// Print error message for unbalanced symbols.
int Balance::checkBalance( )
{
char ch;
Symbol lastSymbol, match;
stack<Symbol, vector<Symbol> > pendingTokens; // Open symbols pending
while( ( ch = tok.getNextOpenClose( ) ) != '\0' )
{
lastSymbol.token = ch;
lastSymbol.theLine = tok.getLineNumber( );
switch( ch )
{
case '(':
case '[':
case '{':
pendingTokens.push( lastSymbol );
break;
case ')':
case ']':
case '}':
if( pendingTokens.empty( ) )
{
cout << "Extraneous " << ch << " at line " << tok.getLineNumber( ) << endl;
errors++;
}
else
{
match = pendingTokens.top( );
pendingTokens.pop( );
checkMatch( match, lastSymbol );
}
break;
default: // Can't happen
break;
}
}
while( !pendingTokens.empty( ) )
{
match = pendingTokens.top( );
pendingTokens.pop( );
cout << "Unmatched " << match.token << " at line "
<< match.theLine << endl;
errors++;
}
return errors + tok.getErrorCount( );
}
status_t KeyCharacterMap::load(const String8& filename, KeyCharacterMap** outMap) {
*outMap = NULL;
Tokenizer* tokenizer;
status_t status = Tokenizer::open(filename, &tokenizer);
if (status) {
LOGE("Error %d opening key character map file %s.", status, filename.string());
} else {
KeyCharacterMap* map = new KeyCharacterMap();
if (!map) {
LOGE("Error allocating key character map.");
status = NO_MEMORY;
} else {
#if DEBUG_PARSER_PERFORMANCE
nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
#endif
Parser parser(map, tokenizer);
status = parser.parse();
#if DEBUG_PARSER_PERFORMANCE
nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime;
LOGD("Parsed key character map file '%s' %d lines in %0.3fms.",
tokenizer->getFilename().string(), tokenizer->getLineNumber(),
elapsedTime / 1000000.0);
#endif
if (status) {
delete map;
} else {
*outMap = map;
}
}
delete tokenizer;
}
return status;
}
// Print an error message if clSym does not match opSym.
// Update errors.
void Balance::checkMatch( const Symbol & opSym, const Symbol & clSym )
{
if( opSym.token == '(' && clSym.token != ')' ||
opSym.token == '[' && clSym.token != ']' ||
opSym.token == '{' && clSym.token != '}' )
{
cout << "Found " << clSym.token << " on line " <<
tok.getLineNumber( ) << "; does not match " << opSym.token
<< " at line " << opSym.theLine << endl;
errors++;
}
}
static void errorMessagePrelude(const Tokenizer& tok)
{
cerr << _("Error in .ssc file (line ") << tok.getLineNumber() << "): ";
}
