X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fcontext.c;h=b7ae46f3ae68deffce6465b94069416a3949549f;hp=49391305879892bfc33399d34ab0a4c0be77f4ec;hb=3fa287dfd76814b2ec54991c0208a019845a3dc0;hpb=7e5e4c6d2b654cfd3737c37e9e1894be43642721

diff --git a/src/context.c b/src/context.c
index 4939130..b7ae46f 100644
--- a/src/context.c
+++ b/src/context.c
@@ -1,24 +1,203 @@
-#include <sys/param.h>
-#include <dirent.h>
-#include <fnmatch.h>
-#include <errno.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#else
+# include "php_config.h"
+#endif
+
+#include "php_psi_stdinc.h"
 
 #include "php.h"
+
+#ifdef HAVE_DIRENT_H
+# include <dirent.h>
+# define NAMLEN(dirent) strlen ((dirent)->d_name)
+#else
+# define dirent direct
+# define NAMLEN(dirent) ((dirent)->d_namlen)
+# ifdef HAVE_SYS_NDIR_H
+#  include <sys/ndir.h>
+# endif
+# ifdef HAVE_SYS_DIR_H
+#  include <sys/dir.h>
+# endif
+# ifdef HAVE_NDIR_H
+#  include <ndir.h>
+# endif
+#endif
+
+#include <fnmatch.h>
+
 #include "php_scandir.h"
-#include "context.h"
+#include "php_psi.h"
+#include "calc.h"
+#include "libjit.h"
+#include "libffi.h"
+
+#include "token.h"
 #include "parser.h"
-#include "validator.h"
 
-PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error)
+#include "php_psi_types.h"
+#include "php_psi_consts.h"
+#include "php_psi_decls.h"
+#include "php_psi_va_decls.h"
+#include "php_psi_fn_decls.h"
+#include "php_psi_structs.h"
+#include "php_psi_unions.h"
+
+struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_ops *ops, psi_error_cb error, unsigned flags)
 {
+	struct psi_data T;
+	struct psi_predef_type *predef_type;
+	struct psi_predef_const *predef_const;
+	struct psi_predef_struct *predef_struct;
+	struct psi_predef_union *predef_union;
+	struct psi_predef_decl *predef_decl;
+
 	if (!C) {
 		C = malloc(sizeof(*C));
 	}
 	memset(C, 0, sizeof(*C));
 
