Expansions: better error messages for parse errors, and better debug

1 files changed, 139 insertions, 94 deletions

diff --git a/test/stderr/0002 b/test/stderr/0002
index b4f06a104..19ed3479a 100644
--- a/test/stderr/0002
+++ b/test/stderr/0002
@@ -1,120 +1,164 @@
 Exim version x.yz ....
 configuration file is TESTSUITE/test-config
 admin user
-expanding: primary_hostname: $primary_hostname
-   result: primary_hostname: myhost.test.ex
-expanding: abcd
-   result: abcd
-expanding: \N^([ab]+)(\w+)$\N
-   result: ^([ab]+)(\w+)$
+considering: primary_hostname: $primary_hostname
+  expanding: primary_hostname: $primary_hostname
+     result: primary_hostname: myhost.test.ex
+considering: match:  ${if match{abcd}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
+considering: abcd}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
+  expanding: abcd
+     result: abcd
+considering: \N^([ab]+)(\w+)$\N}{$2$1}fail}
+  expanding: \N^([ab]+)(\w+)$\N
+     result: ^([ab]+)(\w+)$
 condition: match{abcd}{\N^([ab]+)(\w+)$\N}
    result: true
-expanding: $2$1
-   result: cdab
-expanding: match:  ${if match{abcd}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
-   result: match:  cdab
-expanding: wxyz
-   result: wxyz
-expanding: \N^([ab]+)(\w+)$\N
-   result: ^([ab]+)(\w+)$
+considering: $2$1}fail}
+  expanding: $2$1
+     result: cdab
+  expanding: match:  ${if match{abcd}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
+     result: match:  cdab
+considering: match:  ${if match{wxyz}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
+considering: wxyz}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
+  expanding: wxyz
+     result: wxyz
+considering: \N^([ab]+)(\w+)$\N}{$2$1}fail}
+  expanding: \N^([ab]+)(\w+)$\N
+     result: ^([ab]+)(\w+)$
 condition: match{wxyz}{\N^([ab]+)(\w+)$\N}
    result: false
-expanding: $2$1
-   result: 
-skipping: result is not used
+   scanning: $2$1}fail}
+  expanding: $2$1
+     result: 
+   skipping: result is not used
 failed to expand: match:  ${if match{wxyz}{\N^([ab]+)(\w+)$\N}{$2$1}fail}
    error message: "if" failed and "fail" requested
 failure was forced
-expanding: 1
-   result: 1
-expanding: 1
-   result: 1
+considering: ${if eq {1}{1}{yes}{${lookup{xx}lsearch{/non/exist}}}}
+considering: 1}{1}{yes}{${lookup{xx}lsearch{/non/exist}}}}
+  expanding: 1
+     result: 1
+considering: 1}{yes}{${lookup{xx}lsearch{/non/exist}}}}
+  expanding: 1
+     result: 1
 condition: eq {1}{1}
    result: true
-expanding: yes
-   result: yes
-expanding: xx
-   result: xx
-skipping: result is not used
-expanding: /non/exist
-   result: /non/exist
-skipping: result is not used
-expanding: ${lookup{xx}lsearch{/non/exist}}
-   result: 
-skipping: result is not used
-expanding: ${if eq {1}{1}{yes}{${lookup{xx}lsearch{/non/exist}}}}
-   result: yes
-expanding: a.b.c
-   result: a.b.c
-expanding: a.b.c
-   result: a.b.c
+considering: yes}{${lookup{xx}lsearch{/non/exist}}}}
+  expanding: yes
+     result: yes
+   scanning: ${lookup{xx}lsearch{/non/exist}}}}
+   scanning: xx}lsearch{/non/exist}}}}
+  expanding: xx
+     result: xx
+   skipping: result is not used
+   scanning: /non/exist}}}}
+  expanding: /non/exist
+     result: /non/exist
+   skipping: result is not used
+  expanding: ${lookup{xx}lsearch{/non/exist}}
+     result: 
+   skipping: result is not used
+  expanding: ${if eq {1}{1}{yes}{${lookup{xx}lsearch{/non/exist}}}}
+     result: yes
+considering: match_address:   ${if match_address{a.b.c}{a.b.c}{yes}{no}}
+considering: a.b.c}{a.b.c}{yes}{no}}
+  expanding: a.b.c
+     result: a.b.c
+considering: a.b.c}{yes}{no}}
+  expanding: a.b.c
+     result: a.b.c
 LOG: MAIN PANIC
   no @ found in the subject of an address list match: subject="a.b.c" pattern="a.b.c"
 condition: match_address{a.b.c}{a.b.c}
    result: false
-expanding: yes
-   result: yes
-skipping: result is not used
-expanding: no
-   result: no
-expanding: match_address:   ${if match_address{a.b.c}{a.b.c}{yes}{no}}
-   result: match_address:   no
+   scanning: yes}{no}}
+  expanding: yes
+     result: yes
+   skipping: result is not used
+considering: no}}
+  expanding: no
+     result: no
+  expanding: match_address:   ${if match_address{a.b.c}{a.b.c}{yes}{no}}
+     result: match_address:   no
 >>>>>>>>>>>>>>>> Exim pid=pppp terminating with rc=0 >>>>>>>>>>>>>>>>
 Exim version x.yz ....
