Annotation of /trunk/src/include/Diderot/strands.h

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1 :	jhr	1115	/*! \file strands.h
2 :			*
3 :			* \author John Reppy
4 :			*/
5 :
6 :			/*
7 :			* COPYRIGHT (c) 2011 The Diderot Project (http://diderot-language.cs.uchicago.edu)
8 :			* All rights reserved.
9 :			*/
10 :
11 :			#ifndef _DIDEROT_STRANDS_H_
12 :			#define _DIDEROT_STRANDS_H_
13 :
14 :			#ifndef _DIDEROT_TYPES_H_
15 :			#include "Diderot/types.h"
16 :			#endif
17 :
18 :			typedef StrandStatus_t (*update_method_t)(void *, void *);
19 :			typedef void (*print_method_t)(FILE *, void *);
20 :
21 :			/* hooks generated by the compiler for the runtime */
22 :			typedef struct {
23 :			char *name; // name of strand
24 :			size_t stateSzb; // sze of strand state
25 :			update_method_t update; // update method
26 :			print_method_t print; // function for printing output state
27 :			} Strand_t;
28 :
29 :			extern int Diderot_NumStrands; // the number of strands in the program
30 :			extern Strand_t *Diderot_Strands[]; // array of NumStrands strand descriptors
31 :
32 :			typedef struct struct_world Diderot_World_t;
33 :
34 :			extern void Diderot_InitGlobals ();
35 :			extern Diderot_World_t *Diderot_Initially ();
36 :
37 :
38 :			/* Diderot library functions */
39 :
40 :			// block allocation of an initial collection of strands
41 :			extern Diderot_World_t *Diderot_AllocInitially (
42 :			Strand_t *strand, // the type of strands being allocated
43 :			bool isArray, // is the initialization an array or collection?
44 :			uint32_t nDims, // depth of iteration nesting
45 :			int32_t *base, // nDims array of base indices
46 :			uint32_t *size); // nDims array of iteration sizes
47 :
48 :			// get strand state pointers
49 :			extern void *Diderot_InState (Diderot_World_t *wrld, uint32_t i);
50 :			extern void *Diderot_OutState (Diderot_World_t *wrld, uint32_t i);
51 :			extern bool Diderot_IsActive (Diderot_World_t *wrld, uint32_t i);
52 :
53 :			// strand allocation (no initializtion)
54 :			extern void *Diderot_AllocStrand (Strand_t *strand);
55 :
56 :			#endif /* !_DIDEROT_STRANDS_H_ */

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