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fix HeapPStrIter bug not recognizing nil focus if PStrLoc points to PStrOffset to CStr

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This commit is contained in:
Mark Thom
2021-11-22 23:06:02 -07:00
parent bc613eeff9
commit 4af57b0dd3
3 changed files with 26 additions and 40 deletions
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6
src/loader.pl
View File

@@ -691,14 +691,10 @@ expand_goal_cases((\+ Goals0), Module, ExpandedGoals, HeadVars) :-
expand_goal_cases((Module:Goals0), _, ExpandedGoals, HeadVars) :-
expand_goal(Goals0, Module, Goals1, HeadVars),
ExpandedGoals = (Module:Goals1).
expand_goal_cases(call(Goals0), _, ExpandedGoals, HeadVars) :-
expand_goal(Goals0, Module, Goals1, HeadVars),
ExpandedGoals = call(Goals1).
expand_goal(UnexpandedGoals, Module, ExpandedGoals, HeadVars) :-
( var(UnexpandedGoals) ->
UnexpandedGoals = ExpandedGoals
% expand_module_names(call(UnexpandedGoals), [0], Module, ExpandedGoals, HeadVars)
expand_module_names(call(UnexpandedGoals), [0], Module, ExpandedGoals, HeadVars)
; goal_expansion(UnexpandedGoals, Module, UnexpandedGoals1),
( Module \== user ->
goal_expansion(UnexpandedGoals1, user, Goals)

24
src/machine/machine_indices.rs
View File

@@ -45,25 +45,6 @@ pub enum TermOrderCategory {
Compound,
}
// the position-dependent heap template:
/*
read_heap_cell!(
(HeapCellValueTag::AttrVar, n) => {
}
(HeapCellValueTag::Lis, n) => {
}
(HeapCellValueTag::Var, n) => {
}
(HeapCellValueTag::Str, n) => {
}
(HeapCellValueTag::PStrOffset, n) => {
}
_ => {
}
)
*/
impl PartialEq<Ref> for HeapCellValue {
fn eq(&self, r: &Ref) -> bool {
self.as_var() == Some(*r)
@@ -82,7 +63,10 @@ impl PartialOrd<Ref> for HeapCellValue {
_ => Some(Ordering::Greater),
}
}
(HeapCellValueTag::Var | HeapCellValueTag::AttrVar, h1) => {
(HeapCellValueTag::AttrVar | HeapCellValueTag::Var, h1) => {
// _ if self.is_ref() => {
// let h1 = self.get_value();
match r.get_tag() {
RefTag::StackCell => Some(Ordering::Less),
_ => {

36
src/types.rs
View File

@@ -343,21 +343,27 @@ impl HeapCellValue {
}
#[inline]
pub fn is_string_terminator(self, heap: &[HeapCellValue]) -> bool {
read_heap_cell!(self,
(HeapCellValueTag::Atom, (name, arity)) => {
name == atom!("[]") && arity == 0
}
(HeapCellValueTag::CStr) => {
true
}
(HeapCellValueTag::PStrOffset, pstr_offset) => {
heap[pstr_offset].get_tag() == HeapCellValueTag::CStr
}
_ => {
false
}
)
pub fn is_string_terminator(mut self, heap: &[HeapCellValue]) -> bool {
loop {
return read_heap_cell!(self,
(HeapCellValueTag::Atom, (name, arity)) => {
name == atom!("[]") && arity == 0
}
(HeapCellValueTag::CStr) => {
true
}
(HeapCellValueTag::PStrLoc, h) => {
self = heap[h];
continue;
}
(HeapCellValueTag::PStrOffset, pstr_offset) => {
heap[pstr_offset].get_tag() == HeapCellValueTag::CStr
}
_ => {
false
}
);
}
}
#[inline(always)]