@facchinm

This new update does not solve the multi line issue.

Code Used

template< typename T >  
T func(T t){
    return t * t;
}

void setup() {
  func( 12.34f );
}

void loop() {}

Sketch Produced

#include <Arduino.h>
#line 1 "C:\\Users\\Chris\\Documents\\Arduino\\template_stuff\\template_stuff.ino"
#line 1 "C:\\Users\\Chris\\Documents\\Arduino\\template_stuff\\template_stuff.ino"

template< typename T >  
#line 3 "C:\\Users\\Chris\\Documents\\Arduino\\template_stuff\\template_stuff.ino"
T func(T t);
#line 17 "C:\\Users\\Chris\\Documents\\Arduino\\template_stuff\\template_stuff.ino"
void setup();
#line 22 "C:\\Users\\Chris\\Documents\\Arduino\\template_stuff\\template_stuff.ino"
void loop();
#line 3 "C:\\Users\\Chris\\Documents\\Arduino\\template_stuff\\template_stuff.ino"
T func(T t){
    return t * t;
}

void setup() {
  func( 12.34f );
}

void loop() {}

I have many more template tests to try, but it failed on the first.

ctags is deliberating removing < typename T > from the return type, leaving only template T and bypassing in this way all the multiline code (which searches for exact match). The prototypes being inserted after template< typename T > is instead another, easily solvable problem. I'm trying to solve the ctags issue but it looks REALLY complicated... Thanks for the POC by the way!

@Chris--A the latest commit should solve (or better, mitigate) the issue. Since the ctags TEMPLATE bug was already handled (but the code was plainly wrong in case of multiline) all the other proto generation code behaved really strangely. If you could check if it behaves correctly in your setup I'd be really grateful!

✅ Build completed.

⬇️ Build URL: http://downloads.arduino.cc/PR/arduino-builder/arduino-builder-182.zip

ℹ️ To test this build:

1. Replace arduino-builder binary (you can find it where you installed the IDE) with the provided one

Oops, forgot to reply. I did try this and it did solve the problem in this issue. Will also try it with #206

✅ Build completed.

⬇️ Build URL: http://downloads.arduino.cc/PR/arduino-builder/arduino-builder-182.zip

ℹ️ To test this build:

1. Replace arduino-builder binary (you can find it where you installed the IDE) with the provided one