kill old lexer

1 files changed, 0 insertions, 66 deletions

diff --git a/crates/ra_syntax/src/parsing/lexer/numbers.rs b/crates/ra_syntax/src/parsing/lexer/numbers.rs
deleted file mode 100644
index e53ae231b..000000000
--- a/crates/ra_syntax/src/parsing/lexer/numbers.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-use crate::parsing::lexer::{classes::*, ptr::Ptr};
-
-use crate::SyntaxKind::{self, *};
-
-pub(crate) fn scan_number(c: char, ptr: &mut Ptr) -> SyntaxKind {
-    if c == '0' {
-        match ptr.current().unwrap_or('\0') {
-            'b' | 'o' => {
-                ptr.bump();
-                scan_digits(ptr, false);
-            }
-            'x' => {
-                ptr.bump();
-                scan_digits(ptr, true);
-            }
-            '0'..='9' | '_' | '.' | 'e' | 'E' => {
-                scan_digits(ptr, true);
-            }
-            _ => return INT_NUMBER,
-        }
-    } else {
-        scan_digits(ptr, false);
-    }
-
-    // might be a float, but don't be greedy if this is actually an
-    // integer literal followed by field/method access or a range pattern
-    // (`0..2` and `12.foo()`)
-    if ptr.at('.') && !(ptr.at_str("..") || ptr.nth_is_p(1, is_ident_start)) {
-        // might have stuff after the ., and if it does, it needs to start
-        // with a number
-        ptr.bump();
-        scan_digits(ptr, false);
-        scan_float_exponent(ptr);
-        return FLOAT_NUMBER;
-    }
-    // it might be a float if it has an exponent
-    if ptr.at('e') || ptr.at('E') {
-        scan_float_exponent(ptr);
-        return FLOAT_NUMBER;
-    }
-    INT_NUMBER
-}
-
-fn scan_digits(ptr: &mut Ptr, allow_hex: bool) {
-    while let Some(c) = ptr.current() {
-        match c {
-            '_' | '0'..='9' => {
-                ptr.bump();
-            }
-            'a'..='f' | 'A'..='F' if allow_hex => {
-                ptr.bump();
-            }
-            _ => return,
-        }
-    }
-}
-
-fn scan_float_exponent(ptr: &mut Ptr) {
-    if ptr.at('e') || ptr.at('E') {
-        ptr.bump();
-        if ptr.at('-') || ptr.at('+') {
-            ptr.bump();
-        }
-        scan_digits(ptr, false);
-    }
-}