public void LoadConst(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
int value = Convert.ToInt32(a.getInsn());
sb.Append("\tldc.i4");
if (value > 127 || value < -128)
{
sb.Append(" ");
}
else if (value > 8 || value < -1)
{
sb.Append(".s ");
}
else
{
sb.Append(".");
}
sb.Append(a.getInsn());
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void FieldDef(IAsm a)
{
Var e = a.getVar();
String prefix = "";
switch (e.getClassId())
{
case Tok.T_STATIC:
prefix = "\t.field ";
break;
case Tok.T_AUTO:
case Tok.T_DEFCLASS:
prefix = "\t.field ";
break;
default:
io.Abort("PL0407: unhandled field def type");
break;
}
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append(prefix);
sb.Append(genDataTypeSig(e));
sb.Append(" ");
sb.Append(e.getName());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void LoadConst(IAsm a)
{
int value = Convert.ToInt32(a.getInsn());
if (value > 127 || value < -128)
{
il.Emit(OpCodes.Ldc_I4, value);
}
else if (value > 8 || value < -1)
{
il.Emit(OpCodes.Ldc_I4_S, Convert.ToSByte(value));
}
else if (value == -1)
{
il.Emit(OpCodes.Ldc_I4_M1);
}
else
{
Object o = opcodehash["ldc.i4." + a.getInsn()];
if (o == null)
{
io.ICE("could not find opcode for (ldc.i4." + a.getInsn() + ")");
}
il.Emit((OpCode)o);
}
}
public void Label(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append(a.getLabel());
sb.Append(":\r\n");
io.Out(sb.ToString());
}
public void Branch(IAsm a)
{
Object o = opcodehash[a.getInsn()];
if (o == null) io.ICE("instruction branch opcode (" + a.getInsn() + ") not found in hash");
il.Emit((OpCode) o, (Label) getILLabel(a));
}
public void Ret(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append("\tret\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void Insn(IAsm a)
{
Object o = opcodehash[a.getInsn()];
if (o == null)
{
io.ICE("instruction opcode (" + a.getInsn() + ") not found in hash");
}
il.Emit((OpCode)o);
}
public void Branch(IAsm a)
{
Object o = opcodehash[a.getInsn()];
if (o == null)
{
io.ICE("instruction branch opcode (" + a.getInsn() + ") not found in hash");
}
il.Emit((OpCode)o, (Label)getILLabel(a));
}
private Object getILLabel(IAsm a)
{
String s = a.getLabel();
Object l = labelhash[s];
if (l == null)
{
l = (Object)il.DefineLabel();
labelhash[s] = l;
}
return(l);
}
public void Branch(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append("\t");
sb.Append(a.getInsn());
sb.Append(" ");
sb.Append(a.getLabel());
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void Call(IAsm a)
{
Var func = a.getVar();
LibFunc lfunc;
String funcsig = genDataTypeSig(a.getVar());
VarList x = func.getParams();
String paramsig = "";
if (x.Length() > 0)
{
int max = x.Length();
StringBuilder t = new StringBuilder(Io.MAXSTR);
for (int i = 0; i < max; i++)
{
Var e = x.FindByIndex(i);
t.Append(genDataTypeSig(e));
if (i < max - 1)
{
t.Append(",");
}
}
paramsig = t.ToString();
}
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append("\tcall ");
sb.Append(funcsig);
sb.Append(" ");
lfunc = lib.lookup_func(a.getVar().getName());
if (lfunc != null)
{
sb.Append(lfunc.nameFull);
}
else
{
sb.Append(io.GetClassname());
sb.Append("::");
sb.Append(func.getName());
sb.Append("(");
sb.Append(paramsig);
sb.Append(")");
}
