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akbasic/src/verbs.h
Andrew Kesterson 5c5bf63356 Draw into the whole window, not its top-left 320x200 
The graphics verbs documented a coordinate transform that did not exist. With
SCALE off a coordinate went straight to akgl_draw_* as a pixel address, so an
800x600 window drew a C128 listing into its corner and left the rest unused --
while the chapter said coordinates were 320x200 and stretching to fit was the
host's business.

akbasic_GraphicsBackend gains a size entry point, require_graphics() asks it
before every verb that draws so a resized window is honoured between two
statements, and 320x200 becomes the fallback for a backend that leaves it NULL.
It is the record's one optional member, so a host written against the old header
keeps the behaviour it had.

SCALE now maps onto the device, and RGR(1)/RGR(2) report the drawing surface so
a program can use a window whose size it did not choose. RGR(0) is BASIC 7.0's
own field, the GRAPHIC mode.

SCALE also mapped xmax onto the width rather than onto the last pixel, so
SCALE 1, 319, 199 followed by DRAW 1, 319, 199 drew nothing at all -- one pixel
past the surface. Fixed in the same line, because it is what makes "SCALE gives
a C128 listing the whole window" true rather than nearly true.

The akgl test renders against a 128x128 target, deliberately smaller than the
old constants: a SCALE still dividing by them misses it entirely rather than
landing somewhere plausible.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-01 07:35:20 -04:00

190 lines
24 KiB
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/**
* @file src/verbs.h
* @brief Internal declarations of every parse and exec handler in the table.
*
* These are not part of the public API -- callers reach them only through the
* dispatch table in src/verbs.c -- but they cannot be `static`, because the
* table lives in one translation unit and the handlers live in three others.
* This header keeps the declarations in one place so a signature cannot drift
* from its definition.
*/
#ifndef _AKBASIC_SRC_VERBS_H_
#define _AKBASIC_SRC_VERBS_H_
#include <akbasic/verbs.h>
/* Parse handlers -- src/parser_commands.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_arglist(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_data(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_draw(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_def(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_dim(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_for(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_if(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_input(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_optional_arglist(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_label(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_let(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_poke(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_do(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_loop(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_resume(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_on(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_movspr(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_print(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_read(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
/* Group F disk verbs -- src/runtime_disk.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_append(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_backup(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_bload(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_boot(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_bsave(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_collect(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_concat(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_copy(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_dclear(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_dclose(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_directory(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_dopen(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_input_channel(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_print_channel(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_dverify(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_header(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_record(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_rename(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_scratch(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group J machine verbs -- src/runtime_machine.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_fetch(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_stash(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_sys(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group E console verbs -- src/runtime_console.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_key(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_sleep(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_wait(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_window(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group D format verbs -- src/runtime_format.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_char(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_pudef(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_width(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group C error verbs -- src/runtime_trap.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_resume(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_trap(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_err(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group A structure verbs -- src/runtime_structure.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_begin(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_bend(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_do(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_end(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_loop(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_on(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group H sprite verbs and readbacks -- src/runtime_sprite.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_collision(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_movspr(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_sprcolor(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_sprite(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_sprsav(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_bump(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_rspcolor(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_rsppos(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_rsprite(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Verb handlers -- src/runtime_housekeeping.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_clr(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_cont(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_help(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_new(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_renumber(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_swap(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_troff(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_tron(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Verb handlers -- src/runtime_commands.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_auto(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_data(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_def(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_delete(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_dim(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_dload(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_dsave(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_exit(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_for(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_gosub(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_goto(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_if(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_input(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_label(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_let(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_list(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_next(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_poke(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_print(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_quit(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_read(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_restore(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_return(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_run(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_stop(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Function handlers -- src/runtime_functions.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_abs(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_atn(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_chr(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_cos(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_hex(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_instr(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_left(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_len(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_log(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_mid(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_mod(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_peek(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_pointer(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_pointervar(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_rad(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_right(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_sgn(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_shl(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_shr(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_sin(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_spc(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_str(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_tan(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_val(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_xor(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group G graphics verbs -- src/runtime_graphics.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_box(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_circle(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_color(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_draw(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_graphic(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_gshape(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_locate(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_paint(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_scale(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_sshape(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_rgr(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group I sound verbs -- src/runtime_audio.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_envelope(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_filter(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_play(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_sound(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_tempo(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_vol(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
/* Group E console input verbs -- src/runtime_input.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_get(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_getkey(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_scnclr(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
#endif // _AKBASIC_SRC_VERBS_H_
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