tools: intrinsic-gen - [[decoration]] -> @attribute
More closely resembles WGSL.
Change-Id: Ia1b93bb443b4e3bf9329f8026d1924f12648cb7b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92245
Commit-Queue: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
diff --git a/tools/src/cmd/intrinsic-gen/ast/ast.go b/tools/src/cmd/intrinsic-gen/ast/ast.go
index 75b74c7..55e7cc0 100644
--- a/tools/src/cmd/intrinsic-gen/ast/ast.go
+++ b/tools/src/cmd/intrinsic-gen/ast/ast.go
@@ -85,15 +85,15 @@
// EnumEntry describes an entry in a enumerator
type EnumEntry struct {
- Source tok.Source
- Name string
- Decorations Decorations
+ Source tok.Source
+ Name string
+ Attributes Attributes
}
// Format implements the fmt.Formatter interface
func (e EnumEntry) Format(w fmt.State, verb rune) {
- if len(e.Decorations) > 0 {
- fmt.Fprintf(w, "%v %v", e.Decorations, e.Name)
+ if len(e.Attributes) > 0 {
+ fmt.Fprintf(w, "%v %v", e.Attributes, e.Name)
} else {
fmt.Fprint(w, e.Name)
}
@@ -136,7 +136,7 @@
Source tok.Source
Kind IntrinsicKind
Name string
- Decorations Decorations
+ Attributes Attributes
TemplateParams TemplateParams
Parameters Parameters
ReturnType *TemplatedName
@@ -243,15 +243,15 @@
// TypeDecl describes a type declaration
type TypeDecl struct {
Source tok.Source
- Decorations Decorations
+ Attributes Attributes
Name string
TemplateParams TemplateParams
}
// Format implements the fmt.Formatter interface
func (p TypeDecl) Format(w fmt.State, verb rune) {
- if len(p.Decorations) > 0 {
- p.Decorations.Format(w, verb)
+ if len(p.Attributes) > 0 {
+ p.Attributes.Format(w, verb)
fmt.Fprintf(w, " type %v", p.Name)
}
fmt.Fprintf(w, "type %v", p.Name)
@@ -296,13 +296,13 @@
}
}
-// Decorations is a list of Decoration
+// Attributes is a list of Attribute
// Example:
// [[a(x), b(y)]]
-type Decorations []Decoration
+type Attributes []Attribute
// Format implements the fmt.Formatter interface
-func (l Decorations) Format(w fmt.State, verb rune) {
+func (l Attributes) Format(w fmt.State, verb rune) {
fmt.Fprint(w, "[[")
for i, d := range l {
if i > 0 {
@@ -313,30 +313,30 @@
fmt.Fprint(w, "]]")
}
-// Take looks up the decoration with the given name. If the decoration is found
-// it is removed from the Decorations list and returned, otherwise nil is
-// returned and the Decorations are not altered.
-func (l *Decorations) Take(name string) *Decoration {
- for i, d := range *l {
- if d.Name == name {
+// Take looks up the attribute with the given name. If the attribute is found
+// it is removed from the Attributes list and returned, otherwise nil is
+// returned and the Attributes are not altered.
+func (l *Attributes) Take(name string) *Attribute {
+ for i, a := range *l {
+ if a.Name == name {
*l = append((*l)[:i], (*l)[i+1:]...)
