%{ package php8 import ( "strconv" "github.com/VKCOM/php-parser/pkg/ast" "github.com/VKCOM/php-parser/pkg/token" ) %} %union{ node ast.Vertex token *token.Token list []ast.Vertex } %token T_INCLUDE %token T_INCLUDE_ONCE %token T_EXIT %token T_IF %token T_LNUMBER %token T_DNUMBER %token T_STRING %token T_STRING_VARNAME %token T_VARIABLE %token T_NUM_STRING %token T_INLINE_HTML %token T_CHARACTER %token T_BAD_CHARACTER %token T_ENCAPSED_AND_WHITESPACE %token T_CONSTANT_ENCAPSED_STRING %token T_ECHO %token T_DO %token T_WHILE %token T_ENDWHILE %token T_FOR %token T_ENDFOR %token T_FOREACH %token T_ENDFOREACH %token T_DECLARE %token T_ENDDECLARE %token T_AS %token T_SWITCH %token T_ENDSWITCH %token T_CASE %token T_DEFAULT %token T_BREAK %token T_CONTINUE %token T_GOTO %token T_FUNCTION %token T_FN %token T_CONST %token T_RETURN %token T_TRY %token T_CATCH %token T_FINALLY %token T_THROW %token T_USE %token T_INSTEADOF %token T_GLOBAL %token T_VAR %token T_UNSET %token T_ISSET %token T_EMPTY %token T_HALT_COMPILER %token T_CLASS %token T_TRAIT %token T_INTERFACE %token T_EXTENDS %token T_IMPLEMENTS %token T_OBJECT_OPERATOR %token T_DOUBLE_ARROW %token T_LIST %token T_ARRAY %token T_CALLABLE %token T_CLASS_C %token T_TRAIT_C %token T_METHOD_C %token T_FUNC_C %token T_LINE %token T_FILE %token T_COMMENT %token T_DOC_COMMENT %token T_OPEN_TAG %token T_OPEN_TAG_WITH_ECHO %token T_CLOSE_TAG %token T_WHITESPACE %token T_START_HEREDOC %token T_END_HEREDOC %token T_DOLLAR_OPEN_CURLY_BRACES %token T_CURLY_OPEN %token T_PAAMAYIM_NEKUDOTAYIM %token T_NAMESPACE %token T_NS_C %token T_DIR %token T_NS_SEPARATOR %token T_ELLIPSIS %token T_EVAL %token T_REQUIRE %token T_REQUIRE_ONCE %token T_LOGICAL_OR %token T_LOGICAL_XOR %token T_LOGICAL_AND %token T_INSTANCEOF %token T_NEW %token T_CLONE %token T_ELSEIF %token T_ELSE %token T_ENDIF %token T_PRINT %token T_YIELD %token T_STATIC %token T_ABSTRACT %token T_FINAL %token T_PRIVATE %token T_PROTECTED %token T_PUBLIC %token T_INC %token T_DEC %token T_YIELD_FROM %token T_INT_CAST %token T_DOUBLE_CAST %token T_STRING_CAST %token T_ARRAY_CAST %token T_OBJECT_CAST %token T_BOOL_CAST %token T_UNSET_CAST %token T_COALESCE %token T_SPACESHIP %token T_NOELSE %token T_PLUS_EQUAL %token T_MINUS_EQUAL %token T_MUL_EQUAL %token T_POW_EQUAL %token T_DIV_EQUAL %token T_CONCAT_EQUAL %token T_MOD_EQUAL %token T_AND_EQUAL %token T_OR_EQUAL %token T_XOR_EQUAL %token T_SL_EQUAL %token T_SR_EQUAL %token T_COALESCE_EQUAL %token T_BOOLEAN_OR %token T_BOOLEAN_AND %token T_POW %token T_SL %token T_SR %token T_IS_IDENTICAL %token T_IS_NOT_IDENTICAL %token T_IS_EQUAL %token T_IS_NOT_EQUAL %token T_IS_SMALLER_OR_EQUAL %token T_IS_GREATER_OR_EQUAL %token T_NULLSAFE_OBJECT_OPERATOR %token T_MATCH %token T_ATTRIBUTE %token T_NAME_RELATIVE %token T_NAME_QUALIFIED %token T_NAME_FULLY_QUALIFIED %token T_READONLY %token T_ENUM %token '"' %token '`' %token '{' %token '}' %token ';' %token ':' %token '(' %token ')' %token '[' %token ']' %token '?' %token '&' %token '-' %token '+' %token '!' %token '~' %token '@' %token '$' %token ',' %token '|' %token '=' %token '^' %token '*' %token '/' %token '%' %token '<' %token '>' %token '.' %right T_THROW %left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE %left ',' %left T_LOGICAL_OR %left T_LOGICAL_XOR %left T_LOGICAL_AND %right T_PRINT %right T_YIELD %right T_DOUBLE_ARROW %right T_YIELD_FROM %left '=' T_PLUS_EQUAL T_MINUS_EQUAL T_MUL_EQUAL T_DIV_EQUAL T_CONCAT_EQUAL T_MOD_EQUAL T_AND_EQUAL T_OR_EQUAL T_XOR_EQUAL T_SL_EQUAL T_SR_EQUAL T_POW_EQUAL T_COALESCE_EQUAL %left '?' ':' %right T_COALESCE %left T_BOOLEAN_OR %left T_BOOLEAN_AND %left '|' %left '^' %left '&' %nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL T_SPACESHIP %nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL %left '.' %left T_SL T_SR %left '+' '-' %left '*' '/' '%' %right '!' %nonassoc T_INSTANCEOF %right '~' T_INC T_DEC T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@' %right T_POW %right '[' %nonassoc T_NEW T_CLONE %left T_NOELSE %left T_ELSEIF %left T_ELSE %left T_ENDIF %right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC T_READONLY %type optional_arg_ref optional_ellipsis returns_ref %type reserved_non_modifiers %type semi_reserved %type identifier identifier_ex %type plain_variable optional_plain_variable %type optional_comma %type case_separator %type use_type %type top_statement name statement function_declaration_statement %type class_declaration_statement trait_declaration_statement %type interface_declaration_statement %type const_decl inner_statement for_exprs non_empty_for_exprs %type expr optional_expr parameter_list non_empty_parameter_list %type declare_statement finally_statement unset_variable variable %type parameter argument expr_without_variable global_var_list global_var %type static_var_list static_var class_statement trait_adaptation trait_precedence trait_alias %type absolute_trait_method_reference trait_method_reference property echo_expr %type new_expr anonymous_class class_name class_name_or_var class_name_reference simple_variable %type internal_functions_in_yacc non_empty_array_pair_list array_pair_list %type exit_expr scalar lexical_var function_call member_name property_name %type constant class_constant %type dereferencable_scalar fully_dereferencable array_object_dereferencable %type callable_expr callable_variable static_member new_variable %type encaps_var encaps_var_offset echo_expr_list name_union name_list %type if_stmt const_list non_empty_argument_list property_list %type alt_if_stmt lexical_var_list non_empty_lexical_var_list isset_variables class_const_list %type if_stmt_without_else %type group_use_declaration inline_use_declaration %type use_declaration unprefixed_use_declaration non_empty_unprefixed_use_declarations %type unprefixed_use_declarations non_empty_inline_use_declarations inline_use_declarations use_declarations %type class_const_decl %type namespace_name namespace_declaration_name legacy_namespace_name %type alt_if_stmt_without_else %type array_pair possible_array_pair %type isset_variable %type type_expr type union_type optional_return_type %type type_expr_without_static type_without_static union_type_without_static optional_type_without_static %type class_modifier %type argument_list ctor_arguments %type trait_adaptations %type switch_case_list %type method_body %type foreach_statement for_statement while_statement %type inline_function attributed_inline_function %type unset_variables %type extends_from %type implements_list %type interface_extends_list %type lexical_vars %type expr_list_allow_comma non_empty_expr_list %type match match_arm match_arm_list non_empty_match_arm_list %type catch_list catch %type property_modifier %type attribute_decl attribute_group attribute %type enum_declaration_statement enum_case_expr enum_scalar_type %type member_modifier %type foreach_variable %type encaps_list backticks_expr %type case_list trait_adaptation_list %type top_statement_list %type inner_statement_list class_statement_list %type method_modifiers variable_modifiers %type optional_property_modifiers %type non_empty_member_modifiers class_modifiers optional_class_modifiers %type optional_attributes attributes %% ///////////////////////////////////////////////////////////////////////// start: top_statement_list { yylex.(*Parser).currentToken.Value = nil yylex.(*Parser).rootNode = &ast.Root{ Position: yylex.(*Parser).builder.Pos.NewNodeListPosition($1), Stmts: $1, EndTkn: yylex.(*Parser).currentToken, } } ; reserved_non_modifiers: T_INCLUDE {$$=$1} | T_INCLUDE_ONCE {$$=$1} | T_EVAL {$$=$1} | T_REQUIRE {$$=$1} | T_REQUIRE_ONCE {$$=$1} | T_LOGICAL_OR {$$=$1} | T_LOGICAL_XOR {$$=$1} | T_LOGICAL_AND {$$=$1} | T_INSTANCEOF {$$=$1} | T_NEW {$$=$1} | T_CLONE {$$=$1} | T_EXIT {$$=$1} | T_IF {$$=$1} | T_ELSEIF {$$=$1} | T_ELSE {$$=$1} | T_ENDIF {$$=$1} | T_ECHO {$$=$1} | T_DO {$$=$1} | T_WHILE {$$=$1} | T_ENDWHILE {$$=$1} | T_FOR {$$=$1} | T_ENDFOR {$$=$1} | T_FOREACH {$$=$1} | T_ENDFOREACH {$$=$1} | T_DECLARE {$$=$1} | T_ENDDECLARE {$$=$1} | T_AS {$$=$1} | T_TRY {$$=$1} | T_CATCH {$$=$1} | T_FINALLY {$$=$1} | T_THROW {$$=$1} | T_USE {$$=$1} | T_INSTEADOF {$$=$1} | T_GLOBAL {$$=$1} | T_VAR {$$=$1} | T_UNSET {$$=$1} | T_ISSET {$$=$1} | T_EMPTY {$$=$1} | T_CONTINUE {$$=$1} | T_GOTO {$$=$1} | T_FUNCTION {$$=$1} | T_CONST {$$=$1} | T_RETURN {$$=$1} | T_PRINT {$$=$1} | T_YIELD {$$=$1} | T_LIST {$$=$1} | T_SWITCH {$$=$1} | T_ENDSWITCH {$$=$1} | T_CASE {$$=$1} | T_DEFAULT {$$=$1} | T_BREAK {$$=$1} | T_ARRAY {$$=$1} | T_CALLABLE {$$=$1} | T_EXTENDS {$$=$1} | T_IMPLEMENTS {$$=$1} | T_NAMESPACE {$$=$1} | T_TRAIT {$$=$1} | T_INTERFACE {$$=$1} | T_CLASS {$$=$1} | T_CLASS_C {$$=$1} | T_TRAIT_C {$$=$1} | T_FUNC_C {$$=$1} | T_METHOD_C {$$=$1} | T_LINE {$$=$1} | T_FILE {$$=$1} | T_DIR {$$=$1} | T_NS_C {$$=$1} | T_FN {$$=$1} | T_MATCH {$$=$1} | T_ENUM {$$=$1} ; semi_reserved: reserved_non_modifiers { $$ = $1 } | T_STATIC {$$=$1} | T_ABSTRACT {$$=$1} | T_FINAL {$$=$1} | T_PRIVATE {$$=$1} | T_PROTECTED {$$=$1} | T_PUBLIC {$$=$1} | T_READONLY {$$=$1} ; identifier: T_STRING { $$ = $1 } ; identifier_ex: identifier { $$ = $1 } | semi_reserved { $$ = $1 } ; optional_comma: /* empty */ { $$ = nil } | ',' { $$ = $1 } ; optional_plain_variable: /* empty */ { $$ = nil } | plain_variable { $$ = $1 } ; plain_variable: T_VARIABLE { $$ = $1 } ; top_statement_list: top_statement_list top_statement { if $2 != nil { $$ = append($1, $2) } } | /* empty */ { $$ = []ast.Vertex{} } ; namespace_declaration_name: T_STRING { $$ = yylex.