From c3a3c0c99c32c0969e6450d60aae1a2b1798ca17 Mon Sep 17 00:00:00 2001
From: wcohen <wcohen>
Date: Tue, 26 Jun 2007 19:36:25 +0000
Subject: 2007-06-26  William Cohen  <wcohen@redhat.com>

	PR 4529
	* coveragedb.cxx: New.
	* coveragedb.h: New.
	* Makefile.am: Add coveragedb.cxx and sqlite3 to build.
	* Makefile.in: Regenerated.
	* configure.ac: Add test for sqlite3
	* configure: Regenerated.
	* systemtap.spec.in: Add dependencies for sqlite3/sqlite3-devel.
	* elaborate.h, elaborate.cxx
	  (derived_probe::collect_derivation_chain): New.
	  (alias_expansion_builder::build): Correct token location.
	  (semantic_pass_opt[12): Track used and unused variables/functions.
	* session.h (tapset_compile_coverage, unused_globals,
	  unused_probes, unused_functions): New fields.
	* staptree.h (unused_locals, probe_point::str): New member.
	* staptree.cxx: Ditto.
	* main.cxx: Add "-q" tapset coverage option and SYSTEMTAP_COVERAGE env.
---
 staptree.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'staptree.h')

diff --git a/staptree.h b/staptree.h
index 0ba8c657..415d510b 100644
--- a/staptree.h
+++ b/staptree.h
@@ -411,6 +411,7 @@ struct functiondecl: public symboldecl
 {
   std::vector<vardecl*> formal_args;
   std::vector<vardecl*> locals;
+  std::vector<vardecl*> unused_locals;
   statement* body;
   functiondecl ();
   void print (std::ostream& o) const;
@@ -537,6 +538,7 @@ struct next_statement: public statement
 
 
 struct probe;
+struct derived_probe;
 struct probe_alias;
 struct embeddedcode;
 struct stapfile
@@ -570,6 +572,7 @@ struct probe_point
   void print (std::ostream& o) const;
   probe_point ();
   probe_point(std::vector<component*> const & comps,const token * t);
+  std::string str();
 };
 
 std::ostream& operator << (std::ostream& o, const probe_point& k);
@@ -581,9 +584,11 @@ struct probe
   block* body;
   const token* tok;
   std::vector<vardecl*> locals;
+  std::vector<vardecl*> unused_locals;
   probe ();
   void print (std::ostream& o) const;
   virtual void printsig (std::ostream &o) const;
+  virtual void collect_derivation_chain (std::vector<derived_probe*> &probes_list);
   virtual probe* basest () { return this; }
   virtual ~probe() {}
   bool privileged;
-- 
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