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 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 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");
}
}
void proc_decl(VarList curtree, String label)
{
Var procvar = new Var();
procvar.setName(label);
procvar.setType(Var.VAR_BLOCK);
procvar.setTypeId(Tok.TOK_VOID);
if (label == null) io.Abort("PL0116: PROC declaration needs LABEL");
io.Message(tok+"[PROC]");
tok.scan();
procvar.nodes = new VarList();
if (tok.getId() == Tok.TOK_1_LBRACKET) {
param(procvar.nodes);
procvar.setNodesType(Var.VAR_PARAM);
}
switch (tok.getId()) {
case Tok.TOK_RETURNS:
io.Message(tok+"[RETURNS]");
tok.scan();
if (tok.getId() != Tok.TOK_1_LBRACKET) io.Abort("PL0104: ')' expected.");
io.Message(tok+"[(]");
tok.scan();
switch (tok.getId()) {
case Tok.TOK_FIXED:
case Tok.TOK_FLOAT:
case Tok.TOK_COMPLEX:
case Tok.TOK_REAL:
case Tok.TOK_BINARY:
case Tok.TOK_DECIMAL:
io.Message(tok+"[Type]");
procvar.setTypeId(tok.getId());
break;
default:
io.Abort("PL0115: type specifier expected");
break;
}
tok.scan();
if (tok.getId() != Tok.TOK_1_RBRACKET) io.Abort("PL0114: ')' expected");
io.Message(tok+"[)]");
tok.scan();
break;
case Tok.TOK_RECURSIVE:
io.Message(tok+"[RECURSIVE]");
if (label.ToUpper() == "MAIN") io.Abort("PL0146: MAIN can not be RECURSIVE");
tok.scan();
break;
}
null_stmt();
emit.FuncBegin(procvar);
declarations(procvar.nodes);
VarList prms = procvar.getParams();
if (prms != null)
for (int i = 0; i < prms.Length(); i++)
if (prms.FindByIndex(i).getTypeId() == 0)
io.Abort("PL0117: undeclared parameter");
if (procvar.getLocals() != null) {
emit.LocalVars(procvar.getLocals());
}
try
{
curtree.add(procvar);
}
catch
{
io.Abort("PL0120: invalid procedure declaration");
}
do {
stmt(procvar.nodes, label, null);
} while (tok.getId() != Tok.TOK_END);
if (tok.getId() != Tok.TOK_END) io.Abort("PL0118: END expected");
io.Message(tok+"[END]");
tok.scan();
if (tok.getValue() != label) io.Abort("PL0119: unclosed PROC");
io.Message(tok+"[Label]");
tok.scan();
emit.Ret();
emit.FuncEnd();
if (io.getGenList()) emit.LIST();
emit.IL();
emit.Finish();
}
void proc_decl(VarList curtree, String label)
{
Var procvar = new Var();
procvar.setName(label);
procvar.setType(Var.VAR_BLOCK);
procvar.setTypeId(Tok.TOK_VOID);
if (label == null)
{
io.Abort("PL0116: PROC declaration needs LABEL");
}
io.Message(tok + "[PROC]");
tok.scan();
procvar.nodes = new VarList();
if (tok.getId() == Tok.TOK_1_LBRACKET)
{
param(procvar.nodes);
procvar.setNodesType(Var.VAR_PARAM);
}
switch (tok.getId())
{
case Tok.TOK_RETURNS:
io.Message(tok + "[RETURNS]");
tok.scan();
if (tok.getId() != Tok.TOK_1_LBRACKET)
{
io.Abort("PL0104: ')' expected.");
}
io.Message(tok + "[(]");
tok.scan();
switch (tok.getId())
{
case Tok.TOK_FIXED:
case Tok.TOK_FLOAT:
case Tok.TOK_COMPLEX:
case Tok.TOK_REAL:
case Tok.TOK_BINARY:
case Tok.TOK_DECIMAL:
io.Message(tok + "[Type]");
procvar.setTypeId(tok.getId());
break;
default:
io.Abort("PL0115: type specifier expected");
break;
}
tok.scan();
if (tok.getId() != Tok.TOK_1_RBRACKET)
{
io.Abort("PL0114: ')' expected");
}
io.Message(tok + "[)]");
tok.scan();
break;
case Tok.TOK_RECURSIVE:
io.Message(tok + "[RECURSIVE]");
if (label.ToUpper() == "MAIN")
{
io.Abort("PL0146: MAIN can not be RECURSIVE");
}
tok.scan();
break;
}
null_stmt();
emit.FuncBegin(procvar);
declarations(procvar.nodes);
VarList prms = procvar.getParams();
if (prms != null)
{
for (int i = 0; i < prms.Length(); i++)
{
if (prms.FindByIndex(i).getTypeId() == 0)
{
io.Abort("PL0117: undeclared parameter");
}
}
}
if (procvar.getLocals() != null)
{
emit.LocalVars(procvar.getLocals());
}
try
{
curtree.add(procvar);
}
catch
{
io.Abort("PL0120: invalid procedure declaration");
}
do
{
stmt(procvar.nodes, label, null);
} while (tok.getId() != Tok.TOK_END);
if (tok.getId() != Tok.TOK_END)
{
io.Abort("PL0118: END expected");
}
io.Message(tok + "[END]");
tok.scan();
if (tok.getValue() != label)
{
io.Abort("PL0119: unclosed PROC");
}
io.Message(tok + "[Label]");
tok.scan();
emit.Ret();
emit.FuncEnd();
if (io.getGenList())
{
emit.LIST();
}
emit.IL();
emit.Finish();
}