- return &d
+ return &a
}
}
return nil
}
-// Decoration describes a single decoration
+// Attribute describes a single attribute
// Example:
-// a(x)
-type Decoration struct {
+// @a(x)
+type Attribute struct {
Source tok.Source
Name string
Values []string
}
// Format implements the fmt.Formatter interface
-func (d Decoration) Format(w fmt.State, verb rune) {
+func (d Attribute) Format(w fmt.State, verb rune) {
fmt.Fprintf(w, "%v", d.Name)
if len(d.Values) > 0 {
fmt.Fprintf(w, "(")
diff --git a/tools/src/cmd/intrinsic-gen/lexer/lexer.go b/tools/src/cmd/intrinsic-gen/lexer/lexer.go
index a81875e..d8a486a 100644
--- a/tools/src/cmd/intrinsic-gen/lexer/lexer.go
+++ b/tools/src/cmd/intrinsic-gen/lexer/lexer.go
@@ -52,6 +52,8 @@
l.next()
case '\n':
l.next()
+ case '@':
+ l.tok(1, tok.Attr)
case '(':
l.tok(1, tok.Lparen)
case ')':
@@ -89,8 +91,6 @@
l.skip(l.count(toFirst('\n')))
l.next() // Consume newline
case l.match("/", tok.Divide):
- case l.match("[[", tok.Ldeco):
- case l.match("]]", tok.Rdeco):
case l.match("->", tok.Arrow):
case l.match("-", tok.Minus):
case l.match("fn", tok.Function):
diff --git a/tools/src/cmd/intrinsic-gen/lexer/lexer_test.go b/tools/src/cmd/intrinsic-gen/lexer/lexer_test.go
index f17eb23..21d5787 100644
--- a/tools/src/cmd/intrinsic-gen/lexer/lexer_test.go
+++ b/tools/src/cmd/intrinsic-gen/lexer/lexer_test.go
@@ -127,11 +127,8 @@
{">", tok.Token{Kind: tok.Gt, Runes: []rune(">"), Source: tok.Source{
S: loc(1, 1, 0), E: loc(1, 2, 1),
}}},
- {"[[", tok.Token{Kind: tok.Ldeco, Runes: []rune("[["), Source: tok.Source{
- S: loc(1, 1, 0), E: loc(1, 3, 2),
- }}},
- {"]]", tok.Token{Kind: tok.Rdeco, Runes: []rune("]]"), Source: tok.Source{
- S: loc(1, 1, 0), E: loc(1, 3, 2),
+ {"@", tok.Token{Kind: tok.Attr, Runes: []rune("@"), Source: tok.Source{
+ S: loc(1, 1, 0), E: loc(1, 2, 1),
}}},
{"(", tok.Token{Kind: tok.Lparen, Runes: []rune("("), Source: tok.Source{
S: loc(1, 1, 0), E: loc(1, 2, 1),
diff --git a/tools/src/cmd/intrinsic-gen/parser/parser.go b/tools/src/cmd/intrinsic-gen/parser/parser.go
index f381b3a..b1a87f1 100644
--- a/tools/src/cmd/intrinsic-gen/parser/parser.go
+++ b/tools/src/cmd/intrinsic-gen/parser/parser.go
@@ -43,40 +43,40 @@
func (p *parser) parse() (*ast.AST, error) {
out := ast.AST{}
- var decorations ast.Decorations
+ var attributes ast.Attributes
for p.err == nil {
t := p.peek(0)
if t == nil {
break
}
switch t.Kind {
- case tok.Ldeco:
- decorations = append(decorations, p.decorations()...)
+ case tok.Attr:
+ attributes = append(attributes, p.attributes()...)
case tok.Enum:
- if len(decorations) > 0 {
- p.err = fmt.Errorf("%v unexpected decoration", decorations[0].Source)
+ if len(attributes) > 0 {
+ p.err = fmt.Errorf("%v unexpected attribute", attributes[0].Source)
}
out.Enums = append(out.Enums, p.enumDecl())
case tok.Match:
- if len(decorations) > 0 {
- p.err = fmt.Errorf("%v unexpected decoration", decorations[0].Source)
+ if len(attributes) > 0 {
+ p.err = fmt.Errorf("%v unexpected attribute", attributes[0].Source)
}
out.Matchers = append(out.Matchers, p.matcherDecl())
case tok.Type:
- out.Types = append(out.Types, p.typeDecl(decorations))
- decorations = nil
+ out.Types = append(out.Types, p.typeDecl(attributes))
+ attributes = nil
case tok.Function:
- out.Builtins = append(out.Builtins, p.builtinDecl(decorations))
- decorations = nil
