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/*
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Crown Copyright (c) 1997, 1998
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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#include "config.h"
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#include <limits.h>
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#include "c_types.h"
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#include "ctype_ops.h"
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#include "exp_ops.h"
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#include "hashid_ops.h"
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#include "id_ops.h"
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#include "member_ops.h"
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#include "nat_ops.h"
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#include "nspace_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 "derive.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 "file.h"
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#include "function.h"
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#include "hash.h"
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#include "identifier.h"
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#include "initialise.h"
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#include "inttype.h"
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#include "lex.h"
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#include "macro.h"
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#include "member.h"
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#include "namespace.h"
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#include "overload.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 "tokdef.h"
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#include "token.h"
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/*
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TOKEN DEFINITION FLAG
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Tokens are defined by the equality routines if the flag force_tokdef
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is set. This is only done if we are reasonably sure that the equality
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should hold. Similarly template specialisation is only considered
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if force_template is true.
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*/
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int force_tokdef = 0 ;
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int force_template = 0 ;
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int expand_tokdef = 0 ;
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/*
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IS A TOKEN BEING DEFINED?
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This routine uses the values force_tokdef and force_template to
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determine whether the token id is available for token unification.
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*/
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int defining_token
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PROTO_N ( ( id ) )
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PROTO_T ( IDENTIFIER id )
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{
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if ( !IS_NULL_id ( id ) && IS_id_token ( id ) ) {
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DECL_SPEC ds ;
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if ( force_tokdef ) return ( 1 ) ;
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ds = DEREF_dspec ( id_storage ( id ) ) ;
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if ( ds & dspec_template ) return ( force_template ) ;
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}
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return ( 0 ) ;
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}
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/*
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FIND THE RESULT COMPONENT OF A TOKEN
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This routine finds the result component of the token id.
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*/
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TOKEN find_tokdef
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PROTO_N ( ( id ) )
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PROTO_T ( IDENTIFIER id )
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{
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TOKEN tok = NULL_tok ;
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if ( !IS_NULL_id ( id ) && IS_id_token ( id ) ) {
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unsigned tag ;
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tok = DEREF_tok ( id_token_sort ( id ) ) ;
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tag = TAG_tok ( tok ) ;
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if ( tag == tok_func_tag ) {
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TOKEN ptok = DEREF_tok ( tok_func_proc ( tok ) ) ;
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if ( !IS_NULL_tok ( ptok ) ) {
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tok = DEREF_tok ( tok_proc_res ( ptok ) ) ;
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}
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} else if ( tag == tok_proc_tag ) {
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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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DUMMY TOKEN PARAMETER VALUES
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These values are used to indicate that a token parameter has been
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redefined inconsistently.
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*/
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static NAT redef_nat = NULL_nat ;
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static EXP redef_exp = NULL_exp ;
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TYPE redef_type = NULL_type ;
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static IDENTIFIER redef_id = NULL_id ;
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static OFFSET redef_off = NULL_off ;
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/*
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INITIALISE DUMMY TOKEN PARAMETER VALUES
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This routine initialises the dummy token parameter values above.
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They are set to impossible values which could not arise naturally.
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*/
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void init_token_args
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PROTO_Z ()
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{
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HASHID nm = KEYWORD ( lex_error ) ;
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redef_id = DEREF_id ( hashid_id ( nm ) ) ;
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MAKE_type_ref ( cv_none, type_void, redef_type ) ;
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MAKE_exp_value ( redef_type, redef_exp ) ;
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MAKE_nat_calc ( redef_exp, redef_nat ) ;
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MAKE_off_zero ( redef_type, redef_off ) ;
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return ;
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}
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/*
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DEFINE AN INTEGER CONSTANT TOKEN
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This routine defines the integer constant token id to be e. It
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returns true if the token is assigned a value.
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*/
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int define_nat_token
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PROTO_N ( ( id, n ) )
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PROTO_T ( IDENTIFIER id X NAT n )
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{
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if ( !IS_NULL_nat ( n ) ) {
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DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
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if ( !( ds & dspec_pure ) ) {
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int ok = 1 ;
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TOKEN tok = find_tokdef ( id ) ;
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if ( IS_NULL_tok ( tok ) ) return ( 0 ) ;
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switch ( TAG_tok ( tok ) ) {
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case tok_nat_tag :
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case tok_snat_tag : {
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/* Integer constant tokens */
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NAT m = DEREF_nat ( tok_nat_etc_value ( tok ) ) ;
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if ( !IS_NULL_nat ( m ) && !eq_nat ( n, m ) ) {
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if ( ds & dspec_auto ) {
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n = redef_nat ;
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} else {
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PTR ( LOCATION ) loc = id_loc ( id ) ;
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report ( crt_loc, ERR_token_redef ( id, loc ) ) ;
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}
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ok = 0 ;
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}
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COPY_nat ( tok_nat_etc_value ( tok ), n ) ;
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break ;
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}
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case tok_exp_tag :
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case tok_stmt_tag : {
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/* Expression tokens */
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EXP e = calc_nat_value ( n, type_sint ) ;
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return ( define_exp_token ( id, e, 1 ) ) ;
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}
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default : {
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/* Other tokens */
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return ( 0 ) ;
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}
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}
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if ( !( ds & dspec_auto ) ) no_token_defns++ ;
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ds |= dspec_defn ;
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COPY_dspec ( id_storage ( id ), ds ) ;
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COPY_loc ( id_loc ( id ), crt_loc ) ;
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return ( ok ) ;
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}
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}
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return ( 0 ) ;
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}
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/*
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DEFINE AN EXPRESSION TOKEN
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This routine defines the expression, statement or integer constant
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token id to be e. It returns true if the token is assigned a value.
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expl is false for an enforcing external declaration, such as that
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arising from unify_id.
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*/
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int define_exp_token
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PROTO_N ( ( id, e, expl ) )
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PROTO_T ( IDENTIFIER id X EXP e X int expl )
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{
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if ( !IS_NULL_exp ( e ) ) {
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DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
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if ( !( ds & dspec_pure ) ) {
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int ok = 1 ;
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unsigned tt ;
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TOKEN tok = find_tokdef ( id ) ;
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if ( IS_NULL_tok ( tok ) ) return ( 0 ) ;
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tt = TAG_tok ( tok ) ;
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switch ( tt ) {
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case tok_exp_tag : {
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/* Expression tokens */
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TYPE s ;
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ERROR err = NULL_err ;
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unsigned etag = TAG_exp ( e ) ;
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EXP d = DEREF_exp ( tok_exp_value ( tok ) ) ;
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int c = DEREF_int ( tok_exp_constant ( tok ) ) ;
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TYPE t = DEREF_type ( tok_exp_type ( tok ) ) ;
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CV_SPEC cv = DEREF_cv ( type_qual ( t ) ) ;
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LIST ( IDENTIFIER ) pids = NULL_list ( IDENTIFIER ) ;
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force_tokdef++ ;
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e = convert_reference ( e, REF_ASSIGN ) ;
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e = resolve_cast ( t, e, &err, 1, 0, pids ) ;
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s = DEREF_type ( exp_type ( e ) ) ;
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if ( cv & cv_lvalue ) {
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/* lvalue tokens */
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cv = DEREF_cv ( type_qual ( s ) ) ;
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if ( cv & cv_lvalue ) {
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if ( eq_type ( s, t ) ) {
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if ( !IS_exp_address ( e ) ) {
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MAKE_exp_address ( t, e, e ) ;
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}
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} else {
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EXP a = init_ref_lvalue ( t, e, &err ) ;
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if ( IS_NULL_exp ( a ) ) {
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err = ERR_basic_link_incompat ( t, s ) ;
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} else {
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e = make_ref_init ( t, a ) ;
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}
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}
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} else {
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report ( crt_loc, ERR_token_arg_lvalue ( id ) ) ;
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}
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} else {
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/* rvalue tokens */
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if ( IS_exp_aggregate ( e ) ) {
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/* Aggregate initialiser */
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e = init_aggregate ( t, e, id, &err ) ;
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} else {
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switch ( TAG_type ( t ) ) {
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case type_top_tag :
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case type_bottom_tag : {
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/* Void expressions */
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e = convert_lvalue ( e ) ;
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e = convert_none ( e ) ;
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e = make_discard_exp ( e ) ;
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if ( !IS_type_top_etc ( s ) ) {
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EXP a = make_null_exp ( t ) ;
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e = join_exp ( e, a ) ;
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}
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break ;
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}
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case type_ref_tag : {
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/* Reference initialiser */
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e = init_assign ( t, cv_none, e, &err ) ;
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311 |
break ;
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312 |
}
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313 |
case type_array_tag : {
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314 |
/* Array initialiser */
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315 |
if ( etag == exp_paren_tag ) {
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316 |
e = make_paren_exp ( e ) ;
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317 |
}
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318 |
e = init_array ( t, cv_none, e, 1, &err ) ;
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break ;
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320 |
}
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321 |
case type_error_tag : {
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322 |
e = convert_none ( e ) ;
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323 |
break ;
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324 |
}
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325 |
default : {
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326 |
/* Simple initialiser */
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327 |
e = convert_lvalue ( e ) ;
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328 |
e = init_assign ( t, cv_none, e, &err ) ;
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329 |
break ;
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330 |
}
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331 |
}
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332 |
}
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333 |
}
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334 |
force_tokdef-- ;
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335 |
if ( !IS_NULL_err ( err ) ) {
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336 |
/* Conversion error */
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337 |
err = init_error ( err, 0 ) ;
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338 |
err = concat_error ( err, ERR_token_arg_exp ( id ) ) ;
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339 |
report ( crt_loc, err ) ;
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340 |
}
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341 |
if ( c == 1 && !is_const_exp ( e, 1 ) ) {
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342 |
report ( crt_loc, ERR_token_arg_const ( id ) ) ;
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}
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344 |
if ( !IS_NULL_exp ( d ) && !eq_exp ( e, d, 0 ) ) {
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345 |
int redef = 0 ;
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346 |
if ( ds & dspec_auto ) {
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347 |
e = redef_exp ;
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348 |
} else {
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349 |
if ( expl ) {
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350 |
if ( ds & dspec_main ) {
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351 |
redef = 1 ;
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352 |
} else {
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353 |
ds |= dspec_main ;
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354 |
}
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355 |
} else {
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356 |
if ( ds & dspec_main ) {
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357 |
e = d ;
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358 |
} else {
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359 |
redef = 1 ;
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360 |
}
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361 |
}
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362 |
}
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363 |
if ( redef ) {
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364 |
PTR ( LOCATION ) loc = id_loc ( id ) ;
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|
365 |
report ( crt_loc, ERR_token_redef ( id, loc ) ) ;
|
|
|
366 |
ok = 0 ;
|
|
|
367 |
}
|
|
|
368 |
} else {
|
|
|
369 |
if ( expl && !( ds & dspec_auto ) ) {
|
|
|
370 |
/* Mark explicit definitions */
|
|
|
371 |
ds |= dspec_main ;
|
|
|
372 |
}
|
|
|
373 |
}
|
|
|
374 |
COPY_exp ( tok_exp_value ( tok ), e ) ;
|
|
|
375 |
break ;
|
|
|
376 |
}
|
|
|
377 |
|
|
|
378 |
case tok_nat_tag :
|
|
|
379 |
case tok_snat_tag : {
|
|
|
380 |
/* Constant tokens */
|
|
|
381 |
NAT n ;
|
|
|
382 |
ERROR err = NULL_err ;
|
|
|
383 |
e = convert_reference ( e, REF_NORMAL ) ;
|
|
|
384 |
e = convert_lvalue ( e ) ;
|
|
|
385 |
n = make_nat_exp ( e, &err ) ;
|
|
|
386 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
387 |
/* Not a constant expression */
|
|
|
388 |
err = concat_error ( err, ERR_token_arg_nat ( id ) ) ;
|
|
|
389 |
report ( crt_loc, err ) ;
|
|
|
390 |
} else {
|
|
|
391 |
if ( tt == tok_nat_tag && is_negative_nat ( n ) ) {
|
|
|
392 |
/* Negative constant */
|
|
|
393 |
report ( crt_loc, ERR_token_arg_nat ( id ) ) ;
|
|
|
394 |
n = negate_nat ( n ) ;
|
|
|
395 |
}
|
|
|
396 |
}
|
|
|
397 |
return ( define_nat_token ( id, n ) ) ;
|
|
|
398 |
}
|
|
|
399 |
|
|
|
400 |
case tok_stmt_tag : {
|
|
|
401 |
/* Statement tokens */
|
|
|
402 |
EXP d = DEREF_exp ( tok_stmt_value ( tok ) ) ;
|
|
|
403 |
if ( !IS_NULL_exp ( d ) && !eq_exp ( e, d, 0 ) ) {
|
|
|
404 |
if ( ds & dspec_auto ) {
|
|
|
405 |
e = redef_exp ;
|
|
|
406 |
} else {
|
|
|
407 |
PTR ( LOCATION ) loc = id_loc ( id ) ;
|
|
|
408 |
report ( crt_loc, ERR_token_redef ( id, loc ) ) ;
|
|
|
409 |
}
|
|
|
410 |
ok = 0 ;
|
|
|
411 |
}
|
|
|
412 |
COPY_exp ( tok_stmt_value ( tok ), e ) ;
|
|
|
413 |
break ;
|
|
|
414 |
}
|
|
|
415 |
|
|
|
416 |
default : {
|
|
|
417 |
/* Other tokens */
|
|
|
418 |
return ( 0 ) ;
|
|
|
419 |
}
|
|
|
420 |
}
|
|
|
421 |
if ( !( ds & dspec_auto ) ) no_token_defns++ ;
|
|
|
422 |
ds |= dspec_defn ;
|
|
|
423 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
424 |
COPY_loc ( id_loc ( id ), crt_loc ) ;
|
|
|
425 |
return ( ok ) ;
|
|
|
426 |
}
|
|
|
427 |
}
|
|
|
428 |
return ( 0 ) ;
|
|
|
429 |
}
|
|
|
430 |
|
|
|
431 |
|
|
|
432 |
/*
|
|
|
433 |
DEFINE THE FIELDS OF A TYPE TOKEN
|
|
|
434 |
|
|
|
435 |
This routine is called when a tokenised structure or union id is defined
|
|
|
436 |
by the compound type t. It checks for any tokenised members of id
|
|
|
437 |
which may also be defined as a result of this identification. This
|
|
|
438 |
should really be done by the class merging routines.
