char*
CFCPerlSub_build_allot_params(CFCPerlSub *self) {
CFCParamList *param_list = self->param_list;
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
const char **arg_inits = CFCParamList_get_initial_values(param_list);
size_t num_vars = CFCParamList_num_vars(param_list);
char *allot_params = CFCUtil_strdup("");
// Declare variables and assign default values.
for (size_t i = 1; i < num_vars; i++) {
CFCVariable *arg_var = arg_vars[i];
const char *val = arg_inits[i];
const char *var_name = CFCVariable_micro_sym(arg_var);
if (val == NULL) {
CFCType *arg_type = CFCVariable_get_type(arg_var);
val = CFCType_is_object(arg_type)
? "NULL"
: "0";
}
allot_params = CFCUtil_cat(allot_params, "arg_", var_name, " = ", val,
";\n ", NULL);
}
// Iterate over args in param list.
allot_params
= CFCUtil_cat(allot_params,
"args_ok = XSBind_allot_params(\n"
" &(ST(0)), 1, items,\n", NULL);
for (size_t i = 1; i < num_vars; i++) {
CFCVariable *var = arg_vars[i];
const char *val = arg_inits[i];
int required = val ? 0 : 1;
const char *name = CFCVariable_micro_sym(var);
CFCType *type = CFCVariable_get_type(var);
char *arg = S_allot_params_arg(type, name, required);
allot_params
= CFCUtil_cat(allot_params, " ", arg, ",\n", NULL);
FREEMEM(arg);
}
allot_params
= CFCUtil_cat(allot_params, " NULL);\n",
" if (!args_ok) {\n"
" CFISH_RETHROW(CFISH_INCREF(cfish_Err_get_error()));\n"
" }", NULL);
return allot_params;
}
static void
S_process_dump_member(CFCClass *klass, CFCVariable *member, char *buf,
size_t buf_size) {
CFCUTIL_NULL_CHECK(member);
CFCType *type = CFCVariable_get_type(member);
const char *name = CFCVariable_micro_sym(member);
unsigned name_len = (unsigned)strlen(name);
const char *specifier = CFCType_get_specifier(type);
// Skip the VTable.
if (strcmp(specifier, "cfish_VTable") == 0) {
return;
}
if (CFCType_is_integer(type) || CFCType_is_floating(type)) {
char int_pattern[] =
" Cfish_Hash_Store_Str(dump, \"%s\", %u, (cfish_Obj*)cfish_CB_newf(\"%%i64\", (int64_t)ivars->%s));\n";
char float_pattern[] =
" Cfish_Hash_Store_Str(dump, \"%s\", %u, (cfish_Obj*)cfish_CB_newf(\"%%f64\", (double)ivars->%s));\n";
char bool_pattern[] =
" Cfish_Hash_Store_Str(dump, \"%s\", %u, (cfish_Obj*)cfish_Bool_singleton(ivars->%s));\n";
const char *pattern;
if (strcmp(specifier, "bool") == 0) {
pattern = bool_pattern;
}
else if (CFCType_is_integer(type)) {
pattern = int_pattern;
}
else {
pattern = float_pattern;
}
size_t needed = strlen(pattern) + name_len * 2 + 20;
if (buf_size < needed) {
CFCUtil_die("Buffer not big enough (%lu < %lu)",
(unsigned long)buf_size, (unsigned long)needed);
}
sprintf(buf, pattern, name, name_len, name);
}
else if (CFCType_is_object(type)) {
char pattern[] =
" if (ivars->%s) {\n"
" Cfish_Hash_Store_Str(dump, \"%s\", %u, Cfish_Obj_Dump((cfish_Obj*)ivars->%s));\n"
" }\n";
size_t needed = strlen(pattern) + name_len * 3 + 20;
if (buf_size < needed) {
CFCUtil_die("Buffer not big enough (%lu < %lu)",
(unsigned long)buf_size, (unsigned long)needed);
}
sprintf(buf, pattern, name, name, name_len, name);
}
else {
CFCUtil_die("Don't know how to dump a %s",
CFCType_get_specifier(type));
}
CFCClass_append_autocode(klass, buf);
}
char*
CFCPerlConstructor_xsub_def(CFCPerlConstructor *self) {
const char *c_name = self->sub.c_name;
CFCParamList *param_list = self->sub.param_list;
const char *name_list = CFCParamList_name_list(param_list);
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
const char *func_sym = CFCFunction_full_func_sym(self->init_func);
char *allot_params = CFCPerlSub_build_allot_params((CFCPerlSub*)self);
CFCVariable *self_var = arg_vars[0];
CFCType *self_type = CFCVariable_get_type(self_var);
const char *self_type_str = CFCType_to_c(self_type);
// Compensate for swallowed refcounts.
