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POOLE-CP.ARC
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CPFUNCTS.C
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1989-11-21
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18KB
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623 lines
/**********************************************************************
cpfuncts.c
void near build_box_parts( int );
void near tab_to_left_margin( FILE * );
static void near stop( void );
static void near setpage( data_base_record_type * );
static int near recursion_check( char *, int );
void near check_for_new_page( void );
static void near draw_output_block( char *, char *, char *,
char *, int, int, int, int );
int near doprint( int );
void near scan_for_static_or_global( int *, int, char *, char * );
int near binary_search_sorted_data_base( char * );
***********************************************************************/
#define MAIN 0
#include "cpheader.h"
static char
*top_line_of_box, *bottom_line_of_box,
wall, ibm_line, bottom_attach,
upper_left_corner, lower_left_corner,
upper_right_corner, lower_right_corner,
left_attach, right_attach;
static char *recursion_filename, *test_filename;
static int static_recursion;
#if VMS
int binary_search_sorted_data_base( char * );
void build_box_parts( int );
void check_for_new_page( void );
int doprint( int );
void scan_for_static_or_global( int *, int, char *, char * );
void tab_to_left_margin( FILE * );
static void draw_output_block( char *, char *, char *,
char *, int, int, int, int );
static int recursion_check( char *, int );
static void stop( void );
static void setpage( data_base_record_type * );
#endif
#if MSDOS
int near binary_search_sorted_data_base( char * );
void near build_box_parts( int );
void near check_for_new_page( void );
int near doprint( int );
void near scan_for_static_or_global( int *, int, char *, char * );
void near tab_to_left_margin( FILE * );
static void near draw_output_block( char *, char *, char *,
char *, int, int, int, int );
static int near recursion_check( char *, int );
static void near stop( void );
static void near setpage( data_base_record_type * );
#endif
/************************************************************************/
#if MSDOS
void near build_box_parts( is_ibm )
#else
void build_box_parts( is_ibm )
#endif
int is_ibm;
{
int i;
if( is_ibm )
{
wall = '\xb3';
ibm_line = '\xc4';
bottom_attach = '\xc2';
upper_left_corner = '\xda';
lower_left_corner = '\xc0';
upper_right_corner = '\xbf';
lower_right_corner = '\xd9';
left_attach = '\xb4';
right_attach = '\xc3';
}
else
{
wall = '|';
ibm_line = '-';
bottom_attach = '+';
upper_left_corner = '+';
lower_left_corner = '+';
upper_right_corner = '+';
lower_right_corner = '+';
left_attach = '+';
right_attach = '+';
}
if( !( top_line_of_box =(char *)malloc( defined_box_width * sizeof(char) ))
)
{
(void)fprintf( stderr, "Ran out of memory for top line of box.\n" );
exit( 1 );
}
if( !( bottom_line_of_box =(char *)malloc( defined_box_width * sizeof(char) ))
)
{
(void)fprintf( stderr, "Ran out of memory for bottom line of box.\n" );
exit( 1 );
}
top_line_of_box[ 0 ] = upper_left_corner;
bottom_line_of_box[ 0 ] = lower_left_corner;
for( i = 1; i <= (defined_box_width - 3); ++i )
{
top_line_of_box[ i ] = ibm_line;
bottom_line_of_box[ i ] = ibm_line;
}
top_line_of_box[ i ] = upper_right_corner;
bottom_line_of_box[ i ] = lower_right_corner;
top_line_of_box[ ++i ] = '\0';
bottom_line_of_box[ i ] = '\0';
}
/**********************************************************************/
#if MSDOS
void near tab_to_left_margin( output )
#else
void tab_to_left_margin( output )
#endif
FILE *output;
{
register int i;
for( i = 0; i < defined_left_margin; ++i )
(void)fputc( ' ', output );
}
/**********************************************************************/
#if MSDOS
static void near stop()
#else
static void stop()
