M Makefile → Makefile

@@ -1,15 +1,15 @@ 
-CC ?= gcc
-CFLAGS ?= -Wall -Wextra -g
-LDFLAGS ?=
+CC = gcc
+CFLAGS = -Wall -Wextra -g
+LDFLAGS =
 
 hex: hex.c
-	$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
+	$(CC) $(CFLAGS) $(LDFLAGS) $< -o hex
 
 wasm: hex.c
 	 emcc -sASYNCIFY -sEXPORTED_RUNTIME_METHODS=stringToUTF8 hex.c -o web/assets/hex.js --pre-js web/assets/hex-playground.js
 
 ape: hex.c
-	cosmocc $(CFLAGS) $(LDFLAGS) $< -o $@
+	cosmocc $(CFLAGS) $(LDFLAGS) $< -o hex
 
 .PHONY: clean
 clean:

D build.cmd

@@ -1,3 +0,0 @@ 
-gcc -Wall -Wextra -g hex.c -o hex.exe
-emcc -sASYNCIFY -sEXPORTED_RUNTIME_METHODS=stringToUTF8 hex.c -o web/assets/hex.js --pre-js web/assets/hex-playground.js
-cosmocc -o hex hex.c

M hex.c → hex.c

@@ -77,7 +77,7 @@ if (strcmp(ctx->registry.entries[i].key, key) == 0)
         {
             if (ctx->registry.entries[i].value.type == HEX_TYPE_NATIVE_SYMBOL)
             {
-                hex_error(ctx, "Cannot overwrite native symbol %s", key);
+                hex_error(ctx, "Cannot overwrite native symbol '%s'", key);
                 return 1;
             }
             free(ctx->registry.entries[i].key);
@@ -1108,6 +1108,12 @@ if (item.type != HEX_TYPE_STRING)
     {
         FREE(ctx, item);
         hex_error(ctx, "Variable name must be a string");
+        return 1;
+    }
+    if (hex_valid_native_symbol(ctx, item.data.str_value))
+    {
+        hex_error(ctx, "Cannot free native symbol '%s'", item.data.str_value);
+        FREE(ctx, item);
         return 1;
     }
     for (int i = 0; i < ctx->registry.size; i++)
@@ -2956,7 +2962,6 @@ CloseHandle(pi.hProcess);
     CloseHandle(pi.hThread);
     CloseHandle(hOutputRead);
     CloseHandle(hErrorRead);
-
 #else
     // POSIX implementation (Linux/macOS)
     int stdout_pipe[2];

M web/contents/home.html → web/contents/home.html

@@ -34,14 +34,14 @@ inside a quotation that is then printed:</p>
     <pre><code>"ls" run 0x1 get "&bsol;n" split puts</code></pre>
     <p>Note that <strong>no variable is used in the code above</strong>! Let's break it down:</p>
     <ul>
-        <li>The string <code>ls</code> is pushed on the stack.</li>
+        <li>The string <code>"ls"</code> is pushed on the stack.</li>
         <li>The <code>run</code> symbol is executed, which runs the command <code>ls</code> and pushes quotation on the
             stack
             containing three elements: the return code of the program, its standard output, and its standard error.</li>
         <li>The integer <code>0x1</code> is pushed on the stack.</li>
         <li>The <code>get</code> symbol is executed, which retrieves the second element of the quotation (the standard
             output).</li>
-        <li>The string <code>&bsol;n</code> is pushed on the stack.</li>
+        <li>The string <code>"&bsol;n"</code> is pushed on the stack.</li>
         <li>The <code>split</code> symbol is executed, which splits the string using the newline character as a
             separator.</li>
         <li>The <code>puts</code> symbol is executed, which prints the quotation on the stack.</li>