char *refcount_mods = CFCUtil_strdup("");
for (size_t i = 0; arg_vars[i] != NULL; i++) {
CFCVariable *var = arg_vars[i];
CFCType *type = CFCVariable_get_type(var);
if (CFCType_is_object(type) && CFCType_decremented(type)) {
const char *name = CFCVariable_micro_sym(var);
refcount_mods = CFCUtil_cat(refcount_mods, "\n CFISH_INCREF(",
name, ");", NULL);
}
}
const char pattern[] =
"XS(%s);\n"
"XS(%s) {\n"
" dXSARGS;\n"
" CFISH_UNUSED_VAR(cv);\n"
" if (items < 1) { CFISH_THROW(CFISH_ERR, \"Usage: %%s(class_name, ...)\", GvNAME(CvGV(cv))); }\n"
" SP -= items;\n"
"\n"
" %s\n"
// Create "self" last, so that earlier exceptions while fetching
// params don't trigger a bad invocation of DESTROY.
" %s self = (%s)XSBind_new_blank_obj(ST(0));%s\n"
"\n"
" %s retval = %s(%s);\n"
" if (retval) {\n"
" ST(0) = (SV*)CFISH_Obj_To_Host((cfish_Obj*)retval);\n"
" CFISH_Obj_Dec_RefCount((cfish_Obj*)retval);\n"
" }\n"
" else {\n"
" ST(0) = newSV(0);\n"
" }\n"
" sv_2mortal(ST(0));\n"
" XSRETURN(1);\n"
"}\n\n";
char *xsub_def
= CFCUtil_sprintf(pattern, c_name, c_name, allot_params, self_type_str,
self_type_str, refcount_mods, self_type_str,
func_sym, name_list);
FREEMEM(refcount_mods);
FREEMEM(allot_params);
return xsub_def;
}
static void
S_process_load_member(CFCClass *klass, CFCVariable *member, char *buf,
size_t buf_size) {
CFCUTIL_NULL_CHECK(member);
CFCType *type = CFCVariable_get_type(member);
const char *type_str = CFCType_to_c(type);
const char *name = CFCVariable_micro_sym(member);
unsigned name_len = (unsigned)strlen(name);
char extraction[200];
const char *specifier = CFCType_get_specifier(type);
// Skip the VTable.
if (strcmp(specifier, "cfish_VTable") == 0) {
return;
}
if (2 * strlen(type_str) + 100 > sizeof(extraction)) { // play it safe
CFCUtil_die("type_str too long: '%s'", type_str);
}
if (CFCType_is_integer(type)) {
if (strcmp(specifier, "bool") == 0) {
sprintf(extraction, "Cfish_Obj_To_Bool(var)");
}
else {
sprintf(extraction, "(%s)Cfish_Obj_To_I64(var)", type_str);
}
}
else if (CFCType_is_floating(type)) {
sprintf(extraction, "(%s)Cfish_Obj_To_F64(var)", type_str);
}
else if (CFCType_is_object(type)) {
const char *vtable_var = CFCType_get_vtable_var(type);
sprintf(extraction,
"(%s*)CFISH_CERTIFY(Cfish_Obj_Load(var, var), %s)",
specifier, vtable_var);
}
else {
CFCUtil_die("Don't know how to load %s", specifier);
}
const char *pattern =
" {\n"
" cfish_Obj *var = Cfish_Hash_Fetch_Str(source, \"%s\", %u);\n"
" if (var) { ivars->%s = %s; }\n"
" }\n";
size_t needed = sizeof(pattern)
+ (name_len * 2)
+ strlen(extraction)
+ 20;
if (buf_size < needed) {
CFCUtil_die("Buffer not big enough (%lu < %lu)",
(unsigned long)buf_size, (unsigned long)needed);
}
sprintf(buf, pattern, name, name_len, name, extraction);
CFCClass_append_autocode(klass, buf);
}
static char*
S_build_unused_vars(CFCVariable **vars) {
char *unused = CFCUtil_strdup("");
for (int i = 0; vars[i] != NULL; i++) {
const char *var_name = CFCVariable_micro_sym(vars[i]);
size_t size = strlen(unused) + strlen(var_name) + 80;
unused = (char*)REALLOCATE(unused, size);
strcat(unused, "\n CFISH_UNUSED_VAR(");
strcat(unused, var_name);
strcat(unused, ");");
}
return unused;
}
char*
CFCPerlSub_arg_name_list(CFCPerlSub *self) {
CFCParamList *param_list = self->param_list;
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
size_t num_vars = CFCParamList_num_vars(param_list);
char *name_list = CFCUtil_strdup("arg_self");
for (int i = 1; i < num_vars; i++) {
CFCVariable *arg_var = arg_vars[i];
const char *var_name = CFCVariable_micro_sym(arg_vars[i]);
name_list = CFCUtil_cat(name_list, ", arg_", var_name, NULL);
}
return name_list;
}
char*
CFCPerlSub_arg_declarations(CFCPerlSub *self) {
CFCParamList *param_list = self->param_list;
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
size_t num_vars = CFCParamList_num_vars(param_list);
char *decls = CFCUtil_strdup("");
// Declare variables.
