X-Git-Url: http://nitlanguage.org

diff --git a/c_src/opts.sep.1.c b/c_src/opts.sep.1.c
index 5ea6272..ab29be2 100644
--- a/c_src/opts.sep.1.c
+++ b/c_src/opts.sep.1.c
@@ -1,57 +1,66 @@
 #include "opts.sep.0.h"
-/* method opts#Option#names for (self: Option): Array[String] */
+/* method opts$Option$names for (self: Option): Array[String] */
 val* opts___opts__Option___names(val* self) {
 val* var /* : Array[String] */;
 val* var1 /* : Array[String] */;
 var1 = self->attrs[COLOR_opts__Option___names].val; /* _names on <self:Option> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _names");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 19);
-show_backtrace(1);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#names= for (self: Option, Array[String]) */
+/* method opts$Option$names= for (self: Option, Array[String]) */
 void opts___opts__Option___names_61d(val* self, val* p0) {
 self->attrs[COLOR_opts__Option___names].val = p0; /* _names on <self:Option> */
 RET_LABEL:;
 }
-/* method opts#Option#helptext for (self: Option): String */
+/* method opts$Option$helptext for (self: Option): String */
 val* opts___opts__Option___helptext(val* self) {
 val* var /* : String */;
 val* var1 /* : String */;
 var1 = self->attrs[COLOR_opts__Option___helptext].val; /* _helptext on <self:Option> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _helptext");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 25);
-show_backtrace(1);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#helptext= for (self: Option, String) */
+/* method opts$Option$helptext= for (self: Option, String) */
 void opts___opts__Option___helptext_61d(val* self, val* p0) {
 self->attrs[COLOR_opts__Option___helptext].val = p0; /* _helptext on <self:Option> */
 RET_LABEL:;
 }
-/* method opts#Option#errors for (self: Option): Array[String] */
+/* method opts$Option$errors for (self: Option): Array[String] */
 val* opts___opts__Option___errors(val* self) {
 val* var /* : Array[String] */;
 val* var1 /* : Array[String] */;
 var1 = self->attrs[COLOR_opts__Option___errors].val; /* _errors on <self:Option> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _errors");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 28);
-show_backtrace(1);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#mandatory for (self: Option): Bool */
+/* method opts$Option$mandatory for (self: Option): Bool */
 short int opts___opts__Option___mandatory(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -60,7 +69,7 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#hidden for (self: Option): Bool */
+/* method opts$Option$hidden for (self: Option): Bool */
 short int opts___opts__Option___hidden(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -69,12 +78,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#hidden= for (self: Option, Bool) */
+/* method opts$Option$hidden= for (self: Option, Bool) */
 void opts___opts__Option___hidden_61d(val* self, short int p0) {
 self->attrs[COLOR_opts__Option___hidden].s = p0; /* _hidden on <self:Option> */
 RET_LABEL:;
 }
-/* method opts#Option#read for (self: Option): Bool */
+/* method opts$Option$read for (self: Option): Bool */
 short int opts___opts__Option___read(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -83,12 +92,12 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#read= for (self: Option, Bool) */
+/* method opts$Option$read= for (self: Option, Bool) */
 void opts___opts__Option___read_61d(val* self, short int p0) {
 self->attrs[COLOR_opts__Option___read].s = p0; /* _read on <self:Option> */
 RET_LABEL:;
 }
-/* method opts#Option#value for (self: Option): nullable Object */
+/* method opts$Option$value for (self: Option): nullable Object */
 val* opts___opts__Option___value(val* self) {
 val* var /* : nullable Object */;
 val* var1 /* : nullable Object */;
@@ -97,7 +106,7 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#value= for (self: Option, nullable Object) */
+/* method opts$Option$value= for (self: Option, nullable Object) */
 void opts___opts__Option___value_61d(val* self, val* p0) {
 short int var /* : Bool */;
 int cltype;
@@ -114,22 +123,22 @@ is_nullable = type_struct->is_nullable;
 if(p0 == NULL) {
 var = is_nullable;
 } else {
-if(cltype >= p0->type->table_size) {
+if(cltype >= (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->table_size) {
 var = 0;
 } else {
-var = p0->type->type_table[cltype] == idtype;
+var = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == idtype;
 }
 }
 if (unlikely(!var)) {
-var_class_name = p0 == NULL ? "null" : p0->type->name;
+var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 40);
-show_backtrace(1);
+fatal_exit(1);
 }
 self->attrs[COLOR_opts__Option___value].val = p0; /* _value on <self:Option> */
 RET_LABEL:;
 }
-/* method opts#Option#default_value= for (self: Option, nullable Object) */
+/* method opts$Option$default_value= for (self: Option, nullable Object) */
 void opts___opts__Option___default_value_61d(val* self, val* p0) {
 short int var /* : Bool */;
 int cltype;
@@ -146,22 +155,22 @@ is_nullable = type_struct->is_nullable;
 if(p0 == NULL) {
 var = is_nullable;
 } else {
-if(cltype >= p0->type->table_size) {
+if(cltype >= (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->table_size) {
 var = 0;
 } else {
-var = p0->type->type_table[cltype] == idtype;
+var = (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->type_table[cltype] == idtype;
 }
 }
 if (unlikely(!var)) {
-var_class_name = p0 == NULL ? "null" : p0->type->name;
+var_class_name = p0 == NULL ? "null" : (((long)p0&3)?type_info[((long)p0&3)]:p0->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 43);
-show_backtrace(1);
+fatal_exit(1);
 }
 self->attrs[COLOR_opts__Option___default_value].val = p0; /* _default_value on <self:Option> */
 RET_LABEL:;
 }
-/* method opts#Option#init for (self: Option, String, nullable Object, nullable Array[String]) */
+/* method opts$Option$init for (self: Option, String, nullable Object, nullable Array[String]) */
 void opts___opts__Option___init(val* self, val* p0, val* p1, val* p2) {
 short int var /* : Bool */;
 int cltype;
@@ -181,27 +190,32 @@ is_nullable = type_struct->is_nullable;
 if(p1 == NULL) {
 var = is_nullable;
 } else {
-if(cltype >= p1->type->table_size) {
+if(cltype >= (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->table_size) {
 var = 0;
 } else {
-var = p1->type->type_table[cltype] == idtype;
+var = (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->type_table[cltype] == idtype;
 }
 }
 if (unlikely(!var)) {
-var_class_name = p1 == NULL ? "null" : p1->type->name;
+var_class_name = p1 == NULL ? "null" : (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 46);
-show_backtrace(1);
+fatal_exit(1);
+}
+{
+{ /* Inline kernel$Object$init (self) on <self:Option> */
+RET_LABEL1:(void)0;
+}
 }
 var_help = p0;
 var_default = p1;
 var_names = p2;
 {
-opts___opts__Option___init_opt(self, var_help, var_default, var_names); /* Direct call opts#Option#init_opt on <self:Option>*/
+opts___opts__Option___init_opt(self, var_help, var_default, var_names); /* Direct call opts$Option$init_opt on <self:Option>*/
 }
 RET_LABEL:;
 }
-/* method opts#Option#init_opt for (self: Option, String, nullable Object, nullable Array[String]) */
+/* method opts$Option$init_opt for (self: Option, String, nullable Object, nullable Array[String]) */
 void opts___opts__Option___init_opt(val* self, val* p0, val* p1, val* p2) {
 short int var /* : Bool */;
 int cltype;
@@ -212,23 +226,22 @@ const char* var_class_name;
 val* var_help /* var help: String */;
 val* var_default /* var default: nullable Object */;
 val* var_names /* var names: nullable Array[String] */;
-val* var1 /* : null */;
+short int var1 /* : Bool */;
 short int var2 /* : Bool */;
-short int var3 /* : Bool */;
-val* var4 /* : Array[String] */;
-val* var6 /* : Array[nullable Object] */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
-const struct type* type_struct13;
-short int is_nullable14;
-const char* var_class_name15;
-short int var17 /* : Bool */;
-int cltype18;
-int idtype19;
-const struct type* type_struct20;
-short int is_nullable21;
-const char* var_class_name22;
+val* var3 /* : Array[String] */;
+val* var5 /* : Array[nullable Object] */;
+short int var9 /* : Bool */;
+int cltype10;
+int idtype11;
+const struct type* type_struct12;
+short int is_nullable13;
+const char* var_class_name14;
+short int var16 /* : Bool */;
+int cltype17;
+int idtype18;
+const struct type* type_struct19;
+short int is_nullable20;
+const char* var_class_name21;
 /* Covariant cast for argument 1 (default) <p1:nullable Object> isa VALUE */
 /* <p1:nullable Object> isa VALUE */
 type_struct = self->type->resolution_table->types[COLOR_opts__Option__VALUE];
@@ -238,477 +251,498 @@ is_nullable = type_struct->is_nullable;
 if(p1 == NULL) {
 var = is_nullable;
 } else {
-if(cltype >= p1->type->table_size) {
+if(cltype >= (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->table_size) {
 var = 0;
 } else {
-var = p1->type->type_table[cltype] == idtype;
+var = (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->type_table[cltype] == idtype;
 }
 }
 if (unlikely(!var)) {
-var_class_name = p1 == NULL ? "null" : p1->type->name;
+var_class_name = p1 == NULL ? "null" : (((long)p1&3)?type_info[((long)p1&3)]:p1->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 51);
-show_backtrace(1);
+fatal_exit(1);
 }
 var_help = p0;
 var_default = p1;
 var_names = p2;
-var1 = NULL;
 if (var_names == NULL) {
-var2 = 1; /* is null */
+var1 = 1; /* is null */
 } else {
-var2 = 0; /* arg is null but recv is not */
+var1 = 0; /* arg is null but recv is not */
 }
 if (0) {
-var3 = standard___standard__Array___standard__kernel__Object___61d_61d(var_names, var1);
-var2 = var3;
+var2 = core___core__Array___core__kernel__Object___61d_61d(var_names, ((val*)NULL));
+var1 = var2;
 }
-if (var2){
-var4 = NEW_standard__Array(&type_standard__Array__standard__String);
+if (var1){
+var3 = NEW_core__Array(&type_core__Array__core__String);
 {
-standard___standard__Array___standard__kernel__Object__init(var4); /* Direct call array#Array#init on <var4:Array[String]>*/
+core___core__Array___core__kernel__Object__init(var3); /* Direct call array$Array$init on <var3:Array[String]>*/
 }
 {
-{ /* Inline opts#Option#names= (self,var4) on <self:Option> */
-self->attrs[COLOR_opts__Option___names].val = var4; /* _names on <self:Option> */
-RET_LABEL5:(void)0;
+{ /* Inline opts$Option$names= (self,var3) on <self:Option> */
+self->attrs[COLOR_opts__Option___names].val = var3; /* _names on <self:Option> */
+RET_LABEL4:(void)0;
 }
 }
 } else {
 {
-var6 = standard__array___Collection___to_a(var_names);
+var5 = core__array___Collection___to_a(var_names);
 }
 {
-{ /* Inline opts#Option#names= (self,var6) on <self:Option> */
-self->attrs[COLOR_opts__Option___names].val = var6; /* _names on <self:Option> */
-RET_LABEL7:(void)0;
+{ /* Inline opts$Option$names= (self,var5) on <self:Option> */
+self->attrs[COLOR_opts__Option___names].val = var5; /* _names on <self:Option> */
+RET_LABEL6:(void)0;
 }
 }
 }
 {
-{ /* Inline opts#Option#helptext= (self,var_help) on <self:Option> */
+{ /* Inline opts$Option$helptext= (self,var_help) on <self:Option> */
 self->attrs[COLOR_opts__Option___helptext].val = var_help; /* _helptext on <self:Option> */
-RET_LABEL8:(void)0;
+RET_LABEL7:(void)0;
 }
 }
 {
-{ /* Inline opts#Option#default_value= (self,var_default) on <self:Option> */
+{ /* Inline opts$Option$default_value= (self,var_default) on <self:Option> */
 /* Covariant cast for argument 0 (default_value) <var_default:nullable Object> isa VALUE */
 /* <var_default:nullable Object> isa VALUE */
-type_struct13 = self->type->resolution_table->types[COLOR_opts__Option__VALUE];
-cltype11 = type_struct13->color;
-idtype12 = type_struct13->id;
-is_nullable14 = type_struct13->is_nullable;
+type_struct12 = self->type->resolution_table->types[COLOR_opts__Option__VALUE];
+cltype10 = type_struct12->color;
+idtype11 = type_struct12->id;
+is_nullable13 = type_struct12->is_nullable;
 if(var_default == NULL) {
-var10 = is_nullable14;
+var9 = is_nullable13;
 } else {
-if(cltype11 >= var_default->type->table_size) {
-var10 = 0;
+if(cltype10 >= (((long)var_default&3)?type_info[((long)var_default&3)]:var_default->type)->table_size) {
+var9 = 0;
 } else {
-var10 = var_default->type->type_table[cltype11] == idtype12;
+var9 = (((long)var_default&3)?type_info[((long)var_default&3)]:var_default->type)->type_table[cltype10] == idtype11;
 }
 }
-if (unlikely(!var10)) {
-var_class_name15 = var_default == NULL ? "null" : var_default->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name15);
+if (unlikely(!var9)) {
+var_class_name14 = var_default == NULL ? "null" : (((long)var_default&3)?type_info[((long)var_default&3)]:var_default->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name14);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 43);
-show_backtrace(1);
+fatal_exit(1);
 }
 self->attrs[COLOR_opts__Option___default_value].val = var_default; /* _default_value on <self:Option> */
-RET_LABEL9:(void)0;
+RET_LABEL8:(void)0;
 }
 }
 {
-{ /* Inline opts#Option#value= (self,var_default) on <self:Option> */
+{ /* Inline opts$Option$value= (self,var_default) on <self:Option> */
 /* Covariant cast for argument 0 (value) <var_default:nullable Object> isa VALUE */
 /* <var_default:nullable Object> isa VALUE */
-type_struct20 = self->type->resolution_table->types[COLOR_opts__Option__VALUE];
-cltype18 = type_struct20->color;
-idtype19 = type_struct20->id;
-is_nullable21 = type_struct20->is_nullable;
+type_struct19 = self->type->resolution_table->types[COLOR_opts__Option__VALUE];
+cltype17 = type_struct19->color;
+idtype18 = type_struct19->id;
+is_nullable20 = type_struct19->is_nullable;
 if(var_default == NULL) {
-var17 = is_nullable21;
+var16 = is_nullable20;
 } else {
-if(cltype18 >= var_default->type->table_size) {
-var17 = 0;
+if(cltype17 >= (((long)var_default&3)?type_info[((long)var_default&3)]:var_default->type)->table_size) {
+var16 = 0;
 } else {
-var17 = var_default->type->type_table[cltype18] == idtype19;
+var16 = (((long)var_default&3)?type_info[((long)var_default&3)]:var_default->type)->type_table[cltype17] == idtype18;
 }
 }
-if (unlikely(!var17)) {
-var_class_name22 = var_default == NULL ? "null" : var_default->type->name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name22);
+if (unlikely(!var16)) {
+var_class_name21 = var_default == NULL ? "null" : (((long)var_default&3)?type_info[((long)var_default&3)]:var_default->type)->name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name21);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 40);
-show_backtrace(1);
+fatal_exit(1);
 }
 self->attrs[COLOR_opts__Option___value].val = var_default; /* _value on <self:Option> */
-RET_LABEL16:(void)0;
+RET_LABEL15:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method opts#Option#to_s for (self: Option): String */
-val* opts___opts__Option___standard__string__Object__to_s(val* self) {
+/* method opts$Option$to_s for (self: Option): String */
+val* opts___opts__Option___core__abstract_text__Object__to_s(val* self) {
 val* var /* : String */;
-long var1 /* : Int */;
-val* var2 /* : String */;
-var1 = 2;
+val* var1 /* : String */;
 {
-var2 = opts___opts__Option___pretty(self, var1);
+var1 = opts___opts__Option___pretty(self, 2l);
 }
-var = var2;
+var = var1;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#pretty for (self: Option, Int): String */
+/* method opts$Option$pretty for (self: Option, Int): String */
 val* opts___opts__Option___pretty(val* self, long p0) {
 val* var /* : String */;
 long var_off /* var off: Int */;
 val* var1 /* : FlatBuffer */;
 static val* varonce;
 val* var2 /* : String */;
-char* var3 /* : NativeString */;
-long var4 /* : Int */;
-val* var5 /* : FlatString */;
+char* var3 /* : CString */;
