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statements
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272 lines (199 loc) · 5.27 KB
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//! > Missing semicolon in let statement (parsing error).
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: true)
//! > function_code
fn foo() {
let mut x = 3
x = 2;
}
//! > function_name
foo
//! > expected_diagnostics
error[E1001]: Missing token ';'.
--> lib.cairo:2:18
let mut x = 3
^
//! > ==========================================================================
//! > Missing semicolon in "tail" let statement (parsing error).
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: true)
//! > function_code
fn foo() {
let mut _x = 3
}
//! > function_name
foo
//! > expected_diagnostics
error[E1001]: Missing token ';'.
--> lib.cairo:2:19
let mut _x = 3
^
//! > ==========================================================================
//! > Missing semicolon in return statement (parsing error).
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: true)
//! > function_code
fn foo() -> felt252 {
if true {
return 1
}
2
}
//! > function_name
foo
//! > expected_diagnostics
error[E1001]: Missing token ';'.
--> lib.cairo:3:17
return 1
^
//! > ==========================================================================
//! > Missing semicolon in "tail" return statement (parsing error).
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: true)
//! > function_code
fn foo() -> felt252 {
return 1
}
//! > function_name
foo
//! > expected_diagnostics
error[E1001]: Missing token ';'.
--> lib.cairo:2:13
return 1
^
//! > ==========================================================================
//! > Missing semicolon in expression statement.
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: true)
//! > function_code
fn foo() {
bar()
bar();
}
//! > function_name
foo
//! > module_code
fn bar() {}
//! > expected_diagnostics
error[E2133]: Missing semicolon
--> lib.cairo:3:10
bar()
^
//! > ==========================================================================
//! > "Missing" semicolon in tail expression is OK
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: false)
//! > function_code
fn foo() -> felt252 {
2
}
//! > function_name
foo
//! > expected_diagnostics
//! > ==========================================================================
//! > Blocks, `if`s, and `match`s, don't require semicolon, even not in tail expressions.
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: false)
//! > function_code
fn foo() {
// `if` without ';' in the end
if true {}
let opt = Some(3);
// `match` without ';' in the end
match opt {
Some(_) => {},
None(_) => {},
}
// Block without ';' in the end
{}
// Another statement to make the previous ones non-tail.
let _x = 3;
}
//! > function_name
foo
//! > expected_diagnostics
//! > ==========================================================================
//! > Test a statement with an unknown attribute
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: true)
//! > function_code
fn foo() {
#[unknown_attr1]
#[unknown_attr2]
#[cairofmt::skip]
let _x = 3;
}
//! > function_name
foo
//! > expected_diagnostics
error[E2155]: Unknown statement attribute.
--> lib.cairo:2:5
#[unknown_attr1]
^^^^^^^^^^^^^^^^
error[E2155]: Unknown statement attribute.
--> lib.cairo:3:5
#[unknown_attr2]
^^^^^^^^^^^^^^^^
//! > ==========================================================================
//! > Test attributes on statement lists.
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: false)
//! > function_code
fn foo() {
let _x = {
#[feature("testing")]
unstable_function_with_note() // Tail expression has attributes.
};
#[feature("testing")]
unstable_function_with_note(); // Non-tail statements have attributes.
#[feature("testing")]
unstable_function_with_note(); // Attr on non-expression tail works.
}
//! > function_name
foo
//! > module_code
#[unstable(feature: "testing", note: "Some reason", since: "1.0.0")]
fn unstable_function_with_note() -> felt252 {
0
}
//! > function_body
//! > expected_diagnostics
//! > ==========================================================================
//! > Type alias as statement inside a function body.
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: true)
//! > function_code
fn foo() {
type MyAlias = felt252;
}
//! > function_name
foo
//! > module_code
//! > expected_diagnostics
error[E2075]: Unsupported use item in statement.
--> lib.cairo:2:5
type MyAlias = felt252;
^^^^^^^^^^^^^^^^^^^^^^^
//! > ==========================================================================
//! > Declarative macro with parameter missing kind specifier.
//! > test_runner_name
test_function_diagnostics(expect_diagnostics: true)
//! > function_code
fn foo() {
m!(1);
}
//! > function_name
foo
//! > module_code
macro m {
($x) => { 0 };
}
//! > expected_diagnostics
error[E1010]: Macro parameter must have a kind.
--> lib.cairo:2:7
($x) => { 0 };
^
error[E2158]: No matching rule found in inline macro `m`.
--> lib.cairo:5:5
m!(1);
^^^^^