diff options
Diffstat (limited to 'vendor/nikic/php-parser/grammar/php5.y')
| -rw-r--r-- | vendor/nikic/php-parser/grammar/php5.y | 1036 |
1 files changed, 0 insertions, 1036 deletions
diff --git a/vendor/nikic/php-parser/grammar/php5.y b/vendor/nikic/php-parser/grammar/php5.y deleted file mode 100644 index a62e9a3..0000000 --- a/vendor/nikic/php-parser/grammar/php5.y +++ /dev/null @@ -1,1036 +0,0 @@ -%pure_parser -%expect 6 - -%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 -; - -semi_reserved: - reserved_non_modifiers - | T_STATIC | T_ABSTRACT | T_FINAL | T_PRIVATE | T_PROTECTED | T_PUBLIC -; - -identifier_ex: - T_STRING { $$ = Node\Identifier[$1]; } - | semi_reserved { $$ = Node\Identifier[$1]; } -; - -identifier: - T_STRING { $$ = Node\Identifier[$1]; } -; - -reserved_non_modifiers_identifier: - reserved_non_modifiers { $$ = Node\Identifier[$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 { $$ = Expr\Variable[parseVar($1)]; } -; - -top_statement: - statement { $$ = $1; } - | function_declaration_statement { $$ = $1; } - | class_declaration_statement { $$ = $1; } - | T_HALT_COMPILER - { $$ = Stmt\HaltCompiler[$this->lexer->handleHaltCompiler()]; } - | T_NAMESPACE namespace_name ';' - { $$ = Stmt\Namespace_[$2, null]; - $$->setAttribute('kind', Stmt\Namespace_::KIND_SEMICOLON); - $this->checkNamespace($$); } - | T_NAMESPACE namespace_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 ';' { $$ = Stmt\Use_[$2, Stmt\Use_::TYPE_NORMAL]; } - | T_USE use_type use_declarations ';' { $$ = Stmt\Use_[$3, $2]; } - | group_use_declaration ';' { $$ = $1; } - | T_CONST constant_declaration_list ';' { $$ = 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: - unprefixed_use_declarations ',' unprefixed_use_declaration - { push($1, $3); } - | unprefixed_use_declaration { init($1); } -; - -use_declarations: - use_declarations ',' use_declaration { push($1, $3); } - | use_declaration { init($1); } -; - -inline_use_declarations: - 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 - { $$ = Stmt\UseUse[$1, $3, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #3); } -; - -use_declaration: - legacy_namespace_name - { $$ = Stmt\UseUse[$1, null, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #1); } - | legacy_namespace_name T_AS identifier - { $$ = Stmt\UseUse[$1, $3, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #3); } -; - -inline_use_declaration: - unprefixed_use_declaration { $$ = $1; $$->type = Stmt\Use_::TYPE_NORMAL; } - | use_type unprefixed_use_declaration { $$ = $2; $$->type = $1; } -; - -constant_declaration_list: - constant_declaration_list ',' constant_declaration { push($1, $3); } - | constant_declaration { init($1); } -; - -constant_declaration: - identifier '=' static_scalar { $$ = Node\Const_[$1, $3]; } -; - -class_const_list: - class_const_list ',' class_const { push($1, $3); } - | class_const { init($1); } -; - -class_const: - identifier_ex '=' static_scalar { $$ = 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($$, $this->startAttributeStack[#1], $this->endAttributes); - if (null === $$) { $$ = array(); } - } - } - | T_IF parentheses_expr statement elseif_list else_single - { $$ = Stmt\If_[$2, ['stmts' => toArray($3), 'elseifs' => $4, 'else' => $5]]; } - | T_IF parentheses_expr ':' inner_statement_list new_elseif_list new_else_single T_ENDIF ';' - { $$ = Stmt\If_[$2, ['stmts' => $4, 'elseifs' => $5, 'else' => $6]]; } - | T_WHILE parentheses_expr while_statement { $$ = Stmt\While_[$2, $3]; } - | T_DO statement T_WHILE parentheses_expr ';' { $$ = Stmt\Do_ [$4, toArray($2)]; } - | T_FOR '(' for_expr ';' for_expr ';' for_expr ')' for_statement - { $$ = Stmt\For_[['init' => $3, 'cond' => $5, 'loop' => $7, 'stmts' => $9]]; } - | T_SWITCH parentheses_expr switch_case_list { $$ = Stmt\Switch_[$2, $3]; } - | T_BREAK ';' { $$ = Stmt\Break_[null]; } - | T_BREAK expr ';' { $$ = Stmt\Break_[$2]; } - | T_CONTINUE ';' { $$ = Stmt\Continue_[null]; } - | T_CONTINUE expr ';' { $$ = Stmt\Continue_[$2]; } - | T_RETURN ';' { $$ = Stmt\Return_[null]; } - | T_RETURN expr ';' { $$ = Stmt\Return_[$2]; } - | T_GLOBAL global_var_list ';' { $$ = Stmt\Global_[$2]; } - | T_STATIC static_var_list ';' { $$ = Stmt\Static_[$2]; } - | T_ECHO expr_list ';' { $$ = Stmt\Echo_[$2]; } - | T_INLINE_HTML { $$ = Stmt\InlineHTML[$1]; } - | yield_expr ';' { $$ = Stmt\Expression[$1]; } - | expr ';' { $$ = Stmt\Expression[$1]; } - | T_UNSET '(' variables_list ')' ';' { $$ = 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_DECLARE '(' declare_list ')' declare_statement { $$ = Stmt\Declare_[$3, $5]; } - | T_TRY '{' inner_statement_list '}' catches optional_finally - { $$ = Stmt\TryCatch[$3, $5, $6]; $this->checkTryCatch($$); } - | T_THROW expr ';' { $$ = Stmt\Throw_[$2]; } - | T_GOTO identifier ';' { $$ = Stmt\Goto_[$2]; } - | identifier ':' { $$ = Stmt\Label[$1]; } - | expr error { $$ = Stmt\Expression[$1]; } - | error { $$ = 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); } -; - -catch: - T_CATCH '(' name plain_variable ')' '{' inner_statement_list '}' - { $$ = Stmt\Catch_[array($3), $4, $7]; } -; - -optional_finally: - /* empty */ { $$ = null; } - | T_FINALLY '{' inner_statement_list '}' { $$ = Stmt\Finally_[$3]; } -; - -variables_list: - variable { init($1); } - | variables_list ',' variable { push($1, $3); } -; - -optional_ref: - /* empty */ { $$ = false; } - | ampersand { $$ = true; } -; - -optional_arg_ref: - /* empty */ { $$ = false; } - | T_AMPERSAND_FOLLOWED_BY_VAR_OR_VARARG { $$ = true; } -; - -optional_ellipsis: - /* empty */ { $$ = false; } - | T_ELLIPSIS { $$ = true; } -; - -function_declaration_statement: - T_FUNCTION optional_ref identifier '(' parameter_list ')' optional_return_type '{' inner_statement_list '}' - { $$ = Stmt\Function_[$3, ['byRef' => $2, 'params' => $5, 'returnType' => $7, 'stmts' => $9]]; } -; - -class_declaration_statement: - class_entry_type identifier extends_from implements_list '{' class_statement_list '}' - { $$ = Stmt\Class_[$2, ['type' => $1, 'extends' => $3, 'implements' => $4, 'stmts' => $6]]; - $this->checkClass($$, #2); } - | T_INTERFACE identifier interface_extends_list '{' class_statement_list '}' - { $$ = Stmt\Interface_[$2, ['extends' => $3, 'stmts' => $5]]; - $this->checkInterface($$, #2); } - | T_TRAIT identifier '{' class_statement_list '}' - { $$ = Stmt\Trait_[$2, ['stmts' => $4]]; } -; - -class_entry_type: - T_CLASS { $$ = 0; } - | T_ABSTRACT T_CLASS { $$ = Stmt\Class_::MODIFIER_ABSTRACT; } - | T_FINAL T_CLASS { $$ = Stmt\Class_::MODIFIER_FINAL; } -; - -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: - class_name { init($1); } - | 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 ';' { $$ = $2; } -; - -declare_list: - declare_list_element { init($1); } - | declare_list ',' declare_list_element { push($1, $3); } -; - -declare_list_element: - identifier '=' static_scalar { $$ = 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: - ':' - | ';' -; - -while_statement: - statement { $$ = toArray($1); } - | ':' inner_statement_list T_ENDWHILE ';' { $$ = $2; } -; - -elseif_list: - /* empty */ { init(); } - | elseif_list elseif { push($1, $2); } -; - -elseif: - T_ELSEIF parentheses_expr statement { $$ = Stmt\ElseIf_[$2, toArray($3)]; } -; - -new_elseif_list: - /* empty */ { init(); } - | new_elseif_list new_elseif { push($1, $2); } -; - -new_elseif: - T_ELSEIF parentheses_expr ':' inner_statement_list { $$ = Stmt\ElseIf_[$2, $4]; } -; - -else_single: - /* empty */ { $$ = null; } - | T_ELSE statement { $$ = Stmt\Else_[toArray($2)]; } -; - -new_else_single: - /* empty */ { $$ = null; } - | T_ELSE ':' inner_statement_list { $$ = Stmt\Else_[$3]; } -; - -foreach_variable: - variable { $$ = array($1, false); } - | ampersand variable { $$ = array($2, true); } - | list_expr { $$ = array($1, false); } -; - -parameter_list: - non_empty_parameter_list { $$ = $1; } - | /* empty */ { $$ = array(); } -; - -non_empty_parameter_list: - parameter { init($1); } - | non_empty_parameter_list ',' parameter { push($1, $3); } -; - -parameter: - optional_param_type optional_arg_ref optional_ellipsis plain_variable - { $$ = Node\Param[$4, null, $1, $2, $3]; $this->checkParam($$); } - | optional_param_type optional_arg_ref optional_ellipsis plain_variable '=' static_scalar - { $$ = Node\Param[$4, $6, $1, $2, $3]; $this->checkParam($$); } -; - -type: - name { $$ = $1; } - | T_ARRAY { $$ = Node\Identifier['array']; } - | T_CALLABLE { $$ = Node\Identifier['callable']; } -; - -optional_param_type: - /* empty */ { $$ = null; } - | type { $$ = $1; } -; - -optional_return_type: - /* empty */ { $$ = null; } - | ':' type { $$ = $2; } -; - -argument_list: - '(' ')' { $$ = array(); } - | '(' non_empty_argument_list ')' { $$ = $2; } - | '(' yield_expr ')' { $$ = array(Node\Arg[$2, false, false]); } -; - -non_empty_argument_list: - argument { init($1); } - | non_empty_argument_list ',' argument { push($1, $3); } -; - -argument: - expr { $$ = Node\Arg[$1, false, false]; } - | ampersand variable { $$ = Node\Arg[$2, true, false]; } - | T_ELLIPSIS expr { $$ = Node\Arg[$2, false, true]; } -; - -global_var_list: - global_var_list ',' global_var { push($1, $3); } - | global_var { init($1); } -; - -global_var: - plain_variable { $$ = $1; } - | '$' variable { $$ = Expr\Variable[$2]; } - | '$' '{' expr '}' { $$ = Expr\Variable[$3]; } -; - -static_var_list: - static_var_list ',' static_var { push($1, $3); } - | static_var { init($1); } -; - -static_var: - plain_variable { $$ = Stmt\StaticVar[$1, null]; } - | plain_variable '=' static_scalar { $$ = Stmt\StaticVar[$1, $3]; } -; - -class_statement_list_ex: - class_statement_list_ex class_statement { if ($2 !== null) { push($1, $2); } } - | /* empty */ { init(); } -; - -class_statement_list: - class_statement_list_ex - { makeZeroLengthNop($nop, $this->lookaheadStartAttributes); - if ($nop !== null) { $1[] = $nop; } $$ = $1; } -; - -class_statement: - variable_modifiers property_declaration_list ';' - { $$ = Stmt\Property[$1, $2]; $this->checkProperty($$, #1); } - | T_CONST class_const_list ';' { $$ = Stmt\ClassConst[$2, 0]; } - | method_modifiers T_FUNCTION optional_ref identifier_ex '(' parameter_list ')' optional_return_type method_body - { $$ = Stmt\ClassMethod[$4, ['type' => $1, 'byRef' => $3, 'params' => $6, 'returnType' => $8, 'stmts' => $9]]; - $this->checkClassMethod($$, #1); } - | T_USE class_name_list trait_adaptations { $$ = Stmt\TraitUse[$2, $3]; } -; - -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 ';' - { $$ = Stmt\TraitUseAdaptation\Precedence[$1[0], $1[1], $3]; } - | trait_method_reference T_AS member_modifier identifier_ex ';' - { $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], $3, $4]; } - | trait_method_reference T_AS