mirror of
https://github.com/phabelio/PHP-Parser.git
synced 2024-11-30 04:29:15 +01:00
7284a4d019
This was split to work around the attribute assignment bug fixed in the previous commit, and as such is no longer necessary.
1139 lines
52 KiB
Plaintext
1139 lines
52 KiB
Plaintext
%pure_parser
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%expect 2
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%tokens
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%%
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start:
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top_statement_list { $$ = $this->handleNamespaces($1); }
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;
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top_statement_list_ex:
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top_statement_list_ex top_statement { pushNormalizing($1, $2); }
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| /* empty */ { init(); }
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;
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top_statement_list:
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top_statement_list_ex
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{ makeZeroLengthNop($nop, $this->lookaheadStartAttributes);
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if ($nop !== null) { $1[] = $nop; } $$ = $1; }
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;
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reserved_non_modifiers:
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T_INCLUDE | T_INCLUDE_ONCE | T_EVAL | T_REQUIRE | T_REQUIRE_ONCE | T_LOGICAL_OR | T_LOGICAL_XOR | T_LOGICAL_AND
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| T_INSTANCEOF | T_NEW | T_CLONE | T_EXIT | T_IF | T_ELSEIF | T_ELSE | T_ENDIF | T_ECHO | T_DO | T_WHILE
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| T_ENDWHILE | T_FOR | T_ENDFOR | T_FOREACH | T_ENDFOREACH | T_DECLARE | T_ENDDECLARE | T_AS | T_TRY | T_CATCH
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| T_FINALLY | T_THROW | T_USE | T_INSTEADOF | T_GLOBAL | T_VAR | T_UNSET | T_ISSET | T_EMPTY | T_CONTINUE | T_GOTO
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| T_FUNCTION | T_CONST | T_RETURN | T_PRINT | T_YIELD | T_LIST | T_SWITCH | T_ENDSWITCH | T_CASE | T_DEFAULT
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| T_BREAK | T_ARRAY | T_CALLABLE | T_EXTENDS | T_IMPLEMENTS | T_NAMESPACE | T_TRAIT | T_INTERFACE | T_CLASS
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| 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
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| T_MATCH
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;
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semi_reserved:
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reserved_non_modifiers
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| T_STATIC | T_ABSTRACT | T_FINAL | T_PRIVATE | T_PROTECTED | T_PUBLIC
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;
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identifier_ex:
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T_STRING { $$ = Node\Identifier[$1]; }
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| semi_reserved { $$ = Node\Identifier[$1]; }
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;
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identifier:
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T_STRING { $$ = Node\Identifier[$1]; }
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;
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reserved_non_modifiers_identifier:
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reserved_non_modifiers { $$ = Node\Identifier[$1]; }
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;
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namespace_declaration_name:
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T_STRING { $$ = Name[$1]; }
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| semi_reserved { $$ = Name[$1]; }
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| T_NAME_QUALIFIED { $$ = Name[$1]; }
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;
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namespace_name:
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T_STRING { $$ = Name[$1]; }
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| T_NAME_QUALIFIED { $$ = Name[$1]; }
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;
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legacy_namespace_name:
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namespace_name { $$ = $1; }
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| T_NAME_FULLY_QUALIFIED { $$ = Name[substr($1, 1)]; }
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;
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plain_variable:
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T_VARIABLE { $$ = Expr\Variable[parseVar($1)]; }
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;
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semi:
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';' { /* nothing */ }
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| error { /* nothing */ }
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;
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no_comma:
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/* empty */ { /* nothing */ }
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| ',' { $this->emitError(new Error('A trailing comma is not allowed here', attributes())); }
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;
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optional_comma:
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/* empty */
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| ','
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;
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attribute_decl:
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class_name { $$ = Node\Attribute[$1, []]; }
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| class_name argument_list { $$ = Node\Attribute[$1, $2]; }
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;
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attribute_group:
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attribute_decl { init($1); }
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| attribute_group ',' attribute_decl { push($1, $3); }
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;
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attribute:
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T_ATTRIBUTE attribute_group optional_comma ']' { $$ = Node\AttributeGroup[$2]; }