|
|
|
439 |
*/
|
|
|
440 |
|
|
|
441 |
static void define_field_tokens
|
|
|
442 |
PROTO_N ( ( id, t ) )
|
|
|
443 |
PROTO_T ( IDENTIFIER id X TYPE t )
|
|
|
444 |
{
|
|
|
445 |
IDENTIFIER tid = DEREF_id ( id_token_alt ( id ) ) ;
|
|
|
446 |
unsigned tag = TAG_id ( tid ) ;
|
|
|
447 |
if ( tag == id_class_name_tag || tag == id_class_alias_tag ) {
|
|
|
448 |
TYPE s = DEREF_type ( id_class_name_etc_defn ( tid ) ) ;
|
|
|
449 |
if ( IS_type_compound ( s ) && IS_type_compound ( t ) ) {
|
|
|
450 |
MEMBER mem ;
|
|
|
451 |
CLASS_TYPE cs = DEREF_ctype ( type_compound_defn ( s ) ) ;
|
|
|
452 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
453 |
NAMESPACE ns = DEREF_nspace ( ctype_member ( cs ) ) ;
|
|
|
454 |
NAMESPACE nt = DEREF_nspace ( ctype_member ( ct ) ) ;
|
|
|
455 |
|
|
|
456 |
/* Check that keys match for type aliases */
|
|
|
457 |
if ( tag == id_class_alias_tag ) {
|
|
|
458 |
BASE_TYPE bs = find_class_key ( cs ) ;
|
|
|
459 |
BASE_TYPE bt = find_class_key ( ct ) ;
|
|
|
460 |
if ( !equal_key ( bs, bt ) ) {
|
|
|
461 |
PTR ( LOCATION ) loc = id_loc ( id ) ;
|
|
|
462 |
ERROR err = ERR_dcl_type_elab_bad ( bt, bs, id, loc ) ;
|
|
|
463 |
report ( crt_loc, err ) ;
|
|
|
464 |
}
|
|
|
465 |
}
|
|
|
466 |
|
|
|
467 |
/* Scan through members of ns */
|
|
|
468 |
mem = DEREF_member ( nspace_ctype_first ( ns ) ) ;
|
|
|
469 |
while ( !IS_NULL_member ( mem ) ) {
|
|
|
470 |
IDENTIFIER mid = DEREF_id ( member_id ( mem ) ) ;
|
|
|
471 |
if ( !IS_NULL_id ( mid ) && IS_id_member ( mid ) ) {
|
|
|
472 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( mid ) ) ;
|
|
|
473 |
if ( ds & dspec_token ) {
|
|
|
474 |
/* Tokenised member found */
|
|
|
475 |
HASHID nm = DEREF_hashid ( id_name ( mid ) ) ;
|
|
|
476 |
IDENTIFIER nid = search_field ( nt, nm, 0, 0 ) ;
|
|
|
477 |
if ( !IS_NULL_id ( nid ) ) {
|
|
|
478 |
/* Token definition found */
|
|
|
479 |
IDENTIFIER tok = find_token ( mid ) ;
|
|
|
480 |
ds = DEREF_dspec ( id_storage ( tok ) ) ;
|
|
|
481 |
if ( ds & dspec_pure ) {
|
|
|
482 |
LOCATION loc ;
|
|
|
483 |
DEREF_loc ( id_loc ( nid ), loc ) ;
|
|
|
484 |
report ( loc, ERR_token_def_not ( nid ) ) ;
|
|
|
485 |
} else {
|
|
|
486 |
OFFSET off ;
|
|
|
487 |
TYPE r = NULL_type ;
|
|
|
488 |
off = offset_member ( t, nid, &r, nt, 0 ) ;
|
|
|
489 |
IGNORE define_mem_token ( tok, off, r, 1 ) ;
|
|
|
490 |
}
|
|
|
491 |
} else {
|
|
|
492 |
/* Copy tokenised member */
|
|
|
493 |
MEMBER mem2 = search_member ( nt, nm, 1 ) ;
|
|
|
494 |
mid = copy_id ( mid, 0 ) ;
|
|
|
495 |
COPY_nspace ( id_parent ( mid ), nt ) ;
|
|
|
496 |
set_member ( mem2, mid ) ;
|
|
|
497 |
}
|
|
|
498 |
}
|
|
|
499 |
}
|
|
|
500 |
mem = DEREF_member ( member_next ( mem ) ) ;
|
|
|
501 |
}
|
|
|
502 |
|
|
|
503 |
/* Scan through members of nt */
|
|
|
504 |
mem = DEREF_member ( nspace_ctype_first ( nt ) ) ;
|
|
|
505 |
while ( !IS_NULL_member ( mem ) ) {
|
|
|
506 |
MEMBER mem2 = NULL_member ;
|
|
|
507 |
IDENTIFIER mid = DEREF_id ( member_id ( mem ) ) ;
|
|
|
508 |
IDENTIFIER nid = DEREF_id ( member_alt ( mem ) ) ;
|
|
|
509 |
if ( !IS_NULL_id ( mid ) ) {
|
|
|
510 |
IDENTIFIER pid ;
|
|
|
511 |
HASHID nm = DEREF_hashid ( id_name ( mid ) ) ;
|
|
|
512 |
mem2 = search_member ( ns, nm, 1 ) ;
|
|
|
513 |
mid = copy_id ( mid, 0 ) ;
|
|
|
514 |
COPY_nspace ( id_parent ( mid ), ns ) ;
|
|
|
515 |
pid = DEREF_id ( member_id ( mem2 ) ) ;
|
|
|
516 |
if ( IS_NULL_id ( pid ) ) {
|
|
|
517 |
set_member ( mem2, mid ) ;
|
|
|
518 |
}
|
|
|
519 |
}
|
|
|
520 |
if ( !IS_NULL_id ( nid ) && !EQ_id ( mid, nid ) ) {
|
|
|
521 |
if ( IS_NULL_member ( mem2 ) ) {
|
|
|
522 |
HASHID nm = DEREF_hashid ( id_name ( nid ) ) ;
|
|
|
523 |
mem2 = search_member ( ns, nm, 1 ) ;
|
|
|
524 |
}
|
|
|
525 |
nid = copy_id ( nid, 0 ) ;
|
|
|
526 |
COPY_nspace ( id_parent ( nid ), ns ) ;
|
|
|
527 |
if ( !IS_NULL_id ( nid ) ) {
|
|
|
528 |
set_type_member ( mem2, mid ) ;
|
|
|
529 |
}
|
|
|
530 |
}
|
|
|
531 |
mem = DEREF_member ( member_next ( mem ) ) ;
|
|
|
532 |
}
|
|
|
533 |
}
|
|
|
534 |
}
|
|
|
535 |
return ;
|
|
|
536 |
}
|
|
|
537 |
|
|
|
538 |
|
|
|
539 |
/*
|
|
|
540 |
CHECK A TYPE CATEGORY
|
|
|
541 |
|
|
|
542 |
This routine checks whether the type t of category ca can be used to
|
|
|
543 |
define a token of kind bt.
|
|
|
544 |
*/
|
|
|
545 |
|
|
|
546 |
static int match_type_token
|
|
|
547 |
PROTO_N ( ( bt, ca, t ) )
|
|
|
548 |
PROTO_T ( BASE_TYPE bt X unsigned ca X TYPE t )
|
|
|
549 |
{
|
|
|
550 |
int ok = 1 ;
|
|
|
551 |
if ( bt & btype_star ) {
|
|
|
552 |
/* Scalar types */
|
|
|
553 |
if ( !IS_TYPE_SCALAR ( ca ) ) ok = 0 ;
|
|
|
554 |
} else if ( bt & btype_float ) {
|
|
|
555 |
/* Arithmetic types */
|
|
|
556 |
if ( bt & btype_int ) {
|
|
|
557 |
if ( !IS_TYPE_ARITH ( ca ) ) ok = 0 ;
|
|
|
558 |
} else {
|
|
|
559 |
if ( !IS_TYPE_FLOAT ( ca ) ) ok = 0 ;
|
|
|
560 |
}
|
|
|
561 |
} else if ( bt & btype_int ) {
|
|
|
562 |
/* Integral types */
|
|
|
563 |
if ( IS_TYPE_INT ( ca ) ) {
|
|
|
564 |
if ( bt & btype_signed ) {
|
|
|
565 |
if ( check_int_type ( t, btype_unsigned ) ) ok = 0 ;
|
|
|
566 |
} else if ( bt & btype_unsigned ) {
|
|
|
567 |
if ( check_int_type ( t, btype_signed ) ) ok = 0 ;
|
|
|
568 |
}
|
|
|
569 |
} else {
|
|
|
570 |
ok = 0 ;
|
|
|
571 |
}
|
|
|
572 |
}
|
|
|
573 |
return ( ok ) ;
|
|
|
574 |
}
|
|
|
575 |
|
|
|
576 |
|
|
|
577 |
/*
|
|
|
578 |
DEFINE A TYPE TOKEN
|
|
|
579 |
|
|
|
580 |
This routine defines the type token id to be t. It returns true if
|
|
|
581 |
the token is assigned a value. qual is as in check_compatible.
|
|
|
582 |
*/
|
|
|
583 |
|
|
|
584 |
int define_type_token
|
|
|
585 |
PROTO_N ( ( id, t, qual ) )
|
|
|
586 |
PROTO_T ( IDENTIFIER id X TYPE t X int qual )
|
|
|
587 |
{
|
|
|
588 |
if ( !IS_NULL_type ( t ) ) {
|
|
|
589 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
590 |
if ( !( ds & dspec_pure ) ) {
|
|
|
591 |
TYPE s ;
|
|
|
592 |
int ok = 1 ;
|
|
|
593 |
int check_promote = 0 ;
|
|
|
594 |
TOKEN tok = find_tokdef ( id ) ;
|
|
|
595 |
if ( IS_NULL_tok ( tok ) || !IS_tok_type ( tok ) ) return ( 0 ) ;
|
|
|
596 |
s = DEREF_type ( tok_type_value ( tok ) ) ;
|
|
|
597 |
if ( !IS_NULL_type ( s ) ) {
|
|
|
598 |
ERROR err = NULL_err ;
|
|
|
599 |
t = check_compatible ( s, t, qual, &err, 1 ) ;
|
|
|
600 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
601 |
if ( ds & dspec_auto ) {
|
|
|
602 |
destroy_error ( err, 1 ) ;
|
|
|
603 |
t = redef_type ;
|
|
|
604 |
} else {
|
|
|
605 |
ERROR err2 ;
|
|
|
606 |
err2 = ERR_token_redef ( id, id_loc ( id ) ) ;
|
|
|
607 |
err = concat_error ( err, err2 ) ;
|
|
|
608 |
report ( crt_loc, err ) ;
|
|
|
609 |
}
|
|
|
610 |
ok = 0 ;
|
|
|
611 |
}
|
|
|
612 |
} else {
|
|
|
613 |
unsigned ca = type_category ( &t ) ;
|
|
|
614 |
BASE_TYPE bt = DEREF_btype ( tok_type_kind ( tok ) ) ;
|
|
|
615 |
if ( !( bt & btype_template ) ) {
|
|
|
616 |
/* Tokens */
|
|
|
617 |
ERROR err = NULL_err ;
|
|
|
618 |
switch ( TAG_type ( t ) ) {
|
|
|
619 |
case type_ref_tag :
|
|
|
620 |
case type_func_tag :
|
|
|
621 |
case type_bitfield_tag : {
|
|
|
622 |
/* These types can't be tokenised */
|
|
|
623 |
ok = 0 ;
|
|
|
624 |
break ;
|
|
|
625 |
}
|
|
|
626 |
case type_compound_tag : {
|
|
|
627 |
/* Can only tokenise trivial classes */
|
|
|
628 |
if ( bt != btype_none || !( ds & dspec_auto ) ) {
|
|
|
629 |
CLASS_TYPE ct ;
|
|
|
630 |
ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
631 |
err = check_trivial_class ( ct ) ;
|
|
|
632 |
if ( !IS_NULL_err ( err ) ) ok = 0 ;
|
|
|
633 |
}
|
|
|
634 |
break ;
|
|
|
635 |
}
|
|
|
636 |
}
|
|
|
637 |
if ( bt ) {
|
|
|
638 |
if ( bt & btype_named ) {
|
|
|
639 |
/* Structure and union types */
|
|
|
640 |
if ( IS_type_compound ( t ) ) {
|
|
|
641 |
if ( !( ds & dspec_auto ) ) {
|
|
|
642 |
/* Check structure fields */
|
|
|
643 |
define_field_tokens ( id, t ) ;
|
|
|
644 |
}
|
|
|
645 |
} else {
|
|
|
646 |
ok = 0 ;
|
|
|
647 |
}
|
|
|
648 |
} else {
|
|
|
649 |
/* Check scalar types */
|
|
|
650 |
if ( !match_type_token ( bt, ca, t ) ) ok = 0 ;
|
|
|
651 |
}
|
|
|
652 |
if ( bt & btype_int ) check_promote = ok ;
|
|
|
653 |
}
|
|
|
654 |
if ( !ok ) {
|
|
|
655 |
/* Report any type mismatch errors */
|
|
|
656 |
if ( !IS_type_error ( t ) ) {
|
|
|
657 |
int lex = type_token_key ( bt ) ;
|
|
|
658 |
ERROR err2 = ERR_token_arg_type ( lex, id, t ) ;
|
|
|
659 |
err = concat_error ( err, err2 ) ;
|
|
|
660 |
report ( crt_loc, err ) ;
|
|
|
661 |
t = type_error ;
|
|
|
662 |
}
|
|
|
663 |
}
|
|
|
664 |
}
|
|
|
665 |
if ( !IS_TYPE_INT ( ca ) ) check_promote = 0 ;
|
|
|
666 |
}
|
|
|
667 |
COPY_type ( tok_type_value ( tok ), t ) ;
|
|
|
668 |
if ( ds & dspec_auto ) {
|
|
|
669 |
check_promote = 0 ;
|
|
|
670 |
} else {
|
|
|
671 |
no_token_defns++ ;
|
|
|
672 |
}
|
|
|
673 |
ds |= dspec_defn ;
|
|
|
674 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
675 |
COPY_loc ( id_loc ( id ), crt_loc ) ;
|
|
|
676 |
if ( check_promote ) {
|
|
|
677 |
/* Check that promoted types are compatible */
|
|
|
678 |
s = apply_itype_token ( id, NULL_list ( TOKEN ) ) ;
|
|
|
679 |
t = promote_type ( t ) ;
|
|
|
680 |
set_promote_type ( s, t, ntype_none ) ;
|
|
|
681 |
}
|
|
|
682 |
return ( ok ) ;
|
|
|
683 |
}
|
|
|
684 |
}
|
|
|
685 |
return ( 0 ) ;
|
|
|
686 |
}
|
|
|
687 |
|
|
|
688 |
|
|
|
689 |
/*
|
|
|
690 |
DEFINE A TEMPLATE TEMPLATE PARAMETER
|
|
|
691 |
|
|
|
692 |
This routine defines the template template parameter id to be the
|
|
|
693 |
class given by tid. It returns true if the parameter is assigned a
|
|
|
694 |
value.
