Still need something in expr.xml (incl an example or two) On Tue, Oct 3, 2017 at 9:45 AM, <yla...@apache.org> wrote: > Author: ylavic > Date: Tue Oct 3 13:45:34 2017 > New Revision: 1811010 > > URL: http://svn.apache.org/viewvc?rev=1811010&view=rev > Log: > ap_expr: follow up to r1810605. > > Better token/type descriptors for better parsing error messages. > > > Modified: > httpd/httpd/trunk/server/util_expr_parse.c > httpd/httpd/trunk/server/util_expr_parse.y > > Modified: httpd/httpd/trunk/server/util_expr_parse.c > URL: > http://svn.apache.org/viewvc/httpd/httpd/trunk/server/util_expr_parse.c?rev=1811010&r1=1811009&r2=1811010&view=diff > ============================================================================== > --- httpd/httpd/trunk/server/util_expr_parse.c (original) > +++ httpd/httpd/trunk/server/util_expr_parse.c Tue Oct 3 13:45:34 2017 > @@ -551,11 +551,12 @@ static const char *const yytname[] = > { > "$end", "error", "$undefined", "\"true\"", "\"false\"", > "\"boolean expression\"", "\"string expression\"", "\"error token\"", > - "\"number\"", "\"identifier\"", "\"string\"", "\"match regex\"", > - "\"substitution regex\"", "\"match pattern of the regex\"", > - "\"substitution pattern of the regex\"", "\"flags of the regex\"", > - "\"regex back reference\"", "\"unary operator\"", "\"binary operator\"", > - "\"start of string\"", "\"end of string\"", "\"start of variable name\"", > + "\"number\"", "\"identifier\"", "\"string literal\"", > + "\"matching regex\"", "\"substitution regex\"", > + "\"pattern of the regex\"", "\"replacement of the regex\"", > + "\"pattern flags of the regex\"", "\"capture reference in the regex\"", > + "\"unary operator\"", "\"binary operator\"", "\"start of string\"", > + "\"end of string\"", "\"start of variable name\"", > "\"end of variable name\"", "\"start of variable expression\"", > "\"end of variable expression\"", "\"integer equal\"", > "\"integer not equal\"", "\"integer less than\"", > @@ -567,14 +568,12 @@ static const char *const yytname[] = > "\"string concatenation\"", "\"split operator\"", "\"join operator\"", > "\"logical or\"", "\"logical and\"", "\"logical not\"", "\"condition\"", > "\"comparison\"", "\"string function\"", "\"list function\"", > - "\"list of words\"", "\"tuple of words\"", "\"word expression\"", > - "\"any string expression\"", "\"variable expression\"", > - "\"regular expression match\"", "\"regular expression substitution\"", > - "\"regular expression split\"", "\"any regular expression\"", > - "\"regular expression back reference\"", "'('", "')'", "'{'", "'}'", > - "','", "':'", "$accept", "root", "cond", "comp", "wordlist", "words", > - "string", "strany", "var", "word", "regex", "regsub", "regsplit", > - "regany", "regref", "lstfunc", "strfunc", YY_NULL > + "\"list of words\"", "\"tuple of words\"", "\"word\"", "\"string\"", > + "\"substring\"", "\"variable\"", "\"regex substitution\"", > + "\"regex split\"", "\"regex any\"", "\"regex capture reference\"", "'('", > + "')'", "'{'", "'}'", "','", "':'", "$accept", "root", "cond", "comp", > + "wordlist", "words", "string", "substr", "var", "word", "regex", > + "regsub", "regsplit", "regany", "regref", "lstfunc", "strfunc", YY_NULL > }; > #endif > > @@ -2023,7 +2022,7 @@ yyreduce: > > > /* Line 1787 of yacc.c */ > -#line 2027 "util_expr_parse.c" > +#line 2026 "util_expr_parse.c" > default: break; > } > /* User semantic actions sometimes alter yychar, and that requires > > Modified: httpd/httpd/trunk/server/util_expr_parse.y > URL: > http://svn.apache.org/viewvc/httpd/httpd/trunk/server/util_expr_parse.y?rev=1811010&r1=1811009&r2=1811010&view=diff > ============================================================================== > --- httpd/httpd/trunk/server/util_expr_parse.y (original) > +++ httpd/httpd/trunk/server/util_expr_parse.y Tue Oct 3 13:45:34 2017 > @@ -48,14 +48,14 @@ > > %token <cpVal> T_DIGIT "number" > %token <cpVal> T_ID "identifier" > -%token <cpVal> T_STRING "string" > +%token <cpVal> T_STRING "string literal" > > -%token T_REGEX "match regex" > +%token T_REGEX "matching regex" > %token T_REGSUB "substitution regex" > -%token <cpVal> T_REG_MATCH "match pattern of the regex" > -%token <cpVal> T_REG_SUBST "substitution pattern of the regex" > -%token <cpVal> T_REG_FLAGS "flags of the regex" > -%token <num> T_REG_REF "regex back reference" > +%token <cpVal> T_REG_MATCH "pattern of the regex" > +%token <cpVal> T_REG_SUBST "replacement of the regex" > +%token <cpVal> T_REG_FLAGS "pattern flags of the regex" > +%token <num> T_REG_REF "capture reference in the regex" > > %token <cpVal> T_OP_UNARY "unary operator" > %token <cpVal> T_OP_BINARY "binary operator" > @@ -103,15 +103,15 @@ > %type <exVal> lstfunc "list function" > %type <exVal> wordlist "list of words" > %type <exVal> words "tuple of words" > -%type <exVal> word "word expression" > -%type <exVal> string "string expression" > -%type <exVal> strany "any string expression" > -%type <exVal> var "variable expression" > -%type <exVal> regex "regular expression match" > -%type <exVal> regsub "regular expression substitution" > -%type <exVal> regsplit "regular expression split" > -%type <exVal> regany "any regular expression" > -%type <exVal> regref "regular expression back reference" > +%type <exVal> word "word" > +%type <exVal> string "string" > +%type <exVal> substr "substring" > +%type <exVal> var "variable" > +%type <exVal> regex "regex match" > +%type <exVal> regsub "regex substitution" > +%type <exVal> regsplit "regex split" > +%type <exVal> regany "regex any" > +%type <exVal> regref "regex capture reference" > > %{ > #include "util_expr_private.h" > @@ -168,12 +168,12 @@ words : word > | word ',' words { $$ = ap_expr_make(op_ListElement, > $1, $3, ctx); } > ; > > -string : strany { $$ = $1; } > - | string strany { $$ = ap_expr_concat_make($1, $2, > ctx); } > +string : substr { $$ = $1; } > + | string substr { $$ = ap_expr_concat_make($1, $2, > ctx); } > | T_ERROR { YYABORT; } > ; > > -strany : T_STRING { $$ = ap_expr_make(op_String, $1, > NULL, ctx); } > +substr : T_STRING { $$ = ap_expr_make(op_String, $1, > NULL, ctx); } > | var { $$ = $1; } > | regref { $$ = $1; } > ; > >
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