Test: add corpus test for switch case patterns with labeled arguments

Adds a test case 'Switch with labeled case pattern arguments' covering:
- case .implicit(isAcknowledged: false) — labeled bool literal
- case .thread(threadRowId: _, let rowId) — labeled wildcard + binding

The current output contains type errors: pattern_element::key is being
produced as name_expr instead of identifier. These will be fixed in the
following commit.
This commit is contained in:
Asger F
2026-06-19 10:27:20 +02:00
parent 2182265120
commit 63e1cc90e9

View File

@@ -732,3 +732,154 @@ top_level
value:
name_expr
identifier: identifier "shape"
===
Switch with labeled case pattern arguments
===
switch x {
case .implicit(isAcknowledged: false):
print("yes")
case .thread(threadRowId: _, let rowId):
print(rowId)
}
---
source_file
statement:
switch_statement
entry:
switch_entry
pattern:
switch_pattern
pattern:
pattern
kind:
case_pattern
arguments:
tuple_pattern
item:
tuple_pattern_item
name: simple_identifier "isAcknowledged"
pattern:
pattern
kind:
boolean_literal
dot: .
name: simple_identifier "implicit"
statement:
call_expression
function: simple_identifier "print"
suffix:
call_suffix
arguments:
value_arguments
argument:
value_argument
value:
line_string_literal
text: line_str_text "yes"
switch_entry
pattern:
switch_pattern
pattern:
pattern
kind:
case_pattern
arguments:
tuple_pattern
item:
tuple_pattern_item
name: simple_identifier "threadRowId"
pattern:
pattern
kind: wildcard_pattern "_"
tuple_pattern_item
pattern:
pattern
kind:
binding_pattern
binding:
value_binding_pattern
mutability: let
pattern:
pattern
bound_identifier: simple_identifier "rowId"
dot: .
name: simple_identifier "thread"
statement:
call_expression
function: simple_identifier "print"
suffix:
call_suffix
arguments:
value_arguments
argument:
value_argument
value: simple_identifier "rowId"
expr: simple_identifier "x"
---
top_level
body:
block
stmt:
switch_expr
case:
switch_case
body:
block
stmt:
call_expr
argument:
argument
value: string_literal "\"yes\""
callee:
name_expr
identifier: identifier "print"
pattern:
constructor_pattern
element:
pattern_element
key:
name_expr <-- ERROR: The field pattern_element.key should contain identifier, but got name_expr
identifier: identifier "isAcknowledged"
pattern: tuple_pattern "false"
constructor:
member_access_expr
base: inferred_type_expr "."
member: identifier "implicit"
switch_case
body:
block
stmt:
call_expr
argument:
argument
value:
name_expr
identifier: identifier "rowId"
callee:
name_expr
identifier: identifier "print"
pattern:
constructor_pattern
element:
pattern_element
key:
name_expr <-- ERROR: The field pattern_element.key should contain identifier, but got name_expr
identifier: identifier "threadRowId"
pattern: tuple_pattern "_"
pattern_element
pattern:
name_pattern
identifier: identifier "rowId"
constructor:
member_access_expr
base: inferred_type_expr "."
member: identifier "thread"
value:
name_expr
identifier: identifier "x"