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-rw-r--r--Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex3721
1 files changed, 3678 insertions, 43 deletions
diff --git a/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex b/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex
index 16769c81796..ed3ba7dd47d 100644
--- a/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex
+++ b/Master/texmf-dist/tex/latex/l3kernel/expl3-code.tex
@@ -13,6 +13,7 @@
%% l3str.dtx (with options: `package')
%% l3seq.dtx (with options: `package')
%% l3int.dtx (with options: `package')
+%% l3intarray.dtx (with options: `package')
%% l3flag.dtx (with options: `package')
%% l3quark.dtx (with options: `package')
%% l3prg.dtx (with options: `package')
@@ -37,6 +38,9 @@
%% l3fp-random.dtx (with options: `package')
%% l3fp-assign.dtx (with options: `package')
%% l3sort.dtx (with options: `package')
+%% l3tl-build.dtx (with options: `package')
+%% l3tl-analysis.dtx (with options: `package')
+%% l3regex.dtx (with options: `package')
%% l3box.dtx (with options: `package')
%% l3coffins.dtx (with options: `package')
%% l3color.dtx (with options: `package')
@@ -58,7 +62,7 @@
%% and all files in that bundle must be distributed together.
%%
%% File: expl3.dtx Copyright (C) 1990-2017 The LaTeX3 Project
-\def\ExplFileDate{2017/05/13}%
+\def\ExplFileDate{2017/05/29}%
\begingroup
\def\next{\endgroup}%
\expandafter\ifx\csname PackageError\endcsname\relax
@@ -3094,6 +3098,7 @@
{ \__prg_map_break:Nn \tl_map_break: { } }
\cs_new:Npn \tl_map_break:n
{ \__prg_map_break:Nn \tl_map_break: }
+\cs_generate_variant:Nn \tl_to_str:n { V }
\cs_new:Npn \tl_to_str:N #1 { \etex_detokenize:D \exp_after:wN {#1} }
\cs_generate_variant:Nn \tl_to_str:N { c }
\cs_new:Npn \tl_use:N #1
@@ -5429,6 +5434,60 @@
\int_new:N \g_tmpa_int
\int_new:N \g_tmpb_int
\cs_new_eq:NN \c_minus_one \m@ne
+%% File: l3intarray.dtx Copyright (C) 2017 The LaTeX3 Project
+\int_new:N \g__intarray_font_int
+\cs_new_protected:Npn \__intarray_new:Nn #1#2
+ {
+ \__chk_if_free_cs:N #1
+ \int_gincr:N \g__intarray_font_int
+ \tex_global:D \tex_font:D #1 = cmr10~at~ \g__intarray_font_int sp \scan_stop:
+ \tex_hyphenchar:D #1 = \int_eval:n {#2} \scan_stop:
+ \int_compare:nNnT { \tex_hyphenchar:D #1 } > 0
+ { \tex_fontdimen:D \tex_hyphenchar:D #1 #1 = 0 sp \scan_stop: }
+ \int_step_inline:nnnn { 1 } { 1 } { 8 }
+ { \tex_fontdimen:D ##1 #1 = 0 sp \scan_stop: }
+ }
+\cs_new:Npn \__intarray_count:N #1 { \tex_the:D \tex_hyphenchar:D #1 }
+\cs_new_protected:Npn \__intarray_gset_fast:Nnn #1#2#3
+ { \tex_fontdimen:D \int_eval:n {#2} #1 = \int_eval:n {#3} sp \scan_stop: }
+\cs_new_protected:Npn \__intarray_gset:Nnn #1#2#3
+ {
+ \exp_args:Nff \__intarray_gset_aux:Nnn #1
+ { \int_eval:n {#2} } { \int_eval:n {#3} }
+ }
+\cs_new_protected:Npn \__intarray_gset_aux:Nnn #1#2#3
+ {
+ \int_compare:nTF { 1 <= #2 <= \__intarray_count:N #1 }
+ {
+ \int_compare:nTF { - \c_max_dim <= \int_abs:n {#3} <= \c_max_dim }
+ { \__intarray_gset_fast:Nnn #1 {#2} {#3} }
+ {
+ \__msg_kernel_error:nnxxxx { kernel } { overflow }
+ { \token_to_str:N #1 } {#2} {#3}
+ { \int_compare:nNnT {#3} < 0 { - } \__int_value:w \c_max_dim }
+ \__intarray_gset_fast:Nnn #1 {#2}
+ { \int_compare:nNnT {#3} < 0 { - } \c_max_dim }
+ }
+ }
+ {
+ \__msg_kernel_error:nnxxx { kernel } { out-of-bounds }
+ { \token_to_str:N #1 } {#2} { \__intarray_count:N #1 }
+ }
+ }
+\cs_new:Npn \__intarray_item_fast:Nn #1#2
+ { \__int_value:w \tex_fontdimen:D \int_eval:n {#2} #1 }
+\cs_new:Npn \__intarray_item:Nn #1#2
+ { \exp_args:Nf \__intarray_item_aux:Nn #1 { \int_eval:n {#2} } }
+\cs_new:Npn \__intarray_item_aux:Nn #1#2
+ {
+ \int_compare:nTF { 1 <= #2 <= \__intarray_count:N #1 }
+ { \__intarray_item_fast:Nn #1 {#2} }
+ {
+ \__msg_kernel_expandable_error:nnnnn { kernel } { out-of-bounds }
+ { \token_to_str:N #1 } {#2} { \__intarray_count:N #1 }
+ 0
+ }
+ }
%% File: l3flag.dtx Copyright (C) 2011-2012,2014-2017 The LaTeX3 Project
\cs_new_protected:Npn \flag_new:n #1
{
@@ -8098,6 +8157,18 @@
needed~when~defining~conditionals~or~variants,~or~when~building~a~
parameter~text~from~the~number~of~arguments~of~the~function.
}
+\__msg_kernel_new:nnnn { kernel } { overflow }
+ { Integers~larger~than~2^{30}-1~cannot~be~stored~in~arrays. }
+ {
+ An~attempt~was~made~to~store~#3~at~position~#2~in~the~array~'#1'.~
+ The~largest~allowed~value~#4~will~be~used~instead.
+ }
+\__msg_kernel_new:nnnn { kernel } { out-of-bounds }
+ { Access~to~an~entry~beyond~an~array's~bounds. }
+ {
+ An~attempt~was~made~to~access~or~store~data~at~position~#2~of~the~
+ array~'#1',~but~this~array~has~entries~at~positions~from~1~to~#3.
+ }
\__msg_kernel_new:nnnn { kernel } { protected-predicate }
{ Predicate~'#1'~must~be~expandable. }
{
@@ -8607,6 +8678,37 @@
\int_set:Nn \tex_endlinechar:D { \int_use:N \tex_endlinechar:D }
}
}
+\cs_new:Npn \ior_map_break:
+ { \__prg_map_break:Nn \ior_map_break: { } }
+\cs_new:Npn \ior_map_break:n
+ { \__prg_map_break:Nn \ior_map_break: }
+\cs_new_protected:Npn \ior_map_inline:Nn
+ { \__ior_map_inline:NNn \ior_get:NN }
+\cs_new_protected:Npn \ior_str_map_inline:Nn
+ { \__ior_map_inline:NNn \ior_str_get:NN }
+\cs_new_protected:Npn \__ior_map_inline:NNn
+ {
+ \int_gincr:N \g__prg_map_int
+ \exp_args:Nc \__ior_map_inline:NNNn
+ { __prg_map_ \int_use:N \g__prg_map_int :n }
+ }
+\cs_new_protected:Npn \__ior_map_inline:NNNn #1#2#3#4
+ {
+ \cs_gset_protected:Npn #1 ##1 {#4}
+ \ior_if_eof:NF #3 { \__ior_map_inline_loop:NNN #1#2#3 }
+ \__prg_break_point:Nn \ior_map_break:
+ { \int_gdecr:N \g__prg_map_int }
+ }
+\cs_new_protected:Npn \__ior_map_inline_loop:NNN #1#2#3
+ {
+ #2 #3 \l__ior_internal_tl
+ \ior_if_eof:NF #3
+ {
+ \exp_args:No #1 \l__ior_internal_tl
+ \__ior_map_inline_loop:NNN #1#2#3
+ }
+ }
+\tl_new:N \l__ior_internal_tl
\ior_new:N \g__file_internal_ior
\int_const:Nn \c_log_iow { -1 }
\int_const:Nn \c_term_iow
@@ -10038,11 +10140,18 @@
\cs_generate_variant:Nn \__keys_set_known:nnnN { o }
\cs_new_protected:Npn \keys_set_known:nn #1#2
{
+ \bool_if:NTF \l__keys_only_known_bool
+ { \keys_set:nn }
+ { \__keys_set_known:nn }
+ {#1} {#2}
+ }
+\cs_generate_variant:Nn \keys_set_known:nn { nV , nv , no }
+\cs_new_protected:Npn \__keys_set_known:nn #1#2
+ {
\bool_set_true:N \l__keys_only_known_bool
\keys_set:nn {#1} {#2}
\bool_set_false:N \l__keys_only_known_bool
}
-\cs_generate_variant:Nn \keys_set_known:nn { nV , nv , no }
\cs_new_protected:Npn \keys_set_filter:nnnN
{ \__keys_set_filter:onnnN \l__keys_unused_clist }
\cs_generate_variant:Nn \keys_set_filter:nnnN { nnV , nnv , nno }
@@ -10056,22 +10165,50 @@
\cs_generate_variant:Nn \__keys_set_filter:nnnnN { o }
\cs_new_protected:Npn \keys_set_filter:nnn #1#2#3
{
- \bool_set_true:N \l__keys_selective_bool
- \bool_set_true:N \l__keys_filtered_bool
- \seq_set_from_clist:Nn \l__keys_selective_seq {#2}
- \keys_set:nn {#1} {#3}
- \bool_set_false:N \l__keys_selective_bool
+ \bool_if:NTF \l__keys_filtered_bool
+ { \__keys_set_selective:nnn }
+ { \__keys_set_filter:nnn }
+ {#1} {#2} {#3}
}
\cs_generate_variant:Nn \keys_set_filter:nnn { nnV , nnv , nno }
+\cs_new_protected:Npn \__keys_set_filter:nnn #1#2#3
+ {
+ \bool_set_true:N \l__keys_filtered_bool
+ \__keys_set_selective:nnn {#1} {#2} {#3}
+ \bool_set_false:N \l__keys_filtered_bool
+ }
\cs_new_protected:Npn \keys_set_groups:nnn #1#2#3
{
- \bool_set_true:N \l__keys_selective_bool
+ \bool_if:NTF \l__keys_filtered_bool
+ { \__keys_set_groups:nnn }
+ { \__keys_set_selective:nnn }
+ {#1} {#2} {#3}
+ }
+\cs_generate_variant:Nn \keys_set_groups:nnn { nnV , nnv , nno }
+\cs_new_protected:Npn \__keys_set_groups:nnn #1#2#3
+ {
\bool_set_false:N \l__keys_filtered_bool
- \seq_set_from_clist:Nn \l__keys_selective_seq {#2}
- \keys_set:nn {#1} {#3}
+ \__keys_set_selective:nnn {#1} {#2} {#3}
+ \bool_set_true:N \l__keys_filtered_bool
+ }
+\cs_new_protected:Npn \__keys_set_selective:nnn
+ { \__keys_set_selective:onnn \l__keys_selective_seq }
+\cs_new_protected:Npn \__keys_set_selective:nnnn #1#2#3#4
+ {
+ \seq_set_from_clist:Nn \l__keys_selective_seq {#3}
+ \bool_if:NTF \l__keys_selective_bool
+ { \keys_set:nn }
+ { \__keys_set_selective:nn }
+ {#2} {#4}
+ \tl_set:Nn \l__keys_selective_seq {#1}
+ }
+\cs_generate_variant:Nn \__keys_set_selective:nnnn { o }
+\cs_new_protected:Npn \__keys_set_selective:nn #1#2
+ {
+ \bool_set_true:N \l__keys_selective_bool
+ \keys_set:nn {#1} {#2}
\bool_set_false:N \l__keys_selective_bool
}
-\cs_generate_variant:Nn \keys_set_groups:nnn { nnV , nnv , nno }
\cs_new_protected:Npn \__keys_set:n #1
{
\bool_set_true:N \l__keys_no_value_bool
@@ -16214,6 +16351,3458 @@
\cs_gset_eq:NN \sort_reversed: \sort_return_swapped:
\sort_return_swapped:
}
+%% File: l3tl-build.dtx Copyright (C) 2011-2017 The LaTeX3 Project
+\int_new:N \l__tl_build_start_index_int
+\int_new:N \l__tl_build_index_int
+\tl_new:N \l__tl_build_result_tl
+\cs_new_protected:Npn \__tl_build_unpack:
+ {
+ \tl_put_right:Nx \l__tl_build_result_tl
+ {
+ \exp_after:wN \__tl_build_unpack_loop:w
+ \int_use:N \l__tl_build_start_index_int ;
+ \__prg_break_point:
+ }
+ }
+\cs_new:Npn \__tl_build_unpack_loop:w #1 ;
+ {
+ \if_int_compare:w #1 = \l__tl_build_index_int
+ \exp_after:wN \__prg_break:
+ \fi:
+ \tex_the:D \tex_toks:D #1 \exp_stop_f:
+ \exp_after:wN \__tl_build_unpack_loop:w
+ \int_use:N \__int_eval:w #1 + 1 ;
+ }
+\cs_new_protected:Npn \__tl_build:Nw
+ { \__tl_build_aux:NNw \tl_set:Nn }
+\cs_new_protected:Npn \__tl_build_x:Nw
+ { \__tl_build_aux:NNw \tl_set:Nx }
+\cs_new_protected:Npn \__tl_gbuild:Nw
+ { \__tl_build_aux:NNw \tl_gset:Nn }
+\cs_new_protected:Npn \__tl_gbuild_x:Nw
+ { \__tl_build_aux:NNw \tl_gset:Nx }
+\cs_new_protected:Npn \__tl_build_aux:NNw #1#2
+ {
+ \group_begin:
+ \cs_set:Npn \__tl_build_end_assignment:n
+ { \group_end: #1 #2 }
+ \int_zero:N \l__tl_build_start_index_int
+ \int_zero:N \l__tl_build_index_int
+ \tl_clear:N \l__tl_build_result_tl
+ }
+\cs_new_protected:Npn \__tl_build_end:
+ {
+ \__tl_build_unpack:
+ \exp_args:No
+ \__tl_build_end_assignment:n \l__tl_build_result_tl
+ }
+\cs_new_eq:NN \__tl_build_end_assignment:n \use_none:n
+\cs_new_protected:Npn \__tl_build_one:n #1
+ {
+ \tex_toks:D \l__tl_build_index_int {#1}
+ \int_incr:N \l__tl_build_index_int
+ \if_int_compare:w \l__tl_build_index_int > \c_max_register_int
+ \__tl_build_unpack:
+ \l__tl_build_index_int \l__tl_build_start_index_int
+ \fi:
+ }
+\cs_new_protected:Npn \__tl_build_one:o #1
+ {
+ \tex_toks:D \l__tl_build_index_int \exp_after:wN {#1}
+ \int_incr:N \l__tl_build_index_int
+ \if_int_compare:w \l__tl_build_index_int > \c_max_register_int
+ \__tl_build_unpack:
+ \l__tl_build_index_int \l__tl_build_start_index_int
+ \fi:
+ }
+\cs_new_protected:Npn \__tl_build_one:x #1
+ { \use:x { \__tl_build_one:n {#1} } }
+%% File: l3tl-analysis.dtx Copyright (C) 2011-2012,2015-2017 The LaTeX3 Project%
+\__scan_new:N \s__tl
+\tl_new:N \l__tl_analysis_internal_tl
+\cs_new_eq:NN \l__tl_analysis_token ?
