mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-17 15:38:51 +09:00
![Eugeniu Rosca](/assets/img/avatar_default.png)
Align Kconfig to Linux 4.17-rc4 with minimal impact on non-kconfig files. Previous Kconfig sync was done by commitbf7ab1e70f
("kconfig: re-sync with Linux 4.10") and it achieved almost perfect alignment with a few (intended) exceptions, caused by below U-boot commits: [A] v2015.045f9eb22075
("kbuild: remove scripts/multiconfig.sh") [B] v2015.0720c20826ef
("Kconfig: Enable usage of escape char '\' in string values") [C] v2016.01da58dec866
("Various Makefiles: Add SPDX-License-Identifier tags") [D] v2016.035b8031ccb4
("Add more SPDX-License-Identifier tags") [E] v2016.03192bc6948b
("Fix GCC format-security errors and convert sprintfs.") Here is the list of Kconfig commits which followed the v4.10 alignment: [F] v2018.010931ed3c0d
("kconfig/symbol.c: use correct pointer type argument for sizeof") [G] v2018.031414e09b4f
("kconfig: revert change that was not needed for -Wformat-security") [H] v2018.0583d290c56f
("SPDX: Convert all of our single license tags to Linux Kernel style") Commit [F] was subsequently applied to Linux kernel as commit [I] with the same patch id, so it won't contribute to further misalignment. [I] v4.15-rc1 88127dae6ed9 ("kconfig/symbol.c: use correct pointer type argument for sizeof") Commit [G] is a Kconfig-specific revert of commit [E]. Commit [H] relocated and reformatted the license doing no functional change. In summary, the only functional change that makes U-boot Kconfig diverge from Linux Kconfig is commit [B]. After a brief analysis, the purpose of [B] seems to be placing "\n" literals in string symbols like CONFIG_AUTOBOOT_PROMPT="autoboot in %d seconds\n" in order to pass them directly to printf and expect correct output at runtime. Currently, Linux doesn't seem to have this requirement, so for the moment [B] looks like a U-boot specific feature/fix. From point of view of further Kconfig alignment and backporting efforts, it is highly desired that commits like [B] are propagated to Linux and any Kconfig fixes/features are contributed to Linux kernel first. This specific Kconfig re-sync just keeps [B] in place. Contrary to 4.10 Kconfig re-sync (which achieves zero non-kconfig changes), 4.17-rc4 re-sync does some amount of updates in Kbuild (striving to keep them at minimum), due to a number of reasons: * Kbuild is affected by the removal of Kconfig "*shipped" files and now requires flex and bison pre-installed on the host. * PYTHON{2,3} variables are defined in top-level Makefile as prerequisite for running the newly developed Kconfig unit tests. * silentoldconfig becomes an "internal implementation detail" deprecated for external use, being renamed to syncconfig. The exact non-kconfig files touched by this commit are: $ git show --format="" --stat -- ':!scripts/kconfig' .gitignore | 2 ++ Makefile | 9 +++++++-- scripts/Makefile.build | 11 +++++++++++ scripts/Makefile.lib | 41 ++++++++++++----------------------------- The imported Linux commits touching the above files are: c054be10ffdbd5 ("remove gperf left-overs from build system") 73a4f6dbe70a1b ("kbuild: add LEX and YACC variables") 033dba2ec06c47 ("kbuild: prepare to remove C files pre-generated by flex and bison") eea199b445f64c ("kbuild: remove unnecessary LEX_PREFIX and YACC_PREFIX") e71de5ee08dcb0 ("kbuild: remove remaining use of undefined YACC_PREFIX") d59fbbd09d5d6b ("kbuild: replace hardcoded bison in cmd_bison_h with $(YACC)") 911a91c39cabcb H ("kconfig: rename silentoldconfig to syncconfig") 59889300274569 (".gitignore: move *.lex.c *.tab.[ch] patterns to the top-level .gitignore") 9a8dfb394c0467 ("kbuild: clean up *.lex.c and *.tab.[ch] patterns from top-level Makefile") 833e622459432e H ("genksyms: generate lexer and parser during build instead of shipping") b23d1a241f4eb4 H ("kbuild: add %.lex.c and %.tab.[ch] to 'targets' automatically") e9781b52d4e0e3 H ("kbuild: add PYTHON2 and PYTHON3 variables") The commits marked with 'H' are assessed as "hard" (build will fail) prerequisites and the rest of them are assessed as "soft" prerequisites for the re-sync. In spite of relatively high number of non-H commits, they belong to this Kconfig update topic-wise and decrease the number of cherry pick conflicts for many commits in this series. Additional effort can be put in eliminating the soft prerequisites, if really needed. The commits which contributed to this Kconfig re-sync are listed below. Whenever a conflict resolution has been performed (mostly by hand, but sometimes automatically by git), it is revealed by the '!' sign in the second column, which means a patch id mismatch between Linux and U-boot commits: 9be3213b14d44f ("gconfig: remove misleading parentheses around a condition") ff85a1a80e0034 ("kconfig: Check for libncurses before menuconfig") ad8181060788c8 ("kconfig: fix sparse warnings in nconfig") cb77f0d623ff33 ! ("scripts: Switch to more portable Perl shebang") bb3290d91695bb ! ("Remove gperf usage from toolchain") c054be10ffdbd5 ("remove gperf left-overs from build system") b24413180f5600 ! ("License cleanup: add SPDX GPL-2.0 license identifier to files with no license") 9059a3493efea6 ! ("kconfig: fix relational