94 lines
2.6 KiB
Text
94 lines
2.6 KiB
Text
/* gcc Terminal_control_Dimensions.c -o Terminal_control_Dimensions -lwren -lm */
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include "wren.h"
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void C_terminalWidth(WrenVM* vm) {
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struct winsize w;
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
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wrenSetSlotDouble(vm, 0, (double)w.ws_col);
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}
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void C_terminalHeight(WrenVM* vm) {
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struct winsize w;
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ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
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wrenSetSlotDouble(vm, 0, (double)w.ws_row);
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}
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WrenForeignMethodFn bindForeignMethod(
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WrenVM* vm,
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const char* module,
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const char* className,
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bool isStatic,
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const char* signature) {
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if (strcmp(module, "main") == 0) {
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if (strcmp(className, "C") == 0) {
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if (isStatic && strcmp(signature, "terminalWidth") == 0) {
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return C_terminalWidth;
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} else if (isStatic && strcmp(signature, "terminalHeight") == 0) {
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return C_terminalHeight;
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}
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}
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}
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return NULL;
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}
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static void writeFn(WrenVM* vm, const char* text) {
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printf("%s", text);
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}
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void errorFn(WrenVM* vm, WrenErrorType errorType, const char* module, const int line, const char* msg) {
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switch (errorType) {
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case WREN_ERROR_COMPILE:
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printf("[%s line %d] [Error] %s\n", module, line, msg);
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break;
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case WREN_ERROR_STACK_TRACE:
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printf("[%s line %d] in %s\n", module, line, msg);
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break;
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case WREN_ERROR_RUNTIME:
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printf("[Runtime Error] %s\n", msg);
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break;
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}
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}
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char *readFile(const char *fileName) {
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FILE *f = fopen(fileName, "r");
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fseek(f, 0, SEEK_END);
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long fsize = ftell(f);
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rewind(f);
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char *script = malloc(fsize + 1);
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fread(script, 1, fsize, f);
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fclose(f);
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script[fsize] = 0;
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return script;
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}
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int main() {
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WrenConfiguration config;
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wrenInitConfiguration(&config);
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config.writeFn = &writeFn;
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config.errorFn = &errorFn;
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config.bindForeignMethodFn = &bindForeignMethod;
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WrenVM* vm = wrenNewVM(&config);
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const char* module = "main";
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const char* fileName = "Terminal_control_Dimensions.wren";
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char *script = readFile(fileName);
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WrenInterpretResult result = wrenInterpret(vm, module, script);
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switch (result) {
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case WREN_RESULT_COMPILE_ERROR:
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printf("Compile Error!\n");
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break;
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case WREN_RESULT_RUNTIME_ERROR:
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printf("Runtime Error!\n");
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break;
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case WREN_RESULT_SUCCESS:
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break;
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}
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wrenFreeVM(vm);
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free(script);
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return 0;
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}
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