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end_param () ;
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return ( prev ) ;
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}
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/*
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CREATE A TOKEN PARAMETER
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This routine declares a token bound parameter of sort tok with name
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id, which belongs to the tag namespace if tag is true.
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*/
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IDENTIFIER make_tok_param
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PROTO_N ( ( tok, tag, id ) )
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PROTO_T ( TOKEN tok X int tag X IDENTIFIER id )
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{
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354 |
if ( IS_NULL_id ( id ) ) {
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HASHID nm = lookup_anon () ;
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id = DEREF_id ( hashid_id ( nm ) ) ;
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}
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tok = check_param_sort ( tok ) ;
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id = make_token_decl ( tok, tag, id, NULL_id ) ;
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if ( do_dump ) dump_token_param ( id ) ;
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return ( id ) ;
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}
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364 |
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/*
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366 |
FIND A TOKEN MEMBER
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367 |
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368 |
This routine looks up a member id of the class type t. If the member
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is not found or t is not a class type then an error message is printed
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and the null identifier is returned.
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*/
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373 |
IDENTIFIER tok_member
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374 |
PROTO_N ( ( id, t, force ) )
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375 |
PROTO_T ( IDENTIFIER id X TYPE t X int force )
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376 |
{
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377 |
if ( IS_type_compound ( t ) ) {
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378 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
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379 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
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|
380 |
NAMESPACE ns = DEREF_nspace ( ctype_member ( ct ) ) ;
|
|
|
381 |
IDENTIFIER fid = search_id ( ns, nm, 0, 0 ) ;
|
|
|
382 |
if ( IS_NULL_id ( fid ) ) {
|
|
|
383 |
/* Member not declared */
|
|
|
384 |
if ( force ) {
|
|
|
385 |
/* Report error */
|
|
|
386 |
report ( preproc_loc, ERR_lookup_qual_bad ( id, ns ) ) ;
|
|
|
387 |
} else {
|
|
|
388 |
/* Create token member */
|
|
|
389 |
TOKEN tok ;
|
|
|
390 |
HASHID fnm = lookup_anon () ;
|
|
|
391 |
fid = DEREF_id ( hashid_id ( fnm ) ) ;
|
|
|
392 |
MAKE_tok_member ( t, type_error, NULL_off, tok ) ;
|
|
|
393 |
fid = make_token_decl ( tok, 0, id, fid ) ;
|
|
|
394 |
fid = DEREF_id ( id_token_alt ( fid ) ) ;
|
|
|
395 |
}
|
|
|
396 |
}
|
|
|
397 |
return ( fid ) ;
|
|
|
398 |
}
|
|
|
399 |
report ( preproc_loc, ERR_token_mem ( t ) ) ;
|
|
|
400 |
return ( NULL_id ) ;
|
|
|
401 |
}
|
|
|
402 |
|
|
|
403 |
|
|
|
404 |
/*
|
|
|
405 |
CREATE A TOKEN PROGRAM PARAMETER
|
|
|
406 |
|
|
|
407 |
This routine declares a token program parameter named id. tt gives
|
|
|
408 |
the associated token sort, while t gives the structure type if this
|
|
|
409 |
denotes a member token or the parameter type if this denotes a type
|
|
|
410 |
token.
|
|
|
411 |
*/
|
|
|
412 |
|
|
|
413 |
IDENTIFIER prog_tok_param
|
|
|
414 |
PROTO_N ( ( id, t, tt, p ) )
|
|
|
415 |
PROTO_T ( IDENTIFIER id X TYPE t X unsigned tt X LIST ( IDENTIFIER ) p )
|
|
|
416 |
{
|
|
|
417 |
/* Look up member identifier */
|
|
|
418 |
IDENTIFIER tid = id ;
|
|
|
419 |
if ( tt == tok_member_tag ) {
|
|
|
420 |
tid = tok_member ( tid, t, 1 ) ;
|
|
|
421 |
if ( IS_NULL_id ( tid ) ) return ( NULL_id ) ;
|
|
|
422 |
}
|
|
|
423 |
|
|
|
424 |
/* Check through tokens */
|
|
|
425 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
426 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( p ) ) ;
|
|
|
427 |
if ( !IS_NULL_id ( pid ) && IS_id_token ( pid ) ) {
|
|
|
428 |
IDENTIFIER qid = DEREF_id ( id_token_alt ( pid ) ) ;
|
|
|
429 |
if ( EQ_id ( qid, tid ) ) {
|
|
|
430 |
/* Matching token found */
|
|
|
431 |
TOKEN tok = DEREF_tok ( id_token_sort ( pid ) ) ;
|
|
|
432 |
unsigned pt = TAG_tok ( tok ) ;
|
|
|
433 |
switch ( pt ) {
|
|
|
434 |
case tok_nat_tag :
|
|
|
435 |
case tok_snat_tag : {
|
|
|
436 |
pt = tok_exp_tag ;
|
|
|
437 |
break ;
|
|
|
438 |
}
|
|
|
439 |
case tok_templ_tag :
|
|
|
440 |
case tok_func_tag : {
|
|
|
441 |
pt = tok_proc_tag ;
|
|
|
442 |
break ;
|
|
|
443 |
}
|
|
|
444 |
}
|
|
|
445 |
if ( pt != tt ) {
|
|
|
446 |
/* Wrong sort given for token parameter */
|
|
|
447 |
report ( preproc_loc, ERR_token_arg_sort ( pid ) ) ;
|
|
|
448 |
}
|
|
|
449 |
return ( pid ) ;
|
|
|
450 |
}
|
|
|
451 |
}
|
|
|
452 |
p = TAIL_list ( p ) ;
|
|
|
453 |
}
|
|
|
454 |
|
|
|
455 |
/* Allow for complex type parameters */
|
|
|
456 |
if ( tt == tok_type_tag ) {
|
|
|
457 |
HASHID nm = lookup_anon () ;
|
|
|
458 |
int tq = crt_templ_qualifier ;
|
|
|
459 |
QUALIFIER cq = crt_id_qualifier ;
|
|
|
460 |
crt_id_qualifier = qual_none ;
|
|
|
461 |
crt_templ_qualifier = 0 ;
|
|
|
462 |
tid = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
463 |
tid = make_object_decl ( dspec_typedef, t, tid, 0 ) ;
|
|
|
464 |
crt_templ_qualifier = tq ;
|
|
|
465 |
crt_id_qualifier = cq ;
|
|
|
466 |
return ( tid ) ;
|
|
|
467 |
}
|
|
|
468 |
report ( preproc_loc, ERR_token_arg_bad ( tid ) ) ;
|
|
|
469 |
return ( NULL_id ) ;
|
|
|
470 |
}
|
|
|
471 |
|
|
|
472 |
|
|
|
473 |
/*
|
|
|
474 |
FIND AN UNDERLYING PROCEDURE TOKEN
|
|
|
475 |
|
|
|
476 |
This routine returns the procedure token underlying the function
|
|
|
477 |
token tok, creating this if necessary.
|
|
|
478 |
*/
|
|
|
479 |
|
|
|
480 |
TOKEN func_proc_token
|
|
|
481 |
PROTO_N ( ( tok ) )
|
|
|
482 |
PROTO_T ( TOKEN tok )
|
|
|
483 |
{
|
|
|
484 |
TOKEN res ;
|
|
|
485 |
if ( !IS_tok_func ( tok ) ) return ( tok ) ;
|
|
|
486 |
res = DEREF_tok ( tok_func_proc ( tok ) ) ;
|
|
|
487 |
if ( IS_NULL_tok ( res ) ) {
|
|
|
488 |
TYPE t = DEREF_type ( tok_func_type ( tok ) ) ;
|
|
|
489 |
int ell = DEREF_int ( type_func_ellipsis ( t ) ) ;
|
|
|
490 |
if ( ell & FUNC_ELLIPSIS ) {
|
|
|
491 |
res = tok ;
|
|
|
492 |
} else {
|
|
|
493 |
TOKEN rtok ;
|
|
|
494 |
IDENTIFIER pid ;
|
|
|
495 |
EXP e = NULL_exp ;
|
|
|
496 |
LIST ( IDENTIFIER ) qids ;
|
|
|
497 |
IDENTIFIER fn = DEREF_id ( tok_func_defn ( tok ) ) ;
|
|
|
498 |
TYPE r = DEREF_type ( type_func_ret ( t ) ) ;
|
|
|
499 |
LIST ( TYPE ) p = DEREF_list ( type_func_mtypes ( t ) ) ;
|
|
|
500 |
LIST ( IDENTIFIER ) pids = NULL_list ( IDENTIFIER ) ;
|
|
|
501 |
res = begin_proc_token () ;
|
|
|
502 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
503 |
/* Normal function parameters */
|
|
|
504 |
TYPE s = DEREF_type ( HEAD_list ( p ) ) ;
|
|
|
505 |
if ( pass_complex_type ( s ) ) {
|
|
|
506 |
MAKE_type_ptr ( cv_none, s, s ) ;
|
|
|
507 |
}
|
|
|
508 |
MAKE_tok_exp ( s, 0, NULL_exp, rtok ) ;
|
|
|
509 |
pid = make_tok_param ( rtok, 0, NULL_id ) ;
|
|
|
510 |
CONS_id ( pid, pids, pids ) ;
|
|
|
511 |
p = TAIL_list ( p ) ;
|
|
|
512 |
}
|
|
|
513 |
/* Extra constructor parameters ... */
|
|
|
514 |
pids = REVERSE_list ( pids ) ;
|
|
|
515 |
qids = pids ;
|
|
|
516 |
if ( pass_complex_type ( r ) ) {
|
|
|
517 |
/* Complex function return */
|
|
|
518 |
TYPE s ;
|
|
|
519 |
MAKE_type_ptr ( cv_none, r, s ) ;
|
|
|
520 |
MAKE_tok_exp ( s, 0, NULL_exp, rtok ) ;
|
|
|
521 |
pid = make_tok_param ( rtok, 0, NULL_id ) ;
|
|
|
522 |
CONS_id ( pid, pids, pids ) ;
|
|
|
523 |
r = type_void ;
|
|
|
524 |
}
|
|
|
525 |
res = cont_proc_token ( res, pids, qids ) ;
|
|
|
526 |
if ( !IS_NULL_id ( fn ) ) {
|
|
|
527 |
/* Token already defined */
|
|
|
528 |
MAKE_exp_value ( t, e ) ;
|
|
|
529 |
}
|
|
|
530 |
MAKE_tok_exp ( r, 0, e, rtok ) ;
|
|
|
531 |
res = end_proc_token ( res, rtok ) ;
|
|
|
532 |
}
|
|
|
533 |
COPY_tok ( tok_func_proc ( tok ), res ) ;
|
|
|
534 |
}
|
|
|
535 |
return ( res ) ;
|
|
|
536 |
}
|
|
|
537 |
|
|
|
538 |
|
|
|
539 |
/*
|
|
|
540 |
EXPAND A TOKEN VALUE
|
|
|
541 |
|
|
|
542 |
This routine expands the token value tok. If force is true then a copy
|
|
|
543 |
is always made.
|
|
|
544 |
*/
|
|
|
545 |
|
|
|
546 |
TOKEN expand_sort
|
|
|
547 |
PROTO_N ( ( tok, rec, force ) )
|
|
|
548 |
PROTO_T ( TOKEN tok X int rec X int force )
|
|
|
549 |
{
|
|
|
550 |
if ( !IS_NULL_tok ( tok ) ) {
|
|
|
551 |
unsigned tag = TAG_tok ( tok ) ;
|
|
|
552 |
switch ( tag ) {
|
|
|
553 |
case tok_exp_tag : {
|
|
|
554 |
/* Expression tokens */
|
|
|
555 |
EXP a1 = DEREF_exp ( tok_exp_value ( tok ) ) ;
|
|
|
556 |
EXP a2 = expand_exp ( a1, rec, 0 ) ;
|
|
|
557 |
if ( force || !eq_exp_exact ( a1, a2 ) ) {
|
|
|
558 |
int c = DEREF_int ( tok_exp_constant ( tok ) ) ;
|
|
|
559 |
TYPE t = DEREF_type ( tok_exp_type ( tok ) ) ;
|
|
|
560 |
t = expand_type ( t, rec ) ;
|
|
|
561 |
MAKE_tok_exp ( t, c, a2, tok ) ;
|
|
|
562 |
}
|
|
|
563 |
break ;
|
|
|
564 |
}
|
|
|
565 |
case tok_nat_tag :
|
|
|
566 |
case tok_snat_tag : {
|
|
|
567 |
/* Integral constant tokens */
|
|
|
568 |
ERROR err = NULL_err ;
|
|
|
569 |
NAT n1 = DEREF_nat ( tok_nat_etc_value ( tok ) ) ;
|
|
|
570 |
NAT n2 = expand_nat ( n1, rec, 0, &err ) ;
|
|
|
571 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
572 |
if ( force || !EQ_nat ( n1, n2 ) ) {
|
|
|
573 |
MAKE_tok_nat_etc ( tag, n2, tok ) ;
|
|
|
574 |
}
|
|
|
575 |
break ;
|
|
|
576 |
}
|
|
|
577 |
case tok_stmt_tag : {
|
|
|
578 |
/* Statement tokens */
|
|
|
579 |
EXP a1 = DEREF_exp ( tok_stmt_value ( tok ) ) ;
|
|
|
580 |
EXP a2 = expand_exp ( a1, rec, 1 ) ;
|
|
|
581 |
if ( force || !eq_exp_exact ( a1, a2 ) ) {
|
|
|
582 |
EXP b = get_parent_stmt ( a1 ) ;
|
|
|
583 |
set_parent_stmt ( a2, b ) ;
|
|
|
584 |
MAKE_tok_stmt ( a2, tok ) ;
|
|
|
585 |
}
|
|
|
586 |
break ;
|
|
|
587 |
}
|
|
|
588 |
case tok_member_tag : {
|
|
|
589 |
/* Member tokens */
|
|
|
590 |
OFFSET a1 = DEREF_off ( tok_member_value ( tok ) ) ;
|
|
|
591 |
OFFSET a2 = expand_offset ( a1, rec ) ;
|
|
|
592 |
if ( force || !EQ_off ( a1, a2 ) ) {
|
|
|
593 |
TYPE s = DEREF_type ( tok_member_of ( tok ) ) ;
|
|
|
594 |
TYPE t = DEREF_type ( tok_member_type ( tok ) ) ;
|
|
|
595 |
s = expand_type ( s, rec ) ;
|
|
|
596 |
t = expand_type ( t, rec ) ;
|
|
|
597 |
MAKE_tok_member ( s, t, a2, tok ) ;
|
|
|
598 |
}
|
|
|
599 |
break ;
|
|
|
600 |
}
|
|
|
601 |
case tok_type_tag : {
|
|
|
602 |
/* Type tokens */
|
|
|
603 |
TYPE t1 = DEREF_type ( tok_type_value ( tok ) ) ;
|
|
|
604 |
TYPE t2 = expand_type ( t1, rec ) ;
|
|
|
605 |
if ( force || !EQ_type ( t1, t2 ) ) {
|
|
|
606 |
BASE_TYPE bs = DEREF_btype ( tok_type_kind ( tok ) ) ;
|
|
|
607 |
MAKE_tok_type ( bs, t2, tok ) ;
|
|
|
608 |
}
|
|
|
609 |
break ;
|
|
|
610 |
}
|
|
|
611 |
case tok_class_tag : {
|
|
|
612 |
/* Template class tokens */
|
|
|
613 |
IDENTIFIER cid = DEREF_id ( tok_class_value ( tok ) ) ;
|
|
|
614 |
/* NOT YET IMPLEMENTED */
|
|
|
615 |
if ( force ) {
|
|
|
616 |
TYPE s = DEREF_type ( tok_class_type ( tok ) ) ;
|
|
|
617 |
TYPE t = DEREF_type ( tok_class_alt ( tok ) ) ;
|
|
|
618 |
MAKE_tok_class ( s, cid, tok ) ;
|
|
|
619 |
COPY_type ( tok_class_alt ( tok ), t ) ;
|
|
|
620 |
}
|
|
|
621 |
break ;
|
|
|
622 |
}
|
|
|
623 |
case tok_templ_tag : {
|
|
|
624 |
/* Template tokens */
|
|
|
625 |
if ( force ) {
|
|
|
626 |
int d ;
|
|
|
627 |
LIST ( IDENTIFIER ) pids ;
|
|
|
628 |
LIST ( IDENTIFIER ) rids ;
|
|
|
629 |
LIST ( IDENTIFIER ) qids = NULL_list ( IDENTIFIER ) ;
|
|
|
630 |
DECL_SPEC ds = DEREF_dspec ( tok_templ_usage ( tok ) ) ;
|
|
|
631 |
NAMESPACE ns = DEREF_nspace ( tok_templ_pars ( tok ) ) ;
|
|
|
632 |
pids = DEREF_list ( tok_templ_pids ( tok ) ) ;
|
|
|
633 |
rids = pids ;
|
|
|
634 |
d = save_token_args ( rids, NULL_list ( TOKEN ) ) ;
|
|
|
635 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
636 |
/* Copy template parameters */
|
|
|
637 |
TOKEN arg ;
|
|
|
638 |
IDENTIFIER qid2 ;
|
|
|
639 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
640 |
IDENTIFIER pid2 = DEREF_id ( id_token_alt ( pid ) ) ;
|
|
|
641 |
IDENTIFIER qid = copy_id ( pid, 2 ) ;
|
|
|
642 |
DECL_SPEC qds = DEREF_dspec ( id_storage ( qid ) ) ;
|
|
|
643 |
qds |= dspec_pure ;
|
|
|
644 |
COPY_dspec ( id_storage ( qid ), qds ) ;
|
|
|
645 |
arg = apply_token ( qid, NULL_list ( TOKEN ) ) ;
|
|
|
646 |
assign_token ( pid, arg ) ;
|
|
|
647 |
qid2 = copy_id ( pid2, 2 ) ;
|
|
|
648 |
COPY_id ( id_token_alt ( qid ), qid2 ) ;
|
|
|
649 |
CONS_id ( qid, qids, qids ) ;
|
|
|
650 |
pids = TAIL_list ( pids ) ;
|
|
|
651 |
}
|
|
|
652 |
restore_token_args ( rids, d ) ;
|
|
|
653 |
MAKE_tok_templ ( ds, ns, tok ) ;
|
|
|
654 |
qids = REVERSE_list ( qids ) ;
|
|
|
655 |
COPY_list ( tok_templ_pids ( tok ), qids ) ;
|
|
|
656 |
set_proc_token ( qids ) ;
|
|
|
657 |
}
|
|
|
658 |
break ;
|
|
|
659 |
}
|
|
|
660 |
}
|
|
|
661 |
}
|
|
|
662 |
return ( tok ) ;
|
|
|
663 |
}
|
|
|
664 |
|
|
|
665 |
|
|
|
666 |
/*
|
|
|
667 |
EXPAND A LIST OF TOKEN ARGUMENTS
|
|
|
668 |
|
|
|
669 |
This routine expands the list of token arguments p passing the parameter
|
|
|
670 |
rec to the individual expansion routines. The null list is returned to
|
|
|
671 |
indicate that the expansion has no effect.