 configuration file is TESTSUITE/test-config
 admin user
-expanding: -oMa  sender_host_address = $sender_host_address
-   result: -oMa  sender_host_address = V4NET.0.0.1
-expanding:       sender_host_port = $sender_host_port
-   result:       sender_host_port = 1234
-expanding: -oMaa sender_host_authenticated = $sender_host_authenticated
-   result: -oMaa sender_host_authenticated = AAA
-expanding: -oMai authenticated_id = $authenticated_id
-   result: -oMai authenticated_id = philip
-expanding: -oMas authenticated_sender = $authenticated_sender
-   result: -oMas authenticated_sender = xx@yy.zz
-expanding: -oMi  interface_address = $interface_address
-   result: -oMi  interface_address = 1.1.1.1
-expanding:       interface_port = $interface_port
-   result:       interface_port = 99
-expanding: -oMr  received_protocol = $received_protocol
-   result: -oMr  received_protocol = special
-expanding: -oMt  sender_ident = $sender_ident
-   result: -oMt  sender_ident = me
+considering: -oMa  sender_host_address = $sender_host_address
+  expanding: -oMa  sender_host_address = $sender_host_address
+     result: -oMa  sender_host_address = V4NET.0.0.1
+considering:       sender_host_port = $sender_host_port
+  expanding:       sender_host_port = $sender_host_port
+     result:       sender_host_port = 1234
+considering: -oMaa sender_host_authenticated = $sender_host_authenticated
+  expanding: -oMaa sender_host_authenticated = $sender_host_authenticated
+     result: -oMaa sender_host_authenticated = AAA
+considering: -oMai authenticated_id = $authenticated_id
+  expanding: -oMai authenticated_id = $authenticated_id
+     result: -oMai authenticated_id = philip
+considering: -oMas authenticated_sender = $authenticated_sender
+  expanding: -oMas authenticated_sender = $authenticated_sender
+     result: -oMas authenticated_sender = xx@yy.zz
+considering: -oMi  interface_address = $interface_address
+  expanding: -oMi  interface_address = $interface_address
+     result: -oMi  interface_address = 1.1.1.1
+considering:       interface_port = $interface_port
+  expanding:       interface_port = $interface_port
+     result:       interface_port = 99
+considering: -oMr  received_protocol = $received_protocol
+  expanding: -oMr  received_protocol = $received_protocol
+     result: -oMr  received_protocol = special
+considering: -oMt  sender_ident = $sender_ident
+  expanding: -oMt  sender_ident = $sender_ident
+     result: -oMt  sender_ident = me
 >>>>>>>>>>>>>>>> Exim pid=pppp terminating with rc=0 >>>>>>>>>>>>>>>>
 1999-03-02 09:44:33 no host name found for IP address V4NET.11.12.13
 Exim version x.yz ....
