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c2nim knows about the 'union' pragma

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This commit is contained in:
Araq
2014-03-05 20:05:05 +01:00
parent 3dfb4891c7
commit a066e4e5c5
1 changed files with 10 additions and 11 deletions
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21
compiler/c2nim/cparse.nim
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@@ -681,11 +681,6 @@ proc parseField(p: var TParser, kind: TNodeKind): PNode =
else: result = mangledIdent(p.tok.s, p)
getTok(p, result)
proc takeOnlyFirstField(p: TParser, isUnion: bool): bool =
# if we generate an interface to a header file, *all* fields can be
# generated:
result = isUnion and p.options.header.len == 0
proc parseStructBody(p: var TParser, isUnion: bool,
kind: TNodeKind = nkRecList): PNode =
result = newNodeP(kind, p)
@@ -698,8 +693,7 @@ proc parseStructBody(p: var TParser, isUnion: bool,
var i = parseField(p, kind)
t = parseTypeSuffix(p, t)
addSon(def, i, t, ast.emptyNode)
if not takeOnlyFirstField(p, isUnion) or sonsLen(result) < 1:
addSon(result, def)
addSon(result, def)
if p.tok.xkind != pxComma: break
getTok(p, def)
eat(p, pxSemicolon, lastSon(result))
@@ -710,11 +704,12 @@ proc structPragmas(p: TParser, name: PNode, origName: string): PNode =
result = newNodeP(nkPragmaExpr, p)
addSon(result, exportSym(p, name, origName))
var pragmas = newNodeP(nkPragma, p)
addSon(pragmas, newIdentNodeP("pure", p), newIdentNodeP("final", p))
#addSon(pragmas, newIdentNodeP("pure", p), newIdentNodeP("final", p))
if p.options.header.len > 0:
addSon(pragmas, newIdentStrLitPair("importc", origName, p),
newIdentStrLitPair("header", p.options.header, p))
addSon(result, pragmas)
if pragmas.len > 0: addSon(result, pragmas)
else: addSon(result, ast.emptyNode)
proc enumPragmas(p: TParser, name: PNode): PNode =
result = newNodeP(nkPragmaExpr, p)
@@ -726,9 +721,13 @@ proc enumPragmas(p: TParser, name: PNode): PNode =
addSon(pragmas, e)
addSon(result, pragmas)
proc parseStruct(p: var TParser, isUnion: bool): PNode =
proc parseStruct(p: var TParser, isUnion: bool): PNode =
result = newNodeP(nkObjectTy, p)
addSon(result, ast.emptyNode, ast.emptyNode) # no pragmas, no inheritance
var pragmas = ast.emptyNode
if isUnion:
pragmas = newNodeP(nkPragma, p)
addSon(pragmas, newIdentNodeP("union", p))
addSon(result, pragmas, ast.emptyNode) # no inheritance
if p.tok.xkind == pxCurlyLe:
addSon(result, parseStructBody(p, isUnion))
else: