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/*
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Crown Copyright (c) 1997, 1998
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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#include "config.h"
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#include "c_types.h"
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#include "ctype_ops.h"
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#include "etype_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 "inst_ops.h"
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#include "itype_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 "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 "compile.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 "derive.h"
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#include "dump.h"
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#include "expression.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 "macro.h"
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#include "namespace.h"
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#include "option.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 "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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#include "ustring.h"
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/*
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TEMPLATE ARGUMENT HACK FLAG
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This flag can be set to true to indicate that the template argument
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hack, namely mapping '>>' to '> >' at the end of a set of template
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arguments, should be applied.
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*/
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static int apply_rshift_hack = 0 ;
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/*
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SKIP TEMPLATE ARGUMENTS OR PARAMETERS
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This routine skips a set of template arguments or parameters. It
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returns the sequence of preprocessing tokens enclosed between the
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initial '<' and the matching closing '>'.
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*/
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static PPTOKEN *skip_template
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PROTO_N ( ( id ) )
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PROTO_T ( IDENTIFIER id )
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{
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PPTOKEN *q ;
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LOCATION loc ;
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int templ = 0 ;
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int angles = 1 ;
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int brackets = 0 ;
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int t = crt_lex_token ;
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PPTOKEN *p = crt_token ;
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loc = crt_loc ;
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do {
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switch ( t ) {
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case lex_less : {
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/* Open angle brackets */
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if ( !brackets && templ ) angles++ ;
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templ = 0 ;
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break ;
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}
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case lex_greater : {
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/* Close angle brackets */
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if ( !brackets ) angles-- ;
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templ = 0 ;
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break ;
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}
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case lex_rshift : {
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/* Map '>>' to '> >' */
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if ( !brackets && apply_rshift_hack ) {
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PPTOKEN *r = new_pptok () ;
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r->tok = lex_greater ;
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r->next = crt_token->next ;
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crt_token->tok = lex_greater ;
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crt_token->next = r ;
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angles-- ;
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report ( crt_loc, ERR_temp_names_hack () ) ;
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}
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templ = 0 ;
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break ;
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}
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case lex_open_Hround :
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case lex_open_Hbrace_H1 :
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case lex_open_Hbrace_H2 :
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case lex_open_Hsquare_H1 :
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case lex_open_Hsquare_H2 : {
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/* Open brackets */
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brackets++ ;
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templ = 0 ;
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break ;
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}
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case lex_close_Hround :
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case lex_close_Hbrace_H1 :
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case lex_close_Hbrace_H2 :
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case lex_close_Hsquare_H1 :
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case lex_close_Hsquare_H2 : {
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/* Close brackets */
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if ( brackets ) brackets-- ;
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templ = 0 ;
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break ;
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}
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case lex_identifier :
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case lex_template :
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case lex_const_Hcast :
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case lex_static_Hcast :
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case lex_dynamic_Hcast :
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case lex_reinterpret_Hcast : {
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/* These may be followed by '<' */
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/* NOT YET IMPLEMENTED - but are they? */
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templ = 1 ;
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break ;
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}
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case lex_eof : {
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/* End of file */
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if ( IS_NULL_id ( id ) ) {
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report ( loc, ERR_temp_param_eof () ) ;
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} else {
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report ( loc, ERR_temp_names_eof ( id ) ) ;
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}
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angles = 0 ;
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break ;
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}
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default : {
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/* Other tokens */
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templ = 0 ;
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break ;
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}
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}
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q = crt_token ;
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t = expand_preproc ( EXPAND_AHEAD ) ;
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} while ( angles ) ;
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q->tok = lex_close_Htemplate ;
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snip_tokens ( p, q ) ;
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return ( p ) ;
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}
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/*
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SKIP A SET OF TEMPLATE ARGUMENTS
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This routine skips a set of arguments for the template id. It is
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entered with the current token equal to the template name preceeding
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the initial '<' if started is false, and equal to the initial '<'
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otherwise. After skipping the current token is either still the
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template name or the token following the template arguments, depending
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on the value of started.
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*/
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PPTOKEN *skip_template_args
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PROTO_N ( ( id, started ) )
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PROTO_T ( IDENTIFIER id X int started )
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{
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PPTOKEN *q ;
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PPTOKEN *p = crt_token ;
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int t = crt_lex_token ;
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if ( started ) {
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/* Patch in dummy preprocessing token */
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q = patch_tokens ( 1 ) ;
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q->tok = t ;
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t = lex_ignore_token ;
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p->tok = t ;
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}
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IGNORE expand_preproc ( EXPAND_AHEAD ) ;
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crt_lex_token = lex_open_Htemplate ;
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crt_token->tok = lex_open_Htemplate ;
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q = skip_template ( id ) ;
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crt_lex_token = t ;
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crt_token = p ;
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if ( started ) {
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/* Advance to following token */
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ADVANCE_LEXER ;
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}
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return ( q ) ;
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}
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/*
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PARSE A SET OF TEMPLATE ARGUMENTS
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This routine parses the template arguments p. Note that unlike token
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arguments the template argument sorts are deduced by look-ahead rather
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than from the template sort.
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*/
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static LIST ( TOKEN ) parse_template_args
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PROTO_N ( ( p ) )
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PROTO_T ( PPTOKEN *p )
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{
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int t ;
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PARSE_STATE st ;
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LIST ( TOKEN ) args = NULL_list ( TOKEN ) ;
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if ( p == NULL ) return ( args ) ;
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/* Initialise parser */
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save_state ( &st, 1 ) ;
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init_parser ( p ) ;
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ADVANCE_LEXER ;
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t = crt_lex_token ;
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if ( t == lex_open_Htemplate ) {
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/* Step over open bracket */
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ADVANCE_LEXER ;
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t = crt_lex_token ;
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}
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/* Scan through arguments */
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if ( t != lex_close_Htemplate ) {
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for ( ; ; ) {
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TOKEN arg ;
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if ( predict_typeid ( 2 ) ) {
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TYPE r = NULL_type ;
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have_type_specifier = 0 ;
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if ( predict_typename () ) {
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/* Template argument */
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IDENTIFIER rid = NULL_id ;
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parse_id ( &rid ) ;
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MAKE_tok_class ( r, rid, arg ) ;
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} else {
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/* Type argument */
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parse_type ( &r ) ;
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MAKE_tok_type ( btype_lang, r, arg ) ;
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}
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} else {
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/* Expression argument */
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EXP e = NULL_exp ;
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TYPE r = NULL_type ;
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parse_exp ( &e ) ;
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if ( !IS_NULL_exp ( e ) ) {
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r = DEREF_type ( exp_type ( e ) ) ;
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}
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MAKE_tok_exp ( r, 1, e, arg ) ;
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}
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if ( have_syntax_error ) break ;
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CONS_tok ( arg, args, args ) ;
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t = crt_lex_token ;
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if ( t == lex_close_Htemplate ) {
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break ;
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} else if ( t == lex_comma ) {
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ADVANCE_LEXER ;
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} else {
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t = lex_close_Htemplate ;
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report ( crt_loc, ERR_lex_expect ( t ) ) ;
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break ;
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}
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}
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}
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/* Restore state */
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restore_state ( &st ) ;
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p = restore_parser () ;
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free_tok_list ( p ) ;
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/* Return result */
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args = REVERSE_list ( args ) ;
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return ( args ) ;
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}
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/*
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CHECK A TEMPLATE PARAMETER TYPE
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This routine checks the type t of the template parameter id.
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*/
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static void templ_param_type
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PROTO_N ( ( id, t ) )
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PROTO_T ( IDENTIFIER id X TYPE t )
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{
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switch ( TAG_type ( t ) ) {
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case type_floating_tag :
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case type_top_tag :
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case type_bottom_tag : {
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/* Illegal parameter types */
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report ( crt_loc, ERR_temp_param_type ( id, t ) ) ;
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break ;
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}
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}
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return ;
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}
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/*
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DEFINE A TEMPLATE PARAMETER
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This routine defines the template parameter id to be arg.
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*/
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342 |
static int define_templ_param
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PROTO_N ( ( id, arg, tid, def ) )
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344 |
PROTO_T ( IDENTIFIER id X TOKEN arg X IDENTIFIER tid X int def )
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345 |
{
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346 |
int ok = 1 ;
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347 |
TOKEN sort = DEREF_tok ( id_token_sort ( id ) ) ;
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unsigned tag = TAG_tok ( sort ) ;
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349 |
if ( tag == tok_type_tag ) {
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/* Type parameter */
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351 |
TYPE t ;
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352 |
if ( IS_tok_type ( arg ) ) {
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t = DEREF_type ( tok_type_value ( arg ) ) ;
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354 |
if ( def ) t = expand_type ( t, 2 ) ;
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if ( !is_global_type ( t ) ) {
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/* Type must have external linkage */
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ERROR err = ERR_temp_arg_local ( t ) ;
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358 |
err = concat_error ( ERR_temp_arg_init ( id, tid ), err ) ;
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359 |
report ( crt_loc, err ) ;
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360 |
}
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361 |
COPY_type ( tok_type_value ( arg ), t ) ;
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362 |
} else {
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363 |
/* Non-type argument supplied */
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364 |
t = type_error ;
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365 |
report ( crt_loc, ERR_temp_arg_type ( id, tid ) ) ;
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366 |
ok = 0 ;
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367 |
}
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368 |
COPY_type ( tok_type_value ( sort ), t ) ;
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369 |
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370 |
} else if ( tag == tok_exp_tag ) {
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371 |
/* Expression parameter */
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372 |
EXP e ;
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373 |
if ( IS_tok_exp ( arg ) ) {
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374 |
int over = 0 ;
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375 |
ERROR err = NULL_err ;
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376 |
TYPE s1 = DEREF_type ( tok_exp_type ( sort ) ) ;
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|
|
377 |
TYPE s2 = expand_type ( s1, 2 ) ;
|
|
|
378 |
if ( !EQ_type ( s1, s2 ) ) templ_param_type ( id, s2 ) ;
|
|
|
379 |
e = DEREF_exp ( tok_exp_value ( arg ) ) ;
|
|
|
380 |
if ( def ) {
|
|
|
381 |
/* Perform conversion if necessary */
|
|
|
382 |
unsigned etag = TAG_exp ( e ) ;
|
|
|
383 |
e = convert_reference ( e, REF_ASSIGN ) ;
|
|
|
384 |
e = expand_exp ( e, 2, 0 ) ;
|
|
|
385 |
if ( IS_exp_address_mem ( e ) ) {
|
|
|
386 |
/* Check for overloaded pointer to members */
|
|
|
387 |
EXP a = DEREF_exp ( exp_address_mem_arg ( e ) ) ;
|
|
|
388 |
if ( IS_exp_member ( a ) ) {
|
|
|
389 |
IDENTIFIER mid = DEREF_id ( exp_member_id ( a ) ) ;
|
|
|
390 |
if ( IS_id_function_etc ( mid ) ) {
|
|
|
391 |
mid = DEREF_id ( id_function_etc_over ( mid ) ) ;
|
|
|
392 |
if ( !IS_NULL_id ( mid ) ) over = 1 ;
|
|
|
393 |
}
|
|
|
394 |
}
|
|
|
395 |
}
|
|
|
396 |
if ( IS_type_array ( s2 ) ) {
|
|
|
397 |
if ( etag == exp_paren_tag ) e = make_paren_exp ( e ) ;
|
|
|
398 |
e = init_array ( s2, cv_none, e, 1, &err ) ;
|
|
|
399 |
} else {
|
|
|
400 |
e = init_assign ( s2, cv_none, e, &err ) ;
|
|
|
401 |
}
|
|
|
402 |
if ( !IS_NULL_err ( err ) ) err = init_error ( err, 0 ) ;
|
|
|
403 |
}
|
|
|
404 |
if ( is_const_exp ( e, 1 ) ) {
|
|
|
405 |
switch ( TAG_type ( s2 ) ) {
|
|
|
406 |
case type_integer_tag :
|
|
|
407 |
case type_floating_tag :
|
|
|
408 |
case type_top_tag :
|
|
|
409 |
case type_bottom_tag :
|
|
|
410 |
case type_enumerate_tag :
|
|
|
411 |
case type_token_tag :
|
|
|
412 |
case type_error_tag : {
|
|
|
413 |
/* Constants of these types are alright */
|
|
|
414 |
break ;
|
|
|
415 |
}
|
|
|
416 |
default : {
|
|
|
417 |
/* Check linkage in other cases */
|
|
|
418 |
EXP pa = NULL_exp ;
|
|
|
419 |
DECL_SPEC ln = find_exp_linkage ( e, &pa, 0 ) ;
|
|
|
420 |
if ( ln & dspec_extern ) {
|
|
|
421 |
/* External linkage */
|
|
|
422 |
/* EMPTY */
|
|
|
423 |
} else if ( ln & dspec_static ) {
|
|
|
424 |
/* Internal linkage */
|
|
|
425 |
ERROR err2 = ERR_temp_arg_internal () ;
|
|
|
426 |
err = concat_error ( err, err2 ) ;
|
|
|
427 |
} else {
|
|
|
428 |
/* No linkage */
|
|
|
429 |
ERROR err2 = ERR_temp_arg_bad () ;
|
|
|
430 |
err = concat_error ( err, err2 ) ;
|
|
|
431 |
}
|
|
|
432 |
if ( over ) {
|
|
|
433 |
/* Overloaded pointer to member */
|
|
|
434 |
ERROR err2 = ERR_temp_arg_over () ;
|
|
|
435 |
err = concat_error ( err, err2 ) ;
|
|
|
436 |
}
|
|
|
437 |
break ;
|
|
|
438 |
}
|
|
|
439 |
}
|
|
|
440 |
} else {
|
|
|
441 |
err = concat_error ( err, ERR_temp_arg_const () ) ;
|
|
|
442 |
}
|
|
|
443 |
if ( !IS_NULL_err ( err ) ) {
|
|
|
444 |
err = concat_error ( ERR_temp_arg_init ( id, tid ), err ) ;
|
|
|
445 |
report ( crt_loc, err ) ;
|
|
|
446 |
}
|
|
|
447 |
COPY_type ( tok_exp_type ( arg ), s2 ) ;
|
|
|
448 |
COPY_exp ( tok_exp_value ( arg ), e ) ;
|
|
|
449 |
} else {
|
|
|
450 |
/* Non-expression argument supplied */
|
|
|
451 |
e = make_error_exp ( 0 ) ;
|
|
|
452 |
report ( crt_loc, ERR_temp_arg_exp ( id, tid ) ) ;
|
|
|
453 |
ok = 0 ;
|
|
|
454 |
}
|
|
|
455 |
COPY_exp ( tok_exp_value ( sort ), e ) ;
|
|
|
456 |
|
|
|
457 |
} else {
|
|
|
458 |
/* Template class parameter */
|
|
|
459 |
IDENTIFIER sid ;
|
|
|
460 |
if ( IS_tok_class ( arg ) ) {
|
|
|
461 |
sid = DEREF_id ( tok_class_value ( arg ) ) ;
|
|
|
462 |
if ( !IS_NULL_id ( sid ) && IS_id_class_name_etc ( sid ) ) {
|
|
|
463 |
TYPE s = DEREF_type ( id_class_name_etc_defn ( sid ) ) ;
|
|
|
464 |
if ( !is_global_type ( s ) ) {
|
|
|
465 |
/* Type must have external linkage */
|
|
|
466 |
ERROR err = ERR_temp_arg_local ( s ) ;
|
|
|
467 |
err = concat_error ( ERR_temp_arg_init ( id, tid ), err ) ;
|
|
|
468 |
report ( crt_loc, err ) ;
|
|
|
469 |
}
|
|
|
470 |
}
|
|
|
471 |
init_template_param ( id, sid ) ;
|
|
|
472 |
} else {
|
|
|
473 |
/* Non-template argument supplied */
|
|
|
474 |
HASHID nm = KEYWORD ( lex_zzzz ) ;
|
|
|
475 |
sid = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
476 |
report ( crt_loc, ERR_temp_arg_templ ( id, tid ) ) ;
|
|
|
477 |
ok = 0 ;
|
|
|
478 |
}
|
|
|
479 |
COPY_id ( tok_class_value ( sort ), sid ) ;
|
|
|
480 |
|
|
|
481 |
}
|
|
|
482 |
return ( ok ) ;
|
|
|
483 |
}
|
|
|
484 |
|
|
|
485 |
|
|
|
486 |
/*
|
|
|
487 |
DEFAULT TEMPLATE ARGUMENTS FLAG
|
|
|
488 |
|
|
|
489 |
This flag may be set to false to suppress template default arguments.
|
|
|
490 |
*/
|
|
|
491 |
|
|
|
492 |
int allow_templ_dargs = 1 ;
|
|
|
493 |
|
|
|
494 |
|
|
|
495 |
/*
|
|
|
496 |
CHECK A SET OF TEMPLATE ARGUMENTS
|
|
|
497 |
|
|
|
498 |
This routine checks the set of template arguments args for the template
|
|
|
499 |
tid of sort tok. Note that if tid is a function then there may be
|
|
|
500 |
less arguments than parameters, in this case in_template_decl is set
|
|
|
501 |
to indicate that certain template parameters remain unbound.
|
|
|
502 |
*/
|
|
|
503 |
|
|
|
504 |
static LIST ( TOKEN ) check_templ_args
|
|
|
505 |
PROTO_N ( ( tok, args, tid ) )
|
|
|
506 |
PROTO_T ( TOKEN tok X LIST ( TOKEN ) args X IDENTIFIER tid )
|
|
|
507 |
{
|
|
|
508 |
int s ;
|
|
|
509 |
int reported = 0 ;
|
|
|
510 |
LIST ( TOKEN ) a = args ;
|
|
|
511 |
LIST ( TOKEN ) b = NULL_list ( TOKEN ) ;
|
|
|
512 |
LIST ( TOKEN ) d = DEREF_list ( tok_templ_dargs ( tok ) ) ;
|
|
|
513 |
LIST ( IDENTIFIER ) pids = DEREF_list ( tok_templ_pids ( tok ) ) ;
|
|
|
514 |
LIST ( IDENTIFIER ) qids = pids ;
|
|
|
515 |
if ( in_template_decl && depends_on_args ( args, pids, 0, 1 ) ) {
|
|
|
516 |
/* Be extra careful in this case */
|
|
|
517 |
tok = expand_sort ( tok, 1, 1 ) ;
|
|
|
518 |
args = check_templ_args ( tok, args, tid ) ;
|
|
|
519 |
return ( args ) ;
|
|
|
520 |
}
|
|
|
521 |
s = save_token_args ( qids, NULL_list ( TOKEN ) ) ;
|
|
|
522 |
if ( !allow_templ_dargs ) d = NULL_list ( TOKEN ) ;
|
|
|
523 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
524 |
TOKEN arg = NULL_tok ;
|
|
|
525 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
526 |
if ( !IS_NULL_list ( a ) ) {
|
|
|
527 |
/* Use argument from list */
|
|
|
528 |
arg = DEREF_tok ( HEAD_list ( a ) ) ;
|
|
|
529 |
} else if ( !IS_NULL_list ( d ) ) {
|
|
|
530 |
/* Use default argument */
|
|
|
531 |
arg = DEREF_tok ( HEAD_list ( d ) ) ;
|
|
|
532 |
if ( !IS_NULL_tok ( arg ) ) {
|
|
|
533 |
/* Add copy to list of arguments */
|
|
|
534 |
arg = expand_sort ( arg, -1, 1 ) ;
|
|
|
535 |
CONS_tok ( arg, b, b ) ;
|
|
|
536 |
}
|
|
|
537 |
}
|
|
|
538 |
if ( IS_NULL_tok ( arg ) ) {
|
|
|
539 |
/* Not enough arguments */
|
|
|
540 |
if ( !reported ) {
|
|
|
541 |
if ( IS_id_function_etc ( tid ) ) {
|
|
|
542 |
/* Allow for argument deduction */
|
|
|
543 |
a = NULL_list ( TOKEN ) ;
|
|
|
544 |
in_template_decl++ ;
|
|
|
545 |
break ;
|
|
|
546 |
}
|
|
|
547 |
report ( crt_loc, ERR_temp_arg_less ( tid ) ) ;
|
|
|
548 |
reported = 1 ;
|
|
|
549 |
}
|
|
|
550 |
arg = DEREF_tok ( id_token_sort ( pid ) ) ;
|
|
|
551 |
IGNORE is_bound_tok ( arg, 1 ) ;
|
|
|
552 |
arg = expand_sort ( arg, 2, 1 ) ;
|
|
|
553 |
CONS_tok ( arg, b, b ) ;
|
|
|
554 |
}
|
|
|
555 |
IGNORE define_templ_param ( pid, arg, tid, 1 ) ;
|
|
|
556 |
if ( !IS_NULL_list ( d ) ) d = TAIL_list ( d ) ;
|
|
|
557 |
if ( !IS_NULL_list ( a ) ) a = TAIL_list ( a ) ;
|
|
|
558 |
pids = TAIL_list ( pids ) ;
|
|
|
559 |
}
|
|
|
560 |
if ( !IS_NULL_list ( a ) ) {
|
|
|
561 |
/* Too many arguments */
|
|
|
562 |
report ( crt_loc, ERR_temp_arg_more ( tid ) ) ;
|
|
|
563 |
}
|
|
|
564 |
if ( !IS_NULL_list ( b ) ) {
|
|
|
565 |
/* Add default arguments to list */
|
|
|
566 |
b = REVERSE_list ( b ) ;
|
|
|
567 |
args = APPEND_list ( args, b ) ;
|
|
|
568 |
}
|
|
|
569 |
restore_token_args ( qids, s ) ;
|
|
|
570 |
return ( args ) ;
|
|
|
571 |
}
|
|
|
572 |
|
|
|
573 |
|
|
|
574 |
/*
|
|
|
575 |
CHECK A SET OF DEDUCED TEMPLATE ARGUMENTS
|
|
|
576 |
|
|
|
577 |
This routine checks the deduced template arguments args for the
|
|
|
578 |
template tid with parameters pids.
