V0005 invalid_escape
A string contains an escape that is not one of \\ \" \n \r \t \0 \{ \} or \u{XXXXXX} (design §2.3).
An error from the lex phase. sakura explain V0005 prints this explanation offline.
A string contains an escape that is not one of \\ \" \n \r \t \0 \{ \} or
\u{XXXXXX} (design §2.3). Write a literal { as \{.
Wrong program
compiler/tests/ui/V0005_invalid_escape.sakura, which the compiler's ui suite runs through sakura check:
fn path() -> String { "C:\qdata" }sakura check --json reports this record (pretty-printed; $DIR is the fixture's directory):
{
"schema_version": "1.0",
"kind": "diagnostic",
"id": "d:2fa2c87a53cb8ac1",
"code": "V0005",
"severity": "error",
"phase": "lex",
"message": "unknown escape `\\q`",
"snapshot": "sha256:$SNAPSHOT",
"symbol_id": "main::V0005_invalid_escape::path",
"spans": [
{
"uri": "file://$DIR/V0005_invalid_escape.sakura",
"content_hash": "sha256:7b5638f558599caf34c57065c8fe17bf9f43cc141898a81150d2d2641f79ab93",
"start_byte": 59,
"end_byte": 61,
"role": "primary"
}
],
"related_ids": [],
"expected": null,
"actual": null,
"obligation": null,
"counterexample": null,
"explanation_uri": "sakura://explain/V0005",
"fixes": []
}Fixed program
compiler/tests/ui/V0005_invalid_escape.fixed.sakura, which sakura check accepts with no diagnostics:
fn path() -> String { "C:\\qdata" }