[C++] Disallow trailing commas in function call argument lists in Pratt parser - #2234
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…tt parser According to the CEL grammar specification, trailing commas are only permitted in collection literals (lists, maps, structs), not in function call argument lists (`exprList`). Disallows trailing commas in `PrattParserWorker::ParseArguments` and adds test cases to verify syntax error reporting. PiperOrigin-RevId: 972728668
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[C++] Disallow trailing commas in function call argument lists in Pratt parser
According to the CEL grammar specification, trailing commas are only permitted in collection literals (lists, maps, structs), not in function call argument lists (
exprList).Disallows trailing commas in
PrattParserWorker::ParseArgumentsand adds test cases to verify syntax error reporting.