Enforce integral values in slice ranges

1 files changed, 4 insertions, 4 deletions

diff --git a/boot/lexer.ll b/boot/lexer.ll
index 89fe85c..ba54433 100644
--- a/boot/lexer.ll
+++ b/boot/lexer.ll
@@ -174,7 +174,7 @@ to {
     return yy::parser::make_TRAIT(yytext + 1, this->location);
 }
 [[:digit:]]+u {
-    unsigned long result = strtoul(yytext, NULL, 10);
+    std::uint64_t result = strtoull(yytext, NULL, 10);
 
     if (errno == ERANGE)
     {
@@ -186,7 +186,7 @@ to {
     }
 }
 [[:digit:]]+ {
-    long result = strtol(yytext, NULL, 10);
+    std::int64_t result = strtoll(yytext, NULL, 10);
 
     if (errno == ERANGE)
     {
@@ -198,7 +198,7 @@ to {
     }
 }
 0[x|X]{HIGIT}+ {
-    unsigned long result = strtoul(yytext, NULL, 16);
+    std::uint64_t result = strtoull(yytext, NULL, 16);
 
     if (errno == ERANGE)
     {
@@ -210,7 +210,7 @@ to {
     }
 }
 0[b|B]{BIGIT}+ {
-    unsigned long result = strtoul(yytext, NULL, 2);
+    std::uint64_t result = strtoull(yytext, NULL, 2);
 
     if (errno == ERANGE)
     {