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965 lines
44 KiB
965 lines
44 KiB
%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 { $$ = $this->handleNamespaces($1); }
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;
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top_statement_list_ex:
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top_statement_list_ex top_statement { pushNormalizing($1, $2); }
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| /* empty */ { init(); }
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;
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top_statement_list:
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top_statement_list_ex
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{ makeNop($nop, $this->lookaheadStartAttributes);
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if ($nop !== null) { $1[] = $nop; } $$ = $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
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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:
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T_STRING { $$ = $1; }
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| semi_reserved { $$ = $1; }
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;
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namespace_name_parts:
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T_STRING { init($1); }
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| namespace_name_parts T_NS_SEPARATOR T_STRING { push($1, $3); }
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;
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namespace_name:
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namespace_name_parts { $$ = Name[$1]; }
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;
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semi:
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';' { /* nothing */ }
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| error { /* nothing */ }
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;
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no_comma:
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/* empty */ { /* nothing */ }
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| ',' { $this->emitError(new Error('A trailing comma is not allowed here', attributes())); }
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;
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optional_comma:
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/* empty */
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| ','
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top_statement:
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statement { $$ = $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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{ $$ = Stmt\HaltCompiler[$this->lexer->handleHaltCompiler()]; }
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| T_NAMESPACE namespace_name semi
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{ $$ = 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_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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/* Using namespace_name_parts here to avoid s/r conflict on T_NS_SEPARATOR */
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group_use_declaration:
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T_USE use_type namespace_name_parts T_NS_SEPARATOR '{' unprefixed_use_declarations '}'
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{ $$ = Stmt\GroupUse[new Name($3, stackAttributes(#3)), $6, $2]; }
