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Feat/fst order pred part3 & part4 (#457)

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* support wildcard predicates in frontend

* suport wildcard predicate in podlang

* add validation test

* test full flow and apply some fixes

* fix clippy

* fix merge issues

* use desugared predicate

* Fix parsing of intro statement templates inside custom predicates

* Tidy up comments

* lang: handle wildcard predicate

* add unreachable message

---------

Co-authored-by: Rob Knight <mail@robknight.org.uk>
This commit is contained in:
Eduard S. 2026-02-02 10:59:33 +01:00 • committed by GitHub
parent b66f5051b5
commit 498e946612
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11 changed files with 324 additions and 180 deletions
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7
src/lang/frontend_ast_batch.rs
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@ -619,6 +619,7 @@ fn build_single_batch(
batch_idx,
reference_map,
existing_batches,
name,
symbols,
)
})
@ -648,6 +649,7 @@ fn build_statement_with_resolved_refs(
current_batch_idx: usize,
reference_map: &HashMap<String, (usize, usize)>,
existing_batches: &[Arc<CustomPredicateBatch>],
custom_predicate_name: &str, // custom pred that defines this statement template
symbols: &SymbolTable,
) -> Result<StatementTmplBuilder, BatchingError> {
let callee_name = &stmt.predicate.name;
@ -657,16 +659,17 @@ fn build_statement_with_resolved_refs(
current_batch_idx,
reference_map,
existing_batches,
custom_predicate_name,
};
let predicate = resolve_predicate(callee_name, symbols, &context).ok_or_else(|| {
let pred_or_wc = resolve_predicate(callee_name, symbols, &context).ok_or_else(|| {
BatchingError::Internal {
message: format!("Unknown predicate reference: '{}'", callee_name),
}
})?;
// Build the statement template
let mut builder = StatementTmplBuilder::new(predicate);
let mut builder = StatementTmplBuilder::new(pred_or_wc);
for arg in &stmt.args {
builder = builder.arg(lower_statement_arg(arg));