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void Branch(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append("\t");
sb.Append(a.getInsn());
sb.Append(" ");
sb.Append(a.getLabel());
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void Call(IAsm a)
{
Var func = a.getVar();
Object o = func.getMethodBuilder();
LibFunc lfunc = lib.lookup_func(a.getVar().getName());
if (lfunc != null) {
il.Emit(OpCodes.Call, lfunc.methodInfo);
} else {
if (o == null) io.ICE("no previous extern for (" + func.getName() + ")");
MethodBuilder mb = (MethodBuilder) o;
il.Emit(OpCodes.Call, mb);
}
}
public void Load(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
Var e = a.getVar();
if (e == null)
{
io.Abort("PL0402: load instruction with no variable ptr");
}
switch (e.getClassId())
{
case Tok.T_STATIC:
sb.Append("\tldsfld ");
sb.Append(genFieldRef(e));
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append(", ");
sb.Append(e.getName());
sb.Append("\r\n");
break;
case Tok.T_AUTO:
case Tok.T_DEFCLASS:
sb.Append("\tldloc ");
sb.Append(e.getIndex());
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append(", ");
sb.Append(e.getName());
sb.Append("\r\n");
break;
case Tok.T_PARAM:
sb.Append("\tldarg ");
sb.Append(e.getIndex());
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append(", ");
sb.Append(e.getName());
sb.Append("\r\n");
break;
default:
io.Abort("PL0403: instruction load of unknown class (" + e.getClassId() + ")");
break;
}
io.Out(sb.ToString());
}
public void FieldDef(IAsm a)
{
Var e = a.getVar();
FieldAttributes attr = FieldAttributes.Private;
if (e.getClassId() == Tok.T_STATIC)
{
attr |= FieldAttributes.Static;
}
Type t = genDataTypeSig(e); /* gen type info */
FieldBuilder f = eclass.DefineField(e.getName(), t, attr);
e.setFieldBuilder((Object)f);
}
void NextInsn(int incr)
{
int ncount = 0;
if (iroot == null)
{
icur = iroot = new IAsm();
}
else
{
ncount = icur.getICount() + incr;
icur.setNext(new IAsm());
icur = icur.getNext();
}
icur.setICount(ncount);
}
public void Call(IAsm a)
{
Var func = a.getVar();
LibFunc lfunc;
String funcsig = genDataTypeSig(a.getVar());
VarList x = func.getParams();
String paramsig = "";
if (x.Length() > 0) {
int max = x.Length();
StringBuilder t = new StringBuilder(Io.MAXSTR);
for (int i = 0; i < max; i++) {
Var e = x.FindByIndex(i);
t.Append(genDataTypeSig(e));
if (i < max-1) t.Append(",");
}
paramsig = t.ToString();
}
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append("\tcall ");
sb.Append(funcsig);
sb.Append(" ");
lfunc = lib.lookup_func(a.getVar().getName());
if (lfunc != null) {
sb.Append(lfunc.nameFull);
} else {
sb.Append(io.GetClassname());
sb.Append("::");
sb.Append(func.getName());
sb.Append("(");
sb.Append(paramsig);
sb.Append(")");
}
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void Call(IAsm a)
{
Var func = a.getVar();
Object o = func.getMethodBuilder();
LibFunc lfunc = lib.lookup_func(a.getVar().getName());
if (lfunc != null)
{
il.Emit(OpCodes.Call, lfunc.methodInfo);
}
else
{
if (o == null)
{
io.ICE("no previous extern for (" + func.getName() + ")");
}
MethodBuilder mb = (MethodBuilder)o;
il.Emit(OpCodes.Call, mb);
}
}
public void FuncBegin(IAsm a)
{
Var func = a.getVar();
String funcsig = genDataTypeSig(a.getVar());
VarList x = func.getParams();
