// #pragma 'align' '=' {'native','natural','mac68k','power','reset'}
// #pragma 'options 'align' '=' {'native','natural','mac68k','power','reset'}
static void ParseAlignPragma(Sema &Actions, Preprocessor &PP, Token &FirstTok,
bool IsOptions) {
Token Tok;
if (IsOptions) {
PP.Lex(Tok);
if (Tok.isNot(tok::identifier) ||
!Tok.getIdentifierInfo()->isStr("align")) {
PP.Diag(Tok.getLocation(), diag::warn_pragma_options_expected_align);
return;
}
}
PP.Lex(Tok);
if (Tok.isNot(tok::equal)) {
PP.Diag(Tok.getLocation(), diag::warn_pragma_align_expected_equal)
<< IsOptions;
return;
}
PP.Lex(Tok);
if (Tok.isNot(tok::identifier)) {
PP.Diag(Tok.getLocation(), diag::warn_pragma_expected_identifier)
<< (IsOptions ? "options" : "align");
return;
}
Sema::PragmaOptionsAlignKind Kind = Sema::POAK_Natural;
const IdentifierInfo *II = Tok.getIdentifierInfo();
if (II->isStr("native"))
Kind = Sema::POAK_Native;
else if (II->isStr("natural"))
Kind = Sema::POAK_Natural;
else if (II->isStr("packed"))
Kind = Sema::POAK_Packed;
else if (II->isStr("power"))
Kind = Sema::POAK_Power;
else if (II->isStr("mac68k"))
Kind = Sema::POAK_Mac68k;
else if (II->isStr("reset"))
Kind = Sema::POAK_Reset;
else {
PP.Diag(Tok.getLocation(), diag::warn_pragma_align_invalid_option)
<< IsOptions;
return;
}
SourceLocation KindLoc = Tok.getLocation();
PP.Lex(Tok);
if (Tok.isNot(tok::eod)) {
PP.Diag(Tok.getLocation(), diag::warn_pragma_extra_tokens_at_eol)
<< (IsOptions ? "options" : "align");
return;
}
Actions.ActOnPragmaOptionsAlign(Kind, FirstTok.getLocation(), KindLoc);
}
