mirror of https://github.com/uffejakobsen/acme.git
66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
// ACME - a crossassembler for producing 6502/65c02/65816/65ce02 code.
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// Copyright (C) 1998-2020 Marco Baye
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// Have a look at "acme.c" for further info
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//
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// flow control stuff (loops, conditional assembly etc.)
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#ifndef flow_H
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#define flow_H
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#include <stdio.h>
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#include "config.h"
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struct block {
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int start; // line number of start of block
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char *body;
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};
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// struct to pass "!for" loop stuff from pseudoopcodes.c to flow.c
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struct for_loop {
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struct symbol *symbol;
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bits force_bit;
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boolean use_old_algo;
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struct {
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intval_t first,
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last,
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increment;
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int addr_refs; // address reference count
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} counter;
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struct block block;
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};
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// structs to pass "!do"/"!while" stuff from pseudoopcodes.c to flow.c
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struct condition {
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int line; // original line number
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boolean invert; // only set for UNTIL conditions
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char *body; // pointer to actual expression
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};
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struct do_while {
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struct condition head_cond;
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struct block block;
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struct condition tail_cond;
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};
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// parse symbol name and return if symbol has defined value (called by ifdef/ifndef)
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extern boolean check_ifdef_condition(void);
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// back end function for "!for" pseudo opcode
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extern void flow_forloop(struct for_loop *loop);
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// try to read a condition into DynaBuf and store pointer to copy in
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// given condition structure.
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// if no condition given, NULL is written to structure.
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// call with GotByte = first interesting character
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extern void flow_store_doloop_condition(struct condition *condition, char terminator);
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// read a condition into DynaBuf and store pointer to copy in
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// given condition structure.
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// call with GotByte = first interesting character
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extern void flow_store_while_condition(struct condition *condition);
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// back end function for "!do" pseudo opcode
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extern void flow_do_while(struct do_while *loop);
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// parse a whole source code file
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extern void flow_parse_and_close_file(FILE *fd, const char *filename);
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#endif
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