+\cs_new_eq:NN \l__tl_analysis_char_token ?
+\int_new:N \l__tl_analysis_normal_int
+\int_new:N \l__tl_analysis_index_int
+\int_new:N \l__tl_analysis_nesting_int
+\int_new:N \l__tl_analysis_type_int
+\tl_new:N \g__tl_analysis_result_tl
+\cs_new:Npn \__tl_analysis_extract_charcode:
+ {
+ \exp_after:wN \__tl_analysis_extract_charcode_aux:w
+ \token_to_meaning:N \l__tl_analysis_token
+ }
+\cs_new:Npn \__tl_analysis_extract_charcode_aux:w #1 ~ #2 ~ { ` }
+\cs_new:Npn \__tl_analysis_cs_space_count:NN #1 #2
+ {
+ \exp_after:wN #1
+ \__int_value:w \__int_eval:w 0
+ \exp_after:wN \__tl_analysis_cs_space_count:w
+ \token_to_str:N #2
+ \fi: \__tl_analysis_cs_space_count_end:w ; ~ !
+ }
+\cs_new:Npn \__tl_analysis_cs_space_count:w #1 ~
+ {
+ \if_false: #1 #1 \fi:
+ + 1
+ \__tl_analysis_cs_space_count:w
+ }
+\cs_new:Npn \__tl_analysis_cs_space_count_end:w ; #1 \fi: #2 !
+ { \exp_after:wN ; \__int_value:w \str_count_ignore_spaces:n {#1} ; }
+\cs_new_protected:Npn \__tl_analysis:n #1
+ {
+ \group_begin:
+ \group_align_safe_begin:
+ \__tl_analysis_setup:n {#1}
+ \__tl_analysis_a:n {#1}
+ \__tl_analysis_b:n {#1}
+ \group_align_safe_end:
+ \group_end:
+ }
+\cs_new_protected:Npn \__tl_analysis_setup:n #1
+ {
+ \int_set:Nn \tex_escapechar:D { -1 }
+ \exp_after:wN \__tl_analysis_disable_loop:N
+ \tl_to_str:n {#1} { ~ } { ? \__prg_break: }
+ \__prg_break_point:
+ \scan_stop:
+ }
+\group_begin:
+ \char_set_catcode_active:N \^^@
+ \cs_new_protected:Npn \__tl_analysis_disable_loop:N #1
+ {
+ \tex_lccode:D 0 = `#1 ~
+ \tex_lowercase:D { \tex_let:D ^^@ } \tex_undefined:D
+ \__tl_analysis_disable_loop:N
+ }
+ \cs_if_exist:NT \ptex_kanjiskip:D
+ {
+ \cs_gset_protected:Npn \__tl_analysis_disable_loop:N #1
+ {
+ \use_none:n #1 \scan_stop:
+ \if_int_compare:w 256 > `#1 \exp_stop_f:
+ \tex_lccode:D 0 = `#1 ~
+ \tex_lowercase:D { \tex_let:D ^^@ } \tex_undefined:D
+ \fi:
+ \__tl_analysis_disable_loop:N
+ }
+ }
+\group_end:
+\cs_new_protected:Npn \__tl_analysis_a:n #1
+ {
+ \int_set:Nn \tex_escapechar:D { 92 }
+ \int_zero:N \l__tl_analysis_normal_int
+ \int_zero:N \l__tl_analysis_index_int
+ \int_zero:N \l__tl_analysis_nesting_int
+ \if_false: { \fi: \__tl_analysis_a_loop:w #1 }
+ \int_decr:N \l__tl_analysis_index_int
+ }
+\cs_new_protected:Npn \__tl_analysis_a_loop:w
+ { \tex_futurelet:D \l__tl_analysis_token \__tl_analysis_a_type:w }
+\cs_new_protected:Npn \__tl_analysis_a_type:w
+ {
+ \l__tl_analysis_type_int =
+ \if_meaning:w \l__tl_analysis_token \c_space_token
+ 0
+ \else:
+ \if_catcode:w \exp_not:N \l__tl_analysis_token \c_group_begin_token
+ 1
+ \else:
+ \if_catcode:w \exp_not:N \l__tl_analysis_token \c_group_end_token
+ - 1
+ \else:
+ 2
+ \fi:
+ \fi:
+ \fi:
+ \exp_stop_f:
+ \if_case:w \l__tl_analysis_type_int
+ \exp_after:wN \__tl_analysis_a_space:w
+ \or: \exp_after:wN \__tl_analysis_a_bgroup:w
+ \or: \exp_after:wN \__tl_analysis_a_safe:N
+ \else: \exp_after:wN \__tl_analysis_a_egroup:w
+ \fi:
+ }
+\cs_new_protected:Npn \__tl_analysis_a_space:w
+ {
+ \tex_afterassignment:D \__tl_analysis_a_space_test:w
+ \exp_after:wN \cs_set_eq:NN
+ \exp_after:wN \l__tl_analysis_char_token
+ \token_to_str:N
+ }
+\cs_new_protected:Npn \__tl_analysis_a_space_test:w
+ {
+ \if_meaning:w \l__tl_analysis_char_token \c_space_token
+ \tex_toks:D \l__tl_analysis_index_int { \exp_not:n { ~ } }
+ \__tl_analysis_a_store:
+ \else:
+ \int_incr:N \l__tl_analysis_normal_int
+ \fi:
+ \__tl_analysis_a_loop:w
+ }
+\group_begin:
+ \char_set_catcode_group_begin:N \^^@
+ \char_set_catcode_group_end:N \^^E
+ \cs_new_protected:Npn \__tl_analysis_a_bgroup:w
+ { \__tl_analysis_a_group:nw { \exp_after:wN ^^@ \if_false: ^^E \fi: } }
+ \char_set_catcode_group_begin:N \^^B
+ \char_set_catcode_group_end:N \^^@
+ \cs_new_protected:Npn \__tl_analysis_a_egroup:w
+ { \__tl_analysis_a_group:nw { \if_false: ^^B \fi: ^^@ } }
+\group_end:
+\cs_new_protected:Npn \__tl_analysis_a_group:nw #1
+ {
+ \tex_lccode:D 0 = \__tl_analysis_extract_charcode: \scan_stop:
+ \tex_lowercase:D { \tex_toks:D \l__tl_analysis_index_int {#1} }
+ \if_int_compare:w \tex_lccode:D 0 = \tex_escapechar:D
+ \int_set:Nn \tex_escapechar:D { 139 - \tex_escapechar:D }
+ \fi:
+ \tex_afterassignment:D \__tl_analysis_a_group_test:w
+ \exp_after:wN \cs_set_eq:NN
+ \exp_after:wN \l__tl_analysis_char_token
+ \token_to_str:N
+ }
+\cs_new_protected:Npn \__tl_analysis_a_group_test:w
+ {
+ \if_charcode:w \l__tl_analysis_token \l__tl_analysis_char_token
+ \__tl_analysis_a_store:
+ \else:
+ \int_incr:N \l__tl_analysis_normal_int
+ \fi:
+ \__tl_analysis_a_loop:w
+ }
+\cs_new_protected:Npn \__tl_analysis_a_store:
+ {
+ \tex_advance:D \l__tl_analysis_nesting_int \l__tl_analysis_type_int
+ \if_int_compare:w \tex_lccode:D 0 = `\ \exp_stop_f:
+ \tex_multiply:D \l__tl_analysis_type_int 2 \exp_stop_f:
+ \fi:
+ \tex_skip:D \l__tl_analysis_index_int
+ = \l__tl_analysis_normal_int sp plus \l__tl_analysis_type_int sp \scan_stop:
+ \int_incr:N \l__tl_analysis_index_int
+ \int_zero:N \l__tl_analysis_normal_int
+ \if_int_compare:w \l__tl_analysis_nesting_int = -1 \exp_stop_f:
+ \cs_set_eq:NN \__tl_analysis_a_loop:w \scan_stop:
+ \fi:
+ }
+\cs_new_protected:Npn \__tl_analysis_a_safe:N #1
+ {
+ \if_charcode:w
+ \scan_stop:
+ \exp_after:wN \use_none:n \token_to_str:N #1 \prg_do_nothing:
+ \scan_stop:
+ \int_incr:N \l__tl_analysis_normal_int
+ \else:
+ \__tl_analysis_cs_space_count:NN \__tl_analysis_a_cs:ww #1
+ \fi:
+ \__tl_analysis_a_loop:w
+ }
+\cs_new_protected:Npn \__tl_analysis_a_cs:ww #1; #2;
+ {
+ \if_int_compare:w #1 > 0 \exp_stop_f:
+ \tex_skip:D \l__tl_analysis_index_int
+ = \__int_eval:w \l__tl_analysis_normal_int + 1 sp \scan_stop:
+ \tex_advance:D \l__tl_analysis_index_int #1 \exp_stop_f:
+ \l__tl_analysis_normal_int #2 \exp_stop_f:
+ \else:
+ \tex_advance:D \l__tl_analysis_normal_int #2 \exp_stop_f:
+ \fi:
+ }
+\cs_new_protected:Npn \__tl_analysis_b:n #1
+ {
+ \tl_gset:Nx \g__tl_analysis_result_tl
+ {
+ \__tl_analysis_b_loop:w 0; #1
+ \__prg_break_point:
+ }
+ }
+\cs_new:Npn \__tl_analysis_b_loop:w #1;
+ {
+ \exp_after:wN \__tl_analysis_b_normals:ww
+ \__int_value:w \tex_skip:D #1 ; #1 ;
+ }
+\cs_new:Npn \__tl_analysis_b_normals:ww #1;
+ {
+ \if_int_compare:w #1 = 0 \exp_stop_f:
+ \__tl_analysis_b_special:w
+ \fi:
+ \__tl_analysis_b_normal:wwN #1;
+ }
+\cs_new:Npn \__tl_analysis_b_normal:wwN #1; #2; #3
+ {
+ \exp_not:n { \exp_not:n { #3 } } \s__tl
+ \if_charcode:w
+ \scan_stop:
+ \exp_after:wN \use_none:n \token_to_str:N #3 \prg_do_nothing:
+ \scan_stop:
+ \exp_after:wN \__tl_analysis_b_char:Nww
+ \else:
+ \exp_after:wN \__tl_analysis_b_cs:Nww
+ \fi:
+ #3 #1; #2;
+ }
+\cs_new:Npx \__tl_analysis_b_char:Nww #1
+ {
+ \exp_not:N \if_meaning:w #1 \exp_not:N \tex_undefined:D
+ \token_to_str:N D \exp_not:N \else:
+ \exp_not:N \if_catcode:w #1 \c_catcode_other_token
+ \token_to_str:N C \exp_not:N \else:
+ \exp_not:N \if_catcode:w #1 \c_catcode_letter_token
+ \token_to_str:N B \exp_not:N \else:
+ \exp_not:N \if_catcode:w #1 \c_math_toggle_token 3 \exp_not:N \else:
+ \exp_not:N \if_catcode:w #1 \c_alignment_token 4 \exp_not:N \else:
+ \exp_not:N \if_catcode:w #1 \c_math_superscript_token 7 \exp_not:N \else:
+ \exp_not:N \if_catcode:w #1 \c_math_subscript_token 8 \exp_not:N \else:
+ \exp_not:N \if_catcode:w #1 \c_space_token
+ \token_to_str:N A \exp_not:N \else:
+ 6
+ \exp_not:n { \fi: \fi: \fi: \fi: \fi: \fi: \fi: \fi: }
+ \exp_not:N \__int_value:w `#1 \s__tl
+ \exp_not:N \exp_after:wN \exp_not:N \__tl_analysis_b_normals:ww
