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Add position fields to AST nodes (not populated yet) - #27

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josh committed 2024-07-19 14:34:50 -04:00
1 parent eae2e17f41
commit f4ae1b8601
3 files changed
+38 -10
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assets/parser.c.erb
+17 -4
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@@ -681,6 +681,14 @@ typedef struct
<% end %>
} state_value_t;
/** Common AST node structure. */
typedef struct
{
<%= @grammar.prefix %>position_t position;
<%= @grammar.prefix %>position_t end_position;
void * fields[];
} ASTNode;
/** Parser shift table. */
static const shift_t parser_shift_table[] = {
<% @parser.shift_table.each do |shift| %>
@@ -1000,22 +1008,27 @@ size_t <%= @grammar.prefix %>parse(<%= @grammar.prefix %>context_t * context)
}
else if (parser_reduce_table[reduce_index].n_states > 0)
{
void ** node_fields = calloc(parser_reduce_table[reduce_index].rule_set_node_field_array_size, sizeof(void *));
size_t n_fields = parser_reduce_table[reduce_index].rule_set_node_field_array_size;
ASTNode * node = (ASTNode *)malloc(sizeof(ASTNode) + n_fields * sizeof(void *));
for (size_t i = 0; i < n_fields; i++)
{
node->fields[i] = NULL;
}
if (parser_reduce_table[reduce_index].rule_set_node_field_index_map == NULL)
{
for (size_t i = 0; i < parser_reduce_table[reduce_index].n_states; i++)
{
node_fields[i] = state_values_stack_index(&statevalues, -(int)parser_reduce_table[reduce_index].n_states + (int)i)->ast_node;
node->fields[i] = state_values_stack_index(&statevalues, -(int)parser_reduce_table[reduce_index].n_states + (int)i)->ast_node;
}
}
else
{
for (size_t i = 0; i < parser_reduce_table[reduce_index].n_states; i++)
{
node_fields[parser_reduce_table[reduce_index].rule_set_node_field_index_map[i]] = state_values_stack_index(&statevalues, -(int)parser_reduce_table[reduce_index].n_states + (int)i)->ast_node;
node->fields[parser_reduce_table[reduce_index].rule_set_node_field_index_map[i]] = state_values_stack_index(&statevalues, -(int)parser_reduce_table[reduce_index].n_states + (int)i)->ast_node;
}
}
reduced_parser_node = node_fields;
reduced_parser_node = node;
}
else
{