Remove PHP backend. (#7606)

* remove php

* fix

* keep nimphpext

* remove targetJS enum

compiler/jstypes.nim

@@ -121,26 +121,7 @@ proc genEnumInfo(p: PProc, typ: PType, name: Rope) =
     addf(p.g.typeInfo, "$1.base = $2;$n",
          [name, genTypeInfo(p, typ.sons[0])])
 
-proc genEnumInfoPHP(p: PProc; t: PType): Rope =
-  let t = t.skipTypes({tyGenericInst, tyDistinct, tyAlias, tySink})
-  result = "$$NTI$1" % [rope(t.id)]
-  p.declareGlobal(t.id, result)
-  if containsOrIncl(p.g.typeInfoGenerated, t.id): return
-
-  let length = sonsLen(t.n)
-  var s: Rope = nil
-  for i in countup(0, length - 1):
-    if (t.n.sons[i].kind != nkSym): internalError(t.n.info, "genEnumInfo")
-    let field = t.n.sons[i].sym
-    if i > 0: add(s, ", " & tnl)
-    let extName = if field.ast == nil: field.name.s else: field.ast.strVal
-    addf(s, "$# => $#$n",
-         [rope(field.position), makeJSString(extName)])
-  prepend(p.g.typeInfo, "$$$# = $#;$n" % [result, s])
-
 proc genTypeInfo(p: PProc, typ: PType): Rope =
-  if p.target == targetPHP:
-    return makeJSString(typeToString(typ, preferModuleInfo))
   let t = typ.skipTypes({tyGenericInst, tyDistinct, tyAlias, tySink})
   result = "NTI$1" % [rope(t.id)]
   if containsOrIncl(p.g.typeInfoGenerated, t.id): return

compiler/lambdalifting.nim

@@ -230,7 +230,7 @@ template isIterator*(owner: PSym): bool =
 proc liftingHarmful(owner: PSym): bool {.inline.} =
   ## lambda lifting can be harmful for JS-like code generators.
   let isCompileTime = sfCompileTime in owner.flags or owner.kind == skMacro
-  result = gCmd in {cmdCompileToPHP, cmdCompileToJS} and not isCompileTime
+  result = gCmd == cmdCompileToJS and not isCompileTime
 
 proc liftIterSym*(n: PNode; owner: PSym): PNode =
   # transforms  (iter)  to  (let env = newClosure[iter](); (iter, env))
@@ -813,7 +813,7 @@ proc liftLambdas*(fn: PSym, body: PNode; tooEarly: var bool): PNode =
   let isCompileTime = sfCompileTime in fn.flags or fn.kind == skMacro
 
   if body.kind == nkEmpty or (
-      gCmd in {cmdCompileToPHP, cmdCompileToJS} and not isCompileTime) or
+      gCmd == cmdCompileToJS and not isCompileTime) or
       fn.skipGenericOwner.kind != skModule:
     # ignore forward declaration:
     result = body

compiler/main.nim

@@ -94,7 +94,6 @@ proc commandCompileToJS(graph: ModuleGraph; cache: IdentCache) =
   defineSymbol("nimrod") # 'nimrod' is always defined
   defineSymbol("ecmascript") # For backward compatibility
   defineSymbol("js")
-  if gCmd == cmdCompileToPHP: defineSymbol("nimphp")
   semanticPasses()
   registerPass(JSgenPass)
   compileProject(graph, cache)
@@ -189,9 +188,6 @@ proc mainCommand*(graph: ModuleGraph; cache: IdentCache) =
   of "js", "compiletojs":
     gCmd = cmdCompileToJS
     commandCompileToJS(graph, cache)
-  of "php":
-    gCmd = cmdCompileToPHP
-    commandCompileToJS(graph, cache)
   of "doc0":
     wantMainModule()
     gCmd = cmdDoc

compiler/nim.nim

@@ -90,14 +90,6 @@ proc handleCmdLine(cache: IdentCache; config: ConfigRef) =
             ex = quoteShell(
               completeCFilePath(changeFileExt(gProjectFull, "js").prependCurDir))
           execExternalProgram(findNodeJs() & " " & ex & ' ' & commands.arguments)
-        elif gCmd == cmdCompileToPHP:
-          var ex: string
-          if options.outFile.len > 0:
-            ex = options.outFile.prependCurDir.quoteShell
-          else:
-            ex = quoteShell(
-              completeCFilePath(changeFileExt(gProjectFull, "php").prependCurDir))
-          execExternalProgram("php " & ex & ' ' & commands.arguments)
         else:
           var binPath: string
           if options.outFile.len > 0:

compiler/options.nim

@@ -81,7 +81,6 @@ type
                               # **keep binary compatible**
     cmdNone, cmdCompileToC, cmdCompileToCpp, cmdCompileToOC,
     cmdCompileToJS,
-    cmdCompileToPHP,
     cmdCompileToLLVM, cmdInterpret, cmdPretty, cmdDoc,
     cmdGenDepend, cmdDump,
     cmdCheck,                 # semantic checking for whole project

compiler/rodread.nim

@@ -586,7 +586,7 @@ proc cmdChangeTriggersRecompilation(old, new: TCommands): bool =
   # new command forces us to consider it here :-)
   case old
   of cmdCompileToC, cmdCompileToCpp, cmdCompileToOC,
-      cmdCompileToJS, cmdCompileToPHP, cmdCompileToLLVM:
+      cmdCompileToJS, cmdCompileToLLVM:
     if new in {cmdDoc, cmdCheck, cmdIdeTools, cmdPretty, cmdDef,
                cmdInteractive}:
       return false