+ \exp_not:N \__int_value:w \exp_not:N \__int_eval:w - 1 +
+ }
+\cs_new:Npn \__tl_analysis_b_cs:Nww #1
+ {
+ 0 -1 \s__tl
+ \__tl_analysis_cs_space_count:NN \__tl_analysis_b_cs_test:ww #1
+ }
+\cs_new:Npn \__tl_analysis_b_cs_test:ww #1 ; #2 ; #3 ; #4 ;
+ {
+ \exp_after:wN \__tl_analysis_b_normals:ww
+ \__int_value:w \__int_eval:w
+ \if_int_compare:w #1 = 0 \exp_stop_f:
+ #3
+ \else:
+ \tex_skip:D \__int_eval:w #4 + #1 \__int_eval_end:
+ \fi:
+ - #2
+ \exp_after:wN ;
+ \__int_value:w \__int_eval:w #4 + #1 ;
+ }
+\group_begin:
+ \char_set_catcode_other:N A
+ \cs_new:Npn \__tl_analysis_b_special:w
+ \fi: \__tl_analysis_b_normal:wwN 0 ; #1 ;
+ {
+ \fi:
+ \if_int_compare:w #1 = \l__tl_analysis_index_int
+ \exp_after:wN \__prg_break:
+ \fi:
+ \tex_the:D \tex_toks:D #1 \s__tl
+ \if_case:w \etex_gluestretch:D \tex_skip:D #1 \exp_stop_f:
+ A
+ \or: 1
+ \or: 1
+ \else: 2
+ \fi:
+ \if_int_odd:w \etex_gluestretch:D \tex_skip:D #1 \exp_stop_f:
+ \exp_after:wN \__tl_analysis_b_special_char:wN \__int_value:w
+ \else:
+ \exp_after:wN \__tl_analysis_b_special_space:w \__int_value:w
+ \fi:
+ \__int_eval:w 1 + #1 \exp_after:wN ;
+ \token_to_str:N
+ }
+\group_end:
+\cs_new:Npn \__tl_analysis_b_special_char:wN #1 ; #2
+ {
+ \__int_value:w `#2 \s__tl
+ \__tl_analysis_b_loop:w #1 ;
+ }
+\cs_new:Npn \__tl_analysis_b_special_space:w #1 ; ~
+ {
+ 32 \s__tl
+ \__tl_analysis_b_loop:w #1 ;
+ }
+\cs_new_protected:Npn \__tl_analysis_map_inline:nn #1
+ {
+ \__tl_analysis:n {#1}
+ \int_gincr:N \g__prg_map_int
+ \exp_args:Nc \__tl_analysis_map_inline_aux:Nn
+ { __tl_analysis_map_inline_ \int_use:N \g__prg_map_int :wNw }
+ }
+\cs_new_protected:Npn \__tl_analysis_map_inline_aux:Nn #1#2
+ {
+ \cs_gset_protected:Npn #1 ##1 \s__tl ##2 ##3 \s__tl
+ {
+ \use_none:n ##2
+ #2
+ #1
+ }
+ \exp_after:wN #1
+ \g__tl_analysis_result_tl
+ \s__tl { ? \tl_map_break: } \s__tl
+ \__prg_break_point:Nn \tl_map_break: { \int_gdecr:N \g__prg_map_int }
+ }
+\cs_new_protected:Npn \tl_show_analysis:N #1
+ {
+ \tl_if_exist:NTF #1
+ {
+ \exp_args:No \__tl_analysis:n {#1}
+ \__msg_show_pre:nnxxxx { LaTeX / kernel } { show-tl-analysis }
+ { \token_to_str:N #1 } { \tl_if_empty:NTF #1 { } { ? } } { } { }
+ \__tl_analysis_show:
+ }
+ { \tl_show:N #1 }
+ }
+\cs_new_protected:Npn \tl_show_analysis:n #1
+ {
+ \__tl_analysis:n {#1}
+ \__msg_show_pre:nnxxxx { LaTeX / kernel } { show-tl-analysis }
+ { } { \tl_if_empty:nTF {#1} { } { ? } } { } { }
+ \__tl_analysis_show:
+ }
+\cs_new_protected:Npn \__tl_analysis_show:
+ {
+ \group_begin:
+ \exp_args:NNx
+ \group_end:
+ \__msg_show_wrap:n
+ {
+ \exp_after:wN \__tl_analysis_show_loop:wNw \g__tl_analysis_result_tl
+ \s__tl { ? \__prg_break: } \s__tl
+ \__prg_break_point:
+ }
+ }
+\cs_new:Npn \__tl_analysis_show_loop:wNw #1 \s__tl #2 #3 \s__tl
+ {
+ \use_none:n #2
+ \exp_not:n { \\ > \ \ }
+ \if_int_compare:w "#2 = 0 \exp_stop_f:
+ \exp_after:wN \__tl_analysis_show_cs:n
+ \else:
+ \if_int_compare:w "#2 = 13 \exp_stop_f:
+ \exp_after:wN \exp_after:wN
+ \exp_after:wN \__tl_analysis_show_active:n
+ \else:
+ \exp_after:wN \exp_after:wN
+ \exp_after:wN \__tl_analysis_show_normal:n
+ \fi:
+ \fi:
+ {#1}
+ \__tl_analysis_show_loop:wNw
+ }
+\cs_new:Npn \__tl_analysis_show_normal:n #1
+ {
+ \exp_after:wN \token_to_str:N #1 ~
+ ( \exp_after:wN \token_to_meaning:N #1 )
+ }
+\cs_new:Npn \__tl_analysis_show_value:N #1
+ {
+ \token_if_expandable:NF #1
+ {
+ \token_if_chardef:NTF #1 \__prg_break: { }
+ \token_if_mathchardef:NTF #1 \__prg_break: { }
+ \token_if_dim_register:NTF #1 \__prg_break: { }
+ \token_if_int_register:NTF #1 \__prg_break: { }
+ \token_if_skip_register:NTF #1 \__prg_break: { }
+ \token_if_toks_register:NTF #1 \__prg_break: { }
+ \use_none:nnn
+ \__prg_break_point:
+ \use:n { \exp_after:wN = \tex_the:D #1 }
+ }
+ }
+\cs_new:Npn \__tl_analysis_show_cs:n #1
+ { \exp_args:No \__tl_analysis_show_long:nn {#1} { control~sequence= } }
+\cs_new:Npn \__tl_analysis_show_active:n #1
+ { \exp_args:No \__tl_analysis_show_long:nn {#1} { active~character= } }
+\cs_new:Npn \__tl_analysis_show_long:nn #1
+ {
+ \__tl_analysis_show_long_aux:oofn
+ { \token_to_str:N #1 }
+ { \token_to_meaning:N #1 }
+ { \__tl_analysis_show_value:N #1 }
+ }
+\cs_new:Npn \__tl_analysis_show_long_aux:nnnn #1#2#3#4
+ {
+ \int_compare:nNnTF
+ { \str_count:n { #1 ~ ( #4 #2 #3 ) } }
+ > { \l_iow_line_count_int - 3 }
+ {
+ \str_range:nnn { #1 ~ ( #4 #2 #3 ) } { 1 }
+ {
+ \l_iow_line_count_int - 3
+ - \str_count:N \c__tl_analysis_show_etc_str
+ }
+ \c__tl_analysis_show_etc_str
+ }
+ { #1 ~ ( #4 #2 #3 ) }
+ }
+\cs_generate_variant:Nn \__tl_analysis_show_long_aux:nnnn { oof }
+\tl_const:Nx \c__tl_analysis_show_etc_str % (
+ { \token_to_str:N \ETC.) }
+\__msg_kernel_new:nnn { kernel } { show-tl-analysis }
+ {
+ The~token~list~ \tl_if_empty:nF {#1} { #1 ~ }
+ \tl_if_empty:nTF {#2}
+ { is~empty }
+ { contains~the~tokens: }
+ }
+%% File: l3regex.dtx Copyright (C) 2011-2017 The LaTeX3 Project
+\cs_new_protected:Npn \__regex_standard_escapechar:
+ { \int_set:Nn \tex_escapechar:D { `\\ } }
+\cs_new:Npn \__regex_toks_use:w { \tex_the:D \tex_toks:D }
+\cs_new_protected:Npn \__regex_toks_clear:N #1
+ { \tex_toks:D #1 { } }
+\cs_new_eq:NN \__regex_toks_set:Nn \tex_toks:D
+\cs_new_protected:Npn \__regex_toks_set:No #1
+ { \__regex_toks_set:Nn #1 \exp_after:wN }
+\cs_new_protected:Npn \__regex_toks_memcpy:NNn #1#2#3
+ {
+ \prg_replicate:nn {#3}
+ {
+ \tex_toks:D #1 = \tex_toks:D #2
+ \int_incr:N #1
+ \int_incr:N #2
+ }
+ }
+\cs_new_protected:Npn \__regex_toks_put_left:Nx #1#2
+ {
+ \cs_set:Npx \__regex_tmp:w { #2 }
+ \tex_toks:D #1 \exp_after:wN \exp_after:wN \exp_after:wN
+ { \exp_after:wN \__regex_tmp:w \tex_the:D \tex_toks:D #1 }
+ }
+\cs_new_protected:Npn \__regex_toks_put_right:Nx #1#2
+ {
+ \cs_set:Npx \__regex_tmp:w {#2}
+ \tex_toks:D #1 \exp_after:wN
+ { \tex_the:D \tex_toks:D \exp_after:wN #1 \__regex_tmp:w }
+ }
+\cs_new_protected:Npn \__regex_toks_put_right:Nn #1#2
+ { \tex_toks:D #1 \exp_after:wN { \tex_the:D \tex_toks:D #1 #2 } }
+\cs_new:Npn \__regex_current_cs_to_str:
+ {
+ \exp_after:wN \exp_after:wN \exp_after:wN \cs_to_str:N
+ \tex_the:D \tex_toks:D \l__regex_current_pos_int
+ }
+\cs_new:Npn \__regex_tmp:w { }
+\tl_new:N \l__regex_internal_a_tl
+\tl_new:N \l__regex_internal_b_tl
+\int_new:N \l__regex_internal_a_int
+\int_new:N \l__regex_internal_b_int
+\int_new:N \l__regex_internal_c_int
+\bool_new:N \l__regex_internal_bool
+\seq_new:N \l__regex_internal_seq
+\tl_new:N \g__regex_internal_tl
+\tl_const:Nn \c__regex_no_match_regex
+ {
+ \__regex_branch:n
+ { \__regex_class:NnnnN \c_true_bool { } { 1 } { 0 } \c_true_bool }
+ }
+\__intarray_new:Nn \g__regex_charcode_intarray { 65536 }
+\__intarray_new:Nn \g__regex_catcode_intarray { 65536 }
+\__intarray_new:Nn \g__regex_balance_intarray { 65536 }
+\int_new:N \l__regex_balance_int
+\tl_new:N \l__regex_cs_name_tl
+\int_const:Nn \c__regex_ascii_min_int { 0 }
+\int_const:Nn \c__regex_ascii_max_control_int { 31 }
+\int_const:Nn \c__regex_ascii_max_int { 127 }
+\int_const:Nn \c__regex_ascii_lower_int { `a - `A }
+\cs_new_protected:Npn \__regex_break_true:w
+ #1 \__regex_break_point:TF #2 #3 {#2}
+\cs_new_protected:Npn \__regex_break_point:TF #1 #2 { #2 }
+\cs_new_protected:Npn \__regex_item_reverse:n #1
+ {
+ #1
+ \__regex_break_point:TF { } \__regex_break_true:w
+ }
+\cs_new_protected:Npn \__regex_item_caseful_equal:n #1
+ {
+ \if_int_compare:w #1 = \l__regex_current_char_int
+ \exp_after:wN \__regex_break_true:w
