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Add an option to alias global objects

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This for example allows to switch the default 'Math' implementation a program will use. Uses 'NativeMath' by default.
This commit is contained in:
dcodeIO
2018-03-26 16:54:25 +02:00
parent e75d006d26
commit 792202ac5a
14 changed files with 186 additions and 167 deletions
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25
src/program.ts
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@ -298,6 +298,15 @@ export class Program extends DiagnosticEmitter {
);
}
}
// set up global aliases
var globalAliases = options.globalAliases;
if (globalAliases) {
for (let [alias, name] of globalAliases) {
let element = this.elementsLookup.get(name); // TODO: error? has no source range
if (element) this.elementsLookup.set(alias, element);
}
}
}
/** Tries to resolve an import by traversing exports and queued exports. */
@ -319,8 +328,8 @@ export class Program extends DiagnosticEmitter {
} while (true);
}
/** Processes internal decorators, if present. */
private checkInternalDecorators(
/** Processes global options, if present. */
private checkGlobalOptions(
element: Element,
declaration: DeclarationStatement
): void {
@ -469,7 +478,7 @@ export class Program extends DiagnosticEmitter {
}
}
this.checkInternalDecorators(prototype, declaration);
this.checkGlobalOptions(prototype, declaration);
// check and possibly register string type
if (
@ -909,7 +918,7 @@ export class Program extends DiagnosticEmitter {
this.initializeEnumValue(values[i], element);
}
this.checkInternalDecorators(element, declaration);
this.checkGlobalOptions(element, declaration);
}
private initializeEnumValue(
@ -1133,7 +1142,7 @@ export class Program extends DiagnosticEmitter {
}
}
this.checkInternalDecorators(prototype, declaration);
this.checkGlobalOptions(prototype, declaration);
}
private initializeImports(
@ -1292,7 +1301,7 @@ export class Program extends DiagnosticEmitter {
}
}
this.checkInternalDecorators(prototype, declaration);
this.checkGlobalOptions(prototype, declaration);
}
private initializeNamespace(
@ -1307,7 +1316,7 @@ export class Program extends DiagnosticEmitter {
namespace = new Namespace(this, simpleName, internalName, declaration);
namespace.namespace = parentNamespace;
this.elementsLookup.set(internalName, namespace);
this.checkInternalDecorators(namespace, declaration);
this.checkGlobalOptions(namespace, declaration);
}
if (parentNamespace) {
@ -1472,7 +1481,7 @@ export class Program extends DiagnosticEmitter {
this.moduleLevelExports.set(internalName, global);
}
}
this.checkInternalDecorators(global, declaration);
this.checkGlobalOptions(global, declaration);
}
}