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;
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attributes:
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attribute { init($1); }
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| attributes attribute { push($1, $2); }
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;
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optional_attributes:
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/* empty */ { $$ = []; }
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| attributes { $$ = $1; }
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;
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top_statement:
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statement { $$ = $1; }
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| function_declaration_statement { $$ = $1; }
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| class_declaration_statement { $$ = $1; }
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| T_HALT_COMPILER
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{ $$ = Stmt\HaltCompiler[$this->lexer->handleHaltCompiler()]; }
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| T_NAMESPACE namespace_declaration_name semi
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{ $$ = Stmt\Namespace_[$2, null];
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$$->setAttribute('kind', Stmt\Namespace_::KIND_SEMICOLON);
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$this->checkNamespace($$); }
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| T_NAMESPACE namespace_declaration_name '{' top_statement_list '}'
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{ $$ = Stmt\Namespace_[$2, $4];
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$$->setAttribute('kind', Stmt\Namespace_::KIND_BRACED);
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$this->checkNamespace($$); }
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| T_NAMESPACE '{' top_statement_list '}'
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{ $$ = Stmt\Namespace_[null, $3];
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$$->setAttribute('kind', Stmt\Namespace_::KIND_BRACED);
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$this->checkNamespace($$); }
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| T_USE use_declarations semi { $$ = Stmt\Use_[$2, Stmt\Use_::TYPE_NORMAL]; }
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| T_USE use_type use_declarations semi { $$ = Stmt\Use_[$3, $2]; }
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| group_use_declaration semi { $$ = $1; }
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| T_CONST constant_declaration_list semi { $$ = Stmt\Const_[$2]; }
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;
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use_type:
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T_FUNCTION { $$ = Stmt\Use_::TYPE_FUNCTION; }
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| T_CONST { $$ = Stmt\Use_::TYPE_CONSTANT; }
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;
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group_use_declaration:
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T_USE use_type legacy_namespace_name T_NS_SEPARATOR '{' unprefixed_use_declarations '}'
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{ $$ = Stmt\GroupUse[$3, $6, $2]; }
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| T_USE legacy_namespace_name T_NS_SEPARATOR '{' inline_use_declarations '}'
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{ $$ = Stmt\GroupUse[$2, $5, Stmt\Use_::TYPE_UNKNOWN]; }
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;
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unprefixed_use_declarations:
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non_empty_unprefixed_use_declarations optional_comma { $$ = $1; }
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;
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non_empty_unprefixed_use_declarations:
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non_empty_unprefixed_use_declarations ',' unprefixed_use_declaration
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{ push($1, $3); }
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| unprefixed_use_declaration { init($1); }
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;
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use_declarations:
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non_empty_use_declarations no_comma { $$ = $1; }
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;
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non_empty_use_declarations:
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non_empty_use_declarations ',' use_declaration { push($1, $3); }
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| use_declaration { init($1); }
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;
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inline_use_declarations:
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non_empty_inline_use_declarations optional_comma { $$ = $1; }
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;
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non_empty_inline_use_declarations:
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non_empty_inline_use_declarations ',' inline_use_declaration
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{ push($1, $3); }
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| inline_use_declaration { init($1); }
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;
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unprefixed_use_declaration:
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namespace_name
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{ $$ = Stmt\UseUse[$1, null, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #1); }
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| namespace_name T_AS identifier
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{ $$ = Stmt\UseUse[$1, $3, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #3); }
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;
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use_declaration:
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legacy_namespace_name
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{ $$ = Stmt\UseUse[$1, null, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #1); }
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| legacy_namespace_name T_AS identifier