(*Parser).builder.NewName($1) } | semi_reserved { $$ = yylex.(*Parser).builder.NewName($1) } | T_NAME_QUALIFIED { $$ = yylex.(*Parser).builder.NewNameQualified($1) } ; namespace_name: T_STRING { $$ = yylex.(*Parser).builder.NewName($1) } | T_NAME_QUALIFIED { $$ = yylex.(*Parser).builder.NewNameQualified($1) } ; legacy_namespace_name: namespace_name { $$ = $1 } | T_NAME_FULLY_QUALIFIED { $$ = yylex.(*Parser).builder.NewNameFullyQualified($1) } ; name: T_STRING { $$ = yylex.(*Parser).builder.NewName($1) } | T_NAME_QUALIFIED { $$ = yylex.(*Parser).builder.NewNameQualified($1) } | T_NAME_FULLY_QUALIFIED { $$ = yylex.(*Parser).builder.NewNameFullyQualified($1) } | T_NAME_RELATIVE { $$ = yylex.(*Parser).builder.NewNameRelative($1) } ; attribute_decl: class_name { $$ = yylex.(*Parser).builder.NewAttribute($1, nil) } | class_name argument_list { $$ = yylex.(*Parser).builder.NewAttribute($1, $2) } ; attribute_group: attribute_decl { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } | attribute_group ',' attribute_decl { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; attribute: T_ATTRIBUTE attribute_group optional_comma ']' { $$ = yylex.(*Parser).builder.NewAttributeGroup($1, $2, $3, $4) } ; attributes: attribute { $$ = []ast.Vertex{$1} } | attributes attribute { $$ = append($1, $2) } ; optional_attributes: /* empty */ { $$ = nil } | attributes { $$ = $1 } ; top_statement: error { $$ = nil } | statement { $$ = $1 } | function_declaration_statement { $$ = $1 } | class_declaration_statement { $$ = $1 } | trait_declaration_statement { $$ = $1 } | interface_declaration_statement { $$ = $1 } | enum_declaration_statement { $$ = $1 } | T_HALT_COMPILER '(' ')' ';' { $$ = &ast.StmtHaltCompiler{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), HaltCompilerTkn: $1, OpenParenthesisTkn: $2, CloseParenthesisTkn: $3, SemiColonTkn: $4, } } | T_NAMESPACE namespace_declaration_name ';' { $$ = yylex.(*Parser).builder.NewNamespace($1, $2, nil, nil, nil, $3) } | T_NAMESPACE namespace_declaration_name '{' top_statement_list '}' { $$ = yylex.(*Parser).builder.NewNamespace($1, $2, $3, $4, $5, nil) } | T_NAMESPACE '{' top_statement_list '}' { $$ = yylex.(*Parser).builder.NewNamespace($1, nil, $2, $3, $4, nil) } | T_USE use_declarations ';' { $$ = yylex.(*Parser).builder.NewUseList($1, nil, $2, $3) } | T_USE use_type use_declarations ';' { $$ = yylex.(*Parser).builder.NewUseList($1, $2, $3, $4) } | group_use_declaration { $$ = $1 } | T_CONST const_list ';' { $$ = &ast.StmtConstList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), ConstTkn: $1, Consts: $2.(*ParserSeparatedList).Items, SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns, SemiColonTkn: $3, } } ; use_type: T_FUNCTION { $$ = $1 } | T_CONST { $$ = $1 } ; group_use_declaration: T_USE use_type legacy_namespace_name T_NS_SEPARATOR '{' unprefixed_use_declarations '}' ';' { $$ = yylex.(*Parser).builder.NewGroupUseList($1, $2, $3, $4, $5, $6, $7, $8) } | T_USE legacy_namespace_name T_NS_SEPARATOR '{' inline_use_declarations '}' ';' { $$ = yylex.(*Parser).builder.NewGroupUseList($1, nil, $2, $3, $4, $5, $6, $7) } ; inline_use_declarations: non_empty_inline_use_declarations optional_comma { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, nil) } ; non_empty_inline_use_declarations: non_empty_inline_use_declarations ',' inline_use_declaration { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | inline_use_declaration { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; unprefixed_use_declarations: non_empty_unprefixed_use_declarations optional_comma { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, nil) } ; non_empty_unprefixed_use_declarations: non_empty_unprefixed_use_declarations ',' unprefixed_use_declaration { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | unprefixed_use_declaration { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; use_declarations: use_declarations ',' use_declaration { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | use_declaration { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; inline_use_declaration: unprefixed_use_declaration { $$ = $1 } | use_type unprefixed_use_declaration { decl := $2.(*ast.StmtUse) decl.Type = yylex.(*Parser).builder.NewIdentifier($1) decl.Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2) $$ = $2 } ; unprefixed_use_declaration: namespace_name { $$ = yylex.(*Parser).builder.NewUse(nil, $1, nil, nil) } | namespace_name T_AS identifier { $$ = yylex.(*Parser).builder.NewUse(nil, $1, $2, $3)} ; use_declaration: legacy_namespace_name { $$ = yylex.(*Parser).builder.NewUse(nil, $1, nil, nil) } | legacy_namespace_name T_AS identifier { $$ = yylex.(*Parser).builder.NewUse(nil, $1, $2, $3)} ; const_list: const_list ',' const_decl { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | const_decl { $$ = yylex.(*Parser).builder.NewSeparatedList($1)} ; inner_statement_list: inner_statement_list inner_statement { if $2 != nil { $$ = append($1, $2) } } | /* empty */ { $$ = []ast.Vertex{} } ; inner_statement: error { $$ = nil } | statement { $$ = $1 } | function_declaration_statement { $$ = $1 } | class_declaration_statement { $$ = $1 } | trait_declaration_statement { $$ = $1 } | interface_declaration_statement { $$ = $1 } | enum_declaration_statement { $$ = $1 } | T_HALT_COMPILER '(' ')' ';' { $$ = &ast.StmtHaltCompiler{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), HaltCompilerTkn: $1, OpenParenthesisTkn: $2, CloseParenthesisTkn: $3, SemiColonTkn: $4, } } statement: '{' inner_statement_list '}' { $$ = &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenCurlyBracketTkn: $1, Stmts: $2, CloseCurlyBracketTkn: $3, } } | if_stmt { $$ = $1 } | alt_if_stmt { $$ = $1 } | T_WHILE '(' expr ')' while_statement { $5.(*ast.StmtWhile).WhileTkn = $1 $5.(*ast.StmtWhile).OpenParenthesisTkn = $2 $5.(*ast.StmtWhile).Cond = $3 $5.(*ast.StmtWhile).CloseParenthesisTkn = $4 $5.(*ast.StmtWhile).Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $5) $$ = $5 } | T_DO statement T_WHILE '(' expr ')' ';' { $$ = &ast.StmtDo{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $7), DoTkn: $1, Stmt: $2, WhileTkn: $3, OpenParenthesisTkn: $4, Cond: $5, CloseParenthesisTkn: $6, SemiColonTkn: $7, } } | T_FOR '(' for_exprs ';' for_exprs ';' for_exprs ')' for_statement { $9.(*ast.StmtFor).ForTkn = $1 $9.(*ast.StmtFor).OpenParenthesisTkn = $2 $9.(*ast.StmtFor).Init = $3.(*ParserSeparatedList).Items $9.(*ast.StmtFor).InitSeparatorTkns = $3.(*ParserSeparatedList).SeparatorTkns $9.(*ast.StmtFor).InitSemiColonTkn = $4 $9.(*ast.StmtFor).Cond = $5.(*ParserSeparatedList).Items $9.(*ast.StmtFor).CondSeparatorTkns = $5.(*ParserSeparatedList).SeparatorTkns $9.(*ast.StmtFor).CondSemiColonTkn = $6 $9.(*ast.StmtFor).Loop = $7.(*ParserSeparatedList).Items $9.(*ast.StmtFor).LoopSeparatorTkns = $7.(*ParserSeparatedList).SeparatorTkns $9.(*ast.StmtFor).CloseParenthesisTkn = $8 $9.(*ast.StmtFor).Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $9) $$ = $9 } | T_SWITCH '(' expr ')' switch_case_list { $5.(*ast.StmtSwitch).SwitchTkn = $1 $5.(*ast.StmtSwitch).OpenParenthesisTkn = $2 $5.(*ast.StmtSwitch).Cond = $3 $5.(*ast.StmtSwitch).CloseParenthesisTkn = $4 $5.(*ast.StmtSwitch).Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $5) $$ = $5 } | T_BREAK optional_expr ';' { $$ = &ast.StmtBreak{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), BreakTkn: $1, Expr: $2, SemiColonTkn: $3, } } | T_CONTINUE optional_expr ';' { $$ = &ast.StmtContinue{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), ContinueTkn: $1, Expr: $2, SemiColonTkn: $3, } } | T_RETURN optional_expr ';' { $$ = &ast.StmtReturn{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), ReturnTkn: $1, Expr: $2, SemiColonTkn: $3, } } | T_GLOBAL global_var_list ';' { $2.(*ast.StmtGlobal).GlobalTkn = $1 $2.(*ast.StmtGlobal).SemiColonTkn = $3 $2.(*ast.StmtGlobal).Position = yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3) $$ = $2 } | T_STATIC static_var_list ';' { $2.(*ast.StmtStatic).StaticTkn = $1 $2.(*ast.StmtStatic).SemiColonTkn = $3 $2.(*ast.StmtStatic).Position = yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3) $$ = $2 } | T_ECHO echo_expr_list ';' { $2.(*ast.StmtEcho).EchoTkn = $1 $2.(*ast.StmtEcho).SemiColonTkn = $3 $2.(*ast.StmtEcho).Position = yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3) $$ = $2 } | T_INLINE_HTML { $$ = &ast.StmtInlineHtml{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), InlineHtmlTkn: $1, Value: $1.Value, } } | expr ';' { $$ = yylex.