#include "abc.h"
#include "pool.h"
#include "files.h"
+#include "common.h"
#include "tokenizer.h"
#include "registry.h"
#include "code.h"
return 0; //make gcc happy
}
+static void parsererror(const char*file, int line, const char*f)
+{
+ syntaxerror("internal error in %s, %s:%d", f, file, line);
+}
+
+#define parserassert(b) {if(!(b)) parsererror(__FILE__, __LINE__,__func__);}
+
static char* concat2(const char* t1, const char* t2)
{
typedef struct _import {
char*package;
} import_t;
-
DECLARE_LIST(import);
DECLARE(methodstate);
static namespace_list_t nl1 = {&ns1,&nl2};
static namespace_set_t nopackage_namespace_set = {&nl1};
-dict_t*conditionals=0;
+static dict_t*definitions=0;
void as3_set_definition(const char*c)
{
- if(!conditionals)
- conditionals = dict_new();
- if(!dict_contains(conditionals,c))
- dict_put(conditionals,c,0);
+ if(!definitions)
+ definitions = dict_new();
+ if(!dict_contains(definitions,c))
+ dict_put(definitions,c,0);
}
static void new_state()
if(oldstate)
state->active_namespace_urls = list_clone(oldstate->active_namespace_urls);
}
-static void state_has_imports()
-{
- state->wildcard_imports = list_clone(state->wildcard_imports);
- state->imports = dict_clone(state->imports);
- state->has_own_imports = 1;
-}
-static void import_toplevel(const char*package)
-{
- char* s = strdup(package);
- while(1) {
- dict_put(state->import_toplevel_packages, s, 0);
- char*x = strrchr(s, '.');
- if(!x)
- break;
- *x = 0;
- }
- free(s);
-}
static void state_destroy(state_t*state)
{
void* finish_parser()
{
dict_free_all(global->file2token2info, 1, (void*)dict_destroy);
-
global->token2info=0;
-
return global->file;
}
-
-static void xx_scopetest()
-{
- /* findpropstrict doesn't just return a scope object- it
- also makes it "active" somehow. Push local_0 on the
- scope stack and read it back with findpropstrict, it'll
- contain properties like "trace". Trying to find the same
- property on a "vanilla" local_0 yields only a "undefined" */
- //c = abc_findpropstrict(c, "[package]::trace");
-
- /*c = abc_getlocal_0(c);
- c = abc_findpropstrict(c, "[package]::trace");
- c = abc_coerce_a(c);
- c = abc_setlocal_1(c);
-
- c = abc_pushbyte(c, 0);
- c = abc_setlocal_2(c);
-
- code_t*xx = c = abc_label(c);
- c = abc_findpropstrict(c, "[package]::trace");
- c = abc_pushstring(c, "prop:");
- c = abc_hasnext2(c, 1, 2);
- c = abc_dup(c);
- c = abc_setlocal_3(c);
- c = abc_callpropvoid(c, "[package]::trace", 2);
- c = abc_getlocal_3(c);
- c = abc_kill(c, 3);
- c = abc_iftrue(c,xx);*/
-}
-
typedef struct _variable {
int index;
classinfo_t*type;
syntaxerror("undefined variable: %s", name);
return v;
}
+
static char variable_exists(char*name)
{
return dict_contains(state->vars, name);
}
-code_t*defaultvalue(code_t*c, classinfo_t*type);
+
+static code_t*defaultvalue(code_t*c, classinfo_t*type)
+{
+ if(TYPE_IS_INT(type)) {
+ c = abc_pushbyte(c, 0);
+ } else if(TYPE_IS_UINT(type)) {
+ c = abc_pushuint(c, 0);
+ } else if(TYPE_IS_FLOAT(type)) {
+ c = abc_pushnan(c);
+ } else if(TYPE_IS_BOOLEAN(type)) {
+ c = abc_pushfalse(c);
+ } else if(!type) {
+ //c = abc_pushundefined(c);
+ syntaxerror("internal error: can't generate default value for * type");
+ } else {
+ c = abc_pushnull(c);
+ MULTINAME(m, type);
+ c = abc_coerce2(c, &m);
+ }
+ return c;
+}
static int alloc_local()
{
return new_variable(TEMPVARNAME, 0, 0, 0);
}
-code_t* var_block(code_t*body)
+static code_t* var_block(code_t*body)
{
code_t*c = 0;
code_t*k = 0;
return c;
}
-void unknown_variable(char*name)
