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-rw-r--r--crates/hir-def/src/body/lower.rs2
-rw-r--r--crates/hir-expand/src/builtin_fn_macro.rs36
-rw-r--r--crates/hir-ty/src/tests/simple.rs11
-rw-r--r--crates/ide-completion/src/completions/dot.rs20
-rw-r--r--crates/ide-completion/src/completions/postfix.rs4
-rw-r--r--crates/ide/src/syntax_highlighting/highlight.rs10
-rw-r--r--crates/ide/src/syntax_highlighting/test_data/highlight_strings.html14
-rw-r--r--crates/mbe/src/syntax_bridge.rs25
-rw-r--r--crates/mbe/src/to_parser_input.rs16
-rw-r--r--crates/parser/src/grammar.rs11
-rw-r--r--crates/parser/src/grammar/expressions.rs12
-rw-r--r--crates/parser/src/grammar/expressions/atom.rs40
-rw-r--r--crates/parser/src/grammar/patterns.rs2
-rw-r--r--crates/parser/src/lexed_str.rs28
-rw-r--r--crates/parser/src/syntax_kind/generated.rs11
-rw-r--r--crates/parser/test_data/lexer/err/empty_exponent.rast44
-rw-r--r--crates/parser/test_data/lexer/ok/numbers.rast25
-rw-r--r--crates/parser/test_data/parser/err/0023_mismatched_paren.rast4
-rw-r--r--crates/parser/test_data/parser/inline/ok/0011_field_expr.rast33
-rw-r--r--crates/parser/test_data/parser/inline/ok/0011_field_expr.rs2
-rw-r--r--crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast5
-rw-r--r--crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast26
-rw-r--r--crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs3
-rw-r--r--crates/parser/test_data/parser/inline/ok/0201_float_literal.rast51
-rw-r--r--crates/parser/test_data/parser/inline/ok/0201_float_literal.rs7
-rw-r--r--crates/parser/test_data/parser/ok/0056_neq_in_type.rast10
-rw-r--r--crates/syntax/rust.ungram9
-rw-r--r--crates/syntax/src/ast/expr_ext.rs42
-rw-r--r--crates/syntax/src/ast/generated/nodes.rs36
-rw-r--r--crates/syntax/src/ast/generated/tokens.rs8
-rw-r--r--crates/syntax/src/ast/make.rs13
-rw-r--r--crates/syntax/src/ast/node_ext.rs4
-rw-r--r--crates/syntax/src/ast/token_ext.rs29
-rw-r--r--crates/syntax/src/tests/ast_src.rs13
-rw-r--r--crates/syntax/src/tests/sourcegen_ast.rs6
-rw-r--r--crates/syntax/src/validation.rs11
36 files changed, 121 insertions, 502 deletions
diff --git a/crates/hir-def/src/body/lower.rs b/crates/hir-def/src/body/lower.rs
index 84662aa2778..e8303ec40f7 100644
--- a/crates/hir-def/src/body/lower.rs
+++ b/crates/hir-def/src/body/lower.rs
@@ -972,7 +972,7 @@ impl From<ast::LiteralKind> for Literal {
                 }
             }
             LiteralKind::FloatNumber(lit) => {
-                let ty = lit.suffix().and_then(|s| BuiltinFloat::from_suffix(&s));
+                let ty = lit.suffix().and_then(BuiltinFloat::from_suffix);
                 Literal::Float(Default::default(), ty)
             }
             LiteralKind::ByteString(bs) => {
diff --git a/crates/hir-expand/src/builtin_fn_macro.rs b/crates/hir-expand/src/builtin_fn_macro.rs
index 2be6c78a6e7..aa09912f302 100644
--- a/crates/hir-expand/src/builtin_fn_macro.rs
+++ b/crates/hir-expand/src/builtin_fn_macro.rs
@@ -4,7 +4,10 @@ use base_db::{AnchoredPath, Edition, FileId};
 use cfg::CfgExpr;
 use either::Either;
 use mbe::{parse_exprs_with_sep, parse_to_token_tree};
-use syntax::{ast, SmolStr};
+use syntax::{
+    ast::{self, AstToken},
+    SmolStr,
+};
 
 use crate::{db::AstDatabase, name, quote, ExpandError, ExpandResult, MacroCallId, MacroCallLoc};
 
@@ -355,7 +358,14 @@ fn unreachable_expand(
 }
 
 fn unquote_str(lit: &tt::Literal) -> Option<String> {
-    let token = ast::make::literal(&lit.to_string()).as_string()?;
+    let lit = ast::make::tokens::literal(&lit.to_string());
+    let token = ast::String::cast(lit)?;
+    token.value().map(|it| it.into_owned())
+}
+
+fn unquote_byte_string(lit: &tt::Literal) -> Option<Vec<u8>> {
+    let lit = ast::make::tokens::literal(&lit.to_string());
+    let token = ast::ByteString::cast(lit)?;
     token.value().map(|it| it.into_owned())
 }
 
@@ -432,16 +442,12 @@ fn concat_bytes_expand(
     for (i, t) in tt.token_trees.iter().enumerate() {
         match t {
             tt::TokenTree::Leaf(tt::Leaf::Literal(lit)) => {
-                let lit = ast::make::literal(&lit.to_string());
-                match lit.kind() {
-                    ast::LiteralKind::ByteString(s) => {
-                        s.value()
-                            .unwrap_or_default()
-                            .into_iter()
-                            .for_each(|x| bytes.push(x.to_string()));
-                    }
-                    ast::LiteralKind::Byte(_) => {
-                        bytes.push(lit.to_string());
+                let token = ast::make::tokens::literal(&lit.to_string());
+                match token.kind() {
+                    syntax::SyntaxKind::BYTE => bytes.push(token.text().to_string()),
+                    syntax::SyntaxKind::BYTE_STRING => {
+                        let components = unquote_byte_string(lit).unwrap_or_else(Vec::new);
+                        components.into_iter().for_each(|x| bytes.push(x.to_string()));
                     }
                     _ => {
                         err.get_or_insert(mbe::ExpandError::UnexpectedToken.into());
@@ -475,10 +481,10 @@ fn concat_bytes_expand_subtree(
     for (ti, tt) in tree.token_trees.iter().enumerate() {
         match tt {
             tt::TokenTree::Leaf(tt::Leaf::Literal(lit)) => {
-                let lit = ast::make::literal(&lit.to_string());
+                let lit = ast::make::tokens::literal(&lit.to_string());
                 match lit.kind() {
-                    ast::LiteralKind::IntNumber(_) | ast::LiteralKind::Byte(_) => {
-                        bytes.push(lit.to_string());
+                    syntax::SyntaxKind::BYTE | syntax::SyntaxKind::INT_NUMBER => {
+                        bytes.push(lit.text().to_string())
                     }
                     _ => {
                         return Err(mbe::ExpandError::UnexpectedToken.into());
diff --git a/crates/hir-ty/src/tests/simple.rs b/crates/hir-ty/src/tests/simple.rs
index 4b8a7e782de..d4d61c2167c 100644
--- a/crates/hir-ty/src/tests/simple.rs
+++ b/crates/hir-ty/src/tests/simple.rs
@@ -2733,14 +2733,3 @@ fn f() {
     "#,
     );
 }
-
-#[test]
-fn nested_tuple_index() {
-    check_no_mismatches(
-        r#"
-fn main() {
-    let fld: i32 = ((0,),).0.0;
-}
-"#,
-    );
-}
diff --git a/crates/ide-completion/src/completions/dot.rs b/crates/ide-completion/src/completions/dot.rs
index 6a553eadc19..9b5ececfd07 100644
--- a/crates/ide-completion/src/completions/dot.rs
+++ b/crates/ide-completion/src/completions/dot.rs
@@ -793,24 +793,4 @@ fn main() {
 ",
         )
     }
-
-    #[test]
-    fn tuple_index_completion() {
-        check(
-            r#"
-struct I;
-impl I {
-    fn i_method(&self) {}
-}
-struct S((), I);
-
-fn f(s: S) {
-    s.1.$0
-}
-"#,
-            expect![[r#"
-                me i_method() fn(&self)
-            "#]],
-        );
-    }
 }
diff --git a/crates/ide-completion/src/completions/postfix.rs b/crates/ide-completion/src/completions/postfix.rs
index be0f6748891..28256bd7042 100644
--- a/crates/ide-completion/src/completions/postfix.rs
+++ b/crates/ide-completion/src/completions/postfix.rs
@@ -5,7 +5,7 @@ mod format_like;
 use hir::{Documentation, HasAttrs};
 use ide_db::{imports::insert_use::ImportScope, ty_filter::TryEnum, SnippetCap};
 use syntax::{
-    ast::{self, AstNode, LiteralKind},
+    ast::{self, AstNode, AstToken},
     SyntaxKind::{EXPR_STMT, STMT_LIST},
     TextRange, TextSize,
 };
@@ -194,7 +194,7 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
     }
 