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_item_caseful_range:nn #1 #2
+ {
+ \reverse_if:N \if_int_compare:w #1 > \l__regex_current_char_int
+ \reverse_if:N \if_int_compare:w #2 < \l__regex_current_char_int
+ \exp_after:wN \exp_after:wN \exp_after:wN \__regex_break_true:w
+ \fi:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_item_caseless_equal:n #1
+ {
+ \if_int_compare:w #1 = \l__regex_current_char_int
+ \exp_after:wN \__regex_break_true:w
+ \fi:
+ \if_int_compare:w \l__regex_case_changed_char_int = \c_max_int
+ \__regex_compute_case_changed_char:
+ \fi:
+ \if_int_compare:w #1 = \l__regex_case_changed_char_int
+ \exp_after:wN \__regex_break_true:w
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_item_caseless_range:nn #1 #2
+ {
+ \reverse_if:N \if_int_compare:w #1 > \l__regex_current_char_int
+ \reverse_if:N \if_int_compare:w #2 < \l__regex_current_char_int
+ \exp_after:wN \exp_after:wN \exp_after:wN \__regex_break_true:w
+ \fi:
+ \fi:
+ \if_int_compare:w \l__regex_case_changed_char_int = \c_max_int
+ \__regex_compute_case_changed_char:
+ \fi:
+ \reverse_if:N \if_int_compare:w #1 > \l__regex_case_changed_char_int
+ \reverse_if:N \if_int_compare:w #2 < \l__regex_case_changed_char_int
+ \exp_after:wN \exp_after:wN \exp_after:wN \__regex_break_true:w
+ \fi:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_compute_case_changed_char:
+ {
+ \int_set_eq:NN \l__regex_case_changed_char_int \l__regex_current_char_int
+ \if_int_compare:w \l__regex_current_char_int > `Z \exp_stop_f:
+ \if_int_compare:w \l__regex_current_char_int > `z \exp_stop_f: \else:
+ \if_int_compare:w \l__regex_current_char_int < `a \exp_stop_f: \else:
+ \int_sub:Nn \l__regex_case_changed_char_int { \c__regex_ascii_lower_int }
+ \fi:
+ \fi:
+ \else:
+ \if_int_compare:w \l__regex_current_char_int < `A \exp_stop_f: \else:
+ \int_add:Nn \l__regex_case_changed_char_int { \c__regex_ascii_lower_int }
+ \fi:
+ \fi:
+ }
+\cs_new_eq:NN \__regex_item_equal:n ?
+\cs_new_eq:NN \__regex_item_range:nn ?
+\cs_new_protected:Npn \__regex_item_catcode:
+ {
+ "
+ \if_case:w \l__regex_current_catcode_int
+ 1 \or: 4 \or: 10 \or: 40
+ \or: 100 \or: \or: 1000 \or: 4000
+ \or: 10000 \or: \or: 100000 \or: 400000
+ \or: 1000000 \or: 4000000 \else: 1*0
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_item_catcode:nT #1
+ {
+ \if_int_odd:w \__int_eval:w #1 / \__regex_item_catcode: \__int_eval_end:
+ \exp_after:wN \use:n
+ \else:
+ \exp_after:wN \use_none:n
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_item_catcode_reverse:nT #1#2
+ { \__regex_item_catcode:nT {#1} { \__regex_item_reverse:n {#2} } }
+\cs_new_protected:Npn \__regex_item_exact:nn #1#2
+ {
+ \if_int_compare:w #1 = \l__regex_current_catcode_int
+ \if_int_compare:w #2 = \l__regex_current_char_int
+ \exp_after:wN \exp_after:wN \exp_after:wN \__regex_break_true:w
+ \fi:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_item_exact_cs:n #1
+ {
+ \int_compare:nNnTF \l__regex_current_catcode_int = 0
+ {
+ \tl_set:Nx \l__regex_internal_a_tl
+ { \scan_stop: \__regex_current_cs_to_str: \scan_stop: }
+ \tl_if_in:noTF { \scan_stop: #1 \scan_stop: } \l__regex_internal_a_tl
+ { \__regex_break_true:w } { }
+ }
+ { }
+ }
+\cs_new_protected:Npn \__regex_item_cs:n #1
+ {
+ \int_compare:nNnT \l__regex_current_catcode_int = 0
+ {
+ \group_begin:
+ \tl_set:Nx \l__regex_cs_name_tl { \__regex_current_cs_to_str: }
+ \__regex_single_match:
+ \__regex_disable_submatches:
+ \__regex_build_for_cs:n {#1}
+ \bool_set_eq:NN \l__regex_saved_success_bool \g__regex_success_bool
+ \exp_args:NV \__regex_match:n \l__regex_cs_name_tl
+ \if_meaning:w \c_true_bool \g__regex_success_bool
+ \group_insert_after:N \__regex_break_true:w
+ \fi:
+ \bool_gset_eq:NN \g__regex_success_bool \l__regex_saved_success_bool
+ \group_end:
+ }
+ }
+\cs_new_protected:Npn \__regex_prop_d:
+ { \__regex_item_caseful_range:nn { `0 } { `9 } }
+\cs_new_protected:Npn \__regex_prop_h:
+ {
+ \__regex_item_caseful_equal:n { `\ }
+ \__regex_item_caseful_equal:n { `\^^I }
+ }
+\cs_new_protected:Npn \__regex_prop_s:
+ {
+ \__regex_item_caseful_equal:n { `\ }
+ \__regex_item_caseful_equal:n { `\^^I }
+ \__regex_item_caseful_equal:n { `\^^J }
+ \__regex_item_caseful_equal:n { `\^^L }
+ \__regex_item_caseful_equal:n { `\^^M }
+ }
+\cs_new_protected:Npn \__regex_prop_v:
+ { \__regex_item_caseful_range:nn { `\^^J } { `\^^M } } % lf, vtab, ff, cr
+\cs_new_protected:Npn \__regex_prop_w:
+ {
+ \__regex_item_caseful_range:nn { `a } { `z }
+ \__regex_item_caseful_range:nn { `A } { `Z }
+ \__regex_item_caseful_range:nn { `0 } { `9 }
+ \__regex_item_caseful_equal:n { `_ }
+ }
+\cs_new_protected:Npn \__regex_prop_N:
+ {
+ \__regex_item_reverse:n
+ { \__regex_item_caseful_equal:n { `\^^J } }
+ }
+\cs_new_protected:Npn \__regex_posix_alnum:
+ { \__regex_posix_alpha: \__regex_posix_digit: }
+\cs_new_protected:Npn \__regex_posix_alpha:
+ { \__regex_posix_lower: \__regex_posix_upper: }
+\cs_new_protected:Npn \__regex_posix_ascii:
+ {
+ \__regex_item_caseful_range:nn
+ \c__regex_ascii_min_int
+ \c__regex_ascii_max_int
+ }
+\cs_new_eq:NN \__regex_posix_blank: \__regex_prop_h:
+\cs_new_protected:Npn \__regex_posix_cntrl:
+ {
+ \__regex_item_caseful_range:nn
+ \c__regex_ascii_min_int
+ \c__regex_ascii_max_control_int
+ \__regex_item_caseful_equal:n \c__regex_ascii_max_int
+ }
+\cs_new_eq:NN \__regex_posix_digit: \__regex_prop_d:
+\cs_new_protected:Npn \__regex_posix_graph:
+ { \__regex_item_caseful_range:nn { `! } { `\~ } }
+\cs_new_protected:Npn \__regex_posix_lower:
+ { \__regex_item_caseful_range:nn { `a } { `z } }
+\cs_new_protected:Npn \__regex_posix_print:
+ { \__regex_item_caseful_range:nn { `\ } { `\~ } }
+\cs_new_protected:Npn \__regex_posix_punct:
+ {
+ \__regex_item_caseful_range:nn { `! } { `/ }
+ \__regex_item_caseful_range:nn { `: } { `@ }
+ \__regex_item_caseful_range:nn { `[ } { `` }
+ \__regex_item_caseful_range:nn { `\{ } { `\~ }
+ }
+\cs_new_protected:Npn \__regex_posix_space:
+ {
+ \__regex_item_caseful_equal:n { `\ }
+ \__regex_item_caseful_range:nn { `\^^I } { `\^^M }
+ }
+\cs_new_protected:Npn \__regex_posix_upper:
+ { \__regex_item_caseful_range:nn { `A } { `Z } }
+\cs_new_eq:NN \__regex_posix_word: \__regex_prop_w:
+\cs_new_protected:Npn \__regex_posix_xdigit:
+ {
+ \__regex_posix_digit:
+ \__regex_item_caseful_range:nn { `A } { `F }
+ \__regex_item_caseful_range:nn { `a } { `f }
+ }
+\cs_new_protected:Npn \__regex_escape_use:nnnn #1#2#3#4
+ {
+ \__tl_build:Nw \l__regex_internal_a_tl
+ \cs_set:Npn \__regex_escape_unescaped:N ##1 { #1 }
+ \cs_set:Npn \__regex_escape_escaped:N ##1 { #2 }
+ \cs_set:Npn \__regex_escape_raw:N ##1 { #3 }
+ \__regex_standard_escapechar:
+ \tl_gset:Nx \g__regex_internal_tl { \__str_to_other_fast:n {#4} }
+ \tl_set:Nx \l__regex_internal_b_tl
+ {
+ \exp_after:wN \__regex_escape_loop:N \g__regex_internal_tl
+ { break } \__prg_break_point:
+ }
+ \__tl_build_one:o \l__regex_internal_b_tl
+ \__tl_build_end:
+ \l__regex_internal_a_tl
+ }
+\cs_new:Npn \__regex_escape_loop:N #1
+ {
+ \cs_if_exist_use:cF { __regex_escape_\token_to_str:N #1:w }
+ { \__regex_escape_unescaped:N #1 }
+ \__regex_escape_loop:N
+ }
+\cs_new:cpn { __regex_escape_ \c_backslash_str :w }
+ \__regex_escape_loop:N #1
+ {
+ \cs_if_exist_use:cF { __regex_escape_/\token_to_str:N #1:w }
+ { \__regex_escape_escaped:N #1 }
+ \__regex_escape_loop:N
+ }
+\cs_new_eq:NN \__regex_escape_unescaped:N ?
+\cs_new_eq:NN \__regex_escape_escaped:N ?
+\cs_new_eq:NN \__regex_escape_raw:N ?
