texperiment - allow = in words late in the command line - plan9port - [fork] Plan 9 from user space
HTML git clone git://src.adamsgaard.dk/plan9port
DIR Log
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DIR LICENSE
---
DIR commit aec641d24c0e41671097563d938a9ed21999c0ab
DIR parent b7d8e86a72da7d644b7cf689545a66d15b608cd2
HTML Author: rsc <devnull@localhost>
Date: Tue, 27 Jun 2006 17:41:48 +0000
experiment - allow = in words late in the command line
Diffstat:
M src/cmd/rc/syn.y | 3 +++
1 file changed, 3 insertions(+), 0 deletions(-)
---
DIR diff --git a/src/cmd/rc/syn.y b/src/cmd/rc/syn.y
t@@ -2,6 +2,7 @@
%term WORD REDIR DUP PIPE SUB
%term SIMPLE ARGLIST WORDS BRACE PAREN PCMD PIPEFD /* not used in syntax */
/* operator priorities -- lowest first */
+%left LOW
%left IF WHILE FOR SWITCH ')' NOT
%left ANDAND OROR
%left BANG SUBSHELL
t@@ -9,6 +10,7 @@
%left '^'
%right '$' COUNT '"'
%left SUB
+%left '='
%{
#include "rc.h"
#include "fns.h"
t@@ -78,6 +80,7 @@ first: comword
word: keyword {lastword=1; $1->type=WORD;}
| comword
| word '^' word {$$=tree2('^', $1, $3);}
+| word '=' word %prec LOW {$$=tree2('^', tree2('^', $1, token("=", WORD)), $3);}
comword: '$' word {$$=tree1('$', $2);}
| '$' word SUB words ')' {$$=tree2(SUB, $2, $4);}
| '"' word {$$=tree1('"', $2);}