X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-psi;a=blobdiff_plain;f=src%2Fcontext_validate.c;h=56d7b2ea43eab6caad086c2cdd1dea03be010b09;hp=12befca821bf12da20baf7319a618622206961de;hb=8b652242a4ef920f2ab82bfb822596de25bc5a63;hpb=ef5079cd02c9d8666f6b9336853d2ab393e33467

diff --git a/src/context_validate.c b/src/context_validate.c
index 12befca..56d7b2e 100644
--- a/src/context_validate.c
+++ b/src/context_validate.c
@@ -1,4 +1,4 @@
-	#ifdef HAVE_CONFIG_H
+#ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
 
@@ -154,6 +154,9 @@ static inline int validate_decl_typedef(PSI_Data *data, decl_arg *def) {
 			def->var->name);
 		return 0;
 	}
+	if (def->type->type == PSI_T_VOID && def->var->pointer_level) {
+		def->type->type = PSI_T_POINTER;
+	}
 	return 1;
 }
 
@@ -201,22 +204,31 @@ static inline void psi_sort_struct_args(void **args, size_t count) {
 			psi_sort_struct_arg_cmp, psi_sort_struct_arg_swp);
 }
 
-static inline int validate_decl_struct_darg(PSI_Data *data, decl_arg *darg) {
+static inline int validate_decl_struct_darg(PSI_Data *data, decl_arg *darg, void *current) {
 	decl_type *real = real_decl_type(darg->type);
 
 	/* pre-validate any structs/unions/enums */
 	switch (real->type) {
 	case PSI_T_STRUCT:
+		if (current && current == real->strct) {
+			return 1;
+		}
 		if (!validate_decl_struct(data, real->strct)) {
 			return 0;
 		}
 		break;
 	case PSI_T_UNION:
+		if (current && current == real->unn) {
+			return 1;
+		}
 		if (!validate_decl_union(data, real->unn)) {
 			return 0;
 		}
 		break;
 	case PSI_T_ENUM:
+		if (current && current == real->enm) {
+			return 1;
+		}
 		if (!validate_decl_enum(data, real->enm)) {
 			return 0;
 		}
@@ -253,30 +265,81 @@ static inline size_t sizeof_decl_arg(decl_arg *darg) {
 		}
 	}
 
+	ZEND_ASSERT(size);
+
 	return size;
 }
 
-static inline size_t align_decl_arg(decl_arg *darg, size_t *pos, size_t *len) {
+static inline size_t alignof_decl_type(decl_type *t);
+static inline size_t alignof_decl_arg(decl_arg *darg);
+static inline size_t alignof_decl_union(decl_union *u);
+static inline size_t alignof_decl_struct(decl_struct *s);
+
+static inline size_t alignof_decl_args(decl_args *args) {
+	size_t i, maxalign = 0;
+
+	for (i = 0; i < args->count; ++i) {
+		decl_arg *darg = args->args[i];
+		size_t align = alignof_decl_arg(darg);
+
+		if (align > maxalign) {
+			maxalign = align;
+		}
+	}
+
+	return maxalign;
+}
+
+static inline size_t alignof_decl_struct(decl_struct *s) {
+	if (!s->align) {
+		s->align = alignof_decl_args(s->args);
+	}
+	return s->align;
+}
+
+static inline size_t alignof_decl_union(decl_union *u) {
+	if (!u->align) {
+		u->align = alignof_decl_args(u->args);
+	}
+	return u->align;
+}
+
+static inline size_t alignof_decl_type(decl_type *t) {
+	decl_type *real = real_decl_type(t);
+	size_t align;
+
+	switch (real->type) {
+	case PSI_T_STRUCT:
+		align = alignof_decl_struct(real->strct);
+		break;
+	case PSI_T_UNION:
+		align = alignof_decl_union(real->unn);
+		break;
+	case PSI_T_ENUM:
+	default:
+		align = psi_t_alignment(real->type);
+	}
+
+	return align;
+}
+
+static inline size_t alignof_decl_arg(decl_arg *darg) {
 	size_t align;
 
 	if (darg->var->pointer_level && (!darg->var->array_size || darg->var->pointer_level > 2)) {
 		align = psi_t_alignment(PSI_T_POINTER);
 	} else {
-		decl_type *real = real_decl_type(darg->type);
-
-		switch (real->type) {
-		case PSI_T_STRUCT:
-			align = real->strct->align;
-			break;
-		case PSI_T_UNION:
-			align = real->unn->align;
-			break;
-		default:
-			align = psi_t_alignment(real->type);
-			break;
-		}
+		align = alignof_decl_type(darg->type);
 	}
 
+	return align;
+}
+
+static inline size_t align_decl_arg(decl_arg *darg, size_t *pos, size_t *len) {
+	size_t align = alignof_decl_arg(darg);
+
+	ZEND_ASSERT(align);
+
 	*len = sizeof_decl_arg(darg);
 	*pos = psi_align(align, *pos);
 
