double number_float;
code_t*code;
typedcode_t value;
- typedcode_list_t*value_list;
+ //typedcode_list_t*value_list;
+ codeandnumber_t value_list;
param_t* param;
params_t params;
string_t str;
char*id;
constant_t*constant;
+ for_start_t for_start;
+ abc_exception_t *exception;
+ abc_exception_list_t *exception_list;
}
%token<number_uint> T_SHORT
%token<number_float> T_FLOAT
-%token<token> KW_IMPLEMENTS
+%token<id> T_FOR "for"
+%token<id> T_WHILE "while"
+%token<id> T_DO "do"
+%token<id> T_SWITCH "switch"
+
+%token<token> KW_IMPLEMENTS "implements"
%token<token> KW_NAMESPACE "namespace"
%token<token> KW_PACKAGE "package"
-%token<token> KW_PROTECTED
-%token<token> KW_PUBLIC
-%token<token> KW_PRIVATE
+%token<token> KW_PROTECTED "protected"
+%token<token> KW_PUBLIC "public"
+%token<token> KW_PRIVATE "private"
%token<token> KW_USE "use"
-%token<token> KW_INTERNAL
+%token<token> KW_INTERNAL "internal"
%token<token> KW_NEW "new"
-%token<token> KW_NATIVE
+%token<token> KW_NATIVE "native"
%token<token> KW_FUNCTION "function"
%token<token> KW_UNDEFINED "undefined"
-%token<token> KW_FOR "for"
+%token<token> KW_CONTINUE "continue"
%token<token> KW_CLASS "class"
%token<token> KW_CONST "const"
+%token<token> KW_CATCH "catch"
+%token<token> KW_CASE "case"
%token<token> KW_SET "set"
%token<token> KW_VOID "void"
-%token<token> KW_STATIC
+%token<token> KW_THROW "throw"
+%token<token> KW_STATIC "static"
+%token<token> KW_WITH "with"
%token<token> KW_INSTANCEOF "instanceof"
%token<token> KW_IMPORT "import"
%token<token> KW_RETURN "return"
%token<token> KW_INTERFACE "interface"
%token<token> KW_NULL "null"
%token<token> KW_VAR "var"
-%token<token> KW_DYNAMIC
-%token<token> KW_OVERRIDE
-%token<token> KW_FINAL
+%token<token> KW_DYNAMIC "dynamic"
+%token<token> KW_OVERRIDE "override"
+%token<token> KW_FINAL "final"
+%token<token> KW_EACH "each"
%token<token> KW_GET "get"
+%token<token> KW_TRY "try"
%token<token> KW_SUPER "super"
-%token<token> KW_EXTENDS
+%token<token> KW_EXTENDS "extends"
%token<token> KW_FALSE "false"
%token<token> KW_TRUE "true"
%token<token> KW_BOOLEAN "Boolean"
%token<token> KW_UINT "uint"
%token<token> KW_INT "int"
-%token<token> KW_WHILE "while"
%token<token> KW_NUMBER "Number"
%token<token> KW_STRING "String"
+%token<token> KW_DEFAULT "default"
%token<token> KW_DELETE "delete"
%token<token> KW_IF "if"
%token<token> KW_ELSE "else"
%token<token> KW_BREAK "break"
%token<token> KW_IS "is"
+%token<token> KW_IN "in"
%token<token> KW_AS "as"
%token<token> T_EQEQ "=="
%token<token> T_USHR ">>>"
%token<token> T_SHR ">>"
-%type <id> X_IDENTIFIER PACKAGE
+%type <for_start> FOR_START
+%type <id> X_IDENTIFIER PACKAGE FOR_IN_INIT
%type <token> VARCONST
%type <code> CODE
-%type <code> CODEPIECE
-%type <code> CODEBLOCK MAYBECODE
-%type <token> PACKAGE_DECLARATION
-%type <token> FUNCTION_DECLARATION
-%type <code> VARIABLE_DECLARATION ONE_VARIABLE VARIABLE_LIST
-%type <token> CLASS_DECLARATION
-%type <token> NAMESPACE_DECLARATION
-%type <token> INTERFACE_DECLARATION
+%type <code> CODEPIECE CODE_STATEMENT
+%type <code> CODEBLOCK MAYBECODE MAYBE_CASE_LIST CASE_LIST DEFAULT CASE SWITCH WITH
+%type <code> PACKAGE_DECLARATION SLOT_DECLARATION
+%type <code> FUNCTION_DECLARATION PACKAGE_INITCODE
+%type <code> VARIABLE_DECLARATION ONE_VARIABLE VARIABLE_LIST THROW
+%type <exception> CATCH
+%type <exception_list> CATCH_LIST
+%type <code> CLASS_DECLARATION
+%type <code> NAMESPACE_DECLARATION
+%type <code> INTERFACE_DECLARATION
%type <code> VOIDEXPRESSION
%type <value> EXPRESSION NONCOMMAEXPRESSION
%type <value> MAYBEEXPRESSION
%type <value> E DELETE
%type <value> CONSTANT
-%type <code> FOR IF WHILE MAYBEELSE BREAK RETURN
+%type <code> FOR FOR_IN IF WHILE DO_WHILE MAYBEELSE BREAK RETURN CONTINUE TRY
%type <token> USE_NAMESPACE
%type <code> FOR_INIT
-%type <token> IMPORT
+%type <code> IMPORT
%type <classinfo> MAYBETYPE
%type <token> GETSET
%type <param> PARAM
%type <classinfo> CLASS PACKAGEANDCLASS QNAME
%type <classinfo_list> QNAME_LIST
%type <classinfo> TYPE
-%type <token> VAR
//%type <token> VARIABLE
%type <value> VAR_READ
%type <value> NEW
//%type <token> T_IDENTIFIER
%type <token> MODIFIER
%type <value> FUNCTIONCALL
-%type <value_list> MAYBE_EXPRESSION_LIST EXPRESSION_LIST MAYBE_PARAM_VALUES
+%type <value_list> MAYBE_EXPRESSION_LIST EXPRESSION_LIST MAYBE_PARAM_VALUES MAYBE_EXPRPAIR_LIST EXPRPAIR_LIST
// precedence: from low to high
%nonassoc '^'
%nonassoc '&'
%nonassoc "==" "!=" "===" "!=="
-%nonassoc "is" "as"
+%nonassoc "is" "as" "in"
%nonassoc "<=" '<' ">=" '>' "instanceof" // TODO: support "a < b < c" syntax?