|
|
|
579 |
*/
|
|
|
580 |
|
|
|
581 |
void check_deduced_args
|
|
|
582 |
PROTO_N ( ( tid, pids, args ) )
|
|
|
583 |
PROTO_T ( IDENTIFIER tid X LIST ( IDENTIFIER ) pids X LIST ( TOKEN ) args )
|
|
|
584 |
{
|
|
|
585 |
while ( !IS_NULL_list ( pids ) && !IS_NULL_list ( args ) ) {
|
|
|
586 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
587 |
TOKEN arg = DEREF_tok ( HEAD_list ( args ) ) ;
|
|
|
588 |
IGNORE define_templ_param ( pid, arg, tid, 0 ) ;
|
|
|
589 |
args = TAIL_list ( args ) ;
|
|
|
590 |
pids = TAIL_list ( pids ) ;
|
|
|
591 |
}
|
|
|
592 |
return ;
|
|
|
593 |
}
|
|
|
594 |
|
|
|
595 |
|
|
|
596 |
/*
|
|
|
597 |
DOES A SET OF TEMPLATE ARGUMENTS MATCH A SORT?
|
|
|
598 |
|
|
|
599 |
This routine checks whether the template arguments args form a match
|
|
|
600 |
for an initial segment of the template sort tok.
|
|
|
601 |
*/
|
|
|
602 |
|
|
|
603 |
static int match_template_args
|
|
|
604 |
PROTO_N ( ( tok, args ) )
|
|
|
605 |
PROTO_T ( TOKEN tok X LIST ( TOKEN ) args )
|
|
|
606 |
{
|
|
|
607 |
LIST ( IDENTIFIER ) pids = DEREF_list ( tok_templ_pids ( tok ) ) ;
|
|
|
608 |
while ( !IS_NULL_list ( pids ) && !IS_NULL_list ( args ) ) {
|
|
|
609 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
610 |
TOKEN sort = DEREF_tok ( id_token_sort ( pid ) ) ;
|
|
|
611 |
TOKEN arg = DEREF_tok ( HEAD_list ( args ) ) ;
|
|
|
612 |
if ( TAG_tok ( arg ) != TAG_tok ( sort ) ) {
|
|
|
613 |
/* Argument sorts do not match */
|
|
|
614 |
return ( 0 ) ;
|
|
|
615 |
}
|
|
|
616 |
args = TAIL_list ( args ) ;
|
|
|
617 |
pids = TAIL_list ( pids ) ;
|
|
|
618 |
}
|
|
|
619 |
if ( !IS_NULL_list ( args ) ) {
|
|
|
620 |
/* Too many arguments */
|
|
|
621 |
return ( 0 ) ;
|
|
|
622 |
}
|
|
|
623 |
return ( 1 ) ;
|
|
|
624 |
}
|
|
|
625 |
|
|
|
626 |
|
|
|
627 |
/*
|
|
|
628 |
APPLY A FUNCTION TEMPLATE
|
|
|
629 |
|
|
|
630 |
This routine applies the function template id to the arguments args.
|
|
|
631 |
Because id may comprise several overloaded template functions it is
|
|
|
632 |
necessary to check each to determine whether the template parameter
|
|
|
633 |
sorts match the argument sorts. If more than one match is found the
|
|
|
634 |
result is an overloaded function.
|
|
|
635 |
*/
|
|
|
636 |
|
|
|
637 |
static IDENTIFIER apply_func_templ
|
|
|
638 |
PROTO_N ( ( id, args, def ) )
|
|
|
639 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args X int def )
|
|
|
640 |
{
|
|
|
641 |
int force = 0 ;
|
|
|
642 |
IDENTIFIER tid = NULL_id ;
|
|
|
643 |
do {
|
|
|
644 |
/* Build up result */
|
|
|
645 |
IDENTIFIER fid = id ;
|
|
|
646 |
while ( !IS_NULL_id ( fid ) ) {
|
|
|
647 |
TYPE t = DEREF_type ( id_function_etc_type ( fid ) ) ;
|
|
|
648 |
if ( IS_type_templ ( t ) ) {
|
|
|
649 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
650 |
if ( force || match_template_args ( sort, args ) ) {
|
|
|
651 |
/* Argument sorts match */
|
|
|
652 |
IDENTIFIER sid = tid ;
|
|
|
653 |
int td = in_template_decl ;
|
|
|
654 |
args = check_templ_args ( sort, args, fid ) ;
|
|
|
655 |
tid = instance_func ( fid, args, 0, def ) ;
|
|
|
656 |
COPY_id ( id_function_etc_over ( tid ), sid ) ;
|
|
|
657 |
in_template_decl = td ;
|
|
|
658 |
}
|
|
|
659 |
}
|
|
|
660 |
fid = DEREF_id ( id_function_etc_over ( fid ) ) ;
|
|
|
661 |
}
|
|
|
662 |
if ( force ) {
|
|
|
663 |
/* Should have bound arguments by now */
|
|
|
664 |
if ( IS_NULL_id ( tid ) ) tid = id ;
|
|
|
665 |
} else {
|
|
|
666 |
/* Try again allowing for mismatches */
|
|
|
667 |
force = 1 ;
|
|
|
668 |
}
|
|
|
669 |
} while ( IS_NULL_id ( tid ) ) ;
|
|
|
670 |
return ( tid ) ;
|
|
|
671 |
}
|
|
|
672 |
|
|
|
673 |
|
|
|
674 |
/*
|
|
|
675 |
APPLY A TYPEDEF TEMPLATE
|
|
|
676 |
|
|
|
677 |
This routine applies the typedef template id to the arguments args.
|
|
|
678 |
*/
|
|
|
679 |
|
|
|
680 |
static TYPE apply_typedef_templ
|
|
|
681 |
PROTO_N ( ( id, args ) )
|
|
|
682 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args )
|
|
|
683 |
{
|
|
|
684 |
TYPE t = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
685 |
if ( IS_type_templ ( t ) ) {
|
|
|
686 |
int td = in_template_decl ;
|
|
|
687 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
688 |
LIST ( IDENTIFIER ) pids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
689 |
args = check_templ_args ( sort, args, id ) ;
|
|
|
690 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
691 |
if ( is_templ_type ( t ) ) {
|
|
|
692 |
/* Template template parameter */
|
|
|
693 |
IDENTIFIER tid = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
694 |
MAKE_type_token ( cv_none, tid, args, t ) ;
|
|
|
695 |
} else {
|
|
|
696 |
/* Expand type definition */
|
|
|
697 |
int d = save_token_args ( pids, args ) ;
|
|
|
698 |
TYPE s = expand_type ( t, 1 ) ;
|
|
|
699 |
if ( EQ_type ( s, t ) ) s = copy_typedef ( id, t, cv_none ) ;
|
|
|
700 |
restore_token_args ( pids, d ) ;
|
|
|
701 |
t = s ;
|
|
|
702 |
}
|
|
|
703 |
in_template_decl = td ;
|
|
|
704 |
} else {
|
|
|
705 |
report ( crt_loc, ERR_temp_names_not ( id ) ) ;
|
|
|
706 |
t = copy_typedef ( id, t, cv_none ) ;
|
|
|
707 |
}
|
|
|
708 |
return ( t ) ;
|
|
|
709 |
}
|
|
|
710 |
|
|
|
711 |
|
|
|
712 |
/*
|
|
|
713 |
APPLY A CLASS TEMPLATE
|
|
|
714 |
|
|
|
715 |
This routine applies the class template id to the arguments args.
|
|
|
716 |
*/
|
|
|
717 |
|
|
|
718 |
static IDENTIFIER apply_type_templ
|
|
|
719 |
PROTO_N ( ( id, args, def ) )
|
|
|
720 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args X int def )
|
|
|
721 |
{
|
|
|
722 |
if ( IS_id_class_name ( id ) ) {
|
|
|
723 |
/* Class template */
|
|
|
724 |
TYPE t ;
|
|
|
725 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
726 |
if ( ds & dspec_implicit ) {
|
|
|
727 |
/* Allow for nested calls */
|
|
|
728 |
IDENTIFIER tid = find_template ( id, 0 ) ;
|
|
|
729 |
if ( !IS_NULL_id ( tid ) ) id = tid ;
|
|
|
730 |
}
|
|
|
731 |
t = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
732 |
if ( IS_type_templ ( t ) ) {
|
|
|
733 |
int td = in_template_decl ;
|
|
|
734 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
735 |
args = check_templ_args ( sort, args, id ) ;
|
|
|
736 |
id = instance_type ( id, args, 0, def ) ;
|
|
|
737 |
in_template_decl = td ;
|
|
|
738 |
} else {
|
|
|
739 |
report ( crt_loc, ERR_temp_names_not ( id ) ) ;
|
|
|
740 |
}
|
|
|
741 |
} else {
|
|
|
742 |
/* Type alias template */
|
|
|
743 |
TYPE t = apply_typedef_templ ( id, args ) ;
|
|
|
744 |
if ( IS_type_compound ( t ) ) {
|
|
|
745 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
746 |
complete_class ( ct, def ) ;
|
|
|
747 |
id = DEREF_id ( ctype_name ( ct ) ) ;
|
|
|
748 |
} else {
|
|
|
749 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
750 |
NAMESPACE ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
751 |
decl_loc = crt_loc ;
|
|
|
752 |
id = make_typedef ( ns, nm, t, dspec_none ) ;
|
|
|
753 |
}
|
|
|
754 |
}
|
|
|
755 |
return ( id ) ;
|
|
|
756 |
}
|
|
|
757 |
|
|
|
758 |
|
|
|
759 |
/*
|
|
|
760 |
APPLY A TEMPLATE TO A SET OF ARGUMENTS
|
|
|
761 |
|
|
|
762 |
This routine applies the template id to the arguments args.
|
|
|
763 |
*/
|
|
|
764 |
|
|
|
765 |
IDENTIFIER apply_template
|
|
|
766 |
PROTO_N ( ( id, args, def, force ) )
|
|
|
767 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args X int def X int force )
|
|
|
768 |
{
|
|
|
769 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
770 |
if ( ds & dspec_template ) {
|
|
|
771 |
if ( IS_id_function_etc ( id ) ) {
|
|
|
772 |
id = apply_func_templ ( id, args, def ) ;
|
|
|
773 |
} else {
|
|
|
774 |
id = apply_type_templ ( id, args, def ) ;
|
|
|
775 |
}
|
|
|
776 |
} else {
|
|
|
777 |
TYPE form ;
|
|
|
778 |
MAKE_type_token ( cv_none, id, args, form ) ;
|
|
|
779 |
if ( force || is_templ_depend ( form ) ) {
|
|
|
780 |
/* Dummy template identifier */
|
|
|
781 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
782 |
NAMESPACE ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
783 |
MAKE_id_undef ( nm, dspec_none, ns, crt_loc, id ) ;
|
|
|
784 |
COPY_type ( id_undef_form ( id ), form ) ;
|
|
|
785 |
} else {
|
|
|
786 |
report ( crt_loc, ERR_temp_names_not ( id ) ) ;
|
|
|
787 |
}
|
|
|
788 |
}
|
|
|
789 |
return ( id ) ;
|
|
|
790 |
}
|
|
|
791 |
|
|
|
792 |
|
|
|
793 |
/*
|
|
|
794 |
PARSE A SET OF NON-TYPE TEMPLATE ARGUMENTS
|
|
|
795 |
|
|
|
796 |
This routine parses the template arguments p for the non-class template
|
|
|
797 |
id. This includes both template functions and dummy template identifiers
|
|
|
798 |
such as in 'ptr->template id < ... >'.
|
|
|
799 |
*/
|
|
|
800 |
|
|
|
801 |
IDENTIFIER parse_id_template
|
|
|
802 |
PROTO_N ( ( id, p, def ) )
|
|
|
803 |
PROTO_T ( IDENTIFIER id X PPTOKEN *p X int def )
|
|
|
804 |
{
|
|
|
805 |
LIST ( TOKEN ) args = parse_template_args ( p ) ;
|
|
|
806 |
id = apply_template ( id, args, def, 1 ) ;
|
|
|
807 |
return ( id ) ;
|
|
|
808 |
}
|
|
|
809 |
|
|
|
810 |
|
|
|
811 |
/*
|
|
|
812 |
PARSE A SET OF TYPE TEMPLATE ARGUMENTS
|
|
|
813 |
|
|
|
814 |
This routine parses the template arguments p for the class template
|
|
|
815 |
id. def is passed to instance_type.
|
|
|
816 |
*/
|
|
|
817 |
|
|
|
818 |
IDENTIFIER parse_type_template
|
|
|
819 |
PROTO_N ( ( id, p, def ) )
|
|
|
820 |
PROTO_T ( IDENTIFIER id X PPTOKEN *p X int def )
|
|
|
821 |
{
|
|
|
822 |
LIST ( TOKEN ) args = parse_template_args ( p ) ;
|
|
|
823 |
id = apply_type_templ ( id, args, def ) ;
|
|
|
824 |
return ( id ) ;
|
|
|
825 |
}
|
|
|
826 |
|
|
|
827 |
|
|
|
828 |
/*
|
|
|
829 |
PARSE A SET OF TYPEDEF TEMPLATE ARGUMENTS
|
|
|
830 |
|
|
|
831 |
This routine parses the template arguments p for the typedef
|
|
|
832 |
template id.
|
|
|
833 |
*/
|
|
|
834 |
|
|
|
835 |
TYPE parse_typedef_templ
|
|
|
836 |
PROTO_N ( ( id, p ) )
|
|
|
837 |
PROTO_T ( IDENTIFIER id X PPTOKEN *p )
|
|
|
838 |
{
|
|
|
839 |
LIST ( TOKEN ) args = parse_template_args ( p ) ;
|
|
|
840 |
TYPE t = apply_typedef_templ ( id, args ) ;
|
|
|
841 |
return ( t ) ;
|
|
|
842 |
}
|
|
|
843 |
|
|
|
844 |
|
|
|
845 |
/*
|
|
|
846 |
DEDUCE A TEMPLATE TYPE
|
|
|
847 |
|
|
|
848 |
This routine deduces the arguments for the template type id called
|
|
|
849 |
without arguments. Within a template class definition the template
|
|
|
850 |
name gives the the template applied to the current arguments.
|
|
|
851 |
Otherwise template declarations and definitions (for which used is
|
|
|
852 |
false) are allowed but other instances are not.
|
|
|
853 |
*/
|
|
|
854 |
|
|
|
855 |
TYPE deduce_type_template
|
|
|
856 |
PROTO_N ( ( id, used ) )
|
|
|
857 |
PROTO_T ( IDENTIFIER id X int used )
|
|
|
858 |
{
|
|
|
859 |
TYPE t = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
860 |
if ( used ) {
|
|
|
861 |
TYPE s = t ;
|
|
|
862 |
while ( IS_type_templ ( s ) ) {
|
|
|
863 |
s = DEREF_type ( type_templ_defn ( s ) ) ;
|
|
|
864 |
}
|
|
|
865 |
if ( IS_type_compound ( s ) ) {
|
|
|
866 |
CLASS_TYPE cs = DEREF_ctype ( type_compound_defn ( s ) ) ;
|
|
|
867 |
if ( defining_class ( cs ) ) {
|
|
|
868 |
/* In class definition */
|
|
|
869 |
return ( s ) ;
|
|
|
870 |
}
|
|
|
871 |
}
|
|
|
872 |
report ( crt_loc, ERR_temp_local_not ( t ) ) ;
|
|
|
873 |
}
|
|
|
874 |
return ( t ) ;
|
|
|
875 |
}
|
|
|
876 |
|
|
|
877 |
|
|
|
878 |
/*
|
|
|
879 |
CURRENT TEMPLATE NAMESPACE
|
|
|
880 |
|
|
|
881 |
This variable is used within a template declaration to hold the
|
|
|
882 |
namespace in which the template parameters are declared.
|
|
|
883 |
*/
|
|
|
884 |
|
|
|
885 |
NAMESPACE templ_namespace = NULL_nspace ;
|
|
|
886 |
|
|
|
887 |
|
|
|
888 |
/*
|
|
|
889 |
LIST OF ALL TEMPLATE PARAMETERS
|
|
|
890 |
|
|
|
891 |
These lists are dummy values representing the lists of all template
|
|
|
892 |
parameters and all template or token parameters.
|
|
|
893 |
*/
|
|
|
894 |
|
|
|
895 |
LIST ( IDENTIFIER ) any_templ_param = NULL_list ( IDENTIFIER ) ;
|
|
|
896 |
LIST ( IDENTIFIER ) any_token_param = NULL_list ( IDENTIFIER ) ;
|
|
|
897 |
|
|
|
898 |
|
|
|
899 |
/*
|
|
|
900 |
PARSE A SET OF TEMPLATE PARAMETERS
|
|
|
901 |
|
|
|
902 |
This routine parses a set of template parameters. It is entered after
|
|
|
903 |
the initial 'template' has been read. ex is true if this was preceded
|
|
|
904 |
by 'export'.
