From 39aa4ecd84735ed067a10a7aad80629b74a92321 Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Thu, 9 Feb 2017 23:26:52 +0100
Subject: DIRECTOR: Lingo: Documented D4 "Variables" Lingo

This completes the Director 4.0 grammar. Woo hoo!
---
 engines/director/lingo/lingo-builtins.cpp | 21 +++++++++++++++++++--
 engines/director/lingo/lingo.h            |  2 ++
 2 files changed, 21 insertions(+), 2 deletions(-)

(limited to 'engines')

diff --git a/engines/director/lingo/lingo-builtins.cpp b/engines/director/lingo/lingo-builtins.cpp
index 5b17c0c206..98a4399e4e 100644
--- a/engines/director/lingo/lingo-builtins.cpp
+++ b/engines/director/lingo/lingo-builtins.cpp
@@ -125,9 +125,11 @@ static struct BuiltinProto {
 	{ "pictureP",		Lingo::b_pictureP,		1, 1, true },	//			D4 f
 	{ "stringp",		Lingo::b_stringp,		1, 1, true },	// D2 f
 	{ "symbolp",		Lingo::b_symbolp,		1, 1, true },	// D2 f
+	{ "voidP",			Lingo::b_voidP,			1, 1, true },	//			D4 f
 	// Misc
 	{ "alert",	 		Lingo::b_alert,			1, 1, false },	// D2 c
 	{ "birth",	 		Lingo::b_birth,			-1,0, false },	//			D4 f
+	{ "clearGlobals",	Lingo::b_clearGlobals,	0, 0, false },	//			D4 c
 	{ "cursor",	 		Lingo::b_cursor,		1, 1, false },	// D2 c
 	{ "framesToHMS",	Lingo::b_framesToHMS,	4, 4, false },	//		D3 f
 	{ "HMStoFrames",	Lingo::b_HMStoFrames,	4, 4, false },	//		D3 f
@@ -135,8 +137,8 @@ static struct BuiltinProto {
 	{ "printFrom",	 	Lingo::b_printFrom,		-1,0, false },	// D2 c
 		// put													// D2
 		// set													// D2
-	{ "showGlobals",	Lingo::b_showGlobals,	0, 0, false },	// D2
-	{ "showLocals",		Lingo::b_showLocals,	0, 0, false },	// D2
+	{ "showGlobals",	Lingo::b_showGlobals,	0, 0, false },	// D2 c
+	{ "showLocals",		Lingo::b_showLocals,	0, 0, false },	// D2 c
 	// Score
 	{ "constrainH",		Lingo::b_constrainH,	2, 2, true },	// D2 f
 	{ "constrainV",		Lingo::b_constrainV,	2, 2, true },	// D2 f
@@ -288,6 +290,7 @@ static const char *builtinFunctions[] = {
 	"true",
 	"value",
 	"version",
+	"voidP",
 	"window",
 	"xFactoryList",
 	0
@@ -1005,6 +1008,14 @@ void Lingo::b_symbolp(int nargs) {
 	g_lingo->push(d);
 }
 
+void Lingo::b_voidP(int nargs) {
+	Datum d = g_lingo->pop();
+	int res = (d.type == VOID) ? 1 : 0;
+	d.toInt();
+	d.u.i = res;
+	g_lingo->push(d);
+}
+
 
 ///////////////////
 // Misc
@@ -1027,6 +1038,12 @@ void Lingo::b_birth(int nargs) {
 	g_lingo->push(Datum(0));
 }
 
+void Lingo::b_clearGlobals(int nargs) {
+	g_lingo->printSTUBWithArglist("b_clearGlobals", nargs);
+
+	g_lingo->dropStack(nargs);
+}
+
 void Lingo::b_cursor(int nargs) {
 	Datum d = g_lingo->pop();
 	d.toInt();
diff --git a/engines/director/lingo/lingo.h b/engines/director/lingo/lingo.h
index b15691acc7..550156c1c7 100644
--- a/engines/director/lingo/lingo.h
+++ b/engines/director/lingo/lingo.h
@@ -376,9 +376,11 @@ public:
 	static void b_pictureP(int nargs);
 	static void b_stringp(int nargs);
 	static void b_symbolp(int nargs);
+	static void b_voidP(int nargs);
 
 	static void b_alert(int nargs);
 	static void b_birth(int nargs);
+	static void b_clearGlobals(int nargs);
 	static void b_cursor(int nargs);
 	static void b_framesToHMS(int nargs);
 	static void b_HMStoFrames(int nargs);
-- 
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