operators for bool and tristate symbols") 2c37e08464a850 ("kconfig: Warn if choice default is not in choice") 33ca1a24866373 ("kconfig: Document the 'menu' struct") 52aede4ba5efd1 ("kconfig: Document the 'symbol' struct") c873443430ebd1 ("kconfig: Sync zconf.y with zconf.tab.c_shipped") 9a826842ff2fbd ("kconfig: Rename menu_check_dep() to rewrite_m()") fa8cedaef814ce ("kconfig: Clarify expression rewriting") f77850d3fe0c96 ("kconfig: Clean up modules handling and fix crash") e3b03bf29d6b99 ("kconfig: display recursive dependency resolution hint just once") 73a4f6dbe70a1b ! ("kbuild: add LEX and YACC variables") 033dba2ec06c47 ! ("kbuild: prepare to remove C files pre-generated by flex and bison") 29c833061c1d8c ("kconfig: generate lexer and parser during build instead of shipping") 26e47a3c11a25c ("kconfig: Don't leak symbol names during parsing") 24161a6711c945 ("kconfig: Don't leak 'source' filenames during parsing") bc28fe1d5ede88 ("kconfig: Don't leak 'option' arguments during parsing") 0724a7c32a54e3 ("kconfig: Don't leak main menus during parsing") ae7440ef0c8013 ("kconfig: Fix automatic menu creation mem leak") 5b1374b3b3c2fc ("kconfig: Fix expr_free() E_NOT leak") 7cf33f88e29410 ("kconfig: Fix choice symbol expression leak") 05cccce580456d ("kconfig: Document automatic submenu creation code") 0735f7e5def2ab ("kconfig: Document important expression functions") df60f4b92d3d0b ("kconfig: Remove menu_end_entry()") b92d804a51796b ("kconfig: drop 'boolean' keyword") 6479f327dea60d ("kconfig: Warn if there is more than one help text") 52e58a3caeba5d ("kconfig: make input_mode static") 5a3dc717b3c785 ("kconfig: make xfgets() really static") 84dd95d4f87a0d ("kconfig: make conf_unsaved a local variable of conf_read()") 765f4cdef6f80d ("kconfig: use default 'yy' prefix for lexer and parser") eea199b445f64c ("kbuild: remove unnecessary LEX_PREFIX and YACC_PREFIX") e71de5ee08dcb0 ("kbuild: remove remaining use of undefined YACC_PREFIX") d59fbbd09d5d6b ! ("kbuild: replace hardcoded bison in cmd_bison_h with $(YACC)") 3e41ba05b6d60c ("kconfig: Document SYMBOL_OPTIONAL logic") d3465af60f4471 ("kconfig: Clarify choice dependency propagation") 9d1a9e8bc18bea ("kconfig: Document 'if' flattening logic") b53688014e3325 ("kconfig: Clarify menu and 'if' dependency propagation") d0fd0428ecf04b ("kconfig: fix make xconfig when gettext is missing") 312ee68752faaa ("kconfig: announce removal of oldnoconfig if used") 1ccb27143360bd ("kconfig: make "Selected by:" and "Implied by:" readable") cedd55d49dee94 ! ("kconfig: Remove silentoldconfig from help and docs; fix kconfig/conf's help") 1b9eda2e4892cb ("kconfig: Warn if help text is blank") cb67ab2cd2b8ab ("kconfig: do not write choice values when their dependency becomes n") 4f208f392103e8 ("kconfig: show '?' prompt even if no help text is available") cd58a91def2acc ("kconfig: remove 'config*' pattern from .gitignnore") d2a04648a5dbc3 ("kconfig: remove check_stdin()") f3ff6fb5db68bc ("kconfig: echo stdin to stdout if either is redirected") 9e3e10c725360b ("kconfig: send error messages to stderr") d717f24d8c6808 ("kconfig: add xrealloc() helper") 523ca58b7db2e3 ("kconfig: remove const qualifier from sym_expand_string_value()") cd81fc82b93fa4 ("kconfig: add xstrdup() helper") f4bc1eefc1608e ("kconfig: set SYMBOL_AUTO to the symbol marked with defconfig_list") bf0bbdcf100322 ("kconfig: Don't leak choice names during parsing") 1a90ce36c6eff6 ("kconfig: Update ncurses package names for menuconfig") 5ae6fcc4bb82bd ("kconfig: fix line number in recursive inclusion error message") 07a422bb213adb ! ("kbuild: restore autoksyms.h touch to the top Makefile") 9a47ceec543bfb ("kconfig: clean-up reverse dependency help implementation") d9119b5925a03b ("kconfig: Print reverse dependencies in groups") f467c5640c29ad ("kconfig: only write '# CONFIG_FOO is not set' for visible symbols") 59a80b5e892dde ("kconfig: do not call check_conf() for olddefconfig") 4bb3a5b085cd6f ("kconfig: remove unneeded input_mode test in conf()") 99f0b6578bab44 ("kconfig: remove redundant input_mode test for check_conf() loop") 2aad9b89621386 ("kconfig: hide irrelevant sub-menus for oldconfig") 81d2bc2273052e ("kconfig: invoke oldconfig instead of silentoldconfig from local*config") 911a91c39cabcb ! ("kconfig: rename silentoldconfig to syncconfig") 2a61625835c7c8 ! ("kconfig: remove redundant streamline_config.pl prerequisite") 022a4bf6b59dfd ("kconfig: tests: add framework for Kconfig unit testing") 1903c511905984 ("kconfig: tests: add basic choice tests") 49ac3c0c3aa3b7 ("kconfig: tests: test automatic submenu creation") b76960c0f6b25d ("kconfig: tests: test if new symbols in choice are asked") 930c429a656fdb ("kconfig: tests: check unneeded "is not set" with unmet dependency") ee236610653ede ("kconfig: tests: check visibility of tristate choice values in y choice") beaaddb625400e ("kconfig: tests: test defconfig when two choices interact") 3e4888c2e3d77d ("kconfig: tests: test randconfig for choice in choice") 29c434f367ea7b ("kconfig: tests: test if recursive dependencies are detected") e2c75e7667c737 ("kconfig: tests: test if recursive inclusion is detected") f622f827958162 ("kconfig: warn unmet direct dependency of tristate symbols selected by y") f8f69dc0b4e070 ("kconfig: make unmet dependency warnings readable") 26561514cc9def ("kconfig: do not include both curses.h and ncurses.h for nconfig") 32a94b8b0c3e5a ("kconfig: remove duplicated file name and lineno of recursive inclusion") 379a8eb8eb1a55 ("kconfig: detect recursive inclusion earlier") 18492685e479fd ("kconfig: use yylineno option instead of manual lineno increments") 59889300274569 ! (".gitignore: move *.lex.c *.tab.