for (size_t i = 1; i < num_vars; i++) {
CFCVariable *arg_var = arg_vars[i];
CFCType *type = CFCVariable_get_type(arg_var);
const char *type_str = CFCType_to_c(type);
const char *var_name = CFCVariable_micro_sym(arg_var);
decls = CFCUtil_cat(decls, " ", type_str, " arg_", var_name,
";\n", NULL);
}
return decls;
}
char*
CFCPerlSub_params_hash_def(CFCPerlSub *self) {
if (!self->use_labeled_params) {
return NULL;
}
char *def = CFCUtil_strdup("");
def = CFCUtil_cat(def, "%", self->perl_name, "_PARAMS = (", NULL);
CFCVariable **arg_vars = CFCParamList_get_variables(self->param_list);
const char **vals = CFCParamList_get_initial_values(self->param_list);
// No labeled params means an empty params hash def.
if (!arg_vars[1]) {
def = CFCUtil_cat(def, ");\n", NULL);
return def;
}
for (int i = 1; arg_vars[i] != NULL; i++) {
CFCVariable *var = arg_vars[i];
const char *micro_sym = CFCVariable_micro_sym(var);
const char *val = vals[i];
val = val == NULL
? "undef"
: strcmp(val, "NULL") == 0
? "undef"
: strcmp(val, "true") == 0
? "1"
: strcmp(val, "false") == 0
? "0"
: val;
def = CFCUtil_cat(def, "\n ", micro_sym, " => ", val, ",", NULL);
}
def = CFCUtil_cat(def, "\n);\n", NULL);
return def;
}
static char*
S_xsub_def_labeled_params(CFCPerlMethod *self) {
const char *c_name = self->sub.c_name;
CFCParamList *param_list = self->sub.param_list;
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
CFCVariable *self_var = arg_vars[0];
CFCType *self_type = CFCVariable_get_type(self_var);
const char *self_micro_sym = CFCVariable_micro_sym(self_var);
const char *micro_sym = CFCMethod_micro_sym(self->method);
char *self_assign = S_self_assign_statement(self, self_type, micro_sym);
char *allot_params = CFCPerlSub_build_allot_params((CFCPerlSub*)self);
char *body = S_xsub_body(self);
char pattern[] =
"XS(%s);\n"
"XS(%s) {\n"
" dXSARGS;\n"
" CHY_UNUSED_VAR(cv);\n"
" if (items < 1) { CFISH_THROW(CFISH_ERR, \"Usage: %%s(%s, ...)\", GvNAME(CvGV(cv))); }\n"
" SP -= items;\n"
"\n"
" /* Extract vars from Perl stack. */\n"
" %s\n"
" %s\n"
"\n"
" /* Execute */\n"
" %s\n"
"}\n";
char *xsub_def
= CFCUtil_sprintf(pattern, c_name, c_name, self_micro_sym,
allot_params, self_assign, body);
FREEMEM(self_assign);
FREEMEM(allot_params);
FREEMEM(body);
return xsub_def;
}
static char*
S_callback_refcount_mods(CFCMethod *method) {
char *refcount_mods = CFCUtil_strdup("");
CFCType *return_type = CFCMethod_get_return_type(method);
CFCParamList *param_list = CFCMethod_get_param_list(method);
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
// `XSBind_perl_to_cfish()` returns an incremented object. If this method
// does not return an incremented object, we must cancel out that
// refcount. (No function can return a decremented object.)
if (CFCType_is_object(return_type) && !CFCType_incremented(return_type)) {
refcount_mods = CFCUtil_cat(refcount_mods,
"\n CFISH_DECREF(retval);", NULL);
}
// Adjust refcounts of arguments per method signature, so that Perl code
// does not have to.