(*Parser).builder.NewExpressionStmt($1, $2) } | T_UNSET '(' unset_variables optional_comma ')' ';' { $3.(*ast.StmtUnset).UnsetTkn = $1 $3.(*ast.StmtUnset).OpenParenthesisTkn = $2 if $4 != nil { $3.(*ast.StmtUnset).SeparatorTkns = append($3.(*ast.StmtUnset).SeparatorTkns, $4) } $3.(*ast.StmtUnset).CloseParenthesisTkn = $5 $3.(*ast.StmtUnset).SemiColonTkn = $6 $3.(*ast.StmtUnset).Position = yylex.(*Parser).builder.Pos.NewTokensPosition($1, $6) $$ = $3 } | T_FOREACH '(' expr T_AS foreach_variable ')' foreach_statement { foreach := $7.(*ast.StmtForeach) foreach.Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $7) foreach.ForeachTkn = $1 foreach.OpenParenthesisTkn = $2 foreach.Expr = $3 foreach.AsTkn = $4 foreach.Var = $5 foreach.CloseParenthesisTkn = $6 if val, ok := $5.(*ast.StmtForeach); ok { foreach.AmpersandTkn = val.AmpersandTkn foreach.Var = val.Var } $$ = foreach } | T_FOREACH '(' expr T_AS variable T_DOUBLE_ARROW foreach_variable ')' foreach_statement { foreach := $9.(*ast.StmtForeach) foreach.Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $9) foreach.ForeachTkn = $1 foreach.OpenParenthesisTkn = $2 foreach.Expr = $3 foreach.AsTkn = $4 foreach.Key = $5 foreach.DoubleArrowTkn = $6 foreach.Var = $7 foreach.CloseParenthesisTkn = $8 if val, ok := $7.(*ast.StmtForeach); ok { foreach.AmpersandTkn = val.AmpersandTkn foreach.Var = val.Var } $$ = foreach } | T_DECLARE '(' const_list ')' declare_statement { $5.(*ast.StmtDeclare).DeclareTkn = $1 $5.(*ast.StmtDeclare).OpenParenthesisTkn = $2 $5.(*ast.StmtDeclare).Consts = $3.(*ParserSeparatedList).Items $5.(*ast.StmtDeclare).SeparatorTkns = $3.(*ParserSeparatedList).SeparatorTkns $5.(*ast.StmtDeclare).CloseParenthesisTkn = $4 $5.(*ast.StmtDeclare).Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $5) $$ = $5 } | ';' { $$ = &ast.StmtNop{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), SemiColonTkn: $1, } } | T_TRY '{' inner_statement_list '}' catch_list finally_statement { $$ = yylex.(*Parser).builder.NewTry($1, $2, $3, $4, $5, $6) } | T_GOTO identifier ';' { $$ = &ast.StmtGoto{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), GotoTkn: $1, Label: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($2), IdentifierTkn: $2, Value: $2.Value, }, SemiColonTkn: $3, } } | identifier ':' { $$ = &ast.StmtLabel{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $2), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, ColonTkn: $2, } } catch_list: /* empty */ { $$ = yylex.(*Parser).builder.NewEmptySeparatedList() } | catch_list catch { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, nil, $2) } ; catch: T_CATCH '(' name_union optional_plain_variable ')' '{' inner_statement_list '}' { $$ = yylex.(*Parser).builder.NewCatch($1, $2, $3, $4, $5, $6, $7, $8) } ; name_union: name { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } | name_union '|' name { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; finally_statement: /* empty */ { $$ = nil } | T_FINALLY '{' inner_statement_list '}' { $$ = &ast.StmtFinally{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), FinallyTkn: $1, OpenCurlyBracketTkn: $2, Stmts: $3, CloseCurlyBracketTkn: $4, } } ; unset_variables: unset_variable { $$ = &ast.StmtUnset{ Vars: []ast.Vertex{$1}, } } | unset_variables ',' unset_variable { $1.(*ast.StmtUnset).Vars = append($1.(*ast.StmtUnset).Vars, $3) $1.(*ast.StmtUnset).SeparatorTkns = append($1.(*ast.StmtUnset).SeparatorTkns, $2) $$ = $1 } ; unset_variable: variable { $$ = $1 } ; function_declaration_statement: T_FUNCTION returns_ref identifier '(' parameter_list ')' optional_return_type '{' inner_statement_list '}' { $$ = yylex.(*Parser).builder.NewFunction(nil, $1, $2, $3, $4, $5, $6, $7, $8, $9, $10) } | attributes T_FUNCTION returns_ref identifier '(' parameter_list ')' optional_return_type '{' inner_statement_list '}' { $$ = yylex.(*Parser).builder.NewFunction($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11) } ; optional_arg_ref: /* empty */ { $$ = nil } | '&' { $$ = $1 } ; optional_ellipsis: /* empty */ { $$ = nil } | T_ELLIPSIS { $$ = $1 } ; optional_class_modifiers: /* empty */ { $$ = nil } | class_modifiers { $$ = $1 } ; class_modifiers: class_modifier { $$ = []ast.Vertex{$1} } | class_modifiers class_modifier { $$ = append($1, $2) } ; class_modifier: T_ABSTRACT { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_FINAL { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_READONLY { $$ = yylex.(*Parser).builder.NewIdentifier($1) } ; class_declaration_statement: optional_attributes optional_class_modifiers T_CLASS identifier extends_from implements_list '{' class_statement_list '}' { $$ = yylex.(*Parser).builder.NewClass($1, $2, $3, $4, $5, $6, $7, $8, $9) } ; trait_declaration_statement: optional_attributes T_TRAIT identifier '{' class_statement_list '}' { $$ = yylex.(*Parser).builder.NewTrait($1, $2, $3, $4, $5, $6) } ; interface_declaration_statement: optional_attributes T_INTERFACE identifier interface_extends_list '{' class_statement_list '}' { $$ = yylex.(*Parser).builder.NewInterface($1, $2, $3, $4, $5, $6, $7) } ; enum_declaration_statement: optional_attributes T_ENUM identifier enum_scalar_type implements_list '{' class_statement_list '}' { $$ = yylex.(*Parser).builder.NewEnum($1, $2, $3, $4, $5, $6, $7, $8) } ; enum_scalar_type: /* empty */ { $$ = nil } | ':' type { $$ = yylex.(*Parser).builder.NewEnumType($1, $2) } enum_case_expr: /* empty */ { $$ = nil } | '=' expr { $$ = yylex.(*Parser).builder.NewEnumExpr($1, $2) } extends_from: /* empty */ { $$ = nil } | T_EXTENDS name { $$ = &ast.StmtClass{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), ExtendsTkn: $1, Extends: $2, } } ; interface_extends_list: /* empty */ { $$ = nil } | T_EXTENDS name_list { $$ = &ast.StmtInterface{ Position: yylex.(*Parser).builder.Pos.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items), ExtendsTkn: $1, Extends: $2.(*ParserSeparatedList).Items, ExtendsSeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns, }; } ; implements_list: /* empty */ { $$ = nil } | T_IMPLEMENTS name_list { $$ = &ast.StmtClass{ Position: yylex.(*Parser).builder.Pos.NewTokenNodeListPosition($1, $2.(*ParserSeparatedList).Items), ImplementsTkn: $1, Implements: $2.(*ParserSeparatedList).Items, ImplementsSeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns, }; } ; foreach_variable: variable { $$ = $1 } | '&' variable { $$ = &ast.StmtForeach{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), AmpersandTkn: $1, Var: $2, } } | T_LIST '(' array_pair_list ')' { $$ = &ast.ExprList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ListTkn: $1, OpenBracketTkn: $2, Items: $3.(*ParserSeparatedList).Items, SeparatorTkns: $3.(*ParserSeparatedList).SeparatorTkns, CloseBracketTkn: $4, } } | '[' array_pair_list ']' { $$ = &ast.ExprList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenBracketTkn: $1, Items: $2.(*ParserSeparatedList).Items, SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns, CloseBracketTkn: $3, } } ; for_statement: statement { $$ = &ast.StmtFor{ Position: yylex.(*Parser).builder.Pos.NewNodePosition($1), Stmt: $1, } } | ':' inner_statement_list T_ENDFOR ';' { $$ = &ast.StmtFor{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ColonTkn: $1, Stmt: &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewNodeListPosition($2), Stmts: $2, }, EndForTkn: $3, SemiColonTkn: $4, } } ; foreach_statement: statement { $$ = &ast.StmtForeach{ Position: yylex.(*Parser).builder.Pos.NewNodePosition($1), Stmt: $1, } } | ':' inner_statement_list T_ENDFOREACH ';' { $$ = &ast.StmtForeach{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ColonTkn: $1, Stmt: &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewNodeListPosition($2), Stmts: $2, }, EndForeachTkn: $3, SemiColonTkn: $4, } } ; declare_statement: statement { $$ = &ast.StmtDeclare{ Position: yylex.(*Parser).builder.Pos.NewNodePosition($1), Stmt: $1, } } | ':' inner_statement_list T_ENDDECLARE ';' { $$ = &ast.StmtDeclare{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ColonTkn: $1, Stmt: &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewNodeListPosition($2), Stmts: $2, }, EndDeclareTkn: $3, SemiColonTkn: $4, } } ; switch_case_list: '{' case_list '}' { $$ = &ast.StmtSwitch{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenCurlyBracketTkn: $1, Cases: $2, CloseCurlyBracketTkn: $3, } } | '{' ';' case_list '}' { $$ = &ast.StmtSwitch{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), OpenCurlyBracketTkn: $1, CaseSeparatorTkn: $2, Cases: $3, CloseCurlyBracketTkn: $4, } } | ':' case_list T_ENDSWITCH ';' { $$ = &ast.StmtSwitch{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ColonTkn: $1, Cases: $2, EndSwitchTkn: $3, SemiColonTkn: $4, } } | ':' ';' case_list T_ENDSWITCH ';' { $$ = &ast.StmtSwitch{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $5), ColonTkn: $1, CaseSeparatorTkn: $2, Cases: $3, EndSwitchTkn: $4, SemiColonTkn: $5, } } ; case_list: /* empty */ { $$ = nil } | case_list T_CASE expr case_separator inner_statement_list { $$ = append($1, &ast.StmtCase{ Position: yylex.