mirror of
https://github.com/UberGuidoZ/Flipper.git
synced 2026-09-18 18:01:30 +00:00
Removing FAP files (use FlipC or Official store!)
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@@ -0,0 +1,207 @@
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#include "worker.h"
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int status = 0; //0: idle, 1: running, 2: failure
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char* inst = 0;
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int instCount = 0;
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int instPtr = 0;
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int runOpCount = 0;
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char* wOutput = 0;
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int wOutputPtr = 0;
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char* wInput = 0;
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int wInputPtr = 0;
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uint8_t* bfStack = 0;
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int stackPtr = 0;
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int stackSize = BF_STACK_INITIAL_SIZE;
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int stackSizeReal = 0;
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bool validateInstPtr(){
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if(instPtr > instCount || instPtr < 0){
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return false;
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}
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return true;
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}
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bool validateStackPtr(){
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if(stackPtr > stackSize || stackPtr < 0){
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return false;
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}
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return true;
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}
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char* workerGetOutput(){
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return wOutput;
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}
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int getStackSize(){
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return stackSizeReal;
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}
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int getOpCount(){
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return runOpCount;
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}
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int getStatus(){
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return status;
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}
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void initWorker(BFApp* app){
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//rebuild output
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if(wOutput){ free(wOutput); }
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wOutput = (char*)malloc(BF_OUTPUT_SIZE);
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wOutputPtr = 0;
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//rebuild stack
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if(bfStack){ free(bfStack); }
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bfStack = (uint8_t*)malloc(BF_STACK_INITIAL_SIZE);
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memset(bfStack, 0x00, BF_STACK_INITIAL_SIZE);
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stackSize = BF_STACK_INITIAL_SIZE;
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stackSizeReal = 0;
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stackPtr = 0;
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//set instructions
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inst = app->dataBuffer;
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instCount = app->dataSize;
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instPtr = 0;
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runOpCount = 0;
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//set input
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wInput = app->inputBuffer;
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wInputPtr = 0;
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//set status
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status = 0;
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}
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void rShift(){
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runOpCount++;
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stackPtr++;
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if(!validateStackPtr()){ status = 2; return; }
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while(stackPtr > stackSize){
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stackSize += BF_STACK_STEP_SIZE;
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void* tmp = realloc(bfStack, stackSize);
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if(!tmp){
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status = 2;
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return;
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}
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memset((tmp + stackSize) - BF_STACK_STEP_SIZE, 0x00, BF_STACK_STEP_SIZE);
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bfStack = (uint8_t*)tmp;
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};
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if(stackPtr > stackSizeReal){
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stackSizeReal = stackPtr;
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}
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}
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void lShift(){
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runOpCount++;
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stackPtr--;
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if(!validateStackPtr()){ status = 2; return; }
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}
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void inc(){
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runOpCount++;
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if(!validateStackPtr()){ status = 2; return; }
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bfStack[stackPtr]++;
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}
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void dec(){
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runOpCount++;
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if(!validateStackPtr()){ status = 2; return; }
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bfStack[stackPtr]--;
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}
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void print(){
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runOpCount++;
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wOutput[wOutputPtr] = bfStack[stackPtr];
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wOutputPtr++;
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if(wOutputPtr > (BF_OUTPUT_SIZE - 1)){ wOutputPtr = 0;}
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}
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void input(){
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runOpCount++;
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bfStack[stackPtr] = (uint8_t)wInput[wInputPtr];
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if(wInput[wInputPtr] == 0x00 || wInputPtr >= 64){
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wInputPtr = 0;
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}
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else{
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wInputPtr++;
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}
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}
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void loop() {
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runOpCount++;
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if (bfStack[stackPtr] == 0) {
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int loopCount = 1;
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while (loopCount > 0) {
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instPtr++;
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if(!validateInstPtr()){ status = 2; return; }
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if (inst[instPtr] == '[') { loopCount++; }
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else if (inst[instPtr] == ']') { loopCount--; }
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}
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}
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}
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void endLoop() {
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runOpCount++;
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if (bfStack[stackPtr] != 0) {
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int loopCount = 1;
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while (loopCount > 0) {
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instPtr--;
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if(!validateInstPtr()){ status = 2; return; }
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if (inst[instPtr] == ']') { loopCount++; }
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else if (inst[instPtr] == '[') { loopCount--; }
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}
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}
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}
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void beginWorker(){
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status = 1;
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while (inst[instPtr] != 0x00) {
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if(status == 2){ return; }
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switch (inst[instPtr]) {
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case '>':
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rShift();
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break;
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case '<':
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lShift();
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break;
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case '+':
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inc();
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break;
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case '-':
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dec();
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break;
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case '.':
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print();
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break;
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case ',':
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input();
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break;
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case '[':
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loop();
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break;
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case ']':
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endLoop();
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break;
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default:
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break;
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}
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instPtr++;
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if(!validateInstPtr()){ status = 2; return; }
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}
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status = 0;
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}
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