internal Assembler()
{
_codeBuffer = new CodeBuffer(this);
_codeContext = new CodeContext(this);
if (Constants.X64)
{
Zdi = new GpRegister(Cpu.Registers.Rdi);
Zsi = new GpRegister(Cpu.Registers.Rsi);
Zbp = new GpRegister(Cpu.Registers.Rbp);
Zsp = new GpRegister(Cpu.Registers.Rsp);
Zbx = new GpRegister(Cpu.Registers.Rbx);
Zdx = new GpRegister(Cpu.Registers.Rdx);
Zcx = new GpRegister(Cpu.Registers.Rcx);
Zax = new GpRegister(Cpu.Registers.Rax);
}
else
{
Zdi = new GpRegister(Cpu.Registers.Edi);
Zsi = new GpRegister(Cpu.Registers.Esi);
Zbp = new GpRegister(Cpu.Registers.Ebp);
Zsp = new GpRegister(Cpu.Registers.Esp);
Zbx = new GpRegister(Cpu.Registers.Ebx);
Zdx = new GpRegister(Cpu.Registers.Edx);
Zcx = new GpRegister(Cpu.Registers.Ecx);
Zax = new GpRegister(Cpu.Registers.Eax);
}
_id = _idGenerator++;
_features |= AssemblerFeatures.OptimizedAlign;
_instructionOptions = InstructionOptions.None;
}
public override string ToString()
{
var buf = new CodeBuffer();
Write(buf);
return(buf.ToString());
}
internal override void GenSlurpBytes(CodeBuffer cb, string b, string s, string l)
{
cb.Append("{\n");
cb.Append("int i = org.apache.hadoop.record.Utils.readVInt(" + b + ", " + s + ");\n"
);
cb.Append("int z = org.apache.hadoop.record.Utils.getVIntSize(i);\n");
cb.Append(s + "+=(z+i); " + l + "-= (z+i);\n");
cb.Append("}\n");
}
internal override void GenSlurpBytes(CodeBuffer cb, string b, string s, string l)
{
cb.Append("{\n");
cb.Append("if (" + l + "<4) {\n");
cb.Append("throw new java.io.IOException(\"Float is exactly 4 bytes." + " Provided buffer is smaller.\");\n"
);
cb.Append("}\n");
cb.Append(s + "+=4; " + l + "-=4;\n");
cb.Append("}\n");
}
// In Binary format, boolean is written as byte. true = 1, false = 0
internal override void GenSlurpBytes(CodeBuffer cb, string b, string s, string l)
{
cb.Append("{\n");
cb.Append("if (" + l + "<1) {\n");
cb.Append("throw new java.io.IOException(\"Boolean is exactly 1 byte." + " Provided buffer is smaller.\");\n"
);
cb.Append("}\n");
cb.Append(s + "++; " + l + "--;\n");
cb.Append("}\n");
}
internal override void GenGetSet(CodeBuffer cb, string fname)
{
cb.Append("virtual const " + this.GetType() + "& get" + JType.ToCamelCase(fname)
+ "() const {\n");
cb.Append("return " + fname + ";\n");
cb.Append("}\n");
cb.Append("virtual " + this.GetType() + "& get" + JType.ToCamelCase(fname) + "() {\n"
);
cb.Append("return " + fname + ";\n");
cb.Append("}\n");
}
public override void Write(CodeBuffer buf)
{
buf.Append("case ").Append(Exp).AppendLine(" of");
buf.Indent();
foreach (var(pred, body) in Cases)
{
buf.Append(pred).AppendLine(" ->");
buf.Indented(() => buf.AppendLine(body));
}
buf.DeIndent();
}
public override void Write(CodeBuffer buf)
{
buf.AppendLine(Type);
var headerItems = new List <string>();
headerItems.Add(Name);
headerItems.AddRange(Params);
headerItems.Add("=");
buf.AppendLine(string.Join(' ', headerItems));
buf.Indented(() => buf.AppendLine(Body));
}
internal override void GenCompareBytes(CodeBuffer cb)
{
cb.Append("{\n");
cb.Append("int i1 = org.apache.hadoop.record.Utils.readVInt(b1, s1);\n");
cb.Append("int i2 = org.apache.hadoop.record.Utils.readVInt(b2, s2);\n");
cb.Append("if (i1 != i2) {\n");
cb.Append("return ((i1-i2) < 0) ? -1 : 0;\n");
cb.Append("}\n");
cb.Append("int z1 = org.apache.hadoop.record.Utils.getVIntSize(i1);\n");
cb.Append("int z2 = org.apache.hadoop.record.Utils.getVIntSize(i2);\n");
cb.Append("s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n");
cb.Append("}\n");
}
// In Binary format, boolean is written as byte. true = 1, false = 0
internal override void GenCompareBytes(CodeBuffer cb)
{
cb.Append("{\n");
cb.Append("if (l1<1 || l2<1) {\n");
cb.Append("throw new java.io.IOException(\"Boolean is exactly 1 byte." + " Provided buffer is smaller.\");\n"
);
cb.Append("}\n");
cb.Append("if (b1[s1] != b2[s2]) {\n");
cb.Append("return (b1[s1]<b2[s2])? -1 : 0;\n");
cb.Append("}\n");
cb.Append("s1++; s2++; l1--; l2--;\n");
cb.Append("}\n");
}
public override void Write(CodeBuffer buf)
{
for (var i = 0; i < Exprs.Count; i++)
{
var expr = Exprs[i];
if (i == 0)
{
buf.AppendLine(expr.ToString());
continue;
}
buf.Append("|> ").AppendLine(expr);
}
}
internal override void GenCompareBytes(CodeBuffer cb)
{
