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[grammar test] Labeled nodes and tag parameters.

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This commit is contained in:
Miguel Lechon
2021-02-16 19:35:24 +01:00
parent e2920e565b
commit 50d6f7cd64
2 changed files with 75 additions and 64 deletions
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tests/grammar.c
+62 -52
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@@ -137,7 +137,7 @@ static void PrintRule(MD_Node *rule)
typedef enum AllowedOperationFlags AllowedOperationFlags;
enum AllowedOperationFlags
{
AllowedOperationFlag_Leaf = 1<<0,
AllowedOperationFlag_Fill = 1<<0,
AllowedOperationFlag_Tag = 1<<1,
};
@@ -160,6 +160,45 @@ static void ExpandRule(MD_Node *rule, MD_String8List *out_strings, MD_Node *cur_
if(expand)
{
MD_Node *node_to_tag = 0;
MD_b32 is_markup = 0;
AllowedOperationFlags new_flags = 0;
for(MD_EachNode(tag_node, rule_element->first_tag)){
if(MD_StringMatch(tag_node->string, MD_S8Lit("child"), 0))
{
cur_node = NewChild(cur_node);
allowed &= ~AllowedOperationFlag_Tag; // NOTE(mal): Tag parameters are not tags
}
else if(MD_StringMatch(tag_node->string, MD_S8Lit("sibling"), 0))
{
cur_node = NewChild(cur_node->parent);
}
else if(MD_StringMatch(tag_node->string, MD_S8Lit("fill"), 0))
{
new_flags |= AllowedOperationFlag_Fill;
}
else if(MD_StringMatch(tag_node->string, MD_S8Lit("tag"), 0))
{
new_flags |= AllowedOperationFlag_Tag;
node_to_tag = cur_node;
cur_node = NewChild(0);
cur_node->kind = MD_NodeKind_Tag;
}
else if(MD_StringMatch(tag_node->string, MD_S8Lit(OPTIONAL_TAG), 0))
{
}
else if(MD_StringMatch(tag_node->string, MD_S8Lit("markup"), 0))
{
is_markup = 1;
}
else
{
MD_Assert(!"Not implemented");
}
}
allowed |= new_flags;
MD_b32 has_children = !MD_NodeIsNil(rule_element->first_child);
if(has_children)
{
@@ -186,18 +225,10 @@ static void ExpandRule(MD_Node *rule, MD_String8List *out_strings, MD_Node *cur_
MD_String8 character = MD_PushStringF("%c", c);
MD_PushStringToList(out_strings, character);
if(allowed & AllowedOperationFlag_Leaf)
if(allowed & (AllowedOperationFlag_Fill|AllowedOperationFlag_Tag))
{
Extend(&cur_node->whole_string, c);
if(!MD_NodeHasTag(rule_element, MD_S8Lit("delimiter")))
{
Extend(&cur_node->string, c);
}
}
else if(allowed & AllowedOperationFlag_Tag)
{
Extend(&cur_node->whole_string, c);
if(c != '@')
if(!is_markup)
{
Extend(&cur_node->string, c);
}
@@ -205,47 +236,20 @@ static void ExpandRule(MD_Node *rule, MD_String8List *out_strings, MD_Node *cur_
}
else // NOTE(mal): Non-terminal production
{
MD_Node *node_to_tag = 0;
if(MD_NodeHasTag(rule_element, MD_S8Lit("child")))
{
cur_node = NewChild(cur_node);
}
else if(MD_NodeHasTag(rule_element, MD_S8Lit("sibling")))
{
cur_node = NewChild(cur_node->parent);
}
else if(MD_NodeHasTag(rule_element, MD_S8Lit("leaf")))
{
allowed |= AllowedOperationFlag_Leaf;
}
else if(MD_NodeHasTag(rule_element, MD_S8Lit("tag")))
{
allowed |= AllowedOperationFlag_Tag;
node_to_tag = cur_node;
cur_node = NewChild(0);
cur_node->kind = MD_NodeKind_Tag;
}
MD_Node * production = MD_NodeTable_Lookup(globals.production_table, rule_element->string)->node;
MD_Assert(production);
ExpandProduction(production, out_strings, cur_node, allowed);
if(node_to_tag)
{
MD_PushTag(node_to_tag, cur_node);
cur_node = node_to_tag;
}
if(MD_NodeHasTag(rule_element, MD_S8Lit("leaf")))
{
allowed &= ~AllowedOperationFlag_Leaf;
}
else if(MD_NodeHasTag(rule_element, MD_S8Lit("tag")))
{
allowed &= ~AllowedOperationFlag_Tag;
}
}
}
if(node_to_tag)
{
MD_PushTag(node_to_tag, cur_node);
cur_node = node_to_tag;
}
allowed &= ~new_flags;
}
}
}
@@ -411,11 +415,15 @@ int main(int argument_count, char **arguments)
}
// NOTE(mal): Check for root production
MD_Node* file_production = MD_NodeTable_Lookup(globals.production_table, MD_S8Lit("file"))->node;
if(!file_production)
MD_Node* file_production = 0;
{
fprintf(stderr, "Error: Grammar file does not specify \"file\" production\n");
goto error;
MD_NodeTableSlot *file_production_slot = MD_NodeTable_Lookup(globals.production_table, MD_S8Lit("file"));
if(!file_production_slot)
{
fprintf(stderr, "Error: Grammar file does not specify \"file\" production\n");
goto error;
}
file_production = file_production_slot->node;
}
// NOTE(mal): Check that all branches lead to terminal nodes
@@ -442,9 +450,12 @@ int main(int argument_count, char **arguments)
MD_Node* node = MD_NodeTable_Lookup(globals.production_table, MD_S8Lit("file"))->node;
MD_u32 test_count = 1000;
for(int i = 0; i < test_count; ++i){
for(int i = 0; i < test_count; ++i)
{
MD_String8List expanded_list = {0};
//if(i == 25) BP;
// NOTE(mal): Generate a random MD file
MD_Node *file_control_node = NewChild(0);
file_control_node->kind = MD_NodeKind_File;
@@ -463,7 +474,6 @@ int main(int argument_count, char **arguments)
MD_OutputTree(stdout, file_node);
printf("Grammar:\n");
MD_OutputTree(stdout, file_control_node); printf("\n");
return -1;
}
}