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improve the error messages when overloaded '.' operators are involved

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This commit is contained in:
Araq
2017-11-30 12:55:28 +01:00
parent 49870579cc
commit 34ac04f705
1 changed files with 3 additions and 1 deletions
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4
compiler/semcall.nim
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@@ -179,7 +179,7 @@ proc notFoundError*(c: PContext, n: PNode, errors: CandidateErrors) =
add(result, ')')
if candidates != "":
add(result, "\n" & msgKindToString(errButExpected) & "\n" & candidates)
localError(n.info, errGenerated, result)
localError(n.info, errGenerated, result & "\nexpression: " & $n)
proc bracketNotFoundError(c: PContext; n: PNode) =
var errors: CandidateErrors = @[]
@@ -238,6 +238,7 @@ proc resolveOverloads(c: PContext, n, orig: PNode,
# leave the op head symbol empty,
# we are going to try multiple variants
errors = nil
n.sons[0..1] = [nil, n[1], f]
orig.sons[0..1] = [nil, orig[1], f]
@@ -254,6 +255,7 @@ proc resolveOverloads(c: PContext, n, orig: PNode,
tryOp "."
elif nfDotSetter in n.flags and f.kind == nkIdent and n.len == 3:
errors = nil
# we need to strip away the trailing '=' here:
let calleeName = newIdentNode(getIdent(f.ident.s[0..f.ident.s.len-2]), n.info)
let callOp = newIdentNode(getIdent".=", n.info)