+val* var4 /* : String */;
+val* var5 /* : nullable Int */;
+val* var6 /* : nullable Int */;
+val* var7 /* : nullable Bool */;
+val* var8 /* : nullable Bool */;
 val* var_text /* var text: FlatBuffer */;
-val* var6 /* : Array[String] */;
-val* var8 /* : Array[String] */;
-static val* varonce9;
-val* var10 /* : String */;
-char* var11 /* : NativeString */;
-long var12 /* : Int */;
-val* var13 /* : FlatString */;
-val* var14 /* : String */;
-static val* varonce15;
-val* var16 /* : String */;
-char* var17 /* : NativeString */;
-long var18 /* : Int */;
-val* var19 /* : FlatString */;
-long var20 /* : Int */;
-long var22 /* : Int */;
-long var23 /* : Int */;
-short int var25 /* : Bool */;
+val* var9 /* : Array[String] */;
+val* var11 /* : Array[String] */;
+static val* varonce12;
+val* var13 /* : String */;
+char* var14 /* : CString */;
+val* var15 /* : String */;
+val* var16 /* : nullable Int */;
+val* var17 /* : nullable Int */;
+val* var18 /* : nullable Bool */;
+val* var19 /* : nullable Bool */;
+val* var20 /* : String */;
+static val* varonce21;
+val* var22 /* : String */;
+char* var23 /* : CString */;
+val* var24 /* : String */;
+val* var25 /* : nullable Int */;
+val* var26 /* : nullable Int */;
+val* var27 /* : nullable Bool */;
+val* var28 /* : nullable Bool */;
+long var29 /* : Int */;
+long var31 /* : Int */;
+long var32 /* : Int */;
+short int var34 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-long var26 /* : Int */;
+long var35 /* : Int */;
 long var_rest /* var rest: Int */;
-long var27 /* : Int */;
-short int var28 /* : Bool */;
-short int var30 /* : Bool */;
-int cltype31;
-int idtype32;
-const char* var_class_name33;
-short int var34 /* : Bool */;
-static val* varonce35;
-val* var36 /* : String */;
-char* var37 /* : NativeString */;
-long var38 /* : Int */;
-val* var39 /* : FlatString */;
-val* var40 /* : String */;
-val* var41 /* : String */;
-val* var43 /* : String */;
+short int var36 /* : Bool */;
+short int var38 /* : Bool */;
+int cltype39;
+int idtype40;
+const char* var_class_name41;
+short int var42 /* : Bool */;
+static val* varonce43;
 val* var44 /* : String */;
+char* var45 /* : CString */;
+val* var46 /* : String */;
+val* var47 /* : nullable Int */;
+val* var48 /* : nullable Int */;
+val* var49 /* : nullable Bool */;
+val* var50 /* : nullable Bool */;
+val* var51 /* : Text */;
+val* var52 /* : String */;
+val* var54 /* : String */;
+val* var55 /* : String */;
 var_off = p0;
-var1 = NEW_standard__FlatBuffer(&type_standard__FlatBuffer);
-if (varonce) {
+var1 = NEW_core__FlatBuffer(&type_core__FlatBuffer);
+if (likely(varonce!=NULL)) {
 var2 = varonce;
 } else {
 var3 = "  ";
-var4 = 2;
-var5 = standard___standard__NativeString___to_s_with_length(var3, var4);
-var2 = var5;
+var5 = (val*)(2l<<2|1);
+var6 = (val*)(2l<<2|1);
+var7 = (val*)((long)(0)<<2|3);
+var8 = (val*)((long)(0)<<2|3);
+var4 = core__flat___CString___to_s_unsafe(var3, var5, var6, var7, var8);
+var2 = var4;
 varonce = var2;
 }
 {
-standard___standard__FlatBuffer___from(var1, var2); /* Direct call string#FlatBuffer#from on <var1:FlatBuffer>*/
+core___core__FlatBuffer___from(var1, var2); /* Direct call flat$FlatBuffer$from on <var1:FlatBuffer>*/
 }
 var_text = var1;
 {
-{ /* Inline opts#Option#names (self) on <self:Option> */
-var8 = self->attrs[COLOR_opts__Option___names].val; /* _names on <self:Option> */
-if (unlikely(var8 == NULL)) {
+{ /* Inline opts$Option$names (self) on <self:Option> */
+var11 = self->attrs[COLOR_opts__Option___names].val; /* _names on <self:Option> */
+if (unlikely(var11 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _names");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 19);
-show_backtrace(1);
+fatal_exit(1);
 }
-var6 = var8;
-RET_LABEL7:(void)0;
+var9 = var11;
+RET_LABEL10:(void)0;
 }
 }
-if (varonce9) {
-var10 = varonce9;
+if (likely(varonce12!=NULL)) {
+var13 = varonce12;
 } else {
-var11 = ", ";
-var12 = 2;
-var13 = standard___standard__NativeString___to_s_with_length(var11, var12);
-var10 = var13;
-varonce9 = var10;
+var14 = ", ";
+var16 = (val*)(2l<<2|1);
+var17 = (val*)(2l<<2|1);
+var18 = (val*)((long)(0)<<2|3);
+var19 = (val*)((long)(0)<<2|3);
+var15 = core__flat___CString___to_s_unsafe(var14, var16, var17, var18, var19);
+var13 = var15;
+varonce12 = var13;
 }
 {
-var14 = standard__string___Collection___join(var6, var10);
+var20 = core__abstract_text___Collection___join(var9, var13, ((val*)NULL));
 }
 {
-standard___standard__FlatBuffer___Buffer__append(var_text, var14); /* Direct call string#FlatBuffer#append on <var_text:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_text, var20); /* Direct call flat$FlatBuffer$append on <var_text:FlatBuffer>*/
 }
-if (varonce15) {
-var16 = varonce15;
+if (likely(varonce21!=NULL)) {
+var22 = varonce21;
 } else {
-var17 = "  ";
-var18 = 2;
-var19 = standard___standard__NativeString___to_s_with_length(var17, var18);
-var16 = var19;
-varonce15 = var16;
+var23 = "  ";
+var25 = (val*)(2l<<2|1);
+var26 = (val*)(2l<<2|1);
+var27 = (val*)((long)(0)<<2|3);
+var28 = (val*)((long)(0)<<2|3);
+var24 = core__flat___CString___to_s_unsafe(var23, var25, var26, var27, var28);
+var22 = var24;
+varonce21 = var22;
 }
 {
-standard___standard__FlatBuffer___Buffer__append(var_text, var16); /* Direct call string#FlatBuffer#append on <var_text:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_text, var22); /* Direct call flat$FlatBuffer$append on <var_text:FlatBuffer>*/
 }
 {
-{ /* Inline string#FlatText#length (var_text) on <var_text:FlatBuffer> */
-var22 = var_text->attrs[COLOR_standard__string__FlatText___length].l; /* _length on <var_text:FlatBuffer> */
-var20 = var22;
-RET_LABEL21:(void)0;
+{ /* Inline abstract_text$FlatText$length (var_text) on <var_text:FlatBuffer> */
+var31 = var_text->attrs[COLOR_core__abstract_text__FlatText___length].l; /* _length on <var_text:FlatBuffer> */
+var29 = var31;
+RET_LABEL30:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#- (var_off,var20) on <var_off:Int> */
-/* Covariant cast for argument 0 (i) <var20:Int> isa OTHER */
-/* <var20:Int> isa OTHER */
-var25 = 1; /* easy <var20:Int> isa OTHER*/
-if (unlikely(!var25)) {
-var_class_name = type_standard__Int.name;
+{ /* Inline kernel$Int$- (var_off,var29) on <var_off:Int> */
+/* Covariant cast for argument 0 (i) <var29:Int> isa OTHER */
+/* <var29:Int> isa OTHER */
+var34 = 1; /* easy <var29:Int> isa OTHER*/
+if (unlikely(!var34)) {
+var_class_name = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 416);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 731);
+fatal_exit(1);
 }
-var26 = var_off - var20;
-var23 = var26;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+var35 = var_off - var29;
+var32 = var35;
+goto RET_LABEL33;
+RET_LABEL33:(void)0;
 }
 }
-var_rest = var23;
-var27 = 0;
+var_rest = var32;
 {
-{ /* Inline kernel#Int#> (var_rest,var27) on <var_rest:Int> */
-/* Covariant cast for argument 0 (i) <var27:Int> isa OTHER */
-/* <var27:Int> isa OTHER */
-var30 = 1; /* easy <var27:Int> isa OTHER*/
-if (unlikely(!var30)) {
-var_class_name33 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name33);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 412);
-show_backtrace(1);
+{ /* Inline kernel$Int$> (var_rest,0l) on <var_rest:Int> */
+/* Covariant cast for argument 0 (i) <0l:Int> isa OTHER */
+/* <0l:Int> isa OTHER */
+var38 = 1; /* easy <0l:Int> isa OTHER*/
+if (unlikely(!var38)) {
+var_class_name41 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name41);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 727);
+fatal_exit(1);
 }
-var34 = var_rest > var27;
-var28 = var34;
-goto RET_LABEL29;
-RET_LABEL29:(void)0;
+var42 = var_rest > 0l;
+var36 = var42;
+goto RET_LABEL37;
+RET_LABEL37:(void)0;
 }
 }
-if (var28){
-if (varonce35) {
-var36 = varonce35;
+if (var36){
+if (likely(varonce43!=NULL)) {
+var44 = varonce43;
 } else {
-var37 = " ";
-var38 = 1;
-var39 = standard___standard__NativeString___to_s_with_length(var37, var38);
-var36 = var39;
-varonce35 = var36;
+var45 = " ";
+var47 = (val*)(1l<<2|1);
+var48 = (val*)(1l<<2|1);
+var49 = (val*)((long)(0)<<2|3);
+var50 = (val*)((long)(0)<<2|3);
+var46 = core__flat___CString___to_s_unsafe(var45, var47, var48, var49, var50);
+var44 = var46;
+varonce43 = var44;
 }
 {
-var40 = ((val* (*)(val* self, long p0))(var36->class->vft[COLOR_standard__string__String___42d]))(var36, var_rest) /* * on <var36:String>*/;
+var51 = ((val*(*)(val* self, long p0))(var44->class->vft[COLOR_core__abstract_text__Text___42d]))(var44, var_rest); /* * on <var44:String>*/
 }
 {
-standard___standard__FlatBuffer___Buffer__append(var_text, var40); /* Direct call string#FlatBuffer#append on <var_text:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_text, var51); /* Direct call flat$FlatBuffer$append on <var_text:FlatBuffer>*/
 }
 } else {
 }
 {
-{ /* Inline opts#Option#helptext (self) on <self:Option> */
-var43 = self->attrs[COLOR_opts__Option___helptext].val; /* _helptext on <self:Option> */
-if (unlikely(var43 == NULL)) {
+{ /* Inline opts$Option$helptext (self) on <self:Option> */
+var54 = self->attrs[COLOR_opts__Option___helptext].val; /* _helptext on <self:Option> */
+if (unlikely(var54 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _helptext");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 25);
-show_backtrace(1);
+fatal_exit(1);
 }
-var41 = var43;
-RET_LABEL42:(void)0;
+var52 = var54;
+RET_LABEL53:(void)0;
 }
 }
 {
-standard___standard__FlatBuffer___Buffer__append(var_text, var41); /* Direct call string#FlatBuffer#append on <var_text:FlatBuffer>*/
+core___core__FlatBuffer___core__abstract_text__Buffer__append(var_text, var52); /* Direct call flat$FlatBuffer$append on <var_text:FlatBuffer>*/
 }
 {
-var44 = standard___standard__FlatBuffer___Object__to_s(var_text);
+var55 = core___core__FlatBuffer___core__abstract_text__Object__to_s(var_text);
 }
-var = var44;
+var = var55;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method opts#Option#read_param for (self: Option, Iterator[String]) */
-void opts___opts__Option___read_param(val* self, val* p0) {
+/* method opts$Option$read_param for (self: Option, OptionContext, Iterator[String]) */
+void opts___opts__Option___read_param(val* self, val* p0, val* p1) {
+val* var_opts /* var opts: OptionContext */;
 val* var_it /* var it: Iterator[String] */;
-short int var /* : Bool */;
-var_it = p0;
-var = 1;
+var_opts = p0;
+var_it = p1;
 {
-{ /* Inline opts#Option#read= (self,var) on <self:Option> */
-self->attrs[COLOR_opts__Option___read].s = var; /* _read on <self:Option> */
+{ /* Inline opts$Option$read= (self,1) on <self:Option> */
+self->attrs[COLOR_opts__Option___read].s = 1; /* _read on <self:Option> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method opts#OptionBool#init for (self: OptionBool, String, Array[String]) */
+/* method opts$OptionBool$init for (self: OptionBool, String, Array[String]) */
 void opts___opts__OptionBool___init(val* self, val* p0, val* p1) {
 val* var_help /* var help: String */;
 val* var_names /* var names: Array[String] */;
-short int var /* : Bool */;
-val* var1 /* : nullable Object */;
+val* var /* : nullable Object */;
 var_help = p0;
 var_names = p1;
-var = 0;
 {
-var1 = BOX_standard__Bool(var); /* autobox from Bool to nullable Object */
-opts___opts__Option___init(self, var_help, var1, var_names); /* Direct call opts#Option#init on <self:OptionBool>*/
+var = (val*)((long)(0)<<2|3);
+opts___opts__Option___init(self, var_help, var, var_names); /* Direct call opts$Option$init on <self:OptionBool>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionBool#read_param for (self: OptionBool, Iterator[String]) */
-void opts___opts__OptionBool___Option__read_param(val* self, val* p0) {
+/* method opts$OptionBool$read_param for (self: OptionBool, OptionContext, Iterator[String]) */
+void opts___opts__OptionBool___Option__read_param(val* self, val* p0, val* p1) {
+val* var_opts /* var opts: OptionContext */;
 val* var_it /* var it: Iterator[String] */;
 short int var /* : Bool */;
-short int var2 /* : Bool */;
 int cltype;
 int idtype;
 const struct type* type_struct;
 const char* var_class_name;
-val* var3 /* : nullable Object */;
-var_it = p0;
+val* var2 /* : nullable Object */;
+var_opts = p0;
+var_it = p1;
 {
-((void (*)(val* self, val* p0))(self->class->vft[COLOR_opts___opts__OptionBool___Option__read_param]))(self, p0) /* read_param on <self:OptionBool>*/;
+((void(*)(val* self, val* p0, val* p1))(self->class->vft[COLOR_opts___opts__OptionBool___Option__read_param]))(self, p0, p1); /* read_param on <self:OptionBool>*/
 }
-var = 1;
 {
-{ /* Inline opts#Option#value= (self,var) on <self:OptionBool> */
-/* Covariant cast for argument 0 (value) <var:Bool> isa VALUE */
-/* <var:Bool> isa VALUE */
+{ /* Inline opts$Option$value= (self,1) on <self:OptionBool> */
+/* Covariant cast for argument 0 (value) <1:Bool> isa VALUE */
+/* <1:Bool> isa VALUE */
 type_struct = self->type->resolution_table->types[COLOR_opts__Option__VALUE];
 cltype = type_struct->color;
 idtype = type_struct->id;
-if(cltype >= (&type_standard__Bool)->table_size) {
-var2 = 0;
+if(cltype >= (&type_core__Bool)->table_size) {
+var = 0;
 } else {
-var2 = (&type_standard__Bool)->type_table[cltype] == idtype;
+var = (&type_core__Bool)->type_table[cltype] == idtype;
 }
-if (unlikely(!var2)) {
-var_class_name = type_standard__Bool.name;
+if (unlikely(!var)) {
+var_class_name = type_core__Bool.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 40);
-show_backtrace(1);
+fatal_exit(1);
 }
-var3 = BOX_standard__Bool(var); /* autobox from Bool to nullable Object */
-self->attrs[COLOR_opts__Option___value].val = var3; /* _value on <self:OptionBool> */
+var2 = (val*)((long)(1)<<2|3);
+self->attrs[COLOR_opts__Option___value].val = var2; /* _value on <self:OptionBool> */
 RET_LABEL1:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method opts#OptionCount#init for (self: OptionCount, String, Array[String]) */
+/* method opts$OptionCount$init for (self: OptionCount, String, Array[String]) */
 void opts___opts__OptionCount___init(val* self, val* p0, val* p1) {
 val* var_help /* var help: String */;
 val* var_names /* var names: Array[String] */;
-long var /* : Int */;
-val* var1 /* : nullable Object */;
+val* var /* : nullable Object */;
 var_help = p0;
 var_names = p1;
-var = 0;
 {
-var1 = BOX_standard__Int(var); /* autobox from Int to nullable Object */
-opts___opts__Option___init(self, var_help, var1, var_names); /* Direct call opts#Option#init on <self:OptionCount>*/
+var = (val*)(0l<<2|1);
+opts___opts__Option___init(self, var_help, var, var_names); /* Direct call opts$Option$init on <self:OptionCount>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionCount#read_param for (self: OptionCount, Iterator[String]) */
-void opts___opts__OptionCount___Option__read_param(val* self, val* p0) {
+/* method opts$OptionCount$read_param for (self: OptionCount, OptionContext, Iterator[String]) */
+void opts___opts__OptionCount___Option__read_param(val* self, val* p0, val* p1) {
+val* var_opts /* var opts: OptionContext */;
 val* var_it /* var it: Iterator[String] */;
 val* var_ /* var : OptionCount */;
 val* var /* : nullable Object */;
 val* var2 /* : nullable Object */;
 long var3 /* : Int */;
-long var4 /* : Int */;
-short int var6 /* : Bool */;
+short int var5 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
+long var6 /* : Int */;
 long var7 /* : Int */;
-long var8 /* : Int */;
-short int var10 /* : Bool */;
-int cltype11;
-int idtype12;
+short int var9 /* : Bool */;
+int cltype10;
+int idtype11;
 const struct type* type_struct;
-const char* var_class_name13;
-val* var14 /* : nullable Object */;
-var_it = p0;
+const char* var_class_name12;
+val* var13 /* : nullable Object */;
+var_opts = p0;
+var_it = p1;
 {
-((void (*)(val* self, val* p0))(self->class->vft[COLOR_opts___opts__OptionCount___Option__read_param]))(self, p0) /* read_param on <self:OptionCount>*/;
