69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/*
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* Copyright (c) 2004 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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# include <ivl_target.h>
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# include <stdio.h>
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/*
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* This is the output file where the generated result should be
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* written.
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*/
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extern FILE*out;
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/*
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* Keep a running count of errors that the stub detects. This will be
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* the error count returned to the ivl_target environment.
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*/
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extern int stub_errors;
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/*
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* This function finds the vector width of a signal. It relies on the
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* assumption that all the signal inputs to the nexus have the same
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* width. The ivl_target API should assert that condition.
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*/
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extern unsigned width_of_nexus(ivl_nexus_t nex);
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extern ivl_variable_type_t type_of_nexus(ivl_nexus_t nex);
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extern ivl_discipline_t discipline_of_nexus(ivl_nexus_t nex);
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/*
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* Test that a given expression is a valid delay expression, and
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* print an error message if not.
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*/
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extern void test_expr_is_delay(ivl_expr_t expr);
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extern void show_enumerate(ivl_enumtype_t net);
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/*
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* Show the details of the expression.
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*/
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extern void show_expression(ivl_expr_t net, unsigned ind);
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/*
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* Show the statement.
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*/
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extern void show_statement(ivl_statement_t net, unsigned ind);
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extern void show_switch(ivl_switch_t net);
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/*
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*/
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extern const char*data_type_string(ivl_variable_type_t vtype);
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