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Enhance 'but got x' output on parse error

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This commit is contained in:
Sam Vervaeck 2023-05-26 23:48:58 +02:00
parent 91c4b75bc1
commit bed5d3cbc4
Signed by: samvv
SSH key fingerprint: SHA256:dIg0ywU1OP+ZYifrYxy8c5esO72cIKB+4/9wkZj1VaY
1 changed files with 15 additions and 3 deletions
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18
src/Diagnostics.cc
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@ -112,6 +112,18 @@ namespace bolt {
}
}
static std::string describe(Token* T) {
switch (T->getKind()) {
case NodeKind::LineFoldEnd:
case NodeKind::BlockStart:
case NodeKind::BlockEnd:
case NodeKind::EndOfFile:
return describe(T->getKind());
default:
return "'" + T->getText() + "'";
}
}
std::string describe(const Type* Ty) {
switch (Ty->getKind()) {
case TypeKind::Var:
@ -480,9 +492,9 @@ namespace bolt {
write(describe(Prev));
break;
}
write(" but instead got '");
write(E.Actual->getText());
write("'\n\n");
write(" but instead got ");
write(describe(E.Actual));
write("\n\n");
writeExcerpt(E.File, E.Actual->getRange(), E.Actual->getRange(), Color::Red);
write("\n");
break;