mirror of https://github.com/arendst/Tasmota.git
89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
/*
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xdrv_52_0_berry_struct.ino - Berry scripting language, native fucnctions
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Copyright (C) 2021 Stephan Hadinger, Berry language by Guan Wenliang https://github.com/Skiars/berry
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_BERRY
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#include <berry.h>
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#include <LList.h>
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#include "re1.5.h"
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#define BERRY_CONSOLE_CMD_DELIMITER "\x01"
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class Log_line {
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public:
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Log_line() : log_line(nullptr) {}
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~Log_line() {
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if (log_line != nullptr) {
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berry_free(log_line);
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}
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}
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char * getBuffer() { return log_line; }
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char * allocate(size_t size) {
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if (log_line != nullptr) {
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berry_free(log_line);
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}
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log_line = (char*) berry_malloc(size);
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return log_line;
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}
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char * log_line;
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};
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// typedef LList_elt<Log_line> log_elt; // store the string after the header to avoid double allocation if we had used char*
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class BerryLog {
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public:
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inline bool isEmpty(void) const { return log.isEmpty(); }
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LList_elt<Log_line> * addString(const char * s, const char * prefix = nullptr, const char * suffix = nullptr) {
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if (suffix == nullptr) { suffix = ""; }
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if (prefix == nullptr) { prefix = ""; }
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if (s == nullptr) { s = ""; }
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size_t s_len = strlen_P(s) + strlen_P(prefix) + strlen_P(suffix);
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if (0 == s_len) { return nullptr; } // do nothing
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LList_elt<Log_line> * log_elt = new LList_elt<Log_line>();
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log_elt->val().allocate(s_len + 1);
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snprintf_P(log_elt->val().getBuffer(), s_len+1, PSTR("%s%s%s"), prefix, s, suffix);
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log.addToLast(log_elt);
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return log_elt;
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}
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void reset(void) {
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log.reset();
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}
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LList<Log_line> log;
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};
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class BerrySupport {
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public:
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bvm *vm = nullptr; // berry vm
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int32_t timeout = 0; // Berry heartbeat timeout, preventing code to run for too long. `0` means not enabled
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bool rules_busy = false; // are we already processing rules, avoid infinite loop
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bool autoexec_done = false; // do we still need to load 'autoexec.be'
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bool repl_active = false; // is REPL running (activates log recording)
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// output log is stored as a LinkedList of buffers
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// and active only when a REPL command is running
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BerryLog log;
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};
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BerrySupport berry;
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#endif // USE_BERRY
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