94 lines
2.9 KiB
C++
94 lines
2.9 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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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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.clone();
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// end = loc.end.clone();
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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() {
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return Location{ns, filename, c, line, col, knownLocation};
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}
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Location Location::clone() const {
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return Location{ns, filename, c, line, col, knownLocation};
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}
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mlir::Location Location::toMLIRLocation(SereneContext &ctx) {
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// TODO: Create a new Location attribute that is namespace base
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if (filename.hasValue()) {
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return mlir::FileLineColLoc::get(&ctx.mlirContext, filename.getValue(),
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line, col);
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}
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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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} else {
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loc.line++;
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loc.col = 0;
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}
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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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