for (int i = 0; arg_vars[i] != NULL; i++) {
CFCVariable *var = arg_vars[i];
CFCType *type = CFCVariable_get_type(var);
const char *name = CFCVariable_micro_sym(var);
if (!CFCType_is_object(type)) {
continue;
}
else if (CFCType_incremented(type)) {
refcount_mods = CFCUtil_cat(refcount_mods, "\n CFISH_INCREF(",
name, ");", NULL);
}
else if (CFCType_decremented(type)) {
refcount_mods = CFCUtil_cat(refcount_mods, "\n CFISH_DECREF(",
name, ");", NULL);
}
}
return refcount_mods;
}
static char*
S_callback_refcount_mods(CFCMethod *method) {
char *refcount_mods = CFCUtil_strdup("");
CFCType *return_type = CFCMethod_get_return_type(method);
CFCParamList *param_list = CFCMethod_get_param_list(method);
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
// Host_callback_obj returns an incremented object. If this method does
// not return an incremented object, we must cancel out that refcount.
// (No function can return a decremented object.)
if (CFCType_is_object(return_type) && !CFCType_incremented(return_type)) {
refcount_mods = CFCUtil_cat(refcount_mods,
"\n CFISH_DECREF(retval);", NULL);
}
// The Host_callback_xxx functions have no effect on the refcounts of
// arguments, so we need to adjust them after the fact.
for (int i = 0; arg_vars[i] != NULL; i++) {
CFCVariable *var = arg_vars[i];
CFCType *type = CFCVariable_get_type(var);
const char *name = CFCVariable_micro_sym(var);
if (!CFCType_is_object(type)) {
continue;
}
else if (CFCType_incremented(type)) {
refcount_mods = CFCUtil_cat(refcount_mods, "\n CFISH_INCREF(",
name, ");", NULL);
}
else if (CFCType_decremented(type)) {
refcount_mods = CFCUtil_cat(refcount_mods, "\n CFISH_DECREF(",
name, ");", NULL);
}
}
return refcount_mods;
}
static char*
S_callback_start(CFCMethod *method) {
CFCParamList *param_list = CFCMethod_get_param_list(method);
static const char pattern[] =
" dSP;\n"
" EXTEND(SP, %d);\n"
" ENTER;\n"
" SAVETMPS;\n"
" PUSHMARK(SP);\n"
" mPUSHs((SV*)Cfish_Obj_To_Host((cfish_Obj*)self));\n";
int num_args = (int)CFCParamList_num_vars(param_list) - 1;
int num_to_extend = num_args == 0 ? 1
: num_args == 1 ? 2
: 1 + (num_args * 2);
char *params = CFCUtil_sprintf(pattern, num_to_extend);
// Iterate over arguments, mapping them to Perl scalars.
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
for (int i = 1; arg_vars[i] != NULL; i++) {
CFCVariable *var = arg_vars[i];
const char *name = CFCVariable_micro_sym(var);
CFCType *type = CFCVariable_get_type(var);
const char *c_type = CFCType_to_c(type);
// Add labels when there are two or more parameters.
if (num_args > 1) {
char num_buf[20];
sprintf(num_buf, "%d", (int)strlen(name));
params = CFCUtil_cat(params, " mPUSHp(\"", name, "\", ",
num_buf, ");\n", NULL);
}
if (CFCType_is_string_type(type)) {
// Convert Clownfish string type to UTF-8 Perl string scalars.
params = CFCUtil_cat(params, " mPUSHs(XSBind_cb_to_sv(",
"(cfish_CharBuf*)", name, "));\n", NULL);
}
else if (CFCType_is_object(type)) {
// Wrap other Clownfish object types in Perl objects.
params = CFCUtil_cat(params, " mPUSHs(XSBind_cfish_to_perl(",
"(cfish_Obj*)", name, "));\n", NULL);
}
else if (CFCType_is_integer(type)) {
// Convert primitive integer types to IV Perl scalars.
int width = (int)CFCType_get_width(type);
if (width != 0 && width <= 4) {
params = CFCUtil_cat(params, " mPUSHi(",
name, ");\n", NULL);
}
else {
// If the Perl IV integer type is not wide enough, use
// doubles. This may be lossy if the value is above 2**52,
// but practically speaking, it's important to handle numbers
// between 2**32 and 2**52 cleanly.
params = CFCUtil_cat(params,
" if (sizeof(IV) >= sizeof(", c_type,
")) { mPUSHi(", name, "); }\n",
" else { mPUSHn((double)", name,
"); } // lossy \n", NULL);
}
}
else if (CFCType_is_floating(type)) {
// Convert primitive floating point types to NV Perl scalars.
params = CFCUtil_cat(params, " mPUSHn(",
name, ");\n", NULL);
}
else {
// Can't map variable type. Signal to caller.