member_modifier ';' - { $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], $3, null]; } - | trait_method_reference T_AS identifier ';' - { $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], null, $3]; } - | trait_method_reference T_AS reserved_non_modifiers_identifier ';' - { $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], null, $3]; } -; - -trait_method_reference_fully_qualified: - name T_PAAMAYIM_NEKUDOTAYIM identifier_ex { $$ = array($1, $3); } -; -trait_method_reference: - trait_method_reference_fully_qualified { $$ = $1; } - | identifier_ex { $$ = array(null, $1); } -; - -method_body: - ';' /* abstract method */ { $$ = null; } - | '{' inner_statement_list '}' { $$ = $2; } -; - -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; } -; - -property_declaration_list: - property_declaration { init($1); } - | 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 '=' static_scalar { $$ = Stmt\PropertyProperty[$1, $3]; } -; - -expr_list: - expr_list ',' expr { push($1, $3); } - | expr { init($1); } -; - -for_expr: - /* empty */ { $$ = array(); } - | expr_list { $$ = $1; } -; - -expr: - variable { $$ = $1; } - | list_expr '=' expr { $$ = Expr\Assign[$1, $3]; } - | variable '=' expr { $$ = Expr\Assign[$1, $3]; } - | variable '=' ampersand variable { $$ = Expr\AssignRef[$1, $4]; } - | variable '=' ampersand new_expr { $$ = Expr\AssignRef[$1, $4]; } - | new_expr { $$ = $1; } - | T_CLONE expr { $$ = 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 { $$ = Expr\Instanceof_[$1, $3]; } - | parentheses_expr { $$ = $1; } - /* we need a separate '(' new_expr ')' rule to avoid problems caused by a s/r conflict */ - | '(' new_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 '(' variables_list ')' { $$ = Expr\Isset_[$3]; } - | T_EMPTY '(' expr ')' { $$ = 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 parentheses_expr { $$ = Expr\Eval_[$2]; } - | T_REQUIRE expr { $$ = 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 { $$ = $1; } - | array_expr { $$ = $1; } - | scalar_dereference { $$ = $1; } - | '`' backticks_expr '`' { $$ = Expr\ShellExec[$2]; } - | T_PRINT expr { $$ = Expr\Print_[$2]; } - | T_YIELD { $$ = Expr\Yield_[null, null]; } - | T_YIELD_FROM expr { $$ = Expr\YieldFrom[$2]; } - | T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type - '{' inner_statement_list '}' - { $$ = Expr\Closure[['static' => false, 'byRef' => $2, 'params' => $4, 'uses' => $6, 'returnType' => $7, 'stmts' => $9]]; } - | T_STATIC T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type - '{' inner_statement_list '}' - { $$ = Expr\Closure[['static' => true, 'byRef' => $3, 'params' => $5, 'uses' => $7, 'returnType' => $8, 'stmts' => $10]]; } -; - -parentheses_expr: - '(' expr ')' { $$ = $2; } - | '(' yield_expr ')' { $$ = $2; } -; - -yield_expr: - T_YIELD expr { $$ = Expr\Yield_[$2, null]; } - | T_YIELD expr T_DOUBLE_ARROW expr { $$ = Expr\Yield_[$4, $2]; } -; - -array_expr: - T_ARRAY '(' array_pair_list ')' - { $attrs = attributes(); $attrs['kind'] = Expr\Array_::KIND_LONG; - $$ = new Expr\Array_($3, $attrs); } - | '[' array_pair_list ']' - { $attrs = attributes(); $attrs['kind'] = Expr\Array_::KIND_SHORT; - $$ = new Expr\Array_($2, $attrs); } -; - -scalar_dereference: - array_expr '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - | T_CONSTANT_ENCAPSED_STRING '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[Scalar\String_::fromString($1, attributes()), $3]; } - | constant '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - | scalar_dereference '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - /* alternative