void
CFCPerl_write_hostdefs(CFCPerl *self) {
const char pattern[] =
"%s\n"
"\n"
"#ifndef H_CFISH_HOSTDEFS\n"
"#define H_CFISH_HOSTDEFS 1\n"
"\n"
"/* Refcount / host object */\n"
"typedef union {\n"
" size_t count;\n"
" void *host_obj;\n"
"} cfish_ref_t;\n"
"\n"
"#define CFISH_OBJ_HEAD\\\n"
" cfish_ref_t ref;\n"
"\n"
"#endif /* H_CFISH_HOSTDEFS */\n"
"\n"
"%s\n";
char *content
= CFCUtil_sprintf(pattern, self->c_header, self->c_footer);
// Unlink then write file.
const char *inc_dest = CFCHierarchy_get_include_dest(self->hierarchy);
char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "cfish_hostdefs.h",
inc_dest);
remove(filepath);
CFCUtil_write_file(filepath, content, strlen(content));
FREEMEM(filepath);
FREEMEM(content);
}
void
CFCC_write_hostdefs(CFCC *self) {
const char pattern[] =
"%s\n"
"\n"
"#ifndef H_CFISH_HOSTDEFS\n"
"#define H_CFISH_HOSTDEFS 1\n"
"\n"
"#define CFISH_OBJ_HEAD \\\n"
" size_t refcount;\n"
"\n"
"#define CFISH_NO_DYNAMIC_OVERRIDES\n"
"\n"
"#endif /* H_CFISH_HOSTDEFS */\n"
"\n"
"%s\n";
char *content
= CFCUtil_sprintf(pattern, self->c_header, self->c_footer);
// Unlink then write file.
const char *inc_dest = CFCHierarchy_get_include_dest(self->hierarchy);
char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "cfish_hostdefs.h",
inc_dest);
remove(filepath);
CFCUtil_write_file(filepath, content, strlen(content));
FREEMEM(filepath);
FREEMEM(content);
}
static void
S_write_boot_h(CFCPerl *self) {
char *guard = CFCUtil_sprintf("%s_BOOT", self->boot_class);
S_replace_double_colons(guard, '_');
for (char *ptr = guard; *ptr != '\0'; ptr++) {
if (isalpha(*ptr)) {
*ptr = toupper(*ptr);
}
}
const char pattern[] =
"%s\n"
"\n"
"#ifndef %s\n"
"#define %s 1\n"
"\n"
"void\n"
"%s();\n"
"\n"
"#endif /* %s */\n"
"\n"
"%s\n";
char *content
= CFCUtil_sprintf(pattern, self->header, guard, guard, self->boot_func,
guard, self->footer);
const char *inc_dest = CFCHierarchy_get_include_dest(self->hierarchy);
char *boot_h_path = CFCUtil_sprintf("%s" CHY_DIR_SEP "boot.h", inc_dest);
CFCUtil_write_file(boot_h_path, content, strlen(content));
FREEMEM(boot_h_path);
FREEMEM(content);
FREEMEM(guard);
}
/* Write the "cfish_platform.h" header file, which contains platform-specific
* definitions.
*/
static void
S_write_platform_h(CFCBindCore *self) {
char *feature_defs = S_charmony_feature_defines();
char *string_defs = S_charmony_string_defines();
char *stdbool_defs = S_charmony_stdbool_defines();
char *stdint_defs = S_charmony_stdint_defines();
char *alloca_defs = S_charmony_alloca_defines();
const char pattern[] =
"%s"
"\n"
"#ifndef CFISH_PLATFORM_H\n"
"#define CFISH_PLATFORM_H 1\n"
"\n"
"#ifdef __cplusplus\n"
"extern \"C\" {\n"
"#endif\n"
"\n"
"%s"
"%s"
"\n"
"%s"
"%s"
"\n"
"%s"
"\n"
"#ifdef __cplusplus\n"
"}\n"
"#endif\n"
"\n"
"#endif /* CFISH_PLATFORM_H */\n"
"\n"
"%s"
"\n";
char *file_content
= CFCUtil_sprintf(pattern, self->c_header, feature_defs, string_defs,
stdbool_defs, stdint_defs, alloca_defs,
self->c_footer);
// Unlink then write file.
const char *inc_dest = CFCHierarchy_get_include_dest(self->hierarchy);
char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "cfish_platform.h",
inc_dest);
remove(filepath);
CFCUtil_write_file(filepath, file_content, strlen(file_content));
FREEMEM(filepath);
FREEMEM(feature_defs);
FREEMEM(string_defs);
FREEMEM(stdbool_defs);
FREEMEM(stdint_defs);
FREEMEM(alloca_defs);
FREEMEM(file_content);
}
void
CFCHierarchy_write_log(CFCHierarchy *self) {
// For now, we only write an empty file that can be used as a Makefile
// target. It might be useful to add statistics about the class hierarchy
// later.
