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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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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> 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> 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> 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> 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_statement for_statement while_statement
%type <node> foreach_variable foreach_optional_arg %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> top_statement_list namespace_name use_declarations use_function_declarations use_const_declarations
%type <list> inner_statement_list encaps_list isset_variables %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> 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> non_empty_additional_catches parameter_list non_empty_parameter_list class_statement_list
%type <list> class_statement_list variable_modifiers method_modifiers %type <list> class_statement_list variable_modifiers method_modifiers
@ -3890,13 +3890,13 @@ expr_without_variable:
} }
| '@' expr | '@' expr
{ {
$$ = &ast.ExprErrorSuppress{ast.Node{}, $2} $$ = &ast.ExprErrorSuppress{
Node: ast.Node{
// save position Position: position.NewTokenNodePosition($1, $2),
$$.GetNode().Position = position.NewTokenNodePosition($1, $2) },
AtTkn: $1,
// save comments Expr: $2,
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens) }
} }
| scalar | scalar
{ {
@ -4121,98 +4121,107 @@ lexical_vars:
} }
| T_USE '(' lexical_var_list ')' | T_USE '(' lexical_var_list ')'
{ {
$$ = &ast.ExprClosureUse{ast.Node{}, $3} $$ = &ast.ExprClosureUse{
Node: ast.Node{
// save position Position: position.NewTokensPosition($1, $4),
$$.GetNode().Position = position.NewTokensPosition($1, $4) },
UseTkn: $1,
// save comments OpenParenthesisTkn: $2,
yylex.(*Parser).setFreeFloating($$, token.Start, $1.SkippedTokens) Uses: $3.(*ast.ParserSeparatedList).Items,
yylex.(*Parser).setFreeFloating($$, token.Use, $2.SkippedTokens) SeparatorTkns: $3.(*ast.ParserSeparatedList).SeparatorTkns,
yylex.(*Parser).setFreeFloating($$, token.LexicalVarList, $4.SkippedTokens) CloseParenthesisTkn: $4,
}
} }
; ;
lexical_var_list: lexical_var_list:
lexical_var_list ',' T_VARIABLE lexical_var_list ',' T_VARIABLE
{ {
identifier := &ast.Identifier{ variable := &ast.ExprVariable{
Node: ast.Node{
Position: position.NewTokenPosition($3),
},
VarName: &ast.Identifier{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokenPosition($3), Position: position.NewTokenPosition($3),
}, },
IdentifierTkn: $3, IdentifierTkn: $3,
Value: $3.Value, Value: $3.Value,
},
} }
variable := &ast.ExprVariable{ast.Node{}, identifier}
$$ = append($1, variable)
// save position $1.(*ast.ParserSeparatedList).SeparatorTkns = append($1.(*ast.ParserSeparatedList).SeparatorTkns, $2)
variable.GetNode().Position = position.NewTokenPosition($3) $1.(*ast.ParserSeparatedList).Items = append($1.(*ast.ParserSeparatedList).Items, variable)
// save comments $$ = $1
yylex.(*Parser).setFreeFloating(lastNode($1), token.End, $2.SkippedTokens)
yylex.(*Parser).setFreeFloating(variable, token.Start, $3.SkippedTokens)
} }
| lexical_var_list ',' '&' T_VARIABLE | 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{ Node: ast.Node{
Position: position.NewTokenPosition($4), Position: position.NewTokenPosition($4),
}, },
IdentifierTkn: $4, IdentifierTkn: $4,
Value: $4.Value, Value: $4.Value,
},
},
} }
variable := &ast.ExprVariable{ast.Node{}, identifier}
reference := &ast.ExprReference{ast.Node{}, variable}
$$ = append($1, reference)
// save position $1.(*ast.ParserSeparatedList).SeparatorTkns = append($1.(*ast.ParserSeparatedList).SeparatorTkns, $2)
variable.GetNode().Position = position.NewTokenPosition($4) $1.(*ast.ParserSeparatedList).Items = append($1.(*ast.ParserSeparatedList).Items, reference)
reference.GetNode().Position = position.NewTokensPosition($3, $4)
// save comments $$ = $1
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)
} }
| T_VARIABLE | T_VARIABLE
{ {
identifier := &ast.Identifier{ $$ = &ast.ParserSeparatedList{
Items: []ast.Vertex{
&ast.ExprVariable{
Node: ast.Node{
Position: position.NewTokenPosition($1),
},
VarName: &ast.Identifier{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokenPosition($1), Position: position.NewTokenPosition($1),
}, },
IdentifierTkn: $1, IdentifierTkn: $1,
Value: $1.Value, Value: $1.Value,
},
},
},
} }
variable := &ast.ExprVariable{ast.Node{}, identifier}
$$ = []ast.Vertex{variable}
// save position
variable.GetNode().Position = position.NewTokenPosition($1)
