Compiler improvement

CHANGES

@@ -2,6 +2,41 @@
 
  * Features/Changes
  ** Add -linkall option to keep all provided primitives
+ ** Compiler: Add javascript file lookup using findlib
+    (+mypkg/myfile.js will read myfile.js from mypkg findlib directory)
+    (by Hugo Heuzard)
+ ** Compiler: Add compilation profiles -opt 1 (2 or 3)
+    (1 -> as before ; 2 -> loop until fixpoint ; 3 -> enable experimental optim 
+    (by Hugo Heuzard)
+ ** Compiler: Improve missing primitives & reserved name detection
+    (by Hugo Heuzard)
+ ** Compiler: Add variable renaming (Based on graph coloring)
+    can be enable with -enable shortvar
+    (by Hugo Heuzard)
+ ** Compiler: static evaluation of constant ("staticeval" optimisation)
+    (by Hugo Heuzard)
+ ** Compiler: Share string constant (by Hugo Heuzard)
+ ** Compiler: Alias primitives (by Hugo Heuzard)
+ ** Compiler: Complete javacript ast (by Hugo Heuzard)
+ ** Compiler: 'caml_format_int %d x' compiles to ""+x (by Hugo Heuzard)
+ ** add javascript file in META (to be used with ocamlfind)
+    (by Hugo Heuzard)
+ ** add Ocamlbuild plugin js_of_ocaml.ocamlbuild
+    (by Jacques-Pascal Deplaix)
+ ** Add/Install unix.js, classlist.js, weak.js
+ ** Add Url.Current.protocol (by Vicent Balat)
+ ** Dependency: deriving instead of deriving-ocsigen
+ ** Log in case of wrong string encoding (by Hugo Heuzard)
+ ** Add compiler_libs (by Pierre Chambart)
+ ** Add Application Cache (by Marc Simon)
+ ** Compile native syntax extension (by Hugo Heuzard)
+ ** Add a javascript parser (extracted from facebook/pfff)
+   (to be use later)
+
+ * BugFixes
+ ** Compiler: js file is not create in case of error (by Hugo Heuzard)
+ ** Fix compatibility when using type conv (by Hugo Heuzard)
+ ** Fix setTimeout overflow (by Hugo Heuzard)
 
 ===== 1.3 (2012-11-28) =====
 

TODO.txt

@@ -1,14 +1,6 @@
 Priorities
 ==========
 
-- use short names for primitives
-- share string constants
-  =====> generic mechanism for sharing constants?
-
-- optimize pattern (new Mlstring("foo").toString())
-                 ===> "foo" converted to UTF-8
-- new MlString(x) replaced by primitive
-
 - unhoist functions when possible
 
 ---------
@@ -80,8 +72,6 @@ Compiler optimizations
 
 - fix control.ml
 
-- detect caml_format_int("%d", x) and generate ""+x
-
 - syntactic sugar for Javascript literal strings
   + optimization to avoid going through Caml strings
 
@@ -93,13 +83,9 @@ Compiler optimizations
   ===> explicit conversion to boolean; specialized "if" that operates
        on booleans directly
 
-- inlining (especially of functions that are used only once!)
 - constant hoisting (including functions, out of loops and functions)
 - inline also partially applied functions
 
-- implement variable coalescing (in code generation, reuse the same
-  name for several variables when they have a disting lifetime)
-
 - we should check stack compatibility when parsing:
   when jumping somewhere, the stack should keep the same shape
 
@@ -184,10 +170,7 @@ COMPACT MODE
 ============
 - We need to insert newlines from time to time to avoid problems with
   some routers...
-- Code for variable renaming in Javascript code
-  ==> also eliminate redundant "var"?
-- Start with function parameters.  Then, variables that are used most.
-- Use interference mechanism...
+- eliminate redundant "var"?
 