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| T_USE use_type T_NS_SEPARATOR namespace_name_parts T_NS_SEPARATOR '{' unprefixed_use_declarations '}'
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{ $$ = Stmt\GroupUse[new Name($4, stackAttributes(#4)), $7, $2]; }
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| T_USE namespace_name_parts T_NS_SEPARATOR '{' inline_use_declarations '}'
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{ $$ = Stmt\GroupUse[new Name($2, stackAttributes(#2)), $5, Stmt\Use_::TYPE_UNKNOWN]; }
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| T_USE T_NS_SEPARATOR namespace_name_parts T_NS_SEPARATOR '{' inline_use_declarations '}'
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{ $$ = Stmt\GroupUse[new Name($3, stackAttributes(#3)), $6, 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($$, #1); }
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| namespace_name T_AS T_STRING
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{ $$ = Stmt\UseUse[$1, $3, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #3); }
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;
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use_declaration:
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unprefixed_use_declaration { $$ = $1; }
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| T_NS_SEPARATOR unprefixed_use_declaration { $$ = $2; }
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;
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inline_use_declaration:
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unprefixed_use_declaration { $$ = $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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T_STRING '=' 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 '=' expr { $$ = Node\Const_[$1, $3]; }
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;
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inner_statement_list_ex:
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inner_statement_list_ex inner_statement { pushNormalizing($1, $2); }
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| /* empty */ { init(); }
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;
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inner_statement_list:
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inner_statement_list_ex
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|
{ makeNop($nop, $this->lookaheadStartAttributes);
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if ($nop !== null) { $1[] = $nop; } $$ = $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]);
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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 { $$ = Stmt\Static_[$2]; }
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| T_ECHO expr_list semi { $$ = Stmt\Echo_[$2]; }
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| T_INLINE_HTML { $$ = Stmt\InlineHTML[$1]; }
|
|
| expr semi { $$ = $1; }
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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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{ $$ = Stmt\Foreach_[$3, $7[0], ['keyVar' => $5, 'byRef' => $7[1], 'stmts' => $9]]; }
|
|
| T_DECLARE '(' declare_list ')' declare_statement { $$ = Stmt\Declare_[$3, $5]; }
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| T_TRY '{' inner_statement_list '}' catches optional_finally
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{ $$ = Stmt\TryCatch[$3, $5, $6]; $this->checkTryCatch($$); }
|
|
| T_THROW expr semi { $$ = Stmt\Throw_[$2]; }
|
|
| T_GOTO T_STRING semi { $$ = Stmt\Goto_[$2]; }
|
|
| T_STRING ':' { $$ = Stmt\Label[$1]; }
|
