different attempt to parse using collapsable text

ranges
2025-12-23 18:08:29 +00:00 · 2020-05-23 13:20:51 +01:00
parent bdc5b1d4cd
commit 23dc6d3871
18 changed files with 1904 additions and 345 deletions
--- a/langserver/java/validation/unit-decl-order.js
+++ b/langserver/java/validation/unit-decl-order.js
@@ -0,0 +1,33 @@
+const { ModuleBlock, PackageBlock, ImportBlock, TypeDeclBlock } = require('../parser9');
+const ParseProblem = require('../parsetypes/parse-problem');
+
+/**
+ * @param {ModuleBlock} mod 
+ */
+module.exports = function(mod) {
+    let have_imports, have_type;
+    const problems = [];
+    for (let decl of mod.decls()) {
+        let p;
+        switch (true) {
+            case decl instanceof PackageBlock:
+                if (have_imports || have_type) {
+                    p = ParseProblem.Error(decl, 'package must be declared before import and type declarations');
+                }
+                break;
+            case decl instanceof ImportBlock:
+                if (have_type) {
+                    p = ParseProblem.Error(decl, 'imports must be declared before type declarations');
+                }
+                have_imports = true;
+                break;
+            case decl instanceof TypeDeclBlock:
+                have_type = true;
+                break;
+        }
+        if (p) {
+            problems.push(p)
+        }
+    }
+    return problems;
+}