%left "<<" ">>" ">>>"
%left below_minus
%left '/' '*' '%'
%left plusplus_prefix minusminus_prefix '~' '!' "void" "delete" "typeof" //FIXME: *unary* + - should be here, too
%left "--" "++"
+%nonassoc below_curly
%left '[' ']' '{' "new" '.' ".." "::"
%nonassoc T_IDENTIFIER
+%left above_identifier
%left below_else
%nonassoc "else"
%left '('
%nonassoc T_INT T_UINT T_BYTE T_SHORT T_FLOAT
%nonassoc "false" "true" "null" "undefined" "super"
+
%{
{
syntaxerror("%s", s);
}
-static char* concat3str(const char* t1, const char* t2, const char* t3)
+
+static char* concat2(const char* t1, const char* t2)
+{
+ int l1 = strlen(t1);
+ int l2 = strlen(t2);
+ char*text = malloc(l1+l2+1);
+ memcpy(text , t1, l1);
+ memcpy(text+l1, t2, l2);
+ text[l1+l2] = 0;
+ return text;
+}
+static char* concat3(const char* t1, const char* t2, const char* t3)
{
int l1 = strlen(t1);
int l2 = strlen(t2);
code_t*initcode;
char is_constructor;
char has_super;
+ char is_global;
+ abc_exception_list_t*exceptions;
} methodstate_t;
typedef struct _state {
+ struct _state*old;
int level;
char*package;
classstate_t*cls;
methodstate_t*method;
+
+ char*exception_name;
dict_t*vars;
} state_t;
static namespace_list_t nl1 = {&ns1,&nl2};
static namespace_set_t nopackage_namespace_set = {&nl1};
-static state_list_t*state_stack=0;
-
-static void init_globals()
-{
- global = rfx_calloc(sizeof(global_t));
-}
-
static void new_state()
{
NEW(state_t, s);
- NEW(state_list_t, sl);
-
state_t*oldstate = state;
if(state)
memcpy(s, state, sizeof(state_t)); //shallow copy
- sl->next = state_stack;
- sl->state = s;
if(!s->imports) {
s->imports = dict_new();
}
- state_stack = sl;
state = s;
state->level++;
state->has_own_imports = 0;
- state->vars = dict_new();
+ state->vars = dict_new();
+ state->old = oldstate;
}
static void state_has_imports()
{
state->has_own_imports = 1;
}
+static void state_destroy(state_t*state)
+{
+ if(state->has_own_imports) {
+ list_free(state->wildcard_imports);
+ dict_destroy(state->imports);state->imports=0;
+ }
+ if(state->imports && (!state->old || state->old->imports!=state->imports)) {
+ dict_destroy(state->imports);state->imports=0;
+ }
+ if(state->vars) {
+ int t;
+ for(t=0;t<state->vars->hashsize;t++) {
+ dictentry_t*e =state->vars->slots[t];
+ while(e) {
+ free(e->data);e->data=0;
+ e = e->next;
+ }
+ }
+ dict_destroy(state->vars);state->vars=0;
+ }
+
+ free(state);
+}
+
static void old_state()
{
- if(!state_stack || !state_stack->next)
+ if(!state || !state->old)
syntaxerror("invalid nesting");
- state_t*oldstate = state;
- state_list_t*old = state_stack;
- state_stack = state_stack->next;
- free(old);
- state = state_stack->state;
+ state_t*leaving = state;
+ state = state->old;
/*if(state->method->initcode) {
printf("residual initcode\n");
code_dump(state->method->initcode, 0, 0, "", stdout);
}*/
- if(oldstate->has_own_imports) {
- list_free(oldstate->wildcard_imports);
- dict_destroy(oldstate->imports);oldstate->imports=0;
- }
+ state_destroy(leaving);
}
void initialize_state()
{
- init_globals();
+ global = rfx_calloc(sizeof(global_t));
new_state();
+ state->package = current_filename;
+
global->file = abc_file_new();
global->file->flags &= ~ABCFILE_LAZY;
+ global->variable_count = 1;
global->init = abc_initscript(global->file, 0);
code_t*c = global->init->method->body->code;
__ pushstring(m, "[leaving global init function]");
__ callpropvoid(m, "[package]::trace", 1);
__ returnvoid(m);
+
+ state_destroy(state);
+
return global->file;
}
static void startpackage(char*name)
{
- if(state->package) {
- syntaxerror("Packages can not be nested.");
- }
new_state();
/*printf("entering package \"%s\"\n", name);*/
- state->package = name;
+ state->package = strdup(name);
+ global->variable_count = 1;
}
static void endpackage()
{
/*printf("leaving package \"%s\"\n", state->package);*/
+
+ //used e.g. in classinfo_register:
+ //free(state->package);state->package=0;
+
old_state();
}
syntaxerror("inner classes now allowed");
}
new_state();
+ global->variable_count = 1;
state->cls = rfx_calloc(sizeof(classstate_t));
token_list_t*t=0;
printf("\n");
*/
- if(flags&~(FLAG_INTERNAL|FLAG_PUBLIC|FLAG_FINAL))
+ if(flags&~(FLAG_INTERNAL|FLAG_PUBLIC|FLAG_FINAL|FLAG_DYNAMIC))
syntaxerror("invalid modifier(s)");
if((flags&(FLAG_PUBLIC|FLAG_INTERNAL)) == (FLAG_PUBLIC|FLAG_INTERNAL))
/* flash.display.MovieClip handling */
if(!globalclass && (flags&FLAG_PUBLIC) && classinfo_equals(registry_getMovieClip(),extends)) {
if(state->package && state->package[0]) {
- globalclass = concat3str(state->package, ".", classname);
+ globalclass = concat3(state->package, ".", classname);
} else {
globalclass = strdup(classname);
}
abc_class_getstaticconstructor(state->cls->abc,0)->body->code = c;*/
}
+ free(state->cls);state->cls=0;
old_state();
}
classinfo_t*type;
} variable_t;
-static int find_variable(char*name, classinfo_t**m)
+static variable_t* find_variable(char*name)
{
- state_list_t* s = state_stack;
+ state_t* s = state;
while(s) {
variable_t*v = 0;
- if(s->state->method)
- v = dict_lookup(s->state->vars, name);
+ if(s->method)
+ v = dict_lookup(s->vars, name);
if(v) {
- if(m) {
- *m = v->type;
- }
- return v->index;
+ return v;
}
- s = s->next;
+ s = s->old;
}
- return -1;
+ return 0;
}
-static int find_variable_safe(char*name, classinfo_t**m)
+static variable_t* find_variable_safe(char*name)
{
- int i = find_variable(name, m);
- if(i<0)
+ variable_t* v = find_variable(name);
+ if(!v)
syntaxerror("undefined variable: %s", name);
- return i;
+ return v;
}
static char variable_exists(char*name)
{
return dict_lookup(state->vars, name)!=0;
}
-static int new_variable(char*name, classinfo_t*type)
