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/*
Crown Copyright (c) 1997
This TenDRA(r) Computer Program is subject to Copyright
owned by the United Kingdom Secretary of State for Defence
acting through the Defence Evaluation and Research Agency
(DERA). It is made available to Recipients with a
royalty-free licence for its use, reproduction, transfer
to other parties and amendment for any purpose not excluding
product development provided that any such use et cetera
shall be deemed to be acceptance of the following conditions:-
(1) Its Recipients shall ensure that this Notice is
reproduced upon any copies or amended versions of it;
(2) Any amended version of it shall be clearly marked to
show both the nature of and the organisation responsible
for the relevant amendment or amendments;
(3) Its onward transfer from a recipient to another
party shall be deemed to be that party's acceptance of
these conditions;
(4) DERA gives no warranty or assurance as to its
quality or suitability for any purpose and DERA accepts
no liability whatsoever in relation to any use to which
it may be put.
*/
#include "config.h"
#include "calculus.h"
#include "code.h"
#include "common.h"
#include "output.h"
#include "print.h"
#include "suffix.h"
#include "type_ops.h"
/*
PRINT A PRIMITIVE PRINTING ROUTINE
This routine prints the body of the printing routine for the current
primitive.
*/
static void printer_prim
PROTO_Z ()
{
output ( " print_indent ( f_, d_ ) ;\n" ) ;
output ( " ( void ) fprintf ( f_, \"%%s = \", nm_ ) ;\n" ) ;
output ( " OUTPUT_%PM ( f_, x_ ) ;\n" ) ;
output ( " ( void ) fprintf ( f_, \" ;\\n\" ) ;\n" ) ;
return ;
}
/*
PRINT AN ENUMERATION PRINTING ROUTINE
This routine prints the body of the printing routine for the current
enumeration.
*/
static void printer_enum
PROTO_Z ()
{
output ( " print_indent ( f_, d_ ) ;\n" ) ;
output ( " ( void ) fprintf ( f_, \"%%s = \", nm_ ) ;\n" ) ;
output ( " switch ( x_ ) {\n" ) ;
LOOP_ENUM_CONST {
output ( "\tcase %EM_%ES : {\n" ) ;
output ( "\t ( void ) fprintf ( f_, \"%ES ;\\n\" ) ;\n" ) ;
output ( "\t break ;\n" ) ;
output ( "\t}\n" ) ;
}
output ( "\tdefault : {\n" ) ;
output ( "\t ( void ) fprintf ( f_, \"%%lu ;\\n\"," ) ;
output ( " ( unsigned long ) x_ ) ;\n" ) ;
output ( "\t break ;\n" ) ;
output ( "\t}\n" ) ;
output ( " }\n" ) ;
return ;
}
/*
PRINT A STRUCTURE PRINTING ROUTINE
This routine prints the body of the printing routine for the current
structure.
*/
static void printer_struct
PROTO_Z ()
{
output ( " print_indent ( f_, d_ ) ;\n" ) ;
output ( " ( void ) fprintf ( f_, \"%%s = {\\n\", nm_ ) ;\n" ) ;
LOOP_STRUCTURE_COMPONENT {
TYPE_P t = DEREF_ptr ( cmp_type ( CRT_COMPONENT ) ) ;
output ( " PRINT_%TI ( f_, x_.%CN, \"%CN\", d_ + 1 ) ;\n", t ) ;
}
output ( " print_indent ( f_, d_ ) ;\n" ) ;
output ( " ( void ) fprintf ( f_, \"}\\n\" ) ;\n" ) ;
return ;
}
/*
PRINT A UNION COMPONENT PRINTING ROUTINE
This routine prints the code for printing a component of a union.
The argument d gives the token for accessing the component.
*/
static void printer_component
PROTO_N ( ( d ) )
PROTO_T ( char *d )
{
TYPE_P t = DEREF_ptr ( cmp_type ( CRT_COMPONENT ) ) ;
output ( "\t\t{\n" ) ;
output ( "\t\t %TT z_ ;\n", t ) ;
output ( "\t\t " ) ;
print_deref ( t, d, "z_" ) ;
output ( "\t\t PRINT_%TI ( f_, z_, \"%CN\", d_ + 1 ) ;\n", t ) ;
output ( "\t\t}\n" ) ;
return ;
}
/*
PRINT A UNION PRINTING ROUTINE
This routine prints the body of the printing routine for the current
primitive.
