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[lldb][ExpressionParser][NFCI] Add new DoPrepareForExecution interface to be implemented by language plugins #96290
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Michael137
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Michael137:lldb/prepare_for_execution-refactor
Jun 22, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| //===-- ExpressionParser.cpp ----------------------------------------------===// | ||
| // | ||
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | ||
| // See https://llvm.org/LICENSE.txt for license information. | ||
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | ||
| // | ||
| //===----------------------------------------------------------------------===// | ||
|
|
||
| #include "lldb/Expression/ExpressionParser.h" | ||
| #include "lldb/Expression/DiagnosticManager.h" | ||
| #include "lldb/Expression/IRExecutionUnit.h" | ||
| #include "lldb/Target/ExecutionContext.h" | ||
| #include "lldb/Target/ThreadPlanCallFunction.h" | ||
|
|
||
| using namespace lldb; | ||
| using namespace lldb_private; | ||
|
|
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| Status ExpressionParser::PrepareForExecution( | ||
| addr_t &func_addr, addr_t &func_end, | ||
| std::shared_ptr<IRExecutionUnit> &execution_unit_sp, | ||
| ExecutionContext &exe_ctx, bool &can_interpret, | ||
| ExecutionPolicy execution_policy) { | ||
| Status status = | ||
| DoPrepareForExecution(func_addr, func_end, execution_unit_sp, exe_ctx, | ||
| can_interpret, execution_policy); | ||
| if (status.Success() && exe_ctx.GetProcessPtr() && exe_ctx.HasThreadScope()) | ||
| status = RunStaticInitializers(execution_unit_sp, exe_ctx); | ||
|
|
||
| return status; | ||
| } | ||
|
|
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| Status | ||
| ExpressionParser::RunStaticInitializers(IRExecutionUnitSP &execution_unit_sp, | ||
| ExecutionContext &exe_ctx) { | ||
| Status err; | ||
|
|
||
| if (!execution_unit_sp.get()) { | ||
| err.SetErrorString( | ||
| "can't run static initializers for a NULL execution unit"); | ||
| return err; | ||
| } | ||
|
|
||
| if (!exe_ctx.HasThreadScope()) { | ||
| err.SetErrorString("can't run static initializers without a thread"); | ||
| return err; | ||
| } | ||
|
|
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| std::vector<addr_t> static_initializers; | ||
|
|
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| execution_unit_sp->GetStaticInitializers(static_initializers); | ||
|
|
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| for (addr_t static_initializer : static_initializers) { | ||
| EvaluateExpressionOptions options; | ||
|
|
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| ThreadPlanSP call_static_initializer(new ThreadPlanCallFunction( | ||
| exe_ctx.GetThreadRef(), Address(static_initializer), CompilerType(), | ||
| llvm::ArrayRef<addr_t>(), options)); | ||
|
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| DiagnosticManager execution_errors; | ||
| ExpressionResults results = | ||
| exe_ctx.GetThreadRef().GetProcess()->RunThreadPlan( | ||
| exe_ctx, call_static_initializer, options, execution_errors); | ||
|
|
||
| if (results != eExpressionCompleted) { | ||
| err.SetErrorStringWithFormat("couldn't run static initializer: %s", | ||
| execution_errors.GetString().c_str()); | ||
| return err; | ||
| } | ||
| } | ||
|
|
||
| return err; | ||
| } | ||
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If you add
using namespace lldbyou could drop somelldb::prefixes.