Add handling of :info command

Author: sourrust

src/commands.c

@@ -2,16 +2,23 @@
 
 #include <stdbool.h>
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #include "util.h"
+#include "commands/debugger.h"
 
 static const char* quit_matches[] = {"quit", "q"};
 static const char* help_matches[] = {"help", "?"};
 
+/* Debugger commands */
+static const char* debug_info_matches[] = {"info"};
+
 static void print_commands_help() {
   puts("  Commands available:\n");
-  puts("    :quit, :q  \tExit laco");
-  puts("    :help, :?  \tDisplay this list of commands");
+  puts("    :quit, :q     \tExit laco");
+  puts("    :help, :?     \tDisplay this list of commands");
+  puts("    :info <name>  \tShow information on given function");
 }
 
 static inline bool is_quit(const char* command) {
@@ -22,17 +29,31 @@ static inline bool is_help(const char* command) {
   return laco_is_match(help_matches, command);
 }
 
+static inline bool is_debug_info(const char* command) {
+  return laco_is_match(debug_info_matches, command);
+}
+
 void laco_handle_command(struct LacoState* laco, char* line) {
   if(laco != NULL && line != NULL) {
-    const char* command = line + 1;
+    char* command_line   = strdup(line + 1);
+    char** command_words = laco_line_to_words(command_line);
+
+    /* Alias for  */
+    const char* command    = command_words[0];
+    const char** arguments = (const char**) command_words + 1;
 
     if(is_quit(command)) {
       laco_kill(laco, 0, "Exiting laco...");
     } else if(is_help(command))  {
       print_commands_help();
+    } else if(is_debug_info(command)) {
+      laco_print_debug_info(laco, arguments[0]);
     }
 
-    /* Make it seem like this was an empty line */
+    free(command_line);
+    free(command_words);
+
+    /* Make it seems like this was an empty line */
     line[0] = '\0';
   }
 }