+static void unknown_variable(char*name)
{
if(!state->method->unresolved_variables)
state->method->unresolved_variables = dict_new();
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* add_scope_code(code_t*c, methodstate_t*m, char init)
{
if(m->uses_slots || (m->late_binding && !m->inner)) { //???? especially inner functions need the pushscope
return c;
}
-
static void startpackage(char*name)
{
new_state();
- /*printf("entering package \"%s\"\n", name);*/
state->package = strdup(name);
}
static void endpackage()
{
- /*printf("leaving package \"%s\"\n", state->package);*/
-
//used e.g. in classinfo_register:
//free(state->package);state->package=0;
-
old_state();
}
return registry_findmember_nsset(cls, state->active_namespace_urls, name, recurse);
}
-void add_active_url(const char*url)
-{
- NEW(namespace_t,n);
- n->name = url;
- list_append(state->active_namespace_urls, n);
-}
-
static void function_initvars(methodstate_t*m, params_t*params, int flags, char var0)
{
if(var0) {
}
}
-static int slotstate_varconst = 0;
-static modifiers_t*slotstate_flags = 0;
-static void setslotstate(modifiers_t* flags, int varconst)
-{
- slotstate_varconst = varconst;
- slotstate_flags = flags;
- if(state->cls) {
- if(flags && flags->flags&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) {
char*name = string_cstr(c->data[0]);
syntaxerror("Unresolved \"continue %s\"", name);
}
+ if(c->opcode == OPCODE___RETHROW__) {
+ syntaxerror("Unresolved \"rethrow\"");
+ }
+ if(c->opcode == OPCODE___FALLTHROUGH__) {
+ syntaxerror("Unresolved \"fallthrough\"");
+ }
if(c->opcode == OPCODE___PUSHPACKAGE__) {
char*name = string_cstr(c->data[0]);
syntaxerror("Can't reference a package (%s) as such", name);
}
}
-
static void check_constant_against_type(classinfo_t*t, constant_t*c)
{
- return;
#define xassert(b) if(!(b)) syntaxerror("Invalid default value %s for type '%s'", constant_tostring(c), t->name)
if(TYPE_IS_NUMBER(t)) {
xassert(c->type == CONSTANT_FLOAT
return 0;
}
-char is_subtype_of(classinfo_t*type, classinfo_t*supertype)
-{
- return 1; // FIXME
-}
-
void breakjumpsto(code_t*c, char*name, code_t*jump)
{
while(c) {
}
}
+/* TODO: move this to ast.c */
#define IS_INT(a) (TYPE_IS_INT((a)) || TYPE_IS_UINT((a)))
#define IS_NUMBER_OR_INT(a) (TYPE_IS_INT((a)) || TYPE_IS_UINT((a)) || TYPE_IS_NUMBER((a)))
#define BOTH_INT(a,b) (IS_INT(a) && IS_INT(b))
-
-classinfo_t*join_types(classinfo_t*type1, classinfo_t*type2, char op)
+static classinfo_t*join_types(classinfo_t*type1, classinfo_t*type2, char op)
{
if(!type1 || !type2)
return registry_getanytype();
return type1;
return registry_getanytype();
}
+static char is_getlocal(code_t*c)
+{
+ if(!c || c->prev || c->next)
+ return 0;
+ return(c->opcode == OPCODE_GETLOCAL
+ || c->opcode == OPCODE_GETLOCAL_0
+ || c->opcode == OPCODE_GETLOCAL_1
+ || c->opcode == OPCODE_GETLOCAL_2
+ || c->opcode == OPCODE_GETLOCAL_3);
+}
+static int getlocalnr(code_t*c)
+{
+ if(c->opcode == OPCODE_GETLOCAL) {return (ptroff_t)c->data[0];}
+ else if(c->opcode == OPCODE_GETLOCAL_0) {return 0;}
+ else if(c->opcode == OPCODE_GETLOCAL_1) {return 1;}
+ else if(c->opcode == OPCODE_GETLOCAL_2) {return 2;}
+ else if(c->opcode == OPCODE_GETLOCAL_3) {return 3;}
+ else syntaxerror("Internal error: opcode %02x is not a getlocal call", c->opcode);
+ return 0;
+}
code_t*converttype(code_t*c, classinfo_t*from, classinfo_t*to)
{
if(from==to)
return c;
}
-
-code_t*defaultvalue(code_t*c, classinfo_t*type)
-{
- if(TYPE_IS_INT(type)) {
- c = abc_pushbyte(c, 0);
- } else if(TYPE_IS_UINT(type)) {
