7 files changed, 110 insertions, 13 deletions

diff --git a/makefile b/makefile
index d7e85d3..d1b074a 100644
--- a/makefile
+++ b/makefile
@@ -391,6 +391,7 @@ test: debug
         @./$(BIN_NAME) $(TEST_INPUT)/try_catch.yue -o $(TEST_OUTPUT)/5.1/try_catch.lua --target=5.1
         @./$(BIN_NAME) $(TEST_INPUT)/attrib.yue -o $(TEST_OUTPUT)/5.1/attrib.lua --target=5.1
         @./$(BIN_NAME) $(TEST_INPUT)/test/loops_spec.yue -o $(TEST_OUTPUT)/5.1/test/loops_spec.lua --target=5.1
+        @./$(BIN_NAME) $(TEST_INPUT)/literals.yue -o $(TEST_OUTPUT)/5.1/literals.lua --target=5.1
         @./$(BIN_NAME) -e spec/inputs/compile_doc.yue $(TEST_OUTPUT)
         @echo -en "Compile time: "
         @$(END_TIME)
@@ -409,6 +410,7 @@ gen: release
         @./$(BIN_NAME) $(TEST_INPUT)/loops.yue -o $(GEN_OUTPUT)/5.1/loops.lua --target=5.1
         @./$(BIN_NAME) $(TEST_INPUT)/try_catch.yue -o $(GEN_OUTPUT)/5.1/try_catch.lua --target=5.1
         @./$(BIN_NAME) $(TEST_INPUT)/attrib.yue -o $(GEN_OUTPUT)/5.1/attrib.lua --target=5.1
+        @./$(BIN_NAME) $(TEST_INPUT)/literals.yue -o $(GEN_OUTPUT)/5.1/literals.lua --target=5.1
         @./$(BIN_NAME) $(TEST_INPUT)/test/loops_spec.yue -o $(GEN_OUTPUT)/5.1/test/loops_spec.lua --target=5.1
         @./$(BIN_NAME) -e spec/inputs/compile_doc.yue $(GEN_OUTPUT)
         @echo -en "Compile time: "
diff --git a/spec/inputs/literals.yue b/spec/inputs/literals.yue
index 6b666f0..32cf7e7 100644
--- a/spec/inputs/literals.yue
+++ b/spec/inputs/literals.yue
@@ -10,10 +10,19 @@ _ = {
         0xfF2323
         0xabcdef
         0xABCDEF
+        0XFB_C4_00
         0x123p-123
         0xABCP+321
         0x.1p-111
         0xA_B_CP-3_2_1
+        0x0.1E
+        0xA23p-4
+        0X1.921FB54442D18P+1
+
+        0b01
+        0b00_00_10_00
+        0B1111
+        0B00_11_00_10_01
 
         .2323
         .2323e-1
diff --git a/spec/outputs/5.1/literals.lua b/spec/outputs/5.1/literals.lua
new file mode 100644
index 0000000..36c705a
--- /dev/null
+++ b/spec/outputs/5.1/literals.lua
@@ -0,0 +1,44 @@
+local _ = {
+        121,
+        121.2323,
+        121.2323e-1,
+        121.2323e13434,
+        2323E34,
+        0x12323,
+        0xfF2323,
+        0xabcdef,
+        0xABCDEF,
+        0XFBC400,
+        2.7365508487142853e-35,
+        0xABCP321,
+        2.4074124304840448e-35,
+        6.4326233113470805e-94,
+        0.1171875,
+        162.1875,
+        3.1415926535897931,
+        1,
+        8,
+        15,
+        201,
+        .2323,
+        .2323e-1,
+        .2323e13434,
+        1LL,
+        1ULL,
+        9332LL,
+        9332,
+        0x2aLL,
+        0x2aULL,
+        1000000.0000001,
+        1234e5678,
+        1234E-5678,
+        0xDEADBEEF,
+        [[ hello world ]],
+        [=[ hello world ]=],
+        [====[ hello world ]====],
+        "another world",
+        'what world',
+        "\n     hello world\n   ",
+        'yeah\n what is going on\n      here is something cool'
+}
+return nil
diff --git a/spec/outputs/literals.lua b/spec/outputs/literals.lua
index a578d58..6de5411 100644
--- a/spec/outputs/literals.lua
+++ b/spec/outputs/literals.lua
@@ -8,10 +8,18 @@ local _ = {
         0xfF2323,
         0xabcdef,
         0xABCDEF,
+        0XFBC400,
         0x123p-123,
         0xABCP+321,
         0x.1p-111,
         0xABCP-321,
+        0x0.1E,
+        0xA23p-4,
+        0X1.921FB54442D18P+1,
+        1,
+        8,
+        15,
+        201,
         .2323,
         .2323e-1,
         .2323e13434,
diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index 68ce9b5..d5db8a1 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -16,6 +16,8 @@ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLI
 #include <unordered_set>
 #include <variant>
 #include <vector>
+#include <iomanip>
+#include <ostream>
 