(*Parser).builder.Pos.NewTokenNodeListPosition($2, $5), CaseTkn: $2, Cond: $3, CaseSeparatorTkn: $4, Stmts: $5, }) } | case_list T_DEFAULT case_separator inner_statement_list { $$ = append($1, &ast.StmtDefault{ Position: yylex.(*Parser).builder.Pos.NewTokenNodeListPosition($2, $4), DefaultTkn: $2, CaseSeparatorTkn: $3, Stmts: $4, }) } ; case_separator: ':' { $$ = $1 } | ';' { $$ = $1 } ; while_statement: statement { $$ = &ast.StmtWhile{ Position: yylex.(*Parser).builder.Pos.NewNodePosition($1), Stmt: $1, } } | ':' inner_statement_list T_ENDWHILE ';' { $$ = &ast.StmtWhile{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ColonTkn: $1, Stmt: &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewNodeListPosition($2), Stmts: $2, }, EndWhileTkn: $3, SemiColonTkn: $4, } } ; if_stmt_without_else: T_IF '(' expr ')' statement { $$ = &ast.StmtIf{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $5), IfTkn: $1, OpenParenthesisTkn: $2, Cond: $3, CloseParenthesisTkn: $4, Stmt: $5, } } | if_stmt_without_else T_ELSEIF '(' expr ')' statement { $1.(*ast.StmtIf).ElseIf = append($1.(*ast.StmtIf).ElseIf, &ast.StmtElseIf{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($2, $6), ElseIfTkn: $2, OpenParenthesisTkn: $3, Cond: $4, CloseParenthesisTkn: $5, Stmt: $6, }) $1.(*ast.StmtIf).Position = yylex.(*Parser).builder.Pos.NewNodesPosition($1, $6) $$ = $1 } ; if_stmt: if_stmt_without_else %prec T_NOELSE { $$ = $1 } | if_stmt_without_else T_ELSE statement { $1.(*ast.StmtIf).Else = &ast.StmtElse{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($2, $3), ElseTkn: $2, Stmt: $3, } $1.(*ast.StmtIf).Position = yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3) $$ = $1 } ; alt_if_stmt_without_else: T_IF '(' expr ')' ':' inner_statement_list { $$ = &ast.StmtIf{ Position: yylex.(*Parser).builder.Pos.NewTokenNodeListPosition($1, $6), IfTkn: $1, OpenParenthesisTkn: $2, Cond: $3, CloseParenthesisTkn: $4, ColonTkn: $5, Stmt: &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewNodeListPosition($6), Stmts: $6, }, } } | alt_if_stmt_without_else T_ELSEIF '(' expr ')' ':' inner_statement_list { $1.(*ast.StmtIf).ElseIf = append($1.(*ast.StmtIf).ElseIf, &ast.StmtElseIf{ Position: yylex.(*Parser).builder.Pos.NewTokenNodeListPosition($2, $7), ElseIfTkn: $2, OpenParenthesisTkn: $3, Cond: $4, CloseParenthesisTkn: $5, ColonTkn: $6, Stmt: &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewNodeListPosition($7), Stmts: $7, }, }) $$ = $1 } ; alt_if_stmt: alt_if_stmt_without_else T_ENDIF ';' { $1.(*ast.StmtIf).EndIfTkn = $2 $1.(*ast.StmtIf).SemiColonTkn = $3 $1.(*ast.StmtIf).Position = yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $3) $$ = $1 } | alt_if_stmt_without_else T_ELSE ':' inner_statement_list T_ENDIF ';' { $1.(*ast.StmtIf).Else = &ast.StmtElse{ Position: yylex.(*Parser).builder.Pos.NewTokenNodeListPosition($2, $4), ElseTkn: $2, ColonTkn: $3, Stmt: &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewNodeListPosition($4), Stmts: $4, }, } $1.(*ast.StmtIf).EndIfTkn = $5 $1.(*ast.StmtIf).SemiColonTkn = $6 $1.(*ast.StmtIf).Position = yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $6) $$ = $1 } ; parameter_list: non_empty_parameter_list optional_comma { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, nil) } | /* empty */ { $$ = yylex.(*Parser).builder.NewEmptySeparatedList() } ; non_empty_parameter_list: parameter { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } | non_empty_parameter_list ',' parameter { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; optional_property_modifiers: /* empty */ { $$ = nil } | optional_property_modifiers property_modifier { $$ = append($1, $2) } ; property_modifier: T_PUBLIC { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_PROTECTED { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_PRIVATE { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_READONLY { $$ = yylex.(*Parser).builder.NewIdentifier($1) } ; parameter: optional_attributes optional_property_modifiers optional_type_without_static optional_arg_ref optional_ellipsis plain_variable { $$ = yylex.(*Parser).builder.NewParameter($1, $2, $3, $4, $5, $6, nil, nil, false) } | optional_attributes optional_property_modifiers optional_type_without_static optional_arg_ref optional_ellipsis plain_variable '=' expr { $$ = yylex.(*Parser).builder.NewParameter($1, $2, $3, $4, $5, $6, $7, $8, true) } ; type_expr: type { $$ = $1 } | '?' type { $$ = yylex.(*Parser).builder.NewNullableType($1, $2) } | union_type { $$ = yylex.(*Parser).builder.NewUnionType($1) } ; type: type_without_static { $$ = $1 } | T_STATIC { $$ = yylex.(*Parser).builder.NewNameType($1) } ; type_without_static: T_ARRAY { $$ = yylex.(*Parser).builder.NewNameType($1) } | T_CALLABLE { $$ = yylex.(*Parser).builder.NewNameType($1) } | name { $$ = $1 } ; union_type: type '|' type { $$ = yylex.(*Parser).builder.NewSeparatedListWithTwoElements($1, $2, $3) } | union_type '|' type { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; union_type_without_static: type_without_static '|' type_without_static { $$ = yylex.(*Parser).builder.NewSeparatedListWithTwoElements($1, $2, $3) } | union_type_without_static '|' type_without_static { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; type_expr_without_static: type_without_static { $$ = $1 } | '?' type_without_static { $$ = yylex.(*Parser).builder.NewNullableType($1, $2) } | union_type_without_static { $$ = yylex.(*Parser).builder.NewUnionType($1) } ; optional_type_without_static: /* empty */ { $$ = nil } | type_expr_without_static { $$ = $1 } ; optional_return_type: /* empty */ { $$ = &ReturnType{} } | ':' type_expr { $$ = yylex.(*Parser).builder.NewReturnType($1, $2) } ; argument_list: '(' ')' { $$ = yylex.(*Parser).builder.NewArgumentList($1, nil, nil, nil, $2) } | '(' non_empty_argument_list optional_comma ')' { $$ = yylex.(*Parser).builder.NewArgumentList($1, $2, $3, nil, $4) } | '(' T_ELLIPSIS ')' { $$ = yylex.(*Parser).builder.NewArgumentList($1, nil, nil, $2, $3) } ; non_empty_argument_list: argument { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } | non_empty_argument_list ',' argument { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; argument: expr { $$ = yylex.(*Parser).builder.NewArgument($1) } | T_ELLIPSIS expr { $$ = yylex.(*Parser).builder.NewVariadicArgument($1, $2) } | identifier_ex ':' expr { $$ = yylex.(*Parser).builder.NewNamedArgument($1, $2, $3) } ; global_var_list: global_var_list ',' global_var { $1.(*ast.StmtGlobal).Vars = append($1.(*ast.StmtGlobal).Vars, $3) $1.(*ast.StmtGlobal).SeparatorTkns = append($1.(*ast.StmtGlobal).SeparatorTkns, $2) $$ = $1 } | global_var { $$ = &ast.StmtGlobal{ Vars: []ast.Vertex{$1}, } } ; global_var: simple_variable { $$ = $1 } ; static_var_list: static_var_list ',' static_var { $1.(*ast.StmtStatic).Vars = append($1.(*ast.StmtStatic).Vars, $3) $1.(*ast.StmtStatic).SeparatorTkns = append($1.(*ast.StmtStatic).SeparatorTkns, $2) $$ = $1 } | static_var { $$ = &ast.StmtStatic{ Vars: []ast.Vertex{$1}, } } ; static_var: plain_variable { $$ = &ast.StmtStaticVar{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Var: &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, }, } } | plain_variable '=' expr { $$ = &ast.StmtStaticVar{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $3), Var: &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, }, EqualTkn: $2, Expr: $3, } } ; class_statement_list: class_statement_list class_statement { $$ = append($1, $2) } | /* empty */ { $$ = []ast.Vertex{} } ; class_statement: optional_attributes variable_modifiers optional_type_without_static property_list ';' { $$ = yylex.(*Parser).builder.NewPropertyList($1, $2, $3, $4, $5) } | optional_attributes method_modifiers T_CONST class_const_list ';' { $$ = yylex.(*Parser).builder.NewClassConstList($1, $2, $3, $4, $5) } | optional_attributes method_modifiers T_FUNCTION returns_ref identifier_ex '(' parameter_list ')' optional_return_type method_body { $$ = yylex.(*Parser).builder.NewClassMethod($1, $2, $3, $4, $5, $6, $7, $8, $9, $10) } | T_USE name_list trait_adaptations { traitUse := &ast.StmtTraitUse{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $3), UseTkn: $1, Traits: $2.(*ParserSeparatedList).Items, SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns, } switch n := $3.(type) { case *TraitAdaptationList : traitUse.OpenCurlyBracketTkn = n.OpenCurlyBracketTkn traitUse.Adaptations = n.Adaptations traitUse.CloseCurlyBracketTkn = n.CloseCurlyBracketTkn case *ast.StmtNop : traitUse.SemiColonTkn = n.SemiColonTkn }; $$ = traitUse } | optional_attributes T_CASE identifier enum_case_expr ';' { $$ = yylex.