const char *file_content = "{}\n";
char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "hierarchy.json",
self->dest);
remove(filepath);
CFCUtil_write_file(filepath, file_content, strlen(file_content));
FREEMEM(filepath);
}
static void
S_write_host_h(CFCPerl *self, CFCParcel *parcel) {
const char *prefix = CFCParcel_get_prefix(parcel);
const char *PREFIX = CFCParcel_get_PREFIX(parcel);
char *guard = CFCUtil_sprintf("H_%sBOOT", PREFIX);
const char pattern[] =
"%s\n"
"\n"
"#ifndef %s\n"
"#define %s 1\n"
"\n"
"#ifdef __cplusplus\n"
"extern \"C\" {\n"
"#endif\n"
"\n"
"void\n"
"%sbootstrap_perl(void);\n"
"\n"
"#ifdef __cplusplus\n"
"}\n"
"#endif\n"
"\n"
"#endif /* %s */\n"
"\n"
"%s\n";
char *content
= CFCUtil_sprintf(pattern, self->c_header, guard, guard, prefix, guard,
self->c_footer);
const char *inc_dest = CFCHierarchy_get_include_dest(self->hierarchy);
char *host_h_path = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sperl.h", inc_dest,
prefix);
CFCUtil_write_file(host_h_path, content, strlen(content));
FREEMEM(host_h_path);
FREEMEM(content);
FREEMEM(guard);
}
static void
S_write_parcel_c(CFCBindCore *self, CFCParcel *parcel) {
CFCHierarchy *hierarchy = self->hierarchy;
const char *prefix = CFCParcel_get_prefix(parcel);
// Aggregate C code for the parcel.
char *privacy_syms = CFCUtil_strdup("");
char *includes = CFCUtil_strdup("");
char *c_data = CFCUtil_strdup("");
CFCBindSpecs *specs = CFCBindSpecs_new();
CFCClass **ordered = CFCHierarchy_ordered_classes(hierarchy);
for (int i = 0; ordered[i] != NULL; i++) {
CFCClass *klass = ordered[i];
const char *class_prefix = CFCClass_get_prefix(klass);
if (strcmp(class_prefix, prefix) != 0) { continue; }
const char *include_h = CFCClass_include_h(klass);
includes = CFCUtil_cat(includes, "#include \"", include_h,
"\"\n", NULL);
CFCBindClass *class_binding = CFCBindClass_new(klass);
char *class_c_data = CFCBindClass_to_c_data(class_binding);
c_data = CFCUtil_cat(c_data, class_c_data, "\n", NULL);
FREEMEM(class_c_data);
CFCBindSpecs_add_class(specs, klass);
const char *privacy_sym = CFCClass_privacy_symbol(klass);
privacy_syms = CFCUtil_cat(privacy_syms, "#define ",
privacy_sym, "\n", NULL);
CFCBase_decref((CFCBase*)class_binding);
}
char *spec_defs = CFCBindSpecs_defs(specs);
char *spec_init_func = CFCBindSpecs_init_func_def(specs);
FREEMEM(ordered);
// Bootstrapping code for prerequisite parcels.
//
// bootstrap_inheritance() first calls bootstrap_inheritance() for all
// parcels from which classes are inherited. Then the Classes of the parcel
// are initialized. It aborts on recursive invocation.
//
// bootstrap_parcel() first calls bootstrap_inheritance() of its own
// parcel. Then it calls bootstrap_parcel() for all prerequisite parcels.
// Finally, it calls init_parcel(). Recursive invocation is allowed.
char *inh_bootstrap = CFCUtil_strdup("");
char *prereq_bootstrap = CFCUtil_strdup("");
CFCParcel **inh_parcels = CFCParcel_inherited_parcels(parcel);
for (size_t i = 0; inh_parcels[i]; ++i) {
const char *inh_prefix = CFCParcel_get_prefix(inh_parcels[i]);
inh_bootstrap = CFCUtil_cat(inh_bootstrap, " ", inh_prefix,
"bootstrap_inheritance();\n", NULL);
}
FREEMEM(inh_parcels);
CFCParcel **prereq_parcels = CFCParcel_prereq_parcels(parcel);
for (size_t i = 0; prereq_parcels[i]; ++i) {
const char *prereq_prefix = CFCParcel_get_prefix(prereq_parcels[i]);
prereq_bootstrap = CFCUtil_cat(prereq_bootstrap, " ", prereq_prefix,
"bootstrap_parcel();\n", NULL);
}
FREEMEM(prereq_parcels);
char pattern[] =
"%s\n"
"\n"
"#include <stdio.h>\n"
"#include <stdlib.h>\n"
"\n"
"%s"
"\n"
"#include \"Clownfish/Class.h\"\n" // Needed for bootstrap.
"#include \"Clownfish/Err.h\"\n" // Needed for abstract methods.
"%s\n"
"\n"
"%s\n"
"\n"
"/* ClassSpec and MethSpec structs for initialization.\n"
" */\n"
"\n"
"%s" // spec_defs
"\n"
"/* Code to initialize ClassSpec and MethSpec structs.\n"
" */\n"
"\n"
"%s" // spec_init_func
"\n"
"static int bootstrap_state = 0;\n"
"\n"
"void\n"
"%sbootstrap_inheritance() {\n"
" if (bootstrap_state == 1) {\n"
" fprintf(stderr, \"Cycle in class inheritance between\"\n"
" \" parcels detected.\\n\");\n"
" abort();\n"
" }\n"
" if (bootstrap_state >= 2) { return; }\n"
" bootstrap_state = 1;\n"
"%s" // Bootstrap inherited parcels.
