moka/lib/node.c

#include "node.h"

MK_ENUM_C(NodeKind, NODE_KIND);

void node_init(struct node* self,
               NodeKind kind,
               struct token* token,
               int line)
{
    assert(self);
    self->kind = kind;
    self->token = token;
    vec_init(&self->children);
    self->line = line;
}

void node_free(struct node* self)
{
    assert(self);

    if (self->token)
    {
        token_free(self->token);
        free(self->token);
    }

    vec_free_elements(&self->children, (void*) node_free);
    vec_free(&self->children);
}

void node_str(struct node* self, struct str* str)
{
    assert(self);
    assert(str);

    str_format(str, "%s", NodeKindStr[self->kind] + strlen("NODE_"));

    if (self->token && self->token->value)
    {
        str_format(str, "[%s]", self->token->value);
    }

    if (self->children.size > 0)
    {
        str_push(str, '(');

        for (size_t i=0; i<self->children.size; i++)
        {
            if (i > 0)
            {
                str_push(str, ',');
            }

            struct str child_str;
            str_init(&child_str);

            node_str(self->children.data[i], &child_str);
            str_extend(str, child_str.value);
            str_free(&child_str);
        }

        str_push(str, ')');
    }
}

void node_add_new_child(struct node* self, struct node* child)
{
    assert(self);
    assert(child);
    vec_push(&self->children, child);
}