104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2025, Parallax Software, Inc.
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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, either version 3 of the License, or
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// (at your option) any later version.
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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 <https://www.gnu.org/licenses/>.
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//
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// The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software.
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//
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// Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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//
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// This notice may not be removed or altered from any source distribution.
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#pragma once
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#include <string>
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#include "Error.hh"
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// Don't require all of tcl.h.
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typedef struct Tcl_RegExp_ *Tcl_RegExp;
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typedef struct Tcl_Interp Tcl_Interp;
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namespace sta {
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using ::Tcl_RegExp;
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using ::Tcl_Interp;
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class PatternMatch
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{
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public:
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// If regexp is false, use unix glob style matching.
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// If regexp is true, use TCL regular expression matching.
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// Regular expressions are always anchored.
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// If nocase is true, ignore case in the pattern.
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// Tcl_Interp is optional for reporting regexp compile errors.
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PatternMatch(const char *pattern,
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bool is_regexp,
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bool nocase,
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Tcl_Interp *interp);
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// Use unix glob style matching.
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PatternMatch(const char *pattern);
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PatternMatch(const char *pattern,
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const PatternMatch *inherit_from);
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PatternMatch(const std::string &pattern,
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const PatternMatch *inherit_from);
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bool match(const char *str) const;
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bool match(const std::string &str) const;
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bool matchNoCase(const char *str) const;
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const char *pattern() const { return pattern_; }
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bool isRegexp() const { return is_regexp_; }
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bool nocase() const { return nocase_; }
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Tcl_Interp *tclInterp() const { return interp_; }
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bool hasWildcards() const;
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private:
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void compileRegexp();
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const char *pattern_;
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bool is_regexp_;
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bool nocase_;
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Tcl_Interp *interp_;
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Tcl_RegExp regexp_;
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};
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// Error thrown by Pattern constructor.
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class RegexpCompileError : public Exception
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{
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public:
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explicit RegexpCompileError(const char *pattern);
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virtual ~RegexpCompileError() noexcept {}
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virtual const char *what() const noexcept;
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private:
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std::string error_;
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};
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// Simple pattern match
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// '*' matches zero or more characters
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// '?' matches any character
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bool
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patternMatch(const char *pattern,
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const char *str);
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bool
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patternMatchNoCase(const char *pattern,
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const char *str,
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bool nocase);
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// Predicate to find out if there are wildcard characters in the pattern.
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bool
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patternWildcards(const char *pattern);
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} // namespace
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