+((void(*)(val* self, val* p0, val* p1))(self->class->vft[COLOR_opts___opts__OptionCount___Option__read_param]))(self, p0, p1); /* read_param on <self:OptionCount>*/
 }
 var_ = self;
 {
-{ /* Inline opts#Option#value (var_) on <var_:OptionCount> */
+{ /* Inline opts$Option$value (var_) on <var_:OptionCount> */
 var2 = var_->attrs[COLOR_opts__Option___value].val; /* _value on <var_:OptionCount> */
 var = var2;
 RET_LABEL1:(void)0;
 }
 }
-var3 = 1;
 {
-{ /* Inline kernel#Int#+ (var,var3) on <var:nullable Object(Int)> */
-/* Covariant cast for argument 0 (i) <var3:Int> isa OTHER */
-/* <var3:Int> isa OTHER */
-var6 = 1; /* easy <var3:Int> isa OTHER*/
-if (unlikely(!var6)) {
-var_class_name = type_standard__Int.name;
+{ /* Inline kernel$Int$+ (var,1l) on <var:nullable Object(Int)> */
+/* Covariant cast for argument 0 (i) <1l:Int> isa OTHER */
+/* <1l:Int> isa OTHER */
+var5 = 1; /* easy <1l:Int> isa OTHER*/
+if (unlikely(!var5)) {
+var_class_name = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
 }
-var7 = ((struct instance_standard__Int*)var)->value; /* autounbox from nullable Object to Int */;
-var8 = var7 + var3;
-var4 = var8;
-goto RET_LABEL5;
-RET_LABEL5:(void)0;
+var6 = (long)(var)>>2;
+var7 = var6 + 1l;
+var3 = var7;
+goto RET_LABEL4;
+RET_LABEL4:(void)0;
 }
 }
 {
-{ /* Inline opts#Option#value= (var_,var4) on <var_:OptionCount> */
-/* Covariant cast for argument 0 (value) <var4:Int> isa VALUE */
-/* <var4:Int> isa VALUE */
+{ /* Inline opts$Option$value= (var_,var3) on <var_:OptionCount> */
+/* Covariant cast for argument 0 (value) <var3:Int> isa VALUE */
+/* <var3:Int> isa VALUE */
 type_struct = var_->type->resolution_table->types[COLOR_opts__Option__VALUE];
-cltype11 = type_struct->color;
-idtype12 = type_struct->id;
-if(cltype11 >= (&type_standard__Int)->table_size) {
-var10 = 0;
+cltype10 = type_struct->color;
+idtype11 = type_struct->id;
+if(cltype10 >= (&type_core__Int)->table_size) {
+var9 = 0;
 } else {
-var10 = (&type_standard__Int)->type_table[cltype11] == idtype12;
+var9 = (&type_core__Int)->type_table[cltype10] == idtype11;
 }
-if (unlikely(!var10)) {
-var_class_name13 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name13);
+if (unlikely(!var9)) {
+var_class_name12 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name12);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 40);
-show_backtrace(1);
+fatal_exit(1);
 }
-var14 = BOX_standard__Int(var4); /* autobox from Int to nullable Object */
-var_->attrs[COLOR_opts__Option___value].val = var14; /* _value on <var_:OptionCount> */
-RET_LABEL9:(void)0;
+var13 = (val*)(var3<<2|1);
+var_->attrs[COLOR_opts__Option___value].val = var13; /* _value on <var_:OptionCount> */
+RET_LABEL8:(void)0;
 }
 }
 RET_LABEL:;
 }
-/* method opts#OptionParameter#parameter_mandatory for (self: OptionParameter): Bool */
+/* method opts$OptionParameter$parameter_mandatory for (self: OptionParameter): Bool */
 short int opts___opts__OptionParameter___parameter_mandatory(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -717,220 +751,322 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionParameter#read_param for (self: OptionParameter, Iterator[String]) */
-void opts___opts__OptionParameter___Option__read_param(val* self, val* p0) {
+/* method opts$OptionParameter$read_param for (self: OptionParameter, OptionContext, Iterator[String]) */
+void opts___opts__OptionParameter___Option__read_param(val* self, val* p0, val* p1) {
+val* var_opts /* var opts: OptionContext */;
 val* var_it /* var it: Iterator[String] */;
 short int var /* : Bool */;
+short int var_ok /* var ok: Bool */;
 short int var1 /* : Bool */;
-short int var_ /* var : Bool */;
 short int var2 /* : Bool */;
-val* var3 /* : nullable Object */;
+short int var3 /* : Bool */;
+short int var_ /* var : Bool */;
 short int var4 /* : Bool */;
-short int var_5 /* var : Bool */;
-val* var6 /* : nullable Object */;
-val* var7 /* : SequenceRead[Char] */;
-val* var8 /* : nullable Object */;
-char var9 /* : Char */;
+short int var6 /* : Bool */;
+short int var7 /* : Bool */;
+short int var_8 /* var : Bool */;
+val* var9 /* : nullable Object */;
 short int var10 /* : Bool */;
-short int var12 /* : Bool */;
-char var13 /* : Char */;
-short int var14 /* : Bool */;
+short int var11 /* : Bool */;
+short int var_12 /* var : Bool */;
+val* var13 /* : nullable Object */;
+val* var14 /* : SequenceRead[Char] */;
 val* var15 /* : nullable Object */;
-val* var16 /* : nullable Object */;
+short int var16 /* : Bool */;
 short int var18 /* : Bool */;
+uint32_t var19 /* : Char */;
+val* var20 /* : Array[Option] */;
+val* var22 /* : Array[Option] */;
+val* var_23 /* var : Array[Option] */;
+val* var24 /* : IndexedIterator[nullable Object] */;
+val* var_25 /* var : IndexedIterator[Option] */;
+short int var26 /* : Bool */;
+val* var27 /* : nullable Object */;
+val* var_opt /* var opt: Option */;
+val* var28 /* : Array[String] */;
+val* var30 /* : Array[String] */;
+val* var31 /* : nullable Object */;
+short int var32 /* : Bool */;
+val* var33 /* : nullable Object */;
+val* var34 /* : nullable Object */;
+short int var36 /* : Bool */;
 int cltype;
 int idtype;
 const struct type* type_struct;
 short int is_nullable;
 const char* var_class_name;
-short int var19 /* : Bool */;
-short int var21 /* : Bool */;
-val* var22 /* : Array[String] */;
-val* var24 /* : Array[String] */;
+val* var37 /* : Array[String] */;
+val* var39 /* : Array[String] */;
+val* var40 /* : NativeArray[String] */;
 static val* varonce;
-val* var25 /* : String */;
-char* var26 /* : NativeString */;
-long var27 /* : Int */;
-val* var28 /* : FlatString */;
-val* var29 /* : Array[String] */;
-val* var31 /* : Array[String] */;
-val* var32 /* : nullable Object */;
-static val* varonce33;
-val* var34 /* : String */;
-char* var35 /* : NativeString */;
-long var36 /* : Int */;
-val* var37 /* : FlatString */;
-val* var38 /* : Array[Object] */;
-long var39 /* : Int */;
-val* var40 /* : NativeArray[Object] */;
-val* var41 /* : String */;
-var_it = p0;
+static val* varonce41;
+val* var42 /* : String */;
+char* var43 /* : CString */;
+val* var44 /* : String */;
+val* var45 /* : nullable Int */;
+val* var46 /* : nullable Int */;
+val* var47 /* : nullable Bool */;
+val* var48 /* : nullable Bool */;
+static val* varonce49;
+val* var50 /* : String */;
+char* var51 /* : CString */;
+val* var52 /* : String */;
+val* var53 /* : nullable Int */;
+val* var54 /* : nullable Int */;
+val* var55 /* : nullable Bool */;
+val* var56 /* : nullable Bool */;
+val* var57 /* : Array[String] */;
+val* var59 /* : Array[String] */;
+val* var60 /* : nullable Object */;
+val* var61 /* : String */;
+var_opts = p0;
+var_it = p1;
+{
+((void(*)(val* self, val* p0, val* p1))(self->class->vft[COLOR_opts___opts__OptionParameter___Option__read_param]))(self, p0, p1); /* read_param on <self:OptionParameter>*/
+}
 {
-((void (*)(val* self, val* p0))(self->class->vft[COLOR_opts___opts__OptionParameter___Option__read_param]))(self, p0) /* read_param on <self:OptionParameter>*/;
+var = ((short int(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_it); /* is_ok on <var_it:Iterator[String]>*/
 }
+var_ok = var;
+var_ = var_ok;
+if (var_ok){
 {
-var1 = ((short int (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_it) /* is_ok on <var_it:Iterator[String]>*/;
+{ /* Inline opts$OptionParameter$parameter_mandatory (self) on <self:OptionParameter> */
+var6 = self->attrs[COLOR_opts__OptionParameter___parameter_mandatory].s; /* _parameter_mandatory on <self:OptionParameter> */
+var4 = var6;
+RET_LABEL5:(void)0;
+}
+}
+var7 = !var4;
+var3 = var7;
+} else {
+var3 = var_;
+}
+var_8 = var3;
+if (var3){
+{
+var9 = ((val*(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_it); /* item on <var_it:Iterator[String]>*/
+}
+{
+var10 = ((short int(*)(val* self))(var9->class->vft[COLOR_core__abstract_text__Text__is_empty]))(var9); /* is_empty on <var9:nullable Object(String)>*/
+}
+var11 = !var10;
+var2 = var11;
+} else {
+var2 = var_8;
+}
+var_12 = var2;
+if (var2){
+{
+var13 = ((val*(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_it); /* item on <var_it:Iterator[String]>*/
+}
+{
+var14 = ((val*(*)(val* self))(var13->class->vft[COLOR_core__abstract_text__Text__chars]))(var13); /* chars on <var13:nullable Object(String)>*/
+}
+{
+var15 = ((val*(*)(val* self))((((long)var14&3)?class_info[((long)var14&3)]:var14->class)->vft[COLOR_core__abstract_collection__Collection__first]))(var14); /* first on <var14:SequenceRead[Char]>*/
+}
+{
+{ /* Inline kernel$Char$== (var15,'-') on <var15:nullable Object(Char)> */
+var19 = (uint32_t)((long)(var15)>>2);
+var18 = var19 == '-';
+var16 = var18;
+goto RET_LABEL17;
+RET_LABEL17:(void)0;
+}
+}
+var1 = var16;
+} else {
+var1 = var_12;
 }
-var_ = var1;
 if (var1){
 {
-var3 = ((val* (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_it) /* item on <var_it:Iterator[String]>*/;
+{ /* Inline opts$OptionContext$options (var_opts) on <var_opts:OptionContext> */
+var22 = var_opts->attrs[COLOR_opts__OptionContext___options].val; /* _options on <var_opts:OptionContext> */
+if (unlikely(var22 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 283);
+fatal_exit(1);
+}
+var20 = var22;
+RET_LABEL21:(void)0;
+}
+}
+var_23 = var20;
+{
+var24 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_23);
 }
+var_25 = var24;
+for(;;) {
 {
-var4 = standard___standard__Text___is_empty(var3);
+var26 = ((short int(*)(val* self))((((long)var_25&3)?class_info[((long)var_25&3)]:var_25->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_25); /* is_ok on <var_25:IndexedIterator[Option]>*/
 }
-var_5 = var4;
-if (var4){
-var2 = var_5;
+if (var26){
 } else {
+goto BREAK_label;
+}
 {
-var6 = ((val* (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_it) /* item on <var_it:Iterator[String]>*/;
+var27 = ((val*(*)(val* self))((((long)var_25&3)?class_info[((long)var_25&3)]:var_25->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_25); /* item on <var_25:IndexedIterator[Option]>*/
 }
+var_opt = var27;
 {
-var7 = ((val* (*)(val* self))(var6->class->vft[COLOR_standard__string__Text__chars]))(var6) /* chars on <var6:nullable Object(String)>*/;
+{ /* Inline opts$Option$names (var_opt) on <var_opt:Option> */
+var30 = var_opt->attrs[COLOR_opts__Option___names].val; /* _names on <var_opt:Option> */
+if (unlikely(var30 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _names");
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 19);
+fatal_exit(1);
+}
+var28 = var30;
+RET_LABEL29:(void)0;
+}
 }
 {
-var8 = ((val* (*)(val* self))(var7->class->vft[COLOR_standard__abstract_collection__Collection__first]))(var7) /* first on <var7:SequenceRead[Char]>*/;
+var31 = ((val*(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_it); /* item on <var_it:Iterator[String]>*/
 }
-var9 = '-';
 {
-{ /* Inline kernel#Char#!= (var8,var9) on <var8:nullable Object(Char)> */
-var12 = (var8 != NULL) && (var8->class == &class_standard__Char);
-if (var12) {
-var13 = ((struct instance_standard__Char*)var8)->value; /* autounbox from nullable Object to Char */;
-var12 = (var13 == var9);
+var32 = core___core__AbstractArrayRead___core__abstract_collection__Collection__has(var28, var31);
 }
-var14 = !var12;
-var10 = var14;
-goto RET_LABEL11;
-RET_LABEL11:(void)0;
+if (var32){
+var_ok = 0;
+goto BREAK_label;
+} else {
 }
+{
+((void(*)(val* self))((((long)var_25&3)?class_info[((long)var_25&3)]:var_25->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_25); /* next on <var_25:IndexedIterator[Option]>*/
 }
-var2 = var10;
 }
-var = var2;
+BREAK_label: (void)0;
+{
+((void(*)(val* self))((((long)var_25&3)?class_info[((long)var_25&3)]:var_25->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_25); /* finish on <var_25:IndexedIterator[Option]>*/
+}
 } else {
-var = var_;
 }
-if (var){
+if (var_ok){
 {
-var15 = ((val* (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_it) /* item on <var_it:Iterator[String]>*/;
+var33 = ((val*(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_it); /* item on <var_it:Iterator[String]>*/
 }
 {
-var16 = ((val* (*)(val* self, val* p0))(self->class->vft[COLOR_opts__OptionParameter__convert]))(self, var15) /* convert on <self:OptionParameter>*/;
+var34 = ((val*(*)(val* self, val* p0))(self->class->vft[COLOR_opts__OptionParameter__convert]))(self, var33); /* convert on <self:OptionParameter>*/
 }
 {
-{ /* Inline opts#Option#value= (self,var16) on <self:OptionParameter> */
-/* Covariant cast for argument 0 (value) <var16:nullable Object> isa VALUE */
-/* <var16:nullable Object> isa VALUE */
+{ /* Inline opts$Option$value= (self,var34) on <self:OptionParameter> */
+/* Covariant cast for argument 0 (value) <var34:nullable Object> isa VALUE */
+/* <var34:nullable Object> isa VALUE */
 type_struct = self->type->resolution_table->types[COLOR_opts__Option__VALUE];
 cltype = type_struct->color;
 idtype = type_struct->id;
 is_nullable = type_struct->is_nullable;
-if(var16 == NULL) {
-var18 = is_nullable;
+if(var34 == NULL) {
+var36 = is_nullable;
 } else {
-if(cltype >= var16->type->table_size) {
-var18 = 0;
+if(cltype >= (((long)var34&3)?type_info[((long)var34&3)]:var34->type)->table_size) {
+var36 = 0;
 } else {
-var18 = var16->type->type_table[cltype] == idtype;
+var36 = (((long)var34&3)?type_info[((long)var34&3)]:var34->type)->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var18)) {
-var_class_name = var16 == NULL ? "null" : var16->type->name;
+if (unlikely(!var36)) {
+var_class_name = var34 == NULL ? "null" : (((long)var34&3)?type_info[((long)var34&3)]:var34->type)->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 40);
-show_backtrace(1);
+fatal_exit(1);
 }
-self->attrs[COLOR_opts__Option___value].val = var16; /* _value on <self:OptionParameter> */
-RET_LABEL17:(void)0;
+self->attrs[COLOR_opts__Option___value].val = var34; /* _value on <self:OptionParameter> */
+RET_LABEL35:(void)0;
 }
 }
 {
-((void (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_it) /* next on <var_it:Iterator[String]>*/;
+((void(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_it); /* next on <var_it:Iterator[String]>*/
 }
 } else {
 {
-{ /* Inline opts#OptionParameter#parameter_mandatory (self) on <self:OptionParameter> */
-var21 = self->attrs[COLOR_opts__OptionParameter___parameter_mandatory].s; /* _parameter_mandatory on <self:OptionParameter> */
-var19 = var21;
-RET_LABEL20:(void)0;
-}
+{ /* Inline opts$Option$errors (self) on <self:OptionParameter> */
+var39 = self->attrs[COLOR_opts__Option___errors].val; /* _errors on <self:OptionParameter> */
+if (unlikely(var39 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-if (var19){
-{
-{ /* Inline opts#Option#errors (self) on <self:OptionParameter> */
-var24 = self->attrs[COLOR_opts__Option___errors].val; /* _errors on <self:OptionParameter> */
-if (unlikely(var24 == NULL)) {
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _errors");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 28);
-show_backtrace(1);
+fatal_exit(1);
 }
-var22 = var24;
-RET_LABEL23:(void)0;
+var37 = var39;
+RET_LABEL38:(void)0;
 }
 }
-if (varonce) {
-var25 = varonce;
+if (unlikely(varonce==NULL)) {
+var40 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce41!=NULL)) {
+var42 = varonce41;
 } else {
-var26 = "Parameter expected for option ";
-var27 = 30;
-var28 = standard___standard__NativeString___to_s_with_length(var26, var27);
-var25 = var28;
-varonce = var25;
+var43 = "Parameter expected for option ";
+var45 = (val*)(30l<<2|1);
+var46 = (val*)(30l<<2|1);
+var47 = (val*)((long)(0)<<2|3);
+var48 = (val*)((long)(0)<<2|3);
+var44 = core__flat___CString___to_s_unsafe(var43, var45, var46, var47, var48);
+var42 = var44;
+varonce41 = var42;
+}
+((struct instance_core__NativeArray*)var40)->values[0]=var42;
+if (likely(varonce49!=NULL)) {
+var50 = varonce49;
+} else {
+var51 = ".";
+var53 = (val*)(1l<<2|1);
+var54 = (val*)(1l<<2|1);
