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sh: Ignore double-quotes in arithmetic rather than treating them as quotes.

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This provides similar behaviour, but allows a simpler parser.

This changes r206473.

Exp-run done by:	pav (with some other sh(1) changes)
This commit is contained in:
Jilles Tjoelker 2010-10-24 22:25:38 +00:00
parent 67e109adbe
commit d94c867339
2 changed files with 5 additions and 5 deletions
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3
bin/sh/mksyntax.c
View file

@ -75,6 +75,7 @@ struct synclass synclass[] = {
{ "CEOF", "end of file" },
{ "CCTL", "like CWORD, except it must be escaped" },
{ "CSPCL", "these terminate a word" },
{ "CIGN", "character should be ignored" },
{ NULL, NULL }
};
@ -232,7 +233,7 @@ main(int argc __unused, char **argv __unused)
add("\n", "CNL");
add("\\", "CBACK");
add("`", "CBQUOTE");
add("\"", "CDQUOTE");
add("\"", "CIGN");
add("$", "CVAR");
add("}", "CENDVAR");
add("(", "CLP");

7
bin/sh/parser.c
View file

@ -1224,10 +1224,7 @@ readtoken1(int firstc, char const *initialsyntax, char *eofmark, int striptabs)
if (eofmark != NULL && newvarnest == 0)
USTPUTC(c, out);
else {
if (state[level].category == TSTATE_ARITH)
state[level].syntax = ARISYNTAX;
else
state[level].syntax = BASESYNTAX;
state[level].syntax = BASESYNTAX;
quotef++;
}
break;
@ -1282,6 +1279,8 @@ readtoken1(int firstc, char const *initialsyntax, char *eofmark, int striptabs)
break;
case CEOF:
goto endword; /* exit outer loop */
case CIGN:
break;
default:
if (level == 0)
goto endword; /* exit outer loop */