move builtin generation logic to precompilation time (#139)

* move builtin generation logic to precompilation time

* updates

* always run

* Update src/JuliaInterpreter.jl

Co-Authored-By: KristofferC <[email protected]>

Author: KristofferC

deps/build.jl

@@ -20,12 +20,20 @@ module CompiledCalls
 # This module is for handling intrinsics that must be compiled (llvmcall)
 end
 
+const BUILTIN_FILE = joinpath(@__DIR__, "builtins-julia$(Int(VERSION.major)).$(Int(VERSION.minor)).jl")
+
+@info "Generating builtins for this julia version..."
+gen_builtins_file = joinpath(@__DIR__, "generate_builtins.jl")
+# Run as separate command to prevent including the generate_builtins into the precompile cache
+run(`$(Base.julia_cmd()) --startup-file=no $gen_builtins_file`)
+include_dependency(gen_builtins_file)
+
 include("types.jl")
 include("utils.jl")
 include("construct.jl")
 include("localmethtable.jl")
 include("interpret.jl")
-include("builtins-julia$(Int(VERSION.major)).$(Int(VERSION.minor)).jl")
+include(BUILTIN_FILE)
 include("optimize.jl")
 include("commands.jl")
 include("breakpoints.jl")

src/JuliaInterpreter.jl

@@ -1,4 +1,5 @@
 # This file generates builtins.jl.
+using InteractiveUtils
 
 function scopedname(f)
     io = IOBuffer()
@@ -66,6 +67,11 @@ end
 
 # `io` is for the generated source file
 # `intrinsicsfile` is the path to Julia's `src/intrinsics.h` file
+function generate_builtins(file::String)
+    open(file, "w") do io
+        generate_builtins(io::IO)
+    end
+end
 function generate_builtins(io::IO)
     pat = r"(ADD_I|ALIAS)\((\w*),"
     print(io,
@@ -209,3 +215,5 @@ function maybe_evaluate_builtin(frame, call_expr, expand::Bool)
 end
 """)
 end
+
+generate_builtins(joinpath(@__DIR__, "builtins-julia$(Int(VERSION.major)).$(Int(VERSION.minor)).jl"))