/****************************************************************************
- * Copyright (c) 1998,2004,2005 Free Software Foundation, Inc. *
+ * Copyright (c) 1998,2005,2007 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
/*
Version Control
- $Id: gen.c,v 1.40 2005/01/22 17:03:48 tom Exp $
+ $Id: gen.c,v 1.48 2007/05/05 17:24:36 tom Exp $
--------------------------------------------------------------------------*/
/*
This program generates various record structures and constants from the
to produce the real source.
*/
+#include <ncurses_cfg.h>
+
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
static void
gen_acs(void)
{
+ printf(" type C_ACS_Map is array (Character'Val (0) .. Character'Val (127))\n");
+ printf(" of Attributed_Character;\n");
+#if USE_REENTRANT || BROKEN_LINKER
+ printf(" type C_ACS_Ptr is access C_ACS_Map;\n");
+ printf(" function ACS_Map return C_ACS_Ptr;\n");
+ printf(" pragma Import (C, ACS_Map, \"_nc_acs_map\");\n");
+#else
+ printf(" ACS_Map : C_ACS_Map;\n");
+ printf(" pragma Import (C, ACS_Map, \"acs_map\");\n");
+#endif
+ printf(" --\n");
+ printf(" --\n");
+ printf(" -- Constants for several characters from the Alternate Character Set\n");
+ printf(" -- You must use these constants as indices into the ACS_Map array\n");
+ printf(" -- to get the corresponding attributed character at runtime.\n");
+ printf(" --\n");
+
#ifdef ACS_ULCORNER
acs_def("ACS_Upper_Left_Corner", &ACS_ULCORNER);
#endif
printf(" %-25s : constant Event_Mask := 8#%011lo#;\n", \
#name, name)
-static
-void
+static void
gen_mouse_events(void)
{
mmask_t all1 = 0;
GEN_EVENT(BUTTON4_EVENTS, all4);
}
+static void
+wrap_one_var(const char *c_var,
+ const char *c_type,
+ const char *ada_func,
+ const char *ada_type)
+{
+#if USE_REENTRANT
+ /* must wrap variables */
+ printf("\n");
+ printf(" function %s return %s\n", ada_func, ada_type);
+ printf(" is\n");
+ printf(" function Result return %s;\n", c_type);
+ printf(" pragma Import (C, Result, \"_nc_%s\");\n", c_var);
+ printf(" begin\n");
+ if (strcmp(c_type, ada_type))
+ printf(" return %s (Result);\n", ada_type);
+ else
+ printf(" return Result;\n");
+ printf(" end %s;\n", ada_func);
+#else
+ /* global variables are really global */
+ printf("\n");
+ printf(" function %s return %s\n", ada_func, ada_type);
+ printf(" is\n");
+ printf(" Result : %s;\n", c_type);
+ printf(" pragma Import (C, Result, \"%s\");\n", c_var);
+ printf(" begin\n");
+ if (strcmp(c_type, ada_type))
+ printf(" return %s (Result);\n", ada_type);
+ else
+ printf(" return Result;\n");
+ printf(" end %s;\n", ada_func);
+#endif
+}
+
+#define GEN_PUBLIC_VAR(c_var, c_type, ada_func, ada_type) \
+ wrap_one_var(#c_var, #c_type, #ada_func, #ada_type)
+
+static void
+gen_public_vars(void)
+{
+ GEN_PUBLIC_VAR(stdscr, Window, Standard_Window, Window);
+ GEN_PUBLIC_VAR(curscr, Window, Current_Window, Window);
+ GEN_PUBLIC_VAR(LINES, C_Int, Lines, Line_Count);
+ GEN_PUBLIC_VAR(COLS, C_Int, Columns, Column_Count);
+ GEN_PUBLIC_VAR(TABSIZE, C_Int, Tab_Size, Natural);
+ GEN_PUBLIC_VAR(COLORS, C_Int, Number_Of_Colors, Natural);
+ GEN_PUBLIC_VAR(COLOR_PAIRS, C_Int, Number_Of_Color_Pairs, Natural);
+}
+
/*
* Output some comment lines indicating that the file is generated.