" S_bootstrap_specs();\n"
" bootstrap_state = 2;\n"
"}\n"
"\n"
"void\n"
"%sbootstrap_parcel() {\n"
" if (bootstrap_state >= 3) { return; }\n"
" %sbootstrap_inheritance();\n"
" bootstrap_state = 3;\n"
"%s" // Finish bootstrapping of all prerequisite parcels.
" %sinit_parcel();\n"
"}\n"
"\n"
"%s\n";
char *file_content
= CFCUtil_sprintf(pattern, self->c_header, privacy_syms, includes,
c_data, spec_defs, spec_init_func, prefix,
inh_bootstrap, prefix, prefix, prereq_bootstrap,
prefix, self->c_footer);
// Unlink then open file.
const char *src_dest = CFCHierarchy_get_source_dest(hierarchy);
char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sparcel.c", src_dest,
prefix);
remove(filepath);
CFCUtil_write_file(filepath, file_content, strlen(file_content));
FREEMEM(filepath);
CFCBase_decref((CFCBase*)specs);
FREEMEM(privacy_syms);
FREEMEM(includes);
FREEMEM(c_data);
FREEMEM(spec_defs);
FREEMEM(spec_init_func);
FREEMEM(inh_bootstrap);
FREEMEM(prereq_bootstrap);
FREEMEM(file_content);
}
/* Write the "parcel.h" header file, which contains common symbols needed by
* all classes, plus typedefs for all class structs.
*/
static void
S_write_parcel_h(CFCBindCore *self, CFCParcel *parcel) {
CFCHierarchy *hierarchy = self->hierarchy;
const char *prefix = CFCParcel_get_prefix(parcel);
const char *PREFIX = CFCParcel_get_PREFIX(parcel);
const char *privacy_sym = CFCParcel_get_privacy_sym(parcel);
// Declare object structs and class singletons for all instantiable
// classes.
char *typedefs = CFCUtil_strdup("");
char *class_decls = CFCUtil_strdup("");
CFCClass **ordered = CFCHierarchy_ordered_classes(hierarchy);
for (int i = 0; ordered[i] != NULL; i++) {
CFCClass *klass = ordered[i];
const char *class_prefix = CFCClass_get_prefix(klass);
if (strcmp(class_prefix, prefix) != 0) { continue; }
if (!CFCClass_inert(klass)) {
const char *full_struct = CFCClass_full_struct_sym(klass);
typedefs = CFCUtil_cat(typedefs, "typedef struct ", full_struct,
" ", full_struct, ";\n", NULL);
const char *class_var = CFCClass_full_class_var(klass);
class_decls = CFCUtil_cat(class_decls, "extern ", PREFIX,
"VISIBLE cfish_Class *", class_var,
";\n", NULL);
}
}
FREEMEM(ordered);
// Special includes and macros for Clownfish parcel.
const char *cfish_includes =
"#include <stdarg.h>\n"
"#include <stddef.h>\n"
"\n"
"#include \"cfish_platform.h\"\n"
"#include \"cfish_hostdefs.h\"\n";
// Special definitions for Clownfish parcel.
const char *cfish_defs_1 =
"#define CFISH_UNUSED_VAR(var) ((void)var)\n"
"#define CFISH_UNREACHABLE_RETURN(type) return (type)0\n"
"\n"
"/* Generic method pointer.\n"
" */\n"
"typedef void\n"
"(*cfish_method_t)(const void *vself);\n"
"\n"
"/* Access the function pointer for a given method from the class.\n"
" */\n"
"#define CFISH_METHOD_PTR(_class, _full_meth) \\\n"
" ((_full_meth ## _t)cfish_method(_class, _full_meth ## _OFFSET))\n"
"\n"
"static CFISH_INLINE cfish_method_t\n"
"cfish_method(const void *klass, uint32_t offset) {\n"
" union { char *cptr; cfish_method_t *fptr; } ptr;\n"
" ptr.cptr = (char*)klass + offset;\n"
" return ptr.fptr[0];\n"
"}\n"
"\n"
"typedef struct cfish_Dummy {\n"
" CFISH_OBJ_HEAD\n"
" void *klass;\n"
"} cfish_Dummy;\n"
"\n"
"/* Access the function pointer for a given method from the object.\n"
" */\n"
"static CFISH_INLINE cfish_method_t\n"
"cfish_obj_method(const void *object, uint32_t offset) {\n"
" cfish_Dummy *dummy = (cfish_Dummy*)object;\n"
" return cfish_method(dummy->klass, offset);\n"
"}\n"
"\n"
"/* Access the function pointer for the given method in the\n"
