/** @see org.mulgara.store.tuples.AbstractTuples#next() */
@Override
public boolean next() throws TuplesException {
try {
currentRow = source.getTriple();
} catch (TuplesException ex) {
source.terminate();
throw ex;
}
assert currentRow != null;
if (currentRow == StatementParser.TERMINATOR) rowCount = source.getStatementCount();
return currentRow != StatementParser.TERMINATOR;
}
protected String parseStatement(InputReader reader)
throws InvalidSyntaxException, EnvironmentException, ParserException {
if (!reader.hasNextWord()) {
return reader.getCurrentStatement();
}
Word word = reader.nextWord();
String keyword = word.asName();
WordTail tail = reader.getWordTail();
if (tail.isCompilerCommand()) {
String command = reader.nextWord().asName();
if (command.equals("include")) {
return parseInclude(reader);
} else if (command.equals("macro")) {
insideMacro = true;
return reader.getCurrentStatement();
} else if (command.equals("macroend")) {
insideMacro = false;
return reader.getCurrentStatement();
}
}
if (insideMacro) {
return reader.getCurrentStatement();
} else if (tail.isAssignment()) {
return statementParser.parseVarAssign(word, reader);
} else if (tail.isFunctionArgsOpen()) {
return statementParser.parseCall(word, null, reader);
} else if (keyword.equals("var")) {
return statementParser.parseVarDeclare(reader);
} else if (keyword.equals("function")) {
return statementParser.parseFunctionBegin(reader);
} else if (keyword.equals("return")) {
return statementParser.parseFunctionReturn(reader);
} else if (keyword.equals("functionend")) {
return statementParser.parseFunctionEnd(reader);
} else if (keyword.equals("if") || keyword.equals("elseif")) {
return statementParser.parseIf(word, reader);
} else if (keyword.equals("else")) {
return NSISStatements.logicLibDefine(reader.getIndent(), "Else");
} else if (keyword.equals("endif")) {
return NSISStatements.logicLibDefine(reader.getIndent(), "EndIf");
} else if (keyword.equals("do")) {
return statementParser.parseDoLoop("Do", reader);
} else if (keyword.equals("continue")) {
return NSISStatements.logicLibDefine(reader.getIndent(), "Continue");
} else if (keyword.equals("break")) {
return NSISStatements.logicLibDefine(reader.getIndent(), "Break");
} else if (keyword.equals("loop")) {
return statementParser.parseDoLoop("Loop", reader);
}
return reader.getCurrentStatement();
}
private void check(Statement expected, String... ins) {
for (String in : ins) {
final Statement statement = parser.parse(in);
assertEquals(in, expected.type(), statement.type());
assertEquals(in, expected.isPrintStatement(), statement.isPrintStatement());
}
}
/** @see org.mulgara.store.tuples.AbstractTuples#close() */
@Override
public void close() throws TuplesException {
source.terminate();
}
/** @see org.mulgara.store.tuples.AbstractTuples#getRowExpectedCount() */
public long getRowExpectedCount() throws TuplesException {
return source.isFinished() ? source.getStatementCount() : Short.MAX_VALUE;
}
/** @see org.mulgara.store.tuples.AbstractTuples#getRowUpperBound() */
public long getRowUpperBound() throws TuplesException {
// go for the max number of integers, not longs, since this is more reasonable
return source.isFinished() ? source.getStatementCount() : Integer.MAX_VALUE;
}