     if let ast::Expr::Literal(literal) = dot_receiver.clone() {
-        if let LiteralKind::String(literal_text) = literal.kind() {
+        if let Some(literal_text) = ast::String::cast(literal.token()) {
             add_format_like_completions(acc, ctx, &dot_receiver, cap, &literal_text);
         }
     }
diff --git a/crates/ide/src/syntax_highlighting/highlight.rs b/crates/ide/src/syntax_highlighting/highlight.rs
index bafbf6d9cc8..e04fd5a7c7f 100644
--- a/crates/ide/src/syntax_highlighting/highlight.rs
+++ b/crates/ide/src/syntax_highlighting/highlight.rs
@@ -30,15 +30,7 @@ pub(super) fn token(sema: &Semantics<RootDatabase>, token: SyntaxToken) -> Optio
         INT_NUMBER if token.ancestors().nth(1).map(|it| it.kind()) == Some(FIELD_EXPR) => {
             SymbolKind::Field.into()
         }
-        INT_NUMBER | FLOAT_NUMBER_PART | FLOAT_NUMBER_START_0 | FLOAT_NUMBER_START_1
-        | FLOAT_NUMBER_START_2 => HlTag::NumericLiteral.into(),
-        DOT if matches!(
-            token.prev_token().map(|n| n.kind()),
-            Some(FLOAT_NUMBER_START_1 | FLOAT_NUMBER_START_2)
-        ) =>
-        {
-            HlTag::NumericLiteral.into()
-        }
+        INT_NUMBER | FLOAT_NUMBER => HlTag::NumericLiteral.into(),
         BYTE => HlTag::ByteLiteral.into(),
         CHAR => HlTag::CharLiteral.into(),
         IDENT if token.parent().and_then(ast::TokenTree::cast).is_some() => {
diff --git a/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html b/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
index d7d6c79e3d3..60bc2901211 100644
--- a/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
+++ b/crates/ide/src/syntax_highlighting/test_data/highlight_strings.html
@@ -119,13 +119,13 @@ pre                 { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padd
     <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
     <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="numeric_literal">0</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">-</span><span class="numeric_literal">5</span><span class="parenthesis">)</span><span class="semicolon">;</span>
     <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">#</span><span class="numeric_literal">0</span><span class="numeric_literal">10</span><span class="variable">x</span><span class="format_specifier">}</span><span class="string_literal">!"</span><span class="comma">,</span> <span class="numeric_literal">27</span><span class="parenthesis">)</span><span class="semicolon">;</span>
-    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">0</span><span class="numeric_literal">.</span><span class="numeric_literal">01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
-    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">0</span><span class="numeric_literal">.</span><span class="numeric_literal">01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
-    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0</span><span class="numeric_literal">.</span><span class="numeric_literal">01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
-    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span>    <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0</span><span class="numeric_literal">.</span><span class="numeric_literal">01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
-    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span>   <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0</span><span class="numeric_literal">.</span><span class="numeric_literal">01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
-    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> prec <span class="operator">=</span> <span class="numeric_literal">5</span><span class="comma">,</span> number <span class="operator">=</span> <span class="numeric_literal">0</span><span class="numeric_literal">.</span><span class="numeric_literal">01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
-    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 fractional digits"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="numeric_literal">1234</span><span class="numeric_literal">.</span><span class="numeric_literal">56</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">5</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">1</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">0</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="numeric_literal">0</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="numeric_literal">1</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span>    <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="numeric_literal">2</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span>   <span class="string_literal">"x"</span><span class="comma">,</span> <span class="numeric_literal">5</span><span class="comma">,</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello </span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal"> is </span><span class="format_specifier">{</span><span class="variable">number</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="variable">prec</span><span class="format_specifier">$</span><span class="format_specifier">}</span><span class="string_literal">"</span><span class="comma">,</span> <span class="string_literal">"x"</span><span class="comma">,</span> prec <span class="operator">=</span> <span class="numeric_literal">5</span><span class="comma">,</span> number <span class="operator">=</span> <span class="numeric_literal">0.01</span><span class="parenthesis">)</span><span class="semicolon">;</span>
+    <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 fractional digits"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="numeric_literal">1234.56</span><span class="parenthesis">)</span><span class="semicolon">;</span>
     <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 characters"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
     <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"</span><span class="format_specifier">{</span><span class="format_specifier">}</span><span class="string_literal">, `</span><span class="format_specifier">{</span><span class="variable">name</span><span class="format_specifier">:</span><span class="format_specifier">&gt;</span><span class="numeric_literal">8</span><span class="format_specifier">.</span><span class="format_specifier">*</span><span class="format_specifier">}</span><span class="string_literal">` has 3 right-aligned characters"</span><span class="comma">,</span> <span class="string_literal">"Hello"</span><span class="comma">,</span> <span class="numeric_literal">3</span><span class="comma">,</span> name<span class="operator">=</span><span class="string_literal">"1234.56"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
     <span class="macro">println</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="string_literal">"Hello {{}}"</span><span class="parenthesis">)</span><span class="semicolon">;</span>
diff --git a/crates/mbe/src/syntax_bridge.rs b/crates/mbe/src/syntax_bridge.rs
index 79fd1250e0e..21a0aa4284a 100644
--- a/crates/mbe/src/syntax_bridge.rs
+++ b/crates/mbe/src/syntax_bridge.rs
@@ -260,31 +260,6 @@ fn convert_tokens<C: TokenConvertor>(conv: &mut C) -> tt::Subtree {
                 IDENT => make_leaf!(Ident),
                 UNDERSCORE => make_leaf!(Ident),
                 k if k.is_keyword() => make_leaf!(Ident),
-                FLOAT_NUMBER_START_0 | FLOAT_NUMBER_START_1 | FLOAT_NUMBER_START_2 => {
-                    // Reassemble a split-up float token.
-                    let mut range = range;
-                    let mut text = token.to_text(conv).to_string();
-                    if kind == FLOAT_NUMBER_START_1 || kind == FLOAT_NUMBER_START_2 {
-                        let (dot, dot_range) = conv.bump().unwrap();
-                        text += &*dot.to_text(conv);
-                        range = TextRange::new(range.start(), dot_range.end());
-
-                        if kind == FLOAT_NUMBER_START_2 {
-                            let (tail, tail_range) = conv.bump().unwrap();
-                            text += &*tail.to_text(conv);
-                            range = TextRange::new(range.start(), tail_range.end());
-                        }
-                    }
-
-                    result.push(
-                        tt::Leaf::from(tt::Literal {
-                            id: conv.id_alloc().alloc(range, synth_id),
-                            text: text.into(),
-                        })
-                        .into(),
-                    );
-                    continue;
-                }
                 k if k.is_literal() => make_leaf!(Literal),
                 LIFETIME_IDENT => {
                     let char_unit = TextSize::of('\'');
diff --git a/crates/mbe/src/to_parser_input.rs b/crates/mbe/src/to_parser_input.rs
index 958f6433206..6faa147218e 100644
--- a/crates/mbe/src/to_parser_input.rs
+++ b/crates/mbe/src/to_parser_input.rs
@@ -35,13 +35,15 @@ pub(crate) fn to_parser_input(buffer: &TokenBuffer) -> parser::Input {
                         let is_negated = lit.text.starts_with('-');
                         let inner_text = &lit.text[if is_negated { 1 } else { 0 }..];
 
