Examples with TRhsBody de.be4.classicalb.core.preparser.node.TRhsBody used on opensource projects

Example 1 with TRhsBody

use of de.be4.classicalb.core.preparser.node.TRhsBody in project probparsers by bendisposto.

the class PreLexer method collectRhs.

private void collectRhs() throws LexerException, IOException {
    if (state.equals(State.DEFINITIONS_RHS) || (previousState != null && previousState.equals(State.DEFINITIONS_RHS))) {
        if (rhsToken == null) {
            // starting a new definition rhs
            rhsToken = new TRhsBody("", -1, -1);
            rhsBuffer = new StringBuilder();
        } else {
            final State nextState = getNextState();
            // end of rhs reached?
            if (nextState != null) {
                // push current token back into reader
                try {
                    unread(token);
                } catch (IOException e) {
                    throw new IOException("Pushback buffer overflow on Token: " + token.getText());
                }
                // prepare rhs_body token to be the current one
                ((Token) rhsToken).setText(rhsBuffer.toString());
                token = rhsToken;
                rhsToken = null;
                rhsBuffer = null;
                state = nextState;
            } else {
                // first token after "==" sets start position
                if (rhsToken.getLine() == -1) {
                    rhsToken.setLine(token.getLine());
                    rhsToken.setPos(token.getPos());
                }
                rhsBuffer.append(token.getText());
                token = null;
            }
        }
    }
}