|
|
|
905 |
*/
|
|
|
906 |
|
|
|
907 |
TOKEN template_params
|
|
|
908 |
PROTO_N ( ( ex ) )
|
|
|
909 |
PROTO_T ( int ex )
|
|
|
910 |
{
|
|
|
911 |
int t ;
|
|
|
912 |
TOKEN tok ;
|
|
|
913 |
PPTOKEN *p ;
|
|
|
914 |
NAMESPACE ns ;
|
|
|
915 |
LOCATION loc ;
|
|
|
916 |
PARSE_STATE s ;
|
|
|
917 |
int have_darg = 0 ;
|
|
|
918 |
unsigned long npars = 0 ;
|
|
|
919 |
DECL_SPEC use = dspec_none ;
|
|
|
920 |
LIST ( TOKEN ) dargs = NULL_list ( TOKEN ) ;
|
|
|
921 |
LIST ( IDENTIFIER ) pids = NULL_list ( IDENTIFIER ) ;
|
|
|
922 |
|
|
|
923 |
/* Can't have template declarations inside blocks */
|
|
|
924 |
if ( in_function_defn ) {
|
|
|
925 |
report ( crt_loc, ERR_temp_decl_scope () ) ;
|
|
|
926 |
} else if ( in_class_defn && really_in_function_defn ) {
|
|
|
927 |
report ( crt_loc, ERR_temp_mem_local () ) ;
|
|
|
928 |
}
|
|
|
929 |
|
|
|
930 |
/* Mark exported templates */
|
|
|
931 |
if ( ex || option ( OPT_templ_export ) ) use |= dspec_extern ;
|
|
|
932 |
|
|
|
933 |
/* Check for initial '<' */
|
|
|
934 |
if ( crt_lex_token != lex_less ) {
|
|
|
935 |
/* Explicit instantiation */
|
|
|
936 |
MAKE_tok_templ ( use, NULL_nspace, tok ) ;
|
|
|
937 |
return ( tok ) ;
|
|
|
938 |
}
|
|
|
939 |
|
|
|
940 |
/* Start template parameter namespace */
|
|
|
941 |
ns = make_namespace ( NULL_id, nspace_templ_tag, 0 ) ;
|
|
|
942 |
push_namespace ( ns ) ;
|
|
|
943 |
in_template_decl++ ;
|
|
|
944 |
record_location++ ;
|
|
|
945 |
|
|
|
946 |
/* Prepare to parse template parameters */
|
|
|
947 |
ADVANCE_LEXER ;
|
|
|
948 |
loc = crt_loc ;
|
|
|
949 |
p = skip_template ( NULL_id ) ;
|
|
|
950 |
save_state ( &s, 1 ) ;
|
|
|
951 |
crt_loc = loc ;
|
|
|
952 |
init_parser ( p ) ;
|
|
|
953 |
ADVANCE_LEXER ;
|
|
|
954 |
t = crt_lex_token ;
|
|
|
955 |
|
|
|
956 |
/* Parse template parameters */
|
|
|
957 |
if ( t != lex_close_Htemplate ) {
|
|
|
958 |
for ( ; ; ) {
|
|
|
959 |
/* Declare parameter */
|
|
|
960 |
IDENTIFIER pid = NULL_id ;
|
|
|
961 |
decl_loc = crt_loc ;
|
|
|
962 |
if ( predict_template () ) {
|
|
|
963 |
/* Type parameter */
|
|
|
964 |
parse_type_param ( &pid ) ;
|
|
|
965 |
} else {
|
|
|
966 |
/* Expression parameter */
|
|
|
967 |
if ( crt_lex_token == lex_typename ) {
|
|
|
968 |
/* Replace 'typename' by 'class' */
|
|
|
969 |
crt_lex_token = lex_class ;
|
|
|
970 |
}
|
|
|
971 |
parse_param ( NULL_type, CONTEXT_TEMPL_PARAM, &pid ) ;
|
|
|
972 |
}
|
|
|
973 |
|
|
|
974 |
/* Add parameter to list */
|
|
|
975 |
if ( !IS_NULL_id ( pid ) ) {
|
|
|
976 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( pid ) ) ;
|
|
|
977 |
ds |= dspec_template ;
|
|
|
978 |
COPY_dspec ( id_storage ( pid ), ds ) ;
|
|
|
979 |
if ( do_dump ) dump_token_param ( pid ) ;
|
|
|
980 |
tok = DEREF_tok ( id_token_sort ( pid ) ) ;
|
|
|
981 |
switch ( TAG_tok ( tok ) ) {
|
|
|
982 |
|
|
|
983 |
case tok_exp_tag : {
|
|
|
984 |
/* Expression parameter */
|
|
|
985 |
int c ;
|
|
|
986 |
EXP e ;
|
|
|
987 |
TYPE r ;
|
|
|
988 |
DECONS_tok_exp ( r, c, e, tok ) ;
|
|
|
989 |
templ_param_type ( pid, r ) ;
|
|
|
990 |
if ( IS_NULL_exp ( e ) ) {
|
|
|
991 |
if ( have_darg ) have_darg = 2 ;
|
|
|
992 |
tok = NULL_tok ;
|
|
|
993 |
} else {
|
|
|
994 |
COPY_exp ( tok_exp_value ( tok ), NULL_exp ) ;
|
|
|
995 |
MAKE_tok_exp ( r, c, e, tok ) ;
|
|
|
996 |
have_darg = 1 ;
|
|
|
997 |
}
|
|
|
998 |
break ;
|
|
|
999 |
}
|
|
|
1000 |
|
|
|
1001 |
case tok_type_tag : {
|
|
|
1002 |
/* Type parameter */
|
|
|
1003 |
TYPE r = DEREF_type ( tok_type_value ( tok ) ) ;
|
|
|
1004 |
if ( IS_NULL_type ( r ) ) {
|
|
|
1005 |
if ( have_darg ) have_darg = 2 ;
|
|
|
1006 |
tok = NULL_tok ;
|
|
|
1007 |
} else {
|
|
|
1008 |
COPY_type ( tok_type_value ( tok ), NULL_type ) ;
|
|
|
1009 |
MAKE_tok_type ( btype_lang, r, tok ) ;
|
|
|
1010 |
have_darg = 1 ;
|
|
|
1011 |
}
|
|
|
1012 |
break ;
|
|
|
1013 |
}
|
|
|
1014 |
|
|
|
1015 |
case tok_class_tag : {
|
|
|
1016 |
/* Template class parameter */
|
|
|
1017 |
TYPE r = DEREF_type ( tok_class_type ( tok ) ) ;
|
|
|
1018 |
IDENTIFIER cid = DEREF_id ( tok_class_value ( tok ) ) ;
|
|
|
1019 |
if ( IS_NULL_id ( cid ) ) {
|
|
|
1020 |
if ( have_darg ) have_darg = 2 ;
|
|
|
1021 |
tok = NULL_tok ;
|
|
|
1022 |
} else {
|
|
|
1023 |
COPY_id ( tok_class_value ( tok ), NULL_id ) ;
|
|
|
1024 |
MAKE_tok_class ( r, cid, tok ) ;
|
|
|
1025 |
have_darg = 1 ;
|
|
|
1026 |
}
|
|
|
1027 |
break ;
|
|
|
1028 |
}
|
|
|
1029 |
|
|
|
1030 |
default : {
|
|
|
1031 |
/* Shouldn't occur */
|
|
|
1032 |
tok = NULL_tok ;
|
|
|
1033 |
break ;
|
|
|
1034 |
}
|
|
|
1035 |
}
|
|
|
1036 |
if ( have_darg == 2 ) {
|
|
|
1037 |
/* Missing default argument */
|
|
|
1038 |
report ( crt_loc, ERR_temp_param_default ( pid ) ) ;
|
|
|
1039 |
}
|
|
|
1040 |
CONS_tok ( tok, dargs, dargs ) ;
|
|
|
1041 |
CONS_id ( pid, pids, pids ) ;
|
|
|
1042 |
npars++ ;
|
|
|
1043 |
}
|
|
|
1044 |
|
|
|
1045 |
/* Check for next parameter */
|
|
|
1046 |
t = crt_lex_token ;
|
|
|
1047 |
if ( t == lex_close_Htemplate ) {
|
|
|
1048 |
/* End of parameter list */
|
|
|
1049 |
break ;
|
|
|
1050 |
} else if ( t == lex_comma ) {
|
|
|
1051 |
/* Move on to next parameter */
|
|
|
1052 |
ADVANCE_LEXER ;
|
|
|
1053 |
} else {
|
|
|
1054 |
/* Syntax error */
|
|
|
1055 |
if ( !have_syntax_error ) {
|
|
|
1056 |
ERROR err = ERR_lex_parse ( crt_token ) ;
|
|
|
1057 |
report ( crt_loc, err ) ;
|
|
|
1058 |
}
|
|
|
1059 |
break ;
|
|
|
1060 |
}
|
|
|
1061 |
}
|
|
|
1062 |
}
|
|
|
1063 |
|
|
|
1064 |
/* Restore parser */
|
|
|
1065 |
restore_state ( &s ) ;
|
|
|
1066 |
p = restore_parser () ;
|
|
|
1067 |
free_tok_list ( p ) ;
|
|
|
1068 |
|
|
|
1069 |
/* Construct the result */
|
|
|
1070 |
MAKE_tok_templ ( use, crt_namespace, tok ) ;
|
|
|
1071 |
if ( IS_NULL_list ( pids ) ) {
|
|
|
1072 |
/* Explicit specialisation */
|
|
|
1073 |
IGNORE pop_namespace () ;
|
|
|
1074 |
in_template_decl-- ;
|
|
|
1075 |
record_location-- ;
|
|
|
1076 |
} else {
|
|
|
1077 |
IGNORE check_value ( OPT_VAL_template_pars, npars ) ;
|
|
|
1078 |
pids = REVERSE_list ( pids ) ;
|
|
|
1079 |
dargs = REVERSE_list ( dargs ) ;
|
|
|
1080 |
COPY_list ( tok_templ_pids ( tok ), pids ) ;
|
|
|
1081 |
COPY_list ( tok_templ_dargs ( tok ), dargs ) ;
|
|
|
1082 |
set_proc_token ( pids ) ;
|
|
|
1083 |
templ_namespace = ns ;
|
|
|
1084 |
}
|
|
|
1085 |
return ( tok ) ;
|
|
|
1086 |
}
|
|
|
1087 |
|
|
|
1088 |
|
|
|
1089 |
/*
|
|
|
1090 |
CREATE A TEMPLATE TYPE QUALIFIER
|
|
|
1091 |
|
|
|
1092 |
This routine creates a template type qualifier from the template
|
|
|
1093 |
parameters tok and the type t. It also terminates the template
|
|
|
1094 |
parameter namespace while leaving its names in scope.
|
|
|
1095 |
*/
|
|
|
1096 |
|
|
|
1097 |
TYPE make_template_type
|
|
|
1098 |
PROTO_N ( ( tok, t ) )
|
|
|
1099 |
PROTO_T ( TOKEN tok X TYPE t )
|
|
|
1100 |
{
|
|
|
1101 |
TYPE s ;
|
|
|
1102 |
LIST ( IDENTIFIER ) pids = DEREF_list ( tok_templ_pids ( tok ) ) ;
|
|
|
1103 |
if ( !IS_NULL_list ( pids ) ) {
|
|
|
1104 |
/* Remove template parameters */
|
|
|
1105 |
IGNORE restore_namespace () ;
|
|
|
1106 |
}
|
|
|
1107 |
MAKE_type_templ ( cv_none, tok, NULL_type, 0, s ) ;
|
|
|
1108 |
if ( !IS_NULL_type ( t ) ) {
|
|
|
1109 |
unsigned tag = TAG_type ( t ) ;
|
|
|
1110 |
NAMESPACE ns = DEREF_nspace ( tok_templ_pars ( tok ) ) ;
|
|
|
1111 |
if ( IS_NULL_nspace ( ns ) ) {
|
|
|
1112 |
/* Can't have 'template template < ... >' */
|
|
|
1113 |
report ( crt_loc, ERR_temp_explicit_templ () ) ;
|
|
|
1114 |
s = NULL_type ;
|
|
|
1115 |
} else {
|
|
|
1116 |
if ( tag == type_templ_tag ) {
|
|
|
1117 |
tok = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
1118 |
ns = DEREF_nspace ( tok_templ_pars ( tok ) ) ;
|
|
|
1119 |
if ( IS_NULL_nspace ( ns ) ) {
|
|
|
1120 |
/* Can't have 'template < ... > template' */
|
|
|
1121 |
report ( crt_loc, ERR_temp_explicit_templ () ) ;
|
|
|
1122 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1123 |
tag = TAG_type ( t ) ;
|
|
|
1124 |
}
|
|
|
1125 |
}
|
|
|
1126 |
}
|
|
|
1127 |
if ( tag == type_func_tag ) {
|
|
|
1128 |
/* Ignore linkage specifiers */
|
|
|
1129 |
CV_SPEC cv = DEREF_cv ( type_func_mqual ( t ) ) ;
|
|
|
1130 |
cv &= ~cv_language ;
|
|
|
1131 |
cv |= cv_cpp ;
|
|
|
1132 |
COPY_cv ( type_func_mqual ( t ), cv ) ;
|
|
|
1133 |
}
|
|
|
1134 |
s = inject_pre_type ( t, s, 0 ) ;
|
|
|
1135 |
}
|
|
|
1136 |
return ( s ) ;
|
|
|
1137 |
}
|
|
|
1138 |
|
|
|
1139 |
|
|
|
1140 |
/*
|
|
|
1141 |
END A TEMPLATE DECLARATION
|
|
|
1142 |
|
|
|
1143 |
This routine ends a template declaration. It removes the names from
|
|
|
1144 |
the template parameter namespace from scope.
|
|
|
1145 |
*/
|
|
|
1146 |
|
|
|
1147 |
void end_template
|
|
|
1148 |
PROTO_N ( ( tok ) )
|
|
|
1149 |
PROTO_T ( TOKEN tok )
|
|
|
1150 |
{
|
|
|
1151 |
LIST ( IDENTIFIER ) pids = DEREF_list ( tok_templ_pids ( tok ) ) ;
|
|
|
1152 |
if ( !IS_NULL_list ( pids ) ) {
|
|
|
1153 |
remove_namespace () ;
|
|
|
1154 |
templ_namespace = NULL_nspace ;
|
|
|
1155 |
in_template_decl-- ;
|
|
|
1156 |
record_location-- ;
|
|
|
1157 |
if ( in_template_decl ) {
|
|
|
1158 |
/* Find enclosing template namespace */
|
|
|
1159 |
LIST ( NAMESPACE ) lns = LIST_stack ( namespace_stack ) ;
|
|
|
1160 |
while ( !IS_NULL_list ( lns ) ) {
|
|
|
1161 |
NAMESPACE ns = DEREF_nspace ( HEAD_list ( lns ) ) ;
|
|
|
1162 |
if ( IS_nspace_templ ( ns ) ) {
|
|
|
1163 |
templ_namespace = ns ;
|
|
|
1164 |
break ;
|
|
|
1165 |
}
|
|
|
1166 |
lns = TAIL_list ( lns ) ;
|
|
|
1167 |
}
|
|
|
1168 |
}
|
|
|
1169 |
}
|
|
|
1170 |
if ( !in_template_decl ) clear_templates ( 1 ) ;
|
|
|
1171 |
return ;
|
|
|
1172 |
}
|
|
|
1173 |
|
|
|
1174 |
|
|
|
1175 |
/*
|
|
|
1176 |
CHECK A TEMPLATE DECLARATOR
|
|
|
1177 |
|
|
|
1178 |
This routine is called whenever the template type t is used to qualify
|
|
|
1179 |
a class definition or a function declarator.
|
|
|
1180 |
*/
|
|
|
1181 |
|
|
|
1182 |
void template_decl
|
|
|
1183 |
PROTO_N ( ( t ) )
|
|
|
1184 |
PROTO_T ( TYPE t )
|
|
|
1185 |
{
|
|
|
1186 |
while ( !IS_NULL_type ( t ) && IS_type_templ ( t ) ) {
|
|
|
1187 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
1188 |
DECL_SPEC ds = DEREF_dspec ( tok_templ_usage ( sort ) ) ;
|
|
|
1189 |
if ( ds & dspec_used ) {
|
|
|
1190 |
/* Already used */
|
|
|
1191 |
report ( crt_loc, ERR_temp_decl_one () ) ;
|
|
|
1192 |
}
|
|
|
1193 |
ds |= dspec_used ;
|
|
|
1194 |
COPY_dspec ( tok_templ_usage ( sort ), ds ) ;
|
|
|
1195 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1196 |
}
|
|
|
1197 |
return ;
|
|
|
1198 |
}
|
|
|
1199 |
|
|
|
1200 |
|
|
|
1201 |
/*
|
|
|
1202 |
EXPORT A SET OF TEMPLATE INSTANCES
|
|
|
1203 |
|
|
|
1204 |
This routine exports the instances associated with the template type t.
|
|
|
1205 |
It returns the non-template component of t.
|
|
|
1206 |
*/
|
|
|
1207 |
|
|
|
1208 |
static TYPE export_instances
|
|
|
1209 |
PROTO_N ( ( t, def ) )
|
|
|
1210 |
PROTO_T ( TYPE t X int def )
|
|
|
1211 |
{
|
|
|
1212 |
while ( IS_type_templ ( t ) ) {
|
|
|
1213 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
1214 |
INSTANCE apps = DEREF_inst ( tok_templ_apps ( sort ) ) ;
|
|
|
1215 |
while ( !IS_NULL_inst ( apps ) ) {
|
|
|
1216 |
DECL_SPEC acc = DEREF_dspec ( inst_templ_access ( apps ) ) ;
|
|
|
1217 |
if ( !( acc & ( dspec_alias | dspec_main ) ) ) {
|
|
|
1218 |
IDENTIFIER id = DEREF_id ( inst_templ_id ( apps ) ) ;
|
|
|
1219 |
export_template ( id, def ) ;
|
|
|
1220 |
}
|
|
|
1221 |
acc |= dspec_typedef ;
|
|
|
1222 |
COPY_dspec ( inst_templ_access ( apps ), acc ) ;
|
|
|
1223 |
apps = DEREF_inst ( inst_next ( apps ) ) ;
|
|
|
1224 |
}
|
|
|
1225 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1226 |
}
|
|
|
1227 |
return ( t ) ;
|
|
|
1228 |
}
|
|
|
1229 |
|
|
|
1230 |
|
|
|
1231 |
/*
|
|
|
1232 |
EXPORT A TEMPLATE IDENTIFIER
|
|
|
1233 |
|
|
|
1234 |
This routine marks the template identifier id as having been exported.
|
|
|
1235 |
def is 2 for the first explicit declaration of a template, 1 for a
|
|
|
1236 |
redeclaration and 0 otherwise.
|
|
|
1237 |
*/
|
|
|
1238 |
|
|
|
1239 |
void export_template
|
|
|
1240 |
PROTO_N ( ( id, def ) )
|
|
|
1241 |
PROTO_T ( IDENTIFIER id X int def )
|
|
|
1242 |
{
|
|
|
1243 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1244 |
if ( ds & ( dspec_inherit | dspec_implicit ) ) return ;
|
|
|
1245 |
if ( ds & ( dspec_inline | dspec_static ) ) return ;
|
|
|
1246 |
if ( def == 0 && ( ds & dspec_typedef ) ) {
|
|
|
1247 |
/* Already exported */
|
|
|
1248 |
return ;
|
|
|
1249 |
}
|
|
|
1250 |
ds |= dspec_typedef ;
|
|
|
1251 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
1252 |
if ( def == 2 && !has_linkage ( id ) ) {
|
|
|
1253 |
/* Can't export anonymous identifiers */
|
|
|
1254 |
report ( crt_loc, ERR_temp_decl_export ( id ) ) ;
|
|
|
1255 |
}
|
|
|
1256 |
switch ( TAG_id ( id ) ) {
|
|
|
1257 |
case id_class_name_tag :
|
|
|
1258 |
case id_class_alias_tag : {
|
|
|
1259 |
/* Template classes */
|
|
|
1260 |
TYPE t = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
1261 |
t = export_instances ( t, def ) ;
|
|
|
1262 |
if ( IS_type_compound ( t ) ) {
|
|
|
1263 |
CLASS_TYPE ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
1264 |
IDENTIFIER cid = DEREF_id ( ctype_name ( ct ) ) ;
|
|
|
1265 |
if ( EQ_id ( id, cid ) ) {
|
|
|
1266 |
NAMESPACE ns = DEREF_nspace ( ctype_member ( ct ) ) ;
|
|
|
1267 |
MEMBER mem = DEREF_member ( nspace_ctype_first ( ns ) ) ;
|
|
|
1268 |
while ( !IS_NULL_member ( mem ) ) {
|
|
|
1269 |
/* Scan through class members */
|
|
|
1270 |
IDENTIFIER pid = DEREF_id ( member_id ( mem ) ) ;
|
|
|
1271 |
IDENTIFIER qid = DEREF_id ( member_alt ( mem ) ) ;
|
|
|
1272 |
if ( !IS_NULL_id ( pid ) ) {
|
|
|
1273 |
export_template ( pid, def ) ;
|
|
|
1274 |
}
|
|
|
1275 |
if ( !IS_NULL_id ( qid ) && !EQ_id ( qid, pid ) ) {
|
|
|
1276 |
export_template ( qid, def ) ;
|
|
|
1277 |
}
|
|
|
1278 |
mem = DEREF_member ( member_next ( mem ) ) ;
|
|
|
1279 |
}
|
|
|
1280 |
}
|
|
|
1281 |
}
|
|
|
1282 |
break ;
|
|
|
1283 |
}
|
|
|
1284 |
case id_function_tag :
|
|
|
1285 |
case id_mem_func_tag :
|
|
|
1286 |
case id_stat_mem_func_tag : {
|
|
|
1287 |
/* Template functions */
|
|
|
1288 |
TYPE t = DEREF_type ( id_function_etc_type ( id ) ) ;
|
|
|
1289 |
IGNORE export_instances ( t, def ) ;
|
|
|
1290 |
update_tag ( id, 0 ) ;
|
|
|
1291 |
break ;
|
|
|
1292 |
}
|
|
|
1293 |
case id_stat_member_tag : {
|
|
|
1294 |
/* Static data members */
|
|
|
1295 |
update_tag ( id, 0 ) ;
|
|
|
1296 |
break ;
|
|
|
1297 |
}
|
|
|
1298 |
}
|
|
|
1299 |
return ;
|
|
|
1300 |
}
|
|
|
1301 |
|
|
|
1302 |
|
|
|
1303 |
/*
|
|
|
1304 |
HAS A TEMPLATE BEEN EXPORTED?
|
|
|
1305 |
|
|
|
1306 |
This routine checks whether the template instance id has been exported.
|
|
|
1307 |
*/
|
|
|
1308 |
|
|
|
1309 |
int is_exported
|
|
|
1310 |
PROTO_N ( ( id ) )
|
|
|
1311 |
PROTO_T ( IDENTIFIER id )
|
|
|
1312 |
{
|
|
|
1313 |
TYPE form ;
|
|
|
1314 |
int def = 0 ;
|
|
|
1315 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1316 |
if ( ds & dspec_typedef ) return ( 1 ) ;
|
|
|
1317 |
form = find_form ( id, &def ) ;
|
|
|
1318 |
if ( !IS_NULL_type ( form ) && IS_type_instance ( form ) ) {
|
|
|
1319 |
IDENTIFIER tid = DEREF_id ( type_instance_id ( form ) ) ;
|
|
|
1320 |
ds = DEREF_dspec ( id_storage ( tid ) ) ;
|
|
|
1321 |
if ( ds & dspec_typedef ) {
|
|
|
1322 |
export_template ( id, 0 ) ;
|
|
|
1323 |
return ( 1 ) ;
|
|
|
1324 |
}
|
|
|
1325 |
}
|
|
|
1326 |
return ( 0 ) ;
|
|
|
1327 |
}
|
|
|
1328 |
|
|
|
1329 |
|
|
|
1330 |
/*
|
|
|
1331 |
CREATE A SET OF PRIMARY TEMPLATE ARGUMENTS
|
|
|
1332 |
|
|
|
1333 |
This routine creates a list of primary template arguments corresponding
|
|
|
1334 |
to the template parameters pids.
|
|
|
1335 |
*/
|
|
|
1336 |
|
|
|
1337 |
LIST ( TOKEN ) make_primary_args
|
|
|
1338 |
PROTO_N ( ( pids ) )
|
|
|
1339 |
PROTO_T ( LIST ( IDENTIFIER ) pids )
|
|
|
1340 |
{
|
|
|
1341 |
LIST ( TOKEN ) args = NULL_list ( TOKEN ) ;
|
|
|
1342 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
1343 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1344 |
TOKEN arg = apply_token ( pid, NULL_list ( TOKEN ) ) ;
|
|
|
1345 |
CONS_tok ( arg, args, args ) ;
|
|
|
1346 |
pids = TAIL_list ( pids ) ;
|
|
|
1347 |
}
|
|
|
1348 |
return ( REVERSE_list ( args ) ) ;
|
|
|
1349 |
}
|
|
|
1350 |
|
|
|
1351 |
|
|
|
1352 |
/*
|
|
|
1353 |
CHECK A SET OF PRIMARY TEMPLATE PARAMETERS
|
|
|
1354 |
|
|
|
1355 |
This routine checks the template parameters given by the type t for
|
|
|
1356 |
the declaration of the primary template class or function id. It
|
|
|
1357 |
returns the non-template component of t.