-                        let lexed_str = parser::LexedStr::new(inner_text);
-                        if lexed_str.is_empty() {
-                            panic!("failed to convert literal: {:?}", lit);
-                        }
-                        for i in 0..lexed_str.len() {
-                            res.push(lexed_str.kind(i));
-                        }
+                        let kind = parser::LexedStr::single_token(inner_text)
+                            .map(|(kind, _error)| kind)
+                            .filter(|kind| {
+                                kind.is_literal()
+                                    && (!is_negated || matches!(kind, FLOAT_NUMBER | INT_NUMBER))
+                            })
+                            .unwrap_or_else(|| panic!("Fail to convert given literal {:#?}", &lit));
+
+                        res.push(kind);
                     }
                     tt::Leaf::Ident(ident) => match ident.text.as_ref() {
                         "_" => res.push(T![_]),
diff --git a/crates/parser/src/grammar.rs b/crates/parser/src/grammar.rs
index 92f33025387..4efbf9a606e 100644
--- a/crates/parser/src/grammar.rs
+++ b/crates/parser/src/grammar.rs
@@ -39,7 +39,6 @@ mod generic_params;
 mod types;
 
 use crate::{
-    grammar::expressions::FLOAT_LITERAL_FIRST,
     parser::{CompletedMarker, Marker, Parser},
     SyntaxKind::{self, *},
     TokenSet, T,
@@ -319,15 +318,9 @@ fn name_ref(p: &mut Parser) {
 }
 
 fn name_ref_or_index(p: &mut Parser) {
-    assert!(
-        p.at(IDENT) || p.at(INT_NUMBER) || p.at(FLOAT_NUMBER_PART) || p.at_ts(FLOAT_LITERAL_FIRST)
-    );
+    assert!(p.at(IDENT) || p.at(INT_NUMBER));
     let m = p.start();
-    if p.at_ts(FLOAT_LITERAL_FIRST) {
-        p.bump_remap(FLOAT_NUMBER_PART);
-    } else {
-        p.bump_any();
-    }
+    p.bump_any();
     m.complete(p, NAME_REF);
 }
 
diff --git a/crates/parser/src/grammar/expressions.rs b/crates/parser/src/grammar/expressions.rs
index 290083b3434..b063c73a9d6 100644
--- a/crates/parser/src/grammar/expressions.rs
+++ b/crates/parser/src/grammar/expressions.rs
@@ -3,7 +3,7 @@ mod atom;
 use super::*;
 
 pub(crate) use self::atom::{block_expr, match_arm_list};
-pub(super) use self::atom::{literal, FLOAT_LITERAL_FIRST, LITERAL_FIRST};
+pub(super) use self::atom::{literal, LITERAL_FIRST};
 
 #[derive(PartialEq, Eq)]
 pub(super) enum Semicolon {
@@ -452,9 +452,6 @@ fn index_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
 // fn foo() {
 //     x.foo();
 //     y.bar::<T>(1, 2,);
-//
-//     0e0.sin();
-//     0e0f32.sin();
 // }
 fn method_call_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
     assert!(p.at(T![.]) && p.nth(1) == IDENT && (p.nth(2) == T!['('] || p.nth_at(2, T![::])));
@@ -472,16 +469,17 @@ fn method_call_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
 // fn foo() {
 //     x.foo;
 //     x.0.bar;
-//     x.0. bar;
-//     x.0.1;
 //     x.0();
 // }
 fn field_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
     assert!(p.at(T![.]));
     let m = lhs.precede(p);
     p.bump(T![.]);
-    if p.at(IDENT) || p.at(INT_NUMBER) || p.at(FLOAT_NUMBER_PART) || p.at_ts(FLOAT_LITERAL_FIRST) {
+    if p.at(IDENT) || p.at(INT_NUMBER) {
         name_ref_or_index(p);
+    } else if p.at(FLOAT_NUMBER) {
+        // FIXME: How to recover and instead parse INT + T![.]?
+        p.bump_any();
     } else {
         p.error("expected field name or number");
     }
diff --git a/crates/parser/src/grammar/expressions/atom.rs b/crates/parser/src/grammar/expressions/atom.rs
index 5ab148ff288..10e5d897e07 100644
--- a/crates/parser/src/grammar/expressions/atom.rs
+++ b/crates/parser/src/grammar/expressions/atom.rs
@@ -17,58 +17,22 @@ pub(crate) const LITERAL_FIRST: TokenSet = TokenSet::new(&[
     T![true],
     T![false],
     INT_NUMBER,
-    FLOAT_NUMBER_START_0,
-    FLOAT_NUMBER_START_1,
-    FLOAT_NUMBER_START_2,
+    FLOAT_NUMBER,
     BYTE,
     CHAR,
     STRING,
     BYTE_STRING,
 ]);
 
-pub(crate) const FLOAT_LITERAL_FIRST: TokenSet =
-    TokenSet::new(&[FLOAT_NUMBER_START_0, FLOAT_NUMBER_START_1, FLOAT_NUMBER_START_2]);
-
 pub(crate) fn literal(p: &mut Parser) -> Option<CompletedMarker> {
     if !p.at_ts(LITERAL_FIRST) {
         return None;
     }
     let m = p.start();
-    if p.at_ts(FLOAT_LITERAL_FIRST) {
-        float_literal(p);
-    } else {
-        // Everything else is just one token.
-        p.bump_any();
-    }
+    p.bump_any();
     Some(m.complete(p, LITERAL))
 }
 
-// test float_literal
-// fn f() {
-//     0.0;
-//     1.;
-//     0e0;
-//     0e0f32;
-//     1.23f64;
-// }
-pub(crate) fn float_literal(p: &mut Parser) {
-    // Floats can be up to 3 tokens. The first token indicates how many there are.
-    let f = p.start();
-    if p.at(FLOAT_NUMBER_START_0) {
-        p.bump(FLOAT_NUMBER_START_0);
-    } else if p.at(FLOAT_NUMBER_START_1) {
-        p.bump(FLOAT_NUMBER_START_1);
-        p.bump(DOT);
-    } else if p.at(FLOAT_NUMBER_START_2) {
-        p.bump(FLOAT_NUMBER_START_2);
-        p.bump(DOT);
-        p.bump(FLOAT_NUMBER_PART);
-    } else {
-        unreachable!();
-    }
-    f.complete(p, FLOAT_LITERAL);
-}
-
 // E.g. for after the break in `if break {}`, this should not match
 pub(super) const ATOM_EXPR_FIRST: TokenSet =
     LITERAL_FIRST.union(paths::PATH_FIRST).union(TokenSet::new(&[
diff --git a/crates/parser/src/grammar/patterns.rs b/crates/parser/src/grammar/patterns.rs
index c16bd8d0c7a..1f622b32e5b 100644
--- a/crates/parser/src/grammar/patterns.rs
+++ b/crates/parser/src/grammar/patterns.rs
@@ -140,7 +140,7 @@ fn atom_pat(p: &mut Parser, recovery_set: TokenSet) -> Option<CompletedMarker> {
 }
 
 fn is_literal_pat_start(p: &Parser) -> bool {
-    p.at(T![-]) && (p.nth(1) == INT_NUMBER || p.nth(1) == FLOAT_NUMBER_PART)
+    p.at(T![-]) && (p.nth(1) == INT_NUMBER || p.nth(1) == FLOAT_NUMBER)
         || p.at_ts(expressions::LITERAL_FIRST)
 }
 
diff --git a/crates/parser/src/lexed_str.rs b/crates/parser/src/lexed_str.rs
index 9887960871f..f4b9988eacb 100644
--- a/crates/parser/src/lexed_str.rs
+++ b/crates/parser/src/lexed_str.rs
@@ -177,7 +177,7 @@ impl<'a> Converter<'a> {
 
                 rustc_lexer::TokenKind::RawIdent => IDENT,
                 rustc_lexer::TokenKind::Literal { kind, .. } => {
-                    self.extend_literal(token_text, kind);
+                    self.extend_literal(token_text.len(), kind);
                     return;
                 }
 
@@ -223,7 +223,7 @@ impl<'a> Converter<'a> {
         self.push(syntax_kind, token_text.len(), err);
     }
 
-    fn extend_literal(&mut self, token_text: &str, kind: &rustc_lexer::LiteralKind) {
+    fn extend_literal(&mut self, len: usize, kind: &rustc_lexer::LiteralKind) {
         let mut err = "";
 
         let syntax_kind = match *kind {
@@ -237,27 +237,7 @@ impl<'a> Converter<'a> {
                 if empty_exponent {
                     err = "Missing digits after the exponent symbol";
                 }
-
-                // In order to correctly parse nested tuple accesses like `tup.0.0`, where the `0.0`
-                // is lexed as a float, we split floats that contain a `.` into 3 tokens.
-                // To ensure that later stages can always reconstruct the token correctly, the first
-                // token in the sequence indicates the number of following tokens that are part of
-                // the float literal.
-                if let Some((before, after)) = token_text.split_once('.') {
-                    let err = if err.is_empty() { None } else { Some(err) };
-
-                    assert!(!before.is_empty());
-                    let tok =
-                        if after.is_empty() { FLOAT_NUMBER_START_1 } else { FLOAT_NUMBER_START_2 };
-                    self.push(tok, before.len(), None);
-                    self.push(DOT, 1, None);
-                    if !after.is_empty() {
-                        self.push(FLOAT_NUMBER_PART, after.len(), err);
-                    }
-                    return;
-                }
-
-                FLOAT_NUMBER_START_0
+                FLOAT_NUMBER
             }
             rustc_lexer::LiteralKind::Char { terminated } => {
                 if !terminated {
@@ -315,6 +295,6 @@ impl<'a> Converter<'a> {
         };
 
