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[flang] Support resolution of provenances in messages from CharBlocks to ProvenanceRanges 

Original-commit: flang-compiler/f18@aa57287959
Reviewed-on: https://github.com/flang-compiler/f18/pull/151
Tree-same-pre-rewrite: false
This commit is contained in:
peter klausler 2018-07-27 14:01:19 -07:00
parent 28ed1390cd
commit 108e9b4678
2 changed files with 20 additions and 0 deletions
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18
flang/lib/parser/message.cc
View File

@ -134,6 +134,18 @@ std::string Message::ToString() const {
text_);
}
void Message::ResolveProvenances(const CookedSource &cooked) {
if (CharBlock * cb{std::get_if<CharBlock>(&location_)}) {
if (std::optional<ProvenanceRange> resolved{
cooked.GetProvenanceRange(*cb)}) {
location_ = *resolved;
}
}
if (Message * attachment{attachment_.get()}) {
attachment->ResolveProvenances(cooked);
}
}
std::optional<ProvenanceRange> Message::GetProvenanceRange(
const CookedSource &cooked) const {
return std::visit(common::visitors{[&](const CharBlock &cb) {
@ -221,6 +233,12 @@ void Messages::Copy(const Messages &that) {
}
}
void Messages::ResolveProvenances(const CookedSource &cooked) {
for (Message &m : messages_) {
m.ResolveProvenances(cooked);
}
}
void Messages::Emit(
std::ostream &o, const CookedSource &cooked, bool echoSourceLines) const {
std::vector<const Message *> sorted;

2
flang/lib/parser/message.h
View File

@ -144,6 +144,7 @@ public:
bool SortBefore(const Message &that) const;
bool IsFatal() const;
std::string ToString() const;
void ResolveProvenances(const CookedSource &);
std::optional<ProvenanceRange> GetProvenanceRange(const CookedSource &) const;
void Emit(
std::ostream &, const CookedSource &, bool echoSourceLine = true) const;
@ -207,6 +208,7 @@ public:
void Incorporate(Messages &);
void Copy(const Messages &);
void ResolveProvenances(const CookedSource &);
void Emit(std::ostream &, const CookedSource &cooked,
bool echoSourceLines = true) const;