|
|
|
672 |
*/
|
|
|
673 |
|
|
|
674 |
LIST ( TOKEN ) expand_args
|
|
|
675 |
PROTO_N ( ( p, rec, force ) )
|
|
|
676 |
PROTO_T ( LIST ( TOKEN ) p X int rec X int force )
|
|
|
677 |
{
|
|
|
678 |
int changed = 0 ;
|
|
|
679 |
LIST ( TOKEN ) q = NULL_list ( TOKEN ) ;
|
|
|
680 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
681 |
TOKEN a = DEREF_tok ( HEAD_list ( p ) ) ;
|
|
|
682 |
TOKEN b = expand_sort ( a, rec, force ) ;
|
|
|
683 |
if ( !EQ_tok ( a, b ) ) changed = 1 ;
|
|
|
684 |
CONS_tok ( b, q, q ) ;
|
|
|
685 |
p = TAIL_list ( p ) ;
|
|
|
686 |
}
|
|
|
687 |
if ( !changed ) {
|
|
|
688 |
/* No effect */
|
|
|
689 |
DESTROY_list ( q, SIZE_tok ) ;
|
|
|
690 |
return ( NULL_list ( TOKEN ) ) ;
|
|
|
691 |
}
|
|
|
692 |
q = REVERSE_list ( q ) ;
|
|
|
693 |
return ( q ) ;
|
|
|
694 |
}
|
|
|
695 |
|
|
|
696 |
|
|
|
697 |
/*
|
|
|
698 |
EXPAND A TEMPLATE SORT
|
|
|
699 |
|
|
|
700 |
This routine copies the given template sort producing a new sort
|
|
|
701 |
comprising only those parameters which are unbound. If all the
|
|
|
702 |
parameters are bound then the null sort is returned.
|
|
|
703 |
*/
|
|
|
704 |
|
|
|
705 |
TOKEN expand_templ_sort
|
|
|
706 |
PROTO_N ( ( sort, rec ) )
|
|
|
707 |
PROTO_T ( TOKEN sort X int rec )
|
|
|
708 |
{
|
|
|
709 |
NAMESPACE ns ;
|
|
|
710 |
int changed = 0 ;
|
|
|
711 |
int all_unbound = 1 ;
|
|
|
712 |
LIST ( TOKEN ) dargs = NULL_list ( TOKEN ) ;
|
|
|
713 |
DECL_SPEC ex = DEREF_dspec ( tok_templ_usage ( sort ) ) ;
|
|
|
714 |
LIST ( IDENTIFIER ) p = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
715 |
LIST ( IDENTIFIER ) q = NULL_list ( IDENTIFIER ) ;
|
|
|
716 |
LIST ( IDENTIFIER ) p0 = p ;
|
|
|
717 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
718 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( p ) ) ;
|
|
|
719 |
if ( !IS_NULL_id ( pid ) && IS_id_token ( pid ) ) {
|
|
|
720 |
TOKEN tok = DEREF_tok ( id_token_sort ( pid ) ) ;
|
|
|
721 |
if ( is_bound_tok ( tok, 0 ) ) {
|
|
|
722 |
/* Have bound parameter */
|
|
|
723 |
all_unbound = 0 ;
|
|
|
724 |
changed = 1 ;
|
|
|
725 |
} else {
|
|
|
726 |
/* Add unbound parameter to list */
|
|
|
727 |
/* NOT YET IMPLEMENTED */
|
|
|
728 |
CONS_id ( pid, q, q ) ;
|
|
|
729 |
}
|
|
|
730 |
}
|
|
|
731 |
p = TAIL_list ( p ) ;
|
|
|
732 |
}
|
|
|
733 |
if ( IS_NULL_list ( q ) ) {
|
|
|
734 |
/* All parameters are bound */
|
|
|
735 |
return ( NULL_tok ) ;
|
|
|
736 |
}
|
|
|
737 |
if ( changed ) {
|
|
|
738 |
/* Get unbound parameters into order */
|
|
|
739 |
q = REVERSE_list ( q ) ;
|
|
|
740 |
} else {
|
|
|
741 |
/* Use existing list */
|
|
|
742 |
DESTROY_list ( q, SIZE_id ) ;
|
|
|
743 |
q = p0 ;
|
|
|
744 |
}
|
|
|
745 |
if ( all_unbound ) {
|
|
|
746 |
/* Preserve instances and default arguments */
|
|
|
747 |
LIST ( TOKEN ) d ;
|
|
|
748 |
dargs = DEREF_list ( tok_templ_dargs ( sort ) ) ;
|
|
|
749 |
d = expand_args ( dargs, rec, 0 ) ;
|
|
|
750 |
if ( !IS_NULL_list ( d ) ) dargs = d ;
|
|
|
751 |
}
|
|
|
752 |
ns = DEREF_nspace ( tok_templ_pars ( sort ) ) ;
|
|
|
753 |
MAKE_tok_templ ( ex, ns, sort ) ;
|
|
|
754 |
COPY_list ( tok_templ_pids ( sort ), q ) ;
|
|
|
755 |
COPY_list ( tok_templ_dargs ( sort ), dargs ) ;
|
|
|
756 |
return ( sort ) ;
|
|
|
757 |
}
|
|
|
758 |
|
|
|
759 |
|
|
|
760 |
/*
|
|
|
761 |
RESTORE A TEMPLATE SORT
|
|
|
762 |
|
|
|
763 |
This routine is called at the end of the expansion of a template
|
|
|
764 |
type to restore the sort produced by expand_templ_sort.
|
|
|
765 |
*/
|
|
|
766 |
|
|
|
767 |
void reset_templ_sort
|
|
|
768 |
PROTO_N ( ( sort ) )
|
|
|
769 |
PROTO_T ( TOKEN sort )
|
|
|
770 |
{
|
|
|
771 |
UNUSED ( sort ) ;
|
|
|
772 |
return ;
|
|
|
773 |
}
|
|
|
774 |
|
|
|
775 |
|
|
|
776 |
/*
|
|
|
777 |
EXPAND AN EXPRESSION TOKEN
|
|
|
778 |
|
|
|
779 |
This routine expands any token definitions in the expression e.
|
|
|
780 |
rec gives the level of expansion, 0 for just the top level, 1 for a
|
|
|
781 |
complete recursive expansion, and 2 for a recursive expansion of
|
|
|
782 |
token parameters only. Negative values just return e.
|
|
|
783 |
*/
|
|
|
784 |
|
|
|
785 |
EXP expand_exp
|
|
|
786 |
PROTO_N ( ( e, rec, stmt ) )
|
|
|
787 |
PROTO_T ( EXP e X int rec X int stmt )
|
|
|
788 |
{
|
|
|
789 |
unsigned etag ;
|
|
|
790 |
if ( rec < 0 ) return ( e ) ;
|
|
|
791 |
if ( IS_NULL_exp ( e ) ) return ( NULL_exp ) ;
|
|
|
792 |
etag = TAG_exp ( e ) ;
|
|
|
793 |
if ( etag == exp_token_tag ) {
|
|
|
794 |
/* Tokenised values */
|
|
|
795 |
TOKEN tok ;
|
|
|
796 |
DECL_SPEC ds ;
|
|
|
797 |
unsigned tag ;
|
|
|
798 |
IDENTIFIER id = DEREF_id ( exp_token_tok ( e ) ) ;
|
|
|
799 |
IDENTIFIER aid = DEREF_id ( id_alias ( id ) ) ;
|
|
|
800 |
LIST ( TOKEN ) p = DEREF_list ( exp_token_args ( e ) ) ;
|
|
|
801 |
if ( !EQ_id ( id, aid ) ) {
|
|
|
802 |
/* Replace token by its alias */
|
|
|
803 |
e = apply_exp_token ( aid, p, 1 ) ;
|
|
|
804 |
id = aid ;
|
|
|
805 |
}
|
|
|
806 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
807 |
tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
808 |
tag = TAG_tok ( tok ) ;
|
|
|
809 |
if ( tag == tok_proc_tag ) {
|
|
|
810 |
tok = DEREF_tok ( tok_proc_res ( tok ) ) ;
|
|
|
811 |
tag = TAG_tok ( tok ) ;
|
|
|
812 |
}
|
|
|
813 |
if ( rec ) {
|
|
|
814 |
/* Expand token arguments */
|
|
|
815 |
p = expand_args ( p, rec, 1 ) ;
|
|
|
816 |
e = apply_exp_token ( id, p, rec ) ;
|
|
|
817 |
}
|
|
|
818 |
/* if ( rec == 2 && !( ds & dspec_auto ) ) break ; */
|
|
|
819 |
if ( ds & dspec_temp ) {
|
|
|
820 |
/* Check for recursive token expansions */
|
|
|
821 |
report ( crt_loc, ERR_token_recursive ( id ) ) ;
|
|
|
822 |
return ( make_error_exp ( 0 ) ) ;
|
|
|
823 |
}
|
|
|
824 |
COPY_dspec ( id_storage ( id ), ( ds | dspec_temp ) ) ;
|
|
|
825 |
if ( tag == tok_exp_tag ) {
|
|
|
826 |
EXP a = DEREF_exp ( tok_exp_value ( tok ) ) ;
|
|
|
827 |
if ( !IS_NULL_exp ( a ) ) {
|
|
|
828 |
/* Expand token definition */
|
|
|
829 |
e = expand_exp ( a, rec, 0 ) ;
|
|
|
830 |
if ( ds & dspec_auto ) {
|
|
|
831 |
COPY_exp ( tok_exp_value ( tok ), e ) ;
|
|
|
832 |
}
|
|
|
833 |
}
|
|
|
834 |
} else if ( tag == tok_stmt_tag ) {
|
|
|
835 |
EXP a = DEREF_exp ( tok_stmt_value ( tok ) ) ;
|
|
|
836 |
if ( !IS_NULL_exp ( a ) ) {
|
|
|
837 |
/* Expand token definition */
|
|
|
838 |
EXP b = get_parent_stmt ( a ) ;
|
|
|
839 |
e = expand_exp ( a, rec, 1 ) ;
|
|
|
840 |
set_parent_stmt ( e, b ) ;
|
|
|
841 |
if ( ds & dspec_auto ) {
|
|
|
842 |
COPY_exp ( tok_stmt_value ( tok ), e ) ;
|
|
|
843 |
}
|
|
|
844 |
}
|
|
|
845 |
}
|
|
|
846 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
847 |
|
|
|
848 |
} else if ( etag == exp_int_lit_tag ) {
|
|
|
849 |
/* Integer constants */
|
|
|
850 |
ERROR err = NULL_err ;
|
|
|
851 |
NAT n1 = DEREF_nat ( exp_int_lit_nat ( e ) ) ;
|
|
|
852 |
NAT n2 = expand_nat ( n1, rec, 0, &err ) ;
|
|
|
853 |
if ( rec || !EQ_nat ( n1, n2 ) ) {
|
|
|
854 |
TYPE t = DEREF_type ( exp_type ( e ) ) ;
|
|
|
855 |
unsigned tag = DEREF_unsigned ( exp_int_lit_etag ( e ) ) ;
|
|
|
856 |
MAKE_exp_int_lit ( t, n2, tag, e ) ;
|
|
|
857 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
858 |
}
|
|
|
859 |
|
|
|
860 |
} else {
|
|
|
861 |
/* Other cases */
|
|
|
862 |
if ( rec && !stmt ) e = copy_exp ( e, NULL_type, NULL_type ) ;
|
|
|
863 |
}
|
|
|
864 |
return ( e ) ;
|
|
|
865 |
}
|
|
|
866 |
|
|
|
867 |
|
|
|
868 |
/*
|
|
|
869 |
EXPAND AN INTEGER CONSTANT TOKEN
|
|
|
870 |
|
|
|
871 |
This routine expands any token definitions in the integer constant
|
|
|
872 |
expression n. rec is as above, ch is as in eval_exp.
|
|
|
873 |
*/
|
|
|
874 |
|
|
|
875 |
NAT expand_nat
|
|
|
876 |
PROTO_N ( ( n, rec, ch, err ) )
|
|
|
877 |
PROTO_T ( NAT n X int rec X int ch X ERROR *err )
|
|
|
878 |
{
|
|
|
879 |
if ( rec < 0 ) return ( n ) ;
|
|
|
880 |
if ( IS_NULL_nat ( n ) ) return ( NULL_nat ) ;
|
|
|
881 |
switch ( TAG_nat ( n ) ) {
|
|
|
882 |
case nat_calc_tag : {
|
|
|
883 |
/* Calculated values */
|
|
|
884 |
EXP e2 ;
|
|
|
885 |
EXP e1 = DEREF_exp ( nat_calc_value ( n ) ) ;
|
|
|
886 |
ulong tok = DEREF_ulong ( nat_calc_tok ( n ) ) ;
|
|
|
887 |
if ( rec ) {
|
|
|
888 |
e2 = eval_exp ( e1, ch ) ;
|
|
|
889 |
} else {
|
|
|
890 |
e2 = expand_exp ( e1, 0, 0 ) ;
|
|
|
891 |
}
|
|
|
892 |
e2 = convert_reference ( e2, REF_NORMAL ) ;
|
|
|
893 |
e2 = convert_lvalue ( e2 ) ;
|
|
|
894 |
if ( !EQ_exp ( e1, e2 ) && !eq_exp_exact ( e1, e2 ) ) {
|
|
|
895 |
n = make_nat_exp ( e2, err ) ;
|
|
|
896 |
if ( IS_nat_calc ( n ) ) {
|
|
|
897 |
COPY_ulong ( nat_calc_tok ( n ), tok ) ;
|
|
|
898 |
}
|
|
|
899 |
}
|
|
|
900 |
break ;
|
|
|
901 |
}
|
|
|
902 |
case nat_token_tag : {
|
|
|
903 |
/* Tokenised values */
|
|
|
904 |
TOKEN tok ;
|
|
|
905 |
DECL_SPEC ds ;
|
|
|
906 |
unsigned tag ;
|
|
|
907 |
IDENTIFIER id = DEREF_id ( nat_token_tok ( n ) ) ;
|
|
|
908 |
IDENTIFIER aid = DEREF_id ( id_alias ( id ) ) ;
|
|
|
909 |
LIST ( TOKEN ) p = DEREF_list ( nat_token_args ( n ) ) ;
|
|
|
910 |
if ( !EQ_id ( id, aid ) ) {
|
|
|
911 |
/* Replace token by its alias */
|
|
|
912 |
n = apply_nat_token ( aid, p ) ;
|
|
|
913 |
id = aid ;
|
|
|
914 |
}
|
|
|
915 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
916 |
tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
917 |
tag = TAG_tok ( tok ) ;
|
|
|
918 |
if ( tag == tok_proc_tag ) {
|
|
|
919 |
if ( rec ) {
|
|
|
920 |
/* Expand token arguments */
|
|
|
921 |
p = expand_args ( p, rec, 0 ) ;
|
|
|
922 |
if ( !IS_NULL_list ( p ) ) {
|
|
|
923 |
n = apply_nat_token ( id, p ) ;
|
|
|
924 |
}
|
|
|
925 |
}
|
|
|
926 |
tok = DEREF_tok ( tok_proc_res ( tok ) ) ;
|
|
|
927 |
tag = TAG_tok ( tok ) ;
|
|
|
928 |
}
|
|
|
929 |
/* if ( rec == 2 && !( ds & dspec_auto ) ) break ; */
|
|
|
930 |
if ( ds & dspec_temp ) {
|
|
|
931 |
/* Check for recursive token expansions */
|
|
|
932 |
report ( crt_loc, ERR_token_recursive ( id ) ) ;
|
|
|
933 |
return ( small_nat [1] ) ;
|
|
|
934 |
}
|
|
|
935 |
COPY_dspec ( id_storage ( id ), ( ds | dspec_temp ) ) ;
|
|
|
936 |
if ( tag == tok_nat_tag || tag == tok_snat_tag ) {
|
|
|
937 |
NAT m = DEREF_nat ( tok_nat_etc_value ( tok ) ) ;
|
|
|
938 |
if ( !IS_NULL_nat ( m ) ) {
|
|
|
939 |
/* Expand token definition */
|
|
|
940 |
n = expand_nat ( m, rec, ch, err ) ;
|
|
|
941 |
if ( ds & dspec_auto ) {
|
|
|
942 |
COPY_nat ( tok_nat_etc_value ( tok ), n ) ;
|
|
|
943 |
}
|
|
|
944 |
}
|
|
|
945 |
}
|
|
|
946 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
947 |
break ;
|
|
|
948 |
}
|
|
|
949 |
}
|
|
|
950 |
return ( n ) ;
|
|
|
951 |
}
|
|
|
952 |
|
|
|
953 |
|
|
|
954 |
/*
|
|
|
955 |
EXPAND A MEMBER TOKEN
|
|
|
956 |
|
|
|
957 |
This routine expands any token definitions in the offset off. rec
|
|
|
958 |
is as above.