@@ -303,7 +366,9 @@ static inline int validate_decl_struct(PSI_Data *data, decl_struct *s) {
 		ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
 		darg->var->arg = darg;
 
-		if (darg->layout) {
+		if (!validate_decl_struct_darg(data, darg, s)) {
+			return 0;
+		} else if (darg->layout) {
 			pos = darg->layout->pos;
 
 			align = align_decl_arg(darg, &pos, &len);
@@ -312,20 +377,16 @@ static inline int validate_decl_struct(PSI_Data *data, decl_struct *s) {
 				data->error(data, darg->token, PSI_WARNING,
 						"Computed size %zu of %s.%s does not match"
 						" pre-defined size %zu of type '%s'",
-						darg->layout->len, s->name, darg->var->name, len,
+						len, s->name, darg->var->name, darg->layout->len,
 						darg->type->name);
-				return 0;
 			}
 			if (darg->layout->pos != pos) {
 				data->error(data, darg->token, PSI_WARNING,
 						"Computed offset %zu of %s.%s does not match"
 						" pre-defined offset %zu",
-						darg->layout->len, s->name, darg->var->name, len);
-				return 0;
+						pos, s->name, darg->var->name, darg->layout->pos);
 			}
-		} else if (!validate_decl_struct_darg(data, darg)) {
-			return 0;
-		} else {
+		} else  {
 			if (i) {
 				pos = s->args->args[i-1]->layout->pos +
 						s->args->args[i-1]->layout->len;
@@ -357,7 +418,7 @@ static inline int validate_decl_struct(PSI_Data *data, decl_struct *s) {
 }
 
 static inline int validate_decl_union(PSI_Data *data, decl_union *u) {
-	size_t i, pos, len, size, align;
+	size_t i, pos, len, size = 0, align;
 
 	if (!u->size && !u->args->count) {
 		data->error(data, u->token, PSI_WARNING,
@@ -376,27 +437,26 @@ static inline int validate_decl_union(PSI_Data *data, decl_union *u) {
 		ZEND_ASSERT(!darg->var->arg || darg->var->arg == darg);
 		darg->var->arg = darg;
 
-		if (darg->layout) {
+		if (!validate_decl_struct_darg(data, darg, u)) {
+			return 0;
+		} else if (darg->layout) {
 			pos = darg->layout->pos;
 
 			align = align_decl_arg(darg, &pos, &len);
 
 			if (darg->layout->pos != 0) {
 				data->error(data, darg->token, PSI_WARNING,
-						"Offset of %s.%s must be 0",
+						"Offset of %s.%s should be 0",
 						u->name, darg->var->name);
-				return 0;
+				darg->layout->pos = 0;
 			}
 			if (darg->layout->len != len) {
 				data->error(data, darg->token, PSI_WARNING,
 						"Computed size %zu of %s.%s does not match"
 						" pre-defined size %zu of type '%s'",
-						darg->layout->len, u->name, darg->var->name, size,
+						len, u->name, darg->var->name, darg->layout->len,
 						darg->type->name);
-				return 0;
 			}
-		} else if (!validate_decl_struct_darg(data, darg)) {
-			return 0;
 		} else {
 			pos = 0;
 
@@ -661,7 +721,6 @@ static inline int validate_set_value_handler(set_value *set) {
 		if (set->outer.set && set->outer.set->func->type == PSI_T_TO_ARRAY) {
 			set->func->handler = psi_to_recursive;
 			set->inner = set->outer.set->inner;
-			set->count = set->outer.set->count;
 			break;
 		}
 		/* no break */
@@ -706,7 +765,7 @@ static inline int validate_set_value_ex(PSI_Data *data, set_value *set, decl_arg
 	}
 	ref_type = real_decl_type(ref->type);
 
-	if (set->count) {
+	if (set->inner && set->inner->count) {
 		int is_to_array = (set->func->type == PSI_T_TO_ARRAY);
 		int is_pointer_to_struct = (ref_type->type == PSI_T_STRUCT && ref->var->pointer_level);
 
@@ -724,21 +783,21 @@ static inline int validate_set_value_ex(PSI_Data *data, set_value *set, decl_arg
 
 	if (ref_type->type == PSI_T_STRUCT) {
 		/* to_array(struct, to_...) */
-		if (!set->outer.set || set->outer.set->inner != set->inner) {
-			for (i = 0; i < set->count; ++i) {
-				decl_var *sub_var = set->inner[i]->vars->vars[0];
+		if (!set->outer.set || set->outer.set->inner->vals != set->inner->vals) {
+			for (i = 0; i < set->inner->count; ++i) {
+				decl_var *sub_var = set->inner->vals[i]->vars->vars[0];
 				decl_arg *sub_ref = locate_struct_member(ref_type->strct, sub_var);
 