(*Parser).builder.NewEnumCase($1, $2, $3, $4, $5) } ; name_list: name { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } | name_list ',' name { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; trait_adaptations: ';' { $$ = &ast.StmtNop{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), SemiColonTkn: $1, } } | '{' '}' { $$ = &TraitAdaptationList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $2), OpenCurlyBracketTkn: $1, CloseCurlyBracketTkn: $2, } } | '{' trait_adaptation_list '}' { $$ = &TraitAdaptationList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenCurlyBracketTkn: $1, Adaptations: $2, CloseCurlyBracketTkn: $3, } } ; trait_adaptation_list: trait_adaptation { $$ = []ast.Vertex{$1} } | trait_adaptation_list trait_adaptation { $$ = append($1, $2) } ; trait_adaptation: trait_precedence ';' { $1.(*ast.StmtTraitUsePrecedence).SemiColonTkn = $2 $$ = $1; } | trait_alias ';' { $1.(*ast.StmtTraitUseAlias).SemiColonTkn = $2 $$ = $1; } ; trait_precedence: absolute_trait_method_reference T_INSTEADOF name_list { $$ = &ast.StmtTraitUsePrecedence{ Position: yylex.(*Parser).builder.Pos.NewNodeNodeListPosition($1, $3.(*ParserSeparatedList).Items), Trait: $1.(*TraitMethodRef).Trait, DoubleColonTkn: $1.(*TraitMethodRef).DoubleColonTkn, Method: $1.(*TraitMethodRef).Method, InsteadofTkn: $2, Insteadof: $3.(*ParserSeparatedList).Items, SeparatorTkns: $3.(*ParserSeparatedList).SeparatorTkns, } } ; trait_alias: trait_method_reference T_AS identifier { $$ = &ast.StmtTraitUseAlias{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $3), Trait: $1.(*TraitMethodRef).Trait, DoubleColonTkn: $1.(*TraitMethodRef).DoubleColonTkn, Method: $1.(*TraitMethodRef).Method, AsTkn: $2, Alias: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($3), IdentifierTkn: $3, Value: $3.Value, }, } } | trait_method_reference T_AS reserved_non_modifiers { $$ = &ast.StmtTraitUseAlias{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $3), Trait: $1.(*TraitMethodRef).Trait, DoubleColonTkn: $1.(*TraitMethodRef).DoubleColonTkn, Method: $1.(*TraitMethodRef).Method, AsTkn: $2, Alias: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($3), IdentifierTkn: $3, Value: $3.Value, }, } } | trait_method_reference T_AS member_modifier identifier_ex { $$ = &ast.StmtTraitUseAlias{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $4), Trait: $1.(*TraitMethodRef).Trait, DoubleColonTkn: $1.(*TraitMethodRef).DoubleColonTkn, Method: $1.(*TraitMethodRef).Method, AsTkn: $2, Modifier: $3, Alias: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($4), IdentifierTkn: $4, Value: $4.Value, }, } } | trait_method_reference T_AS member_modifier { $$ = &ast.StmtTraitUseAlias{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Trait: $1.(*TraitMethodRef).Trait, DoubleColonTkn: $1.(*TraitMethodRef).DoubleColonTkn, Method: $1.(*TraitMethodRef).Method, AsTkn: $2, Modifier: $3, } } ; trait_method_reference: identifier_ex { $$ = &TraitMethodRef{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Method: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, } } | absolute_trait_method_reference { $$ = $1 } ; absolute_trait_method_reference: name T_PAAMAYIM_NEKUDOTAYIM identifier_ex { $$ = &TraitMethodRef{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $3), Trait: $1, DoubleColonTkn: $2, Method: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($3), IdentifierTkn: $3, Value: $3.Value, }, } } ; method_body: ';' /* abstract method */ { $$ = &ast.StmtNop{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), SemiColonTkn: $1, } } | '{' inner_statement_list '}' { $$ = &ast.StmtStmtList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenCurlyBracketTkn: $1, Stmts: $2, CloseCurlyBracketTkn: $3, } } ; variable_modifiers: non_empty_member_modifiers { $$ = $1 } | T_VAR { $$ = []ast.Vertex{yylex.(*Parser).builder.NewIdentifier($1)} } ; method_modifiers: /* empty */ { $$ = nil } | non_empty_member_modifiers { $$ = $1 } ; non_empty_member_modifiers: member_modifier { $$ = []ast.Vertex{$1} } | non_empty_member_modifiers member_modifier { $$ = append($1, $2) } ; member_modifier: T_PUBLIC { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_PROTECTED { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_PRIVATE { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_STATIC { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_ABSTRACT { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_FINAL { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | T_READONLY { $$ = yylex.(*Parser).builder.NewIdentifier($1) } ; property_list: property_list ',' property { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | property { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; property: plain_variable backup_doc_comment { $$ = &ast.StmtProperty{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Var: &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, }, Expr: nil, } } | plain_variable '=' expr backup_doc_comment { $$ = &ast.StmtProperty{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $3), Var: &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, }, EqualTkn: $2, Expr: $3, } } ; class_const_list: class_const_list ',' class_const_decl { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | class_const_decl { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; class_const_decl: identifier_ex '=' expr backup_doc_comment { $$ = &ast.StmtConstant{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $3), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, EqualTkn: $2, Expr: $3, } } ; const_decl: identifier '=' expr backup_doc_comment { $$ = &ast.StmtConstant{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $3), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, EqualTkn: $2, Expr: $3, } } ; echo_expr_list: echo_expr_list ',' echo_expr { $1.(*ast.StmtEcho).Exprs = append($1.(*ast.StmtEcho).Exprs, $3) $1.(*ast.StmtEcho).SeparatorTkns = append($1.(*ast.StmtEcho).SeparatorTkns, $2) $$ = $1 } | echo_expr { $$ = &ast.StmtEcho{ Exprs: []ast.Vertex{$1}, } } ; echo_expr: expr { $$ = $1 } ; for_exprs: /* empty */ { $$ = &ParserSeparatedList{} } | non_empty_for_exprs { $$ = $1 } ; non_empty_for_exprs: non_empty_for_exprs ',' expr { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | expr { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; anonymous_class: optional_attributes T_CLASS ctor_arguments extends_from implements_list '{' class_statement_list '}' { $$ = yylex.(*Parser).builder.NewAnonClass($1, $2, $3, $4, $5, $6, $7, $8) } ; new_expr: T_NEW class_name_reference ctor_arguments { if $3 != nil { $$ = &ast.ExprNew{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $3), NewTkn: $1, Class: $2, OpenParenthesisTkn: $3.(*ArgumentList).OpenParenthesisTkn, Args: $3.(*ArgumentList).Arguments, SeparatorTkns: $3.(*ArgumentList).SeparatorTkns, CloseParenthesisTkn: $3.(*ArgumentList).CloseParenthesisTkn, } } else { $$ = &ast.ExprNew{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), NewTkn: $1, Class: $2, } } } | T_NEW anonymous_class { $$ = &ast.ExprNew{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), NewTkn: $1, Class: $2, } } ; expr_list_allow_comma: non_empty_expr_list optional_comma { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, nil) } ; non_empty_expr_list: non_empty_expr_list ',' expr { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | expr { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; match: T_MATCH '(' expr ')' '{' match_arm_list '}' { $$ = yylex.(*Parser).builder.NewMatch($1, $2, $3, $4, $5, $6, $7) } ; match_arm_list: /* empty */ { $$ = nil; } | non_empty_match_arm_list optional_comma { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, nil) } ; non_empty_match_arm_list: match_arm { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } | non_empty_match_arm_list ',' match_arm { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; match_arm: expr_list_allow_comma T_DOUBLE_ARROW expr { $$ = yylex.(*Parser).builder.NewMatchArm(nil, nil, $1, $2, $3) } | T_DEFAULT optional_comma T_DOUBLE_ARROW expr { $$ = yylex.(*Parser).builder.NewMatchArm($1, $2, nil, $3, $4) } ; expr_without_variable: T_LIST '(' array_pair_list ')' '=' expr { $$ = &ast.ExprAssign{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $6), Var: &ast.ExprList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ListTkn: $1, OpenBracketTkn: $2, Items: $3.(*ParserSeparatedList).Items, SeparatorTkns: $3.(*ParserSeparatedList).SeparatorTkns, CloseBracketTkn: $4, }, EqualTkn: $5, Expr: $6, } } | '[' array_pair_list ']' '=' expr { $$ = &ast.ExprAssign{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $5), Var: &ast.ExprList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenBracketTkn: $1, Items: $2.