[WIP] drop julia < 0.5 and prepare for 0.6

.travis.yml

@@ -3,8 +3,7 @@ os:
   - linux
   - osx
 julia:
-  - 0.3
-  - 0.4
+  - 0.5
   - nightly
 notifications:
   email: false

README.md

@@ -36,7 +36,7 @@ using ParserCombinator
 
 # the AST nodes we will construct, with evaluation via calc()
 
-abstract Node
+abstract type Node node
 ==(n1::Node, n2::Node) = n1.val == n2.val
 calc(n::Float64) = n
 type Inv<:Node val end
@@ -68,7 +68,7 @@ sum.matcher = prd + (add | sub)[0:end] |> Sum
 all = sum + Eos()
 
 
-# and test 
+# and test
 
 # this prints 2.5
 calc(parse_one("1+2*3/4", all)[1])
@@ -111,11 +111,6 @@ Still, for large parsing tasks (eg parsing source code for a compiler) it
 would probably be better to use a wrapper around an external parser generator,
 like Anltr.
 
-**Note:** There's an [issue](https://github.com/JuliaLang/Compat.jl/issues/94)
-  with the Compat library which means the code above (the assignment to
-  `Delayed.matcher`) doesn't work with 0.3.  See [calc.jl](test/calc.jl) for
-  the uglier, hopefully temporary, 0.3 version.
-
 ## Install
 
 ```julia
@@ -596,7 +591,7 @@ character of the first line.
 
 Finally, note that this is implemented at the source level, by restricting
 what text is visible to the matchers.  Matchers that *could* backtrack will
-still make the attempt.  So you should also [disable backtracking in the 
+still make the attempt.  So you should also [disable backtracking in the
 matchers](#backtracking), where you do not need it, for an efficient grammar.
 
 #### Spaces - Pre And Post-Fixes
@@ -727,15 +722,15 @@ matchers you care about):
 
     neg = Delayed()             # allow multiple negations (eg ---3)
     neg.matcher = val | (E"-" + neg > Neg)
-    
+
     mul = E"*" + neg
     div = E"/" + neg > Inv
     prd = neg + (mul | div)[0:end] |> Prd
-    
+
     add = E"+" + prd
     sub = E"-" + prd > Neg
     sum.matcher = prd + (add | sub)[0:end] |> Sum
-    
+
     all = sum + Eos()
 end
 
@@ -1272,4 +1267,3 @@ patch.
 1.1.0 - 2015-06-07 - Fixed calc example; debug mode; much rewriting.
 
 1.0.0 - ~2015-06-03 - More or less feature complete.
-

REQUIRE

@@ -1,4 +1,3 @@
-julia 0.3
-Compat 0.7.12
-AutoHashEquals 0.0.8
-
+julia 0.5
+AutoHashEquals
+Compat 0.20

src/ParserCombinator.jl

@@ -1,31 +1,30 @@
-
+__precompile__()
 module ParserCombinator
-
 using Compat
 using AutoHashEquals
 import Base: start, next, done, endof, getindex, colon, isless, size, hash
 import Base: ==, ~, +, &, |, >=, >, |>, !
 
-export Matcher, 
+export Matcher,
 diagnostic, forwards, LineSource, LineIter,
 Config, Cache, NoCache, make, make_all, make_one, once,
-parse_one, parse_one_cache, parse_one_nocache, 
+parse_one, parse_one_cache, parse_one_nocache,
 parse_all, parse_all_cache, parse_all_nocache,
 parse_lines, parse_lines_cache,
-Debug, Trace, 
+Debug, Trace,
 parse_dbg, parse_one_dbg, parse_one_cache_dbg, parse_one_nocache_dbg,
 parse_all_dbg, parse_all_cache_dbg, parse_all_nocache_dbg,
 parse_lines_dbg, parse_lines_cache_dbg,
 Success, EMPTY, Failure, FAILURE, Execute,
 State, Clean, CLEAN, Dirty, DIRTY,
 ParserException, Value, Empty, EMPTY, Delegate, DelegateState,
-Epsilon, Insert, Dot, Fail, Drop, Equal, 
-Repeat, Depth, Breadth, Depth!, Breadth!, ALL, 
+Epsilon, Insert, Dot, Fail, Drop, Equal,
+Repeat, Depth, Breadth, Depth!, Breadth!, ALL,
 Series, Seq, And, Seq!, And!, Alt, Alt!, Lookahead, Not, Pattern, Delayed, Eos,
 ParserError, Error,
 Transform, App, Appl, ITransform, IApp, IAppl,