#endif
{
(void)printf( "hello" );
}
/**********************************************************************/
#if MSDOS
static void near setpage( data_base_ptr )
#else
static void setpage( data_base_ptr )
#endif
data_base_record_type *data_base_ptr;
{
linked_pages_list *page_list_ptr;
page_list_ptr = data_base_ptr->ptr_to_page_list;
if( page_list_ptr == NULL )
{
if(
!( page_list_ptr =
(linked_pages_list *)malloc( sizeof( linked_pages_list ) )
)
)
{
(void)fprintf( stderr, "Ran out of memory for page # list.\n" );
exit( 1 );
}
data_base_ptr->ptr_to_page_list = page_list_ptr;
}
else
{
while( page_list_ptr->next_page_ptr )
page_list_ptr = page_list_ptr->next_page_ptr;
if(
!( page_list_ptr->next_page_ptr =
(linked_pages_list *)malloc( sizeof( linked_pages_list ) )
)
)
{
(void)fprintf( stderr, "Ran out of memory for page # list.\n" );
exit( 1 );
}
page_list_ptr = page_list_ptr->next_page_ptr;
}
page_list_ptr->next_page_ptr = NULL;
page_list_ptr->on_this_page = page - 1;
}
/*********************************************************************/
#if MSDOS
static int near recursion_check( string, static_call )
#else
static int recursion_check( string, static_call )
#endif
char *string;
int static_call;
{
register char **recursion_array_ptr;
recursion_array_ptr = recursion_array;
if( static_recursion )
{ /* defined function is static */
while(
*recursion_array_ptr && /* not null */
/* and different function names */
( strcmp( *recursion_array_ptr, string ) ||
/* or same function names and */
/* in different files */
strcmp( test_filename, recursion_filename )
)
)
++recursion_array_ptr;
}
else
{ /* defined function is not static */
while(
*recursion_array_ptr && /* not null & */
/* and different function names */
( strcmp( *recursion_array_ptr, string ) ||
/* or same function names and */
static_call /* called is static */
)
)
++recursion_array_ptr;
}
return ( *recursion_array_ptr )? true: false;
}
/**********************************************************************/
#if MSDOS
void near check_for_new_page()
#else
void check_for_new_page()
#endif
{
int i;
if( defined_page_length == 0 && line == 9999 )
{
(void)fprintf( output, "\n\n\n\n" );
line = 0;
}
else
{
if( defined_page_length != 0 )
{
if( line > ( defined_page_length - 5 ) )
{
(void)fprintf( output, "\f" );
line = 0;
}
if( line == 0 )
{
top_of_form_done = true;
tab_to_left_margin( output );
(void)fprintf( output, "%s", title );
for( i = strlen( title ); i < ( effective_width - 10 ); ++i )
(void)fputc( ' ', output );
(void)fprintf( output, "Page:%4d\n", page );
tab_to_left_margin( output );
for( i = 0; i < effective_width; ++i )
(void)fputc( '_', output );
(void)fprintf( output, "\n\n" );
line = 3;
++page;
}
}
}
}
/**********************************************************************/
#if MSDOS
static void near draw_output_block( lead_in_string,
name_of_function,
name_of_file,
description,
either_count,
tail_flag,
kill_flag,
ov_num
)
#else
static void draw_output_block( lead_in_string,
name_of_function,
name_of_file,
description,
either_count,
tail_flag,
kill_flag,
ov_num
)
#endif
char *lead_in_string,
*name_of_function,
*description,
*name_of_file;
int either_count, tail_flag, kill_flag, ov_num;
{
unsigned int string_length;
int x;
static char alternate_lead_in[ 140 ];
/******* 1st line *****************************************************/
tab_to_left_margin( output );
(void)fprintf( output, "%s %s\n", lead_in_string, top_line_of_box );
/******* 2nd line ******************************************************/
tab_to_left_margin( output );
string_length = strlen( lead_in_string );
if( string_length ) /******* ie not main or defined function box ***/
{
(void)strncpy( alternate_lead_in, lead_in_string, --string_length );
alternate_lead_in[ string_length++ ] = '\0'; /*restore string_length*/
}
if( string_length ) /******* ie not main or defined function box ***/
{
if( g_ov_flag && ov_num )