|
|
|
1358 |
*/
|
|
|
1359 |
|
|
|
1360 |
TYPE check_templ_params
|
|
|
1361 |
PROTO_N ( ( t, id ) )
|
|
|
1362 |
PROTO_T ( TYPE t X IDENTIFIER id )
|
|
|
1363 |
{
|
|
|
1364 |
int depth = 0 ;
|
|
|
1365 |
unsigned tag = TAG_type ( t ) ;
|
|
|
1366 |
while ( tag == type_templ_tag ) {
|
|
|
1367 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
1368 |
NAMESPACE ns = DEREF_nspace ( tok_templ_pars ( sort ) ) ;
|
|
|
1369 |
DECL_SPEC use = DEREF_dspec ( tok_templ_usage ( sort ) ) ;
|
|
|
1370 |
LIST ( IDENTIFIER ) pids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
1371 |
TYPE s = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1372 |
tag = TAG_type ( s ) ;
|
|
|
1373 |
if ( IS_NULL_list ( pids ) ) {
|
|
|
1374 |
/* No template parameters */
|
|
|
1375 |
if ( IS_NULL_nspace ( ns ) ) {
|
|
|
1376 |
/* Explicit instantiation */
|
|
|
1377 |
report ( decl_loc, ERR_temp_explicit_bad ( id ) ) ;
|
|
|
1378 |
} else {
|
|
|
1379 |
/* Specialisation */
|
|
|
1380 |
report ( decl_loc, ERR_temp_param_none ( id ) ) ;
|
|
|
1381 |
COPY_id ( nspace_name ( ns ), id ) ;
|
|
|
1382 |
}
|
|
|
1383 |
} else {
|
|
|
1384 |
/* Create primary specialisation */
|
|
|
1385 |
TYPE form ;
|
|
|
1386 |
TYPE prim ;
|
|
|
1387 |
INSTANCE apps ;
|
|
|
1388 |
DECL_SPEC ds = ( dspec_template | dspec_extern | dspec_main ) ;
|
|
|
1389 |
LIST ( TOKEN ) args = make_primary_args ( pids ) ;
|
|
|
1390 |
MAKE_type_token ( cv_none, id, args, form ) ;
|
|
|
1391 |
MAKE_type_templ ( cv_none, sort, form, 1, prim ) ;
|
|
|
1392 |
apps = DEREF_inst ( tok_templ_apps ( sort ) ) ;
|
|
|
1393 |
MAKE_inst_templ ( prim, apps, id, ds, all_instances, apps ) ;
|
|
|
1394 |
COPY_inst ( type_token_app ( form ), apps ) ;
|
|
|
1395 |
COPY_inst ( tok_templ_apps ( sort ), apps ) ;
|
|
|
1396 |
all_instances = apps ;
|
|
|
1397 |
if ( tag == type_compound_tag ) {
|
|
|
1398 |
CLASS_TYPE cs = DEREF_ctype ( type_compound_defn ( s ) ) ;
|
|
|
1399 |
COPY_type ( ctype_form ( cs ), form ) ;
|
|
|
1400 |
} else if ( tag == type_func_tag ) {
|
|
|
1401 |
/* Can't have default arguments with function */
|
|
|
1402 |
if ( check_templ_dargs ( t ) ) {
|
|
|
1403 |
report ( decl_loc, ERR_temp_param_func () ) ;
|
|
|
1404 |
}
|
|
|
1405 |
}
|
|
|
1406 |
COPY_id ( nspace_name ( ns ), id ) ;
|
|
|
1407 |
}
|
|
|
1408 |
if ( use & dspec_extern ) export_template ( id, 2 ) ;
|
|
|
1409 |
depth++ ;
|
|
|
1410 |
t = s ;
|
|
|
1411 |
}
|
|
|
1412 |
if ( depth > 1 ) {
|
|
|
1413 |
/* More than one level of templates */
|
|
|
1414 |
report ( decl_loc, ERR_temp_decl_bad () ) ;
|
|
|
1415 |
}
|
|
|
1416 |
return ( t ) ;
|
|
|
1417 |
}
|
|
|
1418 |
|
|
|
1419 |
|
|
|
1420 |
/*
|
|
|
1421 |
CHECK FOR TEMPLATE DEFAULT ARGUMENTS
|
|
|
1422 |
|
|
|
1423 |
This routine returns true if the template type t has default arguments.
|
|
|
1424 |
*/
|
|
|
1425 |
|
|
|
1426 |
int check_templ_dargs
|
|
|
1427 |
PROTO_N ( ( t ) )
|
|
|
1428 |
PROTO_T ( TYPE t )
|
|
|
1429 |
{
|
|
|
1430 |
if ( IS_type_templ ( t ) ) {
|
|
|
1431 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
1432 |
LIST ( TOKEN ) dargs = DEREF_list ( tok_templ_dargs ( sort ) ) ;
|
|
|
1433 |
while ( !IS_NULL_list ( dargs ) ) {
|
|
|
1434 |
TOKEN darg = DEREF_tok ( HEAD_list ( dargs ) ) ;
|
|
|
1435 |
if ( !IS_NULL_tok ( darg ) ) return ( 1 ) ;
|
|
|
1436 |
dargs = TAIL_list ( dargs ) ;
|
|
|
1437 |
}
|
|
|
1438 |
}
|
|
|
1439 |
return ( 0 ) ;
|
|
|
1440 |
}
|
|
|
1441 |
|
|
|
1442 |
|
|
|
1443 |
/*
|
|
|
1444 |
FIND AN UNDERLYING TEMPLATE
|
|
|
1445 |
|
|
|
1446 |
This routine checks whether the identifier id results from the
|
|
|
1447 |
application of a template. If so it returns the underlying template.
|
|
|
1448 |
*/
|
|
|
1449 |
|
|
|
1450 |
IDENTIFIER find_template
|
|
|
1451 |
PROTO_N ( ( id, force ) )
|
|
|
1452 |
PROTO_T ( IDENTIFIER id X int force )
|
|
|
1453 |
{
|
|
|
1454 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
1455 |
switch ( TAG_id ( id ) ) {
|
|
|
1456 |
case id_class_name_tag : {
|
|
|
1457 |
/* Template classes */
|
|
|
1458 |
CLASS_TYPE ct ;
|
|
|
1459 |
int templ = 0 ;
|
|
|
1460 |
TYPE t = DEREF_type ( id_class_name_defn ( id ) ) ;
|
|
|
1461 |
while ( IS_type_templ ( t ) ) {
|
|
|
1462 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1463 |
templ = 1 ;
|
|
|
1464 |
}
|
|
|
1465 |
ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
1466 |
t = DEREF_type ( ctype_form ( ct ) ) ;
|
|
|
1467 |
if ( !IS_NULL_type ( t ) && IS_type_token ( t ) ) {
|
|
|
1468 |
IDENTIFIER tid = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
1469 |
if ( !IS_id_token ( tid ) ) return ( tid ) ;
|
|
|
1470 |
}
|
|
|
1471 |
if ( templ && force ) {
|
|
|
1472 |
/* Primary template class */
|
|
|
1473 |
return ( id ) ;
|
|
|
1474 |
}
|
|
|
1475 |
break ;
|
|
|
1476 |
}
|
|
|
1477 |
case id_function_tag :
|
|
|
1478 |
case id_mem_func_tag :
|
|
|
1479 |
case id_stat_mem_func_tag : {
|
|
|
1480 |
/* Template functions */
|
|
|
1481 |
TYPE t = DEREF_type ( id_function_etc_form ( id ) ) ;
|
|
|
1482 |
if ( !IS_NULL_type ( t ) && IS_type_token ( t ) ) {
|
|
|
1483 |
IDENTIFIER tid = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
1484 |
if ( !IS_id_token ( tid ) ) return ( tid ) ;
|
|
|
1485 |
}
|
|
|
1486 |
if ( force ) {
|
|
|
1487 |
t = DEREF_type ( id_function_etc_type ( id ) ) ;
|
|
|
1488 |
if ( IS_type_templ ( t ) ) {
|
|
|
1489 |
/* Primary template function */
|
|
|
1490 |
return ( id ) ;
|
|
|
1491 |
}
|
|
|
1492 |
}
|
|
|
1493 |
break ;
|
|
|
1494 |
}
|
|
|
1495 |
case id_ambig_tag : {
|
|
|
1496 |
/* Ambiguous identifiers */
|
|
|
1497 |
LIST ( IDENTIFIER ) pids ;
|
|
|
1498 |
pids = DEREF_list ( id_ambig_ids ( id ) ) ;
|
|
|
1499 |
if ( !IS_NULL_list ( pids ) ) {
|
|
|
1500 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1501 |
IDENTIFIER tid = find_template ( pid, force ) ;
|
|
|
1502 |
if ( !IS_NULL_id ( tid ) ) {
|
|
|
1503 |
pids = TAIL_list ( pids ) ;
|
|
|
1504 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
1505 |
IDENTIFIER sid ;
|
|
|
1506 |
pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
1507 |
sid = find_template ( pid, force ) ;
|
|
|
1508 |
if ( !EQ_id ( sid, tid ) ) return ( NULL_id ) ;
|
|
|
1509 |
pids = TAIL_list ( pids ) ;
|
|
|
1510 |
}
|
|
|
1511 |
return ( tid ) ;
|
|
|
1512 |
}
|
|
|
1513 |
}
|
|
|
1514 |
break ;
|
|
|
1515 |
}
|
|
|
1516 |
}
|
|
|
1517 |
}
|
|
|
1518 |
return ( NULL_id ) ;
|
|
|
1519 |
}
|
|
|
1520 |
|
|
|
1521 |
|
|
|
1522 |
/*
|
|
|
1523 |
REDECLARE A TEMPLATE PARAMETER
|
|
|
1524 |
|
|
|
1525 |
This routine checks the template parameter id for redeclarations.
|
|
|
1526 |
*/
|
|
|
1527 |
|
|
|
1528 |
static IDENTIFIER redecl_templ_param
|
|
|
1529 |
PROTO_N ( ( id ) )
|
|
|
1530 |
PROTO_T ( IDENTIFIER id )
|
|
|
1531 |
{
|
|
|
1532 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1533 |
MEMBER mem = search_member ( crt_namespace, nm, 1 ) ;
|
|
|
1534 |
IDENTIFIER pid = DEREF_id ( member_id ( mem ) ) ;
|
|
|
1535 |
if ( !IS_NULL_id ( pid ) ) {
|
|
|
1536 |
/* Parameter already defined */
|
|
|
1537 |
report ( crt_loc, ERR_temp_param_dup ( nm ) ) ;
|
|
|
1538 |
nm = lookup_anon () ;
|
|
|
1539 |
id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
1540 |
}
|
|
|
1541 |
return ( id ) ;
|
|
|
1542 |
}
|
|
|
1543 |
|
|
|
1544 |
|
|
|
1545 |
/*
|
|
|
1546 |
DECLARE A TEMPLATE TYPE PARAMETER
|
|
|
1547 |
|
|
|
1548 |
This routine declares a template type parameter named id.
|
|
|
1549 |
*/
|
|
|
1550 |
|
|
|
1551 |
IDENTIFIER make_type_param
|
|
|
1552 |
PROTO_N ( ( id ) )
|
|
|
1553 |
PROTO_T ( IDENTIFIER id )
|
|
|
1554 |
{
|
|
|
1555 |
TOKEN tok ;
|
|
|
1556 |
MAKE_tok_type ( btype_template, NULL_type, tok ) ;
|
|
|
1557 |
id = redecl_templ_param ( id ) ;
|
|
|
1558 |
id = make_token_decl ( tok, 0, id, NULL_id ) ;
|
|
|
1559 |
return ( id ) ;
|
|
|
1560 |
}
|
|
|
1561 |
|
|
|
1562 |
|
|
|
1563 |
/*
|
|
|
1564 |
SET A DEFAULT TEMPLATE TYPE ARGUMENT
|
|
|
1565 |
|
|
|
1566 |
This routine sets the default value for the template type parameter id
|
|
|
1567 |
to be t.
|
|
|
1568 |
*/
|
|
|
1569 |
|
|
|
1570 |
void init_type_param
|
|
|
1571 |
PROTO_N ( ( id, t ) )
|
|
|
1572 |
PROTO_T ( IDENTIFIER id X TYPE t )
|
|
|
1573 |
{
|
|
|
1574 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1575 |
COPY_dspec ( id_storage ( id ), ( ds & ~dspec_pure ) ) ;
|
|
|
1576 |
IGNORE define_type_token ( id, t, 0 ) ;
|
|
|
1577 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
1578 |
return ;
|
|
|
1579 |
}
|
|
|
1580 |
|
|
|
1581 |
|
|
|
1582 |
/*
|
|
|
1583 |
DECLARE A TEMPLATE EXPRESSION PARAMETER
|
|
|
1584 |
|
|
|
1585 |
This routine declares a template expression parameter named id of
|
|
|
1586 |
type t.
|
|
|
1587 |
*/
|
|
|
1588 |
|
|
|
1589 |
IDENTIFIER make_exp_param
|
|
|
1590 |
PROTO_N ( ( t, id ) )
|
|
|
1591 |
PROTO_T ( TYPE t X IDENTIFIER id )
|
|
|
1592 |
{
|
|
|
1593 |
TOKEN tok ;
|
|
|
1594 |
t = rvalue_type ( t ) ;
|
|
|
1595 |
MAKE_tok_exp ( t, 1, NULL_exp, tok ) ;
|
|
|
1596 |
id = make_token_decl ( tok, 0, id, NULL_id ) ;
|
|
|
1597 |
return ( id ) ;
|
|
|
1598 |
}
|
|
|
1599 |
|
|
|
1600 |
|
|
|
1601 |
/*
|
|
|
1602 |
SET A DEFAULT TEMPLATE EXPRESSION ARGUMENT
|
|
|
1603 |
|
|
|
1604 |
This routine sets the default value for the template expression
|
|
|
1605 |
parameter id to be e.
|
|
|
1606 |
*/
|
|
|
1607 |
|
|
|
1608 |
void init_exp_param
|
|
|
1609 |
PROTO_N ( ( id, e ) )
|
|
|
1610 |
PROTO_T ( IDENTIFIER id X EXP e )
|
|
|
1611 |
{
|
|
|
1612 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1613 |
COPY_dspec ( id_storage ( id ), ( ds & ~dspec_pure ) ) ;
|
|
|
1614 |
IGNORE define_exp_token ( id, e, 1 ) ;
|
|
|
1615 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
1616 |
return ;
|
|
|
1617 |
}
|
|
|
1618 |
|
|
|
1619 |
|
|
|
1620 |
/*
|
|
|
1621 |
DECLARE A TEMPLATE TEMPLATE PARAMETER
|
|
|
1622 |
|
|
|
1623 |
This routine declares a template template parameter named id of type t.
|
|
|
1624 |
*/
|
|
|
1625 |
|
|
|
1626 |
IDENTIFIER make_template_param
|
|
|
1627 |
PROTO_N ( ( t, id ) )
|
|
|
1628 |
PROTO_T ( TYPE t X IDENTIFIER id )
|
|
|
1629 |
{
|
|
|
1630 |
TOKEN tok ;
|
|
|
1631 |
MAKE_tok_class ( t, NULL_id, tok ) ;
|
|
|
1632 |
id = redecl_templ_param ( id ) ;
|
|
|
1633 |
id = make_token_decl ( tok, 0, id, NULL_id ) ;
|
|
|
1634 |
return ( id ) ;
|
|
|
1635 |
}
|
|
|
1636 |
|
|
|
1637 |
|
|
|
1638 |
/*
|
|
|
1639 |
SET A TEMPLATE TEMPLATE ARGUMENT
|
|
|
1640 |
|
|
|
1641 |
This routine sets the value for the template template parameter id to
|
|
|
1642 |
be tid. This is used both to set a default argument value and to
|
|
|
1643 |
define a template template parameter.
|
|
|
1644 |
*/
|
|
|
1645 |
|
|
|
1646 |
void init_template_param
|
|
|
1647 |
PROTO_N ( ( id, tid ) )
|
|
|
1648 |
PROTO_T ( IDENTIFIER id X IDENTIFIER tid )
|
|
|
1649 |
{
|
|
|
1650 |
if ( !IS_NULL_id ( tid ) ) {
|
|
|
1651 |
if ( IS_id_class_name_etc ( tid ) ) {
|
|
|
1652 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1653 |
COPY_dspec ( id_storage ( id ), ( ds & ~dspec_pure ) ) ;
|
|
|
1654 |
IGNORE define_templ_token ( id, tid ) ;
|
|
|
1655 |
COPY_dspec ( id_storage ( id ), ds ) ;
|
|
|
1656 |
} else {
|
|
|
1657 |
report ( crt_loc, ERR_temp_arg_templ_not ( id, tid ) ) ;
|
|
|
1658 |
}
|
|
|
1659 |
}
|
|
|
1660 |
return ;
|
|
|
1661 |
}
|
|
|
1662 |
|
|
|
1663 |
|
|
|
1664 |
/*
|
|
|
1665 |
LIST OF DUMMY TYPE PARAMETERS
|
|
|
1666 |
|
|
|
1667 |
This list is used to store all the dummy type parameters created by
|
|
|
1668 |
make_dummy_type to avoid duplicates.
|
|
|
1669 |
*/
|
|
|
1670 |
|
|
|
1671 |
static LIST ( IDENTIFIER ) dummy_types = NULL_list ( IDENTIFIER ) ;
|
|
|
1672 |
|
|
|
1673 |
|
|
|
1674 |
/*
|
|
|
1675 |
CREATE A DUMMY TYPE PARAMETER
|
|
|
1676 |
|
|
|
1677 |
This routine creates a dummy type parameter named id in the namespace
|
|
|
1678 |
ns. bt gives the token type kind.
|
|
|
1679 |
*/
|
|
|
1680 |
|
|
|
1681 |
static TYPE make_dummy_type
|
|
|
1682 |
PROTO_N ( ( ns, id, bt, args ) )
|
|
|
1683 |
PROTO_T ( NAMESPACE ns X IDENTIFIER id X BASE_TYPE bt X
|
|
|
1684 |
LIST ( TOKEN ) args )
|
|
|
1685 |
{
|
|
|
1686 |
TYPE t ;
|
|
|
1687 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
1688 |
LIST ( IDENTIFIER ) p = dummy_types ;
|
|
|
1689 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
1690 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( p ) ) ;
|
|
|
1691 |
HASHID pnm = DEREF_hashid ( id_name ( pid ) ) ;
|
|
|
1692 |
NAMESPACE pns = DEREF_nspace ( id_parent ( pid ) ) ;
|
|
|
1693 |
if ( EQ_hashid ( nm, pnm ) && EQ_nspace ( ns, pns ) ) {
|
|
|
1694 |
TOKEN tok = DEREF_tok ( id_token_sort ( pid ) ) ;
|
|
|
1695 |
BASE_TYPE pt = DEREF_btype ( tok_type_kind ( tok ) ) ;
|
|
|
1696 |
if ( bt == pt ) {
|
|
|
1697 |
id = pid ;
|
|
|
1698 |
break ;
|
|
|
1699 |
}
|
|
|
1700 |
}
|
|
|
1701 |
p = TAIL_list ( p ) ;
|
|
|
1702 |
}
|
|
|
1703 |
if ( IS_NULL_list ( p ) ) {
|
|
|
1704 |
/* Create new parameter */
|
|
|
1705 |
TOKEN tok ;
|
|
|
1706 |
DECL_SPEC ds = ( dspec_template | dspec_token | dspec_auto |
|
|
|
1707 |
dspec_pure | dspec_implicit ) ;
|
|
|
1708 |
MAKE_tok_type ( bt, NULL_type, tok ) ;
|
|
|
1709 |
MAKE_id_token ( nm, ds, ns, crt_loc, tok, NULL_id, id ) ;
|
|
|
1710 |
COPY_id ( id_token_alt ( id ), id ) ;
|
|
|
1711 |
CONS_id ( id, dummy_types, dummy_types ) ;
|
|
|
1712 |
}
|
|
|
1713 |
MAKE_type_token ( cv_none, id, args, t ) ;
|
|
|
1714 |
return ( t ) ;
|
|
|
1715 |
}
|
|
|
1716 |
|
|
|
1717 |
|
|
|
1718 |
/*
|
|
|
1719 |
DOES A TYPE REPRESENT A TEMPLATE SPECIALISATION?
|
|
|
1720 |
|
|
|
1721 |
This routine checks whether the type t represents an explicit template
|
|
|
1722 |
specialisation or instantiation.
|
|
|
1723 |
*/
|
|
|
1724 |
|
|
|
1725 |
int is_templ_spec
|
|
|
1726 |
PROTO_N ( ( t ) )
|
|
|
1727 |
PROTO_T ( TYPE t )
|
|
|
1728 |
{
|
|
|
1729 |
while ( !IS_NULL_type ( t ) && IS_type_templ ( t ) ) {
|
|
|
1730 |
LIST ( IDENTIFIER ) pids ;
|
|
|
1731 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
1732 |
pids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
1733 |
if ( IS_NULL_list ( pids ) ) return ( 1 ) ;
|
|
|
1734 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1735 |
}
|
|
|
1736 |
return ( 0 ) ;
|
|
|
1737 |
}
|
|
|
1738 |
|
|
|
1739 |
|
|
|
1740 |
/*
|
|
|
1741 |
IS A TYPE A TEMPLATE PARAMETER?
|
|
|
1742 |
|
|
|
1743 |
This routine checks whether the type t represents a template parameter
|
|
|
1744 |
and a template declaration is currently being processed.
|
|
|
1745 |
*/
|
|
|
1746 |
|
|
|
1747 |
int is_templ_type
|
|
|
1748 |
PROTO_N ( ( t ) )
|
|
|
1749 |
PROTO_T ( TYPE t )
|
|
|
1750 |
{
|
|
|
1751 |
if ( !IS_NULL_type ( t ) && IS_type_token ( t ) ) {
|
|
|
1752 |
IDENTIFIER id = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
1753 |
if ( is_templ_param ( id ) ) return ( in_template_decl ) ;
|
|
|
1754 |
}
|
|
|
1755 |
return ( 0 ) ;
|
|
|
1756 |
}
|
|
|
1757 |
|
|
|
1758 |
|
|
|
1759 |
/*
|
|
|
1760 |
DOES A TYPE DEPEND ON A TEMPLATE TYPE PARAMETER?
|
|
|
1761 |
|
|
|
1762 |
This routine checks whether the type t is dependent on any template
|
|
|
1763 |
parameter.
|
|
|
1764 |
*/
|
|
|
1765 |
|
|
|
1766 |
int is_templ_depend
|
|
|
1767 |
PROTO_N ( ( t ) )
|
|
|
1768 |
PROTO_T ( TYPE t )
|
|
|
1769 |
{
|
|
|
1770 |
if ( in_template_decl ) {
|
|
|
1771 |
/* Only need to check in a template declaration */
|
|
|
1772 |
return ( depends_on ( t, any_templ_param ) ) ;
|
|
|
1773 |
}
|
|
|
1774 |
return ( 0 ) ;
|
|
|
1775 |
}
|
|
|
1776 |
|
|
|
1777 |
|
|
|
1778 |
/*
|
|
|
1779 |
IS AN IDENTIFIER A TEMPLATE TYPE PARAMETER?
|
|
|
1780 |
|
|
|
1781 |
This routine checks whether the token identifier id represents a
|
|
|
1782 |
template type parameter.
|
|
|
1783 |
*/
|
|
|
1784 |
|
|
|
1785 |
int is_templ_param
|
|
|
1786 |
PROTO_N ( ( id ) )
|
|
|
1787 |
PROTO_T ( IDENTIFIER id )
|
|
|
1788 |
{
|
|
|
1789 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1790 |
if ( ( ds & dspec_template ) && ( ds & dspec_auto ) ) return ( 1 ) ;
|
|
|
1791 |
return ( 0 ) ;
|
|
|
1792 |
}
|
|
|
1793 |
|
|
|
1794 |
|
|
|
1795 |
/*
|
|
|
1796 |
IS AN IDENTIFIER AN ALIAS FOR A TEMPLATE TYPE PARAMETER?
