From 9fbee85cc9dd95c1f99e5b55a3d382196eabb7fc Mon Sep 17 00:00:00 2001
From: Araq
Date: Wed, 3 Oct 2012 20:49:43 +0200
Subject: [PATCH] first steps for compiler as a service
---
compiler/main.nim | 13 ++++++-
compiler/service.nim | 71 +++++++++++++++++++++++++++++++++++++++
compiler/suggest.nim | 21 +++++++-----
doc/nimrodc.txt | 1 +
doc/tut1.txt | 10 +++---
doc/tut2.txt | 4 ++-
lib/system/alloc.nim | 3 +-
packages/docutils/rst.nim | 15 +++++++--
readme.txt | 2 +-
web/index.txt | 26 +++++++-------
web/question.txt | 16 +++++----
11 files changed, 142 insertions(+), 40 deletions(-)
create mode 100644 compiler/service.nim
diff --git a/compiler/main.nim b/compiler/main.nim
index 37feabd17..dec393c50 100755
--- a/compiler/main.nim
+++ b/compiler/main.nim
@@ -16,7 +16,7 @@ import
wordrecg, sem, semdata, idents, passes, docgen, extccomp,
cgen, ecmasgen,
platform, nimconf, importer, passaux, depends, evals, types, idgen,
- tables, docgen2
+ tables, docgen2, service
const
has_LLVM_Backend = false
@@ -292,5 +292,16 @@ proc MainCommand =
gCmd = cmdIdeTools
wantMainModule()
CommandSuggest()
+ of "serve":
+ gCmd = cmdIdeTools
+ msgs.gErrorMax = high(int) # do not stop after first error
+ semanticPasses()
+ # no need to write rod files and would slow down things:
+ #registerPass(rodwrite.rodwritePass())
+ discard CompileModule(options.libpath / "system", {sfSystemModule})
+ service.serve(proc () =
+ let projectFile = gProjectFull
+ discard CompileModule(projectFile, {sfMainModule})
+ )
else: rawMessage(errInvalidCommandX, command)
diff --git a/compiler/service.nim b/compiler/service.nim
new file mode 100644
index 000000000..95fb11022
--- /dev/null
+++ b/compiler/service.nim
@@ -0,0 +1,71 @@
+#
+#
+# The Nimrod Compiler
+# (c) Copyright 2012 Andreas Rumpf
+#
+# See the file "copying.txt", included in this
+# distribution, for details about the copyright.
+#
+
+## Implements the "compiler as a service" feature.
+
+import
+ sockets,
+ times, commands, options, msgs, nimconf,
+ extccomp, strutils, os, platform, main, parseopt
+
+# We cache modules and the dependency graph. However, we don't check for
+# file changes but expect the client to tell us about them, otherwise the
+# repeated CRC calculations may turn out to be too slow.
+
+var
+ arguments: string = "" # the arguments to be passed to the program that
+ # should be run
+
+proc ProcessCmdLine(pass: TCmdLinePass, cmd: string) =
+ # XXX remove duplication with nimrod.nim
+ var p = parseopt.initOptParser(cmd)
+ var argsCount = 0
+ while true:
+ parseopt.next(p)
+ case p.kind
+ of cmdEnd: break
+ of cmdLongOption, cmdShortOption:
+ # hint[X]:off is parsed as (p.key = "hint[X]", p.val = "off")
+ # we fix this here
+ var bracketLe = strutils.find(p.key, '[')
+ if bracketLe >= 0:
+ var key = substr(p.key, 0, bracketLe - 1)
+ var val = substr(p.key, bracketLe + 1) & ':' & p.val
+ ProcessSwitch(key, val, pass, gCmdLineInfo)
+ else:
+ ProcessSwitch(p.key, p.val, pass, gCmdLineInfo)
+ of cmdArgument:
+ if argsCount == 0:
+ options.command = p.key
+ else:
+ if pass == passCmd1: options.commandArgs.add p.key
+ if argsCount == 1:
+ # support UNIX style filenames anywhere for portable build scripts:
+ options.gProjectName = unixToNativePath(p.key)
+ arguments = cmdLineRest(p)
+ break
+ inc argsCount
+
+ if pass == passCmd2:
+ if optRun notin gGlobalOptions and arguments != "":
+ rawMessage(errArgsNeedRunOption, [])
+
