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Added better error recovery

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2013 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2003-03-13 12:35:54 +00:00
parent 467d8ad9c5
commit c8d76046cb
1 changed files with 24 additions and 6 deletions
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30
src/cc65/stmt.c
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@ -74,22 +74,40 @@ static void CheckTok (token_t Tok, const char* Msg, int* PendingToken)
*/ */
{ {
if (CurTok.Tok != Tok) { if (CurTok.Tok != Tok) {
Error (Msg); Error (Msg);
} else if (PendingToken) { } else if (PendingToken) {
*PendingToken = 1; *PendingToken = 1;
} else { } else {
NextToken (); NextToken ();
} }
} }
static void CheckSemi (int* PendingToken) static void CheckSemi (int* PendingToken)
/* Helper function for Statement. Will call CheckTok with the parameters /* Helper function for Statement. Will check for a semicolon and print an
* for a semicolon. * error message if not found (plus some error recovery). If PendingToken is
* NULL, it will the skip the token, otherwise it will store one to
* PendingToken.
* This function is a special version of CheckTok with the addition of the
* error recovery.
*/ */
{ {
CheckTok (TOK_SEMI, "`;' expected", PendingToken); int HaveToken = (CurTok.Tok == TOK_SEMI);
if (!HaveToken) {
Error ("`;' expected");
/* Try to be smart about errors */
if (CurTok.Tok == TOK_COLON || CurTok.Tok == TOK_COMMA) {
HaveToken = 1;
}
}
if (HaveToken) {
if (PendingToken) {
*PendingToken = 1;
} else {
NextToken ();
}
}
} }