32 lines
1.1 KiB
Nim
32 lines
1.1 KiB
Nim
type
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LineEditorChoice = enum
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leBasic, leRdstdin
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ReadlineInterruptedException* = object of CatchableError
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const debugDumpAst* = defined(debug) # dump AST after parsing
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const debugDumpChunk* = defined(debug) # dump emitted chunk
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# vm debug options (setting any to true will slow runtime down!)
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const debugVM* = defined(debug)
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const assertionsVM* = defined(debug) or defined(release) # sanity checks in the VM, such as the stack being empty at the end
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const boundsChecks* = defined(debug) or defined(release)
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const profileInstructions* = defined(ndsprofile) # if true, the time spent on every opcode is measured
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const debugClosures* = defined(debug) # specific closure debug switches
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# choose a line editor for the repl
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const lineEditor = leRdstdin
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when lineEditor == leRdstdin:
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import rdstdin
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proc ndLineEditor*: string =
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proc ctrlc =
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raise newException(ReadlineInterruptedException, "Ctrl+C/D pressed.")
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when lineEditor == leBasic:
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write stdout, "\r-> "
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result = stdin.readLine()
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when lineEditor == leRdstdin:
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var line: string
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let ok = readLineFromStdin("-> ", line)
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if not ok:
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ctrlc()
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return line |