[refactoring] remove unused token positions

pkg/printer/printer.go

@@ -532,7 +532,6 @@ func (p *Printer) printNodeArgument(n ast.Vertex) {
 	if nn.Variadic {
 		io.WriteString(p.w, "...")
 	}
-	p.printFreeFloating(nn, token.Variadic)
 
 	p.Print(nn.Expr)
 
@@ -1916,7 +1915,6 @@ func (p *Printer) printExprVariable(n ast.Vertex) {
 	p.printFreeFloatingOrDefault(nn, token.Start, p.bufStart)
 	p.bufStart = ""
 
-	p.printFreeFloating(nn, token.Dollar)
 	if _, ok := nn.VarName.(*ast.Identifier); !ok {
 		io.WriteString(p.w, "$")
 	}
@@ -2313,7 +2311,6 @@ func (p *Printer) printStmtClass(n ast.Vertex) {
 	}
 	p.printFreeFloating(nn, token.ModifierList)
 	io.WriteString(p.w, "class")
-	p.printFreeFloating(nn, token.Class)
 
 	if nn.ClassName != nil {
 		p.bufStart = " "

pkg/token/position.go

@@ -8,15 +8,11 @@ const (
 	End
 	SemiColon
 	AltEnd
-	Dollar
 	Ampersand
 	Name
-	Prefix
 	Key
 	Var
-	UseType
 	ReturnType
-	OptionalType
 	CaseSeparator
 	LexicalVars
 	Params
@@ -37,7 +33,6 @@ const (
 	While
 	For
 	Switch
-	Break
 	Foreach
 	Declare
 	Label
@@ -47,11 +42,8 @@ const (
 	If
 	ElseIf
 	Else
-	Variadic
 	Function
-	DoubleArrow
 	Alias
-	As
 	Equal
 	Exit
 	Array
@@ -77,7 +69,6 @@ const (
 	ParameterList
 	AdaptationList
 	LexicalVarList
-	UseDeclarationList
 
 	OpenParenthesisToken
 	CloseParenthesisToken

pkg/token/position_string.go

@@ -12,81 +12,72 @@ func _() {
 	_ = x[End-1]
 	_ = x[SemiColon-2]
 	_ = x[AltEnd-3]
-	_ = x[Dollar-4]
-	_ = x[Ampersand-5]
-	_ = x[Name-6]
-	_ = x[Prefix-7]
-	_ = x[Key-8]
-	_ = x[Var-9]
-	_ = x[UseType-10]
-	_ = x[ReturnType-11]
-	_ = x[OptionalType-12]
-	_ = x[CaseSeparator-13]
-	_ = x[LexicalVars-14]
-	_ = x[Params-15]
-	_ = x[Ref-16]
-	_ = x[Cast-17]
-	_ = x[Expr-18]
-	_ = x[InitExpr-19]
-	_ = x[CondExpr-20]
-	_ = x[IncExpr-21]
-	_ = x[True-22]
-	_ = x[Cond-23]
-	_ = x[HaltCompiller-24]
-	_ = x[Namespace-25]
-	_ = x[Static-26]
-	_ = x[Class-27]
-	_ = x[Use-28]
-	_ = x[While-29]
-	_ = x[For-30]
-	_ = x[Switch-31]
-	_ = x[Break-32]
-	_ = x[Foreach-33]
-	_ = x[Declare-34]
-	_ = x[Label-35]
-	_ = x[Finally-36]
-	_ = x[List-37]
-	_ = x[Default-38]
-	_ = x[If-39]
-	_ = x[ElseIf-40]
-	_ = x[Else-41]
-	_ = x[Variadic-42]
-	_ = x[Function-43]
-	_ = x[DoubleArrow-44]
-	_ = x[Alias-45]
-	_ = x[As-46]
-	_ = x[Equal-47]
-	_ = x[Exit-48]
-	_ = x[Array-49]
-	_ = x[Isset-50]
-	_ = x[Empty-51]
-	_ = x[Eval-52]
-	_ = x[Echo-53]
-	_ = x[Try-54]
-	_ = x[Catch-55]
-	_ = x[Unset-56]
-	_ = x[Stmts-57]
-	_ = x[VarList-58]
-	_ = x[ConstList-59]
-	_ = x[NameList-60]
-	_ = x[ParamList-61]
-	_ = x[ModifierList-62]
-	_ = x[ArrayPairList-63]
-	_ = x[CaseListStart-64]
-	_ = x[CaseListEnd-65]
-	_ = x[ArgumentList-66]
-	_ = x[PropertyList-67]
-	_ = x[ParameterList-68]
-	_ = x[AdaptationList-69]
-	_ = x[LexicalVarList-70]
-	_ = x[UseDeclarationList-71]
-	_ = x[OpenParenthesisToken-72]
-	_ = x[CloseParenthesisToken-73]
+	_ = x[Ampersand-4]
+	_ = x[Name-5]
+	_ = x[Key-6]
+	_ = x[Var-7]
+	_ = x[ReturnType-8]
+	_ = x[CaseSeparator-9]
+	_ = x[LexicalVars-10]
+	_ = x[Params-11]
+	_ = x[Ref-12]
+	_ = x[Cast-13]
+	_ = x[Expr-14]
+	_ = x[InitExpr-15]
+	_ = x[CondExpr-16]
+	_ = x[IncExpr-17]
+	_ = x[True-18]
+	_ = x[Cond-19]
+	_ = x[HaltCompiller-20]
+	_ = x[Namespace-21]
+	_ = x[Static-22]
+	_ = x[Class-23]
+	_ = x[Use-24]
+	_ = x[While-25]
+	_ = x[For-26]
+	_ = x[Switch-27]
+	_ = x[Foreach-28]
+	_ = x[Declare-29]
+	_ = x[Label-30]
+	_ = x[Finally-31]
+	_ = x[List-32]
+	_ = x[Default-33]
+	_ = x[If-34]
+	_ = x[ElseIf-35]
+	_ = x[Else-36]
+	_ = x[Function-37]
+	_ = x[Alias-38]
+	_ = x[Equal-39]
+	_ = x[Exit-40]
+	_ = x[Array-41]
+	_ = x[Isset-42]
+	_ = x[Empty-43]
+	_ = x[Eval-44]
+	_ = x[Echo-45]
+	_ = x[Try-46]
+	_ = x[Catch-47]
+	_ = x[Unset-48]
+	_ = x[Stmts-49]
+	_ = x[VarList-50]
+	_ = x[ConstList-51]
+	_ = x[NameList-52]
+	_ = x[ParamList-53]
+	_ = x[ModifierList-54]
+	_ = x[ArrayPairList-55]
+	_ = x[CaseListStart-56]
+	_ = x[CaseListEnd-57]
+	_ = x[ArgumentList-58]
+	_ = x[PropertyList-59]
+	_ = x[ParameterList-60]
+	_ = x[AdaptationList-61]
+	_ = x[LexicalVarList-62]
+	_ = x[OpenParenthesisToken-63]
+	_ = x[CloseParenthesisToken-64]
 }
 
