/[svn]/linuxsampler/trunk/src/engines/common/InstrumentScriptVMDynVars.h
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Revision 3581 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Aug 30 11:40:25 2019 UTC (4 years, 7 months ago) by schoenebeck
File length: 3017 byte(s)
Diff to previous 3557
NKSP: Allow more wider support of standard measuring units & 'final'ness.

* Raised compiler requirement to be C++14 compliant (due to severe
  restrictions regarding C-style aggregate initializer lists in C++11
  which are now massively used throughout the code base).

* NKSP VM API: Allow units and 'final'ness to be returned as result from
  built-in functions (added methods VMFunction::returnUnitType() and
  VMFunction::returnsFinal() for that purpose which must be implemented by
  built-in function implementations).

* NKSP language: Allow metric unit prefixes of numeric scalar and array
  variables to be changed freely at runtime (unlike unit types like Hz etc.
  which are still sticky parse-time features of variables which cannot be
  changed at runtime for the intentional sake of determinism).

* NKSP language: 'final' values are prohibited for array variables for now
  (attempt causes a parsers error).

* NKSP language: expressions with unit types (e.g. Hz) are prohibited for
  conditions of runtime control structures like if(), while(), select()
  (attempt causes a parser error).

* NKSP VM API: Allow built-in functions to perform their own, individual
  parse time checks of arguments going to be passed to the function at
  runtime (added method VMFunction::checkArgs() for that purpose).

* NKSP language: raise parser warning if only one operand of binary
  operators (like logical 'or' comparison) contain a 'final' value (because
  it would always yield in a 'final' result in such cases).

* NKSP language: Allow comparison (=, #, <, >, <=, >=) of values with
  different metric unit prefixes, which will behave as expected (e.g.
  result of expression '1000us < 2ms' is true).

* NKSP language: Allow adding values with different metric unit prefixes
  (e.g. result of expression '100Hz + 5kHz' is '5100Hz').

* NKSP language: Allow subtracting values with different metric unit
  prefixes (e.g. result of expression '1ms - 20us' is '980us').

* NKSP language: Allow multiplying with any metric unit prefixes
  (e.g. result of expression '2k * 3ms' is '6s'), however multiplications
  with unit types on both sides (e.g. '2s * 2s') is still prohibited since
  we don't have any considerable practical use for a term like '4s^2'
  (hence any attempt multiplying two unit types still causes parser error).

* NKSP language: Allow dividing by any metric unit prefixes and allow
  division of same unit type on both sides (e.g. expression '8kHz / 1000Hz'
  yields in unit free result '8'). So this is now a way to cast units away
  e.g. for passing the result to other expressions, certain function calls
  or variables which are not accepting any units (or that specific unit).

* NKSP language: integer arrays and real number arrays can now be converted
  to strings (e.g. for dumping their content with message() calls for
  script debugging purposes).

* NKSP language: expressions and variables with units are now correctly
  casted to strings (e.g. with message() calls).

* NKSP language: comparing real numbers for equalness (e.g. '~foo = 3.1') or
  unequalness (e.g. '~foo # 3.1') is now less strict and takes the expected
  floating point tolerances into account.

* NKSP VM API: Added methods VMScalarNumberExpr::evalCastInt() and
  VMScalarNumberExpr::evalCastReal().

* NKSP VM API: Added base class 'VMNumberArrayExpr' for classes
  'VMIntArrayExpr' and 'VMRealArrayExpr'.

* NKSP VM API: replaced all unitPrefix() (parse time) methods by
  unitFactor() (runtime) methods.

* Built-in function "exit()" supports now returning units and 'final'ness
  exclusively for test cases.

* The following built-in functions support now units as well: "abs()",
  "random()", "inc()", "dec()", "in_range()", "min()", "max()",
  "real_to_int()", "int()", "int_to_real()" and "real()".

* Built-in functions "array_equal()", "search()" and "sort()" support now
  real number arrays (correctly) as well.

* Added individual parse time checks of arguments to be passed to built-in
  functions "random()", "inc()", "dec()", "in_range()", "min()", "max()",
  "array_equal()" and "search()" specific for their individual purposes.

* Test cases: Added massive amount of NKSP test cases for standard
  measuring units and 'final' operator usage cases.

* Test cases: Added NKSP test cases for (floating point tolerance aware)
  real number equalness / unequalness comparison.

* Bumped version (2.1.1.svn8).


Revision 3557 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Sun Aug 18 00:06:04 2019 UTC (4 years, 8 months ago) by schoenebeck
File length: 2629 byte(s)
Diff to previous 3293
* NKSP: Introducing 64 bit support for NKSP integer scripts
  variables (declare $foo).
* Require C++11 compiler support.
* Autoconf: Added m4/ax_cxx_compile_stdcxx.m4 macro which is used
  for checking in configure for C++11 support (as mandatory
  requirement) and automatically adds compiler argument if required
  (e.g. -std=C++11).
* Bumped version (2.1.1.svn3).


Revision 3293 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Tue Jun 27 22:19:19 2017 UTC (6 years, 9 months ago) by schoenebeck
File length: 2603 byte(s)
Diff to previous 3073
* NKSP: Added built-in script function "fork()".
* NKSP: Added built-in array variable %NKSP_CALLBACK_CHILD_ID[].
* NKSP: Added built-in variable $NKSP_CALLBACK_PARENT_ID.
* NKSP: Fixed potential crash when accessing dynamic built-in
  array variables.
* Bumped version (2.0.0.svn65).


Revision 3073 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Thu Jan 5 16:04:00 2017 UTC (7 years, 3 months ago) by schoenebeck
File length: 2007 byte(s)
Diff to previous 2948
* NKSP: Implemented built-in script array variable "%ALL_EVENTS".
* Bumped version (2.0.0.svn35).


Revision 2948 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Jul 15 15:29:04 2016 UTC (7 years, 9 months ago) by schoenebeck
File length: 1275 byte(s)
Diff to previous 2942
* NKSP: Implemented built-in script function "stop_wait()".
* NKSP: Implemented built-in script variable "$NI_CALLBACK_ID".
* NKSP: Implemented built-in script variable "$NI_CALLBACK_TYPE".
* NKSP: Implemented built-in script variable "$NKSP_IGNORE_WAIT".
* NKSP: Added support for read-only built-in variables
  (respectively handled by the script parser).
* NKSP: Added built-in script constant "$NI_CB_TYPE_INIT".
* NKSP: Added built-in script constant "$NI_CB_TYPE_NOTE".
* NKSP: Added built-in script constant "$NI_CB_TYPE_RELEASE".
* NKSP: Added built-in script constant "$NI_CB_TYPE_CONTROLLER".
* Bumped version (2.0.0.svn17).


Revision 2942 - (view) (download) (as text) (annotate) - [select for diffs]
Added Wed Jul 13 15:51:06 2016 UTC (7 years, 9 months ago) by schoenebeck
File length: 866 byte(s)
* NKSP: Implemented built-in script variable "$KSP_TIMER".
* NKSP: Implemented built-in script variable "$NKSP_REAL_TIMER".
* NKSP: Implemented built-in script variable "$NKSP_PERF_TIMER".
* NKSP: Implemented built-in script variable "$ENGINE_UPTIME".
* Bumped version (2.0.0.svn14).


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