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| error { $$ = array(); /* means: no statement */ }
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;
|
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statement:
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non_empty_statement { $$ = $1; }
|
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| ';'
|
|
{ makeNop($$, $this->startAttributeStack[#1]);
|
|
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:
|
|
name { init($1); }
|
|
| name_union '|' name { push($1, $3); }
|
|
;
|
|
|
|
catch:
|
|
T_CATCH '(' name_union T_VARIABLE ')' '{' inner_statement_list '}'
|
|
{ $$ = Stmt\Catch_[$3, parseVar($4), $7]; }
|
|
;
|
|
|
|
optional_finally:
|
|
/* empty */ { $$ = null; }
|
|
| T_FINALLY '{' inner_statement_list '}' { $$ = Stmt\Finally_[$3]; }
|
|
;
|
|
|
|
variables_list:
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|
non_empty_variables_list no_comma { $$ = $1; }
|
|
;
|
|
|
|
non_empty_variables_list:
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|
variable { init($1); }
|
|
| non_empty_variables_list ',' variable { push($1, $3); }
|
|
;
|
|
|
|
optional_ref:
|
|
/* empty */ { $$ = false; }
|
|
| '&' { $$ = true; }
|
|
;
|
|
|
|
optional_ellipsis:
|
|
/* empty */ { $$ = false; }
|
|
| T_ELLIPSIS { $$ = true; }
|
|
;
|
|
|
|
function_declaration_statement:
|
|
T_FUNCTION optional_ref T_STRING '(' parameter_list ')' optional_return_type '{' inner_statement_list '}'
|
|
{ $$ = Stmt\Function_[$3, ['byRef' => $2, 'params' => $5, 'returnType' => $7, 'stmts' => $9]]; }
|
|
;
|
|
|
|
class_declaration_statement:
|
|
class_entry_type T_STRING extends_from implements_list '{' class_statement_list '}'
|
|
{ $$ = Stmt\Class_[$2, ['type' => $1, 'extends' => $3, 'implements' => $4, 'stmts' => $6]];
|
|
$this->checkClass($$, #2); }
|
|
| T_INTERFACE T_STRING interface_extends_list '{' class_statement_list '}'
|
|
{ $$ = Stmt\Interface_[$2, ['extends' => $3, 'stmts' => $5]];
|
|
$this->checkInterface($$, #2); }
|
|
| T_TRAIT T_STRING '{' class_statement_list '}'
|
|
{ $$ = 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 { $$ = $2; }
|
|
;
|
|
|
|
class_name_list:
|
|
non_empty_class_name_list no_comma { $$ = $1; }
|
|
;
|
|
|
|
non_empty_class_name_list:
|
|
class_name { init($1); }
|
|
| non_empty_class_name_list ',' class_name { push($1, $3); }
|
|
;
|
|
|
|
for_statement:
|
|
statement { $$ = toArray($1); }
|
|
| ':' inner_statement_list T_ENDFOR ';' { $$ = $2; }
|
|
;
|
|
|
|
foreach_statement:
|
|
statement { $$ = toArray($1); }
|
|
| ':' inner_statement_list T_ENDFOREACH ';' { $$ = $2; }
|
|
;
|
|
|
|
declare_statement:
|
|
non_empty_statement { $$ = toArray($1); }
|
|
| ';' { $$ = null; }
|
|
| ':' inner_statement_list T_ENDDECLARE ';' { $$ = $2; }
|
|
;
|
|
|
|
declare_list:
|
|
non_empty_declare_list no_comma { $$ = $1; }
|
|
;
|
|
|
|
non_empty_declare_list:
|
|
declare_list_element { init($1); }
|
|
| non_empty_declare_list ',' declare_list_element { push($1, $3); }
|
|
;
|
|
|
|
declare_list_element:
|
|
T_STRING '=' expr { $$ = Stmt\DeclareDeclare[$1, $3]; }
|
|
;
|
|
|
|
switch_case_list:
|
|
'{' case_list '}' { $$ = $2; }
|
|
| '{' ';' case_list '}' { $$ = $3; }
|
|
| ':' case_list T_ENDSWITCH ';' { $$ = $2; }
|
|
| ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; }
|
|
;
|
|
|
|
case_list:
|
|
/* empty */ { init(); }
|
|
| case_list case { push($1, $2); }
|
|
;
|
|
|
|
case:
|
|
T_CASE expr case_separator inner_statement_list { $$ = Stmt\Case_[$2, $4]; }
|
|
| T_DEFAULT case_separator inner_statement_list { $$ = Stmt\Case_[null, $3]; }
|
|
;
|
|
|
|
case_separator:
|
|
':'
|
|
| ';'
|
|
;
|
|
|
|
while_statement:
|
|
statement { $$ = toArray($1); }
|
|
