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| author | rsc <devnull@localhost> | 2006-06-27 17:41:48 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2006-06-27 17:41:48 +0000 |
| commit | aec641d24c0e41671097563d938a9ed21999c0ab (patch) | |
| tree | ef46f989144449255ee8301a8e235d18a1266397 /src/cmd/rc | |
| parent | b7d8e86a72da7d644b7cf689545a66d15b608cd2 (diff) | |
| download | plan9port-aec641d24c0e41671097563d938a9ed21999c0ab.tar.gz plan9port-aec641d24c0e41671097563d938a9ed21999c0ab.tar.bz2 plan9port-aec641d24c0e41671097563d938a9ed21999c0ab.zip | |
experiment - allow = in words late in the command line
Diffstat (limited to 'src/cmd/rc')
| -rw-r--r-- | src/cmd/rc/syn.y | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cmd/rc/syn.y b/src/cmd/rc/syn.y index c7de3531..5123ce4a 100644 --- a/src/cmd/rc/syn.y +++ b/src/cmd/rc/syn.y @@ -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 @@ -9,6 +10,7 @@ %left '^' %right '$' COUNT '"' %left SUB +%left '=' %{ #include "rc.h" #include "fns.h" @@ -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);} |