" * superclass. */\n"
"#define CFISH_SUPER_METHOD_PTR(_class, _full_meth) \\\n"
" ((_full_meth ## _t)cfish_super_method(_class, \\\n"
" _full_meth ## _OFFSET))\n"
"\n"
"extern CFISH_VISIBLE uint32_t cfish_Class_offset_of_parent;\n"
"static CFISH_INLINE cfish_method_t\n"
"cfish_super_method(const void *klass, uint32_t offset) {\n"
" char *class_as_char = (char*)klass;\n"
" cfish_Class **parent_ptr\n"
" = (cfish_Class**)(class_as_char + cfish_Class_offset_of_parent);\n"
" return cfish_method(*parent_ptr, offset);\n"
"}\n"
"\n"
"typedef void\n"
"(*cfish_destroy_t)(void *vself);\n"
"extern CFISH_VISIBLE uint32_t CFISH_Obj_Destroy_OFFSET;\n"
"\n"
"/** Invoke the [](.Destroy) method found in `klass` on\n"
" * `self`.\n"
" *\n"
" * TODO: Eliminate this function if we can arrive at a proper SUPER syntax.\n"
" */\n"
"static CFISH_INLINE void\n"
"cfish_super_destroy(void *vself, cfish_Class *klass) {\n"
" cfish_Obj *self = (cfish_Obj*)vself;\n"
" if (self != NULL) {\n"
" cfish_destroy_t super_destroy\n"
" = (cfish_destroy_t)cfish_super_method(klass, CFISH_Obj_Destroy_OFFSET);\n"
" super_destroy(self);\n"
" }\n"
"}\n"
"\n"
"#define CFISH_SUPER_DESTROY(_self, _class) \\\n"
" cfish_super_destroy(_self, _class)\n"
"\n"
"extern CFISH_VISIBLE cfish_Obj*\n"
"cfish_inc_refcount(void *vself);\n"
"\n"
"/** NULL-safe invocation invocation of `cfish_inc_refcount`.\n"
" *\n"
" * @return NULL if `self` is NULL, otherwise the return value\n"
" * of `cfish_inc_refcount`.\n"
" */\n"
"static CFISH_INLINE cfish_Obj*\n"
"cfish_incref(void *vself) {\n"
" if (vself != NULL) { return cfish_inc_refcount(vself); }\n"
" else { return NULL; }\n"
"}\n"
"\n"
"#define CFISH_INCREF(_self) cfish_incref(_self)\n"
"#define CFISH_INCREF_NN(_self) cfish_inc_refcount(_self)\n"
"\n"
"extern CFISH_VISIBLE uint32_t\n"
"cfish_dec_refcount(void *vself);\n"
"\n"
"/** NULL-safe invocation of `cfish_dec_refcount`.\n"
" *\n"
" * @return NULL if `self` is NULL, otherwise the return value\n"
" * of `cfish_dec_refcount`.\n"
" */\n"
"static CFISH_INLINE uint32_t\n"
"cfish_decref(void *vself) {\n"
" if (vself != NULL) { return cfish_dec_refcount(vself); }\n"
" else { return 0; }\n"
"}\n"
"\n"
"#define CFISH_DECREF(_self) cfish_decref(_self)\n"
"#define CFISH_DECREF_NN(_self) cfish_dec_refcount(_self)\n"
"\n"
"extern CFISH_VISIBLE uint32_t\n"
"cfish_get_refcount(void *vself);\n"
"\n"
"#define CFISH_REFCOUNT_NN(_self) \\\n"
" cfish_get_refcount(_self)\n"
"\n"
"/* Flags for internal use. */\n"
"#define CFISH_fREFCOUNTSPECIAL 0x00000001\n"
"#define CFISH_fFINAL 0x00000002\n"
;
const char *cfish_defs_2 =
"#ifdef CFISH_USE_SHORT_NAMES\n"
" #define UNUSED_VAR CFISH_UNUSED_VAR\n"
" #define UNREACHABLE_RETURN CFISH_UNREACHABLE_RETURN\n"
" #define METHOD_PTR CFISH_METHOD_PTR\n"
" #define SUPER_METHOD_PTR CFISH_SUPER_METHOD_PTR\n"
" #define SUPER_DESTROY(_self, _class) CFISH_SUPER_DESTROY(_self, _class)\n"
" #define INCREF(_self) CFISH_INCREF(_self)\n"
" #define INCREF_NN(_self) CFISH_INCREF_NN(_self)\n"
" #define DECREF(_self) CFISH_DECREF(_self)\n"
" #define DECREF_NN(_self) CFISH_DECREF_NN(_self)\n"
" #define REFCOUNT_NN(_self) CFISH_REFCOUNT_NN(_self)\n"
"#endif\n"
"\n";
char *extra_defs;
char *extra_includes;
if (CFCParcel_is_cfish(parcel)) {
const char *spec_typedefs = CFCBindSpecs_get_typedefs();
extra_defs = CFCUtil_sprintf("%s%s%s", cfish_defs_1, spec_typedefs,
cfish_defs_2);
extra_includes = CFCUtil_strdup(cfish_includes);
}
else {
extra_defs = CFCUtil_strdup("");
extra_includes = CFCUtil_strdup("");
// Include parcel.h of prerequisite parcels.