// save comments
yylex.(*Parser).setFreeFloating(variable, token.Start, $1.SkippedTokens)
} }
| '&' T_VARIABLE | '&' T_VARIABLE
{ {
identifier := &ast.Identifier{ $$ = &ast.ParserSeparatedList{
Items: []ast.Vertex{
&ast.ExprReference{
Node: ast.Node{
Position: position.NewTokensPosition($1, $2),
},
Var: &ast.ExprVariable{
Node: ast.Node{
Position: position.NewTokenPosition($2),
},
VarName: &ast.Identifier{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokenPosition($2), Position: position.NewTokenPosition($2),
}, },
IdentifierTkn: $2, IdentifierTkn: $2,
Value: $2.Value, Value: $2.Value,
},
},
},
},
} }
variable := &ast.ExprVariable{ast.Node{}, identifier}
reference := &ast.ExprReference{ast.Node{}, variable}
$$ = []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 | namespace_name
{ {
name := &ast.NameName{ $$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewNodeListPosition($1),
},
Const: &ast.NameName{
Node: ast.Node{ Node: ast.Node{
Position: position.NewNodeListPosition($1), Position: position.NewNodeListPosition($1),
}, },
Parts: $1, Parts: $1,
},
} }
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewNodePosition(name)
} }
| T_NAMESPACE T_NS_SEPARATOR namespace_name | T_NAMESPACE T_NS_SEPARATOR namespace_name
{ {
name := &ast.NameRelative{ $$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $3),
},
Const: &ast.NameRelative{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $3), Position: position.NewTokenNodeListPosition($1, $3),
}, },
NsTkn: $1, NsTkn: $1,
NsSeparatorTkn: $2, NsSeparatorTkn: $2,
Parts: $3, Parts: $3,
},
} }
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewTokenNodeListPosition($1, $3)
} }
| T_NS_SEPARATOR namespace_name | T_NS_SEPARATOR namespace_name
{ {
name := &ast.NameFullyQualified{ $$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $2),
},
Const: &ast.NameFullyQualified{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $2), Position: position.NewTokenNodeListPosition($1, $2),
}, },
NsSeparatorTkn: $1, NsSeparatorTkn: $1,
Parts: $2, Parts: $2,
},
} }
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewTokenNodeListPosition($1, $2)
} }
| T_ARRAY '(' static_array_pair_list ')' | T_ARRAY '(' static_array_pair_list ')'
{ {
@ -5155,45 +5167,48 @@ general_constant:
} }
| namespace_name | namespace_name
{ {
name := &ast.NameName{ $$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewNodeListPosition($1),
},
Const: &ast.NameName{
Node: ast.Node{ Node: ast.Node{
Position: position.NewNodeListPosition($1), Position: position.NewNodeListPosition($1),
}, },
Parts: $1, Parts: $1,
},
} }
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewNodePosition(name)
} }
| T_NAMESPACE T_NS_SEPARATOR namespace_name | T_NAMESPACE T_NS_SEPARATOR namespace_name
{ {
name := &ast.NameRelative{ $$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $3),
},
Const: &ast.NameRelative{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $3), Position: position.NewTokenNodeListPosition($1, $3),
}, },
NsTkn: $1, NsTkn: $1,
NsSeparatorTkn: $2, NsSeparatorTkn: $2,
Parts: $3, Parts: $3,
},
} }
$$ = &ast.ExprConstFetch{ast.Node{}, name}
// save position
$$.GetNode().Position = position.NewNodePosition(name)
} }
| T_NS_SEPARATOR namespace_name | T_NS_SEPARATOR namespace_name
{ {
name := &ast.NameFullyQualified{ $$ = &ast.ExprConstFetch{
Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $2),
},
Const: &ast.NameFullyQualified{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokenNodeListPosition($1, $2), Position: position.NewTokenNodeListPosition($1, $2),
}, },
NsSeparatorTkn: $1, NsSeparatorTkn: $1,
Parts: $2, 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 ')' | T_EMPTY '(' variable ')'
{ {
exprBrackets := &ast.ParserBrackets{ $$ = &ast.ExprEmpty{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokensPosition($2, $4), Position: position.NewTokensPosition($1, $4),
}, },
OpenBracketTkn: $2, EmptyTkn: $1,
Child: $3, OpenParenthesisTkn: $2,
CloseBracketTkn: $4, Expr: $3,
CloseParenthesisTkn: $4,
} }
$$ = &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 ')' | T_EMPTY '(' expr ')'
{ {
exprBrackets := &ast.ParserBrackets{ $$ = &ast.ExprEmpty{
Node: ast.Node{ Node: ast.Node{
Position: position.NewTokensPosition($2, $4), Position: position.NewTokensPosition($1, $4),
}, },
OpenBracketTkn: $2, EmptyTkn: $1,
Child: $3, OpenParenthesisTkn: $2,
CloseBracketTkn: $4, Expr: $3,
CloseParenthesisTkn: $4,
} }
$$ = &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 | T_INCLUDE expr
{ {

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

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