(*ParserSeparatedList).Items, SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns, CloseBracketTkn: $3, }, EqualTkn: $4, Expr: $5, } } | variable '=' expr { $$ = &ast.ExprAssign{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable '=' '&' expr { $$ = &ast.ExprAssignReference{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $4), Var: $1, EqualTkn: $2, AmpersandTkn: $3, Expr: $4, } } | T_CLONE expr { $$ = &ast.ExprClone{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), CloneTkn: $1, Expr: $2, } } | variable T_PLUS_EQUAL expr { $$ = &ast.ExprAssignPlus{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_MINUS_EQUAL expr { $$ = &ast.ExprAssignMinus{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_MUL_EQUAL expr { $$ = &ast.ExprAssignMul{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_POW_EQUAL expr { $$ = &ast.ExprAssignPow{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_DIV_EQUAL expr { $$ = &ast.ExprAssignDiv{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_CONCAT_EQUAL expr { $$ = &ast.ExprAssignConcat{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_MOD_EQUAL expr { $$ = &ast.ExprAssignMod{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_AND_EQUAL expr { $$ = &ast.ExprAssignBitwiseAnd{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_OR_EQUAL expr { $$ = &ast.ExprAssignBitwiseOr{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_XOR_EQUAL expr { $$ = &ast.ExprAssignBitwiseXor{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_SL_EQUAL expr { $$ = &ast.ExprAssignShiftLeft{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_SR_EQUAL expr { $$ = &ast.ExprAssignShiftRight{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_COALESCE_EQUAL expr { $$ = &ast.ExprAssignCoalesce{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Var: $1, EqualTkn: $2, Expr: $3, } } | variable T_INC { $$ = &ast.ExprPostInc{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $2), Var: $1, IncTkn: $2, } } | T_INC variable { $$ = &ast.ExprPreInc{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), IncTkn: $1, Var: $2, } } | variable T_DEC { $$ = &ast.ExprPostDec{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $2), Var: $1, DecTkn: $2, } } | T_DEC variable { $$ = &ast.ExprPreDec{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), DecTkn: $1, Var: $2, } } | expr T_BOOLEAN_OR expr { $$ = &ast.ExprBinaryBooleanOr{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_BOOLEAN_AND expr { $$ = &ast.ExprBinaryBooleanAnd{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_LOGICAL_OR expr { $$ = &ast.ExprBinaryLogicalOr{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_LOGICAL_AND expr { $$ = &ast.ExprBinaryLogicalAnd{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_LOGICAL_XOR expr { $$ = &ast.ExprBinaryLogicalXor{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '|' expr { $$ = &ast.ExprBinaryBitwiseOr{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '&' expr { $$ = &ast.ExprBinaryBitwiseAnd{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '^' expr { $$ = &ast.ExprBinaryBitwiseXor{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '.' expr { $$ = &ast.ExprBinaryConcat{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '+' expr { $$ = &ast.ExprBinaryPlus{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '-' expr { $$ = &ast.ExprBinaryMinus{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '*' expr { $$ = &ast.ExprBinaryMul{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_POW expr { $$ = &ast.ExprBinaryPow{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '/' expr { $$ = &ast.ExprBinaryDiv{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '%' expr { $$ = &ast.ExprBinaryMod{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_SL expr { $$ = &ast.ExprBinaryShiftLeft{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_SR expr { $$ = &ast.ExprBinaryShiftRight{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | '+' expr %prec T_INC { $$ = &ast.ExprUnaryPlus{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), PlusTkn: $1, Expr: $2, } } | '-' expr %prec T_INC { $$ = &ast.ExprUnaryMinus{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), MinusTkn: $1, Expr: $2, } } | '!' expr { $$ = &ast.ExprBooleanNot{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), ExclamationTkn: $1, Expr: $2, } } | '~' expr { $$ = &ast.ExprBitwiseNot{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), TildaTkn: $1, Expr: $2, } } | expr T_IS_IDENTICAL expr { $$ = &ast.ExprBinaryIdentical{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_IS_NOT_IDENTICAL expr { $$ = &ast.ExprBinaryNotIdentical{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_IS_EQUAL expr { $$ = &ast.ExprBinaryEqual{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_IS_NOT_EQUAL expr { $$ = &ast.ExprBinaryNotEqual{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '<' expr { $$ = &ast.ExprBinarySmaller{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_IS_SMALLER_OR_EQUAL expr { $$ = &ast.ExprBinarySmallerOrEqual{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr '>' expr { $$ = &ast.ExprBinaryGreater{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_IS_GREATER_OR_EQUAL expr { $$ = &ast.ExprBinaryGreaterOrEqual{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_SPACESHIP expr { $$ = &ast.ExprBinarySpaceship{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | expr T_INSTANCEOF class_name_reference { $$ = &ast.ExprInstanceOf{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Expr: $1, InstanceOfTkn: $2, Class: $3, } } | '(' expr ')' { $$ = &ast.ExprBrackets{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenParenthesisTkn: $1, Expr: $2, CloseParenthesisTkn: $3, } } | new_expr { $$ = $1 } | match { $$ = $1 } | expr '?' expr ':' expr { $$ = &ast.ExprTernary{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $5), Cond: $1, QuestionTkn: $2, IfTrue: $3, ColonTkn: $4, IfFalse: $5, } } | expr '?' ':' expr { $$ = &ast.ExprTernary{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $4), Cond: $1, QuestionTkn: $2, ColonTkn: $3, IfFalse: $4, } } | expr T_COALESCE expr { $$ = &ast.ExprBinaryCoalesce{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Left: $1, OpTkn: $2, Right: $3, } } | internal_functions_in_yacc { $$ = $1 } | T_INT_CAST expr { $$ = &ast.ExprCastInt{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), CastTkn: $1, Expr: $2, } } | T_DOUBLE_CAST expr { $$ = &ast.ExprCastDouble{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), CastTkn: $1, Expr: $2, } } | T_STRING_CAST expr { $$ = &ast.ExprCastString{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), CastTkn: $1, Expr: $2, } } | T_ARRAY_CAST expr { $$ = &ast.ExprCastArray{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), CastTkn: $1, Expr: $2, } } | T_OBJECT_CAST expr { $$ = &ast.ExprCastObject{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), CastTkn: $1, Expr: $2, } } | T_BOOL_CAST expr { $$ = &ast.ExprCastBool{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), CastTkn: $1, Expr: $2, } } | T_UNSET_CAST expr { $$ = &ast.ExprCastUnset{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), CastTkn: $1, Expr: $2, } } | T_EXIT exit_expr { exit := &ast.ExprExit{ ExitTkn: $1, } if $2 == nil { exit.Position = yylex.(*Parser).builder.Pos.NewTokenPosition($1) } else { exit.Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2) exit.OpenParenthesisTkn = $2.(*ast.ExprBrackets).OpenParenthesisTkn exit.Expr = $2.(*ast.ExprBrackets).Expr exit.CloseParenthesisTkn = $2.(*ast.ExprBrackets).CloseParenthesisTkn } $$ = exit } | '@' expr { $$ = &ast.ExprErrorSuppress{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), AtTkn: $1, Expr: $2, } } | scalar { $$ = $1 } | '`' backticks_expr '`' { $$ = &ast.ExprShellExec{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenBacktickTkn: $1, Parts: $2, CloseBacktickTkn: $3, } } | T_PRINT expr { $$ = &ast.ExprPrint{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), PrintTkn: $1, Expr: $2, } } | T_YIELD { $$ = &ast.ExprYield{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), YieldTkn: $1, } } | T_YIELD expr { $$ = &ast.ExprYield{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), YieldTkn: $1, Val: $2, } } | T_YIELD expr T_DOUBLE_ARROW expr { $$ = &ast.ExprYield{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $4), YieldTkn: $1, Key: $2, DoubleArrowTkn: $3, Val: $4, } } | T_YIELD_FROM expr { $$ = &ast.ExprYieldFrom{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), YieldFromTkn: $1, Expr: $2, } } | T_THROW expr { $$ = yylex.(*Parser).builder.NewThrowExpr($1, $2) } | attributed_inline_function { $$ = $1; } | T_STATIC attributed_inline_function { switch n := $2.(type) { case *ast.ExprClosure : n.Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2) n.StaticTkn = $1; case *ast.ExprArrowFunction : n.Position = yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2) n.StaticTkn = $1; }; $$ = $2 } ; attributed_inline_function: inline_function { $$ = $1 } | attributes inline_function { switch n := $2.(type) { case *ast.ExprClosure : n.Position = yylex.(*Parser).builder.Pos.NewNodeListNodePosition($1, $2) n.AttrGroups = $1; case *ast.ExprArrowFunction : n.Position = yylex.(*Parser).builder.Pos.NewNodeListNodePosition($1, $2) n.AttrGroups = $1; }; $$ = $2 } ; inline_function: T_FUNCTION returns_ref backup_doc_comment '(' parameter_list ')' lexical_vars optional_return_type '{' inner_statement_list '}' { closure := $7.(*ast.ExprClosure) closure.Position = yylex.