#include "registry.h"
#include "code.h"
#include "opcodes.h"
+#include "compiler.h"
+
+extern int a3_lex();
%}
}
-%token<id> T_IDENTIFIER
+%token<id> T_IDENTIFIER T_NAMESPACE
%token<str> T_STRING
%token<regexp> T_REGEXP
%token<token> T_EMPTY
%token<token> KW_IN "in"
%token<token> KW_AS "as"
+%token<token> T_DICTSTART "{ (dictionary)"
%token<token> T_EQEQ "=="
%token<token> T_EQEQEQ "==="
%token<token> T_NE "!="
%token<token> T_MULBY "*="
%token<token> T_PLUSBY "+="
%token<token> T_MINUSBY "-="
+%token<token> T_XORBY "^="
%token<token> T_SHRBY ">>="
%token<token> T_SHLBY "<<="
%token<token> T_USHRBY ">>>="
%type <value> CONSTANT
%type <code> FOR FOR_IN IF WHILE DO_WHILE MAYBEELSE BREAK RETURN CONTINUE TRY
%type <value> INNERFUNCTION
-%type <token> USE_NAMESPACE
+%type <code> USE_NAMESPACE
%type <code> FOR_INIT
%type <code> IMPORT
%type <classinfo> MAYBETYPE
%type <classinfo_list> IMPLEMENTS_LIST
%type <classinfo> EXTENDS
%type <classinfo_list> EXTENDS_LIST
-%type <classinfo> CLASS PACKAGEANDCLASS QNAME
-%type <classinfo_list> QNAME_LIST
+%type <classinfo> CLASS PACKAGEANDCLASS CLASS_SPEC
+%type <classinfo_list> CLASS_SPEC_LIST
%type <classinfo> TYPE
//%type <token> VARIABLE
%type <value> VAR_READ
//%type <token> T_IDENTIFIER
%type <token> MODIFIER
%type <value> FUNCTIONCALL
-%type <value_list> MAYBE_EXPRESSION_LIST EXPRESSION_LIST MAYBE_PARAM_VALUES MAYBE_EXPRPAIR_LIST EXPRPAIR_LIST
+%type <value_list> MAYBE_EXPRESSION_LIST EXPRESSION_LIST EXPRESSION_LIST_AND_COMMA MAYBE_PARAM_VALUES MAYBE_EXPRPAIR_LIST EXPRPAIR_LIST
// precedence: from low to high
%left plusplus_prefix minusminus_prefix '~' '!' "void" "delete" "typeof" //FIXME: *unary* + - should be here, too
%left "--" "++"
%nonassoc below_curly
-%left '[' ']' '{' "new" '.' ".." "::"
-%nonassoc T_IDENTIFIER
+
+%left '('
+%left new2
+%left '[' ']' "new" '{' "{ (dictionary)" '.' ".." "::" '@'
+
+%left T_IDENTIFIER
%left above_identifier
%left below_else
%nonassoc "else"
-%left '('
// needed for "return" precedence:
%nonassoc T_STRING T_REGEXP
%nonassoc T_INT T_UINT T_BYTE T_SHORT T_FLOAT
%nonassoc "false" "true" "null" "undefined" "super" "function"
-%nonassoc above_function
+%left above_function
%{
-static int yyerror(char*s)
+static int a3_error(char*s)
{
syntaxerror("%s", s);
return 0; //make gcc happy
}
+
static char* concat2(const char* t1, const char* t2)
{
int l1 = strlen(t1);
DECLARE_LIST(import);
+DECLARE(methodstate);
+DECLARE_LIST(methodstate);
+
typedef struct _classstate {
/* class data */
classinfo_t*info;
abc_class_t*abc;
- code_t*init;
- code_t*static_init;
+
+ methodstate_t*init;
+ methodstate_t*static_init;
+ //code_t*init;
+ //code_t*static_init;
+
char has_constructor;
} classstate_t;
-typedef struct _methodstate {
+struct _methodstate {
/* method data */
- memberinfo_t*info;
+ methodinfo_t*info;
char late_binding;
char is_constructor;
char has_super;
char is_global;
+ int variable_count;
+
+ dict_t*unresolved_variables;
+
+ char inner;
+ char uses_parent_function;
+ int uses_slots;
+ dict_t*slots;
+
+ abc_method_t*abc;
+ int var_index; // for inner methods
+ char is_a_slot; // for inner methods
+
+ code_t*header;
abc_exception_list_t*exceptions;
-} methodstate_t;
+
+ methodstate_list_t*innerfunctions;
+};
typedef struct _state {
struct _state*old;
import_list_t*wildcard_imports;
dict_t*imports;
char has_own_imports;
+ char new_vars; // e.g. transition between two functions
classstate_t*cls;
methodstate_t*method;
typedef struct _global {
abc_file_t*file;
abc_script_t*init;
-
- int variable_count;
+ dict_t*token2info;
+ dict_t*file2token2info;
} global_t;
static global_t*global = 0;
#define MULTINAME(m,x) \
multiname_t m;\
namespace_t m##_ns;\
- registry_fill_multiname(&m, &m##_ns, x);
+ (x)->package; \
+ registry_fill_multiname(&m, &m##_ns, (slotinfo_t*)(x));
#define MEMBER_MULTINAME(m,f,n) \
multiname_t m;\
namespace_t m##_ns;\
if(f) { \
- m##_ns = flags2namespace(f->flags, ""); \
+ m##_ns.access = ((slotinfo_t*)(f))->access; \
+ m##_ns.name = ""; \
m.type = QNAME; \
m.ns = &m##_ns; \
m.namespace_set = 0; \
- m.name = f->name; \
+ m.name = ((slotinfo_t*)(f))->name; \
} else { \
m.type = MULTINAME; \
m.ns =0; \
state->has_own_imports = 0;
state->vars = dict_new();
state->old = oldstate;
+ state->new_vars = 0;
}
static void state_has_imports()
{
state = state->old;
- if(leaving->method && leaving->method != state->method) {
+ if(as3_pass>1 && leaving->method && leaving->method != state->method && !leaving->method->inner) {
free(leaving->method);
leaving->method=0;
}
- if(leaving->cls && leaving->cls != state->cls) {
+ if(as3_pass>1 && leaving->cls && leaving->cls != state->cls) {
free(leaving->cls);
leaving->cls=0;
}
state_destroy(leaving);
}
-void initialize_parser()
-{
- global = rfx_calloc(sizeof(global_t));
- global->file = abc_file_new();
- global->file->flags &= ~ABCFILE_LAZY;
- global->variable_count = 1;
- global->init = abc_initscript(global->file);
- code_t*c = global->init->method->body->code;
- c = abc_getlocal_0(c);
- c = abc_pushscope(c);
- /*c = abc_findpropstrict(c, "[package]::trace");
- c = abc_pushstring(c, "[entering global init function]");
- c = abc_callpropvoid(c, "[package]::trace", 1);*/
- global->init->method->body->code = c;
-}
+static code_t* method_header(methodstate_t*m);
+static code_t* wrap_function(code_t*c,code_t*header, code_t*body);
+static void function_initvars(methodstate_t*m, params_t*params, int flags, char var0);
+
+static char* internal_filename_package = 0;
void initialize_file(char*filename)
{
+ if(state) {
+ syntaxerror("invalid call to initialize_file during parsing of another file");
+ }
new_state();
- state->package = filename;
- // needed for state->method->late_binding:
- state->method = rfx_calloc(sizeof(methodstate_t));
+ state->package = internal_filename_package = strdup(filename);
+
+ global->token2info = dict_lookup(global->file2token2info,
+ current_filename // use long version
+ );
+ if(!global->token2info) {
+ global->token2info = dict_new2(&ptr_type);
+ dict_put(global->file2token2info, current_filename, global->token2info);
+ }
+
+ if(as3_pass==1) {
+ state->method = rfx_calloc(sizeof(methodstate_t));
+ dict_put(global->token2info, (void*)(ptroff_t)as3_tokencount, state->method);
+ } else {
+ state->method = dict_lookup(global->token2info, (void*)(ptroff_t)as3_tokencount);
+ function_initvars(state->method, 0, 0, 1);
+ global->init = abc_initscript(global->file);
+ state->method->late_binding = 1; // init scripts use getglobalscope, so we need a getlocal0/pushscope
+ }
}
+
void finish_file()
{
if(!state || state->level!=1) {
- syntaxerror("unexpected end of file");
+ syntaxerror("unexpected end of file in pass %d", as3_pass);
+ }
+
+ if(as3_pass==2) {
+ code_t*header = method_header(state->method);
+ code_t*c = wrap_function(header, 0, global->init->method->body->code);
+ global->init->method->body->code = c;
+ free(state->method);state->method=0;
}
+
+ //free(state->package);state->package=0; // used in registry
state_destroy(state);state=0;
}
+void initialize_parser()
+{
+ global = rfx_calloc(sizeof(global_t));
+ global->file = abc_file_new();
+ global->file->flags &= ~ABCFILE_LAZY;
+ global->file2token2info = dict_new();
+ global->token2info = 0;
+}
+
void* finish_parser()
{
- code_t*c = global->init->method->body->code;
- /*c = abc_findpropstrict(c, "[package]::trace");
- c = abc_pushstring(c, "[leaving global init function]");
- c = abc_callpropvoid(c, "[package]::trace", 1);*/
- c = abc_returnvoid(c);
- global->init->method->body->code = c;
+ dict_free_all(global->file2token2info, 1, (void*)dict_destroy);
+
+ global->token2info=0;
+
return global->file;
}
c = abc_iftrue(c,xx);*/
}
-
typedef struct _variable {
int index;
classinfo_t*type;
char init;
+ methodstate_t*is_inner_method;
} variable_t;
-static variable_t* find_variable(char*name)
+static variable_t* find_variable(state_t*s, char*name)
{
- state_t* s = state;
while(s) {
variable_t*v = 0;
- if(s->method)
- v = dict_lookup(s->vars, name);
- if(v) {
- return v;
- }
+ v = dict_lookup(s->vars, name);
+ if(v) return v;
+ if(s->new_vars) break;
s = s->old;
}
return 0;
-}
-static variable_t* find_variable_safe(char*name)
+}
+static variable_t* find_slot(state_t*s, const char*name)
{
- variable_t* v = find_variable(name);
+ if(s->method && s->method->slots)
+ return dict_lookup(s->method->slots, name);
+ return 0;
+}
+
+static variable_t* find_variable_safe(state_t*s, char*name)
+{
+ variable_t* v = find_variable(s, name);
if(!v)
syntaxerror("undefined variable: %s", name);
return v;
}
static char variable_exists(char*name)
{
- return dict_lookup(state->vars, name)!=0;
+ return dict_contains(state->vars, name);
}
code_t*defaultvalue(code_t*c, classinfo_t*type);
-static int new_variable(char*name, classinfo_t*type, char init)
+
+static variable_t* new_variable2(const char*name, classinfo_t*type, char init, char maybeslot)
{
+ if(maybeslot) {
+ variable_t*v = find_slot(state, name);
+ if(v)
+ return v;
+ }
+
NEW(variable_t, v);
- v->index = global->variable_count;
+ v->index = state->method->variable_count++;
v->type = type;
