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float is boring, let's call it real

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This commit is contained in:
Altareos
2022-06-05 01:19:54 +02:00
parent ebf438edad
commit 2f7b8ed61f
5 changed files with 42 additions and 42 deletions
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8
doc/syntax.md
View File

@@ -71,7 +71,7 @@ _instruction
value value
assign assign
integer integer
float real
string string
array array
add add
@@ -102,9 +102,9 @@ integer
"<integer value=" tag "/>" "<integer value=" tag "/>"
"<integer>" instruction "</integer>" "<integer>" instruction "</integer>"
float real
"<float value=" tag "/>" "<real value=" tag "/>"
"<float>" instruction "</float>" "<real>" instruction "</real>"
string string
"<string value=" tag "/>" "<string value=" tag "/>"

4
sample/stl.pl.xml
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@@ -7,14 +7,14 @@
</call> </call>
<assign variable="arr"> <assign variable="arr">
<array> <array>
<float value="0.1" /> <real value="0.1" />
</array> </array>
</assign> </assign>
<call function="array-set"> <call function="array-set">
<arguments> <arguments>
<value variable="arr" /> <value variable="arr" />
<integer value="0" /> <integer value="0" />
<float value="0.5" /> <real value="0.5" />
</arguments> </arguments>
</call> </call>
<each variable="v"> <each variable="v">

