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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(asis) { out<<env.arg(0)->expr; }
TOK_IMPL(mute) {}
TOK_IMPL(comment) {}
///////////////////////////////////////////////////
TOK_IMPL(cond) {
Cond(*env.toks,env[0],env[1],tok_t::PUBLIC);
}
TOK_IMPL(global) {
Global(*env.toks,env[0],env[1],tok_t::PUBLIC);
}
TOK_IMPL(const) {
Const(*env.toks,env[0],env[1],tok_t::PUBLIC);
}
TOK_IMPL(reconst) {
Const(*env.toks,env[0],env[1],tok_t::PUBLIC,1);
}
///////////////////////////////////////////////////
TOK_IMPL(type) {
tok_t* p=env.toks->get(env[0]);
if(env.is_clear(p)) out<<p->mod;
}
TOK_IMPL(desc) {
tok_t* p=env.toks->get(env[0]);
if(env.is_clear(p)) out<<Desc(*p);
}
TOK_IMPL(expr) {
tok_t* p=env.toks->get(env[0]);
if(env.is_clear(p)&&p->is_func()) ((func_t*)p)->x.trav(out,12);
}
TOK_IMPL(clear) {
ClearToken(*env.toks,env[0]);
}
//////////////////////////////////////////////////////
TOK_IMPL(exist) { out<<env.glob_find(env[0]); }
TOK_IMPL(nexist) { out<<!env.glob_find(env[0]); }
TOK_IMPL(empty) { out<<env.glob(env[0]).empty(); }
TOK_IMPL(nempty) { out<<env.glob(env[0]).nempty(); }
///////////////////////////////////////////////////
TOK_IMPL(export) {
rpile list; env.gloc_list(list,env[1]);
int n=*env[1]=='@'?env[1].size()-1:env[1].size();
for(int i=0;i<list.size();i++)
Global(*env.toks,env[0]+list[i].right(n),env.gloc(list[i]),tok_t::PUBLIC);
}
TOK_IMPL(import) {
if(*env[0]=='@') env.glob_adb(env[0].popf(),env[1]);
else {
rpile list; env.glob_list(list,env[1]);
for(int i=0;i<list.size();i++)
env.aloc(env[0]+list[i].right(env[1].size()),env.glob(list[i]));
}
}
TOK_IMPL(list) {
mstring fx; env.parg(fx,-1);
rpile list; env.gloc_list(list,fx);
int n=*fx=='@'?fx.size()-1:fx.size();
for(int i=0;i<list.size();i++) out<<list[i].right(n)<<"\n";
}
TOK_IMPL(globlist) {
mstring fx; env.parg(fx,-1);
rpile list; env.glob_list(list,fx);
int n=*fx=='@'?fx.size()-1:fx.size();
for(int i=0;i<list.size();i++) out<<list[i].right(n)<<"\n";
}
TOK_IMPL(lrec) {
sref name=env[0],first,rest=env[1];
mstring init; env.parg(init,-1);
while(Split(first,rest)) env.aloc(name+first,init);
}
///////////////////////////////////////////////////
TOK_IMPL(arg) { if(env.up) env.up->parg(out,atoi(env[0])-1); }
TOK_IMPL(args) { if(env.up) out<<env.up->args; else out<<0; }
///////////////////////////////////////////////////
TOK_IMPL(random) {
out<<Random(atoi(env[0]));
}
//////////////////////////////////////////////////////
void envAddBasic(tokmap& T)
{
TOK_ADD(asis,"r",tok_t::PUBLIC,
"%Display body as is\n"
"%Syntax: \\asis{body}\n"
);
TOK_ADD(mute,"x",tok_t::PUBLIC,
"%Evaluate but don't display\n"
"%Syntax: \\mute{body}\n"
);
T.add(new binary_t(sref("*"),
sref("%Commentary - don't show or evaluate body\n"
"%Syntax: \\*{body}\n"),
tok_t::PUBLIC,sref("r"),impl_comment),0,1);
//////////////////////////////////////////////////////
TOK_ADD(global,"xx",tok_t::PUBLIC,
"%Set global variable\n"
"%Syntax: \\global{varname}{expr}\n"
);
TOK_ADD(cond,"xx",tok_t::PUBLIC,
"%Set global variable if not already defined\n"
"%Syntax: \\cond{varname}{expr}\n"
);
TOK_ADD(const,"xx",tok_t::PUBLIC,
"%Set global constant\n"
"%Syntax: \\cond{varname}{expr}\n"
"%\n"
"%Generates an error if already defined\n"
);
TOK_ADD(reconst,"xx",tok_t::PRIVATE,
"%Redefine global constant\n"
"%Syntax: \\cond{varname}{expr}\n"
"%\n"
"%Takes precedence over any existing constant\n"
);
//////////////////////////////////////////////////////
TOK_ADD(type,"x",tok_t::PRIVATE,
"%Show variable type\n"
"%Syntax: \\type{varname}\n"
"%\n"
"%The type is an integer bit-field consisting of:\n"
"%\n"
"%1 CONSTANT\n"
"%2 RESTRICT\n"
"%4 NORMAL\n"
"%8 SYSONLY\n"
"%16 INIT\n"
"%32 RUNNABLE\n"
"%64 FUNCTION\n"
"%128 BINARY\n"
"%\n"
"%The access modes consists of\n"
"%\n"
"%INIT\n"
"%SYSONLY\n"
"%PRIVATE = NORMAL|SYSONLY\n"
"%PUBLIC = PRIVATE|RESTRICT\n"
"%\n"
"%Those values are matched against the running modes\n"
"%to determine access. See run.\n"
);
TOK_ADD(desc,"x",tok_t::PRIVATE,
