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/*************************************************************************
*
* HTCd - Copyright (C) 1998-2006 Henrik Rydberg
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <lang/env.h>
TOK_IMPL(help) {
out<<"HTC/1.2 - HyperText Compiler (H. Rydberg (C) 1998,1999,2000,2001)\n";
out<<"\n";
out<<"Try these commands:\n";
out<<"\\help - This message\n";
out<<"\\ops - List all operators\n";
out<<"\\ops{op} - Get info on operator\n";
out<<"\\tok - List all tokens\n";
out<<"\\tok{tok} - Get info on token\n";
out<<"\\src{tok} - View token source\n";
}
TOK_IMPL(ops) {
mstring cmd; env.parg(cmd,-1);
if(cmd.nempty()) {
out<<cmd<<"\n";
const op_t* p=env.ops->get(cmd);
if(p) {
if(p->pre1) out<<"Unary operator, precedence "<<p->pre1<<"\n";
if(p->pre2) out<<"Binary operator, precedence "<<p->pre2<<"\n";
out<<"\n";
out<<p->desc;
}
else {
out<<"(not found)\n";
}
}
else {
mstring line;
line.convert("%-3s %-3s %s\n","P1","P2","NAME");
out<<line;
for(opmap::iterator p=env.ops->begin();p!=env.ops->end();p++) {
line.convert("%-3d %-3d %s\n",(*p)->pre1,(*p)->pre2,(*p)->name.c_str());
out<<line;
}
}
}
TOK_IMPL(tok) {
mstring cmd; env.parg(cmd,-1);
if(cmd.nempty()) {
out<<cmd<<"\n";
const tok_t* p=env.toks->get(cmd);
if(p) {
out<<"Mode: "<<Mode(*p)<<"\n";
if(p->mod&tok_t::RESTRICT) out<<"public ";
else if(p->mod&tok_t::NORMAL) out<<"normal ";
else if(p->mod&tok_t::SYSONLY) out<<"system ";
else if(p->mod&tok_t::INIT) out<<"init ";
if(p->is_runnable()) {
if(p->is_binary()) out<<"built-in ";
out<<"function\n";
}
else {
if(p->is_const()) out<<"constant"; else out<<"variable";
if(p->is_reference()) out<<" reference";
if(p->is_dbref()) out<<" database reference";
out<<"\n";
}
out<<"Usage: ";
if(p->is_runnable()) out<<*(func_t*)p; else out<<"\\"<<p->name;
out<<"\n";
if(p->is_runnable()) {
mstring desc=Desc(*p);
if(desc.nempty()) { out<<"\n"; out<<desc; }
}
}
else {
out<<"(not found)\n";
}
}
else {
mstring line;
int n=0;
for(tokmap* tok=env.toks;tok;tok=tok->up) {
line.convert("%-12s %s %d\n","MODE","NAME LEVEL",n);
out<<line;
for(tokmap::iterator p=tok->begin();p!=tok->end();p++) {
line.convert("%s %s\n",Mode(*(*p)).c_str(),(*p)->name.c_str());
out<<line;
}
n--;
}
}
}
TOK_IMPL(src) {
const tok_t* p=env.toks->get(env[0]);
if(!p) out<<env[0]<<" (not found)\n";
else {
if(p->is_runnable()) {
const func_t* ftok=(func_t*)p;
out<<"{"<<ftok->name<<"}{"<<ftok->arg<<"}";
if(p->is_binary()) out<<" (built-in function)\n";
else out<<"{"<<ftok->x.expr<<"}\n";
}
else out<<env[0]<<" (not a function)\n";
}
}
void envAddHelp(tokmap& T)
{
TOK_ADD(help,"",tok_t::PRIVATE,
"%Help message\n"
"%Syntax: \\help\n"
);
TOK_ADD(ops,"?",tok_t::PRIVATE,
"%Help on operators\n"
"%Syntax: \\ops<opname>\n"
);
TOK_ADD(tok,"?",tok_t::PRIVATE,
"%Help on tokens\n"
"%Syntax: \\tok<tokname>\n"
);
TOK_ADD(src,"x",tok_t::SYSONLY,
"%Source of token\n"
"%Syntax: \\src{tokname}\n"
);
}
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