CFCParcel **prereq_parcels = CFCParcel_prereq_parcels(parcel);
for (size_t i = 0; prereq_parcels[i]; ++i) {
const char *prereq_prefix
= CFCParcel_get_prefix(prereq_parcels[i]);
extra_includes = CFCUtil_cat(extra_includes, "#include \"",
prereq_prefix, "parcel.h\"\n", NULL);
}
FREEMEM(prereq_parcels);
}
const char pattern[] =
"%s\n"
"#ifndef CFISH_%sPARCEL_H\n"
"#define CFISH_%sPARCEL_H 1\n"
"\n"
"#ifdef __cplusplus\n"
"extern \"C\" {\n"
"#endif\n"
"\n"
"%s" // Extra includes.
"\n"
"#ifdef %s\n"
" #define %sVISIBLE CFISH_EXPORT\n"
"#else\n"
" #define %sVISIBLE CFISH_IMPORT\n"
"#endif\n"
"\n"
"%s" // Typedefs.
"\n"
"%s" // Class singletons.
"\n"
"%s" // Extra definitions.
"%sVISIBLE void\n"
"%sbootstrap_inheritance();\n"
"\n"
"%sVISIBLE void\n"
"%sbootstrap_parcel();\n"
"\n"
"void\n"
"%sinit_parcel();\n"
"\n"
"#ifdef __cplusplus\n"
"}\n"
"#endif\n"
"\n"
"#endif /* CFISH_%sPARCEL_H */\n"
"\n"
"%s\n"
"\n";
char *file_content
= CFCUtil_sprintf(pattern, self->c_header, PREFIX, PREFIX,
extra_includes, privacy_sym, PREFIX, PREFIX,
typedefs, class_decls, extra_defs, PREFIX, prefix,
PREFIX, prefix, prefix, PREFIX, self->c_footer);
// Unlink then write file.
const char *inc_dest = CFCHierarchy_get_include_dest(hierarchy);
char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sparcel.h", inc_dest,
prefix);
remove(filepath);
CFCUtil_write_file(filepath, file_content, strlen(file_content));
FREEMEM(filepath);
FREEMEM(typedefs);
FREEMEM(class_decls);
FREEMEM(extra_defs);
FREEMEM(extra_includes);
FREEMEM(file_content);
}
static void
S_run_basic_tests(CFCTest *test) {
CFCHierarchy *hierarchy = CFCHierarchy_new(T_CFDEST);
STR_EQ(test, CFCHierarchy_get_dest(hierarchy), T_CFDEST, "get_dest");
STR_EQ(test, CFCHierarchy_get_include_dest(hierarchy), T_CFDEST_INCLUDE,
"get_include_dest");
STR_EQ(test, CFCHierarchy_get_source_dest(hierarchy), T_CFDEST_SOURCE,
"get_source_dest");
CFCHierarchy_add_source_dir(hierarchy, T_CFBASE);
const char **source_dirs = CFCHierarchy_get_source_dirs(hierarchy);
STR_EQ(test, source_dirs[0], T_CFBASE, "source_dirs[0]");
OK(test, source_dirs[1] == NULL, "source_dirs[1]");
CFCHierarchy_build(hierarchy);
CFCFile **files = CFCHierarchy_files(hierarchy);
CFCFile *animal = NULL;
CFCFile *dog = NULL;
CFCFile *util = NULL;
for (int i = 0; i < 3; ++i) {
CFCFile *file = files[i];
OK(test, file != NULL, "files[%d]", i);
OK(test, !CFCFile_get_modified(file), "start off not modified");
CFCBase **blocks = CFCFile_blocks(file);
for (int j = 0; blocks[j]; ++j) {
CFCBase *block = blocks[j];
const char *cfc_class_name = CFCBase_get_cfc_class(block);
if (strcmp(cfc_class_name, "Clownfish::CFC::Model::Class") == 0) {
CFCClass *klass = (CFCClass*)block;
const char *class_name = CFCClass_get_name(klass);
if (strcmp(class_name, "Animal") == 0) {
animal = file;
}
else if (strcmp(class_name, "Animal::Dog") == 0) {
dog = file;
}
else if (strcmp(class_name, "Animal::Util") == 0) {
util = file;
}
}
}
}
OK(test, files[3] == NULL, "recursed and found all three files");
{
CFCClass **ordered_classes = CFCHierarchy_ordered_classes(hierarchy);
OK(test, ordered_classes[0] != NULL, "ordered_classes[0]");
OK(test, ordered_classes[1] != NULL, "ordered_classes[1]");
OK(test, ordered_classes[2] != NULL, "ordered_classes[2]");
OK(test, ordered_classes[3] != NULL, "ordered_classes[3]");
OK(test, ordered_classes[4] == NULL, "all classes");
FREEMEM(ordered_classes);
}
// Generate fake C files, with times set to two seconds ago.
