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%pure_parser%expect 2%tokens%%start:top_statement_list { $$ = $this->handleNamespaces($1); };top_statement_list_ex:top_statement_list_ex top_statement { pushNormalizing($1, $2); }| /* empty */ { init(); };top_statement_list:top_statement_list_ex{ makeZeroLengthNop($nop, $this->lookaheadStartAttributes);if ($nop !== null) { $1[] = $nop; } $$ = $1; };ampersand:T_AMPERSAND_FOLLOWED_BY_VAR_OR_VARARG| T_AMPERSAND_NOT_FOLLOWED_BY_VAR_OR_VARARG;reserved_non_modifiers:T_INCLUDE | T_INCLUDE_ONCE | T_EVAL | T_REQUIRE | T_REQUIRE_ONCE | T_LOGICAL_OR | T_LOGICAL_XOR | T_LOGICAL_AND| T_INSTANCEOF | T_NEW | T_CLONE | T_EXIT | T_IF | T_ELSEIF | T_ELSE | T_ENDIF | T_ECHO | T_DO | T_WHILE| T_ENDWHILE | T_FOR | T_ENDFOR | T_FOREACH | T_ENDFOREACH | T_DECLARE | T_ENDDECLARE | T_AS | T_TRY | T_CATCH| T_FINALLY | T_THROW | T_USE | T_INSTEADOF | T_GLOBAL | T_VAR | T_UNSET | T_ISSET | T_EMPTY | T_CONTINUE | T_GOTO| T_FUNCTION | T_CONST | T_RETURN | T_PRINT | T_YIELD | T_LIST | T_SWITCH | T_ENDSWITCH | T_CASE | T_DEFAULT| T_BREAK | T_ARRAY | T_CALLABLE | T_EXTENDS | T_IMPLEMENTS | T_NAMESPACE | T_TRAIT | T_INTERFACE | T_CLASS| T_CLASS_C | T_TRAIT_C | T_FUNC_C | T_METHOD_C | T_LINE | T_FILE | T_DIR | T_NS_C | T_HALT_COMPILER | T_FN| T_MATCH | T_ENUM;semi_reserved:reserved_non_modifiers| T_STATIC | T_ABSTRACT | T_FINAL | T_PRIVATE | T_PROTECTED | T_PUBLIC | T_READONLY;identifier_maybe_reserved:T_STRING { $$ = Node\Identifier[$1]; }| semi_reserved { $$ = Node\Identifier[$1]; };identifier_not_reserved:T_STRING { $$ = Node\Identifier[$1]; };reserved_non_modifiers_identifier:reserved_non_modifiers { $$ = Node\Identifier[$1]; };namespace_declaration_name:T_STRING { $$ = Name[$1]; }| semi_reserved { $$ = Name[$1]; }| T_NAME_QUALIFIED { $$ = Name[$1]; };namespace_name:T_STRING { $$ = Name[$1]; }| T_NAME_QUALIFIED { $$ = Name[$1]; };legacy_namespace_name:namespace_name { $$ = $1; }| T_NAME_FULLY_QUALIFIED { $$ = Name[substr($1, 1)]; };plain_variable:T_VARIABLE { $$ = Expr\Variable[parseVar($1)]; };semi:';' { /* nothing */ }| error { /* nothing */ };no_comma:/* empty */ { /* nothing */ }| ',' { $this->emitError(new Error('A trailing comma is not allowed here', attributes())); };optional_comma:/* empty */| ',';attribute_decl:class_name { $$ = Node\Attribute[$1, []]; }| class_name argument_list { $$ = Node\Attribute[$1, $2]; };attribute_group:attribute_decl { init($1); }| attribute_group ',' attribute_decl { push($1, $3); };attribute:T_ATTRIBUTE attribute_group optional_comma ']' { $$ = Node\AttributeGroup[$2]; };attributes:attribute { init($1); }| attributes attribute { push($1, $2); };optional_attributes:/* empty */ { $$ = []; }| attributes { $$ = $1; };top_statement:statement { $$ = $1; }| function_declaration_statement { $$ = $1; }| class_declaration_statement { $$ = $1; }| T_HALT_COMPILER{ $$ = Stmt\HaltCompiler[$this->lexer->handleHaltCompiler()]; }| T_NAMESPACE namespace_declaration_name semi{ $$ = Stmt\Namespace_[$2, null];$$->setAttribute('kind', Stmt\Namespace_::KIND_SEMICOLON);$this->checkNamespace($$); }| T_NAMESPACE namespace_declaration_name '{' top_statement_list '}'{ $$ = Stmt\Namespace_[$2, $4];$$->setAttribute('kind', Stmt\Namespace_::KIND_BRACED);$this->checkNamespace($$); }| T_NAMESPACE '{' top_statement_list '}'{ $$ = Stmt\Namespace_[null, $3];$$->setAttribute('kind', Stmt\Namespace_::KIND_BRACED);$this->checkNamespace($$); }| T_USE use_declarations semi { $$ = Stmt\Use_[$2, Stmt\Use_::TYPE_NORMAL]; }| T_USE use_type use_declarations semi { $$ = Stmt\Use_[$3, $2]; }| group_use_declaration semi { $$ = $1; }| T_CONST constant_declaration_list semi { $$ = Stmt\Const_[$2]; };use_type:T_FUNCTION { $$ = Stmt\Use_::TYPE_FUNCTION; }| T_CONST { $$ = Stmt\Use_::TYPE_CONSTANT; };group_use_declaration:T_USE use_type legacy_namespace_name T_NS_SEPARATOR '{' unprefixed_use_declarations '}'{ $$ = Stmt\GroupUse[$3, $6, $2]; }| T_USE legacy_namespace_name T_NS_SEPARATOR '{' inline_use_declarations '}'{ $$ = Stmt\GroupUse[$2, $5, Stmt\Use_::TYPE_UNKNOWN]; };unprefixed_use_declarations:non_empty_unprefixed_use_declarations optional_comma { $$ = $1; };non_empty_unprefixed_use_declarations:non_empty_unprefixed_use_declarations ',' unprefixed_use_declaration{ push($1, $3); }| unprefixed_use_declaration { init($1); };use_declarations:non_empty_use_declarations no_comma { $$ = $1; };non_empty_use_declarations:non_empty_use_declarations ',' use_declaration { push($1, $3); }| use_declaration { init($1); };inline_use_declarations:non_empty_inline_use_declarations optional_comma { $$ = $1; };non_empty_inline_use_declarations:non_empty_inline_use_declarations ',' inline_use_declaration{ push($1, $3); }| inline_use_declaration { init($1); };unprefixed_use_declaration:namespace_name{ $$ = Stmt\UseUse[$1, null, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #1); }| namespace_name T_AS identifier_not_reserved{ $$ = Stmt\UseUse[$1, $3, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #3); };use_declaration:legacy_namespace_name{ $$ = Stmt\UseUse[$1, null, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #1); }| legacy_namespace_name T_AS identifier_not_reserved{ $$ = Stmt\UseUse[$1, $3, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #3); };inline_use_declaration:unprefixed_use_declaration { $$ = $1; $$->type = Stmt\Use_::TYPE_NORMAL; }| use_type unprefixed_use_declaration { $$ = $2; $$->type = $1; };constant_declaration_list:non_empty_constant_declaration_list no_comma { $$ = $1; };non_empty_constant_declaration_list:non_empty_constant_declaration_list ',' constant_declaration{ push($1, $3); }| constant_declaration { init($1); };constant_declaration:identifier_not_reserved '=' expr { $$ = Node\Const_[$1, $3]; };class_const_list:non_empty_class_const_list no_comma { $$ = $1; };non_empty_class_const_list:non_empty_class_const_list ',' class_const { push($1, $3); }| class_const { init($1); };class_const:identifier_maybe_reserved '=' expr { $$ = Node\Const_[$1, $3]; };inner_statement_list_ex:inner_statement_list_ex inner_statement { pushNormalizing($1, $2); }| /* empty */ { init(); };inner_statement_list:inner_statement_list_ex{ makeZeroLengthNop($nop, $this->lookaheadStartAttributes);if ($nop !== null) { $1[] = $nop; } $$ = $1; };inner_statement:statement { $$ = $1; }| function_declaration_statement { $$ = $1; }| class_declaration_statement { $$ = $1; }| T_HALT_COMPILER{ throw new Error('__HALT_COMPILER() can only be used from the outermost scope', attributes()); };non_empty_statement:'{' inner_statement_list '}'{if ($2) {$$ = $2; prependLeadingComments($$);} else {makeNop($$, $this->startAttributeStack[#1], $this->endAttributes);if (null === $$) { $$ = array(); }}}| T_IF '(' expr ')' statement elseif_list else_single{ $$ = Stmt\If_[$3, ['stmts' => toArray($5), 'elseifs' => $6, 'else' => $7]]; }| T_IF '(' expr ')' ':' inner_statement_list new_elseif_list new_else_single T_ENDIF ';'{ $$ = Stmt\If_[$3, ['stmts' => $6, 'elseifs' => $7, 'else' => $8]]; }| T_WHILE '(' expr ')' while_statement { $$ = Stmt\While_[$3, $5]; }| T_DO statement T_WHILE '(' expr ')' ';' { $$ = Stmt\Do_ [$5, toArray($2)]; }| T_FOR '(' for_expr ';' for_expr ';' for_expr ')' for_statement{ $$ = Stmt\For_[['init' => $3, 'cond' => $5, 'loop' => $7, 'stmts' => $9]]; }| T_SWITCH '(' expr ')' switch_case_list { $$ = Stmt\Switch_[$3, $5]; }| T_BREAK optional_expr semi { $$ = Stmt\Break_[$2]; }| T_CONTINUE optional_expr semi { $$ = Stmt\Continue_[$2]; }| T_RETURN optional_expr semi { $$ = Stmt\Return_[$2]; }| T_GLOBAL global_var_list semi { $$ = Stmt\Global_[$2]; }| T_STATIC static_var_list semi { $$ = Stmt\Static_[$2]; }| T_ECHO expr_list_forbid_comma semi { $$ = Stmt\Echo_[$2]; }| T_INLINE_HTML { $$ = Stmt\InlineHTML[$1]; }| expr semi {$e = $1;if ($e instanceof Expr\Throw_) {// For backwards-compatibility reasons, convert throw in statement position into// Stmt\Throw_ rather than Stmt\Expression(Expr\Throw_).$$ = Stmt\Throw_[$e->expr];} else {$$ = Stmt\Expression[$e];}}| T_UNSET '(' variables_list ')' semi { $$ = Stmt\Unset_[$3]; }| T_FOREACH '(' expr T_AS foreach_variable ')' foreach_statement{ $$ = Stmt\Foreach_[$3, $5[0], ['keyVar' => null, 'byRef' => $5[1], 'stmts' => $7]]; }| T_FOREACH '(' expr T_AS variable T_DOUBLE_ARROW foreach_variable ')' foreach_statement{ $$ = Stmt\Foreach_[$3, $7[0], ['keyVar' => $5, 'byRef' => $7[1], 'stmts' => $9]]; }| T_FOREACH '(' expr error ')' foreach_statement{ $$ = Stmt\Foreach_[$3, new Expr\Error(stackAttributes(#4)), ['stmts' => $6]]; }| T_DECLARE '(' declare_list ')' declare_statement { $$ = Stmt\Declare_[$3, $5]; }| T_TRY '{' inner_statement_list '}' catches optional_finally{ $$ = Stmt\TryCatch[$3, $5, $6]; $this->checkTryCatch($$); }| T_GOTO identifier_not_reserved semi { $$ = Stmt\Goto_[$2]; }| identifier_not_reserved ':' { $$ = Stmt\Label[$1]; }| error { $$ = array(); /* means: no statement */ };statement:non_empty_statement { $$ = $1; }| ';'{ makeNop($$, $this->startAttributeStack[#1], $this->endAttributes);if ($$ === null) $$ = array(); /* means: no statement */ };catches:/* empty */ { init(); }| catches catch { push($1, $2); };name_union:name { init($1); }| name_union '|' name { push($1, $3); };catch:T_CATCH '(' name_union optional_plain_variable ')' '{' inner_statement_list '}'{ $$ = Stmt\Catch_[$3, $4, $7]; };optional_finally:/* empty */ { $$ = null; }| T_FINALLY '{' inner_statement_list '}' { $$ = Stmt\Finally_[$3]; };variables_list:non_empty_variables_list optional_comma { $$ = $1; };non_empty_variables_list:variable { init($1); }| non_empty_variables_list ',' variable { push($1, $3); };optional_ref:/* empty */ { $$ = false; }| ampersand { $$ = true; };optional_arg_ref:/* empty */ { $$ = false; }| T_AMPERSAND_FOLLOWED_BY_VAR_OR_VARARG { $$ = true; };optional_ellipsis:/* empty */ { $$ = false; }| T_ELLIPSIS { $$ = true; };block_or_error:'{' inner_statement_list '}' { $$ = $2; }| error { $$ = []; };identifier_maybe_readonly:identifier_not_reserved { $$ = $1; }| T_READONLY { $$ = Node\Identifier[$1]; };function_declaration_statement:T_FUNCTION optional_ref identifier_maybe_readonly '(' parameter_list ')' optional_return_type block_or_error{ $$ = Stmt\Function_[$3, ['byRef' => $2, 'params' => $5, 'returnType' => $7, 'stmts' => $8, 'attrGroups' => []]]; }| attributes T_FUNCTION optional_ref identifier_maybe_readonly '(' parameter_list ')' optional_return_type block_or_error{ $$ = Stmt\Function_[$4, ['byRef' => $3, 'params' => $6, 'returnType' => $8, 'stmts' => $9, 'attrGroups' => $1]]; };class_declaration_statement:class_entry_type identifier_not_reserved extends_from implements_list '{' class_statement_list '}'{ $$ = Stmt\Class_[$2, ['type' => $1, 'extends' => $3, 'implements' => $4, 'stmts' => $6, 'attrGroups' => []]];$this->checkClass($$, #2); }| attributes class_entry_type identifier_not_reserved extends_from implements_list '{' class_statement_list '}'{ $$ = Stmt\Class_[$3, ['type' => $2, 'extends' => $4, 'implements' => $5, 'stmts' => $7, 'attrGroups' => $1]];$this->checkClass($$, #3); }| optional_attributes T_INTERFACE identifier_not_reserved interface_extends_list '{' class_statement_list '}'{ $$ = Stmt\Interface_[$3, ['extends' => $4, 'stmts' => $6, 'attrGroups' => $1]];$this->checkInterface($$, #3); }| optional_attributes T_TRAIT identifier_not_reserved '{' class_statement_list '}'{ $$ = Stmt\Trait_[$3, ['stmts' => $5, 'attrGroups' => $1]]; }| optional_attributes T_ENUM identifier_not_reserved enum_scalar_type implements_list '{' class_statement_list '}'{ $$ = Stmt\Enum_[$3, ['scalarType' => $4, 'implements' => $5, 'stmts' => $7, 'attrGroups' => $1]];$this->checkEnum($$, #3); };enum_scalar_type:/* empty */ { $$ = null; }| ':' type { $$ = $2; }enum_case_expr:/* empty */ { $$ = null; }| '=' expr { $$ = $2; };class_entry_type:T_CLASS { $$ = 0; }| class_modifiers T_CLASS { $$ = $1; };class_modifiers:class_modifier { $$ = $1; }| class_modifiers class_modifier { $this->checkClassModifier($1, $2, #2); $$ = $1 | $2; };class_modifier:T_ABSTRACT { $$ = Stmt\Class_::MODIFIER_ABSTRACT; }| T_FINAL { $$ = Stmt\Class_::MODIFIER_FINAL; }| T_READONLY { $$ = Stmt\Class_::MODIFIER_READONLY; };extends_from:/* empty */ { $$ = null; }| T_EXTENDS class_name { $$ = $2; };interface_extends_list:/* empty */ { $$ = array(); }| T_EXTENDS class_name_list { $$ = $2; };implements_list:/* empty */ { $$ = array(); }| T_IMPLEMENTS class_name_list { $$ = $2; };class_name_list:non_empty_class_name_list no_comma { $$ = $1; };non_empty_class_name_list:class_name { init($1); }| non_empty_class_name_list ',' class_name { push($1, $3); };for_statement:statement { $$ = toArray($1); }| ':' inner_statement_list T_ENDFOR ';' { $$ = $2; };foreach_statement:statement { $$ = toArray($1); }| ':' inner_statement_list T_ENDFOREACH ';' { $$ = $2; };declare_statement:non_empty_statement { $$ = toArray($1); }| ';' { $$ = null; }| ':' inner_statement_list T_ENDDECLARE ';' { $$ = $2; };declare_list:non_empty_declare_list no_comma { $$ = $1; };non_empty_declare_list:declare_list_element { init($1); }| non_empty_declare_list ',' declare_list_element { push($1, $3); };declare_list_element:identifier_not_reserved '=' expr { $$ = Stmt\DeclareDeclare[$1, $3]; };switch_case_list:'{' case_list '}' { $$ = $2; }| '{' ';' case_list '}' { $$ = $3; }| ':' case_list T_ENDSWITCH ';' { $$ = $2; }| ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; };case_list:/* empty */ { init(); }| case_list case { push($1, $2); };case:T_CASE expr case_separator inner_statement_list_ex { $$ = Stmt\Case_[$2, $4]; }| T_DEFAULT case_separator inner_statement_list_ex { $$ = Stmt\Case_[null, $3]; };case_separator:':'| ';';match:T_MATCH '(' expr ')' '{' match_arm_list '}' { $$ = Expr\Match_[$3, $6]; };match_arm_list:/* empty */ { $$ = []; }| non_empty_match_arm_list optional_comma { $$ = $1; };non_empty_match_arm_list:match_arm { init($1); }| non_empty_match_arm_list ',' match_arm { push($1, $3); };match_arm:expr_list_allow_comma T_DOUBLE_ARROW expr { $$ = Node\MatchArm[$1, $3]; }| T_DEFAULT optional_comma T_DOUBLE_ARROW expr { $$ = Node\MatchArm[null, $4]; };while_statement:statement { $$ = toArray($1); }| ':' inner_statement_list T_ENDWHILE ';' { $$ = $2; };elseif_list:/* empty */ { init(); }| elseif_list elseif { push($1, $2); };elseif:T_ELSEIF '(' expr ')' statement { $$ = Stmt\ElseIf_[$3, toArray($5)]; };new_elseif_list:/* empty */ { init(); }| new_elseif_list new_elseif { push($1, $2); };new_elseif:T_ELSEIF '(' expr ')' ':' inner_statement_list{ $$ = Stmt\ElseIf_[$3, $6]; $this->fixupAlternativeElse($$); };else_single:/* empty */ { $$ = null; }| T_ELSE statement { $$ = Stmt\Else_[toArray($2)]; };new_else_single:/* empty */ { $$ = null; }| T_ELSE ':' inner_statement_list{ $$ = Stmt\Else_[$3]; $this->fixupAlternativeElse($$); };foreach_variable:variable { $$ = array($1, false); }| ampersand variable { $$ = array($2, true); }| list_expr { $$ = array($1, false); }| array_short_syntax { $$ = array($1, false); };parameter_list:non_empty_parameter_list optional_comma { $$ = $1; }| /* empty */ { $$ = array(); };non_empty_parameter_list:parameter { init($1); }| non_empty_parameter_list ',' parameter { push($1, $3); };optional_property_modifiers:/* empty */ { $$ = 0; }| optional_property_modifiers property_modifier{ $this->checkModifier($1, $2, #2); $$ = $1 | $2; };property_modifier:T_PUBLIC { $$ = Stmt\Class_::MODIFIER_PUBLIC; }| T_PROTECTED { $$ = Stmt\Class_::MODIFIER_PROTECTED; }| T_PRIVATE { $$ = Stmt\Class_::MODIFIER_PRIVATE; }| T_READONLY { $$ = Stmt\Class_::MODIFIER_READONLY; };parameter:optional_attributes optional_property_modifiers optional_type_without_staticoptional_arg_ref optional_ellipsis plain_variable{ $$ = new Node\Param($6, null, $3, $4, $5, attributes(), $2, $1);$this->checkParam($$); }| optional_attributes optional_property_modifiers optional_type_without_staticoptional_arg_ref optional_ellipsis plain_variable '=' expr{ $$ = new Node\Param($6, $8, $3, $4, $5, attributes(), $2, $1);$this->checkParam($$); }| optional_attributes optional_property_modifiers optional_type_without_staticoptional_arg_ref optional_ellipsis error{ $$ = new Node\Param(Expr\Error[], null, $3, $4, $5, attributes(), $2, $1); };type_expr:type { $$ = $1; }| '?' type { $$ = Node\NullableType[$2]; }| union_type { $$ = Node\UnionType[$1]; }| intersection_type { $$ = $1; };type:type_without_static { $$ = $1; }| T_STATIC { $$ = Node\Name['static']; };type_without_static:name { $$ = $this->handleBuiltinTypes($1); }| T_ARRAY { $$ = Node\Identifier['array']; }| T_CALLABLE { $$ = Node\Identifier['callable']; };union_type_element:type { $$ = $1; }| '(' intersection_type ')' { $$ = $2; };union_type:union_type_element '|' union_type_element { init($1, $3); }| union_type '|' union_type_element { push($1, $3); };union_type_without_static_element:type_without_static { $$ = $1; }| '(' intersection_type_without_static ')' { $$ = $2; };union_type_without_static:union_type_without_static_element '|' union_type_without_static_element { init($1, $3); }| union_type_without_static '|' union_type_without_static_element { push($1, $3); };intersection_type_list:type T_AMPERSAND_NOT_FOLLOWED_BY_VAR_OR_VARARG type { init($1, $3); }| intersection_type_list T_AMPERSAND_NOT_FOLLOWED_BY_VAR_OR_VARARG type{ push($1, $3); };intersection_type:intersection_type_list { $$ = Node\IntersectionType[$1]; };intersection_type_without_static_list:type_without_static T_AMPERSAND_NOT_FOLLOWED_BY_VAR_OR_VARARG type_without_static{ init($1, $3); }| intersection_type_without_static_list T_AMPERSAND_NOT_FOLLOWED_BY_VAR_OR_VARARG type_without_static{ push($1, $3); };intersection_type_without_static:intersection_type_without_static_list { $$ = Node\IntersectionType[$1]; };type_expr_without_static:type_without_static { $$ = $1; }| '?' type_without_static { $$ = Node\NullableType[$2]; }| union_type_without_static { $$ = Node\UnionType[$1]; }| intersection_type_without_static { $$ = $1; };optional_type_without_static:/* empty */ { $$ = null; }| type_expr_without_static { $$ = $1; };optional_return_type:/* empty */ { $$ = null; }| ':' type_expr { $$ = $2; }| ':' error { $$ = null; };argument_list:'(' ')' { $$ = array(); }| '(' non_empty_argument_list optional_comma ')' { $$ = $2; }| '(' variadic_placeholder ')' { init($2); };variadic_placeholder:T_ELLIPSIS { $$ = Node\VariadicPlaceholder[]; };non_empty_argument_list:argument { init($1); }| non_empty_argument_list ',' argument { push($1, $3); };argument:expr { $$ = Node\Arg[$1, false, false]; }| ampersand variable { $$ = Node\Arg[$2, true, false]; }| T_ELLIPSIS expr { $$ = Node\Arg[$2, false, true]; }| identifier_maybe_reserved ':' expr{ $$ = new Node\Arg($3, false, false, attributes(), $1); };global_var_list:non_empty_global_var_list no_comma { $$ = $1; };non_empty_global_var_list:non_empty_global_var_list ',' global_var { push($1, $3); }| global_var { init($1); };global_var:simple_variable { $$ = $1; };static_var_list:non_empty_static_var_list no_comma { $$ = $1; };non_empty_static_var_list:non_empty_static_var_list ',' static_var { push($1, $3); }| static_var { init($1); };static_var:plain_variable { $$ = Stmt\StaticVar[$1, null]; }| plain_variable '=' expr { $$ = Stmt\StaticVar[$1, $3]; };class_statement_list_ex:class_statement_list_ex class_statement { if ($2 !