+var55 = (val*)((long)(0)<<2|3);
+var56 = (val*)((long)(0)<<2|3);
+var52 = core__flat___CString___to_s_unsafe(var51, var53, var54, var55, var56);
+var50 = var52;
+varonce49 = var50;
+}
+((struct instance_core__NativeArray*)var40)->values[2]=var50;
+} else {
+var40 = varonce;
+varonce = NULL;
 }
 {
-{ /* Inline opts#Option#names (self) on <self:OptionParameter> */
-var31 = self->attrs[COLOR_opts__Option___names].val; /* _names on <self:OptionParameter> */
-if (unlikely(var31 == NULL)) {
+{ /* Inline opts$Option$names (self) on <self:OptionParameter> */
+var59 = self->attrs[COLOR_opts__Option___names].val; /* _names on <self:OptionParameter> */
+if (unlikely(var59 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _names");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 19);
-show_backtrace(1);
+fatal_exit(1);
 }
-var29 = var31;
-RET_LABEL30:(void)0;
+var57 = var59;
+RET_LABEL58:(void)0;
 }
 }
 {
-var32 = standard___standard__SequenceRead___Collection__first(var29);
+var60 = core___core__SequenceRead___Collection__first(var57);
 }
-if (varonce33) {
-var34 = varonce33;
-} else {
-var35 = ".";
-var36 = 1;
-var37 = standard___standard__NativeString___to_s_with_length(var35, var36);
-var34 = var37;
-varonce33 = var34;
-}
-var38 = NEW_standard__Array(&type_standard__Array__standard__Object);
-{ /* var38 = array_instance Array[Object] */
-var39 = 3;
-var40 = NEW_standard__NativeArray(var39, &type_standard__NativeArray__standard__Object);
-((struct instance_standard__NativeArray*)var40)->values[0] = (val*) var25;
-((struct instance_standard__NativeArray*)var40)->values[1] = (val*) var32;
-((struct instance_standard__NativeArray*)var40)->values[2] = (val*) var34;
+((struct instance_core__NativeArray*)var40)->values[1]=var60;
 {
-((void (*)(val* self, val* p0, long p1))(var38->class->vft[COLOR_standard__array__Array__with_native]))(var38, var40, var39) /* with_native on <var38:Array[Object]>*/;
-}
+var61 = ((val*(*)(val* self))(var40->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var40); /* native_to_s on <var40:NativeArray[String]>*/
 }
+varonce = var40;
 {
-var41 = ((val* (*)(val* self))(var38->class->vft[COLOR_standard__string__Object__to_s]))(var38) /* to_s on <var38:Array[Object]>*/;
-}
-{
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var22, var41); /* Direct call array#Array#add on <var22:Array[String]>*/
-}
-} else {
+core___core__Array___core__abstract_collection__SimpleCollection__add(var37, var61); /* Direct call array$Array$add on <var37:Array[String]>*/
 }
 }
 RET_LABEL:;
 }
-/* method opts#OptionString#init for (self: OptionString, String, Array[String]) */
+/* method opts$OptionString$init for (self: OptionString, String, Array[String]) */
 void opts___opts__OptionString___init(val* self, val* p0, val* p1) {
 val* var_help /* var help: String */;
 val* var_names /* var names: Array[String] */;
-val* var /* : null */;
-short int var1 /* : Bool */;
+short int var /* : Bool */;
 int cltype;
 int idtype;
 const struct type* type_struct;
@@ -938,33 +1074,32 @@ short int is_nullable;
 const char* var_class_name;
 var_help = p0;
 var_names = p1;
-var = NULL;
-/* <var:null> isa VALUE */
+/* <((val*)NULL):null> isa VALUE */
 type_struct = self->type->resolution_table->types[COLOR_opts__Option__VALUE];
 cltype = type_struct->color;
 idtype = type_struct->id;
 is_nullable = type_struct->is_nullable;
-if(var == NULL) {
-var1 = is_nullable;
+if(((val*)NULL) == NULL) {
+var = is_nullable;
 } else {
-if(cltype >= var->type->table_size) {
-var1 = 0;
+if(cltype >= ((val*)NULL)->type->table_size) {
+var = 0;
 } else {
-var1 = var->type->type_table[cltype] == idtype;
+var = ((val*)NULL)->type->type_table[cltype] == idtype;
 }
 }
-if (unlikely(!var1)) {
-var_class_name = var == NULL ? "null" : var->type->name;
+if (unlikely(!var)) {
+var_class_name = ((val*)NULL) == NULL ? "null" : ((val*)NULL)->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 172);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 184);
+fatal_exit(1);
 }
 {
-opts___opts__Option___init(self, var_help, var, var_names); /* Direct call opts#Option#init on <self:OptionString>*/
+opts___opts__Option___init(self, var_help, ((val*)NULL), var_names); /* Direct call opts$Option$init on <self:OptionString>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionString#convert for (self: OptionString, String): nullable String */
+/* method opts$OptionString$convert for (self: OptionString, String): nullable String */
 val* opts___opts__OptionString___OptionParameter__convert(val* self, val* p0) {
 val* var /* : nullable String */;
 val* var_str /* var str: String */;
@@ -986,15 +1121,15 @@ var1 = var_str->type->type_table[cltype] == idtype;
 if (unlikely(!var1)) {
 var_class_name = var_str == NULL ? "null" : var_str->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 174);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 186);
+fatal_exit(1);
 }
 var = var_str;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionInt#init for (self: OptionInt, String, Int, Array[String]) */
+/* method opts$OptionInt$init for (self: OptionInt, String, Int, Array[String]) */
 void opts___opts__OptionInt___init(val* self, val* p0, long p1, val* p2) {
 val* var_help /* var help: String */;
 long var_default /* var default: Int */;
@@ -1004,37 +1139,163 @@ var_help = p0;
 var_default = p1;
 var_names = p2;
 {
-var = BOX_standard__Int(var_default); /* autobox from Int to nullable Object */
-opts___opts__Option___init(self, var_help, var, var_names); /* Direct call opts#Option#init on <self:OptionInt>*/
+var = (val*)(var_default<<2|1);
+opts___opts__Option___init(self, var_help, var, var_names); /* Direct call opts$Option$init on <self:OptionInt>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionInt#convert for (self: OptionInt, String): Int */
+/* method opts$OptionInt$convert for (self: OptionInt, String): Int */
 long opts___opts__OptionInt___OptionParameter__convert(val* self, val* p0) {
 long var /* : Int */;
 val* var_str /* var str: String */;
-long var1 /* : Int */;
+short int var1 /* : Bool */;
+long var2 /* : Int */;
+val* var3 /* : Array[String] */;
+val* var5 /* : Array[String] */;
+val* var6 /* : NativeArray[String] */;
+static val* varonce;
+static val* varonce7;
+val* var8 /* : String */;
+char* var9 /* : CString */;
+val* var10 /* : String */;
+val* var11 /* : nullable Int */;
+val* var12 /* : nullable Int */;
+val* var13 /* : nullable Bool */;
+val* var14 /* : nullable Bool */;
+static val* varonce15;
+val* var16 /* : String */;
+char* var17 /* : CString */;
+val* var18 /* : String */;
+val* var19 /* : nullable Int */;
+val* var20 /* : nullable Int */;
+val* var21 /* : nullable Bool */;
+val* var22 /* : nullable Bool */;
+val* var23 /* : Array[String] */;
+val* var25 /* : Array[String] */;
+static val* varonce26;
+val* var27 /* : String */;
+char* var28 /* : CString */;
+val* var29 /* : String */;
+val* var30 /* : nullable Int */;
+val* var31 /* : nullable Int */;
+val* var32 /* : nullable Bool */;
+val* var33 /* : nullable Bool */;
+val* var34 /* : String */;
+val* var35 /* : String */;
 var_str = p0;
 {
-var1 = standard___standard__Text___to_i(var_str);
+var1 = core__fixed_ints_text___Text___is_int(var_str);
 }
-var = var1;
+if (var1){
+{
+var2 = core__fixed_ints_text___Text___to_i(var_str);
+}
+var = var2;
+goto RET_LABEL;
+} else {
+}
+{
+{ /* Inline opts$Option$errors (self) on <self:OptionInt> */
+var5 = self->attrs[COLOR_opts__Option___errors].val; /* _errors on <self:OptionInt> */
+if (unlikely(var5 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _errors");
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 28);
+fatal_exit(1);
+}
+var3 = var5;
+RET_LABEL4:(void)0;
+}
+}
+if (unlikely(varonce==NULL)) {
+var6 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce7!=NULL)) {
+var8 = varonce7;
+} else {
+var9 = "Expected an integer for option ";
+var11 = (val*)(31l<<2|1);
+var12 = (val*)(31l<<2|1);
+var13 = (val*)((long)(0)<<2|3);
+var14 = (val*)((long)(0)<<2|3);
+var10 = core__flat___CString___to_s_unsafe(var9, var11, var12, var13, var14);
+var8 = var10;
+varonce7 = var8;
+}
+((struct instance_core__NativeArray*)var6)->values[0]=var8;
+if (likely(varonce15!=NULL)) {
+var16 = varonce15;
+} else {
+var17 = ".";
+var19 = (val*)(1l<<2|1);
+var20 = (val*)(1l<<2|1);
+var21 = (val*)((long)(0)<<2|3);
+var22 = (val*)((long)(0)<<2|3);
+var18 = core__flat___CString___to_s_unsafe(var17, var19, var20, var21, var22);
+var16 = var18;
+varonce15 = var16;
+}
+((struct instance_core__NativeArray*)var6)->values[2]=var16;
+} else {
+var6 = varonce;
+varonce = NULL;
+}
+{
+{ /* Inline opts$Option$names (self) on <self:OptionInt> */
+var25 = self->attrs[COLOR_opts__Option___names].val; /* _names on <self:OptionInt> */
+if (unlikely(var25 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _names");
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 19);
+fatal_exit(1);
+}
+var23 = var25;
+RET_LABEL24:(void)0;
+}
+}
+if (likely(varonce26!=NULL)) {
+var27 = varonce26;
+} else {
+var28 = ", ";
+var30 = (val*)(2l<<2|1);
+var31 = (val*)(2l<<2|1);
+var32 = (val*)((long)(0)<<2|3);
+var33 = (val*)((long)(0)<<2|3);
+var29 = core__flat___CString___to_s_unsafe(var28, var30, var31, var32, var33);
+var27 = var29;
+varonce26 = var27;
+}
+{
+var34 = core__abstract_text___Collection___join(var23, var27, ((val*)NULL));
+}
+((struct instance_core__NativeArray*)var6)->values[1]=var34;
+{
+var35 = ((val*(*)(val* self))(var6->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var6); /* native_to_s on <var6:NativeArray[String]>*/
+}
+varonce = var6;
+{
+core___core__Array___core__abstract_collection__SimpleCollection__add(var3, var35); /* Direct call array$Array$add on <var3:Array[String]>*/
+}
+var = 0l;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionInt#convert for (self: OptionParameter, String): nullable Object */
+/* method opts$OptionInt$convert for (self: OptionParameter, String): nullable Object */
 val* VIRTUAL_opts___opts__OptionInt___OptionParameter__convert(val* self, val* p0) {
 val* var /* : nullable Object */;
 long var1 /* : Int */;
 val* var2 /* : nullable Object */;
 var1 = opts___opts__OptionInt___OptionParameter__convert(self, p0);
-var2 = BOX_standard__Int(var1); /* autobox from Int to nullable Object */
+var2 = (val*)(var1<<2|1);
 var = var2;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionArray#init for (self: OptionArray, String, Array[String]) */
+/* method opts$OptionArray$init for (self: OptionArray, String, Array[String]) */
 void opts___opts__OptionArray___init(val* self, val* p0, val* p1) {
 val* var_help /* var help: String */;
 val* var_names /* var names: Array[String] */;
@@ -1048,23 +1309,26 @@ const struct type* type_struct;
 const char* var_class_name;
 var_help = p0;
 var_names = p1;
-var = NEW_standard__Array(&type_standard__Array__standard__String);
+var = NEW_core__Array(&type_core__Array__core__String);
 {
-standard___standard__Array___standard__kernel__Object__init(var); /* Direct call array#Array#init on <var:Array[String]>*/
+core___core__Array___core__kernel__Object__init(var); /* Direct call array$Array$init on <var:Array[String]>*/
 }
 {
-{ /* Inline opts#OptionArray#values= (self,var) on <self:OptionArray> */
+{ /* Inline opts$OptionArray$values= (self,var) on <self:OptionArray> */
 self->attrs[COLOR_opts__OptionArray___values].val = var; /* _values on <self:OptionArray> */
 RET_LABEL1:(void)0;
 }
 }
 {
-{ /* Inline opts#OptionArray#values (self) on <self:OptionArray> */
+{ /* Inline opts$OptionArray$values (self) on <self:OptionArray> */
 var4 = self->attrs[COLOR_opts__OptionArray___values].val; /* _values on <self:OptionArray> */
 if (unlikely(var4 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _values");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 254);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
+fatal_exit(1);
 }
 var2 = var4;
 RET_LABEL3:(void)0;
@@ -1082,34 +1346,37 @@ var5 = var2->type->type_table[cltype] == idtype;
 if (unlikely(!var5)) {
 var_class_name = var2 == NULL ? "null" : var2->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 251);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 270);
+fatal_exit(1);
 }
 {
-opts___opts__Option___init(self, var_help, var2, var_names); /* Direct call opts#Option#init on <self:OptionArray>*/
+opts___opts__Option___init(self, var_help, var2, var_names); /* Direct call opts$Option$init on <self:OptionArray>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionArray#values for (self: OptionArray): Array[String] */
+/* method opts$OptionArray$values for (self: OptionArray): Array[String] */
 val* opts___opts__OptionArray___values(val* self) {
 val* var /* : Array[String] */;
 val* var1 /* : Array[String] */;
 var1 = self->attrs[COLOR_opts__OptionArray___values].val; /* _values on <self:OptionArray> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _values");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 254);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionArray#values= for (self: OptionArray, Array[String]) */
+/* method opts$OptionArray$values= for (self: OptionArray, Array[String]) */
 void opts___opts__OptionArray___values_61d(val* self, val* p0) {
 self->attrs[COLOR_opts__OptionArray___values].val = p0; /* _values on <self:OptionArray> */
 RET_LABEL:;
 }
-/* method opts#OptionArray#convert for (self: OptionArray, String): Array[String] */
+/* method opts$OptionArray$convert for (self: OptionArray, String): Array[String] */
 val* opts___opts__OptionArray___OptionParameter__convert(val* self, val* p0) {
 val* var /* : Array[String] */;
 val* var_str /* var str: String */;
@@ -1124,27 +1391,33 @@ const struct type* type_struct;
 const char* var_class_name;
 var_str = p0;
 {
-{ /* Inline opts#OptionArray#values (self) on <self:OptionArray> */
+{ /* Inline opts$OptionArray$values (self) on <self:OptionArray> */
 var3 = self->attrs[COLOR_opts__OptionArray___values].val; /* _values on <self:OptionArray> */
 if (unlikely(var3 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _values");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 254);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
+fatal_exit(1);
 }
 var1 = var3;
 RET_LABEL2:(void)0;
 }
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var1, var_str); /* Direct call array#Array#add on <var1:Array[String]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var1, var_str); /* Direct call array$Array$add on <var1:Array[String]>*/
 }
 {
-{ /* Inline opts#OptionArray#values (self) on <self:OptionArray> */
+{ /* Inline opts$OptionArray$values (self) on <self:OptionArray> */
 var6 = self->attrs[COLOR_opts__OptionArray___values].val; /* _values on <self:OptionArray> */
 if (unlikely(var6 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _values");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 254);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
+fatal_exit(1);
 }
 var4 = var6;
 RET_LABEL5:(void)0;
@@ -1162,363 +1435,398 @@ var7 = var4->type->type_table[cltype] == idtype;
 if (unlikely(!var7)) {
 var_class_name = var4 == NULL ? "null" : var4->type->name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "VALUE", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 258);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 277);
+fatal_exit(1);
 }
 var = var4;
 goto RET_LABEL;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionContext#options for (self: OptionContext): Array[Option] */
+/* method opts$OptionContext$options for (self: OptionContext): Array[Option] */
 val* opts___opts__OptionContext___options(val* self) {
 val* var /* : Array[Option] */;
 val* var1 /* : Array[Option] */;
 var1 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 264);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 283);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionContext#rest for (self: OptionContext): Array[String] */