|
|
|
695 |
*/
|
|
|
696 |
|
|
|
697 |
int define_templ_token
|
|
|
698 |
PROTO_N ( ( id, tid ) )
|
|
|
699 |
PROTO_T ( IDENTIFIER id X IDENTIFIER tid )
|
|
|
700 |
{
|
|
|
701 |
if ( !IS_NULL_id ( tid ) ) {
|
|
|
702 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
703 |
if ( !( ds & dspec_pure ) ) {
|
|
|
704 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
705 |
if ( IS_tok_class ( tok ) ) {
|
|
|
706 |
int ok = 0 ;
|
|
|
707 |
IDENTIFIER sid = DEREF_id ( tok_class_value ( tok ) ) ;
|
|
|
708 |
if ( EQ_id ( sid, tid ) ) return ( 1 ) ;
|
|
|
709 |
if ( IS_id_class_name_etc ( tid ) ) {
|
|
|
710 |
TYPE t = DEREF_type ( tok_class_type ( tok ) ) ;
|
|
|
711 |
TYPE s = DEREF_type ( id_class_name_etc_defn ( tid ) ) ;
|
|
|
712 |
if ( IS_type_templ ( t ) && IS_type_templ ( s ) ) {
|
|
|
713 |
/* Check for equality of template parameters */
|
|
|
714 |
LIST ( IDENTIFIER ) ps, pt ;
|
|
|
715 |
TOKEN as = DEREF_tok ( type_templ_sort ( s ) ) ;
|
|
|
716 |
TOKEN at = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
717 |
ps = DEREF_list ( tok_templ_pids ( as ) ) ;
|
|
|
718 |
pt = DEREF_list ( tok_templ_pids ( at ) ) ;
|
|
|
719 |
ok = eq_templ_params ( ps, pt ) ;
|
|
|
720 |
restore_templ_params ( ps ) ;
|
|
|
721 |
}
|
|
|
722 |
if ( !ok ) {
|
|
|
723 |
/* Report illegal definitions */
|
|
|
724 |
ERROR err = ERR_temp_arg_templ_bad ( id, s ) ;
|
|
|
725 |
report ( crt_loc, err ) ;
|
|
|
726 |
}
|
|
|
727 |
if ( !IS_NULL_id ( sid ) ) {
|
|
|
728 |
/* Check for redefinitions */
|
|
|
729 |
if ( ds & dspec_auto ) {
|
|
|
730 |
tid = redef_id ;
|
|
|
731 |
} else {
|
|
|
732 |
PTR ( LOCATION ) loc = id_loc ( id ) ;
|
|
|
733 |
report ( crt_loc, ERR_token_redef ( id, loc ) ) ;
|
|
|
734 |
}
|
|
|
735 |
ok = 0 ;
|
|
|
736 |
}
|
|
|
737 |
} else {
|
|
|
738 |
ok = 0 ;
|
|
|
739 |
}
|
|
|
740 |
COPY_id ( tok_class_value ( tok ), tid ) ;
|
|
|
741 |
if ( !( ds & dspec_auto ) ) no_token_defns++ ;
|
|
|
742 |
ds |= dspec_defn ;
|
|
|
743 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
744 |
COPY_loc ( id_loc ( id ), crt_loc ) ;
|
|
|
745 |
return ( ok ) ;
|
|
|
746 |
}
|
|
|
747 |
}
|
|
|
748 |
}
|
|
|
749 |
return ( 0 ) ;
|
|
|
750 |
}
|
|
|
751 |
|
|
|
752 |
|
|
|
753 |
/*
|
|
|
754 |
DEFINE A MEMBER TOKEN
|
|
|
755 |
|
|
|
756 |
This routine defines the member token id to be a member of offset off
|
|
|
757 |
and type t. It returns true if the token is assigned a value. ext is
|
|
|
758 |
true for an external token definition.
|
|
|
759 |
*/
|
|
|
760 |
|
|
|
761 |
int define_mem_token
|
|
|
762 |
PROTO_N ( ( id, off, t, ext ) )
|
|
|
763 |
PROTO_T ( IDENTIFIER id X OFFSET off X TYPE t X int ext )
|
|
|
764 |
{
|
|
|
765 |
if ( !IS_NULL_off ( off ) ) {
|
|
|
766 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
767 |
if ( ( ds & dspec_auto ) && ext ) {
|
|
|
768 |
ERROR err = ERR_class_mem_redecl ( id, id_loc ( id ) ) ;
|
|
|
769 |
report ( crt_loc, err ) ;
|
|
|
770 |
} else if ( !( ds & dspec_pure ) ) {
|
|
|
771 |
TOKEN tok = find_tokdef ( id ) ;
|
|
|
772 |
if ( !IS_NULL_tok ( tok ) && IS_tok_member ( tok ) ) {
|
|
|
773 |
TYPE u ;
|
|
|
774 |
ERROR err = NULL_err ;
|
|
|
775 |
TYPE s = DEREF_type ( tok_member_type ( tok ) ) ;
|
|
|
776 |
OFFSET d = DEREF_off ( tok_member_value ( tok ) ) ;
|
|
|
777 |
if ( !IS_NULL_off ( d ) && !eq_offset ( off, d, 0 ) ) {
|
|
|
778 |
if ( ds & dspec_auto ) {
|
|
|
779 |
off = redef_off ;
|
|
|
780 |
} else {
|
|
|
781 |
PTR ( LOCATION ) loc = id_loc ( id ) ;
|
|
|
782 |
report ( crt_loc, ERR_token_redef ( id, loc ) ) ;
|
|
|
783 |
}
|
|
|
784 |
}
|
|
|
785 |
u = check_compatible ( s, t, 0, &err, 0 ) ;
|
|
|
786 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
787 |
/* Member type is wrong */
|
|
|
788 |
if ( eq_type_offset ( s, t ) ) {
|
|
|
789 |
/* Types have same representation */
|
|
|
790 |
err = set_severity ( err, OPT_member_incompat, -1 ) ;
|
|
|
791 |
}
|
|
|
792 |
err = concat_error ( err, ERR_token_arg_mem ( id ) ) ;
|
|
|
793 |
report ( crt_loc, err ) ;
|
|
|
794 |
}
|
|
|
795 |
COPY_off ( tok_member_value ( tok ), off ) ;
|
|
|
796 |
if ( !( ds & dspec_auto ) ) {
|
|
|
797 |
if ( IS_type_error ( s ) ) {
|
|
|
798 |
/* Fill in type if not known */
|
|
|
799 |
IDENTIFIER mid = DEREF_id ( id_token_alt ( id ) ) ;
|
|
|
800 |
COPY_type ( tok_member_type ( tok ), u ) ;
|
|
|
801 |
u = lvalue_type ( u ) ;
|
|
|
802 |
COPY_type ( id_member_type ( mid ), u ) ;
|
|
|
803 |
}
|
|
|
804 |
no_token_defns++ ;
|
|
|
805 |
}
|
|
|
806 |
ds |= dspec_defn ;
|
|
|
807 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
808 |
COPY_loc ( id_loc ( id ), crt_loc ) ;
|
|
|
809 |
UNUSED ( ext ) ;
|
|
|
810 |
return ( 1 ) ;
|
|
|
811 |
}
|
|
|
812 |
}
|
|
|
813 |
}
|
|
|
814 |
return ( 0 ) ;
|
|
|
815 |
}
|
|
|
816 |
|
|
|
817 |
|
|
|
818 |
/*
|
|
|
819 |
DEFINE A FUNCTION TOKEN
|
|
|
820 |
|
|
|
821 |
This routine defines the function token id to be the function fid.
|
|
|
822 |
*/
|
|
|
823 |
|
|
|
824 |
int define_func_token
|
|
|
825 |
PROTO_N ( ( id, fid ) )
|
|
|
826 |
PROTO_T ( IDENTIFIER id X IDENTIFIER fid )
|
|
|
827 |
{
|
|
|
828 |
if ( !IS_NULL_id ( fid ) ) {
|
|
|
829 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
830 |
if ( !( ds & dspec_pure ) ) {
|
|
|
831 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
832 |
if ( IS_tok_func ( tok ) ) {
|
|
|
833 |
int eq = 0 ;
|
|
|
834 |
int redef = 0 ;
|
|
|
835 |
LIST ( IDENTIFIER ) pids = NULL_list ( IDENTIFIER ) ;
|
|
|
836 |
TYPE t = DEREF_type ( tok_func_type ( tok ) ) ;
|
|
|
837 |
TOKEN res = DEREF_tok ( tok_func_proc ( tok ) ) ;
|
|
|
838 |
IDENTIFIER pid = DEREF_id ( tok_func_defn ( tok ) ) ;
|
|
|
839 |
IDENTIFIER qid = resolve_func ( fid, t, 1, 0, pids, &eq ) ;
|
|
|
840 |
if ( !IS_NULL_id ( qid ) ) {
|
|
|
841 |
switch ( TAG_id ( qid ) ) {
|
|
|
842 |
case id_function_tag :
|
|
|
843 |
case id_stat_mem_func_tag : {
|
|
|
844 |
use_id ( qid, 0 ) ;
|
|
|
845 |
break ;
|
|
|
846 |
}
|
|
|
847 |
default : {
|
|
|
848 |
qid = NULL_id ;
|
|
|
849 |
break ;
|
|
|
850 |
}
|
|
|
851 |
}
|
|
|
852 |
}
|
|
|
853 |
if ( IS_NULL_id ( qid ) ) {
|
|
|
854 |
report ( crt_loc, ERR_token_def_func ( fid, t ) ) ;
|
|
|
855 |
qid = fid ;
|
|
|
856 |
} else {
|
|
|
857 |
TYPE s = DEREF_type ( id_function_etc_type ( qid ) ) ;
|
|
|
858 |
if ( eq == 2 ) {
|
|
|
859 |
report ( crt_loc, ERR_dcl_link_conv () ) ;
|
|
|
860 |
}
|
|
|
861 |
if ( eq_except ( s, t ) != 2 ) {
|
|
|
862 |
report ( crt_loc, ERR_token_def_except () ) ;
|
|
|
863 |
}
|
|
|
864 |
}
|
|
|
865 |
if ( !IS_NULL_tok ( res ) ) {
|
|
|
866 |
/* Previously defined by macro */
|
|
|
867 |
redef = 1 ;
|
|
|
868 |
}
|
|
|
869 |
if ( !IS_NULL_id ( pid ) && !EQ_id ( pid, qid ) ) {
|
|
|
870 |
/* Previously defined by different function */
|
|
|
871 |
redef = 1 ;
|
|
|
872 |
}
|
|
|
873 |
if ( redef ) {
|
|
|
874 |
PTR ( LOCATION ) loc = id_loc ( id ) ;
|
|
|
875 |
report ( crt_loc, ERR_token_redef ( id, loc ) ) ;
|
|
|
876 |
}
|
|
|
877 |
COPY_id ( tok_func_defn ( tok ), qid ) ;
|
|
|
878 |
if ( !( ds & dspec_auto ) ) no_token_defns++ ;
|
|
|
879 |
ds |= dspec_defn ;
|
|
|
880 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
881 |
COPY_loc ( id_loc ( id ), crt_loc ) ;
|
|
|
882 |
return ( 1 ) ;
|
|
|
883 |
}
|
|
|
884 |
}
|
|
|
885 |
}
|
|
|
886 |
return ( 0 ) ;
|
|
|
887 |
}
|
|
|
888 |
|
|
|
889 |
|
|
|
890 |
/*
|
|
|
891 |
PROCEDURE TOKEN FLAG
|
|
|
892 |
|
|
|
893 |
This variable is used to keep track of the depth of procedure token
|
|
|
894 |
arguments being read.
|
|
|
895 |
*/
|
|
|
896 |
|
|
|
897 |
int in_proc_token = 0 ;
|
|
|
898 |
|
|
|
899 |
|
|
|
900 |
/*
|
|
|
901 |
FIND A TOKEN MEMBER TYPE
|
|
|
902 |
|
|
|
903 |
If id represents a member token then this routine returns the type
|
|
|
904 |
of which id is a member, suitably expanded. Otherwise the null type
|
|
|
905 |
is returned. This represents the only barrier to doing argument
|
|
|
906 |
deduction in procedure tokens independently for each argument - if
|
|
|
907 |
a member parameter is a member of a previous structure parameter
|
|
|
908 |
(as in offsetof), we need to know the value of the structure
|
|
|
909 |
argument before we can decode the member argument.
