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ruby/internal/compile.h

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add #include guard hack According to MSVC manual (*1), cl.exe can skip including a header file when that: - contains #pragma once, or - starts with #ifndef, or - starts with #if ! defined. GCC has a similar trick (*2), but it acts more stricter (e. g. there must be _no tokens_ outside of #ifndef...#endif). Sun C lacked #pragma once for a looong time. Oracle Developer Studio 12.5 finally implemented it, but we cannot assume such recent version. This changeset modifies header files so that each of them include strictly one #ifndef...#endif. I believe this is the most portable way to trigger compiler optimizations. [Bug #16770] *1: https://docs.microsoft.com/en-us/cpp/preprocessor/once *2: https://gcc.gnu.org/onlinedocs/cppinternals/Guard-Macros.html
2020-04-10 08:11:40 +03:00
#ifndef INTERNAL_COMPILE_H /*-*-C-*-vi:se ft=c:*/
#define INTERNAL_COMPILE_H
/**
Merge pull request #2991 from shyouhei/ruby.h Split ruby.h
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* @author Ruby developers <ruby-core@ruby-lang.org>
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
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* @copyright This file is a part of the programming language Ruby.
* Permission is hereby granted, to either redistribute and/or
* modify this file, provided that the conditions mentioned in the
* file COPYING are met. Consult the file for details.
Merge pull request #2991 from shyouhei/ruby.h Split ruby.h
2020-04-08 07:28:13 +03:00
* @brief Internal header for the compiler.
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
2019-11-29 09:18:34 +03:00
*/
sed -i 's|ruby/impl|ruby/internal|' To fix build failures.
2020-05-08 12:31:09 +03:00
#include "ruby/internal/config.h"
internal/compile.h rework This file containes other materials than in compile.c. I could perhaps split them into files, but felt overkill. Just add comments that describe the situations.
2019-12-03 10:12:39 +03:00
#include <stddef.h> /* for size_t */
#include "ruby/ruby.h" /* for rb_event_flag_t */
struct rb_iseq_struct; /* in vm_core.h */
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
2019-11-29 09:18:34 +03:00
/* compile.c */
int rb_dvar_defined(ID, const struct rb_iseq_struct *);
int rb_local_defined(ID, const struct rb_iseq_struct *);
Fix incorrect line numbers in GC hook If the previous instruction is not a leaf instruction, then the PC was incremented before the instruction was ran (meaning the currently executing instruction is actually the previous instruction), so we should not increment the PC otherwise we will calculate the source line for the next instruction. This bug can be reproduced in the following script: ``` require "objspace" ObjectSpace.trace_object_allocations_start a = 1.0 / 0.0 p [ObjectSpace.allocation_sourceline(a), ObjectSpace.allocation_sourcefile(a)] ``` Which outputs: [4, "test.rb"] This is incorrect because the object was allocated on line 10 and not line 4. The behaviour is correct when we use a leaf instruction (e.g. if we replaced `1.0 / 0.0` with `"hello"`), then the output is: [10, "test.rb"]. [Bug #19456]
2023-02-24 17:20:14 +03:00
int rb_insn_len(VALUE insn);
internal/compile.h rework This file containes other materials than in compile.c. I could perhaps split them into files, but felt overkill. Just add comments that describe the situations.
2019-12-03 10:12:39 +03:00
const char *rb_insns_name(int i);
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
2019-11-29 09:18:34 +03:00
VALUE rb_insns_name_array(void);
Warn more duplicate literal hash keys Following non-special_const literals: * T_BIGNUM * T_FLOAT (non-flonum) * T_RATIONAL * T_COMPLEX
2021-06-03 06:32:44 +03:00
int rb_iseq_cdhash_cmp(VALUE val, VALUE lit);
st_index_t rb_iseq_cdhash_hash(VALUE a);
internal/compile.h rework This file containes other materials than in compile.c. I could perhaps split them into files, but felt overkill. Just add comments that describe the situations.
2019-12-03 10:12:39 +03:00
/* iseq.c */
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
2019-11-29 09:18:34 +03:00
int rb_vm_insn_addr2insn(const void *);
Refactor rb_vm_insn_addr2insn calls It's been a way too much amount of ifdefs.
2021-06-02 11:16:49 +03:00
int rb_vm_insn_decode(const VALUE encoded);
`RubyVM.keep_script_lines` `RubyVM.keep_script_lines` enables to keep script lines for each ISeq and AST. This feature is for debugger/REPL support. ```ruby RubyVM.keep_script_lines = true RubyVM::keep_script_lines = true eval("def foo = nil\ndef bar = nil") pp RubyVM::InstructionSequence.of(method(:foo)).script_lines ```
2021-09-30 10:58:46 +03:00
extern bool ruby_vm_keep_script_lines;
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
2019-11-29 09:18:34 +03:00
internal/compile.h rework This file containes other materials than in compile.c. I could perhaps split them into files, but felt overkill. Just add comments that describe the situations.
2019-12-03 10:12:39 +03:00
/* iseq.c (export) */
rb_event_flag_t rb_iseq_event_flags(const struct rb_iseq_struct *iseq, size_t pos);
split internal.h into files One day, I could not resist the way it was written. I finally started to make the code clean. This changeset is the beginning of a series of housekeeping commits. It is a simple refactoring; split internal.h into files, so that we can divide and concur in the upcoming commits. No lines of codes are either added or removed, except the obvious file headers/footers. The generated binary is identical to the one before.
2019-11-29 09:18:34 +03:00
#endif /* INTERNAL_COMPILE_H */