refactor php7

pkg/token/position.go

@@ -0,0 +1,88 @@
+package token
+
+type Position int
+
+type Collection map[Position][]Token
+
+//go:generate stringer -type=Position -output ./position_string.go
+const (
+	Start Position = iota
+	End
+	Slash
+	Colon
+	SemiColon
+	AltEnd
+	Dollar
+	Ampersand
+	Name
+	Prefix
+	Key
+	Var
+	UseType
+	ReturnType
+	OptionalType
+	CaseSeparator
+	LexicalVars
+	Params
+	Ref
+	Cast
+	Expr
+	InitExpr
+	CondExpr
+	IncExpr
+	True
+	Cond
+
+	HaltCompiller
+	Namespace
+	Static
+	Class
+	Use
+	While
+	For
+	Switch
+	Break
+	Foreach
+	Declare
+	Label
+	Finally
+	List
+	Default
+	If
+	ElseIf
+	Else
+	Variadic
+	Function
+	DoubleArrow
+	Alias
+	As
+	Equal
+	Exit
+	Array
+	Isset
+	Empty
+	Eval
+	Echo
+	Try
+	Catch
+	Unset
+
+	Stmts
+	VarList
+	ConstList
+	NameList
+	ParamList
+	ModifierList
+	ArrayPairList
+	CaseListStart
+	CaseListEnd
+	ArgumentList
+	PropertyList
+	ParameterList
+	AdaptationList
+	LexicalVarList
+	UseDeclarationList
+
+	OpenParenthesisToken
+	CloseParenthesisToken
+)

pkg/token/position_string.go

@@ -0,0 +1,98 @@
+// Code generated by "stringer -type=Position -output ./position_string.go"; DO NOT EDIT.
+
+package token
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[Start-0]
+	_ = x[End-1]
+	_ = x[Slash-2]
+	_ = x[Colon-3]
+	_ = x[SemiColon-4]
+	_ = x[AltEnd-5]
+	_ = x[Dollar-6]
+	_ = x[Ampersand-7]
+	_ = x[Name-8]
+	_ = x[Prefix-9]
+	_ = x[Key-10]
+	_ = x[Var-11]
+	_ = x[UseType-12]
+	_ = x[ReturnType-13]
+	_ = x[OptionalType-14]
+	_ = x[CaseSeparator-15]
+	_ = x[LexicalVars-16]
+	_ = x[Params-17]
+	_ = x[Ref-18]
+	_ = x[Cast-19]
+	_ = x[Expr-20]
+	_ = x[InitExpr-21]
+	_ = x[CondExpr-22]
+	_ = x[IncExpr-23]
+	_ = x[True-24]
+	_ = x[Cond-25]
+	_ = x[HaltCompiller-26]
+	_ = x[Namespace-27]
+	_ = x[Static-28]
+	_ = x[Class-29]
+	_ = x[Use-30]
+	_ = x[While-31]
+	_ = x[For-32]
+	_ = x[Switch-33]
+	_ = x[Break-34]
+	_ = x[Foreach-35]
+	_ = x[Declare-36]
+	_ = x[Label-37]
+	_ = x[Finally-38]
+	_ = x[List-39]
+	_ = x[Default-40]
+	_ = x[If-41]
+	_ = x[ElseIf-42]
+	_ = x[Else-43]
+	_ = x[Variadic-44]
+	_ = x[Function-45]
+	_ = x[DoubleArrow-46]
+	_ = x[Alias-47]
+	_ = x[As-48]
+	_ = x[Equal-49]
+	_ = x[Exit-50]
+	_ = x[Array-51]
+	_ = x[Isset-52]
+	_ = x[Empty-53]
+	_ = x[Eval-54]
+	_ = x[Echo-55]
+	_ = x[Try-56]
+	_ = x[Catch-57]
+	_ = x[Unset-58]
+	_ = x[Stmts-59]
+	_ = x[VarList-60]
+	_ = x[ConstList-61]
+	_ = x[NameList-62]
+	_ = x[ParamList-63]
+	_ = x[ModifierList-64]
+	_ = x[ArrayPairList-65]
+	_ = x[CaseListStart-66]
+	_ = x[CaseListEnd-67]
+	_ = x[ArgumentList-68]
+	_ = x[PropertyList-69]
+	_ = x[ParameterList-70]
+	_ = x[AdaptationList-71]
+	_ = x[LexicalVarList-72]
+	_ = x[UseDeclarationList-73]
+	_ = x[OpenParenthesisToken-74]
+	_ = x[CloseParenthesisToken-75]
+}
+
+const _Position_name = "StartEndSlashColonSemiColonAltEndDollarAmpersandNamePrefixKeyVarUseTypeReturnTypeOptionalTypeCaseSeparatorLexicalVarsParamsRefCastExprInitExprCondExprIncExprTrueCondHaltCompillerNamespaceStaticClassUseWhileForSwitchBreakForeachDeclareLabelFinallyListDefaultIfElseIfElseVariadicFunctionDoubleArrowAliasAsEqualExitArrayIssetEmptyEvalEchoTryCatchUnsetStmtsVarListConstListNameListParamListModifierListArrayPairListCaseListStartCaseListEndArgumentListPropertyListParameterListAdaptationListLexicalVarListUseDeclarationListOpenParenthesisTokenCloseParenthesisToken"
+
+var _Position_index = [...]uint16{0, 5, 8, 13, 18, 27, 33, 39, 48, 52, 58, 61, 64, 71, 81, 93, 106, 117, 123, 126, 130, 134, 142, 150, 157, 161, 165, 178, 187, 193, 198, 201, 206, 209, 215, 220, 227, 234, 239, 246, 250, 257, 259, 265, 269, 277, 285, 296, 301, 303, 308, 312, 317, 322, 327, 331, 335, 338, 343, 348, 353, 360, 369, 377, 386, 398, 411, 424, 435, 447, 459, 472, 486, 500, 518, 538, 559}
+
+func (i Position) String() string {
+	if i < 0 || i >= Position(len(_Position_index)-1) {
+		return "Position(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _Position_name[_Position_index[i]:_Position_index[i+1]]
+}

pkg/token/token.go

@@ -1,9 +1,9 @@
 package token
 
-type TokenID int
+type ID int
 
 const (
-	T_INCLUDE TokenID = iota + 57346
+	T_INCLUDE ID = iota + 57346
 	T_INCLUDE_ONCE
 	T_EXIT
 	T_IF
@@ -144,6 +144,6 @@ const (
 )
 
 type Token struct {
-	ID    TokenID
+	ID    ID
 	Value []byte
 }