+/* method opts$OptionContext$rest for (self: OptionContext): Array[String] */
 val* opts___opts__OptionContext___rest(val* self) {
 val* var /* : Array[String] */;
 val* var1 /* : Array[String] */;
 var1 = self->attrs[COLOR_opts__OptionContext___rest].val; /* _rest on <self:OptionContext> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _rest");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 267);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 286);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionContext#errors for (self: OptionContext): Array[String] */
-val* opts___opts__OptionContext___errors(val* self) {
+/* method opts$OptionContext$context_errors for (self: OptionContext): Array[String] */
+val* opts___opts__OptionContext___context_errors(val* self) {
 val* var /* : Array[String] */;
 val* var1 /* : Array[String] */;
-var1 = self->attrs[COLOR_opts__OptionContext___errors].val; /* _errors on <self:OptionContext> */
+var1 = self->attrs[COLOR_opts__OptionContext___context_errors].val; /* _context_errors on <self:OptionContext> */
 if (unlikely(var1 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _errors");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 270);
-show_backtrace(1);
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _context_errors");
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 289);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionContext#optmap for (self: OptionContext): HashMap[String, Option] */
+/* method opts$OptionContext$optmap for (self: OptionContext): HashMap[String, Option] */
 val* opts___opts__OptionContext___optmap(val* self) {
 val* var /* : HashMap[String, Option] */;
 val* var1 /* : HashMap[String, Option] */;
 var1 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
 if (unlikely(var1 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _optmap");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 292);
+fatal_exit(1);
 }
 var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionContext#add_option for (self: OptionContext, Array[Option]) */
+/* method opts$OptionContext$add_option for (self: OptionContext, Array[Option]) */
 void opts___opts__OptionContext___add_option(val* self, val* p0) {
 val* var_opts /* var opts: Array[Option] */;
 val* var /* : Array[Option] */;
 val* var2 /* : Array[Option] */;
 var_opts = p0;
 {
-{ /* Inline opts#OptionContext#options (self) on <self:OptionContext> */
+{ /* Inline opts$OptionContext$options (self) on <self:OptionContext> */
 var2 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 264);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 283);
+fatal_exit(1);
 }
 var = var2;
 RET_LABEL1:(void)0;
 }
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add_all(var, var_opts); /* Direct call array#Array#add_all on <var:Array[Option]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add_all(var, var_opts); /* Direct call array$Array$add_all on <var:Array[Option]>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionContext#usage for (self: OptionContext) */
+/* method opts$OptionContext$usage for (self: OptionContext) */
 void opts___opts__OptionContext___usage(val* self) {
-long var /* : Int */;
 long var_lmax /* var lmax: Int */;
-val* var1 /* : Array[Option] */;
-val* var3 /* : Array[Option] */;
+val* var /* : Array[Option] */;
+val* var2 /* : Array[Option] */;
 val* var_ /* var : Array[Option] */;
-val* var4 /* : ArrayIterator[nullable Object] */;
-val* var_5 /* var : ArrayIterator[Option] */;
-short int var6 /* : Bool */;
-val* var7 /* : nullable Object */;
+val* var3 /* : IndexedIterator[nullable Object] */;
+val* var_4 /* var : IndexedIterator[Option] */;
+short int var5 /* : Bool */;
+val* var6 /* : nullable Object */;
 val* var_i /* var i: Option */;
-long var8 /* : Int */;
 long var_l /* var l: Int */;
+val* var7 /* : Array[String] */;
 val* var9 /* : Array[String] */;
-val* var11 /* : Array[String] */;
-val* var_12 /* var : Array[String] */;
-val* var13 /* : ArrayIterator[nullable Object] */;
-val* var_14 /* var : ArrayIterator[String] */;
-short int var15 /* : Bool */;
-val* var16 /* : nullable Object */;
+val* var_10 /* var : Array[String] */;
+val* var11 /* : IndexedIterator[nullable Object] */;
+val* var_12 /* var : IndexedIterator[String] */;
+short int var13 /* : Bool */;
+val* var15 /* : nullable Object */;
 val* var_n /* var n: String */;
+long var16 /* : Int */;
 long var17 /* : Int */;
-long var18 /* : Int */;
-long var19 /* : Int */;
-short int var21 /* : Bool */;
+short int var19 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-long var22 /* : Int */;
-long var23 /* : Int */;
-short int var25 /* : Bool */;
-int cltype26;
-int idtype27;
-const char* var_class_name28;
-long var29 /* : Int */;
-short int var31 /* : Bool */;
-short int var33 /* : Bool */;
-int cltype34;
-int idtype35;
-const char* var_class_name36;
-short int var37 /* : Bool */;
-val* var40 /* : Array[Option] */;
-val* var42 /* : Array[Option] */;
-val* var_43 /* var : Array[Option] */;
-val* var44 /* : ArrayIterator[nullable Object] */;
-val* var_45 /* var : ArrayIterator[Option] */;
-short int var46 /* : Bool */;
-val* var47 /* : nullable Object */;
-val* var_i48 /* var i: Option */;
-short int var49 /* : Bool */;
-short int var51 /* : Bool */;
-short int var52 /* : Bool */;
-val* var53 /* : String */;
-var = 1;
-var_lmax = var;
-{
-{ /* Inline opts#OptionContext#options (self) on <self:OptionContext> */
-var3 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
-if (unlikely(var3 == NULL)) {
+long var20 /* : Int */;
+long var21 /* : Int */;
+short int var23 /* : Bool */;
+int cltype24;
+int idtype25;
+const char* var_class_name26;
+long var27 /* : Int */;
+short int var28 /* : Bool */;
+short int var30 /* : Bool */;
+int cltype31;
+int idtype32;
+const char* var_class_name33;
+short int var34 /* : Bool */;
+val* var35 /* : Array[Option] */;
+val* var37 /* : Array[Option] */;
+val* var_38 /* var : Array[Option] */;
+val* var39 /* : IndexedIterator[nullable Object] */;
+val* var_40 /* var : IndexedIterator[Option] */;
+short int var41 /* : Bool */;
+val* var43 /* : nullable Object */;
+val* var_i44 /* var i: Option */;
+short int var45 /* : Bool */;
+short int var47 /* : Bool */;
+short int var48 /* : Bool */;
+val* var49 /* : Sys */;
+val* var50 /* : String */;
+var_lmax = 1l;
+{
+{ /* Inline opts$OptionContext$options (self) on <self:OptionContext> */
+var2 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
+if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 264);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 283);
+fatal_exit(1);
 }
-var1 = var3;
-RET_LABEL2:(void)0;
+var = var2;
+RET_LABEL1:(void)0;
 }
 }
-var_ = var1;
+var_ = var;
 {
-var4 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_);
+var3 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
 }
-var_5 = var4;
+var_4 = var3;
 for(;;) {
 {
-var6 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_5);
+var5 = ((short int(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_4); /* is_ok on <var_4:IndexedIterator[Option]>*/
+}
+if (var5){
+} else {
+goto BREAK_label;
 }
-if (var6){
 {
-var7 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_5);
+var6 = ((val*(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_4); /* item on <var_4:IndexedIterator[Option]>*/
 }
-var_i = var7;
-var8 = 3;
-var_l = var8;
+var_i = var6;
+var_l = 3l;
 {
-{ /* Inline opts#Option#names (var_i) on <var_i:Option> */
-var11 = var_i->attrs[COLOR_opts__Option___names].val; /* _names on <var_i:Option> */
-if (unlikely(var11 == NULL)) {
+{ /* Inline opts$Option$names (var_i) on <var_i:Option> */
+var9 = var_i->attrs[COLOR_opts__Option___names].val; /* _names on <var_i:Option> */
+if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _names");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 19);
-show_backtrace(1);
+fatal_exit(1);
 }
-var9 = var11;
-RET_LABEL10:(void)0;
+var7 = var9;
+RET_LABEL8:(void)0;
 }
 }
-var_12 = var9;
+var_10 = var7;
 {
-var13 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_12);
+var11 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_10);
 }
-var_14 = var13;
+var_12 = var11;
 for(;;) {
 {
-var15 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_14);
+var13 = ((short int(*)(val* self))((((long)var_12&3)?class_info[((long)var_12&3)]:var_12->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_12); /* is_ok on <var_12:IndexedIterator[String]>*/
+}
+if (var13){
+} else {
+goto BREAK_label14;
 }
-if (var15){
 {
-var16 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_14);
+var15 = ((val*(*)(val* self))((((long)var_12&3)?class_info[((long)var_12&3)]:var_12->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_12); /* item on <var_12:IndexedIterator[String]>*/
 }
-var_n = var16;
+var_n = var15;
 {
-var17 = ((long (*)(val* self))(var_n->class->vft[COLOR_standard__string__Text__length]))(var_n) /* length on <var_n:String>*/;
+var16 = ((long(*)(val* self))(var_n->class->vft[COLOR_core__abstract_text__Text__length]))(var_n); /* length on <var_n:String>*/
 }
-var18 = 2;
 {
-{ /* Inline kernel#Int#+ (var17,var18) on <var17:Int> */
-/* Covariant cast for argument 0 (i) <var18:Int> isa OTHER */
-/* <var18:Int> isa OTHER */
-var21 = 1; /* easy <var18:Int> isa OTHER*/
-if (unlikely(!var21)) {
-var_class_name = type_standard__Int.name;
+{ /* Inline kernel$Int$+ (var16,2l) on <var16:Int> */
+/* Covariant cast for argument 0 (i) <2l:Int> isa OTHER */
+/* <2l:Int> isa OTHER */
+var19 = 1; /* easy <2l:Int> isa OTHER*/
+if (unlikely(!var19)) {
+var_class_name = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
 }
-var22 = var17 + var18;
-var19 = var22;
-goto RET_LABEL20;
-RET_LABEL20:(void)0;
+var20 = var16 + 2l;
+var17 = var20;
+goto RET_LABEL18;
+RET_LABEL18:(void)0;
 }
 }
 {
-{ /* Inline kernel#Int#+ (var_l,var19) on <var_l:Int> */
-/* Covariant cast for argument 0 (i) <var19:Int> isa OTHER */
-/* <var19:Int> isa OTHER */
-var25 = 1; /* easy <var19:Int> isa OTHER*/
-if (unlikely(!var25)) {
-var_class_name28 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name28);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 413);
-show_backtrace(1);
+{ /* Inline kernel$Int$+ (var_l,var17) on <var_l:Int> */
+/* Covariant cast for argument 0 (i) <var17:Int> isa OTHER */
+/* <var17:Int> isa OTHER */
+var23 = 1; /* easy <var17:Int> isa OTHER*/
+if (unlikely(!var23)) {
+var_class_name26 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name26);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 728);
+fatal_exit(1);
 }
-var29 = var_l + var19;
-var23 = var29;
-goto RET_LABEL24;
-RET_LABEL24:(void)0;
+var27 = var_l + var17;
+var21 = var27;
+goto RET_LABEL22;
+RET_LABEL22:(void)0;
 }
 }
-var_l = var23;
+var_l = var21;
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_14); /* Direct call array#ArrayIterator#next on <var_14:ArrayIterator[String]>*/
-}
-} else {
-goto BREAK_label;
+((void(*)(val* self))((((long)var_12&3)?class_info[((long)var_12&3)]:var_12->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_12); /* next on <var_12:IndexedIterator[String]>*/
 }
 }
-BREAK_label: (void)0;
+BREAK_label14: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_14) on <var_14:ArrayIterator[String]> */
-RET_LABEL30:(void)0;
-}
+((void(*)(val* self))((((long)var_12&3)?class_info[((long)var_12&3)]:var_12->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_12); /* finish on <var_12:IndexedIterator[String]>*/
 }
 {
-{ /* Inline kernel#Int#< (var_lmax,var_l) on <var_lmax:Int> */
+{ /* Inline kernel$Int$< (var_lmax,var_l) on <var_lmax:Int> */
 /* Covariant cast for argument 0 (i) <var_l:Int> isa OTHER */
 /* <var_l:Int> isa OTHER */
-var33 = 1; /* easy <var_l:Int> isa OTHER*/
-if (unlikely(!var33)) {
-var_class_name36 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name36);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 410);
-show_backtrace(1);
+var30 = 1; /* easy <var_l:Int> isa OTHER*/
+if (unlikely(!var30)) {
+var_class_name33 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name33);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
+fatal_exit(1);
 }
-var37 = var_lmax < var_l;
-var31 = var37;
-goto RET_LABEL32;
-RET_LABEL32:(void)0;
+var34 = var_lmax < var_l;
+var28 = var34;
+goto RET_LABEL29;
+RET_LABEL29:(void)0;
 }
 }
-if (var31){
+if (var28){
 var_lmax = var_l;
 } else {
 }
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_5); /* Direct call array#ArrayIterator#next on <var_5:ArrayIterator[Option]>*/
-}
-} else {
-goto BREAK_label38;
+((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_4); /* next on <var_4:IndexedIterator[Option]>*/
 }
 }
-BREAK_label38: (void)0;
+BREAK_label: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_5) on <var_5:ArrayIterator[Option]> */
-RET_LABEL39:(void)0;
-}
+((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_4); /* finish on <var_4:IndexedIterator[Option]>*/
 }
 {
-{ /* Inline opts#OptionContext#options (self) on <self:OptionContext> */
-var42 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
-if (unlikely(var42 == NULL)) {
+{ /* Inline opts$OptionContext$options (self) on <self:OptionContext> */
+var37 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
+if (unlikely(var37 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 264);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 283);
+fatal_exit(1);
 }
-var40 = var42;
-RET_LABEL41:(void)0;
+var35 = var37;
+RET_LABEL36:(void)0;
 }
 }
-var_43 = var40;
+var_38 = var35;
 {
-var44 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_43);
+var39 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_38);
 }
-var_45 = var44;
+var_40 = var39;
 for(;;) {
 {
-var46 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_45);
+var41 = ((short int(*)(val* self))((((long)var_40&3)?class_info[((long)var_40&3)]:var_40->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_40); /* is_ok on <var_40:IndexedIterator[Option]>*/
+}
+if (var41){
+} else {
+goto BREAK_label42;
 }
-if (var46){
 {
-var47 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_45);
+var43 = ((val*(*)(val* self))((((long)var_40&3)?class_info[((long)var_40&3)]:var_40->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_40); /* item on <var_40:IndexedIterator[Option]>*/
 }
-var_i48 = var47;
+var_i44 = var43;
 {
-{ /* Inline opts#Option#hidden (var_i48) on <var_i48:Option> */
-var51 = var_i48->attrs[COLOR_opts__Option___hidden].s; /* _hidden on <var_i48:Option> */
-var49 = var51;
-RET_LABEL50:(void)0;
+{ /* Inline opts$Option$hidden (var_i44) on <var_i44:Option> */
+var47 = var_i44->attrs[COLOR_opts__Option___hidden].s; /* _hidden on <var_i44:Option> */
+var45 = var47;
+RET_LABEL46:(void)0;
 }
 }
-var52 = !var49;
-if (var52){
+var48 = !var45;
+if (var48){
+var49 = glob_sys;
 {
-var53 = opts___opts__Option___pretty(var_i48, var_lmax);
+var50 = opts___opts__Option___pretty(var_i44, var_lmax);
 }
 {
-standard__file___Object___print(self, var53); /* Direct call file#Object#print on <self:OptionContext>*/
+core__file___Sys___print(var49, var50); /* Direct call file$Sys$print on <var49:Sys>*/
 }
 } else {
 }
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_45); /* Direct call array#ArrayIterator#next on <var_45:ArrayIterator[Option]>*/
-}
-} else {
-goto BREAK_label54;
+((void(*)(val* self))((((long)var_40&3)?class_info[((long)var_40&3)]:var_40->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_40); /* next on <var_40:IndexedIterator[Option]>*/
 }
 }
-BREAK_label54: (void)0;
+BREAK_label42: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_45) on <var_45:ArrayIterator[Option]> */
-RET_LABEL55:(void)0;
-}
+((void(*)(val* self))((((long)var_40&3)?class_info[((long)var_40&3)]:var_40->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_40); /* finish on <var_40:IndexedIterator[Option]>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionContext#parse for (self: OptionContext, Collection[String]) */
