From 843242e692280d604b74324ba26ead6158223439 Mon Sep 17 00:00:00 2001
From: Tolmachev Igor <me@igorek.dev>
Date: Sun, 10 May 2026 12:54:41 +0300
Subject: Remove Float from parser

Dropped to make the language simpler.
---
 compiler/src/ast/tests.rs | 96 +----------------------------------------------
 1 file changed, 2 insertions(+), 94 deletions(-)

(limited to 'compiler/src/ast/tests.rs')

diff --git a/compiler/src/ast/tests.rs b/compiler/src/ast/tests.rs
index 505b075..44789cb 100644
--- a/compiler/src/ast/tests.rs
+++ b/compiler/src/ast/tests.rs
@@ -8,7 +8,6 @@ use crate::{
 
 #[derive(Debug, PartialEq)]
 enum E {
-    Flt(f64),
     Int(i64),
     Str(&'static str),
     Sym(&'static str),
@@ -21,7 +20,6 @@ impl From<Expr> for E {
     fn from(expr: Expr) -> Self {
         match expr {
             Expr::Atom(atom) => match atom {
-                Atom::Float(f) => Flt(f),
                 Atom::Integer(i) => Int(i),
                 Atom::String(s) => Str(Box::leak(s.into())),
                 Atom::Symbol(s) => Sym(Box::leak(s.into())),
@@ -68,48 +66,12 @@ fn test_integers() {
     }
 }
 
-#[test]
-fn test_floats() {
-    let cases = vec![
-        (vec![Number("2.71")], vec![Flt(2.71)]),
-        (vec![Number("-2.5")], vec![Flt(-2.5)]),
-        (vec![Number("+0.0")], vec![Flt(0.0)]),
-        (vec![Number(".5")], vec![Flt(0.5)]),
-        (vec![Number("-.5")], vec![Flt(-0.5)]),
-        (vec![Number("+.5")], vec![Flt(0.5)]),
-        (vec![Number("1e10")], vec![Flt(1e10)]),
-        (vec![Number("1E10")], vec![Flt(1e10)]),
-        (vec![Number("1.5e-3")], vec![Flt(1.5e-3)]),
-        (vec![Number("-1.5E+3")], vec![Flt(-1.5e3)]),
-        (vec![Number("inf")], vec![Flt(f64::INFINITY)]),
-        (vec![Number("-inf")], vec![Flt(f64::NEG_INFINITY)]),
-        (vec![Number("1e9999")], vec![Flt(f64::INFINITY)]),
-        (vec![Number("-1e9999")], vec![Flt(f64::NEG_INFINITY)]),
-    ];
-    for (tokens, ast) in cases {
-        assert_eq!(parse(tokens.clone()), ast, "input: {tokens:?}");
-    }
-}
-
-#[test]
-fn test_float_nan() {
-    let tokens = vec![Number("nan")];
-    let expr = &parse(tokens.clone())[0];
-    assert!(
-        matches!(expr, Flt(f) if f.is_nan()),
-        "input: {tokens:?}, got: {expr:?}"
-    );
-}
-
 #[test]
 fn test_keywords() {
     let cases = vec![
         (vec![Symbol("true")], vec![Bool(true)]),
         (vec![Symbol("false")], vec![Bool(false)]),
         (vec![Symbol("nil")], vec![Nil]),
-        (vec![Symbol("inf")], vec![Flt(f64::INFINITY)]),
-        (vec![Symbol("+inf")], vec![Flt(f64::INFINITY)]),
-        (vec![Symbol("-inf")], vec![Flt(f64::NEG_INFINITY)]),
         (vec![LeftPar, RightPar], vec![Nil]),
     ];
     for (tokens, ast) in cases {
@@ -117,16 +79,6 @@ fn test_keywords() {
     }
 }
 
-#[test]
-fn test_keyword_nan() {
-    let tokens = vec![Symbol("nan")];
-    let expr = &parse(tokens.clone())[0];
-    assert!(
-        matches!(expr, Flt(f) if f.is_nan()),
-        "input: {tokens:?}, got: {expr:?}"
-    );
-}
-
 #[test]
 fn test_keywords_case_sensitive() {
     let cases = vec![
@@ -241,7 +193,7 @@ fn test_lists() {
             vec![
                 LeftPar,
                 Number("1"),
-                Number("2.5"),
+                Number("-1"),
                 String("s"),
                 Symbol("foo"),
                 Symbol("true"),
@@ -250,7 +202,7 @@ fn test_lists() {
             ],
             vec![List(vec![
                 Int(1),
-                Flt(2.5),
+                Int(-1),
                 Str("s"),
                 Sym("foo"),
                 Bool(true),
@@ -350,36 +302,6 @@ fn test_invalid_integer() {
     }
 }
 
-#[test]
-fn test_invalid_float() {
-    let cases = vec![
-        "12somE0txt",
-        "12som.0txt",
-        "12.3txt",
-        "1.2.3",
-        "1.2.3.4",
-        ".",
-        "+.",
-        "-.",
-        "1e",
-        "1e+",
-        "1e-",
-        "1.e",
-        ".e5",
-        "1ee5",
-        "1e1.5",
-    ];
-    for number in cases {
-        let tokens = vec![Number(number)];
-        let error = number.parse::<f64>().unwrap_err();
-        assert_eq!(
-            parse_err(tokens.clone()),
-            Error::InvalidFloatLiteral(number.into(), error),
-            "input: {tokens:?}",
-        );
-    }
-}
-
 #[test]
 fn test_unclosed_string() {
     let cases = vec![
@@ -504,20 +426,6 @@ fn test_error_span_invalid_integer() {
     assert_eq!(err.span, s, "input: {tokens:?}");
 }
 
-#[test]
-fn test_error_span_invalid_float() {
-    let s = sp((1, 0, 0), (1, 5, 5));
-    let tokens = vec![tsp(Number("1.2.3"), s)];
-    let err = parse_sp_err(tokens.clone());
-
-    assert!(
-        matches!(err.inner, Error::InvalidFloatLiteral(..)),
-        "input: {tokens:?}, got: {:?}",
-        err.inner,
-    );
-    assert_eq!(err.span, s, "input: {tokens:?}");
-}
-
 #[test]
 fn test_error_span_unclosed_left_par() {
     let lp = sp((1, 0, 0), (1, 1, 1));
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