Restored --percent option, added baseline test

src/account.cc

@@ -194,6 +194,10 @@ namespace {
     return false;
   }
 
+  value_t get_true(account_t&) {
+    return true;
+  }
+
   value_t get_depth_spacer(account_t& account)
   {
     std::size_t depth = 0;
@@ -217,6 +221,10 @@ namespace {
   value_t get_wrapper(call_scope_t& scope) {
     return (*Func)(find_scope<account_t>(scope));
   }
+
+  value_t get_parent(account_t& account) {
+    return value_t(static_cast<scope_t *>(account.parent));
+  }
 }
 
 expr_t::ptr_op_t account_t::lookup(const string& name)
@@ -243,9 +251,16 @@ expr_t::ptr_op_t account_t::lookup(const string& name)
       return WRAP_FUNCTOR(get_wrapper<&get_depth_spacer>);
     break;
 
+  case 'i':
+    if (name == "is_account")
+      return WRAP_FUNCTOR(get_wrapper<&get_true>);
+    break;
+
   case 'p':
     if (name == "partial_account")
       return WRAP_FUNCTOR(get_partial_name);
+    else if (name == "parent")
+      return WRAP_FUNCTOR(get_wrapper<&get_parent>);
     break;
 
   case 's':

src/item.cc

@@ -247,6 +247,10 @@ namespace {
     return 0L;
   }
 
+  value_t ignore(item_t&) {
+    return false;
+  }
+
   template <value_t (*Func)(item_t&)>
   value_t get_wrapper(call_scope_t& scope) {
     return (*Func)(find_scope<item_t>(scope));
@@ -330,6 +334,11 @@ expr_t::ptr_op_t item_t::lookup(const string& name)
       return WRAP_FUNCTOR(ledger::has_tag);
     break;
 
+  case 'i':
+    if (name == "is_account")
+      return WRAP_FUNCTOR(get_wrapper<&ignore>);
+    break;
+
   case 'm':
     if (name == "meta")
       return WRAP_FUNCTOR(ledger::get_tag);
@@ -343,6 +352,8 @@ expr_t::ptr_op_t item_t::lookup(const string& name)
   case 'p':
     if (name == "pending")
       return WRAP_FUNCTOR(get_wrapper<&get_pending>);
+    else if (name == "parent")
+      return WRAP_FUNCTOR(get_wrapper<&ignore>);
     break;
 
   case 's':

src/op.cc

@@ -166,6 +166,10 @@ value_t expr_t::op_t::calc(scope_t& scope, ptr_op_t * locus)
       call_scope_t call_args(scope);
       if (value_t obj = left()->left()->as_function()(call_args)) {
 	if (obj.is_pointer()) {
+	  if (obj.as_pointer_lval<scope_t>() == NULL) {
+	    throw_(calc_error,
+		   _("Left operand of . operator is NULL"));
+	  } else {
 	    scope_t& objscope(obj.as_ref_lval<scope_t>());
 	    if (ptr_op_t member = objscope.lookup(right()->as_ident())) {
 	      result = member->calc(objscope);
@@ -174,6 +178,7 @@ value_t expr_t::op_t::calc(scope_t& scope, ptr_op_t * locus)
 	  }
 	}
       }
+    }
     if (right()->kind != IDENT)
       throw_(calc_error,
 	     _("Right operand of . operator must be an identifier"));

src/output.cc

@@ -209,7 +209,8 @@ void format_accounts::flush()
   foreach (account_t * account, posted_accounts)
     displayed += post_account(*account);
 
-  if (! report.HANDLED(no_total) && displayed > 1) {
+  if (displayed > 1 &&
+      ! report.HANDLED(no_total) && ! report.HANDLED(percent)) {
     bind_scope_t bound_scope(report, *report.session.master);
     separator_format.format(out, bound_scope);
     total_line_format.format(out, bound_scope);

src/post.cc

@@ -302,6 +302,8 @@ expr_t::ptr_op_t post_t::lookup(const string& name)
       return WRAP_FUNCTOR(get_wrapper<&get_payee>);
     else if (name == "primary")
       return WRAP_FUNCTOR(get_wrapper<&get_commodity_is_primary>);
+    else if (name == "parent")
+      return WRAP_FUNCTOR(get_wrapper<&get_xact>);
     break;
 
   case 'r':

src/report.cc

@@ -291,6 +291,13 @@ value_t report_t::fn_ansify_if(call_scope_t& scope)
   }
 }
 
+value_t report_t::fn_percent(call_scope_t& scope)
+{
+  interactive_t args(scope, "aa");
+  return (amount_t("100.00%") *
+	  (args.get<amount_t>(0) / args.get<amount_t>(1)).number());
+}
+
 namespace {
   value_t fn_black(call_scope_t&) {
     return string_value("black");
@@ -402,7 +409,7 @@ option_t<report_t> * report_t::lookup_option(const char * p)
 {
   switch (*p) {
   case '%':
-    OPT_CH(percentage);
+    OPT_CH(percent);
     break;
   case 'A':
     OPT_CH(average);
@@ -568,7 +575,7 @@ option_t<report_t> * report_t::lookup_option(const char * p)
     OPT(pager_);
     else OPT(payee_as_account);
     else OPT(pending);
-    else OPT(percentage);
+    else OPT(percent);
     else OPT_(period_);
     else OPT(period_sort_);
     else OPT(plot_amount_format_);
@@ -842,6 +849,8 @@ expr_t::ptr_op_t report_t::lookup(const string& name)
     }
     else if (is_eq(p, "post"))
       return WRAP_FUNCTOR(fn_false);
+    else if (is_eq(p, "percent"))
+      return MAKE_FUNCTOR(report_t::fn_percent);
     break;
 
   case 'q':

src/report.h

@@ -155,6 +155,7 @@ public:
   value_t fn_join(call_scope_t& scope);
   value_t fn_format_date(call_scope_t& scope);
   value_t fn_ansify_if(call_scope_t& scope);
+  value_t fn_percent(call_scope_t& scope);
 