+/* method opts$OptionContext$parse for (self: OptionContext, nullable Collection[String]) */
 void opts___opts__OptionContext___parse(val* self, val* p0) {
-val* var_argv /* var argv: Collection[String] */;
-val* var /* : Iterator[nullable Object] */;
+val* var_argv /* var argv: nullable Collection[String] */;
+short int var /* : Bool */;
+short int var1 /* : Bool */;
+val* var2 /* : Sys */;
+val* var3 /* : Sequence[String] */;
+val* var4 /* : Iterator[nullable Object] */;
 val* var_it /* var it: Iterator[String] */;
 var_argv = p0;
+if (var_argv == NULL) {
+var = 1; /* is null */
+} else {
+var = 0; /* arg is null but recv is not */
+}
+if (0) {
+var1 = ((short int(*)(val* self, val* p0))((((long)var_argv&3)?class_info[((long)var_argv&3)]:var_argv->class)->vft[COLOR_core__kernel__Object___61d_61d]))(var_argv, ((val*)NULL)); /* == on <var_argv:nullable Collection[String]>*/
+var = var1;
+}
+if (var){
+var2 = glob_sys;
+{
+var3 = core__abstract_text___Sys___args(var2);
+}
+var_argv = var3;
+} else {
+}
 {
-var = ((val* (*)(val* self))(var_argv->class->vft[COLOR_standard__abstract_collection__Collection__iterator]))(var_argv) /* iterator on <var_argv:Collection[String]>*/;
+var4 = ((val*(*)(val* self))((((long)var_argv&3)?class_info[((long)var_argv&3)]:var_argv->class)->vft[COLOR_core__abstract_collection__Collection__iterator]))(var_argv); /* iterator on <var_argv:nullable Collection[String](Collection[String])>*/
 }
-var_it = var;
+var_it = var4;
 {
-opts___opts__OptionContext___parse_intern(self, var_it); /* Direct call opts#OptionContext#parse_intern on <self:OptionContext>*/
+opts___opts__OptionContext___parse_intern(self, var_it); /* Direct call opts$OptionContext$parse_intern on <self:OptionContext>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionContext#options_before_rest for (self: OptionContext): Bool */
+/* method opts$OptionContext$options_before_rest for (self: OptionContext): Bool */
 short int opts___opts__OptionContext___options_before_rest(val* self) {
 short int var /* : Bool */;
 short int var1 /* : Bool */;
@@ -1527,594 +1835,627 @@ var = var1;
 RET_LABEL:;
 return var;
 }
-/* method opts#OptionContext#parse_intern for (self: OptionContext, Iterator[String]) */
+/* method opts$OptionContext$parse_intern for (self: OptionContext, Iterator[String]) */
 void opts___opts__OptionContext___parse_intern(val* self, val* p0) {
 val* var_it /* var it: Iterator[String] */;
-short int var /* : Bool */;
 short int var_parseargs /* var parseargs: Bool */;
-val* var1 /* : Array[String] */;
-val* var3 /* : Array[String] */;
+val* var /* : Array[String] */;
+val* var2 /* : Array[String] */;
 val* var_rest /* var rest: Array[String] */;
-short int var4 /* : Bool */;
+short int var3 /* : Bool */;
 short int var_ /* var : Bool */;
-short int var5 /* : Bool */;
-val* var6 /* : nullable Object */;
+short int var4 /* : Bool */;
+val* var5 /* : nullable Object */;
 val* var_str /* var str: String */;
 static val* varonce;
-val* var7 /* : String */;
-char* var8 /* : NativeString */;
-long var9 /* : Int */;
-val* var10 /* : FlatString */;
-short int var11 /* : Bool */;
-val* var12 /* : Array[nullable Object] */;
+val* var6 /* : String */;
+char* var7 /* : CString */;
+val* var8 /* : String */;
+val* var9 /* : nullable Int */;
+val* var10 /* : nullable Int */;
+val* var11 /* : nullable Bool */;
+val* var12 /* : nullable Bool */;
 short int var13 /* : Bool */;
-short int var14 /* : Bool */;
-val* var15 /* : SequenceRead[Char] */;
-char var16 /* : Char */;
-long var17 /* : Int */;
-val* var18 /* : nullable Object */;
-long var19 /* : Int */;
-short int var20 /* : Bool */;
-short int var22 /* : Bool */;
-short int var_23 /* var : Bool */;
-long var24 /* : Int */;
-long var25 /* : Int */;
+val* var14 /* : Array[nullable Object] */;
+short int var15 /* : Bool */;
+val* var16 /* : SequenceRead[Char] */;
+val* var17 /* : nullable Object */;
+long var18 /* : Int */;
+short int var19 /* : Bool */;
+short int var21 /* : Bool */;
+short int var_22 /* var : Bool */;
+long var23 /* : Int */;
+short int var24 /* : Bool */;
 short int var26 /* : Bool */;
-short int var28 /* : Bool */;
 int cltype;
 int idtype;
 const char* var_class_name;
-short int var29 /* : Bool */;
-short int var30 /* : Bool */;
+short int var27 /* : Bool */;
 short int var_next_called /* var next_called: Bool */;
-long var31 /* : Int */;
 long var_i /* var i: Int */;
-long var32 /* : Int */;
-long var_33 /* var : Int */;
-short int var34 /* : Bool */;
+long var28 /* : Int */;
+long var_29 /* var : Int */;
+short int var30 /* : Bool */;
+short int var32 /* : Bool */;
+int cltype33;
+int idtype34;
+const char* var_class_name35;
 short int var36 /* : Bool */;
-int cltype37;
-int idtype38;
-const char* var_class_name39;
-short int var40 /* : Bool */;
-static val* varonce41;
-val* var42 /* : String */;
-char* var43 /* : NativeString */;
-long var44 /* : Int */;
-val* var45 /* : FlatString */;
-val* var46 /* : SequenceRead[Char] */;
-val* var47 /* : nullable Object */;
-val* var48 /* : String */;
-char var49 /* : Char */;
-val* var50 /* : String */;
+static val* varonce37;
+val* var38 /* : String */;
+char* var39 /* : CString */;
+val* var40 /* : String */;
+val* var41 /* : nullable Int */;
+val* var42 /* : nullable Int */;
+val* var43 /* : nullable Bool */;
+val* var44 /* : nullable Bool */;
+val* var45 /* : SequenceRead[Char] */;
+val* var46 /* : nullable Object */;
+val* var47 /* : String */;
+uint32_t var48 /* : Char */;
+val* var49 /* : Text */;
 val* var_short_opt /* var short_opt: String */;
-val* var51 /* : HashMap[String, Option] */;
-val* var53 /* : HashMap[String, Option] */;
-short int var54 /* : Bool */;
-val* var55 /* : HashMap[String, Option] */;
-val* var57 /* : HashMap[String, Option] */;
-val* var58 /* : nullable Object */;
+val* var50 /* : HashMap[String, Option] */;
+val* var52 /* : HashMap[String, Option] */;
+short int var53 /* : Bool */;
+val* var54 /* : HashMap[String, Option] */;
+val* var56 /* : HashMap[String, Option] */;
+val* var57 /* : nullable Object */;
 val* var_option /* var option: Option */;
-short int var59 /* : Bool */;
-int cltype60;
-int idtype61;
+short int var58 /* : Bool */;
+int cltype59;
+int idtype60;
+long var61 /* : Int */;
 short int var62 /* : Bool */;
-long var63 /* : Int */;
-long var64 /* : Int */;
-short int var65 /* : Bool */;
-val* var66 /* : HashMap[String, Option] */;
-val* var68 /* : HashMap[String, Option] */;
-short int var69 /* : Bool */;
-val* var70 /* : HashMap[String, Option] */;
-val* var72 /* : HashMap[String, Option] */;
-val* var73 /* : nullable Object */;
+val* var63 /* : HashMap[String, Option] */;
+val* var65 /* : HashMap[String, Option] */;
+short int var66 /* : Bool */;
+val* var67 /* : HashMap[String, Option] */;
+val* var69 /* : HashMap[String, Option] */;
+val* var70 /* : nullable Object */;
 val* var_opt /* var opt: Option */;
-val* var74 /* : nullable Object */;
-short int var75 /* : Bool */;
-short int var77 /* : Bool */;
-val* var78 /* : Array[nullable Object] */;
-short int var79 /* : Bool */;
-val* var81 /* : Array[Option] */;
-val* var83 /* : Array[Option] */;
-val* var_84 /* var : Array[Option] */;
-val* var85 /* : ArrayIterator[nullable Object] */;
-val* var_86 /* var : ArrayIterator[Option] */;
+val* var71 /* : nullable Object */;
+short int var72 /* : Bool */;
+short int var74 /* : Bool */;
+val* var75 /* : Array[nullable Object] */;
+val* var77 /* : Array[Option] */;
+val* var79 /* : Array[Option] */;
+val* var_80 /* var : Array[Option] */;
+val* var81 /* : IndexedIterator[nullable Object] */;
+val* var_82 /* var : IndexedIterator[Option] */;
+short int var83 /* : Bool */;
+val* var85 /* : nullable Object */;
+val* var_opt86 /* var opt: Option */;
 short int var87 /* : Bool */;
-val* var88 /* : nullable Object */;
-val* var_opt89 /* var opt: Option */;
+short int var88 /* : Bool */;
 short int var90 /* : Bool */;
-short int var91 /* : Bool */;
-short int var93 /* : Bool */;
-short int var_94 /* var : Bool */;
+short int var_91 /* var : Bool */;
+short int var92 /* : Bool */;
+short int var94 /* : Bool */;
 short int var95 /* : Bool */;
-short int var97 /* : Bool */;
-short int var98 /* : Bool */;
-val* var99 /* : Array[String] */;
-val* var101 /* : Array[String] */;
-static val* varonce102;
-val* var103 /* : String */;
-char* var104 /* : NativeString */;
-long var105 /* : Int */;
-val* var106 /* : FlatString */;
-val* var107 /* : Array[String] */;
-val* var109 /* : Array[String] */;
-static val* varonce110;
-val* var111 /* : String */;
-char* var112 /* : NativeString */;
-long var113 /* : Int */;
-val* var114 /* : FlatString */;
-val* var115 /* : String */;
-static val* varonce116;
-val* var117 /* : String */;
-char* var118 /* : NativeString */;
-long var119 /* : Int */;
-val* var120 /* : FlatString */;
-val* var121 /* : Array[Object] */;
-long var122 /* : Int */;
-val* var123 /* : NativeArray[Object] */;
-val* var124 /* : String */;
+val* var96 /* : Array[String] */;
+val* var98 /* : Array[String] */;
+val* var100 /* : NativeArray[String] */;
+static val* varonce99;
+static val* varonce101;
+val* var102 /* : String */;
+char* var103 /* : CString */;
+val* var104 /* : String */;
+val* var105 /* : nullable Int */;
+val* var106 /* : nullable Int */;
+val* var107 /* : nullable Bool */;
+val* var108 /* : nullable Bool */;
+static val* varonce109;
+val* var110 /* : String */;
+char* var111 /* : CString */;
+val* var112 /* : String */;
+val* var113 /* : nullable Int */;
+val* var114 /* : nullable Int */;
+val* var115 /* : nullable Bool */;
+val* var116 /* : nullable Bool */;
+val* var117 /* : Array[String] */;
+val* var119 /* : Array[String] */;
+static val* varonce120;
+val* var121 /* : String */;
+char* var122 /* : CString */;
+val* var123 /* : String */;
+val* var124 /* : nullable Int */;
+val* var125 /* : nullable Int */;
+val* var126 /* : nullable Bool */;
+val* var127 /* : nullable Bool */;
+val* var128 /* : String */;
+val* var129 /* : String */;
 var_it = p0;
-var = 1;
-var_parseargs = var;
+var_parseargs = 1;
 {
-opts___opts__OptionContext___build(self); /* Direct call opts#OptionContext#build on <self:OptionContext>*/
+opts___opts__OptionContext___build(self); /* Direct call opts$OptionContext$build on <self:OptionContext>*/
 }
 {
-{ /* Inline opts#OptionContext#rest (self) on <self:OptionContext> */
-var3 = self->attrs[COLOR_opts__OptionContext___rest].val; /* _rest on <self:OptionContext> */
-if (unlikely(var3 == NULL)) {
+{ /* Inline opts$OptionContext$rest (self) on <self:OptionContext> */
+var2 = self->attrs[COLOR_opts__OptionContext___rest].val; /* _rest on <self:OptionContext> */
+if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _rest");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 267);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 286);
+fatal_exit(1);
 }
-var1 = var3;
-RET_LABEL2:(void)0;
+var = var2;
+RET_LABEL1:(void)0;
 }
 }
-var_rest = var1;
+var_rest = var;
 for(;;) {
 var_ = var_parseargs;
 if (var_parseargs){
 {
-var5 = ((short int (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__is_ok]))(var_it) /* is_ok on <var_it:Iterator[String]>*/;
+var4 = ((short int(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_it); /* is_ok on <var_it:Iterator[String]>*/
 }
-var4 = var5;
+var3 = var4;
 } else {
-var4 = var_;
+var3 = var_;
 }
-if (var4){
+if (var3){
 {
-var6 = ((val* (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_it) /* item on <var_it:Iterator[String]>*/;
+var5 = ((val*(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_it); /* item on <var_it:Iterator[String]>*/
 }
-var_str = var6;
-if (varonce) {
-var7 = varonce;
+var_str = var5;
+if (likely(varonce!=NULL)) {
+var6 = varonce;
 } else {
-var8 = "--";
-var9 = 2;
-var10 = standard___standard__NativeString___to_s_with_length(var8, var9);
-var7 = var10;
-varonce = var7;
+var7 = "--";
+var9 = (val*)(2l<<2|1);
+var10 = (val*)(2l<<2|1);
+var11 = (val*)((long)(0)<<2|3);
+var12 = (val*)((long)(0)<<2|3);
+var8 = core__flat___CString___to_s_unsafe(var7, var9, var10, var11, var12);
+var6 = var8;
+varonce = var6;
 }
 {
-var11 = ((short int (*)(val* self, val* p0))(var_str->class->vft[COLOR_standard__kernel__Object___61d_61d]))(var_str, var7) /* == on <var_str:String>*/;
+var13 = ((short int(*)(val* self, val* p0))(var_str->class->vft[COLOR_core__kernel__Object___61d_61d]))(var_str, var6); /* == on <var_str:String>*/
 }
-if (var11){
+if (var13){
 {
-((void (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_it) /* next on <var_it:Iterator[String]>*/;
+((void(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_it); /* next on <var_it:Iterator[String]>*/
 }
 {
-var12 = standard__array___Iterator___to_a(var_it);
+var14 = core__array___Iterator___to_a(var_it);
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add_all(var_rest, var12); /* Direct call array#Array#add_all on <var_rest:Array[String]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add_all(var_rest, var14); /* Direct call array$Array$add_all on <var_rest:Array[String]>*/
 }
-var13 = 0;
-var_parseargs = var13;
+var_parseargs = 0;
 } else {
 {
-var15 = ((val* (*)(val* self))(var_str->class->vft[COLOR_standard__string__Text__chars]))(var_str) /* chars on <var_str:String>*/;
+var16 = ((val*(*)(val* self))(var_str->class->vft[COLOR_core__abstract_text__Text__chars]))(var_str); /* chars on <var_str:String>*/
 }
-var16 = '-';
 {
-var18 = BOX_standard__Char(var16); /* autobox from Char to nullable Object */
-var17 = ((long (*)(val* self, val* p0))(var15->class->vft[COLOR_standard__abstract_collection__SequenceRead__last_index_of]))(var15, var18) /* last_index_of on <var15:SequenceRead[Char]>*/;
+var17 = (val*)((long)('-')<<2|2);
+var18 = ((long(*)(val* self, val* p0))((((long)var16&3)?class_info[((long)var16&3)]:var16->class)->vft[COLOR_core__abstract_collection__SequenceRead__last_index_of]))(var16, var17); /* last_index_of on <var16:SequenceRead[Char]>*/
 }
-var19 = 0;
 {
-{ /* Inline kernel#Int#== (var17,var19) on <var17:Int> */
-var22 = var17 == var19;
-var20 = var22;
-goto RET_LABEL21;
-RET_LABEL21:(void)0;
+{ /* Inline kernel$Int$== (var18,0l) on <var18:Int> */
+var21 = var18 == 0l;
+var19 = var21;
+goto RET_LABEL20;
+RET_LABEL20:(void)0;
 }
 }
-var_23 = var20;
-if (var20){
+var_22 = var19;
+if (var19){
 {
-var24 = ((long (*)(val* self))(var_str->class->vft[COLOR_standard__string__Text__length]))(var_str) /* length on <var_str:String>*/;
+var23 = ((long(*)(val* self))(var_str->class->vft[COLOR_core__abstract_text__Text__length]))(var_str); /* length on <var_str:String>*/
 }
-var25 = 2;
 {
-{ /* Inline kernel#Int#> (var24,var25) on <var24:Int> */
-/* Covariant cast for argument 0 (i) <var25:Int> isa OTHER */
-/* <var25:Int> isa OTHER */
-var28 = 1; /* easy <var25:Int> isa OTHER*/
-if (unlikely(!var28)) {
-var_class_name = type_standard__Int.name;
+{ /* Inline kernel$Int$> (var23,2l) on <var23:Int> */
+/* Covariant cast for argument 0 (i) <2l:Int> isa OTHER */
+/* <2l:Int> isa OTHER */
+var26 = 1; /* easy <2l:Int> isa OTHER*/
+if (unlikely(!var26)) {
+var_class_name = type_core__Int.name;
 PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 412);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 727);
+fatal_exit(1);
 }
-var29 = var24 > var25;
-var26 = var29;
-goto RET_LABEL27;
-RET_LABEL27:(void)0;
+var27 = var23 > 2l;
+var24 = var27;
+goto RET_LABEL25;
+RET_LABEL25:(void)0;
 }
 }
-var14 = var26;
+var15 = var24;
 } else {
-var14 = var_23;
+var15 = var_22;
 }
-if (var14){
-var30 = 0;
-var_next_called = var30;
-var31 = 1;
-var_i = var31;
+if (var15){
+var_next_called = 0;
+var_i = 1l;
 {
-var32 = ((long (*)(val* self))(var_str->class->vft[COLOR_standard__string__Text__length]))(var_str) /* length on <var_str:String>*/;
+var28 = ((long(*)(val* self))(var_str->class->vft[COLOR_core__abstract_text__Text__length]))(var_str); /* length on <var_str:String>*/
