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| author | Araq <rumpf_a@web.de> | 2014-08-30 16:37:27 +0200 |
|---|---|---|
| committer | Araq <rumpf_a@web.de> | 2014-08-30 16:37:27 +0200 |
| commit | 1f85b3b5d3f8a9cf84fc5c03604ac3a7ea901d8c (patch) | |
| tree | 88799a003b88e742d8548a2965e9ef42b6ce2a3b /compiler/vmdef.nim | |
| parent | c40f981e647eef2fb558c462f1df10c61d250a97 (diff) | |
| download | Nim-1f85b3b5d3f8a9cf84fc5c03604ac3a7ea901d8c.tar.gz | |
VM supports math and a few os procs
Diffstat (limited to 'compiler/vmdef.nim')
| -rw-r--r-- | compiler/vmdef.nim | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/compiler/vmdef.nim b/compiler/vmdef.nim index e25fd6392..d7cdafb69 100644 --- a/compiler/vmdef.nim +++ b/compiler/vmdef.nim @@ -170,7 +170,12 @@ type sym*: PSym slots*: array[TRegister, tuple[inUse: bool, kind: TSlotKind]] maxSlots*: int - + + VmArgs* = object + ra*, rb*, rc*: Natural + slots*: pointer + VmCallback* = proc (args: VmArgs) {.closure.} + PCtx* = ref TCtx TCtx* = object of passes.TPassContext # code gen context code*: seq[TInstr] @@ -189,6 +194,7 @@ type traceActive*: bool loopIterations*: int comesFromHeuristic*: TLineInfo # Heuristic for better macro stack traces + callbacks*: seq[tuple[key: string, value: VmCallback]] TPosition* = distinct int @@ -198,12 +204,15 @@ proc newCtx*(module: PSym): PCtx = PCtx(code: @[], debug: @[], globals: newNode(nkStmtListExpr), constants: newNode(nkStmtList), types: @[], prc: PProc(blocks: @[]), module: module, loopIterations: MaxLoopIterations, - comesFromHeuristic: unknownLineInfo()) + comesFromHeuristic: unknownLineInfo(), callbacks: @[]) proc refresh*(c: PCtx, module: PSym) = c.module = module c.prc = PProc(blocks: @[]) +proc registerCallback*(c: PCtx; name: string; callback: VmCallback) = + c.callbacks.add((name, callback)) + const firstABxInstr* = opcTJmp largeInstrs* = { # instructions which use 2 int32s instead of 1: |