add support for shared functions #41

src/application/Parser/ScriptParser.ts

@@ -2,15 +2,18 @@ import { Script } from '@/domain/Script';
 import { YamlScript } from 'js-yaml-loader!./application.yaml';
 import { parseDocUrls } from './DocumentationParser';
 import { RecommendationLevelNames, RecommendationLevel } from '@/domain/RecommendationLevel';
+import { IScriptCompiler } from './Compiler/IScriptCompiler';
+import { IScriptCode } from '@/domain/IScriptCode';
+import { ScriptCode } from '@/domain/ScriptCode';
 
-export function parseScript(yamlScript: YamlScript): Script {
-    if (!yamlScript) {
-        throw new Error('script is null or undefined');
+export function parseScript(yamlScript: YamlScript, compiler: IScriptCompiler): Script {
+    validateScript(yamlScript);
+    if (!compiler) {
+        throw new Error('undefined compiler');
     }
     const script = new Script(
         /* name */              yamlScript.name,
-        /* code */              yamlScript.code,
-        /* revertCode */        yamlScript.revertCode,
+        /* code */              parseCode(yamlScript, compiler),
         /* docs */              parseDocUrls(yamlScript),
         /* level */             getLevel(yamlScript.recommend));
     return script;
@@ -30,3 +33,29 @@ function getLevel(level: string): RecommendationLevel | undefined {
     }
     return RecommendationLevel[typedLevel as keyof typeof RecommendationLevel];
 }
+
+function parseCode(yamlScript: YamlScript, compiler: IScriptCompiler): IScriptCode {
+    if (compiler.canCompile(yamlScript)) {
+        return compiler.compile(yamlScript);
+    }
+    return new ScriptCode(yamlScript.name, yamlScript.code, yamlScript.revertCode);
+}
+
+function ensureNotBothCallAndCode(yamlScript: YamlScript) {
+    if (yamlScript.code && yamlScript.call) {
+        throw new Error('cannot define both "call" and "code"');
+    }
+    if (yamlScript.revertCode && yamlScript.call) {
+        throw new Error('cannot define "revertCode" if "call" is defined');
+    }
+}
+
+function validateScript(yamlScript: YamlScript) {
+    if (!yamlScript) {
+        throw new Error('undefined script');
+    }
+    if (!yamlScript.code && !yamlScript.call) {
+        throw new Error('must define either "call" or "code"');
+    }
+    ensureNotBothCallAndCode(yamlScript);
+}