php-parser/php5/php5.y
2018-06-08 10:58:30 +03:00

5490 lines
214 KiB
Plaintext

%{
package php5
import (
"strings"
"strconv"
"github.com/z7zmey/php-parser/comment"
"github.com/z7zmey/php-parser/scanner"
"github.com/z7zmey/php-parser/node"
"github.com/z7zmey/php-parser/node/scalar"
"github.com/z7zmey/php-parser/node/name"
"github.com/z7zmey/php-parser/node/stmt"
"github.com/z7zmey/php-parser/node/expr"
"github.com/z7zmey/php-parser/node/expr/assign"
"github.com/z7zmey/php-parser/node/expr/binary"
"github.com/z7zmey/php-parser/node/expr/cast"
)
%}
%union{
node node.Node
token *scanner.Token
list []node.Node
simpleIndirectReference simpleIndirectReference
ClassExtends *stmt.ClassExtends
ClassImplements *stmt.ClassImplements
InterfaceExtends *stmt.InterfaceExtends
ClosureUse *expr.ClosureUse
}
%type <token> $unk
%token <token> T_INCLUDE
%token <token> T_INCLUDE_ONCE
%token <token> T_EXIT
%token <token> T_IF
%token <token> T_LNUMBER
%token <token> T_DNUMBER
%token <token> T_STRING
%token <token> T_STRING_VARNAME
%token <token> T_VARIABLE
%token <token> T_NUM_STRING
%token <token> T_INLINE_HTML
%token <token> T_CHARACTER
%token <token> T_BAD_CHARACTER
%token <token> T_ENCAPSED_AND_WHITESPACE
%token <token> T_CONSTANT_ENCAPSED_STRING
%token <token> T_ECHO
%token <token> T_DO
%token <token> T_WHILE
%token <token> T_ENDWHILE
%token <token> T_FOR
%token <token> T_ENDFOR
%token <token> T_FOREACH
%token <token> T_ENDFOREACH
%token <token> T_DECLARE
%token <token> T_ENDDECLARE
%token <token> T_AS
%token <token> T_SWITCH
%token <token> T_ENDSWITCH
%token <token> T_CASE
%token <token> T_DEFAULT
%token <token> T_BREAK
%token <token> T_CONTINUE
%token <token> T_GOTO
%token <token> T_FUNCTION
%token <token> T_CONST
%token <token> T_RETURN
%token <token> T_TRY
%token <token> T_CATCH
%token <token> T_FINALLY
%token <token> T_THROW
%token <token> T_USE
%token <token> T_INSTEADOF
%token <token> T_GLOBAL
%token <token> T_VAR
%token <token> T_UNSET
%token <token> T_ISSET
%token <token> T_EMPTY
%token <token> T_HALT_COMPILER
%token <token> T_CLASS
%token <token> T_TRAIT
%token <token> T_INTERFACE
%token <token> T_EXTENDS
%token <token> T_IMPLEMENTS
%token <token> T_OBJECT_OPERATOR
%token <token> T_DOUBLE_ARROW
%token <token> T_LIST
%token <token> T_ARRAY
%token <token> T_CALLABLE
%token <token> T_CLASS_C
%token <token> T_TRAIT_C
%token <token> T_METHOD_C
%token <token> T_FUNC_C
%token <token> T_LINE
%token <token> T_FILE
%token <token> T_COMMENT
%token <token> T_DOC_COMMENT
%token <token> T_OPEN_TAG
%token <token> T_OPEN_TAG_WITH_ECHO
%token <token> T_CLOSE_TAG
%token <token> T_WHITESPACE
%token <token> T_START_HEREDOC
%token <token> T_END_HEREDOC
%token <token> T_DOLLAR_OPEN_CURLY_BRACES
%token <token> T_CURLY_OPEN
%token <token> T_PAAMAYIM_NEKUDOTAYIM
%token <token> T_NAMESPACE
%token <token> T_NS_C
%token <token> T_DIR
%token <token> T_NS_SEPARATOR
%token <token> T_ELLIPSIS
%token <token> T_EVAL
%token <token> T_REQUIRE
%token <token> T_REQUIRE_ONCE
%token <token> T_LOGICAL_OR
%token <token> T_LOGICAL_XOR
%token <token> T_LOGICAL_AND
%token <token> T_INSTANCEOF
%token <token> T_NEW
%token <token> T_CLONE
%token <token> T_ELSEIF
%token <token> T_ELSE
%token <token> T_ENDIF
%token <token> T_PRINT
%token <token> T_YIELD
%token <token> T_STATIC
%token <token> T_ABSTRACT
%token <token> T_FINAL
%token <token> T_PRIVATE
%token <token> T_PROTECTED
%token <token> T_PUBLIC
%token <token> T_INC
%token <token> T_DEC
%token <token> T_YIELD_FROM
%token <token> T_INT_CAST
%token <token> T_DOUBLE_CAST
%token <token> T_STRING_CAST
%token <token> T_ARRAY_CAST
%token <token> T_OBJECT_CAST
%token <token> T_BOOL_CAST
%token <token> T_UNSET_CAST
%token <token> T_COALESCE
%token <token> T_SPACESHIP
%token <token> T_NOELSE
%token <token> T_PLUS_EQUAL
%token <token> T_MINUS_EQUAL
%token <token> T_MUL_EQUAL
%token <token> T_POW_EQUAL
%token <token> T_DIV_EQUAL
%token <token> T_CONCAT_EQUAL
%token <token> T_MOD_EQUAL
%token <token> T_AND_EQUAL
%token <token> T_OR_EQUAL
%token <token> T_XOR_EQUAL
%token <token> T_SL_EQUAL
%token <token> T_SR_EQUAL
%token <token> T_BOOLEAN_OR
%token <token> T_BOOLEAN_AND
%token <token> T_POW
%token <token> T_SL
%token <token> T_SR
%token <token> T_IS_IDENTICAL
%token <token> T_IS_NOT_IDENTICAL
%token <token> T_IS_EQUAL
%token <token> T_IS_NOT_EQUAL
%token <token> T_IS_SMALLER_OR_EQUAL
%token <token> T_IS_GREATER_OR_EQUAL
%token <token> '"'
%token <token> '`'
%token <token> '{'
%token <token> '}'
%token <token> ';'
%token <token> ':'
%token <token> '('
%token <token> ')'
%token <token> '['
%token <token> ']'
%token <token> '?'
%token <token> '&'
%token <token> '-'
%token <token> '+'
%token <token> '!'
%token <token> '~'
%token <token> '@'
%token <token> '$'
%token <token> ','
%token <token> '|'
%token <token> '='
%token <token> '^'
%token <token> '*'
%token <token> '/'
%token <token> '%'
%token <token> '<'
%token <token> '>'
%token <token> '.'
%left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE
%left ','
%left T_LOGICAL_OR
%left T_LOGICAL_XOR
%left T_LOGICAL_AND
%right T_PRINT
%right T_YIELD
%left '=' T_PLUS_EQUAL T_MINUS_EQUAL T_MUL_EQUAL T_DIV_EQUAL T_CONCAT_EQUAL T_MOD_EQUAL T_AND_EQUAL T_OR_EQUAL T_XOR_EQUAL T_SL_EQUAL T_SR_EQUAL T_POW_EQUAL
%left '?' ':'
%left T_BOOLEAN_OR
%left T_BOOLEAN_AND
%left '|'
%left '^'
%left '&'
%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL
%nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL
%left T_SL T_SR
%left '+' '-' '.'
%left '*' '/' '%'
%right '!'
%nonassoc T_INSTANCEOF
%right '~' T_INC T_DEC T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@'
%right T_POW
%right '['
%nonassoc T_NEW T_CLONE
%left T_ELSEIF
%left T_ELSE
%left T_ENDIF
%right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC
%type <token> function interface_entry
%type <token> possible_comma
%type <token> case_separator
%type <node> top_statement use_declaration use_function_declaration use_const_declaration common_scalar
%type <node> static_class_constant compound_variable reference_variable class_name variable_class_name
%type <node> dim_offset expr expr_without_variable r_variable w_variable rw_variable variable base_variable_with_function_calls
%type <node> base_variable array_function_dereference function_call inner_statement statement unticked_statement
%type <node> statement global_var static_scalar scalar class_constant static_class_name_scalar class_name_scalar
%type <node> encaps_var encaps_var encaps_var_offset general_constant isset_variable internal_functions_in_yacc assignment_list_element
%type <node> variable_name variable_without_objects dynamic_class_name_reference new_expr class_name_reference static_member
%type <node> function_call fully_qualified_class_name combined_scalar combined_scalar_offset general_constant parenthesis_expr
%type <node> exit_expr yield_expr function_declaration_statement class_declaration_statement constant_declaration
%type <node> else_single new_else_single unset_variable declare_statement
%type <node> finally_statement additional_catch unticked_function_declaration_statement unticked_class_declaration_statement
%type <node> optional_class_type parameter class_entry_type class_statement class_constant_declaration
%type <node> trait_use_statement function_call_parameter trait_adaptation_statement trait_precedence trait_alias
%type <node> trait_method_reference_fully_qualified trait_method_reference trait_modifiers member_modifier method
%type <node> static_scalar_value static_operation
%type <node> ctor_arguments function_call_parameter_list
%type <node> trait_adaptations
%type <node> switch_case_list
%type <node> method_body
%type <node> foreach_statement for_statement while_statement
%type <node> foreach_variable foreach_optional_arg
%type <ClassExtends> extends_from
%type <ClassImplements> implements_list
%type <InterfaceExtends> interface_extends_list
%type <ClosureUse> lexical_vars
%type <list> top_statement_list namespace_name use_declarations use_function_declarations use_const_declarations
%type <list> inner_statement_list global_var_list static_var_list encaps_list isset_variables non_empty_array_pair_list
%type <list> array_pair_list assignment_list lexical_var_list elseif_list new_elseif_list non_empty_for_expr
%type <list> for_expr case_list echo_expr_list unset_variables declare_list catch_statement additional_catches
%type <list> non_empty_additional_catches parameter_list non_empty_parameter_list class_statement_list
%type <list> class_statement_list variable_modifiers method_modifiers class_variable_declaration
%type <list> interface_list non_empty_function_call_parameter_list trait_list trait_adaptation_list non_empty_trait_adaptation_list
%type <list> trait_reference_list non_empty_member_modifiers backticks_expr static_array_pair_list non_empty_static_array_pair_list
%type <list> chaining_dereference chaining_instance_call chaining_method_or_property instance_call variable_property
%type <list> method_or_not array_method_dereference object_property object_dim_list dynamic_class_name_variable_property
%type <list> dynamic_class_name_variable_properties variable_properties
%type <simpleIndirectReference> simple_indirect_reference
%type <token> is_reference is_variadic
%%
start:
top_statement_list
{
yylex.(*Parser).rootNode = node.NewRoot($1)
yylex.(*Parser).positions.AddPosition(yylex.(*Parser).rootNode, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
}
;
top_statement_list:
top_statement_list top_statement
{
if $2 != nil {
$$ = append($1, $2)
}
}
| /* empty */ { $$ = []node.Node{} }
;
namespace_name:
T_STRING
{
namePart := name.NewNamePart($1.Value)
$$ = []node.Node{namePart}
// save position
yylex.(*Parser).positions.AddPosition(namePart, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(namePart, $1, comment.StringToken)
}
| namespace_name T_NS_SEPARATOR T_STRING
{
namePart := name.NewNamePart($3.Value)
$$ = append($1, namePart)
// save position
yylex.(*Parser).positions.AddPosition(namePart, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.NsSeparatorToken)
yylex.(*Parser).comments.AddFromToken(namePart, $3, comment.StringToken)
}
;
top_statement:
error
{
// error
$$ = nil
}
| statement
{ $$ = $1 }
| function_declaration_statement
{ $$ = $1 }
| class_declaration_statement
{ $$ = $1 }
| T_HALT_COMPILER '(' ')' ';'
{
$$ = stmt.NewHaltCompiler()
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.HaltCompilerToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
| T_NAMESPACE namespace_name ';'
{
name := name.NewName($2)
$$ = stmt.NewNamespace(name, nil)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NamespaceToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_NAMESPACE namespace_name '{' top_statement_list '}'
{
name := name.NewName($2)
$$ = stmt.NewNamespace(name, $4)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $5))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NamespaceToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.CloseCurlyBracesToken)
}
| T_NAMESPACE '{' top_statement_list '}'
{
$$ = stmt.NewNamespace(nil, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NamespaceToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseCurlyBracesToken)
}
| T_USE use_declarations ';'
{
$$ = stmt.NewUseList(nil, $2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.UseToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_USE T_FUNCTION use_function_declarations ';'
{
useType := node.NewIdentifier($2.Value)
$$ = stmt.NewUseList(useType, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.UseToken)
yylex.(*Parser).comments.AddFromToken(useType, $2, comment.UseToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
| T_USE T_CONST use_const_declarations ';'
{
useType := node.NewIdentifier($2.Value)
$$ = stmt.NewUseList(useType, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.UseToken)
yylex.(*Parser).comments.AddFromToken(useType, $2, comment.UseToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
| constant_declaration ';'
{
$$ = $1
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
;
use_declarations:
use_declarations ',' use_declaration
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| use_declaration