String paramsig = "";
if (x.Length() > 0)
{
int max = x.Length();
StringBuilder t = new StringBuilder(Io.MAXSTR);
for (int i = 0; i < max; i++)
{
Var e = x.FindByIndex(i);
t.Append(genDataTypeSig(e));
if (i < max - 1)
{
t.Append(",");
}
}
paramsig = t.ToString();
}
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append("\t.method public ");
sb.Append("static ");
sb.Append(funcsig);
sb.Append(" ");
sb.Append(func.getName());
sb.Append("(");
sb.Append(paramsig);
sb.Append(") {\r\n");
io.Out(sb.ToString());
if (func.getName().ToLower().Equals("main"))
{
io.Out("\t.entrypoint\r\n");
}
}
public void FuncBegin(IAsm a)
{
Var func = a.getVar();
Type funcsig = genDataTypeSig(a.getVar());
VarList paramlist = func.getParams();
Type[] paramTypes = null;
if (paramlist.Length() > 0)
{
int max = paramlist.Length();
paramTypes = new Type[max];
for (int i = 0; i < max; i++)
{
Var e = paramlist.FindByIndex(i);
paramTypes[i] = genDataTypeSig(e);
}
}
emethod = eclass.DefineMethod(func.getName(),
MethodAttributes.Static | MethodAttributes.Public,
funcsig, paramTypes);
func.setMethodBuilder(emethod);
for (int i = 0; i < paramlist.Length(); i++)
{
emethod.DefineParameter(i + 1, 0, paramlist.FindByIndex(i).getName());
}
il = emethod.GetILGenerator();
if (func.getName().ToLower().Equals("main"))
{
appbuild.SetEntryPoint(emethod);
}
// emodule.SetUserEntryPoint(emethod);
labelhash = new Hashtable();
}
private bool IsNextNonInsnGen(IAsm a)
{
IAsm cur = a.getNext();
if (cur == null)
{
return(true);
}
int type = cur.getIType();
while (type == IAsm.I_LABEL)
{
cur = cur.getNext();
type = cur.getIType();
}
if (type == IAsm.I_COMMENT)
{
return(true);
}
return(false);
}
public void setNext(IAsm n)
{
next = n;
}
public void Ret(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append("\tret\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void Label(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append(a.getLabel());
sb.Append(":\r\n");
io.Out(sb.ToString());
}
void NextInsn(int incr)
{
int ncount = 0;
if (iroot == null) {
icur = iroot = new IAsm();
} else {
ncount = icur.getICount() + incr;
icur.setNext(new IAsm());
icur = icur.getNext();
}
icur.setICount(ncount);
}
public void LoadConst(IAsm a)
{
int value = Convert.ToInt32(a.getInsn());
if (value > 127 || value < -128) {
il.Emit(OpCodes.Ldc_I4, value);
} else if (value > 8 || value < -1) {
il.Emit(OpCodes.Ldc_I4_S, Convert.ToSByte(value));
} else if (value == -1) {
il.Emit(OpCodes.Ldc_I4_M1);
} else {
Object o = opcodehash["ldc.i4."+a.getInsn()];
if (o == null) io.ICE("could not find opcode for (ldc.i4." + a.getInsn() + ")");
il.Emit((OpCode) o);
}
}
public void Load(IAsm a)
{
Var e = a.getVar();
genLoad(e);
}
public void Store(IAsm a)
{
if (a.getVar() == null)
{
io.ICE("store instruction with no variable ptr");
}
Var e = localvars.FindByName(a.getVar().getName());
if (e == null)
{
e = a.getVar();
}
int id = e.getClassId();
if (e.getLocalToken() != null)
{
LocalBuilder lt = (LocalBuilder)e.getLocalToken();
il.Emit(OpCodes.Stloc, lt);
}
else
{
if (e.getFieldBuilder() != null)
{
FieldBuilder fb = (FieldBuilder)e.getFieldBuilder();
if (id == Tok.T_STATIC)
{
il.Emit(OpCodes.Stsfld, fb);
}
else
{
il.Emit(OpCodes.Stfld, fb);
}
}
else
{
