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CArray REPR on JVM, with supporting int and num.
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111 changes: 110 additions & 1 deletion
111
src/vm/jvm/runtime/org/perl6/nqp/sixmodel/reprs/CArrayInstance.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,116 @@ | ||
| package org.perl6.nqp.sixmodel.reprs; | ||
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| import com.sun.jna.Memory; | ||
| import com.sun.jna.Native; | ||
| import com.sun.jna.Pointer; | ||
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| import org.perl6.nqp.runtime.ExceptionHandling; | ||
| import org.perl6.nqp.runtime.ThreadContext; | ||
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| import org.perl6.nqp.sixmodel.SixModelObject; | ||
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| import org.perl6.nqp.sixmodel.reprs.CArrayREPRData.ElemKind; | ||
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| public class CArrayInstance extends SixModelObject { | ||
| /* Nothing here yet. */ | ||
| public Pointer storage; | ||
| public boolean managed; | ||
| public long allocated; | ||
| public long elems; | ||
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| public void at_pos_native(ThreadContext tc, long index) { | ||
| CArrayREPRData repr_data = (CArrayREPRData) st.REPRData; | ||
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| if (managed && index >= elems) { | ||
| if (repr_data.elem_kind == ElemKind.INTEGER) { | ||
| tc.native_type = ThreadContext.NATIVE_INT; | ||
| tc.native_i = 0; | ||
| } | ||
| else if (repr_data.elem_kind == ElemKind.NUMERIC) { | ||
| tc.native_type = ThreadContext.NATIVE_NUM; | ||
| tc.native_n = 0; | ||
| } | ||
| else { | ||
| ExceptionHandling.dieInternal(tc, "CArray can only at_pos_native with ints and nums."); | ||
| } | ||
| return; | ||
| } | ||
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| if (repr_data.elem_kind == ElemKind.INTEGER) { | ||
| tc.native_type = ThreadContext.NATIVE_INT; | ||
| if (repr_data.elem_size == 8) { | ||
| tc.native_i = storage.getByte(index*repr_data.jna_size); | ||
| } | ||
| else if (repr_data.elem_size == 16) { | ||
| tc.native_i = storage.getShort(index*repr_data.jna_size); | ||
| } | ||
| else if (repr_data.elem_size == 32) { | ||
| tc.native_i = storage.getInt(index*repr_data.jna_size); | ||
| } | ||
| else if (repr_data.elem_size == 64) { | ||
| tc.native_i = storage.getLong(index*repr_data.jna_size); | ||
| } | ||
| } | ||
| else if (repr_data.elem_kind == ElemKind.NUMERIC) { | ||
| tc.native_type = ThreadContext.NATIVE_NUM; | ||
| if (repr_data.elem_size == 32) { | ||
| tc.native_n = storage.getFloat(index*repr_data.jna_size); | ||
| } | ||
| else if (repr_data.elem_size == 64) { | ||
| tc.native_n = storage.getDouble(index*repr_data.jna_size); | ||
| } | ||
| } | ||
| else { | ||
| ExceptionHandling.dieInternal(tc, "CArray can only at_pos_native with ints and nums."); | ||
| } | ||
| } | ||
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| public void bind_pos_native(ThreadContext tc, long index) { | ||
| CArrayREPRData repr_data = (CArrayREPRData) st.REPRData; | ||
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| if (index >= allocated) { | ||
| expand(tc, index+1); | ||
| } | ||
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| if (repr_data.elem_kind == ElemKind.INTEGER) { | ||
| tc.native_type = ThreadContext.NATIVE_INT; | ||
| if (repr_data.elem_size == 8) { | ||
| storage.setByte(index*repr_data.jna_size, (byte) tc.native_i); | ||
| } | ||
| else if (repr_data.elem_size == 16) { | ||
| storage.setShort(index*repr_data.jna_size, (short) tc.native_i); | ||
| } | ||
| else if (repr_data.elem_size == 32) { | ||
| storage.setInt(index*repr_data.jna_size, (int) tc.native_i); | ||
| } | ||
| else if (repr_data.elem_size == 64) { | ||
| storage.setLong(index*repr_data.jna_size, tc.native_i); | ||
| } | ||
| } | ||
| else if (repr_data.elem_kind == ElemKind.NUMERIC) { | ||
| tc.native_type = ThreadContext.NATIVE_NUM; | ||
| if (repr_data.elem_size == 32) { | ||
| storage.setFloat(index*repr_data.jna_size, (float) tc.native_n); | ||
| } | ||
| else if (repr_data.elem_size == 64) { | ||
| storage.setDouble(index*repr_data.jna_size, tc.native_n); | ||
| } | ||
| } | ||
| else { | ||
| ExceptionHandling.dieInternal(tc, "CArray can only bind_pos_native with ints and nums."); | ||
| } | ||
| } | ||
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| private void expand(ThreadContext tc, long new_size) { | ||
| CArrayREPRData repr_data = (CArrayREPRData) st.REPRData; | ||
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| if (managed) { | ||
| Memory new_storage = new Memory(new_size*repr_data.jna_size); | ||
| if (storage != null) { | ||
| Memory old_storage = (Memory) storage; | ||
| new_storage.write(0, old_storage.getByteArray(0, (int) old_storage.size()), 0, (int) old_storage.size()); | ||
| } | ||
| storage = new_storage; | ||
| } | ||
| elems = new_size; | ||
| } | ||
| } |
12 changes: 12 additions & 0 deletions
12
src/vm/jvm/runtime/org/perl6/nqp/sixmodel/reprs/CArrayREPRData.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| package org.perl6.nqp.sixmodel.reprs; | ||
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| import org.perl6.nqp.sixmodel.SixModelObject; | ||
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| public class CArrayREPRData { | ||
| public short elem_size; | ||
| public SixModelObject elem_type; | ||
| public ElemKind elem_kind; | ||
| public int jna_size; | ||
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| public enum ElemKind { INTEGER, NUMERIC, STRING, CPOINTER, CARRAY, CSTRUCT } | ||
| } |