79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
//This "hello world" was borrowed from the net
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//https://gist.github.com/fschr/92958222e35a823e738bb181fe045274
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// SDL2 Hello, World!
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// This should display a white screen for 2 seconds
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// compile with: clang++ main.cpp -o hello_sdl2 -lSDL2
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// run with: ./hello_sdl2
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#include <SDL2/SDL.h>
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#include <stdio.h>
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#include "lexer.h"
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#include "parser.h"
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#include "compiler.h"
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#include "interpreter.h"
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#define SCREEN_WIDTH 640
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#define SCREEN_HEIGHT 480
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int main(int argc, char* args[]) {
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SDL_Window* window = NULL;
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SDL_Surface* screenSurface = NULL;
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if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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fprintf(stderr, "could not initialize sdl2: %s\n", SDL_GetError());
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return 1;
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}
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window = SDL_CreateWindow(
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"hello_sdl2",
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SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
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SCREEN_WIDTH, SCREEN_HEIGHT,
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SDL_WINDOW_SHOWN
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);
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if (window == NULL) {
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fprintf(stderr, "could not create window: %s\n", SDL_GetError());
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return 1;
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}
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screenSurface = SDL_GetWindowSurface(window);
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SDL_FillRect(screenSurface, NULL, SDL_MapRGB(screenSurface->format, 0xFF, 0xFF, 0xFF));
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SDL_UpdateWindowSurface(window);
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//hacked in to test linking
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{
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//source
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char* source = "print \"Hello world!\";";
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//test basic compilation & collation
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Lexer lexer;
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Parser parser;
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Compiler compiler;
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Interpreter interpreter;
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initLexer(&lexer, source);
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initParser(&parser, &lexer);
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initCompiler(&compiler);
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initInterpreter(&interpreter);
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Node* node = scanParser(&parser);
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//write
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writeCompiler(&compiler, node);
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//collate
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int size = 0;
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unsigned char* bytecode = collateCompiler(&compiler, &size);
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//run
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runInterpreter(&interpreter, bytecode, size);
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//cleanup
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freeNode(node);
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freeParser(&parser);
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freeCompiler(&compiler);
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freeInterpreter(&interpreter);
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}
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SDL_Delay(2000);
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SDL_DestroyWindow(window);
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SDL_Quit();
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return 0;
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} |