[ch] patterns to the top-level .gitignore") 9a8dfb394c0467 ! ("kbuild: clean up *.lex.c and *.tab.[ch] patterns from top-level Makefile") 833e622459432e ! ("genksyms: generate lexer and parser during build instead of shipping") b23d1a241f4eb4 ! ("kbuild: add %.lex.c and %.tab.[ch] to 'targets' automatically") 17baab68d337a0 ("kconfig: extend output of 'listnewconfig'") e9781b52d4e0e3 ! ("kbuild: add PYTHON2 and PYTHON3 variables") The current Kconfig update generates below build-time warnings: YACC scripts/dtc/dtc-parser.tab.h scripts/dtc/dtc-parser.y: warning: 3 shift/reduce conflicts [-Wconflicts-sr] YACC scripts/dtc/dtc-parser.tab.c scripts/dtc/dtc-parser.y: warning: 3 shift/reduce conflicts [-Wconflicts-sr] This seems to happen because the Kbuild updates apparently didn't make room for both "*shipped"-based builds and flex/bison-based builds. A similar problem has been reported for genksyms parser in v4.17-rc1 commit 833e622459432e ("genksyms: generate lexer and parser during build instead of shipping"). I have figured out empirically that the warnings are healed after updating the in-tree U-boot DTC to upstream v1.4.6-9, same as done by Linux v4.17-rc1 commit 9130ba88464032 ("scripts/dtc: Update to upstream version v1.4.6-9-gaadd0b65c987"). Whether fixing the DTC-related yacc warnings should be done together with the Kconfig re-sync, I would like to hear from community. My testing was limited to: - make defconfig all - make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- r8a7795_ulcb_defconfig all - comparing .config before and after the re-sync - running the newly imported Kconfig unit tests as seen below: $ make testconfig Tested-by: Petr Vorel <petr.vorel@gmail.com> ============================= test session starts ============================= scripts/kconfig/tests/auto_submenu/__init__.py::test PASSED [ 7%] scripts/kconfig/tests/choice/__init__.py::test_oldask0 PASSED [ 14%] scripts/kconfig/tests/choice/__init__.py::test_oldask1 PASSED [ 21%] scripts/kconfig/tests/choice/__init__.py::test_allyes PASSED [ 28%] scripts/kconfig/tests/choice/__init__.py::test_allmod PASSED [ 35%] scripts/kconfig/tests/choice/__init__.py::test_allno PASSED [ 42%] scripts/kconfig/tests/choice/__init__.py::test_alldef PASSED [ 50%] scripts/kconfig/tests/choice_value_with_m_dep/__init__.py::test PASSED [ 57%] scripts/kconfig/tests/err_recursive_inc/__init__.py::test PASSED [ 64%] scripts/kconfig/tests/inter_choice/__init__.py::test PASSED [ 71%] scripts/kconfig/tests/new_choice_with_dep/__init__.py::test PASSED [ 78%] scripts/kconfig/tests/no_write_if_dep_unmet/__init__.py::test PASSED [ 85%] scripts/kconfig/tests/rand_nested_choice/__init__.py::test PASSED [ 92%] scripts/kconfig/tests/warn_recursive_dep/__init__.py::test PASSED [100%] ========================== 14 passed in 0.34 seconds ========================== Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com> Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com> Tested-by: Petr Vorel <petr.vorel@gmail.com>
783 lines
16 KiB
Plaintext
783 lines
16 KiB
Plaintext
%{
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/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include "lkc.h"
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#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
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#define PRINTD 0x0001
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#define DEBUG_PARSE 0x0002
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int cdebug = PRINTD;
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int yylex(void);
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static void yyerror(const char *err);
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static void zconfprint(const char *err, ...);
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static void zconf_error(const char *err, ...);
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static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken);
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struct symbol *symbol_hash[SYMBOL_HASHSIZE];
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static struct menu *current_menu, *current_entry;
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%}
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%expect 32
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%union
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{
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char *string;
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struct file *file;
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struct symbol *symbol;
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struct expr *expr;
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struct menu *menu;