|
|
|
1797 |
|
|
|
1798 |
This routine checks whether the identifier id is the internal name
|
|
|
1799 |
for a template type parameter.
|
|
|
1800 |
*/
|
|
|
1801 |
|
|
|
1802 |
int is_templ_alias
|
|
|
1803 |
PROTO_N ( ( id ) )
|
|
|
1804 |
PROTO_T ( IDENTIFIER id )
|
|
|
1805 |
{
|
|
|
1806 |
unsigned tag = TAG_id ( id ) ;
|
|
|
1807 |
if ( tag == id_type_alias_tag ) {
|
|
|
1808 |
TYPE t = DEREF_type ( id_type_alias_defn ( id ) ) ;
|
|
|
1809 |
if ( IS_type_token ( t ) ) {
|
|
|
1810 |
id = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
1811 |
tag = TAG_id ( id ) ;
|
|
|
1812 |
}
|
|
|
1813 |
} else if ( tag == id_token_tag ) {
|
|
|
1814 |
id = DEREF_id ( id_token_alt ( id ) ) ;
|
|
|
1815 |
tag = TAG_id ( id ) ;
|
|
|
1816 |
}
|
|
|
1817 |
if ( tag == id_token_tag && is_templ_param ( id ) ) {
|
|
|
1818 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
1819 |
if ( !( ds & dspec_implicit ) ) return ( 1 ) ;
|
|
|
1820 |
}
|
|
|
1821 |
return ( 0 ) ;
|
|
|
1822 |
}
|
|
|
1823 |
|
|
|
1824 |
|
|
|
1825 |
/*
|
|
|
1826 |
IS AN IDENTIFIER A TEMPLATE DECLARATOR?
|
|
|
1827 |
|
|
|
1828 |
This routine checks whether the declarator id represents a template
|
|
|
1829 |
instance. If id is a function declaration then t gives the function
|
|
|
1830 |
type.
|
|
|
1831 |
*/
|
|
|
1832 |
|
|
|
1833 |
int is_templ_decl
|
|
|
1834 |
PROTO_N ( ( id, t ) )
|
|
|
1835 |
PROTO_T ( IDENTIFIER id X TYPE t )
|
|
|
1836 |
{
|
|
|
1837 |
if ( crt_templ_qualifier ) {
|
|
|
1838 |
/* Declaration is a template-id */
|
|
|
1839 |
IDENTIFIER tid = find_template ( id, 0 ) ;
|
|
|
1840 |
if ( !IS_NULL_id ( tid ) ) return ( 1 ) ;
|
|
|
1841 |
}
|
|
|
1842 |
if ( !IS_NULL_type ( t ) && crt_id_qualifier != qual_none ) {
|
|
|
1843 |
/* Function declarator is a qualified-id */
|
|
|
1844 |
int eq = 0 ;
|
|
|
1845 |
LIST ( IDENTIFIER ) pids = NULL_list ( IDENTIFIER ) ;
|
|
|
1846 |
IDENTIFIER pid = resolve_func ( id, t, 1, 1, pids, &eq ) ;
|
|
|
1847 |
if ( !IS_NULL_id ( pid ) ) {
|
|
|
1848 |
IDENTIFIER tid = find_template ( pid, 0 ) ;
|
|
|
1849 |
if ( !IS_NULL_id ( tid ) ) return ( 1 ) ;
|
|
|
1850 |
}
|
|
|
1851 |
}
|
|
|
1852 |
return ( 0 ) ;
|
|
|
1853 |
}
|
|
|
1854 |
|
|
|
1855 |
|
|
|
1856 |
/*
|
|
|
1857 |
IS A NAMESPACE A TEMPLATE CLASS?
|
|
|
1858 |
|
|
|
1859 |
This routine checks whether the namespace ns represents a template
|
|
|
1860 |
class or a nested class of a template class or a block of a template
|
|
|
1861 |
function.
|
|
|
1862 |
*/
|
|
|
1863 |
|
|
|
1864 |
int is_templ_nspace
|
|
|
1865 |
PROTO_N ( ( ns ) )
|
|
|
1866 |
PROTO_T ( NAMESPACE ns )
|
|
|
1867 |
{
|
|
|
1868 |
while ( !IS_NULL_nspace ( ns ) ) {
|
|
|
1869 |
IDENTIFIER tid ;
|
|
|
1870 |
IDENTIFIER id = DEREF_id ( nspace_name ( ns ) ) ;
|
|
|
1871 |
if ( IS_NULL_id ( id ) ) break ;
|
|
|
1872 |
tid = find_template ( id, 1 ) ;
|
|
|
1873 |
if ( !IS_NULL_id ( tid ) ) return ( 1 ) ;
|
|
|
1874 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
1875 |
}
|
|
|
1876 |
return ( 0 ) ;
|
|
|
1877 |
}
|
|
|
1878 |
|
|
|
1879 |
|
|
|
1880 |
/*
|
|
|
1881 |
CHECK A TYPENAME
|
|
|
1882 |
|
|
|
1883 |
This routine checks whether 'typename ns::id' can be used to declare
|
|
|
1884 |
a type. If so this type is returned, otherwise the null type is
|
|
|
1885 |
returned. Any following template arguments are dealt with in this
|
|
|
1886 |
routine.
|
|
|
1887 |
*/
|
|
|
1888 |
|
|
|
1889 |
TYPE check_typename
|
|
|
1890 |
PROTO_N ( ( ns, id, key ) )
|
|
|
1891 |
PROTO_T ( NAMESPACE ns X IDENTIFIER id X BASE_TYPE key )
|
|
|
1892 |
{
|
|
|
1893 |
TYPE s = NULL_type ;
|
|
|
1894 |
if ( in_template_decl ) {
|
|
|
1895 |
if ( !IS_NULL_nspace ( ns ) && IS_nspace_ctype ( ns ) ) {
|
|
|
1896 |
IDENTIFIER tid = DEREF_id ( nspace_name ( ns ) ) ;
|
|
|
1897 |
TYPE t = DEREF_type ( id_class_name_etc_defn ( tid ) ) ;
|
|
|
1898 |
while ( IS_type_templ ( t ) ) {
|
|
|
1899 |
/* Step over any template qualifiers */
|
|
|
1900 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
1901 |
}
|
|
|
1902 |
if ( is_templ_depend ( t ) ) {
|
|
|
1903 |
/* Qualifier depends on a template parameter */
|
|
|
1904 |
int templ = 0 ;
|
|
|
1905 |
LIST ( TOKEN ) args = NULL_list ( TOKEN ) ;
|
|
|
1906 |
if ( crt_lex_token == lex_less ) {
|
|
|
1907 |
/* Step over template arguments */
|
|
|
1908 |
PPTOKEN *p = skip_template_args ( NULL_id, 1 ) ;
|
|
|
1909 |
args = parse_template_args ( p ) ;
|
|
|
1910 |
templ = 1 ;
|
|
|
1911 |
}
|
|
|
1912 |
if ( IS_id_class_name_etc ( id ) ) {
|
|
|
1913 |
if ( templ ) {
|
|
|
1914 |
/* Apply template arguments */
|
|
|
1915 |
id = apply_template ( id, args, 0, 0 ) ;
|
|
|
1916 |
}
|
|
|
1917 |
s = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
1918 |
if ( IS_type_templ ( s ) ) {
|
|
|
1919 |
s = deduce_type_template ( id, 1 ) ;
|
|
|
1920 |
}
|
|
|
1921 |
s = copy_typedef ( id, s, cv_none ) ;
|
|
|
1922 |
COPY_id ( type_name ( s ), id ) ;
|
|
|
1923 |
use_id ( id, 0 ) ;
|
|
|
1924 |
} else {
|
|
|
1925 |
BASE_TYPE bt = ( btype_template | btype_typename ) ;
|
|
|
1926 |
if ( templ ) bt |= btype_args ;
|
|
|
1927 |
s = make_dummy_type ( ns, id, bt, args ) ;
|
|
|
1928 |
if ( key != btype_none ) {
|
|
|
1929 |
/* Result should be a class */
|
|
|
1930 |
id = DEREF_id ( type_token_tok ( s ) ) ;
|
|
|
1931 |
args = NULL_list ( TOKEN ) ;
|
|
|
1932 |
s = make_dummy_class ( id, args, key ) ;
|
|
|
1933 |
}
|
|
|
1934 |
}
|
|
|
1935 |
}
|
|
|
1936 |
}
|
|
|
1937 |
}
|
|
|
1938 |
return ( s ) ;
|
|
|
1939 |
}
|
|
|
1940 |
|
|
|
1941 |
|
|
|
1942 |
/*
|
|
|
1943 |
DECLARE A TYPENAME
|
|
|
1944 |
|
|
|
1945 |
This routine handles a type declared using typename. ns gives the
|
|
|
1946 |
name qualifiers used in the declaration and id gives the actual member
|
|
|
1947 |
name. Any following template arguments are dealt with in this
|
|
|
1948 |
routine.
|
|
|
1949 |
*/
|
|
|
1950 |
|
|
|
1951 |
TYPE make_typename
|
|
|
1952 |
PROTO_N ( ( ns, id ) )
|
|
|
1953 |
PROTO_T ( NAMESPACE ns X IDENTIFIER id )
|
|
|
1954 |
{
|
|
|
1955 |
TYPE s = check_typename ( ns, id, btype_none ) ;
|
|
|
1956 |
if ( IS_NULL_type ( s ) ) {
|
|
|
1957 |
int templ = 0 ;
|
|
|
1958 |
LIST ( TOKEN ) args = NULL_list ( TOKEN ) ;
|
|
|
1959 |
report ( crt_loc, ERR_temp_res_qual () ) ;
|
|
|
1960 |
if ( crt_lex_token == lex_less ) {
|
|
|
1961 |
/* Step over template arguments */
|
|
|
1962 |
PPTOKEN *p = skip_template_args ( NULL_id, 1 ) ;
|
|
|
1963 |
args = parse_template_args ( p ) ;
|
|
|
1964 |
templ = 1 ;
|
|
|
1965 |
}
|
|
|
1966 |
if ( IS_id_class_name_etc ( id ) ) {
|
|
|
1967 |
/* Name denotes a type - return that */
|
|
|
1968 |
if ( templ ) {
|
|
|
1969 |
/* Apply template arguments */
|
|
|
1970 |
id = apply_template ( id, args, 0, 0 ) ;
|
|
|
1971 |
}
|
|
|
1972 |
s = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
1973 |
if ( IS_type_templ ( s ) ) {
|
|
|
1974 |
s = deduce_type_template ( id, 1 ) ;
|
|
|
1975 |
}
|
|
|
1976 |
s = copy_typedef ( id, s, cv_none ) ;
|
|
|
1977 |
COPY_id ( type_name ( s ), id ) ;
|
|
|
1978 |
use_id ( id, 0 ) ;
|
|
|
1979 |
} else {
|
|
|
1980 |
/* Return the error type */
|
|
|
1981 |
s = type_error ;
|
|
|
1982 |
}
|
|
|
1983 |
}
|
|
|
1984 |
return ( s ) ;
|
|
|
1985 |
}
|
|
|
1986 |
|
|
|
1987 |
|
|
|
1988 |
/*
|
|
|
1989 |
LIST OF BAD TYPENAMES
|
|
|
1990 |
|
|
|
1991 |
Without some action, an illegal typename can be reported many times.
|
|
|
1992 |
A list of all bad typename look-ups is maintained so that the error is
|
|
|
1993 |
only reported once.
|
|
|
1994 |
*/
|
|
|
1995 |
|
|
|
1996 |
static LIST ( IDENTIFIER ) non_typenames = NULL_list ( IDENTIFIER ) ;
|
|
|
1997 |
|
|
|
1998 |
|
|
|
1999 |
/*
|
|
|
2000 |
FIND THE TYPE GIVEN BY A TYPENAME
|
|
|
2001 |
|
|
|
2002 |
This routine expands the type name id. If no expansion is possible
|
|
|
2003 |
then the null type is returned. type indicates whether the look-up
|
|
|
2004 |
should be for a type name or an object name (the latter is used when
|
|
|
2005 |
searching for a type previously declared using typename).
|
|
|
2006 |
*/
|
|
|
2007 |
|
|
|
2008 |
TYPE find_typename
|
|
|
2009 |
PROTO_N ( ( id, args, bt, type ) )
|
|
|
2010 |
PROTO_T ( IDENTIFIER id X LIST ( TOKEN ) args X BASE_TYPE bt X int type )
|
|
|
2011 |
{
|
|
|
2012 |
TYPE t = NULL_type ;
|
|
|
2013 |
NAMESPACE ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
2014 |
NAMESPACE cns = rescan_nspace ( ns ) ;
|
|
|
2015 |
if ( !EQ_nspace ( cns, ns ) ) {
|
|
|
2016 |
/* Rescan type name */
|
|
|
2017 |
LIST ( IDENTIFIER ) p ;
|
|
|
2018 |
HASHID nm = DEREF_hashid ( id_name ( id ) ) ;
|
|
|
2019 |
IDENTIFIER tid = search_field ( cns, nm, 0, type ) ;
|
|
|
2020 |
if ( !IS_NULL_id ( tid ) && IS_id_class_name_etc ( tid ) ) {
|
|
|
2021 |
/* Type name */
|
|
|
2022 |
if ( bt & btype_args ) {
|
|
|
2023 |
/* Apply template arguments */
|
|
|
2024 |
tid = apply_template ( tid, args, 0, 0 ) ;
|
|
|
2025 |
}
|
|
|
2026 |
t = DEREF_type ( id_class_name_etc_defn ( tid ) ) ;
|
|
|
2027 |
if ( IS_type_templ ( t ) ) {
|
|
|
2028 |
t = deduce_type_template ( tid, 1 ) ;
|
|
|
2029 |
}
|
|
|
2030 |
t = copy_typedef ( tid, t, cv_none ) ;
|
|
|
2031 |
COPY_id ( type_name ( t ), tid ) ;
|
|
|
2032 |
use_id ( tid, 0 ) ;
|
|
|
2033 |
return ( t ) ;
|
|
|
2034 |
}
|
|
|
2035 |
|
|
|
2036 |
/* Check for template parameters */
|
|
|
2037 |
if ( in_template_decl ) {
|
|
|
2038 |
if ( !IS_NULL_nspace ( cns ) && IS_nspace_ctype ( cns ) ) {
|
|
|
2039 |
tid = DEREF_id ( nspace_name ( cns ) ) ;
|
|
|
2040 |
t = DEREF_type ( id_class_name_etc_defn ( tid ) ) ;
|
|
|
2041 |
while ( IS_type_templ ( t ) ) {
|
|
|
2042 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
2043 |
}
|
|
|
2044 |
if ( is_templ_depend ( t ) ) {
|
|
|
2045 |
t = make_dummy_type ( cns, id, bt, args ) ;
|
|
|
2046 |
return ( t ) ;
|
|
|
2047 |
}
|
|
|
2048 |
}
|
|
|
2049 |
}
|
|
|
2050 |
|
|
|
2051 |
/* Report error */
|
|
|
2052 |
p = non_typenames ;
|
|
|
2053 |
t = type_error ;
|
|
|
2054 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
2055 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( p ) ) ;
|
|
|
2056 |
HASHID pnm = DEREF_hashid ( id_name ( pid ) ) ;
|
|
|
2057 |
NAMESPACE pns = DEREF_nspace ( id_parent ( pid ) ) ;
|
|
|
2058 |
if ( EQ_hashid ( pnm, nm ) && EQ_nspace ( pns, cns ) ) {
|
|
|
2059 |
/* Already reported */
|
|
|
2060 |
break ;
|
|
|
2061 |
}
|
|
|
2062 |
}
|
|
|
2063 |
if ( IS_NULL_list ( p ) ) {
|
|
|
2064 |
/* Report undefined type */
|
|
|
2065 |
MAKE_id_type_alias ( nm, dspec_none, cns, crt_loc, t, tid ) ;
|
|
|
2066 |
CONS_id ( tid, non_typenames, non_typenames ) ;
|
|
|
2067 |
report ( crt_loc, ERR_temp_res_type ( cns, nm ) ) ;
|
|
|
2068 |
}
|
|
|
2069 |
}
|
|
|
2070 |
return ( t ) ;
|
|
|
2071 |
}
|
|
|
2072 |
|
|
|
2073 |
|
|
|
2074 |
/*
|
|
|
2075 |
IDENTIFY TWO LISTS OF TEMPLATE PARAMETERS
|
|
|
2076 |
|
|
|
2077 |
This routine identifies the list of template parameters ps with those
|
|
|
2078 |
in pt, returning true if this is possible.
|
|
|
2079 |
*/
|
|
|
2080 |
|
|
|
2081 |
int eq_templ_params
|
|
|
2082 |
PROTO_N ( ( ps, pt ) )
|
|
|
2083 |
PROTO_T ( LIST ( IDENTIFIER ) ps X LIST ( IDENTIFIER ) pt )
|
|
|
2084 |
{
|
|
|
2085 |
int ok = 1 ;
|
|
|
2086 |
while ( !IS_NULL_list ( ps ) && !IS_NULL_list ( pt ) ) {
|
|
|
2087 |
IDENTIFIER is = DEREF_id ( HEAD_list ( ps ) ) ;
|
|
|
2088 |
IDENTIFIER it = DEREF_id ( HEAD_list ( pt ) ) ;
|
|
|
2089 |
if ( !EQ_id ( is, it ) ) {
|
|
|
2090 |
TOKEN ns, nt ;
|
|
|
2091 |
unsigned vs, vt ;
|
|
|
2092 |
if ( IS_NULL_id ( is ) ) return ( 0 ) ;
|
|
|
2093 |
if ( IS_NULL_id ( it ) ) return ( 0 ) ;
|
|
|
2094 |
ns = DEREF_tok ( id_token_sort ( is ) ) ;
|
|
|
2095 |
nt = DEREF_tok ( id_token_sort ( it ) ) ;
|
|
|
2096 |
vs = TAG_tok ( ns ) ;
|
|
|
2097 |
vt = TAG_tok ( nt ) ;
|
|
|
2098 |
if ( vs != vt ) {
|
|
|
2099 |
/* Parameter sorts should be equal */
|
|
|
2100 |
ok = 0 ;
|
|
|
2101 |
break ;
|
|
|
2102 |
}
|
|
|
2103 |
if ( vs == tok_exp_tag ) {
|
|
|
2104 |
/* Check expression parameter types */
|
|
|
2105 |
TYPE rs = DEREF_type ( tok_exp_type ( ns ) ) ;
|
|
|
2106 |
TYPE rt = DEREF_type ( tok_exp_type ( nt ) ) ;
|
|
|
2107 |
rs = expand_type ( rs, 2 ) ;
|
|
|
2108 |
if ( eq_type ( rs, rt ) != 1 ) {
|
|
|
2109 |
ok = 0 ;
|
|
|
2110 |
break ;
|
|
|
2111 |
}
|
|
|
2112 |
}
|
|
|
2113 |
if ( vs == tok_class_tag ) {
|
|
|
2114 |
/* Check template class parameter types */
|
|
|
2115 |
TYPE rs = DEREF_type ( tok_class_type ( ns ) ) ;
|
|
|
2116 |
TYPE rt = DEREF_type ( tok_class_type ( nt ) ) ;
|
|
|
2117 |
rs = expand_type ( rs, 2 ) ;
|
|
|
2118 |
if ( eq_template ( rs, rt, 0, 1, 0 ) != 3 ) {
|
|
|
2119 |
ok = 0 ;
|
|
|
2120 |
break ;
|
|
|
2121 |
}
|
|
|
2122 |
}
|
|
|
2123 |
it = DEREF_id ( id_alias ( it ) ) ;
|
|
|
2124 |
COPY_id ( id_alias ( is ), it ) ;
|
|
|
2125 |
}
|
|
|
2126 |
pt = TAIL_list ( pt ) ;
|
|
|
2127 |
ps = TAIL_list ( ps ) ;
|
|
|
2128 |
}
|
|
|
2129 |
if ( !EQ_list ( ps, pt ) ) ok = 0 ;
|
|
|
2130 |
return ( ok ) ;
|
|
|
2131 |
}
|
|
|
2132 |
|
|
|
2133 |
|
|
|
2134 |
/*
|
|
|
2135 |
RESTORE A LIST OF TEMPLATE PARAMETERS
|
|
|
2136 |
|
|
|
2137 |
This routine clears the aliases set up by eq_templ_param from the
|
|
|
2138 |
list of template parameters ps.
|
|
|
2139 |
*/
|
|
|
2140 |
|
|
|
2141 |
void restore_templ_params
|
|
|
2142 |
PROTO_N ( ( ps ) )
|
|
|
2143 |
PROTO_T ( LIST ( IDENTIFIER ) ps )
|
|
|
2144 |
{
|
|
|
2145 |
while ( !IS_NULL_list ( ps ) ) {
|
|
|
2146 |
IDENTIFIER is = DEREF_id ( HEAD_list ( ps ) ) ;
|
|
|
2147 |
COPY_id ( id_alias ( is ), is ) ;
|
|
|
2148 |
ps = TAIL_list ( ps ) ;
|
|
|
2149 |
}
|
|
|
2150 |
return ;
|
|
|
2151 |
}
|
|
|
2152 |
|
|
|
2153 |
|
|
|
2154 |
/*
|
|
|
2155 |
CHECK FOR TEMPLATE TYPE EQUALITY
|
|
|
2156 |
|
|
|
2157 |
This routine checks whether the template types s and t are equal
|
|
|
2158 |
under a simple renaming of template parameters. If def is false
|
|
|
2159 |
only the template parameters (and not the underlying type) are checked.
|
|
|
2160 |
mq and rf are as in eq_func_type, as is the return value.