+code_t*defaultvalue(code_t*c, classinfo_t*type);
+static int new_variable(char*name, classinfo_t*type, char init)
{
NEW(variable_t, v);
v->index = global->variable_count;
v->type = type;
+
dict_put(state->vars, name, v);
+
+ if(init && state->method && type) {
+ /* if this is a typed variable:
+ push default value for type on stack at the very beginning of the
+ method, so that it always has that type regardless of the control
+ path */
+ state->method->initcode = defaultvalue(state->method->initcode, type);
+ state->method->initcode = abc_setlocal(state->method->initcode, v->index);
+ }
return global->variable_count++;
}
#define TEMPVARNAME "__as3_temp__"
static int gettempvar()
{
- int i = find_variable(TEMPVARNAME, 0);
- if(i<0) {
- i = new_variable(TEMPVARNAME, 0);
- }
- return i;
+ variable_t*v = find_variable(TEMPVARNAME);
+ if(v)
+ return v->index;
+ return new_variable(TEMPVARNAME, 0, 0);
}
code_t* killvars(code_t*c)
//do this always, otherwise register types don't match
//in the verifier when doing nested loops
//if(!TYPE_IS_BUILTIN_SIMPLE(type)) {
- c = abc_kill(c, v->index);
+ c = abc_kill(c, v->index);
e = e->next;
}
}
return c;
}
+void check_code_for_break(code_t*c)
+{
+ while(c) {
+ if(c->opcode == OPCODE___BREAK__) {
+ char*name = string_cstr(c->data[0]);
+ syntaxerror("Unresolved \"break %s\"", name);
+ }
+ if(c->opcode == OPCODE___CONTINUE__) {
+ char*name = string_cstr(c->data[0]);
+ syntaxerror("Unresolved \"continue %s\"", name);
+ }
+ c=c->prev;
+ }
+}
+
static void check_constant_against_type(classinfo_t*t, constant_t*c)
{
}
}
+static int flags2access(int flags)
+{
+ int access = 0;
+ if(flags&FLAG_PUBLIC) {
+ if(access&(FLAG_PRIVATE|FLAG_PROTECTED|FLAG_INTERNAL)) syntaxerror("invalid combination of access levels");
+ access = ACCESS_PACKAGE;
+ } else if(flags&FLAG_PRIVATE) {
+ if(access&(FLAG_PUBLIC|FLAG_PROTECTED|FLAG_INTERNAL)) syntaxerror("invalid combination of access levels");
+ access = ACCESS_PRIVATE;
+ } else if(flags&FLAG_PROTECTED) {
+ if(access&(FLAG_PUBLIC|FLAG_PRIVATE|FLAG_INTERNAL)) syntaxerror("invalid combination of access levels");
+ access = ACCESS_PROTECTED;
+ } else {
+ access = ACCESS_PACKAGEINTERNAL;
+ }
+ return access;
+}
+
static memberinfo_t*registerfunction(enum yytokentype getset, int flags, char*name, params_t*params, classinfo_t*return_type, int slot)
{
memberinfo_t*minfo = 0;
- if(getset != KW_GET && getset != KW_SET) {
- if(registry_findmember(state->cls->info, name)) {
- syntaxerror("class already contains a member/method called '%s'", name);
+ if(!state->cls) {
+ //package method
+ minfo = memberinfo_register_global(flags2access(flags), state->package, name, MEMBER_METHOD);
+ 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?");
+ }
}
minfo = memberinfo_register(state->cls->info, name, MEMBER_METHOD);
minfo->return_type = return_type;
// 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;
classinfo_t*type=0;
if(getset == KW_GET)
type = return_type;
else if(params->list)
type = params->list->param->type;
- if((minfo=registry_findmember(state->cls->info, name))) {
+ // 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)
if(flags&FLAG_PRIVATE) minfo->flags |= FLAG_PRIVATE;
if(flags&FLAG_PROTECTED) minfo->flags |= FLAG_PROTECTED;
if(flags&FLAG_INTERNAL) minfo->flags |= FLAG_INTERNAL;
+ if(flags&FLAG_OVERRIDE) minfo->flags |= FLAG_OVERRIDE;
return minfo;
}
-static int flags2access(int flags)
-{
- int access = 0;
- if(flags&FLAG_PUBLIC) {
- if(access&(FLAG_PRIVATE|FLAG_PROTECTED|FLAG_INTERNAL)) syntaxerror("invalid combination of access levels");
- access = ACCESS_PACKAGE;
- } else if(flags&FLAG_PRIVATE) {
- if(access&(FLAG_PUBLIC|FLAG_PROTECTED|FLAG_INTERNAL)) syntaxerror("invalid combination of access levels");
- access = ACCESS_PRIVATE;
- } else if(flags&FLAG_PROTECTED) {
- if(access&(FLAG_PUBLIC|FLAG_PRIVATE|FLAG_INTERNAL)) syntaxerror("invalid combination of access levels");
- access = ACCESS_PROTECTED;
- } else {
- access = ACCESS_PACKAGEINTERNAL;
- }
- return access;
-}
-
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();
+ global->variable_count = 0;
state->method = rfx_calloc(sizeof(methodstate_t));
state->method->initcode = 0;
- state->method->is_constructor = !strcmp(state->cls->info->name,name);
state->method->has_super = 0;
-
- state->cls->has_constructor |= state->method->is_constructor;
+ if(state->cls) {
+ state->method->is_constructor = !strcmp(state->cls->info->name,name);
+ state->cls->has_constructor |= state->method->is_constructor;
+
+ new_variable((flags&FLAG_STATIC)?"class":"this", state->cls->info, 0);
+ } else {
+ state->method->is_global = 1;
+ state->method->late_binding = 1; // for global methods, always push local_0 on the scope stack
- global->variable_count = 0;
+ new_variable("globalscope", 0, 0);
+ }
/* state->vars is initialized by state_new */
- if(new_variable((flags&FLAG_STATIC)?"class":"this", state->cls->info)!=0) syntaxerror("Internal error");
+
param_list_t*p=0;
for(p=params->list;p;p=p->next) {
- new_variable(p->param->name, p->param->type);
+ new_variable(p->param->name, p->param->type, 0);
}
if(state->method->is_constructor)
name = "__as3_constructor__";
static void endfunction(token_t*ns, int flags, enum yytokentype getset, char*name,
params_t*params, classinfo_t*return_type, code_t*body)
{
- namespace_t mname_ns = {flags2access(flags), ""};
- multiname_t mname = {QNAME, &mname_ns, 0, name};
-
abc_method_t*f = 0;
multiname_t*type2 = sig2mname(return_type);
int slot = 0;
if(state->method->is_constructor) {
f = abc_class_getconstructor(state->cls->abc, type2);
- } else {
+ } else if(!state->method->is_global) {
