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inlining of Zeek script functions

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This commit is contained in:
Vern Paxson 2020-11-19 16:05:42 -08:00
parent 8337b4cf2d
commit 30b29ef7ba
65 changed files with 21885 additions and 253 deletions
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20
src/Var.cc
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@ -17,6 +17,8 @@
#include "module_util.h"
#include "ID.h"
#include "zeek/script_opt/ScriptOpt.h"
namespace zeek::detail {
static ValPtr init_val(Expr* init, const Type* t, ValPtr aggr)
@ -701,8 +703,20 @@ TraversalCode OuterIDBindingFinder::PostExpr(const Expr* expr)
return TC_CONTINUE;
}
static bool duplicate_ASTs = getenv("ZEEK_DUPLICATE_ASTS");
void end_func(StmtPtr body)
{
if ( duplicate_ASTs && reporter->Errors() == 0 )
// Only try duplication in the absence of errors. If errors
// have occurred, they can be re-generated during the
// duplication process, leading to regression failures due
// to duplicated error messages.
//
// We duplicate twice to make sure that the AST produced
// by duplicating can itself be correctly duplicated.
body = body->Duplicate()->Duplicate();
auto ingredients = std::make_unique<function_ingredients>(pop_scope(), std::move(body));
if ( ingredients->id->HasVal() )
@ -724,7 +738,11 @@ void end_func(StmtPtr body)
ingredients->id->SetConst();
}
ingredients->id->GetVal()->AsFunc()->SetScope(ingredients->scope);
auto func = ingredients->id->GetVal()->AsFunc()->AsScriptFunc();
func->SetScope(ingredients->scope);
analyze_func({NewRef{}, func});
// Note: ideally, something would take ownership of this memory until the
// end of script execution, but that's essentially the same as the
// lifetime of the process at the moment, so ok to "leak" it.