 IMPROVEMENTS
 ============
@@ -197,9 +180,6 @@ IMPROVEMENTS
   ==> gdtoa
     http://caml.inria.fr/pub/ml-archives/caml-list/2002/12/2813f8e8be115b0bad1bc16b1e41b744.en.html
 
-- We only have to make sure we do not use a
-  reserved word nor a function used outside for naming variables
-
 - explicit conversion from int to boolean
 
 - simplify conditional definition

compiler/.depend

@@ -1,61 +1,79 @@
-code.cmo : util.cmi code.cmi
-code.cmx : util.cmx code.cmi
+code.cmo : util.cmi reserved.cmo option.cmo code.cmi
+code.cmx : util.cmx reserved.cmx option.cmx code.cmi
 control.cmo : subst.cmi code.cmi control.cmi
 control.cmx : subst.cmx code.cmx control.cmi
-deadcode.cmo : util.cmi pure_fun.cmi code.cmi deadcode.cmi
-deadcode.cmx : util.cmx pure_fun.cmx code.cmx deadcode.cmi
+deadcode.cmo : util.cmi pure_fun.cmi option.cmo code.cmi deadcode.cmi
+deadcode.cmx : util.cmx pure_fun.cmx option.cmx code.cmx deadcode.cmi
 dgraph.cmo : dgraph.cmi
 dgraph.cmx : dgraph.cmi
-driver.cmo : util.cmi tailcall.cmi phisimpl.cmi parse_bytecode.cmi \
-    js_output.cmi inline.cmi generate.cmi flow.cmi deadcode.cmi code.cmi \
-    driver.cmi
-driver.cmx : util.cmx tailcall.cmx phisimpl.cmx parse_bytecode.cmx \
-    js_output.cmx inline.cmx generate.cmx flow.cmx deadcode.cmx code.cmx \
-    driver.cmi
-flow.cmo : util.cmi subst.cmi dgraph.cmi code.cmi flow.cmi
-flow.cmx : util.cmx subst.cmx dgraph.cmx code.cmx flow.cmi
-freevars.cmo : util.cmi code.cmi freevars.cmi
-freevars.cmx : util.cmx code.cmx freevars.cmi
-generate.cmo : util.cmi subst.cmi primitive.cmi pretty_print.cmi linker.cmi \
-    js_simpl.cmi js_output.cmi javascript.cmi freevars.cmi code.cmi \
-    generate.cmi
-generate.cmx : util.cmx subst.cmx primitive.cmx pretty_print.cmx linker.cmx \
-    js_simpl.cmx js_output.cmx javascript.cmx freevars.cmx code.cmx \
-    generate.cmi
-inline.cmo : util.cmi deadcode.cmi code.cmi inline.cmi
-inline.cmx : util.cmx deadcode.cmx code.cmx inline.cmi
+driver.cmo : tailcall.cmi specialize_js.cmo specialize.cmo primitive.cmi \
+    pretty_print.cmi phisimpl.cmi parse_bytecode.cmi option.cmo linker.cmi \
+    js_var.cmi js_output.cmi inline.cmi generate.cmi flow.cmi eval.cmo \
+    deadcode.cmi code.cmi driver.cmi
+driver.cmx : tailcall.cmx specialize_js.cmx specialize.cmx primitive.cmx \
+    pretty_print.cmx phisimpl.cmx parse_bytecode.cmx option.cmx linker.cmx \
+    js_var.cmx js_output.cmx inline.cmx generate.cmx flow.cmx eval.cmx \
+    deadcode.cmx code.cmx driver.cmi
+eval.cmo : primitive.cmi flow.cmi code.cmi
+eval.cmx : primitive.cmx flow.cmx code.cmx
+flow.cmo : util.cmi subst.cmi option.cmo dgraph.cmi code.cmi flow.cmi
+flow.cmx : util.cmx subst.cmx option.cmx dgraph.cmx code.cmx flow.cmi
+freevars.cmo : util.cmi option.cmo code.cmi freevars.cmi
+freevars.cmx : util.cmx option.cmx code.cmx freevars.cmi
+generate.cmo : util.cmi subst.cmi primitive.cmi option.cmo js_simpl.cmi \
+    javascript.cmi freevars.cmi code.cmi generate.cmi
+generate.cmx : util.cmx subst.cmx primitive.cmx option.cmx js_simpl.cmx \
+    javascript.cmx freevars.cmx code.cmx generate.cmi
+inline.cmo : subst.cmi code.cmi inline.cmi
+inline.cmx : subst.cmx code.cmx inline.cmi
 instr.cmo : instr.cmi
 instr.cmx : instr.cmi
-javascript.cmo : javascript.cmi
-javascript.cmx : javascript.cmi
-js_output.cmo : pretty_print.cmi javascript.cmi js_output.cmi
-js_output.cmx : pretty_print.cmx javascript.cmx js_output.cmi
+javascript.cmo : code.cmi javascript.cmi
+javascript.cmx : code.cmx javascript.cmi
+js_output.cmo : pretty_print.cmi parse_bytecode.cmi option.cmo \
