1 /* ----------------------------------------------------------------------------
2 * $Id: RtsAPI.h,v 1.5 1999/05/21 14:46:20 sof Exp $
4 * (c) The GHC Team, 1998-1999
6 * API for invoking Haskell functions via the RTS
8 * --------------------------------------------------------------------------*/
13 #include "SchedAPI.h" /* for SchedulerStatus */
15 typedef StgClosure *HaskellObj;
17 /* ----------------------------------------------------------------------------
18 Starting up and shutting down the Haskell RTS.
19 ------------------------------------------------------------------------- */
20 extern void startupHaskell ( int argc, char *argv[] );
21 extern void shutdownHaskell ( void );
23 /* ----------------------------------------------------------------------------
24 Building Haskell objects from C datatypes.
25 ------------------------------------------------------------------------- */
26 HaskellObj rts_mkChar ( char c );
27 HaskellObj rts_mkInt ( int i );
28 HaskellObj rts_mkInt8 ( int i );
29 HaskellObj rts_mkInt16 ( int i );
30 HaskellObj rts_mkInt32 ( int i );
31 HaskellObj rts_mkInt64 ( long long i );
32 HaskellObj rts_mkWord ( unsigned int w );
33 HaskellObj rts_mkWord8 ( unsigned int w );
34 HaskellObj rts_mkWord16 ( unsigned int w );
35 HaskellObj rts_mkWord32 ( unsigned int w );
36 HaskellObj rts_mkWord64 ( unsigned long long w );
37 HaskellObj rts_mkFloat ( float f );
38 HaskellObj rts_mkDouble ( double f );
39 HaskellObj rts_mkStablePtr ( StgStablePtr s );
40 HaskellObj rts_mkAddr ( void *a );
41 HaskellObj rts_mkBool ( int b );
42 HaskellObj rts_mkString ( char *s );
44 HaskellObj rts_apply ( HaskellObj, HaskellObj );
46 /* ----------------------------------------------------------------------------
47 Deconstructing Haskell objects
48 ------------------------------------------------------------------------- */
49 char rts_getChar ( HaskellObj );
50 int rts_getInt ( HaskellObj );
51 int rts_getInt32 ( HaskellObj );
52 unsigned int rts_getWord ( HaskellObj );
53 unsigned int rts_getWord32 ( HaskellObj );
54 float rts_getFloat ( HaskellObj );
55 double rts_getDouble ( HaskellObj );
56 StgStablePtr rts_getStablePtr ( HaskellObj );
57 void * rts_getAddr ( HaskellObj );
58 int rts_getBool ( HaskellObj );
60 /* ----------------------------------------------------------------------------
61 Evaluating Haskell expressions
63 The versions ending in '_' allow you to specify an initial stack size.
64 ------------------------------------------------------------------------- */
66 rts_eval ( HaskellObj p, /*out*/HaskellObj *ret );
69 rts_eval_ ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
72 rts_evalIO ( HaskellObj p, /*out*/HaskellObj *ret );
75 rts_evalLazyIO ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
78 rts_checkSchedStatus ( char* site, SchedulerStatus rc);