diff options
| -rw-r--r-- | src/brainfuck/brainfuck.cr | 2 | ||||
| -rw-r--r-- | src/flint.cr | 55 |
2 files changed, 53 insertions, 4 deletions
diff --git a/src/brainfuck/brainfuck.cr b/src/brainfuck/brainfuck.cr index 25f3bdf..78c504c 100644 --- a/src/brainfuck/brainfuck.cr +++ b/src/brainfuck/brainfuck.cr @@ -1,6 +1,8 @@ require "./*" module Brainfuck + DEFAULT_TAPE_SIZE = 30_000 + enum Opcode PtrRight PtrLeft diff --git a/src/flint.cr b/src/flint.cr index 271c39f..39d8363 100644 --- a/src/flint.cr +++ b/src/flint.cr @@ -1,5 +1,7 @@ # TODO: Write documentation for `Flint` +require "option_parser" + require "./brainfuck/*" require "./brainfuck/parser.cr" @@ -7,10 +9,55 @@ module Flint VERSION = "0.1.0" def self.main - puts "Hello world!" - parser = Brainfuck::Parser.new - puts parser - puts Brainfuck::Opcode::PtrRight + execution_mode = :interpret + chosen_language = nil + memory_size = nil + source_file = nil + + parser = OptionParser.new do |parser| + parser.banner = "Basic usage: flint [LANGUAGE] [OPTIONS] [FILE]" + + parser.on("brainfuck", "select brainfuck as the language") do + chosen_language = :brainfuck + memory_size = Brainfuck::DEFAULT_TAPE_SIZE + + parser.banner = "Useage: flint brainfuck [OPTIONS] [FILE]" + parser.on("-t CELLS", "--tape-size=CELLS", "specify the number of memory cells in the tape, defaults to 30,000") { nil } + end + + parser.on("-h", "--help", "show this help and exit") do + puts parser + exit(0) + end + parser.on("-i", "--interpet", "interpet the provided source code, implied by default, overridden by '-c' or '--compile'") { nil } + parser.on("-c", "--compile", "produce a binary or different source code file instead of interpeting the code, overrides an explicit '-i' or '--intepret' flag") do + execution_mode = :compile + end + + parser.unknown_args do |_args| + source_file = _args[0] unless _args.empty? + end + end + + parser.parse + + if chosen_language.nil? + puts "ERROR: No language chosen" + puts parser + exit(1) + end + + if source_file.nil? + puts "ERROR: No source file chosen" + puts parser + exit(1) + end + + # temporary + puts execution_mode + puts chosen_language + puts memory_size + puts source_file end end |