{ $$ = []node.Node{$1} }
;
use_declaration:
namespace_name
{
name := name.NewName($1)
$$ = stmt.NewUse(nil, name, nil)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
}
| namespace_name T_AS T_STRING
{
name := name.NewName($1)
alias := node.NewIdentifier($3.Value)
$$ = stmt.NewUse(nil, name, alias)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition(alias, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AsToken)
yylex.(*Parser).comments.AddFromToken(alias, $3, comment.StringToken)
}
| T_NS_SEPARATOR namespace_name
{
name := name.NewName($2)
$$ = stmt.NewUse(nil, name, nil)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
}
| T_NS_SEPARATOR namespace_name T_AS T_STRING
{
name := name.NewName($2)
alias := node.NewIdentifier($4.Value)
$$ = stmt.NewUse(nil, name, alias)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition(alias, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListTokenPosition($2, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.AsToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.StringToken)
}
;
use_function_declarations:
use_function_declarations ',' use_function_declaration
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| use_function_declaration
{ $$ = []node.Node{$1} }
;
use_function_declaration:
namespace_name
{
name := name.NewName($1)
$$ = stmt.NewUse(nil, name, nil)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
}
| namespace_name T_AS T_STRING
{
name := name.NewName($1)
alias := node.NewIdentifier($3.Value)
$$ = stmt.NewUse(nil, name, alias)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition(alias, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AsToken)
yylex.(*Parser).comments.AddFromToken(alias, $3, comment.StringToken)
}
| T_NS_SEPARATOR namespace_name
{
name := name.NewName($2)
$$ = stmt.NewUse(nil, name, nil)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
}
| T_NS_SEPARATOR namespace_name T_AS T_STRING
{
name := name.NewName($2)
alias := node.NewIdentifier($4.Value)
$$ = stmt.NewUse(nil, name, alias)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition(alias, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListTokenPosition($2, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.AsToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.StringToken)
}
;
use_const_declarations:
use_const_declarations ',' use_const_declaration
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| use_const_declaration
{ $$ = []node.Node{$1} }
;
use_const_declaration:
namespace_name
{
name := name.NewName($1)
$$ = stmt.NewUse(nil, name, nil)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
}
| namespace_name T_AS T_STRING
{
name := name.NewName($1)
alias := node.NewIdentifier($3.Value)
$$ = stmt.NewUse(nil, name, alias)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition(alias, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AsToken)
yylex.(*Parser).comments.AddFromToken(alias, $3, comment.StringToken)
}
| T_NS_SEPARATOR namespace_name
{
name := name.NewName($2)
$$ = stmt.NewUse(nil, name, nil)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
}
| T_NS_SEPARATOR namespace_name T_AS T_STRING
{
name := name.NewName($2)
alias := node.NewIdentifier($4.Value)
$$ = stmt.NewUse(nil, name, alias)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition(alias, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListTokenPosition($2, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.AsToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.StringToken)
}
;
constant_declaration:
constant_declaration ',' T_STRING '=' static_scalar
{
name := node.NewIdentifier($3.Value)
constant := stmt.NewConstant(name, $5, "")
constList := $1.(*stmt.ConstList)
constList.Consts = append(constList.Consts, constant)
$$ = $1
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(constant, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $5))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeNodeListPosition($1, constList.Consts))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode(constList.Consts), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(name, $3, comment.StringToken)
yylex.(*Parser).comments.AddFromToken(constant, $4, comment.EqualToken)
}
| T_CONST T_STRING '=' static_scalar
{
name := node.NewIdentifier($2.Value)
constant := stmt.NewConstant(name, $4, "")
constList := []node.Node{constant}
$$ = stmt.NewConstList(constList)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition(constant, yylex.(*Parser).positionBuilder.NewTokenNodePosition($2, $4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, constList))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ConstToken)
yylex.(*Parser).comments.AddFromToken(name, $2, comment.StringToken)
yylex.(*Parser).comments.AddFromToken(constant, $3, comment.EqualToken)
}
;
inner_statement_list:
inner_statement_list inner_statement
{
if $2 != nil {
$$ = append($1, $2)
}
}
| /* empty */
{ $$ = []node.Node{} }
;
inner_statement:
error
{
// error
$$ = nil
}
| statement
{ $$ = $1 }
| function_declaration_statement
{ $$ = $1 }
| class_declaration_statement
{ $$ = $1 }
| T_HALT_COMPILER '(' ')' ';'
{
$$ = stmt.NewHaltCompiler()
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.HaltCompilerToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
;
statement:
unticked_statement
{ $$ = $1 }
| T_STRING ':'
{
label := node.NewIdentifier($1.Value)
$$ = stmt.NewLabel(label)
// save position
yylex.(*Parser).positions.AddPosition(label, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken(label, $1, comment.StringToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.ColonToken)
}
;
unticked_statement:
'{' inner_statement_list '}'
{
$$ = stmt.NewStmtList($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseCurlyBracesToken)
}
| T_IF parenthesis_expr statement elseif_list else_single
{
$$ = stmt.NewIf($2, $3, $4, $5)
// save position
if $5 != nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $5))
} else if len($4) > 0 {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $4))
} else {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $3))
}
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.IfToken)
}
| T_IF parenthesis_expr ':' inner_statement_list new_elseif_list new_else_single T_ENDIF ';'
{
stmts := stmt.NewStmtList($4)
$$ = stmt.NewAltIf($2, stmts, $5, $6)
// save position
yylex.(*Parser).positions.AddPosition(stmts, yylex.(*Parser).positionBuilder.NewNodeListPosition($4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $8))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.IfToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.ColonToken)
yylex.(*Parser).comments.AddFromToken($$, $7, comment.EndifToken)
yylex.(*Parser).comments.AddFromToken($$, $8, comment.SemiColonToken)
}
| T_WHILE parenthesis_expr while_statement
{
switch n := $3.(type) {
case *stmt.While :
n.Cond = $2
case *stmt.AltWhile :
n.Cond = $2
}
$$ = $3
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.WhileToken)
}
| T_DO statement T_WHILE parenthesis_expr ';'
{
$$ = stmt.NewDo($2, $4)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $5))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DoToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.WhileToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.SemiColonToken)
}
| T_FOR '(' for_expr ';' for_expr ';' for_expr ')' for_statement
{
switch n := $9.(type) {
case *stmt.For :
n.Init = $3
n.Cond = $5
n.Loop = $7
case *stmt.AltFor :
n.Init = $3
n.Cond = $5
n.Loop = $7
}
$$ = $9
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $9))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ForToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.ForInitSemicolonToken)
yylex.(*Parser).comments.AddFromToken($$, $6, comment.ForCondSemicolonToken)
yylex.(*Parser).comments.AddFromToken($$, $8, comment.CloseParenthesisToken)
}
| T_SWITCH parenthesis_expr switch_case_list
{
switch n := $3.(type) {
case *stmt.Switch:
n.Cond = $2
case *stmt.AltSwitch:
n.Cond = $2
default:
panic("unexpected node type")
}
$$ = $3
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.SwitchToken)
}
| T_BREAK ';'
{
$$ = stmt.NewBreak(nil)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.BreakToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
| T_BREAK expr ';'
{
$$ = stmt.NewBreak($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.BreakToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_CONTINUE ';'
{
$$ = stmt.NewContinue(nil)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ContinueToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
| T_CONTINUE expr ';'
{
$$ = stmt.NewContinue($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ContinueToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_RETURN ';'
{
$$ = stmt.NewReturn(nil)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ReturnToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
| T_RETURN expr_without_variable ';'
{
$$ = stmt.NewReturn($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ReturnToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_RETURN variable ';'
{
$$ = stmt.NewReturn($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ReturnToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| yield_expr ';'
{
$$ = stmt.NewExpression($1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
| T_GLOBAL global_var_list ';'
{
$$ = stmt.NewGlobal($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.GlobalToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_STATIC static_var_list ';'
{
$$ = stmt.NewStatic($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StaticToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_ECHO echo_expr_list ';'
{
$$ = stmt.NewEcho($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.EchoToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_INLINE_HTML
{
$$ = stmt.NewInlineHtml($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.InlineHTMLToken)
}
| expr ';'
{
$$ = stmt.NewExpression($1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
| T_UNSET '(' unset_variables ')' ';'
{
$$ = stmt.NewUnset($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $5))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.UnsetToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.SemiColonToken)
}
| T_FOREACH '(' variable T_AS foreach_variable foreach_optional_arg ')' foreach_statement
{
if $6 == nil {
switch n := $8.(type) {
case *stmt.Foreach :
n.Expr = $3
n.Variable = $5
case *stmt.AltForeach :
n.Expr = $3
n.Variable = $5
}
} else {
switch n := $8.(type) {
case *stmt.Foreach :
n.Expr = $3
n.Key = $5
n.Variable = $6
case *stmt.AltForeach :
n.Expr = $3
n.Key = $5
n.Variable = $6
}
}
$$ = $8
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $8))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ForeachToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.AsToken)
yylex.(*Parser).comments.AddFromToken($$, $7, comment.CloseParenthesisToken)
}
| T_FOREACH '(' expr_without_variable T_AS foreach_variable foreach_optional_arg ')' foreach_statement
{
if $6 == nil {
switch n := $8.(type) {
case *stmt.Foreach :
n.Expr = $3
n.Variable = $5
case *stmt.AltForeach :
n.Expr = $3
n.Variable = $5
}
} else {
switch n := $8.(type) {
case *stmt.Foreach :
n.Expr = $3
n.Key = $5
n.Variable = $6
case *stmt.AltForeach :
n.Expr = $3
n.Key = $5
n.Variable = $6
}
}
// save position
$$ = $8
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $8))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ForeachToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.AsToken)
yylex.(*Parser).comments.AddFromToken($$, $7, comment.CloseParenthesisToken)
}
| T_DECLARE '(' declare_list ')' declare_statement
{
$$ = stmt.NewDeclare($3, $5)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $5))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DeclareToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
}
| ';'
{
$$ = stmt.NewNop()
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.SemiColonToken)
}
| T_TRY '{' inner_statement_list '}' catch_statement finally_statement
{
$$ = stmt.NewTry($3, $5, $6)
// save position
