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argument nullable parameter nodes

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vadim
2017-12-27 16:26:36 +02:00
parent 84887c66c3
commit 06a15be7a2
5 changed files with 392 additions and 304 deletions
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570
parser/parser.go
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21
parser/parser.y
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@@ -602,31 +602,22 @@ non_empty_parameter_list:
parameter:
optional_type is_reference is_variadic T_VARIABLE
{
$$ = node.NewSimpleNode("Parameter").
Append($1).
Attribute("is_reference", $2).
Attribute("is_variadic", $3).
Attribute("var", $4.String());
$$ = node.NewParameter($1, expr.NewVariable(node.NewIdentifier($4)), nil, $2 == "true", $3 == "true")
}
| optional_type is_reference is_variadic T_VARIABLE '=' expr
{
$$ = node.NewSimpleNode("Parameter").
Append($1).
Attribute("is_reference", $2).
Attribute("is_variadic", $3).
Attribute("var", $4.String()).
Append($6);
$$ = node.NewParameter($1, expr.NewVariable(node.NewIdentifier($4)), $6, $2 == "true", $3 == "true")
}
;
optional_type:
/* empty */ { $$ = node.NewSimpleNode("No type") }
/* empty */ { $$ = nil }
| type_expr { $$ = $1; }
;
type_expr:
type { $$ = $1; }
| '?' type { $$ = $2; $$.Attribute("nullable", "true") }
| '?' type { $$ = node.NewNullable($2) }
;
type:
@@ -651,8 +642,8 @@ non_empty_argument_list:
;
argument:
expr { $$ = $1; }
| T_ELLIPSIS expr { $$ = node.NewSimpleNode("Unpack").Append($2) }
expr { $$ = node.NewArgument($1, false) }
| T_ELLIPSIS expr { $$ = node.NewArgument($2, true) }
;
global_var_list: