Java Plugin
Roadmap
Java Ecosystem
5 plugins in ecosystem
Java PLUGIN
One way to rule them all
(the rules...)
3 ways to write checks
- ASTNode
- BytecodeVisitor (~10 checks)
- AST (aka Strongly Typed AST)
goodbye ASTNode
Remaining challenge : Access to tokens from AST
Fail late on grammar modification
Bytecode VISITOR
- Problem :
Specific rule writing for rules based on bytecode
- Solution :
Hide complexity and let AST access this information
- Challenge :
Get same level of information in AST
Rules that rocks
Improve Existing rules
- Rewrite rules : Depth Inheritance Tree
- Improve rules relying on some assumptions on types
Write new rules
Semantic analysis opens a new world of rules
(but Evgeny will tell you more about it... )
What's Missing ?
and what are we gonna do about it in the upcoming months...
Method resolution
class A { //overloading void method(int a) { } void method(double a) { }void calls() { method(1); method(5.0); } }
Type of expressions
class B {
private void method() {
}
static B create(){
return new B();
}
void calls() {
create().method(); //What is the type of create()
}
}
Generics
class A { List<A> list = Lists.newArrayList(new A()); private void method() { } void calls() { list.get(0).method(); //What is the type of list.get(0) ?} }
PMD and Checkstyle
- Continue rewriting rules
- Improve those rules along the way
- Fully deprecate them
X-Source Navigation
Using SonarQube API to navigate between files
And after that ?
Deprecate findbugs
- Release cycle is slow
- Low visibility on the project
- Rely on our tools to provide valuable rules
Questions ?
Java Plugin Roadmap
By Nicolas PERU
Java Plugin Roadmap
The roadmap of the java sonar plugin per June 2014
