91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
/* -*- C++ -*-
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* Serene programming language.
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*
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* Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "serene/reader/location.h"
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#include "serene/context.h"
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#include <llvm/Support/FormatVariadic.h>
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#include <mlir/IR/Identifier.h>
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namespace serene {
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namespace reader {
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LocationRange::LocationRange(const LocationRange &loc) {
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start = loc.start;
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end = loc.end;
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}
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/// Return the string represenation of the location.
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std::string Location::toString() const {
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return llvm::formatv("{0}:{1}", line, col);
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};
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Location Location::clone() { return Location{ns, c, line, col}; }
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mlir::Location Location::toMLIRLocation(SereneContext &ctx,
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llvm::StringRef ns) {
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// TODO: Create a new Location attribute that is namespace base
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return mlir::FileLineColLoc::get(&ctx.mlirContext, ns, line, col);
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}
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/// Increase the given location by one and set the line/col value in respect to
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/// the `newline` in place.
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/// \param loc The `Location` data
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/// \param c A pointer to the current char that the location has to point to
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void incLocation(Location &loc, const char *c) {
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// TODO: Handle the end of line with respect to the OS.
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// increase the current position in the buffer with respect to the end
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// of line.
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auto newline = *c == '\n';
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if (!newline) {
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loc.col++;
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}
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loc.line++;
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}
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/// decrease the given location by one and set the line/col value in respect to
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/// the `newline` in place.
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/// \param loc The `Location` data
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/// \param c A pointer to the current char that the location has to point to
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void decLocation(Location &loc, const char *c) {
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// TODO: Handle the end of line with respect to the OS.
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// increase the current position in the buffer with respect to the end
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// of line.
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auto newline = *c == '\n';
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if (newline) {
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loc.line = loc.line == 0 ? 0 : loc.line - 1;
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// We don't move back the `col` value because we simply don't know it
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} else {
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loc.col = loc.col == 0 ? 0 : loc.col - 1;
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}
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}
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} // namespace reader
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} // namespace serene
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