 	C->error = error;
+	C->flags = flags;
 	C->ops = ops;
-	ops->init(C);
+
+	if (ops->init) {
+		ops->init(C);
+	}
+
+	ZEND_ASSERT(ops->call != NULL);
+	ZEND_ASSERT(ops->compile != NULL);
+
+	/* build up predefs in a temporary PSI_Data for validation */
+	memset(&T, 0, sizeof(T));
+	T.error = error;
+
+	for (predef_type = &psi_predef_types[0]; predef_type->type_tag; ++predef_type) {
+		decl_type *type = init_decl_type(predef_type->type_tag, predef_type->type_name);
+		decl_var *var = init_decl_var(predef_type->alias, 0, 0); /* FIXME: indirection */
+		decl_arg *def = init_decl_arg(type, var);
+
+		T.defs = add_decl_typedef(T.defs, def);
+	}
+	for (predef_const = &psi_predef_consts[0]; predef_const->type_tag; ++predef_const) {
+		impl_def_val *val = init_impl_def_val(predef_const->val_type_tag, predef_const->val_text);
+		const_type *type = init_const_type(predef_const->type_tag, predef_const->type_name);
+		constant *constant = init_constant(type, predef_const->var_name, val);
+
+		T.consts = add_constant(T.consts, constant);
+	}
+	for (predef_struct = &psi_predef_structs[0]; predef_struct->type_tag; ++predef_struct) {
+		struct psi_predef_struct *member;
+		decl_args *dargs = init_decl_args(NULL);
+		decl_struct *dstruct = init_decl_struct(predef_struct->var_name, dargs);
+
+		dstruct->size = predef_struct->size;
+		dstruct->align = predef_struct->offset;
+		for (member = &predef_struct[1]; member->type_tag; ++member) {
+			decl_type *type;
+			decl_var *dvar;
+			decl_arg *darg;
+
+			type = init_decl_type(member->type_tag, member->type_name);
+			dvar = init_decl_var(member->var_name, member->pointer_level, member->array_size);
+			darg = init_decl_arg(type, dvar);
+			darg->layout = init_decl_struct_layout(member->offset, member->size);
+			dargs = add_decl_arg(dargs, darg);
+		}
+
+		T.structs = add_decl_struct(T.structs, dstruct);
+		predef_struct = member;
+	}
+	for (predef_union = &psi_predef_unions[0]; predef_union->type_tag; ++predef_union) {
+		struct psi_predef_union *member;
+		decl_args *dargs = init_decl_args(NULL);
+		decl_union *dunion = init_decl_union(predef_union->var_name, dargs);
+
+		dunion->size = predef_union->size;
+		dunion->align = predef_union->offset;
+		for (member = &predef_union[1]; member->type_tag; ++member) {
+			decl_type *type;
+			decl_var *dvar;
+			decl_arg *darg;
+
+			type = init_decl_type(member->type_tag, member->type_name);
+			dvar = init_decl_var(member->var_name, member->pointer_level, member->array_size);
+			darg = init_decl_arg(type, dvar);
+			darg->layout = init_decl_struct_layout(member->offset, member->size);
+			dargs = add_decl_arg(dargs, darg);
+		}
+
+		T.unions = add_decl_union(T.unions, dunion);
+		predef_union = member;
+	}
+	for (predef_decl = &psi_predef_decls[0]; predef_decl->type_tag; ++predef_decl) {
+		struct psi_predef_decl *farg;
+		decl_type *ftype = init_decl_type(predef_decl->type_tag, predef_decl->type_name);
+		decl_var *fname = init_decl_var(predef_decl->var_name, predef_decl->pointer_level, predef_decl->array_size);
+		decl_arg *func = init_decl_arg(ftype, fname);
+		decl_args *args = init_decl_args(NULL);
+		decl *decl = init_decl(init_decl_abi("default"), func, args);
+
+		for (farg = &predef_decl[1]; farg->type_tag; ++farg) {
+			decl_type *arg_type = init_decl_type(farg->type_tag, farg->type_name);
+			decl_var *arg_var = init_decl_var(farg->var_name, farg->pointer_level, farg->array_size);
+			decl_arg *darg = init_decl_arg(arg_type, arg_var);
+			args = add_decl_arg(args, darg);
+		}
+
+		T.decls = add_decl(T.decls, decl);
+		predef_decl = farg;
+	}
+
+	for (predef_decl = &psi_predef_vararg_decls[0]; predef_decl->type_tag; ++predef_decl) {
+		struct psi_predef_decl *farg;
+		decl_type *ftype = init_decl_type(predef_decl->type_tag, predef_decl->type_name);
+		decl_var *fname = init_decl_var(predef_decl->var_name, predef_decl->pointer_level, predef_decl->array_size);
+		decl_arg *func = init_decl_arg(ftype, fname);
+		decl_args *args = init_decl_args(NULL);
+		decl *decl = init_decl(init_decl_abi("default"), func, args);
+
+		for (farg = &predef_decl[1]; farg->type_tag; ++farg) {
+			decl_type *arg_type = init_decl_type(farg->type_tag, farg->type_name);
+			decl_var *arg_var = init_decl_var(farg->var_name, farg->pointer_level, farg->array_size);
+			decl_arg *darg = init_decl_arg(arg_type, arg_var);
+			args = add_decl_arg(args, darg);
+		}
+		args->varargs = 1;
+
+		T.decls = add_decl(T.decls, decl);
+		predef_decl = farg;
+	}
+
+	for (predef_decl = &psi_predef_functor_decls[0]; predef_decl->type_tag; ++predef_decl) {
+		struct psi_predef_decl *farg;
+		decl_type *dtype, *ftype = init_decl_type(predef_decl->type_tag, predef_decl->type_name);
+		decl_var *fname = init_decl_var(predef_decl->var_name, predef_decl->pointer_level, predef_decl->array_size);
+		decl_arg *tdef, *func = init_decl_arg(ftype, fname);
+		decl_args *args = init_decl_args(NULL);
+		decl *decl = init_decl(init_decl_abi("default"), func, args);
+
+		for (farg = &predef_decl[1]; farg->type_tag; ++farg) {
+			decl_type *arg_type = init_decl_type(farg->type_tag, farg->type_name);
+			decl_var *arg_var = init_decl_var(farg->var_name, farg->pointer_level, farg->array_size);
+			decl_arg *darg = init_decl_arg(arg_type, arg_var);
+			args = add_decl_arg(args, darg);
+		}
+
+		dtype = init_decl_type(PSI_T_FUNCTION, fname->name);
+		dtype->real.func = decl;
+		tdef = init_decl_arg(dtype, copy_decl_var(fname));
+		T.defs = add_decl_typedef(T.defs, tdef);
+
+		predef_decl = farg;
+	}
+
+	psi_context_validate_data(PSI_DATA(C), &T);
+
+	C->count = 1;
+	C->data = malloc(sizeof(*C->data));
+	psi_data_exchange(C->data, &T);
 
 	return C;
 }
@@ -31,74 +210,80 @@ static int psi_select_dirent(const struct dirent *entry)
 	return 0 == fnmatch("*.psi", entry->d_name, FNM_CASEFOLD);
 }
 