|
|
|
959 |
*/
|
|
|
960 |
|
|
|
961 |
OFFSET expand_offset
|
|
|
962 |
PROTO_N ( ( off, rec ) )
|
|
|
963 |
PROTO_T ( OFFSET off X int rec )
|
|
|
964 |
{
|
|
|
965 |
if ( rec > 0 ) off = copy_offset ( off, lex_plus ) ;
|
|
|
966 |
return ( off ) ;
|
|
|
967 |
}
|
|
|
968 |
|
|
|
969 |
|
|
|
970 |
/*
|
|
|
971 |
EXPAND A TEMPLATE TYPE
|
|
|
972 |
|
|
|
973 |
This routine is a special case of expand_type which deals with
|
|
|
974 |
template types.
|
|
|
975 |
*/
|
|
|
976 |
|
|
|
977 |
static TYPE expand_templ_type
|
|
|
978 |
PROTO_N ( ( t, rec ) )
|
|
|
979 |
PROTO_T ( TYPE t X int rec )
|
|
|
980 |
{
|
|
|
981 |
CV_SPEC cv = DEREF_cv ( type_qual ( t ) ) ;
|
|
|
982 |
TYPE s = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
983 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
984 |
sort = expand_templ_sort ( sort, rec ) ;
|
|
|
985 |
if ( IS_type_compound ( s ) ) {
|
|
|
986 |
/* Template classes */
|
|
|
987 |
s = copy_class ( s, dspec_instance ) ;
|
|
|
988 |
} else {
|
|
|
989 |
/* Other template types */
|
|
|
990 |
s = expand_type ( s, rec ) ;
|
|
|
991 |
}
|
|
|
992 |
if ( IS_NULL_tok ( sort ) ) {
|
|
|
993 |
/* No unbound parameters */
|
|
|
994 |
t = qualify_type ( s, cv, 0 ) ;
|
|
|
995 |
} else {
|
|
|
996 |
/* Unbound parameters - result is a specialisation */
|
|
|
997 |
MAKE_type_templ ( cv, sort, s, 1, t ) ;
|
|
|
998 |
}
|
|
|
999 |
reset_templ_sort ( sort ) ;
|
|
|
1000 |
return ( t ) ;
|
|
|
1001 |
}
|
|
|
1002 |
|
|
|
1003 |
|
|
|
1004 |
/*
|
|
|
1005 |
EXPAND A LIST OF EXCEPTION TYPES
|
|
|
1006 |
|
|
|
1007 |
This routine expands the list of exception types p, setting changed to
|
|
|
1008 |
true if any changes.
|
|
|
1009 |
*/
|
|
|
1010 |
|
|
|
1011 |
LIST ( TYPE ) expand_exceptions
|
|
|
1012 |
PROTO_N ( ( p, rec, changed ) )
|
|
|
1013 |
PROTO_T ( LIST ( TYPE ) p X int rec X int *changed )
|
|
|
1014 |
{
|
|
|
1015 |
LIST ( TYPE ) q = NULL_list ( TYPE ) ;
|
|
|
1016 |
if ( EQ_list ( p, univ_type_set ) ) {
|
|
|
1017 |
q = p ;
|
|
|
1018 |
} else if ( EQ_list ( p, empty_type_set ) ) {
|
|
|
1019 |
q = p ;
|
|
|
1020 |
} else {
|
|
|
1021 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
1022 |
TYPE s1 = DEREF_type ( HEAD_list ( p ) ) ;
|
|
|
1023 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1024 |
if ( !EQ_type ( s1, s2 ) ) {
|
|
|
1025 |
s2 = check_except_type ( s2, 0 ) ;
|
|
|
1026 |
*changed = 1 ;
|
|
|
1027 |
}
|
|
|
1028 |
CONS_type ( s2, q, q ) ;
|
|
|
1029 |
p = TAIL_list ( p ) ;
|
|
|
1030 |
}
|
|
|
1031 |
q = REVERSE_list ( q ) ;
|
|
|
1032 |
}
|
|
|
1033 |
return ( q ) ;
|
|
|
1034 |
}
|
|
|
1035 |
|
|
|
1036 |
|
|
|
1037 |
/*
|
|
|
1038 |
EXPAND A FUNCTION TYPE
|
|
|
1039 |
|
|
|
1040 |
This routine is a special case of expand_type which deals with
|
|
|
1041 |
function types. rec will not be zero.
|
|
|
1042 |
*/
|
|
|
1043 |
|
|
|
1044 |
static TYPE expand_func_type
|
|
|
1045 |
PROTO_N ( ( t, rec ) )
|
|
|
1046 |
PROTO_T ( TYPE t X int rec )
|
|
|
1047 |
{
|
|
|
1048 |
int mf = 0 ;
|
|
|
1049 |
int expanded = 0 ;
|
|
|
1050 |
TYPE r1 = DEREF_type ( type_func_ret ( t ) ) ;
|
|
|
1051 |
TYPE r2 ;
|
|
|
1052 |
LIST ( TYPE ) p1 = DEREF_list ( type_func_ptypes ( t ) ) ;
|
|
|
1053 |
LIST ( TYPE ) p2 ;
|
|
|
1054 |
LIST ( TYPE ) m1 = DEREF_list ( type_func_mtypes ( t ) ) ;
|
|
|
1055 |
LIST ( TYPE ) m2 = NULL_list ( TYPE ) ;
|
|
|
1056 |
LIST ( TYPE ) e1 = DEREF_list ( type_func_except ( t ) ) ;
|
|
|
1057 |
LIST ( TYPE ) e2 ;
|
|
|
1058 |
if ( !EQ_list ( p1, m1 ) ) {
|
|
|
1059 |
if ( !IS_NULL_list ( m1 ) && EQ_list ( p1, TAIL_list ( m1 ) ) ) {
|
|
|
1060 |
/* Normal member function type */
|
|
|
1061 |
mf = 1 ;
|
|
|
1062 |
} else {
|
|
|
1063 |
/* Swapped member function type */
|
|
|
1064 |
mf = -1 ;
|
|
|
1065 |
m1 = p1 ;
|
|
|
1066 |
}
|
|
|
1067 |
}
|
|
|
1068 |
|
|
|
1069 |
/* Copy return type */
|
|
|
1070 |
r2 = expand_type ( r1, rec ) ;
|
|
|
1071 |
if ( !EQ_type ( r1, r2 ) ) expanded = 1 ;
|
|
|
1072 |
|
|
|
1073 |
/* Copy parameter types */
|
|
|
1074 |
while ( !IS_NULL_list ( m1 ) ) {
|
|
|
1075 |
TYPE s1 = DEREF_type ( HEAD_list ( m1 ) ) ;
|
|
|
1076 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1077 |
if ( !EQ_type ( s1, s2 ) ) expanded = 1 ;
|
|
|
1078 |
CONS_type ( s2, m2, m2 ) ;
|
|
|
1079 |
m1 = TAIL_list ( m1 ) ;
|
|
|
1080 |
}
|
|
|
1081 |
m2 = REVERSE_list ( m2 ) ;
|
|
|
1082 |
|
|
|
1083 |
/* Copy exception types */
|
|
|
1084 |
e2 = expand_exceptions ( e1, rec, &expanded ) ;
|
|
|
1085 |
|
|
|
1086 |
/* Check for default arguments */
|
|
|
1087 |
if ( !expanded ) {
|
|
|
1088 |
LIST ( IDENTIFIER ) pids = DEREF_list ( type_func_pids ( t ) ) ;
|
|
|
1089 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
1090 |
IDENTIFIER id = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1091 |
EXP e = DEREF_exp ( id_parameter_init ( id ) ) ;
|
|
|
1092 |
if ( !IS_NULL_exp ( e ) ) {
|
|
|
1093 |
if ( depends_on_exp ( e, any_token_param, 0 ) ) {
|
|
|
1094 |
/* Needs expansion */
|
|
|
1095 |
expanded = 1 ;
|
|
|
1096 |
break ;
|
|
|
1097 |
}
|
|
|
1098 |
}
|
|
|
1099 |
pids = TAIL_list ( pids ) ;
|
|
|
1100 |
}
|
|
|
1101 |
}
|
|
|
1102 |
|
|
|
1103 |
/* Expand remaining items */
|
|
|
1104 |
if ( expanded ) {
|
|
|
1105 |
CV_SPEC cv = DEREF_cv ( type_qual ( t ) ) ;
|
|
|
1106 |
CV_SPEC mq = DEREF_cv ( type_func_mqual ( t ) ) ;
|
|
|
1107 |
int ell = DEREF_int ( type_func_ellipsis ( t ) ) ;
|
|
|
1108 |
NAMESPACE pars = DEREF_nspace ( type_func_pars ( t ) ) ;
|
|
|
1109 |
LIST ( IDENTIFIER ) pids = DEREF_list ( type_func_pids ( t ) ) ;
|
|
|
1110 |
LIST ( IDENTIFIER ) qids = NULL_list ( IDENTIFIER ) ;
|
|
|
1111 |
|
|
|
1112 |
/* Copy parameters */
|
|
|
1113 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
1114 |
TYPE s ;
|
|
|
1115 |
IDENTIFIER id = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1116 |
IDENTIFIER lid = chase_alias ( id ) ;
|
|
|
1117 |
EXP e = DEREF_exp ( id_parameter_init ( id ) ) ;
|
|
|
1118 |
id = copy_id ( id, 2 ) ;
|
|
|
1119 |
COPY_id ( id_alias ( id ), lid ) ;
|
|
|
1120 |
s = DEREF_type ( id_parameter_type ( id ) ) ;
|
|
|
1121 |
check_par_decl ( s, id, CONTEXT_WEAK_PARAM ) ;
|
|
|
1122 |
if ( !IS_NULL_exp ( e ) ) {
|
|
|
1123 |
/* Copy default argument */
|
|
|
1124 |
EXP d ;
|
|
|
1125 |
e = expand_exp ( e, rec, 0 ) ;
|
|
|
1126 |
e = init_general ( s, e, id, 0 ) ;
|
|
|
1127 |
d = destroy_general ( s, id ) ;
|
|
|
1128 |
COPY_exp ( id_parameter_term ( id ), d ) ;
|
|
|
1129 |
COPY_exp ( id_parameter_init ( id ), e ) ;
|
|
|
1130 |
}
|
|
|
1131 |
CONS_id ( id, qids, qids ) ;
|
|
|
1132 |
pids = TAIL_list ( pids ) ;
|
|
|
1133 |
}
|
|
|
1134 |
qids = REVERSE_list ( qids ) ;
|
|
|
1135 |
|
|
|
1136 |
/* Form function type */
|
|
|
1137 |
if ( mf == 0 ) {
|
|
|
1138 |
p2 = m2 ;
|
|
|
1139 |
} else if ( mf == 1 ) {
|
|
|
1140 |
p2 = TAIL_list ( m2 ) ;
|
|
|
1141 |
} else {
|
|
|
1142 |
p2 = m2 ;
|
|
|
1143 |
m2 = TAIL_list ( p2 ) ;
|
|
|
1144 |
}
|
|
|
1145 |
MAKE_type_func ( cv, NULL_type, p2, ell, mq, m2, pars, qids, e2, t ) ;
|
|
|
1146 |
t = inject_pre_type ( t, r2, 0 ) ;
|
|
|
1147 |
} else {
|
|
|
1148 |
/* Free unused type lists */
|
|
|
1149 |
if ( !EQ_list ( m2, m1 ) ) DESTROY_list ( m2, SIZE_type ) ;
|
|
|
1150 |
if ( !EQ_list ( e2, e1 ) ) DESTROY_list ( e2, SIZE_type ) ;
|
|
|
1151 |
}
|
|
|
1152 |
return ( t ) ;
|
|
|
1153 |
}
|
|
|
1154 |
|
|
|
1155 |
|
|
|
1156 |
/*
|
|
|
1157 |
RESCAN A CLASS NAME
|
|
|
1158 |
|
|
|
1159 |
This routine expands the class type ct by rescanning its name in the
|
|
|
1160 |
current context. It returns the null type if the result is not a
|
|
|
1161 |
type name.
|
|
|
1162 |
*/
|
|
|
1163 |
|
|
|
1164 |
static TYPE rescan_class
|
|
|
1165 |
PROTO_N ( ( ct ) )
|
|
|
1166 |
PROTO_T ( CLASS_TYPE ct )
|
|
|
1167 |
{
|
|
|
1168 |
IDENTIFIER cid = DEREF_id ( ctype_name ( ct ) ) ;
|
|
|
1169 |
TYPE t = find_typename ( cid, NULL_list ( TOKEN ), btype_none, 1 ) ;
|
|
|
1170 |
return ( t ) ;
|
|
|
1171 |
}
|
|
|
1172 |
|
|
|
1173 |
|
|
|
1174 |
/*
|
|
|
1175 |
RESCAN AN ENUMERATION NAME
|
|
|
1176 |
|
|
|
1177 |
This routine expands the enumeration type et by rescanning its name
|
|
|
1178 |
in the current context. It returns the null type if the result is
|
|
|
1179 |
not a type name.
|
|
|
1180 |
*/
|
|
|
1181 |
|
|
|
1182 |
static TYPE rescan_enum
|
|
|
1183 |
PROTO_N ( ( et ) )
|
|
|
1184 |
PROTO_T ( ENUM_TYPE et )
|
|
|
1185 |
{
|
|
|
1186 |
IDENTIFIER eid = DEREF_id ( etype_name ( et ) ) ;
|
|
|
1187 |
TYPE t = find_typename ( eid, NULL_list ( TOKEN ), btype_none, 1 ) ;
|
|
|
1188 |
return ( t ) ;
|
|
|
1189 |
}
|
|
|
1190 |
|
|
|
1191 |
|
|
|
1192 |
/*
|
|
|
1193 |
EXPAND A CLASS TYPE
|
|
|
1194 |
|
|
|
1195 |
This routine expands any token definitions in the class type ct.
|
|
|
1196 |
rec is as above. The null class is returned if the result is not
|
|
|
1197 |
a class type with the actual type being assigned to pt.
|
|
|
1198 |
*/
|
|
|
1199 |
|
|
|
1200 |
CLASS_TYPE expand_ctype
|
|
|
1201 |
PROTO_N ( ( ct, rec, pt ) )
|
|
|
1202 |
PROTO_T ( CLASS_TYPE ct X int rec X TYPE *pt )
|
|
|
1203 |
{
|
|
|
1204 |
if ( rec >= 0 ) {
|
|
|
1205 |
TYPE s = NULL_type ;
|
|
|
1206 |
TYPE t = DEREF_type ( ctype_form ( ct ) ) ;
|
|
|
1207 |
if ( !IS_NULL_type ( t ) ) {
|
|
|
1208 |
if ( IS_type_token ( t ) ) {
|
|
|
1209 |
IDENTIFIER id = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
1210 |
LIST ( TOKEN ) p = DEREF_list ( type_token_args ( t ) ) ;
|
|
|
1211 |
if ( IS_id_token ( id ) ) {
|
|
|
1212 |
/* Tokenised classes */
|
|
|
1213 |
s = expand_type ( t, rec ) ;
|
|
|
1214 |
} else if ( rec ) {
|
|
|
1215 |
/* Template classes */
|
|
|
1216 |
p = expand_args ( p, rec, 0 ) ;
|
|
|
1217 |
if ( !IS_NULL_list ( p ) ) {
|
|
|
1218 |
/* Template class instance */
|
|
|
1219 |
id = instance_type ( id, p, 0, 1 ) ;
|
|
|
1220 |
s = DEREF_type ( id_class_name_defn ( id ) ) ;
|
|
|
1221 |
while ( IS_type_templ ( s ) ) {
|
|
|
1222 |
s = DEREF_type ( type_templ_defn ( s ) ) ;
|
|
|
1223 |
}
|
|
|
1224 |
}
|
|
|
1225 |
}
|
|
|
1226 |
if ( EQ_type ( s, t ) ) {
|
|
|
1227 |
/* No expansion possible */
|
|
|
1228 |
return ( ct ) ;
|
|
|
1229 |
}
|
|
|
1230 |
} else if ( IS_type_instance ( t ) ) {
|
|
|
1231 |
s = rescan_class ( ct ) ;
|
|
|
1232 |
if ( EQ_type ( s, t ) ) {
|
|
|
1233 |
/* No expansion possible */
|
|
|
1234 |
return ( ct ) ;
|
|
|
1235 |
}
|
|
|
1236 |
} else {
|
|
|
1237 |
/* Recursive template classes */
|
|
|
1238 |
s = expand_type ( t, rec ) ;
|
|
|
1239 |
}
|
|
|
1240 |
} else {
|
|
|
1241 |
CLASS_INFO ci = DEREF_cinfo ( ctype_info ( ct ) ) ;
|
|
|
1242 |
if ( ci & cinfo_rescan ) s = rescan_class ( ct ) ;
|
|
|
1243 |
}
|
|
|
1244 |
if ( !IS_NULL_type ( s ) ) {
|
|
|
1245 |
if ( IS_type_compound ( s ) ) {
|
|
|
1246 |
ct = DEREF_ctype ( type_compound_defn ( s ) ) ;
|
|
|
1247 |
} else {
|
|
|
1248 |
*pt = s ;
|
|
|
1249 |
if ( is_templ_type ( s ) ) {
|
|
|
1250 |
IDENTIFIER id = DEREF_id ( type_token_tok ( s ) ) ;
|
|
|
1251 |
ct = find_class ( id ) ;
|
|
|
1252 |
} else {
|
|
|
1253 |
ct = NULL_ctype ;
|
|
|
1254 |
}
|
|
|
1255 |
}
|
|
|
1256 |
}
|
|
|
1257 |
}
|
|
|
1258 |
return ( ct ) ;
|
|
|
1259 |
}
|
|
|
1260 |
|
|
|
1261 |
|
|
|
1262 |
/*
|
|
|
1263 |
BITFIELD EXPANSION FLAG
|
|
|
1264 |
|
|
|
1265 |
This flag may be set to true to allow for zero sized bitfields in
|
|
|
1266 |
expand_type. The only way this can occur is in the expansion
|
|
|
1267 |
of an anonymous member type.