+    javascript.cmi code.cmi js_output.cmi
+js_output.cmx : pretty_print.cmx parse_bytecode.cmx option.cmx \
+    javascript.cmx code.cmx js_output.cmi
 js_rename.cmo : util.cmi javascript.cmi
 js_rename.cmx : util.cmx javascript.cmx
-js_simpl.cmo : javascript.cmi js_simpl.cmi
-js_simpl.cmx : javascript.cmx js_simpl.cmi
-linker.cmo : util.cmi primitive.cmi pretty_print.cmi code.cmi linker.cmi
-linker.cmx : util.cmx primitive.cmx pretty_print.cmx code.cmx linker.cmi
-main.cmo : util.cmi pretty_print.cmi parse_bytecode.cmi linker.cmi \
-    driver.cmi
-main.cmx : util.cmx pretty_print.cmx parse_bytecode.cmx linker.cmx \
-    driver.cmx
-parse_bytecode.cmo : util.cmi primitive.cmi instr.cmi code.cmi \
+js_simpl.cmo : javascript.cmi code.cmi js_simpl.cmi
+js_simpl.cmx : javascript.cmx code.cmx js_simpl.cmi
+js_var.cmo : util.cmi reserved.cmo primitive.cmi option.cmo javascript.cmi \
+    code.cmi js_var.cmi
+js_var.cmx : util.cmx reserved.cmx primitive.cmx option.cmx javascript.cmx \
+    code.cmx js_var.cmi
+linker.cmo : util.cmi primitive.cmi pretty_print.cmi linker.cmi
+linker.cmx : util.cmx primitive.cmx pretty_print.cmx linker.cmi
+main.cmo : util.cmi pretty_print.cmi parse_bytecode.cmi option.cmo \
+    linker.cmi driver.cmi
+main.cmx : util.cmx pretty_print.cmx parse_bytecode.cmx option.cmx \
+    linker.cmx driver.cmx
+option.cmo :
+option.cmx :
+parse_bytecode.cmo : util.cmi primitive.cmi option.cmo instr.cmi code.cmi \
     parse_bytecode.cmi
-parse_bytecode.cmx : util.cmx primitive.cmx instr.cmx code.cmx \
+parse_bytecode.cmx : util.cmx primitive.cmx option.cmx instr.cmx code.cmx \
     parse_bytecode.cmi
-phisimpl.cmo : util.cmi subst.cmi dgraph.cmi code.cmi phisimpl.cmi
-phisimpl.cmx : util.cmx subst.cmx dgraph.cmx code.cmx phisimpl.cmi
+phisimpl.cmo : util.cmi subst.cmi option.cmo dgraph.cmi code.cmi \
+    phisimpl.cmi
+phisimpl.cmx : util.cmx subst.cmx option.cmx dgraph.cmx code.cmx \
+    phisimpl.cmi
 pretty_print.cmo : pretty_print.cmi
 pretty_print.cmx : pretty_print.cmi
-primitive.cmo : util.cmi primitive.cmi
-primitive.cmx : util.cmx primitive.cmi
+primitive.cmo : util.cmi reserved.cmo primitive.cmi
+primitive.cmx : util.cmx reserved.cmx primitive.cmi
 pure_fun.cmo : primitive.cmi code.cmi pure_fun.cmi
 pure_fun.cmx : primitive.cmx code.cmx pure_fun.cmi
+reserved.cmo :
+reserved.cmx :
+specialize.cmo : option.cmo flow.cmi code.cmi
+specialize.cmx : option.cmx flow.cmx code.cmx
+specialize_js.cmo : flow.cmi code.cmi
+specialize_js.cmx : flow.cmx code.cmx
 subst.cmo : util.cmi code.cmi subst.cmi
 subst.cmx : util.cmx code.cmx subst.cmi
-tailcall.cmo : util.cmi subst.cmi code.cmi tailcall.cmi
-tailcall.cmx : util.cmx subst.cmx code.cmx tailcall.cmi
+tailcall.cmo : util.cmi subst.cmi option.cmo code.cmi tailcall.cmi
+tailcall.cmx : util.cmx subst.cmx option.cmx code.cmx tailcall.cmi
 util.cmo : util.cmi
 util.cmx : util.cmi
 code.cmi : util.cmi
@@ -65,12 +83,13 @@ dgraph.cmi :
 driver.cmi : pretty_print.cmi parse_bytecode.cmi code.cmi
 flow.cmi : code.cmi
 freevars.cmi : util.cmi code.cmi
-generate.cmi : pretty_print.cmi parse_bytecode.cmi code.cmi
+generate.cmi : javascript.cmi code.cmi
 inline.cmi : code.cmi
 instr.cmi :
-javascript.cmi :
-js_output.cmi : pretty_print.cmi parse_bytecode.cmi javascript.cmi
-js_simpl.cmi : javascript.cmi
+javascript.cmi : code.cmi
+js_output.cmi : pretty_print.cmi parse_bytecode.cmi javascript.cmi code.cmi
+js_simpl.cmi : javascript.cmi code.cmi
+js_var.cmi : javascript.cmi code.cmi
 linker.cmi : pretty_print.cmi
 parse_bytecode.cmi : code.cmi
 phisimpl.cmi : code.cmi

