Rename plugins to external

applications/external/brainfuck/worker.c

@@ -0,0 +1,291 @@
+#include "worker.h"
+#include <furi_hal_resources.h>
+#include <furi.h>
+
+bool killswitch = false;
+
+int status = 0; //0: idle, 1: running, 2: failure
+
+char* inst = 0;
+int instCount = 0;
+int instPtr = 0;
+int runOpCount = 0;
+
+char* wOutput = 0;
+int wOutputPtr = 0;
+
+char* wInput = 0;
+int wInputPtr = 0;
+
+uint8_t* bfStack = 0;
+int stackPtr = 0;
+int stackSize = BF_STACK_INITIAL_SIZE;
+int stackSizeReal = 0;
+
+BFApp* wrkrApp = 0;
+
+void killThread() {
+    killswitch = true;
+}
+
+bool validateInstPtr() {
+    if(instPtr > instCount || instPtr < 0) {
+        return false;
+    }
+    return true;
+}
+
+bool validateStackPtr() {
+    if(stackPtr > stackSize || stackPtr < 0) {
+        return false;
+    }
+    return true;
+}
+
+char* workerGetOutput() {
+    return wOutput;
+}
+
+int getStackSize() {
+    return stackSizeReal;
+}
+
+int getOpCount() {
+    return runOpCount;
+}
+
+int getStatus() {
+    return status;
+}
+
+void initWorker(BFApp* app) {
+    wrkrApp = app;
+
+    //rebuild output
+    if(wOutput) {
+        free(wOutput);
+    }
+    wOutput = (char*)malloc(BF_OUTPUT_SIZE);
+    wOutputPtr = 0;
+
+    //rebuild stack
+    if(bfStack) {
+        free(bfStack);
+    }
+    bfStack = (uint8_t*)malloc(BF_STACK_INITIAL_SIZE);
+    memset(bfStack, 0x00, BF_STACK_INITIAL_SIZE);
+    stackSize = BF_STACK_INITIAL_SIZE;
+    stackSizeReal = 0;
+    stackPtr = 0;
+
+    //set instructions
+    inst = wrkrApp->dataBuffer;
+    instCount = wrkrApp->dataSize;
+    instPtr = 0;
+    runOpCount = 0;
+
+    //set input
+    wInput = wrkrApp->inputBuffer;
+    wInputPtr = 0;
+
+    //set status
+    status = 0;
+}
+
+void rShift() {
+    runOpCount++;
+    stackPtr++;
+    if(!validateStackPtr()) {
+        status = 2;
+        return;
+    }
+
+    while(stackPtr > stackSize) {
+        stackSize += BF_STACK_STEP_SIZE;
+        void* tmp = realloc(bfStack, stackSize);
+
+        if(!tmp) {
+            status = 2;
+            return;
+        }
+
+        memset((tmp + stackSize) - BF_STACK_STEP_SIZE, 0x00, BF_STACK_STEP_SIZE);
+        bfStack = (uint8_t*)tmp;
+    };
+    if(stackPtr > stackSizeReal) {
+        stackSizeReal = stackPtr;
+    }
+}
+
+void lShift() {
+    runOpCount++;
+    stackPtr--;
+    if(!validateStackPtr()) {
+        status = 2;
+        return;
+    }
+}
+
+void inc() {
+    runOpCount++;
+    if(!validateStackPtr()) {
+        status = 2;
+        return;
+    }
+    bfStack[stackPtr]++;
+}
+
+void dec() {
+    runOpCount++;
+    if(!validateStackPtr()) {
+        status = 2;
+        return;
+    }
+    bfStack[stackPtr]--;
+}
+
+void print() {
+    runOpCount++;
+    wOutput[wOutputPtr] = bfStack[stackPtr];
+    wOutputPtr++;
+    if(wOutputPtr > (BF_OUTPUT_SIZE - 1)) {
+        wOutputPtr = 0;
+    }
+}
+
+void input() {
+    runOpCount++;
+
+    bfStack[stackPtr] = (uint8_t)wInput[wInputPtr];
+    if(wInput[wInputPtr] == 0x00 || wInputPtr >= 64) {
+        wInputPtr = 0;
+    } else {
+        wInputPtr++;
+    }
+}
+
+void loop() {
+    runOpCount++;
+    if(bfStack[stackPtr] == 0) {
+        int loopCount = 1;
+        while(loopCount > 0) {
+            instPtr++;
+            if(!validateInstPtr()) {
+                status = 2;
+                return;
+            }
+            if(inst[instPtr] == '[') {
+                loopCount++;
+            } else if(inst[instPtr] == ']') {
+                loopCount--;
+            }
+        }
+    }
+}
+
+void endLoop() {
+    runOpCount++;
+    if(bfStack[stackPtr] != 0) {
+        int loopCount = 1;
+        while(loopCount > 0) {
+            instPtr--;
+            if(!validateInstPtr()) {
+                status = 2;
+                return;
+            }
+            if(inst[instPtr] == ']') {
+                loopCount++;
+            } else if(inst[instPtr] == '[') {
+                loopCount--;
+            }
+        }
+    }
+}
+
+static const NotificationSequence led_on = {
+    &message_blue_255,
+    &message_do_not_reset,
+    NULL,
+};
+
+static const NotificationSequence led_off = {
+    &message_blue_0,
+    NULL,
+};
+
+void input_kill(void* _ctx) {
+    UNUSED(_ctx);
+    killswitch = true;
+}
+
+void beginWorker() {
+    status = 1;
+
+    //redefined from furi_hal_resources.c
+    const GpioPin gpio_button_back = {.port = GPIOC, .pin = LL_GPIO_PIN_13};
+
+    while(inst[instPtr] != 0x00) {
+        if(runOpCount % 500 == 0) {
+            text_box_set_text(wrkrApp->text_box, workerGetOutput());
+            notification_message(wrkrApp->notifications, &led_on);
+        }
+
+        //status 2 indicates failure
+        if(status == 2) {
+            status = 0;
+            break;
+        }
+
+        //read back button directly to avoid weirdness in furi
+        if(killswitch || !furi_hal_gpio_read(&gpio_button_back)) {
+            status = 0;
+            killswitch = false;
+            break;
+        }
+
+        switch(inst[instPtr]) {
+        case '>':
+            rShift();
+            break;
+        case '<':
+            lShift();
+            break;
+
+        case '+':
+            inc();
+            break;
+
+        case '-':
+            dec();
+            break;
+
+        case '.':
+            print();
+            break;
+
+        case ',':
+            input();
+            break;
+
+        case '[':
+            loop();
+            break;
+
+        case ']':
+            endLoop();
+            break;
+
+        default:
+            break;
+        }
+        instPtr++;
+        if(!validateInstPtr()) {
+            status = 0;
+            break;
+        }
+    }
+
+    notification_message(wrkrApp->notifications, &led_off);
+    text_box_set_text(wrkrApp->text_box, workerGetOutput());
+    status = 0;
+}