1 | // =============================================================== // |
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2 | // // |
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3 | // File : aisc_global.h // |
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4 | // Purpose : // |
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5 | // // |
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6 | // Coded by Ralf Westram (coder@reallysoft.de) in May 2007 // |
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7 | // Institute of Microbiology (Technical University Munich) // |
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8 | // http://www.arb-home.de/ // |
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9 | // // |
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10 | // =============================================================== // |
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11 | #ifndef AISC_GLOBAL_H |
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12 | #define AISC_GLOBAL_H |
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13 | |
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14 | #ifndef BYTESTRING_H |
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15 | #include <bytestring.h> |
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16 | #endif |
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17 | #ifndef ARBTOOLS_H |
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18 | #include <arbtools.h> |
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19 | #endif |
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20 | #ifndef ATTRIBUTES_H |
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21 | #include <attributes.h> |
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22 | #endif |
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23 | #ifndef ARB_ASSERT_H |
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24 | #include <arb_assert.h> |
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25 | #endif |
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26 | |
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27 | #define aisc_assert(cond) arb_assert(cond) |
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28 | |
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29 | // type mask |
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30 | #define AISC_TYPE_NONE 0x00000000 |
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31 | #define AISC_TYPE_INT 0x01000000 |
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32 | #define AISC_TYPE_DOUBLE 0x02000000 |
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33 | #define AISC_TYPE_STRING 0x03000000 |
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34 | #define AISC_TYPE_COMMON 0x04000000 |
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35 | #define AISC_TYPE_BYTES 0x05000000 |
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36 | |
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37 | #define AISC_VAR_TYPE_MASK 0xff000000 |
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38 | #define AISC_OBJ_TYPE_MASK 0x00ff0000 |
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39 | #define AISC_ATTR_MASK 0x0000ffff |
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40 | |
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41 | #define AISC_INDEX 0x1ff0000 |
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42 | #define AISC_NO_ANSWER -0x7fffffff |
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43 | |
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44 | #define AISC_COMMON 0 |
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45 | |
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46 | // sync with ../../INCLUDE/arbtools.h@CASTSIG |
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47 | #define AISC_CASTSIG(sig,cb) ((sig)((void*)(cb))) |
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48 | |
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49 | union double_xfer { // workaround aliasing problems |
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50 | double as_double; |
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51 | int as_int[2]; |
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52 | }; |
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53 | |
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54 | class AISC_Object : public Noncopyable { |
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55 | int type_id; |
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56 | long remote_ptr; // this is a pointer to client-data in server-address-space (casted to long) |
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57 | |
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58 | void *operator&() { return NULp; } // forbid error-prone idiom (AISC_Object just was 'long' in the past). Instead use as_result_param() |
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59 | |
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60 | protected: |
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61 | |
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62 | void set(int IF_ASSERTION_USED(remoteType), long remotePtr) { aisc_assert(remoteType == type_id); remote_ptr = remotePtr; } |
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63 | |
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64 | public: |
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65 | AISC_Object(int type_) : type_id(type_), remote_ptr(0) {} |
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66 | |
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67 | bool exists() const { return remote_ptr; } |
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68 | long get() const { return remote_ptr; } |
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69 | int type() const { return type_id; } |
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70 | |
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71 | void clear() { remote_ptr = 0; } |
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72 | void init(long remotePtr) { aisc_assert(!exists()); set(type_id, remotePtr); } |
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73 | |
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74 | long *as_result_param() { return &remote_ptr; } |
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75 | |
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76 | }; |
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77 | |
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78 | #else |
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79 | #error aisc_global.h included twice |
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80 | #endif // AISC_GLOBAL_H |
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81 | |
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