int index = e.getIndex();
if (id == Tok.T_PARAM)
{
if (index <= 256)
{
il.Emit(OpCodes.Starg_S, index);
}
else
{
il.Emit(OpCodes.Starg, index);
}
}
else
{
if (id == Tok.T_AUTO || id == Tok.T_DEFCLASS)
{
il.Emit(OpCodes.Stloc, index);
}
else
{
io.ICE("instruction load of unknown class (" + e.getClassId() + ")");
}
}
}
}
}
public void LIST()
{
IAsm a = iroot;
IAsm p;
Asm x = new Asm(io, lib);
while (a != null)
{
switch (a.getIType())
{
case IAsm.I_INSN:
x.Insn(a);
break;
case IAsm.I_LABEL:
x.Label(a);
break;
case IAsm.I_BRANCH:
x.Branch(a);
break;
case IAsm.I_INSN_STORE:
x.Store(a);
break;
case IAsm.I_INSN_LOAD:
x.Load(a);
break;
case IAsm.I_INSN_LOAD_CONST:
x.LoadConst(a);
break;
case IAsm.I_FUNC_BEGIN:
x.FuncBegin(a);
break;
case IAsm.I_FUNC_END:
x.FuncEnd();
break;
case IAsm.I_CALL:
x.Call(a);
break;
case IAsm.I_RET:
x.Ret(a);
break;
case IAsm.I_COMMENT:
break;
case IAsm.I_FIELD:
x.FieldDef(a);
break;
case IAsm.I_LOCALDEF:
x.LocalVars(localvars);
break;
default:
io.Abort("PL0302: unhandled instruction type " + a.getIType());
break;
}
p = a;
a = a.getNext();
}
}
public void FieldDef(IAsm a)
{
Var e = a.getVar();
String prefix = "";
switch (e.getClassId()) {
case Tok.T_STATIC:
prefix = "\t.field ";
break;
case Tok.T_AUTO:
case Tok.T_DEFCLASS:
prefix = "\t.field ";
break;
default:
io.Abort("PL0407: unhandled field def type");
break;
}
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append(prefix);
sb.Append(genDataTypeSig(e));
sb.Append(" ");
sb.Append(e.getName());
sb.Append("\r\n");
io.Out(sb.ToString());
}
public void FieldDef(IAsm a)
{
Var e = a.getVar();
FieldAttributes attr = FieldAttributes.Private;
if (e.getClassId() == Tok.T_STATIC)
attr |= FieldAttributes.Static;
Type t = genDataTypeSig(e); /* gen type info */
FieldBuilder f = eclass.DefineField(e.getName(), t, attr);
e.setFieldBuilder((Object) f);
}
public void Ret(IAsm a)
{
il.Emit(OpCodes.Ret);
}
public void setNext(IAsm n)
{
next = n;
}
public void Finish()
{
iroot = icur = null;
}
public void Ret(IAsm a)
{
il.Emit(OpCodes.Ret);
}
public void FuncBegin(IAsm a)
{
Var func = a.getVar();
String funcsig = genDataTypeSig(a.getVar());
VarList x = func.getParams();
String paramsig = "";
if (x.Length() > 0) {
int max = x.Length();
StringBuilder t = new StringBuilder(Io.MAXSTR);
for (int i = 0; i < max; i++) {
Var e = x.FindByIndex(i);
t.Append(genDataTypeSig(e));
if (i < max-1) t.Append(",");
}
paramsig = t.ToString();
}
StringBuilder sb = new StringBuilder(Io.MAXSTR);
sb.Append("\t.method public ");
sb.Append("static ");
sb.Append(funcsig);
sb.Append(" ");
sb.Append(func.getName());
sb.Append("(");
sb.Append(paramsig);
sb.Append(") {\r\n");
io.Out(sb.ToString());
if (func.getName().ToLower().Equals("main"))
io.Out("\t.entrypoint\r\n");
}
public void Store(IAsm a)
{
if (a.getVar() == null) io.ICE("store instruction with no variable ptr");
Var e = localvars.FindByName(a.getVar().getName());
if (e == null) e = a.getVar();
int id = e.getClassId();
if (e.getLocalToken() != null) {
LocalBuilder lt = (LocalBuilder) e.getLocalToken();
il.Emit(OpCodes.Stloc, lt);
} else {
if (e.getFieldBuilder() != null) {
FieldBuilder fb = (FieldBuilder) e.getFieldBuilder();
if (id == Tok.T_STATIC) il.Emit(OpCodes.Stsfld, fb);
else il.Emit(OpCodes.Stfld, fb);
