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This file implements the new evaluation engine for Nim code. An instruction is 1-3 int32s in memory, it is a register based VM.

Procs

proc evalConstExpr(module: PSym; idgen: IdGenerator; g: ModuleGraph; e: PNode): PNode {....raises: [
    Exception, ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect,
    TimeEffect, ExecIOEffect], forbids: [].}
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proc evalExpr(c: PCtx; n: PNode): PNode {....raises: [Exception, ValueError,
    KeyError, OSError, IOError, ERecoverableError], tags: [RootEffect,
    ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect, TimeEffect,
    ExecIOEffect], forbids: [].}
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proc evalMacroCall(module: PSym; idgen: IdGenerator; g: ModuleGraph;
                   templInstCounter: ref int; n, nOrig: PNode; sym: PSym): PNode {....raises: [
    Exception, ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect,
    TimeEffect, ExecIOEffect], forbids: [].}
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proc evalStaticExpr(module: PSym; idgen: IdGenerator; g: ModuleGraph; e: PNode;
                    prc: PSym): PNode {....raises: [Exception, ValueError,
    KeyError, OSError, IOError, ERecoverableError], tags: [RootEffect,
    ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect, TimeEffect,
    ExecIOEffect], forbids: [].}
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proc evalStaticStmt(module: PSym; idgen: IdGenerator; g: ModuleGraph; e: PNode;
                    prc: PSym) {....raises: [Exception, ValueError, KeyError,
    OSError, IOError, ERecoverableError], tags: [RootEffect, ReadDirEffect,
    WriteIOEffect, ReadIOEffect, ReadEnvEffect, TimeEffect, ExecIOEffect],
                                 forbids: [].}
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proc evalStmt(c: PCtx; n: PNode) {....raises: [Exception, ValueError, KeyError,
    OSError, IOError, ERecoverableError], tags: [RootEffect, ReadDirEffect,
    WriteIOEffect, ReadIOEffect, ReadEnvEffect, TimeEffect, ExecIOEffect],
                                   forbids: [].}
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proc execProc(c: PCtx; sym: PSym; args: openArray[PNode]): PNode {....raises: [
    Exception, ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect,
    TimeEffect, ExecIOEffect], forbids: [].}
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proc getBool(a: VmArgs; i: Natural): bool {....raises: [], tags: [], forbids: [].}
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proc getFloat(a: VmArgs; i: Natural): BiggestFloat {....raises: [], tags: [],
    forbids: [].}
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proc getGlobalValue(c: PCtx; s: PSym): PNode {....raises: [Exception, ValueError,
    KeyError, OSError, IOError, ERecoverableError], tags: [RootEffect,
    ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect], forbids: [].}
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proc getInt(a: VmArgs; i: Natural): BiggestInt {....raises: [], tags: [],
    forbids: [].}
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proc getNode(a: VmArgs; i: Natural): PNode {....raises: [], tags: [], forbids: [].}
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proc getNodeAddr(a: VmArgs; i: Natural): PNode {....raises: [], tags: [],
    forbids: [].}
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proc getString(a: VmArgs; i: Natural): string {....raises: [], tags: [],
    forbids: [].}
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proc getVar(a: VmArgs; i: Natural): PNode {....raises: [], tags: [], forbids: [].}
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proc interpreterCode(c: PPassContext; n: PNode): PNode {....raises: [Exception,
    ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect,
    TimeEffect, ExecIOEffect], forbids: [].}
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proc numArgs(a: VmArgs): int {....raises: [], tags: [], forbids: [].}
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proc registerAdditionalOps(c: PCtx) {....raises: [], tags: [], forbids: [].}
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proc setGlobalValue(c: PCtx; s: PSym; val: PNode) {....raises: [Exception,
    ValueError, KeyError, OSError, IOError, ERecoverableError], tags: [
    RootEffect, ReadDirEffect, WriteIOEffect, ReadIOEffect, ReadEnvEffect],
    forbids: [].}
Does not do type checking so ensure the val matches the s.typ Source   Edit  
proc setResult(a: VmArgs; n: PNode) {....raises: [], tags: [], forbids: [].}
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proc setResult(a: VmArgs; v: (BiggestInt, BiggestInt)) {....raises: [], tags: [],
    forbids: [].}
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proc setResult(a: VmArgs; v: AbsoluteDir) {....raises: [], tags: [], forbids: [].}
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proc setResult(a: VmArgs; v: BiggestFloat) {....raises: [], tags: [], forbids: [].}
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proc setResult(a: VmArgs; v: BiggestInt) {....raises: [], tags: [], forbids: [].}
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proc setResult(a: VmArgs; v: bool) {....raises: [], tags: [], forbids: [].}
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proc setResult(a: VmArgs; v: seq[string]) {....raises: [], tags: [], forbids: [].}
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proc setResult(a: VmArgs; v: string) {....raises: [], tags: [], forbids: [].}
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proc setupCompileTimeVar(module: PSym; idgen: IdGenerator; g: ModuleGraph;
                         n: PNode) {....raises: [Exception, ValueError, KeyError,
    OSError, IOError, ERecoverableError], tags: [RootEffect, ReadDirEffect,
    WriteIOEffect, ReadIOEffect, ReadEnvEffect, TimeEffect, ExecIOEffect],
                                     forbids: [].}
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proc setupEvalGen(graph: ModuleGraph; module: PSym; idgen: IdGenerator): PPassContext {.
    ...raises: [], tags: [], forbids: [].}
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proc setupGlobalCtx(module: PSym; graph: ModuleGraph; idgen: IdGenerator) {.
    ...raises: [], tags: [], forbids: [].}
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Iterators

iterator genericParamsInMacroCall(macroSym: PSym; call: PNode): (PSym, PNode) {.
    ...raises: [], tags: [], forbids: [].}
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