private Object interpretUservariable(String userVariableName) {
List<InternToken> internTokenList = new LinkedList<InternToken>();
internTokenList.add(new InternToken(InternTokenType.USER_VARIABLE, userVariableName));
InternFormulaParser internParser = new InternFormulaParser(internTokenList);
FormulaElement parseTree = internParser.parseFormula();
Formula userVariableFormula = new Formula(parseTree);
return userVariableFormula.interpretObject(firstSprite);
}
public void testNotExistingLookSensorValues() {
List<InternToken> internTokenList = new LinkedList<InternToken>();
internTokenList.add(new InternToken(InternTokenType.SENSOR, ""));
InternFormulaParser internParser = new InternFormulaParser(internTokenList);
FormulaElement parseTree = internParser.parseFormula();
assertNull("Invalid sensor parsed: NOT_EXISTING_SENSOR)", parseTree);
int errorTokenIndex = internParser.getErrorTokenIndex();
assertEquals("Error Token Index is not as expected", 0, errorTokenIndex);
}
public void testNotExistingUservariable() {
List<InternToken> internTokenList = new LinkedList<InternToken>();
internTokenList.add(
new InternToken(InternTokenType.USER_VARIABLE, "NOT_EXISTING_USER_VARIABLE"));
InternFormulaParser internParser = new InternFormulaParser(internTokenList);
FormulaElement parseTree = internParser.parseFormula();
assertNull("Invalid user variable parsed: NOT_EXISTING_USER_VARIABLE)", parseTree);
int errorTokenIndex = internParser.getErrorTokenIndex();
assertEquals("Error Token Index is not as expected", 0, errorTokenIndex);
}
public Double interpretSensor(Sensors sensor) {
List<InternToken> internTokenList = new LinkedList<InternToken>();
internTokenList.add(new InternToken(InternTokenType.SENSOR, sensor.name()));
InternFormulaParser internParser = new InternFormulaParser(internTokenList);
FormulaElement parseTree = internParser.parseFormula();
Formula sensorFormula = new Formula(parseTree);
try {
return sensorFormula.interpretDouble(testSprite);
} catch (InterpretationException interpretationException) {
Log.d(
getClass().getSimpleName(),
"Formula interpretation for Sensor failed.",
interpretationException);
}
return Double.NaN;
}
public static boolean saveFormulaForUserBrickParameterChange() {
InternFormulaParser formulaToParse = formulaEditorEditText.getFormulaParser();
FormulaElement formulaParseTree = formulaToParse.parseFormula();
switch (formulaToParse.getErrorTokenIndex()) {
case PARSER_OK:
currentFormula.setRoot(formulaParseTree);
if (onFormulaChangedListener != null) {
onFormulaChangedListener.onFormulaChanged(
formulaBrick, currentBrickField, currentFormula);
}
if (formulaEditorBrick != null) {
currentFormula.refreshTextField(brickView);
}
formulaEditorEditText.formulaSaved();
return true;
}
return false;
}
public boolean saveFormulaIfPossible() {
InternFormulaParser formulaToParse = formulaEditorEditText.getFormulaParser();
FormulaElement formulaParseTree = formulaToParse.parseFormula();
switch (formulaToParse.getErrorTokenIndex()) {
case PARSER_OK:
currentFormula.setRoot(formulaParseTree);
if (onFormulaChangedListener != null) {
onFormulaChangedListener.onFormulaChanged(
formulaBrick, currentBrickField, currentFormula);
}
if (formulaEditorBrick != null) {
currentFormula.refreshTextField(brickView);
}
formulaEditorEditText.formulaSaved();
showToast(R.string.formula_editor_changes_saved, false);
return true;
case PARSER_STACK_OVERFLOW:
return checkReturnWithoutSaving(PARSER_STACK_OVERFLOW);
default:
formulaEditorEditText.setParseErrorCursorAndSelection();
return checkReturnWithoutSaving(PARSER_INPUT_SYNTAX_ERROR);
}
}