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-rw-r--r--parser.cpp10
1 files changed, 3 insertions, 7 deletions
diff --git a/parser.cpp b/parser.cpp
index 7483847..a00f3f4 100644
--- a/parser.cpp
+++ b/parser.cpp
@@ -43,7 +43,7 @@ void Tokenizor::set_stream(FILE *_stream) {
} while (0)
#define TOP (*(buff_ptr - 1))
-void str_to_lower(string &str) {
+string str_to_lower(string str) {
size_t len = str.length();
for (size_t i = 0; i < len; i++)
if ('A' <= str[i] && str[i] <= 'Z')
@@ -112,11 +112,7 @@ bool Tokenizor::get_token(string &ret) {
else
*buff_ptr++ = ch;
}
- if (flag)
- {
- str_to_lower(ret);
- return true;
- }
+ if (flag) return true;
}
}
if (buff_ptr != buff) POP;
@@ -135,7 +131,7 @@ EvalObj *ASTGenerator::to_obj(const string &str) {
if ((res = RealNumObj::from_string(str))) return res;
if ((res = CompNumObj::from_string(str))) return res;
if ((res = StrObj::from_string(str))) return res;
- return new SymObj(str); // otherwise we assume it a symbol
+ return new SymObj(str_to_lower(str)); // otherwise we assume it a symbol
}
#define TO_EVAL(ptr) \