X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=lib%2Fas3%2Fparser.y;h=ec7c39bd163da5105a7b1b57fa3de5bc6ef27427;hb=015233e6dbf54b574dd7f55d11c0d0d614802fde;hp=3ac1d5019220f3909fb334d7b15f429cfb69e617;hpb=36a1fac8ea3a7457f25b1b4209b5fc918cc6af44;p=swftools.git diff --git a/lib/as3/parser.y b/lib/as3/parser.y index 3ac1d50..ec7c39b 100644 --- a/lib/as3/parser.y +++ b/lib/as3/parser.y @@ -170,6 +170,7 @@ extern int a3_lex(); %token T_USHR ">>>" %token T_SHR ">>" +%type CONDITIONAL_COMPILATION %type FOR_START %type X_IDENTIFIER PACKAGE FOR_IN_INIT MAYBE_IDENTIFIER %type NAMESPACE_ID @@ -332,6 +333,7 @@ struct _methodstate { char uses_parent_function; int uses_slots; dict_t*slots; + int activation_var; abc_method_t*abc; int var_index; // for inner methods @@ -427,6 +429,15 @@ static namespace_list_t nl2 = {&ns2,&nl3}; static namespace_list_t nl1 = {&ns1,&nl2}; static namespace_set_t nopackage_namespace_set = {&nl1}; +dict_t*conditionals=0; +void as3_set_definition(const char*c) +{ + if(!conditionals) + conditionals = dict_new(); + if(!dict_contains(conditionals,c)) + dict_put(conditionals,c,0); +} + static void new_state() { NEW(state_t, s); @@ -624,6 +635,7 @@ typedef struct _variable { int index; classinfo_t*type; char init; + char is_parameter; methodstate_t*is_inner_method; } variable_t; @@ -755,17 +767,26 @@ static void parsererror(const char*file, int line, const char*f) } -static code_t* add_scope_code(code_t*c, methodstate_t*m) +static code_t* add_scope_code(code_t*c, methodstate_t*m, char init) { - if(m->uses_slots || (m->late_binding && !m->inner)) { + if(m->uses_slots || (m->late_binding && !m->inner)) { //???? especially inner functions need the pushscope c = abc_getlocal_0(c); c = abc_pushscope(c); } if(m->uses_slots) { - /* FIXME: does this need to be the same activation object as - in the function header? */ - c = abc_newactivation(c); - c = abc_pushscope(c); + /* FIXME: this alloc_local() causes variable indexes to be + different in pass2 than in pass1 */ + if(!m->activation_var) + m->activation_var = alloc_local(); + if(init) { + c = abc_newactivation(c); + c = abc_dup(c); + c = abc_pushscope(c); + c = abc_setlocal(c, m->activation_var); + } else { + c = abc_getlocal(c, m->activation_var); + c = abc_pushscope(c); + } } return c; } @@ -774,7 +795,7 @@ static code_t* method_header(methodstate_t*m) { code_t*c = 0; - c = add_scope_code(c, m); + c = add_scope_code(c, m, 1); methodstate_list_t*l = m->innerfunctions; while(l) { @@ -801,6 +822,19 @@ static code_t* method_header(methodstate_t*m) c = abc_getlocal_0(c); c = abc_constructsuper(c, 0); } + + if(m->slots) { + /* all parameters that are used by inner functions + need to be copied from local to slot */ + parserassert(m->activation_var); + DICT_ITERATE_ITEMS(m->slots,char*,name,variable_t*,v) { + if(v->is_parameter) { + c = abc_getlocal(c, m->activation_var); + c = abc_getlocal(c, v->index); + c = abc_setslot(c, v->index); + } + } + } list_free(m->innerfunctions); m->innerfunctions = 0; return c; @@ -917,15 +951,11 @@ static void function_initvars(methodstate_t*m, params_t*params, int flags, char 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); + variable_t*v = new_variable2(p->param->name, p->param->type, 0, 1); + v->is_parameter = 1; } } - if(as3_pass==2) { - m->scope_code = add_scope_code(m->scope_code, m); - } - - methodstate_list_t*l = m->innerfunctions; while(l) { methodstate_t*m = l->methodstate; @@ -938,14 +968,19 @@ static void function_initvars(methodstate_t*m, params_t*params, int flags, char l = l->next; } + if(as3_pass==2) { + m->scope_code = add_scope_code(m->scope_code, m, 