v->init = init;
dict_put(state->vars, name, v);
- return global->variable_count++;
+ return v;
}
+static int new_variable(const char*name, classinfo_t*type, char init, char maybeslot)
+{
+ return new_variable2(name, type, init, maybeslot)->index;
+}
+
#define TEMPVARNAME "__as3_temp__"
static int gettempvar()
{
- variable_t*v = find_variable(TEMPVARNAME);
+ variable_t*v = find_variable(state, TEMPVARNAME);
if(v)
return v->index;
- return new_variable(TEMPVARNAME, 0, 0);
+ return new_variable(TEMPVARNAME, 0, 0, 0);
}
code_t* var_block(code_t*body)
return c;
}
+void unknown_variable(char*name)
+{
+ if(!state->method->unresolved_variables)
+ state->method->unresolved_variables = dict_new();
+ if(!dict_contains(state->method->unresolved_variables, name))
+ dict_put(state->method->unresolved_variables, name, 0);
+}
+
+#define parserassert(b) {if(!(b)) parsererror(__FILE__, __LINE__,__func__);}
+
+static void parsererror(const char*file, int line, const char*f)
+{
+ syntaxerror("internal error in %s, %s:%d", f, file, line);
+}
+
+
+static code_t* method_header(methodstate_t*m)
+{
+ code_t*c = 0;
+ if(m->uses_slots || (m->late_binding && !m->inner)) {
+ c = abc_getlocal_0(c);
+ c = abc_pushscope(c);
+ }
+ if(m->uses_slots) {
+ c = abc_newactivation(c);
+ c = abc_pushscope(c);
+ }
+ methodstate_list_t*l = m->innerfunctions;
+ while(l) {
+ parserassert(l->methodstate->abc);
+ if(m->uses_slots && l->methodstate->is_a_slot) {
+ c = abc_getscopeobject(c, 1);
+ c = abc_newfunction(c, l->methodstate->abc);
+ c = abc_dup(c);
+ c = abc_setlocal(c, l->methodstate->var_index);
+ c = abc_setslot(c, l->methodstate->var_index);
+ } else {
+ c = abc_newfunction(c, l->methodstate->abc);
+ c = abc_setlocal(c, l->methodstate->var_index);
+ }
+ free(l->methodstate);l->methodstate=0;
+ l = l->next;
+ }
+ if(m->header) {
+ c = code_append(c, m->header);
+ m->header = 0;
+ }
+ if(m->is_constructor && !m->has_super) {
+ // call default constructor
+ c = abc_getlocal_0(c);
+ c = abc_constructsuper(c, 0);
+ }
+ list_free(m->innerfunctions);
+ m->innerfunctions = 0;
+ return c;
+}
+
+
static code_t* wrap_function(code_t*c,code_t*header, code_t*body)
{
c = code_append(c, header);
new_state();
/*printf("entering package \"%s\"\n", name);*/
state->package = strdup(name);
- global->variable_count = 1;
}
static void endpackage()
{
old_state();
}
-void parserassert(int b)
+#define FLAG_PUBLIC 256
+#define FLAG_PROTECTED 512
+#define FLAG_PRIVATE 1024
+#define FLAG_PACKAGEINTERNAL 2048
+#define FLAG_NAMESPACE 4096
+
+static int flags2access(int flags)
+{
+ int access = 0;
+ if(flags&FLAG_PUBLIC) {
+ if(access&(FLAG_PRIVATE|FLAG_PROTECTED|FLAG_PACKAGEINTERNAL))
+ syntaxerror("invalid combination of access levels");
+ access = ACCESS_PACKAGE;
+ } else if(flags&FLAG_PRIVATE) {
+ if(access&(FLAG_PUBLIC|FLAG_PROTECTED|FLAG_PACKAGEINTERNAL))
+ syntaxerror("invalid combination of access levels");
+ access = ACCESS_PRIVATE;
+ } else if(flags&FLAG_PROTECTED) {
+ if(access&(FLAG_PUBLIC|FLAG_PRIVATE|FLAG_PACKAGEINTERNAL))
+ syntaxerror("invalid combination of access levels");
+ access = ACCESS_PROTECTED;
+ } else {
+ access = ACCESS_PACKAGEINTERNAL;
+ }
+ return access;
+}
+
+static void function_initvars(methodstate_t*m, params_t*params, int flags, char var0)
{
- if(!b) syntaxerror("internal error: assertion failed");
+ if(var0) {
+ int index = -1;
+ if(m->inner)
+ index = new_variable("this", 0, 0, 0);
+ else if(!m->is_global)
+ index = new_variable((flags&FLAG_STATIC)?"class":"this", state->cls?state->cls->info:0, 0, 0);
+ else
+ index = new_variable("globalscope", 0, 0, 0);
+ if(index)
+ *(int*)0=0;
+ parserassert(!index);
+ }
+ if(m->uses_slots) {
+ /* as variables and slots share the same number, make sure
+ that those variable indices are reserved */
+ m->variable_count = m->uses_slots;
+ }
+
+ if(params) {
+ param_list_t*p=0;
+ for(p=params->list;p;p=p->next) {
+ new_variable(p->param->name, p->param->type, 0, 1);
+ }
+ }
+
+ methodstate_list_t*l = m->innerfunctions;
+ while(l) {
+ methodstate_t*m = l->methodstate;
+ variable_t* v = new_variable2(m->info->name, TYPE_FUNCTION(m->info), 0, 1);
+ m->var_index = v->index;
+ v->is_inner_method = m;
+ l = l->next;
+ }
}
char*as3_globalclass=0;
-static void startclass(int flags, char*classname, classinfo_t*extends, classinfo_list_t*implements, char interface)
+static void startclass(int flags, char*classname, classinfo_t*extends, classinfo_list_t*implements)
{
if(state->cls) {
syntaxerror("inner classes now allowed");
}
new_state();
- global->variable_count = 1;
- state->cls = rfx_calloc(sizeof(classstate_t));
- state->method = rfx_calloc(sizeof(methodstate_t)); // method state, for static constructor
-
token_list_t*t=0;
classinfo_list_t*mlist=0;
- if(flags&~(FLAG_PACKAGEINTERNAL|FLAG_PUBLIC|FLAG_FINAL|FLAG_DYNAMIC))
+ if(flags&~(FLAG_PACKAGEINTERNAL|FLAG_PUBLIC|FLAG_FINAL|FLAG_DYNAMIC|FLAG_INTERFACE))
syntaxerror("invalid modifier(s)");
if((flags&(FLAG_PUBLIC|FLAG_PACKAGEINTERNAL)) == (FLAG_PUBLIC|FLAG_PACKAGEINTERNAL))
int access=0;
char*package=0;
- if(!(flags&FLAG_PUBLIC) && !state->package) {
- access = ACCESS_PRIVATE; package = current_filename;
- } else if(!(flags&FLAG_PUBLIC) && state->package) {
+ if(!(flags&FLAG_PUBLIC) && state->package==internal_filename_package) {
+ access = ACCESS_PRIVATE; package = internal_filename_package;
+ } else if(!(flags&FLAG_PUBLIC) && state->package!=internal_filename_package) {
access = ACCESS_PACKAGEINTERNAL; package = state->package;
- } else if(state->package) {
+ } else if(state->package!=internal_filename_package) {
access = ACCESS_PACKAGE; package = state->package;
} else {
syntaxerror("public classes only allowed inside a package");
}
if(as3_pass==1) {
- if(registry_findclass(package, classname)) {
+ state->cls = rfx_calloc(sizeof(classstate_t));
+ state->cls->init = rfx_calloc(sizeof(methodstate_t));
+ state->cls->static_init = rfx_calloc(sizeof(methodstate_t));
+ /* notice: we make no effort to initialize the top variable (local0) here,
+ even though it has special meaning. We just rely on the facat
+ that pass 1 won't do anything with variables */
+
+ dict_put(global->token2info, (void*)(ptroff_t)as3_tokencount, state->cls);
+
+ /* set current method to constructor- all code within the class-level (except
+ static variable initializations) will be executed during construction time */
+ state->method = state->cls->init;
+
+ if(registry_find(package, classname)) {
syntaxerror("Package \"%s\" already contains a class called \"%s\"", package, classname);
}
/* build info struct */
int num_interfaces = (list_length(implements));
state->cls->info = classinfo_register(access, package, classname, num_interfaces);
+ state->cls->info->flags |= flags & (FLAG_DYNAMIC|FLAG_INTERFACE|FLAG_FINAL);
}
if(as3_pass == 2) {
- state->cls->info = registry_findclass(package, classname);
- parserassert((int)state->cls->info);
+ state->cls = dict_lookup(global->token2info, (void*)(ptroff_t)as3_tokencount);
+
+ state->method = state->cls->init;
+ parserassert(state->cls && state->cls->info);
+
+ function_initvars(state->cls->init, 0, 0, 1);
+ function_initvars(state->cls->static_init, 0, 0, 0);
+
+ if(extends && (extends->flags & FLAG_FINAL))
+ syntaxerror("Can't extend final class '%s'", extends->name);
/* fill out interfaces and extends (we couldn't resolve those during the first pass) */
state->cls->info->superclass = extends?extends:TYPE_OBJECT;
int pos = 0;
classinfo_list_t*l = implements;
for(l=implements;l;l=l->next) {
+ if(!(l->classinfo->flags & FLAG_INTERFACE))
+ syntaxerror("'%s' is not an interface", l->classinfo->name);
state->cls->info->interfaces[pos++] = l->classinfo;
}
multiname_t*extends2 = sig2mname(extends);
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(interface) {
- state->cls->info->flags |= CLASS_INTERFACE;
+ if(state->cls->info->flags&FLAG_FINAL) abc_class_final(state->cls->abc);
+ if(!(state->cls->info->flags&FLAG_DYNAMIC)) abc_class_sealed(state->cls->abc);
+ if(state->cls->info->flags&FLAG_INTERFACE) {
abc_class_interface(state->cls->abc);
}
/* flash.display.MovieClip handling */
- if(!as3_globalclass && (flags&FLAG_PUBLIC) && classinfo_equals(registry_getMovieClip(),extends)) {
+ if(!as3_globalclass && (flags&FLAG_PUBLIC) && slotinfo_equals((slotinfo_t*)registry_getMovieClip(),(slotinfo_t*)extends)) {
if(state->package && state->package[0]) {
as3_globalclass = concat3(state->package, ".", classname);
} else {
}
}
+static void setstaticfunction(int x)
+{
+ if(state->cls) {
+ if(x&FLAG_STATIC) {
+ state->method = state->cls->static_init;
+ } else {
+ state->method = state->cls->init;
+ }
+ } else {
+ parserassert(state->method);
+ }
+}
+
static void endclass()
{
if(as3_pass == 2) {
- if(!state->cls->has_constructor && !(state->cls->info->flags&CLASS_INTERFACE)) {
+ if(!state->cls->has_constructor && !(state->cls->info->flags&FLAG_INTERFACE)) {
code_t*c = 0;
c = abc_getlocal_0(c);
c = abc_constructsuper(c, 0);
- state->cls->init = code_append(state->cls->init, c);
- }
- if(!state->method->late_binding) {
- // class initialization code uses late binding