*/
static void printer_union
PROTO_Z ()
{
output ( " print_indent ( f_, d_ ) ;\n" ) ;
output ( " if ( IS_NULL_%UM ( x_ ) ) {\n" ) ;
output ( "\t( void ) fprintf ( f_, \"%%s = NULL_%UM ;\\n\", nm_ ) ;\n" ) ;
output ( " } else {\n" ) ;
output ( "\tswitch ( TAG_%UM ( x_ ) ) {\n" ) ;
LOOP_UNION_FIELD {
int al = DEREF_int ( fld_flag ( CRT_FIELD ) ) ;
output ( "\t case %UM_%FN_tag : {\n" ) ;
if ( al ) {
output ( "\t\tunsigned alias_ = GET_ALIAS_%UM_%FN ( x_ ) ;\n" ) ;
output ( "\t\tif ( alias_ ) {\n" ) ;
output ( "\t\t ( void ) fprintf ( f_, \"%%s = " ) ;
output ( "[%%u] ;\\n\", nm_, alias_ ) ;\n" ) ;
output ( "\t\t break ;\n" ) ;
output ( "\t\t}\n" ) ;
output ( "\t\talias_ = ++crt_%X_alias ;\n" ) ;
output ( "\t\tSET_ALIAS_%UM_%FN ( x_, alias_ ) ;\n" ) ;
output ( "\t\t( void ) fprintf ( f_, \"%%s = [%%u] = {\\n\", " ) ;
output ( "nm_, alias_ ) ;\n" ) ;
} else {
output ( "\t\t( void ) fprintf ( f_, \"%%s = {\\n\", nm_ ) ;\n" ) ;
}
output ( "\t\tprint_indent ( f_, d_ + 1 ) ;\n" ) ;
output ( "\t\t( void ) fprintf ( f_, \"(tag) = %FN ;\\n\" ) ;\n" ) ;
LOOP_UNION_COMPONENT printer_component ( "%UM_%CN ( x_ )" ) ;
LOOP_FIELD_COMPONENT printer_component ( "%UM_%FN_%CN ( x_ )" ) ;
output ( "\t\tprint_indent ( f_, d_ ) ;\n" ) ;
output ( "\t\t( void ) fprintf ( f_, \"}\\n\" ) ;\n" ) ;
output ( "\t\tbreak ;\n" ) ;
output ( "\t }\n" ) ;
}
output ( "\t default : {\n" ) ;
output ( "\t\t( void ) fprintf ( f_, \"%%s = ERROR!\\n\", nm_ ) ;\n" ) ;
output ( "\t\tbreak ;\n" ) ;
output ( "\t }\n" ) ;
output ( "\t}\n" ) ;
output ( " }\n" ) ;
return ;
}
/*
PRINT A POINTER PRINTING ROUTINE
This routine prints the body of the printing routine for a pointer
to s.
*/
static void printer_ptr
PROTO_N ( ( s, ptr, nm, i ) )
PROTO_T ( TYPE_P s X char *ptr X char *nm X char *i )
{
output ( "%s print_indent ( f_, d_ ) ;\n", i ) ;
output ( "%s if ( IS_NULL_ptr ( %s ) ) {\n", i, nm ) ;
output ( "%s\t( void ) fprintf ( f_, ", i ) ;
output ( "\"%%s = NULL_ptr ;\\n\", nm_ ) ;\n" ) ;
output ( "%s } else if ( d_ < print_ptr_depth ) {\n", i ) ;
output ( "%s\t%TT z_ ;\n", i, s ) ;
output ( "%s\t", i ) ;
print_deref ( s, nm, "z_" ) ;
output ( "%s\t( void ) fprintf ( f_, ", i ) ;
output ( "\"%%s = %s {\\n\", nm_ ) ;\n", ptr ) ;
output ( "%s\tPRINT_%TI ( f_, z_, \"(%TI)\", d_ + 1 ) ;\n", i, s, s ) ;
output ( "%s\tprint_indent ( f_, d_ ) ;\n", i ) ;
output ( "%s\t( void ) fprintf ( f_, \"}\\n\" ) ;\n", i ) ;
output ( "%s } else {\n", i ) ;
output ( "%s\t( void ) fprintf ( f_, \"%%s = ", i ) ;
output ( "0x%%p ;\\n\", nm_, VOIDSTAR_ptr ( %s ) ) ;\n", nm ) ;
output ( "%s }\n", i ) ;
return ;
}
/*
PRINT A LIST PRINTING ROUTINE
This routine prints the body of the printing routine for a list
of s named nm.