+ out.Builtins = append(out.Builtins, p.builtinDecl(attributes))
+ attributes = nil
case tok.Operator:
- out.Operators = append(out.Operators, p.operatorDecl(decorations))
- decorations = nil
+ out.Operators = append(out.Operators, p.operatorDecl(attributes))
+ attributes = nil
case tok.Constructor:
- out.Constructors = append(out.Constructors, p.constructorDecl(decorations))
- decorations = nil
+ out.Constructors = append(out.Constructors, p.constructorDecl(attributes))
+ attributes = nil
case tok.Converter:
- out.Converters = append(out.Converters, p.converterDecl(decorations))
- decorations = nil
+ out.Converters = append(out.Converters, p.converterDecl(attributes))
+ attributes = nil
default:
p.err = fmt.Errorf("%v unexpected token '%v'", t.Source, t.Kind)
}
@@ -99,9 +99,9 @@
}
func (p *parser) enumEntry() ast.EnumEntry {
- decos := p.decorations()
+ decos := p.attributes()
name := p.expect(tok.Identifier, "enum entry")
- return ast.EnumEntry{Source: name.Source, Decorations: decos, Name: string(name.Runes)}
+ return ast.EnumEntry{Source: name.Source, Attributes: decos, Name: string(name.Runes)}
}
func (p *parser) matcherDecl() ast.MatcherDecl {
@@ -118,13 +118,13 @@
return m
}
-func (p *parser) typeDecl(decos ast.Decorations) ast.TypeDecl {
+func (p *parser) typeDecl(decos ast.Attributes) ast.TypeDecl {
p.expect(tok.Type, "type declaration")
name := p.expect(tok.Identifier, "type name")
m := ast.TypeDecl{
- Source: name.Source,
- Decorations: decos,
- Name: string(name.Runes),
+ Source: name.Source,
+ Attributes: decos,
+ Name: string(name.Runes),
}
if p.peekIs(0, tok.Lt) {
m.TemplateParams = p.templateParams()
@@ -132,13 +132,10 @@
return m
}
-func (p *parser) decorations() ast.Decorations {
- if p.match(tok.Ldeco) == nil {
- return nil
- }
- out := ast.Decorations{}
- for p.err == nil {
- name := p.expect(tok.Identifier, "decoration name")
+func (p *parser) attributes() ast.Attributes {
+ var out ast.Attributes
+ for p.match(tok.Attr) != nil && p.err == nil {
+ name := p.expect(tok.Identifier, "attribute name")
values := []string{}
if p.match(tok.Lparen) != nil {
for p.err == nil {
@@ -147,29 +144,25 @@
break
}
}
- p.expect(tok.Rparen, "decoration values")
+ p.expect(tok.Rparen, "attribute values")
}
- out = append(out, ast.Decoration{
+ out = append(out, ast.Attribute{
Source: name.Source,
Name: string(name.Runes),
Values: values,
})
- if p.match(tok.Comma) == nil {
- break
- }
}
- p.expect(tok.Rdeco, "decoration list")
return out
}
-func (p *parser) builtinDecl(decos ast.Decorations) ast.IntrinsicDecl {
+func (p *parser) builtinDecl(decos ast.Attributes) ast.IntrinsicDecl {
p.expect(tok.Function, "function declaration")
name := p.expect(tok.Identifier, "function name")
f := ast.IntrinsicDecl{
- Source: name.Source,
- Kind: ast.Builtin,
- Decorations: decos,
- Name: string(name.Runes),
+ Source: name.Source,
+ Kind: ast.Builtin,
+ Attributes: decos,
+ Name: string(name.Runes),
}
if p.peekIs(0, tok.Lt) {
f.TemplateParams = p.templateParams()
@@ -182,14 +175,14 @@
return f
}
-func (p *parser) operatorDecl(decos ast.Decorations) ast.IntrinsicDecl {
+func (p *parser) operatorDecl(decos ast.Attributes) ast.IntrinsicDecl {
p.expect(tok.Operator, "operator declaration")
name := p.next()
f := ast.IntrinsicDecl{
- Source: name.Source,
- Kind: ast.Operator,
