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#
#
# The Nim Compiler
# (c) Copyright 2012 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
# AST YAML printing
import "."/[ast, lineinfos, msgs, options, rodutils]
import std/[intsets, strutils]
proc addYamlString*(res: var string; s: string) =
res.add "\""
for c in s:
case c
of '\0' .. '\x1F', '\x7F' .. '\xFF':
res.add("\\u" & strutils.toHex(ord(c), 4))
of '\"', '\\':
res.add '\\' & c
else:
res.add c
res.add('\"')
proc makeYamlString(s: string): string =
result = ""
result.addYamlString(s)
proc flagsToStr[T](flags: set[T]): string =
if flags == {}:
result = "[]"
else:
result = ""
for x in items(flags):
if result != "":
result.add(", ")
result.addYamlString($x)
result = "[" & result & "]"
proc lineInfoToStr*(conf: ConfigRef; info: TLineInfo): string =
result = "["
result.addYamlString(toFilename(conf, info))
result.addf ", $1, $2]", [toLinenumber(info), toColumn(info)]
proc treeToYamlAux(res: var string; conf: ConfigRef; n: PNode; marker: var IntSet; indent, maxRecDepth: int)
proc symToYamlAux(res: var string; conf: ConfigRef; n: PSym; marker: var IntSet; indent, maxRecDepth: int)
proc typeToYamlAux(res: var string; conf: ConfigRef; n: PType; marker: var IntSet; indent, maxRecDepth: int)
proc symToYamlAux(res: var string; conf: ConfigRef; n: PSym; marker: var IntSet; indent: int; maxRecDepth: int) =
if n == nil:
res.add("null")
elif containsOrIncl(marker, n.id):
res.addYamlString(n.name.s)
else:
let istr = spaces(indent * 4)
res.addf("kind: $1", [makeYamlString($n.kind)])
res.addf("\n$1name: $2", [istr, makeYamlString(n.name.s)])
res.addf("\n$1typ: ", [istr])
res.typeToYamlAux(conf, n.typ, marker, indent + 1, maxRecDepth - 1)
if conf != nil:
# if we don't pass the config, we probably don't care about the line info
res.addf("\n$1info: $2", [istr, lineInfoToStr(conf, n.info)])
if card(n.flags) > 0:
res.addf("\n$1flags: $2", [istr, flagsToStr(n.flags)])
res.addf("\n$1magic: $2", [istr, makeYamlString($n.magic)])
res.addf("\n$1ast: ", [istr])
res.treeToYamlAux(conf, n.ast, marker, indent + 1, maxRecDepth - 1)
res.addf("\n$1options: $2", [istr, flagsToStr(n.options)])
res.addf("\n$1position: $2", [istr, $n.position])
res.addf("\n$1k: $2", [istr, makeYamlString($n.loc.k)])
res.addf("\n$1storage: $2", [istr, makeYamlString($n.loc.storage)])
if card(n.loc.flags) > 0:
res.addf("\n$1flags: $2", [istr, makeYamlString($n.loc.flags)])
res.addf("\n$1snippet: $2", [istr, n.loc.snippet])
res.addf("\n$1lode: $2", [istr])
res.treeToYamlAux(conf, n.loc.lode, marker, indent + 1, maxRecDepth - 1)
proc typeToYamlAux(res: var string; conf: ConfigRef; n: PType; marker: var IntSet; indent: int; maxRecDepth: int) =
if n == nil:
res.add("null")
elif containsOrIncl(marker, n.id):
res.addf "\"$1 @$2\"" % [$n.kind, strutils.toHex(cast[uint](n), sizeof(n) * 2)]
else:
let istr = spaces(indent * 4)
res.addf("kind: $2", [istr, makeYamlString($n.kind)])
res.addf("\n$1sym: ")
res.symToYamlAux(conf, n.sym, marker, indent + 1, maxRecDepth - 1)
res.addf("\n$1n: ")
res.treeToYamlAux(conf, n.n, marker, indent + 1, maxRecDepth - 1)
if card(n.flags) > 0:
res.addf("\n$1flags: $2", [istr, flagsToStr(n.flags)])
res.addf("\n$1callconv: $2", [istr, makeYamlString($n.callConv)])
res.addf("\n$1size: $2", [istr, $(n.size)])
res.addf("\n$1align: $2", [istr, $(n.align)])
if n.hasElementType:
res.addf("\n$1sons:")
for a in n.kids:
res.addf("\n - ")
res.typeToYamlAux(conf, a, marker, indent + 1, maxRecDepth - 1)
proc treeToYamlAux(res: var string; conf: ConfigRef; n: PNode; marker: var IntSet; indent: int;
maxRecDepth: int) =
if n == nil:
res.add("null")
else:
var istr = spaces(indent * 4)
res.addf("kind: $1" % [makeYamlString($n.kind)])
if maxRecDepth != 0:
if conf != nil:
res.addf("\n$1info: $2", [istr, lineInfoToStr(conf, n.info)])
case n.kind
of nkCharLit .. nkInt64Lit:
res.addf("\n$1intVal: $2", [istr, $(n.intVal)])
of nkFloatLit, nkFloat32Lit, nkFloat64Lit:
res.addf("\n$1floatVal: $2", [istr, n.floatVal.toStrMaxPrecision])
of nkStrLit .. nkTripleStrLit:
res.addf("\n$1strVal: $2", [istr, makeYamlString(n.strVal)])
of nkSym:
res.addf("\n$1sym: ", [istr])
res.symToYamlAux(conf, n.sym, marker, indent + 1, maxRecDepth)
of nkIdent:
if n.ident != nil:
res.addf("\n$1ident: $2", [istr, makeYamlString(n.ident.s)])
else:
res.addf("\n$1ident: null", [istr])
else:
if n.len > 0:
res.addf("\n$1sons: ", [istr])
for i in 0 ..< n.len:
res.addf("\n$1 - ", [istr])
res.treeToYamlAux(conf, n[i], marker, indent + 1, maxRecDepth - 1)
if n.typ != nil:
res.addf("\n$1typ: ", [istr])
res.typeToYamlAux(conf, n.typ, marker, indent + 1, maxRecDepth)
proc treeToYaml*(conf: ConfigRef; n: PNode; indent: int = 0; maxRecDepth: int = -1): string =
var marker = initIntSet()
result = newStringOfCap(1024)
result.treeToYamlAux(conf, n, marker, indent, maxRecDepth)
proc typeToYaml*(conf: ConfigRef; n: PType; indent: int = 0; maxRecDepth: int = -1): string =
var marker = initIntSet()
result = newStringOfCap(1024)
result.typeToYamlAux(conf, n, marker, indent, maxRecDepth)
proc symToYaml*(conf: ConfigRef; n: PSym; indent: int = 0; maxRecDepth: int = -1): string =
var marker = initIntSet()
result = newStringOfCap(1024)
result.symToYamlAux(conf, n, marker, indent, maxRecDepth)
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