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asarium
8f4d51b14a
This maintains the type information which can be used for enforce const-correctness and also for implementing more advanced ways of handling the type information.
90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
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#include "bitops.h"
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#include "scripting/ade_args.h"
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namespace scripting {
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namespace api {
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//**********LIBRARY: Bitwise Ops
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ADE_LIB(l_BitOps, "BitOps", "bit", "Bitwise Operations library");
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ADE_FUNC(AND, l_BitOps, "number, number", "Values for which bitwise boolean AND operation is performed", "number", "Result of the AND operation")
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{
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int a, b, c;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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c = (a & b);
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(OR, l_BitOps, "number, number", "Values for which bitwise boolean OR operation is performed", "number", "Result of the OR operation")
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{
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int a, b, c;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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c = (a | b);
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(XOR, l_BitOps, "number, number", "Values for which bitwise boolean XOR operation is performed", "number", "Result of the XOR operation")
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{
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int a, b, c;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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c = (a ^ b);
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(toggleBit, l_BitOps, "number, number (bit)", "Toggles the value of the set bit in the given number for 32 bit integer", "number", "Result of the operation")
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{
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int a, b, c;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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if (!((b >= 0) && (b < 32)))
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return ade_set_error(L, "i", 0);
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c = a ^ (1 << b);
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return ade_set_args(L, "i", c);
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}
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ADE_FUNC(checkBit, l_BitOps, "number, number (bit)", "Checks the value of the set bit in the given number for 32 bit integer", "boolean", "Was the bit true of false")
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{
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int a, b;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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if (!((b >= 0) && (b < 32)))
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return ade_set_error(L, "i", 0);
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if(a & (1<<b))
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return ADE_RETURN_TRUE;
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else
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return ADE_RETURN_FALSE;
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}
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ADE_FUNC(addBit, l_BitOps, "number, number (bit)", "Performs inclusive or (OR) operation on the set bit of the value", "number", "Result of the operation")
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{
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int a, b, c;
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if(!ade_get_args(L, "ii", &a,&b))
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return ade_set_error(L, "i", 0);
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if (!((b >= 0) && (b < 32)))
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return ade_set_error(L, "i", 0);
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c = (a | (1<<b));
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return ade_set_args(L, "i", c);
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}
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}
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}
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