private void visitExpression(JsExpression x, JsContext ctx) {
if (ctx.isLvalue()) {
// Assignments to comma expressions aren't legal
return;
} else if (nodesInRefContext.contains(x)) {
// Don't modify references into non-references
return;
} else if (!instrumentedFiles.contains(x.getSourceInfo().getFileName())) {
return;
} else if (x.getSourceInfo().getStartLine() == lastLine
&& (x.getSourceInfo().getFileName().equals(lastFile))) {
return;
}
lastLine = x.getSourceInfo().getStartLine();
lastFile = x.getSourceInfo().getFileName();
endVisit(x, ctx);
}