time_t now = time(NULL);
time_t past_time = now - 2;
static const char *const h_paths[] = {
T_CFDEST_INCLUDE CHY_DIR_SEP "Animal.h",
T_CFDEST_INCLUDE CHY_DIR_SEP "Animal" CHY_DIR_SEP "Dog.h",
T_CFDEST_INCLUDE CHY_DIR_SEP "Animal" CHY_DIR_SEP "Util.h"
};
OK(test, CFCUtil_make_path(T_CFDEST_INCLUDE CHY_DIR_SEP "Animal"),
"make_path");
for (int i = 0; i < 3; ++i) {
const char *h_path = h_paths[i];
const char *content = "#include <stdio.h>\n";
CFCUtil_write_file(h_path, content, strlen(content));
CFCTest_set_file_times(h_path, past_time);
}
char *cfh_path = CFCFile_cfh_path(animal, T_CFBASE);
CFCTest_set_file_times(cfh_path, now);
FREEMEM(cfh_path);
CFCHierarchy_propagate_modified(hierarchy, 0);
OK(test, CFCFile_get_modified(animal), "Animal modified");
OK(test, CFCFile_get_modified(dog),
"Parent's modification propagates to child's file");
OK(test, !CFCFile_get_modified(util),
"Modification doesn't propagate to inert class");
for (int i = 0; i < 3; ++i) {
remove(h_paths[i]);
}
rmdir(T_CFDEST_INCLUDE CHY_DIR_SEP "Animal");
rmdir(T_CFDEST_INCLUDE);
rmdir(T_CFDEST_SOURCE);
rmdir(T_CFDEST);
CFCBase_decref((CFCBase*)hierarchy);
CFCClass_clear_registry();
CFCParcel_reap_singletons();
}
static void
S_write_host_c(CFCPerl *self, CFCParcel *parcel) {
CFCClass **ordered = CFCHierarchy_ordered_classes(self->hierarchy);
const char *prefix = CFCParcel_get_prefix(parcel);
const char *privacy_sym = CFCParcel_get_privacy_sym(parcel);
char *includes = CFCUtil_strdup("");
char *cb_defs = CFCUtil_strdup("");
char *alias_adds = CFCUtil_strdup("");
for (size_t i = 0; ordered[i] != NULL; i++) {
CFCClass *klass = ordered[i];
if (CFCClass_inert(klass)) { continue; }
const char *class_prefix = CFCClass_get_prefix(klass);
if (strcmp(class_prefix, prefix) != 0) { continue; }
const char *class_name = CFCClass_get_name(klass);
const char *include_h = CFCClass_include_h(klass);
includes = CFCUtil_cat(includes, "#include \"", include_h,
"\"\n", NULL);
// Callbacks.
CFCMethod **fresh_methods = CFCClass_fresh_methods(klass);
for (int meth_num = 0; fresh_methods[meth_num] != NULL; meth_num++) {
CFCMethod *method = fresh_methods[meth_num];
// Define callback.
if (CFCMethod_novel(method) && !CFCMethod_final(method)) {
char *cb_def = CFCPerlMethod_callback_def(method, klass);
cb_defs = CFCUtil_cat(cb_defs, cb_def, "\n", NULL);
FREEMEM(cb_def);
}
}
// Add class aliases.
CFCPerlClass *class_binding = CFCPerlClass_singleton(class_name);
if (class_binding) {
const char *class_var = CFCClass_full_class_var(klass);
const char **aliases
= CFCPerlClass_get_class_aliases(class_binding);
for (size_t j = 0; aliases[j] != NULL; j++) {
const char *alias = aliases[j];
int alias_len = (int)strlen(alias);
const char pattern[] =
" cfish_Class_add_alias_to_registry("
"%s, \"%s\", %d);\n";
char *alias_add
= CFCUtil_sprintf(pattern, class_var, alias, alias_len);
alias_adds = CFCUtil_cat(alias_adds, alias_add, NULL);
FREEMEM(alias_add);
}
char *metadata_code
= CFCPerlClass_method_metadata_code(class_binding);
alias_adds = CFCUtil_cat(alias_adds, metadata_code, NULL);
FREEMEM(metadata_code);
}
}
const char pattern[] =
"%s"
"\n"
"#define %s\n" // privacy_sym
"\n"
"#include \"%sperl.h\"\n"
"#include \"XSBind.h\"\n"
"#include \"Clownfish/Class.h\"\n"
"#include \"Clownfish/Err.h\"\n"
"#include \"Clownfish/Obj.h\"\n"
"%s"
"\n"
"/* Avoid conflicts with Clownfish bool type. */\n"
