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[refactoring] update ast structure of "ClosureUse", "ConstFetch", "Empty" and "ErrorSuppress" nodes

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This commit is contained in:
Vadym Slizov 2020-12-01 11:12:56 +02:00
parent b90400d993
commit 2d240e9475
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GPG Key ID: AEA2A9388EF42A4A
5 changed files with 194 additions and 193 deletions
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internal/php5/php5.go generated
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231
internal/php5/php5.y
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@ -239,7 +239,7 @@ import (
%type <node> static_scalar_value static_operation static_var_list global_var_list
%type <node> ctor_arguments function_call_parameter_list echo_expr_list class_variable_declaration
%type <node> trait_adaptations unset_variables declare_list non_empty_array_pair_list array_pair_list
%type <node> switch_case_list non_empty_function_call_parameter_list assignment_list
%type <node> switch_case_list non_empty_function_call_parameter_list assignment_list lexical_var_list
%type <node> method_body trait_reference_list static_array_pair_list non_empty_static_array_pair_list
%type <node> foreach_statement for_statement while_statement
%type <node> foreach_variable foreach_optional_arg
@ -250,7 +250,7 @@ import (
%type <list> top_statement_list namespace_name use_declarations use_function_declarations use_const_declarations
%type <list> inner_statement_list encaps_list isset_variables
%type <list> lexical_var_list elseif_list new_elseif_list non_empty_for_expr
%type <list> elseif_list new_elseif_list non_empty_for_expr
%type <list> for_expr case_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
@ -3890,13 +3890,13 @@ expr_without_variable:
}
| '@' expr
{
$$ = &ast.ExprErrorSuppress{ast.Node{}, $2}
// save position
$$.GetNode().Position = position.NewTokenNodePosition($1, $2)
// save comments
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
$$ = &ast.ExprErrorSuppress{
Node: ast.Node{
Position: position.NewTokenNodePosition($1, $2),
},
AtTkn: $1,
Expr: $2,
}
}
| scalar
{
@ -4121,98 +4121,107 @@ lexical_vars:
}
| T_USE '(' lexical_var_list ')'
{
$$ = &ast.ExprClosureUse{ast.Node{}, $3}
// save position
$$.GetNode().Position = position.NewTokensPosition($1, $4)
// save comments
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
yylex.(*Parser).setFreeFloating($$, token.Use, $2.SkippedTokens)
yylex.(*Parser).setFreeFloating($$, token.LexicalVarList, $4.SkippedTokens)
$$ = &ast.ExprClosureUse{
Node: ast.Node{
Position: position.NewTokensPosition($1, $4),
},
UseTkn: $1,
OpenParenthesisTkn: $2,
Uses: $3.(*ast.ParserSeparatedList).Items,
SeparatorTkns: $3.(*ast.ParserSeparatedList).SeparatorTkns,
CloseParenthesisTkn: $4,
}
}
;
lexical_var_list:
lexical_var_list ',' T_VARIABLE
{
identifier := &ast.Identifier{
variable := &ast.ExprVariable{
Node: ast.Node{
Position: position.NewTokenPosition($3),
},
VarName: &ast.Identifier{
Node: ast.Node{
Position: position.NewTokenPosition($3),
},
IdentifierTkn: $3,
Value: $3.Value,
},
}
variable := &ast.ExprVariable{ast.Node{}, identifier}
$$ = append($1, variable)
// save position
variable.GetNode().Position = position.NewTokenPosition($3)
$1.(*ast.ParserSeparatedList).SeparatorTkns = append($1.(*ast.ParserSeparatedList).SeparatorTkns, $2)
$1.(*ast.ParserSeparatedList).Items = append($1.(*ast.ParserSeparatedList).Items, variable)
// save comments
