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commit bash-20200221 snapshot

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Chet Ramey
2020-02-24 10:41:37 -05:00
parent 89d788fb01
commit 0df4ddca3f
19 changed files with 412 additions and 109 deletions
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command.h
+31 -30
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@@ -73,36 +73,37 @@ enum command_type { cm_for, cm_case, cm_while, cm_if, cm_simple, cm_select,
cm_arith, cm_cond, cm_arith_for, cm_subshell, cm_coproc };
/* Possible values for the `flags' field of a WORD_DESC. */
#define W_HASDOLLAR 0x000001 /* Dollar sign present. */
#define W_QUOTED 0x000002 /* Some form of quote character is present. */
#define W_ASSIGNMENT 0x000004 /* This word is a variable assignment. */
#define W_SPLITSPACE 0x000008 /* Split this word on " " regardless of IFS */
#define W_NOSPLIT 0x000010 /* Do not perform word splitting on this word because ifs is empty string. */
#define W_NOGLOB 0x000020 /* Do not perform globbing on this word. */
#define W_NOSPLIT2 0x000040 /* Don't split word except for $@ expansion (using spaces) because context does not allow it. */
#define W_TILDEEXP 0x000080 /* Tilde expand this assignment word */
#define W_DOLLARAT 0x000100 /* $@ and its special handling */
#define W_DOLLARSTAR 0x000200 /* $* and its special handling */
#define W_NOCOMSUB 0x000400 /* Don't perform command substitution on this word */
#define W_ASSIGNRHS 0x000800 /* Word is rhs of an assignment statement */
#define W_NOTILDE 0x001000 /* Don't perform tilde expansion on this word */
#define W_ITILDE 0x002000 /* Internal flag for word expansion */
#define W_EXPANDRHS 0x004000 /* Expanding word in ${paramOPword} */
#define W_COMPASSIGN 0x008000 /* Compound assignment */
#define W_ASSNBLTIN 0x010000 /* word is a builtin command that takes assignments */
#define W_ASSIGNARG 0x020000 /* word is assignment argument to command */
#define W_HASQUOTEDNULL 0x040000 /* word contains a quoted null character */
#define W_DQUOTE 0x080000 /* word should be treated as if double-quoted */
#define W_NOPROCSUB 0x100000 /* don't perform process substitution */
#define W_SAWQUOTEDNULL 0x200000 /* word contained a quoted null that was removed */
#define W_ASSIGNASSOC 0x400000 /* word looks like associative array assignment */
#define W_ASSIGNARRAY 0x800000 /* word looks like a compound indexed array assignment */
#define W_ARRAYIND 0x1000000 /* word is an array index being expanded */
#define W_ASSNGLOBAL 0x2000000 /* word is a global assignment to declare (declare/typeset -g) */
#define W_NOBRACE 0x4000000 /* Don't perform brace expansion */
#define W_COMPLETE 0x8000000 /* word is being expanded for completion */
#define W_CHKLOCAL 0x10000000 /* check for local vars on assignment */
#define W_NOASSNTILDE 0x20000000 /* don't do tilde expansion like an assignment statement */
#define W_HASDOLLAR (1 << 0) /* Dollar sign present. */
#define W_QUOTED (1 << 1) /* Some form of quote character is present. */
#define W_ASSIGNMENT (1 << 2) /* This word is a variable assignment. */
#define W_SPLITSPACE (1 << 3) /* Split this word on " " regardless of IFS */
#define W_NOSPLIT (1 << 4) /* Do not perform word splitting on this word because ifs is empty string. */
#define W_NOGLOB (1 << 5) /* Do not perform globbing on this word. */
#define W_NOSPLIT2 (1 << 6) /* Don't split word except for $@ expansion (using spaces) because context does not allow it. */
#define W_TILDEEXP (1 << 7) /* Tilde expand this assignment word */
#define W_DOLLARAT (1 << 8) /* $@ and its special handling -- UNUSED */
#define W_DOLLARSTAR (1 << 9) /* $* and its special handling -- UNUSED */
#define W_NOCOMSUB (1 << 10) /* Don't perform command substitution on this word */
#define W_ASSIGNRHS (1 << 11) /* Word is rhs of an assignment statement */
#define W_NOTILDE (1 << 12) /* Don't perform tilde expansion on this word */
#define W_ITILDE (1 << 13) /* Internal flag for word expansion */
#define W_EXPANDRHS (1 << 14) /* Expanding word in ${paramOPword} */
#define W_COMPASSIGN (1 << 15) /* Compound assignment */
#define W_ASSNBLTIN (1 << 16) /* word is a builtin command that takes assignments */
#define W_ASSIGNARG (1 << 17) /* word is assignment argument to command */
#define W_HASQUOTEDNULL (1 << 18) /* word contains a quoted null character */
#define W_DQUOTE (1 << 19) /* word should be treated as if double-quoted */
#define W_NOPROCSUB (1 << 20) /* don't perform process substitution */
#define W_SAWQUOTEDNULL (1 << 21) /* word contained a quoted null that was removed */
#define W_ASSIGNASSOC (1 << 22) /* word looks like associative array assignment */
#define W_ASSIGNARRAY (1 << 23) /* word looks like a compound indexed array assignment */
#define W_ARRAYIND (1 << 24) /* word is an array index being expanded */
#define W_ASSNGLOBAL (1 << 25) /* word is a global assignment to declare (declare/typeset -g) */
#define W_NOBRACE (1 << 26) /* Don't perform brace expansion */
#define W_COMPLETE (1 << 27) /* word is being expanded for completion */
#define W_CHKLOCAL (1 << 28) /* check for local vars on assignment */
#define W_NOASSNTILDE (1 << 29) /* don't do tilde expansion like an assignment statement */
#define W_FORCELOCAL (1 << 30) /* force assignments to be to local variables, non-fatal on assignment errors */
/* Flags for the `pflags' argument to param_expand() and various
parameter_brace_expand_xxx functions; also used for string_list_dollar_at */