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generateNativeCode.js
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167 lines (150 loc) · 6.84 KB
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const path = require("path");
const fse = require("fs-extra");
const os = require('os');
const exec = require('../../utils/execPromise');
const utils = require("./utils");
module.exports = function generateNativeCode() {
const combyne = require("combyne");
const js_beautify = require("js-beautify").js_beautify;
const beautify = function (input) {
return js_beautify(input, {
"brace_style": "end-expand",
"max_preserve_newlines": 2,
"preserve_newlines": true,
"indent_size": 2,
"indent_char": " "
});
};
// Customize the delimiters so as to not process `{{{` or `}}}`.
combyne.settings.delimiters = {
START_RAW: "{{=",
END_RAW: "=}}"
};
var partials = {
asyncFunction: utils.readLocalFile("templates/partials/async_function.cc"),
callbackHelpers: utils.readLocalFile("templates/partials/callback_helpers.cc"),
convertFromV8: utils.readLocalFile("templates/partials/convert_from_v8.cc"),
convertToV8: utils.readLocalFile("templates/partials/convert_to_v8.cc"),
doc: utils.readLocalFile("templates/partials/doc.cc"),
fields: utils.readLocalFile("templates/partials/fields.cc"),
guardArguments: utils.readLocalFile("templates/partials/guard_arguments.cc"),
syncFunction: utils.readLocalFile("templates/partials/sync_function.cc"),
fieldAccessors: utils.readLocalFile("templates/partials/field_accessors.cc"),
traits: utils.readLocalFile("templates/partials/traits.h")
};
var templates = {
class_content: utils.readLocalFile("templates/templates/class_content.cc"),
struct_content: utils.readLocalFile("templates/templates/struct_content.cc"),
class_header: utils.readLocalFile("templates/templates/class_header.h"),
struct_header: utils.readLocalFile("templates/templates/struct_header.h"),
binding: utils.readLocalFile("templates/templates/binding.gyp"),
nodegitCC: utils.readLocalFile("templates/templates/nodegit.cc"),
nodegitJS: utils.readLocalFile("templates/templates/nodegit.js"),
enums: utils.readLocalFile("templates/templates/enums.js")
};
var filters = {
and: require("../templates/filters/and"),
argsInfo: require("../templates/filters/args_info"),
cppToV8: require("../templates/filters/cpp_to_v8"),
defaultValue: require("../templates/filters/default_value"),
fieldsInfo: require("../templates/filters/fields_info"),
hasReturnType: require("../templates/filters/has_return_type"),
hasReturnValue: require("../templates/filters/has_return_value"),
isDoublePointer: require("../templates/filters/is_double_pointer"),
isFixedLengthString: require("../templates/filters/is_fixed_length_string"),
isOid: require("../templates/filters/is_oid"),
isPayload: require("../templates/filters/is_payload"),
isPointer: require("../templates/filters/is_pointer"),
isV8Value: require("../templates/filters/is_v8_value"),
jsArgsCount: require("../templates/filters/js_args_count"),
or: require("../templates/filters/or"),
payloadFor: require("../templates/filters/payload_for"),
replace: require("../templates/filters/replace"),
returnsCount: require("../templates/filters/returns_count"),
returnsInfo: require("../templates/filters/returns_info"),
subtract: require("../templates/filters/subtract"),
titleCase: require("../templates/filters/title_case"),
toBool: require('../templates/filters/to_bool'),
unPointer: require("../templates/filters/un_pointer"),
setUnsigned: require("../templates/filters/unsigned"),
upper: require("../templates/filters/upper")
};
// Convert Buffers to Combyne templates.
Object.keys(templates).forEach(function(template) {
templates[template] = combyne(templates[template]);
// Attach all filters to all templates.
Object.keys(filters).forEach(function(filter) {
templates[template].registerFilter(filter, filters[filter]);
});
});
// Attach all partials to select templates.
Object.keys(partials).forEach(function(partial) {
templates.class_header.registerPartial(partial, combyne(partials[partial]));
templates.class_content.registerPartial(partial, combyne(partials[partial]));
templates.struct_header.registerPartial(partial, combyne(partials[partial]));
templates.struct_content.registerPartial(partial, combyne(partials[partial]));
});
// Determine which definitions to actually include in the source code.
// This might not be needed anymore but to be frank I'm not totally positive
const idefs = require("../output/idefs");
var enabled = idefs.filter(function(idef) {
return !idef.ignore;
});
const tempDirPath = path.join(os.tmpdir(), 'nodegit_build');
const tempSrcDirPath = path.join(tempDirPath, "src");
const tempIncludeDirPath = path.join(tempDirPath, "include");
const finalSrcDirPath = path.join(__dirname, '../../src');
const finalIncludeDirPath = path.join(__dirname, '../../include');
fse.remove(tempDirPath).then(function() {
return fse.copy(path.resolve(__dirname, "../templates/manual/include"), tempIncludeDirPath);
}).then(function() {
return fse.copy(path.resolve(__dirname, "../templates/manual/src"), tempSrcDirPath);
}).then(function() {
// Write out single purpose templates.
utils.writeLocalFile("../binding.gyp", beautify(templates.binding.render(enabled)), "binding.gyp");
utils.writeFile(path.join(tempSrcDirPath, "nodegit.cc"), templates.nodegitCC.render(enabled), "nodegit.cc");
utils.writeLocalFile("../lib/nodegit.js", beautify(templates.nodegitJS.render(enabled)), "nodegit.js");
// Write out all the classes.
enabled.forEach(function(idef) {
if (idef.type && idef.type != "enum") {
utils.writeFile(
path.join(tempSrcDirPath, idef.filename + ".cc"),
templates[idef.type + "_content"].render(idef),
idef.type + "_content.cc"
);
utils.writeFile(
path.join(tempIncludeDirPath, idef.filename + ".h"),
templates[idef.type + "_header"].render(idef),
idef.type + "_header.h"
);
}
});
utils.writeLocalFile("../lib/enums.js", beautify(templates.enums.render(enabled)), "enums.js");
}).then(function() {
return exec("command -v astyle").then(function(astyle) {
if (astyle) {
return exec(
"astyle --options=\".astylerc\" "
+ tempSrcDirPath + "/*.cc "
+ tempIncludeDirPath + "/*.h"
).then(function() {
return exec(
"rm "
+ tempSrcDirPath + "/*.cc.orig "
+ tempIncludeDirPath + "/*.h.orig "
);
});
}
}, function() {})
}).then(function() {
return Promise.all([
utils.syncDirs(tempSrcDirPath, finalSrcDirPath),
utils.syncDirs(tempIncludeDirPath, finalIncludeDirPath),
]);
}).then(function() {
return fse.remove(tempDirPath);
}).catch(console.log);
};
if (require.main === module) {
module.exports();
}