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Stephen Chung 2020-06-27 10:43:57 +08:00
parent 14746f94ca
commit d509006264
17 changed files with 39 additions and 38 deletions
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6
doc/src/about/features.md
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@ -8,7 +8,7 @@ Easy
* Easy-to-use language similar to JavaScript+Rust with dynamic typing.
* Tight integration with native Rust [functions]({{rootUrl}}/rust/functions.md) and [types]({{rootUrl}}/rust/custom.md), including [getters/setters]({{rootUrl}}/rust/getters-setters.md), [methods]({{rootUrl}}/rust/custom.md) and [indexers]({{rootUrl}}/rust/indexers.md).
* Tight integration with native Rust [functions] and [types][custom types], including [getters/setters]({{rootUrl}}/rust/getters-setters.md), [methods][custom type] and [indexers]({{rootUrl}}/rust/indexers.md).
* Freely pass Rust variables/constants into a script via an external [`Scope`].
@ -24,7 +24,7 @@ Fast
* Fairly efficient evaluation (1 million iterations in 0.25 sec on a single core, 2.3 GHz Linux VM).
* Scripts are [optimized]({{rootUrl}}/engine/optimize.md) (useful for template-based machine-generated scripts) for repeated evaluations.
* Scripts are [optimized][script optimization] (useful for template-based machine-generated scripts) for repeated evaluations.
Dynamic
-------
@ -50,7 +50,7 @@ Rugged
* Sand-boxed - the scripting [`Engine`], if declared immutable, cannot mutate the containing environment unless explicitly permitted (e.g. via a `RefCell`).
* Protected against malicious attacks (such as [stack-overflow]({{rootUrl}}/safety/max-call-stack.md), [over-sized data]({{rootUrl}}/safety/max-string-size.md), and [runaway scripts]({{rootUrl}}/safety/max-operations.md) etc.) that may come from untrusted third-party user-land scripts.
* Protected against malicious attacks (such as [stack-overflow][maximum call stack depth], [over-sized data][maximum length of strings], and [runaway scripts][maximum number of operations] etc.) that may come from untrusted third-party user-land scripts.
* Track script evaluation [progress] and manually terminate a script run.

2
doc/src/language/arrays.md
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@ -22,7 +22,7 @@ The maximum allowed size of an array can be controlled via `Engine::set_max_arra
Built-in Functions
-----------------
The following methods (mostly defined in the [`BasicArrayPackage`]({{rootUrl}}/rust/packages.md) but excluded if using a [raw `Engine`]) operate on arrays:
The following methods (mostly defined in the [`BasicArrayPackage`][packages] but excluded if using a [raw `Engine`]) operate on arrays:
| Function | Parameter(s) | Description |
| ------------------------- | --------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |

2
doc/src/language/eval.md
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@ -82,7 +82,7 @@ engine.register_result_fn("eval", alt_eval);
`EvalPackage`
-------------
There is even a package named [`EvalPackage`]({{rootUrl}}/rust/packages.md) which implements the disabling override:
There is even a package named [`EvalPackage`][packages] which implements the disabling override:
```rust
use rhai::Engine;

2
doc/src/language/fn-ptr.md
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@ -12,7 +12,7 @@ Call a function pointer using the `call` method, which needs to be called in met
Built-in methods
----------------
The following standard methods (mostly defined in the [`BasicFnPackage`]({{rootUrl}}/rust/packages.md) but excluded if
The following standard methods (mostly defined in the [`BasicFnPackage`][packages] but excluded if
using a [raw `Engine`]) operate on [strings]:
| Function | Parameter(s) | Description |

2
doc/src/language/modules/imp-resolver.md
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@ -7,7 +7,7 @@ For many applications in which Rhai is embedded, it is necessary to customize th
are resolved. For instance, modules may need to be loaded from script texts stored in a database,
not in the file system.
A module resolver must implement the trait [`rhai::ModuleResolver`]({{rootUrl}}/rust/traits.md),
A module resolver must implement the trait [`rhai::ModuleResolver`][traits],
which contains only one function: `resolve`.
When Rhai prepares to load a module, `ModuleResolver::resolve` is called with the name

2
doc/src/language/modules/resolvers.md
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@ -5,7 +5,7 @@ Module Resolvers
When encountering an [`import`] statement, Rhai attempts to _resolve_ the module based on the path string.
_Module Resolvers_ are service types that implement the [`ModuleResolver`]({{rootUrl}}/rust/traits.md) trait.
_Module Resolvers_ are service types that implement the [`ModuleResolver`][traits] trait.
There are a number of standard resolvers built into Rhai, the default being the `FileModuleResolver`
which simply loads a script file based on the path (with `.rhai` extension attached) and execute it to form a module.

