std::list<toSQLParse::statement> toSQLParse::parse(tokenizer &tokens)
{
std::list<toSQLParse::statement> ret;
statement cur(statement::Statement);
for (cur = parseStatement(tokens, false, false);
cur.subTokens().begin() != cur.subTokens().end();
cur = parseStatement(tokens, false, false))
{
if (cur.Type == statement::List)
{
QMessageBox::warning(QApplication::activeWindow(), "Sqliteman",
"toSQLparse: Unbalanced parenthesis (Too many ')')");
}
ret.insert(ret.end(), cur);
}
QString str = tokens.remaining(false);
if (!str.isEmpty())
ret.insert(ret.end(), statement(statement::Raw,
str, tokens.line()));
return ret;
}
/*#define TOPARSE_DEBUG
#include <QtDebug>*/
toSQLParse::statement toSQLParse::parseStatement(tokenizer &tokens, bool declare, bool lst)
{
statement ret(statement::Statement);
// toSyntaxAnalyzer &syntax = tokens.analyzer();
QString first;
QString realfirst;
bool nokey = false;
bool block = false;
for (QString token = tokens.getToken(true, true);
!token.isNull();
token = tokens.getToken(true, true))
{
QString upp = token.toUpper();
if (first.isNull() && !token.startsWith(("/*")) && !token.startsWith("--") && !token.startsWith("//"))
realfirst = first = upp;
#ifdef TOPARSE_DEBUG
printf("%s (%d)\n", (const char*)token.toUtf8(), tokens.line());
printf(" %s - %s\n", (const char*)first.toUtf8(), (const char*)realfirst.toUtf8());
#endif
// SQLITEMAN
if (upp == ("PROCEDURE") ||
upp == ("FUNCTION") ||
upp == ("PACKAGE"))
{
// qDebug() << "PROCEDURE";
block = true;
}
if (upp == ("SELF"))
{
// qDebug() << "SELF";
block = false;
}
if (upp == "BEGIN" && (first.isNull() || first == "BEGIN"))
{
// qDebug() << "plain BEGIN";
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Keyword, token, tokens.line()));
nokey = false;
}
else if (first != ("END") && ((first == ("IF") && upp == ("THEN")) ||
upp == ("LOOP") ||
upp == ("DO") ||
(/*syntax.declareBlock()*/true && upp == ("DECLARE")) ||
(block && upp == ("AS")) ||
(block && upp == ("IS")) ||
((!declare || block) && upp == ("BEGIN"))))
{
// qDebug() << "first != (\"END\") ";
block = false;
statement blk(statement::Block);
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Keyword, token, tokens.line()));
blk.subTokens().insert(blk.subTokens().end(), ret);
statement cur(statement::Statement);
bool dcl = (upp == ("DECLARE") || upp == ("IS") || upp == ("AS"));
do
{
cur = parseStatement(tokens, dcl, false);
if (cur.Type == statement::List)
{
QMessageBox::warning(QApplication::activeWindow(), "Sqliteman",
"toSQLparse: Unbalanced parenthesis (Too many ')')");
}
blk.subTokens().insert(blk.subTokens().end(), cur);
if (cur.subTokens().begin() != cur.subTokens().end() &&
(*(cur.subTokens().begin())).String.toUpper() == ("BEGIN"))
dcl = false;
}
while (cur.subTokens().begin() != cur.subTokens().end() &&
(*cur.subTokens().begin()).String.toUpper() != ("END"));
return blk;
}
else if (((first == "IF" && upp == "THEN") ||
(first == "WHEN" && upp == "THEN") ||
(first == "ELSIF" && upp == "THEN") ||
upp == ("BEGIN") ||
upp == ("EXCEPTION") ||
first == ("ELSE")) && !lst)
{
// qDebug() << "else if first==IF";
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Keyword, token, tokens.line()));
return ret;
}
else if (first == ("ASSIGN") ||
first == ("SET") ||
first == ("PROMPT") ||
first == ("COLUMN") ||
first == ("SPOOL") ||
first == ("STORE") ||
first == ("REMARK") ||
first == ("REM"))
{
// qDebug() << "ASSIGN";
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Keyword, token, tokens.line()));
int line = tokens.line();
int offset = tokens.offset();
for (QString tmp = tokens.getToken(true, true);line == tokens.line();tmp = tokens.getToken(true, true))
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Token, tmp, line));
tokens.setLine(line);
tokens.setOffset(offset);
tokens.remaining(true);
return ret;
}
else if (upp == (",") ||
// if (upp == (",") ||
// (syntax.reservedWord(upp) &&
(isKeyword(upp) &&
upp != ("NOT") &&
upp != ("IS") &&
upp != ("LIKE") &&
upp != ("IN") &&
upp != ("ELSE") &&
upp != ("ELSIF") &&
upp != ("END") &&
upp != ("BETWEEN") &&
upp != ("ASC") &&
upp != ("DESC") &&
upp != ("NULL")) && !nokey)
{
}
else if (upp == ("("))
{
// qDebug() << "start (";
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Token, token, tokens.line()));
statement lst = parseStatement(tokens, false, true);
statement t = toPop(lst.subTokens());
if (lst.Type != statement::List)
{
QMessageBox::warning(QApplication::activeWindow(), "Sqliteman",
"toSQLparse: Unbalanced parenthesis (Too many '(')");
}
nokey = false;
if (first == ("CREATE") && !block)
{
statement end = parseStatement(tokens, false, true);
statement blk(statement::Block);
blk.subTokens().insert(blk.subTokens().end(), ret);
blk.subTokens().insert(blk.subTokens().end(), lst);
end.subTokens().insert(end.subTokens().begin(), t);
blk.subTokens().insert(blk.subTokens().end(), end);
return blk;
}
else
{
ret.subTokens().insert(ret.subTokens().end(), lst);
ret.subTokens().insert(ret.subTokens().end(), t);
}
}
else if (upp == (")"))
{
// qDebug() << "end )";
ret.Type = statement::List;
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Token, token, tokens.line()));
return ret;
}
else if (upp == (";"))
{
// qDebug() << "bodkociarka";
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Token, token, tokens.line()));
return ret;
}
else if (upp.startsWith(("/*+")) || upp.startsWith(("--+")))
{
// qDebug() << "hint --+";
QString com = token;
if (com.startsWith(("--+")))
com = ("/*+ ") + com.mid(3) + (" */");
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Token,
com.simplified(), tokens.line()));
}
else if (upp.startsWith(("/*")) || upp.startsWith(("--")) || upp.startsWith("//"))
{
// qDebug() << "comment";
if ( ret.subTokens().empty() )
{
if (ret.Comment.isNull())
ret.Comment = token;
else
ret.Comment += ("\n") + token;
}
else
{
QString &com = (*ret.subTokens().rbegin()).Comment;
if (com.isEmpty())
com = token;
else
com += ("\n") + token;
}
}
else
{
// qDebug() << "plain else" <<token<< tokens.line();
ret.subTokens().insert(ret.subTokens().end(), statement(statement::Token, token, tokens.line()));
nokey = (token == ("."));
}
if (upp == ("AS") || upp == ("IS"))
{
// qDebug() << "setting first: " << upp;
first = upp;
}
else if (first == ("IS") && upp == ("NULL"))
{
// qDebug() << "setting first (real): " << realfirst;
first = realfirst;
}
}
return ret;
}