if $6 == nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $5))
} else {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $6))
}
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.TryToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseCurlyBracesToken)
}
| T_THROW expr ';'
{
$$ = stmt.NewThrow($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ThrowToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| T_GOTO T_STRING ';'
{
label := node.NewIdentifier($2.Value)
$$ = stmt.NewGoto(label)
// save position
yylex.(*Parser).positions.AddPosition(label, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.GotoToken)
yylex.(*Parser).comments.AddFromToken(label, $2, comment.StringToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
;
catch_statement:
/* empty */
{ $$ = []node.Node{} }
| T_CATCH '(' fully_qualified_class_name T_VARIABLE ')' '{' inner_statement_list '}' additional_catches
{
identifier := node.NewIdentifier(strings.TrimLeft($4.Value, "$"))
variable := expr.NewVariable(identifier)
catch := stmt.NewCatch([]node.Node{$3}, variable, $7)
$$ = append([]node.Node{catch}, $9...)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition(catch, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $8))
// save comments
yylex.(*Parser).comments.AddFromToken(catch, $1, comment.CatchToken)
yylex.(*Parser).comments.AddFromToken(catch, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken(variable, $4, comment.StringToken)
yylex.(*Parser).comments.AddFromToken(catch, $5, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken(catch, $6, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken(catch, $8, comment.CloseCurlyBracesToken)
}
finally_statement:
/* empty */
{ $$ = nil }
| T_FINALLY '{' inner_statement_list '}'
{
$$ = stmt.NewFinally($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.FinallyToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseCurlyBracesToken)
}
;
additional_catches:
non_empty_additional_catches
{ $$ = $1 }
| /* empty */
{ $$ = []node.Node{} }
;
non_empty_additional_catches:
additional_catch
{ $$ = []node.Node{$1} }
| non_empty_additional_catches additional_catch
{ $$ = append($1, $2) }
;
additional_catch:
T_CATCH '(' fully_qualified_class_name T_VARIABLE ')' '{' inner_statement_list '}'
{
identifier := node.NewIdentifier(strings.TrimLeft($4.Value, "$"))
variable := expr.NewVariable(identifier)
$$ = stmt.NewCatch([]node.Node{$3}, variable, $7)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $8))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.CatchToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken(variable, $4, comment.StringToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $6, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $8, comment.CloseCurlyBracesToken)
}
;
unset_variables:
unset_variable
{ $$ = []node.Node{$1} }
| unset_variables ',' unset_variable
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
;
unset_variable:
variable
{ $$ = $1 }
;
function_declaration_statement:
unticked_function_declaration_statement
{ $$ = $1 }
;
class_declaration_statement:
unticked_class_declaration_statement
{ $$ = $1 }
;
is_reference:
/* empty */
{ $$ = nil }
| '&'
{ $$ = $1 }
;
is_variadic:
/* empty */
{ $$ = nil }
| T_ELLIPSIS
{ $$ = $1 }
;
unticked_function_declaration_statement:
function is_reference T_STRING '(' parameter_list ')' '{' inner_statement_list '}'
{
name := node.NewIdentifier($3.Value)
$$ = stmt.NewFunction(name, $2 != nil, $5, nil, $8, "")
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $9))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.FunctionToken)
if $2 != nil {
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AmpersandToken)
}
yylex.(*Parser).comments.AddFromToken(name, $3, comment.StringToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $6, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $7, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $9, comment.CloseCurlyBracesToken)
}
;
unticked_class_declaration_statement:
class_entry_type T_STRING extends_from implements_list '{' class_statement_list '}'
{
name := node.NewIdentifier($2.Value)
switch n := $1.(type) {
case *stmt.Class :
n.ClassName = name
n.Stmts = $6
n.Extends = $3
n.Implements = $4
case *stmt.Trait :
// TODO: is it possible that trait extend or implement
n.TraitName = name
n.Stmts = $6
}
$$ = $1
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $7))
// save comments
yylex.(*Parser).comments.AddFromToken(name, $2, comment.StringToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $7, comment.CloseCurlyBracesToken)
}
| interface_entry T_STRING interface_extends_list '{' class_statement_list '}'
{
name := node.NewIdentifier($2.Value)
$$ = stmt.NewInterface(name, $3, $5, "")
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $6))
// save comments
yylex.(*Parser).comments.AddFromToken(name, $2, comment.StringToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $6, comment.CloseCurlyBracesToken)
}
;
class_entry_type:
T_CLASS
{
$$ = stmt.NewClass(nil, nil, nil, nil, nil, nil, "")
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ClassToken)
}
| T_ABSTRACT T_CLASS
{
classModifier := node.NewIdentifier($1.Value)
$$ = stmt.NewClass(nil, []node.Node{classModifier}, nil, nil, nil, nil, "")
// save position
yylex.(*Parser).positions.AddPosition(classModifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken(classModifier, $1, comment.AbstractToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.ClassToken)
}
| T_TRAIT
{
$$ = stmt.NewTrait(nil, nil, "")
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.TraitToken)
}
| T_FINAL T_CLASS
{
classModifier := node.NewIdentifier($1.Value)
$$ = stmt.NewClass(nil, []node.Node{classModifier}, nil, nil, nil, nil, "")
// save position
yylex.(*Parser).positions.AddPosition(classModifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken(classModifier, $1, comment.FinalToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.ClassToken)
}
;
extends_from:
/* empty */
{ $$ = nil }
| T_EXTENDS fully_qualified_class_name
{
$$ = stmt.NewClassExtends($2);
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ExtendsToken)
}
;
interface_entry:
T_INTERFACE
{ $$ = $1 }
;
interface_extends_list:
/* empty */
{ $$ = nil }
| T_EXTENDS interface_list
{
$$ = stmt.NewInterfaceExtends($2);
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ExtendsToken)
}
;
implements_list:
/* empty */
{ $$ = nil }
| T_IMPLEMENTS interface_list
{
$$ = stmt.NewClassImplements($2);
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ImplementsToken)
}
;
interface_list:
fully_qualified_class_name
{ $$ = []node.Node{$1} }
| interface_list ',' fully_qualified_class_name
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
;
foreach_optional_arg:
/* empty */
{ $$ = nil }
| T_DOUBLE_ARROW foreach_variable
{
$$ = $2
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DoubleArrowToken)
}
;
foreach_variable:
variable
{ $$ = $1 }
| '&' variable
{
$$ = expr.NewReference($2)
// save position
yylex.(*Parser).positions.AddPosition($2, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.AmpersandToken)
}
| T_LIST '(' assignment_list ')'
{
$$ = expr.NewList($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ListToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
}
;
for_statement:
statement
{
$$ = stmt.NewFor(nil, nil, nil, $1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
| ':' inner_statement_list T_ENDFOR ';'
{
stmtList := stmt.NewStmtList($2)
$$ = stmt.NewAltFor(nil, nil, nil, stmtList)
// save position
yylex.(*Parser).positions.AddPosition(stmtList, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ColonToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.EndforToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
;
foreach_statement:
statement
{
$$ = stmt.NewForeach(nil, nil, nil, $1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
| ':' inner_statement_list T_ENDFOREACH ';'
{
stmtList := stmt.NewStmtList($2)
$$ = stmt.NewAltForeach(nil, nil, nil, stmtList)
// save position
yylex.(*Parser).positions.AddPosition(stmtList, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ColonToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.EndforeachToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
;
declare_statement:
statement
{ $$ = $1; }
| ':' inner_statement_list T_ENDDECLARE ';'
{
$$ = stmt.NewStmtList($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ColonToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.EnddeclareToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
;
declare_list:
T_STRING '=' static_scalar
{
name := node.NewIdentifier($1.Value)
constant := stmt.NewConstant(name, $3, "")
$$ = []node.Node{constant}
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(constant, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken(name, $1, comment.StringToken)
yylex.(*Parser).comments.AddFromToken(constant, $2, comment.EqualToken)
}
| declare_list ',' T_STRING '=' static_scalar
{
name := node.NewIdentifier($3.Value)
constant := stmt.NewConstant(name, $5, "")
$$ = append($1, constant)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(constant, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(name, $3, comment.StringToken)
yylex.(*Parser).comments.AddFromToken(constant, $4, comment.EqualToken)
}
;
switch_case_list:
'{' case_list '}'
{
caseList := stmt.NewCaseList($2)
$$ = stmt.NewSwitch(nil, caseList)
// save position
yylex.(*Parser).positions.AddPosition(caseList, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken(caseList, $1, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken(caseList, $3, comment.CloseCurlyBracesToken)
}
| '{' ';' case_list '}'
{
caseList := stmt.NewCaseList($3)
$$ = stmt.NewSwitch(nil, caseList)
// save position
yylex.(*Parser).positions.AddPosition(caseList, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken(caseList, $1, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken(caseList, $2, comment.SemiColonToken)
yylex.(*Parser).comments.AddFromToken(caseList, $4, comment.CloseCurlyBracesToken)
}
| ':' case_list T_ENDSWITCH ';'
{
caseList := stmt.NewCaseList($2)
$$ = stmt.NewAltSwitch(nil, caseList)
// save position
yylex.(*Parser).positions.AddPosition(caseList, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken(caseList, $1, comment.ColonToken)
yylex.(*Parser).comments.AddFromToken(caseList, $3, comment.EndswitchToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
| ':' ';' case_list T_ENDSWITCH ';'
{
caseList := stmt.NewCaseList($3)
$$ = stmt.NewAltSwitch(nil, caseList)
// save position
yylex.(*Parser).positions.AddPosition(caseList, yylex.(*Parser).positionBuilder.NewNodeListPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(caseList, $1, comment.ColonToken)
yylex.(*Parser).comments.AddFromToken(caseList, $2, comment.SemiColonToken)
yylex.(*Parser).comments.AddFromToken(caseList, $4, comment.EndswitchToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.SemiColonToken)
}
;
case_list:
/* empty */
{ $$ = []node.Node{} }
| case_list T_CASE expr case_separator inner_statement_list
{
_case := stmt.NewCase($3, $5)
$$ = append($1, _case)
// save position
yylex.(*Parser).positions.AddPosition(_case, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($2, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(_case, $2, comment.CaseToken)
yylex.(*Parser).comments.AddFromToken(_case, $4, comment.CaseSeparatorToken)
}
| case_list T_DEFAULT case_separator inner_statement_list
{
_default := stmt.NewDefault($4)
$$ = append($1, _default)
// save position
yylex.(*Parser).positions.AddPosition(_default, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($2, $4))
// save comments
yylex.(*Parser).comments.AddFromToken(_default, $2, comment.DefaultToken)
yylex.(*Parser).comments.AddFromToken(_default, $3, comment.CaseSeparatorToken)
}
;
case_separator:
':'
{ $$ = $1 }
| ';'
{ $$ = $1 }
;
while_statement:
statement
{
$$ = stmt.NewWhile(nil, $1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
| ':' inner_statement_list T_ENDWHILE ';'
{
stmtList := stmt.NewStmtList($2)
$$ = stmt.NewAltWhile(nil, stmtList)
// save position
