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Use a more accurate range for CE Combine methods #18394

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Merged
merged 11 commits into from
Mar 31, 2025
Merged

Use a more accurate range for CE Combine methods #18394

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4c71580
Use a more accurate range for ce Combine methods
Mar 19, 2025
9c55a8b
fix test
Mar 20, 2025
6f3945f
Merge branch 'main' into improve-ce-combine-method-range
edgarfgp Mar 20, 2025
abdf473
one more test
Mar 21, 2025
a3af8dd
Merge branch 'improve-ce-combine-method-range' of github.com:edgarfgp…
Mar 21, 2025
3a19b97
more tests
Mar 25, 2025
004b5b7
release notes
Mar 25, 2025
f91b0c6
simplify check and add more tests
Mar 25, 2025
e39e950
Merge branch 'main' into improve-ce-combine-method-range
edgarfgp Mar 26, 2025
588b8f4
Merge branch 'main' into improve-ce-combine-method-range
edgarfgp Mar 26, 2025
4e61208
Merge branch 'main' into improve-ce-combine-method-range
edgarfgp Mar 27, 2025
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1 change: 1 addition & 0 deletions docs/release-notes/.FSharp.Compiler.Service/9.0.300.md
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
* Symbols: Add FSharpAssembly.IsFSharp ([PR #18290](https://github.com/dotnet/fsharp/pull/18290))
* Type parameter constraint `null` in generic code will now automatically imply `not struct` ([Issue #18320](https://github.com/dotnet/fsharp/issues/18320), [PR #18323](https://github.com/dotnet/fsharp/pull/18323))
* Add a switch to determine whether to generate a default implementation body for overridden method when completing. [PR #18341](https://github.com/dotnet/fsharp/pull/18341)
* Use a more accurate range for CE Combine methods. [PR #18394](https://github.com/dotnet/fsharp/pull/18394)


### Changed
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11 changes: 9 additions & 2 deletions src/Compiler/Checking/Expressions/CheckComputationExpressions.fs
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Expand Up @@ -1612,6 +1612,12 @@ let rec TryTranslateComputationExpression
// "cexpr; cexpr" is treated as builder.Combine(cexpr1, cexpr1)
let m1 = rangeForCombine innerComp1

let combineDelayRange =
match innerComp2 with
| SynExpr.YieldOrReturn(trivia = yieldOrReturn) -> yieldOrReturn.YieldOrReturnKeyword
| SynExpr.YieldOrReturnFrom(trivia = yieldOrReturnFrom) -> yieldOrReturnFrom.YieldOrReturnFromKeyword
| expr -> expr.Range

if
isNil (
TryFindIntrinsicOrExtensionMethInfo
Expand All @@ -1624,7 +1630,8 @@ let rec TryTranslateComputationExpression
ceenv.builderTy
)
then
error (Error(FSComp.SR.tcRequireBuilderMethod ("Combine"), m))

error (Error(FSComp.SR.tcRequireBuilderMethod "Combine", combineDelayRange))

if
isNil (
Expand All @@ -1638,7 +1645,7 @@ let rec TryTranslateComputationExpression
ceenv.builderTy
)
then
error (Error(FSComp.SR.tcRequireBuilderMethod ("Delay"), m))
error (Error(FSComp.SR.tcRequireBuilderMethod "Delay", combineDelayRange))

let combineCall =
mkSynCall
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