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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Build Suite.
**
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
****************************************************************************/
import qbs 1.0
import qbs.FileInfo
import qbs.Probes
import qbs.TextFile
import "flexoptionsreader.js" as FlexOptionsReader
Project {
Product {
name: "genlexer"
type: "application"
Depends { name: "cpp" }
Group {
files: ["numbers.l"]
fileTags: ["flex"]
}
Probes.PathProbe {
id: flexProbe
names: ["flex"]
platformPaths: ["/usr/local/bin", "/usr/bin", "/bin"]
}
property bool isFlexAvailable: flexProbe.found
Rule {
inputs: ["flex"]
outputFileTags: ["c", "hpp"]
outputArtifacts: {
var options = FlexOptionsReader.readFlexOptions(input.filePath);
var sourceFileName = options["outfile"] || "lex.yy.c";
var headerFileName = options["header-file"];
var result = [{
filePath: "GeneratedFiles/" + product.name + "/" + sourceFileName,
fileTags: ["c"]
}];
if (headerFileName) {
result.push({
filePath: "GeneratedFiles/" + product.name + "/" + headerFileName,
fileTags: ["hpp"]
});
}
return result;
}
prepare: {
var cmd;
if (product.isFlexAvailable) {
// flex is available. Let's call it.
cmd = new Command("flex", [input.filePath]);
cmd.workingDirectory = product.buildDirectory + "/GeneratedFiles/" + product.name;
} else {
// No flex available here, generate some C source and header.
cmd = new JavaScriptCommand();
cmd.sourceFileName = outputs["c"][0].filePath;
cmd.headerFileName = outputs["hpp"] ? outputs["hpp"][0].filePath : "";
cmd.sourceCode = function() {
var fsrc = new TextFile(sourceFileName, TextFile.WriteOnly);
if (headerFileName) {
fsrc.write("#include \"" + FileInfo.fileName(headerFileName)
+ "\"\n\n");
var fhdr = new TextFile(headerFileName, TextFile.WriteOnly);
fhdr.write("// a rather empty header file\n");
fhdr.close();
}
fsrc.write("int main() { return 0; }\n");
fsrc.close();
};
}
cmd.description = "flexing " + FileInfo.fileName(input.filePath);
return cmd;
}
}
}
}
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