+proc serve*(action: proc (){.nimcall.}) =
+ var server = Socket()
+ let p = getConfigVar("server.port")
+ let port = if p.len > 0: parseInt(p).TPort else: 6000.TPort
+ server.bindAddr(port, getConfigVar("server.address"))
+ var inp = "".TaintedString
+ server.listen()
+ while true:
+ var client = InvalidSocket
+ accept(server, client)
+ discard client.recvLine(inp)
+ processCmdLine(passCmd2, inp.string)
+ action()
diff --git a/compiler/suggest.nim b/compiler/suggest.nim
index daecf44b8..d33f9a7bd 100755
--- a/compiler/suggest.nim
+++ b/compiler/suggest.nim
@@ -18,6 +18,11 @@ const
sectionContext = "con"
sectionUsage = "use"
+proc SuggestWriteln(s: string) =
+ if gSilence == 0:
+ Writeln(stdout, s)
+
+
proc SymToStr(s: PSym, isLocal: bool, section: string, li: TLineInfo): string =
result = section
result.add(sep)
@@ -51,7 +56,7 @@ proc fieldVisible*(c: PContext, f: PSym): bool {.inline.} =
proc suggestField(c: PContext, s: PSym, outputs: var int) =
if filterSym(s) and fieldVisible(c, s):
- OutWriteln(SymToStr(s, isLocal=true, sectionSuggest))
+ SuggestWriteln(SymToStr(s, isLocal=true, sectionSuggest))
inc outputs
when not defined(nimhygiene):
@@ -62,7 +67,7 @@ template wholeSymTab(cond, section: expr) {.immediate.} =
for item in items(c.tab.stack[i]):
let it {.inject.} = item
if cond:
- OutWriteln(SymToStr(it, isLocal = i > ModuleTablePos, section))
+ SuggestWriteln(SymToStr(it, isLocal = i > ModuleTablePos, section))
inc outputs
proc suggestSymList(c: PContext, list: PNode, outputs: var int) =
@@ -120,7 +125,7 @@ proc suggestEverything(c: PContext, n: PNode, outputs: var int) =
for i in countdown(c.tab.tos-1, 1):
for it in items(c.tab.stack[i]):
if filterSym(it):
- OutWriteln(SymToStr(it, isLocal = i > ModuleTablePos, sectionSuggest))
+ SuggestWriteln(SymToStr(it, isLocal = i > ModuleTablePos, sectionSuggest))
inc outputs
proc suggestFieldAccess(c: PContext, n: PNode, outputs: var int) =
@@ -134,12 +139,12 @@ proc suggestFieldAccess(c: PContext, n: PNode, outputs: var int) =
# all symbols accessible, because we are in the current module:
for it in items(c.tab.stack[ModuleTablePos]):
if filterSym(it):
- OutWriteln(SymToStr(it, isLocal=false, sectionSuggest))
+ SuggestWriteln(SymToStr(it, isLocal=false, sectionSuggest))
inc outputs
else:
for it in items(n.sym.tab):
if filterSym(it):
- OutWriteln(SymToStr(it, isLocal=false, sectionSuggest))
+ SuggestWriteln(SymToStr(it, isLocal=false, sectionSuggest))
inc outputs
else:
# fallback:
@@ -224,15 +229,15 @@ var
proc findUsages(node: PNode, s: PSym) =
if usageSym == nil and isTracked(node.info, s.name.s.len):
usageSym = s
- OutWriteln(SymToStr(s, isLocal=false, sectionUsage))
+ SuggestWriteln(SymToStr(s, isLocal=false, sectionUsage))
elif s == usageSym:
if lastLineInfo != node.info:
- OutWriteln(SymToStr(s, isLocal=false, sectionUsage, node.info))
+ SuggestWriteln(SymToStr(s, isLocal=false, sectionUsage, node.info))
lastLineInfo = node.info
proc findDefinition(node: PNode, s: PSym) =
if isTracked(node.info, s.name.s.len):
- OutWriteln(SymToStr(s, isLocal=false, sectionDef))
+ SuggestWriteln(SymToStr(s, isLocal=false, sectionDef))
quit(0)
proc suggestSym*(n: PNode, s: PSym) {.inline.} =
diff --git a/doc/nimrodc.txt b/doc/nimrodc.txt
index 7b969c3bb..117d226a6 100755
--- a/doc/nimrodc.txt
+++ b/doc/nimrodc.txt
@@ -159,6 +159,7 @@ Define Effect
systems. See the documentation of the `gc `_
for further information.