- code_t*c = 0;
- c = abc_getlocal_0(c);
- c = abc_pushscope(c);
- state->cls->static_init = code_append(c, state->cls->static_init);
+ state->cls->init->header = code_append(state->cls->init->header, c);
+ state->cls->has_constructor=1;
}
-
if(state->cls->init) {
- 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->info->flags&FLAG_INTERFACE) {
+ if(state->cls->init->header)
+ syntaxerror("interface can not have class-level code");
+ } else {
+ abc_method_t*m = abc_class_getconstructor(state->cls->abc, 0);
+ code_t*c = method_header(state->cls->init);
+ m->body->code = wrap_function(c, 0, m->body->code);
+ }
}
if(state->cls->static_init) {
abc_method_t*m = abc_class_getstaticconstructor(state->cls->abc, 0);
- m->body->code = wrap_function(0, state->cls->static_init, m->body->code);
+ code_t*c = method_header(state->cls->static_init);
+ m->body->code = wrap_function(c, 0, m->body->code);
}
}
|| c->type == CONSTANT_UINT);
} else if(TYPE_IS_UINT(t)) {
xassert(c->type == CONSTANT_UINT ||
- (c->type == CONSTANT_INT && c->i>0));
+ (c->type == CONSTANT_INT && c->i>=0));
} else if(TYPE_IS_INT(t)) {
xassert(c->type == CONSTANT_INT);
} else if(TYPE_IS_BOOLEAN(t)) {
}
}
-
-static int flags2access(int flags)
+static void check_override(memberinfo_t*m, int flags)
{
- int access = 0;
- if(flags&FLAG_PUBLIC) {
- if(access&(FLAG_PRIVATE|FLAG_PROTECTED|FLAG_PACKAGEINTERNAL))
- syntaxerror("invalid combination of access levels");
- access = ACCESS_PACKAGE;
- } else if(flags&FLAG_PRIVATE) {
- if(access&(FLAG_PUBLIC|FLAG_PROTECTED|FLAG_PACKAGEINTERNAL))
- syntaxerror("invalid combination of access levels");
- access = ACCESS_PRIVATE;
- } else if(flags&FLAG_PROTECTED) {
- if(access&(FLAG_PUBLIC|FLAG_PRIVATE|FLAG_PACKAGEINTERNAL))
- syntaxerror("invalid combination of access levels");
- access = ACCESS_PROTECTED;
- } else {
- access = ACCESS_PACKAGEINTERNAL;
+ if(!m)
+ return;
+ if(m->parent == state->cls->info)
+ syntaxerror("class '%s' already contains a method/slot '%s'", m->parent->name, m->name);
+ if(!m->parent)
+ syntaxerror("internal error: overriding method %s, which doesn't have parent", m->name);
+ if(m->access==ACCESS_PRIVATE)
+ return;
+ if(m->flags & FLAG_FINAL)
+ syntaxerror("can't override final member %s", m->name);
+ if((m->flags & FLAG_STATIC) && !(flags&FLAG_STATIC))
+ syntaxerror("can't override static member %s", m->name);
+ if(!(m->flags & FLAG_STATIC) && (flags&FLAG_STATIC))
+ syntaxerror("can't override non-static member %s with static declaration", m->name);
+
+ if(!(flags&FLAG_OVERRIDE)) {
+ if(m->parent && !(m->parent->flags&FLAG_INTERFACE)) {
+ if(m->kind == INFOTYPE_METHOD)
+ syntaxerror("can't override without explicit 'override' declaration");
+ else
+ syntaxerror("can't override '%s'", m->name);
+ }
}
- return access;
}
-
-static memberinfo_t*registerfunction(enum yytokentype getset, int flags, char*name, params_t*params, classinfo_t*return_type, int slot)
+static methodinfo_t*registerfunction(enum yytokentype getset, int flags, char*name, params_t*params, classinfo_t*return_type, int slot)
{
- memberinfo_t*minfo = 0;
+ methodinfo_t*minfo = 0;
+ U8 access = flags2access(flags);
if(!state->cls) {
//package method
- minfo = memberinfo_register_global(flags2access(flags), state->package, name, MEMBER_METHOD);
+ minfo = methodinfo_register_global(access, state->package, name);
minfo->return_type = return_type;
} else if(getset != KW_GET && getset != KW_SET) {
//class method
- if((minfo = registry_findmember(state->cls->info, name, 0))) {
- if(minfo->parent == state->cls->info) {
- syntaxerror("class already contains a member/method called '%s'", name);
- } else if(!minfo->parent) {
- syntaxerror("internal error: overriding method %s, which doesn't have parent", name);
- } else {
- if(!(minfo->flags&(FLAG_STATIC|FLAG_PRIVATE)))
- syntaxerror("function %s already exists in superclass. Did you forget the 'override' keyword?");
- }
+ memberinfo_t* m = registry_findmember(state->cls->info, name, 0);
+ if(m) {
+ syntaxerror("class already contains a %s '%s'", infotypename((slotinfo_t*)m), m->name);
}
- minfo = memberinfo_register(state->cls->info, name, MEMBER_METHOD);
+ minfo = methodinfo_register_onclass(state->cls->info, access, name);
minfo->return_type = return_type;
// getslot on a member slot only returns "undefined", so no need
// to actually store these
//state->minfo->slot = state->method->abc->method->trait->slot_id;
} else {
//class getter/setter
- int gs = getset==KW_GET?MEMBER_GET:MEMBER_SET;
+ int gs = getset==KW_GET?SUBTYPE_GET:SUBTYPE_SET;
classinfo_t*type=0;
if(getset == KW_GET)
type = return_type;
- else if(params->list)
+ else if(params->list && params->list->param)
type = params->list->param->type;
// not sure wether to look into superclasses here, too
- if((minfo=registry_findmember(state->cls->info, name, 0))) {
- if(minfo->kind & ~(MEMBER_GET|MEMBER_SET))
- syntaxerror("class already contains a member or method called '%s'", name);
- if(minfo->kind & gs)
+ minfo = (methodinfo_t*)registry_findmember(state->cls->info, name, 1);
+ if(minfo) {
+ if(minfo->kind!=INFOTYPE_SLOT)
+ syntaxerror("class already contains a method called '%s'", name);
+ if(!(minfo->subtype & (SUBTYPE_GETSET)))
+ syntaxerror("class already contains a field called '%s'", name);
+ if(minfo->subtype & gs)
syntaxerror("getter/setter for '%s' already defined", name);
/* make a setter or getter into a getset */
- minfo->kind |= gs;
- if(!minfo->type)
- minfo->type = type;
- else
- if(type && minfo->type != type)
+ minfo->subtype |= gs;
+ if(!minfo->return_type) {
+ minfo->return_type = type;
+ } else {
+ if(minfo && minfo->return_type != type)
syntaxerror("different type in getter and setter");
+ }
} else {
- minfo = memberinfo_register(state->cls->info, name, gs);
- minfo->type = type;
+ minfo = methodinfo_register_onclass(state->cls->info, access, name);
+ minfo->kind = INFOTYPE_SLOT; //hack
+ minfo->subtype = gs;
+ minfo->return_type = type;
}
/* can't assign a slot as getter and setter might have different slots */
//minfo->slot = slot;
}
+ if(flags&FLAG_FINAL) minfo->flags |= FLAG_FINAL;
if(flags&FLAG_STATIC) minfo->flags |= FLAG_STATIC;
- if(flags&FLAG_PUBLIC) minfo->flags |= FLAG_PUBLIC;
- if(flags&FLAG_PRIVATE) minfo->flags |= FLAG_PRIVATE;
- if(flags&FLAG_PROTECTED) minfo->flags |= FLAG_PROTECTED;
- if(flags&FLAG_PACKAGEINTERNAL) minfo->flags |= FLAG_PACKAGEINTERNAL;
if(flags&FLAG_OVERRIDE) minfo->flags |= FLAG_OVERRIDE;
return minfo;
}
+static void innerfunction(char*name, params_t*params, classinfo_t*return_type)
+{
+ //parserassert(state->method && state->method->info);
+
+ methodstate_t*parent_method = state->method;
+
+ if(as3_pass==1) {
+ return_type = 0; // not valid in pass 1
+ }
+
+ new_state();
+ state->new_vars = 1;
+
+ if(as3_pass == 1) {
+ state->method = rfx_calloc(sizeof(methodstate_t));
+ state->method->inner = 1;
+ state->method->variable_count = 0;
+ state->method->abc = rfx_calloc(sizeof(abc_method_t));
+
+ NEW(methodinfo_t,minfo);
+ minfo->kind = INFOTYPE_METHOD;
+ minfo->access = ACCESS_PACKAGEINTERNAL;
+ minfo->name = name;
+ state->method->info = minfo;
+
+ if(parent_method)
+ list_append(parent_method->innerfunctions, state->method);
+
+ dict_put(global->token2info, (void*)(ptroff_t)as3_tokencount, state->method);
+
+ function_initvars(state->method, params, 0, 1);
+ }
+
+ if(as3_pass == 2) {
+ state->method = dict_lookup(global->token2info, (void*)(ptroff_t)as3_tokencount);
+ state->method->variable_count = 0;
+ parserassert(state->method);
+
+ state->method->info->return_type = return_type;
+ function_initvars(state->method, params, 0, 1);
+ }
+}
+
static void startfunction(token_t*ns, int flags, enum yytokentype getset, char*name,
params_t*params, classinfo_t*return_type)
{
syntaxerror("not able to start another method scope");
}
new_state();
- state->method = rfx_calloc(sizeof(methodstate_t));
- state->method->has_super = 0;
+ state->new_vars = 1;
+
+ if(as3_pass == 1) {
+ state->method = rfx_calloc(sizeof(methodstate_t));
+ state->method->has_super = 0;
- if(state->cls) {
- state->method->is_constructor = !strcmp(state->cls->info->name,name);
- state->cls->has_constructor |= state->method->is_constructor;
- } else {
- state->method->is_global = 1;
- state->method->late_binding = 1; // for global methods, always push local_0 on the scope stack
- }
- if(state->method->is_constructor)
- name = "__as3_constructor__";
+ if(state->cls) {
+ state->method->is_constructor = !strcmp(state->cls->info->name,name);
+ } else {
+ state->method->is_global = 1;
+ state->method->late_binding = 1; // for global methods, always push local_0 on the scope stack
+ }
+ if(state->method->is_constructor)
+ name = "__as3_constructor__";
- if(as3_pass == 1) {
+ return_type = 0;
state->method->info = registerfunction(getset, flags, name, params, return_type, 0);
+
+ function_initvars(state->method, params, flags, 1);
+
+ dict_put(global->token2info, (void*)(ptroff_t)as3_tokencount, state->method);
}
if(as3_pass == 2) {
- /* retrieve the member info that we stored in the first pass.