         let err = if err.is_empty() { None } else { Some(err) };
-        self.push(syntax_kind, token_text.len(), err);
+        self.push(syntax_kind, len, err);
     }
 }
diff --git a/crates/parser/src/syntax_kind/generated.rs b/crates/parser/src/syntax_kind/generated.rs
index 5ddcd6ad6a4..628fa745e75 100644
--- a/crates/parser/src/syntax_kind/generated.rs
+++ b/crates/parser/src/syntax_kind/generated.rs
@@ -110,10 +110,7 @@ pub enum SyntaxKind {
     RAW_KW,
     MACRO_RULES_KW,
     INT_NUMBER,
-    FLOAT_NUMBER_START_0,
-    FLOAT_NUMBER_START_1,
-    FLOAT_NUMBER_START_2,
-    FLOAT_NUMBER_PART,
+    FLOAT_NUMBER,
     CHAR,
     BYTE,
     STRING,
@@ -230,7 +227,6 @@ pub enum SyntaxKind {
     PATH,
     PATH_SEGMENT,
     LITERAL,
-    FLOAT_LITERAL,
     RENAME,
     VISIBILITY,
     WHERE_CLAUSE,
@@ -290,8 +286,7 @@ impl SyntaxKind {
     }
     pub fn is_literal(self) -> bool {
         match self {
-            INT_NUMBER | FLOAT_NUMBER_START_0 | FLOAT_NUMBER_START_1 | FLOAT_NUMBER_START_2
-            | FLOAT_NUMBER_PART | CHAR | BYTE | STRING | BYTE_STRING => true,
+            INT_NUMBER | FLOAT_NUMBER | CHAR | BYTE | STRING | BYTE_STRING => true,
             _ => false,
         }
     }
@@ -391,5 +386,5 @@ impl SyntaxKind {
     }
 }
 #[macro_export]
-macro_rules ! T { [;] => { $ crate :: SyntaxKind :: SEMICOLON } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_CURLY } ; ['}'] => { $ crate :: SyntaxKind :: R_CURLY } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; [<] => { $ crate :: SyntaxKind :: L_ANGLE } ; [>] => { $ crate :: SyntaxKind :: R_ANGLE } ; [@] => { $ crate :: SyntaxKind :: AT } ; [#] => { $ crate :: SyntaxKind :: POUND } ; [~] => { $ crate :: SyntaxKind :: TILDE } ; [?] => { $ crate :: SyntaxKind :: QUESTION } ; [$] => { $ crate :: SyntaxKind :: DOLLAR } ; [&] => { $ crate :: SyntaxKind :: AMP } ; [|] => { $ crate :: SyntaxKind :: PIPE } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [*] => { $ crate :: SyntaxKind :: STAR } ; [/] => { $ crate :: SyntaxKind :: SLASH } ; [^] => { $ crate :: SyntaxKind :: CARET } ; [%] => { $ crate :: SyntaxKind :: PERCENT } ; [_] => { $ crate :: SyntaxKind :: UNDERSCORE } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [..] => { $ crate :: SyntaxKind :: DOT2 } ; [...] => { $ crate :: SyntaxKind :: DOT3 } ; [..=] => { $ crate :: SyntaxKind :: DOT2EQ } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [::] => { $ crate :: SyntaxKind :: COLON2 } ; [=] => { $ crate :: SyntaxKind :: EQ } ; [==] => { $ crate :: SyntaxKind :: EQ2 } ; [=>] => { $ crate :: SyntaxKind :: FAT_ARROW } ; [!] => { $ crate :: SyntaxKind :: BANG } ; [!=] => { $ crate :: SyntaxKind :: NEQ } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [->] => { $ crate :: SyntaxKind :: THIN_ARROW } ; [<=] => { $ crate :: SyntaxKind :: LTEQ } ; [>=] => { $ crate :: SyntaxKind :: GTEQ } ; [+=] => { $ crate :: SyntaxKind :: PLUSEQ } ; [-=] => { $ crate :: SyntaxKind :: MINUSEQ } ; [|=] => { $ crate :: SyntaxKind :: PIPEEQ } ; [&=] => { $ crate :: SyntaxKind :: AMPEQ } ; [^=] => { $ crate :: SyntaxKind :: CARETEQ } ; [/=] => { $ crate :: SyntaxKind :: SLASHEQ } ; [*=] => { $ crate :: SyntaxKind :: STAREQ } ; [%=] => { $ crate :: SyntaxKind :: PERCENTEQ } ; [&&] => { $ crate :: SyntaxKind :: AMP2 } ; [||] => { $ crate :: SyntaxKind :: PIPE2 } ; [<<] => { $ crate :: SyntaxKind :: SHL } ; [>>] => { $ crate :: SyntaxKind :: SHR } ; [<<=] => { $ crate :: SyntaxKind :: SHLEQ } ; [>>=] => { $ crate :: SyntaxKind :: SHREQ } ; [as] => { $ crate :: SyntaxKind :: AS_KW } ; [async] => { $ crate :: SyntaxKind :: ASYNC_KW } ; [await] => { $ crate :: SyntaxKind :: AWAIT_KW } ; [box] => { $ crate :: SyntaxKind :: BOX_KW } ; [break] => { $ crate :: SyntaxKind :: BREAK_KW } ; [const] => { $ crate :: SyntaxKind :: CONST_KW } ; [continue] => { $ crate :: SyntaxKind :: CONTINUE_KW } ; [crate] => { $ crate :: SyntaxKind :: CRATE_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [enum] => { $ crate :: SyntaxKind :: ENUM_KW } ; [extern] => { $ crate :: SyntaxKind :: EXTERN_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [fn] => { $ crate :: SyntaxKind :: FN_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [impl] => { $ crate :: SyntaxKind :: IMPL_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [let] => { $ crate :: SyntaxKind :: LET_KW } ; [loop] => { $ crate :: SyntaxKind :: LOOP_KW } ; [macro] => { $ crate :: SyntaxKind :: MACRO_KW } ; [match] => { $ crate :: SyntaxKind :: MATCH_KW } ; [mod] => { $ crate :: SyntaxKind :: MOD_KW } ; [move] => { $ crate :: SyntaxKind :: MOVE_KW } ; [mut] => { $ crate :: SyntaxKind :: MUT_KW } ; [pub] => { $ crate :: SyntaxKind :: PUB_KW } ; [ref] => { $ crate :: SyntaxKind :: REF_KW } ; [return] => { $ crate :: SyntaxKind :: RETURN_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [Self] => { $ crate :: SyntaxKind :: SELF_TYPE_KW } ; [static] => { $ crate :: SyntaxKind :: STATIC_KW } ; [struct] => { $ crate :: SyntaxKind :: STRUCT_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [trait] => { $ crate :: SyntaxKind :: TRAIT_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [try] => { $ crate :: SyntaxKind :: TRY_KW } ; [type] => { $ crate :: SyntaxKind :: TYPE_KW } ; [unsafe] => { $ crate :: SyntaxKind :: UNSAFE_KW } ; [use] => { $ crate :: SyntaxKind :: USE_KW } ; [where] => { $ crate :: SyntaxKind :: WHERE_KW } ; [while] => { $ crate :: SyntaxKind :: WHILE_KW } ; [yield] => { $ crate :: SyntaxKind :: YIELD_KW } ; [auto] => { $ crate :: SyntaxKind :: AUTO_KW } ; [default] => { $ crate :: SyntaxKind :: DEFAULT_KW } ; [existential] => { $ crate :: SyntaxKind :: EXISTENTIAL_KW } ; [union] => { $ crate :: SyntaxKind :: UNION_KW } ; [raw] => { $ crate :: SyntaxKind :: RAW_KW } ; [macro_rules] => { $ crate :: SyntaxKind :: MACRO_RULES_KW } ; [lifetime_ident] => { $ crate :: SyntaxKind :: LIFETIME_IDENT } ; [ident] => { $ crate :: SyntaxKind :: IDENT } ; [shebang] => { $ crate :: SyntaxKind :: SHEBANG } ; [float_number_part] => { $ crate :: SyntaxKind :: FLOAT_NUMBER_PART } ; [float_number_start_0] => { $ crate :: SyntaxKind :: FLOAT_NUMBER_START_0 } ; [float_number_start_1] => { $ crate :: SyntaxKind :: FLOAT_NUMBER_START_1 } ; [float_number_start_2] => { $ crate :: SyntaxKind :: FLOAT_NUMBER_START_2 } ; }
+macro_rules ! T { [;] => { $ crate :: SyntaxKind :: SEMICOLON } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_CURLY } ; ['}'] => { $ crate :: SyntaxKind :: R_CURLY } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; [<] => { $ crate :: SyntaxKind :: L_ANGLE } ; [>] => { $ crate :: SyntaxKind :: R_ANGLE } ; [@] => { $ crate :: SyntaxKind :: AT } ; [#] => { $ crate :: SyntaxKind :: POUND } ; [~] => { $ crate :: SyntaxKind :: TILDE } ; [?] => { $ crate :: SyntaxKind :: QUESTION } ; [$] => { $ crate :: SyntaxKind :: DOLLAR } ; [&] => { $ crate :: SyntaxKind :: AMP } ; [|] => { $ crate :: SyntaxKind :: PIPE } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [*] => { $ crate :: SyntaxKind :: STAR } ; [/] => { $ crate :: SyntaxKind :: SLASH } ; [^] => { $ crate :: SyntaxKind :: CARET } ; [%] => { $ crate :: SyntaxKind :: PERCENT } ; [_] => { $ crate :: SyntaxKind :: UNDERSCORE } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [..] => { $ crate :: SyntaxKind :: DOT2 } ; [...] => { $ crate :: SyntaxKind :: DOT3 } ; [..=] => { $ crate :: SyntaxKind :: DOT2EQ } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [::] => { $ crate :: SyntaxKind :: COLON2 } ; [=] => { $ crate :: SyntaxKind :: EQ } ; [==] => { $ crate :: SyntaxKind :: EQ2 } ; [=>] => { $ crate :: SyntaxKind :: FAT_ARROW } ; [!] => { $ crate :: SyntaxKind :: BANG } ; [!