-
-void PSI_ContextBuild(PSI_Context *C, const char *path)
+void psi_context_build(struct psi_context *C, const char *paths)
 {
 	int i, n;
-	struct dirent **entries = NULL;
-
-	n = php_scandir(path, &entries, psi_select_dirent, alphasort);
+	char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
+	struct dirent **entries;
 
-	if (n < 0) {
-		return;
-	} else for (i = 0; i < n; ++i) {
-		char psi[MAXPATHLEN];
-		PSI_Parser P;
-		PSI_Validator V;
+	do {
+		sep = strchr(ptr, ':');
 
-		if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", path, entries[i]->d_name)) {
-			C->error(PSI_WARNING, "Path to PSI file too long: %s/%s",
-				path, entries[i]->d_name);
-		}
-		if (!PSI_ParserInit(&P, psi, C->error, 0)) {
-			C->error(PSI_WARNING, "Failed to init PSI parser (%s): %s",
-				psi, strerror(errno));
-			continue;
+		if (sep) {
+			*sep = 0;
 		}
 
-		while (-1 != PSI_ParserScan(&P)) {
-			PSI_ParserParse(&P, PSI_TokenAlloc(&P));
-		};
-		PSI_ParserParse(&P, NULL);
+		entries = NULL;
+		n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
 
-		if (!PSI_ValidatorInit(&V, &P)) {
-			C->error(PSI_WARNING, "Failed to init PSI validator");
-			break;
-		}
-		PSI_ParserDtor(&P);
+		if (n > 0) {
+			for (i = 0; i < n; ++i) {
+				char psi[MAXPATHLEN];
+				struct psi_parser P;
+
+				if (MAXPATHLEN <= slprintf(psi, MAXPATHLEN, "%s/%s", ptr, entries[i]->d_name)) {
+					C->error(C, NULL, PSI_WARNING, "Path to PSI file too long: %s/%s",
+						ptr, entries[i]->d_name);
+				}
+				if (!psi_parser_init(&P, psi, C->error, C->flags)) {
+					C->error(C, NULL, PSI_WARNING, "Failed to init PSI parser (%s): %s",
+						psi, strerror(errno));
+					continue;
+				}
 
-		if (PSI_ValidatorValidate(&V)) {
-			zend_function_entry *closures;
+				while (0 < psi_parser_scan(&P)) {
+					psi_parser_parse(&P, psi_token_alloc(&P));
+					if (P.num == PSI_T_EOF) {
+						break;
+					}
+				}
 
-			closures = PSI_ContextCompile(C, (PSI_Data *) &V);
-			if (closures && SUCCESS != zend_register_functions(NULL, closures, NULL, MODULE_PERSISTENT)) {
-				C->error(PSI_WARNING, "Failed to register functions!");
+				psi_parser_parse(&P, NULL);
+				psi_context_validate(C, &P);
+				psi_parser_dtor(&P);
 			}
 		}
-		PSI_ValidatorDtor(&V);
-	}
-	if (entries) {
-		for (i = 0; i < n; ++i) {
-			free(entries[i]);
+
+		if (entries) {
+			for (i = 0; i < n; ++i) {
+				free(entries[i]);
+			}
+			free(entries);
 		}
-		free(entries);
+
+		ptr = sep + 1;
+	} while (sep);
+
+
+	if (psi_context_compile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
+		C->error(C, NULL, PSI_WARNING, "Failed to register functions!");
 	}
 
+	free(cpy);
+
 }
 
-zend_function_entry *PSI_ContextCompile(PSI_Context *C, PSI_Data *D)
+zend_function_entry *psi_context_compile(struct psi_context *C)
 {
-	size_t i, count = C->count++;
-	zend_function_entry *zfe;
+	size_t i;
+	zend_constant zc;
 
-	if (D->consts) {
-		zend_constant zc;
+	zc.flags = CONST_PERSISTENT|CONST_CS;
+	zc.module_number = EG(current_module)->module_number;
 
