change: made the error messages for regex compilation failures less verbose.

src/ngx_http_lua_regex.c

@@ -288,11 +288,7 @@ ngx_http_lua_ngx_re_match(lua_State *L)
         dd("compile failed");
 
         lua_pushnil(L);
-
-        re_comp.err.data[re_comp.err.len] = '\0';
-        msg = lua_pushfstring(L, "failed to compile regex \"%s\": %s",
-                              pat.data, re_comp.err.data);
-
+        lua_pushlstring(L, (char *) re_comp.err.data, re_comp.err.len);
         return 2;
     }
 
@@ -711,11 +707,7 @@ ngx_http_lua_ngx_re_gmatch(lua_State *L)
         dd("compile failed");
 
         lua_pushnil(L);
-
-        re_comp.err.data[re_comp.err.len] = '\0';
-        msg = lua_pushfstring(L, "failed to compile regex \"%s\": %s",
-                              pat.data, re_comp.err.data);
-
+        lua_pushlstring(L, (char *) re_comp.err.data, re_comp.err.len);
         return 2;
     }
 
@@ -1397,11 +1389,7 @@ ngx_http_lua_ngx_re_sub_helper(lua_State *L, unsigned global)
 
         lua_pushnil(L);
         lua_pushnil(L);
-
-        re_comp.err.data[re_comp.err.len] = '\0';
-        msg = lua_pushfstring(L, "failed to compile regex \"%s\": %s",
-                              pat.data, re_comp.err.data);
-
+        lua_pushlstring(L, (char *) re_comp.err.data, re_comp.err.len);
         return 3;
     }
 

t/034-match.t

@@ -241,7 +241,7 @@ hello
 --- request
     GET /re
 --- response_body_like chop
-^(?:FAIL: bad argument \#2 to '\?' \(failed to compile regex "HELLO\.\{2\}": pcre_compile\(\) failed: this version of PCRE is not compiled with PCRE_UTF8 support in "HELLO\.\{2\}" at "HELLO\.\{2\}"\)|hello章亦)$
+^(?:FAIL: bad argument \#2 to '\?' \(pcre_compile\(\) failed: this version of PCRE is not compiled with PCRE_UTF8 support in "HELLO\.\{2\}" at "HELLO\.\{2\}"\)|hello章亦)$
 
 
 
@@ -362,7 +362,7 @@ he
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 
@@ -649,7 +649,7 @@ regex: (?:>[\w\s]*</?\w{2,}>)
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "([0-9]+": pcre_compile() failed: missing ) in "([0-9]+"
+error: pcre_compile() failed: missing ) in "([0-9]+"
 
 --- no_error_log
 [error]

t/035-gmatch.t

@@ -699,7 +699,7 @@ not matched!
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/036-sub.t

@@ -476,7 +476,7 @@ a [b c] [b] [c] [] [] d
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/038-match-o.t

@@ -338,7 +338,7 @@ he
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/047-match-jit.t

@@ -122,7 +122,7 @@ pcre JIT compiling result: 1
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/049-gmatch-jit.t

@@ -208,7 +208,7 @@ pcre JIT compiling result: 1
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/050-gmatch-dfa.t

@@ -213,7 +213,7 @@ hello
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/051-sub-jit.t

@@ -116,7 +116,7 @@ pcre JIT compiling result: 1
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 
@@ -137,7 +137,7 @@ error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/052-sub-dfa.t

@@ -109,7 +109,7 @@ hello, world: 0
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 
@@ -131,7 +131,7 @@ error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/053-gsub-jit.t

@@ -116,7 +116,7 @@ pcre JIT compiling result: 1
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 
@@ -137,7 +137,7 @@ error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]
 

t/054-gsub-dfa.t

@@ -109,7 +109,7 @@ hello, world: 0
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 
 
 
@@ -128,7 +128,7 @@ error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc
 --- request
     GET /re
 --- response_body
-error: failed to compile regex "(abc": pcre_compile() failed: missing ) in "(abc"
+error: pcre_compile() failed: missing ) in "(abc"
 --- no_error_log
 [error]