+ namespace_t mname_ns = {flags2access(flags), ""};
+ 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 = {flags2access(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;
syntaxerror("non-optional parameter not allowed after optional parameters");
}
}
- f->body->code = body;
-
+ 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");
+ }
+
+ free(state->method);state->method=0;
old_state();
}
return 1; // FIXME
}
-void breakjumpsto(code_t*c, code_t*jump)
+void breakjumpsto(code_t*c, char*name, code_t*jump)
{
- while(c->prev)
- c=c->prev;
while(c) {
if(c->opcode == OPCODE___BREAK__) {
- c->opcode = OPCODE_JUMP;
- c->branch = jump;
+ string_t*name2 = c->data[0];
+ if(!name2->len || !strncmp(name2->str, name, name2->len)) {
+ c->opcode = OPCODE_JUMP;
+ c->branch = jump;
+ }
}
- c = c->next;
+ c=c->prev;
+ }
+}
+void continuejumpsto(code_t*c, char*name, code_t*jump)
+{
+ while(c) {
+ if(c->opcode == OPCODE___CONTINUE__) {
+ string_t*name2 = c->data[0];
+ if(!name2->len || !strncmp(name2->str, name, name2->len)) {
+ c->opcode = OPCODE_JUMP;
+ c->branch = jump;
+ }
+ }
+ c = c->prev;
}
}
return abc_coerce2(c, &m);
}
- if(TYPE_IS_NUMBER(from) && TYPE_IS_UINT(to)) {
- return abc_coerce2(c, &m);
- }
- if(TYPE_IS_NUMBER(from) && TYPE_IS_INT(to)) {
- return abc_coerce2(c, &m);
- }
- /* these are subject to overflow */
- if(TYPE_IS_INT(from) && TYPE_IS_UINT(to)) {
- return abc_coerce2(c, &m);
- }
- if(TYPE_IS_UINT(from) && TYPE_IS_INT(to)) {
+ if((TYPE_IS_NUMBER(from) || TYPE_IS_UINT(from) || TYPE_IS_INT(from)) &&
+ (TYPE_IS_NUMBER(to) || TYPE_IS_UINT(to) || TYPE_IS_INT(to))) {
+ // allow conversion between number types
return abc_coerce2(c, &m);
}
+ //printf("%s.%s\n", from.package, from.name);
+ //printf("%s.%s\n", to.package, to.name);
classinfo_t*supertype = from;
while(supertype) {
int t=0;
while(supertype->interfaces[t]) {
if(supertype->interfaces[t]==to) {
- // to type is one of from's interfaces
+ // target type is one of from's interfaces
return abc_coerce2(c, &m);
}
t++;
classinfo_t*c=0;
c = registry_findclass(state->package, name);
+ if(c) return c;
/* try explicit imports */
dictentry_t* e = dict_get_slot(state->imports, name);
+ if(c) return c;
while(e) {
- if(c)
- break;
if(!strcmp(e->key, name)) {
c = (classinfo_t*)e->data;
+ if(c) return c;
}
e = e->next;
}
/* try package.* imports */
import_list_t*l = state->wildcard_imports;
while(l) {
- if(c)
- break;
//printf("does package %s contain a class %s?\n", l->import->package, name);
c = registry_findclass(l->import->package, name);
+ if(c) return c;
l = l->next;
}
/* try global package */
- if(!c) {
- c = registry_findclass("", name);
- }
- return c;
+ c = registry_findclass("", name);
+ if(c) return c;
+
+ /* try local "filename" package */
+ c = registry_findclass(current_filename, name);
+ if(c) return c;
+
+ return 0;
}
static code_t* toreadwrite(code_t*in, code_t*middlepart, char justassign, char readbefore)
prefix = abc_getlocal(prefix, temp);
prefix = abc_swap(prefix);
prefix = abc_getlocal(prefix, temp);
+ if(!use_temp_var);
+ prefix = abc_kill(prefix, temp);
}
use_temp_var = 1;
} else {
temp = gettempvar();
if(prefix) {
c = code_append(c, prefix);
- c = abc_dup(c);
}
c = code_append(c, middlepart);
c = abc_dup(c);
c = abc_setlocal(c, temp);
c = code_append(c, write);
c = abc_getlocal(c, temp);
+ c = abc_kill(c, temp);
}
}
/* ------------ code blocks / statements ---------------- */
-PROGRAM: MAYBECODE
+PROGRAM: MAYBE_PROGRAM_CODE_LIST
+
+MAYBE_PROGRAM_CODE_LIST: | PROGRAM_CODE_LIST
+PROGRAM_CODE_LIST: PROGRAM_CODE
+ | PROGRAM_CODE_LIST PROGRAM_CODE
-MAYBECODE: CODE {$$=$1;/*TODO: do something with this code if we're not in a function*/}
-MAYBECODE: {$$=code_new();}
+PROGRAM_CODE: PACKAGE_DECLARATION
+ | INTERFACE_DECLARATION
+ | CLASS_DECLARATION
+ | FUNCTION_DECLARATION
+ | SLOT_DECLARATION
+ | PACKAGE_INITCODE
+ | ';'
+
+MAYBE_INPACKAGE_CODE_LIST: | INPACKAGE_CODE_LIST
+INPACKAGE_CODE_LIST: INPACKAGE_CODE
+ | INPACKAGE_CODE_LIST INPACKAGE_CODE
+
+INPACKAGE_CODE: INTERFACE_DECLARATION
+ | CLASS_DECLARATION
+ | FUNCTION_DECLARATION
+ | SLOT_DECLARATION
+ | PACKAGE_INITCODE
+ | ';'
+
+MAYBECODE: CODE {$$=$1;}
+MAYBECODE: {$$=code_new();}
CODE: CODE CODEPIECE {$$=code_append($1,$2);}
CODE: CODEPIECE {$$=$1;}
-CODEPIECE: PACKAGE_DECLARATION {$$=code_new();/*enters a scope*/}
-CODEPIECE: CLASS_DECLARATION {$$=code_new();/*enters a scope*/}
-CODEPIECE: FUNCTION_DECLARATION {$$=code_new();/*enters a scope*/}
-CODEPIECE: INTERFACE_DECLARATION {$$=code_new();}
-CODEPIECE: IMPORT {$$=code_new();/*adds imports to current scope*/}
-CODEPIECE: ';' {$$=code_new();}
-CODEPIECE: VARIABLE_DECLARATION {$$=$1}
-CODEPIECE: VOIDEXPRESSION {$$=$1}
-CODEPIECE: FOR {$$=$1}
-CODEPIECE: WHILE {$$=$1}
-CODEPIECE: BREAK {$$=$1}
-CODEPIECE: RETURN {$$=$1}
-CODEPIECE: IF {$$=$1}
-CODEPIECE: NAMESPACE_DECLARATION {/*TODO*/$$=code_new();}
-CODEPIECE: USE_NAMESPACE {/*TODO*/$$=code_new();}
-
-CODEBLOCK : '{' MAYBECODE '}' {$$=$2;}
+// code which also may appear outside a method
+CODE_STATEMENT: IMPORT
+CODE_STATEMENT: VOIDEXPRESSION
+CODE_STATEMENT: FOR
+CODE_STATEMENT: FOR_IN
+CODE_STATEMENT: WHILE
+CODE_STATEMENT: DO_WHILE
+CODE_STATEMENT: SWITCH
+CODE_STATEMENT: IF
+CODE_STATEMENT: WITH
+CODE_STATEMENT: TRY
+
+// code which may appear anywhere
+CODEPIECE: ';' {$$=0;}
+CODEPIECE: VARIABLE_DECLARATION
+CODEPIECE: CODE_STATEMENT
+CODEPIECE: BREAK
+CODEPIECE: CONTINUE
+CODEPIECE: RETURN
+CODEPIECE: THROW
+
+CODEPIECE: NAMESPACE_DECLARATION {/*TODO*/$$=0;}
+CODEPIECE: USE_NAMESPACE {/*TODO*/$$=0;}
+
+CODEBLOCK : '{' CODE '}' {$$=$2;}
+CODEBLOCK : '{' '}' {$$=0;}