=] => { $ crate :: SyntaxKind :: NEQ } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [->] => { $ crate :: SyntaxKind :: THIN_ARROW } ; [<=] => { $ crate :: SyntaxKind :: LTEQ } ; [>=] => { $ crate :: SyntaxKind :: GTEQ } ; [+=] => { $ crate :: SyntaxKind :: PLUSEQ } ; [-=] => { $ crate :: SyntaxKind :: MINUSEQ } ; [|=] => { $ crate :: SyntaxKind :: PIPEEQ } ; [&=] => { $ crate :: SyntaxKind :: AMPEQ } ; [^=] => { $ crate :: SyntaxKind :: CARETEQ } ; [/=] => { $ crate :: SyntaxKind :: SLASHEQ } ; [*=] => { $ crate :: SyntaxKind :: STAREQ } ; [%=] => { $ crate :: SyntaxKind :: PERCENTEQ } ; [&&] => { $ crate :: SyntaxKind :: AMP2 } ; [||] => { $ crate :: SyntaxKind :: PIPE2 } ; [<<] => { $ crate :: SyntaxKind :: SHL } ; [>>] => { $ crate :: SyntaxKind :: SHR } ; [<<=] => { $ crate :: SyntaxKind :: SHLEQ } ; [>>=] => { $ crate :: SyntaxKind :: SHREQ } ; [as] => { $ crate :: SyntaxKind :: AS_KW } ; [async] => { $ crate :: SyntaxKind :: ASYNC_KW } ; [await] => { $ crate :: SyntaxKind :: AWAIT_KW } ; [box] => { $ crate :: SyntaxKind :: BOX_KW } ; [break] => { $ crate :: SyntaxKind :: BREAK_KW } ; [const] => { $ crate :: SyntaxKind :: CONST_KW } ; [continue] => { $ crate :: SyntaxKind :: CONTINUE_KW } ; [crate] => { $ crate :: SyntaxKind :: CRATE_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [enum] => { $ crate :: SyntaxKind :: ENUM_KW } ; [extern] => { $ crate :: SyntaxKind :: EXTERN_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [fn] => { $ crate :: SyntaxKind :: FN_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [impl] => { $ crate :: SyntaxKind :: IMPL_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [let] => { $ crate :: SyntaxKind :: LET_KW } ; [loop] => { $ crate :: SyntaxKind :: LOOP_KW } ; [macro] => { $ crate :: SyntaxKind :: MACRO_KW } ; [match] => { $ crate :: SyntaxKind :: MATCH_KW } ; [mod] => { $ crate :: SyntaxKind :: MOD_KW } ; [move] => { $ crate :: SyntaxKind :: MOVE_KW } ; [mut] => { $ crate :: SyntaxKind :: MUT_KW } ; [pub] => { $ crate :: SyntaxKind :: PUB_KW } ; [ref] => { $ crate :: SyntaxKind :: REF_KW } ; [return] => { $ crate :: SyntaxKind :: RETURN_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [Self] => { $ crate :: SyntaxKind :: SELF_TYPE_KW } ; [static] => { $ crate :: SyntaxKind :: STATIC_KW } ; [struct] => { $ crate :: SyntaxKind :: STRUCT_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [trait] => { $ crate :: SyntaxKind :: TRAIT_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [try] => { $ crate :: SyntaxKind :: TRY_KW } ; [type] => { $ crate :: SyntaxKind :: TYPE_KW } ; [unsafe] => { $ crate :: SyntaxKind :: UNSAFE_KW } ; [use] => { $ crate :: SyntaxKind :: USE_KW } ; [where] => { $ crate :: SyntaxKind :: WHERE_KW } ; [while] => { $ crate :: SyntaxKind :: WHILE_KW } ; [yield] => { $ crate :: SyntaxKind :: YIELD_KW } ; [auto] => { $ crate :: SyntaxKind :: AUTO_KW } ; [default] => { $ crate :: SyntaxKind :: DEFAULT_KW } ; [existential] => { $ crate :: SyntaxKind :: EXISTENTIAL_KW } ; [union] => { $ crate :: SyntaxKind :: UNION_KW } ; [raw] => { $ crate :: SyntaxKind :: RAW_KW } ; [macro_rules] => { $ crate :: SyntaxKind :: MACRO_RULES_KW } ; [lifetime_ident] => { $ crate :: SyntaxKind :: LIFETIME_IDENT } ; [ident] => { $ crate :: SyntaxKind :: IDENT } ; [shebang] => { $ crate :: SyntaxKind :: SHEBANG } ; }
 pub use T;
diff --git a/crates/parser/test_data/lexer/err/empty_exponent.rast b/crates/parser/test_data/lexer/err/empty_exponent.rast
index 73de4cac243..af03d73ced9 100644
--- a/crates/parser/test_data/lexer/err/empty_exponent.rast
+++ b/crates/parser/test_data/lexer/err/empty_exponent.rast
@@ -1,14 +1,14 @@
-FLOAT_NUMBER_START_0 "0e" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "0e" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_0 "0E" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "0E" error: Missing digits after the exponent symbol
 WHITESPACE "\n\n"
-FLOAT_NUMBER_START_0 "42e+" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42e+" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_0 "42e-" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42e-" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_0 "42E+" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42E+" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_0 "42E-" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42E-" error: Missing digits after the exponent symbol
 WHITESPACE "\n\n"
 INT_NUMBER "42"
 DOT "."
@@ -30,35 +30,19 @@ DOT "."
 IDENT "E"
 MINUS "-"
 WHITESPACE "\n\n"
-FLOAT_NUMBER_START_2 "42"
-DOT "."
-FLOAT_NUMBER_PART "2e+" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42.2e+" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_2 "42"
-DOT "."
-FLOAT_NUMBER_PART "2e-" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42.2e-" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_2 "42"
-DOT "."
-FLOAT_NUMBER_PART "2E+" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42.2E+" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_2 "42"
-DOT "."
-FLOAT_NUMBER_PART "2E-" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42.2E-" error: Missing digits after the exponent symbol
 WHITESPACE "\n\n"
-FLOAT_NUMBER_START_2 "42"
-DOT "."
-FLOAT_NUMBER_PART "2e+f32" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42.2e+f32" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_2 "42"
-DOT "."
-FLOAT_NUMBER_PART "2e-f32" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42.2e-f32" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_2 "42"
-DOT "."
-FLOAT_NUMBER_PART "2E+f32" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42.2E+f32" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
-FLOAT_NUMBER_START_2 "42"
-DOT "."
-FLOAT_NUMBER_PART "2E-f32" error: Missing digits after the exponent symbol
+FLOAT_NUMBER "42.2E-f32" error: Missing digits after the exponent symbol
 WHITESPACE "\n"
diff --git a/crates/parser/test_data/lexer/ok/numbers.rast b/crates/parser/test_data/lexer/ok/numbers.rast
index 428bdf8a1f9..8d13c3f6106 100644
--- a/crates/parser/test_data/lexer/ok/numbers.rast
+++ b/crates/parser/test_data/lexer/ok/numbers.rast
@@ -4,8 +4,7 @@ INT_NUMBER "00"
 WHITESPACE " "
 INT_NUMBER "0_"
 WHITESPACE " "
-FLOAT_NUMBER_START_1 "0"
-DOT "."
+FLOAT_NUMBER "0."
 WHITESPACE " "
 INT_NUMBER "0z"
 WHITESPACE "\n"
@@ -21,13 +20,11 @@ INT_NUMBER "001279"
 WHITESPACE " "
 INT_NUMBER "0_1279"
 WHITESPACE " "
-FLOAT_NUMBER_START_2 "0"
-DOT "."
-FLOAT_NUMBER_PART "1279"
+FLOAT_NUMBER "0.1279"
 WHITESPACE " "
-FLOAT_NUMBER_START_0 "0e1279"
+FLOAT_NUMBER "0e1279"
 WHITESPACE " "
-FLOAT_NUMBER_START_0 "0E1279"
+FLOAT_NUMBER "0E1279"
 WHITESPACE "\n"
 INT_NUMBER "0"
 DOT "."
@@ -40,7 +37,7 @@ IDENT "foo"
 L_PAREN "("
 R_PAREN ")"
 WHITESPACE "\n"
-FLOAT_NUMBER_START_0 "0e+1"
+FLOAT_NUMBER "0e+1"
 WHITESPACE "\n"
 INT_NUMBER "0"
 DOT "."
@@ -48,19 +45,13 @@ IDENT "e"
 PLUS "+"
 INT_NUMBER "1"
 WHITESPACE "\n"
-FLOAT_NUMBER_START_2 "0"
-DOT "."
-FLOAT_NUMBER_PART "0E-2"
+FLOAT_NUMBER "0.0E-2"
 WHITESPACE "\n"
-FLOAT_NUMBER_START_2 "0___0"
-DOT "."
-FLOAT_NUMBER_PART "10000____0000e+111__"
+FLOAT_NUMBER "0___0.10000____0000e+111__"
 WHITESPACE "\n"
 INT_NUMBER "1i64"
 WHITESPACE " "
-FLOAT_NUMBER_START_2 "92"
-DOT "."
-FLOAT_NUMBER_PART "0f32"
+FLOAT_NUMBER "92.0f32"
 WHITESPACE " "
 INT_NUMBER "11__s"
 WHITESPACE "\n"
diff --git a/crates/parser/test_data/parser/err/0023_mismatched_paren.rast b/crates/parser/test_data/parser/err/0023_mismatched_paren.rast
index 70cd030da1e..4064a7a1ff2 100644
