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Improve error locations when lexing number literals

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Dennis Korpel 2025-01-16 17:45:18 +01:00 • committed by The Dlang Bot
parent 924ba452eb
commit a78abc4328
2 changed files with 19 additions and 14 deletions
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14
compiler/src/dmd/lexer.d
View file

@ -2571,19 +2571,19 @@ class Lexer
Ldone: Ldone:
if (errorDigit) if (errorDigit)
{ {
error(token.loc, "%s digit expected, not `%c`", base == 2 ? "binary".ptr : error(scanloc, "%s digit expected, not `%c`", base == 2 ? "binary".ptr :
base == 8 ? "octal".ptr : base == 8 ? "octal".ptr :
"decimal".ptr, errorDigit); "decimal".ptr, errorDigit);
err = true; err = true;
} }
if (overflow && !err) if (overflow && !err)
{ {
error("integer overflow"); error(scanloc, "integer overflow");
err = true; err = true;
} }
if ((base == 2 && !anyBinaryDigitsNoSingleUS) || if ((base == 2 && !anyBinaryDigitsNoSingleUS) ||
(base == 16 && !anyHexDigitsNoSingleUS)) (base == 16 && !anyHexDigitsNoSingleUS))
error(token.loc, "`%.*s` isn't a valid integer literal, use `%.*s0` instead", cast(int)(p - start), start, 2, start); error(scanloc, "`%.*s` isn't a valid integer literal, use `%.*s0` instead", cast(int)(p - start), start, 2, start);
t.unsvalue = n; t.unsvalue = n;
@ -2612,7 +2612,7 @@ class Lexer
goto L1; goto L1;
case 'l': case 'l':
f = FLAGS.long_; f = FLAGS.long_;
error("lower case integer suffix 'l' is not allowed. Please use 'L' instead"); error(scanloc, "lower case integer suffix 'l' is not allowed. Please use 'L' instead");
goto L1; goto L1;
case 'L': case 'L':
f = FLAGS.long_; f = FLAGS.long_;
@ -2620,7 +2620,7 @@ class Lexer
p++; p++;
if ((flags & f) && !err) if ((flags & f) && !err)
{ {
error("repeated integer suffix `%c`", p[-1]); error(scanloc, "repeated integer suffix `%c`", p[-1]);
err = true; err = true;
} }
flags = cast(FLAGS)(flags | f); flags = cast(FLAGS)(flags | f);
@ -2634,9 +2634,9 @@ class Lexer
{ {
if (err) if (err)
// can't translate invalid octal value, just show a generic message // can't translate invalid octal value, just show a generic message
error("octal literals larger than 7 are no longer supported"); error(scanloc, "octal literals larger than 7 are no longer supported");
else else
error(token.loc, "octal literals `0%llo%.*s` are no longer supported, use `std.conv.octal!\"%llo%.*s\"` instead", error(scanloc, "octal literals `0%llo%.*s` are no longer supported, use `std.conv.octal!\"%llo%.*s\"` instead",
n, cast(int)(p - psuffix), psuffix, n, cast(int)(p - psuffix), psuffix); n, cast(int)(p - psuffix), psuffix, n, cast(int)(p - psuffix), psuffix);
} }
TOK result; TOK result;

19
compiler/test/fail_compilation/lexer23465.d
View file

@ -1,13 +1,16 @@
/* /*
TEST_OUTPUT: TEST_OUTPUT:
--- ---
fail_compilation/lexer23465.d(19): Error: character 0x1f37a is not allowed as a continue character in an identifier fail_compilation/lexer23465.d(22): Error: character 0x1f37a is not allowed as a continue character in an identifier
fail_compilation/lexer23465.d(19): Error: character 0x1f37a is not a valid token fail_compilation/lexer23465.d(22): Error: character 0x1f37a is not a valid token
fail_compilation/lexer23465.d(20): Error: character '\' is not a valid token fail_compilation/lexer23465.d(23): Error: character '\' is not a valid token
fail_compilation/lexer23465.d(21): Error: unterminated /+ +/ comment fail_compilation/lexer23465.d(24): Error: octal digit expected, not `9`
fail_compilation/lexer23465.d(22): Error: found `End of File` instead of array initializer fail_compilation/lexer23465.d(24): Error: octal literals larger than 7 are no longer supported
fail_compilation/lexer23465.d(22): Error: semicolon needed to end declaration of `arr`, instead of `End of File` fail_compilation/lexer23465.d(25): Error: integer overflow
fail_compilation/lexer23465.d(17): `arr` declared here fail_compilation/lexer23465.d(26): Error: unterminated /+ +/ comment
fail_compilation/lexer23465.d(27): Error: found `End of File` instead of array initializer
fail_compilation/lexer23465.d(27): Error: semicolon needed to end declaration of `arr`, instead of `End of File`
fail_compilation/lexer23465.d(20): `arr` declared here
--- ---
*/ */
@ -18,4 +21,6 @@ int[] arr = [
0, 0,
x🍺, x🍺,
3\, 3\,
09,
9999999999999999999999,
5, /+ 5, /+