Auto-generate defines and metas from JSON files (HaxeFoundation#8195)

* defines in JSON

* metadata in JSON

* move JSON to src-json

* prebuild script

* remove defines/metas into auto-generated modules

* makefile that works (somehow)

* forgot a comment

* use tabs instead of spaces

* remove unnecessary Platform, UsedOn constructors

* fix CI, attempt 1

* fix CI, attempt 2

* fix CI, attempt 3

* debug makefile

* fix CI, attempt 4

* fix CI, attempt 5

* update define and meta JSON

* [skip ci] gitignore prebuild

.gitignore

@@ -26,6 +26,7 @@
 /haxelib*
 /haxedoc*
 /lib
+/prebuild
 
 /src/syntax/lexer.ml
 /libs/xml-light/xml_lexer.ml

.travis.yml

@@ -89,6 +89,7 @@ install_linux: &install_linux
  # Build haxe
  - make package_src -s
  - opam config exec -- make -s STATICLINK=1 libs
+ - opam config exec -- make -s STATICLINK=1 prebuild
  - opam config exec -- make -s -j STATICLINK=1 haxe
  - opam config exec -- make -s haxelib
  - make package_bin -s
@@ -140,6 +141,7 @@ install_osx: &install_osx
  - ocamlopt -v
  # Build haxe
  - make -s STATICLINK=1 "LIB_PARAMS=/usr/local/opt/zlib/lib/libz.a /usr/local/lib/libpcre.a" libs
+ - make -s STATICLINK=1 "LIB_PARAMS=/usr/local/opt/zlib/lib/libz.a /usr/local/lib/libpcre.a" prebuild
  - make -s -j STATICLINK=1 "LIB_PARAMS=/usr/local/opt/zlib/lib/libz.a /usr/local/lib/libpcre.a" haxe
  - make -s haxelib
  - make package_bin -s

Makefile

@@ -22,6 +22,7 @@ MAKEFILENAME?=Makefile
 PLATFORM?=unix
 
 OUTPUT=haxe
+PREBUILD_OUTPUT=prebuild
 EXTENSION=
 LFLAGS=
 STATICLINK?=0
@@ -130,7 +131,16 @@ else
  echo let version_extra = None > _build/src/compiler/version.ml
 endif
 
-build_src: | $(BUILD_SRC) _build/src/syntax/grammar.ml _build/src/compiler/version.ml
+_build/src/core/defineList.ml: src-json/define.json prebuild
+ ./$(PREBUILD_OUTPUT) define $< > $@
+
+_build/src/core/metaList.ml: src-json/meta.json prebuild
+ ./$(PREBUILD_OUTPUT) meta $< > $@
+
+build_src: | $(BUILD_SRC) _build/src/syntax/grammar.ml _build/src/compiler/version.ml _build/src/core/defineList.ml _build/src/core/metaList.ml
+
+prebuild: _build/src/core/json/json.ml _build/src/prebuild/main.ml
+ $(COMPILER) -safe-string -linkpkg -g -o $(PREBUILD_OUTPUT) -package sedlex -package extlib -I _build/src/core/json _build/src/core/json/json.ml _build/src/prebuild/main.ml
 
 haxe: build_src
  $(MAKE) -f $(MAKEFILENAME) build_pass_1
@@ -297,10 +307,10 @@ clean_libs:
  $(foreach lib,$(EXTLIB_LIBS),$(MAKE) -C libs/$(lib) clean &&) true
 
 clean_haxe:
- rm -f -r _build $(OUTPUT)
+ rm -f -r _build $(OUTPUT) $(PREBUILD_OUTPUT)
 
 clean_tools:
- rm -f $(OUTPUT) haxelib
+ rm -f $(OUTPUT) $(PREBUILD_OUTPUT) haxelib
 
 clean_package:
  rm -rf $(PACKAGE_OUT_DIR)
@@ -315,4 +325,4 @@ FORCE:
 .ml.cmo:
  $(CC_CMD)
 
-.PHONY: haxe libs haxelib
+.PHONY: prebuild haxe libs haxelib

Makefile.win

@@ -2,6 +2,7 @@ PLATFORM=win
 MAKEFILENAME=Makefile.win
 include Makefile
 OUTPUT=haxe.exe
+PREBUILD_OUTPUT=prebuild.exe
 EXTENSION=.exe
 PACKAGE_SRC_EXTENSION=.zip
 

appveyor.yml

@@ -69,7 +69,7 @@ install:
 
 build_script:
  - 'cd %APPVEYOR_BUILD_FOLDER%'
- - '%CYG_ROOT%/bin/bash -lc "cd \"$OLDPWD\" && make -s -f Makefile.win libs && make -j -s -f Makefile.win haxe && make -s -f Makefile.win haxelib"'
+ - '%CYG_ROOT%/bin/bash -lc "cd \"$OLDPWD\" && make -s -f Makefile.win libs && make -s -f Makefile.win prebuild && make -j -s -f Makefile.win haxe && make -s -f Makefile.win haxelib"'
  - 'set PATH=%PATH%;%APPVEYOR_BUILD_FOLDER%'
  - 'set HAXEPATH=%APPVEYOR_BUILD_FOLDER%'
  - '%CYG_ROOT%/bin/bash -lc "cd \"$OLDPWD\" && cygcheck haxe.exe"'