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226595515c
* refactoring: idents don't need inheritance * refactoring: adding an IdGenerator (part 1) * refactoring: adding an IdGenerator (part 2) * refactoring: adding an IdGenerator (part 3) * refactoring: adding an IdGenerator (part 4) * refactoring: adding an IdGenerator (part 5) * refactoring: adding an IdGenerator (part 5) * IdGenerator must be a ref type; hello world works again * make bootstrapping work again * progress: add back the 'exactReplica' ideas * added back the missing exactReplica hacks * make tcompilerapi work again * make important packages green * attempt to fix the build for 32 bit machines (probably need a better solution here)
47 lines
1.7 KiB
Nim
47 lines
1.7 KiB
Nim
#
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#
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# The Nim Compiler
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# (c) Copyright 2015 Andreas Rumpf
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#
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# See the file "copying.txt", included in this
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# distribution, for details about the copyright.
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#
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## Plugin to transform an inline iterator into a data structure.
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import ".." / [ast, lookups, semdata, lambdalifting, msgs]
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proc iterToProcImpl*(c: PContext, n: PNode): PNode =
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result = newNodeI(nkStmtList, n.info)
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let iter = n[1]
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if iter.kind != nkSym or iter.sym.kind != skIterator:
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localError(c.config, iter.info, "first argument needs to be an iterator")
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return
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if n[2].typ.isNil:
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localError(c.config, n[2].info, "second argument needs to be a type")
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return
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if n[3].kind != nkIdent:
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localError(c.config, n[3].info, "third argument needs to be an identifier")
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return
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let t = n[2].typ.skipTypes({tyTypeDesc, tyGenericInst})
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if t.kind notin {tyRef, tyPtr} or t.lastSon.kind != tyObject:
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localError(c.config, n[2].info,
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"type must be a non-generic ref|ptr to object with state field")
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return
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let body = liftIterToProc(c.graph, iter.sym, iter.sym.getBody, t, c.idgen)
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let prc = newSym(skProc, n[3].ident, nextId c.idgen, iter.sym.owner, iter.sym.info)
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prc.typ = copyType(iter.sym.typ, nextId c.idgen, prc)
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excl prc.typ.flags, tfCapturesEnv
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prc.typ.n.add newSymNode(getEnvParam(iter.sym))
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prc.typ.rawAddSon t
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let orig = iter.sym.ast
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prc.ast = newProcNode(nkProcDef, n.info,
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body = body, params = orig[paramsPos], name = newSymNode(prc),
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pattern = c.graph.emptyNode, genericParams = c.graph.emptyNode,
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pragmas = orig[pragmasPos], exceptions = c.graph.emptyNode)
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prc.ast.add iter.sym.ast[resultPos]
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addInterfaceDecl(c, prc)
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