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Change query syntax for predicates

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Signed-off-by: Patrick Thomson <patrickt@github.com>
This commit is contained in:
Max Brunsfeld 2020-05-11 12:35:51 -07:00
parent e2271ac46c
commit 40262483a9
4 changed files with 107 additions and 77 deletions
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10
lib/binding_rust/lib.rs
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@ -1271,13 +1271,13 @@ impl Query {
"eq?" | "not-eq?" => {
if p.len() != 3 {
return Err(QueryError::Predicate(format!(
"Wrong number of arguments to eq? predicate. Expected 2, got {}.",
"Wrong number of arguments to #eq? predicate. Expected 2, got {}.",
p.len() - 1
)));
}
if p[1].type_ != type_capture {
return Err(QueryError::Predicate(format!(
"First argument to eq? predicate must be a capture name. Got literal \"{}\".",
"First argument to #eq? predicate must be a capture name. Got literal \"{}\".",
string_values[p[1].value_id as usize],
)));
}
@ -1301,19 +1301,19 @@ impl Query {
"match?" => {
if p.len() != 3 {
return Err(QueryError::Predicate(format!(
"Wrong number of arguments to match? predicate. Expected 2, got {}.",
"Wrong number of arguments to #match? predicate. Expected 2, got {}.",
p.len() - 1
)));
}
if p[1].type_ != type_capture {
return Err(QueryError::Predicate(format!(
"First argument to match? predicate must be a capture name. Got literal \"{}\".",
"First argument to #match? predicate must be a capture name. Got literal \"{}\".",
string_values[p[1].value_id as usize],
)));
}
if p[2].type_ == type_capture {
return Err(QueryError::Predicate(format!(
"Second argument to match? predicate must be a literal. Got capture @{}.",
"Second argument to #match? predicate must be a literal. Got capture @{}.",
result.capture_names[p[2].value_id as usize],
)));
}