mirror of https://github.com/japl-lang/japl.git
improve debug vm
improved coloring removed d:danger so debug output is present fixed frame length debug output
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parent
17913f1d7c
commit
5d98814d7d
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@ -2,8 +2,7 @@
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// from nim itself (the nim compiler options are identical to those of
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// production.json)
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{"flags": {
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"gc": "none",
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"d": "danger"
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"gc": "none"
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},
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"verbose": true,
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"override_config": true,
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@ -37,7 +37,7 @@ proc clear*(self: CallFrame): int =
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inc result
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proc getView*(self: CallFrame): ptr ArrayList[ptr Obj] =
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result = self.stack[self.slot..self.stack.high()]
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result = self.stack[self.slot..self.stack.len()]
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proc len*(self: CallFrame): int =
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@ -84,7 +84,7 @@ proc `[]`*[T](self: ptr ArrayList[T], slice: Hslice[int, int]): ptr ArrayList[T]
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## of the slice
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if self.length == 0:
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raise newException(IndexDefect, "ArrayList index out of bounds")
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if slice.a notin 0..self.length - 1 or slice.b notin 0..self.length - 1:
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if slice.a notin 0..self.length - 1 or slice.b notin 0..self.length:
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raise newException(IndexDefect, "ArrayList index out of bounds")
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result = newArrayList[T]()
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for i in countup(slice.a, slice.b - 1):
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@ -189,4 +189,4 @@ proc `$`*[T](self: ptr ArrayList[T]): string =
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proc getIter*[T](self: ptr ArrayList[T]): Iterator =
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## Returns the iterator object of the
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## arraylist
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result = allocate(Iterator, )
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result = allocate(Iterator, )
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@ -20,17 +20,29 @@ import ../types/baseObject
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import ../types/methods
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import ../types/arraylist
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import strformat
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import terminal
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proc printName(name: string) =
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setForegroundColor(fgGreen)
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write stdout, name
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setForegroundColor(fgDefault)
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proc nl =
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write stdout, "\n"
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proc simpleInstruction(name: string, index: int): int =
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echo &"DEBUG - VM:\tInstruction -> {name}"
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write stdout, &"DEBUG - VM:\tInstruction -> "
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printName(name)
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nl()
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return index + 1
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proc byteInstruction(name: string, chunk: Chunk, offset: int): int =
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var slot = chunk.code[offset + 1]
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echo &"DEBUG - VM:\tInstruction -> {name}, points to slot {slot}"
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write stdout, &"DEBUG - VM:\tInstruction -> "
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printName(name)
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write stdout, &", points to slot {slot}"
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nl()
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return offset + 2
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@ -39,7 +51,10 @@ proc constantInstruction(name: string, chunk: Chunk, offset: int): int =
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var constantArray: array[3, uint8] = [chunk.code[offset + 1], chunk.code[offset + 2], chunk.code[offset + 3]]
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var constant: int
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copyMem(constant.addr, constantArray.addr, sizeof(constantArray))
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echo &"DEBUG - VM:\tInstruction -> {name}, points to slot {constant}"
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write stdout, &"DEBUG - VM:\tInstruction -> "
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printName(name)
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write stdout, &", points to slot {constant}"
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nl()
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let obj = chunk.consts[constant]
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echo &"DEBUG - VM:\tOperand -> {stringify(obj)}\nDEBUG - VM:\tValue kind -> {obj.kind}"
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return offset + 4
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@ -49,7 +64,10 @@ proc jumpInstruction(name: string, chunk: Chunk, offset: int): int =
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var jumpArray: array[2, uint8] = [chunk.code[offset + 1], chunk.code[offset + 2]]
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var jump: int
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copyMem(jump.addr, jumpArray.addr, sizeof(uint16))
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echo &"DEBUG - VM:\tInstruction -> {name}\nDEBUG - VM:\tJump size -> {jump}"
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write stdout, &"DEBUG - VM:\tInstruction -> "
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printName(name)
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write stdout, &"\nDEBUG - VM:\tJump size -> {jump}"
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nl()
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return offset + 3
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84
src/vm.nim
84
src/vm.nim
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@ -44,6 +44,9 @@ import types/arraylist
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# in production builds
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import util/debug
