fix: the panic output information of "invalid number" is formatted us…

…ing PanicInfo. (#51)

1. call the method "struct_token_error" in "parse_num_expr" to format the panic message.

kclvm/parser/src/parser/expr.rs

@@ -1988,15 +1988,26 @@ impl<'a> Parser<'a> {
 
         let (binary_suffix, value) = match lk.kind {
             token::LitKind::Integer => {
-                let value = bytes_to_int(lk.symbol.as_str().as_bytes(), 0).unwrap();
-
+                let result = bytes_to_int(lk.symbol.as_str().as_bytes(), 0);
+                let value = match result {
+                    Some(value) => value,
+                    None => {
+                        self.sess.struct_token_error(&[token::LitKind::Integer.into()], token);
+                    }
+                };
                 match lk.suffix {
                     Some(suffix) => (suffix.as_str().try_into().ok(), NumberLitValue::Int(value)),
                     None => (None, NumberLitValue::Int(value)),
                 }
             }
             token::LitKind::Float => {
-                let value = lk.symbol.as_str().parse().unwrap();
+                let result = lk.symbol.as_str().parse();
+                let value = match result {
+                    Ok(value) => value,
+                    _ => {
+                        self.sess.struct_token_error(&[token::LitKind::Float.into()], token);
+                    }
+                };
                 (None, NumberLitValue::Float(value))
             }
             _ => self.sess.struct_token_error(

kclvm/parser/src/tests.rs

@@ -1,4 +1,4 @@
-use std::panic::catch_unwind;
+use std::panic::{catch_unwind, set_hook};
 
 use crate::*;
 
@@ -89,18 +89,19 @@ pub fn check_result_panic_info(result: Result<(), Box<dyn Any + Send>>){
     };
 }
 
-#[test]
-pub fn test_parse_expr_invalid_binary_expr() {
-    let result = catch_unwind(|| {
-        parse_expr("fs1_i1re1~s");
-    });
-    check_result_panic_info(result);
-}
+const PARSE_EXPR_INVALID_TEST_CASES: &[&'static str; 3] = &[
+    "fs1_i1re1~s",
+    "fh==-h==-",
+    "8_________i"
+];
 
 #[test]
-pub fn test_parse_expr_invalid_arr_out_of_bound_for_token_minus(){
-    let result = catch_unwind(|| {
-        parse_expr("fh==-h==-");
-    });
-    check_result_panic_info(result);
+pub fn test_parse_expr_invalid() {
+    for case in PARSE_EXPR_INVALID_TEST_CASES{
+        set_hook(Box::new(|_| {}));
+        let result = catch_unwind(|| {
+            parse_expr(&case);
+        });
+        check_result_panic_info(result);
+    }
 }