X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fcontext.c;h=b7ae46f3ae68deffce6465b94069416a3949549f;hp=8bd2deef155d1b20da822b217b65e686ed49cde0;hb=c9b3436bd51a4dcf7d6cc6817d4c7a8ad99538d4;hpb=ef5079cd02c9d8666f6b9336853d2ab393e33467

diff --git a/src/context.c b/src/context.c
index 8bd2dee..b7ae46f 100644
--- a/src/context.c
+++ b/src/context.c
@@ -1,7 +1,11 @@
 #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
@@ -23,26 +27,30 @@
 
 #include <fnmatch.h>
 
-#include "php.h"
 #include "php_scandir.h"
 #include "php_psi.h"
 #include "calc.h"
 #include "libjit.h"
 #include "libffi.h"
 
+#include "token.h"
+#include "parser.h"
+
 #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"
 
-
-PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErrorFunc error, unsigned flags)
+struct psi_context *psi_context_init(struct psi_context *C, struct psi_context_ops *ops, psi_error_cb error, unsigned flags)
 {
-	PSI_Data T;
+	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) {
@@ -85,6 +93,7 @@ PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErr
 		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;
@@ -100,6 +109,28 @@ PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErr
 		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);
@@ -139,11 +170,34 @@ PSI_Context *PSI_ContextInit(PSI_Context *C, PSI_ContextOps *ops, PSI_ContextErr
 		predef_decl = farg;
 	}
 
-	PSI_ContextValidateData(PSI_DATA(C), &T);
+	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_DataExchange(C->data, &T);
+	psi_data_exchange(C->data, &T);
 
 	return C;
 }
@@ -156,11 +210,11 @@ 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 *paths)
+void psi_context_build(struct psi_context *C, const char *paths)
 {
 	int i, n;
 	char *sep = NULL, *cpy = strdup(paths), *ptr = cpy;
-	struct dirent **entries = NULL;
+	struct dirent **entries;
 
 	do {
 		sep = strchr(ptr, ':');
@@ -169,33 +223,34 @@ void PSI_ContextBuild(PSI_Context *C, const char *paths)
 			*sep = 0;
 		}
 
+		entries = NULL;
 		n = php_scandir(ptr, &entries, psi_select_dirent, alphasort);
 
 		if (n > 0) {
 			for (i = 0; i < n; ++i) {
 				char psi[MAXPATHLEN];
-				PSI_Parser P;
+				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_ParserInit(&P, psi, C->error, C->flags)) {
+				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;
 				}
 
-				while (0 < PSI_ParserScan(&P)) {
-					PSI_ParserParse(&P, PSI_TokenAlloc(&P));
+				while (0 < psi_parser_scan(&P)) {
+					psi_parser_parse(&P, psi_token_alloc(&P));
 					if (P.num == PSI_T_EOF) {
 						break;
 					}
 				}
 
-				PSI_ParserParse(&P, NULL);
-				PSI_ContextValidate(C, &P);
-				PSI_ParserDtor(&P);
+				psi_parser_parse(&P, NULL);
+				psi_context_validate(C, &P);
+				psi_parser_dtor(&P);
 			}
 		}
 
@@ -210,7 +265,7 @@ void PSI_ContextBuild(PSI_Context *C, const char *paths)
 	} while (sep);
 
 
-	if (PSI_ContextCompile(C) && SUCCESS != zend_register_functions(NULL, C->closures, NULL, MODULE_PERSISTENT)) {
+	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!");
 	}
 
@@ -218,7 +273,7 @@ void PSI_ContextBuild(PSI_Context *C, const char *paths)
 
 }
 
-zend_function_entry *PSI_ContextCompile(PSI_Context *C)
+zend_function_entry *psi_context_compile(struct psi_context *C)
 {
 	size_t i;
 	zend_constant zc;
@@ -243,6 +298,11 @@ zend_function_entry *PSI_ContextCompile(PSI_Context *C)
 			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);
 		}
@@ -268,13 +328,13 @@ zend_function_entry *PSI_ContextCompile(PSI_Context *C)
 }
 
 
-void PSI_ContextCall(PSI_Context *C, decl_callinfo *decl_call, impl_vararg *va)
+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;
@@ -287,7 +347,7 @@ void PSI_ContextDtor(PSI_Context *C)
 
 	if (C->data) {
 		for (i = 0; i < C->count; ++i) {
-			PSI_DataDtor(&C->data[i]);
+			psi_data_dtor(&C->data[i]);
 		}
 		free(C->data);
 	}
@@ -317,6 +377,12 @@ void PSI_ContextDtor(PSI_Context *C)
 		}
 		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);
@@ -339,11 +405,273 @@ void PSI_ContextDtor(PSI_Context *C)
 	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]);
+	}
+
+}