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Add a FatalUserError macro to help print user-caused errors. (#668)

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This commit is contained in:
Jon Meow
2021-07-21 12:38:56 -07:00
committed by GitHub
parent f3cbfc04c6
commit 034f3600e3
15 changed files with 102 additions and 26 deletions
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executable_semantics/interpreter/typecheck.cpp
+7 -8
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@@ -11,6 +11,7 @@
#include <vector>
#include "executable_semantics/ast/function_definition.h"
#include "executable_semantics/common/error.h"
#include "executable_semantics/common/tracing_flag.h"
#include "executable_semantics/interpreter/interpreter.h"
@@ -19,20 +20,18 @@ namespace Carbon {
void ExpectType(int line_num, const std::string& context, const Value* expected,
const Value* actual) {
if (!TypeEqual(expected, actual)) {
llvm::errs() << line_num << ": type error in " << context << "\n"
<< "expected: " << *expected << "\n"
<< "actual: " << *actual << "\n";
exit(-1);
FatalUserError() << line_num << ": type error in " << context << "\n"
<< "expected: " << *expected << "\n"
<< "actual: " << *actual;
}
}
void ExpectPointerType(int line_num, const std::string& context,
const Value* actual) {
if (actual->tag() != ValKind::PointerType) {
llvm::errs() << line_num << ": type error in " << context << "\n"
<< "expected a pointer type\n"
<< "actual: " << *actual << "\n";
exit(-1);
FatalUserError() << line_num << ": type error in " << context << "\n"
<< "expected a pointer type\n"
<< "actual: " << *actual;
}
}