"#define HAS_BOOL\n"
"#define PERL_NO_GET_CONTEXT\n"
"#include \"EXTERN.h\"\n"
"#include \"perl.h\"\n"
"#include \"XSUB.h\"\n"
"\n"
"static void\n"
"S_finish_callback_void(pTHX_ const char *meth_name) {\n"
" int count = call_method(meth_name, G_VOID | G_DISCARD);\n"
" if (count != 0) {\n"
" CFISH_THROW(CFISH_ERR, \"Bad callback to '%%s': %%i32\",\n"
" meth_name, (int32_t)count);\n"
" }\n"
" FREETMPS;\n"
" LEAVE;\n"
"}\n"
"\n"
"static CFISH_INLINE SV*\n"
"SI_do_callback_sv(pTHX_ const char *meth_name) {\n"
" int count = call_method(meth_name, G_SCALAR);\n"
" if (count != 1) {\n"
" CFISH_THROW(CFISH_ERR, \"Bad callback to '%%s': %%i32\",\n"
" meth_name, (int32_t)count);\n"
" }\n"
" dSP;\n"
" SV *return_sv = POPs;\n"
" PUTBACK;\n"
" return return_sv;\n"
"}\n"
"\n"
"static int64_t\n"
"S_finish_callback_i64(pTHX_ const char *meth_name) {\n"
" SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n"
" int64_t retval;\n"
" if (sizeof(IV) == 8) {\n"
" retval = (int64_t)SvIV(return_sv);\n"
" }\n"
" else {\n"
" if (SvIOK(return_sv)) {\n"
" // It's already no more than 32 bits, so don't convert.\n"
" retval = SvIV(return_sv);\n"
" }\n"
" else {\n"
" // Maybe lossy.\n"
" double temp = SvNV(return_sv);\n"
" retval = (int64_t)temp;\n"
" }\n"
" }\n"
" FREETMPS;\n"
" LEAVE;\n"
" return retval;\n"
"}\n"
"\n"
"static double\n"
"S_finish_callback_f64(pTHX_ const char *meth_name) {\n"
" SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n"
" double retval = SvNV(return_sv);\n"
" FREETMPS;\n"
" LEAVE;\n"
" return retval;\n"
"}\n"
"\n"
"static cfish_Obj*\n"
"S_finish_callback_obj(pTHX_ void *vself, const char *meth_name,\n"
" int nullable) {\n"
" SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n"
" cfish_Obj *retval\n"
" = XSBind_perl_to_cfish_nullable(aTHX_ return_sv, CFISH_OBJ);\n"
" FREETMPS;\n"
" LEAVE;\n"
" if (!nullable && !retval) {\n"
" CFISH_THROW(CFISH_ERR, \"%%o#%%s cannot return NULL\",\n"
" cfish_Obj_get_class_name((cfish_Obj*)vself),\n"
" meth_name);\n"
" }\n"
" return retval;\n"
"}\n"
"\n"
"%s"
"\n"
"void\n"
"%sbootstrap_perl() {\n"
" dTHX;\n"
" %sbootstrap_parcel();\n"
"\n"
"%s"
"}\n"
"\n"
"%s";
char *content
= CFCUtil_sprintf(pattern, self->c_header, privacy_sym, prefix,
includes, cb_defs, prefix, prefix, alias_adds,
self->c_footer);
const char *src_dest = CFCHierarchy_get_source_dest(self->hierarchy);
char *host_c_path = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sperl.c", src_dest,
prefix);
CFCUtil_write_file(host_c_path, content, strlen(content));
FREEMEM(host_c_path);
FREEMEM(content);
FREEMEM(alias_adds);
FREEMEM(cb_defs);
FREEMEM(includes);
FREEMEM(ordered);
}
void
CFCBindFile_write_h(CFCFile *file, const char *dest, const char *header,
const char *footer) {
CFCUTIL_NULL_CHECK(file);
CFCUTIL_NULL_CHECK(dest);
CFCUTIL_NULL_CHECK(header);
CFCUTIL_NULL_CHECK(footer);
// Make directories.
char *h_path = CFCFile_h_path(file, dest);
char *h_dir = CFCUtil_strdup(h_path);
for (size_t len = strlen(h_dir); len--;) {
if (h_dir[len] == CHY_DIR_SEP_CHAR) {
h_dir[len] = 0;
break;
}
}
if (!CFCUtil_is_dir(h_dir)) {
CFCUtil_make_path(h_dir);
if (!CFCUtil_is_dir(h_dir)) {
CFCUtil_die("Can't make path %s", h_dir);
}
}
FREEMEM(h_dir);
// Create the include-guard strings.
const char *include_guard_start = CFCFile_guard_start(file);
const char *include_guard_close = CFCFile_guard_close(file);
// Aggregate block content.