--- a/crates/parser/test_data/parser/err/0023_mismatched_paren.rast
+++ b/crates/parser/test_data/parser/err/0023_mismatched_paren.rast
@@ -32,9 +32,7 @@ SOURCE_FILE
               INT_NUMBER "1"
               COMMA ","
               WHITESPACE " "
-              FLOAT_NUMBER_START_2 "2"
-              DOT "."
-              FLOAT_NUMBER_PART "0"
+              FLOAT_NUMBER "2.0"
         WHITESPACE "\n    "
         R_CURLY "}"
   WHITESPACE " "
diff --git a/crates/parser/test_data/parser/inline/ok/0011_field_expr.rast b/crates/parser/test_data/parser/inline/ok/0011_field_expr.rast
index a1efb3a9fb2..8498724b9ef 100644
--- a/crates/parser/test_data/parser/inline/ok/0011_field_expr.rast
+++ b/crates/parser/test_data/parser/inline/ok/0011_field_expr.rast
@@ -41,39 +41,6 @@ SOURCE_FILE
           SEMICOLON ";"
         WHITESPACE "\n    "
         EXPR_STMT
-          FIELD_EXPR
-            FIELD_EXPR
-              PATH_EXPR
-                PATH
-                  PATH_SEGMENT
-                    NAME_REF
-                      IDENT "x"
-              DOT "."
-              NAME_REF
-                FLOAT_NUMBER_PART "0"
-            DOT "."
-            WHITESPACE " "
-            NAME_REF
-              IDENT "bar"
-          SEMICOLON ";"
-        WHITESPACE "\n    "
-        EXPR_STMT
-          FIELD_EXPR
-            FIELD_EXPR
-              PATH_EXPR
-                PATH
-                  PATH_SEGMENT
-                    NAME_REF
-                      IDENT "x"
-              DOT "."
-              NAME_REF
-                FLOAT_NUMBER_PART "0"
-            DOT "."
-            NAME_REF
-              FLOAT_NUMBER_PART "1"
-          SEMICOLON ";"
-        WHITESPACE "\n    "
-        EXPR_STMT
           CALL_EXPR
             FIELD_EXPR
               PATH_EXPR
diff --git a/crates/parser/test_data/parser/inline/ok/0011_field_expr.rs b/crates/parser/test_data/parser/inline/ok/0011_field_expr.rs
index 551b1ecaf02..b8da2ddc309 100644
--- a/crates/parser/test_data/parser/inline/ok/0011_field_expr.rs
+++ b/crates/parser/test_data/parser/inline/ok/0011_field_expr.rs
@@ -1,7 +1,5 @@
 fn foo() {
     x.foo;
     x.0.bar;
-    x.0. bar;
-    x.0.1;
     x.0();
 }
diff --git a/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast b/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast
index b3236976b98..403c265ea35 100644
--- a/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast
+++ b/crates/parser/test_data/parser/inline/ok/0085_expr_literals.rast
@@ -57,10 +57,7 @@ SOURCE_FILE
           EQ "="
           WHITESPACE " "
           LITERAL
-            FLOAT_LITERAL
-              FLOAT_NUMBER_START_2 "2"
-              DOT "."
-              FLOAT_NUMBER_PART "0"
+            FLOAT_NUMBER "2.0"
           SEMICOLON ";"
         WHITESPACE "\n    "
         LET_STMT
diff --git a/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast b/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast
index 69f1055b7e3..dcbcfe1231e 100644
--- a/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast
+++ b/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast
@@ -58,32 +58,6 @@ SOURCE_FILE
               COMMA ","
               R_PAREN ")"
           SEMICOLON ";"
-        WHITESPACE "\n\n    "
-        EXPR_STMT
-          METHOD_CALL_EXPR
-            LITERAL
-              FLOAT_LITERAL
-                FLOAT_NUMBER_START_0 "0e0"
-            DOT "."
-            NAME_REF
-              IDENT "sin"
-            ARG_LIST
-              L_PAREN "("
-              R_PAREN ")"
-          SEMICOLON ";"
-        WHITESPACE "\n    "
-        EXPR_STMT
-          METHOD_CALL_EXPR
-            LITERAL
-              FLOAT_LITERAL
-                FLOAT_NUMBER_START_0 "0e0f32"
-            DOT "."
-            NAME_REF
-              IDENT "sin"
-            ARG_LIST
-              L_PAREN "("
-              R_PAREN ")"
-          SEMICOLON ";"
         WHITESPACE "\n"
         R_CURLY "}"
   WHITESPACE "\n"
diff --git a/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs b/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs
index 3e5d464e238..1a3aa35ae8e 100644
--- a/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs
+++ b/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs
@@ -1,7 +1,4 @@
 fn foo() {
     x.foo();
     y.bar::<T>(1, 2,);
-
-    0e0.sin();
-    0e0f32.sin();
 }
diff --git a/crates/parser/test_data/parser/inline/ok/0201_float_literal.rast b/crates/parser/test_data/parser/inline/ok/0201_float_literal.rast
deleted file mode 100644
index df4fb6eb417..00000000000
--- a/crates/parser/test_data/parser/inline/ok/0201_float_literal.rast
+++ /dev/null
@@ -1,51 +0,0 @@
-SOURCE_FILE
-  FN
-    FN_KW "fn"
-    WHITESPACE " "
-    NAME
-      IDENT "f"
-    PARAM_LIST
-      L_PAREN "("
-      R_PAREN ")"
-    WHITESPACE " "
-    BLOCK_EXPR
-      STMT_LIST
-        L_CURLY "{"
-        WHITESPACE "\n    "
-        EXPR_STMT
-          LITERAL
-            FLOAT_LITERAL
-              FLOAT_NUMBER_START_2 "0"
-              DOT "."
-              FLOAT_NUMBER_PART "0"
-          SEMICOLON ";"
-        WHITESPACE "\n    "
-        EXPR_STMT
-          LITERAL
-            FLOAT_LITERAL
-              FLOAT_NUMBER_START_1 "1"
-              DOT "."
-          SEMICOLON ";"
-        WHITESPACE "\n    "
-        EXPR_STMT
-          LITERAL
-            FLOAT_LITERAL
-              FLOAT_NUMBER_START_0 "0e0"
-          SEMICOLON ";"
-        WHITESPACE "\n    "
-        EXPR_STMT
-          LITERAL
-            FLOAT_LITERAL
-              FLOAT_NUMBER_START_0 "0e0f32"
-          SEMICOLON ";"
-        WHITESPACE "\n    "
-        EXPR_STMT
-          LITERAL
-            FLOAT_LITERAL
-              FLOAT_NUMBER_START_2 "1"
-              DOT "."
-              FLOAT_NUMBER_PART "23f64"
-          SEMICOLON ";"
-        WHITESPACE "\n"
-        R_CURLY "}"
-  WHITESPACE "\n"
diff --git a/crates/parser/test_data/parser/inline/ok/0201_float_literal.rs b/crates/parser/test_data/parser/inline/ok/0201_float_literal.rs
deleted file mode 100644
index 0d51ec1252f..00000000000
--- a/crates/parser/test_data/parser/inline/ok/0201_float_literal.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-fn f() {
-    0.0;
-    1.;
-    0e0;
-    0e0f32;
-    1.23f64;
-}
diff --git a/crates/parser/test_data/parser/ok/0056_neq_in_type.rast b/crates/parser/test_data/parser/ok/0056_neq_in_type.rast
index b2f66e2f1e7..55ce31275fb 100644
--- a/crates/parser/test_data/parser/ok/0056_neq_in_type.rast
+++ b/crates/parser/test_data/parser/ok/0056_neq_in_type.rast
@@ -19,10 +19,7 @@ SOURCE_FILE
             CAST_EXPR
               METHOD_CALL_EXPR
                 LITERAL
-                  FLOAT_LITERAL
-                    FLOAT_NUMBER_START_2 "1"
-                    DOT "."
-                    FLOAT_NUMBER_PART "0f32"
+                  FLOAT_NUMBER "1.0f32"
                 DOT "."
                 NAME_REF
                   IDENT "floor"
@@ -43,10 +40,7 @@ SOURCE_FILE
             CAST_EXPR
               METHOD_CALL_EXPR
                 LITERAL
-                  FLOAT_LITERAL
-                    FLOAT_NUMBER_START_2 "1"
-                    DOT "."
-                    FLOAT_NUMBER_PART "0f32"
+                  FLOAT_NUMBER "1.0f32"
                 DOT "."
                 NAME_REF
                   IDENT "floor"
diff --git a/crates/syntax/rust.ungram b/crates/syntax/rust.ungram
index 85270dee624..62aa4783994 100644
--- a/crates/syntax/rust.ungram
+++ b/crates/syntax/rust.ungram
@@ -365,20 +365,13 @@ MacroExpr =
 