*/
static void printer_list
PROTO_N ( ( s, nm ) )
PROTO_T ( TYPE_P s X char *nm )
{
output ( " print_indent ( f_, d_ ) ;\n" ) ;
output ( " ( void ) fprintf ( f_, \"%%s = LIST {\\n\", nm_ ) ;\n" ) ;
output ( " while ( !IS_NULL_list ( %s ) ) {\n", nm ) ;
output ( "\t%TT z_ ;\n", s ) ;
output ( "\tUN_CONS_%TM ( z_, %s, %s ) ;\n", s, nm, nm ) ;
output ( "\tPRINT_%TI ( f_, z_, \"(%TI)\", d_ + 1 ) ;\n", s, s ) ;
output ( "\tif ( !print_list_expand && !IS_NULL_list ( %s ) ) {\n", nm ) ;
output ( "\t print_indent ( f_, d_ + 1 ) ;\n" ) ;
output ( "\t ( void ) fprintf ( f_, \"(tail) = " ) ;
output ( "0x%%p ;\\n\", VOIDSTAR_list ( %s ) ) ;\n", nm ) ;
output ( "\t break ;\n" ) ;
output ( "\t}\n" ) ;
output ( " }\n" ) ;
output ( " print_indent ( f_, d_ ) ;\n" ) ;
output ( " ( void ) fprintf ( f_, \"}\\n\" ) ;\n" ) ;
return ;
}
/*
PRINT A VECTOR PRINTING ROUTINE
This routine prints the body of the printing routine for a vector
of s.
*/
static void printer_vec
PROTO_N ( ( s ) )
PROTO_T ( TYPE_P s )
{
output ( " print_indent ( f_, d_ ) ;\n" ) ;
output ( " {\n" ) ;
output ( "\t%X_dim n = DIM_vec ( x_ ) ;\n" ) ;
output ( "\tPTR ( %TT ) y_ = PTR_vec_ptr ( VEC_PTR_vec ( x_ ) ) ;\n", s ) ;
output ( "\t( void ) fprintf ( f_, \"%%s = {\\n\", nm_ ) ;\n" ) ;
output ( "\twhile ( n-- ) {\n" ) ;
printer_ptr ( s, "VEC", "y_", "\t" ) ;
output ( "\t y_ = STEP_ptr ( y_, SIZE_%TM ) ;\n", s ) ;
output ( "\t}\n" ) ;
output ( "\tprint_indent ( f_, d_ ) ;\n" ) ;
output ( "\t( void ) fprintf ( f_, \"}\\n\" ) ;\n" ) ;
output ( " }\n" ) ;
return ;
}
/*
PRINT A VECTOR POINTER PRINTING ROUTINE
This routine prints the body of the printing routine for a vector
pointer to s.
*/
static void printer_vec_ptr
PROTO_N ( ( s ) )
PROTO_T ( TYPE_P s )
{
output ( " PTR ( %TT ) y_ = PTR_vec_ptr ( x_ ) ;\n", s ) ;
printer_ptr ( s, "VEC_PTR", "y_", "" ) ;
return ;
}
/*
PRINT ALL PRINTING ROUTINES
This routine prints all the printing routines.