|
|
|
910 |
*/
|
|
|
911 |
|
|
|
912 |
static TYPE expand_member_type
|
|
|
913 |
PROTO_N ( ( id ) )
|
|
|
914 |
PROTO_T ( IDENTIFIER id )
|
|
|
915 |
{
|
|
|
916 |
TYPE t = NULL_type ;
|
|
|
917 |
TOKEN tok = find_tokdef ( id ) ;
|
|
|
918 |
if ( !IS_NULL_tok ( tok ) && IS_tok_member ( tok ) ) {
|
|
|
919 |
t = DEREF_type ( tok_member_of ( tok ) ) ;
|
|
|
920 |
t = expand_type ( t, 1 ) ;
|
|
|
921 |
}
|
|
|
922 |
return ( t ) ;
|
|
|
923 |
}
|
|
|
924 |
|
|
|
925 |
|
|
|
926 |
/*
|
|
|
927 |
PARSE A TOKEN DEFINITION
|
|
|
928 |
|
|
|
929 |
This routine reads the definition of the token id. It returns true
|
|
|
930 |
if a value is assigned to the token. If mt is not null it is the
|
|
|
931 |
class type for a member token. fn is true for procedure tokens and
|
|
|
932 |
mac is true is true for macro token definitions.
|
|
|
933 |
*/
|
|
|
934 |
|
|
|
935 |
static int parse_token
|
|
|
936 |
PROTO_N ( ( id, t, fn, mac, pids ) )
|
|
|
937 |
PROTO_T ( IDENTIFIER id X TYPE t X int fn X int mac X
|
|
|
938 |
LIST ( IDENTIFIER ) pids )
|
|
|
939 |
{
|
|
|
940 |
int def ;
|
|
|
941 |
TOKEN tok = NULL_tok ;
|
|
|
942 |
unsigned tag = null_tag ;
|
|
|
943 |
if ( IS_id_token ( id ) ) {
|
|
|
944 |
/* Find token sort */
|
|
|
945 |
tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
946 |
if ( fn ) tok = find_tokdef ( id ) ;
|
|
|
947 |
tag = TAG_tok ( tok ) ;
|
|
|
948 |
}
|
|
|
949 |
switch ( tag ) {
|
|
|
950 |
|
|
|
951 |
case tok_exp_tag :
|
|
|
952 |
case tok_nat_tag :
|
|
|
953 |
case tok_snat_tag : {
|
|
|
954 |
/* Expression tokens */
|
|
|
955 |
EXP e = NULL_exp ;
|
|
|
956 |
ERROR err = NULL_err ;
|
|
|
957 |
int tn = crt_lex_token ;
|
|
|
958 |
if ( mac && tn == lex_newline && tag == tok_exp_tag ) {
|
|
|
959 |
/* Map empty definition to default value */
|
|
|
960 |
TYPE s = DEREF_type ( tok_exp_type ( tok ) ) ;
|
|
|
961 |
e = init_empty ( s, cv_none, 1, &err ) ;
|
|
|
962 |
} else if ( mac && tn == lex_open_Hbrace_H1 ) {
|
|
|
963 |
parse_init ( id, &e ) ;
|
|
|
964 |
} else {
|
|
|
965 |
parse_exp ( &e ) ;
|
|
|
966 |
}
|
|
|
967 |
if ( !IS_NULL_exp ( e ) && tag == tok_exp_tag ) {
|
|
|
968 |
/* Deal with overloaded functions */
|
|
|
969 |
TYPE s = DEREF_type ( tok_exp_type ( tok ) ) ;
|
|
|
970 |
force_tokdef++ ;
|
|
|
971 |
e = resolve_cast ( s, e, &err, 1, 0, pids ) ;
|
|
|
972 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
973 |
err = concat_error ( err, ERR_token_arg_exp ( id ) ) ;
|
|
|
974 |
report ( crt_loc, err ) ;
|
|
|
975 |
}
|
|
|
976 |
force_tokdef-- ;
|
|
|
977 |
}
|
|
|
978 |
def = define_exp_token ( id, e, 1 ) ;
|
|
|
979 |
break ;
|
|
|
980 |
}
|
|
|
981 |
|
|
|
982 |
case tok_stmt_tag : {
|
|
|
983 |
/* Statement tokens */
|
|
|
984 |
EXP e ;
|
|
|
985 |
EXP a = NULL_exp ;
|
|
|
986 |
int ic = in_class_defn ;
|
|
|
987 |
int fd = in_function_defn ;
|
|
|
988 |
int uc = unreached_code ;
|
|
|
989 |
TYPE r = crt_func_return ;
|
|
|
990 |
NAMESPACE bns = block_namespace ;
|
|
|
991 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
992 |
IDENTIFIER fid = DEREF_id ( id_token_alt ( id ) ) ;
|
|
|
993 |
unreached_code = 0 ;
|
|
|
994 |
if ( fd ) {
|
|
|
995 |
if ( !( ds & dspec_auto ) ) {
|
|
|
996 |
/* Force return errors */
|
|
|
997 |
crt_func_return = NULL_type ;
|
|
|
998 |
}
|
|
|
999 |
} else {
|
|
|
1000 |
/* Treat as dummy function definition */
|
|
|
1001 |
in_class_defn = 0 ;
|
|
|
1002 |
in_function_defn = fd + 1 ;
|
|
|
1003 |
really_in_function_defn++ ;
|
|
|
1004 |
begin_function ( fid ) ;
|
|
|
1005 |
crt_func_return = NULL_type ;
|
|
|
1006 |
}
|
|
|
1007 |
block_namespace = NULL_nspace ;
|
|
|
1008 |
e = begin_compound_stmt ( 1 ) ;
|
|
|
1009 |
parse_stmt ( &a ) ;
|
|
|
1010 |
e = add_compound_stmt ( e, a ) ;
|
|
|
1011 |
e = end_compound_stmt ( e ) ;
|
|
|
1012 |
if ( fd ) {
|
|
|
1013 |
if ( ds & dspec_auto ) {
|
|
|
1014 |
/* Set dummy parent statement */
|
|
|
1015 |
MAKE_exp_token ( type_void, id, NULL_list ( TOKEN ), a ) ;
|
|
|
1016 |
set_parent_stmt ( e, a ) ;
|
|
|
1017 |
}
|
|
|
1018 |
} else {
|
|
|
1019 |
/* End dummy function definition */
|
|
|
1020 |
if ( crt_access_list.pending ) {
|
|
|
1021 |
IGNORE report_access ( fid ) ;
|
|
|
1022 |
}
|
|
|
1023 |
e = end_function ( fid, e ) ;
|
|
|
1024 |
really_in_function_defn-- ;
|
|
|
1025 |
in_function_defn = fd ;
|
|
|
1026 |
in_class_defn = ic ;
|
|
|
1027 |
}
|
|
|
1028 |
unreached_code = uc ;
|
|
|
1029 |
block_namespace = bns ;
|
|
|
1030 |
crt_func_return = r ;
|
|
|
1031 |
def = define_exp_token ( id, e, 1 ) ;
|
|
|
1032 |
break ;
|
|
|
1033 |
}
|
|
|
1034 |
|
|
|
1035 |
case tok_member_tag : {
|
|
|
1036 |
/* Member tokens */
|
|
|
1037 |
TYPE s = type_error ;
|
|
|
1038 |
OFFSET off = NULL_off ;
|
|
|
1039 |
if ( IS_NULL_type ( t ) ) t = expand_member_type ( id ) ;
|
|
|
1040 |
parse_offset ( NULL_off, t, &off, &s ) ;
|
|
|
1041 |
def = define_mem_token ( id, off, s, 0 ) ;
|
|
|
1042 |
break ;
|
|
|
1043 |
}
|
|
|
1044 |
|
|
|
1045 |
case tok_func_tag : {
|
|
|
1046 |
/* Function tokens */
|
|
|
1047 |
IDENTIFIER fid = NULL_id ;
|
|
|
1048 |
parse_id ( &fid ) ;
|
|
|
1049 |
def = define_func_token ( id, fid ) ;
|
|
|
1050 |
break ;
|
|
|
1051 |
}
|
|
|
1052 |
|
|
|
1053 |
default : {
|
|
|
1054 |
/* Type tokens */
|
|
|
1055 |
TYPE s = NULL_type ;
|
|
|
1056 |
have_type_specifier = 0 ;
|
|
|
1057 |
parse_type ( &s ) ;
|
|
|
1058 |
if ( tag == tok_type_tag ) {
|
|
|
1059 |
/* Simple type token */
|
|
|
1060 |
def = define_type_token ( id, s, 0 ) ;
|
|
|
1061 |
} else {
|
|
|
1062 |
/* Complex type value */
|
|
|
1063 |
TYPE r = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
1064 |
force_tokdef++ ;
|
|
|
1065 |
def = eq_type ( r, s ) ;
|
|
|
1066 |
if ( !def && !IS_NULL_type ( s ) ) {
|
|
|
1067 |
ERROR err = ERR_token_arg_type ( lex_type_Hcap, id, s ) ;
|
|
|
1068 |
report ( crt_loc, err ) ;
|
|
|
1069 |
}
|
|
|
1070 |
force_tokdef-- ;
|
|
|
1071 |
}
|
|
|
1072 |
break ;
|
|
|
1073 |
}
|
|
|
1074 |
}
|
|
|
1075 |
return ( def ) ;
|
|
|
1076 |
}
|
|
|
1077 |
|
|
|
1078 |
|
|
|
1079 |
/*
|
|
|
1080 |
SET A TOKEN VALUE
|
|
|
1081 |
|
|
|
1082 |
This routine sets the value of the token id to be arg.
|
|
|
1083 |
*/
|
|
|
1084 |
|
|
|
1085 |
void assign_token
|
|
|
1086 |
PROTO_N ( ( id, arg ) )
|
|
|
1087 |
PROTO_T ( IDENTIFIER id X TOKEN arg )
|
|
|
1088 |
{
|
|
|
1089 |
if ( !IS_NULL_tok ( arg ) ) {
|
|
|
1090 |
TOKEN sort = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1091 |
unsigned na = TAG_tok ( arg ) ;
|
|
|
1092 |
unsigned nb = TAG_tok ( sort ) ;
|
|
|
1093 |
if ( nb == tok_proc_tag ) {
|
|
|
1094 |
sort = DEREF_tok ( tok_proc_res ( sort ) ) ;
|
|
|
1095 |
nb = TAG_tok ( sort ) ;
|
|
|
1096 |
}
|
|
|
1097 |
if ( na == nb ) {
|
|
|
1098 |
switch ( na ) {
|
|
|
1099 |
case tok_exp_tag : {
|
|
|
1100 |
EXP e = DEREF_exp ( tok_exp_value ( arg ) ) ;
|
|
|
1101 |
COPY_exp ( tok_exp_value ( sort ), e ) ;
|
|
|
1102 |
break ;
|
|
|
1103 |
}
|
|
|
1104 |
case tok_nat_tag :
|
|
|
1105 |
case tok_snat_tag : {
|
|
|
1106 |
NAT n = DEREF_nat ( tok_nat_etc_value ( arg ) ) ;
|
|
|
1107 |
COPY_nat ( tok_nat_etc_value ( sort ), n ) ;
|
|
|
1108 |
break ;
|
|
|
1109 |
}
|
|
|
1110 |
case tok_stmt_tag : {
|
|
|
1111 |
EXP e = DEREF_exp ( tok_stmt_value ( arg ) ) ;
|
|
|
1112 |
COPY_exp ( tok_stmt_value ( sort ), e ) ;
|
|
|
1113 |
break ;
|
|
|
1114 |
}
|
|
|
1115 |
case tok_member_tag : {
|
|
|
1116 |
OFFSET off = DEREF_off ( tok_member_value ( arg ) ) ;
|
|
|
1117 |
COPY_off ( tok_member_value ( sort ), off ) ;
|
|
|
1118 |
break ;
|
|
|
1119 |
}
|
|
|
1120 |
case tok_type_tag : {
|
|
|
1121 |
TYPE t = DEREF_type ( tok_type_value ( arg ) ) ;
|
|
|
1122 |
COPY_type ( tok_type_value ( sort ), t ) ;
|
|
|
1123 |
break ;
|
|
|
1124 |
}
|
|
|
1125 |
case tok_class_tag : {
|
|
|
1126 |
IDENTIFIER cid = DEREF_id ( tok_class_value ( arg ) ) ;
|
|
|
1127 |
COPY_id ( tok_class_value ( sort ), cid ) ;
|
|
|
1128 |
break ;
|
|
|
1129 |
}
|
|
|
1130 |
}
|
|
|
1131 |
}
|
|
|
1132 |
}
|
|
|
1133 |
return ;
|
|
|
1134 |
}
|
|
|
1135 |
|
|
|
1136 |
|
|
|
1137 |
/*
|
|
|
1138 |
TOKEN ARGUMENT STACKS
|
|
|
1139 |
|
|
|
1140 |
These stacks are used to store the values of the token arguments to
|
|
|
1141 |
allow for recursive token applications.
|
|
|
1142 |
*/
|
|
|
1143 |
|
|
|
1144 |
static STACK ( EXP ) token_exp_stack = NULL_stack ( EXP ) ;
|
|
|
1145 |
static STACK ( NAT ) token_nat_stack = NULL_stack ( NAT ) ;
|
|
|
1146 |
static STACK ( EXP ) token_stmt_stack = NULL_stack ( EXP ) ;
|
|
|
1147 |
static STACK ( OFFSET ) token_mem_stack = NULL_stack ( OFFSET ) ;
|
|
|
1148 |
static STACK ( TYPE ) token_type_stack = NULL_stack ( TYPE ) ;
|
|
|
1149 |
static STACK ( IDENTIFIER ) token_class_stack = NULL_stack ( IDENTIFIER ) ;
|
|
|
1150 |
|
|
|
1151 |
|
|
|
1152 |
/*
|
|
|
1153 |
SAVE TOKEN ARGUMENT VALUES
|
|
|
1154 |
|
|
|
1155 |
This routine saves the argument values for the token parameters pids
|
|
|
1156 |
by pushing them onto the stacks above. The argument values set to those
|
|
|
1157 |
stored in args, or the null value when these are exhausted. The routine
|
|
|
1158 |
also clears the pure field of the token, returning 0 if they were
|
|
|
1159 |
previously set.
