feat: add support for inline variable declaration #991
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #991 +/- ##
==========================================
- Coverage 95.75% 95.74% -0.02%
==========================================
Files 147 154 +7
Lines 43119 42607 -512
==========================================
- Hits 41290 40792 -498
+ Misses 1829 1815 -14 ☔ View full report in Codecov by Sentry. |
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Variables can be defined in the body using the syntax
```st
{def} VAR y : DINT := 0; (*Pragma to avoid confusion with var blocks *)
(*Pragma is optional once in body*)
VAR x := 0; (*Implicit type declaration to DINT*)
FOR VAR x := 0 TO 10 BEGIN
(*Implicit variable declaration as loop counter*)
END_FOR
```
Ref: #973
The scoped index contains new variables and datatypes that could later be merged into the main index. Any ast statetment that could declare new variables or represents a scope is marked with a new scope. Further statements would inherit this scope to see new variables. TODO: Going out of scope would merge the new variables with unique names back into the index. Co-authored-by: Michael <[email protected]>
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Variables can be defined in the body using the syntax
{def} VAR y : DINT := 0; (*Pragma to avoid confusion with var blocks *) (*Pragma is optional once in body*) VAR x := 0; (*Implicit type declaration to DINT*) FOR VAR x := 0 TO 10 BEGIN (*Implicit variable declaration as loop counter*) END_FORRef: #973