cb.Append("{\n");
cb.Append("int i1 = org.apache.hadoop.record.Utils.readVInt(b1, s1);\n");
cb.Append("int i2 = org.apache.hadoop.record.Utils.readVInt(b2, s2);\n");
cb.Append("int z1 = org.apache.hadoop.record.Utils.getVIntSize(i1);\n");
cb.Append("int z2 = org.apache.hadoop.record.Utils.getVIntSize(i2);\n");
cb.Append("s1+=z1; s2+=z2; l1-=z1; l2-=z2;\n");
cb.Append("int r1 = org.apache.hadoop.record.Utils.compareBytes(b1,s1,i1,b2,s2,i2);\n"
);
cb.Append("if (r1 != 0) { return (r1<0)?-1:0; }\n");
cb.Append("s1+=i1; s2+=i2; l1-=i1; l1-=i2;\n");
cb.Append("}\n");
}
internal override void GenCompareBytes(CodeBuffer cb)
{
cb.Append("{\n");
cb.Append("if (l1<8 || l2<8) {\n");
cb.Append("throw new java.io.IOException(\"Double is exactly 8 bytes." + " Provided buffer is smaller.\");\n"
);
cb.Append("}\n");
cb.Append("double d1 = org.apache.hadoop.record.Utils.readDouble(b1, s1);\n");
cb.Append("double d2 = org.apache.hadoop.record.Utils.readDouble(b2, s2);\n");
cb.Append("if (d1 != d2) {\n");
cb.Append("return ((d1-d2) < 0) ? -1 : 0;\n");
cb.Append("}\n");
cb.Append("s1+=8; s2+=8; l1-=8; l2-=8;\n");
cb.Append("}\n");
}
internal override void GenCompareBytes(CodeBuffer cb)
{
cb.Append("{\n");
cb.Append("if (l1<4 || l2<4) {\n");
cb.Append("throw new java.io.IOException(\"Float is exactly 4 bytes." + " Provided buffer is smaller.\");\n"
);
cb.Append("}\n");
cb.Append("float f1 = org.apache.hadoop.record.Utils.readFloat(b1, s1);\n");
cb.Append("float f2 = org.apache.hadoop.record.Utils.readFloat(b2, s2);\n");
cb.Append("if (f1 != f2) {\n");
cb.Append("return ((f1-f2) < 0) ? -1 : 0;\n");
cb.Append("}\n");
cb.Append("s1+=4; s2+=4; l1-=4; l2-=4;\n");
cb.Append("}\n");
}
public override void Write(CodeBuffer buf)
{
buf.Append("type ").Append(Name).AppendLine(" =");
buf.Indented(() => {
for (var i = 0; i < Alternatives.Count; i++)
{
var altName = Alternatives[i];
if (i > 0)
{
buf.Append("| ").AppendLine(altName);
}
else
{
buf.Indented(() => buf.AppendLine(altName));
}
}
});
}
public override void Write(CodeBuffer buf)
{
buf.Append("type alias ").Append(Name).AppendLine(" =");
buf.Indented(() => {
var i = 0;
foreach (var field in Fields)
{
if (i == 0)
{
buf.Append("{ ");
}
else
{
buf.Append(", ");
}
buf.Append(field.Key).Append(" : ").AppendLine(field.Value);
i++;
}
buf.AppendLine("}");
});
}
internal override void GenHashCode(CodeBuffer cb, string fname)
{
cb.Append(Consts.RioPrefix + "ret = Float.floatToIntBits(" + fname + ");\n");
}
internal override void GenClone(CodeBuffer cb, string fname)
{
cb.Append(Consts.RioPrefix + "other." + fname + " = (" + this.GetType() + ") this."
+ fname + ".clone();\n");
}
public override void Write(CodeBuffer buf)
{
buf.Append("( ");
buf.Append(Elements.ConvertAll(e => e.ToString()).Join(", "));
buf.Append(" )");
}
internal override void GenHashCode(CodeBuffer cb, string fname)
{
string tmp = "Double.doubleToLongBits(" + fname + ")";
cb.Append(Consts.RioPrefix + "ret = (int)(" + tmp + "^(" + tmp + ">>>32));\n");
}
public override void Write(CodeBuffer buf)
{
buf.Append(Rator).Append(" ").Append(string.Join(' ', Rands.ConvertAll(n => $"({n})")));
}
internal override void GenEquals(CodeBuffer cb, string fname, string peer)
{
cb.Append(Consts.RioPrefix + "ret = " + fname + ".equals(" + peer + ");\n");
}
public override void Write(CodeBuffer buf)
{
buf.Append(Name);
}
internal override void GenHashCode(CodeBuffer cb, string fname)
{
cb.Append(Consts.RioPrefix + "ret = (" + fname + ")?0:1;\n");
}
internal override void GenCompareTo(CodeBuffer cb, string fname, string other)
{
cb.Append(Consts.RioPrefix + "ret = (" + fname + " == " + other + ")? 0 : (" + fname
+ "?1:-1);\n");
}
public override void Write(CodeBuffer buf)
{
buf.AppendLine($"(\\{string.Join(' ', Params)} ->");
buf.Indented(() => buf.AppendLine(Body));
buf.AppendLine(")");
}
public override void Write(CodeBuffer buf)
{
buf.Append($"\"{Content}\"");
}
internal override void GenHashCode(CodeBuffer cb, string fname)
{
cb.Append(Consts.RioPrefix + "ret = (int) (" + fname + "^(" + fname + ">>>32));\n"
);
}
internal override void GenClone(CodeBuffer cb, string fname)
{
cb.Append(Consts.RioPrefix + "other." + fname + " = this." + fname + ";\n");
}
public abstract void Write(CodeBuffer buf);