|
|
|
1160 |
*/
|
|
|
1161 |
|
|
|
1162 |
int save_token_args
|
|
|
1163 |
PROTO_N ( ( pids, args ) )
|
|
|
1164 |
PROTO_T ( LIST ( IDENTIFIER ) pids X LIST ( TOKEN ) args )
|
|
|
1165 |
{
|
|
|
1166 |
int depth = 1 ;
|
|
|
1167 |
LIST ( IDENTIFIER ) bids = pids ;
|
|
|
1168 |
while ( !IS_NULL_list ( bids ) ) {
|
|
|
1169 |
IDENTIFIER bid = DEREF_id ( HEAD_list ( bids ) ) ;
|
|
|
1170 |
|
|
|
1171 |
/* Get argument token value */
|
|
|
1172 |
TOKEN atok = NULL_tok ;
|
|
|
1173 |
unsigned at = null_tag ;
|
|
|
1174 |
if ( !IS_NULL_list ( args ) ) {
|
|
|
1175 |
atok = DEREF_tok ( HEAD_list ( args ) ) ;
|
|
|
1176 |
if ( !IS_NULL_tok ( atok ) ) at = TAG_tok ( atok ) ;
|
|
|
1177 |
args = TAIL_list ( args ) ;
|
|
|
1178 |
}
|
|
|
1179 |
|
|
|
1180 |
/* Save previous token value */
|
|
|
1181 |
if ( !IS_NULL_id ( bid ) && IS_id_token ( bid ) ) {
|
|
|
1182 |
DECL_SPEC ds ;
|
|
|
1183 |
TOKEN btok = DEREF_tok ( id_token_sort ( bid ) ) ;
|
|
|
1184 |
unsigned bt = TAG_tok ( btok ) ;
|
|
|
1185 |
switch ( bt ) {
|
|
|
1186 |
case tok_exp_tag : {
|
|
|
1187 |
EXP e = DEREF_exp ( tok_exp_value ( btok ) ) ;
|
|
|
1188 |
PUSH_exp ( e, token_exp_stack ) ;
|
|
|
1189 |
if ( at == bt ) {
|
|
|
1190 |
e = DEREF_exp ( tok_exp_value ( atok ) ) ;
|
|
|
1191 |
} else {
|
|
|
1192 |
e = NULL_exp ;
|
|
|
1193 |
}
|
|
|
1194 |
COPY_exp ( tok_exp_value ( btok ), e ) ;
|
|
|
1195 |
break ;
|
|
|
1196 |
}
|
|
|
1197 |
case tok_nat_tag :
|
|
|
1198 |
case tok_snat_tag : {
|
|
|
1199 |
NAT n = DEREF_nat ( tok_nat_etc_value ( btok ) ) ;
|
|
|
1200 |
PUSH_nat ( n, token_nat_stack ) ;
|
|
|
1201 |
if ( at == bt ) {
|
|
|
1202 |
n = DEREF_nat ( tok_nat_etc_value ( atok ) ) ;
|
|
|
1203 |
} else {
|
|
|
1204 |
n = NULL_nat ;
|
|
|
1205 |
}
|
|
|
1206 |
COPY_nat ( tok_nat_etc_value ( btok ), n ) ;
|
|
|
1207 |
break ;
|
|
|
1208 |
}
|
|
|
1209 |
case tok_stmt_tag : {
|
|
|
1210 |
EXP e = DEREF_exp ( tok_stmt_value ( btok ) ) ;
|
|
|
1211 |
PUSH_exp ( e, token_stmt_stack ) ;
|
|
|
1212 |
if ( at == bt ) {
|
|
|
1213 |
e = DEREF_exp ( tok_stmt_value ( atok ) ) ;
|
|
|
1214 |
} else {
|
|
|
1215 |
e = NULL_exp ;
|
|
|
1216 |
}
|
|
|
1217 |
COPY_exp ( tok_stmt_value ( btok ), e ) ;
|
|
|
1218 |
break ;
|
|
|
1219 |
}
|
|
|
1220 |
case tok_member_tag : {
|
|
|
1221 |
OFFSET off = DEREF_off ( tok_member_value ( btok ) ) ;
|
|
|
1222 |
PUSH_off ( off, token_mem_stack ) ;
|
|
|
1223 |
if ( at == bt ) {
|
|
|
1224 |
off = DEREF_off ( tok_member_value ( atok ) ) ;
|
|
|
1225 |
} else {
|
|
|
1226 |
off = NULL_off ;
|
|
|
1227 |
}
|
|
|
1228 |
COPY_off ( tok_member_value ( btok ), off ) ;
|
|
|
1229 |
break ;
|
|
|
1230 |
}
|
|
|
1231 |
case tok_type_tag : {
|
|
|
1232 |
TYPE t = DEREF_type ( tok_type_value ( btok ) ) ;
|
|
|
1233 |
PUSH_type ( t, token_type_stack ) ;
|
|
|
1234 |
if ( at == bt ) {
|
|
|
1235 |
t = DEREF_type ( tok_type_value ( atok ) ) ;
|
|
|
1236 |
} else {
|
|
|
1237 |
t = NULL_type ;
|
|
|
1238 |
}
|
|
|
1239 |
COPY_type ( tok_type_value ( btok ), t ) ;
|
|
|
1240 |
break ;
|
|
|
1241 |
}
|
|
|
1242 |
case tok_class_tag : {
|
|
|
1243 |
IDENTIFIER cid = DEREF_id ( tok_class_value ( btok ) ) ;
|
|
|
1244 |
PUSH_id ( cid, token_class_stack ) ;
|
|
|
1245 |
if ( at == bt ) {
|
|
|
1246 |
cid = DEREF_id ( tok_class_value ( atok ) ) ;
|
|
|
1247 |
} else {
|
|
|
1248 |
cid = NULL_id ;
|
|
|
1249 |
}
|
|
|
1250 |
COPY_id ( tok_class_value ( btok ), cid ) ;
|
|
|
1251 |
break ;
|
|
|
1252 |
}
|
|
|
1253 |
default : {
|
|
|
1254 |
/* Procedure arguments not allowed */
|
|
|
1255 |
break ;
|
|
|
1256 |
}
|
|
|
1257 |
}
|
|
|
1258 |
|
|
|
1259 |
/* Allow definition of parameter */
|
|
|
1260 |
ds = DEREF_dspec ( id_storage ( bid ) ) ;
|
|
|
1261 |
if ( ds & dspec_pure ) {
|
|
|
1262 |
ds &= ~dspec_pure ;
|
|
|
1263 |
COPY_dspec ( id_storage ( bid ), ds ) ;
|
|
|
1264 |
depth = 0 ;
|
|
|
1265 |
}
|
|
|
1266 |
}
|
|
|
1267 |
bids = TAIL_list ( bids ) ;
|
|
|
1268 |
}
|
|
|
1269 |
in_proc_token++ ;
|
|
|
1270 |
return ( depth ) ;
|
|
|
1271 |
}
|
|
|
1272 |
|
|
|
1273 |
|
|
|
1274 |
/*
|
|
|
1275 |
RESTORE TOKEN ARGUMENT VALUES
|
|
|
1276 |
|
|
|
1277 |
This routine restores the argument values for the token parameters
|
|
|
1278 |
pids by popping them from the stacks above. The pure field of the
|
|
|
1279 |
tokens is set if depth is 0.
|
|
|
1280 |
*/
|
|
|
1281 |
|
|
|
1282 |
void restore_token_args
|
|
|
1283 |
PROTO_N ( ( pids, depth ) )
|
|
|
1284 |
PROTO_T ( LIST ( IDENTIFIER ) pids X int depth )
|
|
|
1285 |
{
|
|
|
1286 |
LIST ( IDENTIFIER ) bids = pids ;
|
|
|
1287 |
if ( !IS_NULL_list ( bids ) ) {
|
|
|
1288 |
IDENTIFIER bid = DEREF_id ( HEAD_list ( bids ) ) ;
|
|
|
1289 |
bids = TAIL_list ( bids ) ;
|
|
|
1290 |
if ( !IS_NULL_list ( bids ) ) {
|
|
|
1291 |
restore_token_args ( bids, depth ) ;
|
|
|
1292 |
in_proc_token++ ;
|
|
|
1293 |
}
|
|
|
1294 |
if ( !IS_NULL_id ( bid ) && IS_id_token ( bid ) ) {
|
|
|
1295 |
TOKEN btok = DEREF_tok ( id_token_sort ( bid ) ) ;
|
|
|
1296 |
unsigned bt = TAG_tok ( btok ) ;
|
|
|
1297 |
switch ( bt ) {
|
|
|
1298 |
case tok_exp_tag : {
|
|
|
1299 |
EXP e ;
|
|
|
1300 |
POP_exp ( e, token_exp_stack ) ;
|
|
|
1301 |
COPY_exp ( tok_exp_value ( btok ), e ) ;
|
|
|
1302 |
break ;
|
|
|
1303 |
}
|
|
|
1304 |
case tok_nat_tag :
|
|
|
1305 |
case tok_snat_tag : {
|
|
|
1306 |
NAT n ;
|
|
|
1307 |
POP_nat ( n, token_nat_stack ) ;
|
|
|
1308 |
COPY_nat ( tok_nat_etc_value ( btok ), n ) ;
|
|
|
1309 |
break ;
|
|
|
1310 |
}
|
|
|
1311 |
case tok_stmt_tag : {
|
|
|
1312 |
EXP e ;
|
|
|
1313 |
POP_exp ( e, token_stmt_stack ) ;
|
|
|
1314 |
COPY_exp ( tok_stmt_value ( btok ), e ) ;
|
|
|
1315 |
break ;
|
|
|
1316 |
}
|
|
|
1317 |
case tok_member_tag : {
|
|
|
1318 |
OFFSET off ;
|
|
|
1319 |
POP_off ( off, token_mem_stack ) ;
|
|
|
1320 |
COPY_off ( tok_member_value ( btok ), off ) ;
|
|
|
1321 |
break ;
|
|
|
1322 |
}
|
|
|
1323 |
case tok_type_tag : {
|
|
|
1324 |
TYPE t ;
|
|
|
1325 |
POP_type ( t, token_type_stack ) ;
|
|
|
1326 |
COPY_type ( tok_type_value ( btok ), t ) ;
|
|
|
1327 |
break ;
|
|
|
1328 |
}
|
|
|
1329 |
case tok_class_tag : {
|
|
|
1330 |
IDENTIFIER cid ;
|
|
|
1331 |
POP_id ( cid, token_class_stack ) ;
|
|
|
1332 |
COPY_id ( tok_class_value ( btok ), cid ) ;
|
|
|
1333 |
break ;
|
|
|
1334 |
}
|
|
|
1335 |
default : {
|
|
|
1336 |
/* Procedure arguments not allowed */
|
|
|
1337 |
break ;
|
|
|
1338 |
}
|
|
|
1339 |
}
|
|
|
1340 |
if ( depth == 0 ) {
|
|
|
1341 |
/* Can't define parameter at outer level */
|
|
|
1342 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( bid ) ) ;
|
|
|
1343 |
ds |= dspec_pure ;
|
|
|
1344 |
COPY_dspec ( id_storage ( bid ), ds ) ;
|
|
|
1345 |
}
|
|
|
1346 |
}
|
|
|
1347 |
}
|
|
|
1348 |
in_proc_token-- ;
|
|
|
1349 |
return ;
|
|
|
1350 |
}
|
|
|
1351 |
|
|
|
1352 |
|
|
|
1353 |
/*
|
|
|
1354 |
MERGE TOKEN ARGUMENT VALUES
|
|
|
1355 |
|
|
|
1356 |
This routine merges the argument values for the token parameters
|
|
|
1357 |
pids with the values popped off the stacks above. It returns true
|
|
|
1358 |
if the merge was successful. The pure field of the tokens is set
|
|
|
1359 |
if depth is 0.
|
|
|
1360 |
*/
|
|
|
1361 |
|
|
|
1362 |
int merge_token_args
|
|
|
1363 |
PROTO_N ( ( pids, depth, qual ) )
|
|
|
1364 |
PROTO_T ( LIST ( IDENTIFIER ) pids X int depth X int qual )
|
|
|
1365 |
{
|
|
|
1366 |
int ok = 1 ;
|
|
|
1367 |
LIST ( IDENTIFIER ) bids = pids ;
|
|
|
1368 |
if ( !IS_NULL_list ( bids ) ) {
|
|
|
1369 |
IDENTIFIER bid = DEREF_id ( HEAD_list ( bids ) ) ;
|
|
|
1370 |
bids = TAIL_list ( bids ) ;
|
|
|
1371 |
if ( !IS_NULL_list ( bids ) ) {
|
|
|
1372 |
ok = merge_token_args ( bids, depth, qual ) ;
|
|
|
1373 |
in_proc_token++ ;
|
|
|
1374 |
}
|
|
|
1375 |
if ( !IS_NULL_id ( bid ) && IS_id_token ( bid ) ) {
|
|
|
1376 |
TOKEN btok = DEREF_tok ( id_token_sort ( bid ) ) ;
|
|
|
1377 |
unsigned bt = TAG_tok ( btok ) ;
|
|
|
1378 |
switch ( bt ) {
|
|
|
1379 |
case tok_exp_tag : {
|
|
|
1380 |
EXP e ;
|
|
|
1381 |
POP_exp ( e, token_exp_stack ) ;
|
|
|
1382 |
if ( !IS_NULL_exp ( e ) ) {
|
|
|
1383 |
if ( !define_exp_token ( bid, e, 1 ) ) ok = 0 ;
|
|
|
1384 |
}
|
|
|
1385 |
break ;
|
|
|
1386 |
}
|
|
|
1387 |
case tok_nat_tag :
|
|
|
1388 |
case tok_snat_tag : {
|
|
|
1389 |
NAT n ;
|
|
|
1390 |
POP_nat ( n, token_nat_stack ) ;
|
|
|
1391 |
if ( !IS_NULL_nat ( n ) ) {
|
|
|
1392 |
if ( !define_nat_token ( bid, n ) ) ok = 0 ;
|
|
|
1393 |
}
|
|
|
1394 |
break ;
|
|
|
1395 |
}
|
|
|
1396 |
case tok_stmt_tag : {
|
|
|
1397 |
EXP e ;
|
|
|
1398 |
POP_exp ( e, token_stmt_stack ) ;
|
|
|
1399 |
if ( !IS_NULL_exp ( e ) ) {
|
|
|
1400 |
if ( !define_exp_token ( bid, e, 1 ) ) ok = 0 ;
|
|
|
1401 |
}
|
|
|
1402 |
break ;
|
|
|
1403 |
}
|
|
|
1404 |
case tok_member_tag : {
|
|
|
1405 |
OFFSET off ;
|
|
|
1406 |
POP_off ( off, token_mem_stack ) ;
|
|
|
1407 |
if ( !IS_NULL_off ( off ) ) {
|
|
|
1408 |
TYPE t = DEREF_type ( tok_member_type ( btok ) ) ;
|
|
|
1409 |
if ( !define_mem_token ( bid, off, t, 0 ) ) ok = 0 ;
|
|
|
1410 |
}
|
|
|
1411 |
break ;
|
|
|
1412 |
}
|
|
|
1413 |
case tok_type_tag : {
|
|
|
1414 |
TYPE t ;
|
|
|
1415 |
POP_type ( t, token_type_stack ) ;
|
|
|
1416 |
if ( !IS_NULL_type ( t ) ) {
|
|
|
1417 |
if ( !define_type_token ( bid, t, qual ) ) ok = 0 ;
|
|
|
1418 |
}
|
|
|
1419 |
break ;
|
|
|
1420 |
}
|
|
|
1421 |
case tok_class_tag : {
|
|
|
1422 |
IDENTIFIER cid ;
|
|
|
1423 |
POP_id ( cid, token_class_stack ) ;
|
|
|
1424 |
if ( !IS_NULL_id ( cid ) ) {
|
|
|
1425 |
if ( !define_templ_token ( bid, cid ) ) ok = 0 ;
|
|
|
1426 |
}
|
|
|
1427 |
break ;
|
|
|
1428 |
}
|
|
|
1429 |
default : {
|
|
|
1430 |
/* Procedure arguments not allowed */
|
|
|
1431 |
break ;
|
|
|
1432 |
}
|
|
|
1433 |
}
|
|
|
1434 |
if ( depth == 0 ) {
|
|
|
1435 |
/* Can't define parameter at outer level */
|
|
|
1436 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( bid ) ) ;
|
|
|
1437 |
ds |= dspec_pure ;
|
|
|
1438 |
COPY_dspec ( id_storage ( bid ), ds ) ;
|
|
|
1439 |
}
|
|
|
1440 |
}
|
|
|
1441 |
}
|
|
|
1442 |
in_proc_token-- ;
|
|
|
1443 |
return ( ok ) ;
|
|
|
1444 |
}
|
|
|
1445 |
|
|
|
1446 |
|
|
|
1447 |
/*
|
|
|
1448 |
HAS A TOKEN BEEN BOUND?