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const struct kconf_id *id;
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}
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%token <id>T_MAINMENU
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%token <id>T_MENU
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%token <id>T_ENDMENU
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%token <id>T_SOURCE
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%token <id>T_CHOICE
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%token <id>T_ENDCHOICE
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%token <id>T_COMMENT
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%token <id>T_CONFIG
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%token <id>T_MENUCONFIG
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%token <id>T_HELP
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%token <string> T_HELPTEXT
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%token <id>T_IF
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%token <id>T_ENDIF
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%token <id>T_DEPENDS
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%token <id>T_OPTIONAL
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%token <id>T_PROMPT
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%token <id>T_TYPE
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%token <id>T_DEFAULT
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%token <id>T_SELECT
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%token <id>T_IMPLY
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%token <id>T_RANGE
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%token <id>T_VISIBLE
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%token <id>T_OPTION
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%token <id>T_ON
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%token <string> T_WORD
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%token <string> T_WORD_QUOTE
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%token T_UNEQUAL
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%token T_LESS
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%token T_LESS_EQUAL
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%token T_GREATER
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%token T_GREATER_EQUAL
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%token T_CLOSE_PAREN
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%token T_OPEN_PAREN
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%token T_EOL
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%left T_OR
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%left T_AND
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%left T_EQUAL T_UNEQUAL
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%left T_LESS T_LESS_EQUAL T_GREATER T_GREATER_EQUAL
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%nonassoc T_NOT
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%type <string> prompt
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%type <symbol> nonconst_symbol
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%type <symbol> symbol
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%type <expr> expr
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%type <expr> if_expr
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%type <id> end
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%type <id> option_name
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%type <menu> if_entry menu_entry choice_entry
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%type <string> symbol_option_arg word_opt
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%destructor {
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fprintf(stderr, "%s:%d: missing end statement for this entry\n",
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$$->file->name, $$->lineno);
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if (current_menu == $$)
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menu_end_menu();
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} if_entry menu_entry choice_entry
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%{
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/* Include kconf_id.c here so it can see the token constants. */
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#include "kconf_id.c"
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%}
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%%
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input: nl start | start;
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start: mainmenu_stmt stmt_list | no_mainmenu_stmt stmt_list;
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/* mainmenu entry */
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mainmenu_stmt: T_MAINMENU prompt nl
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{
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menu_add_prompt(P_MENU, $2, NULL);
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};
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/* Default main menu, if there's no mainmenu entry */
