77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Tobias Koppers @sokra
|
||
|
|
*/
|
||
|
|
"use strict";
|
||
|
|
const path = require("path");
|
||
|
|
|
||
|
|
const BasicEvaluatedExpression = require("./BasicEvaluatedExpression");
|
||
|
|
const ConstDependency = require("./dependencies/ConstDependency");
|
||
|
|
const UnsupportedFeatureWarning = require("./UnsupportedFeatureWarning");
|
||
|
|
|
||
|
|
const ParserHelpers = exports;
|
||
|
|
|
||
|
|
ParserHelpers.addParsedVariableToModule = function(parser, name, expression) {
|
||
|
|
if(!parser.state.current.addVariable) return false;
|
||
|
|
var deps = [];
|
||
|
|
parser.parse(expression, {
|
||
|
|
current: {
|
||
|
|
addDependency: function(dep) {
|
||
|
|
dep.userRequest = name;
|
||
|
|
deps.push(dep);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
module: parser.state.module
|
||
|
|
});
|
||
|
|
parser.state.current.addVariable(name, expression, deps);
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
|
||
|
|
ParserHelpers.requireFileAsExpression = function(context, pathToModule) {
|
||
|
|
var moduleJsPath = path.relative(context, pathToModule);
|
||
|
|
if(!/^[A-Z]:/i.test(moduleJsPath)) {
|
||
|
|
moduleJsPath = "./" + moduleJsPath.replace(/\\/g, "/");
|
||
|
|
}
|
||
|
|
return "require(" + JSON.stringify(moduleJsPath) + ")";
|
||
|
|
};
|
||
|
|
|
||
|
|
ParserHelpers.toConstantDependency = function(value) {
|
||
|
|
return function constDependency(expr) {
|
||
|
|
var dep = new ConstDependency(value, expr.range);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
this.state.current.addDependency(dep);
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
ParserHelpers.evaluateToString = function(value) {
|
||
|
|
return function stringExpression(expr) {
|
||
|
|
return new BasicEvaluatedExpression().setString(value).setRange(expr.range);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
ParserHelpers.evaluateToBoolean = function(value) {
|
||
|
|
return function booleanExpression(expr) {
|
||
|
|
return new BasicEvaluatedExpression().setBoolean(value).setRange(expr.range);
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
ParserHelpers.expressionIsUnsupported = function(message) {
|
||
|
|
return function unsupportedExpression(expr) {
|
||
|
|
var dep = new ConstDependency("(void 0)", expr.range);
|
||
|
|
dep.loc = expr.loc;
|
||
|
|
this.state.current.addDependency(dep);
|
||
|
|
if(!this.state.module) return;
|
||
|
|
this.state.module.warnings.push(new UnsupportedFeatureWarning(this.state.module, message));
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
ParserHelpers.skipTraversal = function skipTraversal() {
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
|
||
|
|
ParserHelpers.approve = function approve() {
|
||
|
|
return true;
|
||
|
|
};
|