|
|
|
1449 |
|
|
|
1450 |
This routine checks whether a value has been bound to the token tok.
|
|
|
1451 |
If def is true then a dummy value is constructed for unbound values.
|
|
|
1452 |
*/
|
|
|
1453 |
|
|
|
1454 |
int is_bound_tok
|
|
|
1455 |
PROTO_N ( ( tok, def ) )
|
|
|
1456 |
PROTO_T ( TOKEN tok X int def )
|
|
|
1457 |
{
|
|
|
1458 |
int bound = 1 ;
|
|
|
1459 |
if ( !IS_NULL_tok ( tok ) ) {
|
|
|
1460 |
switch ( TAG_tok ( tok ) ) {
|
|
|
1461 |
case tok_exp_tag : {
|
|
|
1462 |
/* Expression tokens */
|
|
|
1463 |
EXP e = DEREF_exp ( tok_exp_value ( tok ) ) ;
|
|
|
1464 |
if ( IS_NULL_exp ( e ) || EQ_exp ( e, redef_exp ) ) {
|
|
|
1465 |
if ( def ) {
|
|
|
1466 |
TYPE t = DEREF_type ( tok_exp_type ( tok ) ) ;
|
|
|
1467 |
MAKE_exp_value ( t, e ) ;
|
|
|
1468 |
COPY_exp ( tok_exp_value ( tok ), e ) ;
|
|
|
1469 |
}
|
|
|
1470 |
bound = 0 ;
|
|
|
1471 |
}
|
|
|
1472 |
break ;
|
|
|
1473 |
}
|
|
|
1474 |
case tok_nat_tag :
|
|
|
1475 |
case tok_snat_tag : {
|
|
|
1476 |
/* Integer constant tokens */
|
|
|
1477 |
NAT n = DEREF_nat ( tok_nat_etc_value ( tok ) ) ;
|
|
|
1478 |
if ( IS_NULL_nat ( n ) || EQ_nat ( n, redef_nat ) ) {
|
|
|
1479 |
if ( def ) {
|
|
|
1480 |
n = small_nat [1] ;
|
|
|
1481 |
COPY_nat ( tok_nat_etc_value ( tok ), n ) ;
|
|
|
1482 |
}
|
|
|
1483 |
bound = 0 ;
|
|
|
1484 |
}
|
|
|
1485 |
break ;
|
|
|
1486 |
}
|
|
|
1487 |
case tok_stmt_tag : {
|
|
|
1488 |
/* Statement tokens */
|
|
|
1489 |
EXP e = DEREF_exp ( tok_stmt_value ( tok ) ) ;
|
|
|
1490 |
if ( IS_NULL_exp ( e ) || EQ_exp ( e, redef_exp ) ) {
|
|
|
1491 |
if ( def ) {
|
|
|
1492 |
MAKE_exp_value ( type_void, e ) ;
|
|
|
1493 |
COPY_exp ( tok_stmt_value ( tok ), e ) ;
|
|
|
1494 |
}
|
|
|
1495 |
bound = 0 ;
|
|
|
1496 |
}
|
|
|
1497 |
break ;
|
|
|
1498 |
}
|
|
|
1499 |
case tok_member_tag : {
|
|
|
1500 |
/* Member tokens */
|
|
|
1501 |
OFFSET off = DEREF_off ( tok_member_value ( tok ) ) ;
|
|
|
1502 |
if ( IS_NULL_off ( off ) || EQ_off ( off, redef_off ) ) {
|
|
|
1503 |
if ( def ) {
|
|
|
1504 |
TYPE t = DEREF_type ( tok_member_type ( tok ) ) ;
|
|
|
1505 |
MAKE_off_zero ( t, off ) ;
|
|
|
1506 |
COPY_off ( tok_member_value ( tok ), off ) ;
|
|
|
1507 |
}
|
|
|
1508 |
bound = 0 ;
|
|
|
1509 |
}
|
|
|
1510 |
break ;
|
|
|
1511 |
}
|
|
|
1512 |
case tok_type_tag : {
|
|
|
1513 |
/* Type tokens */
|
|
|
1514 |
TYPE t = DEREF_type ( tok_type_value ( tok ) ) ;
|
|
|
1515 |
if ( IS_NULL_type ( t ) || EQ_type ( t, redef_type ) ) {
|
|
|
1516 |
if ( def ) {
|
|
|
1517 |
t = type_error ;
|
|
|
1518 |
COPY_type ( tok_type_value ( tok ), t ) ;
|
|
|
1519 |
}
|
|
|
1520 |
bound = 0 ;
|
|
|
1521 |
}
|
|
|
1522 |
break ;
|
|
|
1523 |
}
|
|
|
1524 |
case tok_class_tag : {
|
|
|
1525 |
/* Template class tokens */
|
|
|
1526 |
IDENTIFIER cid = DEREF_id ( tok_class_value ( tok ) ) ;
|
|
|
1527 |
if ( IS_NULL_id ( cid ) || EQ_id ( cid, redef_id ) ) {
|
|
|
1528 |
if ( def ) {
|
|
|
1529 |
HASHID nm = KEYWORD ( lex_zzzz ) ;
|
|
|
1530 |
cid = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
1531 |
COPY_id ( tok_class_value ( tok ), cid ) ;
|
|
|
1532 |
}
|
|
|
1533 |
bound = 0 ;
|
|
|
1534 |
}
|
|
|
1535 |
break ;
|
|
|
1536 |
}
|
|
|
1537 |
}
|
|
|
1538 |
}
|
|
|
1539 |
return ( bound ) ;
|
|
|
1540 |
}
|
|
|
1541 |
|
|
|
1542 |
|
|
|
1543 |
/*
|
|
|
1544 |
CONSTRUCT A LIST OF TOKEN ARGUMENTS
|
|
|
1545 |
|
|
|
1546 |
This routine constructs a list of token arguments for the token id
|
|
|
1547 |
from the token parameters pids. Any errors arising from undefined
|
|
|
1548 |
parameters are added to err.
|
|
|
1549 |
*/
|
|
|
1550 |
|
|
|
1551 |
LIST ( TOKEN ) make_token_args
|
|
|
1552 |
PROTO_N ( ( id, pids, err ) )
|
|
|
1553 |
PROTO_T ( IDENTIFIER id X LIST ( IDENTIFIER ) pids X ERROR *err )
|
|
|
1554 |
{
|
|
|
1555 |
LIST ( TOKEN ) args = NULL_list ( TOKEN ) ;
|
|
|
1556 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
1557 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1558 |
if ( !IS_NULL_id ( pid ) && IS_id_token ( pid ) ) {
|
|
|
1559 |
TOKEN tok = DEREF_tok ( id_token_sort ( pid ) ) ;
|
|
|
1560 |
if ( !is_bound_tok ( tok, 1 ) ) {
|
|
|
1561 |
/* Token parameter not defined */
|
|
|
1562 |
if ( IS_id_token ( id ) ) {
|
|
|
1563 |
add_error ( err, ERR_token_arg_undef ( pid, id ) ) ;
|
|
|
1564 |
} else {
|
|
|
1565 |
add_error ( err, ERR_temp_deduct_undef ( pid, id ) ) ;
|
|
|
1566 |
}
|
|
|
1567 |
}
|
|
|
1568 |
tok = expand_sort ( tok, 2, 1 ) ;
|
|
|
1569 |
CONS_tok ( tok, args, args ) ;
|
|
|
1570 |
}
|
|
|
1571 |
pids = TAIL_list ( pids ) ;
|
|
|
1572 |
}
|
|
|
1573 |
args = REVERSE_list ( args ) ;
|
|
|
1574 |
return ( args ) ;
|
|
|
1575 |
}
|
|
|
1576 |
|
|
|
1577 |
|
|
|
1578 |
/*
|
|
|
1579 |
SKIP TOKEN ARGUMENTS
|
|
|
1580 |
|
|
|
1581 |
This routine skips a set of token arguments for the token id. It is
|
|
|
1582 |
entered with the current token pointing to the token name preceding
|
|
|
1583 |
the initial open bracket.
|
|
|
1584 |
*/
|
|
|
1585 |
|
|
|
1586 |
PPTOKEN *skip_token_args
|
|
|
1587 |
PROTO_N ( ( id ) )
|
|
|
1588 |
PROTO_T ( IDENTIFIER id )
|
|
|
1589 |
{
|
|
|
1590 |
PPTOKEN *q ;
|
|
|
1591 |
LOCATION loc ;
|
|
|
1592 |
int brackets = 0 ;
|
|
|
1593 |
PPTOKEN *p = crt_token ;
|
|
|
1594 |
loc = crt_loc ;
|
|
|
1595 |
for ( ; ; ) {
|
|
|
1596 |
int t = expand_preproc ( EXPAND_AHEAD ) ;
|
|
|
1597 |
if ( t == lex_open_Hround ) {
|
|
|
1598 |
brackets++ ;
|
|
|
1599 |
} else if ( t == lex_close_Hround ) {
|
|
|
1600 |
if ( --brackets == 0 ) break ;
|
|
|
1601 |
} else if ( t == lex_eof ) {
|
|
|
1602 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1603 |
report ( loc, ERR_cpp_replace_arg_eof ( nm ) ) ;
|
|
|
1604 |
break ;
|
|
|
1605 |
}
|
|
|
1606 |
}
|
|
|
1607 |
q = p->next ;
|
|
|
1608 |
snip_tokens ( q, crt_token ) ;
|
|
|
1609 |
crt_token = p ;
|
|
|
1610 |
return ( q ) ;
|
|
|
1611 |
}
|
|
|
1612 |
|
|
|
1613 |
|
|
|
1614 |
/*
|
|
|
1615 |
PARSE A SET OF TOKEN ARGUMENTS
|
|
|
1616 |
|
|
|
1617 |
This routine parses the preprocessing tokens p as a list of arguments
|
|
|
1618 |
for the procedure token id.
