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Make CompHash computation/recovery for functions deterministic

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Functions are now assigned a unique integer on construction which
CompositeHash can base hashes on.  Recovery then just involves
looking up the function pointer associated with that unique number.
This commit is contained in:
Jon Siwek 2011-10-06 14:29:03 -05:00
parent 3ecd872291
commit 1cc675e30f
6 changed files with 64 additions and 27 deletions
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11
src/Func.h
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@ -20,8 +20,7 @@ public:
enum Kind { BRO_FUNC, BUILTIN_FUNC };
Func(Kind arg_kind)
{ scope = 0; kind = arg_kind; id = 0; return_value = 0; }
Func(Kind arg_kind);
virtual ~Func();
@ -68,8 +67,12 @@ public:
ID* GetReturnValueID() const;
virtual TraversalCode Traverse(TraversalCallback* cb) const;
uint32 GetUniqueFuncID() const { return unique_id; }
static Func* GetFuncPtr(size_t id)
{ return id >= unique_ids.size() ? 0 : unique_ids[id]; }
protected:
Func() { scope = 0; id = 0; return_value = 0; }
Func();
DECLARE_ABSTRACT_SERIAL(Func);
@ -78,6 +81,8 @@ protected:
Kind kind;
ID* id;
ID* return_value;
uint32 unique_id;
static vector<Func*> unique_ids;
};