|
|
|
1268 |
*/
|
|
|
1269 |
|
|
|
1270 |
int expand_anon_bitfield = 0 ;
|
|
|
1271 |
|
|
|
1272 |
|
|
|
1273 |
/*
|
|
|
1274 |
EXPAND A TYPE TOKEN
|
|
|
1275 |
|
|
|
1276 |
This routine expands any token definitions in the type t. rec is
|
|
|
1277 |
as above.
|
|
|
1278 |
*/
|
|
|
1279 |
|
|
|
1280 |
TYPE expand_type
|
|
|
1281 |
PROTO_N ( ( t, rec ) )
|
|
|
1282 |
PROTO_T ( TYPE t X int rec )
|
|
|
1283 |
{
|
|
|
1284 |
CV_SPEC cv ;
|
|
|
1285 |
int prom = 0 ;
|
|
|
1286 |
IDENTIFIER id ;
|
|
|
1287 |
LIST ( TOKEN ) p ;
|
|
|
1288 |
if ( rec < 0 ) return ( t ) ;
|
|
|
1289 |
if ( IS_NULL_type ( t ) ) return ( NULL_type ) ;
|
|
|
1290 |
cv = DEREF_cv ( type_qual ( t ) ) ;
|
|
|
1291 |
ASSERT ( ORDER_type == 18 ) ;
|
|
|
1292 |
switch ( TAG_type ( t ) ) {
|
|
|
1293 |
|
|
|
1294 |
case type_integer_tag : {
|
|
|
1295 |
/* Integral types */
|
|
|
1296 |
INT_TYPE it = DEREF_itype ( type_integer_rep ( t ) ) ;
|
|
|
1297 |
unsigned tag = TAG_itype ( it ) ;
|
|
|
1298 |
if ( tag == itype_arith_tag ) {
|
|
|
1299 |
/* Expand arithmetic types */
|
|
|
1300 |
INT_TYPE ir = DEREF_itype ( itype_arith_arg1 ( it ) ) ;
|
|
|
1301 |
INT_TYPE is = DEREF_itype ( itype_arith_arg2 ( it ) ) ;
|
|
|
1302 |
TYPE r1 = DEREF_type ( itype_prom ( ir ) ) ;
|
|
|
1303 |
TYPE r2 = expand_type ( r1, rec ) ;
|
|
|
1304 |
TYPE s1 = DEREF_type ( itype_prom ( is ) ) ;
|
|
|
1305 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1306 |
if ( !EQ_type ( r1, r2 ) || !EQ_type ( s1, s2 ) ) {
|
|
|
1307 |
t = arith_type ( r2, s2, NULL_exp, NULL_exp ) ;
|
|
|
1308 |
if ( cv ) t = qualify_type ( t, cv, 0 ) ;
|
|
|
1309 |
}
|
|
|
1310 |
} else {
|
|
|
1311 |
/* Expand other integral types */
|
|
|
1312 |
if ( tag == itype_promote_tag ) {
|
|
|
1313 |
it = DEREF_itype ( itype_promote_arg ( it ) ) ;
|
|
|
1314 |
tag = TAG_itype ( it ) ;
|
|
|
1315 |
prom = 1 ;
|
|
|
1316 |
}
|
|
|
1317 |
if ( tag == itype_token_tag ) {
|
|
|
1318 |
id = DEREF_id ( itype_token_tok ( it ) ) ;
|
|
|
1319 |
p = DEREF_list ( itype_token_args ( it ) ) ;
|
|
|
1320 |
goto expand_label ;
|
|
|
1321 |
}
|
|
|
1322 |
if ( tag == itype_basic_tag ) {
|
|
|
1323 |
/* Allow for special tokens */
|
|
|
1324 |
BUILTIN_TYPE n = DEREF_ntype ( itype_basic_no ( it ) ) ;
|
|
|
1325 |
id = get_special ( base_token [n].tok, 0 ) ;
|
|
|
1326 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
1327 |
p = NULL_list ( TOKEN ) ;
|
|
|
1328 |
goto expand_label ;
|
|
|
1329 |
}
|
|
|
1330 |
}
|
|
|
1331 |
}
|
|
|
1332 |
break ;
|
|
|
1333 |
}
|
|
|
1334 |
|
|
|
1335 |
case type_floating_tag : {
|
|
|
1336 |
/* Floating point types */
|
|
|
1337 |
FLOAT_TYPE ft = DEREF_ftype ( type_floating_rep ( t ) ) ;
|
|
|
1338 |
unsigned tag = TAG_ftype ( ft ) ;
|
|
|
1339 |
if ( tag == ftype_arith_tag ) {
|
|
|
1340 |
/* Expand arithmetic types */
|
|
|
1341 |
FLOAT_TYPE fr = DEREF_ftype ( ftype_arith_arg1 ( ft ) ) ;
|
|
|
1342 |
FLOAT_TYPE fs = DEREF_ftype ( ftype_arith_arg2 ( ft ) ) ;
|
|
|
1343 |
TYPE r1 = make_ftype ( fr, NULL_ftype ) ;
|
|
|
1344 |
TYPE r2 = expand_type ( r1, rec ) ;
|
|
|
1345 |
TYPE s1 = make_ftype ( fs, NULL_ftype ) ;
|
|
|
1346 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1347 |
if ( !EQ_type ( r1, r2 ) || !EQ_type ( s1, s2 ) ) {
|
|
|
1348 |
t = arith_type ( r2, s2, NULL_exp, NULL_exp ) ;
|
|
|
1349 |
if ( cv ) t = qualify_type ( t, cv, 0 ) ;
|
|
|
1350 |
}
|
|
|
1351 |
} else {
|
|
|
1352 |
/* Expand other floating point types */
|
|
|
1353 |
if ( tag == ftype_arg_promote_tag ) {
|
|
|
1354 |
ft = DEREF_ftype ( ftype_arg_promote_arg ( ft ) ) ;
|
|
|
1355 |
tag = TAG_ftype ( ft ) ;
|
|
|
1356 |
prom = 2 ;
|
|
|
1357 |
}
|
|
|
1358 |
if ( tag == ftype_token_tag ) {
|
|
|
1359 |
id = DEREF_id ( ftype_token_tok ( ft ) ) ;
|
|
|
1360 |
p = DEREF_list ( ftype_token_args ( ft ) ) ;
|
|
|
1361 |
goto expand_label ;
|
|
|
1362 |
}
|
|
|
1363 |
}
|
|
|
1364 |
break ;
|
|
|
1365 |
}
|
|
|
1366 |
|
|
|
1367 |
case type_ptr_tag : {
|
|
|
1368 |
/* Pointer types */
|
|
|
1369 |
if ( rec ) {
|
|
|
1370 |
TYPE s1 = DEREF_type ( type_ptr_sub ( t ) ) ;
|
|
|
1371 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1372 |
if ( !EQ_type ( s1, s2 ) ) {
|
|
|
1373 |
if ( TAG_type ( s1 ) == TAG_type ( s2 ) ) {
|
|
|
1374 |
/* Don't check in this case */
|
|
|
1375 |
MAKE_type_ptr ( cv, s2, t ) ;
|
|
|
1376 |
} else {
|
|
|
1377 |
MAKE_type_ptr ( cv, NULL_type, t ) ;
|
|
|
1378 |
t = inject_pre_type ( t, s2, 0 ) ;
|
|
|
1379 |
}
|
|
|
1380 |
}
|
|
|
1381 |
}
|
|
|
1382 |
break ;
|
|
|
1383 |
}
|
|
|
1384 |
|
|
|
1385 |
case type_ref_tag : {
|
|
|
1386 |
/* Reference types */
|
|
|
1387 |
if ( rec ) {
|
|
|
1388 |
TYPE s1 = DEREF_type ( type_ref_sub ( t ) ) ;
|
|
|
1389 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1390 |
if ( !EQ_type ( s1, s2 ) ) {
|
|
|
1391 |
MAKE_type_ref ( cv, NULL_type, t ) ;
|
|
|
1392 |
t = inject_pre_type ( t, s2, 0 ) ;
|
|
|
1393 |
}
|
|
|
1394 |
}
|
|
|
1395 |
break ;
|
|
|
1396 |
}
|
|
|
1397 |
|
|
|
1398 |
case type_ptr_mem_tag : {
|
|
|
1399 |
/* Pointer to member types */
|
|
|
1400 |
if ( rec ) {
|
|
|
1401 |
TYPE r2 = NULL_type ;
|
|
|
1402 |
CLASS_TYPE c1 = DEREF_ctype ( type_ptr_mem_of ( t ) ) ;
|
|
|
1403 |
CLASS_TYPE c2 = expand_ctype ( c1, rec, &r2 ) ;
|
|
|
1404 |
TYPE s1 = DEREF_type ( type_ptr_mem_sub ( t ) ) ;
|
|
|
1405 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1406 |
if ( !EQ_ctype ( c1, c2 ) ) {
|
|
|
1407 |
if ( IS_NULL_ctype ( c2 ) ) {
|
|
|
1408 |
/* Illegal class type expansion */
|
|
|
1409 |
report ( crt_loc, ERR_dcl_mptr_class ( r2 ) ) ;
|
|
|
1410 |
MAKE_type_ptr ( cv, NULL_type, t ) ;
|
|
|
1411 |
} else {
|
|
|
1412 |
MAKE_type_ptr_mem ( cv, c2, NULL_type, t ) ;
|
|
|
1413 |
}
|
|
|
1414 |
t = inject_pre_type ( t, s2, 0 ) ;
|
|
|
1415 |
} else if ( !EQ_type ( s1, s2 ) ) {
|
|
|
1416 |
MAKE_type_ptr_mem ( cv, c1, NULL_type, t ) ;
|
|
|
1417 |
t = inject_pre_type ( t, s2, 0 ) ;
|
|
|
1418 |
}
|
|
|
1419 |
}
|
|
|
1420 |
break ;
|
|
|
1421 |
}
|
|
|
1422 |
|
|
|
1423 |
case type_func_tag : {
|
|
|
1424 |
/* Function types */
|
|
|
1425 |
if ( rec ) t = expand_func_type ( t, rec ) ;
|
|
|
1426 |
break ;
|
|
|
1427 |
}
|
|
|
1428 |
|
|
|
1429 |
case type_array_tag : {
|
|
|
1430 |
/* Array types */
|
|
|
1431 |
if ( rec ) {
|
|
|
1432 |
ERROR err = NULL_err ;
|
|
|
1433 |
TYPE s1 = DEREF_type ( type_array_sub ( t ) ) ;
|
|
|
1434 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1435 |
NAT n1 = DEREF_nat ( type_array_size ( t ) ) ;
|
|
|
1436 |
NAT n2 = expand_nat ( n1, rec, 0, &err ) ;
|
|
|
1437 |
if ( !EQ_nat ( n1, n2 ) ) {
|
|
|
1438 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
1439 |
ERROR err2 = ERR_dcl_array_dim_const () ;
|
|
|
1440 |
err = concat_error ( err, err2 ) ;
|
|
|
1441 |
report ( crt_loc, err ) ;
|
|
|
1442 |
}
|
|
|
1443 |
n2 = check_array_dim ( n2 ) ;
|
|
|
1444 |
MAKE_type_array ( cv, NULL_type, n2, t ) ;
|
|
|
1445 |
t = inject_pre_type ( t, s2, 0 ) ;
|
|
|
1446 |
} else if ( !EQ_type ( s1, s2 ) ) {
|
|
|
1447 |
MAKE_type_array ( cv, NULL_type, n2, t ) ;
|
|
|
1448 |
t = inject_pre_type ( t, s2, 0 ) ;
|
|
|
1449 |
}
|
|
|
1450 |
}
|
|
|
1451 |
break ;
|
|
|
1452 |
}
|
|
|
1453 |
|
|
|
1454 |
case type_bitfield_tag : {
|
|
|
1455 |
/* Bitfield types */
|
|
|
1456 |
if ( rec ) {
|
|
|
1457 |
ERROR err = NULL_err ;
|
|
|
1458 |
INT_TYPE it = DEREF_itype ( type_bitfield_defn ( t ) ) ;
|
|
|
1459 |
TYPE s1 = DEREF_type ( itype_bitfield_sub ( it ) ) ;
|
|
|
1460 |
NAT n1 = DEREF_nat ( itype_bitfield_size ( it ) ) ;
|
|
|
1461 |
TYPE s2 = expand_type ( s1, rec ) ;
|
|
|
1462 |
NAT n2 = expand_nat ( n1, rec, 0, &err ) ;
|
|
|
1463 |
if ( !EQ_type ( s1, s2 ) || !EQ_nat ( n1, n2 ) ) {
|
|
|
1464 |
BASE_TYPE rep ;
|
|
|
1465 |
int anon = expand_anon_bitfield ;
|
|
|
1466 |
rep = DEREF_btype ( itype_bitfield_rep ( it ) ) ;
|
|
|
1467 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
1468 |
ERROR err2 = ERR_class_bit_dim_const () ;
|
|
|
1469 |
err = concat_error ( err, err2 ) ;
|
|
|
1470 |
report ( crt_loc, err ) ;
|
|
|
1471 |
}
|
|
|
1472 |
rep = get_bitfield_rep ( s2, rep ) ;
|
|
|
1473 |
t = check_bitfield_type ( cv, s2, rep, n2, anon ) ;
|
|
|
1474 |
}
|
|
|
1475 |
}
|
|
|
1476 |
break ;
|
|
|
1477 |
}
|
|
|
1478 |
|
|
|
1479 |
case type_compound_tag : {
|
|
|
1480 |
/* Class types */
|
|
|
1481 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
1482 |
TYPE s = DEREF_type ( ctype_form ( ct ) ) ;
|
|
|
1483 |
if ( !IS_NULL_type ( s ) ) {
|
|
|
1484 |
if ( IS_type_token ( s ) ) {
|
|
|
1485 |
/* Tokenised and template classes */
|
|
|
1486 |
id = DEREF_id ( type_token_tok ( s ) ) ;
|
|
|
1487 |
p = DEREF_list ( type_token_args ( s ) ) ;
|
|
|
1488 |
if ( IS_id_token ( id ) ) goto expand_label ;
|
|
|
1489 |
if ( rec ) {
|
|
|
1490 |
p = expand_args ( p, rec, 0 ) ;
|
|
|
1491 |
if ( !IS_NULL_list ( p ) ) {
|
|
|
1492 |
/* Template class instance */
|
|
|
1493 |
id = instance_type ( id, p, 0, 1 ) ;
|
|
|
1494 |
t = DEREF_type ( id_class_name_defn ( id ) ) ;
|
|
|
1495 |
while ( IS_type_templ ( t ) ) {
|
|
|
1496 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1497 |
}
|
|
|
1498 |
if ( cv ) t = qualify_type ( t, cv, 0 ) ;
|
|
|
1499 |
}
|
|
|
1500 |
}
|
|
|
1501 |
} else if ( IS_type_instance ( s ) ) {
|
|
|
1502 |
s = rescan_class ( ct ) ;
|
|
|
1503 |
if ( !IS_NULL_type ( s ) ) {
|
|
|
1504 |
t = s ;
|
|
|
1505 |
if ( cv ) t = qualify_type ( t, cv, 0 ) ;
|
|
|
1506 |
}
|
|
|
1507 |
} else {
|
|
|
1508 |
/* Recursive template classes */
|
|
|
1509 |
t = expand_type ( s, rec ) ;
|
|
|
1510 |
if ( cv ) t = qualify_type ( t, cv, 0 ) ;
|
|
|
1511 |
}
|
|
|
1512 |
} else {
|
|
|
1513 |
CLASS_INFO ci = DEREF_cinfo ( ctype_info ( ct ) ) ;
|
|
|
1514 |
if ( ci & cinfo_rescan ) {
|
|
|
1515 |
/* Force rescan */
|
|
|
1516 |
s = rescan_class ( ct ) ;
|
|
|
1517 |
if ( !IS_NULL_type ( s ) ) {
|
|
|
1518 |
t = s ;
|
|
|
1519 |
if ( cv ) t = qualify_type ( t, cv, 0 ) ;
|
|
|
1520 |
}
|
|
|
1521 |
}
|
|
|
1522 |
}
|
|
|
1523 |
break ;
|
|
|
1524 |
}
|
|
|
1525 |
|
|
|
1526 |
case type_enumerate_tag : {
|
|
|
1527 |