(*Parser).builder.Pos.NewTokensPosition($1, $11) closure.FunctionTkn = $1 closure.AmpersandTkn = $2 closure.OpenParenthesisTkn = $4 closure.Params = $5.(*ParserSeparatedList).Items closure.SeparatorTkns = $5.(*ParserSeparatedList).SeparatorTkns closure.CloseParenthesisTkn = $6 closure.ColonTkn = $8.(*ReturnType).ColonTkn closure.ReturnType = $8.(*ReturnType).Type closure.OpenCurlyBracketTkn = $9 closure.Stmts = $10 closure.CloseCurlyBracketTkn = $11 $$ = closure } | T_FN returns_ref '(' parameter_list ')' optional_return_type backup_doc_comment T_DOUBLE_ARROW expr %prec T_THROW { $$ = &ast.ExprArrowFunction{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $9), FnTkn: $1, AmpersandTkn: $2, OpenParenthesisTkn: $3, Params: $4.(*ParserSeparatedList).Items, SeparatorTkns: $4.(*ParserSeparatedList).SeparatorTkns, CloseParenthesisTkn: $5, ColonTkn: $6.(*ReturnType).ColonTkn, ReturnType: $6.(*ReturnType).Type, DoubleArrowTkn: $8, Expr: $9, } } ; backup_doc_comment: /* empty */ ; returns_ref: /* empty */ { $$ = nil } | '&' { $$ = $1 } ; lexical_vars: /* empty */ { $$ = &ast.ExprClosure{} } | T_USE '(' lexical_var_list ')' { $$ = &ast.ExprClosure{ UseTkn: $1, UseOpenParenthesisTkn: $2, Uses: $3.(*ParserSeparatedList).Items, UseSeparatorTkns: $3.(*ParserSeparatedList).SeparatorTkns, UseCloseParenthesisTkn: $4, } } ; lexical_var_list: non_empty_lexical_var_list optional_comma { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, nil) } ; non_empty_lexical_var_list: non_empty_lexical_var_list ',' lexical_var { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | lexical_var { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; lexical_var: plain_variable { $$ = &ast.ExprClosureUse{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Var: &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, }, } } | '&' plain_variable { $$ = &ast.ExprClosureUse{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $2), AmpersandTkn: $1, Var: &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($2), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($2), IdentifierTkn: $2, Value: $2.Value, }, }, } } ; function_call: name argument_list { $$ = &ast.ExprFunctionCall{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $2), Function: $1, OpenParenthesisTkn: $2.(*ArgumentList).OpenParenthesisTkn, Args: $2.(*ArgumentList).Arguments, SeparatorTkns: $2.(*ArgumentList).SeparatorTkns, EllipsisTkn: $2.(*ArgumentList).EllipsisTkn, CloseParenthesisTkn: $2.(*ArgumentList).CloseParenthesisTkn, } } | class_name_or_var T_PAAMAYIM_NEKUDOTAYIM member_name argument_list { staticCall := &ast.ExprStaticCall{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $4), Class: $1, DoubleColonTkn: $2, Call: $3, OpenParenthesisTkn: $4.(*ArgumentList).OpenParenthesisTkn, Args: $4.(*ArgumentList).Arguments, SeparatorTkns: $4.(*ArgumentList).SeparatorTkns, EllipsisTkn: $4.(*ArgumentList).EllipsisTkn, CloseParenthesisTkn: $4.(*ArgumentList).CloseParenthesisTkn, } if brackets, ok := $3.(*ParserBrackets); ok { staticCall.OpenCurlyBracketTkn = brackets.OpenBracketTkn staticCall.Call = brackets.Child staticCall.CloseCurlyBracketTkn = brackets.CloseBracketTkn } $$ = staticCall } | callable_expr argument_list { $$ = &ast.ExprFunctionCall{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $2), Function: $1, OpenParenthesisTkn: $2.(*ArgumentList).OpenParenthesisTkn, Args: $2.(*ArgumentList).Arguments, SeparatorTkns: $2.(*ArgumentList).SeparatorTkns, EllipsisTkn: $2.(*ArgumentList).EllipsisTkn, CloseParenthesisTkn: $2.(*ArgumentList).CloseParenthesisTkn, } } ; class_name_or_var: class_name { $$ = $1 } | fully_dereferencable { $$ = $1 } ; class_name: T_STATIC { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | name { $$ = $1 } ; class_name_reference: class_name { $$ = $1 } | new_variable { $$ = $1 } | '(' expr ')' { $$ = yylex.(*Parser).builder.NewBracket($1, $2, $3) } ; exit_expr: /* empty */ { $$ = nil } | '(' optional_expr ')' { $$ = yylex.(*Parser).builder.NewBracket($1, $2, $3) } ; backticks_expr: /* empty */ { $$ = []ast.Vertex{} } | T_ENCAPSED_AND_WHITESPACE { $$ = []ast.Vertex{ &ast.ScalarEncapsedStringPart{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), EncapsedStrTkn: $1, Value: $1.Value, }, } } | encaps_list { $$ = $1 } ; ctor_arguments: /* empty */ { $$ = nil } | argument_list { $$ = $1 } ; dereferencable_scalar: T_ARRAY '(' array_pair_list ')' { $$ = &ast.ExprArray{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ArrayTkn: $1, OpenBracketTkn: $2, Items: $3.(*ParserSeparatedList).Items, SeparatorTkns: $3.(*ParserSeparatedList).SeparatorTkns, CloseBracketTkn: $4, } } | '[' array_pair_list ']' { $$ = &ast.ExprArray{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenBracketTkn: $1, Items: $2.(*ParserSeparatedList).Items, SeparatorTkns: $2.(*ParserSeparatedList).SeparatorTkns, CloseBracketTkn: $3, } } | T_CONSTANT_ENCAPSED_STRING { $$ = &ast.ScalarString{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), StringTkn: $1, Value: $1.Value, } } | '"' encaps_list '"' { $$ = &ast.ScalarEncapsed{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenQuoteTkn: $1, Parts: $2, CloseQuoteTkn: $3, } } ; scalar: T_LNUMBER { $$ = &ast.ScalarLnumber{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), NumberTkn: $1, Value: $1.Value, } } | T_DNUMBER { $$ = &ast.ScalarDnumber{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), NumberTkn: $1, Value: $1.Value, } } | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC { $$ = &ast.ScalarHeredoc{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenHeredocTkn: $1, Parts: []ast.Vertex{ &ast.ScalarEncapsedStringPart{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($2), EncapsedStrTkn: $2, Value: $2.Value, }, }, CloseHeredocTkn: $3, } } | T_START_HEREDOC T_END_HEREDOC { $$ = &ast.ScalarHeredoc{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $2), OpenHeredocTkn: $1, CloseHeredocTkn: $2, } } | T_START_HEREDOC encaps_list T_END_HEREDOC { $$ = &ast.ScalarHeredoc{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenHeredocTkn: $1, Parts: $2, CloseHeredocTkn: $3, } } | dereferencable_scalar { $$ = $1 } | class_constant { $$ = $1 } | constant { $$ = $1 } ; class_constant: class_name_or_var T_PAAMAYIM_NEKUDOTAYIM identifier_ex { $$ = &ast.ExprClassConstFetch{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $3), Class: $1, DoubleColonTkn: $2, Const: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($3), IdentifierTkn: $3, Value: $3.Value, }, } } ; constant: name { $$ = yylex.(*Parser).builder.NewConstFetch($1) } | T_LINE { $$ = yylex.(*Parser).builder.NewScalarMagicConstant($1) } | T_FILE { $$ = yylex.(*Parser).builder.NewScalarMagicConstant($1) } | T_DIR { $$ = yylex.(*Parser).builder.NewScalarMagicConstant($1) } | T_TRAIT_C { $$ = yylex.(*Parser).builder.NewScalarMagicConstant($1) } | T_METHOD_C { $$ = yylex.(*Parser).builder.NewScalarMagicConstant($1) } | T_FUNC_C { $$ = yylex.(*Parser).builder.NewScalarMagicConstant($1) } | T_NS_C { $$ = yylex.(*Parser).builder.NewScalarMagicConstant($1) } | T_CLASS_C { $$ = yylex.(*Parser).builder.NewScalarMagicConstant($1) } ; expr: variable { $$ = $1 } | expr_without_variable { $$ = $1 } ; optional_expr: /* empty */ { $$ = nil } | expr { $$ = $1 } ; fully_dereferencable: variable { $$ = $1 } | '(' expr ')' { $$ = yylex.(*Parser).builder.NewBracket($1, $2, $3) } | dereferencable_scalar { $$ = $1 } | class_constant { $$ = $1 } ; array_object_dereferencable: fully_dereferencable { $$ = $1 } | constant { $$ = $1 } ; callable_expr: callable_variable { $$ = $1 } | '(' expr ')' { $$ = yylex.(*Parser).builder.NewBracket($1, $2, $3) } | dereferencable_scalar { $$ = $1 } ; callable_variable: simple_variable { $$ = $1 } | array_object_dereferencable '[' optional_expr ']' { $$ = &ast.ExprArrayDimFetch{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $4), Var: $1, OpenBracketTkn: $2, Dim: $3, CloseBracketTkn: $4, } } | array_object_dereferencable '{' expr '}' { yylex.(*Parser).Error("Array and string offset access syntax with curly braces is no longer supported") $$ = &ast.ExprArrayDimFetch{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $4), Var: $1, OpenBracketTkn: $2, Dim: $3, CloseBracketTkn: $4, } } | array_object_dereferencable T_OBJECT_OPERATOR property_name argument_list { $$ = yylex.(*Parser).builder.NewMethodCall($1, $2, $3, $4) } | array_object_dereferencable T_NULLSAFE_OBJECT_OPERATOR property_name argument_list { $$ = yylex.(*Parser).builder.NewNullsafeMethodCall($1, $2, $3, $4) } | function_call { $$ = $1 } ; variable: callable_variable { $$ = $1 } | static_member { $$ = $1 } | array_object_dereferencable T_OBJECT_OPERATOR property_name { $$ = yylex.(*Parser).builder.NewPropertyFetch($1, $2, $3) } | array_object_dereferencable T_NULLSAFE_OBJECT_OPERATOR property_name { $$ = yylex.