.is_vararg should be a boolean

3 files changed, 4 insertions, 4 deletions

diff --git a/src/lfunc.js b/src/lfunc.js
index 40c0905..7e324da 100644
--- a/src/lfunc.js
+++ b/src/lfunc.js
@@ -17,7 +17,7 @@ class Proto {
         this.lineinfo = [];       // map from opcodes to source lines (debug information)
         this.upvalues = [];       // upvalue information
         this.numparams = 0;       // number of fixed parameters
-        this.is_vararg = 0;
+        this.is_vararg = false;
         this.maxstacksize = 0;    // number of registers needed by this function
         this.locvars = [];        // information about local variables (debug information)
         this.linedefined = 0;     // debug information
diff --git a/src/lparser.js b/src/lparser.js
index 3c50163..324425c 100644
--- a/src/lparser.js
+++ b/src/lparser.js
@@ -745,7 +745,7 @@ const parlist = function(ls) {
     let fs = ls.fs;
     let f = fs.f;
     let nparams = 0;
-    f.is_vararg = 0;
+    f.is_vararg = false;
     if (ls.t.token !== char[')']) {  /* is 'parlist' not empty? */
         do {
             switch (ls.t.token) {
@@ -756,7 +756,7 @@ const parlist = function(ls) {
                 }
                 case R.TK_DOTS: {  /* param -> '...' */
                     llex.luaX_next(ls);
-                    f.is_vararg = 1;  /* declared vararg */
+                    f.is_vararg = true;  /* declared vararg */
                     break;
                 }
                 default: llex.luaX_syntaxerror(ls, defs.to_luastring("<name> or '...' expected", true));
diff --git a/src/lundump.js b/src/lundump.js
index 3c35710..eeb77f4 100644
--- a/src/lundump.js
+++ b/src/lundump.js
@@ -212,7 +212,7 @@ class BytecodeParser {
         f.linedefined = this.readInt();
         f.lastlinedefined = this.readInt();
         f.numparams = this.readByte();
-        f.is_vararg = this.readByte();
+        f.is_vararg = this.readByte() !== 0;
         f.maxstacksize = this.readByte();
         this.readCode(f);
         this.readConstants(f);