char *content = CFCUtil_strdup("");
CFCBase **blocks = CFCFile_blocks(file);
for (int i = 0; blocks[i] != NULL; i++) {
const char *cfc_class = CFCBase_get_cfc_class(blocks[i]);
if (strcmp(cfc_class, "Clownfish::CFC::Model::Parcel") == 0) {
CFCParcel *parcel = (CFCParcel*)blocks[i];
const char *prefix = CFCParcel_get_prefix(parcel);
content = CFCUtil_cat(content, "#include \"", prefix,
"parcel.h\"\n\n", NULL);
}
else if (strcmp(cfc_class, "Clownfish::CFC::Model::Class") == 0) {
CFCBindClass *class_binding
= CFCBindClass_new((CFCClass*)blocks[i]);
char *c_header = CFCBindClass_to_c_header(class_binding);
content = CFCUtil_cat(content, c_header, "\n", NULL);
FREEMEM(c_header);
CFCBase_decref((CFCBase*)class_binding);
}
else if (strcmp(cfc_class, "Clownfish::CFC::Model::CBlock") == 0) {
const char *block_contents
= CFCCBlock_get_contents((CFCCBlock*)blocks[i]);
content = CFCUtil_cat(content, block_contents, "\n", NULL);
}
else {
CFCUtil_die("Unexpected class: %s", cfc_class);
}
}
char pattern[] =
"%s\n"
"\n"
"%s\n"
"\n"
"#ifdef __cplusplus\n"
"extern \"C\" {\n"
"#endif\n"
"\n"
"%s\n"
"\n"
"#ifdef __cplusplus\n"
"}\n"
"#endif\n"
"\n"
"%s\n"
"\n"
"%s\n"
"\n";
char *file_content
= CFCUtil_sprintf(pattern, header, include_guard_start, content,
include_guard_close, footer);
// Unlink then write file.
remove(h_path);
CFCUtil_write_file(h_path, file_content, strlen(file_content));
FREEMEM(content);
FREEMEM(file_content);
FREEMEM(h_path);
}
static void
S_write_boot_c(CFCPerl *self) {
CFCClass **ordered = CFCHierarchy_ordered_classes(self->hierarchy);
CFCParcel **parcels = CFCParcel_all_parcels();
char *pound_includes = CFCUtil_strdup("");
char *bootstrap_code = CFCUtil_strdup("");
char *alias_adds = CFCUtil_strdup("");
char *isa_pushes = CFCUtil_strdup("");
for (size_t i = 0; parcels[i]; ++i) {
if (!CFCParcel_included(parcels[i])) {
const char *prefix = CFCParcel_get_prefix(parcels[i]);
bootstrap_code = CFCUtil_cat(bootstrap_code, " ", prefix,
"bootstrap_parcel();\n", NULL);
}
}
for (size_t i = 0; ordered[i] != NULL; i++) {
CFCClass *klass = ordered[i];
if (CFCClass_included(klass)) { continue; }
const char *class_name = CFCClass_get_class_name(klass);
const char *include_h = CFCClass_include_h(klass);
pound_includes = CFCUtil_cat(pound_includes, "#include \"",
include_h, "\"\n", NULL);
if (CFCClass_inert(klass)) { continue; }
// Add aliases for selected KinoSearch classes which allow old indexes
// to be read.
CFCPerlClass *class_binding = CFCPerlClass_singleton(class_name);
if (class_binding) {
const char *vtable_var = CFCClass_full_vtable_var(klass);
const char **aliases
= CFCPerlClass_get_class_aliases(class_binding);
for (size_t j = 0; aliases[j] != NULL; j++) {
const char *alias = aliases[j];
size_t alias_len = strlen(alias);
const char pattern[] =
" cfish_VTable_add_alias_to_registry("
"%s, \"%s\", %u);\n";
char *alias_add
= CFCUtil_sprintf(pattern, vtable_var, alias,
(unsigned)alias_len);
alias_adds = CFCUtil_cat(alias_adds, alias_add, NULL);
FREEMEM(alias_add);
}
char *metadata_code
= CFCPerlClass_method_metadata_code(class_binding);
alias_adds = CFCUtil_cat(alias_adds, metadata_code, NULL);
FREEMEM(metadata_code);
}
CFCClass *parent = CFCClass_get_parent(klass);
if (parent) {
const char *parent_class_name = CFCClass_get_class_name(parent);
isa_pushes
= CFCUtil_cat(isa_pushes, " isa = get_av(\"",
class_name, "::ISA\", 1);\n", NULL);
isa_pushes
= CFCUtil_cat(isa_pushes, " av_push(isa, newSVpv(\"",
parent_class_name, "\", 0));\n", NULL);
}
}
const char pattern[] =
"%s\n"
"\n"
"#include \"cfish_parcel.h\"\n"
"#include \"EXTERN.h\"\n"
"#include \"perl.h\"\n"
"#include \"XSUB.h\"\n"
"#include \"boot.h\"\n"
"#include \"Clownfish/String.h\"\n"
"#include \"Clownfish/VTable.h\"\n"
"%s\n"
"\n"
"void\n"
"%s() {\n"
"%s"
"\n"
"%s"
"\n"
" AV *isa;\n"
"%s"
"}\n"
"\n"
"%s\n"
"\n";
char *content
= CFCUtil_sprintf(pattern, self->header, pound_includes,
self->boot_func, bootstrap_code, alias_adds,
isa_pushes, self->footer);
const char *src_dest = CFCHierarchy_get_source_dest(self->hierarchy);
char *boot_c_path = CFCUtil_sprintf("%s" CHY_DIR_SEP "boot.c", src_dest);
CFCUtil_write_file(boot_c_path, content, strlen(content));
FREEMEM(boot_c_path);
FREEMEM(content);
FREEMEM(isa_pushes);
FREEMEM(alias_adds);
FREEMEM(bootstrap_code);
FREEMEM(pound_includes);
FREEMEM(parcels);
FREEMEM(ordered);
}
