M xywasm.c → xywasm.c

@@ -814,6 +814,53 @@ }
         }
         else if (in_string)
         {
+            if (c == '\\')
+            {
+                // Handle escape sequences
+                char next_char;
+                if (ctx->src == SRC_FILE)
+                {
+                    if (fread(&next_char, 1, 1, ctx->fp) != 1)
+                    {
+                        token_error("Unterminated escape sequence in string literal");
+                        return TOKEN_END_INVALID;
+                    }
+                }
+                else
+                {
+                    if (!ctx->sp || *ctx->sp == '\0')
+                    {
+                        token_error("Unterminated escape sequence in string literal");
+                        return TOKEN_END_INVALID;
+                    }
+                    next_char = *ctx->sp++;
+                }
+                ctx->column++;
+                switch (next_char)
+                {
+                case 'n':
+                    c = '\n';
+                    break;
+                case 't':
+                    c = '\t';
+                    break;
+                case '"':
+                    c = '"';
+                    break;
+                case 'r':
+                    c = '\r';
+                    break;
+                case '\'':
+                    c = '\'';
+                    break;
+                case '\\':
+                    c = '\\';
+                    break;
+                default:
+                    token_error("Unknown escape sequence in string literal");
+                    return TOKEN_END_INVALID;
+                }
+            }
             ctx->column++;
             if (token_length > STRING_MAX_LENGTH)
             {