My VS Code tasks for Free Pascal programs on Mac.

launch.json

{
  // Use IntelliSense to learn about possible attributes.
  // Hover to view descriptions of existing attributes.
  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
  "version": "0.2.0",
  "configurations": [
    { // shortcut: F5 (start debugging)
      "type": "lldb",
      "request": "launch",
      "name": "LLDB Debugger",
      "cwd": "${workspaceFolder}",
      "program": ".build/debug/${fileBasenameNoExtension}",
      "args": [],
      "terminal": "integrated",
      "preLaunchTask": "fpc: Build Debug",
      "postDebugTask": "fpc: Remove Build Files"
    },
    // { // native debugger
    //   "type": "lldb-mi",
    //   "request": "launch",
    //   "name": "Native Debugger",
    //   "cwd": "${workspaceFolder}",
    //   "target": ".build/debug/${fileBasenameNoExtension}",
    //   // "terminal": "",
    //   "preLaunchTask": "fpc: Build Debug",
    //   "postDebugTask": "fpc: Remove Build Files"
    // },
  ]
}

settings.json

{
    "omnipascal.searchPath": "~/Programs/pascal",
    "omnipascal.freePascalSourcePath": "~/Programs/freepascal/fpcsrc",
    "omnipascal.delphiInstallationPath": "~/Programs/freepascal/fpc/bin/x86_64-darwin",
    "omnipascal.defaultDevelopmentEnvironment": "FreePascal",

    "sde.buildOnSave": false,
    "sde.languageServerMode": "langserver",
    "swift.languageServerPath": "~/GitHub/sourcekit-lsp/.build/release/sourcekit-lsp",
    "sourcekit-lsp.serverPath": "~/GitHub/sourcekit-lsp/.build/release/sourcekit-lsp",

    "[markdown]": {
        "files.trimTrailingWhitespace": false,
    },

    "files.trimFinalNewlines": true,
    "files.insertFinalNewline": true,
    "files.trimTrailingWhitespace": true,
    "files.associations": {
        "*.json": "jsonc"
    },

    "editor.fontFamily": "'FiraCode-Medium', 'DejaVu Sans Code', Menlo, Monaco, monospace",
    "editor.rulers": [80, 120],
    "editor.tabSize": 2,
    "editor.fontSize": 13,
    "editor.letterSpacing": 0.1,
    "editor.wordWrapColumn": 120,
    "editor.fontLigatures": true,
    "editor.matchBrackets": false,
    "editor.smoothScrolling": true,
    "editor.minimap.enabled": false,
    "editor.renderLineHighlight": "all",
    "editor.tokenColorCustomizations": {
        "comments": {
            "fontStyle": "italic"
        }
    },

    "workbench.iconTheme": "vscode-great-icons",
    "workbench.enableExperiments": false,
    "workbench.editor.tabCloseButton": "left",
    "workbench.statusBar.feedback.visible": false,
    "workbench.settings.enableNaturalLanguageSearch": false,
    "workbench.colorCustomizations": {
        "[Default Dark+]": {
            "editorRuler.foreground": "#333333",
            "editor.lineHighlightBackground": "#282828",
            // "editorGutter.background": "#181818",
            // "editorIndentGuide.activeBackground": "#a0a0a0",
            "sideBar.border": "#333333",
            // "tab.border": "#3f3f3f",
        },
    },

    "window.zoomLevel": 0,
    "window.titleBarStyle": "native",
    "window.title": "${rootName}${separator}${dirty}${activeFolderShort}/${activeEditorShort} | Code",

    "explorer.confirmDelete": false,
    "explorer.confirmDragAndDrop": false,

    "terminal.integrated.fontSize": 13,
    "terminal.integrated.cursorStyle": "line",
    "terminal.integrated.cursorBlinking": true,

    "debug.toolBarLocation": "docked",
    "lldb.launch.terminal": "integrated",

    "git.enableSmartCommit": true,
    "search.showLineNumbers": true,
    "zenMode.hideLineNumbers": false,