"%Show variable description\n"
"%Syntax: \\desc{varname}\n"
"%\n"
"%Collects all lines starting with %.\n"
);
TOK_ADD(expr,"x",tok_t::PRIVATE,
"%Show the expression tree of function\n"
"%Syntax: \\expr{varname}\n"
"%\n"
"%If desc is a function, the expression tree is shown.\n"
"%Mostly interesting for real expression, i.e., when the\n"
"%function body was defined within parenthesis.\n"
);
TOK_ADD(clear,"x",tok_t::SYSONLY,
"%Clear variables\n"
"%Syntax: \\clear{partial varname}\n"
"%\n"
"%Clears all global variables on the current level\n"
"%beginning with the partial variable name.\n"
);
//////////////////////////////////////////////////////
TOK_ADD(exist,"x",tok_t::PUBLIC,
"%True if variable exist\n"
"%Syntax: \\exist{varname}\n"
);
TOK_ADD(nexist,"x",tok_t::PUBLIC,
"%True if variable does not exist\n"
"%Syntax: \\nexist{varname}\n"
);
TOK_ADD(empty,"x",tok_t::PUBLIC,
"%True if variable is empty\n"
"%Syntax: \\empty{varname}\n"
"%\n"
"%Generates an error if varname does not exist.\n"
);
TOK_ADD(nempty,"x",tok_t::PUBLIC,
"%True if variable is non-empty\n"
"%Syntax: \\nempty{varname}\n"
"%\n"
"%Generates an error if varname does not exist.\n"
);
//////////////////////////////////////////////////////
TOK_ADD(export,"xx",tok_t::SYSONLY,
"%Export local variables\n"
"%Syntax: \\export{global partial name}{local partial name}\n"
"%\n"
"%Copies a sequence of local variables, beginning with the\n"
"%local partial name, from the same - not nescessarily the current -\n"
"%local stack into a set of global variables beginning with\n"
"%the global partial name.\n"
"%\n"
"%Copies all local variables in the current stack if no\n"
"%partial name is given.\n"
"%\n"
"%Copies all variables in the current database record\n"
"%if the partial name @ is given.\n"
);
TOK_ADD(import,"xx",tok_t::SYSONLY,
"%Import global variables\n"
"%Syntax: \\import{local partial name}{global partial name}\n"
"%\n"
"%Copies a sequence of global variables, beginning with the\n"
"%global partial name, from the same - not nescessarily the\n"
"%current - global level into a set of local variables beginning\n"
"%with the local partial name.\n"
"%\n"
"%Copies all global variables on the current level if no\n"
"%partial name is given.\n"
"%\n"
"%Creates a new or updates an existing database record if\n"
"%the partial name @ is given.\n"
);
TOK_ADD(list,"?",tok_t::PUBLIC,
"%List local variables\n"
"%Syntax: \\list<partial name>\n"
"%\n"
"%Generates a list of names, beginning with the partial name,\n"
"%from the same - not nescessarily the current - local stack.\n"
"%\n"
"%Generates all local variables in the current stack if no\n"
"%partial name is given.\n"
"%\n"
"%Generates a list of tables if @ is given.\n"
);
TOK_ADD(globlist,"?",tok_t::PUBLIC,
"%List global variables\n"
"%Syntax: \\globlist<partial name>\n"
"%\n"
"%Generates a list of names, beginning with the partial name,\n"
"%from the same - not nescessarily the current - global level.\n"
"%\n"
"%Generates all global variables on the current level if no\n"
"%partial name is given.\n"
);
TOK_ADD(lrec,"xx?",tok_t::PUBLIC,
"%Create a local record\n"
"%Syntax: \\lrec{partial name}{name list}<init>\n"
"%\n"
"%Creates a set of local variables, all beginning with the\n"
"%partial name, and initializes each variable to init.\n"
);
//////////////////////////////////////////////////////
TOK_ADD(arg,"x",tok_t::PUBLIC,
"%Show/Evaluate argument #n.\n"
"%Syntax: \\arg{n}\n"
"%\n"
"%Same as the command \\1, \\2 etc, except this\n"
"%may be used to index the arguments e.g. using local variables.\n"
);
TOK_ADD(args,"",tok_t::PUBLIC,
"%Number of arguments in the current function\n"
"%Syntax: \\args\n"
"%\n"
"%Note that the optional argument will count as one variable,\n"
"%and may be accesed using either \\0 or \\arg{\\args}.\n"
);
//////////////////////////////////////////////////////
TOK_ADD(random,"x",tok_t::PRIVATE,
"%Get n random digits between 0 and 9 inclusive\n"
"%Syntax: \\random{n}\n"
);
}
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