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make "switch" internals accessible to ZAM; tidying of same

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This commit is contained in:
Vern Paxson 2021-05-30 18:13:17 -07:00
parent c662f8fbe8
commit c81a331944
2 changed files with 20 additions and 9 deletions
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18
src/Stmt.h
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@ -183,15 +183,24 @@ public:
bool NoFlowAfter(bool ignore_break) const override;
protected:
friend class ZAMCompiler;
int DefaultCaseIndex() const { return default_case_idx; }
const auto& ValueMap() const { return case_label_value_map; }
const std::vector<std::pair<ID*, int>>* TypeMap() const
{ return &case_label_type_list; }
const CompositeHash* CompHash() const { return comp_hash; }
ValPtr DoExec(Frame* f, Val* v, StmtFlowType& flow) override;
bool IsPure() const override;
// Initialize composite hash and case label map.
void Init();
// Adds an entry in case_label_value_map for the given value to associate it
// with the given index in the cases list. If the entry already exists,
// returns false, else returns true.
// Adds entries in case_label_value_map and case_label_hash_map
// for the given value to associate it with the given index in
// the cases list. If the entry already exists, returns false,
// else returns true.
bool AddCaseLabelValueMapping(const Val* v, int idx);
// Adds an entry in case_label_type_map for the given type (w/ ID) to
@ -208,7 +217,8 @@ protected:
case_list* cases;
int default_case_idx;
CompositeHash* comp_hash;
PDict<int> case_label_value_map;
std::unordered_map<const Val*, int> case_label_value_map;
PDict<int> case_label_hash_map;
std::vector<std::pair<ID*, int>> case_label_type_list;
};