yylex.(*Parser).positions.AddPosition(stmtList, yylex.(*Parser).positionBuilder.NewNodeListPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ColonToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.EndwhileToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.SemiColonToken)
}
;
elseif_list:
/* empty */
{ $$ = nil }
| elseif_list T_ELSEIF parenthesis_expr statement
{
_elseIf := stmt.NewElseIf($3, $4)
$$ = append($1, _elseIf)
// save position
yylex.(*Parser).positions.AddPosition(_elseIf, yylex.(*Parser).positionBuilder.NewTokenNodePosition($2, $4))
// save comments
yylex.(*Parser).comments.AddFromToken(_elseIf, $2, comment.ElseifToken)
}
;
new_elseif_list:
/* empty */
{ $$ = nil }
| new_elseif_list T_ELSEIF parenthesis_expr ':' inner_statement_list
{
stmts := stmt.NewStmtList($5)
_elseIf := stmt.NewAltElseIf($3, stmts)
$$ = append($1, _elseIf)
// save position
yylex.(*Parser).positions.AddPosition(stmts, yylex.(*Parser).positionBuilder.NewNodeListPosition($5))
yylex.(*Parser).positions.AddPosition(_elseIf, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($2, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(_elseIf, $2, comment.ElseifToken)
yylex.(*Parser).comments.AddFromToken(_elseIf, $4, comment.ColonToken)
}
;
else_single:
/* empty */
{ $$ = nil }
| T_ELSE statement
{
$$ = stmt.NewElse($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ElseToken)
}
;
new_else_single:
/* empty */
{ $$ = nil }
| T_ELSE ':' inner_statement_list
{
stmts := stmt.NewStmtList($3)
$$ = stmt.NewAltElse(stmts)
// save position
yylex.(*Parser).positions.AddPosition(stmts, yylex.(*Parser).positionBuilder.NewNodeListPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ElseToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.ColonToken)
}
;
parameter_list:
non_empty_parameter_list
{ $$ = $1; }
| /* empty */
{ $$ = nil }
;
non_empty_parameter_list:
parameter
{ $$ = []node.Node{$1} }
| non_empty_parameter_list ',' parameter
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
;
parameter:
optional_class_type is_reference is_variadic T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($4.Value, "$"))
variable := expr.NewVariable(identifier)
$$ = node.NewParameter($1, variable, nil, $2 != nil, $3 != nil)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
if $1 != nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
} else if $2 != nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($2, $4))
} else if $3 != nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($3, $4))
} else {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
}
// save comments
if $2 != nil {
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AmpersandToken)
}
if $3 != nil {
yylex.(*Parser).comments.AddFromToken($$, $3, comment.EllipsisToken)
}
yylex.(*Parser).comments.AddFromToken(variable, $4, comment.VariableToken)
}
| optional_class_type is_reference is_variadic T_VARIABLE '=' static_scalar
{
identifier := node.NewIdentifier(strings.TrimLeft($4.Value, "$"))
variable := expr.NewVariable(identifier)
$$ = node.NewParameter($1, variable, $6, $2 != nil, $3 != nil)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
if $1 != nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $6))
} else if $2 != nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($2, $6))
} else if $3 != nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $6))
} else {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($4, $6))
}
// save comments
if $2 != nil {
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AmpersandToken)
}
if $3 != nil {
yylex.(*Parser).comments.AddFromToken($$, $3, comment.EllipsisToken)
}
yylex.(*Parser).comments.AddFromToken(variable, $4, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.EqualToken)
}
;
optional_class_type:
/* empty */
{ $$ = nil }
| T_ARRAY
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ArrayToken)
}
| T_CALLABLE
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.CallableToken)
}
| fully_qualified_class_name
{ $$ = $1 }
;
function_call_parameter_list:
'(' ')'
{
$$ = node.NewArgumentList(nil)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.CloseParenthesisToken)
}
| '(' non_empty_function_call_parameter_list ')'
{
$$ = node.NewArgumentList($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseParenthesisToken)
}
| '(' yield_expr ')'
{
arg := node.NewArgument($2, false, false)
$$ = node.NewArgumentList([]node.Node{arg})
// save position
yylex.(*Parser).positions.AddPosition(arg, yylex.(*Parser).positionBuilder.NewNodePosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseParenthesisToken)
}
;
non_empty_function_call_parameter_list:
function_call_parameter
{ $$ = []node.Node{$1} }
| non_empty_function_call_parameter_list ',' function_call_parameter
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
;
function_call_parameter:
expr_without_variable
{
$$ = node.NewArgument($1, false, false)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
| variable
{
$$ = node.NewArgument($1, false, false)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
| '&' w_variable
{
$$ = node.NewArgument($2, false, true)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.AmpersandToken)
}
| T_ELLIPSIS expr
{
$$ = node.NewArgument($2, true, false)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.EllipsisToken)
}
;
global_var_list:
global_var_list ',' global_var
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| global_var
{ $$ = []node.Node{$1} }
;
global_var:
T_VARIABLE
{
name := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
$$ = expr.NewVariable(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.VariableToken)
}
| '$' r_variable
{
$$ = expr.NewVariable($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DollarToken)
}
| '$' '{' expr '}'
{
$$ = expr.NewVariable($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DollarToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseCurlyBracesToken)
}
;
static_var_list:
static_var_list ',' T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($3.Value, "$"))
variable := expr.NewVariable(identifier)
staticVar := stmt.NewStaticVar(variable, nil)
$$ = append($1, staticVar)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(staticVar, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(variable, $3, comment.VariableToken)
}
| static_var_list ',' T_VARIABLE '=' static_scalar
{
identifier := node.NewIdentifier(strings.TrimLeft($3.Value, "$"))
variable := expr.NewVariable(identifier)
staticVar := stmt.NewStaticVar(variable, $5)
$$ = append($1, staticVar)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(staticVar, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(variable, $3, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken(staticVar, $4, comment.EqualToken)
}
| T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
variable := expr.NewVariable(identifier)
staticVar := stmt.NewStaticVar(variable, nil)
$$ = []node.Node{staticVar}
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(staticVar, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(variable, $1, comment.VariableToken)
}
| T_VARIABLE '=' static_scalar
{
identifier := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
variable := expr.NewVariable(identifier)
staticVar := stmt.NewStaticVar(variable, $3)
$$ = []node.Node{staticVar}
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(staticVar, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken(variable, $1, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken(staticVar, $2, comment.EqualToken)
}
;
class_statement_list:
class_statement_list class_statement
{ $$ = append($1, $2) }
| /* empty */
{ $$ = []node.Node{} }
;
class_statement:
variable_modifiers class_variable_declaration ';'
{
$$ = stmt.NewPropertyList($1, $2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $3, comment.SemiColonToken)
}
| class_constant_declaration ';'
{
$$ = $1
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
| trait_use_statement
{
$$ = $1
}
| method_modifiers function is_reference T_STRING '(' parameter_list ')' method_body
{
name := node.NewIdentifier($4.Value)
$$ = stmt.NewClassMethod(name, $1, $3 != nil, $6, nil, $8, "")
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
if $1 == nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($2, $8))
} else {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListNodePosition($1, $8))
}
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.FunctionToken)
if $3 != nil {
yylex.(*Parser).comments.AddFromToken($$, $3, comment.AmpersandToken)
}
yylex.(*Parser).comments.AddFromToken(name, $4, comment.IdentifierToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $7, comment.CloseParenthesisToken)
}
;
trait_use_statement:
T_USE trait_list trait_adaptations
{
var adaptationList *stmt.TraitAdaptationList
switch n := $3.(type) {
case *stmt.TraitAdaptationList:
adaptationList = n
default:
adaptationList = nil
}
$$ = stmt.NewTraitUse($2, adaptationList)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.UseToken)
}
;
trait_list:
fully_qualified_class_name
{ $$ = []node.Node{$1} }
| trait_list ',' fully_qualified_class_name
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
;
trait_adaptations:
';'
{
$$ = stmt.NewNop()
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.SemiColonToken)
}
| '{' trait_adaptation_list '}'
{
$$ = stmt.NewTraitAdaptationList($2)
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseCurlyBracesToken)
}
;
trait_adaptation_list:
/* empty */
{ $$ = nil }
| non_empty_trait_adaptation_list
{ $$ = $1 }
;
non_empty_trait_adaptation_list:
trait_adaptation_statement
{ $$ = []node.Node{$1} }
| non_empty_trait_adaptation_list trait_adaptation_statement
{ $$ = append($1, $2) }
;
trait_adaptation_statement:
trait_precedence ';'
{
$$ = $1;
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
| trait_alias ';'
{
$$ = $1;
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SemiColonToken)
}
;
trait_precedence:
trait_method_reference_fully_qualified T_INSTEADOF trait_reference_list
{
$$ = stmt.NewTraitUsePrecedence($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeNodeListPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.InsteadofToken)
}
;
trait_reference_list:
fully_qualified_class_name
{ $$ = []node.Node{$1} }
| trait_reference_list ',' fully_qualified_class_name
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
;
trait_method_reference:
T_STRING
{
name := node.NewIdentifier($1.Value)
$$ = stmt.NewTraitMethodRef(nil, name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(name, $1, comment.IdentifierToken)
}
| trait_method_reference_fully_qualified
{ $$ = $1 }
;
trait_method_reference_fully_qualified:
fully_qualified_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING
{
target := node.NewIdentifier($3.Value)
$$ = stmt.NewTraitMethodRef($1, target)
// save position
yylex.(*Parser).positions.AddPosition(target, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
yylex.(*Parser).comments.AddFromToken(target, $3, comment.IdentifierToken)
}
;
trait_alias:
trait_method_reference T_AS trait_modifiers T_STRING
{
alias := node.NewIdentifier($4.Value)
$$ = stmt.NewTraitUseAlias($1, $3, alias)
// save position
yylex.(*Parser).positions.AddPosition(alias, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AsToken)
yylex.(*Parser).comments.AddFromToken(alias, $4, comment.IdentifierToken)
}
| trait_method_reference T_AS member_modifier
{
$$ = stmt.NewTraitUseAlias($1, $3, nil)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AsToken)
}
;
trait_modifiers:
/* empty */
{ $$ = nil }
| member_modifier
{ $$ = $1 }
;
method_body:
';' /* abstract method */
{
$$ = stmt.NewNop()
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.SemiColonToken)
}
| '{' inner_statement_list '}'
{
$$ = stmt.NewStmtList($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseCurlyBracesToken)
}
;
variable_modifiers:
non_empty_member_modifiers
{ $$ = $1; }
| T_VAR
{
modifier := node.NewIdentifier($1.Value)
$$ = []node.Node{modifier}
// save position
yylex.(*Parser).positions.AddPosition(modifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(modifier, $1, comment.VarToken)
}
;
method_modifiers:
/* empty */
{ $$ = nil }