``nodejs`` The EcmaScript target is actually ``node.js``.
+``ssl`` Enables OpenSSL support for the sockets module.
================== =========================================================
diff --git a/doc/tut1.txt b/doc/tut1.txt
index 833d364df..c6e4edb82 100755
--- a/doc/tut1.txt
+++ b/doc/tut1.txt
@@ -16,10 +16,10 @@ Introduction
-This document is a tutorial for the programming language *Nimrod*. After this
-tutorial you will have a decent knowledge of Nimrod. This tutorial assumes
-that you are familiar with basic programming concepts like variables, types
-or statements.
+This document is a tutorial for the programming language *Nimrod*.
+This tutorial assumes that you are familiar with basic programming concepts
+like variables, types or statements but is kept very basic. The manual
+contains many more examples of the advanced language features.
@@ -593,7 +593,7 @@ caller, a ``var`` parameter can be used:
In the example, ``res`` and ``remainder`` are `var parameters`.
Var parameters can be modified by the procedure and the changes are
-visible to the caller. Note that the above example would better make usage of
+visible to the caller. Note that the above example would better make use of
a tuple as a return value instead of using var parameters.
diff --git a/doc/tut2.txt b/doc/tut2.txt
index 3882296be..149d444f0 100755
--- a/doc/tut2.txt
+++ b/doc/tut2.txt
@@ -16,7 +16,9 @@ Introduction
This document is a tutorial for the advanced constructs of the *Nimrod*
-programming language.
+programming language. **Note that this document is somewhat obsolete as
+the `manual `_ contains many more examples of the advanced
+language features.**
Pragmas
diff --git a/lib/system/alloc.nim b/lib/system/alloc.nim
index 82755ca86..d6093c5b1 100755
--- a/lib/system/alloc.nim
+++ b/lib/system/alloc.nim
@@ -729,7 +729,8 @@ template InstantiateForRegion(allocator: expr) =
proc interiorAllocatedPtr*(p: pointer): pointer =
result = interiorAllocatedPtr(allocator, p)
- proc isAllocatedPtr*(p: pointer): bool =
+ proc isAllocatedPtr*(p: pointer): bool =
+ let p = cast[pointer](cast[TAddress](p)-%TAddress(sizeof(TCell)))
result = isAllocatedPtr(allocator, p)
proc deallocOsPages = deallocOsPages(allocator)
diff --git a/packages/docutils/rst.nim b/packages/docutils/rst.nim
index 333ef11d9..debbd2520 100755
--- a/packages/docutils/rst.nim
+++ b/packages/docutils/rst.nim
@@ -818,7 +818,7 @@ proc getDirective(p: var TRstParser): string =
proc parseComment(p: var TRstParser): PRstNode =
case p.tok[p.idx].kind
of tkIndent, tkEof:
- if p.tok[p.idx + 1].kind == tkIndent:
+ if p.tok[p.idx].kind != tkEof and p.tok[p.idx + 1].kind == tkIndent:
inc(p.idx) # empty comment
else:
var indent = p.tok[p.idx].ival
@@ -1348,9 +1348,20 @@ proc parseSectionWrapper(p: var TRstParser): PRstNode =
while (result.kind == rnInner) and (len(result) == 1):
result = result.sons[0]
+proc `$`(t: TToken): string =
+ result = $t.kind & ' ' & (if isNil(t.symbol): "NIL" else: t.symbol)
+
proc parseDoc(p: var TRstParser): PRstNode =
result = parseSectionWrapper(p)
- if p.tok[p.idx].kind != tkEof: rstMessage(p, meGeneralParseError)
+ if p.tok[p.idx].kind != tkEof:
+ when false:
+ assert isAllocatedPtr(cast[pointer](p.tok))
+ for i in 0 .. high(p.tok):
+ assert isNil(p.tok[i].symbol) or
+ isAllocatedPtr(cast[pointer](p.tok[i].symbol))
+ echo "index: ", p.idx, " length: ", high(p.tok), "##",
+ p.tok[p.idx-1], p.tok[p.idx], p.tok[p.idx+1]
+ rstMessage(p, meGeneralParseError)
type
TDirFlag = enum
diff --git a/readme.txt b/readme.txt
index e2ac5c7c4..c4d3b2ba7 100755
--- a/readme.txt
+++ b/readme.txt
@@ -11,7 +11,7 @@ can be used to create domain specific languages.