yylex.(*Parser).setFreeFloating(lastNode($1), token.End, $2.SkippedTokens)
yylex.(*Parser).setFreeFloating(variable, token.Start, $3.SkippedTokens)
$$ = $1
}
| lexical_var_list ',' '&' T_VARIABLE
{
identifier := &ast.Identifier{
reference := &ast.ExprReference{
Node: ast.Node{
Position: position.NewTokensPosition($3, $4),
},
Var: &ast.ExprVariable{
Node: ast.Node{
Position: position.NewTokenPosition($4),
},
VarName: &ast.Identifier{
Node: ast.Node{
Position: position.NewTokenPosition($4),
},
IdentifierTkn: $4,
Value: $4.Value,
},
},
}
variable := &ast.ExprVariable{ast.Node{}, identifier}
reference := &ast.ExprReference{ast.Node{}, variable}
$$ = append($1, reference)
// save position
variable.GetNode().Position = position.NewTokenPosition($4)
reference.GetNode().Position = position.NewTokensPosition($3, $4)
$1.(*ast.ParserSeparatedList).SeparatorTkns = append($1.(*ast.ParserSeparatedList).SeparatorTkns, $2)
$1.(*ast.ParserSeparatedList).Items = append($1.(*ast.ParserSeparatedList).Items, reference)
// save comments
yylex.(*Parser).setFreeFloating(lastNode($1), token.End, $2.SkippedTokens)
yylex.(*Parser).setFreeFloating(reference, token.Start, $3.SkippedTokens)
yylex.(*Parser).setFreeFloating(variable, token.Start, $4.SkippedTokens)
$$ = $1
}
| T_VARIABLE
{
identifier := &ast.Identifier{
$$ = &ast.ParserSeparatedList{
Items: []ast.Vertex{
&ast.ExprVariable{
Node: ast.Node{
Position: position.NewTokenPosition($1),
},
VarName: &ast.Identifier{
Node: ast.Node{
Position: position.NewTokenPosition($1),
},
IdentifierTkn: $1,
Value: $1.Value,
},
},
},
}
variable := &ast.ExprVariable{ast.Node{}, identifier}
$$ = []ast.Vertex{variable}
// save position
variable.GetNode().Position = position.NewTokenPosition($1)
// save comments
yylex.(*Parser).setFreeFloating(variable, token.Start, $1.SkippedTokens)
}
| '&' T_VARIABLE
{
identifier := &ast.Identifier{
$$ = &ast.ParserSeparatedList{
Items: []ast.Vertex{
&ast.ExprReference{
Node: ast.Node{
Position: position.NewTokensPosition($1, $2),
},
Var: &ast.ExprVariable{
Node: ast.Node{
Position: position.NewTokenPosition($2),
},
VarName: &ast.Identifier{
Node: ast.Node{
Position: position.NewTokenPosition($2),
},
IdentifierTkn: $2,
Value: $2.Value,
},
},
},
},
}
variable := &ast.ExprVariable{ast.Node{}, identifier}
reference := &ast.ExprReference{ast.Node{}, variable}
$$ = []ast.Vertex{reference}
// save position
variable.GetNode().Position = position.NewTokenPosition($2)
reference.GetNode().Position = position.NewTokensPosition($1, $2)
// save comments
yylex.(*Parser).setFreeFloating(reference, token.Start, $1.SkippedTokens)
yylex.(*Parser).setFreeFloating(variable, token.Start, $2.SkippedTokens)
}
;
@ -4700,45 +4709,48 @@ static_scalar_value:
}
| namespace_name
{
name := &ast.NameName{
$$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewNodeListPosition($1),
},
Const: &ast.NameName{
Node: ast.Node{
Position: position.NewNodeListPosition($1),
},
Parts: $1,
},
}
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewNodePosition(name)
}
| T_NAMESPACE T_NS_SEPARATOR namespace_name
{
name := &ast.NameRelative{
$$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $3),
},
Const: &ast.NameRelative{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $3),
},
NsTkn: $1,
NsSeparatorTkn: $2,
Parts: $3,
},
}
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewTokenNodeListPosition($1, $3)
}
| T_NS_SEPARATOR namespace_name
{
name := &ast.NameFullyQualified{
$$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $2),