CODEBLOCK : CODEPIECE ';' {$$=$1;}
CODEBLOCK : CODEPIECE %prec below_semicolon {$$=$1;}
+/* ------------ package init code ------------------- */
+
+PACKAGE_INITCODE: CODE_STATEMENT {
+ if($1) warning("code ignored");
+}
+
/* ------------ variables --------------------------- */
MAYBEEXPRESSION : '=' NONCOMMAEXPRESSION {$$=$2;}
$$.t=TYPE_ANY;
}
-VAR : "const" | "var"
-VARIABLE_DECLARATION : VAR VARIABLE_LIST {$$=$2;}
+VARIABLE_DECLARATION : "var" VARIABLE_LIST {$$=$2;}
+VARIABLE_DECLARATION : "const" VARIABLE_LIST {$$=$2;}
VARIABLE_LIST: ONE_VARIABLE {$$ = $1;}
VARIABLE_LIST: VARIABLE_LIST ',' ONE_VARIABLE {$$ = code_append($1, $3);}
-ONE_VARIABLE: {} T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION
+ONE_VARIABLE: T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION
{
- if(variable_exists($2))
- syntaxerror("Variable %s already defined", $2);
+ if(variable_exists($1))
+ syntaxerror("Variable %s already defined", $1);
- if(!is_subtype_of($4.t, $3)) {
- syntaxerror("Can't convert %s to %s", $4.t->name,
- $3->name);
+ if(!is_subtype_of($3.t, $2)) {
+ syntaxerror("Can't convert %s to %s", $3.t->name,
+ $2->name);
}
- int index = new_variable($2, $3);
+ int index = new_variable($1, $2, 1);
- if($3) {
- if($4.c->prev || $4.c->opcode != OPCODE_PUSHUNDEFINED) {
- $$ = $4.c;
- $$ = converttype($$, $4.t, $3);
+ if($2) {
+ if($3.c->prev || $3.c->opcode != OPCODE_PUSHUNDEFINED) {
+ $$ = $3.c;
+ $$ = converttype($$, $3.t, $2);
$$ = abc_setlocal($$, index);
} else {
- $$ = defaultvalue(0, $3);
+ $$ = defaultvalue(0, $2);
$$ = abc_setlocal($$, index);
}
-
- /* if this is a typed variable:
- push default value for type on stack */
- if($3) {
- state->method->initcode = defaultvalue(state->method->initcode, $3);
- state->method->initcode = abc_setlocal(state->method->initcode, index);
- }
} else {
- if($4.c->prev || $4.c->opcode != OPCODE_PUSHUNDEFINED) {
- $$ = $4.c;
+ if($3.c->prev || $3.c->opcode != OPCODE_PUSHUNDEFINED) {
+ $$ = $3.c;
$$ = abc_coerce_a($$);
$$ = abc_setlocal($$, index);
} else {
MAYBEELSE: "else" CODEBLOCK {$$=$2;}
//MAYBEELSE: ';' "else" CODEBLOCK {$$=$3;}
-IF : "if" '(' {new_state();} EXPRESSION ')' CODEBLOCK MAYBEELSE {
+IF : "if" '(' {new_state();} EXPRESSION ')' CODEBLOCK MAYBEELSE {
$$ = code_new();
$$ = code_append($$, $4.c);
code_t*myjmp,*myif = $$ = abc_iffalse($$, 0);
FOR_INIT : {$$=code_new();}
FOR_INIT : VARIABLE_DECLARATION
FOR_INIT : VOIDEXPRESSION
+FOR_IN_INIT : "var" T_IDENTIFIER MAYBETYPE {
+ $$=$2;new_variable($2,$3,1);
+}
+FOR_IN_INIT : T_IDENTIFIER {
+ $$=$1;
+}
+
+FOR_START : T_FOR '(' {new_state();$$.name=$1;$$.each=0;}
+FOR_START : T_FOR "each" '(' {new_state();$$.name=$1;$$.each=1;}
-FOR : "for" '(' {new_state();} FOR_INIT ';' EXPRESSION ';' VOIDEXPRESSION ')' CODEBLOCK {
+FOR : FOR_START FOR_INIT ';' EXPRESSION ';' VOIDEXPRESSION ')' CODEBLOCK {
+ if($1.each) syntaxerror("invalid syntax: ; not allowed in for each statement");
$$ = code_new();
- $$ = code_append($$, $4);
+ $$ = code_append($$, $2);
code_t*loopstart = $$ = abc_label($$);
- $$ = code_append($$, $6.c);
+ $$ = code_append($$, $4.c);
code_t*myif = $$ = abc_iffalse($$, 0);
- $$ = code_append($$, $10);
$$ = code_append($$, $8);
+ code_t*cont = $$ = abc_nop($$);
+ $$ = code_append($$, $6);
$$ = abc_jump($$, loopstart);
code_t*out = $$ = abc_nop($$);
- breakjumpsto($$, out);
+ breakjumpsto($$, $1.name, out);
+ continuejumpsto($$, $1.name, cont);
myif->branch = out;
$$ = killvars($$);old_state();
}
-WHILE : "while" '(' {new_state();} EXPRESSION ')' CODEBLOCK {
+FOR_IN : FOR_START FOR_IN_INIT "in" EXPRESSION ')' CODEBLOCK {
+ variable_t*var = find_variable($2);
+ char*tmp1name = concat2($2, "__tmp1__");
+ int it = new_variable(tmp1name, TYPE_INT, 0);
+ char*tmp2name = concat2($2, "__array__");
+ int array = new_variable(tmp1name, 0, 0);
+
+ $$ = code_new();
+ $$ = code_append($$, $4.c);
+ $$ = abc_coerce_a($$);
+ $$ = abc_setlocal($$, array);
+ $$ = abc_pushbyte($$, 0);
+ $$ = abc_setlocal($$, it);
+
+ code_t*loopstart = $$ = abc_label($$);
+
+ $$ = abc_hasnext2($$, array, it);
+ code_t*myif = $$ = abc_iffalse($$, 0);
+ $$ = abc_getlocal($$, array);
+ $$ = abc_getlocal($$, it);
+ if(!$1.each)
+ $$ = abc_nextname($$);
+ else
+ $$ = abc_nextvalue($$);
+ $$ = converttype($$, 0, var->type);
+ $$ = abc_setlocal($$, var->index);
+
+ $$ = code_append($$, $6);
+ $$ = abc_jump($$, loopstart);
+
+ code_t*out = $$ = abc_nop($$);
+ breakjumpsto($$, $1.name, out);
+ continuejumpsto($$, $1.name, loopstart);
+
+ $$ = killvars($$);
+
+ myif->branch = out;
+
+ old_state();
+ free(tmp1name);
+ free(tmp2name);
+}
+
+WHILE : T_WHILE '(' {new_state();} EXPRESSION ')' CODEBLOCK {
$$ = code_new();
code_t*myjmp = $$ = abc_jump($$, 0);
code_t*loopstart = $$ = abc_label($$);
$$ = code_append($$, $6);
- myjmp->branch = $$ = abc_nop($$);
+ code_t*cont = $$ = abc_nop($$);
+ myjmp->branch = cont;
$$ = code_append($$, $4.c);
$$ = abc_iftrue($$, loopstart);
code_t*out = $$ = abc_nop($$);
- breakjumpsto($$, out);
+ breakjumpsto($$, $1, out);
+ continuejumpsto($$, $1, cont);
- $$ = killvars($$);old_state();
+ $$ = killvars($$);
+ old_state();
+}
+
+DO_WHILE : T_DO {new_state();} CODEBLOCK "while" '(' EXPRESSION ')' {
+ $$ = code_new();
+ code_t*loopstart = $$ = abc_label($$);
+ $$ = code_append($$, $3);
+ code_t*cont = $$ = abc_nop($$);
+ $$ = code_append($$, $6.c);
+ $$ = abc_iftrue($$, loopstart);
+ code_t*out = $$ = abc_nop($$);
+ breakjumpsto($$, $1, out);
+ continuejumpsto($$, $1, cont);
+ $$ = killvars($$);
+ old_state();
+}
+
+BREAK : "break" %prec prec_none {
+ $$ = abc___break__(0, "");
+}
+BREAK : "break" T_IDENTIFIER {
+ $$ = abc___break__(0, $2);
+}
