big refactoring: magicsys compiles again

This commit is contained in:
Andreas Rumpf 2018-05-10 13:12:42 +02:00
commit 0d56dd4677
10 changed files with 269 additions and 244 deletions

View file

@ -11,7 +11,7 @@
import
strutils, llstream, ast, astalgo, idents, lexer, options, msgs, parser,
filters, filter_tmpl, renderer
filters, filter_tmpl, renderer, configuration
type
TFilterKind* = enum
@ -30,12 +30,14 @@ type
skin*: TParserKind
parser*: TParser
template config(p: TParsers): ConfigRef = p.parser.lex.config
proc parseAll*(p: var TParsers): PNode =
case p.skin
of skinStandard, skinStrongSpaces:
result = parser.parseAll(p.parser)
of skinEndX:
internalError("parser to implement")
internalError(p.config, "parser to implement")
result = ast.emptyNode
proc parseTopLevelStmt*(p: var TParsers): PNode =
@ -43,7 +45,7 @@ proc parseTopLevelStmt*(p: var TParsers): PNode =
of skinStandard, skinStrongSpaces:
result = parser.parseTopLevelStmt(p.parser)
of skinEndX:
internalError("parser to implement")
internalError(p.config, "parser to implement")
result = ast.emptyNode
proc utf8Bom(s: string): int =
@ -86,39 +88,39 @@ proc getFilter(ident: PIdent): TFilterKind =
return i
result = filtNone
proc getParser(ident: PIdent): TParserKind =
proc getParser(conf: ConfigRef; n: PNode; ident: PIdent): TParserKind =
for i in countup(low(TParserKind), high(TParserKind)):
if cmpIgnoreStyle(ident.s, parserNames[i]) == 0:
return i
rawMessage(errInvalidDirectiveX, ident.s)
localError(conf, n.info, "unknown parser: " & ident.s)
proc getCallee(n: PNode): PIdent =
proc getCallee(conf: ConfigRef; n: PNode): PIdent =
if n.kind in nkCallKinds and n.sons[0].kind == nkIdent:
result = n.sons[0].ident
elif n.kind == nkIdent:
result = n.ident
else:
rawMessage(errXNotAllowedHere, renderTree(n))
localError(conf, n.info, "invalid filter: " & renderTree(n))
proc applyFilter(p: var TParsers, n: PNode, filename: string,
stdin: PLLStream): PLLStream =
var ident = getCallee(n)
var ident = getCallee(p.config, n)
var f = getFilter(ident)
case f
of filtNone:
p.skin = getParser(ident)
p.skin = getParser(p.config, n, ident)
result = stdin
of filtTemplate:
result = filterTmpl(stdin, filename, n)
result = filterTmpl(stdin, filename, n, p.config)
of filtStrip:
result = filterStrip(stdin, filename, n)
result = filterStrip(p.config, stdin, filename, n)
of filtReplace:
result = filterReplace(stdin, filename, n)
result = filterReplace(p.config, stdin, filename, n)
if f != filtNone:
if hintCodeBegin in gNotes:
rawMessage(hintCodeBegin, [])
if hintCodeBegin in p.config.notes:
rawMessage(p.config, hintCodeBegin, [])
msgWriteln(result.s)
rawMessage(hintCodeEnd, [])
rawMessage(p.config, hintCodeEnd, [])
proc evalPipe(p: var TParsers, n: PNode, filename: string,
start: PLLStream): PLLStream =
@ -158,7 +160,7 @@ proc parseFile*(fileIdx: FileIndex; cache: IdentCache; config: ConfigRef): PNode
f: File
let filename = fileIdx.toFullPathConsiderDirty
if not open(f, filename):
rawMessage(errCannotOpenFile, filename)
rawMessage(config, errGenerated, "cannot open file: " & filename)
return
openParsers(p, fileIdx, llStreamOpen(f), cache, config)
result = parseAll(p)