simplified default constructor generation

[swftools.git] / lib / as3 / parser.y

diff --git a/lib/as3/parser.y b/lib/as3/parser.y
index 82d47fb..5aeee28 100644 (file)
--- a/lib/as3/parser.y
+++ b/lib/as3/parser.y
@@ -87,6 +87,7 @@
 %token<token> KW_SET "set"
 %token<token> KW_VOID "void"
 %token<token> KW_STATIC
+%token<token> KW_INSTANCEOF "instanceof"
 %token<token> KW_IMPORT "import"
 %token<token> KW_RETURN "return"
 %token<token> KW_TYPEOF "typeof"
@@ -293,7 +294,7 @@ DECLARE_LIST(state);
     namespace_t m##_ns;\
     registry_fill_multiname(&m, &m##_ns, x);
                     
-#define MEMBER_MULTINAME(m,f) \
+#define MEMBER_MULTINAME(m,f,n) \
     multiname_t m;\
     namespace_t m##_ns;\
     if(f) { \
@@ -307,7 +308,7 @@ DECLARE_LIST(state);
         m.type = MULTINAME; \
         m.ns =0; \
         m.namespace_set = &nopackage_namespace_set; \
-        m.name = f->name; \
+        m.name = n; \
     }
 
 /* warning: list length of namespace set is undefined */
@@ -526,8 +527,9 @@ static void startclass(int flags, char*classname, classinfo_t*extends, classinfo
 
     state->cls->abc = abc_class_new(global->file, &classname2, extends2);
     if(flags&FLAG_FINAL) abc_class_final(state->cls->abc);
-    if(flags&FLAG_DYNAMIC) abc_class_sealed(state->cls->abc);
+    if(!(flags&FLAG_DYNAMIC)) abc_class_sealed(state->cls->abc);
     if(interface) abc_class_interface(state->cls->abc);
+    abc_class_protectedNS(state->cls->abc, classname);
 
     for(mlist=implements;mlist;mlist=mlist->next) {
         MULTINAME(m, mlist->classinfo);
@@ -593,29 +595,33 @@ static void startclass(int flags, char*classname, classinfo_t*extends, classinfo
     multiname_destroy(extends2);
 }
 
+static code_t* wrap_function(code_t*c,code_t*initcode, code_t*body)
+{
+    c = code_append(c, initcode);
+    c = code_append(c, body);
+    /* append return if necessary */
+    if(!c || c->opcode != OPCODE_RETURNVOID && 
+             c->opcode != OPCODE_RETURNVALUE) {
+        c = abc_returnvoid(c);
+    }
+    return c;
+}
+
 static void endclass()
 {
     if(state->cls->init) {
-        if(!state->cls->abc->constructor) {
-            abc_method_t*m = abc_class_constructor(state->cls->abc, 0);
-            m->body->code = code_append(m->body->code, state->cls->init);
-            m->body->code = abc_returnvoid(m->body->code);
-        } else {
-            code_t*c = state->cls->abc->constructor->body->code;
-            c = code_append(state->cls->init, c);
-            state->cls->abc->constructor->body->code = c;
-
-        }
+        abc_method_t*m = abc_class_getconstructor(state->cls->abc, 0);
+        m->body->code = wrap_function(0, state->cls->init, m->body->code);
     }
     if(state->cls->static_init) {
-        if(!state->cls->abc->static_constructor) {
-            abc_method_t*m = abc_class_staticconstructor(state->cls->abc, 0);
-            m->body->code = code_append(m->body->code, state->cls->static_init);
-            m->body->code = abc_returnvoid(m->body->code);
-        } else {
-            state->cls->abc->static_constructor->body->code = 
-                code_append(state->cls->static_init, state->cls->abc->static_constructor->body->code);
-        }
+        abc_method_t*m = abc_class_getstaticconstructor(state->cls->abc, 0);
+        m->body->code = wrap_function(0, state->cls->static_init, m->body->code);
+    } else {
+        // handy for scope testing 
+        /*code_t*c = 0;
+        c = abc_pop(c);
+        c = abc_pop(c);
+        abc_class_getstaticconstructor(state->cls->abc,0)->body->code = c;*/
     }
 