-		zc.flags = CONST_PERSISTENT|CONST_CS;
-		zc.module_number = EG(current_module)->module_number;
-
-		for (i = 0; i < D->consts->count; ++i) {
-			constant *c = D->consts->list[i];
+	if (C->consts) {
+		for (i = 0; i < C->consts->count; ++i) {
+			constant *c = C->consts->list[i];
 
 			zc.name = zend_string_init(c->name + (c->name[0] == '\\'), strlen(c->name) - (c->name[0] == '\\'), 1);
 			ZVAL_NEW_STR(&zc.value, zend_string_init(c->val->text, strlen(c->val->text), 1));
@@ -113,46 +298,380 @@ zend_function_entry *PSI_ContextCompile(PSI_Context *C, PSI_Data *D)
 			case PSI_T_FLOAT:
 				convert_to_double(&zc.value);
 				break;
+			case PSI_T_STRING:
+			case PSI_T_QUOTED_STRING:
+				break;
+			default:
+				assert(0);
 			}
 			zend_register_constant(&zc);
 		}
 	}
+	if (C->enums) {
+		for (i = 0; i < C->enums->count; ++i) {
+			decl_enum *e = C->enums->list[i];
+			size_t j;
 
-	C->data = realloc(C->data, C->count * sizeof(*C->data));
-	PSI_DataExchange(&C->data[count], D);
+			for (j = 0; j < e->items->count; ++j) {
+				decl_enum_item *i = e->items->list[j];
+				zend_string *name = strpprintf(0, "psi\\%s\\%s", e->name, i->name);
+
+				zc.name = zend_string_dup(name, 1);
+				ZVAL_LONG(&zc.value, psi_long_num_exp(i->num, NULL));
+				zend_register_constant(&zc);
+				zend_string_release(name);
+			}
+		}
+	}
 
-	zfe = C->ops->compile(C, &C->data[count]);
+	return C->closures = C->ops->compile(C);
+}
 
-	C->closures = realloc(C->closures, C->count * sizeof(*C->closures));
-	C->closures[count] = zfe;
 
-	return zfe;
+void psi_context_call(struct psi_context *C, struct decl_callinfo *decl_call, struct impl_vararg *va)
+{
+	C->ops->call(C, decl_call, va);
 }
 
-void PSI_ContextDtor(PSI_Context *C)
+
+void psi_context_dtor(struct psi_context *C)
 {
 	size_t i;
+	zend_function_entry *zfe;
+
+	if (C->ops->dtor) {
+		C->ops->dtor(C);
+	}
 
-	C->ops->dtor(C);
+	free_decl_libs(&C->psi.libs);
 
-	for (i = 0; i < C->count; ++i) {
-		PSI_DataDtor(&C->data[i]);
-		if (C->closures[i]){
-			free(C->closures[i]);
+	if (C->data) {
+		for (i = 0; i < C->count; ++i) {
+			psi_data_dtor(&C->data[i]);
 		}
+		free(C->data);
+	}
+
+	if (C->closures) {
+		for (zfe = C->closures; zfe->fname; ++zfe) {
+			free((void *) zfe->arg_info);
+		}
+		free(C->closures);
+	}
+
+	if (C->consts) {
+		if (C->consts->list) {
+			free(C->consts->list);
+		}
+		free(C->consts);
+	}
+	if (C->defs) {
+		if (C->defs->list) {
+			free(C->defs->list);
+		}
+		free(C->defs);
+	}
+	if (C->structs) {
+		if (C->structs->list) {
+			free(C->structs->list);
+		}
+		free(C->structs);
+	}
+	if (C->unions) {
+		if (C->unions->list) {
+			free(C->unions->list);
+		}
+		free(C->unions);
+	}
+	if (C->enums) {
+		if (C->enums->list) {
+			free(C->enums->list);
+		}
+		free(C->enums);
+	}
+	if (C->decls) {
+		if (C->decls->list) {
+			free(C->decls->list);
+		}
+		free(C->decls);
+	}
+	if (C->impls) {
+		if (C->impls->list) {
+			free(C->impls->list);
+		}
+		free(C->impls);
 	}
-	free(C->data);
-	free(C->closures);
 
 	memset(C, 0, sizeof(*C));
 }
 
-void PSI_ContextFree(PSI_Context **C)
+void psi_context_free(struct psi_context **C)
 {
 	if (*C) {
-		PSI_ContextDtor(*C);
+		psi_context_dtor(*C);
 		free(*C);
 		*C = NULL;
 	}
 }
 
