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akbasic/src/verbs.h
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Implement generators: GEN, EMIT, END GEN, FOR EACH and DO EACH (issue 57) 
Adds generator support per the plan in issue 57:

- environment.h: isGenerator/generatorFn on a GEN call's own environment,
  isEachLoop and forGeneratorEnv on a FOR EACH/DO EACH loop's own
  environment.
- runtime.c: splits akbasic_runtime_prev_environment() into
  akbasic_runtime_detach_environment() (return to parent without releasing)
  and akbasic_runtime_release_environment() (give variables and the pool
  slot back, on any environment); prev_environment() is now the two in
  sequence. akbasic_runtime_call_function() refuses to call a GEN like an
  ordinary function.
- verbs.c/verbs.h/scanner: new keywords GEN, EMIT, EACH, IN and the compound
  verb "END GEN" (built by a new akbasic_parse_end(), the same trick
  akbasic_parse_print() uses for PRINT #).
- parser_commands.c: akbasic_parse_gen() (modelled on multi-line DEF),
  akbasic_parse_end(), and EACH branches in akbasic_parse_for()/
  akbasic_parse_do().
- runtime_generator.c (new): akbasic_cmd_gen, akbasic_cmd_emit,
  akbasic_cmd_end_gen, and the invoke/pump/release machinery FOR EACH, DO
  EACH, NEXT and LOOP share. EMIT walks up to the nearest isGenerator
  ancestor rather than assuming it is standing directly in the GEN's own
  call frame, because a GEN body may nest its own FOR/DO/GOSUB around an
  EMIT -- the issue's own ROOMOBJECTS example does exactly that.
- runtime_commands.c/runtime_structure.c: EACH branches in cmd_for/cmd_do,
  matching EACH branches in cmd_next/cmd_loop, and forGeneratorEnv release
  on every path that can abandon a live generator (EXIT, a NEXT that pops
  for a mismatched loop variable).

Deviates from the plan in one place: FunctionDef gained an isGenerator flag
(not in the plan's field list) because refusing a GEN called like a
function has to happen before anything is pushed. Relying on EMIT's own
isGenerator check for that case doesn't work: akbasic_runtime_call_function()
drives its own step loop the same way akbasic_runtime_pump_generator() does,
and a BASIC-level error inside that loop is swallowed by process_line_run()
as reported-but-not-propagated, so the call would silently "succeed" with a
meaningless return value instead of failing.

Also: a zero-argument parameter list is not supported by the DEF/GEN
parameter parser this reuses (a pre-existing limitation, not
generator-specific); every generator in the tests takes at least one
parameter as a result.

Tests: tests/generators.c (pool exhaustion under repeated EXIT, calling a
GEN like a function, EMIT outside a GEN, self-recursion, sibling/nested
invocations) and tests/language/flowcontrol/generators_*.bas -- the
issue's own ROOMOBJECTS example in both loop shapes, an empty generator,
non-numeric EMIT, nested/interleaved invocations, and three error-path
golden cases. Docs: control-flow chapter 4 gets a GEN/EMIT/FOR EACH/DO EACH
section, the verb reference gets GEN/EMIT/END GEN entries and updated
FOR/DO/NEXT/LOOP/EXIT rows, and architecture chapter 14 documents the
detach/release split and the two-environment generator invocation.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-06 10:02:43 -04:00

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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_graphic(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_gen(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_end(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_solid(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_sprhit(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_rcollision(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_rsphit(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);
/* Group L generator verbs -- src/runtime_generator.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_gen(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_emit(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_end_gen(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_asc(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_rnd(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);
/* Structures -- src/runtime_struct.c and src/parser_commands.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_point(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_point(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_parse_type(struct akbasic_Parser *parser, akbasic_ASTLeaf **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_type(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);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_rwindow(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);
/* Group K user interface verbs and readbacks -- src/runtime_ui.c */
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_dialog(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_getmenu(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_hud(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_menu(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_cmd_uistyle(struct akbasic_Runtime *obj, akbasic_ASTLeaf *expr, akbasic_Value *lval, akbasic_Value *rval, akbasic_Value **dest);
akerr_ErrorContext AKERR_NOIGNORE *akbasic_fn_rmenu(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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