Stuff

src/types.h

@@ -10,6 +10,24 @@
 
 #define MAX_ID_LEN 64
 
+// If targeting WASM, define WASM specific stuff
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+
+void wasm_print(const char* str);
+
+#undef printf
+#define printf(fmt, ...) do { \
+    int __needed = snprintf(NULL, 0, fmt, ##__VA_ARGS__) + 1; \
+    char* __buf = malloc(__needed); \
+    if (__buf) { \
+        snprintf(__buf, __needed, fmt, ##__VA_ARGS__); \
+        wasm_print(__buf); \
+        free(__buf); \
+    } \
+} while(0)
+#endif
+
 typedef enum GroundInstType {
     IF, JUMP, END, INPUT, PRINT, PRINTLN, SET, GETTYPE, EXISTS, SETLIST, SETLISTAT, GETLISTAT, GETLISTSIZE, LISTAPPEND, GETSTRSIZE, GETSTRCHARAT, ADD, SUBTRACT, MULTIPLY, DIVIDE, EQUAL, INEQUAL, NOT, GREATER, LESSER, STOI, STOD, ITOC, CTOI, TOSTRING, FUN, RETURN, ENDFUN, PUSHARG, CALL, STRUCT, ENDSTRUCT, INIT, GETFIELD, SETFIELD, USE, EXTERN, CREATELABEL, PAUSE, DROP, ERRORCMD
 } GroundInstType;