V0004 invalid_character
The source contains a character that cannot start any token.
An error from the lex phase. sakura explain V0004 prints this explanation offline.
The source contains a character that cannot start any token. Remove it, or put it inside a string.
Wrong:
fn price() -> Int { 1 $ 2 }Fixed:
fn price() -> Int { 1 + 2 }Wrong program
compiler/tests/ui/V0004_invalid_character.sakura, which the compiler's ui suite runs through sakura check:
fn price() -> Int { 1 $ 2 }sakura check --json reports this record (pretty-printed; $DIR is the fixture's directory):
{
"schema_version": "1.0",
"kind": "diagnostic",
"id": "d:c4891f640c5e538f",
"code": "V0004",
"severity": "error",
"phase": "lex",
"message": "unexpected character `$`",
"snapshot": "sha256:$SNAPSHOT",
"symbol_id": "main::V0004_invalid_character::price",
"spans": [
{
"uri": "file://$DIR/V0004_invalid_character.sakura",
"content_hash": "sha256:7f1f0ceccb34c4fd667b6e3de781ca528e3486cb76e3981f65310a9c99a3fbdb",
"start_byte": 56,
"end_byte": 57,
"role": "primary"
}
],
"related_ids": [],
"expected": null,
"actual": null,
"obligation": null,
"counterexample": null,
"explanation_uri": "sakura://explain/V0004",
"fixes": []
}Fixed program
compiler/tests/ui/V0004_invalid_character.fixed.sakura, which sakura check accepts with no diagnostics:
fn price() -> Int { 1 + 2 }