+\cs_new_eq:NN \__regex_escape_break:w \__prg_break:
+\cs_new:cpn { __regex_escape_/break:w }
+ {
+ \if_false: { \fi: }
+ \__msg_kernel_error:nn { regex } { trailing-backslash }
+ \exp_after:wN \use_none:n \exp_after:wN { \if_false: } \fi:
+ }
+\cs_new:cpn { __regex_escape_~:w } { }
+\cs_new:cpx { __regex_escape_/a:w }
+ { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^G }
+\cs_new:cpx { __regex_escape_/t:w }
+ { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^I }
+\cs_new:cpx { __regex_escape_/n:w }
+ { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^J }
+\cs_new:cpx { __regex_escape_/f:w }
+ { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^L }
+\cs_new:cpx { __regex_escape_/r:w }
+ { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^M }
+\cs_new:cpx { __regex_escape_/e:w }
+ { \exp_not:N \__regex_escape_raw:N \iow_char:N \^^[ }
+\cs_new:cpn { __regex_escape_/x:w } \__regex_escape_loop:N
+ {
+ \exp_after:wN \__regex_escape_x_end:w
+ \__int_value:w "0 \__regex_escape_x_test:N
+ }
+\cs_new:Npn \__regex_escape_x_end:w #1 ;
+ {
+ \int_compare:nNnTF {#1} > \c_max_char_int
+ {
+ \if_false: { \fi: }
+ \__tl_build_one:o \l__regex_internal_b_tl
+ \__msg_kernel_error:nnx { regex } { x-overflow } {#1}
+ \tl_set:Nx \l__regex_internal_b_tl
+ { \if_false: } \fi:
+ }
+ {
+ \exp_last_unbraced:Nf \__regex_escape_raw:N
+ { \char_generate:nn {#1} { 12 } }
+ }
+ }
+\cs_new:Npn \__regex_escape_x_test:N #1
+ {
+ \str_if_eq_x:nnTF {#1} { break } { ; }
+ {
+ \if_charcode:w \c_space_token #1
+ \exp_after:wN \__regex_escape_x_test:N
+ \else:
+ \exp_after:wN \__regex_escape_x_testii:N
+ \exp_after:wN #1
+ \fi:
+ }
+ }
+\cs_new:Npn \__regex_escape_x_testii:N #1
+ {
+ \if_charcode:w \c_left_brace_str #1
+ \exp_after:wN \__regex_escape_x_loop:N
+ \else:
+ \__regex_hexadecimal_use:NTF #1
+ { \exp_after:wN \__regex_escape_x:N }
+ { ; \exp_after:wN \__regex_escape_loop:N \exp_after:wN #1 }
+ \fi:
+ }
+\cs_new:Npn \__regex_escape_x:N #1
+ {
+ \str_if_eq_x:nnTF {#1} { break } { ; }
+ {
+ \__regex_hexadecimal_use:NTF #1
+ { ; \__regex_escape_loop:N }
+ { ; \__regex_escape_loop:N #1 }
+ }
+ }
+\cs_new:Npn \__regex_escape_x_loop:N #1
+ {
+ \str_if_eq_x:nnTF {#1} { break }
+ { ; \__regex_escape_x_loop_error:n { } {#1} }
+ {
+ \__regex_hexadecimal_use:NTF #1
+ { \__regex_escape_x_loop:N }
+ {
+ \token_if_eq_charcode:NNTF \c_space_token #1
+ { \__regex_escape_x_loop:N }
+ {
+ ;
+ \exp_after:wN
+ \token_if_eq_charcode:NNTF \c_right_brace_str #1
+ { \__regex_escape_loop:N }
+ { \__regex_escape_x_loop_error:n {#1} }
+ }
+ }
+ }
+ }
+\cs_new:Npn \__regex_escape_x_loop_error:n #1
+ {
+ \if_false: { \fi: }
+ \__tl_build_one:o \l__regex_internal_b_tl
+ \__msg_kernel_error:nnx { regex } { x-missing-rbrace } {#1}
+ \tl_set:Nx \l__regex_internal_b_tl
+ { \if_false: } \fi: \__regex_escape_loop:N #1
+ }
+\prg_new_conditional:Npnn \__regex_hexadecimal_use:N #1 { TF }
+ {
+ \if_int_compare:w 1 < "1 \token_to_str:N #1 \exp_stop_f:
+ #1 \prg_return_true:
+ \else:
+ \if_case:w \__int_eval:w
+ \exp_after:wN ` \token_to_str:N #1 - `a
+ \__int_eval_end:
+ A
+ \or: B
+ \or: C
+ \or: D
+ \or: E
+ \or: F
+ \else:
+ \prg_return_false:
+ \exp_after:wN \use_none:n
+ \fi:
+ \prg_return_true:
+ \fi:
+ }
+\prg_new_conditional:Npnn \__regex_char_if_special:N #1 { TF }
+ {
+ \if_int_compare:w `#1 > `Z \exp_stop_f:
+ \if_int_compare:w `#1 > `z \exp_stop_f:
+ \if_int_compare:w `#1 < \c__regex_ascii_max_int
+ \prg_return_true: \else: \prg_return_false: \fi:
+ \else:
+ \if_int_compare:w `#1 < `a \exp_stop_f:
+ \prg_return_true: \else: \prg_return_false: \fi:
+ \fi:
+ \else:
+ \if_int_compare:w `#1 > `9 \exp_stop_f:
+ \if_int_compare:w `#1 < `A \exp_stop_f:
+ \prg_return_true: \else: \prg_return_false: \fi:
+ \else:
+ \if_int_compare:w `#1 < `0 \exp_stop_f:
+ \if_int_compare:w `#1 < `\ \exp_stop_f:
+ \prg_return_false: \else: \prg_return_true: \fi:
+ \else: \prg_return_false: \fi:
+ \fi:
+ \fi:
+ }
+\prg_new_conditional:Npnn \__regex_char_if_alphanumeric:N #1 { TF }
+ {
+ \if_int_compare:w `#1 > `Z \exp_stop_f:
+ \if_int_compare:w `#1 > `z \exp_stop_f:
+ \prg_return_false:
+ \else:
+ \if_int_compare:w `#1 < `a \exp_stop_f:
+ \prg_return_false: \else: \prg_return_true: \fi:
+ \fi:
+ \else:
+ \if_int_compare:w `#1 > `9 \exp_stop_f:
+ \if_int_compare:w `#1 < `A \exp_stop_f:
+ \prg_return_false: \else: \prg_return_true: \fi:
+ \else:
+ \if_int_compare:w `#1 < `0 \exp_stop_f:
+ \prg_return_false: \else: \prg_return_true: \fi:
+ \fi:
+ \fi:
+ }
+\int_new:N \l__regex_group_level_int
+\int_new:N \l__regex_mode_int
+\int_const:Nn \c__regex_cs_in_class_mode_int { -6 }
+\int_const:Nn \c__regex_cs_mode_int { -2 }
+\int_const:Nn \c__regex_outer_mode_int { 0 }
+\int_const:Nn \c__regex_catcode_mode_int { 2 }
+\int_const:Nn \c__regex_class_mode_int { 3 }
+\int_const:Nn \c__regex_catcode_in_class_mode_int { 6 }
+\int_new:N \l__regex_catcodes_int
+\int_new:N \l__regex_default_catcodes_int
+\bool_new:N \l__regex_catcodes_bool
+\int_const:Nn \c__regex_catcode_C_int { "1 }
+\int_const:Nn \c__regex_catcode_B_int { "4 }
+\int_const:Nn \c__regex_catcode_E_int { "10 }
+\int_const:Nn \c__regex_catcode_M_int { "40 }
+\int_const:Nn \c__regex_catcode_T_int { "100 }
+\int_const:Nn \c__regex_catcode_P_int { "1000 }
+\int_const:Nn \c__regex_catcode_U_int { "4000 }
+\int_const:Nn \c__regex_catcode_D_int { "10000 }
+\int_const:Nn \c__regex_catcode_S_int { "100000 }
+\int_const:Nn \c__regex_catcode_L_int { "400000 }
+\int_const:Nn \c__regex_catcode_O_int { "1000000 }
+\int_const:Nn \c__regex_catcode_A_int { "4000000 }
+\int_const:Nn \c__regex_all_catcodes_int { "5515155 }
+\cs_new_eq:NN \l__regex_internal_regex \c__regex_no_match_regex
+\seq_new:N \l__regex_show_prefix_seq
+\int_new:N \l__regex_show_lines_int
+\cs_new_protected:Npn \__regex_get_digits:NTFw #1#2#3#4#5
+ {
+ \__regex_if_raw_digit:NNTF #4 #5
+ { #1 = #5 \__regex_get_digits_loop:nw {#2} }
+ { #3 #4 #5 }
+ }
+\cs_new:Npn \__regex_get_digits_loop:nw #1#2#3
+ {
+ \__regex_if_raw_digit:NNTF #2 #3
+ { #3 \__regex_get_digits_loop:nw {#1} }
+ { \scan_stop: #1 #2 #3 }
+ }
+\prg_new_conditional:Npnn \__regex_if_raw_digit:NN #1#2 { TF }
+ {
+ \if_meaning:w \__regex_compile_raw:N #1
+ \if_int_compare:w 1 < 1 #2 \exp_stop_f:
+ \prg_return_true:
+ \else:
+ \prg_return_false:
+ \fi:
+ \else:
+ \prg_return_false:
+ \fi:
+ }
+\cs_new:Npn \__regex_if_in_class:TF
+ {
+ \if_int_odd:w \l__regex_mode_int
+ \exp_after:wN \use_i:nn
+ \else:
+ \exp_after:wN \use_ii:nn
+ \fi:
+ }
+\cs_new:Npn \__regex_if_in_cs:TF
+ {
+ \if_int_odd:w \l__regex_mode_int
+ \exp_after:wN \use_ii:nn
+ \else:
+ \if_int_compare:w \l__regex_mode_int < \c__regex_outer_mode_int
+ \exp_after:wN \exp_after:wN \exp_after:wN \use_i:nn
+ \else:
+ \exp_after:wN \exp_after:wN \exp_after:wN \use_ii:nn
+ \fi:
+ \fi:
+ }
+\cs_new:Npn \__regex_if_in_class_or_catcode:TF
+ {
+ \if_int_odd:w \l__regex_mode_int
+ \exp_after:wN \use_i:nn
+ \else:
+ \if_int_compare:w \l__regex_mode_int > \c__regex_outer_mode_int
+ \exp_after:wN \exp_after:wN \exp_after:wN \use_i:nn
+ \else:
+ \exp_after:wN \exp_after:wN \exp_after:wN \use_ii:nn
+ \fi:
+ \fi:
+ }
+\cs_new:Npn \__regex_if_within_catcode:TF
+ {
+ \if_int_compare:w \l__regex_mode_int > \c__regex_outer_mode_int
+ \exp_after:wN \use_i:nn
+ \else:
+ \exp_after:wN \use_ii:nn
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_chk_c_allowed:T
+ {
+ \if_int_compare:w \l__regex_mode_int = \c__regex_outer_mode_int
+ \exp_after:wN \use:n
+ \else:
+ \if_int_compare:w \l__regex_mode_int = \c__regex_class_mode_int
+ \exp_after:wN \exp_after:wN \exp_after:wN \use:n
+ \else:
+ \__msg_kernel_error:nn { regex } { c-bad-mode }
+ \exp_after:wN \exp_after:wN \exp_after:wN \use_none:n
+ \fi:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_mode_quit_c:
+ {
+ \if_int_compare:w \l__regex_mode_int = \c__regex_catcode_mode_int
+ \int_set_eq:NN \l__regex_mode_int \c__regex_outer_mode_int
+ \else:
+ \if_int_compare:w \l__regex_mode_int = \c__regex_catcode_in_class_mode_int
+ \int_set_eq:NN \l__regex_mode_int \c__regex_class_mode_int
+ \fi:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_compile:w
+ {
+ \__tl_build_x:Nw \l__regex_internal_regex
+ \int_zero:N \l__regex_group_level_int
+ \int_set_eq:NN \l__regex_default_catcodes_int \c__regex_all_catcodes_int