- TODO: better getter/setter support? */
- if(!state->cls) state->method->info = registry_findclass(state->package, name)->function;
- else state->method->info = registry_findmember(state->cls->info, name, 0);
-
- global->variable_count = 0;
- /* state->vars is initialized by state_new */
- if(!state->method->is_global)
- new_variable((flags&FLAG_STATIC)?"class":"this", state->cls->info, 0);
- else
- new_variable("globalscope", 0, 0);
- param_list_t*p=0;
- for(p=params->list;p;p=p->next) {
- new_variable(p->param->name, p->param->type, 0);
+ state->method = dict_lookup(global->token2info, (void*)(ptroff_t)as3_tokencount);
+ state->method->variable_count = 0;
+ parserassert(state->method);
+
+ if(state->cls) {
+ memberinfo_t*m = registry_findmember(state->cls->info, name, 2);
+ check_override(m, flags);
+ }
+
+ if(state->cls) {
+ state->cls->has_constructor |= state->method->is_constructor;
}
+
+ state->method->info->return_type = return_type;
+ function_initvars(state->method, params, flags, 1);
}
}
-static void endfunction(token_t*ns, int flags, enum yytokentype getset, char*name,
+static abc_method_t* endfunction(token_t*ns, int flags, enum yytokentype getset, char*name,
params_t*params, classinfo_t*return_type, code_t*body)
{
if(as3_pass==1) {
+ // store inner methods in variables
+ function_initvars(state->method, 0, 0, 0);
+
+ methodstate_list_t*ml = state->method->innerfunctions;
+ dict_t*xvars = dict_new();
+ while(ml) {
+ methodstate_t*m = ml->methodstate;
+ parserassert(m->inner);
+ if(m->unresolved_variables) {
+ dict_t*d = m->unresolved_variables;
+ int t;
+ for(t=0;t<d->hashsize;t++) {
+ dictentry_t*l = d->slots[t];
+ while(l) {
+ /* check parent method's variables */
+ if(find_variable(state, l->key)) {
+ m->uses_parent_function = 1;
+ state->method->uses_slots = 1;
+ dict_put(xvars, l->key, 0);
+ }
+ l = l->next;
+ }
+ if(l) break;
+ }
+
+ dict_destroy(m->unresolved_variables);
+ m->unresolved_variables = 0;
+ }
+ ml = ml->next;
+ }
+ if(state->method->uses_slots) {
+ state->method->slots = dict_new();
+ int i = 1;
+ DICT_ITERATE_ITEMS(state->vars, char*, name, variable_t*, v) {
+ if(v->index && dict_contains(xvars, name)) {
+ v->init = 0;
+ v->index = i++;
+ if(v->is_inner_method) {
+ v->is_inner_method->is_a_slot = 1;
+ }
+ //v->type = 0;
+ dict_put(state->method->slots, name, v);
+ }
+ }
+ state->method->uses_slots = i;
+ dict_destroy(state->vars);state->vars = 0;
+ }
+ dict_destroy(xvars);
+
old_state();
- return;
+ return 0;
}
- abc_method_t*f = 0;
+ if(as3_pass==2) {
+ /*if(state->method->uses_parent_function){
+ syntaxerror("accessing variables of parent function from inner functions not supported yet");
+ }*/
- multiname_t*type2 = sig2mname(return_type);
- int slot = 0;
- if(state->method->is_constructor) {
- f = abc_class_getconstructor(state->cls->abc, type2);
- } else if(!state->method->is_global) {
- namespace_t mname_ns = flags2namespace(flags, "");
- multiname_t mname = {QNAME, &mname_ns, 0, name};
+ abc_method_t*f = 0;
- if(flags&FLAG_STATIC)
- f = abc_class_staticmethod(state->cls->abc, type2, &mname);
- else
- f = abc_class_method(state->cls->abc, type2, &mname);
- slot = f->trait->slot_id;
- } else {
- namespace_t mname_ns = flags2namespace(flags, state->package);
- multiname_t mname = {QNAME, &mname_ns, 0, name};
-
- f = abc_method_new(global->file, type2, 1);
- trait_t*t = trait_new_method(&global->init->traits, multiname_clone(&mname), f);
- //abc_code_t*c = global->init->method->body->code;
- }
- //flash doesn't seem to allow us to access function slots
- //state->method->info->slot = slot;
-
- if(flags&FLAG_OVERRIDE) f->trait->attributes |= TRAIT_ATTR_OVERRIDE;
- if(getset == KW_GET) f->trait->kind = TRAIT_GETTER;
- if(getset == KW_SET) f->trait->kind = TRAIT_SETTER;
- if(params->varargs) f->flags |= METHOD_NEED_REST;
-
- char opt=0;
- param_list_t*p=0;
- for(p=params->list;p;p=p->next) {
- if(params->varargs && !p->next) {
- break; //varargs: omit last parameter in function signature
+ multiname_t*type2 = sig2mname(return_type);
+ int slot = 0;
+ if(state->method->inner) {
+ f = state->method->abc;
+ abc_method_init(f, global->file, type2, 1);
+ } else if(state->method->is_constructor) {
+ f = abc_class_getconstructor(state->cls->abc, type2);
+ } else if(!state->method->is_global) {
+ namespace_t mname_ns = {state->method->info->access, ""};
+ multiname_t mname = {QNAME, &mname_ns, 0, name};
+
+ if(flags&FLAG_STATIC)
+ f = abc_class_staticmethod(state->cls->abc, type2, &mname);
+ else
+ f = abc_class_method(state->cls->abc, type2, &mname);
+ slot = f->trait->slot_id;
+ } else {
+ namespace_t mname_ns = {state->method->info->access, state->package};
+ multiname_t mname = {QNAME, &mname_ns, 0, name};
+
+ f = abc_method_new(global->file, type2, 1);
+ trait_t*t = trait_new_method(&global->init->traits, multiname_clone(&mname), f);
+ //abc_code_t*c = global->init->method->body->code;
+ }
+ //flash doesn't seem to allow us to access function slots
+ //state->method->info->slot = slot;
+
+ if(flags&FLAG_OVERRIDE) f->trait->attributes |= TRAIT_ATTR_OVERRIDE;
+ if(getset == KW_GET) f->trait->kind = TRAIT_GETTER;
+ if(getset == KW_SET) f->trait->kind = TRAIT_SETTER;
+ if(params->varargs) f->flags |= METHOD_NEED_REST;
+
+ char opt=0;
+ param_list_t*p=0;
+ for(p=params->list;p;p=p->next) {
+ if(params->varargs && !p->next) {
+ break; //varargs: omit last parameter in function signature
+ }
+ multiname_t*m = sig2mname(p->param->type);
+ list_append(f->parameters, m);
+ if(p->param->value) {
+ check_constant_against_type(p->param->type, p->param->value);
+ opt=1;list_append(f->optional_parameters, p->param->value);
+ } else if(opt) {
+ syntaxerror("non-optional parameter not allowed after optional parameters");
+ }
}
- multiname_t*m = sig2mname(p->param->type);
- list_append(f->parameters, m);
- if(p->param->value) {
- check_constant_against_type(p->param->type, p->param->value);
- opt=1;list_append(f->optional_parameters, p->param->value);
- } else if(opt) {
- syntaxerror("non-optional parameter not allowed after optional parameters");
+ if(state->method->slots) {
+ DICT_ITERATE_ITEMS(state->method->slots, char*, name, variable_t*, v) {
+ if(v->index) {
+ multiname_t*mname = multiname_new(namespace_new(ACCESS_PACKAGE, ""), name);
+ multiname_t*type = sig2mname(v->type);
+ trait_t*t = trait_new_member(&f->body->traits, type, mname, 0);
+ t->slot_id = v->index;
+ }
+ }
}
- }
- check_code_for_break(body);
- if(f->body) {
- f->body->code = body;
- f->body->exceptions = state->method->exceptions;
- } else { //interface
- if(body)
- syntaxerror("interface methods can't have a method body");
- }
-
- old_state();
-}
+ check_code_for_break(body);
+ if(f->body) {
+ f->body->code = body;
+ f->body->exceptions = state->method->exceptions;
+ } else { //interface
+ if(body)
+ syntaxerror("interface methods can't have a method body");
+ }
+ old_state();
+ return f;
+ }
+
+ return 0;
+}
char is_subtype_of(classinfo_t*type, classinfo_t*supertype)
