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transition to debray allocation

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This commit is contained in:
Mark Thom
2017-04-30 13:53:15 -06:00
parent 1bdc539c25
commit 316e5c5c1a
11 changed files with 440 additions and 100 deletions
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17
src/prolog/fixtures.rs
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@@ -10,14 +10,9 @@ pub type OccurrenceSet = BTreeSet<(GenContext, usize)>;
pub struct TempVarData {
last_term_arity: usize,
use_set: OccurrenceSet,
no_use_set: BTreeSet<usize>,
conflict_set: BTreeSet<usize>
}
// labeled with chunk_num and temp offset (unassigned if 0).
pub enum VarData {
Perm(usize), Temp(usize, usize, TempVarData)
pub use_set: OccurrenceSet,
pub no_use_set: BTreeSet<usize>,
pub conflict_set: BTreeSet<usize>
}
// labeled with chunk numbers.
@@ -25,6 +20,12 @@ pub enum VarStatus {
Perm(usize), Temp(usize, TempVarData) // Perm(chunk_num) | Temp(chunk_num, _)
}
// Perm: 0 initially, a stack register once processed.
// Temp: labeled with chunk_num and temp offset (unassigned if 0), arg (0 if unassigned).
pub enum VarData {
Perm(usize), Temp(usize, usize, TempVarData)
}
impl VarData {
pub fn as_reg_type(&self) -> RegType {
match self {