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no_mainmenu_stmt: /* empty */
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{
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/*
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* Hack: Keep the main menu title on the heap so we can safely free it
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* later regardless of whether it comes from the 'prompt' in
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* mainmenu_stmt or here
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*/
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menu_add_prompt(P_MENU, xstrdup("Linux Kernel Configuration"), NULL);
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};
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stmt_list:
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/* empty */
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| stmt_list common_stmt
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| stmt_list choice_stmt
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| stmt_list menu_stmt
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| stmt_list end { zconf_error("unexpected end statement"); }
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| stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
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| stmt_list option_name error T_EOL
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{
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zconf_error("unexpected option \"%s\"", $2->name);
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}
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| stmt_list error T_EOL { zconf_error("invalid statement"); }
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;
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option_name:
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T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_IMPLY | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
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;
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common_stmt:
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T_EOL
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| if_stmt
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| comment_stmt
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| config_stmt
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| menuconfig_stmt
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| source_stmt
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;
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option_error:
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T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
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| error T_EOL { zconf_error("invalid option"); }
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;
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/* config/menuconfig entry */
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config_entry_start: T_CONFIG nonconst_symbol T_EOL
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{
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$2->flags |= SYMBOL_OPTIONAL;
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menu_add_entry($2);
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printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2->name);
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};
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config_stmt: config_entry_start config_option_list
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{
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printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
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};
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menuconfig_entry_start: T_MENUCONFIG nonconst_symbol T_EOL
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{
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$2->flags |= SYMBOL_OPTIONAL;
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menu_add_entry($2);
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printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2->name);
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};
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menuconfig_stmt: menuconfig_entry_start config_option_list
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{
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if (current_entry->prompt)
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current_entry->prompt->type = P_MENU;
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else
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zconfprint("warning: menuconfig statement without prompt");
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printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
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};
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config_option_list:
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/* empty */
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| config_option_list config_option
