summaryrefslogtreecommitdiff
path: root/src/parser/cvc/README
diff options
context:
space:
mode:
Diffstat (limited to 'src/parser/cvc/README')
-rw-r--r--src/parser/cvc/README30
1 files changed, 15 insertions, 15 deletions
diff --git a/src/parser/cvc/README b/src/parser/cvc/README
index 513a8e85a..df6c82de9 100644
--- a/src/parser/cvc/README
+++ b/src/parser/cvc/README
@@ -1,4 +1,4 @@
-Notes on CVC4's CVC language parser.
+Notes on cvc5's CVC language parser.
This language parser attempts to maintain some backward compatibility
with previous versions of the language. However, as the language
@@ -9,21 +9,21 @@ need to be removed.
In order to support our users, we have tried to parse what CVC3 could
and (at least) offer an error when a feature is unavailable or
unimplemented. But this is not always possible. Please report a
-bug if a particular discrepancy between CVC3 and CVC4 handling of
+bug if a particular discrepancy between CVC3 and cvc5 handling of
the CVC language is a concern to you; we may be able to add a
compatibility mode, or at least offer better warnings or errors.
-Below is a list of the known differences between CVC3's and CVC4's
+Below is a list of the known differences between CVC3's and cvc5's
version of the CVC language. This is the list of differences in
-language design and parsing ONLY. The featureset of CVC4 is
+language design and parsing ONLY. The featureset of cvc5 is
rapidly expanding, but does not match CVC3's breadth yet. However,
-CVC4 should tell you of an unimplemented feature if you try to use
+cvc5 should tell you of an unimplemented feature if you try to use
it (rather than giving a cryptic parse or assertion error).
-* CVC4 does not add the current assumptions to the scope after
+* cvc5 does not add the current assumptions to the scope after
SAT/INVALID responses like CVC3 did.
-* CVC4 no longer supports the "old" function syntax:
+* cvc5 no longer supports the "old" function syntax:
f : [INT -> INT];
@@ -37,21 +37,21 @@ it (rather than giving a cryptic parse or assertion error).
* QUERY and CHECKSAT do not add their argument to the current
list of assertions like CVC3 did.
-* CVC4 allows datatypes to hold complex types that contain self-
+* cvc5 allows datatypes to hold complex types that contain self-
or mutual references. For example,
DATATYPE tree = node(children:ARRAY INT OF tree) | leaf(data:INT) END;
- is permissible in CVC4 but not in CVC3.
+ is permissible in cvc5 but not in CVC3.
-* CVC4 supports parameterized types in datatype definitions, e.g.
+* cvc5 supports parameterized types in datatype definitions, e.g.
DATATYPE list[T] = cons(car:T) | nil END;
You can then declare "x : list[INT];" or "x : list[list[INT]];",
for example.
-* CVC4 supports type ascriptions, e.g.
+* cvc5 supports type ascriptions, e.g.
U : TYPE;
f : INT -> U;
@@ -70,16 +70,16 @@ it (rather than giving a cryptic parse or assertion error).
DATATYPE Item = Carrots | Butter | Milk | Bread END;
groceries : list[Item] = cons(Butter, cons(Bread, nil:list[INT]));
-* CVC4 supports stronger distinction between type and variable names.
- This means that CVC4 may allow you to declare things that CVC3 does
+* cvc5 supports stronger distinction between type and variable names.
+ This means that cvc5 may allow you to declare things that CVC3 does
not:
a : TYPE;
a : INT; % CVC3 complains
- a : a; % CVC4 complains, `a' cannot both be INT and `a'
+ a : a; % cvc5 complains, `a' cannot both be INT and `a'
b : a; % No problem, `a' is both the type of `b', and an INT
-* CVC4 supports a command-level LET syntax, e.g.:
+* cvc5 supports a command-level LET syntax, e.g.:
LET double = LAMBDA(x:INT) : 2*x IN
QUERY double(5) = 10;
generated by cgit on debian on lair
contact matthew@masot.net with questions or feedback