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-rw-r--r--src/mds-kbdc/validate-tree.c73
1 files changed, 40 insertions, 33 deletions
diff --git a/src/mds-kbdc/validate-tree.c b/src/mds-kbdc/validate-tree.c
index 466f138..3c676eb 100644
--- a/src/mds-kbdc/validate-tree.c
+++ b/src/mds-kbdc/validate-tree.c
@@ -30,6 +30,11 @@
#define C(TYPE) MDS_KBDC_TREE_TYPE_##TYPE
/**
+ * Check the value of `innermost_visit`
+ */
+#define VISITING(TYPE) (innermost_visit == MDS_KBDC_TREE_TYPE_##TYPE)
+
+/**
* Add an error with “included from here”-notes to the error list
*
* @param NODE:const mds_kbdc_tree_t* The node the triggered the error
@@ -84,6 +89,13 @@ static mds_kbdc_tree_assumption_t* assumption = NULL;
*/
static size_t def_includes_ptr = 0;
+/**
+ * The type of the currently innermost visited node
+ * of `C(FUNCTION)`, `C(MACRO)`, `C(INFORMATION)` and
+ * `C(ASSUMPTION)`, -1 if none
+ */
+static int innermost_visit = -1;
+
/**
@@ -125,30 +137,25 @@ static int validate_include(mds_kbdc_tree_include_t* restrict tree)
static int validate_function(mds_kbdc_tree_function_t* restrict tree)
{
int r;
- if (function)
+ if (VISITING(FUNCTION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "nested function definition");
NEW_ERROR(function, def_includes_ptr, NOTE, "outer function defined here");
return 0;
}
- else if (macro)
+ else if (VISITING(MACRO))
{
NEW_ERROR(tree, includes_ptr, ERROR, "function definition inside macro definition");
NEW_ERROR(macro, def_includes_ptr, NOTE, "outer macro defined here");
return 0;
}
- else if (information)
+ else if (VISITING(INFORMATION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "function definition inside information clause");
NEW_ERROR(information, def_includes_ptr, NOTE, "outer information clause defined here");
return 0;
}
- else if (assumption)
- {
- NEW_ERROR(tree, includes_ptr, ERROR, "function definition inside assumption clause");
- NEW_ERROR(assumption, def_includes_ptr, NOTE, "outer assumption clause defined here");
- return 0;
- }
+ innermost_visit = tree->type;
function = tree;
def_includes_ptr = includes_ptr;
r = validate_subtree(tree->inner);
@@ -167,30 +174,25 @@ static int validate_function(mds_kbdc_tree_function_t* restrict tree)
static int validate_macro(mds_kbdc_tree_macro_t* restrict tree)
{
int r;
- if (function)
+ if (VISITING(FUNCTION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "macro definition inside function definition");
NEW_ERROR(function, def_includes_ptr, NOTE, "outer function definition defined here");
return 0;
}
- else if (macro)
+ else if (VISITING(MACRO))
{
NEW_ERROR(tree, includes_ptr, ERROR, "nested macro definition");
NEW_ERROR(macro, def_includes_ptr, NOTE, "outer macro defined here");
return 0;
}
- else if (information)
+ else if (VISITING(INFORMATION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "macro definition inside information clause");
NEW_ERROR(information, def_includes_ptr, NOTE, "outer information clause defined here");
return 0;
}
- else if (assumption)
- {
- NEW_ERROR(tree, includes_ptr, ERROR, "macro definition inside assumption clause");
- NEW_ERROR(assumption, def_includes_ptr, NOTE, "outer assumption clause defined here");
- return 0;
- }
+ innermost_visit = tree->type;
macro = tree;
def_includes_ptr = includes_ptr;
r = validate_subtree(tree->inner);
@@ -209,30 +211,31 @@ static int validate_macro(mds_kbdc_tree_macro_t* restrict tree)
static int validate_information(mds_kbdc_tree_information_t* restrict tree)
{
int r;
- if (function)
+ if (VISITING(FUNCTION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "information clause inside function definition");
NEW_ERROR(function, def_includes_ptr, NOTE, "outer function definition defined here");
return 0;
}
- else if (macro)
+ else if (VISITING(MACRO))
{
NEW_ERROR(tree, includes_ptr, ERROR, "information clause inside macro definition");
