Пример #1
0
static bool
RenderFunctionBody(WasmRenderContext& c, AstFunc& func, const AstModule::SigVector& sigs)
{
    const AstSig* sig = sigs[func.sig().index()];

    size_t startExprIndex = c.maybeSourceMap ? c.maybeSourceMap->exprlocs().length() : 0;
    uint32_t startLineno = c.buffer.lineno();

    uint32_t argsNum = sig->args().length();
    uint32_t localsNum = func.vars().length();
    if (localsNum > 0) {
        if (!RenderIndent(c))
            return false;
        for (uint32_t i = 0; i < localsNum; i++) {
            if (!c.buffer.append("(local "))
                return false;
            const AstName& name = func.locals()[argsNum + i];
            if (!name.empty()) {
                if (!RenderName(c, name))
                    return false;
                if (!c.buffer.append(" "))
                    return false;
            }
            ValType local = func.vars()[i];
            if (!RenderValType(c, local))
                return false;
            if (!c.buffer.append(") "))
                return false;
        }
        if (!c.buffer.append("\n"))
            return false;
    }


    uint32_t exprsNum = func.body().length();
    for (uint32_t i = 0; i < exprsNum; i++) {
        if (!RenderExpr(c, *func.body()[i]))
            return false;
    }

    size_t endExprIndex = c.maybeSourceMap ? c.maybeSourceMap->exprlocs().length() : 0;
    uint32_t endLineno = c.buffer.lineno();

    if (c.maybeSourceMap) {
        if (!c.maybeSourceMap->functionlocs().emplaceBack(startExprIndex, endExprIndex,
                                                          startLineno, endLineno))
            return false;
    }

    return true;
}
Пример #2
0
static bool
RenderFunctionBody(WasmRenderContext& c, AstFunc& func, const AstModule::SigVector& sigs)
{
    const AstSig* sig = sigs[func.sig().index()];
    c.indent++;

    uint32_t argsNum = sig->args().length();
    uint32_t localsNum = func.vars().length();
    if (localsNum > 0) {
        if (!RenderIndent(c))
            return false;
        for (uint32_t i = 0; i < localsNum; i++) {
            if (!c.buffer.append("(local "))
                return false;
            const AstName& name = func.locals()[argsNum + i];
            if (!name.empty()) {
              if (!RenderName(c, name))
                  return false;
              if (!c.buffer.append(" "))
                  return false;
            }
            ValType local = func.vars()[i];
            if (!RenderValType(c, local))
                return false;
            if (!c.buffer.append(") "))
                return false;
        }
        if (!c.buffer.append("\n"))
            return false;
    }


    uint32_t exprsNum = func.body().length();
    for (uint32_t i = 0; i < exprsNum; i++) {
      if (!RenderFullLine(c, *func.body()[i]))
          return false;
    }

    c.indent--;

    return true;
}
Пример #3
0
static bool
RenderCodeSection(WasmRenderContext& c, const AstModule::FuncVector& funcs,
                  const AstModule::SigVector& sigs)
{
    uint32_t numFuncBodies = funcs.length();
    for (uint32_t funcIndex = 0; funcIndex < numFuncBodies; funcIndex++) {
        AstFunc* func = funcs[funcIndex];
        uint32_t sigIndex = func->sig().index();
        AstSig* sig = sigs[sigIndex];

        if (!RenderIndent(c))
            return false;
        if (!c.buffer.append("(func "))
            return false;
        if (!func->name().empty()) {
            if (!RenderName(c, func->name()))
                return false;
        }

        if (!RenderSignature(c, *sig, &(func->locals())))
            return false;
        if (!c.buffer.append("\n"))
            return false;

        c.currentFuncIndex = funcIndex;

        c.indent++;
        if (!RenderFunctionBody(c, *func, sigs))
            return false;
        c.indent--;
        if (!RenderIndent(c))
            return false;
        if (!c.buffer.append(")\n"))
            return false;
    }

    return true;
}