{
return c;
if(TYPE_IS_CLASS(from) && TYPE_IS_CLASS(to))
return c;
- syntaxerror("can't convert type %s to %s", from->name, to->name);
- return 0; // make gcc happy
+ if(TYPE_IS_NULL(from) && !IS_NUMBER_OR_INT(to))
+ return c;
+
+ as3_error("can't convert type %s%s%s to %s%s%s",
+ from->package, from->package?".":"", from->name,
+ to->package, to->package?".":"", to->name);
+ return c;
}
code_t*defaultvalue(code_t*c, classinfo_t*type)
return (c && !c->prev && !c->next && c->opcode == OPCODE_PUSHUNDEFINED);
}
-static classinfo_t* find_class(char*name)
+static slotinfo_t* find_class(char*name)
{
- classinfo_t*c=0;
+ slotinfo_t*c=0;
- c = registry_findclass(state->package, name);
+ c = registry_find(state->package, name);
if(c) return c;
/* try explicit imports */
if(c) return c;
while(e) {
if(!strcmp(e->key, name)) {
- c = (classinfo_t*)e->data;
+ c = (slotinfo_t*)e->data;
if(c) return c;
}
e = e->next;
import_list_t*l = state->wildcard_imports;
while(l) {
//printf("does package %s contain a class %s?\n", l->import->package, name);
- c = registry_findclass(l->import->package, name);
+ c = registry_find(l->import->package, name);
if(c) return c;
l = l->next;
}
/* try global package */
- c = registry_findclass("", name);
+ c = registry_find("", name);
if(c) return c;
-
+
/* try local "filename" package */
- c = registry_findclass(current_filename_short, name);
+ c = registry_find(internal_filename_package, name);
if(c) return c;
return 0;
[prefix code] ([dup]) [read instruction] [middlepart] [setvar] [write instruction] [getvar]
*/
-
if(in && in->opcode == OPCODE_COERCE_A) {
in = code_cutlast(in);
}
c = code_append(c, write);
c = code_append(c, r);
} else {
+ code_free(r);r=0;
temp = gettempvar();
if(prefix) {
c = code_append(c, prefix);
| FUNCTION_DECLARATION
| SLOT_DECLARATION
| PACKAGE_INITCODE
+ | CONDITIONAL_COMPILATION '{' MAYBE_PROGRAM_CODE_LIST '}' // conditional compilation
| ';'
MAYBE_INPACKAGE_CODE_LIST: | INPACKAGE_CODE_LIST
| FUNCTION_DECLARATION
| SLOT_DECLARATION
| PACKAGE_INITCODE
+ | CONDITIONAL_COMPILATION '{' MAYBE_INPACKAGE_CODE_LIST '}' // conditional compilation
| ';'
MAYBECODE: CODE {$$=$1;}
CODE_STATEMENT: WITH
CODE_STATEMENT: TRY
CODE_STATEMENT: VOIDEXPRESSION
+CODE_STATEMENT: USE_NAMESPACE
+CODE_STATEMENT: '{' CODE '}' {$$=$2;}
+CODE_STATEMENT: '{' '}' {$$=0;}
// code which may appear anywhere
CODEPIECE: ';' {$$=0;}
CODEPIECE: CONTINUE
CODEPIECE: RETURN
CODEPIECE: THROW
+CODEPIECE: CONDITIONAL_COMPILATION '{' CODE '}' {$$=$3;}
CODEPIECE: NAMESPACE_DECLARATION {/*TODO*/$$=0;}
-CODEPIECE: USE_NAMESPACE {/*TODO*/$$=0;}
-CODEBLOCK : '{' CODE '}' {$$=$2;}
-CODEBLOCK : '{' '}' {$$=0;}
+//CODEBLOCK : '{' CODE '}' {$$=$2;}
+//CODEBLOCK : '{' '}' {$$=0;}
CODEBLOCK : CODEPIECE ';' {$$=$1;}
CODEBLOCK : CODEPIECE %prec below_semicolon {$$=$1;}
*cc = code_append(*cc, $1);
}
+/* ------------ conditional compilation ------------- */
+
+CONDITIONAL_COMPILATION: T_IDENTIFIER "::" T_IDENTIFIER
+
/* ------------ variables --------------------------- */
MAYBEEXPRESSION : '=' NONCOMMAEXPRESSION {$$=$2;}
ONE_VARIABLE: T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION
{
+PASS12
if(variable_exists($1))
syntaxerror("Variable %s already defined", $1);
+PASS1
+ new_variable($1, 0, 1, 0);
+PASS2
if(!is_subtype_of($3.t, $2)) {
syntaxerror("Can't convert %s to %s", $3.t->name,
$2->name);
}
- int index = new_variable($1, $2, 1);
+ char slot = 0;
+ int index = 0;
+ if(state->method->uses_slots) {
+ variable_t* v = find_slot(state, $1);
+ if(v && !v->init) {
+ // this variable is stored in a slot
+ v->init = 1;
+ v->type = $2;
+ slot = 1;
+ index = v->index;
+ }
+ }
+ if(!index) {
+ index = new_variable($1, $2, 1, 0);
+ }
+
+ $$ = slot?abc_getscopeobject(0, 1):0;
if($2) {
if($3.c->prev || $3.c->opcode != OPCODE_PUSHUNDEFINED) {
- $$ = $3.c;
+ $$ = code_append($$, $3.c);
$$ = converttype($$, $3.t, $2);
- $$ = abc_setlocal($$, index);
} else {
- $$ = defaultvalue(0, $2);
- $$ = abc_setlocal($$, index);
+ code_free($3.c);
+ $$ = defaultvalue($$, $2);
}
} else {
if($3.c->prev || $3.c->opcode != OPCODE_PUSHUNDEFINED) {
- $$ = $3.c;
+ $$ = code_append($$, $3.c);
$$ = abc_coerce_a($$);
- $$ = abc_setlocal($$, index);
} else {
- $$ = code_new();
+ // don't do anything
+ code_free($3.c);
+ code_free($$);
+ $$ = 0;
+ break;
}
}
-
- /* that's the default for a local register, anyway
- else {
- state->method->initcode = abc_pushundefined(state->method->initcode);
- state->method->initcode = abc_setlocal(state->method->initcode, index);
- }*/
- //printf("variable %s -> %d (%s)\n", $2->text, index, $4.t?$4.t->name:"");
+ if(slot) {
+ $$ = abc_setslot($$, index);
+ } else {
+ $$ = abc_setlocal($$, index);
+ }
}
/* ------------ control flow ------------------------- */
MAYBEELSE: "else" CODEBLOCK {$$=$2;}
//MAYBEELSE: ';' "else" CODEBLOCK {$$=$3;}
-IF : "if" '(' {new_state();} EXPRESSION ')' CODEBLOCK MAYBEELSE {
+IF : "if" '(' {PASS12 new_state();} EXPRESSION ')' CODEBLOCK MAYBEELSE {
$$ = code_new();
$$ = code_append($$, $4.c);
myjmp->branch = $$ = abc_nop($$);
}
$$ = var_block($$);
- old_state();
+ PASS12 old_state();
}
FOR_INIT : {$$=code_new();}
FOR_INIT : VOIDEXPRESSION
// TODO: why doesn't an %prec above_identifier resolve the r-r conflict here?
+// (I don't see any easy way to revolve this conflict otherwise, as we
+// can't touch VAR_READ without upsetting the precedence about "return")
FOR_IN_INIT : "var" T_IDENTIFIER MAYBETYPE {
- $$=$2;new_variable($2,$3,1);
+ PASS1 $$=$2;new_variable($2,0,1,0);
+ PASS2 $$=$2;new_variable($2,$3,1,0);
}
FOR_IN_INIT : T_IDENTIFIER {
+ PASS12
$$=$1;
}
-FOR_START : T_FOR '(' {new_state();$$.name=$1;$$.each=0;}
-FOR_START : T_FOR "each" '(' {new_state();$$.name=$1;$$.each=1;}
+FOR_START : T_FOR '(' {PASS12 new_state();$$.name=$1;$$.each=0;}
+FOR_START : T_FOR "each" '(' {PASS12 new_state();$$.name=$1;$$.each=1;}
FOR : FOR_START FOR_INIT ';' EXPRESSION ';' VOIDEXPRESSION ')' CODEBLOCK {
if($1.each) syntaxerror("invalid syntax: ; not allowed in for each statement");
myif->branch = out;
$$ = var_block($$);
- old_state();
+ PASS12 old_state();
}
FOR_IN : FOR_START FOR_IN_INIT "in" EXPRESSION ')' CODEBLOCK {
- variable_t*var = find_variable($2);
+ variable_t*var = find_variable(state, $2);
char*tmp1name = concat2($2, "__tmp1__");
- int it = new_variable(tmp1name, TYPE_INT, 0);
+ int it = new_variable(tmp1name, TYPE_INT, 0, 0);
char*tmp2name = concat2($2, "__array__");
- int array = new_variable(tmp1name, 0, 0);
+ int array = new_variable(tmp1name, 0, 0, 0);
$$ = code_new();
$$ = code_append($$, $4.c);
myif->branch = out;
$$ = var_block($$);
- old_state();
free(tmp1name);
free(tmp2name);
+
+ PASS12 old_state();
}
-WHILE : T_WHILE '(' {new_state();} EXPRESSION ')' CODEBLOCK {
+WHILE : T_WHILE '(' {PASS12 new_state();} EXPRESSION ')' CODEBLOCK {
$$ = code_new();
continuejumpsto($$, $1, cont);
$$ = var_block($$);
- old_state();
+ PASS12 old_state();
}
-DO_WHILE : T_DO {new_state();} CODEBLOCK "while" '(' EXPRESSION ')' {