(*Parser).builder.NewNullsafePropertyFetch($1, $2, $3) } ; simple_variable: plain_variable { $$ = &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, } } | '$' '{' expr '}' { $$ = &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), DollarTkn: $1, OpenCurlyBracketTkn: $2, Name: $3, CloseCurlyBracketTkn: $4, } } | '$' simple_variable { $$ = &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), DollarTkn: $1, Name: $2, } } ; static_member: class_name_or_var T_PAAMAYIM_NEKUDOTAYIM simple_variable { $$ = &ast.ExprStaticPropertyFetch{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Class: $1, DoubleColonTkn: $2, Prop: $3, } } ; new_variable: simple_variable { $$ = $1 } | new_variable '[' optional_expr ']' { $$ = &ast.ExprArrayDimFetch{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $4), Var: $1, OpenBracketTkn: $2, Dim: $3, CloseBracketTkn: $4, } } | new_variable '{' expr '}' { yylex.(*Parser).Error("Array and string offset access syntax with curly braces is no longer supported") $$ = &ast.ExprArrayDimFetch{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $4), Var: $1, OpenBracketTkn: $2, Dim: $3, CloseBracketTkn: $4, } } | new_variable T_OBJECT_OPERATOR property_name { $$ = yylex.(*Parser).builder.NewPropertyFetch($1, $2, $3) } | new_variable T_NULLSAFE_OBJECT_OPERATOR property_name { $$ = yylex.(*Parser).builder.NewNullsafePropertyFetch($1, $2, $3) } | class_name T_PAAMAYIM_NEKUDOTAYIM simple_variable { $$ = &ast.ExprStaticPropertyFetch{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Class: $1, DoubleColonTkn: $2, Prop: $3, } } | new_variable T_PAAMAYIM_NEKUDOTAYIM simple_variable { $$ = &ast.ExprStaticPropertyFetch{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Class: $1, DoubleColonTkn: $2, Prop: $3, } } ; member_name: identifier_ex { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | '{' expr '}' { $$ = yylex.(*Parser).builder.NewBracket($1, $2, $3) } | simple_variable { $$ = $1 } ; property_name: identifier { $$ = yylex.(*Parser).builder.NewIdentifier($1) } | '{' expr '}' { $$ = yylex.(*Parser).builder.NewBracket($1, $2, $3) } | simple_variable { $$ = $1 } ; array_pair_list: non_empty_array_pair_list { pairList := $1.(*ParserSeparatedList) fistPair := pairList.Items[0].(*ast.ExprArrayItem) if fistPair.Key == nil && fistPair.Val == nil && len(pairList.Items) == 1 { pairList.Items = nil } $$ = $1 } ; possible_array_pair: /* empty */ { $$ = &ast.ExprArrayItem{} } | array_pair { $$ = $1} ; non_empty_array_pair_list: non_empty_array_pair_list ',' possible_array_pair { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } | possible_array_pair { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } ; array_pair: expr T_DOUBLE_ARROW expr { $$ = &ast.ExprArrayItem{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $3), Key: $1, DoubleArrowTkn: $2, Val: $3, } } | expr { $$ = &ast.ExprArrayItem{ Position: yylex.(*Parser).builder.Pos.NewNodePosition($1), Val: $1, } } | expr T_DOUBLE_ARROW '&' variable { $$ = &ast.ExprArrayItem{ Position: yylex.(*Parser).builder.Pos.NewNodesPosition($1, $4), Key: $1, DoubleArrowTkn: $2, AmpersandTkn: $3, Val: $4, } } | '&' variable { $$ = &ast.ExprArrayItem{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), AmpersandTkn: $1, Val: $2, } } | T_ELLIPSIS expr { $$ = &ast.ExprArrayItem{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), EllipsisTkn: $1, Val: $2, } } | expr T_DOUBLE_ARROW T_LIST '(' array_pair_list ')' { $$ = &ast.ExprArrayItem{ Position: yylex.(*Parser).builder.Pos.NewNodeTokenPosition($1, $6), Key: $1, DoubleArrowTkn: $2, Val: &ast.ExprList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($3, $6), ListTkn: $3, OpenBracketTkn: $4, Items: $5.(*ParserSeparatedList).Items, SeparatorTkns: $5.(*ParserSeparatedList).SeparatorTkns, CloseBracketTkn: $6, }, } } | T_LIST '(' array_pair_list ')' { $$ = &ast.ExprArrayItem{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), Val: &ast.ExprList{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), ListTkn: $1, OpenBracketTkn: $2, Items: $3.(*ParserSeparatedList).Items, SeparatorTkns: $3.(*ParserSeparatedList).SeparatorTkns, CloseBracketTkn: $4, }, } } ; encaps_list: encaps_list encaps_var { $$ = append($1, $2) } | encaps_list T_ENCAPSED_AND_WHITESPACE { $$ = append( $1, &ast.ScalarEncapsedStringPart{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($2), EncapsedStrTkn: $2, Value: $2.Value, }, ) } | encaps_var { $$ = []ast.Vertex{$1} } | T_ENCAPSED_AND_WHITESPACE encaps_var { $$ = []ast.Vertex{ &ast.ScalarEncapsedStringPart{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), EncapsedStrTkn: $1, Value: $1.Value, }, $2, } } ; encaps_var: plain_variable { $$ = &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, } } | plain_variable '[' encaps_var_offset ']' { $$ = &ast.ExprArrayDimFetch{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), Var: &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, }, OpenBracketTkn: $2, Dim: $3, CloseBracketTkn: $4, } } | plain_variable T_OBJECT_OPERATOR identifier { $$ = yylex.(*Parser).builder.NewPropertyFetchFromTokens($1, $2, $3) } | plain_variable T_NULLSAFE_OBJECT_OPERATOR identifier { $$ = yylex.(*Parser).builder.NewNullsafePropertyFetchFromTokens($1, $2, $3) } | T_DOLLAR_OPEN_CURLY_BRACES expr '}' { $$ = &ast.ScalarEncapsedStringVar{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), DollarOpenCurlyBracketTkn: $1, Name: $2, CloseCurlyBracketTkn: $3, } } | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '}' { $$ = &ast.ScalarEncapsedStringVar{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), DollarOpenCurlyBracketTkn: $1, Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($2), IdentifierTkn: $2, Value: $2.Value, }, CloseCurlyBracketTkn: $3, } } | T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}' { $$ = &ast.ScalarEncapsedStringVar{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), DollarOpenCurlyBracketTkn: $1, Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($2), IdentifierTkn: $2, Value: $2.Value, }, OpenSquareBracketTkn: $3, Dim: $4, CloseSquareBracketTkn: $5, CloseCurlyBracketTkn: $6, } } | T_CURLY_OPEN variable '}' { $$ = &ast.ScalarEncapsedStringBrackets{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $3), OpenCurlyBracketTkn: $1, Var: $2, CloseCurlyBracketTkn: $3, } } ; encaps_var_offset: identifier { $$ = &ast.ScalarString{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), StringTkn: $1, Value: $1.Value, } } | T_NUM_STRING { // TODO: add option to handle 64 bit integer if _, err := strconv.Atoi(string($1.Value)); err == nil { $$ = &ast.ScalarLnumber{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), NumberTkn: $1, Value: $1.Value, } } else { $$ = &ast.ScalarString{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), StringTkn: $1, Value: $1.Value, } } } | '-' T_NUM_STRING { _, err := strconv.Atoi(string($2.Value)); isInt := err == nil if isInt { $$ = &ast.ExprUnaryMinus{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $2), MinusTkn: $1, Expr: &ast.ScalarLnumber{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($2), NumberTkn: $2, Value: $2.Value, }, } } else { $$ = &ast.ScalarString{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $2), MinusTkn: $1, StringTkn: $2, Value: append([]byte("-"), $2.Value...), } } } | plain_variable { $$ = &ast.ExprVariable{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), Name: &ast.Identifier{ Position: yylex.(*Parser).builder.Pos.NewTokenPosition($1), IdentifierTkn: $1, Value: $1.Value, }, } } ; internal_functions_in_yacc: T_ISSET '(' isset_variables optional_comma ')' { if $4 != nil { $3.(*ParserSeparatedList).SeparatorTkns = append($3.(*ParserSeparatedList).SeparatorTkns, $4) } $$ = &ast.ExprIsset{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $5), IssetTkn: $1, OpenParenthesisTkn: $2, Vars: $3.(*ParserSeparatedList).Items, SeparatorTkns: $3.(*ParserSeparatedList).SeparatorTkns, CloseParenthesisTkn: $5, } } | T_EMPTY '(' expr ')' { $$ = &ast.ExprEmpty{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), EmptyTkn: $1, OpenParenthesisTkn: $2, Expr: $3, CloseParenthesisTkn: $4, } } | T_INCLUDE expr { $$ = &ast.ExprInclude{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), IncludeTkn: $1, Expr: $2, } } | T_INCLUDE_ONCE expr { $$ = &ast.ExprIncludeOnce{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), IncludeOnceTkn: $1, Expr: $2, } } | T_EVAL '(' expr ')' { $$ = &ast.ExprEval{ Position: yylex.(*Parser).builder.Pos.NewTokensPosition($1, $4), EvalTkn: $1, OpenParenthesisTkn: $2, Expr: $3, CloseParenthesisTkn: $4, } } | T_REQUIRE expr { $$ = &ast.ExprRequire{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), RequireTkn: $1, Expr: $2, } } | T_REQUIRE_ONCE expr { $$ = &ast.ExprRequireOnce{ Position: yylex.(*Parser).builder.Pos.NewTokenNodePosition($1, $2), RequireOnceTkn: $1, Expr: $2, } } ; isset_variables: isset_variable { $$ = yylex.(*Parser).builder.NewSeparatedList($1) } | isset_variables ',' isset_variable { $$ = yylex.(*Parser).builder.AppendToSeparatedList($1, $2, $3) } ; isset_variable: expr { $$ = $1 } ; ///////////////////////////////////////////////////////////////////////// %%