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138 lines
3.7 KiB
Python
138 lines
3.7 KiB
Python
#!/usr/bin/python3
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# Slang Esolang Gibberish compilation target (PoC)
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# https://esolangs.org/wiki/Gibberish_(programming_language)
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from .. import *
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from ...ast import *
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from utils import *
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class Instrs:
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binopmap = {
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'+': b'ea',
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'-': b'es',
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'*': b'em',
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'/': b'ed',
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'<<': b'fl',
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'>>': b'fr',
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'&': b'ga',
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}
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@init_defaults
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@autocast
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def __init__(self, ns, stack: Slist, functions: dict):
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self.ns, self.stack, self.functions = ns, stack, functions
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self.code = bytearray()
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@dispatch
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def add(self, x: ASTRootNode):
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self.add(x.code)
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@dispatch
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def add(self, x: ASTCodeNode):
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for i in x.nodes:
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self.add(i)
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@dispatch
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def add(self, x: ASTVardefNode):
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if (x.value is not None):
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self.load(x.value)
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self.stack[-1] = Signature.build(x, self.ns)
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@dispatch
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def add(self, x: ASTAssignmentNode):
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sig = Signature.build(x.name, self.ns)
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for ii, i in enumerate(self.stack):
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if (i == sig): self.stack[ii] = None
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self.load(x.value)
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self.stack[-1] = sig
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@dispatch
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def add(self, x: ASTFunccallNode):
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self.load(x)
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self.code += b'ev'
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self.stack.pop()
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@dispatch
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def add(self, x: ASTFuncdefNode):
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code_ns = self.ns.derive(x.name.identifier)
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if (x.name.identifier == 'main'):
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assert not x.argdefs
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name = x.name.identifier
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else: name = f"{x.name.identifier}__{self.ns.signatures[x.name.identifier].call.index(CallArguments(args=tuple(Signature.build(i, code_ns) for i in x.argdefs)))}"
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f_instrs = Instrs(ns=code_ns, stack=(Signature.build(i, code_ns) for i in x.argdefs), functions=self.functions.copy())
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f_instrs.add(x.code)
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#dlog(f"{x.__fsig__()} instrs:\n"+'\n'.join(f_instrs.instrs)+'\n')
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self.functions[name] = f_instrs
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@dispatch
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def add(self, x: ASTKeywordExprNode):
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if (x.keyword.keyword == 'return'):
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self.load(x.value)
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else: raise NotImplementedError(x.keyword)
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@dispatch
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def load(self, x: ASTLiteralNode):
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s = str(eval(str(x.literal))).encode().split(b']')
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if (s):
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s[0] = b'['+s[0]
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s[-1] += b']'
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self.code += b'][93]eigtec['.join(s) + b'c'*(len(s)-1)
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if (issubclass(literal_type(x.literal), (int, float))): self.code += b'ei'
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self.stack.append(None)
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@dispatch
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def load(self, x: ASTIdentifierNode):
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dlog(self.stack)
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sig = Signature.build(x, self.ns)
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i = self.stack.rindex(sig)
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self.code += (b'[%d]eip' if (i >= 10) else b'%dep') % i
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self.stack.append(sig)
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@dispatch
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def load(self, x: ASTValueNode):
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self.load(x.value)
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@dispatch
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def load(self, x: ASTFunccallNode):
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assert not (x.callargs.starargs or x.callkwargs.callkwargs or x.callkwargs.starkwargs)
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if (x.callable.value.identifier == 'print'):
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for i in x.callargs.callargs[:-1]:
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self.load(i)
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self.code += b'eq[32]eigteq'
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self.stack.pop()
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if (x.callargs.callargs):
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self.load(x.callargs.callargs[-1])
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self.stack.pop()
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else: self.code += b'[]'
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self.code += b'eo'
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self.stack.append(None)
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return
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for i in x.callargs.callargs[::-1]:
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self.load(i)
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self.stack.pop()
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self.code += self.functions[f"{x.callable.value.identifier}__{self.ns.signatures[x.callable.value.identifier].call.index(CallArguments.build(x, self.ns))}" if (isinstance(x.callable, ASTValueNode) and isinstance(x.callable.value, ASTIdentifierNode) and x.callable.value.identifier in self.ns.signatures) else x.callable.value.identifier].code#.join((b'{', b'}'))
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@dispatch
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def load(self, x: ASTBinaryExprNode):
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self.load(x.lvalue)
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self.load(x.rvalue)
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self.code += self.binopmap[x.operator.operator]
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self.stack.pop()
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self.stack.pop()
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self.stack.append(None)
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class GibberishCompiler(Compiler):
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ext = '.gib'
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@classmethod
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def compile_ast(cls, ast, ns, *, filename):
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instrs = Instrs(ns=ns)
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instrs.add(ast)
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code = bytes(instrs.code)
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dlog("Code:\n"+code.decode())
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return code
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compiler = GibberishCompiler
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# by Sdore, 2020
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