- c = abc_pushuint(c, 0);
- } else if(TYPE_IS_FLOAT(type)) {
- c = abc_pushnan(c);
- } else if(TYPE_IS_BOOLEAN(type)) {
- c = abc_pushfalse(c);
- } else if(!type) {
- //c = abc_pushundefined(c);
- } else {
- c = abc_pushnull(c);
- MULTINAME(m, type);
- c = abc_coerce2(c, &m);
- }
- return c;
-}
+/* move to ast.c todo end */
char is_pushundefined(code_t*c)
{
return x;
}
-static char is_getlocal(code_t*c)
-{
- if(!c || c->prev || c->next)
- return 0;
- return(c->opcode == OPCODE_GETLOCAL
- || c->opcode == OPCODE_GETLOCAL_0
- || c->opcode == OPCODE_GETLOCAL_1
- || c->opcode == OPCODE_GETLOCAL_2
- || c->opcode == OPCODE_GETLOCAL_3);
-}
-static int getlocalnr(code_t*c)
-{
- if(c->opcode == OPCODE_GETLOCAL) {return (ptroff_t)c->data[0];}
- else if(c->opcode == OPCODE_GETLOCAL_0) {return 0;}
- else if(c->opcode == OPCODE_GETLOCAL_1) {return 1;}
- else if(c->opcode == OPCODE_GETLOCAL_2) {return 2;}
- else if(c->opcode == OPCODE_GETLOCAL_3) {return 3;}
- else syntaxerror("Internal error: opcode %02x is not a getlocal call", c->opcode);
- return 0;
-}
-static code_t* toreadwrite(code_t*in, code_t*middlepart, char justassign, char readbefore)
+code_t* toreadwrite(code_t*in, code_t*middlepart, char justassign, char readbefore, char pushvalue)
{
/* converts this:
temp = gettempvar();
c = code_append(c, prefix);
c = code_append(c, r);
- if(readbefore) {
+ if(pushvalue && readbefore) {
c = abc_dup(c);
c = abc_setlocal(c, temp);
}
c = code_append(c, middlepart);
- if(!readbefore) {
+ if(pushvalue && !readbefore) {
c = abc_dup(c);
c = abc_setlocal(c, temp);
}
c = code_append(c, write);
- c = abc_getlocal(c, temp);
- c = abc_kill(c, temp);
+ if(pushvalue) {
+ c = abc_getlocal(c, temp);
+ c = abc_kill(c, temp);
+ }
} else {
/* if we're allowed to execute the read code twice *and*
the middlepart doesn't modify the code, things are easier.
*/
- code_t* r2 = code_dup(r);
//c = code_append(c, prefix);
parserassert(!prefix);
+ code_t* r2 = 0;
+ if(pushvalue) {
+ r2 = code_dup(r);
+ }
c = code_append(c, r);
c = code_append(c, middlepart);
c = code_append(c, write);
- c = code_append(c, r2);
+ if(pushvalue) {
+ c = code_append(c, r2);
+ }
}
} else {
/* even smaller version: overwrite the value without reading
}
c = code_append(c, middlepart);
c = code_append(c, write);
- c = code_append(c, r);
+ if(pushvalue) {
+ c = code_append(c, r);
+ }
} else {
code_free(r);r=0;
temp = gettempvar();
c = code_append(c, prefix);
}
c = code_append(c, middlepart);
- c = abc_dup(c);
- c = abc_setlocal(c, temp);
+ if(pushvalue) {
+ c = abc_dup(c);
+ c = abc_setlocal(c, temp);
+ }
c = code_append(c, write);
- c = abc_getlocal(c, temp);
- c = abc_kill(c, temp);
+ if(pushvalue) {
+ c = abc_getlocal(c, temp);
+ c = abc_kill(c, temp);
+ }
}
}
return c;
PASS12
$$=as3_pass;
char*key = concat3($1,"::",$3);
- if(!conditionals || !dict_contains(conditionals, key)) {
+ if(!definitions || !dict_contains(definitions, key)) {
as3_pass=0;
}
free(key);
/* ------------ variables --------------------------- */
+%code {
+ char is_subtype_of(classinfo_t*type, classinfo_t*supertype)
+ {
+ return 1; // FIXME
+ }
+};
+
MAYBEEXPRESSION : '=' NONCOMMAEXPRESSION {$$=$2;}
| {$$.c=abc_pushundefined(0);
$$.t=TYPE_ANY;
PACKAGE_DECLARATION : "package" '{' {PASS12 startpackage("");}
MAYBE_INPACKAGE_CODE_LIST '}' {PASS12 endpackage();$$=0;}
+%code {
+ static void state_has_imports()
+ {
+ state->wildcard_imports = list_clone(state->wildcard_imports);
+ state->imports = dict_clone(state->imports);