} else {
int index = e.getIndex();
if (id == Tok.T_PARAM) {
if (index <= 256) il.Emit(OpCodes.Starg_S, index);
else il.Emit(OpCodes.Starg, index);
} else {
if (id == Tok.T_AUTO || id == Tok.T_DEFCLASS) il.Emit(OpCodes.Stloc, index);
else io.ICE("instruction load of unknown class (" + e.getClassId()+")");
}
}
}
}
public void LoadConst(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
int value = Convert.ToInt32(a.getInsn());
sb.Append("\tldc.i4");
if (value > 127 || value < -128) {
sb.Append(" ");
} else if (value > 8 || value < -1) {
sb.Append(".s ");
} else {
sb.Append(".");
}
sb.Append(a.getInsn());
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append("\r\n");
io.Out(sb.ToString());
}
private Object getILLabel(IAsm a)
{
String s = a.getLabel();
Object l = labelhash[s];
if (l == null) {
l = (Object) il.DefineLabel();
labelhash[s] = l;
}
return l;
}
public void Store(IAsm a)
{
StringBuilder sb = new StringBuilder(Io.MAXSTR);
Var e = a.getVar();
if (e == null) {
io.Abort("PL0404: store instruction with no variable ptr");
}
switch (e.getClassId()) {
case Tok.T_STATIC:
sb.Append("\tstsfld ");
sb.Append(genFieldRef(e));
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append(", ");
sb.Append(e.getName());
sb.Append("\r\n");
break;
case Tok.T_AUTO:
case Tok.T_DEFCLASS:
sb.Append("\tstloc ");
sb.Append(e.getIndex());
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append(", ");
sb.Append(e.getName());
sb.Append("\r\n");
break;
case Tok.T_PARAM:
sb.Append("\tstarg ");
sb.Append(e.getIndex());
sb.Append("\t\t\t\t\t//");
sb.Append(a.getICount());
sb.Append(", ");
sb.Append(e.getName());
sb.Append("\r\n");
break;
default:
io.Abort("PL0405: instruction load of unknown class (" + e.getClassId() + ")");
break;
}
io.Out(sb.ToString());
}
private bool IsNextNonInsnGen(IAsm a)
{
IAsm cur = a.getNext();
if (cur == null) return true;
int type = cur.getIType();
while (type == IAsm.I_LABEL) {
cur = cur.getNext();
type = cur.getIType();
}
if (type == IAsm.I_COMMENT) return true;
return false;
}
public void FuncBegin(IAsm a)
{
Var func = a.getVar();
Type funcsig = genDataTypeSig(a.getVar());
VarList paramlist = func.getParams();
Type[] paramTypes = null;
if (paramlist.Length() > 0) {
int max = paramlist.Length();
paramTypes = new Type[max];
for (int i = 0; i < max; i++) {
Var e = paramlist.FindByIndex(i);
paramTypes[i] = genDataTypeSig(e);
}
}
emethod = eclass.DefineMethod(func.getName(),
MethodAttributes.Static|MethodAttributes.Public,
funcsig, paramTypes);
func.setMethodBuilder(emethod);
for (int i = 0; i < paramlist.Length(); i++)
emethod.DefineParameter(i+1, 0, paramlist.FindByIndex(i).getName());
il = emethod.GetILGenerator();
if (func.getName().ToLower().Equals("main"))
appbuild.SetEntryPoint(emethod);
// emodule.SetUserEntryPoint(emethod);
labelhash = new Hashtable();
}
public void Label(IAsm a)
{
il.MarkLabel((Label)getILLabel(a));
}
public void Finish()
{
iroot = icur = null;
}
public void Insn(IAsm a)
{
Object o = opcodehash[a.getInsn()];
if (o == null) io.ICE("instruction opcode (" + a.getInsn() + ") not found in hash");
il.Emit((OpCode) o);
}
public void Label(IAsm a)
{
il.MarkLabel((Label) getILLabel(a));
}
public void Load(IAsm a)
{
Var e = a.getVar();
genLoad(e);
}
