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authorJohn Ankarström <john@ankarstrom.se>2021-01-31 14:14:05 +0000
committerJohn Ankarström <john@ankarstrom.se>2021-01-31 14:14:05 +0000
commitd325d2226cf55b63037dc62cefb7fa952d770d50 (patch)
tree9b88c71dc9a286cb8f9a4c0f40d42b7f55de5f38 /rc/def
parent01d70ec025ac617b1f74a7c8ccb2ed8bc120ca59 (diff)
downloadplan9-d325d2226cf55b63037dc62cefb7fa952d770d50.tar.gz
Bind $home/bin/rc to rc/ instead of ./
Diffstat (limited to 'rc/def')
-rwxr-xr-xrc/def45
1 files changed, 45 insertions, 0 deletions
diff --git a/rc/def b/rc/def
new file mode 100755
index 0000000..09a3f0c
--- /dev/null
+++ b/rc/def
@@ -0,0 +1,45 @@
+#!/bin/rc -e
+
+# def -- find function definition
+
+flagfmt=a
+args='name [dir]'
+if(! ifs=() eval `{aux/getflags $*} || ! ~ $#* 1 2 3){
+ echo usage: $0 name [dir] >[1=2]
+ exit usage
+}
+
+name=$1
+if(~ $#* 2) wdir=$2
+if not wdir=`{pwd}
+
+files=$wdir^/*.[ch]
+if(~ $files $wdir^/'*.[ch]'){
+ echo error: no c/h files found >[1=2]
+ exit 'not found'
+}
+
+# ansi definition
+if(~ $flaga 1){
+ r=`{
+ echo 'X ,x/[\n ]\**'^$name^'\(.*\)([ ]*\/\*.*\*\/)?\n{/-+=' |
+ sam -d $files >[2=1] |
+ awk -F'[ ;]' '
+ /^ -\. / { file = $3; next }
+ /^ - / { file = $4; next }
+ { print file ":" $1; exit }
+ '}
+}
+
+# style(1) definition
+if not{
+ r=`{grep -n '^'^$name^'\(' $files | awk -F: '{print $1 ":" $2; exit}'}
+}
+
+# success
+if(! ~ $r '')
+ echo $r
+
+# try to find macro instead
+if not
+ grep -n '^#define[ ]'^$name^'\(' $files | awk -F: '{print $1 ":" $2; exit}'