use uctag parameter field option for module instantiation (mshr-h#102)

By adding `--fields-SystemVerilog=+{parameter}` option uctag,
it emits the 6th field, `parameter:`.

When `parameter:` is emitted, this fix override type as `parameter`.

Signed-off-by: Hiroo HAYASHI <[email protected]>

Author: hirooih

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 
+## [Unreleased] - 2023-12-xx
+
+### Fixed
+
+- Fix [#102](https://github.com/mshr-h/vscode-verilog-hdl-support/issues/102)
+  - requires [Universal Ctags, Oct 22, 2020 version](https://github.com/universal-ctags/ctags/pull/2666) and later.
+
 ## [1.13.0] 2023-08-31
 
 ### Added

src/commands/ModuleInstantiation.ts

@@ -59,7 +59,7 @@ function instantiateModule(srcpath: string): Thenable<vscode.SnippetString> {
         portsName = ports.map((tag) => tag.name);
         let params: Symbol[] = ctags.symbols.filter(
           (tag) =>
-            tag.type === 'constant' && tag.parentType === 'module' && tag.parentScope === scope
+            tag.type === 'parameter' && tag.parentType === 'module' && tag.parentScope === scope
         );
         parametersName = params.map((tag) => tag.name);
         logger.info('Module name: ' + module.name);

src/ctags.ts

@@ -52,6 +52,7 @@ export class Symbol {
   static isContainer(type: string): boolean {
     switch (type) {
       case 'constant':
+      case 'parameter':
       case 'event':
       case 'net':
       case 'port':
@@ -84,6 +85,8 @@ export class Symbol {
     switch (name) {
       case 'constant':
         return vscode.SymbolKind.Constant;
+      case 'parameter':
+        return vscode.SymbolKind.Constant;
       case 'event':
         return vscode.SymbolKind.Event;
       case 'function':
@@ -165,7 +168,7 @@ export class Ctags {
       vscode.workspace.getConfiguration().get('verilog.ctags.path', 'none')
     );
     if (binPath !== 'none') {
-      let command: string = binPath + ' -f - --fields=+K --sort=no --excmd=n "' + filepath + '"';
+      let command: string = binPath + ' -f - --fields=+K --sort=no --excmd=n --fields-SystemVerilog=+{parameter} "' + filepath + '"';
       this.logger.info('Executing Command: ' + command);
       return new Promise((resolve, _reject) => {
         child_process.exec(command, (_error: Error, stdout: string, _stderr: string) => {
@@ -185,7 +188,11 @@ export class Ctags {
       name = parts[0];
       // pattern = parts[2];
       type = parts[3];
-      if (parts.length == 5) {
+      // override "type" for parameters (See #102)
+      if (parts.length == 6 && parts[5] === 'parameter:') {
+        type = 'parameter';
+      }
+      if (parts.length >= 5) {
         scope = parts[4].split(':');
         parentType = scope[0];
         parentScope = scope[1];