Slice operations now load the data pointer

generator/function_test.go

@@ -10,18 +10,18 @@ testString (test,
 [puts string: *Byte]: Index
 [write file:I32 buffer:*Byte count:Index]: Index
 
-[firstByte str:String]: *Byte = [@[.str 0]]
-
-[print string: String] = loop {
-	if [< [#string] 1] then {break}
-	byte: Byte = [. string 0]
-	[write 1 [@byte] 1]
-	string = [\string 1:]
+[printDigit digit:Byte] = {
+	digit = [+ digit '0']
+	[write 1 [@digit] 1]
 }
 
 [main] = {
-	str:String = 'xx'
-	[print str]
+	[puts 'printing']
+	[printDigit 0]
+	[printDigit 1]
+	[printDigit 2]
+	[printDigit 3]
+	[puts '\nprinted']
 }
 `)
 }
@@ -89,3 +89,19 @@ testString (test,
 // 	[puts first]
 // }
 
+// [puts string: *Byte]: Index
+// [write file:I32 buffer:*Byte count:Index]: Index
+// 
+// [firstByte str:String]: *Byte = [@[.str 0]]
+// 
+// [print string: String] = loop {
+// 	if [< [#string] 1] then {break}
+// 	byte: Byte = [. string 0]
+// 	[write 1 [@byte] 1]
+// 	string = [\string 1:]
+// }
+// 
+// [main] = {
+// 	str:String = 'xx'
+// 	[print str]
+// }

generator/location-expression.go

@@ -37,11 +37,14 @@ func (this *generator) generateSliceLoc (slice *entity.Slice) (llvm.Value, error
 		if err != nil { return nil, err }
 		elementType, err = this.generateType(sourceType.Element)
 		if err != nil { return nil, err }
-		dataAddress = this.blockManager.NewGetElementPtr (
+		dataAddressFieldAddress := this.blockManager.NewGetElementPtr (
 			irSourceType,
 			source,
 			llvm.NewConstInt(llvm.I32, 0),
 			llvm.NewConstInt(llvm.I32, 0))
+		dataAddress = this.blockManager.NewLoad (
+			new(llvm.TypePointer),
+			dataAddressFieldAddress)
 		lengthAddress := this.blockManager.NewGetElementPtr (
 			irSourceType,
 			source,
@@ -116,11 +119,14 @@ func (this *generator) generateSubscriptLoc (subscript *entity.Subscript) (llvm.
 		
 		// get slice element
 		elementType = sourceType.Element
-		dataAddress = this.blockManager.NewGetElementPtr (
+		dataAddressFieldAddress := this.blockManager.NewGetElementPtr (
 			irSourceType,
 			source,
 			llvm.NewConstInt(llvm.I32, 0),
 			llvm.NewConstInt(llvm.I32, 0))
+		dataAddress = this.blockManager.NewLoad (
+			new(llvm.TypePointer),
+			dataAddressFieldAddress)
 		
 	case *entity.TypeArray:
 		elementType = sourceType.Element