diff options
Diffstat (limited to 'compiler')
-rw-r--r-- | compiler/ast.nim | 2 | ||||
-rw-r--r-- | compiler/ccgcalls.nim | 13 | ||||
-rw-r--r-- | compiler/ccgtypes.nim | 59 | ||||
-rw-r--r-- | compiler/msgs.nim | 3 | ||||
-rw-r--r-- | compiler/parser.nim | 3 | ||||
-rw-r--r-- | compiler/vmdeps.nim | 4 |
6 files changed, 66 insertions, 18 deletions
diff --git a/compiler/ast.nim b/compiler/ast.nim index 55923b54c..4e22af287 100644 --- a/compiler/ast.nim +++ b/compiler/ast.nim @@ -796,8 +796,8 @@ type # for enum types a list of symbols # for tyInt it can be the int literal # for procs and tyGenericBody, it's the - # the body of the user-defined type class # formal param list + # for concepts, the concept body # else: unused owner*: PSym # the 'owner' of the type sym*: PSym # types have the sym associated with them diff --git a/compiler/ccgcalls.nim b/compiler/ccgcalls.nim index 8f354d457..2dacc25e9 100644 --- a/compiler/ccgcalls.nim +++ b/compiler/ccgcalls.nim @@ -385,18 +385,11 @@ proc genPatternCall(p: BProc; ri: PNode; pat: string; typ: PType): Rope = inc j inc i of '\'': - inc i - let stars = i - while pat[i] == '*': inc i - if pat[i] in Digits: - let j = pat[i].ord - '0'.ord - var t = typ.sons[j] - for k in 1..i-stars: - if t != nil and t.len > 0: - t = if t.kind == tyGenericInst: t.sons[1] else: t.elemType + var idx, stars: int + if scanCppGenericSlot(pat, i, idx, stars): + var t = resolveStarsInCppType(typ, idx, stars) if t == nil: result.add(~"void") else: result.add(getTypeDesc(p.module, t)) - inc i else: let start = i while i < pat.len: diff --git a/compiler/ccgtypes.nim b/compiler/ccgtypes.nim index 8fdabd6cc..60ebf591b 100644 --- a/compiler/ccgtypes.nim +++ b/compiler/ccgtypes.nim @@ -495,6 +495,33 @@ proc getTupleDesc(m: BModule, typ: PType, name: Rope, else: add(result, desc) add(result, "};" & tnl) +proc scanCppGenericSlot(pat: string, cursor, outIdx, outStars: var int): bool = + # A helper proc for handling cppimport patterns, involving numeric + # placeholders for generic types (e.g. '0, '**2, etc). + # pre: the cursor must be placed at the ' symbol + # post: the cursor will be placed after the final digit + # false will returned if the input is not recognized as a placeholder + inc cursor + let begin = cursor + while pat[cursor] == '*': inc cursor + if pat[cursor] in Digits: + outIdx = pat[cursor].ord - '0'.ord + outStars = cursor - begin + inc cursor + return true + else: + return false + +proc resolveStarsInCppType(typ: PType, idx, stars: int): PType = + # XXX: we should catch this earlier and report it as a semantic error + if idx >= typ.len: internalError "invalid apostrophe type parameter index" + + result = typ.sons[idx] + for i in 1..stars: + if result != nil and result.len > 0: + result = if result.kind == tyGenericInst: result.sons[1] + else: result.elemType + proc getTypeDescAux(m: BModule, typ: PType, check: var IntSet): Rope = # returns only the type's name var t = getUniqueType(typ) @@ -597,11 +624,33 @@ proc getTypeDescAux(m: BModule, typ: PType, check: var IntSet): Rope = if isImportedCppType(t) and typ.kind == tyGenericInst: # for instantiated templates we do not go through the type cache as the # the type cache is not aware of 'tyGenericInst'. - result = getTypeName(t) & "<" - for i in 1 .. typ.len-2: - if i > 1: result.add(", ") - result.add(getTypeDescAux(m, typ.sons[i], check)) - result.add("> ") + let cppName = getTypeName(t) + var i = 0 + var chunkStart = 0 + while i < cppName.data.len: + if cppName.data[i] == '\'': + var chunkEnd = <i + var idx, stars: int + if scanCppGenericSlot(cppName.data, i, idx, stars): + result.add cppName.data.substr(chunkStart, chunkEnd) + chunkStart = i + + let typeInSlot = resolveStarsInCppType(typ, idx + 1, stars) + if typeInSlot == nil or typeInSlot.kind == tyEmpty: + result.add(~"void") + else: + result.add getTypeDescAux(m, typeInSlot, check) + else: + inc i + + if chunkStart != 0: + result.add cppName.data.substr(chunkStart) + else: + result = cppName & "<" + for i in 1 .. typ.len-2: + if i > 1: result.add(", ") + result.add(getTypeDescAux(m, typ.sons[i], check)) + result.add("> ") # always call for sideeffects: assert t.kind != tyTuple discard getRecordDesc(m, t, result, check) diff --git a/compiler/msgs.nim b/compiler/msgs.nim index 3f5c4763e..778b839f3 100644 --- a/compiler/msgs.nim +++ b/compiler/msgs.nim @@ -827,6 +827,9 @@ proc localError*(info: TLineInfo, msg: TMsgKind, arg = "") = proc localError*(info: TLineInfo, arg: string) = liMessage(info, errGenerated, arg, doNothing) +proc localError*(info: TLineInfo, format: string, params: openarray[string]) = + localError(info, format % params) + proc message*(info: TLineInfo, msg: TMsgKind, arg = "") = liMessage(info, msg, arg, doNothing) diff --git a/compiler/parser.nim b/compiler/parser.nim index d600f0f85..7da2f0d22 100644 --- a/compiler/parser.nim +++ b/compiler/parser.nim @@ -212,7 +212,8 @@ proc getPrecedence(tok: TToken, strongSpaces: bool): int = let relevantChar = tok.ident.s[0] # arrow like? - if L > 1 and tok.ident.s[L-1] == '>': return considerStrongSpaces(1) + if L > 1 and tok.ident.s[L-1] == '>' and + tok.ident.s[L-2] in {'-', '~', '='}: return considerStrongSpaces(1) template considerAsgn(value: expr) = result = if tok.ident.s[L-1] == '=': 1 else: value diff --git a/compiler/vmdeps.nim b/compiler/vmdeps.nim index 6148ed319..21ee4967b 100644 --- a/compiler/vmdeps.nim +++ b/compiler/vmdeps.nim @@ -144,7 +144,9 @@ proc mapTypeToAst(t: PType, info: TLineInfo; allowRecursion=false): PNode = of tyIter: result = mapTypeToBracket("iter", t, info) of tyProxy: result = atomicType"error" of tyBuiltInTypeClass: result = mapTypeToBracket("builtinTypeClass", t, info) - of tyUserTypeClass: result = mapTypeToBracket("userTypeClass", t, info) + of tyUserTypeClass: + result = mapTypeToBracket("concept", t, info) + result.add t.n.copyTree of tyCompositeTypeClass: result = mapTypeToBracket("compositeTypeClass", t, info) of tyAnd: result = mapTypeToBracket("and", t, info) of tyOr: result = mapTypeToBracket("or", t, info) |