GhdlSimulator.cc

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/*
    Copyright (c) 2002-2010 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file GhdlSimulator.cc
 *
 * Implementation of GhdlSimulator
 *
 * @author Otto Esko 2010 (otto.esko-no.spam-tut.fi)
 * @note rating: red
 */
 
#include <string>
#include <vector>
#include <iostream>
#include "FileSystem.hh"
#include "ImplementationSimulator.hh"
#include "GhdlSimulator.hh"
#include "Application.hh"
 
using std::string;
using std::vector;
 
GhdlSimulator::GhdlSimulator(
    std::string tbFile,
    std::vector<std::string> hdlFiles,
    bool verbose,
    bool leaveDirty):
    ImplementationSimulator(tbFile, hdlFiles, verbose, leaveDirty) {
}
 
GhdlSimulator::~GhdlSimulator() {
}
 
bool GhdlSimulator::compile(std::vector<std::string>& errors) {
    string workDir = createWorkDir();
    if (workDir.empty()) {
        errors.push_back("Couldn't create work dir");
        return false;
    }
    string baseDir = tbDirectory();
    if (!FileSystem::changeWorkingDir(baseDir)) {
        errors.push_back("Couldn't change directory to " + baseDir);
        return false;
    }
    for (int i = 0; i < hdlFileCount(); i++) {
        if (!importFile(file(i), errors)) {
            return false;
        } else {
            errors.clear();
        }
    }
    if (!importFile(tbFile(), errors)) {
        return false;
    }
    errors.clear();
    return compileDesign(errors);
}
 
bool GhdlSimulator::simulate(std::vector<std::string>& errors) {
    errors.clear();
    string baseDir = tbDirectory();
    if (!FileSystem::changeWorkingDir(baseDir)) {
        errors.push_back("Couldn't change directory to " + baseDir);
        return false;
    }
 
    string command;
    if (FileSystem::fileExists("testbench")) {
        command = "./testbench 2>&1";
    } else {
        // In the latest GHDL no executable is produces, thus the simulation
        // command is different.
        command = string("ghdl -r --ieee=synopsys --workdir=") + workDir()
            + " testbench  2>&1";
    }
    if (verbose()) {
        std::cout << command << std::endl;
    }
    vector<string> messages;
    int rv = Application::runShellCommandAndGetOutput(command, messages);
    // call parse
    parseErrorMessages(messages, errors);
    return rv == 0 && errors.size() == 0;
}
 
bool 
GhdlSimulator::importFile(
    std::string file, std::vector<std::string>& errors) {
    string command = "ghdl  -i --ieee=synopsys --workdir=" 
        + workDir() + " " + file + " 2>&1";
    if (verbose()) {
        // TODO: get output stream
        std::cout << command << std::endl;
    }
    int rv = Application::runShellCommandAndGetOutput(command, errors);
    return rv == 0;
}
 
bool GhdlSimulator::compileDesign(std::vector<std::string>& errors) {
    string command = "ghdl  -m --ieee=synopsys --workdir=" 
        + workDir() + " testbench 2>&1";
    if (verbose()) {
        // TODO: get output stream
        std::cout << command << std::endl;
    }
    int rv = Application::runShellCommandAndGetOutput(command, errors);
    return rv == 0;
}