/* Enumeration types */
|
|
|
1528 |
ENUM_TYPE et = DEREF_etype ( type_enumerate_defn ( t ) ) ;
|
|
|
1529 |
CLASS_INFO ei = DEREF_cinfo ( etype_info ( et ) ) ;
|
|
|
1530 |
if ( ei & cinfo_rescan ) {
|
|
|
1531 |
/* Force rescan */
|
|
|
1532 |
TYPE s = rescan_enum ( et ) ;
|
|
|
1533 |
if ( !IS_NULL_type ( s ) ) {
|
|
|
1534 |
t = s ;
|
|
|
1535 |
if ( cv ) t = qualify_type ( t, cv, 0 ) ;
|
|
|
1536 |
}
|
|
|
1537 |
}
|
|
|
1538 |
break ;
|
|
|
1539 |
}
|
|
|
1540 |
|
|
|
1541 |
case type_token_tag : {
|
|
|
1542 |
/* Tokenised types */
|
|
|
1543 |
id = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
1544 |
p = DEREF_list ( type_token_args ( t ) ) ;
|
|
|
1545 |
expand_label : {
|
|
|
1546 |
TOKEN tok ;
|
|
|
1547 |
unsigned tag ;
|
|
|
1548 |
DECL_SPEC ds ;
|
|
|
1549 |
IDENTIFIER aid ;
|
|
|
1550 |
int changed = 0 ;
|
|
|
1551 |
if ( !IS_id_token ( id ) ) break ;
|
|
|
1552 |
aid = DEREF_id ( id_alias ( id ) ) ;
|
|
|
1553 |
if ( !EQ_id ( id, aid ) ) {
|
|
|
1554 |
/* Replace token by its alias */
|
|
|
1555 |
t = apply_type_token ( aid, p, NULL_id ) ;
|
|
|
1556 |
changed = 1 ;
|
|
|
1557 |
id = aid ;
|
|
|
1558 |
}
|
|
|
1559 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1560 |
tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1561 |
tag = TAG_tok ( tok ) ;
|
|
|
1562 |
if ( tag == tok_proc_tag ) {
|
|
|
1563 |
if ( rec ) {
|
|
|
1564 |
/* Expand token arguments */
|
|
|
1565 |
p = expand_args ( p, rec, 0 ) ;
|
|
|
1566 |
if ( !IS_NULL_list ( p ) ) {
|
|
|
1567 |
t = apply_type_token ( id, p, NULL_id ) ;
|
|
|
1568 |
changed = 1 ;
|
|
|
1569 |
}
|
|
|
1570 |
}
|
|
|
1571 |
tok = DEREF_tok ( tok_proc_res ( tok ) ) ;
|
|
|
1572 |
tag = TAG_tok ( tok ) ;
|
|
|
1573 |
}
|
|
|
1574 |
/* if ( rec == 2 && !( ds & dspec_auto ) ) break ; */
|
|
|
1575 |
if ( ds & dspec_temp ) {
|
|
|
1576 |
/* Check for recursive token expansions */
|
|
|
1577 |
report ( crt_loc, ERR_token_recursive ( id ) ) ;
|
|
|
1578 |
return ( type_error ) ;
|
|
|
1579 |
}
|
|
|
1580 |
COPY_dspec ( id_storage ( id ), ( ds | dspec_temp ) ) ;
|
|
|
1581 |
if ( tag == tok_type_tag ) {
|
|
|
1582 |
/* Tokenised type */
|
|
|
1583 |
TYPE s = DEREF_type ( tok_type_value ( tok ) ) ;
|
|
|
1584 |
if ( !IS_NULL_type ( s ) ) {
|
|
|
1585 |
/* Expand token definition */
|
|
|
1586 |
t = expand_type ( s, rec ) ;
|
|
|
1587 |
if ( ds & dspec_auto ) {
|
|
|
1588 |
COPY_type ( tok_type_value ( tok ), t ) ;
|
|
|
1589 |
}
|
|
|
1590 |
changed = 1 ;
|
|
|
1591 |
} else {
|
|
|
1592 |
BASE_TYPE bt ;
|
|
|
1593 |
bt = DEREF_btype ( tok_type_kind ( tok ) ) ;
|
|
|
1594 |
if ( bt & btype_typename ) {
|
|
|
1595 |
/* Allow for typename */
|
|
|
1596 |
s = find_typename ( id, p, bt, 0 ) ;
|
|
|
1597 |
if ( !IS_NULL_type ( s ) ) {
|
|
|
1598 |
t = expand_type ( s, rec ) ;
|
|
|
1599 |
changed = 1 ;
|
|
|
1600 |
}
|
|
|
1601 |
}
|
|
|
1602 |
}
|
|
|
1603 |
} else if ( tag == tok_class_tag ) {
|
|
|
1604 |
/* Template template parameter */
|
|
|
1605 |
aid = DEREF_id ( tok_class_value ( tok ) ) ;
|
|
|
1606 |
if ( !IS_NULL_id ( aid ) && rec ) {
|
|
|
1607 |
p = expand_args ( p, rec, 1 ) ;
|
|
|
1608 |
aid = apply_template ( aid, p, 0, 0 ) ;
|
|
|
1609 |
if ( IS_id_class_name_etc ( aid ) ) {
|
|
|
1610 |
t = DEREF_type ( id_class_name_etc_defn ( aid ) ) ;
|
|
|
1611 |
changed = 1 ;
|
|
|
1612 |
}
|
|
|
1613 |
}
|
|
|
1614 |
}
|
|
|
1615 |
if ( changed ) {
|
|
|
1616 |
/* Qualify modified type */
|
|
|
1617 |
if ( prom == 1 ) {
|
|
|
1618 |
t = promote_type ( t ) ;
|
|
|
1619 |
} else if ( prom == 2 ) {
|
|
|
1620 |
t = arg_promote_type ( t, KILL_err ) ;
|
|
|
1621 |
}
|
|
|
1622 |
if ( cv ) {
|
|
|
1623 |
CV_SPEC qual = DEREF_cv ( type_qual ( t ) ) ;
|
|
|
1624 |
t = qualify_type ( t, ( qual | cv ), 0 ) ;
|
|
|
1625 |
}
|
|
|
1626 |
}
|
|
|
1627 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
1628 |
}
|
|
|
1629 |
break ;
|
|
|
1630 |
}
|
|
|
1631 |
|
|
|
1632 |
case type_templ_tag : {
|
|
|
1633 |
/* Template types */
|
|
|
1634 |
t = expand_templ_type ( t, rec ) ;
|
|
|
1635 |
break ;
|
|
|
1636 |
}
|
|
|
1637 |
}
|
|
|
1638 |
return ( t ) ;
|
|
|
1639 |
}
|
|
|
1640 |
|
|
|
1641 |
|
|
|
1642 |
/*
|
|
|
1643 |
APPLY AN EXPRESSION TOKEN
|
|
|
1644 |
|
|
|
1645 |
This routine applies the expression, statement or integer constant
|
|
|
1646 |
token id to the arguments args. If rec is true then the result
|
|
|
1647 |
type is expanded.
|
|
|
1648 |
*/
|
|
|
1649 |
|
|
|
1650 |
EXP apply_exp_token
|
|
|
1651 |
PROTO_N ( ( id, args, rec ) )
|
|
|
1652 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args X int rec )
|
|
|
1653 |
{
|
|
|
1654 |
EXP e ;
|
|
|
1655 |
int is_proc = 0 ;
|
|
|
1656 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1657 |
unsigned tag = TAG_tok ( tok ) ;
|
|
|
1658 |
if ( tag == tok_func_tag ) {
|
|
|
1659 |
tok = func_proc_token ( tok ) ;
|
|
|
1660 |
tag = TAG_tok ( tok ) ;
|
|
|
1661 |
}
|
|
|
1662 |
if ( tag == tok_proc_tag ) {
|
|
|
1663 |
is_proc = 1 ;
|
|
|
1664 |
tok = DEREF_tok ( tok_proc_res ( tok ) ) ;
|
|
|
1665 |
tag = TAG_tok ( tok ) ;
|
|
|
1666 |
}
|
|
|
1667 |
switch ( tag ) {
|
|
|
1668 |
case tok_exp_tag : {
|
|
|
1669 |
/* Expression tokens */
|
|
|
1670 |
int pt = in_proc_token ;
|
|
|
1671 |
TYPE t = DEREF_type ( tok_exp_type ( tok ) ) ;
|
|
|
1672 |
int c = DEREF_int ( tok_exp_constant ( tok ) ) ;
|
|
|
1673 |
if ( rec > 0 ) {
|
|
|
1674 |
t = expand_type ( t, rec ) ;
|
|
|
1675 |
} else if ( pt ) {
|
|
|
1676 |
in_proc_token = 0 ;
|
|
|
1677 |
t = expand_type ( t, 2 ) ;
|
|
|
1678 |
in_proc_token = pt ;
|
|
|
1679 |
}
|
|
|
1680 |
t = convert_qual_type ( t ) ;
|
|
|
1681 |
MAKE_exp_token ( t, id, args, e ) ;
|
|
|
1682 |
if ( c ) {
|
|
|
1683 |
/* Check for integer constant tokens */
|
|
|
1684 |
unsigned tt = TAG_type ( t ) ;
|
|
|
1685 |
if ( tt == type_integer_tag || tt == type_enumerate_tag ) {
|
|
|
1686 |
NAT n ;
|
|
|
1687 |
MAKE_nat_calc ( e, n ) ;
|
|
|
1688 |
MAKE_exp_int_lit ( t, n, exp_token_tag, e ) ;
|
|
|
1689 |
}
|
|
|
1690 |
} else {
|
|
|
1691 |
/* Allow for exceptions */
|
|
|
1692 |
if ( is_proc ) {
|
|
|
1693 |
IGNORE check_throw ( NULL_type, 0 ) ;
|
|
|
1694 |
}
|
|
|
1695 |
}
|
|
|
1696 |
break ;
|
|
|
1697 |
}
|
|
|
1698 |
case tok_stmt_tag : {
|
|
|
1699 |
/* Statement tokens */
|
|
|
1700 |
MAKE_exp_token ( type_void, id, args, e ) ;
|
|
|
1701 |
while ( !IS_NULL_list ( args ) ) {
|
|
|
1702 |
TOKEN arg = DEREF_tok ( HEAD_list ( args ) ) ;
|
|
|
1703 |
if ( IS_tok_stmt ( arg ) ) {
|
|
|
1704 |
/* Set parent statement for arguments */
|
|
|
1705 |
EXP a = DEREF_exp ( tok_stmt_value ( arg ) ) ;
|
|
|
1706 |
set_parent_stmt ( a, e ) ;
|
|
|
1707 |
}
|
|
|
1708 |
args = TAIL_list ( args ) ;
|
|
|
1709 |
}
|
|
|
1710 |
IGNORE check_throw ( NULL_type, 0 ) ;
|
|
|
1711 |
break ;
|
|
|
1712 |
}
|
|
|
1713 |
case tok_nat_tag :
|
|
|
1714 |
case tok_snat_tag : {
|
|
|
1715 |
/* Integer constant tokens */
|
|
|
1716 |
NAT n ;
|
|
|
1717 |
MAKE_nat_token ( id, args, n ) ;
|
|
|
1718 |
MAKE_exp_int_lit ( type_sint, n, exp_token_tag, e ) ;
|
|
|
1719 |
break ;
|
|
|
1720 |
}
|
|
|
1721 |
default : {
|
|
|
1722 |
/* Other tokens */
|
|
|
1723 |
e = NULL_exp ;
|
|
|
1724 |
break ;
|
|
|
1725 |
}
|
|
|
1726 |
}
|
|
|
1727 |
return ( e ) ;
|
|
|
1728 |
}
|
|
|
1729 |
|
|
|
1730 |
|
|
|
1731 |
/*
|
|
|
1732 |
APPLY AN INTEGER CONSTANT TOKEN
|
|
|
1733 |
|
|
|
1734 |
This routine applies the integer constant token id to the arguments args.
|
|
|
1735 |
*/
|
|
|
1736 |
|
|
|
1737 |
NAT apply_nat_token
|
|
|
1738 |
PROTO_N ( ( id, args ) )
|
|
|
1739 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args )
|
|
|
1740 |
{
|
|
|
1741 |
NAT n ;
|
|
|
1742 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1743 |
unsigned tag = TAG_tok ( tok ) ;
|
|
|
1744 |
if ( tag == tok_proc_tag ) {
|
|
|
1745 |
tok = DEREF_tok ( tok_proc_res ( tok ) ) ;
|
|
|
1746 |
tag = TAG_tok ( tok ) ;
|
|
|
1747 |
}
|
|
|
1748 |
if ( tag == tok_nat_tag || tag == tok_snat_tag ) {
|
|
|
1749 |
MAKE_nat_token ( id, args, n ) ;
|
|
|
1750 |
} else {
|
|
|
1751 |
n = NULL_nat ;
|
|
|
1752 |
}
|
|
|
1753 |
return ( n ) ;
|
|
|
1754 |
}
|
|
|
1755 |
|
|
|
1756 |
|
|
|
1757 |
/*
|
|
|
1758 |
APPLY A BUILT-IN TYPE TOKEN
|
|
|
1759 |
|
|
|
1760 |
Certain language extensions are implemented as built-in tokens (see
|
|
|
1761 |
define_keyword). This routine applies such a token, given by the
|
|
|
1762 |
keyword lex, to the arguments args.
|
|
|
1763 |
*/
|
|
|
1764 |
|
|
|
1765 |
static TYPE key_type_token
|
|
|
1766 |
PROTO_N ( ( lex, args ) )
|
|
|
1767 |
PROTO_T ( int lex X LIST ( TOKEN ) args )
|
|
|
1768 |
{
|
|
|
1769 |
TYPE t = NULL_type ;
|
|
|
1770 |
switch ( lex ) {
|
|
|
1771 |
case lex_representation : {
|
|
|
1772 |
TOKEN arg = DEREF_tok ( HEAD_list ( args ) ) ;
|
|
|
1773 |
t = DEREF_type ( tok_type_value ( arg ) ) ;
|
|
|
1774 |
if ( !IS_NULL_type ( t ) && IS_type_integer ( t ) ) {
|
|
|
1775 |
TYPE s ;
|
|
|
1776 |
args = TAIL_list ( args ) ;
|
|
|
1777 |
arg = DEREF_tok ( HEAD_list ( args ) ) ;
|
|
|
1778 |
s = DEREF_type ( tok_type_value ( arg ) ) ;
|
|
|
1779 |
if ( !IS_NULL_type ( s ) && IS_type_integer ( s ) ) {
|
|
|
1780 |
INT_TYPE it = DEREF_itype ( type_integer_rep ( t ) ) ;
|
|
|
1781 |
INT_TYPE is = DEREF_itype ( type_integer_rep ( s ) ) ;
|
|
|
1782 |
t = make_itype ( it, is ) ;
|
|
|
1783 |
}
|
|
|
1784 |
}
|
|
|
1785 |
break ;
|
|
|
1786 |
}
|
|
|
1787 |
case lex_typeof : {
|
|
|
1788 |
TOKEN arg = DEREF_tok ( HEAD_list ( args ) ) ;
|
|
|
1789 |
EXP e = DEREF_exp ( tok_exp_value ( arg ) ) ;
|
|
|
1790 |
if ( !IS_NULL_exp ( e ) ) {
|
|
|
1791 |
t = DEREF_type ( exp_type ( e ) ) ;
|
|
|
1792 |
if ( IS_type_bitfield ( t ) ) {
|
|
|
1793 |
t = promote_type ( t ) ;
|
|
|
1794 |
}
|
|
|
1795 |
}
|
|
|
1796 |
break ;
|
|
|
1797 |
}
|
|
|
1798 |
}
|
|
|
1799 |
return ( t ) ;
|
|
|
1800 |
}
|
|
|
1801 |
|
|
|
1802 |
|
|
|
1803 |
/*
|
|
|
1804 |
APPLY A TYPE TOKEN
|
|
|
1805 |
|
|
|
1806 |
This routine applies the type token id to the arguments args. tid
|
|
|
1807 |
gives the name, if any, to be given to any class created.
