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Revert "Refine examples."

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This reverts commit 146129279c.
This commit is contained in:
Stephen Chung 2022-01-16 22:50:39 +08:00
parent 146129279c
commit 5935a88958
6 changed files with 43 additions and 32 deletions
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10
examples/arrays_and_structs.rs
View File

@ -1,6 +1,3 @@
#![cfg(not(feature = "no_index"))]
#![cfg(not(feature = "no_object"))]
use rhai::{Engine, EvalAltResult};
#[derive(Debug, Clone)]
@ -17,6 +14,8 @@ impl TestStruct {
}
}
#[cfg(not(feature = "no_index"))]
#[cfg(not(feature = "no_object"))]
fn main() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
@ -47,3 +46,8 @@ fn main() -> Result<(), Box<EvalAltResult>> {
Ok(())
}
#[cfg(any(feature = "no_index", feature = "no_object"))]
fn main() {
panic!("This example does not run under 'no_index' or 'no_object'.")
}

8
examples/custom_types_and_methods.rs
View File

@ -1,5 +1,3 @@
#![cfg(not(feature = "no_object"))]
use rhai::{Engine, EvalAltResult};
#[derive(Debug, Clone)]
@ -17,6 +15,7 @@ impl TestStruct {
}
}
#[cfg(not(feature = "no_object"))]
fn main() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
@ -37,3 +36,8 @@ fn main() -> Result<(), Box<EvalAltResult>> {
Ok(())
}
#[cfg(feature = "no_object")]
fn main() {
panic!("This example does not run under 'no_object'.");
}

23
examples/serde.rs
View File

@ -1,6 +1,19 @@
#![cfg(feature = "serde")]
#![cfg(not(feature = "no_object"))]
#[cfg(any(not(feature = "serde"), feature = "no_object"))]
fn main() {
println!("This example requires the 'serde' feature to run.");
println!("Try: cargo run --features serde --example serde");
}
#[cfg(feature = "serde")]
#[cfg(not(feature = "no_object"))]
fn main() {
example::ser();
println!();
example::de();
}
#[cfg(feature = "serde")]
#[cfg(not(feature = "no_object"))]
mod example {
use rhai::serde::{from_dynamic, to_dynamic};
use rhai::{Dynamic, Engine, Map};
@ -75,9 +88,3 @@ mod example {
println!("Deserialized to struct: {:#?}", x);
}
}
fn main() {
example::ser();
println!();
example::de();
}

6
examples/strings.rs
View File

@ -1,7 +1,5 @@
///! This example registers a variety of functions that operate on strings.
///! Remember to use `ImmutableString` or `&str` instead of `String` as parameters.
#![cfg(not(feature = "no_object"))]
use rhai::{Engine, EvalAltResult, ImmutableString, Scope};
use std::io::{stdin, stdout, Write};
@ -66,10 +64,10 @@ fn main() -> Result<(), Box<EvalAltResult>> {
engine.run_with_scope(
&mut scope,
r#"
display("Length", x.len);
display("Length", x.len());
x.trim();
display("Trimmed", x);
display("Trimmed Length", x.len);
display("Trimmed Length", x.len());
display("Index of \"!!!\"", x.index_of("!!!"));
"#,
)?;

16
src/eval/chaining.rs
View File

@ -1,7 +1,7 @@
//! Types to support chaining operations (i.e. indexing and dotting).
#![cfg(any(not(feature = "no_index"), not(feature = "no_object")))]
use super::{EvalState, GlobalRuntimeState, Target};
use super::{calc_index, EvalState, GlobalRuntimeState, Target};
use crate::ast::{Expr, OpAssignment};
use crate::types::dynamic::Union;
use crate::{Dynamic, Engine, Module, Position, RhaiResult, RhaiResultOf, Scope, StaticVec, ERR};
@ -790,7 +790,7 @@ impl Engine {
.as_int()
.map_err(|typ| self.make_type_mismatch_err::<crate::INT>(typ, pos))?;
let len = arr.len();
let arr_idx = super::calc_index(len, index, true, || {
let arr_idx = calc_index(len, index, true, || {
ERR::ErrorArrayBounds(len, index, pos).into()
})?;
@ -804,7 +804,7 @@ impl Engine {
.as_int()
.map_err(|typ| self.make_type_mismatch_err::<crate::INT>(typ, pos))?;
let len = arr.len();
let arr_idx = super::calc_index(len, index, true, || {
let arr_idx = calc_index(len, index, true, || {
ERR::ErrorArrayBounds(len, index, pos).into()
})?;
@ -845,10 +845,10 @@ impl Engine {
let start = range.start;
let end = range.end;
let start = super::calc_index(BITS, start, false, || {
let start = calc_index(BITS, start, false, || {
ERR::ErrorBitFieldBounds(BITS, start, pos).into()
})?;
let end = super::calc_index(BITS, end, false, || {
let end = calc_index(BITS, end, false, || {
ERR::ErrorBitFieldBounds(BITS, end, pos).into()
})?;
@ -870,10 +870,10 @@ impl Engine {
let start = *range.start();
let end = *range.end();
let start = super::calc_index(BITS, start, false, || {
let start = calc_index(BITS, start, false, || {
ERR::ErrorBitFieldBounds(BITS, start, pos).into()
})?;
let end = super::calc_index(BITS, end, false, || {
let end = calc_index(BITS, end, false, || {
ERR::ErrorBitFieldBounds(BITS, end, pos).into()
})?;
@ -914,7 +914,7 @@ impl Engine {
const BITS: usize = std::mem::size_of::<crate::INT>() * 8;
let bit = super::calc_index(BITS, index, true, || {
let bit = calc_index(BITS, index, true, || {
ERR::ErrorBitFieldBounds(BITS, index, pos).into()
})?;

12
src/eval/target.rs
View File

@ -1,7 +1,7 @@
//! Type to hold a mutable reference to the target of an evaluation.
use crate::types::dynamic::Variant;
use crate::{Dynamic, RhaiResultOf};
use crate::{Dynamic, RhaiResultOf, INT};
use std::ops::{Deref, DerefMut};
#[cfg(feature = "no_std")]
use std::prelude::v1::*;
@ -11,9 +11,8 @@ use std::prelude::v1::*;
// Negative starting positions count from the end.
//
// Values going over bounds are limited to the actual length.
#[inline]
#[allow(dead_code)]
pub fn calc_offset_len(length: usize, start: crate::INT, len: crate::INT) -> (usize, usize) {
#[inline(always)]
pub fn calc_offset_len(length: usize, start: INT, len: INT) -> (usize, usize) {
let start = if start < 0 {
start.checked_abs().map_or(0, |positive_start| {
length - usize::min(positive_start as usize, length)
@ -40,11 +39,10 @@ pub fn calc_offset_len(length: usize, start: crate::INT, len: crate::INT) -> (us
// Negative starting positions count from the end.
//
// Values going over bounds call the provided closure to return a default value or an error.
#[inline]
#[allow(dead_code)]
#[inline(always)]
pub fn calc_index<E>(
length: usize,
start: crate::INT,
start: INT,
negative_count_from_end: bool,
err: impl Fn() -> Result<usize, E>,
) -> Result<usize, E> {