+int psi_context_validate(struct psi_context *C, struct psi_parser *P)
+{
+	struct psi_data *D;
+	void *dlopened = NULL;
+	size_t i, count = C->count++, check_round, check_count;
+	decl_typedefs *check_defs = P->defs;
+	decl_structs *check_structs = P->structs;
+	decl_unions *check_unions = P->unions;
+	decl_enums *check_enums = P->enums;
+	unsigned flags = C->flags;
+
+	C->data = realloc(C->data, C->count * sizeof(*C->data));
+	D = psi_data_exchange(&C->data[count], PSI_DATA(P));
+
+#define REVALIDATE(what) do { \
+		if (check_round && check_ ##what) { \
+			free(check_ ##what->list); \
+			free(check_ ##what); \
+		} \
+		check_ ##what = recheck_ ##what; \
+} while (0)
+#define CHECK_TOTAL (CHECK_COUNT(defs) + CHECK_COUNT(structs) + CHECK_COUNT(enums))
+#define CHECK_COUNT(of) (check_ ##of ? check_ ##of->count : 0)
+
+	if (!(flags & PSI_PARSER_SILENT)) {
+		/* no warnings on first round */
+		C->flags |= PSI_PARSER_SILENT;
+	}
+	for (check_round = 0, check_count = 0; CHECK_TOTAL && check_count != CHECK_TOTAL; ++check_round) {
+		decl_typedefs *recheck_defs = NULL;
+		decl_structs *recheck_structs = NULL;
+		decl_unions *recheck_unions = NULL;
+		decl_enums *recheck_enums = NULL;
+
+		check_count = CHECK_TOTAL;
+
+		for (i = 0; i < CHECK_COUNT(defs); ++i) {
+			if (validate_decl_typedef(PSI_DATA(C), check_defs->list[i])) {
+				C->defs = add_decl_typedef(C->defs, check_defs->list[i]);
+			} else {
+				recheck_defs = add_decl_typedef(recheck_defs, check_defs->list[i]);
+			}
+		}
+		for (i = 0; i < CHECK_COUNT(structs); ++i) {
+			if (validate_decl_struct(PSI_DATA(C), check_structs->list[i])) {
+				C->structs = add_decl_struct(C->structs, check_structs->list[i]);
+			} else {
+				recheck_structs = add_decl_struct(recheck_structs, check_structs->list[i]);
+			}
+		}
+		for (i = 0; i < CHECK_COUNT(unions); ++i) {
+			if (validate_decl_union(PSI_DATA(C), check_unions->list[i])) {
+				C->unions = add_decl_union(C->unions, check_unions->list[i]);
+			} else {
+				recheck_unions = add_decl_union(recheck_unions, check_unions->list[i]);
+			}
+		}
+		for (i = 0; i < CHECK_COUNT(enums); ++i) {
+			if (validate_decl_enum(PSI_DATA(C), check_enums->list[i])) {
+				C->enums = add_decl_enum(C->enums, check_enums->list[i]);
+			} else {
+				recheck_enums = add_decl_enum(recheck_enums, check_enums->list[i]);
+			}
+		}
+
+		REVALIDATE(defs);
+		REVALIDATE(structs);
+		REVALIDATE(unions);
+		REVALIDATE(enums);
+
+		if (check_round == 0 && !(flags & PSI_PARSER_SILENT)) {
+			C->flags ^= PSI_PARSER_SILENT;
+		}
+	}
+
+	C->flags = flags;
+
+	if (D->consts) {
+		for (i = 0; i < D->consts->count; ++i) {
+			if (validate_constant(PSI_DATA(C), D->consts->list[i])) {
+				C->consts = add_constant(C->consts, D->consts->list[i]);
+			}
+		}
+	}
+
+	if (!validate_file(D, &dlopened)) {
+		return 0;
+	}
+
+	add_decl_lib(&C->psi.libs, dlopened);
+
+	if (D->decls) {
+		for (i = 0; i < D->decls->count; ++i) {
+			if (validate_decl(PSI_DATA(C), dlopened, D->decls->list[i])) {
+				C->decls = add_decl(C->decls, D->decls->list[i]);
+			}
+		}
+	}
+	if (D->impls) {
+		for (i = 0; i < D->impls->count; ++i) {
+			if (validate_impl(PSI_DATA(C), D->impls->list[i])) {
+				C->impls = add_impl(C->impls, D->impls->list[i]);
+			}
+		}
+	}
+
