includes_finder_with_regexp.go

/*
 * This file is part of Arduino Builder.
 *
 * Arduino Builder is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * As a special exception, you may use this file as part of a free software
 * library without restriction.  Specifically, if other files instantiate
 * templates or use macros or inline functions from this file, or you compile
 * this file and link it with other files to produce an executable, this
 * file does not by itself cause the resulting executable to be covered by
 * the GNU General Public License.  This exception does not however
 * invalidate any other reasons why the executable file might be covered by
 * the GNU General Public License.
 *
 * Copyright 2015 Arduino LLC (http://www.arduino.cc/)
 */

package builder

import (
	"github.com/arduino/arduino-builder/types"
	"regexp"
	"strings"
)

var INCLUDE_REGEXP = regexp.MustCompile("(?ms)^\\s*#[ \t]*include\\s*[<\"](\\S+)[\">]")

func IncludesFinderWithRegExp(ctx *types.Context, source string) string {
	match := INCLUDE_REGEXP.FindStringSubmatch(source)
	if match != nil {
		return strings.TrimSpace(match[1])
	} else {
		return findIncludeForOldCompilers(source)
	}
}

func findIncludeForOldCompilers(source string) string {
	lines := strings.Split(source, "\n")
	for _, line := range lines {
		splittedLine := strings.Split(line, ":")
		for i, _ := range splittedLine {
			if strings.Contains(splittedLine[i], "fatal error") {
				return strings.TrimSpace(splittedLine[i+1])
			}
		}
	}
	return ""
}