From 6045a6d15738b3104e34cc05a9c5624f3f98bd03 Mon Sep 17 00:00:00 2001
From: Klaus Aehlig <klaus.aehlig@huawei.com>
Date: Mon, 27 Jun 2022 15:13:59 +0200
Subject: Support more verbose error reporting

---
 src/buildtool/common/cli.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/buildtool/common/cli.hpp')

diff --git a/src/buildtool/common/cli.hpp b/src/buildtool/common/cli.hpp
index adfa3445..b2bd4576 100644
--- a/src/buildtool/common/cli.hpp
+++ b/src/buildtool/common/cli.hpp
@@ -12,6 +12,7 @@
 #include "fmt/core.h"
 #include "gsl-lite/gsl-lite.hpp"
 #include "nlohmann/json.hpp"
+#include "src/buildtool/build_engine/expression/evaluator.hpp"
 #include "src/buildtool/compatibility/compatibility.hpp"
 #include "src/buildtool/logging/log_level.hpp"
 
@@ -30,6 +31,7 @@ struct CommonArguments {
 
 /// \brief Arguments required for analysing targets.
 struct AnalysisArguments {
+    std::optional<std::size_t> expression_log_limit{};
     std::string defines{};
     std::filesystem::path config_file{};
     std::optional<nlohmann::json> target{};
@@ -137,6 +139,12 @@ static inline auto SetupAnalysisArguments(
     gsl::not_null<CLI::App*> const& app,
     gsl::not_null<AnalysisArguments*> const& clargs,
     bool with_graph = true) {
+    app->add_option("--expression-log-limit",
+                    clargs->expression_log_limit,
+                    fmt::format("Maximal size for logging a single expression "
+                                "in error messages (Default {})",
+                                Evaluator::kDefaultExpressionLogLimit))
+        ->type_name("NUM");
     app->add_option(
            "-D,--defines",
            clargs->defines,
-- 
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