CHANGE: logic, none and datatype values are now always molded using construction syntax

resolves: Oldes/Rebol-issues#2159

Author: Oldes

src/core/s-mold.c

@@ -124,17 +124,14 @@ enum {
 		case 'N':	// Symbol name
 			Append_UTF8(series, Get_Sym_Name(va_arg(args, REBCNT)), -1);
 			break;
-		case '+':	// Add #[ if mold/all
+		case '+':	// Add #( if mold/all
 			if (GET_MOPT(mold, MOPT_MOLD_ALL)) {
 				Append_Bytes(series, "#(");
 				ender = ')';
 			}
 			break;
-		case 'D':	// Datatype symbol: #[type
-			if (ender) {
-				Append_UTF8(series, Get_Sym_Name(va_arg(args, REBCNT)), -1);
-				Append_Byte(series, ' ');
-			} else va_arg(args, REBCNT); // ignore it
+		case 'D':	// Datatype symbol: #(type
+			Append_UTF8(series, Get_Sym_Name(va_arg(args, REBCNT)), -1);
 			break;
 		case 'B':	// Boot string
 			Append_Boot_Str(series, va_arg(args, REBINT));
@@ -1181,14 +1178,11 @@ STOID Mold_Error(REBVAL *value, REB_MOLD *mold, REBFLG molded)
 
 	switch (VAL_TYPE(value)) {
 	case REB_NONE:
-		Emit(mold, "+N", SYM_NONE);
+		Append_Bytes(ser, molded ? "#(none)" : "none");
 		break;
 
 	case REB_LOGIC:
-//		if (!molded || !VAL_LOGIC_WORDS(value) || !GET_MOPT(mold, MOPT_MOLD_ALL))
-			Emit(mold, "+N", VAL_LOGIC(value) ? SYM_TRUE : SYM_FALSE);
-//		else
-//			Mold_Logic(mold, value);
+		Append_Bytes(ser, VAL_LOGIC(value) ? (molded?"#(true)":"true") : (molded?"#(false)":"false"));
 		break;
 
 	case REB_INTEGER:
@@ -1329,10 +1323,12 @@ STOID Mold_Error(REBVAL *value, REB_MOLD *mold, REBFLG molded)
 		break;
 
 	case REB_DATATYPE:
-		if (!molded)
-			Emit(mold, "N", VAL_DATATYPE(value) + 1);
-		else
-			Emit(mold, "+N", VAL_DATATYPE(value) + 1);
+		if (molded) {
+			Emit(mold, "#(D)", VAL_DATATYPE(value) + 1);
+		}
+		else {
+			Append_UTF8(ser, Get_Sym_Name(VAL_DATATYPE(value) + 1), -1);
+		}
 		break;
 
 	case REB_TYPESET:

src/mezz/mezz-help.reb

@@ -88,7 +88,7 @@ import (module [
 	]
 
 	form-type: func [value] [
-		a-an head clear back tail mold type? :value
+		a-an head clear back tail form type? :value
 	]
 
 	form-val: func [val /local limit hdr tmp] [
@@ -111,7 +111,7 @@ import (module [
 			image?        :val [ mold/part/all/flat val max-desc-width]
 			gob?          :val [ return reform ["offset:" val/offset "size:" val/size] ]
 			vector?       :val [ mold/part/all/flat val max-desc-width]
-			;none?         :val [ mold/all val]
+			any [logic? :val none? :val unset? :val] [ form val ]
 			true [:val]
 		]
 		unless string? val [val: mold/part/flat val max-desc-width]

src/tests/units/evaluation-test.r3

@@ -558,15 +558,15 @@ Rebol [
 		obj:  object [a: 3 b: 4]
 		obj2: object [z: 0 a: none b: 7]
 		--assert obj2 = set obj obj2
-		--assert "make object! [a: none b: 7]" = mold/flat obj
-		--assert "make object! [z: 0 a: none b: 7]" = mold/flat obj2
+		--assert "make object! [a: #(none) b: 7]" = mold/flat obj
+		--assert "make object! [z: 0 a: #(none) b: 7]" = mold/flat obj2
 
 	--test-- "set-11"
 		obj:  object [a: 3 b: 4]
 		obj2: object [z: 0 a: none b: 7]
 		--assert obj2 = set/some obj obj2
 		--assert "make object! [a: 3 b: 7]" = mold/flat obj
-		--assert "make object! [z: 0 a: none b: 7]" = mold/flat obj2
+		--assert "make object! [z: 0 a: #(none) b: 7]" = mold/flat obj2
 
 	--test-- "set-12"
 		o1: object [a: 1 b: 2 ]

src/tests/units/mold-test.r3

@@ -263,23 +263,23 @@ Rebol [
 
 
 ===start-group=== "mold-all"
-	
-	--test-- "mold-true" --assert "true" = mold true
+	;@@ https://github.com/Oldes/Rebol-issues/issues/2159
+	--test-- "mold-true" --assert "#(true)" = mold true
 
 	--test-- "mold-all-true" --assert "#(true)" = mold/all true
 
-	--test-- "mold-false" --assert "false" = mold false
+	--test-- "mold-false" --assert "#(false)" = mold false
 
 	--test-- "mold-all-false" --assert "#(false)" = mold/all false
 
-	--test-- "mold-none" --assert "none" = mold none
+	--test-- "mold-none" --assert "#(none)" = mold none
 
 	--test-- "mold-all-none" --assert "#(none)" = mold/all none
 
-	--test-- "mold-block" --assert "[true false none]" = mold [#(true) #(false) #(none)]
+	--test-- "mold-block" --assert "[true false none #(true) #(false) #(none)]" = mold [true false none #(true) #(false) #(none)]
 
 	--test-- "mold-all-block"
-		--assert "[#(true) #(false) #(none)]" = mold/all [#(true) #(false) #(none)]
+		--assert "[true false none #(true) #(false) #(none)]" = mold/all [true false none #(true) #(false) #(none)]
 
 	--test-- "mold/all block at tail"
 	;@@ https://github.com/Oldes/Rebol-issues/issues/1192
@@ -567,7 +567,7 @@ Rebol [
 	--test-- "mold unset!"
 		--assert "#(unset)" = mold ()
 		--assert "#(unset)" = mold/all ()
-		--assert   "unset!" = mold type? () 
+		--assert "#(unset!)" = mold type? () 
 		--assert "#(unset!)" = mold/all type? () 
 	--test-- "form unset!"
 		--assert "" = form ()
@@ -634,7 +634,7 @@ Rebol [
 ===start-group=== "mold error!"
 	--test-- "mold error!"
 	;@@ https://github.com/Oldes/Rebol-issues/issues/1003
-		--assert {make error! [code: 101 type: 'Note id: 'exited arg1: none arg2: none arg3: none near: none where: none]} = mold/flat make error! [type: 'Note id: 'exited]
+		--assert {make error! [code: 101 type: 'Note id: 'exited arg1: #(none) arg2: #(none) arg3: #(none) near: #(none) where: #(none)]} = mold/flat make error! [type: 'Note id: 'exited]
 		--assert {#(error! [code: 101 type: Note id: exited arg1: #(none) arg2: #(none) arg3: #(none) near: #(none) where: #(none)])} = mold/all/flat make error! [type: 'Note id: 'exited]
 		--assert {#(error! [code: 401 type: Math id: overflow arg1: #(none) arg2: #(none) arg3: #(none) near: #(none) where: #(none)])} = mold/all/flat make error! [type: 'Math id: 'overflow]
 ===end-group===