    "telemetry.enableTelemetry": false,
    "telemetry.enableCrashReporter": false,
}

tasks.json

{
  // See https://go.microsoft.com/fwlink/?LinkId=733558
  // for the documentation about the tasks.json format
  //
  //! DON'T FORGET TO ADD THESE LINES INTO YOUR USER SHELL PROFILE
  //  export PATH=$PATH:<PATH_TO_FPC_BIN_FOLDER>
  //  export INSTANTFPCOPTIONS="-n @<PATH_TO_FPC_BIN_FOLDER>fpc.cfg"
  //
  "version": "2.0.0",
  "options": {
    "cwd": "${workspaceFolder}",
    "env": {
      // task settings for files and folders, use full path for commands
      "FPC_COMMAND" : "/Users/MacBee/Programs/freepascal/fpc/bin/x86_64-darwin/fpc.sh",
      "JCF_COMMAND" : "./jcf",
      "PROJECTFILE" : "${relativeFile}",
      "PROJECTBASE" : "${fileBasenameNoExtension}",
      "UNITS"       : "~/Programs/GitHub/*",
      "INCLUDES"    : "~/Programs/pascal/inc/*",
      "LIBRARIES"   : "~/Programs/pascal/lib/*",
      "OUTPUT"      : ".build",
      "DEBUG"       : ".build/debug",
      "RELEASE"     : ".build/release",
      "DEPLOY"      : ".build/deploy",
      "EXTENSION"   : ".cgi",     // set this to .cgi for web app
      "PROCESSOR"   : "-Px86_64",
      "OPSYSTEM"    : "-Tdarwin",
      "SYNTAX"      : "-Mobjfpc",
    },
  },
  "tasks": [
    { //! Build debug without any optimization
      "label"  : "fpc: Build Debug",
      "type"   : "shell",
      "group"  : "build",
      "command": "${FPC_COMMAND}",
      "args"   : [
        "${PROJECTFILE}",   // main project file
        "${PROCESSOR}",     // target processor
        "${OPSYSTEM}",      // target operating system
        "${SYNTAX}",        // pascal syntax mode
        "-Scahij-",         // pascal syntax setting
        "-CroOti",          // generated code setting
        "-O-",              // disable optimization
        "-Xg",              // external debug info
        "-B",               // rebuild all units
        "-v",               // verbose message
        "-glpsw2",          // dwarf debug setting
        "-godwarfcpp",      // dwarf mode setting
        "-Fu${UNITS}",      // additional units
        "-Fi${INCLUDES}",   // additional include files
        "-Fl${LIBRARIES}",  // additional libraries
        "-FE${DEBUG}",      // output for binary
        "-FU${OUTPUT}",     // output for units
      ],
      "presentation": {
        "focus": true,
      },
      "problemMatcher": {
        "owner"       : "objectpascal",
        "fileLocation": ["relative", "${workspaceFolder}"],
        "pattern"     : {
          // capture FPC's error messages and display them in Problems panel
          "kind"      : "location",
          "regexp"    : "^(.*)\\((\\d.*),(\\d.*)\\) (Warning|Error|Fatal): (.*)$",
          "file"      : 1,
          "line"      : 2,
          "column"    : 3,
          "severity"  : 4,
          "message"   : 5,
          "loop"      : true
        }
      }
    },
    { //! Build release with full optimization
      "label"  : "fpc: Build Release",
      "type"   : "shell",
      "group"  : {
        "kind" : "build",
        "isDefault": true
      },
      "command": "${FPC_COMMAND}",
      "args": [
        "${PROJECTFILE}",   // main project file
        "${PROCESSOR}",     // target processor
        "${OPSYSTEM}",      // target operating system
        "${SYNTAX}",        // pascal syntax mode
        "-Schij-",          // pascal syntax setting
        "-CX",              // generated code setting
        "-O3",              // code optimization setting
        "-XXs",             // executable setting
        "-B",               // rebuild all units
        "-v",               // verbose message
        "-Fu${UNITS}",      // additional units
        "-Fi${INCLUDES}",   // additional include files
        "-Fl${LIBRARIES}",  // additional libraries
        "-FE${RELEASE}",    // output for binary
        "-FU${OUTPUT}",     // output for units
      ],
      "presentation": {
        "focus": true,
      },
      "problemMatcher": {
        "owner"       : "objectpascal",
        "fileLocation": ["relative", "${workspaceFolder}"],
        "pattern"     : {
          "kind"      : "location",
          "regexp"    : "^(.*)\\((\\d.*),(\\d.*)\\) (Warning|Error|Fatal): (.*)$",
          "file"      : 1,
          "line"      : 2,
          "column"    : 3,
          "severity"  : 4,
          "message"   : 5,
          "loop"      : true
        }
      }
    },
    { //! Syntax check without linking
      "label"  : "fpc: Syntax Check",