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| config_option_list symbol_option
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| config_option_list depends
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| config_option_list help
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| config_option_list option_error
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| config_option_list T_EOL
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;
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config_option: T_TYPE prompt_stmt_opt T_EOL
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{
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menu_set_type($1->stype);
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printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
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zconf_curname(), zconf_lineno(),
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$1->stype);
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};
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config_option: T_PROMPT prompt if_expr T_EOL
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{
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menu_add_prompt(P_PROMPT, $2, $3);
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printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
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};
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config_option: T_DEFAULT expr if_expr T_EOL
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{
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menu_add_expr(P_DEFAULT, $2, $3);
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if ($1->stype != S_UNKNOWN)
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menu_set_type($1->stype);
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printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
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zconf_curname(), zconf_lineno(),
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$1->stype);
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};
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config_option: T_SELECT nonconst_symbol if_expr T_EOL
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{
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menu_add_symbol(P_SELECT, $2, $3);
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printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
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};
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config_option: T_IMPLY nonconst_symbol if_expr T_EOL
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{
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menu_add_symbol(P_IMPLY, $2, $3);
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printd(DEBUG_PARSE, "%s:%d:imply\n", zconf_curname(), zconf_lineno());
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};
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config_option: T_RANGE symbol symbol if_expr T_EOL
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{
|
|
menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
|
|
printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
|
|
};
|
|
|
|
symbol_option: T_OPTION symbol_option_list T_EOL
|
|
;
|
|
|
|
symbol_option_list:
|
|
/* empty */
|
|
| symbol_option_list T_WORD symbol_option_arg
|
|
{
|
|
const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
|
|
if (id && id->flags & TF_OPTION) {
|
|
menu_add_option(id->token, $3);
|
|
free($3);
|
|
}
|
|
else
|
|
zconfprint("warning: ignoring unknown option %s", $2);
|
|
free($2);
|
|
};
|
|
|
|
symbol_option_arg:
|
|
/* empty */ { $$ = NULL; }
|
|
| T_EQUAL prompt { $$ = $2; }
|
|
;
|
|
|
|
/* choice entry */
|
|
|
|
choice: T_CHOICE word_opt T_EOL
|
|
{
|
|
struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
|
|
sym->flags |= SYMBOL_AUTO;
|
|
menu_add_entry(sym);
|
|
menu_add_expr(P_CHOICE, NULL, NULL);
|
|
free($2);
|
|
printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
|
|
};
|
|
|
|
choice_entry: choice choice_option_list
|
|
{
|
|
$$ = menu_add_menu();
|
|
};
|
|
|
|
choice_end: end
|
|
{
|
|
if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
|
|
menu_end_menu();
|
|
printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
|
|
}
|
|
};
|
|
|
|
choice_stmt: choice_entry choice_block choice_end
|
|
;
|
|
|
|
choice_option_list:
|
|
/* empty */
|
|
| choice_option_list choice_option
|
|
| choice_option_list depends
|
|
| choice_option_list help
|
|
| choice_option_list T_EOL
|
|
| choice_option_list option_error
|
|
;
|
|
|
|
choice_option: T_PROMPT prompt if_expr T_EOL
|
|
{
|
|
menu_add_prompt(P_PROMPT, $2, $3);
|
|
printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
|
|
};
|
|
|
|
choice_option: T_TYPE prompt_stmt_opt T_EOL
|
|
{
|
|
if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
|
|
menu_set_type($1->stype);
|
|
printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
|
|
zconf_curname(), zconf_lineno(),
|
|
$1->stype);
|
|
} else
|
|
YYERROR;
|
|
};
|
|
|
|
choice_option: T_OPTIONAL T_EOL
|
|
{
|
|
current_entry->sym->flags |= SYMBOL_OPTIONAL;
