rishi/scryer-prolog
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use OffsetTableImpl without synchronization by default

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This commit is contained in:
Mark Thom
2025-05-22 23:49:57 -07:00
committed by Mark Thom
parent 725def07cd
commit 1332611f83
28 changed files with 1005 additions and 990 deletions
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19
src/parser/parser.rs
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@@ -3,12 +3,11 @@ use dashu::Rational;
use crate::arena::*;
use crate::atom_table::*;
use crate::offset_table::OffsetTable;
use crate::parser::ast::*;
use crate::parser::char_reader::*;
use crate::parser::lexer::*;
use ordered_float::OrderedFloat;
use std::cell::Cell;
use std::mem;
use std::ops::Neg;
@@ -963,17 +962,21 @@ impl<'a, R: CharRead> Parser<'a, R> {
Token::Literal(Literal::Rational(n)) => {
self.negate_number(n, negate_rat_rc, |r, _| Literal::Rational(r))
}
Token::Literal(Literal::Float(n)) if n.as_ptr().is_infinite() => {
Token::Literal(Literal::F64Offset(n)) if self.lexer.machine_st.arena.f64_tbl.lookup(n).is_infinite() => {
return Err(ParserError::InfiniteFloat(
self.lexer.line_num,
self.lexer.col_num,
));
}
Token::Literal(Literal::Float(n)) => self.negate_number(
**n.as_ptr(),
|n, _| -n,
|n, arena| Literal::from(float_alloc!(n, arena)),
),
Token::Literal(Literal::F64Offset(n)) => {
let n = *self.lexer.machine_st.arena.f64_tbl.lookup(n);
self.negate_number(
n,
|n, _| -n,
|n, arena| Literal::F64Offset(arena.f64_tbl.build_with(n)),
)
}
Token::Literal(Literal::Fixnum(n)) => {
self.negate_number(n, |n, _| -n, |n, _| Literal::Fixnum(n))
}