+ \int_set_eq:NN \l__regex_catcodes_int \l__regex_default_catcodes_int
+ \cs_set:Npn \__regex_item_equal:n { \__regex_item_caseful_equal:n }
+ \cs_set:Npn \__regex_item_range:nn { \__regex_item_caseful_range:nn }
+ \__tl_build_one:n { \__regex_branch:n { \if_false: } \fi: }
+ }
+\cs_new_protected:Npn \__regex_compile_end:
+ {
+ \__regex_if_in_class:TF
+ {
+ \__msg_kernel_error:nn { regex } { missing-rbrack }
+ \use:c { __regex_compile_]: }
+ \prg_do_nothing: \prg_do_nothing:
+ }
+ { }
+ \if_int_compare:w \l__regex_group_level_int > 0 \exp_stop_f:
+ \__msg_kernel_error:nnx { regex } { missing-rparen }
+ { \int_use:N \l__regex_group_level_int }
+ \prg_replicate:nn
+ { \l__regex_group_level_int }
+ {
+ \__tl_build_one:n
+ {
+ \if_false: { \fi: }
+ \if_false: { \fi: } { 1 } { 0 } \c_true_bool
+ }
+ \__tl_build_end:
+ \__tl_build_one:o \l__regex_internal_regex
+ }
+ \fi:
+ \__tl_build_one:n { \if_false: { \fi: } }
+ \__tl_build_end:
+ }
+\cs_new_protected:Npn \__regex_compile:n #1
+ {
+ \__regex_compile:w
+ \__regex_standard_escapechar:
+ \int_set_eq:NN \l__regex_mode_int \c__regex_outer_mode_int
+ \__regex_escape_use:nnnn
+ {
+ \__regex_char_if_special:NTF ##1
+ \__regex_compile_special:N \__regex_compile_raw:N ##1
+ }
+ {
+ \__regex_char_if_alphanumeric:NTF ##1
+ \__regex_compile_escaped:N \__regex_compile_raw:N ##1
+ }
+ { \__regex_compile_raw:N ##1 }
+ { #1 }
+ \prg_do_nothing: \prg_do_nothing:
+ \prg_do_nothing: \prg_do_nothing:
+ \int_compare:nNnT \l__regex_mode_int = \c__regex_catcode_mode_int
+ { \__msg_kernel_error:nn { regex } { c-trailing } }
+ \int_compare:nNnT \l__regex_mode_int < \c__regex_outer_mode_int
+ {
+ \__msg_kernel_error:nn { regex } { c-missing-rbrace }
+ \__regex_compile_end_cs:
+ \prg_do_nothing: \prg_do_nothing:
+ \prg_do_nothing: \prg_do_nothing:
+ }
+ \__regex_compile_end:
+ }
+\cs_new_protected:Npn \__regex_compile_special:N #1
+ {
+ \cs_if_exist_use:cF { __regex_compile_#1: }
+ { \__regex_compile_raw:N #1 }
+ }
+\cs_new_protected:Npn \__regex_compile_escaped:N #1
+ {
+ \cs_if_exist_use:cF { __regex_compile_/#1: }
+ { \__regex_compile_raw:N #1 }
+ }
+\cs_new_protected:Npn \__regex_compile_one:x #1
+ {
+ \__regex_mode_quit_c:
+ \__regex_if_in_class:TF { }
+ {
+ \__tl_build_one:n
+ { \__regex_class:NnnnN \c_true_bool { \if_false: } \fi: }
+ }
+ \__tl_build_one:x
+ {
+ \if_int_compare:w \l__regex_catcodes_int < \c__regex_all_catcodes_int
+ \__regex_item_catcode:nT { \int_use:N \l__regex_catcodes_int }
+ { \exp_not:N \exp_not:n {#1} }
+ \else:
+ \exp_not:N \exp_not:n {#1}
+ \fi:
+ }
+ \int_set_eq:NN \l__regex_catcodes_int \l__regex_default_catcodes_int
+ \__regex_if_in_class:TF { } { \__regex_compile_quantifier:w }
+ }
+\cs_new_protected:Npn \__regex_compile_abort_tokens:n #1
+ {
+ \use:x
+ {
+ \exp_args:No \tl_map_function:nN { \tl_to_str:n {#1} }
+ \__regex_compile_raw:N
+ }
+ }
+\cs_generate_variant:Nn \__regex_compile_abort_tokens:n { x }
+\cs_new_protected:Npn \__regex_compile_quantifier:w #1#2
+ {
+ \token_if_eq_meaning:NNTF #1 \__regex_compile_special:N
+ {
+ \cs_if_exist_use:cF { __regex_compile_quantifier_#2:w }
+ { \__regex_compile_quantifier_none: #1 #2 }
+ }
+ { \__regex_compile_quantifier_none: #1 #2 }
+ }
+\cs_new_protected:Npn \__regex_compile_quantifier_none:
+ { \__tl_build_one:n { \if_false: { \fi: } { 1 } { 0 } \c_false_bool } }
+\cs_new_protected:Npn \__regex_compile_quantifier_abort:xNN #1#2#3
+ {
+ \__regex_compile_quantifier_none:
+ \__msg_kernel_warning:nnxx { regex } { invalid-quantifier } {#1} {#3}
+ \__regex_compile_abort_tokens:x {#1}
+ #2 #3
+ }
+\cs_new_protected:Npn \__regex_compile_quantifier_lazyness:nnNN #1#2#3#4
+ {
+ \str_if_eq:nnTF { #3 #4 } { \__regex_compile_special:N ? }
+ { \__tl_build_one:n { \if_false: { \fi: } { #1 } { #2 } \c_true_bool } }
+ {
+ \__tl_build_one:n { \if_false: { \fi: } { #1 } { #2 } \c_false_bool }
+ #3 #4
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_quantifier_?:w }
+ { \__regex_compile_quantifier_lazyness:nnNN { 0 } { 1 } }
+\cs_new_protected:cpn { __regex_compile_quantifier_*:w }
+ { \__regex_compile_quantifier_lazyness:nnNN { 0 } { -1 } }
+\cs_new_protected:cpn { __regex_compile_quantifier_+:w }
+ { \__regex_compile_quantifier_lazyness:nnNN { 1 } { -1 } }
+\cs_new_protected:cpn { __regex_compile_quantifier_ \c_left_brace_str :w }
+ {
+ \__regex_get_digits:NTFw \l__regex_internal_a_int
+ { \__regex_compile_quantifier_braced_auxi:w }
+ { \__regex_compile_quantifier_abort:xNN { \c_left_brace_str } }
+ }
+\cs_new_protected:Npn \__regex_compile_quantifier_braced_auxi:w #1#2
+ {
+ \str_case_x:nnF { #1 #2 }
+ {
+ { \__regex_compile_special:N \c_right_brace_str }
+ {
+ \exp_args:No \__regex_compile_quantifier_lazyness:nnNN
+ { \int_use:N \l__regex_internal_a_int } { 0 }
+ }
+ { \__regex_compile_special:N , }
+ {
+ \__regex_get_digits:NTFw \l__regex_internal_b_int
+ { \__regex_compile_quantifier_braced_auxiii:w }
+ { \__regex_compile_quantifier_braced_auxii:w }
+ }
+ }
+ {
+ \__regex_compile_quantifier_abort:xNN
+ { \c_left_brace_str \int_use:N \l__regex_internal_a_int }
+ #1 #2
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_quantifier_braced_auxii:w #1#2
+ {
+ \str_if_eq_x:nnTF
+ { #1 #2 } { \__regex_compile_special:N \c_right_brace_str }
+ {
+ \exp_args:No \__regex_compile_quantifier_lazyness:nnNN
+ { \int_use:N \l__regex_internal_a_int } { -1 }
+ }
+ {
+ \__regex_compile_quantifier_abort:xNN
+ { \c_left_brace_str \int_use:N \l__regex_internal_a_int , }
+ #1 #2
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_quantifier_braced_auxiii:w #1#2
+ {
+ \str_if_eq_x:nnTF
+ { #1 #2 } { \__regex_compile_special:N \c_right_brace_str }
+ {
+ \if_int_compare:w \l__regex_internal_a_int > \l__regex_internal_b_int
+ \__msg_kernel_error:nnxx { regex } { backwards-quantifier }
+ { \int_use:N \l__regex_internal_a_int }
+ { \int_use:N \l__regex_internal_b_int }
+ \int_zero:N \l__regex_internal_b_int
+ \else:
+ \int_sub:Nn \l__regex_internal_b_int \l__regex_internal_a_int
+ \fi:
+ \exp_args:Noo \__regex_compile_quantifier_lazyness:nnNN
+ { \int_use:N \l__regex_internal_a_int }
+ { \int_use:N \l__regex_internal_b_int }
+ }
+ {
+ \__regex_compile_quantifier_abort:xNN
+ {
+ \c_left_brace_str
+ \int_use:N \l__regex_internal_a_int ,
+ \int_use:N \l__regex_internal_b_int
+ }
+ #1 #2
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_raw_error:N #1
+ {
+ \__msg_kernel_error:nnx { regex } { bad-escape } {#1}
+ \__regex_compile_raw:N #1
+ }
+\cs_new_protected:Npn \__regex_compile_raw:N #1#2#3
+ {
+ \__regex_if_in_class:TF
+ {
+ \str_if_eq:nnTF {#2#3} { \__regex_compile_special:N - }
+ { \__regex_compile_range:Nw #1 }
+ {
+ \__regex_compile_one:x
+ { \__regex_item_equal:n { \__int_value:w `#1 ~ } }
+ #2 #3
+ }
+ }
+ {
+ \__regex_compile_one:x
+ { \__regex_item_equal:n { \__int_value:w `#1 ~ } }
+ #2 #3
+ }
+ }
+\prg_new_protected_conditional:Npnn \__regex_if_end_range:NN #1#2 { TF }
+ {
+ \if_meaning:w \__regex_compile_raw:N #1
+ \prg_return_true:
+ \else:
+ \if_meaning:w \__regex_compile_special:N #1
+ \if_charcode:w ] #2
+ \prg_return_false:
+ \else:
+ \prg_return_true:
+ \fi:
+ \else:
+ \prg_return_false:
+ \fi:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_compile_range:Nw #1#2#3
+ {
+ \__regex_if_end_range:NNTF #2 #3
+ {
+ \if_int_compare:w `#1 > `#3 \exp_stop_f:
+ \__msg_kernel_error:nnxx { regex } { range-backwards } {#1} {#3}
+ \else:
+ \__tl_build_one:x
+ {
+ \if_int_compare:w `#1 = `#3 \exp_stop_f:
+ \__regex_item_equal:n
+ \else:
+ \__regex_item_range:nn { \__int_value:w `#1 ~ }
+ \fi:
+ { \__int_value:w `#3 ~ }
+ }
+ \fi:
+ }
+ {
+ \__msg_kernel_warning:nnxx { regex } { range-missing-end }
+ {#1} { \c_backslash_str #3 }
+ \__tl_build_one:x
+ {
+ \__regex_item_equal:n { \__int_value:w `#1 ~ }
+ \__regex_item_equal:n { \__int_value:w `- ~ }
+ }
+ #2#3
+ }
+ }
+\cs_new_protected:cpx { __regex_compile_.: }
+ {
+ \exp_not:N \__regex_if_in_class:TF
+ { \__regex_compile_raw:N . }
+ { \__regex_compile_one:x \exp_not:c { __regex_prop_.: } }
+ }
+\cs_new_protected:cpn { __regex_prop_.: }
+ {
+ \if_int_compare:w \l__regex_current_char_int > - 2 \exp_stop_f:
+ \exp_after:wN \__regex_break_true:w
+ \fi:
+ }
+\cs_set_protected:Npn \__regex_tmp:w #1#2
+ {
+ \cs_new_protected:cpx { __regex_compile_/#1: }
+ { \__regex_compile_one:x \exp_not:c { __regex_prop_#1: } }