 Literal =
   Attr* value:(
-    'int_number' | FloatLiteral
+    'int_number' | 'float_number'
   | 'string' | 'raw_string'
   | 'byte_string' | 'raw_byte_string'
   | 'true' | 'false'
   | 'char' | 'byte'
   )
 
-FloatLiteral =
-  'float_number_start_0'?
-  'float_number_start_1'?
-  'float_number_start_2'?
-  '.'?
-  'float_number_part'?
-
 PathExpr =
   Attr* Path
 
diff --git a/crates/syntax/src/ast/expr_ext.rs b/crates/syntax/src/ast/expr_ext.rs
index 11d81d47783..17785152bc5 100644
--- a/crates/syntax/src/ast/expr_ext.rs
+++ b/crates/syntax/src/ast/expr_ext.rs
@@ -8,7 +8,7 @@ use crate::{
         operators::{ArithOp, BinaryOp, CmpOp, LogicOp, Ordering, RangeOp, UnaryOp},
         support, AstChildren, AstNode,
     },
-    AstToken, SyntaxElement,
+    AstToken,
     SyntaxKind::*,
     SyntaxNode, SyntaxToken, T,
 };
@@ -282,32 +282,30 @@ pub enum LiteralKind {
     String(ast::String),
     ByteString(ast::ByteString),
     IntNumber(ast::IntNumber),
-    FloatNumber(ast::FloatLiteral),
+    FloatNumber(ast::FloatNumber),
     Char(ast::Char),
     Byte(ast::Byte),
     Bool(bool),
 }
 
 impl ast::Literal {
-    pub fn value(&self) -> SyntaxElement {
+    pub fn token(&self) -> SyntaxToken {
         self.syntax()
             .children_with_tokens()
             .find(|e| e.kind() != ATTR && !e.kind().is_trivia())
+            .and_then(|e| e.into_token())
             .unwrap()
     }
+
     pub fn kind(&self) -> LiteralKind {
-        let token = match self.value() {
-            rowan::NodeOrToken::Node(node) => {
-                return LiteralKind::FloatNumber(
-                    ast::FloatLiteral::cast(node).expect("unreachable"),
-                );
-            }
-            rowan::NodeOrToken::Token(token) => token,
-        };
+        let token = self.token();
 
         if let Some(t) = ast::IntNumber::cast(token.clone()) {
             return LiteralKind::IntNumber(t);
         }
+        if let Some(t) = ast::FloatNumber::cast(token.clone()) {
+            return LiteralKind::FloatNumber(t);
+        }
         if let Some(t) = ast::String::cast(token.clone()) {
             return LiteralKind::String(t);
         }
@@ -327,26 +325,6 @@ impl ast::Literal {
             _ => unreachable!(),
         }
     }
-
-    pub fn as_string(&self) -> Option<ast::String> {
-        match self.kind() {
-            LiteralKind::String(it) => Some(it),
-            _ => None,
-        }
-    }
-
-    pub fn as_byte_string(&self) -> Option<ast::ByteString> {
-        match self.kind() {
-            LiteralKind::ByteString(it) => Some(it),
-            _ => None,
-        }
-    }
-}
-
-impl ast::FloatLiteral {
-    pub fn suffix(&self) -> Option<String> {
-        ast::FloatNumberPart::cast(self.syntax().last_token()?)?.suffix().map(|s| s.to_string())
-    }
 }
 
 pub enum BlockModifier {
@@ -386,7 +364,7 @@ impl ast::BlockExpr {
 fn test_literal_with_attr() {
     let parse = ast::SourceFile::parse(r#"const _: &str = { #[attr] "Hello" };"#);
     let lit = parse.tree().syntax().descendants().find_map(ast::Literal::cast).unwrap();
-    assert_eq!(lit.value().to_string(), r#""Hello""#);
+    assert_eq!(lit.token().text(), r#""Hello""#);
 }
 
 impl ast::RecordExprField {
diff --git a/crates/syntax/src/ast/generated/nodes.rs b/crates/syntax/src/ast/generated/nodes.rs
index 9d5af8e63ca..cf90ba64cff 100644
--- a/crates/syntax/src/ast/generated/nodes.rs
+++ b/crates/syntax/src/ast/generated/nodes.rs
@@ -1086,26 +1086,6 @@ impl UnderscoreExpr {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct FloatLiteral {
-    pub(crate) syntax: SyntaxNode,
-}
-impl FloatLiteral {
-    pub fn float_number_start_0_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![float_number_start_0])
-    }
-    pub fn float_number_start_1_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![float_number_start_1])
-    }
-    pub fn float_number_start_2_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![float_number_start_2])
-    }
-    pub fn dot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![.]) }
-    pub fn float_number_part_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![float_number_part])
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct StmtList {
     pub(crate) syntax: SyntaxNode,
 }
@@ -2739,17 +2719,6 @@ impl AstNode for UnderscoreExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for FloatLiteral {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == FLOAT_LITERAL }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
-        }
-    }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
-}
 impl AstNode for StmtList {
     fn can_cast(kind: SyntaxKind) -> bool { kind == STMT_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -4639,11 +4608,6 @@ impl std::fmt::Display for UnderscoreExpr {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for FloatLiteral {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        std::fmt::Display::fmt(self.syntax(), f)
-    }
-}
 impl std::fmt::Display for StmtList {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
diff --git a/crates/syntax/src/ast/generated/tokens.rs b/crates/syntax/src/ast/generated/tokens.rs
index 1e1a55e3269..a3209c5abd2 100644
--- a/crates/syntax/src/ast/generated/tokens.rs
+++ b/crates/syntax/src/ast/generated/tokens.rs
@@ -112,16 +112,16 @@ impl AstToken for IntNumber {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct FloatNumberPart {
+pub struct FloatNumber {
     pub(crate) syntax: SyntaxToken,
 }
-impl std::fmt::Display for FloatNumberPart {
+impl std::fmt::Display for FloatNumber {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(&self.syntax, f)
     }
 }
-impl AstToken for FloatNumberPart {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == FLOAT_NUMBER_PART }
+impl AstToken for FloatNumber {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == FLOAT_NUMBER }
     fn cast(syntax: SyntaxToken) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
diff --git a/crates/syntax/src/ast/make.rs b/crates/syntax/src/ast/make.rs
index 846f4f3c71a..5908dda8e63 100644
--- a/crates/syntax/src/ast/make.rs
+++ b/crates/syntax/src/ast/make.rs
@@ -799,11 +799,6 @@ pub fn struct_(
     ))
 }
 