|
|
|
1808 |
*/
|
|
|
1809 |
|
|
|
1810 |
TYPE apply_type_token
|
|
|
1811 |
PROTO_N ( ( id, args, tid ) )
|
|
|
1812 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args X IDENTIFIER tid )
|
|
|
1813 |
{
|
|
|
1814 |
TYPE t ;
|
|
|
1815 |
int pt = in_proc_token ;
|
|
|
1816 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1817 |
unsigned tag = TAG_tok ( tok ) ;
|
|
|
1818 |
if ( tag == tok_proc_tag ) {
|
|
|
1819 |
int lex = DEREF_int ( tok_proc_key ( tok ) ) ;
|
|
|
1820 |
if ( lex != lex_identifier ) {
|
|
|
1821 |
t = key_type_token ( lex, args ) ;
|
|
|
1822 |
if ( !IS_NULL_type ( t ) ) return ( t ) ;
|
|
|
1823 |
}
|
|
|
1824 |
tok = DEREF_tok ( tok_proc_res ( tok ) ) ;
|
|
|
1825 |
tag = TAG_tok ( tok ) ;
|
|
|
1826 |
}
|
|
|
1827 |
if ( tag == tok_type_tag ) {
|
|
|
1828 |
BASE_TYPE bt = DEREF_btype ( tok_type_kind ( tok ) ) ;
|
|
|
1829 |
if ( bt & btype_scalar ) {
|
|
|
1830 |
/* Scalar types */
|
|
|
1831 |
t = apply_itype_token ( id, args ) ;
|
|
|
1832 |
|
|
|
1833 |
} else if ( bt & btype_named ) {
|
|
|
1834 |
/* Structure and union types */
|
|
|
1835 |
TYPE s ;
|
|
|
1836 |
CLASS_TYPE ct ;
|
|
|
1837 |
CLASS_INFO ci ;
|
|
|
1838 |
int tq = crt_templ_qualifier ;
|
|
|
1839 |
QUALIFIER cq = crt_id_qualifier ;
|
|
|
1840 |
int td = have_type_declaration ;
|
|
|
1841 |
if ( IS_NULL_id ( tid ) ) {
|
|
|
1842 |
/* Make up class name if necessary */
|
|
|
1843 |
HASHID tnm = lookup_anon () ;
|
|
|
1844 |
tid = DEREF_id ( hashid_id ( tnm ) ) ;
|
|
|
1845 |
}
|
|
|
1846 |
|
|
|
1847 |
/* Define the class */
|
|
|
1848 |
crt_id_qualifier = qual_none ;
|
|
|
1849 |
crt_templ_qualifier = 0 ;
|
|
|
1850 |
tid = begin_class_defn ( tid, bt, cinfo_token, NULL_type ) ;
|
|
|
1851 |
if ( IS_NULL_list ( args ) ) {
|
|
|
1852 |
COPY_id ( id_token_alt ( id ), tid ) ;
|
|
|
1853 |
}
|
|
|
1854 |
t = DEREF_type ( id_class_name_etc_defn ( tid ) ) ;
|
|
|
1855 |
while ( IS_type_templ ( t ) ) {
|
|
|
1856 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1857 |
}
|
|
|
1858 |
ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
1859 |
ci = DEREF_cinfo ( ctype_info ( ct ) ) ;
|
|
|
1860 |
ci &= ~cinfo_empty ;
|
|
|
1861 |
COPY_cinfo ( ctype_info ( ct ), ci ) ;
|
|
|
1862 |
MAKE_type_token ( cv_none, id, args, s ) ;
|
|
|
1863 |
COPY_type ( ctype_form ( ct ), s ) ;
|
|
|
1864 |
in_class_defn++ ;
|
|
|
1865 |
really_in_class_defn++ ;
|
|
|
1866 |
IGNORE end_class_defn ( tid ) ;
|
|
|
1867 |
really_in_class_defn-- ;
|
|
|
1868 |
in_class_defn-- ;
|
|
|
1869 |
have_type_declaration = td ;
|
|
|
1870 |
crt_templ_qualifier = tq ;
|
|
|
1871 |
crt_id_qualifier = cq ;
|
|
|
1872 |
|
|
|
1873 |
} else {
|
|
|
1874 |
/* Generic types */
|
|
|
1875 |
MAKE_type_token ( cv_none, id, args, t ) ;
|
|
|
1876 |
}
|
|
|
1877 |
} else {
|
|
|
1878 |
/* Shouldn't occur */
|
|
|
1879 |
t = type_error ;
|
|
|
1880 |
}
|
|
|
1881 |
if ( pt ) {
|
|
|
1882 |
/* Expand token arguments */
|
|
|
1883 |
in_proc_token = 0 ;
|
|
|
1884 |
t = expand_type ( t, 2 ) ;
|
|
|
1885 |
in_proc_token = pt ;
|
|
|
1886 |
}
|
|
|
1887 |
return ( t ) ;
|
|
|
1888 |
}
|
|
|
1889 |
|
|
|
1890 |
|
|
|
1891 |
/*
|
|
|
1892 |
APPLY A MEMBER TOKEN
|
|
|
1893 |
|
|
|
1894 |
This routine applies the member token id to the arguments args.
|
|
|
1895 |
*/
|
|
|
1896 |
|
|
|
1897 |
OFFSET apply_mem_token
|
|
|
1898 |
PROTO_N ( ( id, args ) )
|
|
|
1899 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args )
|
|
|
1900 |
{
|
|
|
1901 |
OFFSET off ;
|
|
|
1902 |
MAKE_off_token ( id, args, off ) ;
|
|
|
1903 |
return ( off ) ;
|
|
|
1904 |
}
|
|
|
1905 |
|
|
|
1906 |
|
|
|
1907 |
/*
|
|
|
1908 |
APPLY A TOKEN
|
|
|
1909 |
|
|
|
1910 |
This routine applies the token id to the arguments args.
|
|
|
1911 |
*/
|
|
|
1912 |
|
|
|
1913 |
TOKEN apply_token
|
|
|
1914 |
PROTO_N ( ( id, args ) )
|
|
|
1915 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args )
|
|
|
1916 |
{
|
|
|
1917 |
TOKEN tok = NULL_tok ;
|
|
|
1918 |
TOKEN sort = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1919 |
unsigned tag = TAG_tok ( sort ) ;
|
|
|
1920 |
if ( tag == tok_proc_tag ) {
|
|
|
1921 |
sort = DEREF_tok ( tok_proc_res ( sort ) ) ;
|
|
|
1922 |
tag = TAG_tok ( sort ) ;
|
|
|
1923 |
}
|
|
|
1924 |
switch ( tag ) {
|
|
|
1925 |
case tok_exp_tag : {
|
|
|
1926 |
EXP e = apply_exp_token ( id, args, 0 ) ;
|
|
|
1927 |
TYPE t = DEREF_type ( exp_type ( e ) ) ;
|
|
|
1928 |
int c = DEREF_int ( tok_exp_constant ( sort ) ) ;
|
|
|
1929 |
MAKE_tok_exp ( t, c, e, tok ) ;
|
|
|
1930 |
break ;
|
|
|
1931 |
}
|
|
|
1932 |
case tok_nat_tag :
|
|
|
1933 |
case tok_snat_tag : {
|
|
|
1934 |
NAT n = apply_nat_token ( id, args ) ;
|
|
|
1935 |
MAKE_tok_nat_etc ( tag, n, tok ) ;
|
|
|
1936 |
break ;
|
|
|
1937 |
}
|
|
|
1938 |
case tok_stmt_tag : {
|
|
|
1939 |
EXP e = apply_exp_token ( id, args, 0 ) ;
|
|
|
1940 |
MAKE_tok_stmt ( e, tok ) ;
|
|
|
1941 |
break ;
|
|
|
1942 |
}
|
|
|
1943 |
case tok_type_tag : {
|
|
|
1944 |
TYPE t ;
|
|
|
1945 |
BASE_TYPE bt = DEREF_btype ( tok_type_kind ( sort ) ) ;
|
|
|
1946 |
t = apply_type_token ( id, args, NULL_id ) ;
|
|
|
1947 |
MAKE_tok_type ( bt, t, tok ) ;
|
|
|
1948 |
break ;
|
|
|
1949 |
}
|
|
|
1950 |
case tok_member_tag : {
|
|
|
1951 |
TYPE s = DEREF_type ( tok_member_of ( sort ) ) ;
|
|
|
1952 |
TYPE t = DEREF_type ( tok_member_type ( sort ) ) ;
|
|
|
1953 |
OFFSET off = apply_mem_token ( id, args ) ;
|
|
|
1954 |
MAKE_tok_member ( s, t, off, tok ) ;
|
|
|
1955 |
break ;
|
|
|
1956 |
}
|
|
|
1957 |
case tok_class_tag : {
|
|
|
1958 |
TYPE t = DEREF_type ( tok_class_type ( sort ) ) ;
|
|
|
1959 |
MAKE_tok_class ( t, id, tok ) ;
|
|
|
1960 |
break ;
|
|
|
1961 |
}
|
|
|
1962 |
}
|
|
|
1963 |
return ( tok ) ;
|
|
|
1964 |
}
|
|
|
1965 |
|
|
|
1966 |
|
|
|
1967 |
/*
|
|
|
1968 |
COMPARE TWO TOKENS
|
|
|
1969 |
|
|
|
1970 |
This routine compares the token sorts a and b.
|
|
|
1971 |
*/
|
|
|
1972 |
|
|
|
1973 |
static int eq_tok
|
|
|
1974 |
PROTO_N ( ( a, b ) )
|
|
|
1975 |
PROTO_T ( TOKEN a X TOKEN b )
|
|
|
1976 |
{
|
|
|
1977 |
/* Check for obvious equality */
|
|
|
1978 |
unsigned na, nb ;
|
|
|
1979 |
if ( EQ_tok ( a, b ) ) return ( 1 ) ;
|
|
|
1980 |
if ( IS_NULL_tok ( a ) ) return ( 0 ) ;
|
|
|
1981 |
if ( IS_NULL_tok ( b ) ) return ( 0 ) ;
|
|
|
1982 |
|
|
|
1983 |
/* Compare tags */
|
|
|
1984 |
na = TAG_tok ( a ) ;
|
|
|
1985 |
nb = TAG_tok ( b ) ;
|
|
|
1986 |
if ( na != nb ) return ( 0 ) ;
|
|
|
1987 |
|
|
|
1988 |
/* Compare token components */
|
|
|
1989 |
ASSERT ( ORDER_tok == 10 ) ;
|
|
|
1990 |
switch ( na ) {
|
|
|
1991 |
|
|
|
1992 |
case tok_exp_tag : {
|
|
|
1993 |
/* Expression tokens */
|
|
|
1994 |
TYPE ta = DEREF_type ( tok_exp_type ( a ) ) ;
|
|
|
1995 |
TYPE tb = DEREF_type ( tok_exp_type ( b ) ) ;
|
|
|
1996 |
CV_SPEC qa = DEREF_cv ( type_qual ( ta ) ) ;
|
|
|
1997 |
CV_SPEC qb = DEREF_cv ( type_qual ( tb ) ) ;
|
|
|
1998 |
int ca = DEREF_int ( tok_exp_constant ( a ) ) ;
|
|
|
1999 |
int cb = DEREF_int ( tok_exp_constant ( b ) ) ;
|
|
|
2000 |
return ( ca == cb && qa == qb && eq_type ( ta, tb ) ) ;
|
|
|
2001 |
}
|
|
|
2002 |
|
|
|
2003 |
case tok_nat_tag :
|
|
|
2004 |
case tok_snat_tag :
|
|
|
2005 |
case tok_stmt_tag : {
|
|
|
2006 |
/* Trivial cases */
|
|
|
2007 |
break ;
|
|
|
2008 |
}
|
|
|
2009 |
|
|
|
2010 |
case tok_func_tag : {
|
|
|
2011 |
/* Function tokens */
|
|
|
2012 |
TYPE ta = DEREF_type ( tok_func_type ( a ) ) ;
|
|
|
2013 |
TYPE tb = DEREF_type ( tok_func_type ( b ) ) ;
|
|
|
2014 |
return ( eq_type ( ta, tb ) ) ;
|
|
|
2015 |
}
|
|
|
2016 |
|
|
|
2017 |
case tok_member_tag : {
|
|
|
2018 |
/* Member tokens */
|
|
|
2019 |
TYPE sa = DEREF_type ( tok_member_of ( a ) ) ;
|
|
|
2020 |
TYPE sb = DEREF_type ( tok_member_of ( b ) ) ;
|
|
|
2021 |
TYPE ta = DEREF_type ( tok_member_type ( a ) ) ;
|
|
|
2022 |
TYPE tb = DEREF_type ( tok_member_type ( b ) ) ;
|
|
|
2023 |
return ( eq_type ( sa, sb ) && eq_type ( ta, tb ) ) ;
|
|
|
2024 |
}
|
|
|
2025 |
|
|
|
2026 |
case tok_proc_tag : {
|
|
|
2027 |
/* Procedure tokens */
|
|
|
2028 |
LIST ( IDENTIFIER ) pa, pb ;
|
|
|
2029 |
TOKEN ra = DEREF_tok ( tok_proc_res ( a ) ) ;
|
|
|
2030 |
TOKEN rb = DEREF_tok ( tok_proc_res ( b ) ) ;
|
|
|
2031 |
if ( !eq_tok ( ra, rb ) ) return ( 0 ) ;
|
|
|
2032 |
|
|
|
2033 |
/* Compare program parameters */
|
|
|
2034 |
pa = DEREF_list ( tok_proc_pids ( a ) ) ;
|
|
|
2035 |
pb = DEREF_list ( tok_proc_pids ( b ) ) ;
|
|
|
2036 |
if ( LENGTH_list ( pa ) != LENGTH_list ( pb ) ) return ( 0 ) ;
|
|
|
2037 |
while ( !IS_NULL_list ( pa ) && !IS_NULL_list ( pb ) ) {
|
|
|
2038 |
IDENTIFIER u = DEREF_id ( HEAD_list ( pa ) ) ;
|
|
|
2039 |
IDENTIFIER v = DEREF_id ( HEAD_list ( pb ) ) ;
|
|
|
2040 |
if ( IS_NULL_id ( u ) || !IS_id_token ( u ) ) return ( 0 ) ;
|
|
|
2041 |
if ( IS_NULL_id ( v ) || !IS_id_token ( v ) ) return ( 0 ) ;
|
|
|
2042 |
ra = DEREF_tok ( id_token_sort ( u ) ) ;
|
|
|
2043 |
rb = DEREF_tok ( id_token_sort ( v ) ) ;
|
|
|
2044 |
if ( !eq_tok ( ra, rb ) ) return ( 0 ) ;
|
|
|
2045 |
pa = TAIL_list ( pa ) ;
|
|
|
2046 |
pb = TAIL_list ( pb ) ;
|
|
|
2047 |
}
|
|
|
2048 |
|
|
|
2049 |
/* Compare bound parameters */
|
|
|
2050 |
pa = DEREF_list ( tok_proc_bids ( a ) ) ;
|
|
|
2051 |
pb = DEREF_list ( tok_proc_bids ( b ) ) ;
|
|
|
2052 |
if ( LENGTH_list ( pa ) != LENGTH_list ( pb ) ) return ( 0 ) ;
|
|
|
2053 |
while ( !IS_NULL_list ( pa ) && !IS_NULL_list ( pb ) ) {
|
|
|
2054 |
IDENTIFIER u = DEREF_id ( HEAD_list ( pa ) ) ;
|
|
|
2055 |
IDENTIFIER v = DEREF_id ( HEAD_list ( pb ) ) ;
|
|
|
2056 |
if ( IS_NULL_id ( u ) || !IS_id_token ( u ) ) return ( 0 ) ;
|
|
|
2057 |
if ( IS_NULL_id ( v ) || !IS_id_token ( v ) ) return ( 0 ) ;
|
|
|
2058 |
ra = DEREF_tok ( id_token_sort ( u ) ) ;
|
|
|
2059 |
rb = DEREF_tok ( id_token_sort ( v ) ) ;
|
|
|
2060 |
if ( !eq_tok ( ra, rb ) ) return ( 0 ) ;
|
|
|
2061 |
pa = TAIL_list ( pa ) ;
|
|
|
2062 |
pb = TAIL_list ( pb ) ;
|
|
|
2063 |
}
|
|
|
2064 |
break ;
|
|
|
2065 |
}
|
|
|
2066 |
|
|
|
2067 |
case tok_type_tag : {
|
|
|
2068 |
/* Type tokens */
|
|
|
2069 |
BASE_TYPE ta = DEREF_btype ( tok_type_kind ( a ) ) ;
|
|
|
2070 |
BASE_TYPE tb = DEREF_btype ( tok_type_kind ( b ) ) ;
|
|
|
2071 |
if ( ta != tb ) return ( 0 ) ;
|
|
|
2072 |
break ;
|
|
|
2073 |
}
|
|
|
2074 |
|
|
|
2075 |
case tok_class_tag : {
|
|
|
2076 |
/* Template class tokens */
|
|
|
2077 |
TYPE ta = DEREF_type ( tok_class_type ( a ) ) ;
|
|
|
2078 |
TYPE tb = DEREF_type ( tok_class_type ( b ) ) ;
|
|
|
2079 |
if ( eq_type ( ta, tb ) == 1 ) return ( 1 ) ;
|
|
|
2080 |
return ( 0 ) ;
|
|
|
2081 |
}
|
|
|
2082 |
|
|
|
2083 |
case tok_templ_tag : {
|
|
|
2084 |
/* Templates */
|
|
|
2085 |
/* NOT YET IMPLEMENTED */
|
|
|
2086 |
return ( 0 ) ;
|
|
|
2087 |
}
|
|
|
2088 |
}
|
|
|
2089 |
return ( 1 ) ;
|
|
|
2090 |
}
|
|
|
2091 |
|
|
|
2092 |
|
|
|
2093 |
/*
|
|
|
2094 |
DECLARE A TOKEN IDENTIFIER
|
|
|
2095 |
|
|
|
2096 |
This routine declares a token identifier id with sort tok and external
|
|
|
2097 |
name ext in the namespace ns.