FREEMEM(params);
return NULL;
}
}
// Restore the Perl stack pointer.
params = CFCUtil_cat(params, " PUTBACK;\n", NULL);
return params;
}
static char*
S_xsub_def_positional_args(CFCPerlMethod *self) {
CFCMethod *method = self->method;
CFCParamList *param_list = CFCMethod_get_param_list(method);
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
const char **arg_inits = CFCParamList_get_initial_values(param_list);
unsigned num_vars = (unsigned)CFCParamList_num_vars(param_list);
char *body = S_xsub_body(self);
// Determine how many args are truly required and build an error check.
unsigned min_required = 0;
for (unsigned i = 0; i < num_vars; i++) {
if (arg_inits[i] == NULL) {
min_required = i + 1;
}
}
char *xs_name_list = num_vars > 0
? CFCUtil_strdup(CFCVariable_micro_sym(arg_vars[0]))
: CFCUtil_strdup("");
for (unsigned i = 1; i < num_vars; i++) {
const char *var_name = CFCVariable_micro_sym(arg_vars[i]);
if (i < min_required) {
xs_name_list = CFCUtil_cat(xs_name_list, ", ", var_name, NULL);
}
else {
xs_name_list = CFCUtil_cat(xs_name_list, ", [", var_name, "]",
NULL);
}
}
const char num_args_pattern[] =
"if (items %s %u) { CFISH_THROW(CFISH_ERR, \"Usage: %%s(%s)\", GvNAME(CvGV(cv))); }";
char *num_args_check;
if (min_required < num_vars) {
num_args_check = CFCUtil_sprintf(num_args_pattern, "<", min_required,
xs_name_list);
}
else {
num_args_check = CFCUtil_sprintf(num_args_pattern, "!=", num_vars,
xs_name_list);
}
// Var assignments.
char *var_assignments = CFCUtil_strdup("");
for (unsigned i = 0; i < num_vars; i++) {
CFCVariable *var = arg_vars[i];
const char *val = arg_inits[i];
const char *var_name = CFCVariable_micro_sym(var);
CFCType *var_type = CFCVariable_get_type(var);
const char *type_c = CFCType_to_c(var_type);
if (i == 0) { // self
const char *meth_micro_sym = CFCMethod_micro_sym(self->method);
char *statement
= S_self_assign_statement(self, var_type, meth_micro_sym);
var_assignments = CFCUtil_cat(var_assignments, statement, NULL);
FREEMEM(statement);
}
else {
char perl_stack_var[30];
sprintf(perl_stack_var, "ST(%u)", i);
char *conversion
= CFCPerlTypeMap_from_perl(var_type, perl_stack_var);
if (!conversion) {
CFCUtil_die("Can't map type '%s'", type_c);
}
if (val) {
char pattern[] =
"\n %s %s = ( items >= %u && XSBind_sv_defined(ST(%u)) )"
" ? %s : %s;";
char *statement = CFCUtil_sprintf(pattern, type_c, var_name, i,
i, conversion, val);
var_assignments
= CFCUtil_cat(var_assignments, statement, NULL);
FREEMEM(statement);
}
else {
var_assignments
= CFCUtil_cat(var_assignments, "\n ", type_c, " ",
var_name, " = ", conversion, ";", NULL);
}
FREEMEM(conversion);
}
}
char pattern[] =
"XS(%s);\n"
"XS(%s) {\n"
" dXSARGS;\n"
" CHY_UNUSED_VAR(cv);\n"
" SP -= items;\n"
" %s;\n"
"\n"
" /* Extract vars from Perl stack. */\n"
" %s\n"
"\n"
" /* Execute */\n"
" %s\n"
"}\n";
char *xsub
= CFCUtil_sprintf(pattern, self->sub.c_name, self->sub.c_name,
num_args_check, var_assignments, body);
FREEMEM(num_args_check);
FREEMEM(var_assignments);
FREEMEM(body);
return xsub;
}
static char*
S_xsub_body(CFCPerlMethod *self) {
CFCMethod *method = self->method;
CFCParamList *param_list = CFCMethod_get_param_list(method);
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
const char *name_list = CFCParamList_name_list(param_list);
char *body = CFCUtil_strdup("");
CFCParcel *parcel = CFCMethod_get_parcel(method);
const char *class_name = CFCMethod_get_class_name(method);
CFCClass *klass = CFCClass_fetch_singleton(parcel, class_name);
if (!klass) {
CFCUtil_die("Can't find a CFCClass for '%s'", class_name);
}
// Extract the method function pointer.
