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#include "Halide.h"
#include <cstdio>
#include <cstdlib>
using namespace Halide;
int evaluated = 0;
int should_be_evaluated() {
printf("Should be evaluated\n");
evaluated += 1;
return 0;
}
int should_never_be_evaluated() {
printf("Should never be evaluated\n");
exit(1);
return 0;
}
struct MyCustomErrorReporter final : CompileTimeErrorReporter {
int errors_occurred{0};
int warnings_occurred{0};
void warning(const char *msg) override {
const auto msg_safe = Internal::replace_all(msg, ":", "(colon)");
printf("Custom warn: %s\n", msg_safe.c_str());
warnings_occurred++;
}
[[noreturn]] void error(const char *msg) override {
// Emitting "error.*:" to stdout or stderr will cause CMake to report the
// test as a failure on Windows, regardless of the error code returned.
// The error text we get from ErrorReport probably contains some variant
// of this, so let's make sure it doesn't match that pattern.
const auto msg_safe = Internal::replace_all(msg, ":", "(colon)");
printf("Custom err: %s\n", msg_safe.c_str());
errors_occurred++;
if (warnings_occurred != 1 || errors_occurred != 1 || evaluated != 1) {
printf("There should have been 1 warning and 1 error and 1 evaluated assertion argument\n");
exit(1);
}
// CompileTimeErrorReporter::error() must not return.
printf("Success!\n");
exit(0);
}
};
int main(int argc, char **argv) {
// Use argc here so that the compiler cannot optimize it away:
// we know argc > 0 always, but the compiler (probably) doesn't.
_halide_user_assert(argc > 0) << should_never_be_evaluated();
MyCustomErrorReporter reporter;
set_custom_compile_time_error_reporter(&reporter);
user_warning << "Here is a warning.";
// This call should not return.
user_assert(argc == 0) << should_be_evaluated();
printf("CompileTimeErrorReporter::error() must not return.\n");
return 1;
}
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