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{ $$ = Stmt\UseUse[$1, $3, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #3); }
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;
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inline_use_declaration:
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unprefixed_use_declaration { $$ = $1; $$->type = Stmt\Use_::TYPE_NORMAL; }
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| use_type unprefixed_use_declaration { $$ = $2; $$->type = $1; }
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;
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constant_declaration_list:
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non_empty_constant_declaration_list no_comma { $$ = $1; }
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;
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non_empty_constant_declaration_list:
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non_empty_constant_declaration_list ',' constant_declaration
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{ push($1, $3); }
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| constant_declaration { init($1); }
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;
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constant_declaration:
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identifier '=' expr { $$ = Node\Const_[$1, $3]; }
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;
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class_const_list:
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non_empty_class_const_list no_comma { $$ = $1; }
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;
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non_empty_class_const_list:
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non_empty_class_const_list ',' class_const { push($1, $3); }
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| class_const { init($1); }
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;
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class_const:
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identifier_ex '=' expr { $$ = Node\Const_[$1, $3]; }
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;
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inner_statement_list_ex:
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inner_statement_list_ex inner_statement { pushNormalizing($1, $2); }
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| /* empty */ { init(); }
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;
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inner_statement_list:
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inner_statement_list_ex
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{ makeZeroLengthNop($nop, $this->lookaheadStartAttributes);
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if ($nop !== null) { $1[] = $nop; } $$ = $1; }
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;
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inner_statement:
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statement { $$ = $1; }
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| function_declaration_statement { $$ = $1; }
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| class_declaration_statement { $$ = $1; }
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| T_HALT_COMPILER
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{ throw new Error('__HALT_COMPILER() can only be used from the outermost scope', attributes()); }
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;
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non_empty_statement:
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'{' inner_statement_list '}'
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{
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if ($2) {
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$$ = $2; prependLeadingComments($$);
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} else {
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makeNop($$, $this->startAttributeStack[#1], $this->endAttributes);
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if (null === $$) { $$ = array(); }
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}
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}
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| T_IF '(' expr ')' statement elseif_list else_single
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{ $$ = Stmt\If_[$3, ['stmts' => toArray($5), 'elseifs' => $6, 'else' => $7]]; }
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| T_IF '(' expr ')' ':' inner_statement_list new_elseif_list new_else_single T_ENDIF ';'
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{ $$ = Stmt\If_[$3, ['stmts' => $6, 'elseifs' => $7, 'else' => $8]]; }
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| T_WHILE '(' expr ')' while_statement { $$ = Stmt\While_[$3, $5]; }
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| T_DO statement T_WHILE '(' expr ')' ';' { $$ = Stmt\Do_ [$5, toArray($2)]; }
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| T_FOR '(' for_expr ';' for_expr ';' for_expr ')' for_statement
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{ $$ = Stmt\For_[['init' => $3, 'cond' => $5, 'loop' => $7, 'stmts' => $9]]; }
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| T_SWITCH '(' expr ')' switch_case_list { $$ = Stmt\Switch_[$3, $5]; }
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| T_BREAK optional_expr semi { $$ = Stmt\Break_[$2]; }
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| T_CONTINUE optional_expr semi { $$ = Stmt\Continue_[$2]; }
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| T_RETURN optional_expr semi { $$ = Stmt\Return_[$2]; }
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| T_GLOBAL global_var_list semi { $$ = Stmt\Global_[$2]; }
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| T_STATIC static_var_list semi { $$ = Stmt\Static_[$2]; }
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| T_ECHO expr_list_forbid_comma semi { $$ = Stmt\Echo_[$2]; }
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| T_INLINE_HTML { $$ = Stmt\InlineHTML[$1]; }
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| expr semi {
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$e = $1;
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if ($e instanceof Expr\Throw_) {
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// For backwards-compatibility reasons, convert throw in statement position into
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// Stmt\Throw_ rather than Stmt\Expression(Expr\Throw_).
