tb implement command logging

user/tb/interp.c

@@ -150,7 +150,7 @@ bool interp_readline(char *data, const char **bgptr, const char **endptr) {
   return true;
 }
 
-bool interp_runstring(const char *string, InterpResult **res) {
+bool interp_runstring(const char *string, InterpResult **res, bool logcmds) {
   *res = &RES;
   string_memset(RES.errmsg, 0, sizeof(RES.errmsg));
   
@@ -160,6 +160,11 @@ bool interp_runstring(const char *string, InterpResult **res) {
   interp_readline((char *)string, NULL, NULL);
   while (interp_readline(NULL, &bg, &end)) {
     size_t linelen = end - bg;
+
+    if (logcmds) {
+      uprintf("+ %.*s\n", (int)linelen, bg);
+    }
+
     Tokenizer tz = {0};
     tz_init(&tz, bg, linelen);
   

user/tb/interp.h

@@ -33,6 +33,6 @@ typedef struct {
   Token *tokens;
 } Tokenizer;
 
-bool interp_runstring(const char *string, InterpResult **res);
+bool interp_runstring(const char *string, InterpResult **res, bool logcmds);
 
 #endif // TB_INTERP_H_

user/tb/main.c

@@ -20,7 +20,10 @@ uint64_t PID;
 struct {
   char *modestr;
   enum { MODE_INTERACTIVE = 1, MODE_RUNFILE = 2 } mode;
+
   char *filepath;
+
+  bool logcmds;
 } CONFIG;
 
 #define LINEBUF_MAX 1024
@@ -28,6 +31,7 @@ struct {
 static Arg ARGS[] = {
   ARG("-m", ARG_STRING, &CONFIG.modestr),
   ARG("-f", ARG_STRING, &CONFIG.filepath),
+  ARG("-logcmds", ARG_BOOL, &CONFIG.logcmds),
   ARG_END(),
 };
 
@@ -79,7 +83,7 @@ void do_file(char *filepath) {
   }
 
   InterpResult *res;
-  bool ok = interp_runstring((const char *)buf, &res);
+  bool ok = interp_runstring((const char *)buf, &res, CONFIG.logcmds);
   if (!ok) {
     uprintf("Interpreter error:\n");
     uprintf("%s\n", res->errmsg);
@@ -109,7 +113,7 @@ void do_mode_interactive(void) {
     linebuf[cursor - 1] = '\0';
     uprintf("\n");
     InterpResult *res;
-    if (!interp_runstring(linebuf, &res)) {
+    if (!interp_runstring(linebuf, &res, CONFIG.logcmds)) {
       LOG(LOG_ERR, "%s\n", res->errmsg);
     }
   }