},
Const: &ast.NameFullyQualified{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $2),
},
NsSeparatorTkn: $1,
Parts: $2,
},
}
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewTokenNodeListPosition($1, $2)
}
| T_ARRAY '(' static_array_pair_list ')'
{
@ -5155,45 +5167,48 @@ general_constant:
}
| namespace_name
{
name := &ast.NameName{
$$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewNodeListPosition($1),
},
Const: &ast.NameName{
Node: ast.Node{
Position: position.NewNodeListPosition($1),
},
Parts: $1,
},
}
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewNodePosition(name)
}
| T_NAMESPACE T_NS_SEPARATOR namespace_name
{
name := &ast.NameRelative{
$$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $3),
},
Const: &ast.NameRelative{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $3),
},
NsTkn: $1,
NsSeparatorTkn: $2,
Parts: $3,
},
}
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewNodePosition(name)
}
| T_NS_SEPARATOR namespace_name
{
name := &ast.NameFullyQualified{
$$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $2),
},
Const: &ast.NameFullyQualified{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $2),
},
NsSeparatorTkn: $1,
Parts: $2,
},
}
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewNodePosition(name)
}
;
@ -6316,43 +6331,27 @@ internal_functions_in_yacc:
}
| T_EMPTY '(' variable ')'
{
exprBrackets := &ast.ParserBrackets{
$$ = &ast.ExprEmpty{
Node: ast.Node{
Position: position.NewTokensPosition($2, $4),
Position: position.NewTokensPosition($1, $4),
},
OpenBracketTkn: $2,
Child: $3,
CloseBracketTkn: $4,
EmptyTkn: $1,
OpenParenthesisTkn: $2,
Expr: $3,
CloseParenthesisTkn: $4,
}
$$ = &ast.ExprEmpty{ast.Node{}, exprBrackets}
// save position
$$.GetNode().Position = position.NewTokensPosition($1, $4)
// save comments
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $2.SkippedTokens)
yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $4.SkippedTokens)
}
| T_EMPTY '(' expr ')'
{
exprBrackets := &ast.ParserBrackets{
$$ = &ast.ExprEmpty{
Node: ast.Node{
Position: position.NewTokensPosition($2, $4),
Position: position.NewTokensPosition($1, $4),
},
OpenBracketTkn: $2,
Child: $3,
CloseBracketTkn: $4,
EmptyTkn: $1,
OpenParenthesisTkn: $2,
Expr: $3,
CloseParenthesisTkn: $4,
}
$$ = &ast.ExprEmpty{ast.Node{}, exprBrackets}
// save position
$$.GetNode().Position = position.NewTokensPosition($1, $4)
// save comments
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $2.SkippedTokens)
yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $4.SkippedTokens)
}
| T_INCLUDE expr
{

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internal/php7/php7.y
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@ -248,7 +248,7 @@ import (
%type <node> callable_expr callable_variable static_member new_variable
%type <node> encaps_var encaps_var_offset echo_expr_list catch_name_list name_list
%type <node> if_stmt const_list non_empty_argument_list property_list
%type <node> alt_if_stmt
%type <node> alt_if_stmt lexical_var_list
%type <node> if_stmt_without_else
%type <node> class_const_decl
%type <node> alt_if_stmt_without_else
@ -276,7 +276,7 @@ import (
%type <list> for_exprs non_empty_for_exprs
%type <list> unprefixed_use_declarations inline_use_declarations
%type <list> case_list trait_adaptation_list
%type <list> use_declarations lexical_var_list isset_variables
%type <list> use_declarations isset_variables
%type <list> top_statement_list
%type <list> inner_statement_list parameter_list non_empty_parameter_list class_statement_list