 }
-var_33 = var32;
+var_29 = var28;
 for(;;) {
 {
-{ /* Inline kernel#Int#< (var_i,var_33) on <var_i:Int> */
-/* Covariant cast for argument 0 (i) <var_33:Int> isa OTHER */
-/* <var_33:Int> isa OTHER */
-var36 = 1; /* easy <var_33:Int> isa OTHER*/
-if (unlikely(!var36)) {
-var_class_name39 = type_standard__Int.name;
-PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name39);
-PRINT_ERROR(" (%s:%d)\n", FILE_standard__kernel, 410);
-show_backtrace(1);
-}
-var40 = var_i < var_33;
-var34 = var40;
-goto RET_LABEL35;
-RET_LABEL35:(void)0;
+{ /* Inline kernel$Int$< (var_i,var_29) on <var_i:Int> */
+/* Covariant cast for argument 0 (i) <var_29:Int> isa OTHER */
+/* <var_29:Int> isa OTHER */
+var32 = 1; /* easy <var_29:Int> isa OTHER*/
+if (unlikely(!var32)) {
+var_class_name35 = type_core__Int.name;
+PRINT_ERROR("Runtime error: Cast failed. Expected `%s`, got `%s`", "OTHER", var_class_name35);
+PRINT_ERROR(" (%s:%d)\n", FILE_core__kernel, 725);
+fatal_exit(1);
 }
+var36 = var_i < var_29;
+var30 = var36;
+goto RET_LABEL31;
+RET_LABEL31:(void)0;
 }
-if (var34){
-if (varonce41) {
-var42 = varonce41;
+}
+if (var30){
 } else {
-var43 = "-";
-var44 = 1;
-var45 = standard___standard__NativeString___to_s_with_length(var43, var44);
-var42 = var45;
-varonce41 = var42;
+goto BREAK_label;
+}
+if (likely(varonce37!=NULL)) {
+var38 = varonce37;
+} else {
+var39 = "-";
+var41 = (val*)(1l<<2|1);
+var42 = (val*)(1l<<2|1);
+var43 = (val*)((long)(0)<<2|3);
+var44 = (val*)((long)(0)<<2|3);
+var40 = core__flat___CString___to_s_unsafe(var39, var41, var42, var43, var44);
+var38 = var40;
+varonce37 = var38;
 }
 {
-var46 = ((val* (*)(val* self))(var_str->class->vft[COLOR_standard__string__Text__chars]))(var_str) /* chars on <var_str:String>*/;
+var45 = ((val*(*)(val* self))(var_str->class->vft[COLOR_core__abstract_text__Text__chars]))(var_str); /* chars on <var_str:String>*/
 }
 {
-var47 = ((val* (*)(val* self, long p0))(var46->class->vft[COLOR_standard__abstract_collection__SequenceRead___91d_93d]))(var46, var_i) /* [] on <var46:SequenceRead[Char]>*/;
+var46 = ((val*(*)(val* self, long p0))((((long)var45&3)?class_info[((long)var45&3)]:var45->class)->vft[COLOR_core__abstract_collection__SequenceRead___91d_93d]))(var45, var_i); /* [] on <var45:SequenceRead[Char]>*/
 }
 {
-var49 = ((struct instance_standard__Char*)var47)->value; /* autounbox from nullable Object to Char */;
-var48 = standard__string___Char___Object__to_s(var49);
+var48 = (uint32_t)((long)(var46)>>2);
+var47 = core__abstract_text___Char___Object__to_s(var48);
 }
 {
-var50 = ((val* (*)(val* self, val* p0))(var42->class->vft[COLOR_standard__string__String___43d]))(var42, var48) /* + on <var42:String>*/;
+var49 = ((val*(*)(val* self, val* p0))(var38->class->vft[COLOR_core__abstract_text__Text___43d]))(var38, var47); /* + on <var38:String>*/
 }
-var_short_opt = var50;
+var_short_opt = var49;
 {
-{ /* Inline opts#OptionContext#optmap (self) on <self:OptionContext> */
-var53 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
-if (unlikely(var53 == NULL)) {
+{ /* Inline opts$OptionContext$optmap (self) on <self:OptionContext> */
+var52 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
+if (unlikely(var52 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _optmap");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 292);
+fatal_exit(1);
 }
-var51 = var53;
-RET_LABEL52:(void)0;
+var50 = var52;
+RET_LABEL51:(void)0;
 }
 }
 {
-var54 = standard___standard__MapRead___has_key(var51, var_short_opt);
+var53 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var50, var_short_opt);
 }
-if (var54){
+if (var53){
 {
-{ /* Inline opts#OptionContext#optmap (self) on <self:OptionContext> */
-var57 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
-if (unlikely(var57 == NULL)) {
+{ /* Inline opts$OptionContext$optmap (self) on <self:OptionContext> */
+var56 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
+if (unlikely(var56 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _optmap");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 292);
+fatal_exit(1);
 }
-var55 = var57;
-RET_LABEL56:(void)0;
+var54 = var56;
+RET_LABEL55:(void)0;
 }
 }
 {
-var58 = standard___standard__HashMap___standard__abstract_collection__MapRead___91d_93d(var55, var_short_opt);
+var57 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var54, var_short_opt);
 }
-var_option = var58;
+var_option = var57;
 /* <var_option:Option> isa OptionParameter */
-cltype60 = type_opts__OptionParameter.color;
-idtype61 = type_opts__OptionParameter.id;
-if(cltype60 >= var_option->type->table_size) {
-var59 = 0;
+cltype59 = type_opts__OptionParameter.color;
+idtype60 = type_opts__OptionParameter.id;
+if(cltype59 >= var_option->type->table_size) {
+var58 = 0;
 } else {
-var59 = var_option->type->type_table[cltype60] == idtype61;
+var58 = var_option->type->type_table[cltype59] == idtype60;
 }
-if (var59){
+if (var58){
 {
-((void (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_it) /* next on <var_it:Iterator[String]>*/;
+((void(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_it); /* next on <var_it:Iterator[String]>*/
 }
-var62 = 1;
-var_next_called = var62;
+var_next_called = 1;
 } else {
 }
 {
-((void (*)(val* self, val* p0))(var_option->class->vft[COLOR_opts__Option__read_param]))(var_option, var_it) /* read_param on <var_option:Option>*/;
+((void(*)(val* self, val* p0, val* p1))(var_option->class->vft[COLOR_opts__Option__read_param]))(var_option, self, var_it); /* read_param on <var_option:Option>*/
 }
 } else {
 }
-var63 = 1;
 {
-var64 = standard___standard__Int___Discrete__successor(var_i, var63);
-}
-var_i = var64;
-} else {
-goto BREAK_label;
+var61 = core___core__Int___Discrete__successor(var_i, 1l);
 }
+var_i = var61;
 }
 BREAK_label: (void)0;
-var65 = !var_next_called;
-if (var65){
+var62 = !var_next_called;
+if (var62){
 {
-((void (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_it) /* next on <var_it:Iterator[String]>*/;
+((void(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_it); /* next on <var_it:Iterator[String]>*/
 }
 } else {
 }
 } else {
 {
-{ /* Inline opts#OptionContext#optmap (self) on <self:OptionContext> */
-var68 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
-if (unlikely(var68 == NULL)) {
+{ /* Inline opts$OptionContext$optmap (self) on <self:OptionContext> */
+var65 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
+if (unlikely(var65 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _optmap");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 292);
+fatal_exit(1);
 }
-var66 = var68;
-RET_LABEL67:(void)0;
+var63 = var65;
+RET_LABEL64:(void)0;
 }
 }
 {
-var69 = standard___standard__MapRead___has_key(var66, var_str);
+var66 = core___core__HashMap___core__abstract_collection__MapRead__has_key(var63, var_str);
 }
-if (var69){
+if (var66){
 {
-{ /* Inline opts#OptionContext#optmap (self) on <self:OptionContext> */
-var72 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
-if (unlikely(var72 == NULL)) {
+{ /* Inline opts$OptionContext$optmap (self) on <self:OptionContext> */
+var69 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
+if (unlikely(var69 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _optmap");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 292);
+fatal_exit(1);
 }
-var70 = var72;
-RET_LABEL71:(void)0;
+var67 = var69;
+RET_LABEL68:(void)0;
 }
 }
 {
-var73 = standard___standard__HashMap___standard__abstract_collection__MapRead___91d_93d(var70, var_str);
+var70 = core___core__HashMap___core__abstract_collection__MapRead___91d_93d(var67, var_str);
 }
-var_opt = var73;
+var_opt = var70;
 {
-((void (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_it) /* next on <var_it:Iterator[String]>*/;
+((void(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_it); /* next on <var_it:Iterator[String]>*/
 }
 {
-((void (*)(val* self, val* p0))(var_opt->class->vft[COLOR_opts__Option__read_param]))(var_opt, var_it) /* read_param on <var_opt:Option>*/;
+((void(*)(val* self, val* p0, val* p1))(var_opt->class->vft[COLOR_opts__Option__read_param]))(var_opt, self, var_it); /* read_param on <var_opt:Option>*/
 }
 } else {
 {
-var74 = ((val* (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__item]))(var_it) /* item on <var_it:Iterator[String]>*/;
+var71 = ((val*(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_it); /* item on <var_it:Iterator[String]>*/
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var_rest, var74); /* Direct call array#Array#add on <var_rest:Array[String]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_rest, var71); /* Direct call array$Array$add on <var_rest:Array[String]>*/
 }
 {
-((void (*)(val* self))(var_it->class->vft[COLOR_standard__abstract_collection__Iterator__next]))(var_it) /* next on <var_it:Iterator[String]>*/;
+((void(*)(val* self))((((long)var_it&3)?class_info[((long)var_it&3)]:var_it->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_it); /* next on <var_it:Iterator[String]>*/
 }
 {
-{ /* Inline opts#OptionContext#options_before_rest (self) on <self:OptionContext> */
-var77 = self->attrs[COLOR_opts__OptionContext___options_before_rest].s; /* _options_before_rest on <self:OptionContext> */
-var75 = var77;
-RET_LABEL76:(void)0;
+{ /* Inline opts$OptionContext$options_before_rest (self) on <self:OptionContext> */
+var74 = self->attrs[COLOR_opts__OptionContext___options_before_rest].s; /* _options_before_rest on <self:OptionContext> */
+var72 = var74;
+RET_LABEL73:(void)0;
 }
 }
-if (var75){
+if (var72){
 {
-var78 = standard__array___Iterator___to_a(var_it);
+var75 = core__array___Iterator___to_a(var_it);
 }
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add_all(var_rest, var78); /* Direct call array#Array#add_all on <var_rest:Array[String]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add_all(var_rest, var75); /* Direct call array$Array$add_all on <var_rest:Array[String]>*/
 }
-var79 = 0;
-var_parseargs = var79;
+var_parseargs = 0;
 } else {
 }
 }
 }
 }
 } else {
-goto BREAK_label80;
+goto BREAK_label76;
 }
 }
-BREAK_label80: (void)0;
+BREAK_label76: (void)0;
 {
-{ /* Inline opts#OptionContext#options (self) on <self:OptionContext> */
-var83 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
-if (unlikely(var83 == NULL)) {
+{ /* Inline opts$OptionContext$options (self) on <self:OptionContext> */
+var79 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
+if (unlikely(var79 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 264);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 283);
+fatal_exit(1);
 }
-var81 = var83;
-RET_LABEL82:(void)0;
+var77 = var79;
+RET_LABEL78:(void)0;
 }
 }
-var_84 = var81;
+var_80 = var77;
 {
-var85 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_84);
+var81 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_80);
 }
-var_86 = var85;
+var_82 = var81;
 for(;;) {
 {
-var87 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_86);
+var83 = ((short int(*)(val* self))((((long)var_82&3)?class_info[((long)var_82&3)]:var_82->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_82); /* is_ok on <var_82:IndexedIterator[Option]>*/
+}
+if (var83){
+} else {
+goto BREAK_label84;
 }
-if (var87){
 {
-var88 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_86);
+var85 = ((val*(*)(val* self))((((long)var_82&3)?class_info[((long)var_82&3)]:var_82->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_82); /* item on <var_82:IndexedIterator[Option]>*/
 }
-var_opt89 = var88;
+var_opt86 = var85;
 {
-{ /* Inline opts#Option#mandatory (var_opt89) on <var_opt89:Option> */
-var93 = var_opt89->attrs[COLOR_opts__Option___mandatory].s; /* _mandatory on <var_opt89:Option> */
-var91 = var93;
-RET_LABEL92:(void)0;
+{ /* Inline opts$Option$mandatory (var_opt86) on <var_opt86:Option> */
+var90 = var_opt86->attrs[COLOR_opts__Option___mandatory].s; /* _mandatory on <var_opt86:Option> */
+var88 = var90;
+RET_LABEL89:(void)0;
 }
 }
-var_94 = var91;
-if (var91){
+var_91 = var88;
+if (var88){
 {
-{ /* Inline opts#Option#read (var_opt89) on <var_opt89:Option> */
-var97 = var_opt89->attrs[COLOR_opts__Option___read].s; /* _read on <var_opt89:Option> */
-var95 = var97;
-RET_LABEL96:(void)0;
+{ /* Inline opts$Option$read (var_opt86) on <var_opt86:Option> */
+var94 = var_opt86->attrs[COLOR_opts__Option___read].s; /* _read on <var_opt86:Option> */
+var92 = var94;
+RET_LABEL93:(void)0;
 }
 }
-var98 = !var95;
-var90 = var98;
+var95 = !var92;
+var87 = var95;
 } else {
-var90 = var_94;
+var87 = var_91;
 }
-if (var90){
+if (var87){
 {
-{ /* Inline opts#OptionContext#errors (self) on <self:OptionContext> */
-var101 = self->attrs[COLOR_opts__OptionContext___errors].val; /* _errors on <self:OptionContext> */
-if (unlikely(var101 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _errors");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 270);
-show_backtrace(1);
+{ /* Inline opts$OptionContext$context_errors (self) on <self:OptionContext> */
+var98 = self->attrs[COLOR_opts__OptionContext___context_errors].val; /* _context_errors on <self:OptionContext> */
+if (unlikely(var98 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
 }
-var99 = var101;
-RET_LABEL100:(void)0;
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _context_errors");
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 289);
+fatal_exit(1);
 }
+var96 = var98;
+RET_LABEL97:(void)0;
 }
-if (varonce102) {
-var103 = varonce102;
+}
+if (unlikely(varonce99==NULL)) {
+var100 = NEW_core__NativeArray((int)3l, &type_core__NativeArray__core__String);
+if (likely(varonce101!=NULL)) {
+var102 = varonce101;
+} else {
+var103 = "Mandatory option ";
+var105 = (val*)(17l<<2|1);
+var106 = (val*)(17l<<2|1);
+var107 = (val*)((long)(0)<<2|3);
+var108 = (val*)((long)(0)<<2|3);
+var104 = core__flat___CString___to_s_unsafe(var103, var105, var106, var107, var108);
+var102 = var104;
+varonce101 = var102;
+}
+((struct instance_core__NativeArray*)var100)->values[0]=var102;
+if (likely(varonce109!=NULL)) {
+var110 = varonce109;
 } else {
-var104 = "Mandatory option ";
-var105 = 17;
-var106 = standard___standard__NativeString___to_s_with_length(var104, var105);
-var103 = var106;
-varonce102 = var103;
+var111 = " not found.";
+var113 = (val*)(11l<<2|1);
+var114 = (val*)(11l<<2|1);
+var115 = (val*)((long)(0)<<2|3);
+var116 = (val*)((long)(0)<<2|3);
+var112 = core__flat___CString___to_s_unsafe(var111, var113, var114, var115, var116);
+var110 = var112;
+varonce109 = var110;
+}
+((struct instance_core__NativeArray*)var100)->values[2]=var110;
+} else {
+var100 = varonce99;
+varonce99 = NULL;
 }
 {
-{ /* Inline opts#Option#names (var_opt89) on <var_opt89:Option> */
-var109 = var_opt89->attrs[COLOR_opts__Option___names].val; /* _names on <var_opt89:Option> */
-if (unlikely(var109 == NULL)) {
+{ /* Inline opts$Option$names (var_opt86) on <var_opt86:Option> */
+var119 = var_opt86->attrs[COLOR_opts__Option___names].val; /* _names on <var_opt86:Option> */
+if (unlikely(var119 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _names");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 19);
-show_backtrace(1);
-}
-var107 = var109;
-RET_LABEL108:(void)0;
-}
+fatal_exit(1);
 }
-if (varonce110) {
-var111 = varonce110;
-} else {
-var112 = ", ";
-var113 = 2;
-var114 = standard___standard__NativeString___to_s_with_length(var112, var113);
-var111 = var114;
-varonce110 = var111;
+var117 = var119;
+RET_LABEL118:(void)0;
 }
-{
-var115 = standard__string___Collection___join(var107, var111);
 }
-if (varonce116) {
-var117 = varonce116;
+if (likely(varonce120!=NULL)) {
+var121 = varonce120;
 } else {
-var118 = " not found.";
-var119 = 11;
-var120 = standard___standard__NativeString___to_s_with_length(var118, var119);
-var117 = var120;
-varonce116 = var117;
+var122 = ", ";
+var124 = (val*)(2l<<2|1);
+var125 = (val*)(2l<<2|1);
+var126 = (val*)((long)(0)<<2|3);
+var127 = (val*)((long)(0)<<2|3);
