[abb] fallback to full context with dataList

[kaby76]

Generate a parser for abb, build, and perform a trperf. You find a fallback to full context for dataList.

07/31-14:13:39 ~/issues/g4-current/abb
$ trgen -t CSharp
C:\msys64\home\Kenne\issues\g4-current\abb
CSharp  abbParser.g4 success 0.0376472
CSharp  abbLexer.g4 success 0.0081164
Rendering template file from CSharp/Other.csproj to ./Generated-CSharp/Other.csproj
Rendering template file from CSharp/st.build.ps1 to ./Generated-CSharp/st.build.ps1
Rendering template file from CSharp/st.build.sh to ./Generated-CSharp/st.build.sh
Rendering template file from CSharp/st.clean.ps1 to ./Generated-CSharp/st.clean.ps1
Rendering template file from CSharp/st.clean.sh to ./Generated-CSharp/st.clean.sh
Rendering template file from CSharp/st.Encodings.cs to ./Generated-CSharp/st.Encodings.cs
Rendering template file from CSharp/st.ErrorListener.cs to ./Generated-CSharp/st.ErrorListener.cs
Rendering template file from CSharp/st.makefile to ./Generated-CSharp/st.makefile
Rendering template file from CSharp/st.perf.sh to ./Generated-CSharp/st.perf.sh
Rendering template file from CSharp/st.ProfilingCommonTokenStream.cs to ./Generated-CSharp/st.ProfilingCommonTokenStream.cs
Rendering template file from CSharp/st.run.ps1 to ./Generated-CSharp/st.run.ps1
Rendering template file from CSharp/st.run.sh to ./Generated-CSharp/st.run.sh
Rendering template file from CSharp/st.test-cover.sh to ./Generated-CSharp/st.test-cover.sh
Rendering template file from CSharp/st.Test.cs to ./Generated-CSharp/st.Test.cs
Rendering template file from CSharp/st.test.ps1 to ./Generated-CSharp/st.test.ps1
Rendering template file from CSharp/st.test.sh to ./Generated-CSharp/st.test.sh
Rendering template file from CSharp/Test.csproj.st to ./Generated-CSharp/Test.csproj.st
Copying source file from C:/msys64/home/Kenne/issues/g4-current/abb/readme.txt to ./Generated-CSharp/readme.txt
Copying source file from C:/msys64/home/Kenne/issues/g4-current/abb/o.pt to ./Generated-CSharp/o.pt
Copying source file from C:/msys64/home/Kenne/issues/g4-current/abb/desc.xml to ./Generated-CSharp/desc.xml
Copying source file from C:/msys64/home/Kenne/issues/g4-current/abb/abbParser.g4 to ./Generated-CSharp/abbParser.g4
Copying source file from C:/msys64/home/Kenne/issues/g4-current/abb/abbLexer.g4 to ./Generated-CSharp/abbLexer.g4
07/31-14:13:47 ~/issues/g4-current/abb
$ cd Generated-CSharp/
07/31-14:13:50 ~/issues/g4-current/abb/Generated-CSharp
$ make
bash build.sh
  Determining projects to restore...
  Restored C:\msys64\home\Kenne\issues\g4-current\abb\Generated-CSharp\Test.csproj (in 791 ms).
  Determining projects to restore...
  All projects are up-to-date for restore.
  Test -> C:\msys64\home\Kenne\issues\g4-current\abb\Generated-CSharp\bin\Debug\net8.0\Test.dll

Build succeeded.
    0 Warning(s)
    0 Error(s)

Time Elapsed 00:00:04.00
07/31-14:13:57 ~/issues/g4-current/abb/Generated-CSharp
$ trperf -c Fdrf ../examples/robdata.sys -h | column -t
Time to parse: 00:00:00.0369238
File                     Decision  Rule               Fallback
../examples/robdata.sys  0         moduleData         0
../examples/robdata.sys  1         moduleName         0
../examples/robdata.sys  2         dataList           0
../examples/robdata.sys  3         dataList           1
../examples/robdata.sys  4         procedure          0
../examples/robdata.sys  5         procCall           0
../examples/robdata.sys  6         procParameter      0
../examples/robdata.sys  7         functionCall       0
../examples/robdata.sys  8         functionParameter  0
../examples/robdata.sys  9         declaration        0
../examples/robdata.sys  10        init_              0
../examples/robdata.sys  11        expression         0
../examples/robdata.sys  12        array_             0
../examples/robdata.sys  13        primitive          0
../examples/robdata.sys  14        primitive          0
../examples/robdata.sys  15        primitive          0
07/31-14:14:04 ~/issues/g4-current/abb/Generated-CSharp

dataList has a fallback to full context. This is because dataList => NEWLINE, and FOLLOW(dataList) = NEWLINE.

Removing the first alt in dataList for NEWLINE will remove the full context fallback.