* The name parameter is the name of the facility to be used in
return strlen(buf);
}
-#define GEN_OFFSET(member,itype) \
- if (sizeof(((WINDOW*)0)->member)==sizeof(itype)) { \
- o = offsetof(WINDOW, member); \
- if ((o%sizeof(itype) == 0)) { \
- printf(" Offset%-*s : constant Natural := %2ld; -- %s\n", \
- 12, #member, (long)(o/sizeof(itype)),#itype); \
- } \
- }
-
static void
gen_offsets(void)
{
- long o;
const char *s_bool = "";
- GEN_OFFSET(_maxy, short);
- GEN_OFFSET(_maxx, short);
- GEN_OFFSET(_begy, short);
- GEN_OFFSET(_begx, short);
- GEN_OFFSET(_cury, short);
- GEN_OFFSET(_curx, short);
- GEN_OFFSET(_yoffset, short);
- GEN_OFFSET(_pary, int);
- GEN_OFFSET(_parx, int);
if (sizeof(bool) == sizeof(char))
{
- GEN_OFFSET(_notimeout, char);
- GEN_OFFSET(_clear, char);
- GEN_OFFSET(_leaveok, char);
- GEN_OFFSET(_scroll, char);
- GEN_OFFSET(_idlok, char);
- GEN_OFFSET(_idcok, char);
- GEN_OFFSET(_immed, char);
- GEN_OFFSET(_sync, char);
- GEN_OFFSET(_use_keypad, char);
-
s_bool = "char";
}
else if (sizeof(bool) == sizeof(short))
{
- GEN_OFFSET(_notimeout, short);
- GEN_OFFSET(_clear, short);
- GEN_OFFSET(_leaveok, short);
- GEN_OFFSET(_scroll, short);
- GEN_OFFSET(_idlok, short);
- GEN_OFFSET(_idcok, short);
- GEN_OFFSET(_immed, short);
- GEN_OFFSET(_sync, short);
- GEN_OFFSET(_use_keypad, short);
-
s_bool = "short";
}
else if (sizeof(bool) == sizeof(int))
{
- GEN_OFFSET(_notimeout, int);
- GEN_OFFSET(_clear, int);
- GEN_OFFSET(_leaveok, int);
- GEN_OFFSET(_scroll, int);
- GEN_OFFSET(_idlok, int);
- GEN_OFFSET(_idcok, int);
- GEN_OFFSET(_immed, int);
- GEN_OFFSET(_sync, int);
- GEN_OFFSET(_use_keypad, int);
-
s_bool = "int";
}
printf(" Sizeof%-*s : constant Natural := %2ld; -- %s\n",
case 'A': /* chtype translation into Ada95 record type */
gen_attr_set("Character_Attribute_Set");
break;
- case 'K': /* translation of keycodes */
- gen_keydefs(0);
- break;
case 'B': /* write some initial comment lines */
basedefs();
break;
case 'E': /* generate Mouse Event codes */
gen_mouse_events();
break;
- case 'M': /* generate constants for the ACS characters */
- gen_acs();
+ case 'K': /* translation of keycodes */
+ gen_keydefs(0);
break;
case 'L': /* generate the Linker_Options pragma */
gen_linkopts();
break;
+ case 'M': /* generate constants for the ACS characters */
+ gen_acs();
+ break;
case 'O': /* generate definitions of the old key code names */
gen_keydefs(1);
break;
+ case 'P': /* generate definitions of the public variables */
+ gen_public_vars();
+ break;
case 'R': /* generate representation clause for Attributed character */
gen_chtype_rep("Attributed_Character");
break;
- case 'V': /* generate version info */
- gen_version_info();
- break;
case 'T': /* generate the Trace info */
gen_trace("Trace_Attribute_Set");
break;
+ case 'V': /* generate version info */
+ gen_version_info();
+ break;
default:
break;
}
projects / ncurses.git / blobdiff