+	return 1;
+}
+
+int psi_context_validate_data(struct psi_data *dest, struct psi_data *source)
+{
+	size_t i;
+	int errors = 0;
+
+	if (source->defs) for (i = 0; i < source->defs->count; ++i) {
+		decl_arg *def = source->defs->list[i];
+
+		if (validate_decl_typedef(source, def)) {
+			if (dest) {
+				dest->defs = add_decl_typedef(dest->defs, def);
+			}
+		} else {
+			++errors;
+		}
+	}
+
+	if (source->consts) for (i = 0; i < source->consts->count; ++i) {
+		constant *constant = source->consts->list[i];
+
+		if (validate_constant(source, constant)) {
+			if (dest) {
+				dest->consts = add_constant(dest->consts, constant);
+			}
+		} else {
+			++errors;
+		}
+	}
+
+	if (source->structs) for (i = 0; i < source->structs->count; ++i) {
+		decl_struct *dstruct = source->structs->list[i];
+
+		if (validate_decl_struct(source, dstruct)) {
+			if (dest) {
+				dest->structs = add_decl_struct(dest->structs, dstruct);
+			}
+		} else {
+			++errors;
+		}
+	}
+
+	if (source->unions) for (i = 0; i < source->unions->count; ++i) {
+		decl_union *dunion = source->unions->list[i];
+
+		if (validate_decl_union(source, dunion)) {
+			if (dest) {
+				dest->unions = add_decl_union(dest->unions, dunion);
+			}
+		} else {
+			++errors;
+		}
+	}
+
+	if (source->enums) for (i = 0; i < source->enums->count; ++i) {
+		decl_enum *denum = source->enums->list[i];
+
+		if (validate_decl_enum(source, denum)) {
+			if (dest) {
+				dest->enums = add_decl_enum(dest->enums, denum);
+			}
+		} else {
+			++errors;
+		}
+	}
+
+	if (source->decls) for (i = 0; i < source->decls->count; ++i) {
+		decl *decl = source->decls->list[i];
+
+		if (validate_decl(source, NULL, decl)) {
+			if (dest) {
+				dest->decls = add_decl(dest->decls, decl);
+			}
+		} else {
+			++errors;
+		}
+	}
+
+	if (source->impls) for (i = 0; i < source->impls->count; ++i) {
+		impl *impl = source->impls->list[i];
+
+		if (validate_impl(source, impl)) {
+			if (dest) {
+				dest->impls = add_impl(dest->impls, impl);
+			}
+		} else {
+			++errors;
+		}
+	}
+
+	return errors;
+}
+
+static inline void dump_data(int fd, struct psi_data *D) {
+	if (D->psi.file.fn) {
+		dprintf(fd, "// psi.filename=%s\n", D->psi.file.fn);
+		if (D->psi.file.ln) {
+			dprintf(fd, "lib \"%s\";\n", D->psi.file.ln);
+		}
+	} else {
+		dprintf(fd, "// builtin predef\n");
+	}
+	if (D->defs) {
+		dump_decl_typedefs(fd, D->defs);
+		dprintf(fd, "\n");
+	}
+	if (D->unions) {
+		dump_decl_unions(fd, D->unions);
+		dprintf(fd, "\n");
+	}
+	if (D->structs) {
+		dump_decl_structs(fd, D->structs);
+		dprintf(fd, "\n");
+	}
+	if (D->enums) {
+		dump_decl_enums(fd, D->enums);
+		dprintf(fd, "\n");
+	}
+	if (D->consts) {
+		dump_constants(fd, D->consts);
+		dprintf(fd, "\n");
+	}
+	if (D->decls) {
+		dump_decls(fd, D->decls);
+		dprintf(fd, "\n");
+	}
+	if (D->impls) {
+		dump_impls(fd, D->impls);
+		dprintf(fd, "\n");
+	}
+}
+
+void psi_context_dump(struct psi_context *C, int fd)
+{
+	size_t i;
+
+#ifdef HAVE_LIBJIT
+	if (C->ops == psi_libjit_ops()) {
+		dprintf(fd, "// psi.engine=jit\n");
+	}
+#endif
+#ifdef HAVE_LIBFFI
+	if (C->ops == psi_libffi_ops()) {
+		dprintf(fd, "// psi.engine=ffi\n");
+	}
+#endif
+	dprintf(fd, "\n");
+
+	for (i = 0; i < C->count; ++i) {
+		dump_data(fd, &C->data[i]);
+	}
+
+}