/* This puts a character back into the input queue for the input File.
* Up to two characters may be ungotten.
*/
extern void cppUngetc (const int c)
{
Assert (Cpp.ungetch2 == '\0');
Cpp.ungetch2 = Cpp.ungetch;
Cpp.ungetch = c;
if (collectingSignature)
vStringChop (signature);
}
static void parseFunctionOrMethod (tokenInfo *const token)
{
// FunctionDecl = "func" identifier Signature [ Body ] .
// Body = Block.
//
// MethodDecl = "func" Receiver MethodName Signature [ Body ] .
// Receiver = "(" [ identifier ] [ "*" ] BaseTypeName ")" .
// BaseTypeName = identifier .
// Skip over receiver.
readToken (token);
if (isType (token, TOKEN_OPEN_PAREN))
skipToMatched (token);
if (isType (token, TOKEN_IDENTIFIER))
{
vString *argList;
tokenInfo *functionToken = copyToken (token);
// Start recording signature
signature = vStringNew ();
// Skip over parameters.
readToken (token);
skipToMatchedNoRead (token);
vStringStripLeading (signature);
vStringStripTrailing (signature);
argList = signature;
signature = vStringNew ();
readToken (token);
// Skip over result.
skipType (token);
// Remove the extra { we have just read
vStringStripTrailing (signature);
vStringChop (signature);
vStringStripLeading (signature);
vStringStripTrailing (signature);
makeTag (functionToken, GOTAG_FUNCTION, NULL, GOTAG_UNDEFINED, argList->buffer, signature->buffer);
deleteToken (functionToken);
vStringDelete(signature);
vStringDelete(argList);
// Stop recording signature
signature = NULL;
// Skip over function body.
if (isType (token, TOKEN_OPEN_CURLY))
skipToMatched (token);
}
}
static inline void ungetcAndCollect (int c)
{
ungetcToInputFile (c);
if (collectingSignature)
vStringChop (signature);
}
