diff options
Diffstat (limited to 'src/parser/antlr_line_buffered_input.cpp')
| -rw-r--r-- | src/parser/antlr_line_buffered_input.cpp | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/src/parser/antlr_line_buffered_input.cpp b/src/parser/antlr_line_buffered_input.cpp index bd4c910f9..0657f6c7e 100644 --- a/src/parser/antlr_line_buffered_input.cpp +++ b/src/parser/antlr_line_buffered_input.cpp @@ -1,32 +1,31 @@ -/********************* */ -/*! \file antlr_line_buffered_input.cpp - ** \verbatim - ** Top contributors (to current version): - ** Morgan Deters, Andres Noetzli, Tim King - ** This file is part of the CVC4 project. - ** Copyright (c) 2009-2021 by the authors listed in the file AUTHORS - ** in the top-level source directory and their institutional affiliations. - ** All rights reserved. See the file COPYING in the top-level source - ** directory for licensing information.\endverbatim - ** - ** \brief A custom ANTLR input stream that reads from the input stream lazily - ** - ** WARNING: edits to this and related files should be done carefully due to the - *interaction with ANTLR internals. - ** - ** This overwrites the _LA and the consume functions of the ANTLR input stream - ** to use a LineBuffer instead of accessing a buffer. The lines are kept in - ** memory to make sure that existing tokens remain valid (tokens store pointers - ** to the corresponding input). We do not overwrite mark(), etc. - *because - ** we can use the line number and the position within that line to index into - *the - ** line buffer and the default markers already store and restore that - ** information. The line buffer guarantees that lines are consecutive in - ** memory, so ANTLR3_INPUT_STREAM::getLineBuf() should work as intended and - ** tokens themselves are consecutive in memory (we are assuming that tokens - ** are not split across multiple lines). - **/ +/****************************************************************************** + * Top contributors (to current version): + * Morgan Deters, Andres Noetzli, Mathias Preiner + * + * This file is part of the cvc5 project. + * + * Copyright (c) 2009-2021 by the authors listed in the file AUTHORS + * in the top-level source directory and their institutional affiliations. + * All rights reserved. See the file COPYING in the top-level source + * directory for licensing information. + * **************************************************************************** + * + * A custom ANTLR input stream that reads from the input stream lazily + * + * WARNING: Edits to this and related files should be done carefully due to the + * interaction with ANTLR internals. + * + * This overwrites the _LA and the consume functions of the ANTLR input stream + * to use a LineBuffer instead of accessing a buffer. The lines are kept in + * memory to make sure that existing tokens remain valid (tokens store pointers + * to the corresponding input). We do not overwrite mark(), etc. because + * we can use the line number and the position within that line to index into + * the line buffer and the default markers already store and restore that + * information. The line buffer guarantees that lines are consecutive in + * memory, so ANTLR3_INPUT_STREAM::getLineBuf() should work as intended and + * tokens themselves are consecutive in memory (we are assuming that tokens + * are not split across multiple lines). + */ #include "parser/antlr_line_buffered_input.h" |