public void testParseObjectLiteral3() {
environment.setLanguageVersion(Context.VERSION_1_8);
environment.setReservedKeywordAsIdentifier(true);
parse("var {get} = {get:1};");
environment.setReservedKeywordAsIdentifier(false);
parse("var {get} = {get:1};");
expectParseErrors("var {get} = {if:1};", new String[] {"invalid property id"});
}
public void testParseObjectLiteral2() {
// keywords, fail
environment.setReservedKeywordAsIdentifier(false);
expectParseErrors("({function:1});", new String[] {"invalid property id"});
environment.setReservedKeywordAsIdentifier(true);
// keywords ok
parse("({function:1});");
}
public void testParseKeywordPropertyAccess() {
environment.setReservedKeywordAsIdentifier(true);
// keywords ok
parse("({function:1}).function;");
// reserved words ok.
parse("({import:1}).import;");
}
public void testParseObjectLiteral1() {
environment.setReservedKeywordAsIdentifier(true);
parse("({a:1});");
parse("({'a':1});");
parse("({0:1});");
// property getter and setter definitions accept string and number
parse("({get a() {return 1}});");
parse("({get 'a'() {return 1}});");
parse("({get 0() {return 1}});");
parse("({set a(a) {return 1}});");
parse("({set 'a'(a) {return 1}});");
parse("({set 0(a) {return 1}});");
// keywords ok
parse("({function:1});");
// reserved words ok
parse("({float:1});");
}
@Override
public void filter(Reader reader, Writer writer) {
try {
CompilerEnvirons config = new CompilerEnvirons();
// 'float' is otherwise considered a reserved keyword (usage: element.style.float = 'left').
config.setReservedKeywordAsIdentifier(true);
// Force the parser to build the parent scope chain.
config.setIdeMode(true);
Parser parser = new Parser(config);
AstRoot root = parser.parse(reader, null, 0);
// Filter the AST.
for (NodeVisitor filter : filters) {
root.visit(filter);
}
// Back to source.
writer.write(root.toSource());
} catch (IOException e) {
LOGGER.error("Failed to rewrite JavaScript code.", e);
}
}