Update to rust HEAD

This commit is contained in:
Erick Tryzelaar
2014-06-12 06:31:47 -07:00
parent 32d90e4627
commit 3cf15fb7f3
2 changed files with 1 additions and 270 deletions
-269
View File
@@ -1994,20 +1994,6 @@ pub fn from_json<
de::Deserializable::deserialize(&mut d)
}
/// A structure to decode JSON to values in rust.
pub struct Decoder {
stack: Vec<Json>,
}
impl Decoder {
/// Creates a new decoder instance for decoding the specified JSON value.
pub fn new(json: Json) -> Decoder {
Decoder {
stack: vec!(json),
}
}
}
macro_rules! expect(
($e:expr, Null) => ({
match $e {
@@ -2027,257 +2013,6 @@ macro_rules! expect(
})
)
/*
impl ::Decoder<DecoderError> for Decoder {
fn read_nil(&mut self) -> DecodeResult<()> {
debug!("read_nil");
try!(expect!(self.pop(), Null));
Ok(())
}
fn read_u64(&mut self) -> DecodeResult<u64 > { Ok(try!(self.read_f64()) as u64) }
fn read_u32(&mut self) -> DecodeResult<u32 > { Ok(try!(self.read_f64()) as u32) }
fn read_u16(&mut self) -> DecodeResult<u16 > { Ok(try!(self.read_f64()) as u16) }
fn read_u8 (&mut self) -> DecodeResult<u8 > { Ok(try!(self.read_f64()) as u8) }
fn read_uint(&mut self) -> DecodeResult<uint> { Ok(try!(self.read_f64()) as uint) }
fn read_i64(&mut self) -> DecodeResult<i64> { Ok(try!(self.read_f64()) as i64) }
fn read_i32(&mut self) -> DecodeResult<i32> { Ok(try!(self.read_f64()) as i32) }
fn read_i16(&mut self) -> DecodeResult<i16> { Ok(try!(self.read_f64()) as i16) }
fn read_i8 (&mut self) -> DecodeResult<i8 > { Ok(try!(self.read_f64()) as i8) }
fn read_int(&mut self) -> DecodeResult<int> { Ok(try!(self.read_f64()) as int) }
fn read_bool(&mut self) -> DecodeResult<bool> {
debug!("read_bool");
Ok(try!(expect!(self.pop(), Boolean)))
}
fn read_f64(&mut self) -> DecodeResult<f64> {
use std::from_str::FromStr;
debug!("read_f64");
match self.pop() {
Number(f) => Ok(f),
String(s) => {
// re: #12967.. a type w/ numeric keys (ie HashMap<uint, V> etc)
// is going to have a string here, as per JSON spec..
Ok(FromStr::from_str(s.as_slice()).unwrap())
},
value => {
Err(ExpectedError("Number".to_string(),
format!("{}", value)))
}
}
}
fn read_f32(&mut self) -> DecodeResult<f32> { Ok(try!(self.read_f64()) as f32) }
fn read_char(&mut self) -> DecodeResult<char> {
let s = try!(self.read_str());
{
let mut it = s.as_slice().chars();
match (it.next(), it.next()) {
// exactly one character
(Some(c), None) => return Ok(c),
_ => ()
}
}
Err(ExpectedError("single character string".to_string(),
format!("{}", s)))
}
fn read_str(&mut self) -> DecodeResult<String> {
debug!("read_str");
Ok(try!(expect!(self.pop(), String)))
}
fn read_enum<T>(&mut self,
name: &str,
f: |&mut Decoder| -> DecodeResult<T>) -> DecodeResult<T> {
debug!("read_enum({})", name);
f(self)
}
fn read_enum_variant<T>(&mut self,
names: &[&str],
f: |&mut Decoder, uint| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_enum_variant(names={:?})", names);
let name = match self.pop() {
String(s) => s,
Object(mut o) => {
let n = match o.pop(&"variant".to_string()) {
Some(String(s)) => s,
Some(val) => {
return Err(ExpectedError("String".to_string(),
format!("{}", val)))
}
None => {
return Err(MissingFieldError("variant".to_string()))
}
};
match o.pop(&"fields".to_string()) {
Some(List(l)) => {
for field in l.move_iter().rev() {
self.stack.push(field.clone());
}
},
Some(val) => {
return Err(ExpectedError("List".to_string(),
format!("{}", val)))
}
None => {
return Err(MissingFieldError("fields".to_string()))
}
}
n
}
json => {
return Err(ExpectedError("String or Object".to_string(),
format!("{}", json)))
}
};
let idx = match names.iter()
.position(|n| {
str::eq_slice(*n, name.as_slice())
}) {
Some(idx) => idx,
None => return Err(UnknownVariantError(name))
