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Using printNoGC to simplify @nogc error message building.

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This commit is contained in:
Ferdinand Majerech 2014-07-25 16:53:40 +02:00
parent 2420b57281
commit 46255846e6
1 changed files with 4 additions and 17 deletions
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21
source/dyaml/scanner.d
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@ -27,6 +27,7 @@ import std.utf;
import dyaml.fastcharsearch;
import dyaml.escapes;
import dyaml.exception;
import dyaml.nogcutil;
import dyaml.queue;
import dyaml.reader;
import dyaml.style;
@ -1405,7 +1406,6 @@ final class Scanner
dchar[] hex = reader_.get(hexLength);
bool overflow;
import dyaml.nogcutil;
const decoded = cast(dchar)parseNoGC!int(hex, 16u, overflow);
if(overflow)
{
@ -1423,23 +1423,10 @@ final class Scanner
}
else
{
// Build an error message about the unsupported escape character
// without breaking purity or allocating.
const msg = "found unsupported escape character: ";
auto msgChars = msg.length;
msgBuffer_[0 .. msgChars] = msg;
if(c > char.max)
{
const unknown = "<unknown>";
msgBuffer_[msgChars .. msgChars + unknown.length] = unknown;
msgChars += unknown.length;
}
else
{
msgBuffer_[msgChars++] = cast(char)c;
}
auto msg = msgBuffer_.printNoGC("found unsupported escape "
"character", c);
setError("While scanning a double quoted scalar", startMark,
cast(string)msgBuffer_[0 .. msgChars], reader_.mark);
cast(string)msg, reader_.mark);
return;
}
}