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-rw-r--r--src/lobject.js12
1 files changed, 10 insertions, 2 deletions
diff --git a/src/lobject.js b/src/lobject.js
index 18876a9..4e0fa6f 100644
--- a/src/lobject.js
+++ b/src/lobject.js
@@ -350,9 +350,17 @@ const lua_strx2number = function(s) {
return s.length === 0 ? luaconf.ldexp(r, e) : null; /* Only valid if nothing left is s*/
};
+const lua_str2number = function(s) {
+ /* parseFloat ignores trailing junk, validate with regex first */
+ let str = defs.to_jsstring(s);
+ if (!/^[\t\v\f \n\r]*[\+\-]?([0-9]+\.?[0-9]*|\.[0-9]*)([eE][\+\-]?[0-9]+)?[\t\v\f \n\r]*$/.test(str))
+ return null;
+ let flt = parseFloat(str);
+ return !isNaN(flt) ? flt : null;
+};
+
const l_str2dloc = function(s, mode) {
- let flt = mode === 'x' ? lua_strx2number(s) : parseFloat(defs.to_jsstring(s));
- return !isNaN(flt) ? flt : null; /* OK if no trailing characters */
+ return mode === 'x' ? lua_strx2number(s) : lua_str2number(s);
};
const l_str2d = function(s) {