private void handleVariableReference(VariableReference ref) {
final String varName = ref.getName();
if (varName.length() != 0) {
if (varName.charAt(0) == '$') {
requestor.addPosition(ref.sourceStart(), ref.sourceEnd(), HL_GLOBAL_VARIABLE);
} else if (varName.charAt(0) == '@') {
if (varName.length() > 2 && varName.charAt(1) == '@') {
requestor.addPosition(ref.sourceStart(), ref.sourceEnd(), HL_CLASS_VARIABLE);
} else {
requestor.addPosition(ref.sourceStart(), ref.sourceEnd(), HL_INSTANCE_VARIABLE);
}
} else {
requestor.addPosition(ref.sourceStart(), ref.sourceEnd(), HL_LOCAL_VARIABLE);
}
}
}
@Override
protected JSMethod createMethod(FunctionStatement node) {
JSMethod method = super.createMethod(node);
if (method != null && method.isDeprecated()) {
if (node.getName() != null) {
requestor.addPosition(
node.getName().sourceStart(), node.getName().sourceEnd(), JS_DEPRECATED);
} else if (node.getParent() instanceof BinaryOperation
&& ((BinaryOperation) node.getParent()).getLeftExpression()
instanceof PropertyExpression) {
PropertyExpression exp =
(PropertyExpression) ((BinaryOperation) node.getParent()).getLeftExpression();
requestor.addPosition(
exp.getProperty().sourceStart(), exp.getProperty().sourceEnd(), JS_DEPRECATED);
} else if (node.getParent() instanceof PropertyInitializer) {
Expression name = ((PropertyInitializer) node.getParent()).getName();
requestor.addPosition(name.sourceStart(), name.sourceEnd(), JS_DEPRECATED);
}
}
return method;
}
private void handleEvaluatableExpression(ASTNode node) {
int start = node.sourceStart();
int end = node.sourceEnd();
if (content[start] == '#' && content[start + 1] == '{') {
if (content[end - 1] == '\r') {
// FIXME JRuby bug
--end;
}
if (content[end - 1] == '}') {
requestor.addPosition(start, start + 2, HL_EVAL_EXPR);
requestor.addPosition(end - 1, end - 0, HL_EVAL_EXPR);
}
}
}
@Override
public boolean visitGeneral(ASTNode node) throws Exception {
if (!ACTIVE) {
return true;
}
if (node instanceof RubyRegexpExpression || node instanceof RubyDRegexpExpression) {
handleRegexp(node);
} else if (node instanceof RubySymbolReference) {
requestor.addPosition(node.sourceStart(), node.sourceEnd(), HL_SYMBOL);
} else if (node instanceof VariableReference) {
handleVariableReference((VariableReference) node);
} else if (node instanceof RubyDVarExpression) {
requestor.addPosition(node.sourceStart(), node.sourceEnd(), HL_LOCAL_VARIABLE);
} else if (node instanceof RubyDAssgnExpression) {
ASTNode var = ((RubyDAssgnExpression) node).getLeft();
requestor.addPosition(var.sourceStart(), var.sourceEnd(), HL_LOCAL_VARIABLE);
} else if (node instanceof StringLiteral) {
if (isStringLiteralNeeded(node)) {
requestor.addPosition(node.sourceStart(), node.sourceEnd(), HL_STRING);
}
} else if (node instanceof NumericLiteral
|| node instanceof FloatNumericLiteral
|| node instanceof BigNumericLiteral) {
requestor.addPosition(node.sourceStart(), node.sourceEnd(), HL_NUMBER);
} else if (node instanceof RubyEvaluatableStringExpression) {
handleEvaluatableExpression(node);
} else if (node instanceof CallExpression) {
final CallExpression call = (CallExpression) node;
if (!(RubySyntaxUtils.isRubyOperator(call.getName())
|| call.getReceiver() == null && RubyCodeScanner.isPseudoKeyword(call.getName()))) {
final SimpleReference callName = call.getCallName();
if (callName.sourceStart() >= 0 && callName.sourceEnd() > callName.sourceStart()) {
requestor.addPosition(callName.sourceStart(), callName.sourceEnd(), HL_DEFAULT);
}
}
} else if (node instanceof Declaration) {
final Declaration declaration = (Declaration) node;
requestor.addPosition(declaration.getNameStart(), declaration.getNameEnd(), HL_DEFAULT);
} else if (node instanceof RubyConstantDeclaration) {
final RubyConstantDeclaration declaration = (RubyConstantDeclaration) node;
final SimpleReference name = declaration.getName();
requestor.addPosition(name.sourceStart(), name.sourceEnd(), HL_CONST);
}
stack.push(node);
return true;
}
private void handleRegexp(ASTNode node) {
int start = node.sourceStart();
int end = node.sourceEnd();
if (start >= 1 && content[start - 1] == '/') {
--start;
if (end < content.length && content[end] == '/') {
++end;
}
while (end < content.length && RubySyntaxUtils.isValidRegexpModifier(content[end])) {
++end;
}
} else if (start >= 3 && content[start - 3] == '%' && content[start - 2] == 'r') {
char terminator = RubySyntaxUtils.getPercentStringTerminator(content[start - 1]);
if (terminator != 0 && end < content.length && content[end] == terminator) {
start -= 3;
++end;
while (end < content.length && RubySyntaxUtils.isValidRegexpModifier(content[end])) {
++end;
}
}
}
requestor.addPosition(start, end, HL_REGEXP);
}
public void reportProblem(IProblemIdentifier identifier, String message, int start, int end) {
if (DEPRECATION.contains(identifier)) {
requestor.addPosition(start, end, JS_DEPRECATED);
}
}