|
|
|
1619 |
*/
|
|
|
1620 |
|
|
|
1621 |
static LIST ( TOKEN ) parse_token_args
|
|
|
1622 |
PROTO_N ( ( id, p ) )
|
|
|
1623 |
PROTO_T ( IDENTIFIER id X PPTOKEN *p )
|
|
|
1624 |
{
|
|
|
1625 |
int t ;
|
|
|
1626 |
int d = 0 ;
|
|
|
1627 |
int ok = 1 ;
|
|
|
1628 |
PARSE_STATE st ;
|
|
|
1629 |
unsigned m = 0 ;
|
|
|
1630 |
int started = 0 ;
|
|
|
1631 |
LIST ( TOKEN ) args ;
|
|
|
1632 |
ERROR err = NULL_err ;
|
|
|
1633 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1634 |
LIST ( IDENTIFIER ) pids = DEREF_list ( tok_proc_pids ( tok ) ) ;
|
|
|
1635 |
LIST ( IDENTIFIER ) bids = DEREF_list ( tok_proc_bids ( tok ) ) ;
|
|
|
1636 |
unsigned n = LENGTH_list ( pids ) ;
|
|
|
1637 |
|
|
|
1638 |
/* Initialise parser */
|
|
|
1639 |
save_state ( &st, 1 ) ;
|
|
|
1640 |
init_parser ( p ) ;
|
|
|
1641 |
ADVANCE_LEXER ;
|
|
|
1642 |
t = crt_lex_token ;
|
|
|
1643 |
if ( t == lex_open_Hround || t == lex_open_Htemplate ) {
|
|
|
1644 |
ADVANCE_LEXER ;
|
|
|
1645 |
}
|
|
|
1646 |
if ( IS_NULL_list ( pids ) ) {
|
|
|
1647 |
/* Empty parameter list */
|
|
|
1648 |
t = crt_lex_token ;
|
|
|
1649 |
if ( t == lex_close_Hround || t == lex_close_Htemplate ) {
|
|
|
1650 |
ADVANCE_LEXER ;
|
|
|
1651 |
}
|
|
|
1652 |
} else {
|
|
|
1653 |
/* Non-empty parameter list */
|
|
|
1654 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
1655 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1656 |
if ( !IS_NULL_id ( pid ) ) {
|
|
|
1657 |
TYPE mt = NULL_type ;
|
|
|
1658 |
t = crt_lex_token ;
|
|
|
1659 |
if ( t == lex_close_Hround || t == lex_close_Htemplate ) {
|
|
|
1660 |
ADVANCE_LEXER ;
|
|
|
1661 |
break ;
|
|
|
1662 |
}
|
|
|
1663 |
if ( started ) {
|
|
|
1664 |
/* Each argument deduction is (nearly) independent */
|
|
|
1665 |
mt = expand_member_type ( pid ) ;
|
|
|
1666 |
d = save_token_args ( bids, NULL_list ( TOKEN ) ) ;
|
|
|
1667 |
}
|
|
|
1668 |
if ( !parse_token ( pid, mt, 1, 0, bids ) ) ok = 0 ;
|
|
|
1669 |
if ( started ) {
|
|
|
1670 |
/* Combine argument deductions */
|
|
|
1671 |
IGNORE merge_token_args ( bids, d, 2 ) ;
|
|
|
1672 |
}
|
|
|
1673 |
started = 1 ;
|
|
|
1674 |
if ( have_syntax_error ) {
|
|
|
1675 |
ok = 0 ;
|
|
|
1676 |
break ;
|
|
|
1677 |
}
|
|
|
1678 |
} else {
|
|
|
1679 |
ok = 0 ;
|
|
|
1680 |
break ;
|
|
|
1681 |
}
|
|
|
1682 |
m++ ;
|
|
|
1683 |
t = crt_lex_token ;
|
|
|
1684 |
if ( t == lex_close_Hround || t == lex_close_Htemplate ) {
|
|
|
1685 |
ADVANCE_LEXER ;
|
|
|
1686 |
break ;
|
|
|
1687 |
}
|
|
|
1688 |
pids = TAIL_list ( pids ) ;
|
|
|
1689 |
if ( !IS_NULL_list ( pids ) ) {
|
|
|
1690 |
if ( t == lex_comma ) {
|
|
|
1691 |
ADVANCE_LEXER ;
|
|
|
1692 |
} else {
|
|
|
1693 |
report ( crt_loc, ERR_lex_expect ( lex_comma ) ) ;
|
|
|
1694 |
}
|
|
|
1695 |
}
|
|
|
1696 |
}
|
|
|
1697 |
}
|
|
|
1698 |
|
|
|
1699 |
/* Check for end of arguments */
|
|
|
1700 |
if ( ok ) {
|
|
|
1701 |
t = crt_lex_token ;
|
|
|
1702 |
if ( t == lex_comma ) {
|
|
|
1703 |
m = n + 1 ;
|
|
|
1704 |
} else if ( t != lex_eof ) {
|
|
|
1705 |
ERROR err2 = ERR_lex_parse ( crt_token ) ;
|
|
|
1706 |
report ( crt_loc, err2 ) ;
|
|
|
1707 |
ok = 0 ;
|
|
|
1708 |
}
|
|
|
1709 |
if ( ok && m != n ) {
|
|
|
1710 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1711 |
ERROR err2 = ERR_cpp_replace_arg_number ( nm, m, m, n ) ;
|
|
|
1712 |
report ( crt_loc, err2 ) ;
|
|
|
1713 |
}
|
|
|
1714 |
IGNORE check_value ( OPT_VAL_macro_args, ( ulong ) m ) ;
|
|
|
1715 |
}
|
|
|
1716 |
|
|
|
1717 |
/* Restore state */
|
|
|
1718 |
restore_state ( &st ) ;
|
|
|
1719 |
p = restore_parser () ;
|
|
|
1720 |
free_tok_list ( p ) ;
|
|
|
1721 |
|
|
|
1722 |
/* Construct token arguments */
|
|
|
1723 |
args = make_token_args ( id, bids, &err ) ;
|
|
|
1724 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
1725 |
if ( ok ) {
|
|
|
1726 |
report ( crt_loc, err ) ;
|
|
|
1727 |
} else {
|
|
|
1728 |
destroy_error ( err, 1 ) ;
|
|
|
1729 |
}
|
|
|
1730 |
}
|
|
|
1731 |
return ( args ) ;
|
|
|
1732 |
}
|
|
|
1733 |
|
|
|
1734 |
|
|
|
1735 |
/*
|
|
|
1736 |
PARSE AN EXPRESSION TOKEN
|
|
|
1737 |
|
|
|
1738 |
This routine applies the expression procedure token id to the
|
|
|
1739 |
arguments given by the preprocessing tokens p.
|
|
|
1740 |
*/
|
|
|
1741 |
|
|
|
1742 |
EXP parse_exp_token
|
|
|
1743 |
PROTO_N ( ( id, p ) )
|
|
|
1744 |
PROTO_T ( IDENTIFIER id X PPTOKEN *p )
|
|
|
1745 |
{
|
|
|
1746 |
EXP e ;
|
|
|
1747 |
LIST ( TOKEN ) args ;
|
|
|
1748 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1749 |
LIST ( IDENTIFIER ) bids = DEREF_list ( tok_proc_bids ( tok ) ) ;
|
|
|
1750 |
int d = save_token_args ( bids, NULL_list ( TOKEN ) ) ;
|
|
|
1751 |
args = parse_token_args ( id, p ) ;
|
|
|
1752 |
e = apply_exp_token ( id, args, 2 ) ;
|
|
|
1753 |
restore_token_args ( bids, d ) ;
|
|
|
1754 |
return ( e ) ;
|
|
|
1755 |
}
|
|
|
1756 |
|
|
|
1757 |
|
|
|
1758 |
/*
|
|
|
1759 |
PARSE A TYPE TOKEN
|
|
|
1760 |
|
|
|
1761 |
This routine applies the type procedure token id to the arguments
|
|
|
1762 |
given by the preprocessing tokens p.
|
|
|
1763 |
*/
|
|
|
1764 |
|
|
|
1765 |
TYPE parse_type_token
|
|
|
1766 |
PROTO_N ( ( id, p ) )
|
|
|
1767 |
PROTO_T ( IDENTIFIER id X PPTOKEN *p )
|
|
|
1768 |
{
|
|
|
1769 |
TYPE t ;
|
|
|
1770 |
if ( IS_id_token ( id ) ) {
|
|
|
1771 |
/* Type token */
|
|
|
1772 |
LIST ( TOKEN ) args ;
|
|
|
1773 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1774 |
LIST ( IDENTIFIER ) bids = DEREF_list ( tok_proc_bids ( tok ) ) ;
|
|
|
1775 |
int d = save_token_args ( bids, NULL_list ( TOKEN ) ) ;
|
|
|
1776 |
args = parse_token_args ( id, p ) ;
|
|
|
1777 |
t = apply_type_token ( id, args, NULL_id ) ;
|
|
|
1778 |
restore_token_args ( bids, d ) ;
|
|
|
1779 |
} else {
|
|
|
1780 |
/* Typedef template */
|
|
|
1781 |
t = parse_typedef_templ ( id, p ) ;
|
|
|
1782 |
}
|
|
|
1783 |
return ( t ) ;
|
|
|
1784 |
}
|
|
|
1785 |
|
|
|
1786 |
|
|
|
1787 |
/*
|
|
|
1788 |
PARSE A MEMBER TOKEN
|
|
|
1789 |
|
|
|
1790 |
This routine applies the member procedure token id to the arguments
|
|
|
1791 |
given by the preprocessing tokens p.
|
|
|
1792 |
*/
|
|
|
1793 |
|
|
|
1794 |
OFFSET parse_mem_token
|
|
|
1795 |
PROTO_N ( ( id, p ) )
|
|
|
1796 |
PROTO_T ( IDENTIFIER id X PPTOKEN *p )
|
|
|
1797 |
{
|
|
|
1798 |
OFFSET off ;
|
|
|
1799 |
LIST ( TOKEN ) args ;
|
|
|
1800 |
TOKEN tok = DEREF_tok ( id_token_sort ( id ) ) ;
|
|
|
1801 |
LIST ( IDENTIFIER ) bids = DEREF_list ( tok_proc_bids ( tok ) ) ;
|
|
|
1802 |
int d = save_token_args ( bids, NULL_list ( TOKEN ) ) ;
|
|
|
1803 |
args = parse_token_args ( id, p ) ;
|
|
|
1804 |
off = apply_mem_token ( id, args ) ;
|
|
|
1805 |
restore_token_args ( bids, d ) ;
|
|
|
1806 |
return ( off ) ;
|
|
|
1807 |
}
|
|
|
1808 |
|
|
|
1809 |
|
|
|
1810 |
/*
|
|
|
1811 |
DEFINE A TOKEN USING A MACRO
|
|
|
1812 |
|
|
|
1813 |
This routine defines the tokenised object id by means of the macro
|
|
|
1814 |
mid. It returns true if this is possible.
|
|
|
1815 |
*/
|
|
|
1816 |
|
|
|
1817 |
int define_token_macro
|
|
|
1818 |
PROTO_N ( ( id, mid ) )
|
|
|
1819 |
PROTO_T ( IDENTIFIER id X IDENTIFIER mid )
|
|
|
1820 |
{
|
|
|
1821 |
DECL_SPEC fds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1822 |
IDENTIFIER tid = find_token ( id ) ;
|
|
|
1823 |
if ( IS_id_token ( tid ) ) {
|
|
|
1824 |
int fn = 1 ;
|
|
|
1825 |
PPTOKEN *p ;
|
|
|
1826 |
PPTOKEN *r ;
|
|
|
1827 |
LOCATION loc ;
|
|
|
1828 |
PARSE_STATE st ;
|
|
|
1829 |
STACK ( EXP ) tries ;
|
|
|
1830 |
LIST ( IDENTIFIER ) pids ;
|
|
|
1831 |
LIST ( TYPE ) ex = univ_type_set ;
|
|
|
1832 |
TOKEN tok = DEREF_tok ( id_token_sort ( tid ) ) ;
|
|
|
1833 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( tid ) ) ;
|
|
|
1834 |
|
|
|
1835 |
/* Find token definition */
|
|
|
1836 |
if ( IS_id_obj_macro ( mid ) ) {
|
|
|
1837 |
switch ( TAG_tok ( tok ) ) {
|
|
|
1838 |
case tok_func_tag : {
|
|
|
1839 |
/* Function tokens read as identifiers */
|
|
|
1840 |
IGNORE find_func_token ( id, ( unsigned ) UINT_MAX ) ;
|
|
|
1841 |
COPY_dspec ( id_storage ( id ), ( fds & ~dspec_token ) ) ;
|
|
|
1842 |
fn = 0 ;
|
|
|
1843 |
break ;
|
|
|
1844 |
}
|
|
|
1845 |
case tok_templ_tag :
|
|
|
1846 |
case tok_proc_tag : {
|
|
|
1847 |
/* Can't have procedure tokens */
|
|
|
1848 |
report ( preproc_loc, ERR_token_def_args ( id ) ) ;
|
|
|
1849 |
return ( 1 ) ;
|
|
|
1850 |
}
|
|
|
1851 |
}
|
|
|
1852 |
p = DEREF_pptok ( id_obj_macro_defn ( mid ) ) ;
|
|
|
1853 |
} else {
|
|
|
1854 |
unsigned n = DEREF_unsigned ( id_func_macro_no_params ( mid ) ) ;
|
|
|
1855 |
switch ( TAG_tok ( tok ) ) {
|
|
|
1856 |
case tok_func_tag : {
|
|
|
1857 |
/* Find function token with n parameters */
|
|
|
1858 |
TYPE t = DEREF_type ( tok_func_type ( tok ) ) ;
|
|
|
1859 |
tid = find_func_token ( id, n ) ;
|
|
|
1860 |
if ( IS_NULL_id ( tid ) ) {
|
|
|
1861 |
report ( preproc_loc, ERR_token_def_args ( id ) ) ;
|
|
|
1862 |
return ( 1 ) ;
|
|
|
1863 |
}
|
|
|
1864 |
tok = DEREF_tok ( id_token_sort ( tid ) ) ;
|
|
|
1865 |
tok = func_proc_token ( tok ) ;
|
|
|
1866 |
id = DEREF_id ( id_token_alt ( tid ) ) ;
|
|
|
1867 |
fds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1868 |
COPY_dspec ( id_storage ( id ), ( fds & ~dspec_token ) ) ;
|
|
|
1869 |
ex = DEREF_list ( type_func_except ( t ) ) ;
|
|
|
1870 |
break ;
|
|
|
1871 |
}
|
|
|
1872 |
case tok_proc_tag : {
|
|
|
1873 |
/* Procedure tokens */
|
|
|
1874 |
pids = DEREF_list ( tok_proc_pids ( tok ) ) ;
|
|
|
1875 |
if ( LENGTH_list ( pids ) != n ) {
|
|
|
1876 |