|
|
|
2161 |
*/
|
|
|
2162 |
|
|
|
2163 |
int eq_template
|
|
|
2164 |
PROTO_N ( ( s, t, def, mq, rf ) )
|
|
|
2165 |
PROTO_T ( TYPE s X TYPE t X int def X int mq X int rf )
|
|
|
2166 |
{
|
|
|
2167 |
TOKEN as = DEREF_tok ( type_templ_sort ( s ) ) ;
|
|
|
2168 |
TOKEN at = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
2169 |
LIST ( IDENTIFIER ) ps = DEREF_list ( tok_templ_pids ( as ) ) ;
|
|
|
2170 |
LIST ( IDENTIFIER ) pt = DEREF_list ( tok_templ_pids ( at ) ) ;
|
|
|
2171 |
int eq = eq_templ_params ( ps, pt ) ;
|
|
|
2172 |
if ( eq && def ) {
|
|
|
2173 |
/* Check for equality of definitions */
|
|
|
2174 |
int ft = force_template ;
|
|
|
2175 |
TYPE ds = DEREF_type ( type_templ_defn ( s ) ) ;
|
|
|
2176 |
TYPE dt = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
2177 |
force_template = 0 ;
|
|
|
2178 |
eq = eq_func_type ( ds, dt, mq, rf ) ;
|
|
|
2179 |
force_template = ft ;
|
|
|
2180 |
}
|
|
|
2181 |
restore_templ_params ( ps ) ;
|
|
|
2182 |
return ( eq ) ;
|
|
|
2183 |
}
|
|
|
2184 |
|
|
|
2185 |
|
|
|
2186 |
/*
|
|
|
2187 |
RENAME TEMPLATE PARAMETERS IN A TYPE
|
|
|
2188 |
|
|
|
2189 |
This routine renames the parameters in the given template sort,
|
|
|
2190 |
returning the template type formed by applying this renaming to t.
|
|
|
2191 |
*/
|
|
|
2192 |
|
|
|
2193 |
static TYPE rename_templ_params
|
|
|
2194 |
PROTO_N ( ( sort, t, rec ) )
|
|
|
2195 |
PROTO_T ( TOKEN sort X TYPE t X int rec )
|
|
|
2196 |
{
|
|
|
2197 |
if ( rec ) {
|
|
|
2198 |
int d ;
|
|
|
2199 |
LIST ( TOKEN ) args ;
|
|
|
2200 |
LIST ( IDENTIFIER ) pids ;
|
|
|
2201 |
LIST ( IDENTIFIER ) qids ;
|
|
|
2202 |
pids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
2203 |
sort = expand_sort ( sort, 1, 1 ) ;
|
|
|
2204 |
qids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
2205 |
args = make_primary_args ( qids ) ;
|
|
|
2206 |
d = save_token_args ( pids, args ) ;
|
|
|
2207 |
t = expand_type ( t, 1 ) ;
|
|
|
2208 |
restore_token_args ( pids, d ) ;
|
|
|
2209 |
}
|
|
|
2210 |
MAKE_type_templ ( cv_none, sort, t, 1, t ) ;
|
|
|
2211 |
return ( t ) ;
|
|
|
2212 |
}
|
|
|
2213 |
|
|
|
2214 |
|
|
|
2215 |
/*
|
|
|
2216 |
CHECK FOR TEMPLATE TYPE SPECIALISATION
|
|
|
2217 |
|
|
|
2218 |
This routine checks whether the type t is a specialisation of the
|
|
|
2219 |
template type s. Type qualifiers are ignored if qu is false.
|
|
|
2220 |
*/
|
|
|
2221 |
|
|
|
2222 |
int deduce_template
|
|
|
2223 |
PROTO_N ( ( s, t, qu ) )
|
|
|
2224 |
PROTO_T ( TYPE s X TYPE t X int qu )
|
|
|
2225 |
{
|
|
|
2226 |
int eq ;
|
|
|
2227 |
TYPE r = DEREF_type ( type_templ_defn ( s ) ) ;
|
|
|
2228 |
TOKEN sort = DEREF_tok ( type_templ_sort ( s ) ) ;
|
|
|
2229 |
LIST ( IDENTIFIER ) pids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
2230 |
if ( in_template_decl && depends_on ( t, pids ) ) {
|
|
|
2231 |
/* Rename parameters if necessary */
|
|
|
2232 |
CV_SPEC cv = DEREF_cv ( type_qual ( s ) ) ;
|
|
|
2233 |
s = rename_templ_params ( sort, r, 1 ) ;
|
|
|
2234 |
COPY_cv ( type_qual ( s ), cv ) ;
|
|
|
2235 |
eq = deduce_template ( s, t, qu ) ;
|
|
|
2236 |
} else {
|
|
|
2237 |
/* Perform argument deduction */
|
|
|
2238 |
int d ;
|
|
|
2239 |
force_template++ ;
|
|
|
2240 |
d = save_token_args ( pids, NULL_list ( TOKEN ) ) ;
|
|
|
2241 |
eq = eq_type_qual ( r, t, qu ) ;
|
|
|
2242 |
if ( eq == 3 ) eq = 0 ;
|
|
|
2243 |
restore_token_args ( pids, d ) ;
|
|
|
2244 |
force_template-- ;
|
|
|
2245 |
}
|
|
|
2246 |
return ( eq ) ;
|
|
|
2247 |
}
|
|
|
2248 |
|
|
|
2249 |
|
|
|
2250 |
/*
|
|
|
2251 |
REDECLARE A TEMPLATE TYPE
|
|
|
2252 |
|
|
|
2253 |
This routine checks the redeclaration of the template id of type ps to
|
|
|
2254 |
have type pt. The primary purpose of this is to check for default
|
|
|
2255 |
arguments in the redeclaration. The non-template components are
|
|
|
2256 |
returned via ps and pt.
|
|
|
2257 |
*/
|
|
|
2258 |
|
|
|
2259 |
void redecl_template
|
|
|
2260 |
PROTO_N ( ( ps, pt, id ) )
|
|
|
2261 |
PROTO_T ( TYPE *ps X TYPE *pt X IDENTIFIER id )
|
|
|
2262 |
{
|
|
|
2263 |
TYPE s = *ps ;
|
|
|
2264 |
TYPE t = *pt ;
|
|
|
2265 |
while ( IS_type_templ ( s ) ) {
|
|
|
2266 |
s = DEREF_type ( type_templ_defn ( s ) ) ;
|
|
|
2267 |
}
|
|
|
2268 |
while ( IS_type_templ ( t ) ) {
|
|
|
2269 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
2270 |
DECL_SPEC use = DEREF_dspec ( tok_templ_usage ( sort ) ) ;
|
|
|
2271 |
if ( use & dspec_extern ) export_template ( id, 1 ) ;
|
|
|
2272 |
if ( check_templ_dargs ( t ) ) {
|
|
|
2273 |
/* Can't have default arguments in redeclaration */
|
|
|
2274 |
report ( decl_loc, ERR_temp_param_redecl () ) ;
|
|
|
2275 |
}
|
|
|
2276 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
2277 |
}
|
|
|
2278 |
*pt = t ;
|
|
|
2279 |
*ps = s ;
|
|
|
2280 |
return ;
|
|
|
2281 |
}
|
|
|
2282 |
|
|
|
2283 |
|
|
|
2284 |
/*
|
|
|
2285 |
RESET THE PRIMARY FORM OF A TEMPLATE
|
|
|
2286 |
|
|
|
2287 |
This routine changes the primary representation of a template from
|
|
|
2288 |
s to t. This is done when, for example, the latter is a definition
|
|
|
2289 |
while the former is only a declaration.
|
|
|
2290 |
*/
|
|
|
2291 |
|
|
|
2292 |
void reset_primary_templ
|
|
|
2293 |
PROTO_N ( ( s, t ) )
|
|
|
2294 |
PROTO_T ( TYPE s X TYPE t )
|
|
|
2295 |
{
|
|
|
2296 |
unsigned ns = TAG_type ( s ) ;
|
|
|
2297 |
unsigned nt = TAG_type ( t ) ;
|
|
|
2298 |
while ( ns == type_templ_tag && nt == type_templ_tag ) {
|
|
|
2299 |
TOKEN as = DEREF_tok ( type_templ_sort ( s ) ) ;
|
|
|
2300 |
TOKEN at = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
2301 |
LIST ( IDENTIFIER ) ps = DEREF_list ( tok_templ_pids ( as ) ) ;
|
|
|
2302 |
LIST ( IDENTIFIER ) pt = DEREF_list ( tok_templ_pids ( at ) ) ;
|
|
|
2303 |
INSTANCE apps = DEREF_inst ( tok_templ_apps ( as ) ) ;
|
|
|
2304 |
INSTANCE app = apps ;
|
|
|
2305 |
LIST ( TOKEN ) dargs = DEREF_list ( tok_templ_dargs ( as ) ) ;
|
|
|
2306 |
while ( !IS_NULL_inst ( app ) ) {
|
|
|
2307 |
DECL_SPEC ds = DEREF_dspec ( inst_templ_access ( app ) ) ;
|
|
|
2308 |
if ( ds & dspec_main ) {
|
|
|
2309 |
/* Replace primary template instance */
|
|
|
2310 |
TYPE form = DEREF_type ( inst_form ( app ) ) ;
|
|
|
2311 |
LIST ( TOKEN ) args = make_primary_args ( pt ) ;
|
|
|
2312 |
COPY_tok ( type_templ_sort ( form ), at ) ;
|
|
|
2313 |
form = DEREF_type ( type_templ_defn ( form ) ) ;
|
|
|
2314 |
COPY_list ( type_token_args ( form ), args ) ;
|
|
|
2315 |
}
|
|
|
2316 |
app = DEREF_inst ( inst_next ( app ) ) ;
|
|
|
2317 |
}
|
|
|
2318 |
if ( check_templ_dargs ( s ) ) {
|
|
|
2319 |
/* Expand default arguments */
|
|
|
2320 |
LIST ( TOKEN ) args = make_primary_args ( pt ) ;
|
|
|
2321 |
int d = save_token_args ( ps, args ) ;
|
|
|
2322 |
dargs = expand_args ( dargs, 1, 1 ) ;
|
|
|
2323 |
restore_token_args ( ps, d ) ;
|
|
|
2324 |
}
|
|
|
2325 |
COPY_list ( tok_templ_dargs ( at ), dargs ) ;
|
|
|
2326 |
COPY_inst ( tok_templ_apps ( at ), apps ) ;
|
|
|
2327 |
s = DEREF_type ( type_templ_defn ( s ) ) ;
|
|
|
2328 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
2329 |
ns = TAG_type ( s ) ;
|
|
|
2330 |
nt = TAG_type ( t ) ;
|
|
|
2331 |
}
|
|
|
2332 |
return ;
|
|
|
2333 |
}
|
|
|
2334 |
|
|
|
2335 |
|
|
|
2336 |
/*
|
|
|
2337 |
IS AN IDENTIFIER A TEMPLATE PARAMETER?
|
|
|
2338 |
|
|
|
2339 |
This routine checks whether the token identifier id is one of the
|
|
|
2340 |
template or token parameters given by pids.
|
|
|
2341 |
*/
|
|
|
2342 |
|
|
|
2343 |
int depends_on_param
|
|
|
2344 |
PROTO_N ( ( id, pids ) )
|
|
|
2345 |
PROTO_T ( IDENTIFIER id X LIST ( IDENTIFIER ) pids )
|
|
|
2346 |
{
|
|
|
2347 |
if ( IS_id_token ( id ) ) {
|
|
|
2348 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( id ) ) ;
|
|
|
2349 |
if ( !( ds & dspec_ignore ) ) {
|
|
|
2350 |
if ( EQ_list ( pids, any_templ_param ) ) {
|
|
|
2351 |
/* Short-cut for list of all template parameters */
|
|
|
2352 |
if ( ( ds & dspec_template ) && ( ds & dspec_auto ) ) {
|
|
|
2353 |
return ( 1 ) ;
|
|
|
2354 |
}
|
|
|
2355 |
return ( 0 ) ;
|
|
|
2356 |
}
|
|
|
2357 |
if ( EQ_list ( pids, any_token_param ) ) {
|
|
|
2358 |
/* Short-cut for list of all token parameters */
|
|
|
2359 |
if ( ds & dspec_auto ) return ( 1 ) ;
|
|
|
2360 |
return ( 0 ) ;
|
|
|
2361 |
}
|
|
|
2362 |
while ( !IS_NULL_list ( pids ) ) {
|
|
|
2363 |
IDENTIFIER pid = DEREF_id ( HEAD_list ( pids ) ) ;
|
|
|
2364 |
if ( EQ_id ( pid, id ) ) return ( 1 ) ;
|
|
|
2365 |
pids = TAIL_list ( pids ) ;
|
|
|
2366 |
}
|
|
|
2367 |
}
|
|
|
2368 |
}
|
|
|
2369 |
return ( 0 ) ;
|
|
|
2370 |
}
|
|
|
2371 |
|
|
|
2372 |
|
|
|
2373 |
/*
|
|
|
2374 |
DOES AN IDENTIFIER DEPEND ON A TEMPLATE PARAMETER?
|
|
|
2375 |
|
|
|
2376 |
This routine checks whether the identifier id is one of the template
|
|
|
2377 |
parameters pids or is a template function with an argument depending
|
|
|
2378 |
on pids. If use is true then any other identifiers found are marked
|
|
|
2379 |
as used.
|
|
|
2380 |
*/
|
|
|
2381 |
|
|
|
2382 |
static int depends_on_id
|
|
|
2383 |
PROTO_N ( ( id, pids, use ) )
|
|
|
2384 |
PROTO_T ( IDENTIFIER id X LIST ( IDENTIFIER ) pids X int use )
|
|
|
2385 |
{
|
|
|
2386 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
2387 |
NAMESPACE ns ;
|
|
|
2388 |
switch ( TAG_id ( id ) ) {
|
|
|
2389 |
case id_class_name_tag : {
|
|
|
2390 |
/* Check for template classes */
|
|
|
2391 |
TYPE form ;
|
|
|
2392 |
CLASS_TYPE ct ;
|
|
|
2393 |
TYPE t = DEREF_type ( id_class_name_defn ( id ) ) ;
|
|
|
2394 |
while ( IS_type_templ ( t ) ) {
|
|
|
2395 |
t = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
2396 |
}
|
|
|
2397 |
ct = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
2398 |
form = DEREF_type ( ctype_form ( ct ) ) ;
|
|
|
2399 |
if ( !IS_NULL_type ( form ) ) {
|
|
|
2400 |
if ( depends_on ( form, pids ) ) return ( 1 ) ;
|
|
|
2401 |
}
|
|
|
2402 |
break ;
|
|
|
2403 |
}
|
|
|
2404 |
case id_function_tag :
|
|
|
2405 |
case id_mem_func_tag :
|
|
|
2406 |
case id_stat_mem_func_tag : {
|
|
|
2407 |
/* Check for template functions */
|
|
|
2408 |
TYPE form = DEREF_type ( id_function_etc_form ( id ) ) ;
|
|
|
2409 |
if ( !IS_NULL_type ( form ) ) {
|
|
|
2410 |
/* Check function form */
|
|
|
2411 |
if ( depends_on ( form, pids ) ) return ( 1 ) ;
|
|
|
2412 |
}
|
|
|
2413 |
if ( use ) reuse_id ( id, 0 ) ;
|
|
|
2414 |
break ;
|
|
|
2415 |
}
|
|
|
2416 |
case id_token_tag : {
|
|
|
2417 |
/* Check for template parameters */
|
|
|
2418 |
if ( depends_on_param ( id, pids ) ) return ( 1 ) ;
|
|
|
2419 |
break ;
|
|
|
2420 |
}
|
|
|
2421 |
case id_ambig_tag : {
|
|
|
2422 |
/* Check ambiguous identifiers */
|
|
|
2423 |
LIST ( IDENTIFIER ) qids ;
|
|
|
2424 |
qids = DEREF_list ( id_ambig_ids ( id ) ) ;
|
|
|
2425 |
while ( !IS_NULL_list ( qids ) ) {
|
|
|
2426 |
IDENTIFIER qid = DEREF_id ( HEAD_list ( qids ) ) ;
|
|
|
2427 |
if ( depends_on_id ( qid, pids, use ) ) return ( 1 ) ;
|
|
|
2428 |
qids = TAIL_list ( qids ) ;
|
|
|
2429 |
}
|
|
|
2430 |
break ;
|
|
|
2431 |
}
|
|
|
2432 |
case id_stat_member_tag : {
|
|
|
2433 |
/* Mark static data members */
|
|
|
2434 |
if ( use ) reuse_id ( id, 0 ) ;
|
|
|
2435 |
break ;
|
|
|
2436 |
}
|
|
|
2437 |
}
|
|
|
2438 |
ns = DEREF_nspace ( id_parent ( id ) ) ;
|
|
|
2439 |
if ( !IS_NULL_nspace ( ns ) ) {
|
|
|
2440 |
/* Check enclosing namespace */
|
|
|
2441 |
IDENTIFIER cid = DEREF_id ( nspace_name ( ns ) ) ;
|
|
|
2442 |
return ( depends_on_id ( cid, pids, 0 ) ) ;
|
|
|
2443 |
}
|
|
|
2444 |
}
|
|
|
2445 |
return ( 0 ) ;
|
|
|
2446 |
}
|
|
|
2447 |
|
|
|
2448 |
|
|
|
2449 |
/*
|
|
|
2450 |
DOES A LIST OF TOKEN ARGUMENTS DEPEND ON A TEMPLATE PARAMETER?
|
|
|
2451 |
|
|
|
2452 |
This routine checks whether the list of token arguments args depends
|
|
|
2453 |
on one of the template parameters pids. If next is true then the
|
|
|
2454 |
algorithm is modified to check whether any token argument depends
|
|
|
2455 |
on a later template parameter (e.g. does the first element of args
|
|
|
2456 |
depend on the second, third, etc. element of pids).
|
|
|
2457 |
*/
|
|
|
2458 |
|
|
|
2459 |
int depends_on_args
|
|
|
2460 |
PROTO_N ( ( args, pids, use, next ) )
|
|
|
2461 |
PROTO_T ( LIST ( TOKEN ) args X LIST ( IDENTIFIER ) pids X
|
|
|
2462 |
int use X int next )
|
|
|
2463 |
{
|
|
|
2464 |
while ( !IS_NULL_list ( args ) ) {
|
|
|
2465 |
TOKEN tok = DEREF_tok ( HEAD_list ( args ) ) ;
|
|
|
2466 |
if ( next ) {
|
|
|
2467 |
/* Move on to next parameter */
|
|
|
2468 |
if ( IS_NULL_list ( pids ) ) break ;
|
|
|
2469 |
pids = TAIL_list ( pids ) ;
|
|
|
2470 |
}
|
|
|
2471 |
if ( !IS_NULL_tok ( tok ) ) {
|
|
|
2472 |
switch ( TAG_tok ( tok ) ) {
|
|
|
2473 |
case tok_exp_tag : {
|
|
|
2474 |
EXP e = DEREF_exp ( tok_exp_value ( tok ) ) ;
|
|
|
2475 |
if ( depends_on_exp ( e, pids, use ) ) return ( 1 ) ;
|
|
|
2476 |
break ;
|
|
|
2477 |
}
|
|
|
2478 |
case tok_stmt_tag : {
|
|
|
2479 |
EXP e = DEREF_exp ( tok_stmt_value ( tok ) ) ;
|
|
|
2480 |
if ( depends_on_exp ( e, pids, use ) ) return ( 1 ) ;
|
|
|
2481 |
break ;
|
|
|
2482 |
}
|
|
|
2483 |
case tok_nat_tag :
|
|
|
2484 |
case tok_snat_tag : {
|
|
|
2485 |
NAT n = DEREF_nat ( tok_nat_etc_value ( tok ) ) ;
|
|
|
2486 |
if ( depends_on_nat ( n, pids, use ) ) return ( 1 ) ;
|
|
|
2487 |
break ;
|
|
|
2488 |
}
|
|
|
2489 |
case tok_type_tag : {
|
|
|
2490 |
TYPE t = DEREF_type ( tok_type_value ( tok ) ) ;
|
|
|
2491 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
2492 |
break ;
|
|
|
2493 |
}
|
|
|
2494 |
case tok_member_tag : {
|
|
|
2495 |
OFFSET off = DEREF_off ( tok_member_value ( tok ) ) ;
|
|
|
2496 |
if ( depends_on_off ( off, pids, use ) ) return ( 1 ) ;
|
|
|
2497 |
break ;
|
|
|
2498 |
}
|
|
|
2499 |
case tok_class_tag : {
|
|
|
2500 |
/* NOT YET IMPLEMENTED */
|
|
|
2501 |
break ;
|
|
|
2502 |
}
|
|
|
2503 |
}
|
|
|
2504 |
}
|
|
|
2505 |
args = TAIL_list ( args ) ;
|
|
|
2506 |
}
|
|
|
2507 |
return ( 0 ) ;
|
|
|
2508 |
}
|
|
|
2509 |
|
|
|
2510 |
|
|
|
2511 |
/*
|
|
|
2512 |
DOES AN INTEGRAL CONSTANT DEPEND ON A TEMPLATE PARAMETER?
|
|
|
2513 |
|
|
|
2514 |
This routine checks whether the integral constant n depends on one
|
|
|
2515 |
of the template parameters pids.
|
|
|
2516 |
*/
|
|
|
2517 |
|
|
|
2518 |
int depends_on_nat
|
|
|
2519 |
PROTO_N ( ( n, pids, use ) )
|
|
|
2520 |
PROTO_T ( NAT n X LIST ( IDENTIFIER ) pids X int use )
|
|
|
2521 |
{
|
|
|
2522 |
if ( !IS_NULL_nat ( n ) ) {
|
|
|
2523 |
switch ( TAG_nat ( n ) ) {
|
|
|
2524 |
case nat_calc_tag : {
|
|
|
2525 |
EXP e = DEREF_exp ( nat_calc_value ( n ) ) ;
|
|
|
2526 |
return ( depends_on_exp ( e, pids, use ) ) ;
|
|
|
2527 |
}
|
|
|
2528 |
case nat_token_tag : {
|
|
|
2529 |
IDENTIFIER tid = DEREF_id ( nat_token_tok ( n ) ) ;
|
|
|
2530 |
LIST ( TOKEN ) args = DEREF_list ( nat_token_args ( n ) ) ;
|
|
|
2531 |
if ( depends_on_param ( tid, pids ) ) return ( 2 ) ;
|
|
|
2532 |
if ( depends_on_args ( args, pids, use, 0 ) ) return ( 1 ) ;
|
|
|
2533 |
break ;
|
|
|
2534 |
}
|
|
|
2535 |
}
|
|
|
2536 |
}
|
|
|
2537 |
return ( 0 ) ;
|
|
|
2538 |
}
|
|
|
2539 |
|
|
|
2540 |
|
|
|
2541 |
/*
|
|
|
2542 |
DOES A LIST OF EXPRESSIONS DEPEND ON A TEMPLATE PARAMETER?
