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// OpenSTA, Static Timing Analyzer
// Copyright (c) 2019, Parallax Software, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#ifndef STA_PARSE_BUS_H
#define STA_PARSE_BUS_H
namespace sta {
// Return true if name is a bus.
bool
isBusName(const char *name,
const char brkt_left,
const char brkt_right,
char escape);
// Parse name as a bus.
// signal
// bus_name = nullptr
// bus[bit]
// bus_name = "bus"
// index = bit
// Caller must delete returned bus_name string.
void
parseBusName(const char *name,
const char brkt_left,
const char brkt_right,
char escape,
// Return values.
char *&bus_name,
int &index);
// Allow multiple different left/right bus brackets.
void
parseBusName(const char *name,
const char *brkts_left,
const char *brkts_right,
char escape,
// Return values.
char *&bus_name,
int &index);
// Parse a bus range, such as BUS[4:0].
// bus_name is set to null if name is not a range.
// Caller must delete returned bus_name string.
void
parseBusRange(const char *name,
const char brkt_left,
const char brkt_right,
char escape,
// Return values.
char *&bus_name,
int &from,
int &to);
// brkt_lefts and brkt_rights are corresponding strings of legal
// bus brackets such as "[(<" and "])>".
void
parseBusRange(const char *name,
const char *brkts_left,
const char *brkts_right,
char escape,
// Return values.
char *&bus_name,
int &from,
int &to);
// Insert escapes before ch1 and ch2 in token.
const char *
escapeChars(const char *token,
char ch1,
char ch2,
char escape);
} // namespace
#endif
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