| ':' inner_statement_list T_ENDWHILE ';' { $$ = $2; }
|
|
;
|
|
|
|
elseif_list:
|
|
/* empty */ { init(); }
|
|
| elseif_list elseif { push($1, $2); }
|
|
;
|
|
|
|
elseif:
|
|
T_ELSEIF '(' expr ')' statement { $$ = 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 { $$ = array($1, false); }
|
|
;
|
|
|
|
parameter_list:
|
|
non_empty_parameter_list no_comma { $$ = $1; }
|
|
| /* empty */ { $$ = array(); }
|
|
;
|
|
|
|
non_empty_parameter_list:
|
|
parameter { init($1); }
|
|
| non_empty_parameter_list ',' parameter { push($1, $3); }
|
|
;
|
|
|
|
parameter:
|
|
optional_param_type optional_ref optional_ellipsis T_VARIABLE
|
|
{ $$ = Node\Param[parseVar($4), null, $1, $2, $3]; $this->checkParam($$); }
|
|
| optional_param_type optional_ref optional_ellipsis T_VARIABLE '=' expr
|
|
{ $$ = Node\Param[parseVar($4), $6, $1, $2, $3]; $this->checkParam($$); }
|
|
;
|
|
|
|
type_expr:
|
|
type { $$ = $1; }
|
|
| '?' type { $$ = Node\NullableType[$2]; }
|
|
;
|
|
|
|
type:
|
|
name { $$ = $this->handleBuiltinTypes($1); }
|
|
| T_ARRAY { $$ = 'array'; }
|
|
| T_CALLABLE { $$ = 'callable'; }
|
|
;
|
|
|
|
optional_param_type:
|
|
/* empty */ { $$ = null; }
|
|
| type_expr { $$ = $1; }
|
|
;
|
|
|
|
optional_return_type:
|
|
/* empty */ { $$ = null; }
|
|
| ':' type_expr { $$ = $2; }
|
|
;
|
|
|
|
argument_list:
|
|
'(' ')' { $$ = array(); }
|
|
| '(' non_empty_argument_list no_comma ')' { $$ = $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 { $$ = Node\Arg[$2, false, true]; }
|
|
;
|
|
|
|
global_var_list:
|
|
non_empty_global_var_list no_comma { $$ = $1; }
|
|
;
|
|
|
|
non_empty_global_var_list:
|
|
non_empty_global_var_list ',' global_var { push($1, $3); }
|
|
| global_var { init($1); }
|
|
;
|
|
|
|
global_var:
|
|
simple_variable { $$ = Expr\Variable[$1]; }
|
|
;
|
|
|
|
static_var_list:
|
|
non_empty_static_var_list no_comma { $$ = $1; }
|
|
;
|
|
|
|
non_empty_static_var_list:
|
|
non_empty_static_var_list ',' static_var { push($1, $3); }
|
|
| static_var { init($1); }
|
|
;
|
|
|
|
static_var:
|
|
T_VARIABLE { $$ = Stmt\StaticVar[parseVar($1), null]; }
|
|
| T_VARIABLE '=' expr { $$ = Stmt\StaticVar[parseVar($1), $3]; }
|
|
;
|
|
|
|
class_statement_list:
|
|
class_statement_list class_statement { push($1, $2); }
|
|
| /* empty */ { init(); }
|
|
;
|
|
|
|
class_statement:
|
|
variable_modifiers property_declaration_list ';'
|
|
{ $$ = Stmt\Property[$1, $2]; $this->checkProperty($$, #1); }
|
|
| method_modifiers T_CONST class_const_list ';'
|
|
{ $$ = Stmt\ClassConst[$3, $1]; $this->checkClassConst($$, #1); }
|
|
| method_modifiers T_FUNCTION optional_ref identifier '(' 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 ';'
|
|
{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], $3, $4]; }
|
|
| trait_method_reference T_AS member_modifier ';'
|
|
{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], $3, null]; }
|
|
| trait_method_reference T_AS T_STRING ';'
|
|
{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], null, $3]; }
|
|
| trait_method_reference T_AS reserved_non_modifiers ';'
|
|
{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], null, $3]; }
|
|
;
|
|
|
|
trait_method_reference_fully_qualified:
|
|
name T_PAAMAYIM_NEKUDOTAYIM identifier { $$ = array($1, $3); }
|
|
;
|
|
trait_method_reference:
|
|
trait_method_reference_fully_qualified { $$ = $1; }
|
|
| identifier { $$ = array(null, $1); }
|
|
;
|
|
|
|
method_body:
|
|
';' /* abstract method */ { $$ = 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 { $$ = Stmt\Class_::MODIFIER_FINAL; }
|
|
;
|
|
|
|
property_declaration_list:
|
|
non_empty_property_declaration_list no_comma { $$ = $1; }
|
|
;
|
|
|
|
non_empty_property_declaration_list:
|
|
