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2010-03-14 BVK Chaitanya <bvk.groups@gmail.com>

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GRUB shell lexer and parser improvements.

	* conf/any-emu.rmk: Build rule updates.
	* conf/common.rmk: Likewise.
	* conf/i386-coreboot.rmk: Likewise.
	* conf/i386-efi.rmk: Likewise.
	* conf/i386-ieee1275.rmk: Likewise.
	* conf/i386-pc.rmk: Likewise.
	* conf/powerpc-ieee1275.rmk: Likewise.
	* conf/x86_64-efi.rmk: Likewise.

	* configure.ac: Configure check for flex.

	* include/grub/script_sh.h (grub_script_arg_type_t): More argument
	types.
	(grub_lexer_param): Struct member updates.
	(grub_parser_param): Likewise.
	(GRUB_LEXER_TOKEN_MAX): Maximum token size.
	(GRUB_LEXER_RECORD_INCREMENT): Memory increments' size.
	(grub_script_lexer_init): Prototype update.
	(grub_script_lexer_record_start): Likewise.
	(grub_script_lexer_record_stop): Likewise.
	(grub_script_lexer_yywrap): New function prototype.
	(grub_script_lexer_fini): Likewise.
	(grub_script_execute_argument_to_string): Removed by...
	(grub_script_execute_argument_to_argv): ...better version.

	* script/execute.c (ROUND_UPTO): New macro.
	(grub_script_execute_cmdline): Out of memory fixes.
	(grub_script_execute_menuentry): Likewise.
	(grub_script_execute_argument_to_string): Removed. Update all
	users by...
	(grub_script_execute_argument_to_argv): ...better version.
	* script/function.c (grub_script_function_create): Use
	grub_script_execute_argument_to_argv instead of
	grub_script_execute_argument_to_string.

	* script/lexer.c (check_varstate): Removed.
	(check_textstate): Removed.
	(grub_script_lexer_record_start): Likewise.
	(grub_script_lexer_record_stop): Likewise.
	(recordchar): Replaced with...
	(grub_script_lexer_record): ...new function.
	(nextchar): Removed.
	(grub_script_lexer_init): Rewritten.
	(grub_script_yylex): Rewritten.
	(append_newline): New function.
	(grub_script_lexer_yywrap): New function.
	(grub_script_lexer_fini): New function.
	(grub_script_yyerror): Sets error flag.

	* script/yylex.l: New file.
	(grub_lexer_yyfree): Wrapper for flex yyffre.
	(grub_lexer_yyalloc): Likewise.
	(grub_lexer_yyrealloc): Likewise.
	* script/parser.y: Refactored.

	* script/script.c (grub_script_arg_add): Out of memory fixes.
	(grub_script_add_arglist): Likewise.
	(grub_script_create_cmdline): Likewise.
	(grub_script_create_cmdmenu): Likewise.
	(grub_script_add_cmd): Likewise.
	(grub_script_parse): Use grub_script_lexer_fini to deallocated.
	* util/grub-script-check.c (grub_script_execute_menuentry): Remove
	unnecessary code.

	* tests/grub_script_echo1.in: New testcase.
	* tests/grub_script_vars1.in: New testcase.
	* tests/grub_script_echo_keywords.in: New testcase.
This commit is contained in:
BVK Chaitanya 2010-03-14 22:37:17 +05:30
commit 0cdc2a095b
18 changed files with 1211 additions and 643 deletions
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ChangeLog
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@ -1,3 +1,75 @@
2010-03-14 BVK Chaitanya <bvk.groups@gmail.com>
GRUB shell lexer and parser improvements.
* conf/any-emu.rmk: Build rule updates.
* conf/common.rmk: Likewise.
* conf/i386-coreboot.rmk: Likewise.
* conf/i386-efi.rmk: Likewise.
* conf/i386-ieee1275.rmk: Likewise.
* conf/i386-pc.rmk: Likewise.
* conf/powerpc-ieee1275.rmk: Likewise.
* conf/x86_64-efi.rmk: Likewise.
* configure.ac: Configure check for flex.
* include/grub/script_sh.h (grub_script_arg_type_t): More argument
types.
(grub_lexer_param): Struct member updates.
(grub_parser_param): Likewise.
(GRUB_LEXER_TOKEN_MAX): Maximum token size.
(GRUB_LEXER_RECORD_INCREMENT): Memory increments' size.
(grub_script_lexer_init): Prototype update.
(grub_script_lexer_record_start): Likewise.
(grub_script_lexer_record_stop): Likewise.
(grub_script_lexer_yywrap): New function prototype.
(grub_script_lexer_fini): Likewise.
(grub_script_execute_argument_to_string): Removed by...
(grub_script_execute_argument_to_argv): ...better version.
* script/execute.c (ROUND_UPTO): New macro.
(grub_script_execute_cmdline): Out of memory fixes.
(grub_script_execute_menuentry): Likewise.
(grub_script_execute_argument_to_string): Removed. Update all
users by...
(grub_script_execute_argument_to_argv): ...better version.
* script/function.c (grub_script_function_create): Use
grub_script_execute_argument_to_argv instead of
grub_script_execute_argument_to_string.
* script/lexer.c (check_varstate): Removed.
(check_textstate): Removed.
(grub_script_lexer_record_start): Likewise.
(grub_script_lexer_record_stop): Likewise.
(recordchar): Replaced with...
(grub_script_lexer_record): ...new function.
(nextchar): Removed.
(grub_script_lexer_init): Rewritten.
(grub_script_yylex): Rewritten.
(append_newline): New function.
(grub_script_lexer_yywrap): New function.
(grub_script_lexer_fini): New function.
(grub_script_yyerror): Sets error flag.
* script/yylex.l: New file.
(grub_lexer_yyfree): Wrapper for flex yyffre.
(grub_lexer_yyalloc): Likewise.
(grub_lexer_yyrealloc): Likewise.
* script/parser.y: Refactored.
* script/script.c (grub_script_arg_add): Out of memory fixes.
(grub_script_add_arglist): Likewise.
(grub_script_create_cmdline): Likewise.
(grub_script_create_cmdmenu): Likewise.
(grub_script_add_cmd): Likewise.
(grub_script_parse): Use grub_script_lexer_fini to deallocated.
* util/grub-script-check.c (grub_script_execute_menuentry): Remove
unnecessary code.
* tests/grub_script_echo1.in: New testcase.
* tests/grub_script_vars1.in: New testcase.
* tests/grub_script_echo_keywords.in: New testcase.
2010-03-14 Vladimir Serbinenko <phcoder@gmail.com>
Remove some redundancy in build system.