Hi there, total clang/llvm n00b here. I'm building a multilingual static analysis tool which has parsers for individual languages export an appropriately tagged language-agnostic AST for a single analyser binary to process. So far I've been using native parsers for Ruby and Go and ANTLR <http://www.antlr.org/>-based one for Swift.
ANTLR in particular won my heart because of it's Listener API <http://www.antlr.org/api/Java/org/antlr/v4/runtime/tree/ParseTreeListener.html> where 3 generic methods are provided: void enterEveryRule(ParserRuleContext ctx) void exitEveryRule(ParserRuleContext ctx) void visitTerminal(TerminalNode node) You can also subscribe to 'enter' and 'exit' events for particular rules that you find particularly interesting. So for a given rule you'd have four callbacks triggered - enterEveryRule, enterParticularRule, exitParticularRule, exitEveryRule - in this particular order. There is also concept of TerminalNodes which are things like literals etc. Since this sort an API what feels most natural for the task at hand I would kindly like to solicit your advice on how to go about replicating it in clang. Thanks in advance! Best, Marcin Wyszynski *-- Everyone you meet is fighting a battle you know nothing about. Be kind.*
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