property_declaration { init($1); }
|
|
| non_empty_property_declaration_list ',' property_declaration
|
|
{ push($1, $3); }
|
|
;
|
|
|
|
property_declaration:
|
|
T_VARIABLE { $$ = Stmt\PropertyProperty[parseVar($1), null]; }
|
|
| T_VARIABLE '=' expr { $$ = Stmt\PropertyProperty[parseVar($1), $3]; }
|
|
;
|
|
|
|
expr_list:
|
|
non_empty_expr_list no_comma { $$ = $1; }
|
|
;
|
|
|
|
non_empty_expr_list:
|
|
non_empty_expr_list ',' expr { push($1, $3); }
|
|
| expr { init($1); }
|
|
;
|
|
|
|
for_expr:
|
|
/* empty */ { $$ = array(); }
|
|
| expr_list { $$ = $1; }
|
|
;
|
|
|
|
expr:
|
|
variable { $$ = $1; }
|
|
| list_expr '=' expr { $$ = Expr\Assign[$1, $3]; }
|
|
| array_short_syntax '=' expr { $$ = Expr\Assign[$1, $3]; }
|
|
| variable '=' expr { $$ = Expr\Assign[$1, $3]; }
|
|
| variable '=' '&' variable { $$ = 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_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 { $$ = Expr\BinaryOp\Coalesce[$1, $3]; }
|
|
| T_ISSET '(' variables_list ')' { $$ = Expr\Isset_[$3]; }
|
|
| T_EMPTY '(' expr ')' { $$ = Expr\Empty_[$3]; }
|
|
| T_INCLUDE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_INCLUDE]; }
|
|
| T_INCLUDE_ONCE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_INCLUDE_ONCE]; }
|
|
| T_EVAL '(' expr ')' { $$ = 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 { $$ = Expr\Cast\Int_ [$2]; }
|
|
| T_DOUBLE_CAST expr { $$ = Expr\Cast\Double [$2]; }
|
|
| 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_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]]; }
|
|
;
|
|
|
|
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:
|
|
non_empty_lexical_var_list no_comma { $$ = $1; }
|
|
;
|
|
|
|
non_empty_lexical_var_list:
|
|
lexical_var { init($1); }
|
|
| non_empty_lexical_var_list ',' lexical_var { push($1, $3); }
|
|
;
|
|
|
|
lexical_var:
|
|
optional_ref T_VARIABLE { $$ = Expr\ClosureUse[parseVar($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 { $$ = $1; }
|
|
;
|
|
|
|
name:
|
|
namespace_name_parts { $$ = Name[$1]; }
|
|
| T_NS_SEPARATOR namespace_name_parts { $$ = Name\FullyQualified[$2]; }
|
|
| T_NAMESPACE T_NS_SEPARATOR namespace_name_parts { $$ = Name\Relative[$3]; }
|
|
;
|
|
|
|
class_name_reference:
|
|
class_name { $$ = $1; }
|
|
| new_variable { $$ = $1; }
|
|
| error { $$ = Expr\Error[]; $this->errorState = 2; }
|
|
;
|
|
|
|
class_name_or_var:
|
|
class_name { $$ = $1; }
|
|
| 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 { $$ = Expr\ConstFetch[$1]; }
|
|
| class_name_or_var T_PAAMAYIM_NEKUDOTAYIM identifier
|
|
{ $$ = Expr\ClassConstFetch[$1, $3]; }
|
|
/* We interpret and 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);
|
|
$$ = new Scalar\String_(Scalar\String_::parse($1), $attrs); }
|
|
;
|
|
|
|
scalar:
|
|
T_LNUMBER { $$ = $this->parseLNumber($1, attributes()); }
|
|
| T_DNUMBER { $$ = Scalar\DNumber[Scalar\DNumber::parse($1)]; }
|
|
| T_LINE { $$ = 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 { $$ = Scalar\MagicConst\Namespace_[]; }
|
|
| dereferencable_scalar { $$ = $1; }
|
|
| constant { $$ = $1; }
|
|
| T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC
|
|
{ $attrs = attributes(); setDocStringAttrs($attrs, $1);
|
|
$$ = new Scalar\String_(Scalar\String_::parseDocString($1, $2), $attrs); }
|
|
| T_START_HEREDOC T_END_HEREDOC
|
|
{ $attrs = attributes(); setDocStringAttrs($attrs, $1);
|
|
$$ = new Scalar\String_('', $attrs); }
|
|
| '"' encaps_list '"'
|
|
{ $attrs = attributes(); $attrs['kind'] = Scalar\String_::KIND_DOUBLE_QUOTED;
|
|
parseEncapsed($2, '"', true); $$ = new Scalar\Encapsed($2, $attrs); }
|
|
| T_START_HEREDOC encaps_list T_END_HEREDOC
|
|
{ $attrs = attributes(); setDocStringAttrs($attrs, $1);