char *full_typedef = CFCMethod_full_typedef(method, klass);
char *full_meth = CFCMethod_full_method_sym(method, klass);
char *method_ptr
= CFCUtil_sprintf("%s method = CFISH_METHOD_PTR(%s, %s);\n ",
full_typedef, CFCClass_full_vtable_var(klass),
full_meth);
body = CFCUtil_cat(body, method_ptr, NULL);
FREEMEM(full_typedef);
FREEMEM(full_meth);
FREEMEM(method_ptr);
// Compensate for functions which eat refcounts.
for (int i = 0; arg_vars[i] != NULL; i++) {
CFCVariable *var = arg_vars[i];
CFCType *type = CFCVariable_get_type(var);
if (CFCType_is_object(type) && CFCType_decremented(type)) {
body = CFCUtil_cat(body, "CFISH_INCREF(",
CFCVariable_micro_sym(var), ");\n ", NULL);
}
}
if (CFCType_is_void(CFCMethod_get_return_type(method))) {
// Invoke method in void context.
body = CFCUtil_cat(body, "method(", name_list,
");\n XSRETURN(0);", NULL);
}
else {
// Return a value for method invoked in a scalar context.
CFCType *return_type = CFCMethod_get_return_type(method);
const char *type_str = CFCType_to_c(return_type);
char *assignment = CFCPerlTypeMap_to_perl(return_type, "retval");
if (!assignment) {
CFCUtil_die("Can't find typemap for '%s'", type_str);
}
body = CFCUtil_cat(body, type_str, " retval = method(",
name_list, ");\n ST(0) = ", assignment, ";",
NULL);
if (CFCType_is_object(return_type)
&& CFCType_incremented(return_type)
) {
body = CFCUtil_cat(body, "\n CFISH_DECREF(retval);", NULL);
}
body = CFCUtil_cat(body, "\n sv_2mortal( ST(0) );\n XSRETURN(1);",
NULL);
FREEMEM(assignment);
}
return body;
}
static char*
S_callback_params(CFCMethod *method) {
const char *micro_sym = CFCSymbol_micro_sym((CFCSymbol*)method);
CFCParamList *param_list = CFCMethod_get_param_list(method);
unsigned num_params = CFCParamList_num_vars(param_list) - 1;
size_t needed = strlen(micro_sym) + 30;
char *params = (char*)MALLOCATE(needed);
// TODO: use something other than micro_sym here.
sprintf(params, "self, \"%s\", %u", micro_sym, num_params);
// Iterate over arguments, mapping them to various arg wrappers which
// conform to Host's callback interface.
CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
for (int i = 1; arg_vars[i] != NULL; i++) {
CFCVariable *var = arg_vars[i];
const char *name = CFCVariable_micro_sym(var);
size_t name_len = strlen(name);
CFCType *type = CFCVariable_get_type(var);
const char *c_type = CFCType_to_c(type);
size_t size = strlen(params)
+ strlen(c_type)
+ name_len * 2
+ 30;
char *new_buf = (char*)MALLOCATE(size);
if (CFCType_is_string_type(type)) {
sprintf(new_buf, "%s, CFISH_ARG_STR(\"%s\", %s)", params, name, name);
}
else if (CFCType_is_object(type)) {
sprintf(new_buf, "%s, CFISH_ARG_OBJ(\"%s\", %s)", params, name, name);
}
else if (CFCType_is_integer(type)) {
int width = CFCType_get_width(type);
if (width) {
if (width <= 4) {
sprintf(new_buf, "%s, CFISH_ARG_I32(\"%s\", %s)", params,
name, name);
}
else {
sprintf(new_buf, "%s, CFISH_ARG_I64(\"%s\", %s)", params,
name, name);
}
}
else {
sprintf(new_buf, "%s, CFISH_ARG_I(%s, \"%s\", %s)", params,
c_type, name, name);
}
}
else if (CFCType_is_floating(type)) {
sprintf(new_buf, "%s, CFISH_ARG_F64(\"%s\", %s)", params, name, name);
}
else {
// Can't map variable type. Signal to caller.
