vscode language pascal

What\’s new in Pascal 9.9

• Adds more FreePascal Keywords
• Published to Open VSX
• Improves Syntax Highlighting support for FreePascal and Oxygene
• Adds Web support
• Adds Getting Started / Walkthrough

Support

Pascal is an open source extension created for Visual Studio Code. While being free and open source, if you find it useful, please consider supporting it

Pascal

It adds support for the Pascal language and its dialects like Delphi and FreePascal.

Here are some of the features that Pascal provides:

• Syntax highlighting for files, forms and projects
• A huge set of Snippets
• Source code navigation

Features

Coding with style

Syntax Highlighting

Pascal supports full syntax highlighting for Delphi and FreePascal

Snippets

Almost 40 snippets are available

Format Code

Check out Pascal Formatter documentation.

Code Navigation

Navigate to any language element (methods, attributes, classes, interfaces, and so on) inside Pascal files. It supports native VS Code commands like:

• Go to Symbol
• Go to Definition
• Peek Definition
• Find All References

It uses GNU Global, a source code tagging system, which means that it has some limitations if you compare with an AST parsing.

Installing and Configuring GNU Global

You have to install 4 tools:

• GNU Global 6.5 or higher (http://www.g***nu.org/software/global/global.html)
• Exuberant Tags 5.5 or higher (http://ctags.so*urcefor*g*e.net/)
• Python 2.7 or higher (https://www.p**y*thon.org/)
• Python Pygments (via pip install Pygments)

Instructions (for Windows)

1. Download the installers and install

2. Update your %PATH% Environment Variable (System)

Let\’s say you extract GNU Global and CTags in C:\\gnu folder. The two new entries in %PATH% should be:

• GNU Global: C:\\gnu\\glo653wb\\bin
• Excuberant Tags: C:\\gnu\\ctags58\\ctags58

Also make sure Python is in %PATH%

3. Create 2 new Environment Variables (System)

GNU Global uses CTags + Python Pygments as plugin in order to recognizes Pascal source code, so you have to configure them.

• GTAGSCONF: C:\\gnu\\glo653wb\\share\\gtags\\gtags.conf
• GTAGSLABEL: pygments

Instructions (for Linux)

1. Install the tools using apt

    sudo apt update
    sudo apt install global exuberant-ctags python3-pygments

2. Add GTAGSCONF AND GTAGSLABEL environment variables

    export GTAGSCONF=/etc/gtags.conf
    export GTAGSLABEL=pygments

Since there is no default gtags.conf file o Linux, you must copy it from a Windows setup/installer and put at /etc/gtags.conf

Thanks to @trey-k for sharing the instructions in this comment

Available commands

Code Navigation

To enable Code Navigation, the extension depends on GNU Global and Exuberant Tags and for that, you must run gtags on the Root folder, so the tags are created. In order to make life easier, two commands where added:

• Pascal: Generate Tags: Use this to create or reset the tags in the current project. You just have to do it once.
• Pascal: Update Tags: Use this to update the tags for current project. You should use this command to update the references when any source code is updated.

Available Settings

Controls how the code navigation should work. Specially useful if you work with huge projects

• workspace: Full featured code navigation
• file: Limited to Go to Symbol in File command

    \"pascal.codeNavigation\": \"workspace\"

• Controls if the extension should automatically generate tags in projects opened for the first time

    \"pascal.tags.autoGenerate\": true

For huge projects, its recommended to use:

    \"pascal.codeNavigation\": \"file\",
    \"pascal.tags.autoGenerate\": false

Task Build

Use this Task Examples, so you can:

• Compile Delphi and FreePascal projects:
• Navigate to Errors/Warnings/Hints, using the native View / Errors and Warnings command

Building Tasks

If you want to build tasks (Task: Run Task Build) you can use the snippets below.

Delphi

Update two tags:

• DCC32.EXE_PATH: The compiler location
• YOUR_DELPHI_PROJECT.DPR: The project being built.

   \"version\": \"2.0.0\",
   \"tasks\": [
      {
         \"label\": \"Pascal\",
         \"type\": \"shell\",
         \"windows\": {
            \"command\": \"DCC32.EXE_PATH\"
         },
         \"linux\": {
            \"command\": \"FPC_BIN_PATH\"
         },
         \"presentation\": {
            \"reveal\": \"always\",
            \"panel\": \"new\"
         },
         \"args\": [
            {
               \"value\": \"\"YOUR_DELPHI_PROJECT.DPR\"\",
               \"quoting\": \"escape\"
            }
         ],
         \"problemMatcher\": {
            \"owner\": \"external\",
            \"pattern\": {
               \"regexp\": \"^(.*.(pas|dpr|dpk))\\\\((\\\\d+)\\\\)\\\\s(Fatal|Error|Warning|Hint):(.*)\",
               \"file\": 1,
               \"location\": 3,
               \"message\": 5
            }
         },
         \"group\": {
            \"kind\": \"build\",
            \"isDefault\": true
         }
      }
   ]

FreePascal

Update two tags:

• FPC_BIN_PATH: The full compiler location. If its PATH is already in Environment Variables, simply use FPC_BIN filename
• YOUR_FREEPASCAL_PROJECT_OR_FILE: The project/file being built.

{
   \"version\": \"2.0.0\",
   \"tasks\": [
      {
         \"label\": \"Pascal\",
         \"type\": \"shell\",
         \"windows\": {
            \"command\": \"FPC_BIN_PATH\"
         },
         \"linux\": {
            \"command\": \"FPC_BIN_PATH\"
         },
         \"presentation\": {
            \"reveal\": \"always\",
            \"panel\": \"new\"
         },
         \"args\": [
            {
               \"value\": \"YOUR_FREEPASCAL_PROJECT_OR_FILE\",
               \"quoting\": \"escape\"
            }
         ],
         \"problemMatcher\": {
            \"owner\": \"external\",
            \"pattern\": {
               \"regexp\": \"^([\\\\w]+\\\\.(p|pp|pas))\\\\((\\\\d+)\\\\,(\\\\d+)\\\\)\\\\s(Fatal|Error|Warning|Note):(.*)\",
               \"file\": 1,
               \"line\": 3,
               \"column\": 4,
               \"message\": 6
            }
         },
         \"group\": {
            \"kind\": \"build\",
            \"isDefault\": true
         }
      }
   ]
}

Contributors

Special thanks to the people that have contributed to the project:

• trey-k – Instructions for Linux install see Comment
• Robert Roland (@robdaemon) – Missing keywords from FreePascal (see PR)
• Midas (Wither) (@TheWitheredStriker) – Missing keywords from FreePascal and Oxygene (see PR) and (see PR)
• creativelaides (@creativelaides) – Task upgrade (see PR)
• space (@SpaceEEC) – Fixed parentesis in snippet (see PR)
• AnsonYeung (@AnsonYeung) – Fixed autocomplete in snippet (see PR)
• AnsonYeung (@AnsonYeung) – Added .lpr file extension support (see PR)
• Jonathan Carter (@lostintangent) – Support Live Share (see PR)
• Jan T. Sott (@idleberg) – Fixed escape in snippet (see PR)
• Wade Anderson (@waderyan) – Updated marketplace category (see PR)

Also thanks to everyone who helped opening issues with ideas and bug reports.

License

MIT © Alessandro Fragnani