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//===- FileLineColLocBreakpointManager.cpp - MLIR Optimizer Driver --------===//
//
// 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 "mlir/Debug/BreakpointManagers/FileLineColLocBreakpointManager.h"
#include "mlir/IR/Diagnostics.h"
#include "llvm/Support/raw_ostream.h"
using namespace mlir;
using namespace mlir::tracing;
FailureOr<std::tuple<StringRef, int64_t, int64_t>>
FileLineColLocBreakpoint::parseFromString(StringRef str,
function_ref<void(Twine)> diag) {
// Watch at debug locations arguments are expected to be in the form:
// `fileName:line:col`, `fileName:line`, or `fileName`.
if (str.empty()) {
if (diag)
diag("error: initializing FileLineColLocBreakpoint with empty file name");
return failure();
}
// This logic is complex because on Windows `:` is a comment valid path
// character: `C:\...`.
auto [fileLine, colStr] = str.rsplit(':');
auto [file, lineStr] = fileLine.rsplit(':');
// Extract the line and column value
int64_t line = -1, col = -1;
if (lineStr.empty()) {
// No candidate for line number, try to use the column string as line
// instead.
file = fileLine;
if (!colStr.empty() && colStr.getAsInteger(0, line))
file = str;
} else {
if (lineStr.getAsInteger(0, line)) {
// Failed to parse a line number, try to use the column string as line
// instead. If this failed as well, the entire string is the file name.
file = fileLine;
if (colStr.getAsInteger(0, line))
file = str;
} else {
// We successfully parsed a line number, try to parse the column number.
// This shouldn't fail, or the entire string is the file name.
if (colStr.getAsInteger(0, col)) {
file = str;
line = -1;
}
}
}
return std::tuple<StringRef, int64_t, int64_t>{file, line, col};
}
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