 #if 0
   value_t fn_now(call_scope_t&) {
@@ -248,7 +249,7 @@ public:
     HANDLER(pager_).report(out);
     HANDLER(payee_as_account).report(out);
     HANDLER(pending).report(out);
-    HANDLER(percentage).report(out);
+    HANDLER(percent).report(out);
     HANDLER(period_).report(out);
     HANDLER(period_sort_).report(out);
     HANDLER(plot_amount_format_).report(out);
@@ -582,7 +583,11 @@ public:
       parent->HANDLER(limit_).on(string("--pending"), "pending");
     });
 
-  OPTION(report_t, percentage); // -%
+  OPTION_(report_t, percent, DO() { // -%
+      parent->HANDLER(total_)
+	.set_expr(string("--percent"),
+		  "is_account&parent&parent.total&percent(total, parent.total)");
+    });
 
   OPTION__
   (report_t, period_, // -p

src/session.cc

@@ -81,6 +81,12 @@ session_t::session_t()
     commodity->add_flags(COMMODITY_BUILTIN | COMMODITY_NOMARKET);
   else
     assert(false);
+
+  // Add a "percentile" commodity
+  if (commodity_t * commodity = commodity_pool->create("%"))
+    commodity->add_flags(COMMODITY_BUILTIN | COMMODITY_NOMARKET);
+  else
+    assert(false);
 }
 
 std::size_t session_t::read_journal(std::istream& in,

test/baseline/opt-percent.test

@@ -0,0 +1,94 @@
+bal --percent
+<<<
+2008/01/11 LIAT
+    Expenses:Travel:Airfare                   $40.00
+    Liabilities:MasterCard                      
+
+2008/01/14 cheaptickets.com
+    Expenses:Travel:Airfare                  $182.19
+    Liabilities:MasterCard                      
+
+2008/02/05 CTX
+    Expenses:Travel:Auto                     $240.38
+    Liabilities:MasterCard                      
+
+2008/02/05 UNITED
+    Expenses:Travel:Airfare                  $238.80
+    Liabilities:MasterCard                      
+
+2008/02/05 UNITED
+    Expenses:Travel:Airfare                  $238.80
+    Liabilities:MasterCard                      
+
+2008/02/22 BUDGET RENT-A-CAR
+    Expenses:Travel:Auto                      $40.59
+    Liabilities:MasterCard                      
+
+2008/03/16 IBERIA
+    Expenses:Travel:Airfare                $1,231.60
+    Liabilities:MasterCard                      
+
+2008/03/16 IBERIA
+    Expenses:Travel:Airfare                $1,231.60
+    Liabilities:MasterCard                      
+
+2008/04/03 AMERICAN
+    Expenses:Travel:Airfare                  $155.86
+    Liabilities:MasterCard                      
+
+2008/04/03 AMERICAN
+    Expenses:Travel:Airfare                  $155.86
+    Liabilities:MasterCard                      
+
+2008/04/30 UNITED
+    Expenses:Travel:Airfare                  $437.21
+    Liabilities:MasterCard                      
+
+2008/04/30 UNITED
+    Expenses:Travel:Airfare                  $437.21
+    Liabilities:MasterCard                      
+
+2008/08/08 BCIS I-131 FILING FEE-
+    Expenses:Travel:Passport                 $170.00
+    Liabilities:MasterCard                      
+
+2008/09/06 AMERICAN
+    Expenses:Travel:Airfare                  $912.60
+    Liabilities:MasterCard                      
+
+2008/09/06 AMERICAN
+    Expenses:Travel:Airfare                  $912.60
+    Liabilities:MasterCard                      
+
+2008/09/22 AGNT FEE
+    Expenses:Travel:Airfare                   $70.00
+    Liabilities:MasterCard                      
+
+2008/09/22 DELTA
+    Expenses:Travel:Airfare                  $806.20
+    Liabilities:MasterCard                      
+
+2008/09/22 DELTA
+    Expenses:Travel:Airfare                  $806.20
+    Liabilities:MasterCard                      
+
+2008/09/22 LIAT 1974 LIMITED
+    Expenses:Travel:Airfare                  $418.34
+    Liabilities:MasterCard                      
+
+2008/12/26 U.S. Department of State
+    Expenses:Travel:Passport                 $127.00
+    Assets:Checking                             
+
+2008/12/26 U.S. Department of State
+    Expenses:Travel:Passport                 $127.00
+    Assets:Checking                             
+>>>1
+             100.00%  Assets:Checking
+             100.00%  Expenses:Travel
+              92.15%    Airfare
+               3.13%    Auto
+               4.72%    Passport
+             100.00%  Liabilities:MasterCard
+>>>2
+=== 0