|
|
|
2098 |
*/
|
|
|
2099 |
|
|
|
2100 |
static IDENTIFIER declare_token
|
|
|
2101 |
PROTO_N ( ( id, tok, ns, ext ) )
|
|
|
2102 |
PROTO_T ( IDENTIFIER id X TOKEN tok X NAMESPACE ns X IDENTIFIER ext )
|
|
|
2103 |
{
|
|
|
2104 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
2105 |
MEMBER mem = search_member ( ns, nm, 1 ) ;
|
|
|
2106 |
|
|
|
2107 |
/* Check identifier name */
|
|
|
2108 |
ERROR err = check_id_name ( id, CONTEXT_OBJECT ) ;
|
|
|
2109 |
if ( !IS_NULL_err ( err ) ) report ( crt_loc, err ) ;
|
|
|
2110 |
|
|
|
2111 |
/* Check for previous definition */
|
|
|
2112 |
id = DEREF_id ( member_id ( mem ) ) ;
|
|
|
2113 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
2114 |
id = redecl_inherit ( id, qual_none, 0, 0 ) ;
|
|
|
2115 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
2116 |
if ( IS_id_token ( id ) ) {
|
|
|
2117 |
/* Allow for redeclarations */
|
|
|
2118 |
IDENTIFIER tid = DEREF_id ( id_token_alt ( id ) ) ;
|
|
|
2119 |
if ( EQ_id ( tid, ext ) ) return ( id ) ;
|
|
|
2120 |
}
|
|
|
2121 |
if ( IS_id_function ( id ) && IS_tok_proc ( tok ) ) {
|
|
|
2122 |
IDENTIFIER pid = id ;
|
|
|
2123 |
while ( !IS_NULL_id ( pid ) ) {
|
|
|
2124 |
TYPE t = DEREF_type ( id_function_type ( pid ) ) ;
|
|
|
2125 |
if ( IS_type_func ( t ) ) {
|
|
|
2126 |
TOKEN ptok ;
|
|
|
2127 |
MAKE_tok_func ( t, ptok ) ;
|
|
|
2128 |
ptok = func_proc_token ( ptok ) ;
|
|
|
2129 |
if ( eq_tok ( ptok, tok ) ) {
|
|
|
2130 |
/* Procedure token matches function */
|
|
|
2131 |
return ( pid ) ;
|
|
|
2132 |
}
|
|
|
2133 |
}
|
|
|
2134 |
pid = DEREF_id ( id_function_over ( pid ) ) ;
|
|
|
2135 |
}
|
|
|
2136 |
}
|
|
|
2137 |
}
|
|
|
2138 |
}
|
|
|
2139 |
|
|
|
2140 |
/* Declare the token */
|
|
|
2141 |
MAKE_id_token ( nm, dspec_token, ns, preproc_loc, tok, ext, id ) ;
|
|
|
2142 |
set_member ( mem, id ) ;
|
|
|
2143 |
return ( id ) ;
|
|
|
2144 |
}
|
|
|
2145 |
|
|
|
2146 |
|
|
|
2147 |
/*
|
|
|
2148 |
DECLARE AN EXTERNAL TOKEN
|
|
|
2149 |
|
|
|
2150 |
This routine declares a token of sort tok with internal name id,
|
|
|
2151 |
which belongs to the tag namespace if tag is true, and external name
|
|
|
2152 |
ext. It returns the external token identifier.
|
|
|
2153 |
*/
|
|
|
2154 |
|
|
|
2155 |
IDENTIFIER make_token_decl
|
|
|
2156 |
PROTO_N ( ( tok, tag, id, ext ) )
|
|
|
2157 |
PROTO_T ( TOKEN tok X int tag X IDENTIFIER id X IDENTIFIER ext )
|
|
|
2158 |
{
|
|
|
2159 |
int tq ;
|
|
|
2160 |
HASHID nm ;
|
|
|
2161 |
MEMBER mem ;
|
|
|
2162 |
unsigned tt ;
|
|
|
2163 |
QUALIFIER cq ;
|
|
|
2164 |
NAMESPACE ns ;
|
|
|
2165 |
NAMESPACE gns ;
|
|
|
2166 |
int macro = 0 ;
|
|
|
2167 |
int pushed = 0 ;
|
|
|
2168 |
int done_dump = 0 ;
|
|
|
2169 |
IDENTIFIER tid = NULL_id ;
|
|
|
2170 |
DECL_SPEC ds = dspec_token ;
|
|
|
2171 |
DECL_SPEC mark = dspec_token ;
|
|
|
2172 |
|
|
|
2173 |
/* Ignore illegal tokens */
|
|
|
2174 |
if ( IS_NULL_tok ( tok ) ) return ( NULL_id ) ;
|
|
|
2175 |
|
|
|
2176 |
/* Find token name */
|
|
|
2177 |
if ( !IS_NULL_id ( ext ) ) {
|
|
|
2178 |
/* Externally named token */
|
|
|
2179 |
ns = token_namespace ;
|
|
|
2180 |
/* gns = global_namespace ; */
|
|
|
2181 |
gns = nonblock_namespace ;
|
|
|
2182 |
nm = DEREF_hashid ( id_name ( ext ) ) ;
|
|
|
2183 |
mem = search_member ( ns, nm, 1 ) ;
|
|
|
2184 |
ext = DEREF_id ( member_id ( mem ) ) ;
|
|
|
2185 |
if ( !IS_NULL_id ( ext ) ) {
|
|
|
2186 |
TOKEN tok2 = DEREF_tok ( id_token_sort ( ext ) ) ;
|
|
|
2187 |
force_tokdef++ ;
|
|
|
2188 |
if ( !eq_tok ( tok, tok2 ) ) {
|
|
|
2189 |
ERROR err = ERR_token_redecl ( ext, id_loc ( ext ) ) ;
|
|
|
2190 |
report ( preproc_loc, err ) ;
|
|
|
2191 |
ext = NULL_id ;
|
|
|
2192 |
}
|
|
|
2193 |
force_tokdef-- ;
|
|
|
2194 |
}
|
|
|
2195 |
if ( IS_hashid_anon ( nm ) ) {
|
|
|
2196 |
ds |= dspec_static ;
|
|
|
2197 |
} else {
|
|
|
2198 |
ds |= dspec_extern ;
|
|
|
2199 |
}
|
|
|
2200 |
} else {
|
|
|
2201 |
/* Token parameter */
|
|
|
2202 |
ns = crt_namespace ;
|
|
|
2203 |
gns = ns ;
|
|
|
2204 |
nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
2205 |
mem = NULL_member ;
|
|
|
2206 |
ds |= ( dspec_auto | dspec_pure ) ;
|
|
|
2207 |
}
|
|
|
2208 |
|
|
|
2209 |
/* Create the token */
|
|
|
2210 |
if ( IS_NULL_id ( ext ) ) {
|
|
|
2211 |
IDENTIFIER uid = underlying_id ( id ) ;
|
|
|
2212 |
MAKE_id_token ( nm, ds, ns, preproc_loc, tok, uid, ext ) ;
|
|
|
2213 |
if ( !IS_NULL_member ( mem ) ) {
|
|
|
2214 |
COPY_id ( member_id ( mem ), ext ) ;
|
|
|
2215 |
}
|
|
|
2216 |
}
|
|
|
2217 |
|
|
|
2218 |
/* Declare the corresponding identifier */
|
|
|
2219 |
cq = crt_id_qualifier ;
|
|
|
2220 |
tq = crt_templ_qualifier ;
|
|
|
2221 |
crt_id_qualifier = qual_none ;
|
|
|
2222 |
crt_templ_qualifier = 0 ;
|
|
|
2223 |
if ( !EQ_nspace ( gns, crt_namespace ) ) {
|
|
|
2224 |
push_namespace ( gns ) ;
|
|
|
2225 |
pushed = 1 ;
|
|
|
2226 |
}
|
|
|
2227 |
tt = TAG_tok ( tok ) ;
|
|
|
2228 |
if ( tt == tok_type_tag ) {
|
|
|
2229 |
BASE_TYPE bt = DEREF_btype ( tok_type_kind ( tok ) ) ;
|
|
|
2230 |
if ( bt & btype_named ) {
|
|
|
2231 |
/* Allow structure and union tags */
|
|
|
2232 |
if ( tag ) tid = id ;
|
|
|
2233 |
} else {
|
|
|
2234 |
tag = 0 ;
|
|
|
2235 |
}
|
|
|
2236 |
} else {
|
|
|
2237 |
/* Other tags are not allowed */
|
|
|
2238 |
tag = 0 ;
|
|
|
2239 |
}
|
|
|
2240 |
switch ( tt ) {
|
|
|
2241 |
|
|
|
2242 |
case tok_type_tag : {
|
|
|
2243 |
/* Simple type tokens */
|
|
|
2244 |
TYPE t = apply_type_token ( ext, NULL_list ( TOKEN ), tid ) ;
|
|
|
2245 |
if ( tag ) {
|
|
|
2246 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
2247 |
id = DEREF_id ( ctype_name ( ct ) ) ;
|
|
|
2248 |
done_dump = 1 ;
|
|
|
2249 |
} else {
|
|
|
2250 |
id = make_object_decl ( dspec_typedef, t, id, 0 ) ;
|
|
|
2251 |
if ( !( ds & dspec_auto ) ) macro = 2 ;
|
|
|
2252 |
}
|
|
|
2253 |
break ;
|
|
|
2254 |
}
|
|
|
2255 |
|
|
|
2256 |
case tok_func_tag : {
|
|
|
2257 |
/* Function tokens (C linkage by default) */
|
|
|
2258 |
TYPE t = DEREF_type ( tok_func_type ( tok ) ) ;
|
|
|
2259 |
int ell = DEREF_int ( type_func_ellipsis ( t ) ) ;
|
|
|
2260 |
DECL_SPEC ln = crt_linkage ;
|
|
|
2261 |
if ( ln == dspec_none ) crt_linkage = dspec_c ;
|
|
|
2262 |
id = make_func_decl ( dspec_extern, t, id, 0 ) ;
|
|
|
2263 |
IGNORE init_object ( id, NULL_exp ) ;
|
|
|
2264 |
if ( IS_id_function_etc ( id ) && ell == FUNC_NONE ) {
|
|
|
2265 |
TYPE form ;
|
|
|
2266 |
MAKE_type_token ( cv_none, ext, NULL_list ( TOKEN ), form ) ;
|
|
|
2267 |
COPY_type ( id_function_etc_form ( id ), form ) ;
|
|
|
2268 |
if ( !( ds & dspec_auto ) ) macro = 1 ;
|
|
|
2269 |
if ( is_redeclared ) {
|
|
|
2270 |
/* Mark functions which have already been declared */
|
|
|
2271 |
ds |= dspec_explicit ;
|
|
|
2272 |
COPY_dspec ( id_storage ( ext ), ds ) ;
|
|
|
2273 |
}
|
|
|
2274 |
} else {
|
|
|
2275 |
/* Ellipsis functions are not really tokenised */
|
|
|
2276 |
mark = dspec_none ;
|
|
|
2277 |
}
|
|
|
2278 |
crt_linkage = ln ;
|
|
|
2279 |
break ;
|
|
|
2280 |
}
|
|
|
2281 |
|
|
|
2282 |
case tok_member_tag : {
|
|
|
2283 |
/* Member tokens */
|
|
|
2284 |
int pt = in_proc_token ;
|
|
|
2285 |
CLASS_TYPE cs = crt_class ;
|
|
|
2286 |
TYPE t = DEREF_type ( tok_member_of ( tok ) ) ;
|
|
|
2287 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
2288 |
NAMESPACE cns = DEREF_nspace ( ctype_member ( ct ) ) ;
|
|
|
2289 |
crt_class = ct ;
|
|
|
2290 |
in_class_defn++ ;
|
|
|
2291 |
really_in_class_defn++ ;
|
|
|
2292 |
push_namespace ( cns ) ;
|
|
|
2293 |
t = DEREF_type ( tok_member_type ( tok ) ) ;
|
|
|
2294 |
if ( pt ) {
|
|
|
2295 |
in_proc_token = 0 ;
|
|
|
2296 |
t = expand_type ( t, 2 ) ;
|
|
|
2297 |
in_proc_token = pt ;
|
|
|
2298 |
}
|
|
|
2299 |
id = make_member_decl ( dspec_token, t, id, 0 ) ;
|
|
|
2300 |
if ( IS_id_member ( id ) ) {
|
|
|
2301 |
OFFSET off = DEREF_off ( id_member_off ( id ) ) ;
|
|
|
2302 |
if ( !IS_NULL_off ( off ) ) {
|
|
|
2303 |
t = DEREF_type ( id_member_type ( id ) ) ;
|
|
|
2304 |
IGNORE define_mem_token ( ext, off, t, 1 ) ;
|
|
|
2305 |
if ( !IS_NULL_member ( mem ) ) {
|
|
|
2306 |
if ( IS_off_member ( off ) ) {
|
|
|
2307 |
/* Record old member name */
|
|
|
2308 |
IDENTIFIER pid ;
|
|
|
2309 |
pid = DEREF_id ( off_member_id ( off ) ) ;
|
|
|
2310 |
COPY_id ( member_alt ( mem ), pid ) ;
|
|
|
2311 |
}
|
|
|
2312 |
}
|
|
|
2313 |
}
|
|
|
2314 |
off = apply_mem_token ( ext, NULL_list ( TOKEN ) ) ;
|
|
|
2315 |
COPY_off ( id_member_off ( id ), off ) ;
|
|
|
2316 |
if ( !( ds & dspec_auto ) ) macro = 2 ;
|
|
|
2317 |
}
|
|
|
2318 |
IGNORE pop_namespace () ;
|
|
|
2319 |
really_in_class_defn-- ;
|
|
|
2320 |
in_class_defn-- ;
|
|
|
2321 |
crt_class = cs ;
|
|
|
2322 |
break ;
|
|
|
2323 |
}
|
|
|
2324 |
|
|
|
2325 |
case tok_class_tag : {
|
|
|
2326 |
/* Template template parameters */
|
|
|
2327 |
TYPE t ;
|
|
|
2328 |
TYPE q = DEREF_type ( tok_class_type ( tok ) ) ;
|
|
|
2329 |
MAKE_type_token ( cv_none, ext, NULL_list ( TOKEN ), t ) ;
|
|
|
2330 |
id = make_object_decl ( dspec_typedef, t, id, 0 ) ;
|
|
|
2331 |
t = inject_pre_type ( q, t, 0 ) ;
|
|
|
2332 |
COPY_type ( id_class_name_etc_defn ( id ), t ) ;
|
|
|
2333 |
COPY_type ( tok_class_type ( tok ), t ) ;
|
|
|
2334 |
mark |= dspec_template ;
|
|
|
2335 |
break ;
|
|
|
2336 |
}
|
|
|
2337 |
|
|
|
2338 |
default : {
|
|
|
2339 |
/* Other tokens */
|
|
|
2340 |
decl_loc = preproc_loc ;
|
|
|
2341 |
id = declare_token ( id, tok, gns, ext ) ;
|
|
|
2342 |
if ( IS_id_function ( id ) ) {
|
|
|
2343 |
TYPE form ;
|
|
|
2344 |
MAKE_type_token ( cv_none, ext, NULL_list ( TOKEN ), form ) ;
|
|
|
2345 |
COPY_type ( id_function_form ( id ), form ) ;
|
|
|
2346 |
}
|
|
|
2347 |
if ( !( ds & dspec_auto ) ) macro = 1 ;
|
|
|
2348 |
break ;
|
|
|
2349 |
}
|
|
|
2350 |
}
|
|
|
2351 |
if ( mark ) {
|
|
|
2352 |
/* Mark object as a token */
|
|
|
2353 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
2354 |
ds |= mark ;
|
|
|
2355 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
2356 |
}
|
|
|
2357 |
COPY_id ( id_token_alt ( ext ), id ) ;
|
|
|
2358 |
if ( !IS_NULL_member ( mem ) ) {
|
|
|
2359 |
IDENTIFIER pid = DEREF_id ( member_alt ( mem ) ) ;
|
|
|
2360 |
if ( IS_NULL_id ( pid ) ) COPY_id ( member_alt ( mem ), id ) ;
|
|
|
2361 |
if ( do_dump ) {
|
|
|
2362 |
if ( !done_dump ) dump_declare ( id, &preproc_loc, 0 ) ;
|
|
|
2363 |
dump_token ( id, ext ) ;
|
|
|
2364 |
}
|
|
|
2365 |
}
|
|
|
2366 |
if ( pushed ) {
|
|
|
2367 |
IGNORE pop_namespace () ;
|
|
|
2368 |
}
|
|
|
2369 |
crt_templ_qualifier = tq ;
|
|
|
2370 |
crt_id_qualifier = cq ;
|
|
|
2371 |
|
|
|
2372 |
/* Check for previous macro definition */
|
|
|
2373 |
if ( macro ) {
|
|
|
2374 |
IDENTIFIER mid ;
|
|
|
2375 |
nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
2376 |
mid = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
2377 |
switch ( TAG_id ( mid ) ) {
|
|
|
2378 |
case id_obj_macro_tag :
|
|
|
2379 |
case id_func_macro_tag : {
|
|
|
2380 |
LOCATION loc ;
|
|
|
2381 |
loc = preproc_loc ;
|
|
|
2382 |
DEREF_loc ( id_loc ( mid ), preproc_loc ) ;
|
|
|
2383 |
ds = DEREF_dspec ( id_storage ( mid ) ) ;
|
|
|
2384 |
COPY_dspec ( id_storage ( mid ), ( ds | dspec_temp ) ) ;
|
|
|
2385 |
if ( define_token_macro ( id, mid ) ) {
|
|
|
2386 |
ds |= dspec_used ;
|
|
|
2387 |
if ( do_macro && do_usage ) {
|
|
|
2388 |
dump_use ( mid, &loc, 1 ) ;
|
|
|
2389 |
}
|
|
|
2390 |
COPY_loc ( id_loc ( ext ), preproc_loc ) ;
|
|
|
2391 |
no_declarations++ ;
|
|
|
2392 |
}
|
|
|
2393 |
COPY_dspec ( id_storage ( mid ), ds ) ;
|
|
|
2394 |
preproc_loc = loc ;
|
|
|
2395 |
break ;
|
|
|
2396 |
}
|
|
|
2397 |
}
|
|
|
2398 |
}
|
|
|
2399 |
return ( ext ) ;
|
|
|
2400 |
}
|
|
|
2401 |
|
|
|
2402 |
|
|
|
2403 |
/*
|
|
|
2404 |
FIND A TOKEN IDENTIFIER
|
|
|
2405 |
|
|
|
2406 |
This routine finds the token identifier associated with the identifier
|
|
|
2407 |
id.