+ state->has_own_imports = 1;
+ }
+ static void import_toplevel(const char*package)
+ {
+ char* s = strdup(package);
+ while(1) {
+ dict_put(state->import_toplevel_packages, s, 0);
+ char*x = strrchr(s, '.');
+ if(!x)
+ break;
+ *x = 0;
+ }
+ free(s);
+ }
+};
IMPORT : "import" PACKAGEANDCLASS {
PASS12
slotinfo_t*s = registry_find($2->package, $2->name);
/* ------------ classes and interfaces (body, slots ) ------- */
+%code {
+ static int slotstate_varconst = 0;
+ static modifiers_t*slotstate_flags = 0;
+ static void setslotstate(modifiers_t* flags, int varconst)
+ {
+ slotstate_varconst = varconst;
+ slotstate_flags = flags;
+ if(state->cls) {
+ if(flags && flags->flags&FLAG_STATIC) {
+ state->method = state->cls->static_init;
+ } else {
+ state->method = state->cls->init;
+ }
+ } else {
+ parserassert(state->method);
+ }
+ }
+};
+
VARCONST: "var" | "const"
SLOT_DECLARATION: MAYBE_MODIFIERS VARCONST {PASS12 setslotstate(&$1,$2);} SLOT_LIST {PASS12 $$=$4;setslotstate(0, 0);}
E : '(' EXPRESSION ')' {$$=$2;} //allow commas in here, too
E : '-' E {
- $$=$2;
+ $$.c = $2.c;
if(IS_INT($2.t)) {
$$.c=abc_negate_i($$.c);
$$.t = TYPE_INT;
c=abc_multiply(c);
}
c=converttype(c, join_types($1.t, $3.t, '*'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E "%=" E {
code_t*c = abc_modulo($3.c);
c=converttype(c, join_types($1.t, $3.t, '%'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E "<<=" E {
code_t*c = abc_lshift($3.c);
c=converttype(c, join_types($1.t, $3.t, '<'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E ">>=" E {
code_t*c = abc_rshift($3.c);
c=converttype(c, join_types($1.t, $3.t, '>'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E ">>>=" E {
code_t*c = abc_urshift($3.c);
c=converttype(c, join_types($1.t, $3.t, 'U'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E "/=" E {
code_t*c = abc_divide($3.c);
c=converttype(c, join_types($1.t, $3.t, '/'), $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E "|=" E {
code_t*c = abc_bitor($3.c);
c=converttype(c, TYPE_INT, $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E "^=" E {
code_t*c = abc_bitxor($3.c);
c=converttype(c, TYPE_INT, $1.t);
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E "+=" E {
c=converttype(c, join_types($1.t, $3.t, '+'), $1.t);
}
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E "-=" E { code_t*c = $3.c;
c=converttype(c, join_types($1.t, $3.t, '-'), $1.t);
}
- $$.c = toreadwrite($1.c, c, 0, 0);
+ $$.c = toreadwrite($1.c, c, 0, 0, 1);
$$.t = $1.t;
}
E : E '=' E { code_t*c = 0;
c = code_append(c, $3.c);
c = converttype(c, $3.t, $1.t);
- $$.c = toreadwrite($1.c, c, 1, 0);
+ $$.c = toreadwrite($1.c, c, 1, 0, 1);
$$.t = $1.t;
}
type = TYPE_NUMBER;
}
c=converttype(c, type, $1.t);
- $$.c = toreadwrite($1.c, c, 0, 1);
+ $$.c = toreadwrite($1.c, c, 0, 1, 1);
$$.t = $1.t;
}
}
type = TYPE_NUMBER;
}
c=converttype(c, type, $1.t);
- $$.c = toreadwrite($1.c, c, 0, 1);
+ $$.c = toreadwrite($1.c, c, 0, 1, 1);
$$.t = $1.t;
}
type = TYPE_NUMBER;
}
c=converttype(c, type, $2.t);
- $$.c = toreadwrite($2.c, c, 0, 0);
+ $$.c = toreadwrite($2.c, c, 0, 0, 1);
$$.t = $2.t;
}
type = TYPE_NUMBER;
}
c=converttype(c, type, $2.t);
- $$.c = toreadwrite($2.c, c, 0, 0);
+ $$.c = toreadwrite($2.c, c, 0, 0, 1);
$$.t = $2.t;
}
$$=0;
}
+%code {
+ void add_active_url(const char*url)
+ {
+ NEW(namespace_t,n);
+ n->name = url;
+ list_append(state->active_namespace_urls, n);
+ }
+};
+
USE_NAMESPACE : "use" "namespace" CLASS_SPEC {
PASS12
const char*url = $3->name;
git.asbjorn.biz / swftools.git / blobdiff