https://github.com/JuliaLang/julia
Tip revision: a865ca2777a883d4d67a77e71e5aa3ed59fe8f6d authored by Jeff Bezanson on 15 August 2014, 03:12:32 UTC
more scheme portability fixes
more scheme portability fixes
Tip revision: a865ca2
base.jl
# important core definitions
using Core: Intrinsics, arraylen, arrayref, arrayset, arraysize,
tuplelen, tupleref, convert_default, kwcall,
typeassert, apply_type
import Core.Array # to add methods
const NonTupleType = Union(DataType,UnionType,TypeConstructor)
typealias Callable Union(Function,DataType)
convert(T, x) = convert_default(T, x, convert)
convert(::(), ::()) = ()
convert(::Type{Tuple}, x::Tuple) = x
argtail(x, rest...) = rest
tupletail(x::Tuple) = argtail(x...)
convert(T::(Any, Any...), x::(Any, Any...)) =
tuple(convert(T[1],x[1]), convert(tupletail(T), tupletail(x))...)
convert{T}(::Type{(T...)}, x::Tuple) = cnvt_all(T, x...)
cnvt_all(T) = ()
cnvt_all(T, x, rest...) = tuple(convert(T,x), cnvt_all(T, rest...)...)
ptr_arg_convert{T}(::Type{Ptr{T}}, x) = convert(T, x)
ptr_arg_convert(::Type{Ptr{Void}}, x) = x
# conversion used by ccall
cconvert(T, x) = convert(T, x)
# the following 3 definitions implement a 0.3 deprecation
cconvert{T}(::Type{Ptr{T}}, x::Array{T}) = convert(Ptr{T}, x)
cconvert(::Type{Ptr{None}}, x::Array) = convert(Ptr{None}, x)
function cconvert{T}(::Type{Ptr{T}}, x::Array)
depwarn("ccall Ptr argument types must now match exactly, or be Ptr{Void}.", :cconvert)
convert(Ptr{T}, pointer(x))
end
# use the code in ccall.cpp to safely allocate temporary pointer arrays
cconvert{T}(::Type{Ptr{Ptr{T}}}, a::Array) = a
# convert strings to ByteString to pass as pointers
cconvert{P<:Union(Int8,Uint8)}(::Type{Ptr{P}}, s::String) = bytestring(s)
abstract IO
type ErrorException <: Exception
msg::String
end
type SystemError <: Exception
prefix::String
errnum::Int32
SystemError(p::String, e::Integer) = new(p, int32(e))
SystemError(p::String) = new(p, errno())
end
type TypeError <: Exception
func::Symbol
context::String
expected::Type
got
end
type ParseError <: Exception
msg::String
end
type ArgumentError <: Exception
msg::String
end
#type UnboundError <: Exception
# var::Symbol
#end
type KeyError <: Exception
key
end
type LoadError <: Exception
file::String
line::Int
error
end
type MethodError <: Exception
f
args
end
type EOFError <: Exception end
type DimensionMismatch <: Exception
name::ASCIIString
end
type WeakRef
value
WeakRef() = WeakRef(nothing)
WeakRef(v::ANY) = ccall(:jl_gc_new_weakref, Any, (Any,), v)::WeakRef
end
ccall(:jl_get_system_hooks, Void, ())
int(x) = convert(Int, x)
int(x::Int) = x
uint(x) = convert(Uint, x)
uint(x::Uint) = x
# index colon
type Colon
end
const (:) = Colon()
==(w::WeakRef, v::WeakRef) = isequal(w.value, v.value)
==(w::WeakRef, v) = isequal(w.value, v)
==(w, v::WeakRef) = isequal(w, v.value)
function finalizer(o::ANY, f::Union(Function,Ptr))
if isimmutable(o)
error("objects of type ", typeof(o), " cannot be finalized")
end
ccall(:jl_gc_add_finalizer, Void, (Any,Any), o, f)
end
gc() = ccall(:jl_gc_collect, Void, ())
gc_enable() = ccall(:jl_gc_enable, Void, ())
gc_disable() = ccall(:jl_gc_disable, Void, ())
bytestring(str::ByteString) = str
identity(x) = x
function append_any(xs...)
# used by apply() and quote
# must be a separate function from append(), since apply() needs this
# exact function.
out = Array(Any, 4)
l = 4
i = 1
for x in xs
for y in x
if i > l
ccall(:jl_array_grow_end, Void, (Any, Uint), out, 16)
l += 16
end
arrayset(out, y, i)
i += 1
end
end
ccall(:jl_array_del_end, Void, (Any, Uint), out, l-i+1)
out
end
# used by { } syntax
function cell_1d(xs::ANY...)
n = length(xs)
a = Array(Any,n)
for i=1:n
arrayset(a,xs[i],i)
end
a
end
function cell_2d(nr, nc, xs::ANY...)
a = Array(Any,nr,nc)
for i=1:(nr*nc)
arrayset(a,xs[i],i)
end
a
end
# simple Array{Any} operations needed for bootstrap
setindex!(A::Array{Any}, x::ANY, i::Real) = arrayset(A, x, to_index(i))
function length_checked_equal(args...)
n = length(args[1])
for i=2:length(args)
if length(args[i]) != n
error("argument dimensions must match")
end
end
n
end
map(f::Callable, a::Array{Any,1}) = { f(a[i]) for i=1:length(a) }
macro thunk(ex); :(()->$(esc(ex))); end
macro L_str(s); s; end
function precompile(f, args::Tuple)
if isgeneric(f)
ccall(:jl_compile_hint, Void, (Any, Any), f, args)
end
end
esc(e::ANY) = Expr(:escape, e)
macro boundscheck(yesno,blk)
# hack: use this syntax since it avoids introducing line numbers
:($(Expr(:boundscheck,yesno));
$(esc(blk));
$(Expr(:boundscheck,:pop)))
end
macro inbounds(blk)
:(@boundscheck false $(esc(blk)))
end
macro label(name::Symbol)
Expr(:symboliclabel, name)
end
macro goto(name::Symbol)
Expr(:symbolicgoto, name)
end
# NOTE: Base shares Array with Core so we can add definitions to it
Array{T,N}(::Type{T}, d::NTuple{N,Int}) =
ccall(:jl_new_array, Array{T,N}, (Any,Any), Array{T,N}, d)
Array{T}(::Type{T}, m::Int) =
ccall(:jl_alloc_array_1d, Array{T,1}, (Any,Int), Array{T,1}, m)
Array{T}(::Type{T}, m::Int,n::Int) =
ccall(:jl_alloc_array_2d, Array{T,2}, (Any,Int,Int), Array{T,2}, m,n)
Array{T}(::Type{T}, m::Int,n::Int,o::Int) =
ccall(:jl_alloc_array_3d, Array{T,3}, (Any,Int,Int,Int), Array{T,3}, m,n,o)
Array(T::Type, d::Int...) = Array(T, d)
Array(T::Type, d::Integer...) = Array(T, convert((Int...), d))
Array{T}(::Type{T}, m::Integer) =
ccall(:jl_alloc_array_1d, Array{T,1}, (Any,Int), Array{T,1}, m)
Array{T}(::Type{T}, m::Integer,n::Integer) =
ccall(:jl_alloc_array_2d, Array{T,2}, (Any,Int,Int), Array{T,2}, m, n)
Array{T}(::Type{T}, m::Integer,n::Integer,o::Integer) =
ccall(:jl_alloc_array_3d, Array{T,3}, (Any,Int,Int,Int), Array{T,3}, m, n, o)