4
doc/src/language/num-fn.md
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@ -6,7 +6,7 @@ Numeric Functions
Integer Functions
----------------
The following standard functions (defined in the [`BasicMathPackage`]({{rootUrl}}/rust/packages.md) but excluded if using a [raw `Engine`])
The following standard functions (defined in the [`BasicMathPackage`][packages] but excluded if using a [raw `Engine`])
operate on `i8`, `i16`, `i32`, `i64`, `f32` and `f64` only:
| Function | Description |
@ -18,7 +18,7 @@ operate on `i8`, `i16`, `i32`, `i64`, `f32` and `f64` only:
Floating-Point Functions
-----------------------
The following standard functions (defined in the [`BasicMathPackage`]({{rootUrl}}/rust/packages.md) but excluded if using a [raw `Engine`])
The following standard functions (defined in the [`BasicMathPackage`][packages] but excluded if using a [raw `Engine`])
operate on `f64` only:
| Category | Functions |

2
doc/src/language/object-maps.md
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@ -39,7 +39,7 @@ The index notation allows setting/getting properties of arbitrary names (even th
Built-in Functions
-----------------
The following methods (defined in the [`BasicMapPackage`]({{rootUrl}}/rust/packages.md) but excluded if using a [raw `Engine`])
The following methods (defined in the [`BasicMapPackage`][packages] but excluded if using a [raw `Engine`])
operate on object maps:
| Function | Parameter(s) | Description |

2
doc/src/language/string-fn.md
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@ -3,7 +3,7 @@ Built-in String Functions
{{#include ../links.md}}
The following standard methods (mostly defined in the [`MoreStringPackage`]({{rootUrl}}/rust/packages.md) but excluded if
The following standard methods (mostly defined in the [`MoreStringPackage`][packages] but excluded if
using a [raw `Engine`]) operate on [strings]:
| Function | Parameter(s) | Description |

2
doc/src/language/strings-chars.md
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@ -6,7 +6,7 @@ Strings and Characters
String in Rhai contain any text sequence of valid Unicode characters.
Internally strings are stored in UTF-8 encoding.
Strings can be built up from other strings and types via the `+` operator (provided by the [`MoreStringPackage`]({{rootUrl}}/rust/packages.md)
Strings can be built up from other strings and types via the `+` operator (provided by the [`MoreStringPackage`][packages]
but excluded if using a [raw `Engine`]). This is particularly useful when printing output.
[`type_of()`] a string returns `"string"`.

6
doc/src/language/timestamps.md
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@ -3,12 +3,12 @@
{{#include ../links.md}}
Timestamps are provided by the [`BasicTimePackage`]({{rootUrl}}/rust/packages.md) (excluded if using a [raw `Engine`])
Timestamps are provided by the [`BasicTimePackage`][packages] (excluded if using a [raw `Engine`])
via the `timestamp` function.
Timestamps are not available under [`no_std`].
The Rust type of a timestamp is `std::time::Instant` ([`instant::Instant`](https://crates.io/crates/instant) in [WASM] builds).
The Rust type of a timestamp is `std::time::Instant` ([`instant::Instant`] in [WASM] builds).
[`type_of()`] a timestamp returns `"timestamp"`.
@ -16,7 +16,7 @@ The Rust type of a timestamp is `std::time::Instant` ([`instant::Instant`](https
Built-in Functions
-----------------
The following methods (defined in the [`BasicTimePackage`]({{rootUrl}}/rust/packages.md) but excluded if using a [raw `Engine`]) operate on timestamps:
The following methods (defined in the [`BasicTimePackage`][packages] but excluded if using a [raw `Engine`]) operate on timestamps:
| Function | Parameter(s) | Description |
| ----------------------------- | ---------------------------------- | -------------------------------------------------------- |

4
doc/src/language/values-and-types.md
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@ -6,7 +6,7 @@ Values and Types
The following primitive types are supported natively:
| Category | Equivalent Rust types | [`type_of()`] | `to_string()` |
| ----------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | --------------------- | ----------------------- |
| --------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- | --------------------- | ----------------------- |
| **Integer number** | `u8`, `i8`, `u16`, `i16`, <br/>`u32`, `i32` (default for [`only_i32`]),<br/>`u64`, `i64` _(default)_ | `"i32"`, `"u64"` etc. | `"42"`, `"123"` etc. |
| **Floating-point number** (disabled with [`no_float`]) | `f32`, `f64` _(default)_ | `"f32"` or `"f64"` | `"123.4567"` etc. |
| **Boolean value** | `bool` | `"bool"` | `"true"` or `"false"` |
@ -14,7 +14,7 @@ The following primitive types are supported natively:
| **Immutable Unicode [string]** | `rhai::ImmutableString` (implemented as `Rc<String>` or `Arc<String>`) | `"string"` | `"hello"` etc. |
| **[`Array`]** (disabled with [`no_index`]) | `rhai::Array` | `"array"` | `"[ ?, ?, ? ]"` |
| **[Object map]** (disabled with [`no_object`]) | `rhai::Map` | `"map"` | `"#{ "a": 1, "b": 2 }"` |
