57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
//===- FileLineColLocBreakpointManager.cpp - MLIR Optimizer Driver --------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Debug/BreakpointManagers/FileLineColLocBreakpointManager.h"
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#include "mlir/IR/Diagnostics.h"
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#include "llvm/Support/raw_ostream.h"
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using namespace mlir;
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using namespace mlir::tracing;
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FailureOr<std::tuple<StringRef, int64_t, int64_t>>
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FileLineColLocBreakpoint::parseFromString(StringRef str,
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function_ref<void(Twine)> diag) {
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// Watch at debug locations arguments are expected to be in the form:
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// `fileName:line:col`, `fileName:line`, or `fileName`.
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if (str.empty()) {
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if (diag)
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diag("error: initializing FileLineColLocBreakpoint with empty file name");
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return failure();
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}
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// This logic is complex because on Windows `:` is a comment valid path
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// character: `C:\...`.
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auto [fileLine, colStr] = str.rsplit(':');
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auto [file, lineStr] = fileLine.rsplit(':');
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// Extract the line and column value
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int64_t line = -1, col = -1;
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if (lineStr.empty()) {
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// No candidate for line number, try to use the column string as line
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// instead.
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file = fileLine;
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if (!colStr.empty() && colStr.getAsInteger(0, line))
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file = str;
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} else {
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if (lineStr.getAsInteger(0, line)) {
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// Failed to parse a line number, try to use the column string as line
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// instead. If this failed as well, the entire string is the file name.
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file = fileLine;
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if (colStr.getAsInteger(0, line))
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file = str;
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} else {
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// We successfully parsed a line number, try to parse the column number.
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// This shouldn't fail, or the entire string is the file name.
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if (colStr.getAsInteger(0, col)) {
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file = str;
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line = -1;
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}
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}
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}
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return std::tuple<StringRef, int64_t, int64_t>{file, line, col};
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}
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