      "type"   : "shell",
      "group"  : "build",
      "command": "${FPC_COMMAND}",
      "args"   : [
        "${PROJECTFILE}",   // main project file
        "${PROCESSOR}",     // target processor
        "${OPSYSTEM}",      // target operating system
        "${SYNTAX}",        // pascal syntax mode
        "-Scahij-",         // pascal syntax setting
        "-Se99",            // maximum error found
        "-B",               // rebuild all units
        "-v",               // verbose message
        "-s",               // syntax check mode
        "-Fu${UNITS}",      // additional units
        "-Fi${INCLUDES}",   // additional include files
        "-Fl${LIBRARIES}",  // additional libraries
        "-FE${OUTPUT}",     // output for binary
        "-FU${OUTPUT}",     // output for units
      ],
      "presentation": {
        "focus": true,
      },
      "problemMatcher": {
        "owner"       : "objectpascal",
        "fileLocation": ["relative", "${workspaceFolder}"],
        "pattern"     : {
          "kind"      : "location",
          "regexp"    : "^(.*)\\((\\d.*),(\\d.*)\\) (Warning|Error|Fatal): (.*)$",
          "file"      : 1,
          "line"      : 2,
          "column"    : 3,
          "severity"  : 4,
          "message"   : 5,
          "loop"      : true
        }
      }
    },
    { //! Run code using InstantFPC (quick compile)
      "label"  : "fpc: Run Code",
      "type"   : "shell",
      "group"  : "test",
      "command": "instantfpc",
      "args"   : [
        "${PROJECTFILE}",   // main project file
        "-B",               // always build
      ],
      "presentation": {
        "focus": true,
      },
      "problemMatcher": {
        "owner"       : "objectpascal",
        "fileLocation": ["relative", "${workspaceFolder}"],
        "pattern"     : {
          "kind"      : "location",
          "regexp"    : "^(.*)\\((\\d.*),(\\d.*)\\) (Warning|Error|Fatal): (.*)$",
          "file"      : 1,
          "line"      : 2,
          "column"    : 3,
          "severity"  : 4,
          "message"   : 5,
          "loop"      : true
        }
      }
    },
    { //! Execute generated (debug) binary
      "label": "fpc: Execute Binary",
      "type" : "shell",
      "group": {
        "kind": "test",
        "isDefault": true
      },
      "command": "./${DEBUG}/${PROJECTBASE}",
      "args"   : [],
      "presentation": {
        "focus": true,
      },
      "problemMatcher": []
    },
    { //! Deploy binary from release
      "label"  : "fpc: Deploy Release",
      "type"   : "shell",
      "command": "cp",
      "args"   : [
        "${RELEASE}/${PROJECTBASE}",             // from release
        "${DEPLOY}/${PROJECTBASE}${EXTENSION}",  // to deploy
      ],
      "presentation": {
        "reveal": "silent",
      },
      "problemMatcher": []
    },
    { //! JCF beautify Code
      "label"  : "JCF: Beautify Code",
      "type"   : "shell",
      "command": "${JCF_COMMAND}",
      "args"   : [
        "${PROJECTFILE}",
        "-clarify",
        "-inplace",
        "-config=jcf.xml"
      ],
      "presentation": {
        "reveal": "never"
      },
      "problemMatcher": []
    },
    { //! JCF obfuscate Code
      "label"  : "JCF: Obfuscate Code",
      "type"   : "shell",
      "command": "${JCF_COMMAND}",
      "args"   : [
        "${PROJECTFILE}",
        "-obfuscate",
        "-inplace",
        "-config=jcf.xml"
      ],
      "presentation": {
        "reveal": "never"
      },
      "problemMatcher": []
    },
    { //! Create build folders for compilation
      "label"  : "fpc: Create Build Folders",
      "type"   : "shell",
      "command": "mkdir",
      "args"   : [
        "${OUTPUT}",
        "${DEBUG}",
        "${RELEASE}",
        "${DEPLOY}",
      ],
      "presentation": {
        "reveal": "silent",
      },
      "problemMatcher": []
    },
    { //! Remove compiler genereted files
      "label"  : "fpc: Remove Build Files",
      "type"   : "shell",
      "command": "rm",
      "args"   : [
        "-rf",   // remove them all!
        "${OUTPUT}/*.*",                         // unit files
        "${DEBUG}/{,.[!.],..?}*",                // debug files
        "${RELEASE}/{,.[!.],..?}*",              // release files
        "~/.cache/instantfpc/${PROJECTBASE}",    // ifpc binary
        "~/.cache/instantfpc/${PROJECTBASE}.*",  // ifpc source
      ],
      "presentation": {
        "reveal": "silent",
      },
      "problemMatcher": []
    },
  ]
}