amath/app/system/program_stdc.cpp

103 lines
2.8 KiB
C++

/*
* Copyright (c) 2015-2017 Carsten Sonne Larsen <cs@innolan.dk>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "clib.h"
#include "lib/charbuf.h"
#include "main/evaluator.h"
#include "system/program_stdc.h"
#include "system/console_stdc.h"
#include "system/language_stdc.h"
#include "system/filesystem_stdc.h"
#include "system/preferences_stdc.h"
#include "system/base/io.h"
StandardProgram::StandardProgram()
: Program()
{
Console = NOMEM;
line = NOMEM;
}
StandardProgram::~StandardProgram()
{
if (Console != NULL) {
delete Console;
}
if (line != NULL) {
delete line;
}
}
void StandardProgram::Initialize(int argc, char **argv)
{
if(argc < 2) {
// STDC version only has a console
Console = new StandardConsole(Preferences->GetPrompt());
return;
}
unsigned int len = 1;
for(int i = 1; i < argc; i++) {
len += StrLen(argv[i]) + 1;
}
line = new CharBuffer(len);
line->Empty();
for(int i = 1; i < argc; i++) {
line->Append(argv[i]);
line->Append(' ');
}
line->DeleteLastChar();
if (line->Is("shell")) {
Console = new StandardConsole(Preferences->GetPrompt());
}
}
void StandardProgram::Run()
{
Preferences->Load();
if (Console != NOMEM) {
Console->Run();
return;
}
Evaluator *evaluator = new Evaluator(line->GetString());
evaluator->Evaluate();
const char *res = evaluator->GetResult();
WriteToShell(res);
delete evaluator;
}
void StandardProgram::Exit()
{
Console->Exit();
}