[antlr-interest] SQL2 and AST
kristoff_tempelaere
kristoff_tempelaere at yahoo.com.au
Mon Mar 8 19:44:00 PST 2004
Hello,
I'm a student, new to ANTLR and need it to create a SQL-parser, so I
used Lubos Vnuk's grammar (nice one!, only the DML-subset) and
generate C++ code with Visual Studio 6. I use the latest version
(20040225) of Ric Klaren...
With buildAst=false it works fine, also with buildAst=true I can
compile and build it, but when I run it, I get an "access violation"-
error. So there must be some (memory-allocating?)-error in the AST-
code.
Someone who knows how to fix this? Or did someone got it work with
another compiler? Maybe it can help if I give you the call stack
when the error occurs, so you find it below...
It would help me a lot, cos I really need the AST :-(
Kristoff Tempelaere
-------------------------- Call Stack -------------
std::vector<std::pair<char const *,antlr::ASTRefCount<antlr::AST>
(__cdecl*)(void)> *,std::allocator<std::pair<char const
*,antlr::ASTRefCount<antlr::AST> (__cdecl*)(void)> *> >::begin()
line 93 + 32 bytes
std::vector<std::pair<char const *,antlr::ASTRefCount<antlr::AST>
(__cdecl*)(void)> *,std::allocator<std::pair<char const
*,antlr::ASTRefCount<antlr::AST> (__cdecl*)(void)> *> >::operator[]
(unsigned int 232) line 132 + 37 bytes
antlr::ASTFactory::create(antlr::RefCount<antlr::Token> {...}) line
155 + 49 bytes
DmlSQL2Parser::query_spec() line 4991 + 50 bytes
DmlSQL2Parser::simple_table() line 4924
DmlSQL2Parser::query_primary() line 4898
DmlSQL2Parser::query_term() line 4786
DmlSQL2Parser::query_exp() line 579
DmlSQL2Parser::select_stmt() line 210
DmlSQL2Parser::sql_data_stmt() line 163
DmlSQL2Parser::sql_stmt() line 100
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