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Build-in certain common operators.

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This commit is contained in:
Stephen Chung
2020-05-23 18:59:28 +08:00
parent a743c47345
commit b49e1e199a
9 changed files with 336 additions and 147 deletions
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64
src/packages/logic.rs
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@@ -42,40 +42,52 @@ macro_rules! reg_op {
}
def_package!(crate:LogicPackage:"Logical operators.", lib, {
reg_op!(lib, "<", lt, INT, char);
reg_op!(lib, "<=", lte, INT, char);
reg_op!(lib, ">", gt, INT, char);
reg_op!(lib, ">=", gte, INT, char);
reg_op!(lib, "==", eq, INT, char, bool, ());
reg_op!(lib, "!=", ne, INT, char, bool, ());
// reg_op!(lib, "<", lt, INT, char);
// reg_op!(lib, "<=", lte, INT, char);
// reg_op!(lib, ">", gt, INT, char);
// reg_op!(lib, ">=", gte, INT, char);
// reg_op!(lib, "==", eq, INT, char, bool, ());
// reg_op!(lib, "!=", ne, INT, char, bool, ());
// Special versions for strings - at least avoid copying the first string
lib.set_fn_2_mut("<", |x: &mut String, y: String| Ok(*x < y));
lib.set_fn_2_mut("<=", |x: &mut String, y: String| Ok(*x <= y));
lib.set_fn_2_mut(">", |x: &mut String, y: String| Ok(*x > y));
lib.set_fn_2_mut(">=", |x: &mut String, y: String| Ok(*x >= y));
lib.set_fn_2_mut("==", |x: &mut String, y: String| Ok(*x == y));
lib.set_fn_2_mut("!=", |x: &mut String, y: String| Ok(*x != y));
// lib.set_fn_2_mut("<", |x: &mut String, y: String| Ok(*x < y));
// lib.set_fn_2_mut("<=", |x: &mut String, y: String| Ok(*x <= y));
// lib.set_fn_2_mut(">", |x: &mut String, y: String| Ok(*x > y));
// lib.set_fn_2_mut(">=", |x: &mut String, y: String| Ok(*x >= y));
// lib.set_fn_2_mut("==", |x: &mut String, y: String| Ok(*x == y));
// lib.set_fn_2_mut("!=", |x: &mut String, y: String| Ok(*x != y));
#[cfg(not(feature = "only_i32"))]
#[cfg(not(feature = "only_i64"))]
{
reg_op!(lib, "<", lt, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
reg_op!(lib, "<=", lte, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
reg_op!(lib, ">", gt, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
reg_op!(lib, ">=", gte, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
reg_op!(lib, "==", eq, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
reg_op!(lib, "!=", ne, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
// reg_op!(lib, "<", lt, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
// reg_op!(lib, "<=", lte, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
// reg_op!(lib, ">", gt, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
// reg_op!(lib, ">=", gte, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
// reg_op!(lib, "==", eq, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
// reg_op!(lib, "!=", ne, i8, u8, i16, u16, i32, i64, u32, u64, i128, u128);
reg_op!(lib, "<", lt, i8, u8, i16, u16, i32, u32, u64, i128, u128);
reg_op!(lib, "<=", lte, i8, u8, i16, u16, i32, u32, u64, i128, u128);
reg_op!(lib, ">", gt, i8, u8, i16, u16, i32, u32, u64, i128, u128);
reg_op!(lib, ">=", gte, i8, u8, i16, u16, i32, u32, u64, i128, u128);
reg_op!(lib, "==", eq, i8, u8, i16, u16, i32, u32, u64, i128, u128);
reg_op!(lib, "!=", ne, i8, u8, i16, u16, i32, u32, u64, i128, u128);
}
#[cfg(not(feature = "no_float"))]
{
reg_op!(lib, "<", lt, f32, f64);
reg_op!(lib, "<=", lte, f32, f64);
reg_op!(lib, ">", gt, f32, f64);
reg_op!(lib, ">=", gte, f32, f64);
reg_op!(lib, "==", eq, f32, f64);
reg_op!(lib, "!=", ne, f32, f64);
// reg_op!(lib, "<", lt, f32, f64);
// reg_op!(lib, "<=", lte, f32, f64);
// reg_op!(lib, ">", gt, f32, f64);
// reg_op!(lib, ">=", gte, f32, f64);
// reg_op!(lib, "==", eq, f32, f64);
// reg_op!(lib, "!=", ne, f32, f64);
reg_op!(lib, "<", lt, f32);
reg_op!(lib, "<=", lte, f32);
reg_op!(lib, ">", gt, f32);
reg_op!(lib, ">=", gte, f32);
reg_op!(lib, "==", eq, f32);
reg_op!(lib, "!=", ne, f32);
}
// `&&` and `||` are treated specially as they short-circuit.
@@ -83,7 +95,7 @@ def_package!(crate:LogicPackage:"Logical operators.", lib, {
//reg_op!(lib, "||", or, bool);
//reg_op!(lib, "&&", and, bool);
lib.set_fn_2("|", or);
lib.set_fn_2("&", and);
// lib.set_fn_2("|", or);
// lib.set_fn_2("&", and);
lib.set_fn_1("!", not);
});