static void _parse_parent_child_nonterminal(){
ParserContext context;
Ast ast;
AstBuilder builder;
_build_child_rule_fsm(&fix.parser.fsm);
ast_init(&ast, NULL, &fix.parser.table);
ast_builder_init(&builder, &ast);
ast_builder_append_follow(&builder, &(Token){1, 1, 'a'});
ast_builder_append(&builder, &(Token){2, 1, 'b'});
ast_builder_append(&builder, &(Token){3, 1, 'c'});
ast_builder_done(&builder);
ast_builder_dispose(&builder);
parser_context_init(&context, &fix.parser);
parser_context_set_source_ast(&context, &ast);
int error = parser_context_execute(&context);
t_assert(!error);
parser_context_dispose(&context);
ast_dispose(&ast);
}
void _parser_basic_parse(){
ParserContext context;
Ast ast;
AstBuilder builder;
_build_simple_ab_fsm(&fix.parser.fsm);
ast_init(&ast, NULL, &fix.parser.table);
ast_builder_init(&builder, &ast);
ast_builder_append_follow(&builder, &(Token){1, 1, 'a'});
ast_builder_append(&builder, &(Token){2, 1, 'b'});
ast_builder_done(&builder);
ast_builder_dispose(&builder);
parser_context_init(&context, &fix.parser);
parser_context_set_source_ast(&context, &ast);
int error = parser_context_execute(&context);
t_assert(!error);
parser_context_dispose(&context);
ast_dispose(&ast);
}
static void _parse_sibling_with_children_test(){
ParserContext context;
Ast ast;
AstBuilder builder;
_build_siblings_with_children(&fix.parser.fsm);
ast_init(&ast, NULL, &fix.parser.table);
ast_builder_init(&builder, &ast);
ast_builder_append_follow(&builder, &(Token){1, 1, 'a'});
ast_builder_append(&builder, &(Token){2, 1, 'b'});
ast_builder_append(&builder, &(Token){3, 1, 'c'});
ast_builder_parent(&builder);
ast_builder_append_follow(&builder, &(Token){4, 1, 'd'});
ast_builder_append(&builder, &(Token){5, 1, 'e'});
ast_builder_append(&builder, &(Token){6, 1, 'f'});
ast_builder_done(&builder);
ast_builder_dispose(&builder);
parser_context_init(&context, &fix.parser);
parser_context_set_source_ast(&context, &ast);
int error = parser_context_execute(&context);
t_assert(!error);
parser_context_dispose(&context);
ast_dispose(&ast);
}
/* Thread for servicing connections */
static void *hypervisor_thread(void *arg)
{
hypervisor_conn_t *conn = arg;
char buffer[512],**tokens;
parser_context_t ctx;
int res;
tokens = NULL;
parser_context_init(&ctx);
while(conn->active) {
if (!fgets(buffer,sizeof(buffer),conn->in))
break;
if (!*buffer)
continue;
/* Tokenize command line */
res = parser_scan_buffer(&ctx,buffer,strlen(buffer));
if (res != 0) {
tokens = NULL;
if (ctx.error != 0) {
hypervisor_send_reply(conn,HSC_ERR_PARSING,1,"Parse error: %s",
parser_strerror(&ctx));
goto free_tokens;
}
if (ctx.tok_count < 2) {
hypervisor_send_reply(conn,HSC_ERR_PARSING,1,
"At least a module and a command "
"must be specified");
goto free_tokens;
}
/* Map token list to an array */
tokens = parser_map_array(&ctx);
if (!tokens) {
hypervisor_send_reply(conn,HSC_ERR_PARSING,1,"No memory");
goto free_tokens;
}
/* Execute command */
//m_log("hypervisor_exec","%s\n",buffer);
hypervisor_exec_cmd(conn,tokens[0],tokens[1],ctx.
tok_count-2,&tokens[2]);
free_tokens:
free(tokens);
tokens = NULL;
parser_context_free(&ctx);
}
}
free(tokens);
parser_context_free(&ctx);
return NULL;
}
/* Free memory used by a parser context */
void parser_context_free(parser_context_t *ctx)
{
parser_free_tokens(ctx->tok_head);
if (ctx->tmp_tok != NULL)
free(ctx->tmp_tok);
parser_context_init(ctx);
}