#include "../parser.h"
#include "ast.h"

#ifndef PROG_MAX_NODE_SIZE
#define PROG_MAX_NODE_SIZE (1024 * 4)
#endif

void parse_prog(struct Parser* parser) {
    /**
     * Program := (Declaration | Definition)*
     * same as
     * Program := Declaration* Definition*
     */
    int child_size = 0;
    parser->root = new_ast_node();
    struct ASTNode* node;
    parser->root->root.children = xmalloc(sizeof(struct ASTNode*) * PROG_MAX_NODE_SIZE);
    while (1) {
        flushpeektok(parser);
        if (peektoktype(parser) == TOKEN_EOF) {
            break;
        }
        node = parse_decl(parser);
        parser->root->root.children[child_size++] = node;
    }
    parser->root->type = NT_ROOT;
    parser->root->root.child_size = child_size;
    return;
}