- Decorations: decos,
- Name: string(name.Runes),
+ Source: name.Source,
+ Kind: ast.Operator,
+ Attributes: decos,
+ Name: string(name.Runes),
}
if p.peekIs(0, tok.Lt) {
f.TemplateParams = p.templateParams()
@@ -202,14 +195,14 @@
return f
}
-func (p *parser) constructorDecl(decos ast.Decorations) ast.IntrinsicDecl {
+func (p *parser) constructorDecl(decos ast.Attributes) ast.IntrinsicDecl {
p.expect(tok.Constructor, "constructor declaration")
name := p.next()
f := ast.IntrinsicDecl{
- Source: name.Source,
- Kind: ast.Constructor,
- Decorations: decos,
- Name: string(name.Runes),
+ Source: name.Source,
+ Kind: ast.Constructor,
+ Attributes: decos,
+ Name: string(name.Runes),
}
if p.peekIs(0, tok.Lt) {
f.TemplateParams = p.templateParams()
@@ -222,14 +215,14 @@
return f
}
-func (p *parser) converterDecl(decos ast.Decorations) ast.IntrinsicDecl {
+func (p *parser) converterDecl(decos ast.Attributes) ast.IntrinsicDecl {
p.expect(tok.Converter, "converter declaration")
name := p.next()
f := ast.IntrinsicDecl{
- Source: name.Source,
- Kind: ast.Converter,
- Decorations: decos,
- Name: string(name.Runes),
+ Source: name.Source,
+ Kind: ast.Converter,
+ Attributes: decos,
+ Name: string(name.Runes),
}
if p.peekIs(0, tok.Lt) {
f.TemplateParams = p.templateParams()
diff --git a/tools/src/cmd/intrinsic-gen/parser/parser_test.go b/tools/src/cmd/intrinsic-gen/parser/parser_test.go
index 0dea9b3..405aad2 100644
--- a/tools/src/cmd/intrinsic-gen/parser/parser_test.go
+++ b/tools/src/cmd/intrinsic-gen/parser/parser_test.go
@@ -43,15 +43,15 @@
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- "enum E { A [[deco]] B C }",
+ "enum E { A @attr B C }",
ast.AST{
Enums: []ast.EnumDecl{{
Name: "E",
Entries: []ast.EnumEntry{
{Name: "A"},
{
- Decorations: ast.Decorations{{
- Name: "deco",
+ Attributes: ast.Attributes{{
+ Name: "attr",
Values: []string{},
}},
Name: "B",
@@ -81,43 +81,43 @@
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- "[[deco]] type T",
+ "@attr type T",
ast.AST{
Types: []ast.TypeDecl{{
- Decorations: ast.Decorations{
- {Name: "deco", Values: []string{}},
+ Attributes: ast.Attributes{
+ {Name: "attr", Values: []string{}},
},
Name: "T",
}},
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- "[[deco_a, deco_b]] type T",
+ "@attr_a @attr_b type T",
ast.AST{
Types: []ast.TypeDecl{{
- Decorations: ast.Decorations{
- {Name: "deco_a", Values: []string{}},
- {Name: "deco_b", Values: []string{}},
+ Attributes: ast.Attributes{
+ {Name: "attr_a", Values: []string{}},
+ {Name: "attr_b", Values: []string{}},
},
Name: "T",
}},
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- `[[deco("a", "b")]] type T`, ast.AST{
+ `@attr("a", "b") type T`, ast.AST{
Types: []ast.TypeDecl{{
- Decorations: ast.Decorations{
- {Name: "deco", Values: []string{"a", "b"}},
+ Attributes: ast.Attributes{
+ {Name: "attr", Values: []string{"a", "b"}},
},
Name: "T",
}},
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- `[[deco(1, "x")]] type T`, ast.AST{
+ `@attr(1, "x") type T`, ast.AST{
Types: []ast.TypeDecl{{
- Decorations: ast.Decorations{
- {Name: "deco", Values: []string{"1", "x"}},
+ Attributes: ast.Attributes{
+ {Name: "attr", Values: []string{"1", "x"}},
},
Name: "T",
}},
@@ -157,13 +157,13 @@
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- "[[deco]] fn F()",
+ "@attr fn F()",
ast.AST{
