Lexing inside comments

[Hels15]

We lex down some stuff inside comments that we should not:

/*
# 32-bit float operations
c_float_f32_add: f32 = 32.3 + 5.5;
c_float_f32_sub: f32 = 32.3 - 3.3;
c_float_f32_mul: f32 = 32.3 * 2.0;
c_float_f32_div: f32 = 32.3 / 2.0;
c_float_f32_paren: f32 = (32.3 + 2.2) * 3.1 - 1.1;

printf(c_float_f32_add, "\n"); # 37.8
printf(c_float_f32_sub, "\n"); # 29.0
printf(c_float_f32_mul, "\n"); # 64.6
printf(c_float_f32_div, "\n"); # 16.15
printf(c_float_f32_paren, "\n"); # 108.69
*/

# 64-bit integer operations
b_int_i64_add: int64 = 45 + 5;
b_int_i64_sub: int64 = 45 - 3;
b_int_i64_mul: int64 = 45 * 2;
b_int_i64_div: int64 = 45 / 2;
b_int_i64_paren: int64 = (45 + 2) * 3 - 1;

printf(b_int_i64_add, "\n"); # 50
printf(b_int_i64_sub, "\n"); # 42
printf(b_int_i64_mul, "\n"); # 90
printf(b_int_i64_div, "\n"); # 22.5
printf(b_int_i64_paren, "\n"); # 140

Value: *
Kind: DONSUS_STAR
Length: 1
Line: 1

Value: 2.0
Kind: DONSUS_FLOAT
Length: 0
Line: 1

Value: ;
Kind: DONSUS_SEMICOLON
Length: 1
Line: 1

Value: 
Kind: DONSUS_NEWLINE
Length: 1
Line: 2

Value: c_float_f32_div
Kind: DONSUS_NAME
Length: 15
Line: 2

Value: :
Kind: DONSUS_COLO
Length: 1
Line: 2