0); + } + if(as3_pass==2 && m->slots) { /* exchange unresolved identifiers with the actual objects */ DICT_ITERATE_ITEMS(m->slots, char*, name, variable_t*, v) { if(v->type && v->type->kind == INFOTYPE_UNRESOLVED) { - v->type = (classinfo_t*)registry_resolve((slotinfo_t*)v->type); - if(!v->type || v->type->kind != INFOTYPE_CLASS) { - syntaxerror("Couldn't find class %s", v->type->name); + classinfo_t*type = (classinfo_t*)registry_resolve((slotinfo_t*)v->type); + if(!type || type->kind != INFOTYPE_CLASS) { + syntaxerror("Couldn't find class %s::%s (%s)", v->type->package, v->type->name, name); } + v->type = type; } } } @@ -1249,9 +1284,6 @@ static methodinfo_t*registerfunction(enum yytokentype getset, modifiers_t*mod, c //class method memberinfo_t* m = registry_findmember(state->cls->info, ns.name, name, 0); if(m) { - printf("%s.%s | %s.%s\n", - m->package, m->name, - ns.name, name); syntaxerror("class already contains a %s '%s'", infotypename((slotinfo_t*)m), m->name); } minfo = methodinfo_register_onclass(state->cls->info, ns.access, ns.name, name); @@ -1648,6 +1680,7 @@ code_t*converttype(code_t*c, classinfo_t*from, classinfo_t*to) 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; } @@ -2084,8 +2117,9 @@ code_t* insert_finally(code_t*c, code_t*finally, int tempvar) #define PASS1 }} if(as3_pass == 1) {{ #define PASS1END }} if(as3_pass == 2) {{ #define PASS2 }} if(as3_pass == 2) {{ -#define PASS12 }} {{ +#define PASS12 }} if(as3_pass == 1 || as3_pass == 2) {{ #define PASS12END }} if(as3_pass == 2) {{ +#define PASS_ALWAYS }} {{ %} @@ -2105,7 +2139,7 @@ PROGRAM_CODE: PACKAGE_DECLARATION | FUNCTION_DECLARATION | SLOT_DECLARATION | PACKAGE_INITCODE - | CONDITIONAL_COMPILATION '{' MAYBE_PROGRAM_CODE_LIST '}' // conditional compilation + | CONDITIONAL_COMPILATION '{' MAYBE_PROGRAM_CODE_LIST '}' {PASS_ALWAYS as3_pass=$1;} | ';' MAYBE_INPACKAGE_CODE_LIST: | INPACKAGE_CODE_LIST @@ -2117,7 +2151,7 @@ INPACKAGE_CODE: INTERFACE_DECLARATION | FUNCTION_DECLARATION | SLOT_DECLARATION | PACKAGE_INITCODE - | CONDITIONAL_COMPILATION '{' MAYBE_INPACKAGE_CODE_LIST '}' // conditional compilation + | CONDITIONAL_COMPILATION '{' MAYBE_INPACKAGE_CODE_LIST '}' {PASS_ALWAYS as3_pass=$1;} | ';' MAYBECODE: CODE {$$=$1;} @@ -2150,7 +2184,7 @@ CODEPIECE: BREAK CODEPIECE: CONTINUE CODEPIECE: RETURN CODEPIECE: THROW -CODEPIECE: CONDITIONAL_COMPILATION '{' CODE '}' {$$=$3;} +CODEPIECE: CONDITIONAL_COMPILATION '{' CODE '}' {PASS_ALWAYS as3_pass=$1;} //CODEBLOCK : '{' CODE '}' {$$=$2;} //CODEBLOCK : '{' '}' {$$=0;} @@ -2166,7 +2200,15 @@ PACKAGE_INITCODE: CODE_STATEMENT { /* ------------ conditional compilation ------------- */ -CONDITIONAL_COMPILATION: T_IDENTIFIER "::" T_IDENTIFIER +CONDITIONAL_COMPILATION: T_IDENTIFIER "::" T_IDENTIFIER { + PASS12 + $$=as3_pass; + char*key = concat3($1,"::",$3); + if(!conditionals || !dict_contains(conditionals, key)) { + as3_pass=0; + } + free(key); +} /* ------------ variables --------------------------- */ @@ -2621,8 +2663,6 @@ IMPORT : "import" PACKAGEANDCLASS { if(!s && as3_pass==1) {// || !(s->flags&FLAG_BUILTIN)) { as3_schedule_class($2->package, $2->name); } - - PASS2 classinfo_t*c = $2; if(!c) syntaxerror("Couldn't import class\n"); @@ -2637,7 +2677,6 @@ IMPORT : "import" PACKAGE '.' '*' { as3_schedule_package($2); } - PASS2 NEW(import_t,i); i->package = $2; state_has_imports(); @@ -2700,7 +2739,7 @@ MAYBE_CLASS_BODY : CLASS_BODY CLASS_BODY : CLASS_BODY_ITEM CLASS_BODY : CLASS_BODY CLASS_BODY_ITEM CLASS_BODY_ITEM : ';' -CLASS_BODY_ITEM : CONDITIONAL_COMPILATION '{' MAYBE_CLASS_BODY '}' +CLASS_BODY_ITEM : CONDITIONAL_COMPILATION '{' MAYBE_CLASS_BODY '}' {PASS_ALWAYS as3_pass=$1;} CLASS_BODY_ITEM : SLOT_DECLARATION CLASS_BODY_ITEM : FUNCTION_DECLARATION @@ -2733,79 +2772,89 @@ IDECLARATION : MAYBE_MODIFIERS "function" GETSET T_IDENTIFIER '(' MAYBE_PARAM_LI VARCONST: "var" | "const" -SLOT_DECLARATION: MAYBE_MODIFIERS VARCONST {setslotstate(&$1,$2);} SLOT_LIST {$$=$4;setslotstate(0, 0);} +SLOT_DECLARATION: MAYBE_MODIFIERS VARCONST {PASS12 setslotstate(&$1,$2);} SLOT_LIST {PASS12 $$=$4;setslotstate(0, 0);} -SLOT_LIST: ONE_SLOT {$$ = $1;} -SLOT_LIST: SLOT_LIST ',' ONE_SLOT {$$ = code_append($1, $3);} +SLOT_LIST: ONE_SLOT {PASS12 $$=0;} +SLOT_LIST: SLOT_LIST ',' ONE_SLOT {PASS12 $$=0;} ONE_SLOT: T_IDENTIFIER MAYBETYPE MAYBEEXPRESSION { +PASS12 int flags = slotstate_flags->flags; namespace_t ns = modifiers2access(slotstate_flags); - varinfo_t* info = 0; - if(state->cls) { - memberinfo_t*i = registry_findmember(state->cls->info, ns.name, $1, 1); - if(i) { - check_override(i, flags); - } - info = varinfo_register_onclass(state->cls->info, ns.access, ns.name, $1); - } else { - slotinfo_t*i = registry_find(state->package, $1); - if(i) { - syntaxerror("package %s already contains '%s'", state->package, $1); - } - if(ns.name && ns.name[0]) { - syntaxerror("namespaces not allowed on package-level variables"); - } - info = varinfo_register_global(ns.access, state->package, $1); - } + if(as3_pass == 1) { - info->type = $2; - info->flags = flags; + varinfo_t* info = 0; + if(state->cls) { + memberinfo_t*i = registry_findmember(state->cls->info, ns.name, $1, 1); + if(i) { + check_override(i, flags); + } + info = varinfo_register_onclass(state->cls->info, ns.access, ns.name, $1); + } else { + slotinfo_t*i = registry_find(state->package, $1); + if(i) { + syntaxerror("package %s already contains '%s'", state->package, $1); + } + if(ns.name && ns.name[0]) { + syntaxerror("namespaces not allowed on package-level variables"); + } + info = varinfo_register_global(ns.access, state->package, $1); + } - /* slot name */ - multiname_t mname = {QNAME, &ns, 0, $1}; - - trait_list_t**traits; - code_t**code; - if(!state->cls) { - // global variable - 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->header; - } else { - // instance variable - traits = &state->cls->abc->traits; - code = &state->cls->init->header; - } - - trait_t*t=0; - if($2) { - MULTINAME(m, $2); - 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($3.c && !is_pushundefined($3.c)) { - c = abc_getlocal_0(c); - c = code_append(c, $3.c); - c = converttype(c, $3.t, $2); - c = abc_setslot(c, t->slot_id); + info->type = $2; + info->flags = flags; + + dict_put(global->token2info, (void*)(ptroff_t)as3_tokencount, info); } - *code = code_append(*code, c); + if(as3_pass == 2) { + varinfo_t*info = dict_lookup(global->token2info, (void*)(ptroff_t)as3_tokencount); + + /* slot name */ + multiname_t mname = {QNAME, &ns, 0, $1}; + + trait_list_t**traits; + code_t**code; + if(!state->cls) { + // global variable + 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->header; + } else { + // instance variable + traits = &state->cls->abc->traits; + code = &state->cls->init->header; + } + + trait_t*t=0; + if($2) { + MULTINAME(m, $2); + 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($3.c && !is_pushundefined($3.c)) { + c = abc_getlocal_0(c); + c = code_append(c, $3.c); + c = converttype(c, $3.t, $2); + c = abc_setslot(c, t->slot_id); + } + + *code = code_append(*code, c); - if(slotstate_varconst==KW_CONST) { - t->kind= TRAIT_CONST; + if(slotstate_varconst==KW_CONST) { + t->kind= TRAIT_CONST; + } } $$=0; @@ -2945,7 +2994,7 @@ CLASS: X_IDENTIFIER { c->nsset = get_current_imports(); /* make