+var123 = core__flat___CString___to_s_unsafe(var122, var124, var125, var126, var127);
+var121 = var123;
+varonce120 = var121;
 }
-var121 = NEW_standard__Array(&type_standard__Array__standard__Object);
-{ /* var121 = array_instance Array[Object] */
-var122 = 3;
-var123 = NEW_standard__NativeArray(var122, &type_standard__NativeArray__standard__Object);
-((struct instance_standard__NativeArray*)var123)->values[0] = (val*) var103;
-((struct instance_standard__NativeArray*)var123)->values[1] = (val*) var115;
-((struct instance_standard__NativeArray*)var123)->values[2] = (val*) var117;
 {
-((void (*)(val* self, val* p0, long p1))(var121->class->vft[COLOR_standard__array__Array__with_native]))(var121, var123, var122) /* with_native on <var121:Array[Object]>*/;
-}
+var128 = core__abstract_text___Collection___join(var117, var121, ((val*)NULL));
 }
+((struct instance_core__NativeArray*)var100)->values[1]=var128;
 {
-var124 = ((val* (*)(val* self))(var121->class->vft[COLOR_standard__string__Object__to_s]))(var121) /* to_s on <var121:Array[Object]>*/;
+var129 = ((val*(*)(val* self))(var100->class->vft[COLOR_core__abstract_text__NativeArray__native_to_s]))(var100); /* native_to_s on <var100:NativeArray[String]>*/
 }
+varonce99 = var100;
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var99, var124); /* Direct call array#Array#add on <var99:Array[String]>*/
+core___core__Array___core__abstract_collection__SimpleCollection__add(var96, var129); /* Direct call array$Array$add on <var96:Array[String]>*/
 }
 } else {
 }
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_86); /* Direct call array#ArrayIterator#next on <var_86:ArrayIterator[Option]>*/
+((void(*)(val* self))((((long)var_82&3)?class_info[((long)var_82&3)]:var_82->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_82); /* next on <var_82:IndexedIterator[Option]>*/
 }
-} else {
-goto BREAK_label125;
 }
-}
-BREAK_label125: (void)0;
+BREAK_label84: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_86) on <var_86:ArrayIterator[Option]> */
-RET_LABEL126:(void)0;
-}
+((void(*)(val* self))((((long)var_82&3)?class_info[((long)var_82&3)]:var_82->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_82); /* finish on <var_82:IndexedIterator[Option]>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionContext#build for (self: OptionContext) */
+/* method opts$OptionContext$build for (self: OptionContext) */
 void opts___opts__OptionContext___build(val* self) {
 val* var /* : Array[Option] */;
 val* var2 /* : Array[Option] */;
 val* var_ /* var : Array[Option] */;
-val* var3 /* : ArrayIterator[nullable Object] */;
-val* var_4 /* var : ArrayIterator[Option] */;
+val* var3 /* : IndexedIterator[nullable Object] */;
+val* var_4 /* var : IndexedIterator[Option] */;
 short int var5 /* : Bool */;
 val* var6 /* : nullable Object */;
 val* var_o /* var o: Option */;
 val* var7 /* : Array[String] */;
 val* var9 /* : Array[String] */;
 val* var_10 /* var : Array[String] */;
-val* var11 /* : ArrayIterator[nullable Object] */;
-val* var_12 /* var : ArrayIterator[String] */;
+val* var11 /* : IndexedIterator[nullable Object] */;
+val* var_12 /* var : IndexedIterator[String] */;
 short int var13 /* : Bool */;
-val* var14 /* : nullable Object */;
+val* var15 /* : nullable Object */;
 val* var_n /* var n: String */;
-val* var15 /* : HashMap[String, Option] */;
-val* var17 /* : HashMap[String, Option] */;
+val* var16 /* : HashMap[String, Option] */;
+val* var18 /* : HashMap[String, Option] */;
 {
-{ /* Inline opts#OptionContext#options (self) on <self:OptionContext> */
+{ /* Inline opts$OptionContext$options (self) on <self:OptionContext> */
 var2 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
 if (unlikely(var2 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 264);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 283);
+fatal_exit(1);
 }
 var = var2;
 RET_LABEL1:(void)0;
@@ -2122,25 +2463,31 @@ RET_LABEL1:(void)0;
 }
 var_ = var;
 {
-var3 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_);
+var3 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
 }
 var_4 = var3;
 for(;;) {
 {
-var5 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_4);
+var5 = ((short int(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_4); /* is_ok on <var_4:IndexedIterator[Option]>*/
 }
 if (var5){
+} else {
+goto BREAK_label;
+}
 {
-var6 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_4);
+var6 = ((val*(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_4); /* item on <var_4:IndexedIterator[Option]>*/
 }
 var_o = var6;
 {
-{ /* Inline opts#Option#names (var_o) on <var_o:Option> */
+{ /* Inline opts$Option$names (var_o) on <var_o:Option> */
 var9 = var_o->attrs[COLOR_opts__Option___names].val; /* _names on <var_o:Option> */
 if (unlikely(var9 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _names");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 19);
-show_backtrace(1);
+fatal_exit(1);
 }
 var7 = var9;
 RET_LABEL8:(void)0;
@@ -2148,170 +2495,185 @@ RET_LABEL8:(void)0;
 }
 var_10 = var7;
 {
-var11 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_10);
+var11 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_10);
 }
 var_12 = var11;
 for(;;) {
 {
-var13 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_12);
+var13 = ((short int(*)(val* self))((((long)var_12&3)?class_info[((long)var_12&3)]:var_12->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_12); /* is_ok on <var_12:IndexedIterator[String]>*/
 }
 if (var13){
+} else {
+goto BREAK_label14;
+}
 {
-var14 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_12);
+var15 = ((val*(*)(val* self))((((long)var_12&3)?class_info[((long)var_12&3)]:var_12->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_12); /* item on <var_12:IndexedIterator[String]>*/
 }
-var_n = var14;
+var_n = var15;
 {
-{ /* Inline opts#OptionContext#optmap (self) on <self:OptionContext> */
-var17 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
-if (unlikely(var17 == NULL)) {
+{ /* Inline opts$OptionContext$optmap (self) on <self:OptionContext> */
+var18 = self->attrs[COLOR_opts__OptionContext___optmap].val; /* _optmap on <self:OptionContext> */
+if (unlikely(var18 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _optmap");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 273);
-show_backtrace(1);
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 292);
+fatal_exit(1);
 }
-var15 = var17;
-RET_LABEL16:(void)0;
+var16 = var18;
+RET_LABEL17:(void)0;
 }
 }
 {
-standard___standard__HashMap___standard__abstract_collection__Map___91d_93d_61d(var15, var_n, var_o); /* Direct call hash_collection#HashMap#[]= on <var15:HashMap[String, Option]>*/
+core___core__HashMap___core__abstract_collection__Map___91d_93d_61d(var16, var_n, var_o); /* Direct call hash_collection$HashMap$[]= on <var16:HashMap[String, Option]>*/
 }
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_12); /* Direct call array#ArrayIterator#next on <var_12:ArrayIterator[String]>*/
-}
-} else {
-goto BREAK_label;
+((void(*)(val* self))((((long)var_12&3)?class_info[((long)var_12&3)]:var_12->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_12); /* next on <var_12:IndexedIterator[String]>*/
 }
 }
-BREAK_label: (void)0;
+BREAK_label14: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_12) on <var_12:ArrayIterator[String]> */
-RET_LABEL18:(void)0;
-}
+((void(*)(val* self))((((long)var_12&3)?class_info[((long)var_12&3)]:var_12->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_12); /* finish on <var_12:IndexedIterator[String]>*/
 }
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_4); /* Direct call array#ArrayIterator#next on <var_4:ArrayIterator[Option]>*/
+((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_4); /* next on <var_4:IndexedIterator[Option]>*/
 }
-} else {
-goto BREAK_label19;
 }
-}
-BREAK_label19: (void)0;
+BREAK_label: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_4) on <var_4:ArrayIterator[Option]> */
-RET_LABEL20:(void)0;
-}
+((void(*)(val* self))((((long)var_4&3)?class_info[((long)var_4&3)]:var_4->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_4); /* finish on <var_4:IndexedIterator[Option]>*/
 }
 RET_LABEL:;
 }
-/* method opts#OptionContext#get_errors for (self: OptionContext): Array[String] */
-val* opts___opts__OptionContext___get_errors(val* self) {
+/* method opts$OptionContext$errors for (self: OptionContext): Array[String] */
+val* opts___opts__OptionContext___errors(val* self) {
 val* var /* : Array[String] */;
 val* var1 /* : Array[String] */;
 val* var_errors /* var errors: Array[String] */;
-val* var2 /* : Array[Option] */;
-val* var4 /* : Array[Option] */;
+val* var2 /* : Array[String] */;
+val* var4 /* : Array[String] */;
+val* var5 /* : Array[Option] */;
+val* var7 /* : Array[Option] */;
 val* var_ /* var : Array[Option] */;
-val* var5 /* : ArrayIterator[nullable Object] */;
-val* var_6 /* var : ArrayIterator[Option] */;
-short int var7 /* : Bool */;
-val* var8 /* : nullable Object */;
+val* var8 /* : IndexedIterator[nullable Object] */;
+val* var_9 /* var : IndexedIterator[Option] */;
+short int var10 /* : Bool */;
+val* var11 /* : nullable Object */;
 val* var_o /* var o: Option */;
-val* var9 /* : Array[String] */;
-val* var11 /* : Array[String] */;
-val* var_12 /* var : Array[String] */;
-val* var13 /* : ArrayIterator[nullable Object] */;
-val* var_14 /* var : ArrayIterator[String] */;
-short int var15 /* : Bool */;
-val* var16 /* : nullable Object */;
+val* var12 /* : Array[String] */;
+val* var14 /* : Array[String] */;
+val* var_15 /* var : Array[String] */;
+val* var16 /* : IndexedIterator[nullable Object] */;
+val* var_17 /* var : IndexedIterator[String] */;
+short int var18 /* : Bool */;
+val* var20 /* : nullable Object */;
 val* var_e /* var e: String */;
-var1 = NEW_standard__Array(&type_standard__Array__standard__String);
+var1 = NEW_core__Array(&type_core__Array__core__String);
 {
-standard___standard__Array___standard__kernel__Object__init(var1); /* Direct call array#Array#init on <var1:Array[String]>*/
+core___core__Array___core__kernel__Object__init(var1); /* Direct call array$Array$init on <var1:Array[String]>*/
 }
 var_errors = var1;
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add_all(var_errors, var_errors); /* Direct call array#Array#add_all on <var_errors:Array[String]>*/
-}
-{
-{ /* Inline opts#OptionContext#options (self) on <self:OptionContext> */
-var4 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
+{ /* Inline opts$OptionContext$context_errors (self) on <self:OptionContext> */
+var4 = self->attrs[COLOR_opts__OptionContext___context_errors].val; /* _context_errors on <self:OptionContext> */
 if (unlikely(var4 == NULL)) {
-PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
-PRINT_ERROR(" (%s:%d)\n", FILE_opts, 264);
-show_backtrace(1);
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _context_errors");
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 289);
+fatal_exit(1);
 }
 var2 = var4;
 RET_LABEL3:(void)0;
 }
 }
-var_ = var2;
 {
-var5 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_);
+core___core__Array___core__abstract_collection__SimpleCollection__add_all(var_errors, var2); /* Direct call array$Array$add_all on <var_errors:Array[String]>*/
+}
+{
+{ /* Inline opts$OptionContext$options (self) on <self:OptionContext> */
+var7 = self->attrs[COLOR_opts__OptionContext___options].val; /* _options on <self:OptionContext> */
+if (unlikely(var7 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
+PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _options");
+PRINT_ERROR(" (%s:%d)\n", FILE_opts, 283);
+fatal_exit(1);
+}
+var5 = var7;
+RET_LABEL6:(void)0;
+}
+}
+var_ = var5;
+{
+var8 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_);
 }
-var_6 = var5;
+var_9 = var8;
 for(;;) {
 {
-var7 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_6);
+var10 = ((short int(*)(val* self))((((long)var_9&3)?class_info[((long)var_9&3)]:var_9->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_9); /* is_ok on <var_9:IndexedIterator[Option]>*/
+}
+if (var10){
+} else {
+goto BREAK_label;
 }
-if (var7){
 {
-var8 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_6);
+var11 = ((val*(*)(val* self))((((long)var_9&3)?class_info[((long)var_9&3)]:var_9->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_9); /* item on <var_9:IndexedIterator[Option]>*/
 }
-var_o = var8;
+var_o = var11;
 {
-{ /* Inline opts#Option#errors (var_o) on <var_o:Option> */
-var11 = var_o->attrs[COLOR_opts__Option___errors].val; /* _errors on <var_o:Option> */
-if (unlikely(var11 == NULL)) {
+{ /* Inline opts$Option$errors (var_o) on <var_o:Option> */
+var14 = var_o->attrs[COLOR_opts__Option___errors].val; /* _errors on <var_o:Option> */
+if (unlikely(var14 == NULL)) {
+if(catchStack.cursor >= 0){
+longjmp(catchStack.envs[catchStack.cursor], 1);
+}
 PRINT_ERROR("Runtime error: %s", "Uninitialized attribute _errors");
 PRINT_ERROR(" (%s:%d)\n", FILE_opts, 28);
-show_backtrace(1);
+fatal_exit(1);
 }
-var9 = var11;
-RET_LABEL10:(void)0;
+var12 = var14;
+RET_LABEL13:(void)0;
 }
 }
-var_12 = var9;
+var_15 = var12;
 {
-var13 = standard___standard__AbstractArrayRead___standard__abstract_collection__Collection__iterator(var_12);
+var16 = core___core__AbstractArrayRead___core__abstract_collection__Collection__iterator(var_15);
 }
-var_14 = var13;
+var_17 = var16;
 for(;;) {
 {
-var15 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__is_ok(var_14);
+var18 = ((short int(*)(val* self))((((long)var_17&3)?class_info[((long)var_17&3)]:var_17->class)->vft[COLOR_core__abstract_collection__Iterator__is_ok]))(var_17); /* is_ok on <var_17:IndexedIterator[String]>*/
 }
-if (var15){
-{
-var16 = standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__item(var_14);
+if (var18){
+} else {
+goto BREAK_label19;
 }
-var_e = var16;
 {
-standard___standard__Array___standard__abstract_collection__SimpleCollection__add(var_errors, var_e); /* Direct call array#Array#add on <var_errors:Array[String]>*/
+var20 = ((val*(*)(val* self))((((long)var_17&3)?class_info[((long)var_17&3)]:var_17->class)->vft[COLOR_core__abstract_collection__Iterator__item]))(var_17); /* item on <var_17:IndexedIterator[String]>*/
 }
+var_e = var20;
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_14); /* Direct call array#ArrayIterator#next on <var_14:ArrayIterator[String]>*/
-}
-} else {
-goto BREAK_label;
-}
+core___core__Array___core__abstract_collection__SimpleCollection__add(var_errors, var_e); /* Direct call array$Array$add on <var_errors:Array[String]>*/
 }
-BREAK_label: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_14) on <var_14:ArrayIterator[String]> */
-RET_LABEL17:(void)0;
+((void(*)(val* self))((((long)var_17&3)?class_info[((long)var_17&3)]:var_17->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_17); /* next on <var_17:IndexedIterator[String]>*/
 }
 }
+BREAK_label19: (void)0;
 {
-standard__array___standard__array__ArrayIterator___standard__abstract_collection__Iterator__next(var_6); /* Direct call array#ArrayIterator#next on <var_6:ArrayIterator[Option]>*/
+((void(*)(val* self))((((long)var_17&3)?class_info[((long)var_17&3)]:var_17->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_17); /* finish on <var_17:IndexedIterator[String]>*/
 }
-} else {
-goto BREAK_label18;
+{
+((void(*)(val* self))((((long)var_9&3)?class_info[((long)var_9&3)]:var_9->class)->vft[COLOR_core__abstract_collection__Iterator__next]))(var_9); /* next on <var_9:IndexedIterator[Option]>*/
 }
 }
-BREAK_label18: (void)0;
+BREAK_label: (void)0;
 {
-{ /* Inline abstract_collection#Iterator#finish (var_6) on <var_6:ArrayIterator[Option]> */
-RET_LABEL19:(void)0;
-}
+((void(*)(val* self))((((long)var_9&3)?class_info[((long)var_9&3)]:var_9->class)->vft[COLOR_core__abstract_collection__Iterator__finish]))(var_9); /* finish on <var_9:IndexedIterator[Option]>*/
 }
 var = var_errors;
 goto RET_LABEL;