105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
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#ifndef __compile_H
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#define __compile_H
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/*
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* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#if !defined(WINNT)
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#ident "$Id: compile.h,v 1.1 2001/03/11 00:29:38 steve Exp $"
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#endif
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# include <stdio.h>
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/*
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* The functions described here are the compile time support
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* functions. Various bits of the compile process are taken care of
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* here. What is called when is mostly controlled by the parser.
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*
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* Before compilation takes place, the compile_init function must be
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* called once to set stuff up.
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*/
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extern void compile_init(void);
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extern void compile_cleanup(void);
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/*
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* This function is called by the parser to compile a functor
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* statement. The strings passed in are allocated by the lexor, but
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* this function will free them. (Or save them permanently.) This
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* includes the argv array and the strings it references.
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*
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* The argc and argv are a list of char* that are the port paramters
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* of the functor. The compile should match those port parameters up
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* to existing functors to manage the linking.
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*/
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extern void compile_functor(char*label, char*type,
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unsigned argc, char**argv);
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/*
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* A code statement is a label, an opcode and up to 3 operands. There
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* are a few lexical types that the parser recognizes of the operands,
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* given by the ltype_e enumeration. The compile_code function takes
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* the label, mnemonic and parsed operands and writes a properly
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* formed instruction into the code space. The label is set into the
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* symbol table with the address of the instruction.
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*/
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#define OPERAND_MAX 3
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enum ltype_e { L_NUMB, L_TEXT };
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struct comp_operands_s {
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unsigned argc;
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struct {
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enum ltype_e ltype;
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union {
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unsigned long numb;
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char*text;
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};
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} argv[OPERAND_MAX];
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};
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typedef struct comp_operands_s*comp_operands_t;
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extern void compile_code(char*label, char*mnem, comp_operands_t opa);
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/*
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* The parser uses this function to declare a thread. The start_sym is
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* the start instruction, and must already be defined.
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*/
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extern void compile_thread(char*start_sym);
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/*
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* This function is called to create a var bit with the given name.
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*/
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extern void compile_variable(char*label);
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/*
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* This is a diagnostic aid. Dump all the compiler tables to the file
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* descriptor in a readable form.
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*/
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extern void compile_dump(FILE*fd);
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/*
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* $Log: compile.h,v $
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* Revision 1.1 2001/03/11 00:29:38 steve
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* Add the vvp engine to cvs.
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*
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*/
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#endif
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