From 86f973d82fc54e6189a820232d9537f8d693767a Mon Sep 17 00:00:00 2001
From: melonedo <44501064+melonedo@users.noreply.github.com>
Date: Sat, 28 Aug 2021 15:48:38 +0800
Subject: [PATCH] Support common and API file

---
 gen/generator.toml       | 5 +++++
 src/generator/context.jl | 8 +++++++-
 src/generator/passes.jl  | 2 +-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/gen/generator.toml b/gen/generator.toml
index 794a2cb0..0fbbe454 100644
--- a/gen/generator.toml
+++ b/gen/generator.toml
@@ -14,6 +14,11 @@ library_names = {}
 # output file path relative to the working directory
 output_file_path = "../lib/LibClang.jl"
 
+# if these are set, common file (types and constants) and API file (functions) will be seperated
+# this is for compatibility, so prologue and epilogue are not supported.
+# output_api_file_path = "api.jl"
+# output_common_file_path = "common.jl"
+
 # if this entry is not empty, the generator will print the code below to the `output_file_path`.
 # module module_name
 # 
diff --git a/src/generator/context.jl b/src/generator/context.jl
index 2a4f8bea..256bdb8f 100644
--- a/src/generator/context.jl
+++ b/src/generator/context.jl
@@ -136,7 +136,9 @@ function create_context(headers::Vector, args::Vector=String[], options::Dict=Di
             push!(ctx.passes, StdPrinter())
         end
     else
-        # TODO: impl
+        # let the user handle prologue and epilogue on their own
+        push!(ctx.passes, FunctionPrinter(api_file))
+        push!(ctx.passes, CommonPrinter(common_file))
     end
 
     return ctx
@@ -157,6 +159,10 @@ Run all passes.
 function build!(ctx::Context, stage=BUILDSTAGE_ALL)
     reset_counter()
     for pass in ctx.passes
+        if pass isa ResolveDependency
+            println("hello")
+        end
+
         pass isa CollectDependentSystemNode && stage != BUILDSTAGE_PRINTING_ONLY && @info "Building the DAG..."
         pass isa Codegen && stage != BUILDSTAGE_PRINTING_ONLY && @info "Emit Julia expressions..."
         if stage == BUILDSTAGE_NO_PRINTING
diff --git a/src/generator/passes.jl b/src/generator/passes.jl
index 588b99b3..5324a511 100644
--- a/src/generator/passes.jl
+++ b/src/generator/passes.jl
@@ -873,7 +873,7 @@ function (x::CommonPrinter)(dag::ExprDAG, options::Dict)
     open(x.file, "w") do io
         for node in dag.nodes
             string(node.id) ∈ blacklist && continue
-            node.type isa AbstractMacroNodeType && continue
+            (node.type isa AbstractMacroNodeType || node.type isa AbstractFunctionNodeType) && continue
             pretty_print(io, node, general_options)
         end
         # print macros in the bottom of the file