+CONTINUE : "continue" %prec prec_none {
+ $$ = abc___continue__(0, "");
+}
+CONTINUE : "continue" T_IDENTIFIER {
+ $$ = abc___continue__(0, $2);
+}
+
+MAYBE_CASE_LIST : {$$=0;}
+MAYBE_CASE_LIST : CASE_LIST {$$=$1;}
+MAYBE_CASE_LIST : DEFAULT {$$=$1;}
+MAYBE_CASE_LIST : CASE_LIST DEFAULT {$$=code_append($1,$2);}
+CASE_LIST: CASE {$$=$1}
+CASE_LIST: CASE_LIST CASE {$$=code_append($$,$2);}
+
+CASE: "case" E ':' MAYBECODE {
+ $$ = abc_dup(0);
+ $$ = code_append($$, $2.c);
+ code_t*j = $$ = abc_ifne($$, 0);
+ $$ = code_append($$, $4);
+ if($$->opcode != OPCODE___BREAK__) {
+ $$ = abc___fallthrough__($$, "");
+ }
+ code_t*e = $$ = abc_nop($$);
+ j->branch = e;
+}
+DEFAULT: "default" ':' MAYBECODE {
+ $$ = $3;
+}
+SWITCH : T_SWITCH '(' {new_state();} E ')' '{' MAYBE_CASE_LIST '}' {
+ $$=$4.c;
+ $$ = code_append($$, $7);
+ code_t*out = $$ = abc_pop($$);
+ breakjumpsto($$, $1, out);
+
+ code_t*c = $$,*lastblock=0;
+ while(c) {
+ if(c->opcode == OPCODE_IFNE) {
+ if(!c->next) syntaxerror("internal error in fallthrough handling");
+ lastblock=c->next;
+ } else if(c->opcode == OPCODE___FALLTHROUGH__) {
+ if(lastblock) {
+ c->opcode = OPCODE_JUMP;
+ c->branch = lastblock;
+ } else {
+ /* fall through end of switch */
+ c->opcode = OPCODE_NOP;
+ }
+ }
+ c=c->prev;
+ }
+ old_state();
+}
+
+/* ------------ try / catch /finally ---------------- */
+
+FINALLY: "finally" '{' CODE '}'
+MAYBE_FINALLY: | FINALLY
+
+CATCH: "catch" '(' T_IDENTIFIER MAYBETYPE ')' {new_state();state->exception_name=$3;new_variable($3, $4, 0);}
+ '{' CODE '}' {
+ code_t*c = 0;
+ int i = find_variable_safe($3)->index;
+ c = abc_setlocal(c, i);
+ c = code_append(c, $8);
+ c = abc_kill(c, i);
+
+ namespace_t name_ns = {ACCESS_PACKAGE, ""};
+ multiname_t name = {QNAME, &name_ns, 0, $3};
+
+ NEW(abc_exception_t, e)
+ e->exc_type = sig2mname($4);
+ e->var_name = multiname_clone(&name);
+ e->target = code_start(c);
+ $$ = e;
+ old_state();
}
-BREAK : "break" {
- $$ = abc___break__(0);
+CATCH_LIST: CATCH {$$=list_new();list_append($$,$1);}
+CATCH_LIST: CATCH_LIST CATCH {$$=$1;list_append($$,$2);}
+
+TRY : "try" '{' CODE '}' CATCH_LIST MAYBE_FINALLY {
+ code_t*start = code_start($3);
+ $$=$3;
+
+ code_t*out = abc_nop(0);
+ code_t*jmp = $$ = abc_jump($$, out);
+
+ abc_exception_list_t*l = $5;
+ while(l) {
+ abc_exception_t*e = l->abc_exception;
+ e->from = start;
+ e->to = jmp;
+ $$ = code_append($$, e->target);
+ $$ = abc_jump($$, out);
+ l = l->next;
+ }
+ $$ = code_append($$, out);
+ jmp->branch = out;
+
+ list_concat(state->method->exceptions, $5);
+}
+
+/* ------------ throw ------------------------------- */
+
+THROW : "throw" EXPRESSION {
+ $$=$2.c;
+ $$=abc_throw($$);
+}
+THROW : "throw" %prec prec_none {
+ if(!state->exception_name)
+ syntaxerror("re-throw only possible within a catch block");
+ variable_t*v = find_variable(state->exception_name);
+ $$=code_new();
+ $$=abc_getlocal($$, v->index);
+ $$=abc_throw($$);
+}
+
+/* ------------ with -------------------------------- */
+
+WITH : "with" '(' EXPRESSION ')' CODEBLOCK {
+ $$ = $3.c;
+ $$ = abc_pushscope($$);
+ $$ = code_append($$, $5);
+ $$ = abc_popscope($$);
}
/* ------------ packages and imports ---------------- */
X_IDENTIFIER: T_IDENTIFIER
| "package" {$$="package";}
-PACKAGE: PACKAGE '.' X_IDENTIFIER {$$ = concat3str($1,".",$3);}
-PACKAGE: X_IDENTIFIER {$$=$1;}
+PACKAGE: PACKAGE '.' X_IDENTIFIER {$$ = concat3($1,".",$3);free($1);$1=0;}
+PACKAGE: X_IDENTIFIER {$$=strdup($1);}
-PACKAGE_DECLARATION : "package" PACKAGE '{' {startpackage($2)} MAYBECODE '}' {endpackage()}
-PACKAGE_DECLARATION : "package" '{' {startpackage("")} MAYBECODE '}' {endpackage()}
+PACKAGE_DECLARATION : "package" PACKAGE '{' {startpackage($2);free($2);$2=0;} MAYBE_INPACKAGE_CODE_LIST '}' {endpackage();$$=0;}
+PACKAGE_DECLARATION : "package" '{' {startpackage("")} MAYBE_INPACKAGE_CODE_LIST '}' {endpackage();$$=0;}
IMPORT : "import" QNAME {
classinfo_t*c = $2;
CLASS_DECLARATION : MAYBE_MODIFIERS "class" T_IDENTIFIER
EXTENDS IMPLEMENTS_LIST
'{' {startclass($1,$3,$4,$5, 0);}
- MAYBE_DECLARATION_LIST
- '}' {endclass();}
+ MAYBE_CLASS_BODY
+ '}' {endclass();$$=0;}
INTERFACE_DECLARATION : MAYBE_MODIFIERS "interface" T_IDENTIFIER
EXTENDS_LIST
'{' {startclass($1,$3,0,$4,1);}
- MAYBE_IDECLARATION_LIST
- '}' {endclass();}
+ MAYBE_INTERFACE_BODY
+ '}' {endclass();$$=0;}
/* ------------ classes and interfaces (body) -------------- */
-MAYBE_DECLARATION_LIST :
-MAYBE_DECLARATION_LIST : DECLARATION_LIST
-DECLARATION_LIST : DECLARATION
-DECLARATION_LIST : DECLARATION_LIST DECLARATION
-DECLARATION : ';'
-DECLARATION : SLOT_DECLARATION
-DECLARATION : FUNCTION_DECLARATION
-
-MAYBE_IDECLARATION_LIST :
-MAYBE_IDECLARATION_LIST : IDECLARATION_LIST
-IDECLARATION_LIST : IDECLARATION
-IDECLARATION_LIST : IDECLARATION_LIST IDECLARATION
+MAYBE_CLASS_BODY :
+MAYBE_CLASS_BODY : CLASS_BODY
+CLASS_BODY : CLASS_BODY_ITEM
+CLASS_BODY : CLASS_BODY CLASS_BODY_ITEM
+CLASS_BODY_ITEM : ';'
+CLASS_BODY_ITEM : SLOT_DECLARATION
+CLASS_BODY_ITEM : FUNCTION_DECLARATION
+
+CLASS_BODY_ITEM : CODE_STATEMENT {
+ code_t*c = state->cls->static_init;
+ c = code_append(c, $1);
+ state->cls->static_init = c;
+}
+
+MAYBE_INTERFACE_BODY :
+MAYBE_INTERFACE_BODY : INTERFACE_BODY
+INTERFACE_BODY : IDECLARATION
+INTERFACE_BODY : INTERFACE_BODY IDECLARATION
IDECLARATION : ';'
IDECLARATION : "var" T_IDENTIFIER {
syntaxerror("variable declarations not allowed in interfaces");
SLOT_DECLARATION: MAYBE_MODIFIERS VARCONST T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION {
int flags = $1;
- memberinfo_t* info = memberinfo_register(state->cls->info, $3, MEMBER_SLOT);
+ memberinfo_t* info = state->cls?