Builtins: []ast.IntrinsicDecl{{
Kind: ast.Builtin,
Name: "F",
- Decorations: ast.Decorations{
- {Name: "deco", Values: []string{}},
+ Attributes: ast.Attributes{
+ {Name: "attr", Values: []string{}},
},
Parameters: ast.Parameters{},
}},
@@ -281,13 +281,13 @@
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- "[[deco]] op F()",
+ "@attr op F()",
ast.AST{
Operators: []ast.IntrinsicDecl{{
Kind: ast.Operator,
Name: "F",
- Decorations: ast.Decorations{
- {Name: "deco", Values: []string{}},
+ Attributes: ast.Attributes{
+ {Name: "attr", Values: []string{}},
},
Parameters: ast.Parameters{},
}},
@@ -405,13 +405,13 @@
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- "[[deco]] ctor F()",
+ "@attr ctor F()",
ast.AST{
Constructors: []ast.IntrinsicDecl{{
Kind: ast.Constructor,
Name: "F",
- Decorations: ast.Decorations{
- {Name: "deco", Values: []string{}},
+ Attributes: ast.Attributes{
+ {Name: "attr", Values: []string{}},
},
Parameters: ast.Parameters{},
}},
@@ -529,13 +529,13 @@
},
}, { ///////////////////////////////////////////////////////////////////
utils.ThisLine(),
- "[[deco]] conv F()",
+ "@attr conv F()",
ast.AST{
Converters: []ast.IntrinsicDecl{{
Kind: ast.Converter,
Name: "F",
- Decorations: ast.Decorations{
- {Name: "deco", Values: []string{}},
+ Attributes: ast.Attributes{
+ {Name: "attr", Values: []string{}},
},
Parameters: ast.Parameters{},
}},
@@ -672,16 +672,16 @@
"test.txt:1:1 unexpected token 'integer'",
},
{
- "[[123]]",
- "test.txt:1:3 expected 'ident' for decoration name, got 'integer'",
- },
- {
- "[[abc",
- "expected ']]' for decoration list, but reached end of file",
+ "@123",
+ "test.txt:1:2 expected 'ident' for attribute name, got 'integer'",
},
} {
got, err := parser.Parse(test.src, "test.txt")
- if gotErr := err.Error(); test.expect != gotErr {
+ gotErr := ""
+ if err != nil {
+ gotErr = err.Error()
+ }
+ if test.expect != gotErr {
t.Errorf(`Parse() returned error "%+v", expected error "%+v"`, gotErr, test.expect)
}
if got != nil {
diff --git a/tools/src/cmd/intrinsic-gen/resolver/resolve.go b/tools/src/cmd/intrinsic-gen/resolver/resolve.go
index 4972a3d..f3894d4 100644
--- a/tools/src/cmd/intrinsic-gen/resolver/resolve.go
+++ b/tools/src/cmd/intrinsic-gen/resolver/resolve.go
@@ -130,14 +130,14 @@
Name: ast.Name,
Enum: s,
}
- if internal := ast.Decorations.Take("internal"); internal != nil {
+ if internal := ast.Attributes.Take("internal"); internal != nil {
entry.IsInternal = true
if len(internal.Values) != 0 {
- return fmt.Errorf("%v unexpected value for internal decoration", ast.Source)
+ return fmt.Errorf("%v unexpected value for internal attribute", ast.Source)
}
}
- if len(ast.Decorations) != 0 {
- return fmt.Errorf("%v unknown decoration", ast.Decorations[0].Source)
+ if len(ast.Attributes) != 0 {
+ return fmt.Errorf("%v unknown attribute", ast.Attributes[0].Source)
}
if err := r.globals.declare(entry, e.Source); err != nil {
return err
@@ -173,16 +173,16 @@
}
t.TemplateParams = templateParams
- // Scan for decorations
- if d := a.Decorations.Take("display"); d != nil {
+ // Scan for attributes
+ if d := a.Attributes.Take("display"); d != nil {
if len(d.Values) != 1 {
- return fmt.Errorf("%v expected a single value for 'display' decoration", d.Source)
+ return fmt.Errorf("%v expected a single value for 'display' attribute", d.Source)
