* renamed include guard to be able to use both format lib versions in
parallel
* build Fmt lib and link it into clib
* use std::string instead of format Writer for logging
added variant "2" for logging with new fmt lib
* use new logging variant for two logs
* always add \n to flush log, lets see if the assumption holds
* use new lib for tostring
* replaced all INFO_PRINTS in clib
* formatter for Token, BObject and BObjectImp
* started with bsccript
* use function instead of actual object for logging
* remaining bscript, started plib
* logvariant without newline added, more template magic
* format support for base types, added test for format padding
new version for fdump
* chanhed ecompile/runecl fixed compilation with ESCRIPT_PROFILE
* rewrite INFO_PRINT in plib,poltool/uoconvert/uotool
* replaced remaining INFO_PRINTS, renamed macros INFO_PRINT for logging
without newline, INFO_PRINTLN for newline addition.
Replaced also INFO_PRINT_TRACE and renamed it to INFO_PRINTLN_TRACE
* gitignore for fmt lib
* cleanup vim leftovers
optimize_token() is meant to return true only if it performs an optimization.
By returning true when it did not, it makes the optimizer stop trying.
A script like this can trigger the condition:
var i := 3;
var ii;
ii := 1 - (--i);
print(i);
print(ii);
Notice that line 4 does not optimize to an 'assign-consume' and therefore does not optimize to 'assign global`
Listfile before (see instructions 6-12):
/vagrant/testsuite/escript/opt/opt005-stopped-optimizing-early.src, Line 1
var i := 3;
0: decl global #0
1: 3L
2: :=
3: #
var ii;
4: decl global #1
5: #
ii := 1 - (--i);
6: global #1
7: 1L
8: global #0
9: unary --
10: -
11: :=
12: #
print(i);
13: global #0
14: Func(1,0): Print
15: #
print(ii);
16: global #1
17: Func(1,0): Print
18: #
19: progend
Listfile after (see instructions 6-10):
/vagrant/testsuite/escript/opt/opt005-stopped-optimizing-early.src, Line 1
var i := 3;
0: decl global #0
1: 3L
2: :=
3: #
var ii;
4: decl global #1
5: #
ii := 1 - (--i);
6: 1L
7: global #0
8: unary --
9: -
10: global1 :=
print(i);
11: global #0
12: Func(1,0): Print
13: #
print(ii);
14: global #1
15: Func(1,0): Print
16: #
17: progend
* getUserArgs: optimize arguments immediately
This would have also happened when the whole expression (function call + arguments) was processed.
Doing it here reduces the number of places that call IIP directly.
* remove dead code Expression::eat
* rename Expression::eat2() to consume_tokens(), and modernize
