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88 lines
3.5 KiB
C
88 lines
3.5 KiB
C
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// -*- mode: C++; c-file-style: "cc-mode" -*-
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//*************************************************************************
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//
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// Copyright 2003-2017 by Wilson Snyder. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// Lesser General Public License Version 3 or the Perl Artistic License.
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// Version 2.0.
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//
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// Verilator 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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//*************************************************************************
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///
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/// \file
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/// \brief Verilator: Include to provide information about symbol inspection
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///
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/// This file is for inclusion by internal files that need to inspect
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/// specific symbols.
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///
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/// User routines wanting to inspect the symbol table should use
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/// verilated_syms.h instead.
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///
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/// These classes are thread safe, and read only.
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///
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/// Code available from: http://www.veripool.org/verilator
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///
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//*************************************************************************
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#ifndef _VERILATED_SYM_PROPS_H_
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#define _VERILATED_SYM_PROPS_H_ 1 ///< Header Guard
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//===========================================================================
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/// Verilator range
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/// Thread safety: Assume is constructed only with model, then any number of readers
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// See also V3Ast::VNumRange
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class VerilatedRange {
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int m_left;
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int m_right;
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protected:
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friend class VerilatedVar;
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friend class VerilatedScope;
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VerilatedRange() : m_left(0), m_right(0) {}
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void init(int left, int right) { m_left=left; m_right=right; }
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public:
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~VerilatedRange() {}
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int left() const { return m_left; }
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int right() const { return m_right; }
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int elements() const { return (VL_LIKELY(m_left>=m_right)?(m_left-m_right+1):(m_right-m_left+1)); }
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};
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//===========================================================================
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/// Verilator variable
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/// Thread safety: Assume is constructed only with model, then any number of readers
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class VerilatedVar {
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void* m_datap; // Location of data
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VerilatedVarType m_vltype; // Data type
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VerilatedVarFlags m_vlflags; // Direction
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VerilatedRange m_packed; // Packed array range
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VerilatedRange m_unpacked[1]; // Unpacked array range
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int m_dims; // Dimensions
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const char* m_namep; // Name - slowpath
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protected:
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friend class VerilatedScope;
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VerilatedVar(const char* namep, void* datap,
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VerilatedVarType vltype, VerilatedVarFlags vlflags, int dims)
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: m_datap(datap), m_vltype(vltype), m_vlflags(vlflags), m_dims(dims), m_namep(namep) {}
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public:
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~VerilatedVar() {}
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void* datap() const { return m_datap; }
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VerilatedVarType vltype() const { return m_vltype; }
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VerilatedVarFlags vldir() const { return static_cast<VerilatedVarFlags>(static_cast<int>(m_vlflags) & VLVF_MASK_DIR); }
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vluint32_t entSize() const;
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bool isPublicRW() const { return ((m_vlflags & VLVF_PUB_RW) != 0); }
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const VerilatedRange& packed() const { return m_packed; }
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const VerilatedRange& unpacked() const { return m_unpacked[0]; }
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const VerilatedRange& range() const { return packed(); } // Deprecated
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const VerilatedRange& array() const { return unpacked(); } // Deprecated
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const char* name() const { return m_namep; }
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int dims() const { return m_dims; }
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};
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#endif // Guard
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