void ppCond::HandleDef(std::string &line, bool Else, bool negate, int lineno)
{
Tokenizer tk(line, NULL);
const Token *t = tk.Next();
if (!t->IsIdentifier())
{
Errors::Error("Identifier expected");
if (Else)
HandleElif(false,""); // FIXME 1st arg is bool!
else
HandleIf(false,"", lineno);// FIXME 1st arg is bool!
}
else
{
int v = !!define->Lookup(t->GetId());
if (asmpp && !v)
{
std::string one = UTF8::ToUpper(t->GetId());
Symbol *t = define->Lookup(one);
if (t)
{
ppDefine::Definition *p = static_cast<ppDefine::Definition *>(t);
v = p->IsCaseInsensitive();
}
}
if (negate)
v = !v;
if (Else)
HandleElif(v,tk.GetString());
else
HandleIf(v, tk.GetString(), lineno);
}
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool Peephole::ProcessBranching(Instruction* instr) {
switch(instr->GetOpcode()) {
case Instr_If: {
return HandleIf(instr->As<IfInstr>());
}
case Instr_Switch: {
return HandleSwitch(instr->As<SwitchInstr>());
}
}
return false;
}
void ppCond::HandleStr(std::string &line, bool Else, bool negate, int lineno)
{
define->Process(line);
Tokenizer tk(line, NULL);
const Token *t = tk.Next();
int v = t->IsString();
if (negate)
v = !v;
if (Else)
HandleElif(v, tk.GetString());
else
HandleIf(v, tk.GetString(), lineno);
}
void ppCond::HandleCtx(std::string &line, bool Else, bool negate, int lineno)
{
define->Process(line);
Tokenizer tk(line, NULL);
const Token *t = tk.Next();
int v = false; // FIXME
if (t->IsIdentifier())
{
v = ctx.Matches(t->GetId());
if (negate)
v = !v;
}
else
{
Errors::Error("Identifier expected");
}
if (Else)
HandleElif(v, tk.GetString());
else
HandleIf(v, tk.GetString(), lineno);
}
bool ppCond::Check(int token, const std::string &line, int lineno)
{
std::string line1 = line;
switch(token)
{
case ELSE:
HandleElse(line1);
break;
case ENDIF:
HandleEndIf(line1);
break;
case IF:
define->replaceDefined(line1);
define->Process(line1);
HandleIf(expr.Eval(line1), line1, lineno);
break;
case ELIF:
define->replaceDefined(line1);
define->Process(line1);
HandleElif(expr.Eval(line1), line1);
break;
case IFDEF:
HandleDef(line1, false, false, lineno);
break;
case IFNDEF:
HandleDef(line1, false, true, lineno);
break;
case ELIFDEF:
HandleDef(line1, true, false, lineno);
break;
case ELIFNDEF:
HandleDef(line1, true, true, lineno);
break;
case IFIDN:
HandleIdn(line1, false, false, true, lineno);
break;
case ELIFIDN:
HandleIdn(line1, true, false, true, lineno);
break;
case IFNIDN:
HandleIdn(line1, false, true, true, lineno);
break;
case ELIFNIDN:
HandleIdn(line1, true, true, true, lineno);
break;
case IFIDNI:
HandleIdn(line1, false, false, false, lineno);
break;
case ELIFIDNI:
HandleIdn(line1, true, false, false, lineno);
break;
case IFNIDNI:
HandleIdn(line1, false, true, false, lineno);
break;
case ELIFNIDNI:
HandleIdn(line1, true, true, false, lineno);
break;
case IFID:
HandleId(line1, false, false, lineno);
break;
case ELIFID:
HandleId(line1, true, false, lineno);
break;
case IFNID:
HandleId(line1, false, true, lineno);
break;
case ELIFNID:
HandleId(line1, true, true, lineno);
break;
case IFNUM:
HandleNum(line1, false, false, lineno);
break;
case ELIFNUM:
HandleNum(line1, true, false, lineno);
break;
case IFNNUM:
HandleNum(line1, false, true, lineno);
break;
case ELIFNNUM:
HandleNum(line1, true, true, lineno);
break;
case IFSTR:
HandleStr(line1, false, false, lineno);
break;
case ELIFSTR:
HandleStr(line1, true, false, lineno);
break;
case IFNSTR:
HandleStr(line1, false, true, lineno);
break;
case ELIFNSTR:
HandleStr(line1, true, true, lineno);
break;
case IFCTX:
HandleCtx(line1, false, false, lineno);
break;
case ELIFCTX:
HandleCtx(line1, true, false, lineno);
break;
case IFNCTX:
HandleCtx(line1, false, true, lineno);
break;
case ELIFNCTX:
HandleCtx(line1, true, true, lineno);
break;
default:
return current && current->skipping;
}
return true;
}
void ppCond::HandleIdn(std::string &line, bool Else, bool negate, bool caseSensitive, int lineno)
{
define->Process(line);
size_t n = line.find_first_of(',');
if (n == std::string::npos)
{
Errors::Error("Syntax error in string comparison directive");
if (Else)
HandleElif(false, ""); // FIXME 1st arg is bool!
else
HandleIf(false,"", lineno);// FIXME 1st arg is bool!
}
else
{
std::string line1 = line.substr(0, n);
line.erase(0, n+1);
n = line.find_first_not_of(" \t\v\n");
if (n && n != std::string::npos)
line.erase(0, n);
n = line.find_last_not_of(" \t\v\n");
if (n != std::string::npos && n != line.size()-1)
line.erase(n+1, line.size()-n-1);
n = line1.find_first_not_of(" \t\v\n");
if (n && n != std::string::npos)
line1.erase(0, n);
n = line1.find_last_not_of(" \t\v\n");
if (n != std::string::npos && n != line1.size()-1)
line1.erase(n+1, line1.size()-n-1);
int pos=0, pos1 = 0;
int z = 0;
if (!caseSensitive)
{
line = UTF8::ToUpper(line);
line1 = UTF8::ToUpper(line);
}
while (true)
{
if (line[pos] == ' ' || line[pos] == '\t' || line[pos] == '\v' || line[pos] == '\n')
{
z ^= 1;
pos = line.find_first_not_of(" \t\v\n", pos);
if (pos == std::string::npos)
pos = line.size();
}
if (line1[pos1] == ' ' || line1[pos1] == '\t' || line1[pos1] == '\v' || line1[pos1] == '\n')
{
z ^= 1;
pos1 = line1.find_first_not_of(" \t\v\n", pos);
if (pos1 == std::string::npos)
pos1 = line1.size();
}
if (z || pos == line.size() || pos1 == line1.size())
break;
if (line[pos] != line1[pos1])
break;
pos++, pos1++;
if (pos == line.size() || pos1 == line1.size())
break;
}
int v = !z && pos == line.size() && pos1 == line1.size();
if (negate)
v = !v;
if (Else)
HandleElif(v,"");
else
HandleIf(v, "", lineno);
}
}
