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Diffstat (limited to 'compiler/nimfix/pretty.nim')
| -rw-r--r-- | compiler/nimfix/pretty.nim | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/compiler/nimfix/pretty.nim b/compiler/nimfix/pretty.nim deleted file mode 100644 index 8ba922927..000000000 --- a/compiler/nimfix/pretty.nim +++ /dev/null @@ -1,154 +0,0 @@ -# -# -# The Nim Compiler -# (c) Copyright 2015 Andreas Rumpf -# -# See the file "copying.txt", included in this -# distribution, for details about the copyright. -# - -## This module implements the code "prettifier". This is part of the toolchain -## to convert Nim code into a consistent style. - -import - strutils, os, intsets, strtabs - -import compiler/options, compiler/ast, compiler/astalgo, compiler/msgs, - compiler/semdata, compiler/nimfix/prettybase, compiler/ropes, compiler/idents - -type - StyleCheck* {.pure.} = enum None, Warn, Auto - -var - gOverWrite* = true - gStyleCheck*: StyleCheck - gCheckExtern*, gOnlyMainfile*: bool - -proc overwriteFiles*() = - let doStrip = options.getConfigVar("pretty.strip").normalize == "on" - for i in 0 .. high(gSourceFiles): - if gSourceFiles[i].dirty and not gSourceFiles[i].isNimfixFile and - (not gOnlyMainfile or gSourceFiles[i].fileIdx == gProjectMainIdx): - let newFile = if gOverWrite: gSourceFiles[i].fullpath - else: gSourceFiles[i].fullpath.changeFileExt(".pretty.nim") - try: - var f = open(newFile, fmWrite) - for line in gSourceFiles[i].lines: - if doStrip: - f.write line.strip(leading = false, trailing = true) - else: - f.write line - f.write(gSourceFiles[i].newline) - f.close - except IOError: - rawMessage(errCannotOpenFile, newFile) - -proc `=~`(s: string, a: openArray[string]): bool = - for x in a: - if s.startsWith(x): return true - -proc beautifyName(s: string, k: TSymKind): string = - # minimal set of rules here for transition: - # GC_ is allowed - - let allUpper = allCharsInSet(s, {'A'..'Z', '0'..'9', '_'}) - if allUpper and k in {skConst, skEnumField, skType}: return s - result = newStringOfCap(s.len) - var i = 0 - case k - of skType, skGenericParam: - # Types should start with a capital unless builtins like 'int' etc.: - if s =~ ["int", "uint", "cint", "cuint", "clong", "cstring", "string", - "char", "byte", "bool", "openArray", "seq", "array", "void", - "pointer", "float", "csize", "cdouble", "cchar", "cschar", - "cshort", "cu", "nil", "expr", "stmt", "typedesc", "auto", "any", - "range", "openarray", "varargs", "set", "cfloat" - ]: - result.add s[i] - else: - result.add toUpperAscii(s[i]) - of skConst, skEnumField: - # for 'const' we keep how it's spelt; either upper case or lower case: - result.add s[0] - else: - # as a special rule, don't transform 'L' to 'l' - if s.len == 1 and s[0] == 'L': result.add 'L' - elif '_' in s: result.add(s[i]) - else: result.add toLowerAscii(s[0]) - inc i - while i < s.len: - if s[i] == '_': - if i > 0 and s[i-1] in {'A'..'Z'}: - # don't skip '_' as it's essential for e.g. 'GC_disable' - result.add('_') - inc i - result.add s[i] - else: - inc i - result.add toUpperAscii(s[i]) - elif allUpper: - result.add toLowerAscii(s[i]) - else: - result.add s[i] - inc i - -proc replaceInFile(info: TLineInfo; newName: string) = - loadFile(info) - - let line = gSourceFiles[info.fileIndex].lines[info.line-1] - var first = min(info.col.int, line.len) - if first < 0: return - #inc first, skipIgnoreCase(line, "proc ", first) - while first > 0 and line[first-1] in prettybase.Letters: dec first - if first < 0: return - if line[first] == '`': inc first - - let last = first+identLen(line, first)-1 - if differ(line, first, last, newName): - # last-first+1 != newName.len or - var x = line.substr(0, first-1) & newName & line.substr(last+1) - system.shallowCopy(gSourceFiles[info.fileIndex].lines[info.line-1], x) - gSourceFiles[info.fileIndex].dirty = true - -proc checkStyle(info: TLineInfo, s: string, k: TSymKind; sym: PSym) = - let beau = beautifyName(s, k) - if s != beau: - if gStyleCheck == StyleCheck.Auto: - sym.name = getIdent(beau) - replaceInFile(info, beau) - else: - message(info, hintName, beau) - -proc styleCheckDefImpl(info: TLineInfo; s: PSym; k: TSymKind) = - # operators stay as they are: - if k in {skResult, skTemp} or s.name.s[0] notin prettybase.Letters: return - if k in {skType, skGenericParam} and sfAnon in s.flags: return - if {sfImportc, sfExportc} * s.flags == {} or gCheckExtern: - checkStyle(info, s.name.s, k, s) - -template styleCheckDef*(info: TLineInfo; s: PSym; k: TSymKind) = - when defined(nimfix): - if gStyleCheck != StyleCheck.None: styleCheckDefImpl(info, s, k) - -template styleCheckDef*(info: TLineInfo; s: PSym) = - styleCheckDef(info, s, s.kind) -template styleCheckDef*(s: PSym) = - styleCheckDef(s.info, s, s.kind) - -proc styleCheckUseImpl(info: TLineInfo; s: PSym) = - if info.fileIndex < 0: return - # we simply convert it to what it looks like in the definition - # for consistency - - # operators stay as they are: - if s.kind in {skResult, skTemp} or s.name.s[0] notin prettybase.Letters: - return - if s.kind in {skType, skGenericParam} and sfAnon in s.flags: return - let newName = s.name.s - - replaceInFile(info, newName) - #if newName == "File": writeStackTrace() - -template styleCheckUse*(info: TLineInfo; s: PSym) = - when defined(nimfix): - if gStyleCheck != StyleCheck.None: styleCheckUseImpl(info, s) |