pdf2swf: added support for print mode (-s asprint), as3: small optimizations

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

diff --git a/lib/as3/parser.y b/lib/as3/parser.y
index 0db6e6c..37ad268 100644 (file)
--- a/lib/as3/parser.y
+++ b/lib/as3/parser.y
@@ -573,7 +573,7 @@ void initialize_file(char*filename)
         if(!state->method)
             syntaxerror("internal error: skewed tokencount");
         function_initvars(state->method, 0, 0, 0, 1);
-        global->init = abc_initscript(global->file);
+        global->init = 0;
     }
 }
 
@@ -586,9 +586,12 @@ void finish_file()
     if(as3_pass==2) {
         dict_del(global->file2token2info, current_filename);
         code_t*header = method_header(state->method);
-        code_t*c = wrap_function(header, 0, global->init->method->body->code);
-        global->init->method->body->code = abc_returnvoid(c);
-        free(state->method);state->method=0;
+        //if(global->init->method->body->code || global->init->traits) {
+        if(global->init) {
+            code_t*c = wrap_function(header, 0, global->init->method->body->code);
+            global->init->method->body->code = abc_returnvoid(c);
+            free(state->method);state->method=0;
+        }
     }
 
     //free(state->package);state->package=0; // used in registry
@@ -665,6 +668,9 @@ static code_t*defaultvalue(code_t*c, classinfo_t*type)
        c = abc_pushnan(c);
     } else if(TYPE_IS_BOOLEAN(type)) {
        c = abc_pushfalse(c);
+    } else if(TYPE_IS_STRING(type)) {
+       c = abc_pushnull(c);
+       c = abc_coerce_s(c);
     } else if(!type) {
        //c = abc_pushundefined(c);
         syntaxerror("internal error: can't generate default value for * type");
@@ -1466,6 +1472,7 @@ static abc_method_t* endfunction(modifiers_t*mod, enum yytokentype getset, char*
             multiname_t mname = {QNAME, &mname_ns, 0, name};
 
             f = abc_method_new(global->file, type2, 1);
+            if(!global->init) global->init = abc_initscript(global->file);
             trait_t*t = trait_new_method(&global->init->traits, multiname_clone(&mname), f);
             //abc_code_t*c = global->init->method->body->code;
         }
@@ -1587,12 +1594,18 @@ code_t*converttype(code_t*c, classinfo_t*from, classinfo_t*to)
     if(TYPE_IS_STRING(to))
         return abc_convert_s(c);
     if(TYPE_IS_OBJECT(to))
-        return abc_convert_o(c);
+        return abc_coerce2(c, &m);
+    if(TYPE_IS_OBJECT(from) && TYPE_IS_XMLLIST(to))
+        return abc_coerce2(c, &m);
+    if(TYPE_IS_OBJECT(from) && TYPE_IS_ARRAY(to))
+        return abc_coerce2(c, &m);
 
     classinfo_t*supertype = from;
     while(supertype) {
         if(supertype == to) {
-             // target type is one of from's superclasses
+             /* target type is one of from's superclasses.
+                (not sure we need this coerce - as far as the verifier
+                 is concerned, object==object (i think) */
              return abc_coerce2(c, &m);
         }
         int t=0;
@@ -1618,7 +1631,17 @@ code_t*converttype(code_t*c, classinfo_t*from, classinfo_t*to)
 
     return c;
 }
-/* move to ast.c todo end */
+code_t* coerce_to_type(code_t*c, classinfo_t*t)
+{
+    if(!t) {
+        return abc_coerce_a(c);
+    } else if(TYPE_IS_STRING(t)) {
+        return abc_coerce_s(c);
+    } else {
+        MULTINAME(m, t);
+        return abc_coerce2(c, &m);
+    }
+}
 
 char is_pushundefined(code_t*c)
 {
@@ -1960,8 +1983,12 @@ CODEBLOCK :  CODEPIECE %prec below_semicolon {$$=$1;}
 /* ------------ package init code ------------------- */
 
 PACKAGE_INITCODE: CODE_STATEMENT {
-    code_t**cc = &global->init->method->body->code;
-    *cc = code_append(*cc, $1);
+    if($1) {
+        if(!global->init) 
+            global->init = abc_initscript(global->file);
+        code_t**cc = &global->init->method->body->code;
+        *cc = code_append(*cc, $1);
+    }
 }
 
 /* ------------ conditional compilation ------------- */
@@ -2595,6 +2622,7 @@ IDECLARATION : MAYBE_MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LI
         code_t**code=0;
         if(!state->cls) {
             // global variable
+            if(!global->init) global->init = abc_initscript(global->file);
             ns.name = state->package;
             traits = &global->init->traits;
             code = &global->init->method->body->code;
@@ -3076,8 +3104,8 @@ FUNCTIONCALL : E '(' MAYBE_EXPRESSION_LIST ')' {
         // calling a class is like a typecast
         $$.t = (classinfo_t*)v.t->data;
     } else {
-        $$.c = abc_coerce_a($$.c);
         $$.t = TYPE_ANY;
+        $$.c = abc_coerce_a($$.c);
     }
 }