%type <list> method_modifiers variable_modifiers
@ -3551,13 +3551,13 @@ expr_without_variable:
}
| '@' expr
{
$$ = &ast.ExprErrorSuppress{ast.Node{}, $2}
// save position
$$.GetNode().Position = position.NewTokenNodePosition($1, $2)
// save comments
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
$$ = &ast.ExprErrorSuppress{
Node: ast.Node{
Position: position.NewTokenNodePosition($1, $2),
},
AtTkn: $1,
Expr: $2,
}
}
| scalar
{
@ -3704,29 +3704,32 @@ lexical_vars:
}
| T_USE '(' lexical_var_list ')'
{
$$ = &ast.ExprClosureUse{ast.Node{}, $3}
// save position
$$.GetNode().Position = position.NewTokensPosition($1, $4)
// save comments
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
yylex.(*Parser).setFreeFloating($$, token.Use, $2.SkippedTokens)
yylex.(*Parser).setFreeFloating($$, token.LexicalVarList, $4.SkippedTokens)
$$ = &ast.ExprClosureUse{
Node: ast.Node{
Position: position.NewTokensPosition($1, $4),
},
UseTkn: $1,
OpenParenthesisTkn: $2,
Uses: $3.(*ast.ParserSeparatedList).Items,
SeparatorTkns: $3.(*ast.ParserSeparatedList).SeparatorTkns,
CloseParenthesisTkn: $4,
}
}
;
lexical_var_list:
lexical_var_list ',' lexical_var
{
$$ = append($1, $3)
$1.(*ast.ParserSeparatedList).SeparatorTkns = append($1.(*ast.ParserSeparatedList).SeparatorTkns, $2)
$1.(*ast.ParserSeparatedList).Items = append($1.(*ast.ParserSeparatedList).Items, $3)
// save comments
yylex.(*Parser).setFreeFloating(lastNode($1), token.End, $2.SkippedTokens)
$$ = $1
}
| lexical_var
{
$$ = []ast.Vertex{$1}
$$ = &ast.ParserSeparatedList{
Items: []ast.Vertex{$1},
}
}
;
@ -4102,13 +4105,12 @@ scalar:
constant:
name
{
$$ = &ast.ExprConstFetch{ast.Node{}, $1}
// save position
$$.GetNode().Position = position.NewNodePosition($1)
// save comments
yylex.(*Parser).MoveFreeFloating($1, $$)
$$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewNodePosition($1),
},
Const: $1,
}
}
| class_name T_PAAMAYIM_NEKUDOTAYIM identifier
{
@ -4898,23 +4900,15 @@ internal_functions_in_yacc:
}
| T_EMPTY '(' expr ')'
{
exprBrackets := &ast.ParserBrackets{
$$ = &ast.ExprEmpty{
Node: ast.Node{
Position: position.NewTokensPosition($2, $4),
Position: position.NewTokensPosition($1, $4),
},
OpenBracketTkn: $2,
Child: $3,
CloseBracketTkn: $4,
EmptyTkn: $1,
OpenParenthesisTkn: $2,
Expr: $3,
CloseParenthesisTkn: $4,
}
$$ = &ast.ExprEmpty{ast.Node{}, exprBrackets}
// save position
$$.GetNode().Position = position.NewTokensPosition($1, $4)
// save comments
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens)
yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.Start, $2.SkippedTokens)
yylex.(*Parser).setFreeFloatingTokens(exprBrackets, token.End, $4.SkippedTokens)
}
| T_INCLUDE expr
{

8
pkg/ast/node.go
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@ -1066,7 +1066,11 @@ func (n *ExprClosure) Accept(v NodeVisitor) {
// ExprClosureUse node
type ExprClosureUse struct {
Node
UseTkn *token.Token
OpenParenthesisTkn *token.Token
Uses []Vertex
SeparatorTkns []*token.Token
CloseParenthesisTkn *token.Token
}
func (n *ExprClosureUse) Accept(v NodeVisitor) {
@ -1086,7 +1090,10 @@ func (n *ExprConstFetch) Accept(v NodeVisitor) {
// ExprEmpty node
type ExprEmpty struct {
Node
EmptyTkn *token.Token
OpenParenthesisTkn *token.Token
Expr Vertex
CloseParenthesisTkn *token.Token
}
func (n *ExprEmpty) Accept(v NodeVisitor) {
@ -1096,6 +1103,7 @@ func (n *ExprEmpty) Accept(v NodeVisitor) {
// ExprErrorSuppress node
type ExprErrorSuppress struct {
Node
AtTkn *token.Token
Expr Vertex
}