X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fcontext.c;h=7d353bed872cc5e8af756622a9b334a34a9e2f80;hp=83a1a28f34b03f26842d89708972ea4f73fdd007;hb=a6ffb2bfbf83ef3511cc356bd931d460feabe7a2;hpb=7e4c03791c729bce5ebe6226a72786191bc67f8f

diff --git a/src/context.c b/src/context.c
index 83a1a28..7d353be 100644
--- a/src/context.c
+++ b/src/context.c
@@ -57,6 +57,15 @@ static const psi_predef_struct psi_predef_structs[] = {
 };
 #define psi_predef_struct_count() psi_predef_count(_struct)
 
+typedef struct psi_predef_func {
+	const char *name;
+	void (*func)(void);
+} psi_predef_func;
+static psi_predef_func psi_predef_funcs[] = {
+	PHP_PSI_FUNCS{0}
+};
+#define psi_predef_func_count() psi_predef_count(_func)
+
 static int validate_lib(PSI_Data *data, void **dlopened) {
 	char lib[MAXPATHLEN];
 	const char *ptr = data->psi.file.ln;
@@ -169,7 +178,7 @@ static inline int validate_decl_struct(PSI_Data *data, decl_struct *s) {
 			return 0;
 		}
 
-		ZEND_ASSERT(!darg->var->arg);
+		ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
 		darg->var->arg = darg;
 
 		if (!darg->layout) {
@@ -230,8 +239,20 @@ static inline int validate_decl_func(PSI_Data *data, void *dl, decl *decl, decl_
 #endif
 	decl->dlptr = dlsym(dl ?: RTLD_NEXT, func->var->name);
 	if (!decl->dlptr) {
-		data->error(PSI_WARNING, "Failed to locate symbol '%s': %s",
-			func->var->name, dlerror());
+		size_t i;
+
+		for (i = 0; i < psi_predef_func_count(); ++i) {
+			psi_predef_func *pre = &psi_predef_funcs[i];
+
+			if (!strcmp(func->var->name, pre->name)) {
+				decl->dlptr = pre->func;
+				break;
+			}
+		}
+		if (!decl->dlptr) {
+			data->error(PSI_WARNING, "Failed to locate symbol '%s': %s",
+				func->var->name, dlerror());
+		}
 	}
 	return 1;
 }
@@ -255,18 +276,79 @@ static inline int validate_decl(PSI_Data *data, void *dl, decl *decl) {
 	return 1;
 }
 
+static inline decl_arg *locate_struct_member(decl_struct *s, decl_var *var) {
+	size_t i;
+
+	ZEND_ASSERT(s);
+	for (i = 0; i < s->args->count; ++i) {
+		decl_arg *darg = s->args->args[i];
+
+		if (!strcmp(var->name, darg->var->name)) {
+			return var->arg = darg;
+		}
+	}
+
+	return NULL;
+}
+static inline int validate_set_value(PSI_Data *data, set_value *set, decl_arg *ref) {
+	size_t i;
+	decl_type *ref_type = real_decl_type(ref->type);
+	decl_var *set_var = set->vars->vars[0];
+
+	switch (set->func->type) {
+	case PSI_T_TO_BOOL:
+		set->func->handler = psi_to_bool;
+		break;
+	case PSI_T_TO_INT:
+		set->func->handler = psi_to_int;
+		break;
+	case PSI_T_TO_FLOAT:
+		set->func->handler = psi_to_double;
+		break;
+	case PSI_T_TO_STRING:
+		set->func->handler = psi_to_string;
+		break;
+	case PSI_T_TO_ARRAY:
+		set->func->handler = psi_to_array;
+		break;
+	EMPTY_SWITCH_DEFAULT_CASE();
+	}
+
+	if (strcmp(set_var->name, ref->var->name)) {
+		return 0;
+	}
+
+	if (set->count && (set->func->type != PSI_T_TO_ARRAY || ref_type->type != PSI_T_STRUCT)) {
+		data->error(E_WARNING, "Inner `set` statement casts only work with to_array() casts on structs");
+		return 0;
+	}
+	for (i = 0; i < set->count; ++i) {
+		decl_var *sub_var = set->inner[i]->vars->vars[0];
+		decl_arg *sub_ref = locate_struct_member(ref_type->strct, sub_var);
+
+		if (sub_ref) {
+			if (!validate_set_value(data, set->inner[i], sub_ref)) {
+				return 0;
+			}
+		}
+	}
+
+	return 1;
+}
 static inline decl *locate_impl_decl(decls *decls, return_stmt *ret) {
 	size_t i;
 
 	for (i = 0; i < decls->count; ++i) {
-		if (!strcmp(decls->list[i]->func->var->name, ret->decl->name)) {
-			ret->decl->arg = decls->list[i]->func;
+		if (!strcmp(decls->list[i]->func->var->name, ret->set->vars->vars[0]->name)) {
+			ret->decl = decls->list[i]->func;
 			return decls->list[i];
 		}
 	}
 	return NULL;
 }
 static inline int validate_impl_ret_stmt(PSI_Data *data, impl *impl) {
+	return_stmt *ret;
+
 	/* we must have exactly one ret stmt delcaring the native func to call */
 	/* and which type cast to apply */
 	if (impl->stmts->ret.count != 1) {
@@ -280,11 +362,17 @@ static inline int validate_impl_ret_stmt(PSI_Data *data, impl *impl) {
 		}
 		return 0;
 	}
-	if (!(impl->decl = locate_impl_decl(data->decls, impl->stmts->ret.list[0]))) {
+
+	ret = impl->stmts->ret.list[0];
+
+	if (!(impl->decl = locate_impl_decl(data->decls, ret))) {
 		data->error(PSI_WARNING, "Missing declaration for implementation %s",
 				impl->func->name);
 		return 0;
 	}
+	if (!validate_set_value(data, ret->set, ret->decl)) {
+		return 0;
+	}
 
 	return 1;
 }
@@ -378,6 +466,9 @@ static inline int validate_impl_set_stmts(PSI_Data *data, impl *impl) {
 
 				if (!strcmp(set_var->name, set_arg->var->name)) {
 					check = 1;
+					if (!validate_set_value(data, set->val, set_arg)) {
+						return 0;
+					}
 					set_var->arg = set_arg;
 					break;
 				}