Derek M Jones <de...@knosof.co.uk> writes:
>Syntax error recovery was much better back in the 1960s and 1970 because job
>turn around time was so long.
>When PCs became available compiler error recovery got seriously worse.
It's really heavily influenced by the parser being used, with a handcoded
LL(1) parser you can include all sorts of fancy error processing and recovery,
while yacc and friends just aren't amenable to effective error recovery or
reporting, and tools built on them have typically perpetuated the intransience
of the parser.
OTOH if you build a tool from the outset to address this, you get stuff like
what clang does:
By extension, gcc has slowly got better error diagnostics as it's had to lift
its game to keep up with clang.
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