array syntax missing intentionally */ -; - -anonymous_class: - T_CLASS ctor_arguments extends_from implements_list '{' class_statement_list '}' - { $$ = array(Stmt\Class_[null, ['type' => 0, 'extends' => $3, 'implements' => $4, 'stmts' => $6]], $2); - $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 ')' { $$ = $3; } -; - -lexical_var_list: - lexical_var { init($1); } - | lexical_var_list ',' lexical_var { push($1, $3); } -; - -lexical_var: - optional_ref plain_variable { $$ = Expr\ClosureUse[$2, $1]; } -; - -function_call: - name argument_list { $$ = Expr\FuncCall[$1, $2]; } - | class_name_or_var T_PAAMAYIM_NEKUDOTAYIM identifier_ex argument_list - { $$ = Expr\StaticCall[$1, $3, $4]; } - | class_name_or_var T_PAAMAYIM_NEKUDOTAYIM '{' expr '}' argument_list - { $$ = Expr\StaticCall[$1, $4, $6]; } - | static_property argument_list - { $$ = $this->fixupPhp5StaticPropCall($1, $2, attributes()); } - | variable_without_objects argument_list - { $$ = Expr\FuncCall[$1, $2]; } - | function_call '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - /* alternative array syntax missing intentionally */ -; - -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 { $$ = $1; } - | dynamic_class_name_reference { $$ = $1; } -; - -dynamic_class_name_reference: - object_access_for_dcnr { $$ = $1; } - | base_variable { $$ = $1; } -; - -class_name_or_var: - class_name { $$ = $1; } - | reference_variable { $$ = $1; } -; - -object_access_for_dcnr: - base_variable T_OBJECT_OPERATOR object_property - { $$ = Expr\PropertyFetch[$1, $3]; } - | object_access_for_dcnr T_OBJECT_OPERATOR object_property - { $$ = Expr\PropertyFetch[$1, $3]; } - | object_access_for_dcnr '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - | object_access_for_dcnr '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; } -; - -exit_expr: - /* empty */ { $$ = null; } - | '(' ')' { $$ = null; } - | parentheses_expr { $$ = $1; } -; - -backticks_expr: - /* empty */ { $$ = array(); } - | T_ENCAPSED_AND_WHITESPACE - { $$ = array(Scalar\EncapsedStringPart[Scalar\String_::parseEscapeSequences($1, '`', false)]); } - | encaps_list { parseEncapsed($1, '`', false); $$ = $1; } -; - -ctor_arguments: - /* empty */ { $$ = array(); } - | argument_list { $$ = $1; } -; - -common_scalar: - T_LNUMBER { $$ = $this->parseLNumber($1, attributes(), true); } - | T_DNUMBER { $$ = Scalar\DNumber::fromString($1, attributes()); } - | T_CONSTANT_ENCAPSED_STRING { $$ = Scalar\String_::fromString($1, attributes(), false); } - | T_LINE { $$ = 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 { $$ = Scalar\MagicConst\Namespace_[]; } - | T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC - { $$ = $this->parseDocString($1, $2, $3, attributes(), stackAttributes(#3), false); } - | T_START_HEREDOC T_END_HEREDOC - { $$ = $this->parseDocString($1, '', $2, attributes(), stackAttributes(#2), false); } -; - -static_scalar: - common_scalar { $$ = $1; } - | class_name T_PAAMAYIM_NEKUDOTAYIM identifier_ex { $$ = Expr\ClassConstFetch[$1, $3]; } - | name { $$ = Expr\ConstFetch[$1]; } - | T_ARRAY '(' static_array_pair_list ')' { $$ = Expr\Array_[$3]; } - | '[' static_array_pair_list ']' { $$ = Expr\Array_[$2]; } - | static_operation { $$ = $1; } -; - -static_operation: - static_scalar T_BOOLEAN_OR static_scalar { $$ = Expr\BinaryOp\BooleanOr [$1, $3]; } - | static_scalar T_BOOLEAN_AND static_scalar { $$ = Expr\BinaryOp\BooleanAnd[$1, $3]; } - | static_scalar T_LOGICAL_OR static_scalar { $$ = Expr\BinaryOp\LogicalOr [$1, $3]; } - | static_scalar T_LOGICAL_AND