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$$ = Stmt\Throw_[$e->expr];
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} else {
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$$ = Stmt\Expression[$e];
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}
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}
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| T_UNSET '(' variables_list ')' semi { $$ = Stmt\Unset_[$3]; }
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| T_FOREACH '(' expr T_AS foreach_variable ')' foreach_statement
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{ $$ = Stmt\Foreach_[$3, $5[0], ['keyVar' => null, 'byRef' => $5[1], 'stmts' => $7]]; }
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| T_FOREACH '(' expr T_AS variable T_DOUBLE_ARROW foreach_variable ')' foreach_statement
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{ $$ = Stmt\Foreach_[$3, $7[0], ['keyVar' => $5, 'byRef' => $7[1], 'stmts' => $9]]; }
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| T_FOREACH '(' expr error ')' foreach_statement
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{ $$ = Stmt\Foreach_[$3, new Expr\Error(stackAttributes(#4)), ['stmts' => $6]]; }
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| T_DECLARE '(' declare_list ')' declare_statement { $$ = Stmt\Declare_[$3, $5]; }
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| T_TRY '{' inner_statement_list '}' catches optional_finally
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{ $$ = Stmt\TryCatch[$3, $5, $6]; $this->checkTryCatch($$); }
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| T_GOTO identifier semi { $$ = Stmt\Goto_[$2]; }
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| identifier ':' { $$ = Stmt\Label[$1]; }
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| error { $$ = array(); /* means: no statement */ }
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;
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statement:
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non_empty_statement { $$ = $1; }
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| ';'
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{ makeNop($$, $this->startAttributeStack[#1], $this->endAttributes);
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if ($$ === null) $$ = array(); /* means: no statement */ }
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;
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catches:
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/* empty */ { init(); }
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| catches catch { push($1, $2); }
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;
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name_union:
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name { init($1); }
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| name_union '|' name { push($1, $3); }
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;
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catch:
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T_CATCH '(' name_union optional_plain_variable ')' '{' inner_statement_list '}'
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{ $$ = Stmt\Catch_[$3, $4, $7]; }
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;
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optional_finally:
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/* empty */ { $$ = null; }
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| T_FINALLY '{' inner_statement_list '}' { $$ = Stmt\Finally_[$3]; }
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;
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variables_list:
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non_empty_variables_list optional_comma { $$ = $1; }
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;
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non_empty_variables_list:
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variable { init($1); }
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| non_empty_variables_list ',' variable { push($1, $3); }
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;
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optional_ref:
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/* empty */ { $$ = false; }
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| '&' { $$ = true; }
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;
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optional_ellipsis:
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/* empty */ { $$ = false; }
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| T_ELLIPSIS { $$ = true; }
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;