     old_state();
@@ -808,7 +814,7 @@ static void endfunction(token_t*ns, int flags, enum yytokentype getset, char*nam
     multiname_t*type2 = sig2mname(return_type);
     int slot = 0;
     if(state->method->is_constructor) {
-        f = abc_class_constructor(state->cls->abc, type2);
+        f = abc_class_getconstructor(state->cls->abc, type2);
     } else {
         if(flags&FLAG_STATIC)
             f = abc_class_staticmethod(state->cls->abc, type2, &mname);
@@ -1240,10 +1246,10 @@ IF  : "if" '(' {new_state();} EXPRESSION ')' CODEBLOCK MAYBEELSE {
     if($7) {
         myjmp = $$ = abc_jump($$, 0);
     }
-    myif->branch = $$ = abc_label($$);
+    myif->branch = $$ = abc_nop($$);
     if($7) {
         $$ = code_append($$, $7);
-        myjmp->branch = $$ = abc_label($$);
+        myjmp->branch = $$ = abc_nop($$);
     }
     
     $$ = killvars($$);old_state();
@@ -1262,7 +1268,7 @@ FOR : "for" '(' {new_state();} FOR_INIT ';' EXPRESSION ';' VOIDEXPRESSION ')' CO
     $$ = code_append($$, $10);
     $$ = code_append($$, $8);
     $$ = abc_jump($$, loopstart);
-    code_t*out = $$ = abc_label($$);
+    code_t*out = $$ = abc_nop($$);
     breakjumpsto($$, out);
     myif->branch = out;
 
@@ -1271,13 +1277,14 @@ FOR : "for" '(' {new_state();} FOR_INIT ';' EXPRESSION ';' VOIDEXPRESSION ')' CO
 
 WHILE : "while" '(' {new_state();} EXPRESSION ')' CODEBLOCK {
     $$ = code_new();
+
     code_t*myjmp = $$ = abc_jump($$, 0);
     code_t*loopstart = $$ = abc_label($$);
     $$ = code_append($$, $6);
-    myjmp->branch = $$ = abc_label($$);
+    myjmp->branch = $$ = abc_nop($$);
     $$ = code_append($$, $4.c);
     $$ = abc_iftrue($$, loopstart);
-    code_t*out = $$ = abc_label($$);
+    code_t*out = $$ = abc_nop($$);
     breakjumpsto($$, out);
 
     $$ = killvars($$);old_state();
@@ -1498,19 +1505,11 @@ FUNCTION_DECLARATION: MAYBE_MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_P
         c = abc_pushscope(c);
     }
     if(state->method->is_constructor && !state->method->has_super) {
-        // generate default constructor
+        // call default constructor
         c = abc_getlocal_0(c);
         c = abc_constructsuper(c, 0);
     }
-
-    c = code_append(c, state->method->initcode);
-    c = code_append(c, $11);
-
-    /* append return if necessary */
-    if(!c || c->opcode != OPCODE_RETURNVOID && 
-             c->opcode != OPCODE_RETURNVALUE) {
-        c = abc_returnvoid(c);
-    }
+    c = wrap_function(c, state->method->initcode, $11);
     endfunction(0,$1,$3,$4,&$6,$8,c);
 }
 
@@ -1891,6 +1890,12 @@ E : E "as" E {char use_astype=0; // flash player's astype works differently than
               }
              }
 
+E : E "instanceof" E 
+             {$$.c = code_append($1.c, $3.c);
+              $$.c = abc_instanceof($$.c);
+              $$.t = TYPE_BOOLEAN;
+             }
+
 E : E "is" E {$$.c = code_append($1.c, $3.c);
               $$.c = abc_istypelate($$.c);
               $$.t = TYPE_BOOLEAN;
@@ -2081,7 +2086,7 @@ E : "super" '.' T_IDENTIFIER
 
               memberinfo_t*f = registry_findmember(t, $3);
               namespace_t ns = {flags2access(f->flags), ""};
-              MEMBER_MULTINAME(m, f);
+              MEMBER_MULTINAME(m, f, $3);
               $$.c = 0;
               $$.c = abc_getlocal_0($$.c);
               $$.c = abc_getsuper2($$.c, &m);
@@ -2104,7 +2109,7 @@ E : E '.' T_IDENTIFIER
                  if(f && f->slot && !noslot) {
                      $$.c = abc_getslot($$.c, f->slot);
                  } else {
-                     MEMBER_MULTINAME(m, f);
+                     MEMBER_MULTINAME(m, f, $3);
                      $$.c = abc_getproperty2($$.c, &m);
                  }
                  /* determine type */