== null) { push($1, $2); } }| /* empty */ { init(); };class_statement_list:class_statement_list_ex{ makeZeroLengthNop($nop, $this->lookaheadStartAttributes);if ($nop !== null) { $1[] = $nop; } $$ = $1; };class_statement:optional_attributes variable_modifiers optional_type_without_static property_declaration_list semi{ $$ = new Stmt\Property($2, $4, attributes(), $3, $1);$this->checkProperty($$, #2); }| optional_attributes method_modifiers T_CONST class_const_list semi{ $$ = new Stmt\ClassConst($4, $2, attributes(), $1);$this->checkClassConst($$, #2); }| optional_attributes method_modifiers T_FUNCTION optional_ref identifier_maybe_reserved '(' parameter_list ')'optional_return_type method_body{ $$ = Stmt\ClassMethod[$5, ['type' => $2, 'byRef' => $4, 'params' => $7, 'returnType' => $9, 'stmts' => $10, 'attrGroups' => $1]];$this->checkClassMethod($$, #2); }| T_USE class_name_list trait_adaptations { $$ = Stmt\TraitUse[$2, $3]; }| optional_attributes T_CASE identifier_maybe_reserved enum_case_expr semi{ $$ = Stmt\EnumCase[$3, $4, $1]; }| error { $$ = null; /* will be skipped */ };trait_adaptations:';' { $$ = array(); }| '{' trait_adaptation_list '}' { $$ = $2; };trait_adaptation_list:/* empty */ { init(); }| trait_adaptation_list trait_adaptation { push($1, $2); };trait_adaptation:trait_method_reference_fully_qualified T_INSTEADOF class_name_list ';'{ $$ = Stmt\TraitUseAdaptation\Precedence[$1[0], $1[1], $3]; }| trait_method_reference T_AS member_modifier identifier_maybe_reserved ';'{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], $3, $4]; }| trait_method_reference T_AS member_modifier ';'{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], $3, null]; }| trait_method_reference T_AS identifier_not_reserved ';'{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], null, $3]; }| trait_method_reference T_AS reserved_non_modifiers_identifier ';'{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], null, $3]; };trait_method_reference_fully_qualified:name T_PAAMAYIM_NEKUDOTAYIM identifier_maybe_reserved { $$ = array($1, $3); };trait_method_reference:trait_method_reference_fully_qualified { $$ = $1; }| identifier_maybe_reserved { $$ = array(null, $1); };method_body:';' /* abstract method */ { $$ = null; }| block_or_error { $$ = $1; };variable_modifiers:non_empty_member_modifiers { $$ = $1; }| T_VAR { $$ = 0; };method_modifiers:/* empty */ { $$ = 0; }| non_empty_member_modifiers { $$ = $1; };non_empty_member_modifiers:member_modifier { $$ = $1; }| non_empty_member_modifiers member_modifier { $this->checkModifier($1, $2, #2); $$ = $1 | $2; };member_modifier:T_PUBLIC { $$ = Stmt\Class_::MODIFIER_PUBLIC; }| T_PROTECTED { $$ = Stmt\Class_::MODIFIER_PROTECTED; }| T_PRIVATE { $$ = Stmt\Class_::MODIFIER_PRIVATE; }| T_STATIC { $$ = Stmt\Class_::MODIFIER_STATIC; }| T_ABSTRACT { $$ = Stmt\Class_::MODIFIER_ABSTRACT; }| T_FINAL { $$ = Stmt\Class_::MODIFIER_FINAL; }| T_READONLY { $$ = Stmt\Class_::MODIFIER_READONLY; };property_declaration_list:non_empty_property_declaration_list no_comma { $$ = $1; };non_empty_property_declaration_list:property_declaration { init($1); }| non_empty_property_declaration_list ',' property_declaration{ push($1, $3); };property_decl_name:T_VARIABLE { $$ = Node\VarLikeIdentifier[parseVar($1)]; };property_declaration:property_decl_name { $$ = Stmt\PropertyProperty[$1, null]; }| property_decl_name '=' expr { $$ = Stmt\PropertyProperty[$1, $3]; };expr_list_forbid_comma:non_empty_expr_list no_comma { $$ = $1; };expr_list_allow_comma:non_empty_expr_list optional_comma { $$ = $1; };non_empty_expr_list:non_empty_expr_list ',' expr { push($1, $3); }| expr { init($1); };for_expr:/* empty */ { $$ = array(); }| expr_list_forbid_comma { $$ = $1; };expr:variable { $$ = $1; }| list_expr '=' expr { $$ = Expr\Assign[$1, $3]; }| array_short_syntax '=' expr { $$ = Expr\Assign[$1, $3]; }| variable '=' expr { $$ = Expr\Assign[$1, $3]; }| variable '=' ampersand variable { $$ = Expr\AssignRef[$1, $4]; }| new_expr { $$ = $1; }| match { $$ = $1; }| T_CLONE expr { $$ = Expr\Clone_[$2]; }| variable T_PLUS_EQUAL expr { $$ = Expr\AssignOp\Plus [$1, $3]; }| variable T_MINUS_EQUAL expr { $$ = Expr\AssignOp\Minus [$1, $3]; }| variable T_MUL_EQUAL expr { $$ = Expr\AssignOp\Mul [$1, $3]; }| variable T_DIV_EQUAL expr { $$ = Expr\AssignOp\Div [$1, $3]; }| variable T_CONCAT_EQUAL expr { $$ = Expr\AssignOp\Concat [$1, $3]; }| variable T_MOD_EQUAL expr { $$ = Expr\AssignOp\Mod [$1, $3]; }| variable T_AND_EQUAL expr { $$ = Expr\AssignOp\BitwiseAnd[$1, $3]; }| variable T_OR_EQUAL expr { $$ = Expr\AssignOp\BitwiseOr [$1, $3]; }| variable T_XOR_EQUAL expr { $$ = Expr\AssignOp\BitwiseXor[$1, $3]; }| variable T_SL_EQUAL expr { $$ = Expr\AssignOp\ShiftLeft [$1, $3]; }| variable T_SR_EQUAL expr { $$ = Expr\AssignOp\ShiftRight[$1, $3]; }| variable T_POW_EQUAL