64
src/instruction.rs
View File

@@ -14,8 +14,8 @@ pub enum Instruction {
Assign(String, Box<Instruction>), Assign(String, Box<Instruction>),
Integer(String), Integer(String),
IntegerCast(Box<Instruction>), IntegerCast(Box<Instruction>),
Float(String), Real(String),
FloatCast(Box<Instruction>), RealCast(Box<Instruction>),
String(String), String(String),
StringCast(Box<Instruction>), StringCast(Box<Instruction>),
Array(Vec<Instruction>), Array(Vec<Instruction>),
@@ -73,13 +73,13 @@ impl Instruction {
Err(MissingAttribute("integer", "value"))? Err(MissingAttribute("integer", "value"))?
} }
} }
"float" => { "real" => {
if let Some(v) = node.attribute("value") { if let Some(v) = node.attribute("value") {
Instruction::Float(String::from(v)) Instruction::Real(String::from(v))
} else if let Some(n) = node.first_element_child() { } else if let Some(n) = node.first_element_child() {
Instruction::FloatCast(Box::new(Instruction::new(n)?)) Instruction::RealCast(Box::new(Instruction::new(n)?))
} else { } else {
Err(MissingAttribute("float", "value"))? Err(MissingAttribute("real", "value"))?
} }
} }
"string" => { "string" => {
@@ -270,14 +270,14 @@ impl Instruction {
)) ))
} else if vals } else if vals
.iter() .iter()
.all(|v| matches!(v, Value::Integer(_)) || matches!(v, Value::Float(_))) .all(|v| matches!(v, Value::Integer(_)) || matches!(v, Value::Real(_)))
{ {
Ok(Value::Float( Ok(Value::Real(
vals.iter() vals.iter()
.map(|v| { .map(|v| {
if let Value::Integer(i) = v { if let Value::Integer(i) = v {
Ok(*i as f64) Ok(*i as f64)
} else if let Value::Float(f) = v { } else if let Value::Real(f) = v {
Ok(*f) Ok(*f)
} else { } else {
Err(InvalidValue("add"))? Err(InvalidValue("add"))?
@@ -287,7 +287,7 @@ impl Instruction {
)) ))
} else if vals.iter().all(|v| { } else if vals.iter().all(|v| {
matches!(v, Value::Integer(_)) matches!(v, Value::Integer(_))
|| matches!(v, Value::Float(_)) || matches!(v, Value::Real(_))
|| matches!(v, Value::String(_)) || matches!(v, Value::String(_))
}) { }) {
Ok(Value::String( Ok(Value::String(
@@ -297,7 +297,7 @@ impl Instruction {
s.to_string() s.to_string()
} else if let Value::Integer(i) = v { } else if let Value::Integer(i) = v {
i.to_string() i.to_string()
} else if let Value::Float(f) = v { } else if let Value::Real(f) = v {
f.to_string() f.to_string()
} else { } else {
Err(InvalidValue("add"))? Err(InvalidValue("add"))?
@@ -333,14 +333,14 @@ impl Instruction {
) )
} else if vals } else if vals
.iter() .iter()
.all(|v| matches!(v, Value::Integer(_)) || matches!(v, Value::Float(_))) .all(|v| matches!(v, Value::Integer(_)) || matches!(v, Value::Real(_)))
{ {
let first = match vals.first().ok_or(BadChildCount("subtract", 0usize))? { let first = match vals.first().ok_or(BadChildCount("subtract", 0usize))? {
Value::Integer(v) => *v as f64, Value::Integer(v) => *v as f64,
Value::Float(v) => *v, Value::Real(v) => *v,
_ => Err(InvalidValue("subtract"))?, _ => Err(InvalidValue("subtract"))?,
}; };
Value::Float( Value::Real(
first first
- vals - vals
.iter() .iter()
@@ -348,7 +348,7 @@ impl Instruction {
.map(|val| { .map(|val| {
Ok(match val { Ok(match val {
Value::Integer(v) => *v as f64, Value::Integer(v) => *v as f64,
Value::Float(v) => *v, Value::Real(v) => *v,
_ => Err(InvalidValue("subtract"))?, _ => Err(InvalidValue("subtract"))?,
}) })
}) })
@@ -374,14 +374,14 @@ impl Instruction {
)) ))
} else if vals } else if vals
.iter() .iter()
.all(|v| matches!(v, Value::Integer(_)) || matches!(v, Value::Float(_))) .all(|v| matches!(v, Value::Integer(_)) || matches!(v, Value::Real(_)))
{ {
Ok(Value::Float( Ok(Value::Real(
vals.iter() vals.iter()
.map(|val| { .map(|val| {
Ok(match val { Ok(match val {
Value::Integer(v) => *v as f64, Value::Integer(v) => *v as f64,
Value::Float(v) => *v, Value::Real(v) => *v,
_ => Err(InvalidValue("multiply"))?, _ => Err(InvalidValue("multiply"))?,
}) })
}) })
@@ -395,14 +395,14 @@ impl Instruction {
fn divide(vals: Vec<Value>) -> Result<Value, Box<dyn Error>> { fn divide(vals: Vec<Value>) -> Result<Value, Box<dyn Error>> {
if vals if vals
.iter() .iter()
.all(|v| matches!(v, Value::Integer(_)) || matches!(v, Value::Float(_))) .all(|v| matches!(v, Value::Integer(_)) || matches!(v, Value::Real(_)))
{ {
let first = match vals.first().ok_or(BadChildCount("divide", 0))? { let first = match vals.first().ok_or(BadChildCount("divide", 0))? {
Value::Integer(v) => *v as f64, Value::Integer(v) => *v as f64,
Value::Float(v) => *v, Value::Real(v) => *v,
_ => Err(InvalidValue("divide"))?, _ => Err(InvalidValue("divide"))?,
}; };
Ok(Value::Float( Ok(Value::Real(
first first
* vals * vals
.iter() .iter()
@@ -410,7 +410,7 @@ impl Instruction {
.map(|val| { .map(|val| {
Ok(match val { Ok(match val {
Value::Integer(v) => 1.0 / (*v as f64), Value::Integer(v) => 1.0 / (*v as f64),
Value::Float(v) => 1.0 / *v, Value::Real(v) => 1.0 / *v,
_ => Err(InvalidValue("divide"))?, _ => Err(InvalidValue("divide"))?,
}) })
}) })
@@ -442,7 +442,7 @@ impl Instruction {
match v1 { match v1 {
Value::Integer(i1) => match v2 { Value::Integer(i1) => match v2 {
Value::Integer(i2) => Ok(i1 - i2), Value::Integer(i2) => Ok(i1 - i2),
Value::Float(f2) => Ok( Value::Real(f2) => Ok(
match (i1 as f64).partial_cmp(&f2).ok_or(IncompatibleValues)? { match (i1 as f64).partial_cmp(&f2).ok_or(IncompatibleValues)? {
Ordering::Less => -1, Ordering::Less => -1,
Ordering::Equal => 0, Ordering::Equal => 0,
@@ -451,7 +451,7 @@ impl Instruction {
), ),
_ => Err(IncompatibleValues)?, _ => Err(IncompatibleValues)?,
}, },
Value::Float(f1) => match v2 { Value::Real(f1) => match v2 {
Value::Integer(i2) => Ok( Value::Integer(i2) => Ok(
match f1.partial_cmp(&(i2 as f64)).ok_or(IncompatibleValues)? { match f1.partial_cmp(&(i2 as f64)).ok_or(IncompatibleValues)? {
Ordering::Less => -1, Ordering::Less => -1,
@@ -459,7 +459,7 @@ impl Instruction {
Ordering::Greater => 1, Ordering::Greater => 1,
}, },
), ),
Value::Float(f2) => Ok(match f1.partial_cmp(&f2).ok_or(IncompatibleValues)? { Value::Real(f2) => Ok(match f1.partial_cmp(&f2).ok_or(IncompatibleValues)? {
Ordering::Less => -1, Ordering::Less => -1,
Ordering::Equal => 0, Ordering::Equal => 0,
Ordering::Greater => 1, Ordering::Greater => 1,
@@ -511,25 +511,25 @@ impl Instruction {
Instruction::IntegerCast(ins) => Some(Value::Integer( Instruction::IntegerCast(ins) => Some(Value::Integer(
match ins.run(ctx, globals)?.ok_or(InvalidValue("integer"))? { match ins.run(ctx, globals)?.ok_or(InvalidValue("integer"))? {
Value::Integer(i) => i, Value::Integer(i) => i,
Value::Float(f) => f as i64, Value::Real(f) => f as i64,
Value::String(s) => s.parse()?, Value::String(s) => s.parse()?,
_ => Err(InvalidValue("integer"))?, _ => Err(InvalidValue("integer"))?,
}, },
)), )),
Instruction::Float(val) => Some(Value::Float(val.parse()?)), Instruction::Real(val) => Some(Value::Real(val.parse()?)),
Instruction::FloatCast(ins) => Some(Value::Float( Instruction::RealCast(ins) => Some(Value::Real(
match ins.run(ctx, globals)?.ok_or(InvalidValue("float"))? { match ins.run(ctx, globals)?.ok_or(InvalidValue("real"))? {
Value::Integer(i) => i as f64, Value::Integer(i) => i as f64,
Value::Float(f) => f, Value::Real(f) => f,
Value::String(s) => s.parse()?, Value::String(s) => s.parse()?,
_ => Err(InvalidValue("float"))?, _ => Err(InvalidValue("real"))?,
}, },
)), )),
Instruction::String(val) => Some(Value::String(val.clone())), Instruction::String(val) => Some(Value::String(val.clone())),
Instruction::StringCast(ins) => Some(Value::String( Instruction::StringCast(ins) => Some(Value::String(
match ins.run(ctx, globals)?.ok_or(InvalidValue("string"))? { match ins.run(ctx, globals)?.ok_or(InvalidValue("string"))? {
Value::Integer(i) => i.to_string(), Value::Integer(i) => i.to_string(),
Value::Float(f) => f.to_string(), Value::Real(f) => f.to_string(),
Value::String(s) => s, Value::String(s) => s,
_ => Err(InvalidValue("string"))?, _ => Err(InvalidValue("string"))?,
}, },