 				if (sub_ref) {
-					if (!validate_set_value_ex(data, set->inner[i], sub_ref, ref_type->strct->args)) {
+					if (!validate_set_value_ex(data, set->inner->vals[i], sub_ref, ref_type->strct->args)) {
 						return 0;
 					}
 				}
 			}
 		}
-	} else if (set->count == 1) {
+	} else if (set->inner && set->inner->count == 1) {
 		/* to_array(ptr, to_string(*ptr)) */
-		decl_var *sub_var = set->inner[0]->vars->vars[0];
+		decl_var *sub_var = set->inner->vals[0]->vars->vars[0];
 		decl_arg *sub_ref = locate_decl_var_arg(sub_var, ref_list, ref);
 
 		if (sub_ref) {
@@ -746,11 +805,11 @@ static inline int validate_set_value_ex(PSI_Data *data, set_value *set, decl_arg
 				data->error(data, sub_var->token, E_WARNING, "Inner `set` statement casts on pointers must reference the same variable");
 				return 0;
 			}
-			if (!validate_set_value_ex(data, set->inner[0], sub_ref, ref_list)) {
+			if (!validate_set_value_ex(data, set->inner->vals[0], sub_ref, ref_list)) {
 				return 0;
 			}
 		}
-	} else if (set->count > 1) {
+	} else if (set->inner && set->inner->count > 1) {
 		data->error(data, set->func->token, E_WARNING, "Inner `set` statement casts on pointers may only occur once");
 		return 0;
 	}
@@ -823,6 +882,52 @@ static inline int validate_impl_ret_stmt(PSI_Data *data, impl *impl) {
 	return 1;
 }
 
+static inline int validate_let_func(PSI_Data *data, let_func *func, impl *impl) {
+	int check = 0;
+	size_t j;
+
+	if (impl->func->args) {
+		for (j = 0; j < impl->func->args->count; ++j) {
+			impl_arg *iarg = impl->func->args->args[j];
+
+			if (!strcmp(func->var->name, iarg->var->name)) {
+				func->arg = iarg;
+				check = 1;
+				break;
+			}
+		}
+	}
+	if (!check) {
+		data->error(data, func->var->token, PSI_WARNING, "Unknown value '$%s' of `let` statement"
+				" for cast '%s' of implementation '%s'",
+				func->var->name, func->name, impl->func->name);
+		return 0;
+	}
+	return 1;
+}
+
+static inline int validate_let_callback(PSI_Data *data, decl_var *let_var, let_callback *cb, impl *impl) {
+	decl_type *cb_type;
+	decl *cb_func;
+	size_t i;
+
+	if (!validate_let_func(data, cb->func, impl)) {
+		return 0;
+	}
+
+	cb_type = real_decl_type(let_var->arg->type);
+	if (cb_type->type != PSI_T_FUNCTION) {
+		data->error(data, let_var->token, PSI_WARNING, "Not a function: %s", let_var->name);
+		return 0;
+	}
+	cb_func = cb_type->func;
+	for (i = 0; i < cb->args->count; ++i) {
+		if (!validate_set_value(data, cb->args->vals[i], cb_func->args->count, cb_func->args->args, 0)) {
+			return 0;
+		}
+	}
+}
+
 static inline int validate_impl_let_stmts(PSI_Data *data, impl *impl) {
 	size_t i, j;
 	/* we can have multiple let stmts */
@@ -874,22 +979,13 @@ static inline int validate_impl_let_stmts(PSI_Data *data, impl *impl) {
 				return 0;
 			}
 			break;
-		case PSI_LET_FUNC:
-			if (impl->func->args) {
-				for (j = 0; j < impl->func->args->count; ++j) {
-					impl_arg *iarg = impl->func->args->args[j];
-
-					if (!strcmp(let->val->data.func->var->name, iarg->var->name)) {
-						let->val->data.func->arg = iarg;
-						check = 1;
-						break;
-					}
-				}
+		case PSI_LET_CALLBACK:
+			if (!validate_let_callback(data, let->var, let->val->data.callback, impl)) {
+				return 0;
 			}
-			if (!check) {
-				data->error(data, let->var->token, PSI_WARNING, "Unknown value '$%s' of `let` statement"
-						" for variable '%s' of implementation '%s'",
-						let->val->data.func->var->name, let->var->name, impl->func->name);
+			break;
+		case PSI_LET_FUNC:
+			if (!validate_let_func(data, let->val->data.func, impl)) {
 				return 0;
 			}
 			break;
@@ -1119,6 +1215,7 @@ int PSI_ContextValidate(PSI_Context *C, PSI_Parser *P)
 	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 silent = C->flags & PSI_PARSER_SILENT;
 
@@ -1142,6 +1239,7 @@ int PSI_ContextValidate(PSI_Context *C, PSI_Parser *P)
 	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;
@@ -1160,6 +1258,13 @@ int PSI_ContextValidate(PSI_Context *C, PSI_Parser *P)
 				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]);
@@ -1170,6 +1275,7 @@ int PSI_ContextValidate(PSI_Context *C, PSI_Parser *P)
 
 		REVALIDATE(defs);
 		REVALIDATE(structs);
+		REVALIDATE(unions);
 		REVALIDATE(enums);
 
 		if (check_round == 0 && !silent) {