};
f(self, idx)
}
fn read_enum_variant_arg<T>(&mut self, idx: uint, f: |&mut Decoder| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_enum_variant_arg(idx={})", idx);
f(self)
}
fn read_enum_struct_variant<T>(&mut self,
names: &[&str],
f: |&mut Decoder, uint| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_enum_struct_variant(names={:?})", names);
self.read_enum_variant(names, f)
}
fn read_enum_struct_variant_field<T>(&mut self,
name: &str,
idx: uint,
f: |&mut Decoder| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_enum_struct_variant_field(name={}, idx={})", name, idx);
self.read_enum_variant_arg(idx, f)
}
fn read_struct<T>(&mut self,
name: &str,
len: uint,
f: |&mut Decoder| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_struct(name={}, len={})", name, len);
let value = try!(f(self));
self.pop();
Ok(value)
}
fn read_struct_field<T>(&mut self,
name: &str,
idx: uint,
f: |&mut Decoder| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_struct_field(name={}, idx={})", name, idx);
let mut obj = try!(expect!(self.pop(), Object));
let value = match obj.pop(&name.to_string()) {
None => return Err(MissingFieldError(name.to_string())),
Some(json) => {
self.stack.push(json);
try!(f(self))
}
};
self.stack.push(Object(obj));
Ok(value)
}
fn read_tuple<T>(&mut self, f: |&mut Decoder, uint| -> DecodeResult<T>) -> DecodeResult<T> {
debug!("read_tuple()");
self.read_seq(f)
}
fn read_tuple_arg<T>(&mut self,
idx: uint,
f: |&mut Decoder| -> DecodeResult<T>) -> DecodeResult<T> {
debug!("read_tuple_arg(idx={})", idx);
self.read_seq_elt(idx, f)
}
fn read_tuple_struct<T>(&mut self,
name: &str,
f: |&mut Decoder, uint| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_tuple_struct(name={})", name);
self.read_tuple(f)
}
fn read_tuple_struct_arg<T>(&mut self,
idx: uint,
f: |&mut Decoder| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_tuple_struct_arg(idx={})", idx);
self.read_tuple_arg(idx, f)
}
fn read_option<T>(&mut self, f: |&mut Decoder, bool| -> DecodeResult<T>) -> DecodeResult<T> {
match self.pop() {
Null => f(self, false),
value => { self.stack.push(value); f(self, true) }
}
}
fn read_seq<T>(&mut self, f: |&mut Decoder, uint| -> DecodeResult<T>) -> DecodeResult<T> {
debug!("read_seq()");
let list = try!(expect!(self.pop(), List));
let len = list.len();
for v in list.move_iter().rev() {
self.stack.push(v);
}
f(self, len)
}
fn read_seq_elt<T>(&mut self,
idx: uint,
f: |&mut Decoder| -> DecodeResult<T>) -> DecodeResult<T> {
debug!("read_seq_elt(idx={})", idx);
f(self)
}
fn read_map<T>(&mut self, f: |&mut Decoder, uint| -> DecodeResult<T>) -> DecodeResult<T> {
debug!("read_map()");
let obj = try!(expect!(self.pop(), Object));
let len = obj.len();
for (key, value) in obj.move_iter() {
self.stack.push(value);
self.stack.push(String(key));
}
f(self, len)
}
fn read_map_elt_key<T>(&mut self, idx: uint, f: |&mut Decoder| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_map_elt_key(idx={})", idx);
f(self)
}
fn read_map_elt_val<T>(&mut self, idx: uint, f: |&mut Decoder| -> DecodeResult<T>)
-> DecodeResult<T> {
debug!("read_map_elt_val(idx={})", idx);
f(self)
}
}
*/
/// Test if two json values are less than one another
impl PartialOrd for Json {
fn lt(&self, other: &Json) -> bool {
@@ -2428,10 +2163,6 @@ impl<A:ToJson,B:ToJson,C:ToJson> ToJson for (A, B, C) {
}
}
impl<A:ToJson> ToJson for ~[A] {
fn to_json(&self) -> Json { List(self.iter().map(|elt| elt.to_json()).collect()) }
}
impl<A:ToJson> ToJson for Vec<A> {
fn to_json(&self) -> Json { List(self.iter().map(|elt| elt.to_json()).collect()) }
}
+1 -1
View File
@@ -4,7 +4,7 @@
#[cfg(test)]
extern crate test;
#[phase(syntax, link)]
#[phase(plugin, link)]
extern crate log;
#[cfg(test)]