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when DEBUG_TRACE_VM:
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import terminal
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type
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KeyboardInterrupt* = object of CatchableError
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@ -292,44 +295,49 @@ proc readConstant(self: CallFrame): ptr Obj =
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proc showRuntime*(self: VM, frame: CallFrame, iteration: uint64) =
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## Shows debug information about the current
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## state of the virtual machine
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let view = frame.getView()
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stdout.write("DEBUG - VM: General information\n")
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stdout.write(&"DEBUG - VM:\tIteration -> {iteration}\nDEBUG - VM:\tStack -> [")
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for i, v in self.stack:
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stdout.write(stringify(v))
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if i < self.stack.high():
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stdout.write(", ")
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stdout.write("]\nDEBUG - VM: \tGlobals -> {")
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for i, (k, v) in enumerate(self.globals.pairs()):
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stdout.write(&"'{k}': {stringify(v)}")
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if i < self.globals.len() - 1:
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stdout.write(", ")
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stdout.write("}\nDEBUG - VM: Frame information\n")
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stdout.write("DEBUG - VM:\tType -> ")
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if frame.function.name == nil:
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stdout.write("main\n")
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else:
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stdout.write(&"function, '{frame.function.name.stringify()}'\n")
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echo &"DEBUG - VM:\tCount -> {self.frames.len()}"
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echo &"DEBUG - VM:\tLength -> {view.len}"
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stdout.write("DEBUG - VM:\tTable -> ")
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stdout.write("[")
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for i, e in frame.function.chunk.consts:
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stdout.write(stringify(e))
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if i < len(frame.function.chunk.consts) - 1:
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stdout.write(", ")
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stdout.write("]\nDEBUG - VM:\tStack view -> ")
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stdout.write("[")
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for i, e in view:
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stdout.write(stringify(e))
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if i < len(view) - 1:
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stdout.write(", ")
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stdout.write("]\n")
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echo "DEBUG - VM: Current instruction"
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discard disassembleInstruction(frame.function.chunk, frame.ip - 1)
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when DEBUG_TRACE_VM:
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proc showRuntime*(self: VM, frame: CallFrame, iteration: uint64) =
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## Shows debug information about the current
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## state of the virtual machine
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let view = frame.getView()
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setForegroundColor(fgYellow)
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stdout.write("DEBUG - VM: General information\n")
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stdout.write(&"DEBUG - VM:\tIteration -> {iteration}\n")
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setForegroundColor(fgDefault)
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stdout.write("DEBUG - VM:\tStack -> [")
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for i, v in self.stack:
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stdout.write(stringify(v))
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if i < self.stack.high():
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stdout.write(", ")
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stdout.write("]\nDEBUG - VM: \tGlobals -> {")
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for i, (k, v) in enumerate(self.globals.pairs()):
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stdout.write(&"'{k}': {stringify(v)}")
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if i < self.globals.len() - 1:
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stdout.write(", ")
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stdout.write("}\nDEBUG - VM: Frame information\n")
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stdout.write("DEBUG - VM:\tType -> ")
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if frame.function.name == nil:
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stdout.write("main\n")
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else:
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stdout.write(&"function, '{frame.function.name.stringify()}'\n")
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echo &"DEBUG - VM:\tCount -> {self.frames.len()}"
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echo &"DEBUG - VM:\tLength -> {view.len}"
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stdout.write("DEBUG - VM:\tTable -> ")
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stdout.write("[")
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for i, e in frame.function.chunk.consts:
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stdout.write(stringify(e))
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if i < len(frame.function.chunk.consts) - 1:
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stdout.write(", ")
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stdout.write("]\nDEBUG - VM:\tStack view -> ")
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stdout.write("[")
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for i, e in view:
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stdout.write(stringify(e))
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if i < len(view) - 1:
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stdout.write(", ")
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stdout.write("]\n")
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echo "DEBUG - VM: Current instruction"
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discard disassembleInstruction(frame.function.chunk, frame.ip - 1)
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proc run(self: VM): InterpretResult =
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