+ \cs_new_protected:cpx { __regex_compile_/#2: }
+ {
+ \__regex_compile_one:x
+ { \__regex_item_reverse:n \exp_not:c { __regex_prop_#1: } }
+ }
+ }
+\__regex_tmp:w d D
+\__regex_tmp:w h H
+\__regex_tmp:w s S
+\__regex_tmp:w v V
+\__regex_tmp:w w W
+\cs_new_protected:cpn { __regex_compile_/N: }
+ { \__regex_compile_one:x \__regex_prop_N: }
+\cs_new_protected:Npn \__regex_compile_anchor:NF #1#2
+ {
+ \__regex_if_in_class_or_catcode:TF {#2}
+ {
+ \__tl_build_one:n
+ { \__regex_assertion:Nn \c_true_bool { \__regex_anchor:N #1 } }
+ }
+ }
+\cs_set_protected:Npn \__regex_tmp:w #1#2
+ {
+ \cs_new_protected:cpn { __regex_compile_/#1: }
+ { \__regex_compile_anchor:NF #2 { \__regex_compile_raw_error:N #1 } }
+ }
+\__regex_tmp:w A \l__regex_min_pos_int
+\__regex_tmp:w G \l__regex_start_pos_int
+\__regex_tmp:w Z \l__regex_max_pos_int
+\__regex_tmp:w z \l__regex_max_pos_int
+\cs_set_protected:Npn \__regex_tmp:w #1#2
+ {
+ \cs_new_protected:cpn { __regex_compile_#1: }
+ { \__regex_compile_anchor:NF #2 { \__regex_compile_raw:N #1 } }
+ }
+\exp_args:Nx \__regex_tmp:w { \iow_char:N \^ } \l__regex_min_pos_int
+\exp_args:Nx \__regex_tmp:w { \iow_char:N \$ } \l__regex_max_pos_int
+\cs_new_protected:cpn { __regex_compile_/b: }
+ {
+ \__regex_if_in_class_or_catcode:TF
+ { \__regex_compile_raw_error:N b }
+ {
+ \__tl_build_one:n
+ { \__regex_assertion:Nn \c_true_bool { \__regex_b_test: } }
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_/B: }
+ {
+ \__regex_if_in_class_or_catcode:TF
+ { \__regex_compile_raw_error:N B }
+ {
+ \__tl_build_one:n
+ { \__regex_assertion:Nn \c_false_bool { \__regex_b_test: } }
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_]: }
+ {
+ \__regex_if_in_class:TF
+ {
+ \if_int_compare:w \l__regex_mode_int > \c__regex_catcode_in_class_mode_int
+ \__tl_build_one:n { \if_false: { \fi: } }
+ \fi:
+ \tex_advance:D \l__regex_mode_int - 15 \exp_stop_f:
+ \tex_divide:D \l__regex_mode_int 13 \exp_stop_f:
+ \if_int_odd:w \l__regex_mode_int \else:
+ \exp_after:wN \__regex_compile_quantifier:w
+ \fi:
+ }
+ { \__regex_compile_raw:N ] }
+ }
+\cs_new_protected:cpn { __regex_compile_[: }
+ {
+ \__regex_if_in_class:TF
+ { \__regex_compile_class_posix_test:w }
+ {
+ \__regex_if_within_catcode:TF
+ {
+ \exp_after:wN \__regex_compile_class_catcode:w
+ \int_use:N \l__regex_catcodes_int ;
+ }
+ { \__regex_compile_class_normal:w }
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_class_normal:w
+ {
+ \__regex_compile_class:TFNN
+ { \__regex_class:NnnnN \c_true_bool }
+ { \__regex_class:NnnnN \c_false_bool }
+ }
+\cs_new_protected:Npn \__regex_compile_class_catcode:w #1;
+ {
+ \if_int_compare:w \l__regex_mode_int = \c__regex_catcode_mode_int
+ \__tl_build_one:n
+ { \__regex_class:NnnnN \c_true_bool { \if_false: } \fi: }
+ \fi:
+ \int_set_eq:NN \l__regex_catcodes_int \l__regex_default_catcodes_int
+ \__regex_compile_class:TFNN
+ { \__regex_item_catcode:nT {#1} }
+ { \__regex_item_catcode_reverse:nT {#1} }
+ }
+\cs_new_protected:Npn \__regex_compile_class:TFNN #1#2#3#4
+ {
+ \l__regex_mode_int = \__int_value:w \l__regex_mode_int 3 \exp_stop_f:
+ \str_if_eq:nnTF { #3 #4 } { \__regex_compile_special:N ^ }
+ {
+ \__tl_build_one:n { #2 { \if_false: } \fi: }
+ \__regex_compile_class:NN
+ }
+ {
+ \__tl_build_one:n { #1 { \if_false: } \fi: }
+ \__regex_compile_class:NN #3 #4
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_class:NN #1#2
+ {
+ \token_if_eq_charcode:NNTF #2 ]
+ { \__regex_compile_raw:N #2 }
+ { #1 #2 }
+ }
+\cs_new_protected:Npn \__regex_compile_class_posix_test:w #1#2
+ {
+ \token_if_eq_meaning:NNT \__regex_compile_special:N #1
+ {
+ \str_case:nn { #2 }
+ {
+ : { \__regex_compile_class_posix:NNNNw }
+ = { \__msg_kernel_warning:nnx { regex } { posix-unsupported } { = } }
+ . { \__msg_kernel_warning:nnx { regex } { posix-unsupported } { . } }
+ }
+ }
+ \__regex_compile_raw:N [ #1 #2
+ }
+\cs_new_protected:Npn \__regex_compile_class_posix:NNNNw #1#2#3#4#5#6
+ {
+ \str_if_eq:nnTF { #5 #6 } { \__regex_compile_special:N ^ }
+ {
+ \bool_set_false:N \l__regex_internal_bool
+ \tl_set:Nx \l__regex_internal_a_tl { \if_false: } \fi:
+ \__regex_compile_class_posix_loop:w
+ }
+ {
+ \bool_set_true:N \l__regex_internal_bool
+ \tl_set:Nx \l__regex_internal_a_tl { \if_false: } \fi:
+ \__regex_compile_class_posix_loop:w #5 #6
+ }
+ }
+\cs_new:Npn \__regex_compile_class_posix_loop:w #1#2
+ {
+ \token_if_eq_meaning:NNTF \__regex_compile_raw:N #1
+ { #2 \__regex_compile_class_posix_loop:w }
+ { \if_false: { \fi: } \__regex_compile_class_posix_end:w #1 #2 }
+ }
+\cs_new_protected:Npn \__regex_compile_class_posix_end:w #1#2#3#4
+ {
+ \str_if_eq:nnTF { #1 #2 #3 #4 }
+ { \__regex_compile_special:N : \__regex_compile_special:N ] }
+ {
+ \cs_if_exist:cTF { __regex_posix_ \l__regex_internal_a_tl : }
+ {
+ \__regex_compile_one:x
+ {
+ \bool_if:NF \l__regex_internal_bool \__regex_item_reverse:n
+ \exp_not:c { __regex_posix_ \l__regex_internal_a_tl : }
+ }
+ }
+ {
+ \__msg_kernel_warning:nnx { regex } { posix-unknown }
+ { \l__regex_internal_a_tl }
+ \__regex_compile_abort_tokens:x
+ {
+ [: \bool_if:NF \l__regex_internal_bool { ^ }
+ \l__regex_internal_a_tl :]
+ }
+ }
+ }
+ {
+ \__msg_kernel_error:nnxx { regex } { posix-missing-close }
+ { [: \l__regex_internal_a_tl } { #2 #4 }
+ \__regex_compile_abort_tokens:x { [: \l__regex_internal_a_tl }
+ #1 #2 #3 #4
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_group_begin:N #1
+ {
+ \__tl_build_one:n { #1 { \if_false: } \fi: }
+ \__regex_mode_quit_c:
+ \__tl_build:Nw \l__regex_internal_regex
+ \int_set_eq:NN \l__regex_default_catcodes_int \l__regex_catcodes_int
+ \int_incr:N \l__regex_group_level_int
+ \__tl_build_one:n { \__regex_branch:n { \if_false: } \fi: }
+ }
+\cs_new_protected:Npn \__regex_compile_group_end:
+ {
+ \if_int_compare:w \l__regex_group_level_int > 0 \exp_stop_f:
+ \__tl_build_one:n { \if_false: { \fi: } }
+ \__tl_build_end:
+ \int_set_eq:NN \l__regex_catcodes_int \l__regex_default_catcodes_int
+ \__tl_build_one:o \l__regex_internal_regex
+ \exp_after:wN \__regex_compile_quantifier:w
+ \else:
+ \__msg_kernel_warning:nn { regex } { extra-rparen }
+ \exp_after:wN \__regex_compile_raw:N \exp_after:wN )
+ \fi:
+ }
+\cs_new_protected:cpn { __regex_compile_(: }
+ {
+ \__regex_if_in_class:TF { \__regex_compile_raw:N ( }
+ { \__regex_compile_lparen:w }
+ }
+\cs_new_protected:Npn \__regex_compile_lparen:w #1#2#3#4
+ {
+ \str_if_eq:nnTF { #1 #2 } { \__regex_compile_special:N ? }
+ {
+ \cs_if_exist_use:cF
+ { __regex_compile_special_group_\token_to_str:N #4 :w }
+ {
+ \__msg_kernel_warning:nnx { regex } { special-group-unknown }
+ { (? #4 }
+ \__regex_compile_group_begin:N \__regex_group:nnnN
+ \__regex_compile_raw:N ? #3 #4
+ }
+ }
+ {
+ \__regex_compile_group_begin:N \__regex_group:nnnN
+ #1 #2 #3 #4
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_|: }
+ {
+ \__regex_if_in_class:TF { \__regex_compile_raw:N | }
+ {
+ \__tl_build_one:n
+ { \if_false: { \fi: } \__regex_branch:n { \if_false: } \fi: }
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_): }
+ {
+ \__regex_if_in_class:TF { \__regex_compile_raw:N ) }
+ { \__regex_compile_group_end: }
+ }
+\cs_new_protected:cpn { __regex_compile_special_group_::w }
+ { \__regex_compile_group_begin:N \__regex_group_no_capture:nnnN }
+\cs_new_protected:cpn { __regex_compile_special_group_|:w }
+ { \__regex_compile_group_begin:N \__regex_group_resetting:nnnN }
+\cs_new_protected:Npn \__regex_compile_special_group_i:w #1#2
+ {
+ \str_if_eq:nnTF { #1 #2 } { \__regex_compile_special:N ) }
+ {
+ \cs_set:Npn \__regex_item_equal:n { \__regex_item_caseless_equal:n }
+ \cs_set:Npn \__regex_item_range:nn { \__regex_item_caseless_range:nn }
+ }
+ {
+ \__msg_kernel_warning:nnx { regex } { unknown-option } { (?i #2 }
+ \__regex_compile_raw:N (
+ \__regex_compile_raw:N ?
+ \__regex_compile_raw:N i
+ #1 #2
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_special_group_-:w } #1#2#3#4
+ {
+ \str_if_eq:nnTF { #1 #2 #3 #4 }
+ { \__regex_compile_raw:N i \__regex_compile_special:N ) }
+ {
+ \cs_set:Npn \__regex_item_equal:n { \__regex_item_caseful_equal:n }
+ \cs_set:Npn \__regex_item_range:nn { \__regex_item_caseful_range:nn }
+ }
+ {
+ \__msg_kernel_warning:nnx { regex } { unknown-option } { (?-#2#4 }
+ \__regex_compile_raw:N (
+ \__regex_compile_raw:N ?