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block_or_error:
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'{' inner_statement_list '}' { $$ = $2; }
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| error { $$ = []; }
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;
|
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function_declaration_statement:
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T_FUNCTION optional_ref identifier '(' parameter_list ')' optional_return_type block_or_error
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{ $$ = Stmt\Function_[$3, ['byRef' => $2, 'params' => $5, 'returnType' => $7, 'stmts' => $8, 'attrGroups' => []]]; }
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| attributes T_FUNCTION optional_ref identifier '(' parameter_list ')' optional_return_type block_or_error
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{ $$ = Stmt\Function_[$4, ['byRef' => $3, 'params' => $6, 'returnType' => $8, 'stmts' => $9, 'attrGroups' => $1]]; }
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;
|
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class_declaration_statement:
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optional_attributes class_entry_type identifier extends_from implements_list '{' class_statement_list '}'
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{ $$ = Stmt\Class_[$3, ['type' => $2, 'extends' => $4, 'implements' => $5, 'stmts' => $7, 'attrGroups' => $1]];
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$this->checkClass($$, #3); }
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| optional_attributes T_INTERFACE identifier interface_extends_list '{' class_statement_list '}'
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{ $$ = Stmt\Interface_[$3, ['extends' => $4, 'stmts' => $6, 'attrGroups' => $1]];
|
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$this->checkInterface($$, #3); }
|
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| optional_attributes T_TRAIT identifier '{' class_statement_list '}'
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{ $$ = Stmt\Trait_[$3, ['stmts' => $5, 'attrGroups' => $1]]; }
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;
|
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|
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class_entry_type:
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T_CLASS { $$ = 0; }
|
|
| T_ABSTRACT T_CLASS { $$ = Stmt\Class_::MODIFIER_ABSTRACT; }
|
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| T_FINAL T_CLASS { $$ = Stmt\Class_::MODIFIER_FINAL; }
|
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;
|
|
|
|
extends_from:
|
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/* empty */ { $$ = null; }
|
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| T_EXTENDS class_name { $$ = $2; }
|
|
;
|
|
|
|
interface_extends_list:
|
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/* empty */ { $$ = array(); }
|
|
| T_EXTENDS class_name_list { $$ = $2; }
|
|
;
|
|
|
|
implements_list:
|
|
/* empty */ { $$ = array(); }
|
|
| T_IMPLEMENTS class_name_list { $$ = $2; }
|
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;
|
|
|
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class_name_list:
|
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non_empty_class_name_list no_comma { $$ = $1; }
|
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;
|
|
|
|
non_empty_class_name_list:
|
|
class_name { init($1); }
|
|
| non_empty_class_name_list ',' class_name { push($1, $3); }
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;
|
|
|
|
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 '=' expr { $$ = Stmt\DeclareDeclare[$1, $3]; }
|
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;
|
|
|
|
switch_case_list:
|
|
'{' case_list '}' { $$ = $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]; }
|
|
;
|
|
|
|
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 { $$ = array($1, false); }
|
|
| '&' variable { $$ = 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_visibility_modifier:
|
|
/* empty */ { $$ = 0; }
|
|
| T_PUBLIC { $$ = Stmt\Class_::MODIFIER_PUBLIC; }
|
|
| T_PROTECTED { $$ = Stmt\Class_::MODIFIER_PROTECTED; }
|
|
| T_PRIVATE { $$ = Stmt\Class_::MODIFIER_PRIVATE; }
|
|
;
|
|
|
|
parameter:
|
|
optional_attributes optional_visibility_modifier optional_type_without_static optional_ref optional_ellipsis plain_variable
|
|
{ $$ = new Node\Param($6, null, $3, $4, $5, attributes(), $2, $1);
|
|
$this->checkParam($$); }
|
|
| optional_attributes optional_visibility_modifier optional_type_without_static optional_ref optional_ellipsis plain_variable '=' expr
|
|
{ $$ = new Node\Param($6, $8, $3, $4, $5, attributes(), $2, $1);