 configuration file is TESTSUITE/test-config
 admin user
-expanding: -oMa  sender_host_address = $sender_host_address
-   result: -oMa  sender_host_address = V4NET.0.0.1
-expanding:       sender_host_port = $sender_host_port
-   result:       sender_host_port = 1234
-expanding: -oMaa sender_host_authenticated = $sender_host_authenticated
-   result: -oMaa sender_host_authenticated = AAA
-expanding: -oMai authenticated_id = $authenticated_id
-   result: -oMai authenticated_id = philip
-expanding: -oMas authenticated_sender = $authenticated_sender
-   result: -oMas authenticated_sender = xx@yy.zz
-expanding: -oMi  interface_address = $interface_address
-   result: -oMi  interface_address = 1.1.1.1
-expanding:       interface_port = $interface_port
-   result:       interface_port = 99
-expanding: -oMr  received_protocol = $received_protocol
-   result: -oMr  received_protocol = special
-expanding: black
-   result: black
-expanding: white
-   result: white
+considering: -oMa  sender_host_address = $sender_host_address
+  expanding: -oMa  sender_host_address = $sender_host_address
+     result: -oMa  sender_host_address = V4NET.0.0.1
+considering:       sender_host_port = $sender_host_port
+  expanding:       sender_host_port = $sender_host_port
+     result:       sender_host_port = 1234
+considering: -oMaa sender_host_authenticated = $sender_host_authenticated
+  expanding: -oMaa sender_host_authenticated = $sender_host_authenticated
+     result: -oMaa sender_host_authenticated = AAA
+considering: -oMai authenticated_id = $authenticated_id
+  expanding: -oMai authenticated_id = $authenticated_id
+     result: -oMai authenticated_id = philip
+considering: -oMas authenticated_sender = $authenticated_sender
+  expanding: -oMas authenticated_sender = $authenticated_sender
+     result: -oMas authenticated_sender = xx@yy.zz
+considering: -oMi  interface_address = $interface_address
+  expanding: -oMi  interface_address = $interface_address
+     result: -oMi  interface_address = 1.1.1.1
+considering:       interface_port = $interface_port
+  expanding:       interface_port = $interface_port
+     result:       interface_port = 99
+considering: -oMr  received_protocol = $received_protocol
+  expanding: -oMr  received_protocol = $received_protocol
+     result: -oMr  received_protocol = special
+considering: ----> No lookup yet: ${if eq{black}{white}{$sender_host_name}{No}}
+considering: black}{white}{$sender_host_name}{No}}
+  expanding: black
+     result: black
+considering: white}{$sender_host_name}{No}}
+  expanding: white
+     result: white
 condition: eq{black}{white}
    result: false
-expanding: $sender_host_name
-   result: 
-skipping: result is not used
-expanding: No
-   result: No
-expanding: ----> No lookup yet: ${if eq{black}{white}{$sender_host_name}{No}}
-   result: ----> No lookup yet: No
+   scanning: $sender_host_name}{No}}
+  expanding: $sender_host_name
+     result: 
+   skipping: result is not used
+considering: No}}
+  expanding: No
+     result: No
+  expanding: ----> No lookup yet: ${if eq{black}{white}{$sender_host_name}{No}}
+     result: ----> No lookup yet: No
+considering: -oMs  sender_host_name = $sender_host_name
 looking up host name for V4NET.0.0.1
 IP address lookup yielded "ten-1.test.ex"
 ten-1.test.ex V4NET.0.0.1 mx=-1 sort=xx 
@@ -122,10 +166,11 @@ checking addresses for ten-1.test.ex
   V4NET.0.0.1 OK
 sender_fullhost = ten-1.test.ex [V4NET.0.0.1]
 sender_rcvhost = ten-1.test.ex ([V4NET.0.0.1] ident=me)
-expanding: -oMs  sender_host_name = $sender_host_name
-   result: -oMs  sender_host_name = ten-1.test.ex
-expanding: -oMt  sender_ident = $sender_ident
-   result: -oMt  sender_ident = me
+  expanding: -oMs  sender_host_name = $sender_host_name
+     result: -oMs  sender_host_name = ten-1.test.ex
+considering: -oMt  sender_ident = $sender_ident
+  expanding: -oMt  sender_ident = $sender_ident
+     result: -oMt  sender_ident = me
 >>>>>>>>>>>>>>>> Exim pid=pppp terminating with rc=0 >>>>>>>>>>>>>>>>
 Exim version x.yz ....
 changed uid/gid: forcing real = effective