+DO_WHILE : T_DO {PASS12 new_state();} CODEBLOCK "while" '(' EXPRESSION ')' {
$$ = code_new();
code_t*loopstart = $$ = abc_label($$);
$$ = code_append($$, $3);
continuejumpsto($$, $1, cont);
$$ = var_block($$);
- old_state();
+ PASS12 old_state();
}
BREAK : "break" %prec prec_none {
DEFAULT: "default" ':' MAYBECODE {
$$ = $3;
}
-SWITCH : T_SWITCH '(' {new_state();} E ')' '{' MAYBE_CASE_LIST '}' {
+SWITCH : T_SWITCH '(' {PASS12 new_state();} E ')' '{' MAYBE_CASE_LIST '}' {
$$=$4.c;
$$ = code_append($$, $7);
code_t*out = $$ = abc_pop($$);
}
$$ = var_block($$);
- old_state();
+ PASS12 old_state();
}
/* ------------ try / catch /finally ---------------- */
-CATCH: "catch" '(' T_IDENTIFIER MAYBETYPE ')' {new_state();state->exception_name=$3;new_variable($3, $4, 0);}
+CATCH: "catch" '(' T_IDENTIFIER MAYBETYPE ')' {PASS12 new_state();
+ state->exception_name=$3;
+ PASS1 new_variable($3, 0, 0, 0);
+ PASS2 new_variable($3, $4, 0, 0);
+ }
'{' MAYBECODE '}' {
namespace_t name_ns = {ACCESS_PACKAGE, ""};
multiname_t name = {QNAME, &name_ns, 0, $3};
$$ = e;
code_t*c = 0;
- int i = find_variable_safe($3)->index;
+ int i = find_variable_safe(state, $3)->index;
e->target = c = abc_nop(0);
c = abc_setlocal(c, i);
c = code_append(c, $8);
c = abc_kill(c, i);
c = var_block(c);
- old_state();
+ PASS12 old_state();
}
-FINALLY: "finally" '{' {new_state();state->exception_name=0;} MAYBECODE '}' {
+FINALLY: "finally" '{' {PASS12 new_state();state->exception_name=0;} MAYBECODE '}' {
$4 = var_block($4);
if(!$4) {
$$=0;
- old_state();
} else {
NEW(abc_exception_t, e)
e->exc_type = 0; //all exceptions
e->target = 0;
e->to = abc_nop(0);
e->to = code_append(e->to, $4);
- old_state();
$$ = e;
}
+ PASS12 old_state();
}
CATCH_LIST: CATCH {$$.l=list_new();$$.finally=0;list_append($$.l,$1);}
}
}
-TRY : "try" '{' {new_state();} MAYBECODE '}' CATCH_FINALLY_LIST {
+TRY : "try" '{' {PASS12 new_state();} MAYBECODE '}' CATCH_FINALLY_LIST {
code_t*out = abc_nop(0);
code_t*start = abc_nop(0);
int tmp;
if($6.finally)
- tmp = new_variable("__finally__", 0, 0);
+ tmp = new_variable("__finally__", 0, 0, 0);
abc_exception_list_t*l = $6.l;
int count=0;
list_concat(state->method->exceptions, $6.l);
$$ = var_block($$);
- old_state();
+ PASS12 old_state();
}
/* ------------ throw ------------------------------- */
THROW : "throw" %prec prec_none {
if(!state->exception_name)
syntaxerror("re-throw only possible within a catch block");
- variable_t*v = find_variable(state->exception_name);
+ variable_t*v = find_variable(state, state->exception_name);
$$=code_new();
$$=abc_getlocal($$, v->index);
$$=abc_throw($$);
PACKAGE_DECLARATION : "package" '{' {PASS12 startpackage("");}
MAYBE_INPACKAGE_CODE_LIST '}' {PASS12 endpackage();$$=0;}
-IMPORT : "import" QNAME {
+IMPORT : "import" PACKAGEANDCLASS {
+ PASS12
+ slotinfo_t*s = registry_find($2->package, $2->name);
+ if(!s) {// || !(s->flags&FLAG_BUILTIN)) {
+ as3_schedule_class($2->package, $2->name);
+ }
+
+ PASS2
classinfo_t*c = $2;
if(!c)
syntaxerror("Couldn't import class\n");
$$=0;
}
IMPORT : "import" PACKAGE '.' '*' {
+ PASS12
+ if(strncmp("flash.", $2, 6)) {
+ as3_schedule_package($2);
+ }
+
+ PASS2
NEW(import_t,i);
i->package = $2;
state_has_imports();
| KW_OVERRIDE {PASS12 $$=FLAG_OVERRIDE;}
| KW_NATIVE {PASS12 $$=FLAG_NATIVE;}
| KW_INTERNAL {PASS12 $$=FLAG_PACKAGEINTERNAL;}
+ | T_NAMESPACE {PASS12 $$=FLAG_NAMESPACE;}
EXTENDS : {$$=registry_getobjectclass();}
-EXTENDS : KW_EXTENDS QNAME {$$=$2;}
+EXTENDS : KW_EXTENDS CLASS_SPEC {$$=$2;}
-EXTENDS_LIST : {$$=list_new();}
-EXTENDS_LIST : KW_EXTENDS QNAME_LIST {$$=$2;}
+EXTENDS_LIST : {PASS12 $$=list_new();}
+EXTENDS_LIST : KW_EXTENDS CLASS_SPEC_LIST {PASS12 $$=$2;}
IMPLEMENTS_LIST : {PASS12 $$=list_new();}
-IMPLEMENTS_LIST : KW_IMPLEMENTS QNAME_LIST {PASS12 $$=$2;}
+IMPLEMENTS_LIST : KW_IMPLEMENTS CLASS_SPEC_LIST {PASS12 $$=$2;}
CLASS_DECLARATION : MAYBE_MODIFIERS "class" T_IDENTIFIER
EXTENDS IMPLEMENTS_LIST
- '{' {PASS12 startclass($1,$3,$4,$5, 0);}
+ '{' {PASS12 startclass($1,$3,$4,$5);}
MAYBE_CLASS_BODY
'}' {PASS12 endclass();$$=0;}
INTERFACE_DECLARATION : MAYBE_MODIFIERS "interface" T_IDENTIFIER
EXTENDS_LIST
- '{' {PASS12 startclass($1,$3,0,$4,1);}
+ '{' {PASS12 startclass($1|FLAG_INTERFACE,$3,0,$4);}
MAYBE_INTERFACE_BODY
'}' {PASS12 endclass();$$=0;}
CLASS_BODY : CLASS_BODY_ITEM
CLASS_BODY : CLASS_BODY CLASS_BODY_ITEM
CLASS_BODY_ITEM : ';'
+CLASS_BODY_ITEM : CONDITIONAL_COMPILATION '{' MAYBE_CLASS_BODY '}'
CLASS_BODY_ITEM : SLOT_DECLARATION
CLASS_BODY_ITEM : FUNCTION_DECLARATION
CLASS_BODY_ITEM : CODE_STATEMENT {
- code_t*c = state->cls->static_init;
+ code_t*c = state->cls->static_init->header;
c = code_append(c, $1);
- state->cls->static_init = c;
+ state->cls->static_init->header = c;
}
MAYBE_INTERFACE_BODY :
}
startfunction(0,$1,$3,$4,&$6,$8);
endfunction(0,$1,$3,$4,&$6,$8, 0);
+ list_deep_free($6.list);
}
/* ------------ classes and interfaces (body, slots ) ------- */
VARCONST: "var" | "const"
-SLOT_DECLARATION: MAYBE_MODIFIERS VARCONST T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION {
+SLOT_DECLARATION: MAYBE_MODIFIERS VARCONST T_IDENTIFIER {setstaticfunction($1);} MAYBETYPE MAYBEEXPRESSION {
int flags = $1;
- memberinfo_t* info = state->cls?
- memberinfo_register(state->cls->info, $3, MEMBER_SLOT):
- memberinfo_register_global(flags2access($1), state->package, $3, MEMBER_SLOT);
+ U8 access = flags2access($1);
- info->type = $4;
+ varinfo_t* info = 0;
+ if(state->cls) {
+ memberinfo_t*i = registry_findmember(state->cls->info, $3, 1);
+ if(i) {
+ check_override(i, flags);
+ }
+ info = varinfo_register_onclass(state->cls->info, access, $3);
+ } else {
+ slotinfo_t*i = registry_find(state->package, $3);
+ if(i) {
+ syntaxerror("package %s already contains '%s'", state->package, $3);
+ }
+ info = varinfo_register_global(access, state->package, $3);
+ }
+
+ info->type = $5;
info->flags = flags;
/* slot name */
- namespace_t mname_ns = {flags2access(flags), ""};
+ namespace_t mname_ns = {access, ""};
multiname_t mname = {QNAME, &mname_ns, 0, $3};
trait_list_t**traits;
code_t**code;
if(!state->cls) {
// global variable
+ mname_ns.name = state->package;
traits = &global->init->traits;
code = &global->init->method->body->code;
} else if(flags&FLAG_STATIC) {
// static variable
traits = &state->cls->abc->static_traits;
- code = &state->cls->static_init;
+ code = &state->cls->static_init->header;
} else {
// instance variable
traits = &state->cls->abc->traits;
- code = &state->cls->init;
+ code = &state->cls->init->header;
}
trait_t*t=0;
- if($4) {
- MULTINAME(m, $4);
+ if($5) {
+ MULTINAME(m, $5);
t = trait_new_member(traits, multiname_clone(&m), multiname_clone(&mname), 0);
} else {
t = trait_new_member(traits, 0, multiname_clone(&mname), 0);
/* initalization code (if needed) */
code_t*c = 0;
- if($5.c && !is_pushundefined($5.c)) {
+ if($6.c && !is_pushundefined($6.c)) {
c = abc_getlocal_0(c);
- c = code_append(c, $5.c);
- c = converttype(c, $5.t, $4);
