@SuppressWarnings("fallthrough")
public Algorithm (PerfRunData runData) throws Exception {
Config config = runData.getConfig();
taskPackages = initTasksPackages(config);
String algTxt = config.getAlgorithmText();
sequence = new TaskSequence(runData,null,null,false);
TaskSequence currSequence = sequence;
PerfTask prevTask = null;
StreamTokenizer stok = new StreamTokenizer(new StringReader(algTxt));
stok.commentChar('#');
stok.eolIsSignificant(false);
stok.quoteChar('"');
stok.quoteChar('\'');
stok.ordinaryChar('/');
stok.ordinaryChar('(');
stok.ordinaryChar(')');
boolean colonOk = false;
boolean isDisableCountNextTask = false; // only for primitive tasks
currSequence.setDepth(0);
while (stok.nextToken() != StreamTokenizer.TT_EOF) {
switch(stok.ttype) {
case StreamTokenizer.TT_WORD:
String s = stok.sval;
Constructor<? extends PerfTask> cnstr = taskClass(config,s)
.asSubclass(PerfTask.class).getConstructor(PerfRunData.class);
PerfTask task = cnstr.newInstance(runData);
task.setAlgLineNum(stok.lineno());
task.setDisableCounting(isDisableCountNextTask);
isDisableCountNextTask = false;
currSequence.addTask(task);
if (task instanceof RepSumByPrefTask) {
stok.nextToken();
String prefix = stok.sval;
if (prefix==null || prefix.length()==0) {
throw new Exception("named report prefix problem - "+stok.toString());
}
((RepSumByPrefTask) task).setPrefix(prefix);
}
// check for task param: '(' someParam ')'
stok.nextToken();
if (stok.ttype!='(') {
stok.pushBack();
} else {
// get params, for tasks that supports them - allow recursive parenthetical expressions
stok.eolIsSignificant(true); // Allow params tokenizer to keep track of line number
StringBuilder params = new StringBuilder();
stok.nextToken();
if (stok.ttype != ')') {
int count = 1;
BALANCED_PARENS: while (true) {
switch (stok.ttype) {
case StreamTokenizer.TT_NUMBER: {
params.append(stok.nval);
break;
}
case StreamTokenizer.TT_WORD: {
params.append(stok.sval);
break;
}
case StreamTokenizer.TT_EOF: {
throw new RuntimeException("Unexpexted EOF: - "+stok.toString());
}
case '"':
case '\'': {
params.append((char)stok.ttype);
// re-escape delimiters, if any
params.append(stok.sval.replaceAll("" + (char)stok.ttype, "\\\\" + (char)stok.ttype));
params.append((char)stok.ttype);
break;
}
case '(': {
params.append((char)stok.ttype);
++count;
break;
}
case ')': {
if (--count >= 1) { // exclude final closing parenthesis
params.append((char)stok.ttype);
} else {
break BALANCED_PARENS;
}
break;
}
default: {
params.append((char)stok.ttype);
}
}
stok.nextToken();
}
}
stok.eolIsSignificant(false);
String prm = params.toString().trim();
if (prm.length()>0) {
task.setParams(prm);
}
}
// ---------------------------------------
colonOk = false; prevTask = task;
break;
default:
char c = (char)stok.ttype;
switch(c) {
case ':' :
if (!colonOk) throw new Exception("colon unexpexted: - "+stok.toString());
colonOk = false;
// get repetitions number
stok.nextToken();
if ((char)stok.ttype == '*') {
((TaskSequence)prevTask).setRepetitions(TaskSequence.REPEAT_EXHAUST);
} else {
if (stok.ttype!=StreamTokenizer.TT_NUMBER) {
throw new Exception("expected repetitions number or XXXs: - "+stok.toString());
} else {
double num = stok.nval;
stok.nextToken();
if (stok.ttype == StreamTokenizer.TT_WORD && stok.sval.equals("s")) {
((TaskSequence) prevTask).setRunTime(num);
} else {
stok.pushBack();
((TaskSequence) prevTask).setRepetitions((int) num);
}
}
}
// check for rate specification (ops/min)
stok.nextToken();
if (stok.ttype!=':') {
stok.pushBack();
} else {
// get rate number
stok.nextToken();
if (stok.ttype!=StreamTokenizer.TT_NUMBER) throw new Exception("expected rate number: - "+stok.toString());
// check for unit - min or sec, sec is default
stok.nextToken();
if (stok.ttype!='/') {
stok.pushBack();
((TaskSequence)prevTask).setRate((int)stok.nval,false); // set rate per sec
} else {
stok.nextToken();
if (stok.ttype!=StreamTokenizer.TT_WORD) throw new Exception("expected rate unit: 'min' or 'sec' - "+stok.toString());
String unit = stok.sval.toLowerCase(Locale.ROOT);
if ("min".equals(unit)) {
((TaskSequence)prevTask).setRate((int)stok.nval,true); // set rate per min
} else if ("sec".equals(unit)) {
((TaskSequence)prevTask).setRate((int)stok.nval,false); // set rate per sec
} else {
throw new Exception("expected rate unit: 'min' or 'sec' - "+stok.toString());
}
}
}
colonOk = false;
break;
case '{' :
case '[' :
// a sequence
// check for sequence name
String name = null;
stok.nextToken();
if (stok.ttype!='"') {
stok.pushBack();
} else {
name = stok.sval;
if (stok.ttype!='"' || name==null || name.length()==0) {
throw new Exception("sequence name problem - "+stok.toString());
}
}
// start the sequence
TaskSequence seq2 = new TaskSequence(runData, name, currSequence, c=='[');
currSequence.addTask(seq2);
currSequence = seq2;
colonOk = false;
break;