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-rw-r--r--src/libexpr/lexer.l7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libexpr/lexer.l b/src/libexpr/lexer.l
index 478f41641..701c01aff 100644
--- a/src/libexpr/lexer.l
+++ b/src/libexpr/lexer.l
@@ -86,6 +86,7 @@ static Expr * unescapeStr(SymbolTable & symbols, const char * s)
ID [a-zA-Z\_][a-zA-Z0-9\_\'\-]*
INT [0-9]+
+FLOAT (([1-9][0-9]*\.[0-9]*)|(0?\.[0-9]+))([Ee][+-]?[0-9]+)?
PATH [a-zA-Z0-9\.\_\-\+]*(\/[a-zA-Z0-9\.\_\-\+]+)+
HPATH \~(\/[a-zA-Z0-9\.\_\-\+]+)+
SPATH \<[a-zA-Z0-9\.\_\-\+]+(\/[a-zA-Z0-9\.\_\-\+]+)*\>
@@ -126,6 +127,12 @@ or { return OR_KW; }
throw ParseError(format("invalid integer ‘%1%’") % yytext);
return INT;
}
+{FLOAT} { errno = 0;
+ yylval->nf = strtod(yytext, 0);
+ if (errno != 0)
+ throw ParseError(format("invalid float ‘%1%’") % yytext);
+ return FLOAT;
+ }
\$\{ { PUSH_STATE(INSIDE_DOLLAR_CURLY); return DOLLAR_CURLY; }
}