-const _Position_name = "StartEndSemiColonAltEndDollarAmpersandNamePrefixKeyVarUseTypeReturnTypeOptionalTypeCaseSeparatorLexicalVarsParamsRefCastExprInitExprCondExprIncExprTrueCondHaltCompillerNamespaceStaticClassUseWhileForSwitchBreakForeachDeclareLabelFinallyListDefaultIfElseIfElseVariadicFunctionDoubleArrowAliasAsEqualExitArrayIssetEmptyEvalEchoTryCatchUnsetStmtsVarListConstListNameListParamListModifierListArrayPairListCaseListStartCaseListEndArgumentListPropertyListParameterListAdaptationListLexicalVarListUseDeclarationListOpenParenthesisTokenCloseParenthesisToken"
+const _Position_name = "StartEndSemiColonAltEndAmpersandNameKeyVarReturnTypeCaseSeparatorLexicalVarsParamsRefCastExprInitExprCondExprIncExprTrueCondHaltCompillerNamespaceStaticClassUseWhileForSwitchForeachDeclareLabelFinallyListDefaultIfElseIfElseFunctionAliasEqualExitArrayIssetEmptyEvalEchoTryCatchUnsetStmtsVarListConstListNameListParamListModifierListArrayPairListCaseListStartCaseListEndArgumentListPropertyListParameterListAdaptationListLexicalVarListOpenParenthesisTokenCloseParenthesisToken"
 
-var _Position_index = [...]uint16{0, 5, 8, 17, 23, 29, 38, 42, 48, 51, 54, 61, 71, 83, 96, 107, 113, 116, 120, 124, 132, 140, 147, 151, 155, 168, 177, 183, 188, 191, 196, 199, 205, 210, 217, 224, 229, 236, 240, 247, 249, 255, 259, 267, 275, 286, 291, 293, 298, 302, 307, 312, 317, 321, 325, 328, 333, 338, 343, 350, 359, 367, 376, 388, 401, 414, 425, 437, 449, 462, 476, 490, 508, 528, 549}
+var _Position_index = [...]uint16{0, 5, 8, 17, 23, 32, 36, 39, 42, 52, 65, 76, 82, 85, 89, 93, 101, 109, 116, 120, 124, 137, 146, 152, 157, 160, 165, 168, 174, 181, 188, 193, 200, 204, 211, 213, 219, 223, 231, 236, 241, 245, 250, 255, 260, 264, 268, 271, 276, 281, 286, 293, 302, 310, 319, 331, 344, 357, 368, 380, 392, 405, 419, 433, 453, 474}
 
 func (i Position) String() string {
 	if i < 0 || i >= Position(len(_Position_index)-1) {