|
|
|
2408 |
*/
|
|
|
2409 |
|
|
|
2410 |
static IDENTIFIER find_token_aux
|
|
|
2411 |
PROTO_N ( ( id ) )
|
|
|
2412 |
PROTO_T ( IDENTIFIER id )
|
|
|
2413 |
{
|
|
|
2414 |
switch ( TAG_id ( id ) ) {
|
|
|
2415 |
case id_class_name_tag :
|
|
|
2416 |
case id_class_alias_tag : {
|
|
|
2417 |
/* Classes */
|
|
|
2418 |
TYPE t = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
2419 |
if ( IS_type_compound ( t ) ) {
|
|
|
2420 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
2421 |
t = DEREF_type ( ctype_form ( ct ) ) ;
|
|
|
2422 |
if ( !IS_NULL_type ( t ) && IS_type_token ( t ) ) {
|
|
|
2423 |
id = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
2424 |
return ( id ) ;
|
|
|
2425 |
}
|
|
|
2426 |
}
|
|
|
2427 |
break ;
|
|
|
2428 |
}
|
|
|
2429 |
case id_type_alias_tag : {
|
|
|
2430 |
/* Types */
|
|
|
2431 |
TYPE t = DEREF_type ( id_type_alias_defn ( id ) ) ;
|
|
|
2432 |
if ( IS_type_token ( t ) ) {
|
|
|
2433 |
id = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
2434 |
return ( id ) ;
|
|
|
2435 |
}
|
|
|
2436 |
break ;
|
|
|
2437 |
}
|
|
|
2438 |
case id_function_tag :
|
|
|
2439 |
case id_mem_func_tag :
|
|
|
2440 |
case id_stat_mem_func_tag : {
|
|
|
2441 |
/* Functions */
|
|
|
2442 |
TYPE form = DEREF_type ( id_function_etc_form ( id ) ) ;
|
|
|
2443 |
if ( !IS_NULL_type ( form ) && IS_type_token ( form ) ) {
|
|
|
2444 |
IDENTIFIER ext = DEREF_id ( type_token_tok ( form ) ) ;
|
|
|
2445 |
if ( !IS_NULL_id ( ext ) ) return ( ext ) ;
|
|
|
2446 |
}
|
|
|
2447 |
return ( id ) ;
|
|
|
2448 |
}
|
|
|
2449 |
case id_member_tag : {
|
|
|
2450 |
/* Members */
|
|
|
2451 |
OFFSET off = DEREF_off ( id_member_off ( id ) ) ;
|
|
|
2452 |
if ( IS_off_token ( off ) ) {
|
|
|
2453 |
id = DEREF_id ( off_token_tok ( off ) ) ;
|
|
|
2454 |
return ( id ) ;
|
|
|
2455 |
}
|
|
|
2456 |
break ;
|
|
|
2457 |
}
|
|
|
2458 |
case id_token_tag : {
|
|
|
2459 |
/* Tokens */
|
|
|
2460 |
IDENTIFIER alt = DEREF_id ( id_token_alt ( id ) ) ;
|
|
|
2461 |
if ( IS_id_token ( alt ) ) return ( alt ) ;
|
|
|
2462 |
return ( id ) ;
|
|
|
2463 |
}
|
|
|
2464 |
}
|
|
|
2465 |
return ( id ) ;
|
|
|
2466 |
}
|
|
|
2467 |
|
|
|
2468 |
|
|
|
2469 |
/*
|
|
|
2470 |
FIND AN EXTERNAL TOKEN IDENTIFIER
|
|
|
2471 |
|
|
|
2472 |
This routine finds the external token corresponding to the identifier id.
|
|
|
2473 |
For functions this refers only to the function id itself and not to
|
|
|
2474 |
any overloading functions.
|
|
|
2475 |
*/
|
|
|
2476 |
|
|
|
2477 |
IDENTIFIER find_token
|
|
|
2478 |
PROTO_N ( ( id ) )
|
|
|
2479 |
PROTO_T ( IDENTIFIER id )
|
|
|
2480 |
{
|
|
|
2481 |
MEMBER mem ;
|
|
|
2482 |
DECL_SPEC ds ;
|
|
|
2483 |
IDENTIFIER tid ;
|
|
|
2484 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
2485 |
if ( IS_id_keyword_etc ( id ) ) {
|
|
|
2486 |
/* Rescan keywords */
|
|
|
2487 |
id = find_id ( nm ) ;
|
|
|
2488 |
}
|
|
|
2489 |
ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
2490 |
if ( ds & dspec_token ) {
|
|
|
2491 |
/* Deal with simple tokens */
|
|
|
2492 |
tid = find_token_aux ( id ) ;
|
|
|
2493 |
if ( IS_id_token ( tid ) ) {
|
|
|
2494 |
ds = DEREF_dspec ( id_storage ( tid ) ) ;
|
|
|
2495 |
if ( !( ds & dspec_auto ) ) return ( tid ) ;
|
|
|
2496 |
}
|
|
|
2497 |
}
|
|
|
2498 |
|
|
|
2499 |
/* Complex cases - check through token namespace */
|
|
|
2500 |
id = DEREF_id ( id_alias ( id ) ) ;
|
|
|
2501 |
mem = DEREF_member ( nspace_global_first ( token_namespace ) ) ;
|
|
|
2502 |
while ( !IS_NULL_member ( mem ) ) {
|
|
|
2503 |
tid = DEREF_id ( member_alt ( mem ) ) ;
|
|
|
2504 |
if ( EQ_id ( tid, id ) ) {
|
|
|
2505 |
tid = DEREF_id ( member_id ( mem ) ) ;
|
|
|
2506 |
return ( tid ) ;
|
|
|
2507 |
}
|
|
|
2508 |
mem = DEREF_member ( member_next ( mem ) ) ;
|
|
|
2509 |
}
|
|
|
2510 |
return ( id ) ;
|
|
|
2511 |
}
|
|
|
2512 |
|
|
|
2513 |
|
|
|
2514 |
/*
|
|
|
2515 |
FIND A TAG TOKEN IDENTIFIER
|
|
|
2516 |
|
|
|
2517 |
This routine finds the token corresponding to the tag identifier id.
|
|
|
2518 |
*/
|
|
|
2519 |
|
|
|
2520 |
IDENTIFIER find_tag_token
|
|
|
2521 |
PROTO_N ( ( id ) )
|
|
|
2522 |
PROTO_T ( IDENTIFIER id )
|
|
|
2523 |
{
|
|
|
2524 |
id = find_elaborate_type ( id, btype_any, NULL_type, dspec_used ) ;
|
|
|
2525 |
return ( id ) ;
|
|
|
2526 |
}
|
|
|
2527 |
|
|
|
2528 |
|
|
|
2529 |
/*
|
|
|
2530 |
FIND A MEMBER TOKEN IDENTIFIER
|
|
|
2531 |
|
|
|
2532 |
This routine finds the token corresponding to the member mid of cid.
|
|
|
2533 |
*/
|
|
|
2534 |
|
|
|
2535 |
IDENTIFIER find_mem_token
|
|
|
2536 |
PROTO_N ( ( cid, mid ) )
|
|
|
2537 |
PROTO_T ( IDENTIFIER cid X IDENTIFIER mid )
|
|
|
2538 |
{
|
|
|
2539 |
if ( IS_id_class_name_etc ( cid ) ) {
|
|
|
2540 |
TYPE t = DEREF_type ( id_class_name_etc_defn ( cid ) ) ;
|
|
|
2541 |
IDENTIFIER fid = tok_member ( mid, t, 1 ) ;
|
|
|
2542 |
if ( !IS_NULL_id ( fid ) ) return ( fid ) ;
|
|
|
2543 |
return ( mid ) ;
|
|
|
2544 |
}
|
|
|
2545 |
report ( preproc_loc, ERR_dcl_type_simple_undef ( cid ) ) ;
|
|
|
2546 |
return ( mid ) ;
|
|
|
2547 |
}
|
|
|
2548 |
|
|
|
2549 |
|
|
|
2550 |
/*
|
|
|
2551 |
FIND AN EXTERNAL TOKEN IDENTIFIER
|
|
|
2552 |
|
|
|
2553 |
This routine finds the token with external name given by id.
|
|
|
2554 |
*/
|
|
|
2555 |
|
|
|
2556 |
IDENTIFIER find_ext_token
|
|
|
2557 |
PROTO_N ( ( id ) )
|
|
|
2558 |
PROTO_T ( IDENTIFIER id )
|
|
|
2559 |
{
|
|
|
2560 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
2561 |
id = search_id ( token_namespace, nm, 0, 0 ) ;
|
|
|
2562 |
if ( IS_NULL_id ( id ) ) id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
2563 |
return ( id ) ;
|
|
|
2564 |
}
|
|
|
2565 |
|
|
|
2566 |
|
|
|
2567 |
/*
|
|
|
2568 |
FIND A FUNCTION TOKEN IDENTIFIER
|
|
|
2569 |
|
|
|
2570 |
This routine is identical to find_token except that it does a primitive
|
|
|
2571 |
form of overload resolution on function tokens based on the number of
|
|
|
2572 |
arguments n. A value of UINT_MAX indicates that any number of
|
|
|
2573 |
parameters is allowed.
|
|
|
2574 |
*/
|
|
|
2575 |
|
|
|
2576 |
IDENTIFIER find_func_token
|
|
|
2577 |
PROTO_N ( ( id, n ) )
|
|
|
2578 |
PROTO_T ( IDENTIFIER id X unsigned n )
|
|
|
2579 |
{
|
|
|
2580 |
if ( IS_id_function_etc ( id ) ) {
|
|
|
2581 |
int no = 0 ;
|
|
|
2582 |
IDENTIFIER tid = NULL_id ;
|
|
|
2583 |
IDENTIFIER fid = id ;
|
|
|
2584 |
while ( !IS_NULL_id ( fid ) ) {
|
|
|
2585 |
TYPE form = DEREF_type ( id_function_etc_form ( fid ) ) ;
|
|
|
2586 |
if ( !IS_NULL_type ( form ) && IS_type_token ( form ) ) {
|
|
|
2587 |
IDENTIFIER ext = DEREF_id ( type_token_tok ( form ) ) ;
|
|
|
2588 |
if ( !IS_NULL_id ( ext ) && IS_id_token ( ext ) ) {
|
|
|
2589 |
if ( n == ( unsigned ) UINT_MAX ) {
|
|
|
2590 |
tid = ext ;
|
|
|
2591 |
no++ ;
|
|
|
2592 |
} else {
|
|
|
2593 |
TYPE t ;
|
|
|
2594 |
int ell ;
|
|
|
2595 |
LIST ( TYPE ) p ;
|
|
|
2596 |
t = DEREF_type ( id_function_etc_type ( fid ) ) ;
|
|
|
2597 |
while ( IS_type_templ ( t ) ) {
|
|
|
2598 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
2599 |
}
|
|
|
2600 |
p = DEREF_list ( type_func_ptypes ( t ) ) ;
|
|
|
2601 |
ell = DEREF_int ( type_func_ellipsis ( t ) ) ;
|
|
|
2602 |
if ( LENGTH_list ( p ) == n ) {
|
|
|
2603 |
if ( !( ell & FUNC_ELLIPSIS ) ) {
|
|
|
2604 |
tid = ext ;
|
|
|
2605 |
no++ ;
|
|
|
2606 |
}
|
|
|
2607 |
}
|
|
|
2608 |
}
|
|
|
2609 |
}
|
|
|
2610 |
}
|
|
|
2611 |
fid = DEREF_id ( id_function_etc_over ( fid ) ) ;
|
|
|
2612 |
}
|
|
|
2613 |
if ( no > 1 ) report ( preproc_loc, ERR_token_def_ambig ( id ) ) ;
|
|
|
2614 |
return ( tid ) ;
|
|
|
2615 |
}
|
|
|
2616 |
return ( find_token ( id ) ) ;
|
|
|
2617 |
}
|
|
|
2618 |
|
|
|
2619 |
|
|
|
2620 |
/*
|
|
|
2621 |
CURRENT INTERFACE METHOD
|
|
|
2622 |
|
|
|
2623 |
This flag is used to record the current interface method. It gives the
|
|
|
2624 |
mapping of any '#pragma interface' to one of '#pragma define', '#pragma
|
|
|
2625 |
no_def' or '#pragma ignore'.
|
|
|
2626 |
*/
|
|
|
2627 |
|
|
|
2628 |
int crt_interface = lex_no_Hdef ;
|
|
|
2629 |
|
|
|
2630 |
|
|
|
2631 |
/*
|
|
|
2632 |
PERFORM A TOKEN INTERFACE OPERATION
|
|
|
2633 |
|
|
|
2634 |
This routine performs the token interface operation indicated by i
|
|
|
2635 |
(which will be lex_define, lex_no_Hdef, lex_ignore) on the token tid.
|
|
|
2636 |
*/
|
|
|
2637 |
|
|
|
2638 |
static void mark_interface
|
|
|
2639 |
PROTO_N ( ( tid, i ) )
|
|
|
2640 |
PROTO_T ( IDENTIFIER tid X int i )
|
|
|
2641 |
{
|
|
|
2642 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( tid ) ) ;
|
|
|
2643 |
if ( i == lex_define ) {
|
|
|
2644 |
/* Token must be defined */
|
|
|
2645 |
ds |= dspec_static ;
|
|
|
2646 |
ds &= ~dspec_pure ;
|
|
|
2647 |
} else if ( i == lex_no_Hdef ) {
|
|
|
2648 |
/* Token must not be defined */
|
|
|
2649 |
ds |= dspec_pure ;
|
|
|
2650 |
if ( ds & dspec_defn ) {
|
|
|
2651 |
/* Token already defined */
|
|
|
2652 |
PTR ( LOCATION ) loc = id_loc ( tid ) ;
|
|
|
2653 |
report ( preproc_loc, ERR_token_no_def ( tid, loc ) ) ;
|
|
|
2654 |
}
|
|
|
2655 |
} else {
|
|
|
2656 |
/* Ignore token definitions */
|
|
|
2657 |
ds |= dspec_done ;
|
|
|
2658 |
ds &= ~dspec_pure ;
|
|
|
2659 |
}
|
|
|
2660 |
COPY_dspec ( id_storage ( tid ), ds ) ;
|
|
|
2661 |
return ;
|
|
|
2662 |
}
|
|
|
2663 |
|
|
|
2664 |
|
|
|
2665 |
/*
|
|
|
2666 |
PERFORM A TOKEN INTERFACE OPERATION
|
|
|
2667 |
|
|
|
2668 |
This routine looks up the token id and performs the token operation
|
|
|
2669 |
i on it. In addition to the values above i can be lex_undef indicating
|
|
|
2670 |
that the token should be undefined.
|
|
|
2671 |
*/
|
|
|
2672 |
|
|
|
2673 |
void token_interface
|
|
|
2674 |
PROTO_N ( ( id, i ) )
|
|
|
2675 |
PROTO_T ( IDENTIFIER id X int i )
|
|
|
2676 |
{
|
|
|
2677 |
int ok = 0 ;
|
|
|
2678 |
IDENTIFIER pid = id ;
|
|
|
2679 |
while ( !IS_NULL_id ( pid ) ) {
|
|
|
2680 |
IDENTIFIER tid = find_token ( pid ) ;
|
|
|
2681 |
if ( IS_id_token ( tid ) ) {
|
|
|
2682 |
/* Token found */
|
|
|
2683 |
if ( i == lex_undef ) {
|
|
|
2684 |
if ( do_dump ) dump_undefine ( pid, &preproc_loc, 1 ) ;
|
|
|
2685 |
remove_id ( pid ) ;
|
|
|
2686 |
} else {
|
|
|
2687 |
mark_interface ( tid, i ) ;
|
|
|
2688 |
}
|
|
|
2689 |
ok = 1 ;
|
|
|
2690 |
}
|
|
|
2691 |
if ( !IS_id_function_etc ( pid ) ) break ;
|
|
|
2692 |
pid = DEREF_id ( id_function_etc_over ( pid ) ) ;
|
|
|
2693 |
}
|
|
|
2694 |
if ( !ok ) {
|
|
|
2695 |
/* Token not found */
|
|
|
2696 |
report ( preproc_loc, ERR_token_undecl ( id ) ) ;
|
|
|
2697 |
}
|
|
|
2698 |
return ;
|
|
|
2699 |
}
|