 #include "yuescript/yue_compiler.h"
 #include "yuescript/yue_parser.h"
@@ -75,7 +77,7 @@ static std::unordered_set<std::string> Metamethods = {
         "close"s // Lua 5.4
 };
 
-const std::string_view version = "0.27.4"sv;
+const std::string_view version = "0.27.5"sv;
 const std::string_view extension = "yue"sv;
 
 class CompileError : public std::logic_error {
@@ -7144,6 +7146,33 @@ private:
         void transformNum(Num_t* num, str_list& out) {
                 std::string numStr = _parser.toString(num);
                 numStr.erase(std::remove(numStr.begin(), numStr.end(), '_'), numStr.end());
+                if (numStr.size() > 2 && numStr[0] == '0') {
+                        if (numStr[1] == 'b' || numStr[1] == 'B') {
+                                std::string binaryPart = numStr.substr(2);
+                                try {
+                                        unsigned long long value = std::stoull(binaryPart, nullptr, 2);
+                                        numStr = std::to_string(value);
+                                } catch (const std::exception& e) {
+                                        throw CompileError("invalid binary literal"sv, num);
+                                }
+                        } else if (getLuaTarget(num) < 502) {
+                                if (numStr[1] == 'x' || numStr[1] == 'X') {
+                                        if (numStr.find_first_of(".-"sv) != std::string::npos) {
+                                                std::stringstream ss(numStr);
+                                                double v;
+                                                ss >> std::hexfloat >> v;
+                                                if (ss.fail() || !std::isfinite(v)) {
+                                                        throw CompileError("invalid hex‑float literal"sv, num);
+                                                }
+                                                std::ostringstream outSs;
+                                                outSs << std::setprecision(17) << v;
+                                                numStr = outSs.str();
+                                        } else {
+                                                numStr.erase(std::remove(numStr.begin(), numStr.end(), '+'), numStr.end());
+                                        }
+                                }
+                        }
+                }
                 out.push_back(numStr);
         }
 
diff --git a/src/yuescript/yue_parser.cpp b/src/yuescript/yue_parser.cpp
index ceb1f7c..77c5901 100644
--- a/src/yuescript/yue_parser.cpp
+++ b/src/yuescript/yue_parser.cpp
@@ -67,24 +67,28 @@ YueParser::YueParser() {
         num_char = range('0', '9') >> *(range('0', '9') | '_' >> and_(range('0', '9')));
         num_char_hex = range('0', '9') | range('a', 'f') | range('A', 'F');
         num_lit = num_char_hex >> *(num_char_hex | '_' >> and_(num_char_hex));
+        num_bin_lit = set("01") >> *(set("01") | '_' >> and_(set("01")));
         Num =
-                "0x" >> (
-                        +num_lit >> (
-                                '.' >> +num_lit >> -num_expo_hex |
-                                num_expo_hex |
-                                lj_num |
-                                true_()
-                        ) | (
-                                '.' >> +num_lit >> -num_expo_hex
-                        )
+                '0' >> (
+                        set("xX") >> (
+                                num_lit >> (
+                                        '.' >> num_lit >> -num_expo_hex |
+                                        num_expo_hex |
+                                        lj_num |
+                                        true_()
+                                ) | (
+                                        '.' >> num_lit >> -num_expo_hex
+                                )
+                        ) |
+                        set("bB") >> num_bin_lit
                 ) |
-                +num_char >> (
-                        '.' >> +num_char >> -num_expo |
+                num_char >> (
+                        '.' >> num_char >> -num_expo |
                         num_expo |
                         lj_num |
                         true_()
                 ) |
-                '.' >> +num_char >> -num_expo;
+                '.' >> num_char >> -num_expo;
 
         cut = false_();
         Seperator = true_();
diff --git a/src/yuescript/yue_parser.h b/src/yuescript/yue_parser.h
index 02292e1..7281ec3 100644
--- a/src/yuescript/yue_parser.h
+++ b/src/yuescript/yue_parser.h
@@ -164,6 +164,7 @@ private:
         NONE_AST_RULE(num_char);
         NONE_AST_RULE(num_char_hex);
         NONE_AST_RULE(num_lit);
+        NONE_AST_RULE(num_bin_lit);
         NONE_AST_RULE(num_expo);
         NONE_AST_RULE(num_expo_hex);
         NONE_AST_RULE(lj_num);