hclwrite: Rename Body.AppendBlock to AppendNewBlock

Since this function implicitly creates a new body, this name is more
appropriate and leaves the name "AppendBlock" open for a later method to
append an _existing_ block, such as when moving a block from one file
to another.

hclwrite/ast_body.go

@@ -85,26 +85,23 @@ func (b *Body) SetAttributeTraversal(name string, traversal hcl.Traversal) *Attr
 	panic("Body.SetAttributeTraversal not yet implemented")
 }
 
-// AppendBlock appends a new nested block to the end of the receiving body.
-//
-// If blankLine is set, an additional empty line is added before the block
-// for separation. Usual HCL style suggests that we group together blocks of
-// the same type without intervening blank lines and then put blank lines
-// between blocks of different types. In some languages, some different block
-// types may be conceptually related and so may still be grouped together.
-// It is the caller's responsibility to respect the usual conventions of the
-// language being generated.
-func (b *Body) AppendBlock(typeName string, labels []string, blankLine bool) *Block {
+// AppendNewBlock appends a new nested block to the end of the receiving body
+// with the given type name and labels.
+func (b *Body) AppendNewBlock(typeName string, labels []string) *Block {
 	block := newBlock()
 	block.init(typeName, labels)
-	if blankLine {
-		b.AppendUnstructuredTokens(Tokens{
-			{
-				Type:  hclsyntax.TokenNewline,
-				Bytes: []byte{'\n'},
-			},
-		})
-	}
 	b.appendItem(block)
 	return block
 }
+
+// AppendNewline appends a newline token to th end of the receiving body,
+// which generally serves as a separator between different sets of body
+// contents.
+func (b *Body) AppendNewline() {
+	b.AppendUnstructuredTokens(Tokens{
+		{
+			Type:  hclsyntax.TokenNewline,
+			Bytes: []byte{'\n'},
+		},
+	})
+}

hclwrite/ast_body_test.go

@@ -419,14 +419,12 @@ func TestBodyAppendBlock(t *testing.T) {
 		src       string
 		blockType string
 		labels    []string
-		blank     bool
 		want      Tokens
 	}{
 		{
 			"",
 			"foo",
 			nil,
-			false,
 			Tokens{
 				{
 					Type:         hclsyntax.TokenIdent,
@@ -464,7 +462,6 @@ func TestBodyAppendBlock(t *testing.T) {
 			"",
 			"foo",
 			[]string{"bar"},
-			false,
 			Tokens{
 				{
 					Type:         hclsyntax.TokenIdent,
@@ -517,7 +514,6 @@ func TestBodyAppendBlock(t *testing.T) {
 			"",
 			"foo",
 			[]string{"bar", "baz"},
-			false,
 			Tokens{
 				{
 					Type:         hclsyntax.TokenIdent,
@@ -585,7 +581,6 @@ func TestBodyAppendBlock(t *testing.T) {
 			"bar {}\n",
 			"foo",
 			nil,
-			false,
 			Tokens{
 				{
 					Type:         hclsyntax.TokenIdent,
@@ -639,69 +634,6 @@ func TestBodyAppendBlock(t *testing.T) {
 				},
 			},
 		},
-		{
-			"bar_blank_after {}\n",
-			"foo",
-			nil,
-			true,
-			Tokens{
-				{
-					Type:         hclsyntax.TokenIdent,
-					Bytes:        []byte(`bar_blank_after`),
-					SpacesBefore: 0,
-				},
-				{
-					Type:         hclsyntax.TokenOBrace,
-					Bytes:        []byte{'{'},
-					SpacesBefore: 1,
-				},
-				{
-					Type:         hclsyntax.TokenCBrace,
-					Bytes:        []byte{'}'},
-					SpacesBefore: 0,
-				},
-				{
-					Type:         hclsyntax.TokenNewline,
-					Bytes:        []byte{'\n'},
-					SpacesBefore: 0,
-				},
-				{
-					Type:         hclsyntax.TokenNewline,
-					Bytes:        []byte{'\n'},
-					SpacesBefore: 0,
-				},
-				{
-					Type:         hclsyntax.TokenIdent,
-					Bytes:        []byte(`foo`),
-					SpacesBefore: 0,
-				},
-				{
-					Type:         hclsyntax.TokenOBrace,
-					Bytes:        []byte{'{'},
-					SpacesBefore: 1,
-				},
-				{
-					Type:         hclsyntax.TokenNewline,
-					Bytes:        []byte{'\n'},
-					SpacesBefore: 0,
-				},
-				{
-					Type:         hclsyntax.TokenCBrace,
-					Bytes:        []byte{'}'},
-					SpacesBefore: 0,
-				},
-				{
-					Type:         hclsyntax.TokenNewline,
-					Bytes:        []byte{'\n'},
-					SpacesBefore: 0,
-				},
-				{
-					Type:         hclsyntax.TokenEOF,
-					Bytes:        []byte{},
-					SpacesBefore: 0,
-				},
-			},
-		},
 	}
 
 	for _, test := range tests {
@@ -714,7 +646,7 @@ func TestBodyAppendBlock(t *testing.T) {
 				t.Fatalf("unexpected diagnostics")
 			}
 
-			f.Body().AppendBlock(test.blockType, test.labels, test.blank)
+			f.Body().AppendNewBlock(test.blockType, test.labels)
 			got := f.BuildTokens(nil)
 			format(got)
 			if !reflect.DeepEqual(got, test.want) {