}
t.DisplayName = d.Values[0]
}
- if d := a.Decorations.Take("precedence"); d != nil {
+ if d := a.Attributes.Take("precedence"); d != nil {
if len(d.Values) != 1 {
- return fmt.Errorf("%v expected a single integer value for 'precedence' decoration", d.Source)
+ return fmt.Errorf("%v expected a single integer value for 'precedence' attribute", d.Source)
}
n, err := strconv.Atoi(d.Values[0])
if err != nil {
@@ -191,8 +191,8 @@
t.Precedence = n
}
- if len(a.Decorations) != 0 {
- return fmt.Errorf("%v unknown decoration", a.Decorations[0].Source)
+ if len(a.Attributes) != 0 {
+ return fmt.Errorf("%v unknown attribute", a.Attributes[0].Source)
}
return nil
@@ -302,8 +302,8 @@
TemplateParams: templateParams,
}
- // Process overload decorations
- if stageDeco := a.Decorations.Take("stage"); stageDeco != nil {
+ // Process overload attributes
+ if stageDeco := a.Attributes.Take("stage"); stageDeco != nil {
for stageDeco != nil {
for _, stage := range stageDeco.Values {
switch stage {
@@ -317,7 +317,7 @@
return fmt.Errorf("%v unknown stage '%v'", stageDeco.Source, stage)
}
}
- stageDeco = a.Decorations.Take("stage")
+ stageDeco = a.Attributes.Take("stage")
}
} else {
overload.CanBeUsedInStage = sem.StageUses{
@@ -326,14 +326,14 @@
Compute: true,
}
}
- if deprecated := a.Decorations.Take("deprecated"); deprecated != nil {
+ if deprecated := a.Attributes.Take("deprecated"); deprecated != nil {
overload.IsDeprecated = true
if len(deprecated.Values) != 0 {
- return fmt.Errorf("%v unexpected value for deprecated decoration", deprecated.Source)
+ return fmt.Errorf("%v unexpected value for deprecated attribute", deprecated.Source)
}
}
- if len(a.Decorations) != 0 {
- return fmt.Errorf("%v unknown decoration", a.Decorations[0].Source)
+ if len(a.Attributes) != 0 {
+ return fmt.Errorf("%v unknown attribute", a.Attributes[0].Source)
}
// Append the overload to the intrinsic
diff --git a/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go b/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go
index 7ce9236..6679431 100644
--- a/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go
+++ b/tools/src/cmd/intrinsic-gen/resolver/resolver_test.go
@@ -44,7 +44,7 @@
`type X`,
success,
}, {
- `[[display("Y")]] type X`,
+ `@display("Y") type X`,
success,
}, {
`
@@ -188,14 +188,14 @@
file.txt:1:13 'X' already declared
First declared here: file.txt:1:6`,
}, {
- `[[meow]] type X`,
+ `@meow type X`,
`
-file.txt:1:3 unknown decoration
+file.txt:1:2 unknown attribute
`,
}, {
- `[[display("Y", "Z")]] type X`,
+ `@display("Y", "Z") type X`,
`
-file.txt:1:3 expected a single value for 'display' decoration`,
+file.txt:1:2 expected a single value for 'display' attribute`,
}, {
`
enum e { a }
diff --git a/tools/src/cmd/intrinsic-gen/tok/tok.go b/tools/src/cmd/intrinsic-gen/tok/tok.go
index c5def48..b34f19e 100644
--- a/tools/src/cmd/intrinsic-gen/tok/tok.go
+++ b/tools/src/cmd/intrinsic-gen/tok/tok.go
@@ -37,6 +37,7 @@
And Kind = "&"
AndAnd Kind = "&&"
Arrow Kind = "->"
+ Attr Kind = "@"
Assign Kind = "="
Colon Kind = ":"
Comma Kind = ","
@@ -46,7 +47,6 @@
Ge Kind = ">="
Gt Kind = ">"
Lbrace Kind = "{"
- Ldeco Kind = "[["
Le Kind = "<="
Lparen Kind = "("
Lt Kind = "<"
@@ -58,7 +58,6 @@
OrOr Kind = "||"
Plus Kind = "+"
Rbrace Kind = "}"
- Rdeco Kind = "]]"
Rparen Kind = ")"
Shl Kind = "<<"
Shr Kind = ">>"