{
(void)fprintf( output, "%s%c%c%c%s %3d",
alternate_lead_in,
/*** if( kill_flag ) /****** last line to this box ******************/
/*** else /****** line continues downwards ***************/
( kill_flag )? lower_left_corner: right_attach,
ibm_line, left_attach, name_of_function, ov_num);
for(x=strlen(name_of_function);x < defined_box_width-7;x++)
putc(' ',output);
putc(wall,output);
putc('\n',output);
}
else
{
(void)fprintf( output, "%s%c%c%c%s ",
alternate_lead_in,
/*** if( kill_flag ) /****** last line to this box ******************/
/*** else /****** line continues downwards ***************/
( kill_flag )? lower_left_corner: right_attach,
ibm_line, left_attach, name_of_function);
for(x=strlen(name_of_function);x < defined_box_width-7;x++)
putc(' ',output);
putc(wall,output);
putc('\n',output);
}
}
else /****** main or defined box starting ***********/
{
if( g_ov_flag && ov_num )
{
(void)fprintf( output, "%c%c%s %3d",
ibm_line, left_attach, name_of_function, ov_num);
for(x=strlen(name_of_function);x < defined_box_width-7;x++)
putc(' ',output);
putc(wall,output);
putc('\n',output);
}
else
{
(void)fprintf( output, "%c%c%s ",
ibm_line, left_attach, name_of_function);
for(x=strlen(name_of_function);x < defined_box_width-7;x++)
putc(' ',output);
putc(wall,output);
putc('\n',output);
}
}
/******* 3rd line *****************************************************/
tab_to_left_margin( output );
if( string_length-- ) /** kill outside vertical line on last box **/
lead_in_string[ string_length++ ] = ( kill_flag )? (char)' ': wall;
(void)fprintf( output, "%s %c%s %8s%3d",
lead_in_string, wall, name_of_file, description, either_count);
for(x=strlen(name_of_file);x < defined_box_width-17;x++) putc(' ',output);
putc(wall,output);
putc('\n',output);
/******* 4th line *****************************************************/
tab_to_left_margin( output );
bottom_line_of_box[ 2 ] = /**** if defined box has calls *******/
( tail_flag && either_count )? bottom_attach: ibm_line;
(void)fprintf( output, "%s %s\n", lead_in_string, bottom_line_of_box );
line += 4;
top_of_form_done = false;
}
/**********************************************************************/
static char library_string[] = { "(library)" };
static char usage_string[] = { "Used=" };
static char funct_string[] = { "Functs=" };
#if MSDOS
int near doprint( index )
#else
int doprint( index )
#endif
int index;
{
int
loop_counter,
max_count,
starting_index,
found,
return_value;
void scan_for_static_or_global();
data_base_record_type *record_ptr;
function_type *f_list_ptr;
static int kill_flag = false;
starting_index = index;
record_ptr = array_of_ptrs_to_records[ starting_index ];
recursion_array[ recursion_depth ] = record_ptr->defined_function;
if( !recursion_depth )
{
recursion_filename = record_ptr->file_record_ptr->source_filename;
/* add function to list for recursion check */
static_recursion = record_ptr->static_definition;
}
check_for_new_page();
setpage( array_of_ptrs_to_records[ starting_index ] );
return_value = page - 1; /* must be a relic! */
/* start w/ target function */
draw_output_block( nesting_display_buffer,
record_ptr->defined_function,
( record_ptr->file_record_ptr )->source_filename,
funct_string,
record_ptr->number_of_function_calls,
true,
kill_flag,
record_ptr->overlay_number
);
++recursion_depth;
/**** mystic width = 4 *****/
(void)strcat( nesting_display_buffer, " |" );
nesting_display_buffer[ strlen( nesting_display_buffer ) - 1 ] = wall;
max_count = record_ptr->number_of_function_calls;
for( loop_counter = 0, f_list_ptr = record_ptr->ptr_to_function_table;
loop_counter < max_count;
++loop_counter, ++f_list_ptr
)
{
kill_flag = ( loop_counter == ( max_count - 1 ) )? true: false;
check_for_new_page();
/* is called function defined? */
found = binary_search_sorted_data_base( f_list_ptr->functions_name );
if( found >= 0 )
{
scan_for_static_or_global( &found,
