rishi/scryer-prolog
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farm parser out to a crate, remove it as a git submodule.

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This commit is contained in:
Mark Thom
2018-09-03 21:58:07 -06:00
parent 4be20e48e6
commit ff9d2662e6
29 changed files with 471 additions and 1300 deletions
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11
src/prolog/codegen.rs
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@@ -1,10 +1,11 @@
use prolog_parser::ast::*;
use prolog::ast::*;
use prolog::allocator::*;
use prolog::arithmetic::*;
use prolog::ast::*;
use prolog::fixtures::*;
use prolog::indexing::*;
use prolog::iterators::*;
use prolog::machine::machine_state::MachineFlags;
use prolog::targets::*;
use std::cell::Cell;
@@ -596,10 +597,10 @@ impl<'a, TermMarker: Allocator<'a>> CodeGenerator<TermMarker>
pub fn compile_fact<'b: 'a>(&mut self, term: &'b Term) -> Code
{
self.update_var_count(term.post_order_iter());
self.update_var_count(post_order_iter(term));
let mut vs = VariableFixtures::new();
vs.mark_vars_in_chunk(term.post_order_iter(), term.arity(), GenContext::Head);
vs.mark_vars_in_chunk(post_order_iter(term), term.arity(), GenContext::Head);
vs.populate_restricting_sets();
self.marker.drain_var_data(vs);
@@ -628,7 +629,7 @@ impl<'a, TermMarker: Allocator<'a>> CodeGenerator<TermMarker>
{
self.marker.reset_arg(term.arity());
let iter = term.post_order_iter();
let iter = query_term_post_order_iter(term);
let query = self.compile_target(iter, term_loc, is_exposed);
if !query.is_empty() {