embark/lib/contracts/compiler.js

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let async = require('../utils/async_extend.js');
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class Compiler {
constructor(options) {
this.plugins = options.plugins;
this.logger = options.logger;
}
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compile_contracts(contractFiles, cb) {
const self = this;
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let available_compilers = {};
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if (contractFiles.length === 0) {
return cb(null, {});
}
let pluginCompilers = self.plugins.getPluginsProperty('compilers', 'compilers');
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pluginCompilers.forEach(function (compilerObject) {
available_compilers[compilerObject.extension] = compilerObject.cb;
});
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let compiledObject = {};
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async.eachObject(available_compilers,
function (extension, compiler, callback) {
let matchingFiles = contractFiles.filter(function (file) {
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let fileMatch = file.filename.match(/\.[0-9a-z]+$/);
if (fileMatch && (fileMatch[0] === extension)) {
file.compiled = true;
return true;
}
return false;
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});
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compiler.call(compiler, matchingFiles || [], function (err, compileResult) {
Object.assign(compiledObject, compileResult);
callback(err, compileResult);
});
},
function (err) {
contractFiles.forEach(file => {
if (!file.compiled) {
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self.logger.warn(__("%s doesn't have a compatible contract compiler. Maybe a plugin exists for it.", file.filename));
}
});
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cb(err, compiledObject);
}
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);
}
}
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module.exports = Compiler;