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//
// utility functions for modules
//
/*!
* Given a list of file tags, returns the file tag (one of [c, cpp, objc, objcpp])
* corresponding to the C-family language the file should be compiled as.
*
* If no such tag is found, undefined is returned. If more than one match is
* found, an exception is thrown.
*/
function fileTagForTargetLanguage(fileTags)
{
var srcTags = ["c", "cpp", "objc", "objcpp"];
var pchTags = ["c_pch", "cpp_pch", "objc_pch", "objcpp_pch"];
var canonicalTag = undefined;
var foundTagCount = 0;
for (var i = 0; i < fileTags.length; ++i) {
var idx = srcTags.indexOf(fileTags[i]);
if (idx === -1)
idx = pchTags.indexOf(fileTags[i]);
if (idx !== -1) {
canonicalTag = srcTags[idx];
if (++foundTagCount > 1)
break;
}
}
if (foundTagCount > 1)
throw ("source files cannot be identified as more than one language");
return foundTagCount == 1 ? canonicalTag : undefined;
}
/*
* Returns the name of a language-specific property given the file tag
* for that property, and the base property name.
*
* If \a fileTag is undefined, the language-agnostic property name is returned.
*
* \param propertyName flags, platformFlags, precompiledHeader
* \param fileTag c, cpp, objc, objcpp
*/
function languagePropertyName(propertyName, fileTag)
{
if (!fileTag)
fileTag = 'common';
var map = {
'c': {
'flags': 'cFlags',
'platformFlags': 'platformCFlags',
'precompiledHeader': 'cPrecompiledHeader'
},
'cpp': {
'flags': 'cxxFlags',
'platformFlags': 'platformCxxFlags',
'precompiledHeader': 'cxxPrecompiledHeader'
},
'objc': {
'flags': 'objcFlags',
'platformFlags': 'platformObjcFlags',
'precompiledHeader': 'objcPrecompiledHeader'
},
'objcpp': {
'flags': 'objcxxFlags',
'platformFlags': 'platformObjcxxFlags',
'precompiledHeader': 'objcxxPrecompiledHeader'
},
'common': {
'flags': 'commonCompilerFlags',
'platformFlags': 'platformCommonCompilerFlags',
'precompiledHeader': 'precompiledHeader'
}
};
var lang = map[fileTag];
if (!lang)
return propertyName;
return lang[propertyName] || propertyName;
}
function moduleProperties(config, key, langFilter)
{
return config.moduleProperties(config.moduleName, languagePropertyName(key, langFilter))
}
function modulePropertiesFromArtifacts(product, artifacts, moduleName, propertyName, langFilter)
{
var result = product.moduleProperties(moduleName, languagePropertyName(propertyName, langFilter))
for (var i in artifacts)
result = result.concat(artifacts[i].moduleProperties(moduleName, languagePropertyName(propertyName, langFilter)))
return result
}
function moduleProperty(product, propertyName, langFilter)
{
return product.moduleProperty(product.moduleName, languagePropertyName(propertyName, langFilter))
}
function dumpProperty(key, value, level)
{
var indent = ''
for (var k=0; k < level; ++k)
indent += ' '
print(indent + key + ': ' + value)
}
function traverseObject(obj, func, level)
{
if (!level)
level = 0
var i, children = {}
for (i in obj) {
if (typeof(obj[i]) === "object" && !(obj[i] instanceof Array))
children[i] = obj[i]
else
func.apply(this, [i, obj[i], level])
}
level++
for (i in children) {
func.apply(this, [i, children[i], level - 1])
traverseObject(children[i], func, level)
}
level--
}
function dumpObject(obj, description)
{
if (!description)
description = 'object dump'
print('+++++++++ ' + description + ' +++++++++')
traverseObject(obj, dumpProperty)
}
function uniqueConcat(array1, array2)
{
var result = array1;
for (i in array2) {
var elem = array2[i];
if (result.indexOf(elem) === -1)
result.push(elem);
}
return result;
}
//////////////////////////////////////////////////////////
// The EnvironmentVariable class
//
function EnvironmentVariable(name, separator, convertPathSeparators)
{
if (!name)
throw "EnvironmentVariable c'tor needs a name as first argument."
this.name = name
this.value = getenv(name).toString()
this.separator = separator || ''
this.convertPathSeparators = convertPathSeparators || false
}
EnvironmentVariable.prototype.prepend = function(v)
{
if (this.value.length > 0 && this.value.charAt(0) !== this.separator)
this.value = this.separator + this.value
if (this.convertPathSeparators)
v = FileInfo.toWindowsSeparators(v)
this.value = v + this.value
}
EnvironmentVariable.prototype.append = function(v)
{
if (this.value.length > 0)
this.value += this.separator
if (this.convertPathSeparators)
v = FileInfo.toWindowsSeparators(v)
this.value += v
}
EnvironmentVariable.prototype.set = function()
{
putenv(this.name, this.value)
}
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