static_scalar { $$ = Expr\BinaryOp\LogicalAnd[$1, $3]; } - | static_scalar T_LOGICAL_XOR static_scalar { $$ = Expr\BinaryOp\LogicalXor[$1, $3]; } - | static_scalar '|' static_scalar { $$ = Expr\BinaryOp\BitwiseOr [$1, $3]; } - | static_scalar T_AMPERSAND_NOT_FOLLOWED_BY_VAR_OR_VARARG static_scalar - { $$ = Expr\BinaryOp\BitwiseAnd[$1, $3]; } - | static_scalar T_AMPERSAND_FOLLOWED_BY_VAR_OR_VARARG static_scalar - { $$ = Expr\BinaryOp\BitwiseAnd[$1, $3]; } - | static_scalar '^' static_scalar { $$ = Expr\BinaryOp\BitwiseXor[$1, $3]; } - | static_scalar '.' static_scalar { $$ = Expr\BinaryOp\Concat [$1, $3]; } - | static_scalar '+' static_scalar { $$ = Expr\BinaryOp\Plus [$1, $3]; } - | static_scalar '-' static_scalar { $$ = Expr\BinaryOp\Minus [$1, $3]; } - | static_scalar '*' static_scalar { $$ = Expr\BinaryOp\Mul [$1, $3]; } - | static_scalar '/' static_scalar { $$ = Expr\BinaryOp\Div [$1, $3]; } - | static_scalar '%' static_scalar { $$ = Expr\BinaryOp\Mod [$1, $3]; } - | static_scalar T_SL static_scalar { $$ = Expr\BinaryOp\ShiftLeft [$1, $3]; } - | static_scalar T_SR static_scalar { $$ = Expr\BinaryOp\ShiftRight[$1, $3]; } - | static_scalar T_POW static_scalar { $$ = Expr\BinaryOp\Pow [$1, $3]; } - | '+' static_scalar %prec T_INC { $$ = Expr\UnaryPlus [$2]; } - | '-' static_scalar %prec T_INC { $$ = Expr\UnaryMinus[$2]; } - | '!' static_scalar { $$ = Expr\BooleanNot[$2]; } - | '~' static_scalar { $$ = Expr\BitwiseNot[$2]; } - | static_scalar T_IS_IDENTICAL static_scalar { $$ = Expr\BinaryOp\Identical [$1, $3]; } - | static_scalar T_IS_NOT_IDENTICAL static_scalar { $$ = Expr\BinaryOp\NotIdentical [$1, $3]; } - | static_scalar T_IS_EQUAL static_scalar { $$ = Expr\BinaryOp\Equal [$1, $3]; } - | static_scalar T_IS_NOT_EQUAL static_scalar { $$ = Expr\BinaryOp\NotEqual [$1, $3]; } - | static_scalar '<' static_scalar { $$ = Expr\BinaryOp\Smaller [$1, $3]; } - | static_scalar T_IS_SMALLER_OR_EQUAL static_scalar { $$ = Expr\BinaryOp\SmallerOrEqual[$1, $3]; } - | static_scalar '>' static_scalar { $$ = Expr\BinaryOp\Greater [$1, $3]; } - | static_scalar T_IS_GREATER_OR_EQUAL static_scalar { $$ = Expr\BinaryOp\GreaterOrEqual[$1, $3]; } - | static_scalar '?' static_scalar ':' static_scalar { $$ = Expr\Ternary[$1, $3, $5]; } - | static_scalar '?' ':' static_scalar { $$ = Expr\Ternary[$1, null, $4]; } - | static_scalar '[' static_scalar ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - | '(' static_scalar ')' { $$ = $2; } -; - -constant: - name { $$ = Expr\ConstFetch[$1]; } - | class_name_or_var T_PAAMAYIM_NEKUDOTAYIM identifier_ex - { $$ = Expr\ClassConstFetch[$1, $3]; } -; - -scalar: - common_scalar { $$ = $1; } - | constant { $$ = $1; } - | '"' encaps_list '"' - { $attrs = attributes(); $attrs['kind'] = Scalar\String_::KIND_DOUBLE_QUOTED; - parseEncapsed($2, '"', true); $$ = new Scalar\Encapsed($2, $attrs); } - | T_START_HEREDOC encaps_list T_END_HEREDOC - { $$ = $this->parseDocString($1, $2, $3, attributes(), stackAttributes(#3), true); } -; - -static_array_pair_list: - /* empty */ { $$ = array(); } - | non_empty_static_array_pair_list optional_comma { $$ = $1; } -; - -optional_comma: - /* empty */ - | ',' -; - -non_empty_static_array_pair_list: - non_empty_static_array_pair_list ',' static_array_pair { push($1, $3); } - | static_array_pair { init($1); } -; - -static_array_pair: - static_scalar T_DOUBLE_ARROW static_scalar { $$ = Expr\ArrayItem[$3, $1, false]; } - | static_scalar { $$ = Expr\ArrayItem[$1, null, false]; } -; - -variable: - object_access { $$ = $1; } - | base_variable { $$ = $1; } - | function_call { $$ = $1; } - | new_expr_array_deref { $$ = $1; } -; - -new_expr_array_deref: - '(' new_expr ')' '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$2, $5]; } - | new_expr_array_deref '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - /* alternative array syntax missing intentionally */ -; - -object_access: - variable_or_new_expr T_OBJECT_OPERATOR object_property - { $$ = Expr\PropertyFetch[$1, $3]; } - | variable_or_new_expr T_OBJECT_OPERATOR object_property argument_list - { $$ = Expr\MethodCall[$1, $3, $4]; } - | object_access argument_list { $$ = Expr\FuncCall[$1, $2]; } - | object_access '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - | object_access '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; } -; - -variable_or_new_expr: - variable { $$ = $1; } - | '(' new_expr ')' { $$ = $2; } -; - -variable_without_objects: - reference_variable { $$ = $1; } - | '$' variable_without_objects { $$ = Expr\Variable[$2]; } -; - -base_variable: - variable_without_objects { $$ = $1; } - | static_property { $$ = $1; } -; - -static_property: - class_name_or_var T_PAAMAYIM_NEKUDOTAYIM '$' reference_variable - { $$ = Expr\StaticPropertyFetch[$1, $4]; } - | static_property_with_arrays { $$ = $1; } -; - -static_property_simple_name: - T_VARIABLE - { $var = parseVar($1); $$ = \is_string($var) ? Node\VarLikeIdentifier[$var] : $var; } -; - -static_property_with_arrays: - class_name_or_var T_PAAMAYIM_NEKUDOTAYIM static_property_simple_name - { $$ = Expr\StaticPropertyFetch[$1, $3]; } - | class_name_or_var T_PAAMAYIM_NEKUDOTAYIM '$' '{' expr '}' - { $$ = Expr\StaticPropertyFetch[$1, $5]; } - | static_property_with_arrays '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - | static_property_with_arrays '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; } -; - -reference_variable: - reference_variable '[' dim_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; } - | reference_variable '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; } - | plain_variable { $$ = $1; } - | '$' '{' expr '}' { $$ = Expr\Variable[$3]; } -; - -dim_offset: - /* empty */ { $$ = null; } - | expr { $$ = $1; } -; - -object_property: - identifier { $$ = $1; } - | '{' expr '}' { $$ = $2; } - | variable_without_objects { $$ = $1; } - | error { $$ = Expr\Error[]; $this->errorState = 2; } -; - -list_expr: - T_LIST '(' list_expr_elements ')' { $$ = Expr\List_[$3]; } -; - -list_expr_elements: - list_expr_elements ',' list_expr_element { push($1, $3); } - | list_expr_element { init($1); } -; - -list_expr_element: - variable { $$ = Expr\ArrayItem[$1, null, false]; } - | list_expr { $$ = Expr\ArrayItem[$1, null, false]; } - | /* empty */ { $$ = null; } -; - -array_pair_list: - /* empty */ { $$ = array(); } - | non_empty_array_pair_list optional_comma { $$ = $1; } -; - -non_empty_array_pair_list: - non_empty_array_pair_list ',' array_pair { push($1, $3); } - | array_pair { init($1); } -; - -array_pair: - expr T_DOUBLE_ARROW expr { $$ = Expr\ArrayItem[$3, $1, false]; } - | expr { $$ = Expr\ArrayItem[$1, null, false]; } - | expr T_DOUBLE_ARROW ampersand variable { $$ = Expr\ArrayItem[$4, $1, true]; } - | ampersand variable { $$ = Expr\ArrayItem[$2, null, true]; } - | T_ELLIPSIS expr { $$ = Expr\ArrayItem[$2, null, false, attributes(), true]; } -; - -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 { $$ = Expr\PropertyFetch[$1, $3]; } - | T_DOLLAR_OPEN_CURLY_BRACES expr '}' { $$ = 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 { $$ = $this->parseNumString($1, attributes()); } - | plain_variable { $$ = $1; } -; - -%% |