62 lines
3.1 KiB
Nim
62 lines
3.1 KiB
Nim
# Copyright 2022 Mattia Giambirtone & All Contributors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import strformat
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const BYTECODE_MARKER* = "JAPL_BYTECODE"
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const MAP_LOAD_FACTOR* = 0.75 # Load factor for builtin hashmaps
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when MAP_LOAD_FACTOR >= 1.0:
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{.fatal: "Hashmap load factor must be < 1".}
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const HEAP_GROW_FACTOR* = 2 # How much extra memory to allocate for dynamic arrays and garbage collection when resizing
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when HEAP_GROW_FACTOR <= 1:
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{.fatal: "Heap growth factor must be > 1".}
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const MAX_STACK_FRAMES* = 800 # The maximum number of stack frames at any one time. Acts as a recursion limiter (1 frame = 1 call)
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when MAX_STACK_FRAMES <= 0:
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{.fatal: "The frame limit must be > 0".}
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const JAPL_VERSION* = (major: 0, minor: 4, patch: 0)
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const JAPL_RELEASE* = "alpha"
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const JAPL_COMMIT_HASH* = "ba9c8b4e5664c0670eb8925d65b307e397d6ed82"
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when len(JAPL_COMMIT_HASH) != 40:
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{.fatal: "The git commit hash must be exactly 40 characters long".}
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const JAPL_BRANCH* = "master"
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when len(JAPL_BRANCH) >= 255:
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{.fatal: "The git branch name's length must be less than or equal to 255 characters".}
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const DEBUG_TRACE_VM* = false # Traces VM execution
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const SKIP_STDLIB_INIT* = false # Skips stdlib initialization (can be imported manually)
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const DEBUG_TRACE_GC* = false # Traces the garbage collector (TODO)
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const DEBUG_TRACE_ALLOCATION* = false # Traces memory allocation/deallocation
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const DEBUG_TRACE_COMPILER* = false # Traces the compiler
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const JAPL_VERSION_STRING* = &"JAPL {JAPL_VERSION.major}.{JAPL_VERSION.minor}.{JAPL_VERSION.patch} {JAPL_RELEASE} ({JAPL_BRANCH}, {CompileDate}, {CompileTime}, {JAPL_COMMIT_HASH[0..8]}) [Nim {NimVersion}] on {hostOS} ({hostCPU})"
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const HELP_MESSAGE* = """The JAPL programming language, Copyright (C) 2022 Mattia Giambirtone & All Contributors
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This program is free software, see the license distributed with this program or check
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http://www.apache.org/licenses/LICENSE-2.0 for more info.
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Basic usage
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-----------
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$ jpl Opens an interactive session (REPL)
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$ jpl file.jpl Runs the given JAPL source file
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Command-line options
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--------------------
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-h, --help Shows this help text and exits
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-v, --version Prints the JAPL version number and exits
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-s, --string Executes the passed string as if it was a file
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-i, --interactive Enables interactive mode, which opens a REPL session after execution of a file or source string
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-c, --nocache Disables dumping the result of bytecode compilation to files for caching
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-d, --cache-delay Configures the bytecode cache invalidation threshold, in minutes (defaults to 60)
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"""
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