jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

better typeToString; fixes #340

Browse source
This commit is contained in:
Araq 2013-02-20 01:00:17 +01:00
commit 45c9975e9c
2 changed files with 16 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

28
compiler/types.nim
View file

@ -406,21 +406,16 @@ const
"bignum", "const ",
"!", "varargs[$1]", "iter[$1]", "Error Type", "TypeClass"]
proc constraintsToStr(t: PType): string =
proc consToStr(t: PType): string =
if t.len > 0: result = t.typeToString
else: result = typeToStr[t.kind].strip
proc consToStr(t: PType): string =
if t.len > 0: result = t.typeToString
else: result = typeToStr[t.kind].strip
# better error messages are nice:
case t.len
of 0: result = "constraint[]"
of 1: result = "constraint[" & consToStr(t.sons[0]) & "]"
else:
let sep = if tfAny in t.flags: " or " else: " and "
result = ""
for i in countup(0, t.len - 1):
if i > 0: result.add(sep)
result.add(t.sons[i].consToStr)
proc constraintsToStr(t: PType): string =
let sep = if tfAny in t.flags: " or " else: " and "
result = ""
for i in countup(0, t.len - 1):
if i > 0: result.add(sep)
result.add(t.sons[i].consToStr)
proc TypeToString(typ: PType, prefer: TPreferedDesc = preferName): string =
var t = typ
@ -446,7 +441,10 @@ proc TypeToString(typ: PType, prefer: TPreferedDesc = preferName): string =
if t.len == 0: result = "typedesc"
else: result = "typedesc[" & constraintsToStr(t) & "]"
of tyTypeClass:
result = constraintsToStr(t)
case t.len
of 0: result = "typeclass[]"
of 1: result = "typeclass[" & consToStr(t.sons[0]) & "]"
else: result = constraintsToStr(t)
of tyExpr:
if t.len == 0: result = "expr"
else: result = "expr[" & constraintsToStr(t) & "]"