the compiler look for this class in the current directory, just in case: */ - //as3_schedule_class_noerror(state->package, $1); + as3_schedule_class_noerror(state->package, $1); } $$ = (classinfo_t*)c; PASS2 @@ -3157,13 +3206,9 @@ VOIDEXPRESSION : EXPRESSION %prec below_minus { // ----------------------- expression evaluation ------------------------------------- E : INNERFUNCTION %prec prec_none {$$ = $1;} -//V : CONSTANT {$$ = 0;} E : CONSTANT -//V : VAR_READ %prec T_IDENTIFIER {$$ = 0;} E : VAR_READ %prec T_IDENTIFIER {$$ = $1;} -//V : NEW {$$ = $1.c;} E : NEW {$$ = $1;} -//V : DELETE {$$ = $1.c;} E : DELETE {$$ = $1;} E : FUNCTIONCALL @@ -3661,8 +3706,12 @@ E : E '.' '(' E ')' { as3_warning("ignored .() operator"); } -//VARIABLE : VARIABLE "::" '[' EXPRESSION ']' // qualified expression - +//E : E "::" '[' E ']' { +// // qualified expression TODO +// $$.c = abc_pushundefined(0); +// $$.t = 0; +// as3_warning("ignored ::[] operator"); +// } E : E '.' T_IDENTIFIER { @@ -3684,6 +3733,10 @@ E : E '.' T_IDENTIFIER { if(f && f->slot && !noslot) { $$.c = abc_getslot($$.c, f->slot); } else { + if(!f) { + as3_warning("Access of undefined property '%s' in %s", $3, t->name); + } + MEMBER_MULTINAME(m, f, $3); $$.c = abc_getproperty2($$.c, &m); } @@ -3710,6 +3763,7 @@ E : E '.' T_IDENTIFIER { /* when resolving a property on an unknown type, we do know the name of the property (and don't seem to need the package), but we need to make avm2 try out all access modes */ + as3_warning("Resolving %s on unknown type", $3); multiname_t m = {MULTINAME, 0, &nopackage_namespace_set, $3}; $$.c = abc_getproperty2($$.c, &m); $$.c = abc_coerce_a($$.c); @@ -3732,7 +3786,7 @@ VAR_READ : T_IDENTIFIER { /* let the compiler know that it might want to check the current directory/package for this identifier- maybe there's a file $1.as defining $1. */ - //as3_schedule_class_noerror(state->package, $1); + as3_schedule_class_noerror(state->package, $1); PASS2 $$.t = 0; @@ -3758,8 +3812,11 @@ VAR_READ : T_IDENTIFIER { int i_am_static = (state->method && state->method->info)?(state->method->info->flags&FLAG_STATIC):FLAG_STATIC; /* look at current class' members */ - if(state->cls && (f = findmember_nsset(state->cls->info, $1, 1)) && - (f->flags&FLAG_STATIC) >= i_am_static) { + if(!state->method->inner && + state->cls && + (f = findmember_nsset(state->cls->info, $1, 1)) && + (f->flags&FLAG_STATIC) >= i_am_static) + { // $1 is a function in this class int var_is_static = (f->flags&FLAG_STATIC); @@ -3775,7 +3832,7 @@ VAR_READ : T_IDENTIFIER { static properties of a class */ state->method->late_binding = 1; $$.t = f->type; - namespace_t ns = {f->access, ""}; + namespace_t ns = {f->access, f->package}; multiname_t m = {QNAME, &ns, 0, $1}; $$.c = abc_findpropstrict2($$.c, &m); $$.c = abc_getproperty2($$.c, &m); @@ -3785,7 +3842,7 @@ VAR_READ : T_IDENTIFIER { $$.c = abc_getslot($$.c, f->slot); break; } else { - namespace_t ns = {f->access, ""}; + namespace_t ns = {f->access, f->package}; multiname_t m = {QNAME, &ns, 0, $1}; $$.c = abc_getlocal_0($$.c); $$.c = abc_getproperty2($$.c, &m); @@ -3860,9 +3917,16 @@ NAMESPACE_DECLARATION : MAYBE_MODIFIERS NAMESPACE_ID { } USE_NAMESPACE : "use" "namespace" CLASS_SPEC { - + PASS12 const char*url = $3->name; + varinfo_t*s = (varinfo_t*)$3; + if(s->kind == INFOTYPE_UNRESOLVED) { + s = (varinfo_t*)registry_resolve((slotinfo_t*)s); + if(!s) + syntaxerror("Couldn't resolve namespace %s", $3->name); + } + if(!s || s->kind != INFOTYPE_SLOT) syntaxerror("%s.%s is not a public namespace (%d)", $3->package, $3->name, s?s->kind:-1); if(!s->value || !NS_TYPE(s->value->type))