| non_empty_member_modifiers
{ $$ = $1 }
;
non_empty_member_modifiers:
member_modifier
{ $$ = []node.Node{$1} }
| non_empty_member_modifiers member_modifier
{ $$ = append($1, $2) }
;
member_modifier:
T_PUBLIC
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.PublicToken)
}
| T_PROTECTED
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ProtectedToken)
}
| T_PRIVATE
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.PrivateToken)
}
| T_STATIC
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StaticToken)
}
| T_ABSTRACT
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.AbstractToken)
}
| T_FINAL
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.FinalToken)
}
;
class_variable_declaration:
class_variable_declaration ',' T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($3.Value, "$"))
variable := expr.NewVariable(identifier)
property := stmt.NewProperty(variable, nil, "")
$$ = append($1, property)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(property, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(variable, $3, comment.VariableToken)
}
| class_variable_declaration ',' T_VARIABLE '=' static_scalar
{
identifier := node.NewIdentifier(strings.TrimLeft($3.Value, "$"))
variable := expr.NewVariable(identifier)
property := stmt.NewProperty(variable, $5, "")
$$ = append($1, property)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(property, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(variable, $3, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken(property, $4, comment.EqualToken)
}
| T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
variable := expr.NewVariable(identifier)
property := stmt.NewProperty(variable, nil, "")
$$ = []node.Node{property}
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(property, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(variable, $1, comment.VariableToken)
}
| T_VARIABLE '=' static_scalar
{
identifier := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
variable := expr.NewVariable(identifier)
property := stmt.NewProperty(variable, $3, "")
$$ = []node.Node{property}
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(property, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken(variable, $1, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken(property, $2, comment.EqualToken)
}
;
class_constant_declaration:
class_constant_declaration ',' T_STRING '=' static_scalar
{
name := node.NewIdentifier($3.Value)
constant := stmt.NewConstant(name, $5, "")
constList := $1.(*stmt.ClassConstList)
constList.Consts = append(constList.Consts, constant)
$$ = $1
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(constant, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $5))
yylex.(*Parser).positions.AddPosition($1, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode(constList.Consts), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(name, $3, comment.IdentifierToken)
yylex.(*Parser).comments.AddFromToken(constant, $4, comment.EqualToken)
}
| T_CONST T_STRING '=' static_scalar
{
name := node.NewIdentifier($2.Value)
constant := stmt.NewConstant(name, $4, "")
$$ = stmt.NewClassConstList(nil, []node.Node{constant})
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition(constant, yylex.(*Parser).positionBuilder.NewTokenNodePosition($2, $4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ConstToken)
yylex.(*Parser).comments.AddFromToken(name, $2, comment.IdentifierToken)
yylex.(*Parser).comments.AddFromToken(constant, $3, comment.EqualToken)
}
;
echo_expr_list:
echo_expr_list ',' expr
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| expr
{ $$ = []node.Node{$1} }
;
for_expr:
/* empty */
{ $$ = nil }
| non_empty_for_expr
{ $$ = $1 }
;
non_empty_for_expr:
non_empty_for_expr ',' expr
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| expr
{ $$ = []node.Node{$1} }
;
chaining_method_or_property:
chaining_method_or_property variable_property
{ $$ = append($1, $2...) }
| variable_property
{ $$ = $1 }
;
chaining_dereference:
chaining_dereference '[' dim_offset ']'
{
fetch := expr.NewArrayDimFetch(nil, $3)
$$ = append($1, fetch)
// save position
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewNodePosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(fetch, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken(fetch, $4, comment.CloseSquareBracket)
}
| '[' dim_offset ']'
{
fetch := expr.NewArrayDimFetch(nil, $2)
$$ = []node.Node{fetch}
// save position
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewNodePosition($2))
// save comments
yylex.(*Parser).comments.AddFromToken(fetch, $1, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken(fetch, $3, comment.CloseSquareBracket)
}
;
chaining_instance_call:
chaining_dereference chaining_method_or_property
{ $$ = append($1, $2...) }
| chaining_dereference
{ $$ = $1 }
| chaining_method_or_property
{ $$ = $1 }
;
instance_call:
/* empty */
{ $$ = nil }
| chaining_instance_call
{ $$ = $1 }
;
new_expr:
T_NEW class_name_reference ctor_arguments
{
if $3 != nil {
$$ = expr.NewNew($2, $3.(*node.ArgumentList))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $3))
} else {
$$ = expr.NewNew($2, nil)
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
}
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NewToken)
}
;
expr_without_variable:
T_LIST '(' assignment_list ')' '=' expr
{
list := expr.NewList($3)
$$ = assign.NewAssign(list, $6)
// save position
yylex.(*Parser).positions.AddPosition(list, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $6))
// save comments
yylex.(*Parser).comments.AddFromToken(list, $1, comment.ListToken)
yylex.(*Parser).comments.AddFromToken(list, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken(list, $4, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.EqualToken)
}
| variable '=' expr
{
$$ = assign.NewAssign($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.EqualToken)
}
| variable '=' '&' variable
{
$$ = assign.NewReference($1, $4)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.EqualToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.AmpersandToken)
}
| variable '=' '&' T_NEW class_name_reference ctor_arguments
{
var _new *expr.New
if $6 != nil {
_new = expr.NewNew($5, $6.(*node.ArgumentList))
} else {
_new = expr.NewNew($5, nil)
}
$$ = assign.NewReference($1, _new)
// save position
if $6 != nil {
yylex.(*Parser).positions.AddPosition(_new, yylex.(*Parser).positionBuilder.NewTokenNodePosition($4, $6))
} else {
yylex.(*Parser).positions.AddPosition(_new, yylex.(*Parser).positionBuilder.NewTokenNodePosition($4, $5))
}
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, _new))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.EqualToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.AmpersandToken)
yylex.(*Parser).comments.AddFromToken(_new, $4, comment.NewToken)
}
| T_CLONE expr
{
$$ = expr.NewClone($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.CloneToken)
}
| variable T_PLUS_EQUAL expr
{
$$ = assign.NewPlus($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PlusEqualToken)
}
| variable T_MINUS_EQUAL expr
{
$$ = assign.NewMinus($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.MinusEqualToken)
}
| variable T_MUL_EQUAL expr
{
$$ = assign.NewMul($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.MulEqualToken)
}
| variable T_POW_EQUAL expr
{
$$ = assign.NewPow($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PowEqualToken)
}
| variable T_DIV_EQUAL expr
{
$$ = assign.NewDiv($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.DivEqualToken)
}
| variable T_CONCAT_EQUAL expr
{
$$ = assign.NewConcat($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.ConcatEqualToken)
}
| variable T_MOD_EQUAL expr
{
$$ = assign.NewMod($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.ModEqualToken)
}
| variable T_AND_EQUAL expr
{
$$ = assign.NewBitwiseAnd($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AndEqualToken)
}
| variable T_OR_EQUAL expr
{
$$ = assign.NewBitwiseOr($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OrEqualToken)
}
| variable T_XOR_EQUAL expr
{
$$ = assign.NewBitwiseXor($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.XorEqualToken)
}
| variable T_SL_EQUAL expr
{
$$ = assign.NewShiftLeft($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SlEqualToken)
}
| variable T_SR_EQUAL expr
{
$$ = assign.NewShiftRight($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SrEqualToken)
}
| rw_variable T_INC
{
$$ = expr.NewPostInc($1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IncToken)
}
| T_INC rw_variable
{
$$ = expr.NewPreInc($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.IncToken)
}
| rw_variable T_DEC
{
$$ = expr.NewPostDec($1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.DecToken)
}
| T_DEC rw_variable
{
$$ = expr.NewPreDec($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DecToken)
}
| expr T_BOOLEAN_OR expr
{
$$ = binary.NewBooleanOr($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.BooleanOrToken)
}
| expr T_BOOLEAN_AND expr
{
$$ = binary.NewBooleanAnd($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.BooleanAndToken)
}
| expr T_LOGICAL_OR expr
{
$$ = binary.NewLogicalOr($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.LogicalOrToken)
}
| expr T_LOGICAL_AND expr
{
$$ = binary.NewLogicalAnd($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.LogicalAndToken)
}
| expr T_LOGICAL_XOR expr
{
$$ = binary.NewLogicalXor($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.LogicalXorToken)
}
| expr '|' expr
{
$$ = binary.NewBitwiseOr($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.VerticalBarToken)
}
| expr '&' expr
{
$$ = binary.NewBitwiseAnd($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AmpersandToken)
}
| expr '^' expr
{
$$ = binary.NewBitwiseXor($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.CaretToken)
}
| expr '.' expr
{
$$ = binary.NewConcat($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.DotToken)
}
| expr '+' expr
{
$$ = binary.NewPlus($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PlusToken)
}
| expr '-' expr
{
$$ = binary.NewMinus($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.MinusToken)
}
| expr '*' expr
{
$$ = binary.NewMul($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AsteriskToken)
}
| expr T_POW expr
{
$$ = binary.NewPow($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PowToken)
}
| expr '/' expr
{
$$ = binary.NewDiv($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SlashToken)
}
| expr '%' expr
{
$$ = binary.NewMod($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PercentToken)
}
| expr T_SL expr
{
$$ = binary.NewShiftLeft($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SlToken)
}
| expr T_SR expr
{
$$ = binary.NewShiftRight($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SrToken)
}
| '+' expr %prec T_INC
{
$$ = expr.NewUnaryPlus($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.PlusToken)
}
| '-' expr %prec T_INC
{
$$ = expr.NewUnaryMinus($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.MinusToken)
}
| '!' expr
{
$$ = expr.NewBooleanNot($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ExclamationMarkToken)
}
| '~' expr
{
$$ = expr.NewBitwiseNot($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.TildeToken)
}
| expr T_IS_IDENTICAL expr
{
$$ = binary.NewIdentical($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsIdenticalToken)
}
| expr T_IS_NOT_IDENTICAL expr
{
$$ = binary.NewNotIdentical($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsNotIdenticalToken)
}
| expr T_IS_EQUAL expr
{
$$ = binary.NewEqual($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsEqualToken)
}
| expr T_IS_NOT_EQUAL expr
{
$$ = binary.NewNotEqual($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsNotEqualToken)
}
| expr '<' expr
{
$$ = binary.NewSmaller($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.LessToken)
}
| expr T_IS_SMALLER_OR_EQUAL expr
{
$$ = binary.NewSmallerOrEqual($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsSmallerOrEqualToken)
}
| expr '>' expr
{
$$ = binary.NewGreater($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.GreaterToken)
}
| expr T_IS_GREATER_OR_EQUAL expr