|
|
|
2543 |
|
|
|
2544 |
This routine checks whether the list of expressions p depends on one
|
|
|
2545 |
of the template parameters pids.
|
|
|
2546 |
*/
|
|
|
2547 |
|
|
|
2548 |
static int depends_on_exp_list
|
|
|
2549 |
PROTO_N ( ( p, pids, use ) )
|
|
|
2550 |
PROTO_T ( LIST ( EXP ) p X LIST ( IDENTIFIER ) pids X int use )
|
|
|
2551 |
{
|
|
|
2552 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
2553 |
EXP a = DEREF_exp ( HEAD_list ( p ) ) ;
|
|
|
2554 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2555 |
p = TAIL_list ( p ) ;
|
|
|
2556 |
}
|
|
|
2557 |
return ( 0 ) ;
|
|
|
2558 |
}
|
|
|
2559 |
|
|
|
2560 |
|
|
|
2561 |
/*
|
|
|
2562 |
DOES AN EXPRESSION DEPEND ON A TEMPLATE PARAMETER?
|
|
|
2563 |
|
|
|
2564 |
This routine checks whether the expression e depends on one of the
|
|
|
2565 |
template parameters pids. If e is actually a template parameter
|
|
|
2566 |
then 2 is returned.
|
|
|
2567 |
*/
|
|
|
2568 |
|
|
|
2569 |
int depends_on_exp
|
|
|
2570 |
PROTO_N ( ( e, pids, use ) )
|
|
|
2571 |
PROTO_T ( EXP e X LIST ( IDENTIFIER ) pids X int use )
|
|
|
2572 |
{
|
|
|
2573 |
if ( !IS_NULL_exp ( e ) ) {
|
|
|
2574 |
unsigned tag = TAG_exp ( e ) ;
|
|
|
2575 |
TYPE t = DEREF_type ( exp_type ( e ) ) ;
|
|
|
2576 |
if ( tag == exp_token_tag ) {
|
|
|
2577 |
/* Check for template parameters */
|
|
|
2578 |
IDENTIFIER tid = DEREF_id ( exp_token_tok ( e ) ) ;
|
|
|
2579 |
LIST ( TOKEN ) args = DEREF_list ( exp_token_args ( e ) ) ;
|
|
|
2580 |
if ( depends_on_param ( tid, pids ) ) return ( 2 ) ;
|
|
|
2581 |
if ( depends_on_args ( args, pids, use, 0 ) ) return ( 1 ) ;
|
|
|
2582 |
}
|
|
|
2583 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
2584 |
ASSERT ( ORDER_exp == 88 ) ;
|
|
|
2585 |
switch ( tag ) {
|
|
|
2586 |
case exp_identifier_tag :
|
|
|
2587 |
case exp_member_tag :
|
|
|
2588 |
case exp_ambiguous_tag :
|
|
|
2589 |
case exp_undeclared_tag : {
|
|
|
2590 |
IDENTIFIER id = DEREF_id ( exp_identifier_etc_id ( e ) ) ;
|
|
|
2591 |
if ( depends_on_id ( id, pids, use ) ) return ( 1 ) ;
|
|
|
2592 |
break ;
|
|
|
2593 |
}
|
|
|
2594 |
case exp_int_lit_tag : {
|
|
|
2595 |
NAT n = DEREF_nat ( exp_int_lit_nat ( e ) ) ;
|
|
|
2596 |
return ( depends_on_nat ( n, pids, use ) ) ;
|
|
|
2597 |
}
|
|
|
2598 |
case exp_paren_tag :
|
|
|
2599 |
case exp_copy_tag : {
|
|
|
2600 |
EXP a = DEREF_exp ( exp_paren_etc_arg ( e ) ) ;
|
|
|
2601 |
return ( depends_on_exp ( a, pids, use ) ) ;
|
|
|
2602 |
}
|
|
|
2603 |
case exp_assign_tag : {
|
|
|
2604 |
EXP a = DEREF_exp ( exp_assign_ref ( e ) ) ;
|
|
|
2605 |
EXP b = DEREF_exp ( exp_assign_arg ( e ) ) ;
|
|
|
2606 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2607 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2608 |
break ;
|
|
|
2609 |
}
|
|
|
2610 |
case exp_init_tag : {
|
|
|
2611 |
IDENTIFIER id = DEREF_id ( exp_init_id ( e ) ) ;
|
|
|
2612 |
EXP a = DEREF_exp ( exp_init_arg ( e ) ) ;
|
|
|
2613 |
if ( depends_on_id ( id, pids, use ) ) return ( 1 ) ;
|
|
|
2614 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2615 |
break ;
|
|
|
2616 |
}
|
|
|
2617 |
case exp_preinc_tag : {
|
|
|
2618 |
EXP a = DEREF_exp ( exp_preinc_op ( e ) ) ;
|
|
|
2619 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2620 |
break ;
|
|
|
2621 |
}
|
|
|
2622 |
case exp_postinc_tag : {
|
|
|
2623 |
EXP a = DEREF_exp ( exp_postinc_op ( e ) ) ;
|
|
|
2624 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2625 |
break ;
|
|
|
2626 |
}
|
|
|
2627 |
case exp_indir_tag : {
|
|
|
2628 |
EXP a = DEREF_exp ( exp_indir_ptr ( e ) ) ;
|
|
|
2629 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2630 |
break ;
|
|
|
2631 |
}
|
|
|
2632 |
case exp_contents_tag : {
|
|
|
2633 |
EXP a = DEREF_exp ( exp_contents_ptr ( e ) ) ;
|
|
|
2634 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2635 |
break ;
|
|
|
2636 |
}
|
|
|
2637 |
case exp_address_tag : {
|
|
|
2638 |
EXP a = DEREF_exp ( exp_address_arg ( e ) ) ;
|
|
|
2639 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2640 |
break ;
|
|
|
2641 |
}
|
|
|
2642 |
case exp_address_mem_tag : {
|
|
|
2643 |
EXP a = DEREF_exp ( exp_address_mem_arg ( e ) ) ;
|
|
|
2644 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2645 |
break ;
|
|
|
2646 |
}
|
|
|
2647 |
case exp_func_tag : {
|
|
|
2648 |
EXP a = DEREF_exp ( exp_func_fn ( e ) ) ;
|
|
|
2649 |
LIST ( EXP ) p = DEREF_list ( exp_func_args ( e ) ) ;
|
|
|
2650 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2651 |
if ( depends_on_exp_list ( p, pids, use ) ) return ( 1 ) ;
|
|
|
2652 |
break ;
|
|
|
2653 |
}
|
|
|
2654 |
case exp_func_id_tag : {
|
|
|
2655 |
IDENTIFIER id = DEREF_id ( exp_func_id_id ( e ) ) ;
|
|
|
2656 |
LIST ( EXP ) p = DEREF_list ( exp_func_id_args ( e ) ) ;
|
|
|
2657 |
if ( depends_on_id ( id, pids, use ) ) return ( 1 ) ;
|
|
|
2658 |
if ( depends_on_exp_list ( p, pids, use ) ) return ( 1 ) ;
|
|
|
2659 |
break ;
|
|
|
2660 |
}
|
|
|
2661 |
case exp_call_tag : {
|
|
|
2662 |
EXP a = DEREF_exp ( exp_call_ptr ( e ) ) ;
|
|
|
2663 |
EXP b = DEREF_exp ( exp_call_arg ( e ) ) ;
|
|
|
2664 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2665 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2666 |
break ;
|
|
|
2667 |
}
|
|
|
2668 |
case exp_negate_tag :
|
|
|
2669 |
case exp_compl_tag :
|
|
|
2670 |
case exp_not_tag :
|
|
|
2671 |
case exp_abs_tag : {
|
|
|
2672 |
EXP a = DEREF_exp ( exp_negate_etc_arg ( e ) ) ;
|
|
|
2673 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2674 |
break ;
|
|
|
2675 |
}
|
|
|
2676 |
case exp_plus_tag :
|
|
|
2677 |
case exp_minus_tag :
|
|
|
2678 |
case exp_mult_tag :
|
|
|
2679 |
case exp_div_tag :
|
|
|
2680 |
case exp_rem_tag :
|
|
|
2681 |
case exp_and_tag :
|
|
|
2682 |
case exp_or_tag :
|
|
|
2683 |
case exp_xor_tag :
|
|
|
2684 |
case exp_log_and_tag :
|
|
|
2685 |
case exp_log_or_tag :
|
|
|
2686 |
case exp_lshift_tag :
|
|
|
2687 |
case exp_rshift_tag :
|
|
|
2688 |
case exp_max_tag :
|
|
|
2689 |
case exp_min_tag : {
|
|
|
2690 |
EXP a = DEREF_exp ( exp_plus_etc_arg1 ( e ) ) ;
|
|
|
2691 |
EXP b = DEREF_exp ( exp_plus_etc_arg2 ( e ) ) ;
|
|
|
2692 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2693 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2694 |
break ;
|
|
|
2695 |
}
|
|
|
2696 |
case exp_test_tag : {
|
|
|
2697 |
EXP a = DEREF_exp ( exp_test_arg ( e ) ) ;
|
|
|
2698 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2699 |
break ;
|
|
|
2700 |
}
|
|
|
2701 |
case exp_compare_tag : {
|
|
|
2702 |
EXP a = DEREF_exp ( exp_compare_arg1 ( e ) ) ;
|
|
|
2703 |
EXP b = DEREF_exp ( exp_compare_arg2 ( e ) ) ;
|
|
|
2704 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2705 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2706 |
break ;
|
|
|
2707 |
}
|
|
|
2708 |
case exp_cast_tag : {
|
|
|
2709 |
EXP a = DEREF_exp ( exp_cast_arg ( e ) ) ;
|
|
|
2710 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2711 |
break ;
|
|
|
2712 |
}
|
|
|
2713 |
case exp_base_cast_tag : {
|
|
|
2714 |
EXP a = DEREF_exp ( exp_base_cast_arg ( e ) ) ;
|
|
|
2715 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2716 |
break ;
|
|
|
2717 |
}
|
|
|
2718 |
case exp_dyn_cast_tag : {
|
|
|
2719 |
EXP a = DEREF_exp ( exp_dyn_cast_arg ( e ) ) ;
|
|
|
2720 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2721 |
break ;
|
|
|
2722 |
}
|
|
|
2723 |
case exp_add_ptr_tag : {
|
|
|
2724 |
EXP a = DEREF_exp ( exp_add_ptr_ptr ( e ) ) ;
|
|
|
2725 |
OFFSET off = DEREF_off ( exp_add_ptr_off ( e ) ) ;
|
|
|
2726 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2727 |
if ( depends_on_off ( off, pids, use ) ) return ( 1 ) ;
|
|
|
2728 |
break ;
|
|
|
2729 |
}
|
|
|
2730 |
case exp_offset_size_tag : {
|
|
|
2731 |
OFFSET off = DEREF_off ( exp_offset_size_off ( e ) ) ;
|
|
|
2732 |
TYPE s = DEREF_type ( exp_offset_size_step ( e ) ) ;
|
|
|
2733 |
if ( depends_on_off ( off, pids, use ) ) return ( 1 ) ;
|
|
|
2734 |
if ( depends_on ( s, pids ) ) return ( 1 ) ;
|
|
|
2735 |
break ;
|
|
|
2736 |
}
|
|
|
2737 |
case exp_constr_tag : {
|
|
|
2738 |
EXP a = DEREF_exp ( exp_constr_call ( e ) ) ;
|
|
|
2739 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2740 |
break ;
|
|
|
2741 |
}
|
|
|
2742 |
case exp_destr_tag : {
|
|
|
2743 |
EXP a = DEREF_exp ( exp_destr_call ( e ) ) ;
|
|
|
2744 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2745 |
break ;
|
|
|
2746 |
}
|
|
|
2747 |
case exp_alloc_tag : {
|
|
|
2748 |
EXP a = DEREF_exp ( exp_alloc_call ( e ) ) ;
|
|
|
2749 |
EXP b = DEREF_exp ( exp_alloc_init ( e ) ) ;
|
|
|
2750 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2751 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2752 |
break ;
|
|
|
2753 |
}
|
|
|
2754 |
case exp_dealloc_tag : {
|
|
|
2755 |
EXP a = DEREF_exp ( exp_dealloc_term ( e ) ) ;
|
|
|
2756 |
EXP b = DEREF_exp ( exp_dealloc_call ( e ) ) ;
|
|
|
2757 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2758 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2759 |
break ;
|
|
|
2760 |
}
|
|
|
2761 |
case exp_rtti_tag : {
|
|
|
2762 |
EXP a = DEREF_exp ( exp_rtti_arg ( e ) ) ;
|
|
|
2763 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2764 |
break ;
|
|
|
2765 |
}
|
|
|
2766 |
case exp_rtti_type_tag : {
|
|
|
2767 |
TYPE s = DEREF_type ( exp_rtti_type_arg ( e ) ) ;
|
|
|
2768 |
if ( depends_on ( s, pids ) ) return ( 1 ) ;
|
|
|
2769 |
break ;
|
|
|
2770 |
}
|
|
|
2771 |
case exp_rtti_no_tag : {
|
|
|
2772 |
TYPE s = DEREF_type ( exp_rtti_no_arg ( e ) ) ;
|
|
|
2773 |
if ( depends_on ( s, pids ) ) return ( 1 ) ;
|
|
|
2774 |
break ;
|
|
|
2775 |
}
|
|
|
2776 |
case exp_dynamic_tag : {
|
|
|
2777 |
EXP a = DEREF_exp ( exp_dynamic_arg ( e ) ) ;
|
|
|
2778 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2779 |
break ;
|
|
|
2780 |
}
|
|
|
2781 |
case exp_aggregate_tag : {
|
|
|
2782 |
LIST ( EXP ) p = DEREF_list ( exp_aggregate_args ( e ) ) ;
|
|
|
2783 |
if ( depends_on_exp_list ( p, pids, use ) ) return ( 1 ) ;
|
|
|
2784 |
break ;
|
|
|
2785 |
}
|
|
|
2786 |
case exp_initialiser_tag : {
|
|
|
2787 |
LIST ( EXP ) p = DEREF_list ( exp_initialiser_args ( e ) ) ;
|
|
|
2788 |
if ( depends_on_exp_list ( p, pids, use ) ) return ( 1 ) ;
|
|
|
2789 |
break ;
|
|
|
2790 |
}
|
|
|
2791 |
case exp_nof_tag : {
|
|
|
2792 |
EXP a = DEREF_exp ( exp_nof_start ( e ) ) ;
|
|
|
2793 |
EXP b = DEREF_exp ( exp_nof_pad ( e ) ) ;
|
|
|
2794 |
EXP c = DEREF_exp ( exp_nof_end ( e ) ) ;
|
|
|
2795 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2796 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2797 |
if ( depends_on_exp ( c, pids, use ) ) return ( 1 ) ;
|
|
|
2798 |
break ;
|
|
|
2799 |
}
|
|
|
2800 |
case exp_comma_tag : {
|
|
|
2801 |
LIST ( EXP ) p = DEREF_list ( exp_comma_args ( e ) ) ;
|
|
|
2802 |
if ( depends_on_exp_list ( p, pids, use ) ) return ( 1 ) ;
|
|
|
2803 |
break ;
|
|
|
2804 |
}
|
|
|
2805 |
case exp_set_tag : {
|
|
|
2806 |
EXP a = DEREF_exp ( exp_set_arg ( e ) ) ;
|
|
|
2807 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2808 |
break ;
|
|
|
2809 |
}
|
|
|
2810 |
case exp_unused_tag : {
|
|
|
2811 |
EXP a = DEREF_exp ( exp_unused_arg ( e ) ) ;
|
|
|
2812 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2813 |
break ;
|
|
|
2814 |
}
|
|
|
2815 |
case exp_sequence_tag : {
|
|
|
2816 |
LIST ( EXP ) p = DEREF_list ( exp_sequence_first ( e ) ) ;
|
|
|
2817 |
if ( depends_on_exp_list ( p, pids, use ) ) return ( 1 ) ;
|
|
|
2818 |
break ;
|
|
|
2819 |
}
|
|
|
2820 |
case exp_if_stmt_tag : {
|
|
|
2821 |
EXP c = DEREF_exp ( exp_if_stmt_cond ( e ) ) ;
|
|
|
2822 |
EXP a = DEREF_exp ( exp_if_stmt_true_code ( e ) ) ;
|
|
|
2823 |
EXP b = DEREF_exp ( exp_if_stmt_false_code ( e ) ) ;
|
|
|
2824 |
if ( depends_on_exp ( c, pids, use ) ) return ( 1 ) ;
|
|
|
2825 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2826 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2827 |
break ;
|
|
|
2828 |
}
|
|
|
2829 |
case exp_try_block_tag : {
|
|
|
2830 |
EXP a = DEREF_exp ( exp_try_block_body ( e ) ) ;
|
|
|
2831 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2832 |
break ;
|
|
|
2833 |
}
|
|
|
2834 |
case exp_exception_tag : {
|
|
|
2835 |
EXP a = DEREF_exp ( exp_exception_arg ( e ) ) ;
|
|
|
2836 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2837 |
break ;
|
|
|
2838 |
}
|
|
|
2839 |
case exp_op_tag : {
|
|
|
2840 |
EXP a = DEREF_exp ( exp_op_arg1 ( e ) ) ;
|
|
|
2841 |
EXP b = DEREF_exp ( exp_op_arg2 ( e ) ) ;
|
|
|
2842 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2843 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2844 |
break ;
|
|
|
2845 |
}
|
|
|
2846 |
case exp_opn_tag : {
|
|
|
2847 |
LIST ( EXP ) p = DEREF_list ( exp_opn_args ( e ) ) ;
|
|
|
2848 |
if ( depends_on_exp_list ( p, pids, use ) ) return ( 1 ) ;
|
|
|
2849 |
break ;
|
|
|
2850 |
}
|
|
|
2851 |
case exp_location_tag : {
|
|
|
2852 |
EXP a = DEREF_exp ( exp_location_arg ( e ) ) ;
|
|
|
2853 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2854 |
break ;
|
|
|
2855 |
}
|
|
|
2856 |
case exp_dummy_tag : {
|
|
|
2857 |
EXP a = DEREF_exp ( exp_dummy_value ( e ) ) ;
|
|
|
2858 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2859 |
break ;
|
|
|
2860 |
}
|
|
|
2861 |
}
|
|
|
2862 |
}
|
|
|
2863 |
return ( 0 ) ;
|
|
|
2864 |
}
|
|
|
2865 |
|
|
|
2866 |
|
|
|
2867 |
/*
|
|
|
2868 |
DOES AN OFFSET DEPEND ON A TEMPLATE PARAMETER?
|
|
|
2869 |
|
|
|
2870 |
This routine checks whether the offset off depends on one of the
|
|
|
2871 |
template parameters pids.