FREEMEM(params);
FREEMEM(new_buf);
return NULL;
}
FREEMEM(params);
params = new_buf;
}
return params;
}
static void
S_run_tests(CFCTest *test) {
CFCParser *parser = CFCParser_new();
OK(test, parser != NULL, "new");
{
CFCParcel *fish = CFCTest_parse_parcel(test, parser, "parcel Fish;");
CFCParcel *registered
= CFCParcel_new("Crustacean", "Crust", NULL, false);
CFCParcel_register(registered);
CFCParcel *parcel
= CFCTest_parse_parcel(test, parser, "parcel Crustacean;");
OK(test, parcel == registered, "Fetch registered parcel");
OK(test, CFCParser_get_parcel(parser) == parcel,
"parcel_definition sets internal var");
CFCBase_decref((CFCBase*)fish);
CFCBase_decref((CFCBase*)registered);
CFCBase_decref((CFCBase*)parcel);
}
{
static const char *const specifiers[8] = {
"foo", "_foo", "foo_yoo", "FOO", "Foo", "fOO", "f00", "foo_foo_foo"
};
for (int i = 0; i < 8; ++i) {
const char *specifier = specifiers[i];
char *src = CFCUtil_sprintf("int32_t %s;", specifier);
CFCVariable *var = CFCTest_parse_variable(test, parser, src);
STR_EQ(test, CFCVariable_micro_sym(var), specifier,
"identifier/declarator: %s", specifier);
FREEMEM(src);
CFCBase_decref((CFCBase*)var);
}
}
{
static const char *const specifiers[6] = {
"void", "float", "uint32_t", "int64_t", "uint8_t", "bool"
};
for (int i = 0; i < 6; ++i) {
const char *specifier = specifiers[i];
char *src = CFCUtil_sprintf("int32_t %s;", specifier);
CFCBase *result = CFCParser_parse(parser, src);
OK(test, result == NULL,
"reserved word not parsed as identifier: %s", specifier);
FREEMEM(src);
CFCBase_decref(result);
}
}
{
static const char *const type_strings[7] = {
"bool", "const char *", "Obj*", "i32_t", "char[]", "long[1]",
"i64_t[30]"
};
for (int i = 0; i < 7; ++i) {
const char *type_string = type_strings[i];
CFCType *type = CFCTest_parse_type(test, parser, type_string);
CFCBase_decref((CFCBase*)type);
}
}
{
static const char *const class_names[7] = {
"ByteBuf", "Obj", "ANDMatcher", "Foo", "FooJr", "FooIII", "Foo4th"
};
CFCClass *class_list[8];
for (int i = 0; i < 7; ++i) {
char *class_code = CFCUtil_sprintf("class %s {}", class_names[i]);
CFCClass *klass = CFCTest_parse_class(test, parser, class_code);
class_list[i] = klass;
FREEMEM(class_code);
}
class_list[7] = NULL;
for (int i = 0; i < 7; ++i) {
const char *class_name = class_names[i];
char *src = CFCUtil_sprintf("%s*", class_name);
char *expected = CFCUtil_sprintf("crust_%s", class_name);
CFCType *type = CFCTest_parse_type(test, parser, src);
CFCType_resolve(type, class_list);
STR_EQ(test, CFCType_get_specifier(type), expected,
"object_type_specifier: %s", class_name);
FREEMEM(src);
FREEMEM(expected);
CFCBase_decref((CFCBase*)type);
}
for (int i = 0; i < 7; ++i) {
CFCBase_decref((CFCBase*)class_list[i]);
}
CFCClass_clear_registry();
}
{
CFCType *type = CFCTest_parse_type(test, parser, "const char");
OK(test, CFCType_const(type), "type_qualifier const");
CFCBase_decref((CFCBase*)type);
}
{
static const char *const exposures[2] = {
"public", ""
};
static int (*const accessors[2])(CFCSymbol *sym) = {
CFCSymbol_public, CFCSymbol_parcel
};
for (int i = 0; i < 2; ++i) {
const char *exposure = exposures[i];
char *src = CFCUtil_sprintf("%s inert int32_t foo;", exposure);
CFCVariable *var = CFCTest_parse_variable(test, parser, src);
OK(test, accessors[i]((CFCSymbol*)var), "exposure_specifier %s",
exposure);
FREEMEM(src);
CFCBase_decref((CFCBase*)var);
}
}
{
static const char *const hex_constants[] = {
"0x1", "0x0a", "0xFFFFFFFF", "-0xFC", NULL
};
S_test_initial_value(test, parser, hex_constants, "int32_t",
"hex_constant:");
}
{
static const char *const integer_constants[] = {
"1", "-9999", "0", "10000", NULL