{
$$ = binary.NewGreaterOrEqual($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsGreaterOrEqualToken)
}
| expr T_INSTANCEOF class_name_reference
{
$$ = expr.NewInstanceOf($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.InstanceofToken)
}
| parenthesis_expr
{ $$ = $1 }
| new_expr
{ $$ = $1 }
| '(' new_expr ')' instance_call
{
$$ = $2
for _, n := range($4) {
switch nn := n.(type) {
case *expr.ArrayDimFetch:
nn.Variable = $$
$$ = nn
case *expr.PropertyFetch:
nn.Variable = $$
$$ = nn
case *expr.MethodCall:
nn.Variable = $$
$$ = nn
}
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, n))
}
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseParenthesisToken)
}
| expr '?' expr ':' expr
{
$$ = expr.NewTernary($1, $3, $5)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $5))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.QuestionMarkToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.ColonToken)
}
| expr '?' ':' expr
{
$$ = expr.NewTernary($1, nil, $4)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.QuestionMarkToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.ColonToken)
}
| internal_functions_in_yacc
{ $$ = $1 }
| T_INT_CAST expr
{
$$ = cast.NewInt($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.IntCastToken)
}
| T_DOUBLE_CAST expr
{
$$ = cast.NewDouble($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DoubleCastToken)
}
| T_STRING_CAST expr
{
$$ = cast.NewString($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StringCastToken)
}
| T_ARRAY_CAST expr
{
$$ = cast.NewArray($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ArrayCastToken)
}
| T_OBJECT_CAST expr
{
$$ = cast.NewObject($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ObjectCastToken)
}
| T_BOOL_CAST expr
{
$$ = cast.NewBool($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.BoolCastToken)
}
| T_UNSET_CAST expr
{
$$ = cast.NewUnset($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.UnsetCastToken)
}
| T_EXIT exit_expr
{
if (strings.EqualFold($1.Value, "die")) {
$$ = expr.NewDie(nil)
if $2 != nil {
$$.(*expr.Die).Expr = $2.(*expr.Exit).Expr
}
} else {
$$ = expr.NewExit(nil)
if $2 != nil {
$$.(*expr.Exit).Expr = $2.(*expr.Exit).Expr
}
}
// save position
if $2 == nil {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
} else {
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
}
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ExitToken)
if $2 != nil {
yylex.(*Parser).comments.AddFromChildNode($$, $2)
}
}
| '@' expr
{
$$ = expr.NewErrorSuppress($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.AtToken)
}
| scalar
{ $$ = $1 }
| combined_scalar_offset
{ $$ = $1 }
| combined_scalar
{ $$ = $1 }
| '`' backticks_expr '`'
{
$$ = expr.NewShellExec($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.BackquoteToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.BackquoteToken)
}
| T_PRINT expr
{
$$ = expr.NewPrint($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.PrintToken)
}
| T_YIELD
{
$$ = expr.NewYield(nil, nil)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.YieldToken)
}
| function is_reference '(' parameter_list ')' lexical_vars '{' inner_statement_list '}'
{
$$ = expr.NewClosure($4, $6, nil, $8, false, $2 != nil, "")
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $9))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.FunctionToken)
if $2 != nil {
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AmpersandToken)
}
yylex.(*Parser).comments.AddFromToken($$, $3, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $7, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $9, comment.CloseCurlyBracesToken)
}
| T_STATIC function is_reference '(' parameter_list ')' lexical_vars '{' inner_statement_list '}'
{
$$ = expr.NewClosure($5, $7, nil, $9, true, $3 != nil, "")
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $10))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StaticToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.FunctionToken)
if $3 != nil {
yylex.(*Parser).comments.AddFromToken($$, $3, comment.AmpersandToken)
}
yylex.(*Parser).comments.AddFromToken($$, $4, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $6, comment.CloseParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $8, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $10, comment.CloseCurlyBracesToken)
}
;
yield_expr:
T_YIELD expr_without_variable
{
$$ = expr.NewYield(nil, $2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.YieldToken)
}
| T_YIELD variable
{
$$ = expr.NewYield(nil, $2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.YieldToken)
}
| T_YIELD expr T_DOUBLE_ARROW expr_without_variable
{
$$ = expr.NewYield($2, $4)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.YieldToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.DoubleArrowToken)
}
| T_YIELD expr T_DOUBLE_ARROW variable
{
$$ = expr.NewYield($2, $4)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.YieldToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.DoubleArrowToken)
}
;
combined_scalar_offset:
combined_scalar '[' dim_offset ']'
{
$$ = expr.NewArrayDimFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
| combined_scalar_offset '[' dim_offset ']'
{
$$ = expr.NewArrayDimFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
| T_CONSTANT_ENCAPSED_STRING '[' dim_offset ']'
{
str := scalar.NewString($1.Value)
$$ = expr.NewArrayDimFetch(str, $3)
// save position
yylex.(*Parser).positions.AddPosition(str, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition(str, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
| general_constant '[' dim_offset ']'
{
$$ = expr.NewArrayDimFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
;
combined_scalar:
T_ARRAY '(' array_pair_list ')'
{
$$ = expr.NewArray($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ArrayToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
}
| '[' array_pair_list ']'
{
$$ = expr.NewShortArray($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseSquareBracket)
}
;
function:
T_FUNCTION
{ $$ = $1 }
;
lexical_vars:
/* empty */
{ $$ = nil }
| T_USE '(' lexical_var_list ')'
{
$$ = expr.NewClosureUse($3)
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
}
;
lexical_var_list:
lexical_var_list ',' T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($3.Value, "$"))
variable := expr.NewVariable(identifier)
$$ = append($1, variable)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(variable, $3, comment.VariableToken)
}
| lexical_var_list ',' '&' T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($4.Value, "$"))
variable := expr.NewVariable(identifier)
reference := expr.NewReference(variable)
$$ = append($1, reference)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($4))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(reference, $3, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken(variable, $4, comment.VariableToken)
}
| T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
variable := expr.NewVariable(identifier)
$$ = []node.Node{variable}
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(variable, $1, comment.VariableToken)
}
| '&' T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($2.Value, "$"))
variable := expr.NewVariable(identifier)
reference := expr.NewReference(variable)
$$ = []node.Node{reference}
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition(reference, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken(reference, $1, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken(variable, $2, comment.VariableToken)
}
;
function_call:
namespace_name function_call_parameter_list
{
name := name.NewName($1)
$$ = expr.NewFunctionCall(name, $2.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition(name, $2))
}
| T_NAMESPACE T_NS_SEPARATOR namespace_name function_call_parameter_list
{
funcName := name.NewRelative($3)
$$ = expr.NewFunctionCall(funcName, $4.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition(funcName, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition(funcName, $4))
// save comments
yylex.(*Parser).comments.AddFromToken(funcName, $1, comment.NamespaceToken)
yylex.(*Parser).comments.AddFromToken(funcName, $2, comment.NsSeparatorToken)
}
| T_NS_SEPARATOR namespace_name function_call_parameter_list
{
funcName := name.NewFullyQualified($2)
$$ = expr.NewFunctionCall(funcName, $3.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition(funcName, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition(funcName, $3))
// save comments
yylex.(*Parser).comments.AddFromToken(funcName, $1, comment.NsSeparatorToken)
}
| class_name T_PAAMAYIM_NEKUDOTAYIM variable_name function_call_parameter_list
{
$$ = expr.NewStaticCall($1, $3, $4.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
| class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects function_call_parameter_list
{
$$ = expr.NewStaticCall($1, $3, $4.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
| variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_name function_call_parameter_list
{
$$ = expr.NewStaticCall($1, $3, $4.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
| variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects function_call_parameter_list
{
$$ = expr.NewStaticCall($1, $3, $4.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
| variable_without_objects function_call_parameter_list
{
$$ = expr.NewFunctionCall($1, $2.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $2))
}
;
class_name:
T_STATIC
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StaticToken)
}
| namespace_name
{
$$ = name.NewName($1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
}
| T_NAMESPACE T_NS_SEPARATOR namespace_name
{
$$ = name.NewRelative($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NamespaceToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.NsSeparatorToken)
}
| T_NS_SEPARATOR namespace_name
{
$$ = name.NewFullyQualified($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
}
;
fully_qualified_class_name:
namespace_name
{
$$ = name.NewName($1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
}
| T_NAMESPACE T_NS_SEPARATOR namespace_name
{
$$ = name.NewRelative($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NamespaceToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.NsSeparatorToken)
}
| T_NS_SEPARATOR namespace_name
{
$$ = name.NewFullyQualified($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
}
;
class_name_reference:
class_name
{ $$ = $1 }
| dynamic_class_name_reference
{ $$ = $1 }
;
dynamic_class_name_reference:
base_variable T_OBJECT_OPERATOR object_property dynamic_class_name_variable_properties
{
$$ = $1
// save comments
yylex.(*Parser).comments.AddFromToken($3[0], $2, comment.ObjectOperatorToken)
for _, n := range($3) {
switch nn := n.(type) {
case *expr.ArrayDimFetch:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
case *expr.PropertyFetch:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
}
}
for _, n := range($4) {
switch nn := n.(type) {
case *expr.ArrayDimFetch:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
case *expr.PropertyFetch:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
}
}
}
| base_variable
{ $$ = $1 }
;
dynamic_class_name_variable_properties:
dynamic_class_name_variable_properties dynamic_class_name_variable_property
{ $$ = append($1, $2...) }
| /* empty */
{ $$ = []node.Node{} }
;
dynamic_class_name_variable_property:
T_OBJECT_OPERATOR object_property
{
$$ = $2
// save comments
yylex.(*Parser).comments.AddFromToken($2[0], $1, comment.ObjectOperatorToken)
}
;
exit_expr:
/* empty */
{ $$ = nil }
| '(' ')'
{
$$ = expr.NewExit(nil);
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.CloseParenthesisToken)
}
| parenthesis_expr
{
$$ = expr.NewExit($1);
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
;
backticks_expr:
/* empty */
{ $$ = []node.Node{} }
| T_ENCAPSED_AND_WHITESPACE
{ $$ = []node.Node{scalar.NewEncapsedStringPart($1.Value)} }
| encaps_list
{ $$ = $1; }
;
ctor_arguments:
/* empty */
{ $$ = nil }
| function_call_parameter_list
{ $$ = $1 }
;
common_scalar:
T_LNUMBER
{
$$ = scalar.NewLnumber($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.LnumberToken)