|
|
parseEncapsedDoc($2, true); $$ = new Scalar\Encapsed($2, $attrs); }
|
|
;
|
|
|
|
optional_expr:
|
|
/* empty */ { $$ = null; }
|
|
| expr { $$ = $1; }
|
|
;
|
|
|
|
dereferencable:
|
|
variable { $$ = $1; }
|
|
| '(' expr ')' { $$ = $2; }
|
|
| dereferencable_scalar { $$ = $1; }
|
|
;
|
|
|
|
callable_expr:
|
|
callable_variable { $$ = $1; }
|
|
| '(' expr ')' { $$ = $2; }
|
|
| dereferencable_scalar { $$ = $1; }
|
|
;
|
|
|
|
callable_variable:
|
|
simple_variable { $$ = Expr\Variable[$1]; }
|
|
| dereferencable '[' optional_expr ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }
|
|
| constant '[' optional_expr ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }
|
|
| dereferencable '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; }
|
|
| function_call { $$ = $1; }
|
|
| dereferencable T_OBJECT_OPERATOR property_name argument_list
|
|
{ $$ = Expr\MethodCall[$1, $3, $4]; }
|
|
;
|
|
|
|
variable:
|
|
callable_variable { $$ = $1; }
|
|
| static_member { $$ = $1; }
|
|
| dereferencable T_OBJECT_OPERATOR property_name { $$ = Expr\PropertyFetch[$1, $3]; }
|
|
;
|
|
|
|
simple_variable:
|
|
T_VARIABLE { $$ = parseVar($1); }
|
|
| '$' '{' expr '}' { $$ = $3; }
|
|
| '$' simple_variable { $$ = Expr\Variable[$2]; }
|
|
| '$' error { $$ = Expr\Error[]; $this->errorState = 2; }
|
|
;
|
|
|
|
static_member:
|
|
class_name_or_var T_PAAMAYIM_NEKUDOTAYIM simple_variable
|
|
{ $$ = Expr\StaticPropertyFetch[$1, $3]; }
|
|
;
|
|
|
|
new_variable:
|
|
simple_variable { $$ = Expr\Variable[$1]; }
|
|
| new_variable '[' optional_expr ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }
|
|
| new_variable '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; }
|
|
| new_variable T_OBJECT_OPERATOR property_name { $$ = Expr\PropertyFetch[$1, $3]; }
|
|
| class_name T_PAAMAYIM_NEKUDOTAYIM simple_variable { $$ = Expr\StaticPropertyFetch[$1, $3]; }
|
|
| new_variable T_PAAMAYIM_NEKUDOTAYIM simple_variable { $$ = Expr\StaticPropertyFetch[$1, $3]; }
|
|
;
|
|
|
|
member_name:
|
|
identifier { $$ = $1; }
|
|
| '{' expr '}' { $$ = $2; }
|
|
| simple_variable { $$ = Expr\Variable[$1]; }
|
|
;
|
|
|
|
property_name:
|
|
T_STRING { $$ = $1; }
|
|
| '{' expr '}' { $$ = $2; }
|
|
| simple_variable { $$ = Expr\Variable[$1]; }
|
|
| error { $$ = 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 { $$ = Expr\ArrayItem[$1, null, false]; }
|
|
| expr T_DOUBLE_ARROW variable { $$ = Expr\ArrayItem[$3, $1, false]; }
|
|
| expr T_DOUBLE_ARROW list_expr { $$ = Expr\ArrayItem[$3, $1, false]; }
|
|
| /* empty */ { $$ = null; }
|
|
;
|
|
|
|
array_pair_list:
|
|
inner_array_pair_list
|
|
{ $$ = $1; $end = count($$)-1; if ($$[$end] === null) unset($$[$end]); }
|
|
;
|
|
|
|
inner_array_pair_list:
|
|
inner_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 '&' variable { $$ = Expr\ArrayItem[$4, $1, true]; }
|
|
| '&' variable { $$ = Expr\ArrayItem[$2, null, 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_base_var:
|
|
T_VARIABLE { $$ = Expr\Variable[parseVar($1)]; }
|
|
;
|
|
|
|
encaps_var:
|
|
encaps_base_var { $$ = $1; }
|
|
| encaps_base_var '[' encaps_var_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }
|
|
| encaps_base_var T_OBJECT_OPERATOR T_STRING { $$ = 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 T_STRING_VARNAME '[' expr ']' '}'
|
|
{ $$ = Expr\ArrayDimFetch[Expr\Variable[$2], $4]; }
|
|
| T_CURLY_OPEN variable '}' { $$ = $2; }
|
|
;
|
|
|
|
encaps_var_offset:
|
|
T_STRING { $$ = Scalar\String_[$1]; }
|
|
| T_NUM_STRING { $$ = $this->parseNumString($1, attributes()); }
|
|
| '-' T_NUM_STRING { $$ = $this->parseNumString('-' . $2, attributes()); }
|
|
| T_VARIABLE { $$ = Expr\Variable[parseVar($1)]; }
|
|
;
|
|
|
|
%%
|
|
|