Content of syntax regions

For my DSL I have a syntax region for text between a pair of delimiters inside which other syntax items should come in a specific order, say first dslFoo, then dslBar, then dslBaz.

I can use nextgroup=dslBar to declare which item should come after dslFoo and so on, but how do I declare that the first item inside the region must be a dslFoo? Is there a better approach than defining the opening delimiter as a match item to be followed by a dslFoo item and so on, but doesn't that prevent me from using contains and containedin? I wish I could do something like firstcontained=dslFoo on the region.

What is the best way to do this?

/bpj

Den lör 18 juni 2022 14:58BPJ <bpj@melroch.se> skrev:

The subject line says it all: I'm trying to use syntax clusters and wonder if clusters may contain other clusters, i.e. should this work?

syn cluster mydslAnyValue contains=@mydslValue,@mydslContainer

syn cluster mydslAllValues contains=@mydslAnyValue,mydslConstant

TIA,

/bpj

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