bool _InitGlobals() throw()
{
CallResult cr;
//mutex
cr = GET_SA_GLOBAL_VARIABLE(g_mutex).Init();
if( cr.IsFailed() )
return false;
//crt
IMemoryManager* pMgr = get_crt_mem_mgr();
//spb
GET_SA_GLOBAL_VARIABLE(g_spb_pool).SetMemoryManager(pMgr);
//sab
GET_SA_GLOBAL_VARIABLE(g_sab_pool).SetMemoryManager(pMgr);
//scb
GET_SA_GLOBAL_VARIABLE(g_scb_pool).SetMemoryManager(pMgr);
return true;
}
CallResult _Generate_Lexer_Tables(const ShareCom<ITextStream>& sp, TokenTable& tokenTable, FsaTable& fsaTable)
{
CallResult cr;
//lexer
_LdfLexerParser lexer;
cr = lexer.Initialize(); //may throw
if( cr.IsFailed() )
return cr;
//actions
{
ShareCom<_ILexerAction> spMacroToken;
cr = _Create_MacroTokenAction(spMacroToken);
if( cr.IsFailed() )
return cr;
lexer.SetAction(DECLARE_TEMP_CONST_STRING(ConstStringA, "TK_MACRO"), spMacroToken); //may throw
lexer.SetAction(DECLARE_TEMP_CONST_STRING(ConstStringA, "TK_TOKEN"), spMacroToken); //may throw
} //end block
//stream
lexer.SetStream(sp);
//grammar
_LdfGrammarParser grammar;
grammar.SetLexerParser(lexer.GetLexerParser());
//nonterminal
TokenTable nt_table;
uint uID = 101;
nt_table.InsertToken(DECLARE_TEMP_CONST_STRING(ConstStringA, "lex_def"), uID ++); //may throw
nt_table.InsertToken(DECLARE_TEMP_CONST_STRING(ConstStringA, "rule_block"), uID ++); //may throw
nt_table.InsertToken(DECLARE_TEMP_CONST_STRING(ConstStringA, "id"), uID ++); //may throw
nt_table.Finish(); //may throw
grammar.SetNonterminalTable(RefPtr<TokenTable>(nt_table));
//reduction action table for lex file
TokenTable ra_table;
uID = 1;
ra_table.InsertToken(DECLARE_TEMP_CONST_STRING(ConstStringA, "do_ref"), uID ++); //may throw
ra_table.InsertToken(DECLARE_TEMP_CONST_STRING(ConstStringA, "do_rule_block_id"), uID ++); //may throw
ra_table.InsertToken(DECLARE_TEMP_CONST_STRING(ConstStringA, "do_rule_id"), uID ++); //may throw
ra_table.InsertToken(DECLARE_TEMP_CONST_STRING(ConstStringA, "do_id_token"), uID ++); //may throw
ra_table.InsertToken(DECLARE_TEMP_CONST_STRING(ConstStringA, "do_id_macro"), uID ++); //may throw
ra_table.Finish(); //may throw
grammar.SetReductionActionTable(RefPtr<TokenTable>(ra_table));
//pda table
grammar.SetPdaTable(LdfLexPdaTraits::GetTable());
//factory
{
ShareCom<IComFactory> spCF;
_BasicSymbolDataFactory_Create(spCF, cr);
if( cr.IsFailed() )
return cr;
grammar.SetFactory(DECLARE_TEMP_CONST_STRING(ConstStringA, "TK_SEP"), spCF); //may throw
grammar.SetFactory(DECLARE_TEMP_CONST_STRING(ConstStringA, "TK_TOKEN"), spCF); //may throw
grammar.SetFactory(DECLARE_TEMP_CONST_STRING(ConstStringA, "TK_MACRO"), spCF); //may throw
grammar.SetFactory(DECLARE_TEMP_CONST_STRING(ConstStringA, "lex_def"), spCF); //may throw
grammar.SetFactory(DECLARE_TEMP_CONST_STRING(ConstStringA, "rule_block"), spCF); //may throw
grammar.SetFactory(DECLARE_TEMP_CONST_STRING(ConstStringA, "id"), spCF); //may throw
} //end block
//data
_Lex_Data lex_data(tokenTable);
lex_data.Init(); //may throw
//actions
{
ShareCom<_IGrammarAction> spAction;
//DoIdToken
cr = _Create_DoIdTokenMacroAction(spAction);
if( cr.IsFailed() )
return cr;
ShareCom<_I_IdTokenMacroAction_Utility> spUtility;
_COMPONENT_INSTANCE_INTERFACE(_IGrammarAction, _I_IdTokenMacroAction_Utility, spAction, spUtility, cr);
assert( cr.IsSucceeded() );
spUtility.Deref().SetOutput(lex_data.GetTokenTable(), lex_data.GetTokenRegex(), lex_data.GetTokenId());
grammar.SetAction(DECLARE_TEMP_CONST_STRING(ConstStringA, "do_id_token"), spAction); //may throw
//DoIdMacro
cr = _Create_DoIdTokenMacroAction(spAction);
if( cr.IsFailed() )
return cr;
_COMPONENT_INSTANCE_INTERFACE(_IGrammarAction, _I_IdTokenMacroAction_Utility, spAction, spUtility, cr);
assert( cr.IsSucceeded() );
spUtility.Deref().SetOutput(lex_data.GetMacroTable(), lex_data.GetMacroRegex(), lex_data.GetMacroId());
grammar.SetAction(DECLARE_TEMP_CONST_STRING(ConstStringA, "do_id_macro"), spAction); //may throw
} //end block
//execute
cr = grammar.Execute(); //may throw
if( cr.IsFailed() )
return cr;
lex_data.Finish(); //may throw
lex_data.ExpandTokenMacros(); //may throw
//check overflow
{
#ifdef DEBUG
TokenTable& tt = lex_data.GetTokenTable().Deref();
#endif
assert( tt.GetMinID() == CPL_TK_FIRST
&& tt.GetMaxID() < (uint)(Limits<int>::Max - 1) ); //with last NULL item
} //end block
//AST
_Regex_AST rast;
rast.Init(); //may throw
cr = _Regex_Generate_AST(lex_data.GetTokenRegex(), rast); //may throw
if( cr.IsFailed() )
return cr;
//Generate
_Regex_Generate_Tables(rast, fsaTable); //may throw
return cr;
}