 @p_str, @P_str, @e_str, @E_str, Opt, Opt!,
-Parse, PUInt, PUInt8, PUInt16, PUInt32, PUInt64, 
+Parse, PUInt, PUInt8, PUInt16, PUInt32, PUInt64,
 PInt, PInt8, PInt16, PInt32, PInt64, PFloat32, PFloat64,
 Word, Space,
 Star, Plus, Star!, Plus!, StarList, StarList!, PlusList, PlusList!,
@@ -34,7 +33,7 @@ Star, Plus, Star!, Plus!, StarList, StarList!, PlusList, PlusList!,
 TrySource, Try, parse_try, parse_try_dbg, parse_try_cache, parse_try_cache_dbg,
 Parsers
 
-FAST_REGEX = isdefined(Main, :FAST_REGEX) ? Main.FAST_REGEX : VERSION >= v"0.4.0-dev+6325"
+FAST_REGEX = true
 
 include("core/types.jl")
 include("core/sources.jl")

src/Parsers.jl

@@ -1,4 +1,4 @@
-
+__precompile__()
 module Parsers
 
 export GML

src/core/debug.jl

@@ -17,9 +17,9 @@ type Debug{S,I}<:Config{S,I}
     max_depth::Int
     max_iter
     n_calls::Int
-    function Debug(source::S; delegate=NoCache, kargs...)
+    function (::Type{Debug{S,I}}){S,I}(source::S; delegate=NoCache, kargs...)
         k = delegate{S,I}(source; kargs...)
-        @compat new(k.source, k.stack, k, Vector{Int}(), 0, 0, start(k.source), 0)
+        new{S,I}(k.source, k.stack, k, Vector{Int}(), 0, 0, start(k.source), 0)
     end
 end
 # i don't get why this is necessary, but it seems to work
@@ -73,15 +73,11 @@ MAX_RES = 50
 MAX_SRC = 10
 MAX_IND = 10
 
-if VERSION < v"0.4-"
-    shorten(s) = s
-else
 #   shorten(s) = replace(s, r"(?:[a-zA-Z]+\.)+([a-zA-Z]+)", s"\1")
-    shorten(s) = replace(s, r"(?:[a-zA-Z]+\.)+([a-zA-Z]+)", 
-                         Base.SubstitutionString("\1"))
-end
+shorten(s) = replace(s, r"(?:[a-zA-Z]+\.)+([a-zA-Z]+)",
+                     Base.SubstitutionString("\1"))
 
-function truncate(s::AbstractString, n=10)
+function truncate(s::String, n=10)
     if length(s) <= n
         return s
     end
@@ -97,13 +93,13 @@ function truncate(s::AbstractString, n=10)
     end
 end
 
-pad(s::AbstractString, n::Int) = s * repeat(" ", n - length(s))
+pad(s::String, n::Int) = s * repeat(" ", n - length(s))
 indent(k::Debug; max=MAX_IND) = repeat(" ", k.depth[end] % max)
 
 src(::Any, ::Any; max=MAX_SRC) = pad(truncate("...", max), max)
-src(s::AbstractString, i::Int; max=MAX_SRC) = pad(truncate(escape_string(s[i:end]), max), max)
+src(s::String, i::Int; max=MAX_SRC) = pad(truncate(escape_string(s[i:end]), max), max)
 
-function debug{S<:AbstractString}(k::Debug{S}, e::Execute)
+function debug{S<:String}(k::Debug{S}, e::Execute)
     @printf("%3d:%s %02d %s%s->%s\n",
             e.iter, src(k.source, e.iter), k.depth[end], indent(k), e.parent.name, e.child.name)
 end
@@ -116,12 +112,12 @@ function short(s::Value)
     truncate(result, MAX_RES)
 end
 
-function debug{S<:AbstractString}(k::Debug{S}, s::Success)
+function debug{S<:String}(k::Debug{S}, s::Success)
     @printf("%3d:%s %02d %s%s<-%s\n",
             s.iter, src(k.source, s.iter), k.depth[end], indent(k), parent(k).name, short(s.result))
 end
 
-function debug{S<:AbstractString}(k::Debug{S}, f::Failure)
+function debug{S<:String}(k::Debug{S}, f::Failure)
     @printf("   :%s %02d %s%s<-!!!\n",
             pad(" ", MAX_SRC), k.depth[end], indent(k), parent(k).name)
 end
@@ -137,7 +133,7 @@ function src(s::LineAt, i::LineIter; max=MAX_SRC)
         end
     end
 end
-   
+
 function debug{S<:LineAt}(k::Debug{S}, e::Execute)
     @printf("%3d,%-3d:%s %02d %s%s->%s\n",
             e.iter.line, e.iter.column, src(k.source, e.iter), k.depth[end], indent(k), e.parent.name, e.child.name)