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Use plugins to define functions.

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This commit is contained in:
Stephen Chung
2020-10-19 23:49:01 +08:00
parent ccba5f2188
commit 13f1ae577b
4 changed files with 101 additions and 106 deletions
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77
src/packages/string_basic.rs
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@@ -47,16 +47,10 @@ macro_rules! reg_debug_functions {
}
def_package!(crate:BasicStringPackage:"Basic string utilities, including printing.", lib, {
reg_print_functions!(lib += print_basic; INT, bool, char, FnPtr);
set_exported_fn!(lib, KEYWORD_PRINT, print_empty_string);
set_exported_fn!(lib, KEYWORD_PRINT, print_unit);
set_exported_fn!(lib, FN_TO_STRING, print_unit);
set_exported_fn!(lib, KEYWORD_PRINT, print_string);
set_exported_fn!(lib, FN_TO_STRING, print_string);
combine_with_exported_module!(lib, "print_debug", print_debug_functions);
reg_print_functions!(lib += print_basic; INT, bool, char, FnPtr);
reg_debug_functions!(lib += debug_basic; INT, bool, Unit, char, ImmutableString);
set_exported_fn!(lib, KEYWORD_DEBUG, print_empty_string);
set_exported_fn!(lib, KEYWORD_DEBUG, debug_fn_ptr);
#[cfg(not(feature = "only_i32"))]
#[cfg(not(feature = "only_i64"))]
@@ -82,15 +76,15 @@ def_package!(crate:BasicStringPackage:"Basic string utilities, including printin
reg_print_functions!(lib += print_array; Array);
reg_debug_functions!(lib += print_array; Array);
}
#[cfg(not(feature = "no_object"))]
{
set_exported_fn!(lib, KEYWORD_PRINT, format_map::format_map);
set_exported_fn!(lib, FN_TO_STRING, format_map::format_map);
set_exported_fn!(lib, KEYWORD_DEBUG, format_map::format_map);
}
});
fn to_string<T: Display>(x: &mut T) -> ImmutableString {
x.to_string().into()
}
fn to_debug<T: Debug>(x: &mut T) -> ImmutableString {
format!("{:?}", x).into()
}
gen_functions!(print_basic => to_string(INT, bool, char, FnPtr));
gen_functions!(debug_basic => to_debug(INT, bool, Unit, char, ImmutableString));
@@ -122,35 +116,32 @@ gen_functions!(debug_float => to_debug(f32, f64));
gen_functions!(print_array => to_debug(Array));
// Register print and debug
#[export_fn]
fn print_empty_string() -> ImmutableString {
"".to_string().into()
}
#[export_fn]
fn print_unit(_x: ()) -> ImmutableString {
"".to_string().into()
}
#[export_fn]
fn print_string(s: ImmutableString) -> ImmutableString {
s
}
#[export_fn]
fn debug_fn_ptr(f: &mut FnPtr) -> ImmutableString {
to_string(f)
}
fn to_string<T: Display>(x: &mut T) -> ImmutableString {
x.to_string().into()
}
fn to_debug<T: Debug>(x: &mut T) -> ImmutableString {
format!("{:?}", x).into()
}
#[export_module]
mod print_debug_functions {
#[rhai_fn(name = "print", name = "debug")]
pub fn print_empty_string() -> ImmutableString {
"".to_string().into()
}
#[rhai_fn(name = "print", name = "to_string")]
pub fn print_unit(_x: ()) -> ImmutableString {
"".to_string().into()
}
#[rhai_fn(name = "print", name = "to_string")]
pub fn print_string(s: ImmutableString) -> ImmutableString {
s
}
#[rhai_fn(name = "debug")]
pub fn debug_fn_ptr(f: &mut FnPtr) -> ImmutableString {
to_string(f)
}
#[cfg(not(feature = "no_object"))]
mod format_map {
use super::*;
#[cfg(not(feature = "no_object"))]
pub mod map_functions {
use super::*;
#[export_fn]
pub fn format_map(x: &mut Map) -> ImmutableString {
format!("#{:?}", x).into()
#[rhai_fn(name = "print", name = "debug", name = "to_string")]
pub fn format_map(x: &mut Map) -> ImmutableString {
format!("#{:?}", x).into()
}
}
}