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re-applied birkenfeld's improvements

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This commit is contained in:
llogiq 2015-08-18 14:18:36 +02:00
parent 6e0c103133
commit 9f67ba7f8d
1 changed files with 12 additions and 12 deletions
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24
src/consts.rs
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@ -59,7 +59,7 @@ impl Constant {
///
/// if the constant could not be converted to u64 losslessly
fn as_u64(&self) -> u64 {
if let &ConstantInt(val, _) = self {
if let ConstantInt(val, _) = *self {
val // TODO we may want to check the sign if any
} else {
panic!("Could not convert a {:?} to u64");
@ -149,15 +149,15 @@ fn partial_cmp(&self, other: &Constant) -> Option<Ordering> {
fn lit_to_constant(lit: &Lit_) -> Constant {
match lit {
&LitStr(ref is, style) => ConstantStr(is.to_string(), style),
&LitBinary(ref blob) => ConstantBinary(blob.clone()),
&LitByte(b) => ConstantByte(b),
&LitChar(c) => ConstantChar(c),
&LitInt(value, ty) => ConstantInt(value, ty),
&LitFloat(ref is, ty) => ConstantFloat(is.to_string(), ty.into()),
&LitFloatUnsuffixed(ref is) => ConstantFloat(is.to_string(), FwAny),
&LitBool(b) => ConstantBool(b),
match *lit {
LitStr(ref is, style) => ConstantStr(is.to_string(), style),
LitBinary(ref blob) => ConstantBinary(blob.clone()),
LitByte(b) => ConstantByte(b),
LitChar(c) => ConstantChar(c),
LitInt(value, ty) => ConstantInt(value, ty),
LitFloat(ref is, ty) => ConstantFloat(is.to_string(), ty.into()),
LitFloatUnsuffixed(ref is) => ConstantFloat(is.to_string(), FwAny),
LitBool(b) => ConstantBool(b),
}
}
@ -300,8 +300,8 @@ fn expr(&mut self, e: &Expr) -> Option<Constant> {
ExprIf(ref cond, ref then, ref otherwise) =>
self.ifthenelse(&*cond, &*then, &*otherwise),
ExprLit(ref lit) => Some(lit_to_constant(&lit.node)),
ExprVec(ref vec) => self.multi(&vec[..]).map(ConstantVec),
ExprTup(ref tup) => self.multi(&tup[..]).map(ConstantTuple),
ExprVec(ref vec) => self.multi(vec).map(ConstantVec),
ExprTup(ref tup) => self.multi(tup).map(ConstantTuple),
ExprRepeat(ref value, ref number) =>
self.binop_apply(value, number, |v, n|
Some(ConstantRepeat(Box::new(v), n.as_u64() as usize))),