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authorJJ2023-04-13 08:23:19 +0000
committerJJ2023-04-13 08:23:19 +0000
commitf1286b162b9223f039ac561dcd4fea5bbfa831d3 (patch)
treee17767adc05c1fffaaaf004b6aff40dd9bf7a5b9 /src
parent5ae010fef48cc2bf83a0d366d2a1cfa74ecce278 (diff)
unbreak tests
Diffstat (limited to 'src')
-rw-r--r--src/parser.rs14
-rw-r--r--src/util.rs12
2 files changed, 22 insertions, 4 deletions
diff --git a/src/parser.rs b/src/parser.rs
index 8eac52d..d6eb69d 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -29,12 +29,17 @@ pub fn parse_lambda(input: &str) -> Result<Expression, peg::error::ParseError<pe
// this is kinda awful, i miss my simple nim pegs
peg::parser! {
grammar lambda() for str {
- rule ident() -> String
- = i:['a'..='z' | 'A'..='Z' | '0'..='9']+ {
+ rule ident() -> String = i:['a'..='z' | 'A'..='Z' | '0'..='9']+ {
i.iter().collect::<String>()
}
- rule cons() -> Expression
- = p:"-"? c:['0'..='9']+ {
+ rule bool() -> Expression = b:$("true" / "false") {
+ match b {
+ "true" => Expression::Constant { term: Term::Boolean(true) },
+ "false" => Expression::Constant { term: Term::Boolean(false) },
+ _ => Expression::Constant { term: Term::Unit() }
+ }
+ }
+ rule num() -> Expression = p:"-"? c:['0'..='9']+ {
let value = c.iter().collect::<String>().parse::<usize>().unwrap();
Expression::Constant {
term: if let Some(_) = p {
@@ -44,6 +49,7 @@ pub fn parse_lambda(input: &str) -> Result<Expression, peg::error::ParseError<pe
}
}
}
+ rule cons() -> Expression = c:(bool() / num())
rule primitive() -> Type
= k:$("empty" / "unit" / "bool" / "nat" / "int") {
match k {
diff --git a/src/util.rs b/src/util.rs
index 70bd8e4..4b47afc 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -65,3 +65,15 @@ pub const Unit: Type = Type::Unit;
pub const Bool: Type = Type::Boolean;
pub const Nat: Type = Type::Natural;
pub const Int: Type = Type::Integer;
+
+pub fn Float(term: f32) -> Term {
+ return Term::Float(term)
+}
+
+pub fn Str(len: usize, cap: usize, data: Vec<usize>) -> Term {
+ return Term::String { len, cap, data }
+}
+
+pub fn Enum(val: usize, data: Vec<Type>) -> Term {
+ return Term::Enum { val, data }
+}