report ( preproc_loc, ERR_token_def_args ( id ) ) ;
|
|
|
1877 |
return ( 1 ) ;
|
|
|
1878 |
}
|
|
|
1879 |
break ;
|
|
|
1880 |
}
|
|
|
1881 |
default : {
|
|
|
1882 |
/* Can't have simple tokens */
|
|
|
1883 |
report ( preproc_loc, ERR_token_def_args ( id ) ) ;
|
|
|
1884 |
return ( 1 ) ;
|
|
|
1885 |
}
|
|
|
1886 |
}
|
|
|
1887 |
p = DEREF_pptok ( id_func_macro_defn ( mid ) ) ;
|
|
|
1888 |
}
|
|
|
1889 |
|
|
|
1890 |
/* Expand token definition */
|
|
|
1891 |
p = expand_tok_list ( p ) ;
|
|
|
1892 |
r = new_pptok () ;
|
|
|
1893 |
r->tok = lex_newline ;
|
|
|
1894 |
r->next = NULL ;
|
|
|
1895 |
if ( p == NULL ) {
|
|
|
1896 |
p = r ;
|
|
|
1897 |
} else {
|
|
|
1898 |
PPTOKEN *q = p ;
|
|
|
1899 |
while ( q->next ) q = q->next ;
|
|
|
1900 |
q->next = r ;
|
|
|
1901 |
}
|
|
|
1902 |
|
|
|
1903 |
/* Allow for procedure tokens */
|
|
|
1904 |
if ( IS_tok_proc ( tok ) ) {
|
|
|
1905 |
NAMESPACE ns ;
|
|
|
1906 |
PPTOKEN *q = p ;
|
|
|
1907 |
pids = DEREF_list ( tok_proc_pids ( tok ) ) ;
|
|
|
1908 |
while ( q != NULL ) {
|
|
|
1909 |
if ( q->tok == lex_macro_Harg ) {
|
|
|
1910 |
unsigned long pn = q->pp_data.par.no - 1 ;
|
|
|
1911 |
LIST ( IDENTIFIER ) qids = pids ;
|
|
|
1912 |
while ( pn && !IS_NULL_list ( qids ) ) {
|
|
|
1913 |
qids = TAIL_list ( qids ) ;
|
|
|
1914 |
pn-- ;
|
|
|
1915 |
}
|
|
|
1916 |
if ( !IS_NULL_list ( qids ) ) {
|
|
|
1917 |
IDENTIFIER qid = DEREF_id ( HEAD_list ( qids ) ) ;
|
|
|
1918 |
if ( !IS_NULL_id ( qid ) ) {
|
|
|
1919 |
HASHID qnm = DEREF_hashid ( id_name ( qid ) ) ;
|
|
|
1920 |
q->tok = lex_identifier ;
|
|
|
1921 |
q->pp_data.id.hash = qnm ;
|
|
|
1922 |
q->pp_data.id.use = qid ;
|
|
|
1923 |
}
|
|
|
1924 |
}
|
|
|
1925 |
}
|
|
|
1926 |
q = q->next ;
|
|
|
1927 |
}
|
|
|
1928 |
pids = DEREF_list ( tok_proc_bids ( tok ) ) ;
|
|
|
1929 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
1930 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1931 |
if ( !IS_NULL_id ( pid ) ) {
|
|
|
1932 |
DECL_SPEC pds = DEREF_dspec ( id_storage ( pid ) ) ;
|
|
|
1933 |
pds |= dspec_pure ;
|
|
|
1934 |
COPY_dspec ( id_storage ( pid ), pds ) ;
|
|
|
1935 |
}
|
|
|
1936 |
pids = TAIL_list ( pids ) ;
|
|
|
1937 |
}
|
|
|
1938 |
ns = DEREF_nspace ( tok_proc_pars ( tok ) ) ;
|
|
|
1939 |
add_namespace ( ns ) ;
|
|
|
1940 |
}
|
|
|
1941 |
|
|
|
1942 |
/* Parse token */
|
|
|
1943 |
loc = crt_loc ;
|
|
|
1944 |
bad_crt_loc++ ;
|
|
|
1945 |
crt_loc = preproc_loc ;
|
|
|
1946 |
tries = crt_try_blocks ;
|
|
|
1947 |
start_try_check ( ex ) ;
|
|
|
1948 |
save_state ( &st, 0 ) ;
|
|
|
1949 |
init_parser ( p ) ;
|
|
|
1950 |
ADVANCE_LEXER ;
|
|
|
1951 |
pids = NULL_list ( IDENTIFIER ) ;
|
|
|
1952 |
IGNORE parse_token ( tid, NULL_type, fn, 1, pids ) ;
|
|
|
1953 |
if ( !have_syntax_error && crt_lex_token != lex_newline ) {
|
|
|
1954 |
ERROR err = ERR_lex_parse ( crt_token ) ;
|
|
|
1955 |
report ( crt_loc, err ) ;
|
|
|
1956 |
}
|
|
|
1957 |
if ( ds & dspec_pure ) {
|
|
|
1958 |
report ( preproc_loc, ERR_token_def_not ( id ) ) ;
|
|
|
1959 |
} else {
|
|
|
1960 |
if ( do_dump ) dump_declare ( id, &crt_loc, 1 ) ;
|
|
|
1961 |
}
|
|
|
1962 |
restore_state ( &st ) ;
|
|
|
1963 |
p = restore_parser () ;
|
|
|
1964 |
free_tok_list ( p ) ;
|
|
|
1965 |
IGNORE end_try_check ( id, NULL_exp ) ;
|
|
|
1966 |
crt_try_blocks = tries ;
|
|
|
1967 |
crt_loc = loc ;
|
|
|
1968 |
bad_crt_loc-- ;
|
|
|
1969 |
|
|
|
1970 |
/* Allow for procedure tokens */
|
|
|
1971 |
if ( IS_tok_proc ( tok ) ) {
|
|
|
1972 |
remove_namespace () ;
|
|
|
1973 |
pids = DEREF_list ( tok_proc_bids ( tok ) ) ;
|
|
|
1974 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
1975 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1976 |
if ( !IS_NULL_id ( pid ) ) {
|
|
|
1977 |
DECL_SPEC pds = DEREF_dspec ( id_storage ( pid ) ) ;
|
|
|
1978 |
pds &= ~dspec_pure ;
|
|
|
1979 |
COPY_dspec ( id_storage ( pid ), pds ) ;
|
|
|
1980 |
}
|
|
|
1981 |
pids = TAIL_list ( pids ) ;
|
|
|
1982 |
}
|
|
|
1983 |
}
|
|
|
1984 |
COPY_dspec ( id_storage ( id ), fds ) ;
|
|
|
1985 |
return ( 1 ) ;
|
|
|
1986 |
}
|
|
|
1987 |
return ( 0 ) ;
|
|
|
1988 |
}
|
|
|
1989 |
|
|
|
1990 |
|
|
|
1991 |
/*
|
|
|
1992 |
DEFINE A MEMBER TOKEN
|
|
|
1993 |
|
|
|
1994 |
This routine is used to define the tokenised member id of t by the
|
|
|
1995 |
list of immediately following preprocessing tokens. This is used
|
|
|
1996 |
to implement the '#pragma TenDRA member definition' command.
|
|
|
1997 |
*/
|
|
|
1998 |
|
|
|
1999 |
int define_mem_macro
|
|
|
2000 |
PROTO_N ( ( id, t ) )
|
|
|
2001 |
PROTO_T ( IDENTIFIER id X TYPE t )
|
|
|
2002 |
{
|
|
|
2003 |
IDENTIFIER tid = tok_member ( id, t, 0 ) ;
|
|
|
2004 |
if ( !IS_NULL_id ( tid ) ) {
|
|
|
2005 |
id = tid ;
|
|
|
2006 |
tid = find_token ( tid ) ;
|
|
|
2007 |
if ( !IS_NULL_id ( tid ) && IS_id_token ( tid ) ) {
|
|
|
2008 |
TOKEN tok = DEREF_tok ( id_token_sort ( tid ) ) ;
|
|
|
2009 |
if ( IS_tok_member ( tok ) ) {
|
|
|
2010 |
int def ;
|
|
|
2011 |
LOCATION loc ;
|
|
|
2012 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( tid ) ) ;
|
|
|
2013 |
LIST ( IDENTIFIER ) pids = NULL_list ( IDENTIFIER ) ;
|
|
|
2014 |
bad_crt_loc++ ;
|
|
|
2015 |
loc = crt_loc ;
|
|
|
2016 |
crt_loc = preproc_loc ;
|
|
|
2017 |
def = parse_token ( tid, NULL_type, 1, 1, pids ) ;
|
|
|
2018 |
if ( ds & dspec_pure ) {
|
|
|
2019 |
report ( preproc_loc, ERR_token_def_not ( id ) ) ;
|
|
|
2020 |
} else {
|
|
|
2021 |
if ( do_dump ) dump_declare ( id, &crt_loc, 1 ) ;
|
|
|
2022 |
}
|
|
|
2023 |
crt_loc = loc ;
|
|
|
2024 |
bad_crt_loc-- ;
|
|
|
2025 |
return ( def ) ;
|
|
|
2026 |
}
|
|
|
2027 |
}
|
|
|
2028 |
report ( preproc_loc, ERR_token_undecl ( id ) ) ;
|
|
|
2029 |
}
|
|
|
2030 |
if ( in_preproc_dir ) IGNORE skip_to_end () ;
|
|
|
2031 |
return ( 0 ) ;
|
|
|
2032 |
}
|
|
|
2033 |
|
|
|
2034 |
|
|
|
2035 |
/*
|
|
|
2036 |
PENDING TOKEN FOR IDENTIFIER UNIFICATION
|
|
|
2037 |
|
|
|
2038 |
The normal unification routine is called immediately after the
|
|
|
2039 |
declaration of an object. However for 'const' objects it is more
|
|
|
2040 |
useful to postpone the unification until after the initialisation.
|
|
|
2041 |
*/
|
|
|
2042 |
|
|
|
2043 |
IDENTIFIER unify_id_pending = NULL_id ;
|
|
|
2044 |
|
|
|
2045 |
|
|
|
2046 |
/*
|
|
|
2047 |
UNIFY TWO IDENTIFIERS
|
|
|
2048 |
|
|
|
2049 |
This routine is called whenever an identifier id hides an identifier
|
|
|
2050 |
pid from the same namespace. Normally this is a redeclaration error
|
|
|
2051 |
which will have been caught by the declaration routines, however if
|
|
|
2052 |
pid is a token identifier it may be a token definition. The routine
|
|
|
2053 |
returns true if this is the case.
|
|
|
2054 |
*/
|
|
|
2055 |
|
|
|
2056 |
int unify_id
|
|
|
2057 |
PROTO_N ( ( pid, id, def ) )
|
|
|
2058 |
PROTO_T ( IDENTIFIER pid X IDENTIFIER id X int def )
|
|
|
2059 |
{
|
|
|
2060 |
int ok = 0 ;
|
|
|
2061 |
IDENTIFIER tid = DEREF_id ( id_token_alt ( pid ) ) ;
|
|
|
2062 |
if ( IS_id_token ( tid ) ) {
|
|
|
2063 |
/* Previous definition was a token */
|
|
|
2064 |
TOKEN tok = DEREF_tok ( id_token_sort ( tid ) ) ;
|
|
|
2065 |
switch ( TAG_tok ( tok ) ) {
|
|
|
2066 |
case tok_exp_tag :
|
|
|
2067 |
case tok_nat_tag :
|
|
|
2068 |
case tok_snat_tag : {
|
|
|
2069 |
/* Expression tokens */
|
|
|
2070 |
EXP e ;
|
|
|
2071 |
int expl = 0 ;
|
|
|
2072 |
switch ( TAG_id ( id ) ) {
|
|
|
2073 |
case id_variable_tag : {
|
|
|
2074 |
#if LANGUAGE_CPP
|
|
|
2075 |
TYPE t = DEREF_type ( id_variable_type ( id ) ) ;
|
|
|
2076 |
CV_SPEC cv = DEREF_cv ( type_qual ( t ) ) ;
|
|
|
2077 |
if ( cv == ( cv_lvalue | cv_const ) ) {
|
|
|
2078 |
/* Allow for const objects */
|
|
|
2079 |
e = DEREF_exp ( id_variable_init ( id ) ) ;
|
|
|
2080 |
if ( IS_NULL_exp ( e ) ) {
|
|
|
2081 |
if ( IS_NULL_id ( unify_id_pending ) ) {
|
|
|
2082 |
unify_id_pending = pid ;
|
|
|
2083 |
return ( 1 ) ;
|
|
|
2084 |
}
|
|
|
2085 |
}
|
|
|
2086 |
}
|
|
|
2087 |
#endif
|
|
|
2088 |
unify_id_pending = NULL_id ;
|
|
|
2089 |
goto variable_label ;
|
|
|
2090 |
}
|
|
|
2091 |
case id_enumerator_tag : {
|
|
|
2092 |
expl = 1 ;
|
|
|
2093 |
goto variable_label ;
|
|
|
2094 |
}
|
|
|
2095 |
variable_label :
|
|
|
2096 |
case id_parameter_tag :
|
|
|
2097 |
case id_stat_member_tag : {
|
|
|
2098 |
e = make_id_exp ( id ) ;
|
|
|
2099 |
if ( define_exp_token ( tid, e, expl ) ) {
|
|
|
2100 |
LOCATION loc ;
|
|
|
2101 |
DEREF_loc ( id_loc ( id ), loc ) ;
|
|
|
2102 |
COPY_loc ( id_loc ( tid ), loc ) ;
|
|
|
2103 |
}
|
|
|
2104 |
ok = 1 ;
|
|
|
2105 |
break ;
|
|
|
2106 |
}
|
|
|
2107 |
}
|
|
|
2108 |
break ;
|
|
|
2109 |
}
|
|
|
2110 |
}
|
|
|
2111 |
if ( ok ) {
|
|
|
2112 |
/* Set alternate look-up for token */
|
|
|
2113 |
HASHID nm = DEREF_hashid ( id_name ( tid ) ) ;
|
|
|
2114 |
MEMBER mem = search_member ( token_namespace, nm, 0 ) ;
|
|
|
2115 |
if ( !IS_NULL_member ( mem ) ) {
|
|
|
2116 |
COPY_id ( member_alt ( mem ), id ) ;
|
|
|
2117 |
}
|
|
|
2118 |
}
|
|
|
2119 |
}
|
|
|
2120 |
if ( ok ) {
|
|
|
2121 |
/* Token definition */
|
|
|
2122 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( tid ) ) ;
|
|
|
2123 |
if ( ds & dspec_pure ) {
|
|
|
2124 |
report ( crt_loc, ERR_token_def_not ( pid ) ) ;
|
|
|
2125 |
} else {
|
|
|
2126 |
if ( do_dump ) dump_declare ( pid, &crt_loc, 1 ) ;
|
|
|
2127 |
}
|
|
|
2128 |
} else {
|
|
|
2129 |
/* Illegal redeclaration */
|
|
|
2130 |
if ( def ) id = pid ;
|
|
|
2131 |
report ( crt_loc, ERR_basic_odr_diff ( id, id_loc ( id ) ) ) ;
|
|
|
2132 |
}
|
|
|
2133 |
return ( ok ) ;
|
|
|
2134 |
}
|