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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* This is a host-side tool for validating a given edify script file.
*
* We used to have edify test cases here, which have been moved to
* tests/component/edify_test.cpp.
*
* Caveat: It doesn't recognize functions defined through updater, which
* makes the tool less useful. We should either extend the tool or remove it.
*/
#include <errno.h>
#include <stdio.h>
#include <memory>
#include <string>
#include <android-base/file.h>
#include "expr.h"
static void ExprDump(int depth, const std::unique_ptr<Expr>& n, const std::string& script) {
printf("%*s", depth*2, "");
printf("%s %p (%d-%d) \"%s\"\n",
n->name.c_str(), n->fn, n->start, n->end,
script.substr(n->start, n->end - n->start).c_str());
for (size_t i = 0; i < n->argv.size(); ++i) {
ExprDump(depth+1, n->argv[i], script);
}
}
int main(int argc, char** argv) {
RegisterBuiltins();
if (argc != 2) {
printf("Usage: %s <edify script>\n", argv[0]);
return 1;
}
std::string buffer;
if (!android::base::ReadFileToString(argv[1], &buffer)) {
printf("%s: failed to read %s: %s\n", argv[0], argv[1], strerror(errno));
return 1;
}
std::unique_ptr<Expr> root;
int error_count = 0;
int error = parse_string(buffer.data(), &root, &error_count);
printf("parse returned %d; %d errors encountered\n", error, error_count);
if (error == 0 || error_count > 0) {
ExprDump(0, root, buffer);
State state(buffer, nullptr);
std::string result;
if (!Evaluate(&state, root, &result)) {
printf("result was NULL, message is: %s\n",
(state.errmsg.empty() ? "(NULL)" : state.errmsg.c_str()));
} else {
printf("result is [%s]\n", result.c_str());
}
}
return 0;
}
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