+ c = code_append(c, $6.c);
+ c = converttype(c, $6.t, $5);
c = abc_setslot(c, t->slot_id);
}
}
$$=0;
+ setstaticfunction(0);
}
/* ------------ constants -------------------------------------- */
STATICCONSTANT : T_INT {$$ = constant_new_int($1);}
STATICCONSTANT : T_UINT {$$ = constant_new_uint($1);}
STATICCONSTANT : T_FLOAT {$$ = constant_new_float($1);}
-STATICCONSTANT : T_STRING {$$ = constant_new_string2($1.str,$1.len);}
+STATICCONSTANT : T_STRING {$$ = constant_new_string2($1.str,$1.len);free((char*)$1.str);}
//STATICCONSTANT : T_NAMESPACE {$$ = constant_new_namespace($1);}
STATICCONSTANT : "true" {$$ = constant_new_true($1);}
STATICCONSTANT : "false" {$$ = constant_new_false($1);}
STATICCONSTANT : "null" {$$ = constant_new_null($1);}
+STATICCONSTANT : T_IDENTIFIER {
+ // TODO
+ as3_warning("Couldn't resolve %s", $1);
+ $$ = constant_new_null($1);
+}
/* ------------ classes and interfaces (body, functions) ------- */
// non-vararg version
MAYBE_PARAM_LIST: {
+ PASS12
memset(&$$,0,sizeof($$));
}
MAYBE_PARAM_LIST: PARAM_LIST {
+ PASS12
$$=$1;
}
// vararg version
MAYBE_PARAM_LIST: "..." PARAM {
+ PASS12
memset(&$$,0,sizeof($$));
$$.varargs=1;
list_append($$.list, $2);
}
MAYBE_PARAM_LIST: PARAM_LIST ',' "..." PARAM {
+ PASS12
$$ =$1;
$$.varargs=1;
list_append($$.list, $4);
// non empty
PARAM_LIST: PARAM_LIST ',' PARAM {
+ PASS12
$$ = $1;
list_append($$.list, $3);
}
PARAM_LIST: PARAM {
+ PASS12
memset(&$$,0,sizeof($$));
list_append($$.list, $1);
}
PARAM: T_IDENTIFIER ':' TYPE MAYBESTATICCONSTANT {
- $$ = malloc(sizeof(param_t));
+ PASS12
+ $$ = rfx_calloc(sizeof(param_t));
$$->name=$1;
$$->type = $3;
+ PASS2
$$->value = $4;
}
PARAM: T_IDENTIFIER MAYBESTATICCONSTANT {
- $$ = malloc(sizeof(param_t));
+ PASS12
+ $$ = rfx_calloc(sizeof(param_t));
$$->name=$1;
$$->type = TYPE_ANY;
+ PASS2
$$->value = $2;
}
-GETSET : "get" {$$=$1;}
- | "set" {$$=$1;}
- | {$$=0;}
+GETSET : "get"
+ | "set"
+ | {PASS12 $$=0;}
FUNCTION_DECLARATION: MAYBE_MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LIST ')'
MAYBETYPE '{' {PASS12 startfunction(0,$1,$3,$4,&$6,$8);} MAYBECODE '}'
{
- PASS1 old_state();
+ PASS1
+ endfunction(0,$1,$3,$4,&$6,0,0);
PASS2
- code_t*c = 0;
- if(state->method->late_binding) {
- c = abc_getlocal_0(c);
- c = abc_pushscope(c);
- }
- if(state->method->is_constructor && !state->method->has_super) {
- // call default constructor
- c = abc_getlocal_0(c);
- c = abc_constructsuper(c, 0);
- }
+ if(!state->method->info) syntaxerror("internal error");
+
+ code_t*c = method_header(state->method);
c = wrap_function(c, 0, $11);
endfunction(0,$1,$3,$4,&$6,$8,c);
+ PASS12
+ list_deep_free($6.list);
$$=0;
}
MAYBE_IDENTIFIER: T_IDENTIFIER
-MAYBE_IDENTIFIER: {$$=0;}
-INNERFUNCTION: "function" MAYBE_IDENTIFIER '(' MAYBE_PARAM_LIST ')' MAYBETYPE '{' MAYBECODE '}'
+MAYBE_IDENTIFIER: {PASS12 $$=0;}
+INNERFUNCTION: "function" MAYBE_IDENTIFIER '(' MAYBE_PARAM_LIST ')' MAYBETYPE
+ '{' {PASS12 innerfunction($2,&$4,$6);} MAYBECODE '}'
{
- syntaxerror("nested functions not supported yet");
+ PASS1
+ endfunction(0,0,0,$2,&$4,0,0);
+ PASS2
+ methodinfo_t*f = state->method->info;
+ if(!f || !f->kind) syntaxerror("internal error");
+
+ code_t*c = method_header(state->method);
+ c = wrap_function(c, 0, $9);
+
+ int index = state->method->var_index;
+ endfunction(0,0,0,$2,&$4,$6,c);
+
+ $$.c = abc_getlocal(0, index);
+ $$.t = TYPE_FUNCTION(f);
+
+ PASS12 list_deep_free($4.list);
}
CLASS: T_IDENTIFIER {
PASS1 $$=0;
PASS2
- /* try current package */
- $$ = find_class($1);
- if(!$$) syntaxerror("Could not find class %s\n", $1);
+ slotinfo_t*s = find_class($1);
+ if(!s) syntaxerror("Could not find class/method %s (current package: %s)\n", $1, state->package);
+ $$ = (classinfo_t*)s;
}
PACKAGEANDCLASS : PACKAGE '.' T_IDENTIFIER {
- PASS1 $$=0;
+ PASS1 static classinfo_t c;
+ memset(&c, 0, sizeof(c));
+ c.package = $1;
+ c.name = $3;
+ $$=&c;
PASS2
- $$ = registry_findclass($1, $3);
- if(!$$) syntaxerror("Couldn't find class %s.%s\n", $1, $3);
+ slotinfo_t*s = registry_find($1, $3);
+ if(!s) syntaxerror("Couldn't find class/method %s.%s\n", $1, $3);
free($1);$1=0;
+ $$ = (classinfo_t*)s;
}
-QNAME: PACKAGEANDCLASS
- | CLASS
+CLASS_SPEC: PACKAGEANDCLASS
+ | CLASS
-QNAME_LIST : QNAME {PASS12 $$=list_new();list_append($$, $1);}
-QNAME_LIST : QNAME_LIST ',' QNAME {PASS12 $$=$1;list_append($$,$3);}
+CLASS_SPEC_LIST : CLASS_SPEC {PASS12 $$=list_new();list_append($$, $1);}
+CLASS_SPEC_LIST : CLASS_SPEC_LIST ',' CLASS_SPEC {PASS12 $$=$1;list_append($$,$3);}
-TYPE : QNAME {$$=$1;}
+TYPE : CLASS_SPEC {$$=$1;}
| '*' {$$=registry_getanytype();}
| "void" {$$=registry_getanytype();}
/*
MAYBE_EXPRESSION_LIST : {$$.cc=0;$$.len=0;}
MAYBE_EXPRESSION_LIST : EXPRESSION_LIST
+MAYBE_EXPRESSION_LIST : EXPRESSION_LIST_AND_COMMA
+
EXPRESSION_LIST : NONCOMMAEXPRESSION {$$.len=1;
$$.cc = $1.c;
}
-EXPRESSION_LIST : EXPRESSION_LIST ',' NONCOMMAEXPRESSION {
+
+EXPRESSION_LIST_AND_COMMA: EXPRESSION_LIST ',' {$$ = $1;}
+EXPRESSION_LIST : EXPRESSION_LIST_AND_COMMA NONCOMMAEXPRESSION {
$$.len= $1.len+1;
- $$.cc = code_append($1.cc, $3.c);
+ $$.cc = code_append($1.cc, $2.c);
}
-
-NEW : "new" CLASS MAYBE_PARAM_VALUES {
- MULTINAME(m, $2);
- $$.c = code_new();
-
- if($2->slot) {
- $$.c = abc_getglobalscope($$.c);
- $$.c = abc_getslot($$.c, $2->slot);
+
+XX : %prec new2
+NEW : "new" E XX MAYBE_PARAM_VALUES {
+ $$.c = $2.c;
+ if($$.c->opcode == OPCODE_COERCE_A) $$.c = code_cutlast($$.c);
+
+ code_t*paramcode = $4.cc;
+ if($$.c->opcode == OPCODE_GETPROPERTY) {
+ multiname_t*name = $$.c->data[0];$$.c->data[0]=0;
+ $$.c = code_cutlast($$.c);
+ $$.c = code_append($$.c, paramcode);
+ $$.c = abc_constructprop2($$.c, name, $4.len);
+ multiname_destroy(name);
+ } else if($$.c->opcode == OPCODE_GETSLOT) {
+ int slot = (int)(ptroff_t)$$.c->data[0];
+ trait_t*t = traits_find_slotid(state->cls->abc->traits,slot);//FIXME
+ multiname_t*name = t->name;
+ $$.c = code_cutlast($$.c);
+ $$.c = code_append($$.c, paramcode);
+ $$.c = abc_constructprop2($$.c, name, $4.len);
} else {
- $$.c = abc_findpropstrict2($$.c, &m);
+ $$.c = code_append($$.c, paramcode);
+ $$.c = abc_construct($$.c, $4.len);
+ }
+
+ $$.t = TYPE_ANY;
+ if(TYPE_IS_CLASS($2.t) && $2.t->data) {
+ $$.t = $2.t->data;
+ } else {
+ $$.c = abc_coerce_a($$.c);
+ $$.t = TYPE_ANY;
}
-
- $$.c = code_append($$.c, $3.cc);
-
- if($2->slot)
- $$.c = abc_construct($$.c, $3.len);
- else
- $$.c = abc_constructprop2($$.c, &m, $3.len);
- $$.t = $2;
}
/* TODO: use abc_call (for calling local variables),
$$.c = code_append($$.c, paramcode);
$$.c = abc_callproperty2($$.c, name, $3.len);
multiname_destroy(name);
- } else if($$.c->opcode == OPCODE_GETSLOT) {
+ } else if($$.c->opcode == OPCODE_GETSLOT && $$.c->prev->opcode != OPCODE_GETSCOPEOBJECT) {
int slot = (int)(ptroff_t)$$.c->data[0];
- trait_t*t = abc_class_find_slotid(state->cls->abc,slot);//FIXME
+ trait_t*t = traits_find_slotid(state->cls->abc->traits,slot);
if(t->kind!=TRAIT_METHOD) {
//ok: flash allows to assign closures to members.
