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non-nil AST; continue after errors for IDE support

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Araq 2011-02-12 19:24:20 +01:00
commit 5b28d08203
84 changed files with 678 additions and 722 deletions
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26
rod/passes.nim
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@ -1,7 +1,7 @@
#
#
# The Nimrod Compiler
# (c) Copyright 2010 Andreas Rumpf
# (c) Copyright 2011 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
@ -25,9 +25,9 @@ type
close: proc (p: PPassContext, n: PNode): PNode,
process: proc (p: PPassContext, topLevelStmt: PNode): PNode]
# a pass is a tuple of procedure vars ``TPass.close`` may produce additional
# a pass is a tuple of procedure vars ``TPass.close`` may produce additional
# nodes. These are passed to the other close procedures.
# This mechanism is needed for the instantiation of generics.
# This mechanism used to be used for the instantiation of generics.
proc registerPass*(p: TPass)
proc initPass*(p: var TPass)
@ -37,11 +37,6 @@ proc initPass*(p: var TPass)
# whole program optimizations. For now, we avoid it to save a lot of memory.
proc processModule*(module: PSym, filename: string, stream: PLLStream,
rd: PRodReader)
proc astNeeded*(s: PSym): bool
# The ``rodwrite`` module uses this to determine if the body of a proc
# needs to be stored. The passes manager frees s.sons[codePos] when
# appropriate to free the procedure body's memory. This is important
# to keep memory usage down.
# the semantic checker needs these:
var
@ -50,10 +45,21 @@ var
# implementation
proc astNeeded(s: PSym): bool =
proc skipCodegen*(n: PNode): bool {.inline.} =
# can be used by codegen passes to determine whether they should do
# something with `n`. Currently, this ignores `n` and uses the global
# error count instead.
result = msgs.gErrorCounter > 0
proc astNeeded*(s: PSym): bool =
# The ``rodwrite`` module uses this to determine if the body of a proc
# needs to be stored. The passes manager frees s.sons[codePos] when
# appropriate to free the procedure body's memory. This is important
# to keep memory usage down.
if (s.kind in {skMethod, skProc}) and
({sfCompilerProc, sfCompileTime} * s.flags == {}) and
(s.typ.callConv != ccInline) and (s.ast.sons[genericParamsPos] == nil):
(s.typ.callConv != ccInline) and
(s.ast.sons[genericParamsPos].kind == nkEmpty):
result = false
else:
result = true