view anagram/agcore/bpu.h @ 21:1c9dac05d040

Add lint-style FALLTHROUGH annotations to fallthrough cases. (in the parse engine and thus the output code) Document this, because the old output causes warnings with gcc10.
author David A. Holland
date Mon, 13 Jun 2022 00:04:38 -0400
parents 13d2b8934445
children
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/*
 * AnaGram, A System for Syntax Directed Programming
 * Copyright 1993-1999 Parsifal Software. All Rights Reserved.
 * See the file COPYING for license and usage terms.
 *
 * bpu.h - Utility routines for bpe3
 */

#ifndef BPU_H
#define BPU_H

#include "port.h"  // for PRINTFFY

class AgString;// from agstring.h
class Rule;    // from rule.h
class Token;   // from token.h


void           count_pe_line(const char *s, int k);
void     define_macro(const char *, const char *, ...) PRINTFFY(2,3);
void     define_macro_default(const char *, const char *, ...) PRINTFFY(2,3);
int            find_completions(int s, const unsigned **q);
void           find_key_tokens(const int *, int, int/* , int*/);
unsigned       find_token_number(const char *);
unsigned char *key_string(int tn);
Rule           ruleReducedBy(Token, unsigned sn);
void           select_actions(int);
void           select_write_fragment(const char *, const char *, const char *);
int            shift_token(unsigned, unsigned);
AgString       subs_template(const char *, const char *, const char);
void           template_string(const char *, const char *, const char);
int            wpe(const char *fs, ...) PRINTFFY(1,2);
int            wps(const char *s);
int            wss(void);

void           write_code_segment(const char *name);
AgString       code_segment(const char *name);

#endif /* BPU_H */