| **[Timestamp]** (implemented in the [`BasicTimePackage`]({{rootUrl}}/rust/packages.md), disabled with [`no_std`]) | `std::time::Instant` ([`instant::Instant`](https://crates.io/crates/instant) if not [WASM] build) | `"timestamp"` | _not supported_ |
| **[Timestamp]** (implemented in the [`BasicTimePackage`][packages], disabled with [`no_std`]) | `std::time::Instant` ([`instant::Instant`] if not [WASM] build) | `"timestamp"` | _not supported_ |
| **[Function pointer]** (disabled with [`no_function`]) | _None_ | `Fn` | `"Fn(foo)"` |
| **[`Dynamic`] value** (i.e. can be anything) | `rhai::Dynamic` | _the actual type_ | _actual value_ |
| **System integer** (current configuration) | `rhai::INT` (`i32` or `i64`) | `"i32"` or `"i64"` | `"42"`, `"123"` etc. |

4
doc/src/links.md
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@ -17,6 +17,7 @@
[WASM]: {{rootUrl}}/start/builds/wasm.md
[`Engine`]: {{rootUrl}}/engine/hello-world.md
[traits]: {{rootUrl}}/rust/traits.md
[`private`]: {{rootUrl}}/engine/call-fn.md
[`Func`]: {{rootUrl}}/engine/func.md
[`eval_expression`]: {{rootUrl}}/engine/expressions.md
@ -38,6 +39,8 @@
[custom type]: {{rootUrl}}/rust/custom.md
[custom types]: {{rootUrl}}/rust/custom.md
[`instant::Instant`]: https://crates.io/crates/instant
[`print`]: {{rootUrl}}/language/print-debug.md
[`debug`]: {{rootUrl}}/language/print-debug.md
@ -79,7 +82,6 @@
[OOP]: {{rootUrl}}/language/oop.md
[maximum statement depth]: {{rootUrl}}/safety/max-stmt-depth.md
[maximum call stack depth]: {{rootUrl}}/safety/max-call-stack.md
[maximum number of operations]: {{rootUrl}}/safety/max-operations.md

4
doc/src/rust/print-custom.md
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@ -10,8 +10,8 @@ is `T : Display + Debug`):
| Function | Signature | Typical implementation | Usage |
| ----------- | ------------------------------------------------------------- | ------------------------------------- | --------------------------------------------------------------------------------------- |
| `to_string` | <code>\|s: &mut T\| -> ImmutableString</code> | `s.to_string().into()` | Converts the custom type into a [string] |
| `print` | <code>\|s: &mut T\| -> ImmutableString</code> | `s.to_string().into()` | Converts the custom type into a [string] for the [`print`](#print-and-debug) statement |
| `debug` | <code>\|s: &mut T\| -> ImmutableString</code> | `format!("{:?}", s).into()` | Converts the custom type into a [string] for the [`debug`](#print-and-debug) statement |
| `print` | <code>\|s: &mut T\| -> ImmutableString</code> | `s.to_string().into()` | Converts the custom type into a [string] for the [`print`] statement |
| `debug` | <code>\|s: &mut T\| -> ImmutableString</code> | `format!("{:?}", s).into()` | Converts the custom type into a [string] for the [`debug`] statement |
| `+` | <code>\|s1: ImmutableString, s: T\| -> ImmutableString</code> | `s1 + s` | Append the custom type to another [string], for `print("Answer: " + type);` usage |
| `+` | <code>\|s: T, s2: ImmutableString\| -> ImmutableString</code> | `s.to_string().push_str(&s2).into();` | Append another [string] to the custom type, for `print(type + " is the answer");` usage |
| `+=` | <code>\|s1: &mut ImmutableString, s: T\|</code> | `s1 += s.to_string()` | Append the custom type to an existing [string], for `s += type;` usage |

2
doc/src/safety/index.md
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@ -21,7 +21,7 @@ The most important resources to watch out for are:
Alternatively, it may create a degenerated deep expression with so many levels that the parser exhausts the call stack
when parsing the expression; or even deeply-nested statement blocks, if nested deep enough.
Another way to cause a stack overflow is to load a [self-referencing module]({{rootUrl}}/language/modules/import.md).
Another way to cause a stack overflow is to load a [self-referencing module][`import`].
* **Overflows**: A malicious script may deliberately cause numeric over-flows and/or under-flows, divide by zero, and/or
create bad floating-point representations, in order to crash the system.

3
doc/src/safety/max-modules.md
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@ -10,8 +10,7 @@ of modules to zero does _not_ indicate unlimited modules, but disallows loading
A script attempting to load more than the maximum number of modules will terminate with an error result.
This limit can also be used to stop [`import`-loops]({{rootUrl}}/language/modules/import.md)
(i.e. cycles of modules referring to each other).
This limit can also be used to stop [`import`-loops][`import`] (i.e. cycles of modules referring to each other).
This check can be disabled via the [`unchecked`] feature for higher performance
(but higher risks as well).

2
doc/src/start/builds/minimal.md
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@ -45,7 +45,7 @@ Both of these have little code size savings.
Use a Raw [`Engine`]
-------------------
[`Engine::new_raw`](#raw-engine) creates a _raw_ engine.
[`Engine::new_raw`][raw `Engine`] creates a _raw_ engine.
A _raw_ engine supports, out of the box, only a very [restricted set]({{rootUrl}}/engine/raw.md#built-in-operators)
of basic arithmetic and logical operators.