void declFunc(Var e)
{
#if DEBUG
Console.WriteLine("declFunc token=[" + tok + "]\n");
#endif
CommentHolder(); // start new comment
e.setName(tok.getValue()); /* value is the function name */
if (e.getName().Equals("main"))
{
if (Io.gendll)
{
io.Abort("Using main entrypoint when generating a DLL");
}
mainseen = true;
}
staticvar.add(e); /* add function name to static VarList */
paramvar = paramList(); // track current param list
e.setParams(paramvar); // and set it in func var
localvar = new VarList(); // track new local parameters
CommentFillPreTok();
emit.FuncBegin(e);
if (tok.getFirstChar() != '{')
{
io.Abort("Expected '{'");
}
blockOuter(null, null);
emit.FuncEnd();
emit.IL();
if (Io.genlist)
{
emit.LIST();
}
emit.Finish();
}
VarList paramList()
{
VarList v;
tok.scan();
if (tok.getFirstChar() != '(')
io.Abort("Expected '('");
v = new VarList(); /* init the param list */
tok.scan(); /* get the next token */
while (tok.getFirstChar() != ')')
{
Var e = new Var();
e.setClassId(Tok.T_PARAM); /* mark this as a parameter */
dataType(e); /* get the specified datatype */
e.setName(tok.getValue()); /* copy the variable name */
v.add(e); /* add parameter to param list */
tok.scan();
if (tok.getFirstChar() == ',') /* if more params */
tok.scan(); /* get the next token */
}
tok.scan(); /* move to the next token */
return v;
}
/*
* declOuter presumes that class & type have already been parsed
* this is done to distinguish between a function declaration and a
* variable declaration
*/
void declOuter(Var e)
{
#if DEBUG
Console.WriteLine("declOuter1 token=["+tok+"]\n");
#endif
e.setName(tok.getValue()); /* use value as the variable name */
addOuter(e); /* add this variable */
emit.FieldDef(e); /* issue the declaration */
if (e.getClassId() == Tok.T_DEFCLASS)
e.setClassId(Tok.T_STATIC); /* make sure it knows its storage class */
/*
* loop while there are additional variable names
*/
while (io.getNextChar() == ',')
{
tok.scan();
if (tok.getFirstChar() != ',')
io.Abort("Expected ','");
tok.scan();
if (tok.getId() != Tok.T_IDENT)
io.Abort("Expected identifier");
e.setName(tok.getValue()); /* use value as the variable name */
addOuter(e); /* add this variable */
emit.FieldDef(e); /* issue the declaration */
if (e.getClassId() == Tok.T_DEFCLASS)
e.setClassId(Tok.T_STATIC); /* make sure it knows its storage class */
}
/*
* move beyond end of statement indicator
*/
tok.scan();
if (tok.getFirstChar() != ';')
io.Abort("Expected ';'");
CommentFill();
tok.scan();
#if DEBUG
Console.WriteLine("declOuter2 token=["+tok+"]\n");
#endif
}
void declFunc(Var e)
{
#if DEBUG
Console.WriteLine("declFunc token=["+tok+"]\n");
#endif
CommentHolder(); // start new comment
e.setName(tok.getValue()); /* value is the function name */
if (e.getName().Equals("main"))
{
if (Io.gendll)
io.Abort("Using main entrypoint when generating a DLL");
mainseen = true;
}
staticvar.add(e); /* add function name to static VarList */
paramvar = paramList(); // track current param list
e.setParams(paramvar); // and set it in func var
localvar = new VarList(); // track new local parameters
CommentFillPreTok();
emit.FuncBegin(e);
if (tok.getFirstChar() != '{')
io.Abort("Expected '{'");
blockOuter(null, null);
emit.FuncEnd();
emit.IL();
if (Io.genlist)
emit.LIST();
emit.Finish();
}
/*
* parse an inner declaration
*/
void declInner()
{
while (tok.IsDeclKeyword())
{
Var e = new Var();
#if DEBUG
Console.WriteLine("declInner1 token=["+tok+"]\n");
#endif
CommentHolder(); /* mark comment position in insn stream */
dataClass(e); // parse the data class (static, auto, etc)
dataType(e); // parse the type (int, unsigned, etc)
e.setName(tok.getValue()); // save the name in var
#if DEBUG
Console.WriteLine("declInner2.0 token=["+tok+"]\n");
Console.WriteLine("declInner2.0 e=["+e+"]\n");
#endif
addInner(e); /* add this variable */
/*
* loop while there are additional variable names
*/
while (io.getNextChar() == ',')
{
tok.scan();
if (tok.getFirstChar() != ',')
io.Abort("Expected ','");
tok.scan();
if (tok.getId() != Tok.T_IDENT)
io.Abort("Expected identifier");
e.setName(tok.getValue()); /* use value as the variable name */
#if DEBUG
Console.WriteLine("declInner2.1 token=["+tok+"]\n");
Console.WriteLine("declInner2.1 e=["+e+"]\n");
#endif
addInner(e); /* reuse the class & type */
}
/*
* move beyond end of statement indicator
*/
tok.scan();
if (tok.getFirstChar() != ';')
io.Abort("Expected ';'");
CommentFill();
tok.scan(); /* get token ready nor next parser step */
#if DEBUG
Console.WriteLine("declInner3 token=["+tok+"]\n");
#endif
}
}