+ memberinfo_register(state->cls->info, $3, MEMBER_SLOT):
+ memberinfo_register_global(flags2access($1), state->package, $3, MEMBER_SLOT);
+
info->type = $4;
info->flags = flags;
- trait_t*t=0;
+ /* slot name */
namespace_t mname_ns = {flags2access(flags), ""};
multiname_t mname = {QNAME, &mname_ns, 0, $3};
-
- if(!(flags&FLAG_STATIC)) {
- if($4) {
- MULTINAME(m, $4);
- t=abc_class_slot(state->cls->abc, &mname, &m);
- } else {
- t=abc_class_slot(state->cls->abc, &mname, 0);
- }
- info->slot = t->slot_id;
+
+ trait_list_t**traits;
+ code_t**code;
+ if(!state->cls) {
+ // global variable
+ 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;
} else {
- if($4) {
- MULTINAME(m, $4);
- t=abc_class_staticslot(state->cls->abc, &mname, &m);
- } else {
- t=abc_class_staticslot(state->cls->abc, &mname, 0);
- }
- info->slot = t->slot_id;
+ // instance variable
+ traits = &state->cls->abc->traits;
+ code = &state->cls->init;
}
+
+ trait_t*t=0;
+ if($4) {
+ MULTINAME(m, $4);
+ t = trait_new_member(traits, multiname_clone(&m), multiname_clone(&mname), 0);
+ } else {
+ t = trait_new_member(traits, 0, multiname_clone(&mname), 0);
+ }
+ info->slot = t->slot_id;
+
+ /* initalization code (if needed) */
+ code_t*c = 0;
if($5.c && !is_pushundefined($5.c)) {
- code_t*c = 0;
c = abc_getlocal_0(c);
c = code_append(c, $5.c);
c = converttype(c, $5.t, $4);
c = abc_setslot(c, t->slot_id);
- if(!(flags&FLAG_STATIC))
- state->cls->init = code_append(state->cls->init, c);
- else
- state->cls->static_init = code_append(state->cls->static_init, c);
}
+
+ *code = code_append(*code, c);
+
if($2==KW_CONST) {
t->kind= TRAIT_CONST;
}
+
+ $$=0;
}
/* ------------ constants -------------------------------------- */
}
c = wrap_function(c, state->method->initcode, $11);
endfunction(0,$1,$3,$4,&$6,$8,c);
+ $$=0;
}
/* ------------- package + class ids --------------- */
PACKAGEANDCLASS : PACKAGE '.' T_IDENTIFIER {
$$ = registry_findclass($1, $3);
if(!$$) syntaxerror("Couldn't find class %s.%s\n", $1, $3);
+ free($1);$1=0;
}
QNAME: PACKAGEANDCLASS
TYPE : QNAME {$$=$1;}
| '*' {$$=registry_getanytype();}
+ | "void" {$$=registry_getanytype();}
/*
| "String" {$$=registry_getstringclass();}
| "int" {$$=registry_getintclass();}
/* ----------function calls, delete, constructor calls ------ */
-MAYBE_PARAM_VALUES : %prec prec_none {$$=0;}
+MAYBE_PARAM_VALUES : %prec prec_none {$$.cc=0;$$.len=0;}
MAYBE_PARAM_VALUES : '(' MAYBE_EXPRESSION_LIST ')' {$$=$2}
-MAYBE_EXPRESSION_LIST : {$$=0;}
+MAYBE_EXPRESSION_LIST : {$$.cc=0;$$.len=0;}
MAYBE_EXPRESSION_LIST : EXPRESSION_LIST
-EXPRESSION_LIST : NONCOMMAEXPRESSION {$$=list_new();
- typedcode_t*t = malloc(sizeof(typedcode_t));
- *t = $1;
- list_append($$, t);}
-EXPRESSION_LIST : EXPRESSION_LIST ',' NONCOMMAEXPRESSION {$$=$1;
- typedcode_t*t = malloc(sizeof(typedcode_t));
- *t = $3;
- list_append($$, t);}
+EXPRESSION_LIST : NONCOMMAEXPRESSION {$$.len=1;
+ $$.cc = $1.c;
+ }
+EXPRESSION_LIST : EXPRESSION_LIST ',' NONCOMMAEXPRESSION {
+ $$.len= $1.len+1;
+ $$.cc = code_append($1.cc, $3.c);
+ }
NEW : "new" CLASS MAYBE_PARAM_VALUES {
MULTINAME(m, $2);
$$.c = abc_findpropstrict2($$.c, &m);
}
- typedcode_list_t*l = $3;
- int len = 0;
- while(l) {
- $$.c = code_append($$.c, l->typedcode->c); // push parameters on stack
- l = l->next;
- len ++;
- }
+ $$.c = code_append($$.c, $3.cc);
+
if($2->slot)
- $$.c = abc_construct($$.c, len);
+ $$.c = abc_construct($$.c, $3.len);
else
- $$.c = abc_constructprop2($$.c, &m, len);
+ $$.c = abc_constructprop2($$.c, &m, $3.len);
$$.t = $2;
}
call (for closures)
*/
FUNCTIONCALL : E '(' MAYBE_EXPRESSION_LIST ')' {
- typedcode_list_t*l = $3;
- int len = 0;
- code_t*paramcode = 0;
- while(l) {
- paramcode = code_append(paramcode, l->typedcode->c); // push parameters on stack
- l = l->next;
- len ++;
- }
-
+
$$.c = $1.c;
if($$.c->opcode == OPCODE_COERCE_A) {
$$.c = code_cutlast($$.c);
}
+ code_t*paramcode = $3.cc;
$$.t = TYPE_ANY;
- multiname_t*name = 0;
if($$.c->opcode == OPCODE_GETPROPERTY) {
- name = multiname_clone($$.c->data[0]);
+ multiname_t*name = $$.c->data[0];$$.c->data[0]=0;
$$.c = code_cutlast($$.c);
$$.c = code_append($$.c, paramcode);
- $$.c = abc_callproperty2($$.c, name, len);
+ $$.c = abc_callproperty2($$.c, name, $3.len);
+ multiname_destroy(name);
} else if($$.c->opcode == OPCODE_GETSLOT) {
int slot = (int)(ptroff_t)$$.c->data[0];
trait_t*t = abc_class_find_slotid(state->cls->abc,slot);//FIXME
if(t->kind!=TRAIT_METHOD) {
//ok: flash allows to assign closures to members.
