Example #1
0
File: parser.c Project: palmerc/lab
int function_definition(void) {
	if( declaration_specifiers() ) {
		declarator();
		
		if( declaration_list() ) {
		}
	} else if ( declarator() ) {
		if(	declaration_list() ) {
		}
	} else {
		abort();
	}
	compound_statement();
}
//program::={<declaration_list><statement_list>}
int program()
{
	int es = 0, i;
	fscanf(fp, "%s %s\n", token, token1);
	printf("%s %s\n", token, token1);
	if (strcmp(token, "{"))//判断是否'{'
	{
		es = 1;
		return(es);
	}
	fscanf(fp, "%s %s\n", &token, &token1);
	printf("%s %s\n", token, token1);
	es = declaration_list();
	if (es > 0) return(es);
	printf("     符号表\n");
	printf("     名字       地址\n");
	for (i = 0; i<vartablep; i++)
		printf("      %s   %d\n", vartable[i].name, vartable[i].address);
	es = statement_list();
	if (es>0) return(es);
	if (strcmp(token, "}"))//判断是否'}'
	{
		es = 2;
		return(es);
	}
	fprintf(fout, "        STOP\n");//产生停止指令
	return(es);
}
Example #3
0
File: parser.c Project: palmerc/lab
int declaration_list(void) {
	if( declaration() ) {
	} else if( declaration_list() ) {
		declaration();
	} else {
		abort();
	}
}
Example #4
0
TOKEN declaration_list(SYMBOL s)
{
    TOKEN dec_list = declaration(s);
    if( dec_list != NULL)
    {
        //FIXME this might be a bug, but I'm not sure yet
        set_token_link(dec_list, declaration_list(s));
    }
    return dec_list;
}
Example #5
0
/* construct the parse tree. */
TreeNode * parse (void)
{ TreeNode * t;
  token = getToken();
  t = declaration_list();

  while (token == COMMENT) unexpectedTokenHandling();
  if (token != ENDFILE)
    syntaxError ("Code ends before file\n");

  return t;
}
Example #6
0
File: parser.c Project: palmerc/lab
int compound_statement(void) {
	match(LCURLY);
	if( statement_list() ) {
	} else if( declaration_list() ) {
		if( statement_list() ) {
		}
	} else {
		abort();
	}
	match(RCURLY);
}