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identifiers: dashes are letters.

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Dashes can now start identifiers (symbols and directives).

	* src/scan-gram.l ({letter}): Add dash.
	({id}): Remove it.
	* tests/input.at (Symbols): Adjust.
	Remove stray comment.
	* tests/regression.at (Invalid inputs): Adjust error message.
	* doc/bison.texinfo (Symbols): Update.
This commit is contained in:
Akim Demaille
2009-05-04 21:15:17 +02:00
parent 98a345a219
commit cdf3f11338
6 changed files with 33 additions and 18 deletions
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4
src/scan-gram.l
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@@ -98,8 +98,8 @@ static void unexpected_newline (boundary, char const *);
/* Strings and characters in code. */
%x SC_STRING SC_CHARACTER
letter [.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_]
id {letter}({letter}|[0-9]|-)*
letter [-.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_]
id {letter}({letter}|[0-9])*
directive %{id}
int [0-9]+