*Nimrod* is a compiled, garbage-collected systems programming language
which has an excellent productivity/performance ratio. Nimrod's design
-focuses on the 3E: efficiency, expressiveness, elegance (in the order of
+focuses on efficiency, expressiveness, elegance (in the order of
priority).
See the file ``install.txt`` for installation instructions. See the file
diff --git a/web/index.txt b/web/index.txt
index 26725ffe9..03f11ed49 100755
--- a/web/index.txt
+++ b/web/index.txt
@@ -8,23 +8,20 @@ Home
-- D. E. Knuth
-**This page is about the Nimrod programming language, which combines Lisp's
-power with Python's readability and C's performance.**
+**Nimrod combines Lisp's power with Python's readability and C's performance.**
Welcome to Nimrod
-----------------
-**Nimrod** is a new statically typed, imperative
-programming language, that supports procedural, object oriented, functional
-and generic programming styles while remaining simple and efficient.
-A special feature that Nimrod inherited from Lisp is that Nimrod's abstract
-syntax tree (*AST*) is part of the specification - this allows a powerful
-macro system which allows domain specific languages.
-
-Nimrod is a compiled, garbage-collected systems programming language
-which has an excellent productivity/performance ratio. Nimrod's design
-focuses on the 3E: efficiency, expressiveness, elegance (in the order of
-priority).
+**Nimrod** is a statically typed, imperative programming language that tries to
+give the programmer ultimate power without compromises on runtime efficiency.
+This means it focuses on compile-time mechanisms in all their
+various forms. Beneath a nice infix/indentation based syntax with a
+powerful (AST based, hygienic) macro system lies a semantic model that supports
+a soft realtime GC on thread local heaps. Asynchronous message passing is used
+between threads, so no "stop the world" mechanism is necessary. An unsafe
+shared memory heap is also provided for the increased efficiency that results
+from that model.
.. container:: snippet
@@ -33,7 +30,8 @@ priority).
.. code-block:: nimrod
import strutils
- echo "Type in a list of ints of ints (separate by whitespace): "
+ # Prints the maximum integer from a list of integers
+ # delimited by whitespace read from stdin.
let tokens = stdin.readLine.split
echo tokens.each(parseInt).max, " is the maximum."
diff --git a/web/question.txt b/web/question.txt
index ffa26a364..46cbb4f88 100755
--- a/web/question.txt
+++ b/web/question.txt
@@ -9,13 +9,15 @@ General
What is Nimrod?
---------------
-Nimrod is a new statically typed, imperative
-programming language, that supports procedural, functional, object oriented and
-generic programming styles while remaining simple and efficient. A special
-feature that Nimrod inherited from Lisp is that Nimrod's abstract syntax tree
-(*AST*) is part of the specification - this allows a powerful macro system which
-can be used to create domain specific languages. Nimrod does not sacrifice
-flexibility for speed. You get both.
+Nimrod is a statically typed, imperative programming language that tries to
+give the programmer ultimate power without compromises on runtime efficiency.
+This means it focuses on compile-time mechanisms in all their
+various forms. Beneath a nice infix/indentation based syntax with a
+powerful (AST based, hygienic) macro system lies a semantic model that supports
+a soft realtime GC on thread local heaps. Asynchronous message passing is used
+between threads, so no "stop the world" mechanism is necessary. An unsafe
+shared memory heap is also provided for the increased efficiency that results
+from that model.
..
Don't give me that marketing crap. What is Nimrod?