100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
|
/*
|
||
|
|
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <iostream>
|
||
|
|
#include "pio_assembler.h"
|
||
|
|
|
||
|
|
#define DEFAULT_OUTPUT_FORMAT "c-sdk"
|
||
|
|
|
||
|
|
void usage() {
|
||
|
|
std::cerr << "usage: pioasm <options> <input> (<output>)\n\n";
|
||
|
|
std::cerr << "Assemble file of PIO program(s) for use in applications.\n";
|
||
|
|
std::cerr << " <input> the input filename\n";
|
||
|
|
std::cerr << " <output> the output filename (or filename prefix if the output format produces multiple outputs).\n";
|
||
|
|
std::cerr << " if not specified, a single output will be written to stdout\n";
|
||
|
|
std::cerr << "\n";
|
||
|
|
std::cerr << "options:\n";
|
||
|
|
std::cerr << " -o <output_format> select output_format (default '" << DEFAULT_OUTPUT_FORMAT << "'); available options are:\n";
|
||
|
|
for(const auto& f : output_format::all()) {
|
||
|
|
std::cerr << " " << f->name << std::endl;
|
||
|
|
std::cerr << " " << f->get_description() << std::endl;
|
||
|
|
}
|
||
|
|
std::cerr << " -p <output_param> add a parameter to be passed to the output format generator" << std::endl;
|
||
|
|
std::cerr << " -?, --help print this help and exit\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int argc, char *argv[]) {
|
||
|
|
int res = 0;
|
||
|
|
pio_assembler pioasm;
|
||
|
|
std::string format(DEFAULT_OUTPUT_FORMAT);
|
||
|
|
const char *input = nullptr;
|
||
|
|
const char *output = nullptr;
|
||
|
|
std::vector<std::string> options;
|
||
|
|
int i = 1;
|
||
|
|
for (; !res && i < argc; i++) {
|
||
|
|
if (argv[i][0] != '-') break;
|
||
|
|
if (argv[i] == std::string("-o")) {
|
||
|
|
if (++i < argc) {
|
||
|
|
format = argv[i];
|
||
|
|
} else {
|
||
|
|
std::cerr << "error: -o requires format value" << std::endl;
|
||
|
|
res = 1;
|
||
|
|
}
|
||
|
|
} else if (argv[i] == std::string("-p")) {
|
||
|
|
if (++i < argc) {
|
||
|
|
options.emplace_back(argv[i]);
|
||
|
|
} else {
|
||
|
|
std::cerr << "error: -p requires parameter value" << std::endl;
|
||
|
|
res = 1;
|
||
|
|
}
|
||
|
|
} else if (argv[i] == std::string("-?") || argv[i] == std::string("--help")) {
|
||
|
|
usage();
|
||
|
|
return 1;
|
||
|
|
} else {
|
||
|
|
std::cerr << "error: unknown option " << argv[i] << std::endl;
|
||
|
|
res = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!res) {
|
||
|
|
if (i != argc) {
|
||
|
|
input = argv[i++];
|
||
|
|
} else {
|
||
|
|
std::cerr << "error: expected input filename\n";
|
||
|
|
res = 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!res) {
|
||
|
|
if (i != argc) {
|
||
|
|
output = argv[i++];
|
||
|
|
} else {
|
||
|
|
output = "-";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (!res && i != argc) {
|
||
|
|
std::cerr << "unexpected command line argument " << argv[i] << std::endl;
|
||
|
|
res = 1;
|
||
|
|
}
|
||
|
|
std::shared_ptr<output_format> oformat;
|
||
|
|
if (!res) {
|
||
|
|
const auto& e = std::find_if(output_format::all().begin(), output_format::all().end(),
|
||
|
|
[&](const std::shared_ptr<output_format> &f) {
|
||
|
|
return f->name == format;
|
||
|
|
});
|
||
|
|
if (e == output_format::all().end()) {
|
||
|
|
std::cerr << "error: unknown output format '" << format << "'" << std::endl;
|
||
|
|
res = 1;
|
||
|
|
} else {
|
||
|
|
oformat = *e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (res) {
|
||
|
|
std::cerr << std::endl;
|
||
|
|
usage();
|
||
|
|
} else {
|
||
|
|
res = pioasm.generate(oformat, input, output, options);
|
||
|
|
}
|
||
|
|
return res;
|
||
|
|
}
|