}
| T_DNUMBER
{
$$ = scalar.NewDnumber($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DnumberToken)
}
| T_CONSTANT_ENCAPSED_STRING
{
$$ = scalar.NewString($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ConstantEncapsedStringToken)
}
| T_LINE
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.LineToken)
}
| T_FILE
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.FileToken)
}
| T_DIR
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DirToken)
}
| T_TRAIT_C
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.TraitCToken)
}
| T_METHOD_C
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.MethodCToken)
}
| T_FUNC_C
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.FuncCToken)
}
| T_NS_C
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsCToken)
}
| T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC
{
encapsed := scalar.NewEncapsedStringPart($2.Value)
$$ = scalar.NewHeredoc($1.Value, []node.Node{encapsed})
// save position
yylex.(*Parser).positions.AddPosition(encapsed, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StartHeredocToken)
}
| T_START_HEREDOC T_END_HEREDOC
{
$$ = scalar.NewHeredoc($1.Value, nil)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StartHeredocToken)
}
;
static_class_constant:
class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING
{
target := node.NewIdentifier($3.Value)
$$ = expr.NewClassConstFetch($1, target)
// save position
yylex.(*Parser).positions.AddPosition(target, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
yylex.(*Parser).comments.AddFromToken(target, $3, comment.IdentifierToken)
}
;
static_scalar:
static_scalar_value
{ $$ = $1 }
;
static_scalar_value:
common_scalar
{ $$ = $1 }
| static_class_name_scalar
{ $$ = $1 }
| namespace_name
{
name := name.NewName($1)
$$ = expr.NewConstFetch(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition(name))
}
| T_NAMESPACE T_NS_SEPARATOR namespace_name
{
name := name.NewRelative($3)
$$ = expr.NewConstFetch(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NamespaceToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.NsSeparatorToken)
}
| T_NS_SEPARATOR namespace_name
{
name := name.NewFullyQualified($2)
$$ = expr.NewConstFetch(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
}
| T_ARRAY '(' static_array_pair_list ')'
{
$$ = expr.NewArray($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ArrayToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
}
| '[' static_array_pair_list ']'
{
$$ = expr.NewShortArray($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseSquareBracket)
}
| static_class_constant
{ $$ = $1 }
| T_CLASS_C
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ClassCToken)
}
| static_operation
{ $$ = $1 }
;
static_operation:
static_scalar_value '[' static_scalar_value ']'
{
$$ = expr.NewArrayDimFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
| static_scalar_value '+' static_scalar_value
{
$$ = binary.NewPlus($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PlusToken)
}
| static_scalar_value '-' static_scalar_value
{
$$ = binary.NewMinus($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.MinusToken)
}
| static_scalar_value '*' static_scalar_value
{
$$ = binary.NewMul($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AsteriskToken)
}
| static_scalar_value T_POW static_scalar_value
{
$$ = binary.NewPow($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PowToken)
}
| static_scalar_value '/' static_scalar_value
{
$$ = binary.NewDiv($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SlashToken)
}
| static_scalar_value '%' static_scalar_value
{
$$ = binary.NewMod($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PercentToken)
}
| '!' static_scalar_value
{
$$ = expr.NewBooleanNot($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ExclamationMarkToken)
}
| '~' static_scalar_value
{
$$ = expr.NewBitwiseNot($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.TildeToken)
}
| static_scalar_value '|' static_scalar_value
{
$$ = binary.NewBitwiseOr($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.VerticalBarToken)
}
| static_scalar_value '&' static_scalar_value
{
$$ = binary.NewBitwiseAnd($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.AmpersandToken)
}
| static_scalar_value '^' static_scalar_value
{
$$ = binary.NewBitwiseXor($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.CaretToken)
}
| static_scalar_value T_SL static_scalar_value
{
$$ = binary.NewShiftLeft($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SlToken)
}
| static_scalar_value T_SR static_scalar_value
{
$$ = binary.NewShiftRight($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.SrToken)
}
| static_scalar_value '.' static_scalar_value
{
$$ = binary.NewConcat($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.DotToken)
}
| static_scalar_value T_LOGICAL_XOR static_scalar_value
{
$$ = binary.NewLogicalXor($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.LogicalXorToken)
}
| static_scalar_value T_LOGICAL_AND static_scalar_value
{
$$ = binary.NewLogicalAnd($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.LogicalAndToken)
}
| static_scalar_value T_LOGICAL_OR static_scalar_value
{
$$ = binary.NewLogicalOr($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.LogicalOrToken)
}
| static_scalar_value T_BOOLEAN_AND static_scalar_value
{
$$ = binary.NewBooleanAnd($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.BooleanAndToken)
}
| static_scalar_value T_BOOLEAN_OR static_scalar_value
{
$$ = binary.NewBooleanOr($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.BooleanOrToken)
}
| static_scalar_value T_IS_IDENTICAL static_scalar_value
{
$$ = binary.NewIdentical($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsIdenticalToken)
}
| static_scalar_value T_IS_NOT_IDENTICAL static_scalar_value
{
$$ = binary.NewNotIdentical($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsNotIdenticalToken)
}
| static_scalar_value T_IS_EQUAL static_scalar_value
{
$$ = binary.NewEqual($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsEqualToken)
}
| static_scalar_value T_IS_NOT_EQUAL static_scalar_value
{
$$ = binary.NewNotEqual($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsNotEqualToken)
}
| static_scalar_value '<' static_scalar_value
{
$$ = binary.NewSmaller($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.LessToken)
}
| static_scalar_value '>' static_scalar_value
{
$$ = binary.NewGreater($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.GreaterToken)
}
| static_scalar_value T_IS_SMALLER_OR_EQUAL static_scalar_value
{
$$ = binary.NewSmallerOrEqual($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsSmallerOrEqualToken)
}
| static_scalar_value T_IS_GREATER_OR_EQUAL static_scalar_value
{
$$ = binary.NewGreaterOrEqual($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.IsGreaterOrEqualToken)
}
| static_scalar_value '?' ':' static_scalar_value
{
$$ = expr.NewTernary($1, nil, $4)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.QuestionMarkToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.ColonToken)
}
| static_scalar_value '?' static_scalar_value ':' static_scalar_value
{
$$ = expr.NewTernary($1, $3, $5)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $5))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.QuestionMarkToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.ColonToken)
}
| '+' static_scalar_value
{
$$ = expr.NewUnaryPlus($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.PlusToken)
}
| '-' static_scalar_value
{
$$ = expr.NewUnaryMinus($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.MinusToken)
}
| '(' static_scalar_value ')'
{
$$ = $2
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseParenthesisToken)
}
;
general_constant:
class_constant
{ $$ = $1 }
| namespace_name
{
name := name.NewName($1)
$$ = expr.NewConstFetch(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewNodeListPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition(name))
}
| T_NAMESPACE T_NS_SEPARATOR namespace_name
{
name := name.NewRelative($3)
$$ = expr.NewConstFetch(name)
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition(name))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NamespaceToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.NsSeparatorToken)
}
| T_NS_SEPARATOR namespace_name
{
name := name.NewFullyQualified($2)
$$ = expr.NewConstFetch(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenNodeListPosition($1, $2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition(name))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NsSeparatorToken)
}
;
scalar:
T_STRING_VARNAME
{
name := node.NewIdentifier($1.Value)
$$ = expr.NewVariable(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(name, $1, comment.StringVarnameToken)
}
| general_constant
{ $$ = $1 }
| class_name_scalar
{ $$ = $1 }
| common_scalar
{ $$ = $1 }
| '"' encaps_list '"'
{
$$ = scalar.NewEncapsed($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DoubleQuoteToken)
}
| T_START_HEREDOC encaps_list T_END_HEREDOC
{
$$ = scalar.NewHeredoc($1.Value, $2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StartHeredocToken)
}
| T_CLASS_C
{
$$ = scalar.NewMagicConstant($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.ClassCToken)
}
;
static_array_pair_list:
/* empty */
{ $$ = nil }
| non_empty_static_array_pair_list possible_comma
{
$$ = $1
// save comments
if $2 != nil {
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
}
;
possible_comma:
/* empty */
{ $$ = nil }
| ','
{ $$ = $1 }
;
non_empty_static_array_pair_list:
non_empty_static_array_pair_list ',' static_scalar_value T_DOUBLE_ARROW static_scalar_value
{
arrayItem := expr.NewArrayItem($3, $5)
$$ = append($1, arrayItem)
// save position
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodesPosition($3, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(arrayItem, $4, comment.DoubleArrowToken)
}
| non_empty_static_array_pair_list ',' static_scalar_value
{
arrayItem := expr.NewArrayItem(nil, $3)
$$ = append($1, arrayItem)
// save position
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodePosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| static_scalar_value T_DOUBLE_ARROW static_scalar_value
{
arrayItem := expr.NewArrayItem($1, $3)
$$ = []node.Node{arrayItem}
// save position
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken(arrayItem, $2, comment.DoubleArrowToken)
}
| static_scalar_value
{
arrayItem := expr.NewArrayItem(nil, $1)
$$ = []node.Node{arrayItem}
// save position
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
;
expr:
r_variable
{ $$ = $1 }
| expr_without_variable
{ $$ = $1 }
;
parenthesis_expr:
'(' expr ')'
{ $$ = $2 }
| '(' yield_expr ')'
{ $$ = $2 }
;
r_variable:
variable
{ $$ = $1 }
;
w_variable:
variable
{ $$ = $1 }
;
rw_variable:
variable
{ $$ = $1 }
;
variable:
base_variable_with_function_calls T_OBJECT_OPERATOR object_property method_or_not variable_properties
{
$$ = $1
if $4 != nil {
$4[0].(*expr.MethodCall).Method = $3[len($3)-1].(*expr.PropertyFetch).Property
$3 = append($3[:len($3)-1], $4...)
}
// save comments
yylex.(*Parser).comments.AddFromToken($3[0], $2, comment.ObjectOperatorToken)
for _, n := range($3) {
switch nn := n.(type) {
case *expr.ArrayDimFetch:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
case *expr.PropertyFetch:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
case *expr.MethodCall:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
}
}
for _, n := range($5) {
switch nn := n.(type) {
case *expr.ArrayDimFetch:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
case *expr.PropertyFetch:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
case *expr.MethodCall:
nn.Variable = $$
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($$, nn))
$$ = nn
}
}
}
| base_variable_with_function_calls
{ $$ = $1 }
;
variable_properties:
variable_properties variable_property
{ $$ = append($1, $2...) }
| /* empty */
{ $$ = []node.Node{} }
;
variable_property:
T_OBJECT_OPERATOR object_property method_or_not
{
if $3 != nil {
$3[0].(*expr.MethodCall).Method = $2[len($2)-1].(*expr.PropertyFetch).Property
$2 = append($2[:len($2)-1], $3...)
