Scanner::Scanner()
:
EOFCHAR('\x7F'),
CR((char) 13),
LF((char) 10),
bufferLength(),
bufferPtr(),
ftoken(CodeTypes::tEmptyToken),
yylineno(),
timeWord1("time"),
timeWord2("Time"),
timeWord3("TIME"),
FromQueue(true),
IgnoreNewLines(true),
fch('\0'),
tokenDouble(),
tokenInteger(),
tokenScalar(), // Used to retrieve int or double
tokenString(),
pStream(NULL),
previousToken(CodeTypes::tEmptyToken),
currentToken(CodeTypes::tEmptyToken)
{
FCharTable.resize(255);
buffer.resize(255);
initScanner();
}
void findRecordInSchema(RM_TableData *rel, RM_ScanHandle *scan, Expr *cond) {
expressionSearch *recSearch = NULL;
scan->rel = rel;
recSearch = initSearchRecord();
initScanner(rel, recSearch, cond);
scan->mgmtData = (void *) recSearch;
}
// Initializes the data, gets the first instruction, and gets
// first token
void secondPass(FILE* infile, FILE* outfile, FILE* bfile){
binfile = bfile;
outputBuffer[16] = 0;
initScanner(infile, outfile);
spAddress = DEFAULT_START_ADDRESS;
spNotDone = nextInstruction();
spToken = nextToken();
program();
}
int main(int argc, char**argv)
{
/****************************** Inicializace ******************************/
exceptions_init();
if(argc!=2) {
fprintf( stderr, "Chybny zpusob volani interpretru!\nPouziti: %s program.ifj\n\n", argv[0] );
exit( 99 );
}
FILE* f=fopen(argv[1],"r");
if(f==NULL) {
fprintf( stderr, "Program k interpretaci (%s) se nepodarilo otevrit!\n\n", argv[1] );
exit( 99 );
}
Scanner s;
SyntaxContext syntaxcontext;
Function mainFunction;
int exitVal = 0;
try {
try {
initScanner(&s,f);
initDefaultSyntaxContext(&syntaxcontext);
/***************************** Překlad do AST *****************************/
parseProgram(&s, &syntaxcontext, &mainFunction);
}
catch {
on(ScannerError, e) {
scannerErrorPrint(*e);
fclose( f );
exitVal = 1;
rethrow();
}
on(SyntaxError, e) {
syntaxErrorPrint(*e);
fclose( f );
exitVal = 2;
rethrow();
}
on(UnexpectedToken, e) {
UnexpectedTokenPrint(*e);
fclose( f );
exitVal = 2;
rethrow();
}
TokenScanner::TokenScanner(const std::string& str) {
initScanner();
setInput(str);
}
TokenScanner::TokenScanner(std::istream& infile) {
initScanner();
setInput(infile);
}
TokenScanner::TokenScanner() {
initScanner();
setInput("");
}
HceParse::HceParse()
{
_itab = 0;
initScanner();
}
