# Copyright 2022 Mattia Giambirtone & All Contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import strformat

# Debug various components of peon
const debugLexer* {.booldefine.} = false
const debugParser* {.booldefine.} = false
const debugCompiler* {.booldefine.} = false
const debugVM* {.booldefine.} = false
const debugGC* {.booldefine.} = false
const debugMem* {.booldefine.} = false
const debugSerializer* {.booldefine.} = false
const PeonBytecodeMarker* = "PEON_BYTECODE"
const HeapGrowFactor* = 2 # How much extra memory to allocate for dynamic arrays and garbage collection when resizing
when HeapGrowFactor <= 1:
    {.fatal: "Heap growth factor must be > 1".}
const PeonVersion* = (major: 0, minor: 1, patch: 0)
const PeonRelease* = "alpha"
const PeonCommitHash* = "b273cd744883458a4a6354a0cc5f4f5d0f560c31"
when len(PeonCommitHash) != 40:
    {.fatal: "The git commit hash must be exactly 40 characters long".}
const PeonBranch* = "unboxed-types"
when len(PeonBranch) > 255:
    {.fatal: "The git branch name's length must be less than or equal to 255 characters".}
const PeonVersionString* = &"Peon {PeonVersion.major}.{PeonVersion.minor}.{PeonVersion.patch} {PeonRelease} ({PeonBranch}, {CompileDate}, {CompileTime}, {PeonCommitHash[0..8]}) [Nim {NimVersion}] on {hostOS} ({hostCPU})"
const HelpMessage* = """The peon programming language, Copyright (C) 2022 Mattia Giambirtone & All Contributors

This program is free software, see the license distributed with this program or check
http://www.apache.org/licenses/LICENSE-2.0 for more info.

Basic usage
-----------

$ peon             Opens an interactive session (REPL)
$ peon file.pn     Runs the given Peon source file

Command-line options
--------------------

-h, --help          Shows this help text and exits
-v, --version       Prints the peon version number and exits
-s, --string        Executes the passed string as if it was a file
-i, --interactive   Enables interactive mode, which opens a REPL session after execution of a file or source string
-c, --nocache       Disables dumping the result of bytecode compilation to files for caching
-d, --cache-delay   Configures the bytecode cache invalidation threshold, in minutes (defaults to 60)
"""