|
|
printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
|
|
};
|
|
|
|
choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
|
|
{
|
|
if ($1->stype == S_UNKNOWN) {
|
|
menu_add_symbol(P_DEFAULT, $2, $3);
|
|
printd(DEBUG_PARSE, "%s:%d:default\n",
|
|
zconf_curname(), zconf_lineno());
|
|
} else
|
|
YYERROR;
|
|
};
|
|
|
|
choice_block:
|
|
/* empty */
|
|
| choice_block common_stmt
|
|
;
|
|
|
|
/* if entry */
|
|
|
|
if_entry: T_IF expr nl
|
|
{
|
|
printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
|
|
menu_add_entry(NULL);
|
|
menu_add_dep($2);
|
|
$$ = menu_add_menu();
|
|
};
|
|
|
|
if_end: end
|
|
{
|
|
if (zconf_endtoken($1, T_IF, T_ENDIF)) {
|
|
menu_end_menu();
|
|
printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
|
|
}
|
|
};
|
|
|
|
if_stmt: if_entry if_block if_end
|
|
;
|
|
|
|
if_block:
|
|
/* empty */
|
|
| if_block common_stmt
|
|
| if_block menu_stmt
|
|
| if_block choice_stmt
|
|
;
|
|
|
|
/* menu entry */
|
|
|
|
menu: T_MENU prompt T_EOL
|
|
{
|
|
menu_add_entry(NULL);
|
|
menu_add_prompt(P_MENU, $2, NULL);
|
|
printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
|
|
};
|
|
|
|
menu_entry: menu visibility_list depends_list
|
|
{
|
|
$$ = menu_add_menu();
|
|
};
|
|
|
|
menu_end: end
|
|
{
|
|
if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
|
|
menu_end_menu();
|
|
printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
|
|
}
|
|
};
|
|
|
|
menu_stmt: menu_entry menu_block menu_end
|
|
;
|
|
|
|
menu_block:
|
|
/* empty */
|
|
| menu_block common_stmt
|
|
| menu_block menu_stmt
|
|
| menu_block choice_stmt
|
|
;
|
|
|
|
source_stmt: T_SOURCE prompt T_EOL
|
|
{
|
|
printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
|
|
zconf_nextfile($2);
|
|
free($2);
|
|
};
|
|
|
|
/* comment entry */
|
|
|
|
comment: T_COMMENT prompt T_EOL
|
|
{
|
|
menu_add_entry(NULL);
|
|
menu_add_prompt(P_COMMENT, $2, NULL);
|
|
printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
|
|
};
|
|
|
|
comment_stmt: comment depends_list
|
|
;
|
|
|
|
/* help option */
|
|
|
|
help_start: T_HELP T_EOL
|
|
{
|
|
printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
|
|
zconf_starthelp();
|
|
};
|
|
|
|
help: help_start T_HELPTEXT
|
|
{
|
|
if (current_entry->help) {
|
|
free(current_entry->help);
|
|
zconfprint("warning: '%s' defined with more than one help text -- only the last one will be used",
|
|
current_entry->sym->name ?: "<choice>");
|
|
}
|
|
|
|
/* Is the help text empty or all whitespace? */
|
|
if ($2[strspn($2, " \f\n\r\t\v")] == '\0')
|
|
zconfprint("warning: '%s' defined with blank help text",
|
|
current_entry->sym->name ?: "<choice>");
|
|
|
|
current_entry->help = $2;
|
|
};
|
|
|
|
/* depends option */
|
|
|
|
depends_list:
|
|
/* empty */
|
|
| depends_list depends
|
|
| depends_list T_EOL
|
|
| depends_list option_error
|
|
;
|
|
|
|
depends: T_DEPENDS T_ON expr T_EOL
|
|
{
|
|
menu_add_dep($3);
|
|
printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
|
|
};
|
|
|
|
/* visibility option */
|
|
|
|
visibility_list:
|
|
/* empty */
|
|
| visibility_list visible
|
|
| visibility_list T_EOL
|
|
;
|
|
|
|
visible: T_VISIBLE if_expr
|
|
{
|
|
menu_add_visibility($2);
|
|
};
|
|
|
|
/* prompt statement */
|
|
|
|
prompt_stmt_opt:
|
|
/* empty */
|
|
| prompt if_expr
|
|
{
|
|
menu_add_prompt(P_PROMPT, $1, $2);
|
|
};
|
|
|
|
prompt: T_WORD
|
|
| T_WORD_QUOTE
|
|
;
|
|
|
|
end: T_ENDMENU T_EOL { $$ = $1; }
|
|
| T_ENDCHOICE T_EOL { $$ = $1; }
|
|
| T_ENDIF T_EOL { $$ = $1; }
|
|
;
|
|
|
|
nl:
|
|
T_EOL
|
|
| nl T_EOL
|
|
;
|
|
|
|
if_expr: /* empty */ { $$ = NULL; }
|
|
| T_IF expr { $$ = $2; }
|
|
;
|
|
|
|
expr: symbol { $$ = expr_alloc_symbol($1); }
|
|
| symbol T_LESS symbol { $$ = expr_alloc_comp(E_LTH, $1, $3); }
|
|
| symbol T_LESS_EQUAL symbol { $$ = expr_alloc_comp(E_LEQ, $1, $3); }
|
|
| symbol T_GREATER symbol { $$ = expr_alloc_comp(E_GTH, $1, $3); }
|
|
| symbol T_GREATER_EQUAL symbol { $$ = expr_alloc_comp(E_GEQ, $1, $3); }
|
|
| symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
|
|
| symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
|
|
| T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
|
|
| T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
|
|
| expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
|
|
| expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
|
|
;
|
|
|
|
/* For symbol definitions, selects, etc., where quotes are not accepted */
|
|
nonconst_symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); };
|
|
|
|
symbol: nonconst_symbol
|
|
| T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
|
|
;
|
|
|
|
word_opt: /* empty */ { $$ = NULL; }
|
|
| T_WORD
|
|
|
|
%%
|
|
|
|
void conf_parse(const char *name)
|
|
{
|
|
const char *tmp;
|
|
struct symbol *sym;
|
|
int i;
|
|
|
|
zconf_initscan(name);
|
|
|
|
sym_init();
|
|
_menu_init();
|
|
|
|
if (getenv("ZCONF_DEBUG"))
|
|
yydebug = 1;
|
|
yyparse();
|
|
if (yynerrs)
|
|
exit(1);
|
|
if (!modules_sym)
|
|
modules_sym = sym_find( "n" );
|
|
|
|
tmp = rootmenu.prompt->text;
|
|
rootmenu.prompt->text = _(rootmenu.prompt->text);
|
|
rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
|
|
free((char*)tmp);
|
|
|
|
menu_finalize(&rootmenu);
|
|
