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MTS
TTCN-3
Standard
Commits
32b7907a
Commit
32b7907a
authored
3 months ago
by
Matthias Simon
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32b7907a
...
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@@ -41,17 +41,17 @@ A combination of various strategies is probable:
*
Break compatibility and rely on existing language tags.
*
Provide tool for automatic conversion.
# Coding style
#
# Coding style
We should extend the ruleset for coding style of TTCN-3 examples (and conformance tests).
# Templates
##
# Templates
Refining templates pose a big challenge for backward compatibility, but also
many opportunities for simplification. We discussed several ideas without going
too much into detail during this session:
## Template Evaluation
##
## Template Evaluation
Various evaluation strategies for templates are required. However, the current
approach of lazy, fuzzy, var, const or parameterized templates is neither
...
...
@@ -96,14 +96,14 @@ template Point t := function (integer p) return Point {
Details need to be worked out in future discussions.
## Special Template Symbols
##
## Special Template Symbols
`all from`
,
`permutation`
,
`complement`
,
`subset`
,
`superset`
, ..., do not need
to be part of the core language. They could be implemented as library
functions, as language extensions or even by user-defined dynamic matching.
## Inline Templates
##
## Inline Templates
Inline templates consist of an optional type annotation part and a template literal.
A dedicated notion for inline templates is not necessary, as they type
...
...
@@ -111,17 +111,17 @@ annotations could be promoted to a type-conversion operator and template
literals are already part of the language.
## Modified Templates
##
## Modified Templates
Modified template and modified inline template syntax might be unified and simplified.
## List Templates
##
## List Templates
See
[
List Types
](
#list-types
)
.
## Differentiation of Values and template values
##
## Differentiation of Values and template values
Differencing between value and template value complicates the language and its specification.
...
...
@@ -141,7 +141,7 @@ This could also improve on compiler-pleasing through `valueof` and on
operations such as
`omit`
,
`present`
, ...
# Type System
##
# Type System
We discussed several aspects of the type system to identify opportunities for
simplification:
...
...
@@ -164,7 +164,7 @@ simplification:
variables, ...).
## List Types
##
## List Types
Semantics of list types need harmonization and simplification.
...
...
@@ -223,7 +223,7 @@ c := c & {3,4}; // lengthof(c) == ?
```
## Language Features
##
#
Language Features
Procedure based communication might be moved to an extension document.
...
...
@@ -253,7 +253,7 @@ Attributes might be simplified:
*
multiple encodings is complicated and could be removed
## Module organization
##
#
Module organization
`import`
will be simplified if possible.
This would make
`group`
superfluous. However groups are used to structure
...
...
@@ -265,14 +265,14 @@ seldom. It's used primarily by framework developers. Possible improvements need
further discussion.
## TCI/TRI/xTRI
##
#
TCI/TRI/xTRI
Might be merged into a single document. Language mappings for C and Java will
become non-normative, the other language mappings will be removed.
The future for mappings of XML to TLI needs further discussion.
## Extensions
##
#
Extensions
Language features that were neither removed nor moved into the core, will
probably be merged into a common extensions document.
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