};
S_test_initial_value(test, parser, integer_constants, "int32_t",
"integer_constant:");
}
{
static const char *const float_constants[] = {
"1.0", "-9999.999", "0.1", "0.0", NULL
};
S_test_initial_value(test, parser, float_constants, "double",
"float_constant:");
}
{
static const char *const string_literals[] = {
"\"blah\"", "\"blah blah\"", "\"\\\"blah\\\" \\\"blah\\\"\"", NULL
};
S_test_initial_value(test, parser, string_literals, "String*",
"string_literal:");
}
{
static const char *const composites[5] = {
"int[]", "i32_t **", "Foo **", "Foo ***", "const void *"
};
for (int i = 0; i < 5; ++i) {
const char *composite = composites[i];
CFCType *type = CFCTest_parse_type(test, parser, composite);
OK(test, CFCType_is_composite(type), "composite_type: %s",
composite);
CFCBase_decref((CFCBase*)type);
}
}
{
static const char *const object_types[5] = {
"Obj *", "incremented Foo*", "decremented String *"
};
for (int i = 0; i < 3; ++i) {
const char *object_type = object_types[i];
CFCType *type = CFCTest_parse_type(test, parser, object_type);
OK(test, CFCType_is_object(type), "object_type: %s",
object_type);
CFCBase_decref((CFCBase*)type);
}
}
{
static const char *const param_list_strings[3] = {
"()",
"(int foo)",
"(Obj *foo, Foo **foo_ptr)"
};
for (int i = 0; i < 3; ++i) {
const char *param_list_string = param_list_strings[i];
CFCParamList *param_list
= CFCTest_parse_param_list(test, parser, param_list_string);
INT_EQ(test, CFCParamList_num_vars(param_list), i,
"param list num_vars: %d", i);
CFCBase_decref((CFCBase*)param_list);
}
}
{
CFCParamList *param_list
= CFCTest_parse_param_list(test, parser, "(int foo, ...)");
OK(test, CFCParamList_variadic(param_list), "variadic param list");
CFCBase_decref((CFCBase*)param_list);
}
{
const char *param_list_string =
"(int foo = 0xFF, char *bar =\"blah\")";
CFCParamList *param_list
= CFCTest_parse_param_list(test, parser, param_list_string);
const char **initial_values
= CFCParamList_get_initial_values(param_list);
STR_EQ(test, initial_values[0], "0xFF",
"param list initial_values[0]");
STR_EQ(test, initial_values[1], "\"blah\"",
"param list initial_values[1]");
OK(test, initial_values[2] == NULL, "param list initial_values[2]");
CFCBase_decref((CFCBase*)param_list);
}
{
CFCParser_set_class_name(parser, "Stuff::Obj");
CFCParser_set_class_cnick(parser, "Obj");
const char *method_string =
"public Foo* Spew_Foo(Obj *self, uint32_t *how_many);";
CFCMethod *method = CFCTest_parse_method(test, parser, method_string);
CFCBase_decref((CFCBase*)method);
const char *var_string =
"public inert Hash *hash;";
CFCVariable *var = CFCTest_parse_variable(test, parser, var_string);
CFCBase_decref((CFCBase*)var);
}
{
static const char *const class_names[4] = {
"Foo", "Foo::FooJr", "Foo::FooJr::FooIII",
"Foo::FooJr::FooIII::Foo4th"
};
for (int i = 0; i < 4; ++i) {
const char *class_name = class_names[i];
char *class_string = CFCUtil_sprintf("class %s { }", class_name);
CFCClass *klass
= CFCTest_parse_class(test, parser, class_string);
STR_EQ(test, CFCClass_get_class_name(klass), class_name,
"class_name: %s", class_name);
FREEMEM(class_string);
CFCBase_decref((CFCBase*)klass);
}
}
{
static const char *const cnicks[2] = { "Food", "FF" };
for (int i = 0; i < 2; ++i) {
const char *cnick = cnicks[i];
char *class_string
= CFCUtil_sprintf("class Foodie%s cnick %s { }", cnick, cnick);
CFCClass *klass
= CFCTest_parse_class(test, parser, class_string);
STR_EQ(test, CFCClass_get_cnick(klass), cnick, "cnick: %s", cnick);
FREEMEM(class_string);
CFCBase_decref((CFCBase*)klass);
}
}
CFCBase_decref((CFCBase*)parser);
CFCClass_clear_registry();
CFCParcel_reap_singletons();
}