4
src/stl.rs
View File

@@ -35,7 +35,7 @@ fn print(vals: Vec<Value>) -> Result<Option<Value>, Box<dyn Error>> {
if vals.len() == 1 { if vals.len() == 1 {
match &vals[0] { match &vals[0] {
Value::Integer(i) => print!("{}", i), Value::Integer(i) => print!("{}", i),
Value::Float(f) => print!("{}", f), Value::Real(f) => print!("{}", f),
Value::String(s) => print!("{}", s), Value::String(s) => print!("{}", s),
v => print!("{:?}", v), // _ => Err("unprintable value")?, v => print!("{:?}", v), // _ => Err("unprintable value")?,
}; };
@@ -50,7 +50,7 @@ fn print_line(vals: Vec<Value>) -> Result<Option<Value>, Box<dyn Error>> {
if vals.len() == 1 { if vals.len() == 1 {
match &vals[0] { match &vals[0] {
Value::Integer(i) => println!("{}", i), Value::Integer(i) => println!("{}", i),
Value::Float(f) => println!("{}", f), Value::Real(f) => println!("{}", f),
Value::String(s) => println!("{}", s), Value::String(s) => println!("{}", s),
v => println!("{:?}", v), // _ => Err("unprintable value")?, v => println!("{:?}", v), // _ => Err("unprintable value")?,
}; };

4
src/value.rs
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@@ -50,7 +50,7 @@ impl Function {
#[derive(Clone, Debug)] #[derive(Clone, Debug)]
pub enum Value { pub enum Value {
Integer(i64), Integer(i64),
Float(f64), Real(f64),
String(String), String(String),
Array(Rc<RefCell<Vec<Value>>>), Array(Rc<RefCell<Vec<Value>>>),
Function(Function), Function(Function),
@@ -61,7 +61,7 @@ impl Value {
pub fn to_bool(&self) -> bool { pub fn to_bool(&self) -> bool {
match self { match self {
Value::Integer(i) => *i != 0, Value::Integer(i) => *i != 0,
Value::Float(f) => *f != 0.0, Value::Real(f) => *f != 0.0,
Value::String(s) => s.len() != 0, Value::String(s) => s.len() != 0,
Value::Array(v) => v.borrow().len() != 0, Value::Array(v) => v.borrow().len() != 0,
_ => true, _ => true,