1 /* ----------------------------------------------------------------------------
2 * $Id: RtsAPI.h,v 1.2 1998/12/02 13:21:21 simonm Exp $
4 * API for invoking Haskell functions via the RTS
6 * --------------------------------------------------------------------------*/
11 #include "SchedAPI.h" /* for SchedulerStatus */
13 typedef StgClosure *HaskellObj;
15 /* ----------------------------------------------------------------------------
16 Starting up and shutting down the Haskell RTS.
17 ------------------------------------------------------------------------- */
18 extern void startupHaskell ( int argc, char *argv[] );
19 extern void shutdownHaskell ( void );
21 /* ----------------------------------------------------------------------------
22 Building Haskell objects from C datatypes.
23 ------------------------------------------------------------------------- */
24 HaskellObj rts_mkChar ( char c );
25 HaskellObj rts_mkInt ( int i );
26 HaskellObj rts_mkInt8 ( int i );
27 HaskellObj rts_mkInt16 ( int i );
28 HaskellObj rts_mkInt32 ( int i );
29 HaskellObj rts_mkInt64 ( long long i );
30 HaskellObj rts_mkWord ( unsigned int w );
31 HaskellObj rts_mkWord8 ( unsigned int w );
32 HaskellObj rts_mkWord16 ( unsigned int w );
33 HaskellObj rts_mkWord32 ( unsigned int w );
34 HaskellObj rts_mkWord64 ( unsigned long long w );
35 HaskellObj rts_mkFloat ( float f );
36 HaskellObj rts_mkDouble ( double f );
37 HaskellObj rts_mkStablePtr ( StgStablePtr s );
38 HaskellObj rts_mkAddr ( void *a );
39 HaskellObj rts_mkBool ( int b );
40 HaskellObj rts_mkString ( char *s );
42 HaskellObj rts_apply ( HaskellObj, HaskellObj );
44 /* ----------------------------------------------------------------------------
45 Deconstructing Haskell objects
46 ------------------------------------------------------------------------- */
47 char rts_getChar ( HaskellObj );
48 int rts_getInt ( HaskellObj );
49 unsigned int rts_getWord ( HaskellObj );
50 float rts_getFloat ( HaskellObj );
51 double rts_getDouble ( HaskellObj );
52 StgStablePtr rts_getStablePtr ( HaskellObj );
53 void * rts_getAddr ( HaskellObj );
54 int rts_getBool ( HaskellObj );
56 /* ----------------------------------------------------------------------------
57 Evaluating Haskell expressions
59 The versions ending in '_' allow you to specify an initial stack size.
60 ------------------------------------------------------------------------- */
62 rts_eval ( HaskellObj p, /*out*/HaskellObj *ret );
65 rts_eval_ ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
68 rts_evalIO ( HaskellObj p, /*out*/HaskellObj *ret );
71 rts_evalIO_ ( HaskellObj p, unsigned int stack_size, /*out*/HaskellObj *ret );
74 rts_checkSchedStatus ( char* site, SchedulerStatus rc);