NEW_ERROR(macro, def_includes_ptr, NOTE, "outer macro defined here");
return 0;
}
- else if (information)
+ else if (VISITING(INFORMATION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "nested information clause");
NEW_ERROR(information, def_includes_ptr, NOTE, "outer information clause defined here");
return 0;
}
- else if (assumption)
+ else if (VISITING(ASSUMPTION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "information clause inside assumption clause");
NEW_ERROR(assumption, def_includes_ptr, NOTE, "outer assumption clause defined here");
return 0;
}
+ innermost_visit = tree->type;
information = tree;
def_includes_ptr = includes_ptr;
r = validate_subtree(tree->inner);
@@ -251,30 +254,31 @@ static int validate_information(mds_kbdc_tree_information_t* restrict tree)
static int validate_assumption(mds_kbdc_tree_assumption_t* restrict tree)
{
int r;
- if (function)
+ if (VISITING(FUNCTION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "assumption clause inside function definition");
NEW_ERROR(function, def_includes_ptr, NOTE, "outer function definition defined here");
return 0;
}
- else if (macro)
+ else if (VISITING(MACRO))
{
NEW_ERROR(tree, includes_ptr, ERROR, "assumption clause inside macro definition");
NEW_ERROR(macro, def_includes_ptr, NOTE, "outer macro defined here");
return 0;
}
- else if (information)
+ else if (VISITING(INFORMATION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "assumption clause inside information clause");
NEW_ERROR(information, def_includes_ptr, NOTE, "outer information clause defined here");
return 0;
}
- else if (assumption)
+ else if (VISITING(ASSUMPTION))
{
NEW_ERROR(tree, includes_ptr, ERROR, "nested assumption clause");
NEW_ERROR(assumption, def_includes_ptr, NOTE, "outer assumption clause defined here");
return 0;
}
+ innermost_visit = tree->type;
assumption = tree;
def_includes_ptr = includes_ptr;
r = validate_subtree(tree->inner);
@@ -300,11 +304,11 @@ static int validate_map(mds_kbdc_tree_map_t* restrict tree)
* at this process level, determine whether a
* value-statement is used correctly or not.
*/
- else if (information)
+ else if (VISITING(INFORMATION))
NEW_ERROR(tree, includes_ptr, ERROR, "mapping-statement inside information clause");
- else if (assumption)
+ else if (VISITING(ASSUMPTION))
NEW_ERROR(tree, includes_ptr, ERROR, "mapping-statement inside assumption clause");
- else if (function)
+ else if (VISITING(FUNCTION))
NEW_ERROR(tree, includes_ptr, ERROR, "mapping-statement inside function definition");
return 0;
fail:
@@ -320,11 +324,11 @@ static int validate_map(mds_kbdc_tree_map_t* restrict tree)
*/
static int validate_macro_call(mds_kbdc_tree_macro_call_t* restrict tree)
{
- if (information)
+ if (VISITING(INFORMATION))
NEW_ERROR(tree, includes_ptr, ERROR, "macro call inside information clause");
- else if (assumption)
+ else if (VISITING(ASSUMPTION))
NEW_ERROR(tree, includes_ptr, ERROR, "macro call inside assumption clause");
- else if (function)
+ else if (VISITING(FUNCTION))
NEW_ERROR(tree, includes_ptr, ERROR, "macro call inside function definition");
return 0;
fail:
@@ -454,6 +458,7 @@ static int validate_subtree(mds_kbdc_tree_t* restrict tree)
{
#define v(type) fail_if (validate_##type(&(tree->type)))
#define V(type) fail_if (validate_##type(&(tree->type##_)))
+ int old_innermost_visit = innermost_visit;
again:
if (tree == NULL)
return 0;
@@ -486,10 +491,11 @@ static int validate_subtree(mds_kbdc_tree_t* restrict tree)
break;
}
+ innermost_visit = old_innermost_visit;
tree = tree->next;
goto again;
fail:
- return -1;
+ return innermost_visit = old_innermost_visit, -1;
#undef V
#undef v
}
@@ -517,5 +523,6 @@ int validate_tree(mds_kbdc_parsed_t* restrict result_)
#undef NEW_ERROR
+#undef VISITING
#undef C
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-16 11:16:46 +0000