-pub fn literal(text: &str) -> ast::Literal {
-    assert_eq!(text.trim(), text);
-    ast_from_text(&format!("fn f() {{ let _ = {}; }}", text))
-}
-
 #[track_caller]
 fn ast_from_text<N: AstNode>(text: &str) -> N {
     let parse = SourceFile::parse(text);
@@ -832,7 +827,7 @@ pub fn token(kind: SyntaxKind) -> SyntaxToken {
 pub mod tokens {
     use once_cell::sync::Lazy;
 
-    use crate::{AstNode, Parse, SourceFile, SyntaxKind::*, SyntaxToken};
+    use crate::{ast, AstNode, Parse, SourceFile, SyntaxKind::*, SyntaxToken};
 
     pub(super) static SOURCE_FILE: Lazy<Parse<SourceFile>> = Lazy::new(|| {
         SourceFile::parse(
@@ -863,6 +858,12 @@ pub mod tokens {
         sf.syntax().first_child_or_token().unwrap().into_token().unwrap()
     }
 
+    pub fn literal(text: &str) -> SyntaxToken {
+        assert_eq!(text.trim(), text);
+        let lit: ast::Literal = super::ast_from_text(&format!("fn f() {{ let _ = {}; }}", text));
+        lit.syntax().first_child_or_token().unwrap().into_token().unwrap()
+    }
+
     pub fn single_newline() -> SyntaxToken {
         let res = SOURCE_FILE
             .tree()
diff --git a/crates/syntax/src/ast/node_ext.rs b/crates/syntax/src/ast/node_ext.rs
index 5b19b5ed2c2..f2153ca9211 100644
--- a/crates/syntax/src/ast/node_ext.rs
+++ b/crates/syntax/src/ast/node_ext.rs
@@ -555,9 +555,7 @@ impl ast::FieldExpr {
         self.syntax
             .children_with_tokens()
             // FIXME: Accepting floats here to reject them in validation later
-            .find(|c| {
-                c.kind() == SyntaxKind::INT_NUMBER || c.kind() == SyntaxKind::FLOAT_NUMBER_PART
-            })
+            .find(|c| c.kind() == SyntaxKind::INT_NUMBER || c.kind() == SyntaxKind::FLOAT_NUMBER)
             .as_ref()
             .and_then(SyntaxElement::as_token)
             .cloned()
diff --git a/crates/syntax/src/ast/token_ext.rs b/crates/syntax/src/ast/token_ext.rs
index 5f2e7231d93..4b6dc236b53 100644
--- a/crates/syntax/src/ast/token_ext.rs
+++ b/crates/syntax/src/ast/token_ext.rs
@@ -321,7 +321,7 @@ impl ast::IntNumber {
     }
 }
 
-impl ast::FloatNumberPart {
+impl ast::FloatNumber {
     pub fn suffix(&self) -> Option<&str> {
         let text = self.text();
         let mut indices = text.char_indices();
@@ -355,24 +355,14 @@ impl Radix {
 
 #[cfg(test)]
 mod tests {
-    use crate::ast::{self, make};
+    use crate::ast::{self, make, FloatNumber, IntNumber};
 
     fn check_float_suffix<'a>(lit: &str, expected: impl Into<Option<&'a str>>) {
-        let suffix = match make::literal(lit).kind() {
-            ast::LiteralKind::FloatNumber(f) => f.suffix(),
-            // `1f32` lexes as an INT_NUMBER
-            ast::LiteralKind::IntNumber(i) => i.suffix().map(|s| s.to_string()),
-            e => unreachable!("{e:?}"),
-        };
-        assert_eq!(suffix.as_deref(), expected.into());
+        assert_eq!(FloatNumber { syntax: make::tokens::literal(lit) }.suffix(), expected.into());
     }
 
     fn check_int_suffix<'a>(lit: &str, expected: impl Into<Option<&'a str>>) {
-        let i = match make::literal(lit).kind() {
-            ast::LiteralKind::IntNumber(i) => i,
-            _ => unreachable!(),
-        };
-        assert_eq!(i.suffix(), expected.into());
+        assert_eq!(IntNumber { syntax: make::tokens::literal(lit) }.suffix(), expected.into());
     }
 
     #[test]
@@ -400,11 +390,12 @@ mod tests {
     }
 
     fn check_string_value<'a>(lit: &str, expected: impl Into<Option<&'a str>>) {
-        let s = match make::literal(&format!("\"{}\"", lit)).kind() {
-            ast::LiteralKind::String(s) => s,
-            _ => unreachable!(),
-        };
-        assert_eq!(s.value().as_deref(), expected.into());
+        assert_eq!(
+            ast::String { syntax: make::tokens::literal(&format!("\"{}\"", lit)) }
+                .value()
+                .as_deref(),
+            expected.into()
+        );
     }
 
     #[test]
diff --git a/crates/syntax/src/tests/ast_src.rs b/crates/syntax/src/tests/ast_src.rs
index f5a78e4119d..2f6932a1add 100644
--- a/crates/syntax/src/tests/ast_src.rs
+++ b/crates/syntax/src/tests/ast_src.rs
@@ -71,17 +71,7 @@ pub(crate) const KINDS_SRC: KindsSrc = KindsSrc {
         "super", "trait", "true", "try", "type", "unsafe", "use", "where", "while", "yield",
     ],
     contextual_keywords: &["auto", "default", "existential", "union", "raw", "macro_rules"],
-    literals: &[
-        "INT_NUMBER",
-        "FLOAT_NUMBER_START_0",
-        "FLOAT_NUMBER_START_1",
-        "FLOAT_NUMBER_START_2",
-        "FLOAT_NUMBER_PART",
-        "CHAR",
-        "BYTE",
-        "STRING",
-        "BYTE_STRING",
-    ],
+    literals: &["INT_NUMBER", "FLOAT_NUMBER", "CHAR", "BYTE", "STRING", "BYTE_STRING"],
     tokens: &["ERROR", "IDENT", "WHITESPACE", "LIFETIME_IDENT", "COMMENT", "SHEBANG"],
     nodes: &[
         "SOURCE_FILE",
@@ -193,7 +183,6 @@ pub(crate) const KINDS_SRC: KindsSrc = KindsSrc {
         "PATH",
         "PATH_SEGMENT",
         "LITERAL",
-        "FLOAT_LITERAL",
         "RENAME",
         "VISIBILITY",
         "WHERE_CLAUSE",
diff --git a/crates/syntax/src/tests/sourcegen_ast.rs b/crates/syntax/src/tests/sourcegen_ast.rs
index 33bf2c0cbad..4cfb8075cb1 100644
--- a/crates/syntax/src/tests/sourcegen_ast.rs
+++ b/crates/syntax/src/tests/sourcegen_ast.rs
@@ -462,10 +462,6 @@ fn generate_syntax_kinds(grammar: KindsSrc<'_>) -> String {
             [lifetime_ident] => { $crate::SyntaxKind::LIFETIME_IDENT };
             [ident] => { $crate::SyntaxKind::IDENT };
             [shebang] => { $crate::SyntaxKind::SHEBANG };
-            [float_number_part] => { $crate::SyntaxKind::FLOAT_NUMBER_PART };
-            [float_number_start_0] => { $crate::SyntaxKind::FLOAT_NUMBER_START_0 };
-            [float_number_start_1] => { $crate::SyntaxKind::FLOAT_NUMBER_START_1 };
-            [float_number_start_2] => { $crate::SyntaxKind::FLOAT_NUMBER_START_2 };
         }
         pub use T;
     };
@@ -589,7 +585,7 @@ impl Field {
 
 fn lower(grammar: &Grammar) -> AstSrc {
     let mut res = AstSrc {
-        tokens: "Whitespace Comment String ByteString IntNumber FloatNumberPart Char Byte Ident"
+        tokens: "Whitespace Comment String ByteString IntNumber FloatNumber Char Byte Ident"
             .split_ascii_whitespace()
             .map(|it| it.to_string())
             .collect::<Vec<_>>(),
diff --git a/crates/syntax/src/validation.rs b/crates/syntax/src/validation.rs
index 3edca3eb8f9..c2c2c82e11f 100644
--- a/crates/syntax/src/validation.rs
+++ b/crates/syntax/src/validation.rs
@@ -119,15 +119,8 @@ fn validate_literal(literal: ast::Literal, acc: &mut Vec<SyntaxError>) {
         text.rfind(end_delimiter).and_then(|end| text.get(prefix_len..end))
     }
 
-    let token = literal.value();
-    let text;
-    let text = match &token {
-        rowan::NodeOrToken::Node(node) => {
-            text = node.text().to_string();
-            &*text
-        }
-        rowan::NodeOrToken::Token(token) => token.text(),
-    };
+    let token = literal.token();
+    let text = token.text();
 
     // FIXME: lift this lambda refactor to `fn` (https://github.com/rust-analyzer/rust-analyzer/pull/2834#discussion_r366199205)
     let mut push_err = |prefix_len, (off, err): (usize, unescape::EscapeError)| {