f_list_ptr->static_function,
f_list_ptr->functions_name,
f_list_ptr->its_filename
);
}
if( found >= 0 ) /* yes */
{
test_filename = f_list_ptr->its_filename;
if( recursion_check( f_list_ptr->functions_name,
f_list_ptr->static_function )
)
{
/* tab_to_left_margin( output );
/* (void)fprintf( output, "%s\n", nesting_display_buffer ); */
setpage( array_of_ptrs_to_records[ found ] );
/* ++line; */
top_of_form_done = false;
draw_output_block( nesting_display_buffer,
f_list_ptr->functions_name,
"(recursive)",
"",
0,
false,
kill_flag,
array_of_ptrs_to_records[ found ]->overlay_number
);
}
else /* not recursive and found >= 0 */
{
if( array_of_ptrs_to_records[ found ]->number_of_references == 1 )
{ /* got a new function */
/* tab_to_left_margin( output );
/* (void)fprintf( output, "%s\n", nesting_display_buffer );
/* ++line;
/* top_of_form_done = false; */
doprint( found ); /* used only once */
}
else
{ /* a previously defined function */
/* tab_to_left_margin( output );
/* (void)fprintf( output, "%s\n", nesting_display_buffer ); */
setpage( array_of_ptrs_to_records[ found ] );
/* ++line;
/* top_of_form_done = false; */
draw_output_block( nesting_display_buffer,
f_list_ptr->functions_name,
"(defined)",
usage_string,
f_list_ptr->is_referenced,
false,
kill_flag,
array_of_ptrs_to_records[ found ]->overlay_number
);
}
}
}
else /* found = -1 ie not defined means */
{ /* a library function */
/* tab_to_left_margin( output );
/* (void)fprintf( output, "%s\n", nesting_display_buffer );
/* ++line;
/* top_of_form_done = false; */
draw_output_block( nesting_display_buffer,
f_list_ptr->functions_name,
library_string,
usage_string,
f_list_ptr->is_referenced,
false,
kill_flag,
0 /* .lib functions are in the kernel */
);
}
} /* end of loop on all called functions */
/* remove function f/ recursion list */
recursion_array[ recursion_depth ] = NULL;
/**** mystic width = 4 *****/
nesting_display_buffer[ strlen( nesting_display_buffer ) - 4 ] = '\0';
--recursion_depth;
return return_value;
}
/**********************************************************************/
#if MSDOS
void near scan_for_static_or_global(
index_ptr, is_static, function_name, file_name
)
#else
void scan_for_static_or_global(
index_ptr, is_static, function_name, file_name
)
#endif
int *index_ptr, is_static;
char *function_name, *file_name;
{
int index;
index = *index_ptr;
if( index )
while( index-- )
if( strcmp( function_name,
array_of_ptrs_to_records[ index ]->defined_function )
)
{
++index; /* exit at last matching defined function */
break;
}
do {
if(
( !is_static && !array_of_ptrs_to_records[ index ]->static_definition
) ||
( is_static &&
array_of_ptrs_to_records[ index ]->static_definition &&
!strcmp( array_of_ptrs_to_records[ index ]->
file_record_ptr->source_filename,
file_name
)
)
)
break;
}
while(
( ++index < count_of_functions ) &&
!strcmp( function_name,
array_of_ptrs_to_records[ index ]->defined_function
)
);
if(
( index >= count_of_functions ) ||
strcmp( function_name, array_of_ptrs_to_records[ index ]->defined_function
)
)
index = -1;
*index_ptr = index;
}
/**********************************************************************/
#if MSDOS
int near binary_search_sorted_data_base( key )
#else
int binary_search_sorted_data_base( key )
#endif
char *key;
{
int lo, hi, index;
int doesnt_match;
lo = 0;
hi = count_of_valid_records - 1;
index = ( hi - lo ) / 2;
while( true )
{
doesnt_match =
strcmp( key, array_of_ptrs_to_records[ index ]->defined_function );
if( !doesnt_match ) /* a match found at index */
break;
if( lo >= hi ) /* no match found */
{
index = -1;
break;
}
if( doesnt_match < 0 ) /* key < choice so go downwards */
hi = index - 1;
else /* key > choice so go upwards */
lo = index + 1;
index = ( hi + lo ) / 2; /* new choice */
}
return index;
}
/**********************************************************************/
) / 2; /* new choice */
}
return index;
}
/********