}
$$.c = abc_callsuper2($$.c, name, $3.len);
multiname_destroy(name);
} else {
- $$.c = abc_getlocal_0($$.c);
+ $$.c = abc_getglobalscope($$.c);
$$.c = code_append($$.c, paramcode);
$$.c = abc_call($$.c, $3.len);
}
- memberinfo_t*f = 0;
-
- if(TYPE_IS_FUNCTION($1.t) && $1.t->function) {
- $$.t = $1.t->function->return_type;
+ if(TYPE_IS_FUNCTION($1.t) && $1.t->data) {
+ $$.t = ((methodinfo_t*)($1.t->data))->return_type;
} else {
$$.c = abc_coerce_a($$.c);
$$.t = TYPE_ANY;
}
-
}
+
FUNCTIONCALL : "super" '(' MAYBE_EXPRESSION_LIST ')' {
if(!state->cls) syntaxerror("super() not allowed outside of a class");
if(!state->method) syntaxerror("super() not allowed outside of a function");
syntaxerror("constructor may call super() only once");
*/
state->method->has_super = 1;
+
$$.c = abc_constructsuper($$.c, $3.len);
$$.c = abc_pushundefined($$.c);
$$.t = TYPE_ANY;
$$.c->opcode = OPCODE_DELETEPROPERTY;
} else if($$.c->opcode == OPCODE_GETSLOT) {
int slot = (int)(ptroff_t)$$.c->data[0];
- multiname_t*name = abc_class_find_slotid(state->cls->abc,slot)->name;
+ multiname_t*name = traits_find_slotid(state->cls->abc->traits,slot)->name;
$$.c = code_cutlast($$.c);
$$.c = abc_deleteproperty2($$.c, name);
} else {
//V : DELETE {$$ = $1.c;}
E : DELETE {$$ = $1;}
+E : FUNCTIONCALL
+
E : T_REGEXP {
$$.c = 0;
namespace_t ns = {ACCESS_PACKAGE, ""};
CONSTANT : T_FLOAT {$$.c = abc_pushdouble(0, $1);
$$.t = TYPE_FLOAT;
}
-CONSTANT : T_STRING {$$.c = abc_pushstring2(0, &$1);
+CONSTANT : T_STRING {$$.c = abc_pushstring2(0, &$1);free((char*)$1.str);
$$.t = TYPE_STRING;
}
CONSTANT : "undefined" {$$.c = abc_pushundefined(0);
$$.t = TYPE_NULL;
}
-E : FUNCTIONCALL
E : E '<' E {$$.c = code_append($1.c,$3.c);$$.c = abc_greaterequals($$.c);$$.c=abc_not($$.c);
$$.t = TYPE_BOOLEAN;
}
}
E : E "as" E {char use_astype=0; // flash player's astype works differently than astypelate
- if(use_astype && TYPE_IS_CLASS($3.t)) {
- MULTINAME(m,$3.t->cls);
+ if(use_astype && TYPE_IS_CLASS($3.t) && $3.t->data) {
+ MULTINAME(m, (classinfo_t*)($3.t->data));
$$.c = abc_astype2($1.c, &m);
- $$.t = $3.t->cls;
+ $$.t = $3.t->data;
} else {
$$.c = code_append($1.c, $3.c);
$$.c = abc_astypelate($$.c);
E : E '[' E ']' {
$$.c = $1.c;
$$.c = code_append($$.c, $3.c);
-
+
MULTINAME_LATE(m, $1.t?$1.t->access:ACCESS_PACKAGE, "");
$$.c = abc_getproperty2($$.c, &m);
$$.t = 0; // array elements have unknown type
//MAYBECOMMA: ','
//MAYBECOMMA:
-E : '{' MAYBE_EXPRPAIR_LIST '}' {
+E : "{ (dictionary)" MAYBE_EXPRPAIR_LIST '}' {
$$.c = code_new();
$$.c = code_append($$.c, $2.cc);
$$.c = abc_newobject($$.c, $2.len/2);
$$.c = toreadwrite($1.c, c, 0, 0);
$$.t = $1.t;
}
+E : E "^=" E {
+ code_t*c = abc_bitxor($3.c);
+ c=converttype(c, TYPE_INT, $1.t);
+ $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.t = $1.t;
+ }
E : E "+=" E {
code_t*c = $3.c;
if(!t) t = TYPE_OBJECT;
memberinfo_t*f = registry_findmember(t, $3, 1);
- namespace_t ns = flags2namespace(f->flags, "");
+ namespace_t ns = {f->access, ""};
MEMBER_MULTINAME(m, f, $3);
$$.c = 0;
$$.c = abc_getlocal_0($$.c);
$$.c = abc_getsuper2($$.c, &m);
- $$.t = memberinfo_gettype(f);
+ $$.t = slotinfo_gettype((slotinfo_t*)f);
+ }
+
+E : '@' T_IDENTIFIER {
+ // attribute TODO
+ $$.c = abc_pushundefined(0);
+ $$.t = 0;
+ as3_warning("ignored @ operator");
}
+E : E '.' '@' T_IDENTIFIER {
+ // child attribute TODO
+ $$.c = abc_pushundefined(0);
+ $$.t = 0;
+ as3_warning("ignored .@ operator");
+ }
+
+E : E '.' T_IDENTIFIER "::" T_IDENTIFIER {
+ // namespace declaration TODO
+ $$.c = abc_pushundefined(0);
+ $$.t = 0;
+ as3_warning("ignored :: operator");
+ }
+
+E : E ".." T_IDENTIFIER {
+ // descendants TODO
+ $$.c = abc_pushundefined(0);
+ $$.t = 0;
+ as3_warning("ignored .. operator");
+ }
+
+E : E '.' '(' E ')' {
+ // filter TODO
+ $$.c = abc_pushundefined(0);
+ $$.t = 0;
+ as3_warning("ignored .() operator");
+ }
+
+//VARIABLE : VARIABLE "::" '[' EXPRESSION ']' // qualified expression
+
+
+
E : E '.' T_IDENTIFIER
{$$.c = $1.c;
classinfo_t*t = $1.t;
char is_static = 0;
- if(TYPE_IS_CLASS(t) && t->cls) {
- t = t->cls;
+ if(TYPE_IS_CLASS(t) && t->data) {
+ t = t->data;
is_static = 1;
}
if(t) {
$$.c = abc_getproperty2($$.c, &m);
}
/* determine type */
- $$.t = memberinfo_gettype(f);
+ $$.t = slotinfo_gettype((slotinfo_t*)f);
if(!$$.t)
$$.c = abc_coerce_a($$.c);
} else {
}
VAR_READ : T_IDENTIFIER {
+ PASS1
+ /* Queue unresolved identifiers for checking against the parent
+ function's variables.
+ We consider everything which is not a local variable "unresolved".
+ This encompasses class names, members of the surrounding class
+ etc. which *correct* because local variables of the parent function
+ would shadow those.
+ */
+ if(state->method->inner && !find_variable(state, $1)) {
+ unknown_variable($1);
+ }
+ PASS2
+
$$.t = 0;
$$.c = 0;
- classinfo_t*a = 0;
+ slotinfo_t*a = 0;
memberinfo_t*f = 0;
variable_t*v;
/* look at variables */
- if((v = find_variable($1))) {
+ if((v = find_variable(state, $1))) {
// $1 is a local variable
$$.c = abc_getlocal($$.c, v->index);
$$.t = v->type;
break;
}
+ if((v = find_slot(state, $1))) {
+ $$.c = abc_getscopeobject($$.c, 1);
+ $$.c = abc_getslot($$.c, v->index);
+ $$.t = v->type;
+ break;
+ }
int i_am_static = (state->method && state->method->info)?(state->method->info->flags&FLAG_STATIC):FLAG_STATIC;
// $1 is a function in this class
int var_is_static = (f->flags&FLAG_STATIC);
- if(f->kind == MEMBER_METHOD) {
+ if(f->kind == INFOTYPE_METHOD) {
$$.t = TYPE_FUNCTION(f);
} else {
$$.t = f->type;
static properties of a class */
state->method->late_binding = 1;
$$.t = f->type;
- namespace_t ns = {flags2access(f->flags), ""};
+ namespace_t ns = {f->access, ""};
multiname_t m = {QNAME, &ns, 0, $1};
$$.c = abc_findpropstrict2($$.c, &m);
$$.c = abc_getproperty2($$.c, &m);
$$.c = abc_getslot($$.c, f->slot);
break;
} else {
- namespace_t ns = {flags2access(f->flags), ""};
+ namespace_t ns = {f->access, ""};
multiname_t m = {QNAME, &ns, 0, $1};
$$.c = abc_getlocal_0($$.c);
$$.c = abc_getproperty2($$.c, &m);
/* look at actual classes, in the current package and imported */
if((a = find_class($1))) {
- if(a->flags & FLAG_METHOD) {
+ if(a->access == ACCESS_PACKAGEINTERNAL &&
+ strcmp(a->package, state->package) &&
+ strcmp(a->package, internal_filename_package)
+ )
+ syntaxerror("Can't access internal %s %s in package '%s' from package '%s'",
+ infotypename(a),$1, a->package, state->package);
+
+ if(a->kind != INFOTYPE_CLASS) {
MULTINAME(m, a);
$$.c = abc_findpropstrict2($$.c, &m);
$$.c = abc_getproperty2($$.c, &m);
- if(a->function->kind == MEMBER_METHOD) {
- $$.t = TYPE_FUNCTION(a->function);
+ if(a->kind == INFOTYPE_METHOD) {
+ methodinfo_t*f = (methodinfo_t*)a;
+ $$.t = TYPE_FUNCTION(f);
} else {
- $$.t = a->function->type;
+ varinfo_t*v = (varinfo_t*)a;
+ $$.t = v->type;
}
} else {
- if(a->slot) {
+ classinfo_t*c = (classinfo_t*)a;
+ if(c->slot) {
$$.c = abc_getglobalscope($$.c);
- $$.c = abc_getslot($$.c, a->slot);
+ $$.c = abc_getslot($$.c, c->slot);
} else {
- MULTINAME(m, a);
+ MULTINAME(m, c);
$$.c = abc_getlex2($$.c, &m);
}
- $$.t = TYPE_CLASS(a);
+ $$.t = TYPE_CLASS(c);
}
break;
}
/* unknown object, let the avm2 resolve it */
if(1) {
- if(strcmp($1,"trace"))
- as3_softwarning("Couldn't resolve '%s', doing late binding", $1);
+ as3_softwarning("Couldn't resolve '%s', doing late binding", $1);
state->method->late_binding = 1;
multiname_t m = {MULTINAME, 0, &nopackage_namespace_set, $1};
}
}
-//TODO:
-//VARIABLE : VARIABLE ".." T_IDENTIFIER // descendants
-//VARIABLE : VARIABLE "::" VARIABLE // namespace declaration
-//VARIABLE : VARIABLE "::" '[' EXPRESSION ']' // qualified expression
-
// ----------------- namespaces -------------------------------------------------
NAMESPACE_DECLARATION : MAYBE_MODIFIERS "namespace" T_IDENTIFIER {$$=0;}
NAMESPACE_DECLARATION : MAYBE_MODIFIERS "namespace" T_IDENTIFIER '=' T_IDENTIFIER {$$=0;}
NAMESPACE_DECLARATION : MAYBE_MODIFIERS "namespace" T_IDENTIFIER '=' T_STRING {$$=0;}
-USE_NAMESPACE : "use" "namespace" T_IDENTIFIER {$$=0;}
+USE_NAMESPACE : "use" "namespace" T_IDENTIFIER {
+ PASS12
+ tokenizer_register_namespace($3);
+ $$=0;
+}
git.asbjorn.biz / swftools.git / blobdiff