expr { $$ = Expr\AssignOp\Pow [$1, $3]; }| variable T_COALESCE_EQUAL expr { $$ = Expr\AssignOp\Coalesce [$1, $3]; }| variable T_INC { $$ = Expr\PostInc[$1]; }| T_INC variable { $$ = Expr\PreInc [$2]; }| variable T_DEC { $$ = Expr\PostDec[$1]; }| T_DEC variable { $$ = Expr\PreDec [$2]; }| expr T_BOOLEAN_OR expr { $$ = Expr\BinaryOp\BooleanOr [$1, $3]; }| expr T_BOOLEAN_AND expr { $$ = Expr\BinaryOp\BooleanAnd[$1, $3]; }| expr T_LOGICAL_OR expr { $$ = Expr\BinaryOp\LogicalOr [$1, $3]; }| expr T_LOGICAL_AND expr { $$ = Expr\BinaryOp\LogicalAnd[$1, $3]; }| expr T_LOGICAL_XOR expr { $$ = Expr\BinaryOp\LogicalXor[$1, $3]; }| expr '|' expr { $$ = Expr\BinaryOp\BitwiseOr [$1, $3]; }| expr T_AMPERSAND_NOT_FOLLOWED_BY_VAR_OR_VARARG expr { $$ = Expr\BinaryOp\BitwiseAnd[$1, $3]; }| expr T_AMPERSAND_FOLLOWED_BY_VAR_OR_VARARG expr { $$ = Expr\BinaryOp\BitwiseAnd[$1, $3]; }| expr '^' expr { $$ = Expr\BinaryOp\BitwiseXor[$1, $3]; }| expr '.' expr { $$ = Expr\BinaryOp\Concat [$1, $3]; }| expr '+' expr { $$ = Expr\BinaryOp\Plus [$1, $3]; }| expr '-' expr { $$ = Expr\BinaryOp\Minus [$1, $3]; }| expr '*' expr { $$ = Expr\BinaryOp\Mul [$1, $3]; }| expr '/' expr { $$ = Expr\BinaryOp\Div [$1, $3]; }| expr '%' expr { $$ = Expr\BinaryOp\Mod [$1, $3]; }| expr T_SL expr { $$ = Expr\BinaryOp\ShiftLeft [$1, $3]; }| expr T_SR expr { $$ = Expr\BinaryOp\ShiftRight[$1, $3]; }| expr T_POW expr { $$ = Expr\BinaryOp\Pow [$1, $3]; }| '+' expr %prec T_INC { $$ = Expr\UnaryPlus [$2]; }| '-' expr %prec T_INC { $$ = Expr\UnaryMinus[$2]; }| '!' expr { $$ = Expr\BooleanNot[$2]; }| '~' expr { $$ = Expr\BitwiseNot[$2]; }| expr T_IS_IDENTICAL expr { $$ = Expr\BinaryOp\Identical [$1, $3]; }| expr T_IS_NOT_IDENTICAL expr { $$ = Expr\BinaryOp\NotIdentical [$1, $3]; }| expr T_IS_EQUAL expr { $$ = Expr\BinaryOp\Equal [$1, $3]; }| expr T_IS_NOT_EQUAL expr { $$ = Expr\BinaryOp\NotEqual [$1, $3]; }| expr T_SPACESHIP expr { $$ = Expr\BinaryOp\Spaceship [$1, $3]; }| expr '<' expr { $$ = Expr\BinaryOp\Smaller [$1, $3]; }| expr T_IS_SMALLER_OR_EQUAL expr { $$ = Expr\BinaryOp\SmallerOrEqual[$1, $3]; }| expr '>' expr { $$ = Expr\BinaryOp\Greater [$1, $3]; }| expr T_IS_GREATER_OR_EQUAL expr { $$ = Expr\BinaryOp\GreaterOrEqual[$1, $3]; }| expr T_INSTANCEOF class_name_reference { $$ = Expr\Instanceof_[$1, $3]; }| '(' expr ')' { $$ = $2; }| expr '?' expr ':' expr { $$ = Expr\Ternary[$1, $3, $5]; }| expr '?' ':' expr { $$ = Expr\Ternary[$1, null, $4]; }| expr T_COALESCE expr { $$ = Expr\BinaryOp\Coalesce[$1, $3]; }| T_ISSET '(' expr_list_allow_comma ')' { $$ = Expr\Isset_[$3]; }| T_EMPTY '(' expr ')' { $$ = Expr\Empty_[$3]; }| T_INCLUDE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_INCLUDE]; }| T_INCLUDE_ONCE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_INCLUDE_ONCE]; }| T_EVAL '(' expr ')' { $$ = Expr\Eval_[$3]; }| T_REQUIRE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_REQUIRE]; }| T_REQUIRE_ONCE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_REQUIRE_ONCE]; }| T_INT_CAST expr { $$ = Expr\Cast\Int_ [$2]; }| T_DOUBLE_CAST expr{ $attrs = attributes();$attrs['kind'] = $this->getFloatCastKind($1);$$ = new Expr\Cast\Double($2, $attrs); }| T_STRING_CAST expr { $$ = Expr\Cast\String_ [$2]; }| T_ARRAY_CAST expr { $$ = Expr\Cast\Array_ [$2]; }| T_OBJECT_CAST expr { $$ = Expr\Cast\Object_ [$2]; }| T_BOOL_CAST expr { $$ = Expr\Cast\Bool_ [$2]; }| T_UNSET_CAST expr { $$ = Expr\Cast\Unset_ [$2]; }| T_EXIT exit_expr{ $attrs = attributes();$attrs['kind'] = strtolower($1) === 'exit' ? Expr\Exit_::KIND_EXIT : Expr\Exit_::KIND_DIE;$$ = new Expr\Exit_($2, $attrs); }| '@' expr { $$ = Expr\ErrorSuppress[$2]; }| scalar { $$ = $1; }| '`' backticks_expr '`' { $$ = Expr\ShellExec[$2]; }| T_PRINT expr { $$ = Expr\Print_[$2]; }| T_YIELD { $$ = Expr\Yield_[null, null]; }| T_YIELD expr { $$ = Expr\Yield_[$2, null]; }| T_YIELD expr T_DOUBLE_ARROW expr { $$ = Expr\Yield_[$4, $2]; }| T_YIELD_FROM expr { $$ = Expr\YieldFrom[$2]; }| T_THROW expr { $$ = Expr\Throw_[$2]; }| T_FN optional_ref '(' parameter_list ')' optional_return_type T_DOUBLE_ARROW expr %prec T_THROW{ $$ = Expr\ArrowFunction[['static' => false, 'byRef' => $2, 'params' => $4, 'returnType' => $6, 'expr' => $8, 'attrGroups' => []]]; }| T_STATIC T_FN optional_ref '(' parameter_list ')' optional_return_type T_DOUBLE_ARROW expr %prec T_THROW{ $$ = Expr\ArrowFunction[['static' => true, 'byRef' => $3, 'params' => $5, 'returnType' => $7, 'expr' => $9, 'attrGroups' => []]]; }| T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type block_or_error{ $$ = Expr\Closure[['static' => false, 'byRef' => $2, 'params' => $4, 'uses' => $6, 'returnType' => $7, 'stmts' => $8, 'attrGroups' => []]]; }| T_STATIC T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type block_or_error{ $$ = Expr\Closure[['static' => true, 'byRef' => $3, 'params' => $5, 