compiler/Makefile

@@ -5,13 +5,14 @@ all: $(COMPILER)
 
 lib: compiler.cma compiler.cmxa compiler.cmxs
 
-PACKAGES=findlib,str,unix
+PACKAGES=findlib,str,unix,ocamlgraph
 
-OBJS=pretty_print.cmx util.cmx dgraph.cmx \
-     javascript.cmx js_output.cmx js_simpl.cmx \
-     instr.cmx code.cmx primitive.cmx subst.cmx pure_fun.cmx deadcode.cmx \
-     flow.cmx inline.cmx \
+OBJS=pretty_print.cmx reserved.cmx util.cmx option.cmx dgraph.cmx \
+     code.cmx javascript.cmx js_output.cmx js_simpl.cmx \
+     instr.cmx primitive.cmx subst.cmx pure_fun.cmx deadcode.cmx \
+     flow.cmx specialize.cmx specialize_js.cmx eval.cmx inline.cmx \
      tailcall.cmx freevars.cmx phisimpl.cmx \
+	   js_var.cmx \
      linker.cmx generate.cmx parse_bytecode.cmx driver.cmx
 
 COMPOBJS=$(OBJS) main.cmx
@@ -40,13 +41,13 @@ compiler.cmxs: $(OBJS)
 	ocamlfind ocamlopt -shared -o $@ $^
 
 %.cmx: %.ml
-	ocamlfind ocamlopt -package findlib,str -for-pack Compiler -c $<
+	ocamlfind ocamlopt -package findlib,str,ocamlgraph -for-pack Compiler -c $<
 
 %.cmo: %.ml
-	ocamlfind ocamlc -package findlib,str -c $<
+	ocamlfind ocamlc -package findlib,str,ocamlgraph -c $<
 
 %.cmi: %.mli
-	ocamlfind ocamlc -package findlib,str -c $<
+	ocamlfind ocamlc -package findlib,str,ocamlgraph -c $<
 
 clean:
 	rm -f *.cm[aiox] *.cmxa *.cmxs *.o *.a