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| author | Gavin Howard <gavin@yzena.com> | 2021-07-24 14:46:33 -0600 |
|---|---|---|
| committer | Gavin Howard <gavin@yzena.com> | 2021-07-24 14:46:33 -0600 |
| commit | 95122a05146f3a9a7d4213907ae5dd9231e7990f (patch) | |
| tree | aa088bbf14c27dcdef9b9367e23a207f9fc14ec2 /src | |
| parent | 2f637bd38af83854cdec0608dc2c8b07a21144ed (diff) | |
| download | platform_external_bc-95122a05146f3a9a7d4213907ae5dd9231e7990f.tar.gz platform_external_bc-95122a05146f3a9a7d4213907ae5dd9231e7990f.tar.bz2 platform_external_bc-95122a05146f3a9a7d4213907ae5dd9231e7990f.zip | |
Remove the loop for computed goto
Signed-off-by: Gavin Howard <gavin@yzena.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/program.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/program.c b/src/program.c index cc703bd7..72349052 100644 --- a/src/program.c +++ b/src/program.c @@ -2628,10 +2628,12 @@ void bc_program_exec(BcProgram *p) { #if BC_HAS_COMPUTED_GOTO BC_PROG_LBLS; -#endif // BC_HAS_COMPUTED_GOTO + // BC_INST_INVALID is a marker for the end so that we don't have to have an + // execution loop. func = (BcFunc*) bc_vec_item(&p->fns, BC_PROG_MAIN); bc_vec_pushByte(&func->code, BC_INST_INVALID); +#endif // BC_HAS_COMPUTED_GOTO ip = bc_vec_top(&p->stack); func = (BcFunc*) bc_vec_item(&p->fns, ip->func); @@ -2644,8 +2646,12 @@ void bc_program_exec(BcProgram *p) { // Ensure the pointers are correct. bc_program_setVecs(p, func); - // This loop is the heart of the execution engine. It *is* the engine. - while (true) { +#if !BC_HAS_COMPUTED_GOTO + // This loop is the heart of the execution engine. It *is* the engine. For + // computed goto, it is ignored. + while (true) +#endif // !BC_HAS_COMPUTED_GOTO + { BC_SIG_ASSERT_NOT_LOCKED; |