Taskfile.yml

# yaml-language-server: $schema=https://taskfile.dev/schema.json

version: 3

tasks:
  default:
    cmds:
      - task: generate-parser
      - go build
    sources:
      - Expr.g4
      - '**/*.go'
    generates:
      - expr
    desc: Builds the project.

  generate-parser:
    cmds:
      - task: clean
      - antlr4 -Dlanguage=Go -o parser -no-listener -visitor Expr.g4
    sources:
      - Expr.g4
    generates:
      - parser/*
    status:
      - test -d parser
    desc: Generates the parser.

  tests:
    sources:
      - test/test*.txt
    cmds:
      - for: sources
        cmd: ./expr {{.ITEM}}
    ignore_error: true
    deps:
      - default
    desc: Tests the parser against some test files.

  clean:
    cmds:
      - rm -f expr
      - rm -rf parser
    silent: true
    desc: Removes binary and generated parser files.