for_all_symbols(i, sym) {
|
|
if (sym_check_deps(sym))
|
|
yynerrs++;
|
|
}
|
|
if (yynerrs)
|
|
exit(1);
|
|
sym_set_change_count(1);
|
|
}
|
|
|
|
static const char *zconf_tokenname(int token)
|
|
{
|
|
switch (token) {
|
|
case T_MENU: return "menu";
|
|
case T_ENDMENU: return "endmenu";
|
|
case T_CHOICE: return "choice";
|
|
case T_ENDCHOICE: return "endchoice";
|
|
case T_IF: return "if";
|
|
case T_ENDIF: return "endif";
|
|
case T_DEPENDS: return "depends";
|
|
case T_VISIBLE: return "visible";
|
|
}
|
|
return "<token>";
|
|
}
|
|
|
|
static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
|
|
{
|
|
if (id->token != endtoken) {
|
|
zconf_error("unexpected '%s' within %s block",
|
|
id->name, zconf_tokenname(starttoken));
|
|
yynerrs++;
|
|
return false;
|
|
}
|
|
if (current_menu->file != current_file) {
|
|
zconf_error("'%s' in different file than '%s'",
|
|
id->name, zconf_tokenname(starttoken));
|
|
fprintf(stderr, "%s:%d: location of the '%s'\n",
|
|
current_menu->file->name, current_menu->lineno,
|
|
zconf_tokenname(starttoken));
|
|
yynerrs++;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static void zconfprint(const char *err, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
|
|
va_start(ap, err);
|
|
vfprintf(stderr, err, ap);
|
|
va_end(ap);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
static void zconf_error(const char *err, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
yynerrs++;
|
|
fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
|
|
va_start(ap, err);
|
|
vfprintf(stderr, err, ap);
|
|
va_end(ap);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
|
|
static void yyerror(const char *err)
|
|
{
|
|
fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
|
|
}
|
|
|
|
static void print_quoted_string(FILE *out, const char *str)
|
|
{
|
|
const char *p;
|
|
int len;
|
|
|
|
putc('"', out);
|
|
while ((p = strchr(str, '"'))) {
|
|
len = p - str;
|
|
if (len)
|
|
fprintf(out, "%.*s", len, str);
|
|
fputs("\\\"", out);
|
|
str = p + 1;
|
|
}
|
|
fputs(str, out);
|
|
putc('"', out);
|
|
}
|
|
|
|
static void print_symbol(FILE *out, struct menu *menu)
|
|
{
|
|
struct symbol *sym = menu->sym;
|
|
struct property *prop;
|
|
|
|
if (sym_is_choice(sym))
|
|
fprintf(out, "\nchoice\n");
|
|
else
|
|
fprintf(out, "\nconfig %s\n", sym->name);
|
|
switch (sym->type) {
|
|
case S_BOOLEAN:
|
|
fputs(" bool\n", out);
|
|
break;
|
|
case S_TRISTATE:
|
|
fputs(" tristate\n", out);
|
|
break;
|
|
case S_STRING:
|
|
fputs(" string\n", out);
|
|
break;
|
|
case S_INT:
|
|
fputs(" integer\n", out);
|
|
break;
|
|
case S_HEX:
|
|
fputs(" hex\n", out);
|
|
break;
|
|
default:
|
|
fputs(" ???\n", out);
|
|
break;
|
|
}
|
|
for (prop = sym->prop; prop; prop = prop->next) {
|
|
if (prop->menu != menu)
|
|
continue;
|
|
switch (prop->type) {
|
|
case P_PROMPT:
|
|
fputs(" prompt ", out);
|
|
print_quoted_string(out, prop->text);
|
|
if (!expr_is_yes(prop->visible.expr)) {
|
|
fputs(" if ", out);
|
|
expr_fprint(prop->visible.expr, out);
|
|
}
|
|
fputc('\n', out);
|
|
break;
|
|
case P_DEFAULT:
|
|
fputs( " default ", out);
|
|
expr_fprint(prop->expr, out);
|
|
if (!expr_is_yes(prop->visible.expr)) {
|
|
fputs(" if ", out);
|
|
expr_fprint(prop->visible.expr, out);
|
|
}
|
|
fputc('\n', out);
|
|
break;
|
|
case P_CHOICE:
|
|
fputs(" #choice value\n", out);
|
|
break;
|
|
case P_SELECT:
|
|
fputs( " select ", out);
|
|
expr_fprint(prop->expr, out);
|
|
fputc('\n', out);
|
|
break;
|
|
case P_IMPLY:
|
|
fputs( " imply ", out);
|
|
expr_fprint(prop->expr, out);
|
|
fputc('\n', out);
|
|
break;
|
|
case P_RANGE:
|
|
fputs( " range ", out);
|
|
expr_fprint(prop->expr, out);
|
|
fputc('\n', out);
|
|
break;
|
|
case P_MENU:
|
|
fputs( " menu ", out);
|
|
print_quoted_string(out, prop->text);
|
|
fputc('\n', out);
|
|
break;
|
|
default:
|
|
fprintf(out, " unknown prop %d!\n", prop->type);
|
|
break;
|
|
}
|
|
}
|
|
if (menu->help) {
|
|
int len = strlen(menu->help);
|
|
while (menu->help[--len] == '\n')
|
|
menu->help[len] = 0;
|
|
fprintf(out, " help\n%s\n", menu->help);
|
|
}
|
|
}
|
|
|
|
void zconfdump(FILE *out)
|
|
{
|
|
struct property *prop;
|
|
struct symbol *sym;
|
|
struct menu *menu;
|
|
|
|
menu = rootmenu.list;
|
|
while (menu) {
|
|
if ((sym = menu->sym))
|
|
print_symbol(out, menu);
|
|
else if ((prop = menu->prompt)) {
|
|
switch (prop->type) {
|
|
case P_COMMENT:
|
|
fputs("\ncomment ", out);
|
|
print_quoted_string(out, prop->text);
|
|
fputs("\n", out);
|
|
break;
|
|
case P_MENU:
|
|
fputs("\nmenu ", out);
|
|
print_quoted_string(out, prop->text);
|
|
fputs("\n", out);
|
|
break;
|
|
default:
|
|
;
|
|
}
|
|
if (!expr_is_yes(prop->visible.expr)) {
|
|
fputs(" depends ", out);
|
|
expr_fprint(prop->visible.expr, out);
|
|
fputc('\n', out);
|
|
}
|
|
}
|
|
|
|
if (menu->list)
|
|
menu = menu->list;
|
|
else if (menu->next)
|
|
menu = menu->next;
|
|
else while ((menu = menu->parent)) {
|
|
if (menu->prompt && menu->prompt->type == P_MENU)
|
|
fputs("\nendmenu\n", out);
|
|
if (menu->next) {
|
|
menu = menu->next;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#include "zconf.lex.c"
|
|
#include "util.c"
|
|
#include "confdata.c"
|
|
#include "expr.c"
|
|
#include "symbol.c"
|
|
#include "menu.c"
|