}
$$ = $2
// save comments
yylex.(*Parser).comments.AddFromToken($2[0], $1, comment.ObjectOperatorToken)
}
;
array_method_dereference:
array_method_dereference '[' dim_offset ']'
{
fetch := expr.NewArrayDimFetch(nil, $3)
$$ = append($1, fetch)
// save position
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewNodePosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(fetch, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken(fetch, $4, comment.CloseSquareBracket)
}
| method '[' dim_offset ']'
{
fetch := expr.NewArrayDimFetch(nil, $3)
$$ = []node.Node{$1, fetch}
// save position
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewNodePosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(fetch, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken(fetch, $4, comment.CloseSquareBracket)
}
;
method:
function_call_parameter_list
{
$$ = expr.NewMethodCall(nil, nil, $1.(*node.ArgumentList))
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
;
method_or_not:
method
{ $$ = []node.Node{$1} }
| array_method_dereference
{ $$ = $1 }
| /* empty */
{ $$ = nil }
;
variable_without_objects:
reference_variable
{ $$ = $1 }
| simple_indirect_reference reference_variable
{
$1.last.SetVarName($2)
for _, n := range($1.all) {
yylex.(*Parser).positions[n] = yylex.(*Parser).positionBuilder.NewNodesPosition(n, $2)
}
$$ = $1.all[0]
}
;
static_member:
class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects
{
$$ = expr.NewStaticPropertyFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
| variable_class_name T_PAAMAYIM_NEKUDOTAYIM variable_without_objects
{
$$ = expr.NewStaticPropertyFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
;
variable_class_name:
reference_variable
{ $$ = $1 }
;
array_function_dereference:
array_function_dereference '[' dim_offset ']'
{
$$ = expr.NewArrayDimFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
| function_call '[' dim_offset ']'
{
$$ = expr.NewArrayDimFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
;
base_variable_with_function_calls:
base_variable { $$ = $1 }
| array_function_dereference { $$ = $1 }
| function_call { $$ = $1 }
;
base_variable:
reference_variable
{ $$ = $1 }
| simple_indirect_reference reference_variable
{
$1.last.SetVarName($2)
for _, n := range($1.all) {
yylex.(*Parser).positions[n] = yylex.(*Parser).positionBuilder.NewNodesPosition(n, $2)
}
$$ = $1.all[0]
}
| static_member
{ $$ = $1 }
;
reference_variable:
reference_variable '[' dim_offset ']'
{
$$ = expr.NewArrayDimFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
| reference_variable '{' expr '}'
{
$$ = expr.NewArrayDimFetch($1, $3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseCurlyBracesToken)
}
| compound_variable
{ $$ = $1 }
;
compound_variable:
T_VARIABLE
{
name := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
$$ = expr.NewVariable(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.VariableToken)
}
| '$' '{' expr '}'
{
$$ = expr.NewVariable($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DollarToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseCurlyBracesToken)
}
;
dim_offset:
/* empty */
{ $$ = nil }
| expr
{ $$ = $1 }
;
object_property:
object_dim_list
{ $$ = $1 }
| variable_without_objects
{
fetch := expr.NewPropertyFetch(nil, $1)
$$ = []node.Node{fetch}
// save position
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
;
object_dim_list:
object_dim_list '[' dim_offset ']'
{
fetch := expr.NewArrayDimFetch(nil, $3)
$$ = append($1, fetch)
// save position
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewNodePosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(fetch, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken(fetch, $4, comment.CloseSquareBracket)
}
| object_dim_list '{' expr '}'
{
fetch := expr.NewArrayDimFetch(nil, $3)
$$ = append($1, fetch)
// save position
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewNodePosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(fetch, $2, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken(fetch, $4, comment.CloseCurlyBracesToken)
}
| variable_name
{
fetch := expr.NewPropertyFetch(nil, $1)
$$ = []node.Node{fetch}
// save position
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
;
variable_name:
T_STRING
{
$$ = node.NewIdentifier($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StringToken)
}
| '{' expr '}'
{
$$ = $2
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.OpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseCurlyBracesToken)
}
;
simple_indirect_reference:
'$'
{
n := expr.NewVariable(nil)
$$ = simpleIndirectReference{[]*expr.Variable{n}, n}
// save position
yylex.(*Parser).positions.AddPosition(n, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(n, $1, comment.DollarToken)
}
| simple_indirect_reference '$'
{
n := expr.NewVariable(nil)
$1.last.SetVarName(n)
$1.all = append($1.all, n)
$1.last = n
$$ = $1
// save position
yylex.(*Parser).positions.AddPosition(n, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
// save comments
yylex.(*Parser).comments.AddFromToken(n, $2, comment.DollarToken)
}
;
assignment_list:
assignment_list ',' assignment_list_element
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| assignment_list_element
{
if $1 == nil {
$$ = []node.Node{}
} else {
$$ = []node.Node{$1}
}
}
;
assignment_list_element:
variable
{
$$ = expr.NewArrayItem(nil, $1)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
| T_LIST '(' assignment_list ')'
{
item := expr.NewList($3)
$$ = expr.NewArrayItem(nil, item)
// save position
yylex.(*Parser).positions.AddPosition(item, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodePosition(item))
// save comments
yylex.(*Parser).comments.AddFromToken(item, $1, comment.ListToken)
yylex.(*Parser).comments.AddFromToken(item, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken(item, $4, comment.CloseParenthesisToken)
}
| /* empty */
{ $$ = nil }
;
array_pair_list:
/* empty */
{ $$ = []node.Node{} }
| non_empty_array_pair_list possible_comma
{
$$ = $1
// save comments
if $2 != nil {
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
}
;
non_empty_array_pair_list:
non_empty_array_pair_list ',' expr T_DOUBLE_ARROW expr
{
arrayItem := expr.NewArrayItem($3, $5)
$$ = append($1, arrayItem)
// save position
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodesPosition($3, $5))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(arrayItem, $4, comment.DoubleArrowToken)
}
| non_empty_array_pair_list ',' expr
{
arrayItem := expr.NewArrayItem(nil, $3)
$$ = append($1, arrayItem)
// save position
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodePosition($3))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
| expr T_DOUBLE_ARROW expr
{
arrayItem := expr.NewArrayItem($1, $3)
$$ = []node.Node{arrayItem}
// save position
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken(arrayItem, $2, comment.DoubleArrowToken)
}
| expr
{
arrayItem := expr.NewArrayItem(nil, $1)
$$ = []node.Node{arrayItem}
// save position
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodePosition($1))
}
| non_empty_array_pair_list ',' expr T_DOUBLE_ARROW '&' w_variable
{
reference := expr.NewReference($6)
arrayItem := expr.NewArrayItem($3, reference)
$$ = append($1, arrayItem)
// save position
yylex.(*Parser).positions.AddPosition(reference, yylex.(*Parser).positionBuilder.NewTokenNodePosition($5, $6))
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodesPosition($3, $6))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(arrayItem, $4, comment.DoubleArrowToken)
yylex.(*Parser).comments.AddFromToken(reference, $5, comment.AmpersandToken)
}
| non_empty_array_pair_list ',' '&' w_variable
{
reference := expr.NewReference($4)
arrayItem := expr.NewArrayItem(nil, reference)
$$ = append($1, arrayItem)
// save position
yylex.(*Parser).positions.AddPosition(reference, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $4))
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $4))
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
yylex.(*Parser).comments.AddFromToken(reference, $3, comment.AmpersandToken)
}
| expr T_DOUBLE_ARROW '&' w_variable
{
reference := expr.NewReference($4)
arrayItem := expr.NewArrayItem($1, reference)
$$ = []node.Node{arrayItem}
// save position
yylex.(*Parser).positions.AddPosition(reference, yylex.(*Parser).positionBuilder.NewTokenNodePosition($3, $4))
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewNodesPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken(arrayItem, $2, comment.DoubleArrowToken)
yylex.(*Parser).comments.AddFromToken(reference, $3, comment.AmpersandToken)
}
| '&' w_variable
{
reference := expr.NewReference($2)
arrayItem := expr.NewArrayItem(nil, reference)
$$ = []node.Node{arrayItem}
// save position
yylex.(*Parser).positions.AddPosition(reference, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
yylex.(*Parser).positions.AddPosition(arrayItem, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken(reference, $1, comment.AmpersandToken)
}
;
encaps_list:
encaps_list encaps_var
{ $$ = append($1, $2) }
| encaps_list T_ENCAPSED_AND_WHITESPACE
{
encapsed := scalar.NewEncapsedStringPart($2.Value)
$$ = append($1, encapsed)
// save position
yylex.(*Parser).positions.AddPosition(encapsed, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
// save comments
yylex.(*Parser).comments.AddFromToken(encapsed, $2, comment.EncapsedAndWhitespaceToken)
}
| encaps_var
{ $$ = []node.Node{$1} }
| T_ENCAPSED_AND_WHITESPACE encaps_var
{
encapsed := scalar.NewEncapsedStringPart($1.Value)
$$ = []node.Node{encapsed, $2}
// save position
yylex.(*Parser).positions.AddPosition(encapsed, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken(encapsed, $1, comment.EncapsedAndWhitespaceToken)
}
;
encaps_var:
T_VARIABLE
{
name := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
$$ = expr.NewVariable(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.VariableToken)
}
| T_VARIABLE '[' encaps_var_offset ']'
{
identifier := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
variable := expr.NewVariable(identifier)
$$ = expr.NewArrayDimFetch(variable, $3)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken(variable, $1, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseSquareBracket)
}
| T_VARIABLE T_OBJECT_OPERATOR T_STRING
{
identifier := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
variable := expr.NewVariable(identifier)
fetch := node.NewIdentifier($3.Value)
$$ = expr.NewPropertyFetch(variable, fetch)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition(fetch, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken(variable, $1, comment.VariableToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.ObjectOperatorToken)
yylex.(*Parser).comments.AddFromToken(fetch, $3, comment.StringToken)
}
| T_DOLLAR_OPEN_CURLY_BRACES expr '}'
{
$$ = expr.NewVariable($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DollarOpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseCurlyBracesToken)
}
| T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '}'
{
name := node.NewIdentifier($2.Value)
$$ = expr.NewVariable(name)
// save position
yylex.(*Parser).positions.AddPosition(name, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DollarOpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken(name, $2, comment.StringVarnameToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.CloseCurlyBracesToken)
}
| T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}'
{
identifier := node.NewIdentifier($2.Value)
variable := expr.NewVariable(identifier)
$$ = expr.NewArrayDimFetch(variable, $4)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition(variable, yylex.(*Parser).positionBuilder.NewTokenPosition($2))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $6))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.DollarOpenCurlyBracesToken)
yylex.(*Parser).comments.AddFromToken(variable, $2, comment.StringVarnameToken)
yylex.(*Parser).comments.AddFromToken($$, $3, comment.OpenSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $5, comment.CloseSquareBracket)
yylex.(*Parser).comments.AddFromToken($$, $6, comment.CloseCurlyBracesToken)
}
| T_CURLY_OPEN variable '}'
{
$$ = $2;
}
;
encaps_var_offset:
T_STRING
{
$$ = scalar.NewString($1.Value)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.StringToken)
}
| T_NUM_STRING
{
// TODO: add option to handle 64 bit integer
if _, err := strconv.Atoi($1.Value); err == nil {
$$ = scalar.NewLnumber($1.Value)
} else {
$$ = scalar.NewString($1.Value)
}
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.NumStringToken)
}
| T_VARIABLE
{
identifier := node.NewIdentifier(strings.TrimLeft($1.Value, "$"))
$$ = expr.NewVariable(identifier)
// save position
yylex.(*Parser).positions.AddPosition(identifier, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenPosition($1))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.VariableToken)
}
;
internal_functions_in_yacc:
T_ISSET '(' isset_variables ')'
{
$$ = expr.NewIsset($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.IssetToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
}
| T_EMPTY '(' variable ')'
{
$$ = expr.NewEmpty($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.EmptyToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
}
| T_EMPTY '(' expr ')'
{
$$ = expr.NewEmpty($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.EmptyToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
}
| T_INCLUDE expr
{
$$ = expr.NewInclude($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.IncludeToken)
}
| T_INCLUDE_ONCE expr
{
$$ = expr.NewIncludeOnce($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.IncludeOnceToken)
}
| T_EVAL '(' expr ')'
{
$$ = expr.NewEval($3)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokensPosition($1, $4))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.EvalToken)
yylex.(*Parser).comments.AddFromToken($$, $2, comment.OpenParenthesisToken)
yylex.(*Parser).comments.AddFromToken($$, $4, comment.CloseParenthesisToken)
}
| T_REQUIRE expr
{
$$ = expr.NewRequire($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.RequireToken)
}
| T_REQUIRE_ONCE expr
{
$$ = expr.NewRequireOnce($2)
// save position
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewTokenNodePosition($1, $2))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $1, comment.RequireOnceToken)
}
;
isset_variables:
isset_variable
{ $$ = []node.Node{$1} }
| isset_variables ',' isset_variable
{
$$ = append($1, $3)
// save comments
yylex.(*Parser).comments.AddFromToken(lastNode($1), $2, comment.CommaToken)
}
;
isset_variable:
variable
{ $$ = $1 }
| expr_without_variable
{ $$ = $1 }
;
class_constant:
class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING
{
target := node.NewIdentifier($3.Value)
$$ = expr.NewClassConstFetch($1, target)
// save position
yylex.(*Parser).positions.AddPosition(target, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
| variable_class_name T_PAAMAYIM_NEKUDOTAYIM T_STRING
{
target := node.NewIdentifier($3.Value)
$$ = expr.NewClassConstFetch($1, target)
// save position
yylex.(*Parser).positions.AddPosition(target, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
;
static_class_name_scalar:
class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS
{
target := node.NewIdentifier($3.Value)
$$ = expr.NewClassConstFetch($1, target)
// save position
yylex.(*Parser).positions.AddPosition(target, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
;
class_name_scalar:
class_name T_PAAMAYIM_NEKUDOTAYIM T_CLASS
{
target := node.NewIdentifier($3.Value)
$$ = expr.NewClassConstFetch($1, target)
// save position
yylex.(*Parser).positions.AddPosition(target, yylex.(*Parser).positionBuilder.NewTokenPosition($3))
yylex.(*Parser).positions.AddPosition($$, yylex.(*Parser).positionBuilder.NewNodeTokenPosition($1, $3))
// save comments
yylex.(*Parser).comments.AddFromToken($$, $2, comment.PaamayimNekudotayimToken)
}
;
%%
type simpleIndirectReference struct {
all []*expr.Variable
last *expr.Variable
}