*/
void print_action
PROTO_N ( ( dir ) )
PROTO_T ( char *dir )
{
open_file ( dir, PRINT_PREFIX, DEF_SUFFIX ) ;
print_include () ;
comment ( "Printing function declarations" ) ;
LOOP_TYPE {
TYPE_P t = CRT_TYPE ;
if ( is_identity_type ( t ) ) {
output ( "#ifndef PRINT_%TI\n", t ) ;
output ( "#define PRINT_%TI( A, B, C, D ) ", t ) ;
output ( "PRINT_%TJ ( ( A ), ( B ), ( C ), ( D ) )\n", t ) ;
output ( "#endif\n\n" ) ;
} else {
output ( "#ifndef PRINT_%TI\n", t ) ;
output ( "static void PRINT_%TI ", t ) ;
output ( "PROTO_S ( ( FILE *, %TT, char *, int ) ) ;\n", t ) ;
output ( "#endif\n\n" ) ;
}
}
output ( "\n\n" ) ;
comment ( "Printing variables" ) ;
output ( "static int print_indent_step = 4 ;\n" ) ;
output ( "static int print_ptr_depth = 1 ;\n" ) ;
output ( "static int print_list_expand = 0 ;\n\n\n" ) ;
comment ( "Printing indentation routine" ) ;
output ( "static void print_indent\n" ) ;
output ( " PROTO_N ( ( f, d ) )\n" ) ;
output ( " PROTO_T ( FILE *f X int d )\n" ) ;
output ( "{\n" ) ;
output ( " int i = print_indent_step * d ;\n" ) ;
output ( " while ( i-- ) ( void ) fputc ( ' ', f ) ;\n" ) ;
output ( " return ;\n" ) ;
output ( "}\n\n\n" ) ;
/* Function definitions */
LOOP_TYPE {
TYPE_P t = CRT_TYPE ;
TYPE t0 = DEREF_type ( t ) ;
unsigned tag = TAG_type ( t0 ) ;
if ( !is_identity_type ( t ) ) {
/* Function header */
int is_struct = 0 ;
output ( "/* Printing routines for %TT */\n\n", t ) ;
output ( "#ifndef PRINT_%TI\n\n", t ) ;
output ( "static void PRINT_%TI\n", t ) ;
output ( " PROTO_N ( ( f_, x_, nm_, d_ ) )\n" ) ;
output ( " PROTO_T ( FILE *f_ X %TT x_ X", t ) ;
output ( " char *nm_ X int d_ )\n" ) ;
output ( "{\n" ) ;
/* Function body */
switch ( tag ) {
case type_primitive_tag : {
PRIMITIVE_P p = DEREF_ptr ( type_primitive_prim ( t0 ) ) ;
LOOP_PRIMITIVE {
if ( EQ_ptr ( CRT_PRIMITIVE, p ) ) {
printer_prim () ;
break ;
}
}
break ;
}
case type_enumeration_tag : {
ENUM_P p = DEREF_ptr ( type_enumeration_en ( t0 ) ) ;
LOOP_ENUM {
if ( EQ_ptr ( CRT_ENUM, p ) ) {
printer_enum () ;
break ;
}
}
break ;
}
case type_structure_tag : {
STRUCTURE_P p = DEREF_ptr ( type_structure_struc ( t0 ) ) ;
LOOP_STRUCTURE {
if ( EQ_ptr ( CRT_STRUCTURE, p ) ) {
printer_struct () ;
break ;
}
}
is_struct = 1 ;
break ;
}
case type_onion_tag : {
UNION_P p = DEREF_ptr ( type_onion_un ( t0 ) ) ;
LOOP_UNION {
if ( EQ_ptr ( CRT_UNION, p ) ) {
printer_union () ;
break ;
}
}
break ;
}
case type_ptr_tag : {
TYPE_P s = DEREF_ptr ( type_ptr_sub ( t0 ) ) ;
printer_ptr ( s, "PTR", "x_", "" ) ;
break ;
}
case type_list_tag : {
TYPE_P s = DEREF_ptr ( type_list_sub ( t0 ) ) ;
printer_list ( s, "x_" ) ;
break ;
}
case type_stack_tag : {
TYPE_P s = DEREF_ptr ( type_stack_sub ( t0 ) ) ;
output ( " LIST ( %TT ) y_ = LIST_stack ( x_ ) ;\n", s ) ;
printer_list ( s, "y_" ) ;
break ;
}
case type_vec_tag : {
TYPE_P s = DEREF_ptr ( type_vec_sub ( t0 ) ) ;
printer_vec ( s ) ;
is_struct = 1 ;
break ;
}
case type_vec_ptr_tag : {
TYPE_P s = DEREF_ptr ( type_vec_ptr_sub ( t0 ) ) ;
printer_vec_ptr ( s ) ;
is_struct = 1 ;
break ;
}
}
/* Function trailer */
output ( " return ;\n" ) ;
output ( "}\n\n" ) ;
/* Debugging routine */
if ( extra_asserts ) {
char *star = ( is_struct ? "*" : "" ) ;
output ( "#ifdef DEBUG\n\n" ) ;
output ( "void DEBUG_%TI\n", t ) ;
output ( " PROTO_N ( ( x_ ) )\n" ) ;
output ( " PROTO_T ( %TT %sx_ )\n", t, star ) ;
output ( "{\n " ) ;
if ( is_struct ) output ( "if ( x_ ) " ) ;
output ( "PRINT_%TI ( stdout, %sx_, ", t, star ) ;
output ( "\"%TI\", 0 ) ;\n", t ) ;
output ( " return ;\n" ) ;
output ( "}\n\n" ) ;
output ( "#endif\n\n" ) ;
}
output ( "#endif\n\n\n" ) ;
}
}
close_file () ;
return ;
}