|
|
$this->checkParam($$); }
|
|
| optional_attributes optional_visibility_modifier optional_type_without_static optional_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]; }
|
|
;
|
|
|
|
type:
|
|
type_without_static { $$ = $1; }
|
|
| T_STATIC { $$ = Node\Name['static']; }
|
|
;
|
|
|
|
type_without_static:
|
|
name { $$ = $this->handleBuiltinTypes($1); }
|
|
| T_ARRAY { $$ = Node\Identifier['array']; }
|
|
| T_CALLABLE { $$ = Node\Identifier['callable']; }
|
|
;
|
|
|
|
union_type:
|
|
type '|' type { init($1, $3); }
|
|
| union_type '|' type { push($1, $3); }
|
|
;
|
|
|
|
union_type_without_static:
|
|
type_without_static '|' type_without_static { init($1, $3); }
|
|
| union_type_without_static '|' type_without_static { push($1, $3); }
|
|
;
|
|
|
|
type_expr_without_static:
|
|
type_without_static { $$ = $1; }
|
|
| '?' type_without_static { $$ = Node\NullableType[$2]; }
|
|
| union_type_without_static { $$ = Node\UnionType[$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 ')' { $$ = $2; }
|
|
;
|
|
|
|
non_empty_argument_list:
|
|
argument { init($1); }
|
|
| non_empty_argument_list ',' argument { push($1, $3); }
|
|
;
|
|
|
|
argument:
|
|
expr { $$ = Node\Arg[$1, false, false]; }
|
|
| '&' variable { $$ = Node\Arg[$2, true, false]; }
|
|
| T_ELLIPSIS expr { $$ = Node\Arg[$2, false, true]; }
|
|
| identifier_ex ':' 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($$, #2); }
|
|
| optional_attributes method_modifiers T_FUNCTION optional_ref identifier_ex '(' parameter_list ')' optional_return_type method_body
|
|
{ $$ = 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]; }
|
|
| 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_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; }
|
|
| 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 { $$ = Stmt\Class_::MODIFIER_FINAL; }
|
|
;
|
|
|
|
property_declaration_list:
|
|
non_empty_property_declaration_list no_comma { $$ = $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 { $$ = Expr\Assign[$1, $3]; }
|
|
| variable '=' '&' variable { $$ = 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 '&' 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 { $$ = Expr\Throw_[$2]; }
|
|
|
|
| T_FN optional_ref '(' parameter_list ')' optional_return_type T_DOUBLE_ARROW expr
|
|
{ $$ = 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
|
|
{ $$ = Expr\ArrowFunction[['static' => true, 'byRef' => $3, 'params' => $5, 'returnType' => $7, 'expr' => $9, 'attrGroups' => []]]; }
|
|
| T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type block_or_error
|
|
{ $$ = 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
|
|
{ $$ = Expr\Closure[['static' => true, 'byRef' => $3, 'params' => $5, 'uses' => $7, 'returnType' => $8, 'stmts' => $9, 'attrGroups' => []]]; }
|
|
|
|
| attributes T_FN optional_ref '(' parameter_list ')' optional_return_type T_DOUBLE_ARROW expr
|
|
{ $$ = 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
|
|
{ $$ = Expr\ArrowFunction[['static' => true, 'byRef' => $4, 'params' => $6, 'returnType' => $8, 'expr' => $10, 'attrGroups' => $1]]; }
|
|
| attributes T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type block_or_error
|
|
{ $$ = 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 { $$ = Expr\ClosureUse[$2, $1]; }
|
|
;
|
|
|
|
function_call:
|
|
name argument_list { $$ = 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_ex
|
|
{ $$ = Expr\ClassConstFetch[$1, $3]; }
|
|
/* We interpret an isolated FOO:: as an unfinished class constant fetch. It could also be
|
|
an unfinished static property fetch or unfinished scoped call. */
|
|
| class_name_or_var T_PAAMAYIM_NEKUDOTAYIM error
|
|
{ $$ = 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 { $$ = $1; }
|
|
| T_CONSTANT_ENCAPSED_STRING
|
|
{ $attrs = attributes(); $attrs['kind'] = strKind($1);
|
|
$$ = new Scalar\String_(Scalar\String_::parse($1), $attrs); }
|
|
| '"' 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 { $$ = Scalar\DNumber[Scalar\DNumber::parse($1)]; }
|
|
| dereferencable_scalar { $$ = $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
|
|
{ $$ = Expr\StaticPropertyFetch[$1, $3]; }
|
|
;
|
|
|
|
member_name:
|
|
identifier_ex { $$ = $1; }
|
|
| '{' expr '}' { $$ = $2; }
|
|
| simple_variable { $$ = $1; }
|
|
;
|
|
|
|
property_name:
|
|
identifier { $$ = $1; }
|
|
| '{' expr '}' { $$ = $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 { $$ = Expr\ArrayItem[$1, null, false]; }
|
|
| '&' variable { $$ = 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 '&' 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 { $$ = Expr\PropertyFetch[$1, $3]; }
|
|
| plain_variable T_NULLSAFE_OBJECT_OPERATOR identifier { $$ = 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; }
|
|
;
|
|
|
|
%%
|