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Add way to disable "no extensions found" message (#2134)

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We want it enabled by default, but there have been requests for a way to disable it.
This commit is contained in:
Thad House
2019-12-06 20:55:36 -08:00
committed by Peter Johnson
parent 4f951789fe
commit b2ae75acd8
2 changed files with 30 additions and 3 deletions
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18
hal/src/main/native/include/hal/Extensions.h
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@@ -1,5 +1,5 @@
/*----------------------------------------------------------------------------*/
/* Copyright (c) 2017-2018 FIRST. All Rights Reserved. */
/* Copyright (c) 2017-2019 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
@@ -7,6 +7,8 @@
#pragma once
#include "hal/Types.h"
/**
* @defgroup hal_extensions Simulator Extensions
* @ingroup hal_capi
@@ -41,5 +43,19 @@ int HAL_LoadOneExtension(const char* library);
* @return the succes state of the initialization
*/
int HAL_LoadExtensions(void);
/**
* Enables or disables the message saying no HAL extensions were found.
*
* Some apps don't care, and the message create clutter. For general team code,
* we want it.
*
* This must be called before HAL_Initialize is called.
*
* This defaults to true.
*
* @param showMessage true to show message, false to not.
*/
void HAL_SetShowExtensionsNotFoundMessages(HAL_Bool showMessage);
} // extern "C"
/** @} */

15
hal/src/main/native/sim/Extensions.cpp
View File

@@ -41,6 +41,11 @@ void InitializeExtensions() {}
} // namespace init
} // namespace hal
static bool& GetShowNotFoundMessage() {
static bool showMsg = true;
return showMsg;
}
extern "C" {
int HAL_LoadOneExtension(const char* library) {
@@ -91,8 +96,10 @@ int HAL_LoadExtensions(void) {
wpi::SmallVector<wpi::StringRef, 2> libraries;
const char* e = std::getenv("HALSIM_EXTENSIONS");
if (!e) {
wpi::outs() << "HAL Extensions: No extensions found\n";
wpi::outs().flush();
if (GetShowNotFoundMessage()) {
wpi::outs() << "HAL Extensions: No extensions found\n";
wpi::outs().flush();
}
return rc;
}
wpi::StringRef env{e};
@@ -105,4 +112,8 @@ int HAL_LoadExtensions(void) {
return rc;
}
void HAL_SetShowExtensionsNotFoundMessages(HAL_Bool showMessage) {
GetShowNotFoundMessage() = showMessage;
}
} // extern "C"