}
- name = t->name;
+ multiname_t*name = t->name;
$$.c = code_cutlast($$.c);
$$.c = code_append($$.c, paramcode);
//$$.c = abc_callmethod($$.c, t->method, len); //#1051 illegal early access binding
- $$.c = abc_callproperty2($$.c, name, len);
+ $$.c = abc_callproperty2($$.c, name, $3.len);
} else if($$.c->opcode == OPCODE_GETSUPER) {
- name = multiname_clone($$.c->data[0]);
+ multiname_t*name = $$.c->data[0];$$.c->data[0]=0;
$$.c = code_cutlast($$.c);
$$.c = code_append($$.c, paramcode);
- $$.c = abc_callsuper2($$.c, name, len);
+ $$.c = abc_callsuper2($$.c, name, $3.len);
+ multiname_destroy(name);
} else {
$$.c = abc_getlocal_0($$.c);
$$.c = code_append($$.c, paramcode);
- $$.c = abc_call($$.c, len);
+ $$.c = abc_call($$.c, $3.len);
}
memberinfo_t*f = 0;
$$.c = abc_coerce_a($$.c);
$$.t = TYPE_ANY;
}
+
}
FUNCTIONCALL : "super" '(' MAYBE_EXPRESSION_LIST ')' {
if(!state->cls) syntaxerror("super() not allowed outside of a class");
$$.c = code_new();
$$.c = abc_getlocal_0($$.c);
- typedcode_list_t*l = 0;
- int len = 0;
- for(l=$3;l;l=l->next) {
- $$.c = code_append($$.c, l->typedcode->c);len++;
- }
+
+ $$.c = code_append($$.c, $3.cc);
/*
this is dependent on the control path, check this somewhere else
if(state->method->has_super)
syntaxerror("constructor may call super() only once");
*/
state->method->has_super = 1;
- $$.c = abc_constructsuper($$.c, len);
+ $$.c = abc_constructsuper($$.c, $3.len);
$$.c = abc_pushundefined($$.c);
$$.t = TYPE_ANY;
}
}
}
+E : E "in" E {$$.c = code_append($1.c,$3.c);
+ $$.c = abc_in($$.c);
+ $$.t = TYPE_BOOLEAN;
+ }
+
E : E "as" E {char use_astype=0; // flash player's astype works differently than astypelate
if(use_astype && TYPE_IS_CLASS($3.t)) {
MULTINAME(m,$3.t->cls);
E : '[' MAYBE_EXPRESSION_LIST ']' {
$$.c = code_new();
- typedcode_list_t*l = 0;
- int len = 0;
- for(l=$2;l;l=l->next) {
- $$.c = code_append($$.c, l->typedcode->c);len++;
- }
- $$.c = abc_newarray($$.c, len);
+ $$.c = code_append($$.c, $2.cc);
+ $$.c = abc_newarray($$.c, $2.len);
$$.t = registry_getarrayclass();
}
+MAYBE_EXPRPAIR_LIST : {$$.cc=0;$$.len=0;}
+MAYBE_EXPRPAIR_LIST : EXPRPAIR_LIST {$$=$1};
+
+EXPRPAIR_LIST : NONCOMMAEXPRESSION ':' NONCOMMAEXPRESSION {
+ $$.cc = 0;
+ $$.cc = code_append($$.cc, $1.c);
+ $$.cc = code_append($$.cc, $3.c);
+ $$.len = 2;
+}
+EXPRPAIR_LIST : EXPRPAIR_LIST ',' NONCOMMAEXPRESSION ':' NONCOMMAEXPRESSION {
+ $$.cc = $1.cc;
+ $$.len = $1.len+2;
+ $$.cc = code_append($$.cc, $3.c);
+ $$.cc = code_append($$.cc, $5.c);
+}
+//MAYBECOMMA: ','
+//MAYBECOMMA:
+
+E : '{' MAYBE_EXPRPAIR_LIST '}' {
+ $$.c = code_new();
+ $$.c = code_append($$.c, $2.cc);
+ $$.c = abc_newobject($$.c, $2.len/2);
+ $$.t = registry_getobjectclass();
+}
+
E : E "*=" E {
code_t*c = $3.c;
if(BOTH_INT($1,$3)) {
classinfo_t*t = state->cls->info->superclass;
if(!t) t = TYPE_OBJECT;
- memberinfo_t*f = registry_findmember(t, $3);
+ memberinfo_t*f = registry_findmember(t, $3, 1);
namespace_t ns = {flags2access(f->flags), ""};
MEMBER_MULTINAME(m, f, $3);
$$.c = 0;
is_static = 1;
}
if(t) {
- memberinfo_t*f = registry_findmember(t, $3);
+ memberinfo_t*f = registry_findmember(t, $3, 1);
char noslot = 0;
if(f && !is_static != !(f->flags&FLAG_STATIC))
noslot=1;
VAR_READ : T_IDENTIFIER {
$$.t = 0;
$$.c = 0;
- int i;
classinfo_t*a = 0;
memberinfo_t*f = 0;
+ variable_t*v;
/* look at variables */
- if((i = find_variable($1, &$$.t)) >= 0) {
+ if((v = find_variable($1))) {
// $1 is a local variable
- $$.c = abc_getlocal($$.c, i);
+ $$.c = abc_getlocal($$.c, v->index);
+ $$.t = v->type;
/* look at current class' members */
- } else if((f = registry_findmember(state->cls->info, $1))) {
+ } else if(state->cls && (f = registry_findmember(state->cls->info, $1, 1))) {
// $1 is a function in this class
int var_is_static = (f->flags&FLAG_STATIC);
int i_am_static = ((state->method && state->method->info)?(state->method->info->flags&FLAG_STATIC):FLAG_STATIC);
$$.t = f->type;
}
- /* look at classes in the current package and imported classes */
+ /* look at actual classes, in the current package and imported */
} else if((a = find_class($1))) {
if(a->flags & FLAG_METHOD) {
MULTINAME(m, a);
// ----------------- namespaces -------------------------------------------------
-NAMESPACE_DECLARATION : MAYBE_MODIFIERS "namespace" T_IDENTIFIER {$$=$2;}
-NAMESPACE_DECLARATION : MAYBE_MODIFIERS "namespace" T_IDENTIFIER '=' T_IDENTIFIER {$$=$2;}
-NAMESPACE_DECLARATION : MAYBE_MODIFIERS "namespace" T_IDENTIFIER '=' T_STRING {$$=$2;}
+NAMESPACE_DECLARATION : MAYBE_MODIFIERS "namespace" T_IDENTIFIER {$$=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
+USE_NAMESPACE : "use" "namespace" T_IDENTIFIER {$$=0;}
git.asbjorn.biz / swftools.git / blobdiff