package org.perl6.nqp.sixmodel.reprs;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.perl6.nqp.runtime.ThreadContext;
import org.perl6.nqp.sixmodel.REPR;
import org.perl6.nqp.sixmodel.STable;
import org.perl6.nqp.sixmodel.SerializationReader;
import org.perl6.nqp.sixmodel.SerializationWriter;
import org.perl6.nqp.sixmodel.SixModelObject;
import org.perl6.nqp.sixmodel.StorageSpec;
import org.perl6.nqp.sixmodel.TypeObject;
public class P6str extends REPR {
public SixModelObject type_object_for(ThreadContext tc, SixModelObject HOW) {
STable st = new STable(this, HOW);
SixModelObject obj = new TypeObject();
obj.st = st;
st.WHAT = obj;
return st.WHAT;
}
public SixModelObject allocate(ThreadContext tc, STable st) {
P6strInstance obj = new P6strInstance();
obj.st = st;
obj.value = "";
return obj;
}
public StorageSpec get_storage_spec(ThreadContext tc, STable st) {
StorageSpec ss = new StorageSpec();
ss.inlineable = StorageSpec.INLINED;
ss.boxed_primitive = StorageSpec.BP_STR;
ss.can_box = StorageSpec.CAN_BOX_STR;
return ss;
}
public void inlineStorage(ThreadContext tc, STable st, ClassWriter cw, String prefix) {
cw.visitField(Opcodes.ACC_PUBLIC, prefix, "Ljava/lang/String;", null, null);
}
public void inlineBind(ThreadContext tc, STable st, MethodVisitor mv, String className, String prefix) {
mv.visitVarInsn(Opcodes.ALOAD, 1);
mv.visitInsn(Opcodes.ICONST_0 + ThreadContext.NATIVE_STR);
mv.visitFieldInsn(Opcodes.PUTFIELD, "org/perl6/nqp/runtime/ThreadContext", "native_type", "I");
mv.visitVarInsn(Opcodes.ALOAD, 0);
mv.visitVarInsn(Opcodes.ALOAD, 1);
mv.visitFieldInsn(Opcodes.GETFIELD, "org/perl6/nqp/runtime/ThreadContext", "native_s", "Ljava/lang/String;");
mv.visitFieldInsn(Opcodes.PUTFIELD, className, prefix, "Ljava/lang/String;");
mv.visitInsn(Opcodes.RETURN);
}
public void inlineGet(ThreadContext tc, STable st, MethodVisitor mv, String className, String prefix) {
mv.visitVarInsn(Opcodes.ALOAD, 1);
mv.visitInsn(Opcodes.DUP);
mv.visitInsn(Opcodes.ICONST_0 + ThreadContext.NATIVE_STR);
mv.visitFieldInsn(Opcodes.PUTFIELD, "org/perl6/nqp/runtime/ThreadContext", "native_type", "I");
mv.visitVarInsn(Opcodes.ALOAD, 0);
mv.visitFieldInsn(Opcodes.GETFIELD, className, prefix, "Ljava/lang/String;");
mv.visitFieldInsn(Opcodes.PUTFIELD, "org/perl6/nqp/runtime/ThreadContext", "native_s", "Ljava/lang/String;");
mv.visitInsn(Opcodes.RETURN);
}
public void inlineDeserialize(ThreadContext tc, STable st, MethodVisitor mv, String className, String prefix) {
mv.visitVarInsn(Opcodes.ALOAD, 0);
mv.visitVarInsn(Opcodes.ALOAD, 3);
mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "org/perl6/nqp/sixmodel/SerializationReader", "readStr", "()Ljava/lang/String;");
mv.visitFieldInsn(Opcodes.PUTFIELD, className, prefix, "Ljava/lang/String;");
}
public void generateBoxingMethods(ThreadContext tc, STable st, ClassWriter cw, String className, String prefix) {
MethodVisitor getMeth = cw.visitMethod(Opcodes.ACC_PUBLIC, "get_str",
"(Lorg/perl6/nqp/runtime/ThreadContext;)Ljava/lang/String;", null, null);
getMeth.visitVarInsn(Opcodes.ALOAD, 0);
getMeth.visitFieldInsn(Opcodes.GETFIELD, className, prefix, "Ljava/lang/String;");
getMeth.visitInsn(Opcodes.ARETURN);
getMeth.visitMaxs(0, 0);
MethodVisitor setMeth = cw.visitMethod(Opcodes.ACC_PUBLIC, "set_str",
"(Lorg/perl6/nqp/runtime/ThreadContext;Ljava/lang/String;)V", null, null);
setMeth.visitVarInsn(Opcodes.ALOAD, 0);
setMeth.visitVarInsn(Opcodes.ALOAD, 2);
setMeth.visitFieldInsn(Opcodes.PUTFIELD, className, prefix, "Ljava/lang/String;");
setMeth.visitInsn(Opcodes.RETURN);
setMeth.visitMaxs(0, 0);
}
// We don't depend on any details of the STable, so no description is needed
@Override public boolean inline_description(ThreadContext tc, STable st, StringBuilder out) {
return true;
}
@Override public boolean box_description(ThreadContext tc, STable st, StringBuilder out) {
return true;
}
public SixModelObject deserialize_stub(ThreadContext tc, STable st) {
P6strInstance obj = new P6strInstance();
obj.st = st;
return obj;
}
public void deserialize_finish(ThreadContext tc, STable st,
SerializationReader reader, SixModelObject obj) {
((P6strInstance)obj).value = reader.readStr();
}
public void serialize(ThreadContext tc, SerializationWriter writer, SixModelObject obj) {
writer.writeStr(((P6strInstance)obj).value);
}
public void serialize_inlined(ThreadContext tc, STable st, SerializationWriter writer,
String prefix, SixModelObject obj) {
try {
writer.writeStr((String)obj.getClass().getField(prefix).get(obj));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}