|
|
|
2872 |
*/
|
|
|
2873 |
|
|
|
2874 |
int depends_on_off
|
|
|
2875 |
PROTO_N ( ( off, pids, use ) )
|
|
|
2876 |
PROTO_T ( OFFSET off X LIST ( IDENTIFIER ) pids X int use )
|
|
|
2877 |
{
|
|
|
2878 |
if ( !IS_NULL_off ( off ) ) {
|
|
|
2879 |
ASSERT ( ORDER_off == 13 ) ;
|
|
|
2880 |
switch ( TAG_off ( off ) ) {
|
|
|
2881 |
case off_zero_tag : {
|
|
|
2882 |
TYPE t = DEREF_type ( off_zero_type ( off ) ) ;
|
|
|
2883 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
2884 |
break ;
|
|
|
2885 |
}
|
|
|
2886 |
case off_type_tag : {
|
|
|
2887 |
TYPE t = DEREF_type ( off_type_type ( off ) ) ;
|
|
|
2888 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
2889 |
break ;
|
|
|
2890 |
}
|
|
|
2891 |
case off_array_tag : {
|
|
|
2892 |
TYPE t = DEREF_type ( off_array_type ( off ) ) ;
|
|
|
2893 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
2894 |
break ;
|
|
|
2895 |
}
|
|
|
2896 |
case off_extra_tag : {
|
|
|
2897 |
TYPE t = DEREF_type ( off_extra_type ( off ) ) ;
|
|
|
2898 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
2899 |
break ;
|
|
|
2900 |
}
|
|
|
2901 |
#if 0
|
|
|
2902 |
case off_base_tag : {
|
|
|
2903 |
GRAPH graph = DEREF_graph ( off_base_graph ( off ) ) ;
|
|
|
2904 |
break ;
|
|
|
2905 |
}
|
|
|
2906 |
case off_deriv_tag : {
|
|
|
2907 |
GRAPH graph = DEREF_graph ( off_deriv_graph ( off ) ) ;
|
|
|
2908 |
OFFSET direct = DEREF_off ( off_deriv_direct ( off ) ) ;
|
|
|
2909 |
OFFSET indirect = DEREF_off ( off_deriv_indirect ( off ) ) ;
|
|
|
2910 |
break ;
|
|
|
2911 |
}
|
|
|
2912 |
case off_member_tag : {
|
|
|
2913 |
IDENTIFIER id = DEREF_id ( off_member_id ( off ) ) ;
|
|
|
2914 |
break ;
|
|
|
2915 |
}
|
|
|
2916 |
#endif
|
|
|
2917 |
case off_ptr_mem_tag : {
|
|
|
2918 |
EXP a = DEREF_exp ( off_ptr_mem_arg ( off ) ) ;
|
|
|
2919 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2920 |
break ;
|
|
|
2921 |
}
|
|
|
2922 |
case off_negate_tag : {
|
|
|
2923 |
OFFSET a = DEREF_off ( off_negate_arg ( off ) ) ;
|
|
|
2924 |
if ( depends_on_off ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2925 |
break ;
|
|
|
2926 |
}
|
|
|
2927 |
case off_plus_tag : {
|
|
|
2928 |
OFFSET a = DEREF_off ( off_plus_arg1 ( off ) ) ;
|
|
|
2929 |
OFFSET b = DEREF_off ( off_plus_arg2 ( off ) ) ;
|
|
|
2930 |
if ( depends_on_off ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2931 |
if ( depends_on_off ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2932 |
break ;
|
|
|
2933 |
}
|
|
|
2934 |
case off_mult_tag : {
|
|
|
2935 |
OFFSET a = DEREF_off ( off_mult_arg1 ( off ) ) ;
|
|
|
2936 |
EXP b = DEREF_exp ( off_mult_arg2 ( off ) ) ;
|
|
|
2937 |
if ( depends_on_off ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2938 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2939 |
break ;
|
|
|
2940 |
}
|
|
|
2941 |
case off_ptr_diff_tag : {
|
|
|
2942 |
EXP a = DEREF_exp ( off_ptr_diff_ptr1 ( off ) ) ;
|
|
|
2943 |
EXP b = DEREF_exp ( off_ptr_diff_ptr2 ( off ) ) ;
|
|
|
2944 |
if ( depends_on_exp ( a, pids, use ) ) return ( 1 ) ;
|
|
|
2945 |
if ( depends_on_exp ( b, pids, use ) ) return ( 1 ) ;
|
|
|
2946 |
break ;
|
|
|
2947 |
}
|
|
|
2948 |
case off_token_tag : {
|
|
|
2949 |
IDENTIFIER tid = DEREF_id ( off_token_tok ( off ) ) ;
|
|
|
2950 |
LIST ( TOKEN ) args = DEREF_list ( off_token_args ( off ) ) ;
|
|
|
2951 |
if ( depends_on_param ( tid, pids ) ) return ( 2 ) ;
|
|
|
2952 |
if ( depends_on_args ( args, pids, use, 0 ) ) return ( 1 ) ;
|
|
|
2953 |
break ;
|
|
|
2954 |
}
|
|
|
2955 |
}
|
|
|
2956 |
}
|
|
|
2957 |
return ( 0 ) ;
|
|
|
2958 |
}
|
|
|
2959 |
|
|
|
2960 |
|
|
|
2961 |
/*
|
|
|
2962 |
DOES A TYPE DEPEND ON A TEMPLATE PARAMETER?
|
|
|
2963 |
|
|
|
2964 |
This routine checks whether the type t depends on one of the template
|
|
|
2965 |
parameters pids.
|
|
|
2966 |
*/
|
|
|
2967 |
|
|
|
2968 |
int depends_on
|
|
|
2969 |
PROTO_N ( ( t, pids ) )
|
|
|
2970 |
PROTO_T ( TYPE t X LIST ( IDENTIFIER ) pids )
|
|
|
2971 |
{
|
|
|
2972 |
if ( !IS_NULL_type ( t ) ) {
|
|
|
2973 |
ASSERT ( ORDER_type == 18 ) ;
|
|
|
2974 |
switch ( TAG_type ( t ) ) {
|
|
|
2975 |
case type_ptr_tag :
|
|
|
2976 |
case type_ref_tag : {
|
|
|
2977 |
TYPE s = DEREF_type ( type_ptr_etc_sub ( t ) ) ;
|
|
|
2978 |
return ( depends_on ( s, pids ) ) ;
|
|
|
2979 |
}
|
|
|
2980 |
case type_ptr_mem_tag : {
|
|
|
2981 |
TYPE s = DEREF_type ( type_ptr_mem_sub ( t ) ) ;
|
|
|
2982 |
CLASS_TYPE cr = DEREF_ctype ( type_ptr_mem_of ( t ) ) ;
|
|
|
2983 |
TYPE r = DEREF_type ( ctype_form ( cr ) ) ;
|
|
|
2984 |
if ( depends_on ( s, pids ) ) return ( 1 ) ;
|
|
|
2985 |
return ( depends_on ( r, pids ) ) ;
|
|
|
2986 |
}
|
|
|
2987 |
case type_func_tag : {
|
|
|
2988 |
TYPE r = DEREF_type ( type_func_ret ( t ) ) ;
|
|
|
2989 |
LIST ( TYPE ) p = DEREF_list ( type_func_mtypes ( t ) ) ;
|
|
|
2990 |
if ( depends_on ( r, pids ) ) return ( 1 ) ;
|
|
|
2991 |
while ( !IS_NULL_list ( p ) ) {
|
|
|
2992 |
TYPE s = DEREF_type ( HEAD_list ( p ) ) ;
|
|
|
2993 |
if ( depends_on ( s, pids ) ) return ( 1 ) ;
|
|
|
2994 |
p = TAIL_list ( p ) ;
|
|
|
2995 |
}
|
|
|
2996 |
break ;
|
|
|
2997 |
}
|
|
|
2998 |
case type_array_tag : {
|
|
|
2999 |
TYPE s = DEREF_type ( type_array_sub ( t ) ) ;
|
|
|
3000 |
NAT n = DEREF_nat ( type_array_size ( t ) ) ;
|
|
|
3001 |
if ( depends_on ( s, pids ) ) return ( 1 ) ;
|
|
|
3002 |
return ( depends_on_nat ( n, pids, 0 ) ) ;
|
|
|
3003 |
}
|
|
|
3004 |
case type_bitfield_tag : {
|
|
|
3005 |
INT_TYPE it = DEREF_itype ( type_bitfield_defn ( t ) ) ;
|
|
|
3006 |
TYPE s = DEREF_type ( itype_bitfield_sub ( it ) ) ;
|
|
|
3007 |
NAT n = DEREF_nat ( itype_bitfield_size ( it ) ) ;
|
|
|
3008 |
if ( depends_on ( s, pids ) ) return ( 1 ) ;
|
|
|
3009 |
return ( depends_on_nat ( n, pids, 0 ) ) ;
|
|
|
3010 |
}
|
|
|
3011 |
case type_compound_tag : {
|
|
|
3012 |
CLASS_TYPE cs = DEREF_ctype ( type_compound_defn ( t ) ) ;
|
|
|
3013 |
IDENTIFIER cid = DEREF_id ( ctype_name ( cs ) ) ;
|
|
|
3014 |
return ( depends_on_id ( cid, pids, 0 ) ) ;
|
|
|
3015 |
}
|
|
|
3016 |
case type_enumerate_tag : {
|
|
|
3017 |
ENUM_TYPE et = DEREF_etype ( type_enumerate_defn ( t ) ) ;
|
|
|
3018 |
IDENTIFIER eid = DEREF_id ( etype_name ( et ) ) ;
|
|
|
3019 |
return ( depends_on_id ( eid, pids, 0 ) ) ;
|
|
|
3020 |
}
|
|
|
3021 |
case type_token_tag : {
|
|
|
3022 |
IDENTIFIER tid = DEREF_id ( type_token_tok ( t ) ) ;
|
|
|
3023 |
LIST ( TOKEN ) args = DEREF_list ( type_token_args ( t ) ) ;
|
|
|
3024 |
if ( depends_on_param ( tid, pids ) ) return ( 1 ) ;
|
|
|
3025 |
if ( depends_on_args ( args, pids, 0, 0 ) ) return ( 1 ) ;
|
|
|
3026 |
if ( IS_id_token ( tid ) ) {
|
|
|
3027 |
TOKEN sort = DEREF_tok ( id_token_sort ( tid ) ) ;
|
|
|
3028 |
if ( IS_tok_type ( sort ) ) {
|
|
|
3029 |
BASE_TYPE bt ;
|
|
|
3030 |
bt = DEREF_btype ( tok_type_kind ( sort ) ) ;
|
|
|
3031 |
if ( bt & btype_typename ) {
|
|
|
3032 |
/* Allow for typename */
|
|
|
3033 |
return ( depends_on_id ( tid, pids, 0 ) ) ;
|
|
|
3034 |
}
|
|
|
3035 |
}
|
|
|
3036 |
}
|
|
|
3037 |
break ;
|
|
|
3038 |
}
|
|
|
3039 |
case type_templ_tag : {
|
|
|
3040 |
int dep ;
|
|
|
3041 |
LIST ( IDENTIFIER ) qids ;
|
|
|
3042 |
TYPE s = DEREF_type ( type_templ_defn ( t ) ) ;
|
|
|
3043 |
TOKEN sort = DEREF_tok ( type_templ_sort ( t ) ) ;
|
|
|
3044 |
qids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
3045 |
while ( !IS_NULL_list ( qids ) ) {
|
|
|
3046 |
/* Suppress template parameters */
|
|
|
3047 |
IDENTIFIER qid = DEREF_id ( HEAD_list ( qids ) ) ;
|
|
|
3048 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( qid ) ) ;
|
|
|
3049 |
ds |= dspec_ignore ;
|
|
|
3050 |
COPY_dspec ( id_storage ( qid ), ds ) ;
|
|
|
3051 |
qids = TAIL_list ( qids ) ;
|
|
|
3052 |
}
|
|
|
3053 |
dep = depends_on ( s, pids ) ;
|
|
|
3054 |
qids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
3055 |
while ( !IS_NULL_list ( qids ) ) {
|
|
|
3056 |
/* Restore template parameters */
|
|
|
3057 |
IDENTIFIER qid = DEREF_id ( HEAD_list ( qids ) ) ;
|
|
|
3058 |
DECL_SPEC ds = DEREF_dspec ( id_storage ( qid ) ) ;
|
|
|
3059 |
ds &= ~dspec_ignore ;
|
|
|
3060 |
COPY_dspec ( id_storage ( qid ), ds ) ;
|
|
|
3061 |
qids = TAIL_list ( qids ) ;
|
|
|
3062 |
}
|
|
|
3063 |
return ( dep ) ;
|
|
|
3064 |
}
|
|
|
3065 |
}
|
|
|
3066 |
}
|
|
|
3067 |
return ( 0 ) ;
|
|
|
3068 |
}
|
|
|
3069 |
|
|
|
3070 |
|
|
|
3071 |
/*
|
|
|
3072 |
DOES A FUNCTION CALL DEPEND ON A TEMPLATE PARAMETER?
|
|
|
3073 |
|
|
|
3074 |
This routine checks whether the function call 'id ( args )' depends
|
|
|
3075 |
on a template parameter.
|
|
|
3076 |
*/
|
|
|
3077 |
|
|
|
3078 |
int dependent_call
|
|
|
3079 |
PROTO_N ( ( id, args ) )
|
|
|
3080 |
PROTO_T ( IDENTIFIER id X LIST ( EXP ) args )
|
|
|
3081 |
{
|
|
|
3082 |
if ( in_template_decl ) {
|
|
|
3083 |
/* Only check in a template declaration */
|
|
|
3084 |
LIST ( IDENTIFIER ) pids = any_templ_param ;
|
|
|
3085 |
if ( depends_on_id ( id, pids, 0 ) ) return ( 1 ) ;
|
|
|
3086 |
if ( IS_id_function_etc ( id ) ) {
|
|
|
3087 |
while ( !IS_NULL_id ( id ) ) {
|
|
|
3088 |
TYPE t = DEREF_type ( id_function_etc_type ( id ) ) ;
|
|
|
3089 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
3090 |
id = DEREF_id ( id_function_etc_over ( id ) ) ;
|
|
|
3091 |
}
|
|
|
3092 |
}
|
|
|
3093 |
while ( !IS_NULL_list ( args ) ) {
|
|
|
3094 |
EXP a = DEREF_exp ( HEAD_list ( args ) ) ;
|
|
|
3095 |
if ( !IS_NULL_exp ( a ) ) {
|
|
|
3096 |
/* Check argument type */
|
|
|
3097 |
TYPE t = DEREF_type ( exp_type ( a ) ) ;
|
|
|
3098 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
3099 |
}
|
|
|
3100 |
args = TAIL_list ( args ) ;
|
|
|
3101 |
}
|
|
|
3102 |
}
|
|
|
3103 |
return ( 0 ) ;
|
|
|
3104 |
}
|
|
|
3105 |
|
|
|
3106 |
|
|
|
3107 |
/*
|
|
|
3108 |
DOES A FUNCTION CAST DEPEND ON A TEMPLATE PARAMETER?
|
|
|
3109 |
|
|
|
3110 |
This routine checks whether the resolution of the overloaded function
|
|
|
3111 |
id to the type t depends on a template parameter.
|
|
|
3112 |
*/
|
|
|
3113 |
|
|
|
3114 |
int dependent_cast
|
|
|
3115 |
PROTO_N ( ( id, t ) )
|
|
|
3116 |
PROTO_T ( IDENTIFIER id X TYPE t )
|
|
|
3117 |
{
|
|
|
3118 |
if ( in_template_decl ) {
|
|
|
3119 |
/* Only check in a template declaration */
|
|
|
3120 |
LIST ( IDENTIFIER ) pids = any_templ_param ;
|
|
|
3121 |
if ( depends_on_id ( id, pids, 0 ) ) return ( 1 ) ;
|
|
|
3122 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
3123 |
}
|
|
|
3124 |
return ( 0 ) ;
|
|
|
3125 |
}
|
|
|
3126 |
|
|
|
3127 |
|
|
|
3128 |
/*
|
|
|
3129 |
DOES A CONVERSION DEPEND ON A TEMPLATE PARAMETER?
|
|
|
3130 |
|
|
|
3131 |
This routine checks whether the conversion 't ( args )' depends
|
|
|
3132 |
on a template parameter.
|
|
|
3133 |
*/
|
|
|
3134 |
|
|
|
3135 |
int dependent_conv
|
|
|
3136 |
PROTO_N ( ( t, args ) )
|
|
|
3137 |
PROTO_T ( TYPE t X LIST ( EXP ) args )
|
|
|
3138 |
{
|
|
|
3139 |
if ( in_template_decl ) {
|
|
|
3140 |
/* Only check in a template declaration */
|
|
|
3141 |
LIST ( IDENTIFIER ) pids = any_templ_param ;
|
|
|
3142 |
if ( depends_on ( t, pids ) ) return ( 1 ) ;
|
|
|
3143 |
while ( !IS_NULL_list ( args ) ) {
|
|
|
3144 |
EXP a = DEREF_exp ( HEAD_list ( args ) ) ;
|
|
|
3145 |
if ( !IS_NULL_exp ( a ) ) {
|
|
|
3146 |
/* Check argument type */
|
|
|
3147 |
TYPE s = DEREF_type ( exp_type ( a ) ) ;
|
|
|
3148 |
if ( depends_on ( s, pids ) ) return ( 1 ) ;
|
|
|
3149 |
}
|
|
|
3150 |
args = TAIL_list ( args ) ;
|
|
|
3151 |
}
|
|
|
3152 |
}
|
|
|
3153 |
return ( 0 ) ;
|
|
|
3154 |
}
|
|
|
3155 |
|
|
|
3156 |
|
|
|
3157 |
/*
|
|
|
3158 |
DOES AN IDENTIFIER DEPEND ON A TEMPLATE PARAMETER?
|
|
|
3159 |
|
|
|
3160 |
This routine checks whether the identifier id depends on a template
|
|
|
3161 |
parameter.
|
|
|
3162 |
*/
|
|
|
3163 |
|
|
|
3164 |
int dependent_id
|
|
|
3165 |
PROTO_N ( ( id ) )
|
|
|
3166 |
PROTO_T ( IDENTIFIER id )
|
|
|
3167 |
{
|
|
|
3168 |
if ( in_template_decl ) {
|
|
|
3169 |
/* Only check in a template declaration */
|
|
|
3170 |
LIST ( IDENTIFIER ) pids = any_templ_param ;
|
|
|
3171 |
if ( depends_on_id ( id, pids, 0 ) ) return ( 1 ) ;
|
|
|
3172 |
}
|
|
|
3173 |
return ( 0 ) ;
|
|
|
3174 |
}
|
|
|
3175 |
|
|
|
3176 |
|
|
|
3177 |
/*
|
|
|
3178 |
MARK THE IDENTIFIERS IN AN EXPRESSION AS USED
|
|
|
3179 |
|
|
|
3180 |
This routine marks all the identifiers in the expression e as having
|
|
|
3181 |
been used. This routine is combined with the depends_on functions
|
|
|
3182 |
only because they happen to give a convenient tree-walking skeleton.
|
|
|
3183 |
*/
|
|
|
3184 |
|
|
|
3185 |
void mark_used
|
|
|
3186 |
PROTO_N ( ( e ) )
|
|
|
3187 |
PROTO_T ( EXP e )
|
|
|
3188 |
{
|
|
|
3189 |
if ( !suppress_usage ) {
|
|
|
3190 |
IGNORE depends_on_exp ( e, NULL_list ( IDENTIFIER ), 1 ) ;
|
|
|
3191 |
}
|
|
|
3192 |
return ;
|
|
|
3193 |
}
|
|
|
3194 |
|
|
|
3195 |
|
|
|
3196 |
/*
|
|
|
3197 |
FIND AN INJECTED TYPE
|
|
|
3198 |
|
|
|
3199 |
This routine modifies the type t which is injected from a template
|
|
|
3200 |
into an enclosing scope (for example, a friend of a template class)
|
|
|
3201 |
by qualifying it by copies of any unbound template qualifiers.
|
|
|
3202 |
*/
|
|
|
3203 |
|
|
|
3204 |
TYPE injected_type
|
|
|
3205 |
PROTO_N ( ( t, rec ) )
|
|
|
3206 |
PROTO_T ( TYPE t X int rec )
|
|
|
3207 |
{
|
|
|
3208 |
IDENTIFIER pid = NULL_id ;
|
|
|
3209 |
LIST ( NAMESPACE ) lns = LIST_stack ( namespace_stack ) ;
|
|
|
3210 |
while ( !IS_NULL_list ( lns ) ) {
|
|
|
3211 |
NAMESPACE ns = DEREF_nspace ( HEAD_list ( lns ) ) ;
|
|
|
3212 |
IDENTIFIER id = DEREF_id ( nspace_name ( ns ) ) ;
|
|
|
3213 |
if ( !IS_NULL_id ( id ) ) {
|
|
|
3214 |
if ( !EQ_id ( id, pid ) ) {
|
|
|
3215 |
TYPE s = NULL_type ;
|
|
|
3216 |
switch ( TAG_id ( id ) ) {
|
|
|
3217 |
case id_class_name_tag :
|
|
|
3218 |
case id_class_alias_tag : {
|
|
|
3219 |
s = DEREF_type ( id_class_name_etc_defn ( id ) ) ;
|
|
|
3220 |
break ;
|
|
|
3221 |
}
|
|
|
3222 |
case id_function_tag :
|
|
|
3223 |
case id_mem_func_tag :
|
|
|
3224 |
case id_stat_mem_func_tag : {
|
|
|
3225 |
s = DEREF_type ( id_function_etc_type ( id ) ) ;
|
|
|
3226 |
break ;
|
|
|
3227 |
}
|
|
|
3228 |
}
|
|
|
3229 |
if ( !IS_NULL_type ( s ) && IS_type_templ ( s ) ) {
|
|
|
3230 |
LIST ( IDENTIFIER ) pids ;
|
|
|
3231 |
TOKEN sort = DEREF_tok ( type_templ_sort ( s ) ) ;
|
|
|
3232 |
pids = DEREF_list ( tok_templ_pids ( sort ) ) ;
|
|
|
3233 |
if ( depends_on ( t, pids ) ) {
|
|
|
3234 |
t = rename_templ_params ( sort, t, rec ) ;
|
|
|
3235 |
}
|
|
|
3236 |
}
|
|
|
3237 |
pid = id ;
|
|
|
3238 |
}
|
|
|
3239 |
}
|
|
|
3240 |
lns = TAIL_list ( lns ) ;
|
|
|
3241 |
}
|
|
|
3242 |
return ( t ) ;
|
|
|
3243 |
}
|
|
|
3244 |
|
|
|
3245 |
|
|
|
3246 |
/*
|
|
|
3247 |
DUMMY TEMPLATE PARAMETER TYPE
|
|
|
3248 |
|
|
|
3249 |
This variable gives a dummy template parameter type which allows the
|
|
|
3250 |
propagation of types dependent in some non-obvious fashion on some
|
|
|
3251 |
template parameter.
|
|
|
3252 |
*/
|
|
|
3253 |
|
|
|
3254 |
TYPE type_templ_param ;
|
|
|
3255 |
|
|
|
3256 |
|
|
|
3257 |
/*
|
|
|
3258 |
INITIALISE TEMPLATE ROUTINES
|
|
|
3259 |
|
|
|
3260 |
This routine initialises the template routines. In particular it
|
|
|
3261 |
initialises the dummy template parameter type.
|
|
|
3262 |
*/
|
|
|
3263 |
|
|
|
3264 |
void init_templates
|
|
|
3265 |
PROTO_Z ()
|
|
|
3266 |
{
|
|
|
3267 |
string s = ustrlit ( "<type>" ) ;
|
|
|
3268 |
unsigned long h = hash ( s ) ;
|
|
|
3269 |
HASHID nm = lookup_name ( s, h, 0, lex_identifier ) ;
|
|
|
3270 |
IDENTIFIER id = DEREF_id ( hashid_id ( nm ) ) ;
|
|
|
3271 |
LIST ( TOKEN ) args = NULL_list ( TOKEN ) ;
|
|
|
3272 |
TYPE t = make_dummy_type ( crt_namespace, id, btype_template, args ) ;
|
|
|
3273 |
type_templ_param = t ;
|
|
|
3274 |
CONS_id ( NULL_id, NULL_list ( IDENTIFIER ), any_templ_param ) ;
|
|
|
3275 |
CONS_id ( NULL_id, NULL_list ( IDENTIFIER ), any_token_param ) ;
|
|
|
3276 |
return ;
|
|
|
3277 |
}
|