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use std::fmt::{Debug, Formatter, Error};
#[derive(PartialEq)]
pub struct ModelicaModel {
pub name: String,
pub components: Vec<Component>,
pub equations: Vec<SimpleEquation>,
pub connections: Vec<Connection>,
pub extends: Vec<String>,
}
#[derive(Copy, Clone, PartialEq)]
pub enum ComponentPrefix {
// incomplete: eg, can be parameter and input
Flow,
Stream,
Input,
Output,
Discrete,
Parameter,
Constant,
}
#[derive(PartialEq)]
pub struct Component {
pub prefix: Option<ComponentPrefix>,
pub specifier: String,
pub name: String,
}
#[derive(Clone, PartialEq)]
pub struct Connection {
pub a: String,
pub b: String,
}
#[derive(PartialEq)]
pub struct SimpleEquation {
pub lhs: Expr,
pub rhs: Expr,
}
#[derive(PartialEq)]
pub enum Expr {
Integer(i64),
Float(f64),
Ident(String),
Der(Box<Expr>),
Abs(Box<Expr>),
BinExpr(BinOperator, Box<Expr>, Box<Expr>),
}
#[derive(Copy, Clone, PartialEq)]
pub enum BinOperator {
Multiply,
Divide,
Add,
Subtract,
}
//// Debug Implementations
impl Debug for ModelicaModel {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
try!(write!(fmt, "model {}\n", self.name));
for e in self.extends.iter() {
try!(write!(fmt, " extends {};\n", e));
}
for v in self.components.iter() {
try!(write!(fmt, " {:?};\n", v));
}
try!(write!(fmt, "equation\n"));
for c in self.connections.iter() {
try!(write!(fmt, " {:?};\n", c));
}
for e in self.equations.iter() {
try!(write!(fmt, " {:?};\n", e));
}
write!(fmt, "end {};\n", self.name)
}
}
impl Debug for ComponentPrefix {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
use self::ComponentPrefix::*;
write!(fmt, "{}",
match *self {
Flow => "flow",
Stream => "stream",
Input => "input",
Output => "output",
Discrete => "discrete",
Parameter => "parameter",
Constant => "constant",
})
}
}
impl Debug for Component {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
write!(fmt, "{}{} {}",
match self.prefix {
Some(p) => format!("{:?} ", p),
None => "".to_string(),
},
self.specifier,
self.name,
)
}
}
impl Debug for Connection {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
write!(fmt, "connect({}, {})", self.a, self.b)
}
}
impl Debug for SimpleEquation {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
write!(fmt, "{:?} = {:?}", self.lhs, self.rhs)
}
}
impl Debug for Expr {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
use self::Expr::*;
match *self {
Integer(e) => write!(fmt, "{}", e),
Float(e) => write!(fmt, "{}", e),
Ident(ref e) => write!(fmt, "{}", e),
Der(ref e) => write!(fmt, "der({:?})", e),
Abs(ref e) => write!(fmt, "abs({:?})", e),
BinExpr(op, ref l, ref r) => write!(fmt, "({:?} {:?} {:?})", l, op, r),
}
}
}
impl Debug for BinOperator {
fn fmt(&self, fmt: &mut Formatter) -> Result<(), Error> {
use self::BinOperator::*;
match *self {
Multiply => write!(fmt, "*"),
Divide => write!(fmt, "/"),
Add => write!(fmt, "+"),
Subtract => write!(fmt, "-"),
}
}
}
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