'uses' => $7, 'returnType' => $8, 'stmts' => $9, 'attrGroups' => []]]; }| attributes T_FN optional_ref '(' parameter_list ')' optional_return_type T_DOUBLE_ARROW expr %prec T_THROW{ $$ = Expr\ArrowFunction[['static' => false, 'byRef' => $3, 'params' => $5, 'returnType' => $7, 'expr' => $9, 'attrGroups' => $1]]; }| attributes T_STATIC T_FN optional_ref '(' parameter_list ')' optional_return_type T_DOUBLE_ARROW expr %prec T_THROW{ $$ = Expr\ArrowFunction[['static' => true, 'byRef' => $4, 'params' => $6, 'returnType' => $8, 'expr' => $10, 'attrGroups' => $1]]; }| attributes T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type block_or_error{ $$ = Expr\Closure[['static' => false, 'byRef' => $3, 'params' => $5, 'uses' => $7, 'returnType' => $8, 'stmts' => $9, 'attrGroups' => $1]]; }| attributes T_STATIC T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type block_or_error{ $$ = Expr\Closure[['static' => true, 'byRef' => $4, 'params' => $6, 'uses' => $8, 'returnType' => $9, 'stmts' => $10, 'attrGroups' => $1]]; };anonymous_class:optional_attributes T_CLASS ctor_arguments extends_from implements_list '{' class_statement_list '}'{ $$ = array(Stmt\Class_[null, ['type' => 0, 'extends' => $4, 'implements' => $5, 'stmts' => $7, 'attrGroups' => $1]], $3);$this->checkClass($$[0], -1); };new_expr:T_NEW class_name_reference ctor_arguments { $$ = Expr\New_[$2, $3]; }| T_NEW anonymous_class{ list($class, $ctorArgs) = $2; $$ = Expr\New_[$class, $ctorArgs]; };lexical_vars:/* empty */ { $$ = array(); }| T_USE '(' lexical_var_list ')' { $$ = $3; };lexical_var_list:non_empty_lexical_var_list optional_comma { $$ = $1; };non_empty_lexical_var_list:lexical_var { init($1); }| non_empty_lexical_var_list ',' lexical_var { push($1, $3); };lexical_var:optional_ref plain_variable { $$ = Expr\ClosureUse[$2, $1]; };name_readonly:T_READONLY { $$ = Name[$1]; };function_call:name argument_list { $$ = Expr\FuncCall[$1, $2]; }| name_readonly argument_list { $$ = Expr\FuncCall[$1, $2]; }| callable_expr argument_list { $$ = Expr\FuncCall[$1, $2]; }| class_name_or_var T_PAAMAYIM_NEKUDOTAYIM member_name argument_list{ $$ = Expr\StaticCall[$1, $3, $4]; };class_name:T_STATIC { $$ = Name[$1]; }| name { $$ = $1; };name:T_STRING { $$ = Name[$1]; }| T_NAME_QUALIFIED { $$ = Name[$1]; }| T_NAME_FULLY_QUALIFIED { $$ = Name\FullyQualified[substr($1, 1)]; }| T_NAME_RELATIVE { $$ = Name\Relative[substr($1, 10)]; };class_name_reference:class_name { $$ = $1; }| new_variable { $$ = $1; }| '(' expr ')' { $$ = $2; }| error { $$ = Expr\Error[]; $this->errorState = 2; };class_name_or_var:class_name { $$ = $1; }| fully_dereferencable { $$ = $1; };exit_expr:/* empty */ { $$ = null; }| '(' optional_expr ')' { $$ = $2; };backticks_expr:/* empty */ { $$ = array(); }| T_ENCAPSED_AND_WHITESPACE{ $$ = array(Scalar\EncapsedStringPart[Scalar\String_::parseEscapeSequences($1, '`')]); }| encaps_list { parseEncapsed($1, '`', true); $$ = $1; };ctor_arguments:/* empty */ { $$ = array(); }| argument_list { $$ = $1; };constant:name { $$ = Expr\ConstFetch[$1]; }| T_LINE { $$ = Scalar\MagicConst\Line[]; }| T_FILE { $$ = Scalar\MagicConst\File[]; }| T_DIR { $$ = Scalar\MagicConst\Dir[]; }| T_CLASS_C { $$ = Scalar\MagicConst\Class_[]; }| T_TRAIT_C { $$ = Scalar\MagicConst\Trait_[]; }| T_METHOD_C { $$ = Scalar\MagicConst\Method[]; }| T_FUNC_C { $$ = Scalar\MagicConst\Function_[]; }| T_NS_C { $$ = Scalar\MagicConst\Namespace_[]; };class_constant:class_name_or_var T_PAAMAYIM_NEKUDOTAYIM identifier_maybe_reserved{ $$ = Expr\ClassConstFetch[$1, $3]; }/* We interpret an isolated FOO:: as an unfinished class constant fetch. It could also bean unfinished static property fetch or unfinished scoped call. */| class_name_or_var T_PAAMAYIM_NEKUDOTAYIM error{ $$ = Expr\ClassConstFetch[$1, new Expr\Error(stackAttributes(#3))]; $this->errorState = 2; };array_short_syntax:'[' array_pair_list ']'{ $attrs = attributes(); $attrs['kind'] = Expr\Array_::KIND_SHORT;$$ = new Expr\Array_($2, $attrs); };dereferencable_scalar:T_ARRAY '(' array_pair_list ')'{ $attrs = attributes(); $attrs['kind'] = Expr\Array_::KIND_LONG;$$ = new Expr\Array_($3, $attrs); }| array_short_syntax { $$ = $1; }| T_CONSTANT_ENCAPSED_STRING { $$ = Scalar\String_::fromString($1, attributes()); }| '"' encaps_list '"'{ $attrs = attributes(); $attrs['kind'] = Scalar\String_::KIND_DOUBLE_QUOTED;parseEncapsed($2, '"', true); $$ = new Scalar\Encapsed($2, $attrs); };scalar:T_LNUMBER { $$ = $this->parseLNumber($1, attributes()); }| T_DNUMBER { $$ = Scalar\DNumber::fromString($1, attributes()); }| dereferencable_scalar { $$ = $1; }| constant { $$ = $1; }| class_constant { $$ = $1; }| T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC{ $$ = $this->parseDocString($1, $2, $3, attributes(), stackAttributes(#3), true); }| T_START_HEREDOC T_END_HEREDOC{ $$ = $this->parseDocString($1, '', $2, attributes(), stackAttributes(#2), true); }| T_START_HEREDOC encaps_list T_END_HEREDOC{ $$ = $this->parseDocString($1, $2, $3, attributes(), stackAttributes(#3), true); };optional_expr:/* empty */ { $$ = null; }| expr { $$ = $1; };fully_dereferencable:variable { $$ = $1; }| '(' expr ')' { $$ = $2; }| dereferencable_scalar { $$ = $1; }| class_constant { $$ = $1; };array_object_dereferencable:fully_dereferencable { $$ = $1; }| constant { $$ = $1; };callable_expr:callable_variable { $$ = $1; }| '(' expr ')' { $$ = $2; }| dereferencable_scalar { $$ = $1; };callable_variable:simple_variable { $$ = $1; }| array_object_dereferencable '[' optional_expr ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }| array_object_dereferencable '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; }| function_call { $$ = $1; }| array_object_dereferencable T_OBJECT_OPERATOR property_name argument_list{ $$ = Expr\MethodCall[$1, $3, $4]; }| array_object_dereferencable T_NULLSAFE_OBJECT_OPERATOR property_name argument_list{ $$ = Expr\NullsafeMethodCall[$1, $3, $4]; };optional_plain_variable:/* empty */ { $$ = null; }| plain_variable { $$ = $1; };variable:callable_variable { $$ = $1; }| static_member { $$ = $1; }| array_object_dereferencable T_OBJECT_OPERATOR property_name{ $$ = Expr\PropertyFetch[$1, $3]; }| array_object_dereferencable T_NULLSAFE_OBJECT_OPERATOR property_name{ $$ = Expr\NullsafePropertyFetch[$1, $3]; };simple_variable:plain_variable { $$ = $1; }| '$' '{' expr '}' { $$ = Expr\Variable[$3]; }| '$' simple_variable { $$ = Expr\Variable[$2]; }| '$' error { $$ = Expr\Variable[Expr\Error[]]; $this->errorState = 2; };static_member_prop_name:simple_variable{ $var = $1->name; $$ = \is_string($var) ? Node\VarLikeIdentifier[$var] : $var; };static_member:class_name_or_var T_PAAMAYIM_NEKUDOTAYIM static_member_prop_name{ $$ = Expr\StaticPropertyFetch[$1, $3]; };new_variable:simple_variable { $$ = $1; }| new_variable '[' optional_expr ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }| new_variable '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; }| new_variable T_OBJECT_OPERATOR property_name { $$ = Expr\PropertyFetch[$1, $3]; }| new_variable T_NULLSAFE_OBJECT_OPERATOR property_name { $$ = Expr\NullsafePropertyFetch[$1, $3]; }| class_name T_PAAMAYIM_NEKUDOTAYIM static_member_prop_name{ $$ = Expr\StaticPropertyFetch[$1, $3]; }| new_variable T_PAAMAYIM_NEKUDOTAYIM static_member_prop_name{ $$ = Expr\StaticPropertyFetch[$1, $3]; };member_name:identifier_maybe_reserved { $$ = $1; }| '{' expr '}' { $$ = $2; }| simple_variable { $$ = $1; };property_name:identifier_not_reserved { $$ = $1; }| '{' expr '}' { $$ = $2; }| simple_variable { $$ = $1; }| error { $$ = Expr\Error[]; $this->errorState = 2; };list_expr:T_LIST '(' inner_array_pair_list ')' { $$ = Expr\List_[$3]; };array_pair_list:inner_array_pair_list{ $$ = $1; $end = count($$)-1; if ($$[$end] === null) array_pop($$); };comma_or_error:','| error{ /* do nothing -- prevent default action of $$=$1. See #551. */ };inner_array_pair_list:inner_array_pair_list comma_or_error array_pair { push($1, $3); }| array_pair { init($1); };array_pair:expr { $$ = Expr\ArrayItem[$1, null, false]; }| ampersand variable { $$ = Expr\ArrayItem[$2, null, true]; }| list_expr { $$ = Expr\ArrayItem[$1, null, false]; }| expr T_DOUBLE_ARROW expr { $$ = Expr\ArrayItem[$3, $1, false]; }| expr T_DOUBLE_ARROW ampersand variable { $$ = Expr\ArrayItem[$4, $1, true]; }| expr T_DOUBLE_ARROW list_expr { $$ = Expr\ArrayItem[$3, $1, false]; }| T_ELLIPSIS expr { $$ = Expr\ArrayItem[$2, null, false, attributes(), true]; }| /* empty */ { $$ = null; };encaps_list:encaps_list encaps_var { push($1, $2); }| encaps_list encaps_string_part { push($1, $2); }| encaps_var { init($1); }| encaps_string_part encaps_var { init($1, $2); };encaps_string_part:T_ENCAPSED_AND_WHITESPACE { $$ = Scalar\EncapsedStringPart[$1]; };encaps_str_varname:T_STRING_VARNAME { $$ = Expr\Variable[$1]; };encaps_var:plain_variable { $$ = $1; }| plain_variable '[' encaps_var_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }| plain_variable T_OBJECT_OPERATOR identifier_not_reserved{ $$ = Expr\PropertyFetch[$1, $3]; }| plain_variable T_NULLSAFE_OBJECT_OPERATOR identifier_not_reserved{ $$ = Expr\NullsafePropertyFetch[$1, $3]; }| T_DOLLAR_OPEN_CURLY_BRACES expr '}' { $$ = Expr\Variable[$2]; }| T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '}' { $$ = Expr\Variable[$2]; }| T_DOLLAR_OPEN_CURLY_BRACES encaps_str_varname '[' expr ']' '}'{ $$ = Expr\ArrayDimFetch[$2, $4]; }| T_CURLY_OPEN variable '}' { $$ = $2; };encaps_var_offset:T_STRING { $$ = Scalar\String_[$1]; }| T_NUM_STRING { $$ = $this->parseNumString($1, attributes()); }| '-' T_NUM_STRING { $$ = $this->parseNumString('-' . $2, attributes()); }| plain_variable { $$ = $1; };%%