diff kernel.rhope @ 49:3e20ed8959c4

Added initial FFI implementation, Array type and 64-bit integers
author Mike Pavone <pavone@retrodev.com>
date Thu, 08 Apr 2010 01:02:18 -0400
parents a24eb366195c
children 689fb73e7612
line wrap: on
line diff
--- a/kernel.rhope	Tue Mar 02 00:18:49 2010 -0500
+++ b/kernel.rhope	Thu Apr 08 01:02:18 2010 -0400
@@ -1,9 +1,30 @@
+
+Val[in:out]
+{
+	out <- in
+}
 
 Blueprint Boolean
 {
 	Val(Int32,Naked)
 }
 
+/*
+Blueprint Blueprint
+{
+	Val(Blueprint,Naked)
+}*/
+
+Blueprint Int64
+{
+	Num(Int64,Naked)
+}
+
+If@Int64[num:yes,no]
+{
+	yes,no <- If[[num]!=[0]]
+}
+
 Blueprint Int32
 {
 	Num(Int32,Naked)
@@ -11,7 +32,7 @@
 
 If@Int32[num:yes,no]
 {
-	yes,no <- If[[num]=[0]]
+	yes,no <- If[[num]!=[0]]
 }
 
 Blueprint Int16
@@ -21,7 +42,7 @@
 
 If@Int16[num:yes,no]
 {
-	yes,no <- If[[num]=[0]]
+	yes,no <- If[[num]!=[0]]
 }
 
 Blueprint Int8
@@ -31,7 +52,17 @@
 
 If@Int8[num:yes,no]
 {
-	yes,no <- If[[num]=[0]]
+	yes,no <- If[[num]!=[0]]
+}
+
+Blueprint UInt64
+{
+	Num(UInt64,Naked)
+}
+
+If@UInt64[num:yes,no]
+{
+	yes,no <- If[[num]!=[0]]
 }
 
 Blueprint UInt32
@@ -41,7 +72,7 @@
 
 If@UInt32[num:yes,no]
 {
-	yes,no <- If[[num]=[0]]
+	yes,no <- If[[num]!=[0]]
 }
 
 Blueprint UInt16
@@ -51,7 +82,7 @@
 
 If@UInt16[num:yes,no]
 {
-	yes,no <- If[[num]=[0]]
+	yes,no <- If[[num]!=[0]]
 }
 
 Blueprint UInt8
@@ -61,7 +92,171 @@
 
 If@UInt8[num:yes,no]
 {
-	yes,no <- If[[num]=[0]]
+	yes,no <- If[[num]!=[0]]
 }
 
 
+Blueprint Array
+{
+	Eltype(Blueprint)
+	Length(Int32,Naked)
+	Storage(Int32,Naked)
+}
+
+Foreign C:runtime
+{
+	_internal_array_copyout[array(Array), index(Int32,Naked), dest(Any Type,Boxed,Mutable):dest]
+	_internal_array_copyin[array(Array,Boxed,Mutable), index(Int32,Naked), val:array]
+	_internal_array_getboxed[array(Array), index(Int32,Naked):out]
+	_internal_array_setboxed[array(Array,Boxed,Mutable), index(Int32,Naked), val:array]
+	_internal_array_allocboxed[size(Int32,Naked):out(Array)]
+	_internal_array_allocnaked[size(Int32,Naked),type(Blueprint):out(Array)]
+	_internal_blueprint_eq[left(Blueprint),right(Blueprint):out(Int32,Naked)]
+}
+
+=@Blueprint[left,right:out]
+{
+	out <- [_internal_blueprint_eq[left,right]]!=[0]
+}
+
+Array[n:out(Array)]
+{
+	out <- [[_internal_array_allocboxed[0]
+	]Length <<[0]
+	]Storage <<[0]
+}
+
+First@Array[array:out(Int32),empty]
+{
+	,empty <- If[[array]Length >>]
+	{ out <- 0 }
+}
+
+Next@Array[array,current:out(Int32),empty]
+{
+	next <- [current]+[1]
+	,empty <- If[[next] < [[array]Length >>]]
+	{
+		out <- Val[next]
+	}
+}
+
+Last@Array[array:out(Int32),empty]
+{
+	,empty <- If[[array]Length >>]
+	{ out <-  [[array]Length >>] - [1] }
+}
+
+Append@Array[array,newval:out(Array)]
+{
+	out <- [array]Set[[array]Length >>, newval]
+}
+
+Index@Array[array,index(Int32):out,notfound]
+{
+	,notfound <- If[[index] >= [0]]
+	{
+		,notfound <- If[[index] < [[array]Length >>]]
+		{
+			eltype <- [array]Eltype >>
+			If[[eltype] = [Any Type()]]
+			{
+				out <- _internal_array_getboxed[array, index]
+			}{
+				out <- _internal_array_copyout[array, index, Build[eltype]]
+			}
+		}
+	}	
+}
+
+_Copy to Boxed[source,dest,current:out]
+{
+	ndest <- _internal_array_setboxed[dest, current, [source]Index[current]]
+	
+	[source]Next[current]
+	{
+		out <- _Copy to Boxed[source, ndest, ~]
+	}{
+		out <- Val[ndest]
+	}
+}
+
+_Copy Naked[source,dest,current:out]
+{
+	ndest <- _internal_array_copyin[dest, current, [source]Index[current]]
+	
+	[source]Next[current]
+	{
+		out <- _Copy Naked[source, ndest, ~]
+	}{
+		out <- Val[ndest]
+	}
+}
+
+Set@Array[array,index(Int32),val:out(Array)]
+{
+	If[[index] < [[array]Storage >>]]
+	{
+		If[[index] > [[array]Length >>]]
+		{
+			farray <- [[array]Set[[index]-[1], val]]Length <<[ [index]+[1] ]
+		}{
+			If[[index] = [[array]Length >>]]
+			{
+				farray <- [array]Length <<[ [index]+[1] ]
+			}{
+				farray <- Val[array]
+			}
+		}
+		eltype <- [array]Eltype >>
+		If[[eltype] = [Any Type()]]
+		{
+			out <- _internal_array_setboxed[farray, index, val]
+		}{
+			If[[Blueprint Of[val]] = [eltype]]
+			{
+				out <- _internal_array_copyin[farray, index, val]
+			}{
+				boxed <- _internal_array_allocboxed[[farray]Storage >>]
+				[array]First
+				{
+					copied <- _Copy to Boxed[farray, boxed, ~]
+				}{
+					//I don't think this case should happen normally
+					copied <- Val[boxed]
+				}
+				out <- _internal_array_setboxed[copied, index, val]
+			}
+		}
+	}{
+		If[[array]Length >>]
+		{
+			If[[index] < [4]]
+			{
+				new storage <- [index]+[index]
+			}{
+				new storage <- [index]+[[index]RShift[1]]
+			}
+			 
+			do boxed <- If[[[array]Eltype >>] = [Any Type()]]
+			{
+				copied <- _Copy to Boxed[array, _internal_array_allocboxed[new storage], 0]
+			}{	
+				bp <- Blueprint Of[val]
+				If[[[array]Eltype >>] = [bp]]
+				{
+					copied <- _Copy Naked[array, _internal_array_allocnaked[new storage, bp], 0]
+				}{
+					copied <- _Copy to Boxed[array, _internal_array_allocboxed[new storage], 0]
+				}
+			}
+			out <- [[copied]Length <<[[array]Length >>]]Set[index,val]
+		}{
+			len <- [index]+[1]
+			out <- [_internal_array_allocnaked[len, Blueprint Of[val]]
+			]Set[index,val]
+		}
+	}
+}
+
+