+ \__regex_compile_raw:N -
+ #1 #2 #3 #4
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_/c: }
+ { \__regex_chk_c_allowed:T { \__regex_compile_c_test:NN } }
+\cs_new_protected:Npn \__regex_compile_c_test:NN #1#2
+ {
+ \token_if_eq_meaning:NNTF #1 \__regex_compile_raw:N
+ {
+ \int_if_exist:cTF { c__regex_catcode_#2_int }
+ {
+ \int_set_eq:Nc \l__regex_catcodes_int { c__regex_catcode_#2_int }
+ \l__regex_mode_int
+ = \if_case:w \l__regex_mode_int
+ \c__regex_catcode_mode_int
+ \else:
+ \c__regex_catcode_in_class_mode_int
+ \fi:
+ }
+ }
+ { \cs_if_exist_use:cF { __regex_compile_c_#2:w } }
+ {
+ \__msg_kernel_error:nnx { regex } { c-missing-category } {#2}
+ #1 #2
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_c_[:w } #1#2
+ {
+ \l__regex_mode_int
+ = \if_case:w \l__regex_mode_int
+ \c__regex_catcode_mode_int
+ \else:
+ \c__regex_catcode_in_class_mode_int
+ \fi:
+ \int_zero:N \l__regex_catcodes_int
+ \str_if_eq:nnTF { #1 #2 } { \__regex_compile_special:N ^ }
+ {
+ \bool_set_false:N \l__regex_catcodes_bool
+ \__regex_compile_c_lbrack_loop:NN
+ }
+ {
+ \bool_set_true:N \l__regex_catcodes_bool
+ \__regex_compile_c_lbrack_loop:NN
+ #1 #2
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_c_lbrack_loop:NN #1#2
+ {
+ \token_if_eq_meaning:NNTF #1 \__regex_compile_raw:N
+ {
+ \int_if_exist:cTF { c__regex_catcode_#2_int }
+ {
+ \exp_args:Nc \__regex_compile_c_lbrack_add:N
+ { c__regex_catcode_#2_int }
+ \__regex_compile_c_lbrack_loop:NN
+ }
+ }
+ {
+ \token_if_eq_charcode:NNTF #2 ]
+ { \__regex_compile_c_lbrack_end: }
+ }
+ {
+ \__msg_kernel_error:nnx { regex } { c-missing-rbrack } {#2}
+ \__regex_compile_c_lbrack_end:
+ #1 #2
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_c_lbrack_add:N #1
+ {
+ \if_int_odd:w \__int_eval:w \l__regex_catcodes_int / #1 \__int_eval_end:
+ \else:
+ \int_add:Nn \l__regex_catcodes_int {#1}
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_compile_c_lbrack_end:
+ {
+ \if_meaning:w \c_false_bool \l__regex_catcodes_bool
+ \int_set:Nn \l__regex_catcodes_int
+ { \c__regex_all_catcodes_int - \l__regex_catcodes_int }
+ \fi:
+ }
+\cs_new_protected:cpn { __regex_compile_c_ \c_left_brace_str :w }
+ {
+ \__regex_compile:w
+ \__regex_disable_submatches:
+ \l__regex_mode_int
+ = \if_case:w \l__regex_mode_int
+ \c__regex_cs_mode_int
+ \else:
+ \c__regex_cs_in_class_mode_int
+ \fi:
+ }
+\flag_new:n { __regex_cs }
+\cs_new_protected:cpn { __regex_compile_ \c_right_brace_str : }
+ {
+ \__regex_if_in_cs:TF
+ { \__regex_compile_end_cs: }
+ { \exp_after:wN \__regex_compile_raw:N \c_right_brace_str }
+ }
+\cs_new_protected:Npn \__regex_compile_end_cs:
+ {
+ \__regex_compile_end:
+ \flag_clear:n { __regex_cs }
+ \tl_set:Nx \l__regex_internal_a_tl
+ {
+ \exp_after:wN \__regex_compile_cs_aux:Nn \l__regex_internal_regex
+ \q_nil \q_nil \q_recursion_stop
+ }
+ \exp_args:Nx \__regex_compile_one:x
+ {
+ \flag_if_raised:nTF { __regex_cs }
+ { \__regex_item_cs:n { \exp_not:o \l__regex_internal_regex } }
+ { \__regex_item_exact_cs:n { \tl_tail:N \l__regex_internal_a_tl } }
+ }
+ }
+\cs_new:Npn \__regex_compile_cs_aux:Nn #1#2
+ {
+ \cs_if_eq:NNTF #1 \__regex_branch:n
+ {
+ \scan_stop:
+ \__regex_compile_cs_aux:NNnnnN #2
+ \q_nil \q_nil \q_nil \q_nil \q_nil \q_nil \q_recursion_stop
+ \__regex_compile_cs_aux:Nn
+ }
+ {
+ \quark_if_nil:NF #1 { \flag_raise:n { __regex_cs } }
+ \use_none_delimit_by_q_recursion_stop:w
+ }
+ }
+\cs_new:Npn \__regex_compile_cs_aux:NNnnnN #1#2#3#4#5#6
+ {
+ \bool_lazy_all:nTF
+ {
+ { \cs_if_eq_p:NN #1 \__regex_class:NnnnN }
+ {#2}
+ { \tl_if_head_eq_meaning_p:nN {#3} \__regex_item_caseful_equal:n }
+ { \int_compare_p:nNn { \tl_count:n {#3} } = { 2 } }
+ { \int_compare_p:nNn {#5} = { 0 } }
+ }
+ {
+ \prg_replicate:nn {#4}
+ { \char_generate:nn { \use_ii:nn #3 } {12} }
+ \__regex_compile_cs_aux:NNnnnN
+ }
+ {
+ \quark_if_nil:NF #1
+ {
+ \flag_raise:n { __regex_cs }
+ \use_i_delimit_by_q_recursion_stop:nw
+ }
+ \use_none_delimit_by_q_recursion_stop:w
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_/u: } #1#2
+ {
+ \__regex_if_in_class_or_catcode:TF
+ { \__regex_compile_raw_error:N u #1 #2 }
+ {
+ \str_if_eq_x:nnTF {#1#2} { \__regex_compile_special:N \c_left_brace_str }
+ {
+ \tl_set:Nx \l__regex_internal_a_tl { \if_false: } \fi:
+ \__regex_compile_u_loop:NN
+ }
+ {
+ \__msg_kernel_error:nn { regex } { u-missing-lbrace }
+ \__regex_compile_raw:N u #1 #2
+ }
+ }
+ }
+\cs_new:Npn \__regex_compile_u_loop:NN #1#2
+ {
+ \token_if_eq_meaning:NNTF #1 \__regex_compile_raw:N
+ { #2 \__regex_compile_u_loop:NN }
+ {
+ \token_if_eq_meaning:NNTF #1 \__regex_compile_special:N
+ {
+ \exp_after:wN \token_if_eq_charcode:NNTF \c_right_brace_str #2
+ { \if_false: { \fi: } \__regex_compile_u_end: }
+ { #2 \__regex_compile_u_loop:NN }
+ }
+ {
+ \if_false: { \fi: }
+ \__msg_kernel_error:nnx { regex } { u-missing-rbrace } {#2}
+ \__regex_compile_u_end:
+ #1 #2
+ }
+ }
+ }
+\cs_new_protected:Npn \__regex_compile_u_end:
+ {
+ \tl_set:Nv \l__regex_internal_a_tl { \l__regex_internal_a_tl }
+ \if_int_compare:w \l__regex_mode_int = \c__regex_outer_mode_int
+ \__regex_compile_u_not_cs:
+ \else:
+ \__regex_compile_u_in_cs:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_compile_u_in_cs:
+ {
+ \tl_gset:Nx \g__regex_internal_tl
+ { \exp_args:No \__str_to_other_fast:n { \l__regex_internal_a_tl } }
+ \__tl_build_one:x
+ {
+ \tl_map_function:NN \g__regex_internal_tl
+ \__regex_compile_u_in_cs_aux:n
+ }
+ }
+\cs_new:Npn \__regex_compile_u_in_cs_aux:n #1
+ {
+ \__regex_class:NnnnN \c_true_bool
+ { \__regex_item_caseful_equal:n { \__int_value:w `#1 } }
+ { 1 } { 0 } \c_false_bool
+ }
+\cs_new_protected:Npn \__regex_compile_u_not_cs:
+ {
+ \exp_args:No \__tl_analysis_map_inline:nn { \l__regex_internal_a_tl }
+ {
+ \__tl_build_one:n
+ {
+ \__regex_class:NnnnN \c_true_bool
+ {
+ \if_int_compare:w "##2 = 0 \exp_stop_f:
+ \__regex_item_exact_cs:n { \exp_after:wN \cs_to_str:N ##1 }
+ \else:
+ \__regex_item_exact:nn { \__int_value:w "##2 } { ##3 }
+ \fi:
+ }
+ { 1 } { 0 } \c_false_bool
+ }
+ }
+ }
+\cs_new_protected:cpn { __regex_compile_/K: }
+ {
+ \int_compare:nNnTF \l__regex_mode_int = \c__regex_outer_mode_int
+ { \__tl_build_one:n { \__regex_command_K: } }
+ { \__regex_compile_raw_error:N K }
+ }
+\cs_new_protected:Npn \__regex_show:Nn #1#2
+ {
+ \__tl_build:Nw \l__regex_internal_a_tl
+ \cs_set_protected:Npn \__regex_branch:n
+ {
+ \seq_pop_right:NN \l__regex_show_prefix_seq \l__regex_internal_a_tl
+ \__regex_show_one:n { +-branch }
+ \seq_put_right:No \l__regex_show_prefix_seq \l__regex_internal_a_tl
+ \use:n
+ }
+ \cs_set_protected:Npn \__regex_group:nnnN
+ { \__regex_show_group_aux:nnnnN { } }
+ \cs_set_protected:Npn \__regex_group_no_capture:nnnN
+ { \__regex_show_group_aux:nnnnN { ~(no~capture) } }
+ \cs_set_protected:Npn \__regex_group_resetting:nnnN
+ { \__regex_show_group_aux:nnnnN { ~(resetting) } }
+ \cs_set_eq:NN \__regex_class:NnnnN \__regex_show_class:NnnnN
+ \cs_set_protected:Npn \__regex_command_K:
+ { \__regex_show_one:n { reset~match~start~(\iow_char:N\\K) } }
+ \cs_set_protected:Npn \__regex_assertion:Nn ##1##2
+ { \__regex_show_one:n { \bool_if:NF ##1 { negative~ } assertion:~##2 } }
+ \cs_set:Npn \__regex_b_test: { word~boundary }
+ \cs_set_eq:NN \__regex_anchor:N \__regex_show_anchor_to_str:N
+ \cs_set_protected:Npn \__regex_item_caseful_equal:n ##1
+ { \__regex_show_one:n { char~code~\int_eval:n{##1} } }
+ \cs_set_protected:Npn \__regex_item_caseful_range:nn ##1##2
+ { \__regex_show_one:n { range~[\int_eval:n{##1}, \int_eval:n{##2}] } }
+ \cs_set_protected:Npn \__regex_item_caseless_equal:n ##1
+ { \__regex_show_one:n { char~code~\int_eval:n{##1}~(caseless) } }
+ \cs_set_protected:Npn \__regex_item_caseless_range:nn ##1##2
+ {
+ \__regex_show_one:n
+ { Range~[\int_eval:n{##1}, \int_eval:n{##2}]~(caseless) }
+ }
+ \cs_set_protected:Npn \__regex_item_catcode:nT
+ { \__regex_show_item_catcode:NnT \c_true_bool }
+ \cs_set_protected:Npn \__regex_item_catcode_reverse:nT
+ { \__regex_show_item_catcode:NnT \c_false_bool }
+ \cs_set_protected:Npn \__regex_item_reverse:n
+ { \__regex_show_scope:nn { Reversed~match } }
+ \cs_set_protected:Npn \__regex_item_exact:nn ##1##2
+ { \__regex_show_one:n { char~##2,~catcode~##1 } }
+ \cs_set_eq:NN \__regex_item_exact_cs:n \__regex_show_item_exact_cs:n
+ \cs_set_protected:Npn \__regex_item_cs:n
+ { \__regex_show_scope:nn { control~sequence } }
+ \cs_set:cpn { __regex_prop_.: } { \__regex_show_one:n { any~token } }
+ \seq_clear:N \l__regex_show_prefix_seq
+ \__regex_show_push:n { ~ }
+ \cs_if_exist_use:N #1
+ \__tl_build_end:
+ \__msg_show_variable:NNNnn #1 \cs_if_exist:NTF ? { }
+ { >~Compiled~regex~#2: \l__regex_internal_a_tl }
+ }
+\cs_new_protected:Npn \__regex_show_one:n #1
+ {
+ \int_incr:N \l__regex_show_lines_int
+ \__tl_build_one:x
+ {
+ \exp_not:N \\
+ \seq_map_function:NN \l__regex_show_prefix_seq \use:n
+ #1
+ }
+ }
+\cs_new_protected:Npn \__regex_show_push:n #1
+ { \seq_put_right:Nx \l__regex_show_prefix_seq { #1 ~ } }
+\cs_new_protected:Npn \__regex_show_pop:
+ { \seq_pop_right:NN \l__regex_show_prefix_seq \l__regex_internal_a_tl }
+\cs_new_protected:Npn \__regex_show_scope:nn #1#2
+ {
+ \__regex_show_one:n {#1}
+ \__regex_show_push:n { ~ }
+ #2
+ \__regex_show_pop:
+ }
+\cs_new_protected:Npn \__regex_show_group_aux:nnnnN #1#2#3#4#5
+ {
+ \__regex_show_one:n { ,-group~begin #1 }
+ \__regex_show_push:n { | }
+ \use_ii:nn #2
+ \__regex_show_pop:
+ \__regex_show_one:n
+ { `-group~end \__regex_msg_repeated:nnN {#3} {#4} #5 }
+ }
+\cs_set:Npn \__regex_show_class:NnnnN #1#2#3#4#5
+ {
+ \__tl_build:Nw \l__regex_internal_a_tl
+ \int_zero:N \l__regex_show_lines_int
+ \__regex_show_push:n {~}
+ #2
+ \exp_last_unbraced:Nf
+ \int_case:nnF { \l__regex_show_lines_int }
+ {
+ {0}
+ {
+ \__tl_build_end:
+ \__regex_show_one:n { \bool_if:NTF #1 { Fail } { Pass } }
+ }
+ {1}
+ {
+ \__tl_build_end:
+ \bool_if:NTF #1
+ {
+ #2
+ \__tl_build_one:n { \__regex_msg_repeated:nnN {#3} {#4} #5 }
+ }
+ {
+ \__regex_show_one:n
+ { Don't~match~\__regex_msg_repeated:nnN {#3} {#4} #5 }
+ \__tl_build_one:o \l__regex_internal_a_tl
+ }
+ }
+ }
+ {
+ \__tl_build_end:
+ \__regex_show_one:n
+ {
+ \bool_if:NTF #1 { M } { Don't~m } atch
+ \__regex_msg_repeated:nnN {#3} {#4} #5
+ }
+ \__tl_build_one:o \l__regex_internal_a_tl
+ }
+ }
+\cs_new:Npn \__regex_show_anchor_to_str:N #1
+ {
+ anchor~at~
+ \str_case:nnF { #1 }
+ {
+ { \l__regex_min_pos_int } { start~(\iow_char:N\\A) }
+ { \l__regex_start_pos_int } { start~of~match~(\iow_char:N\\G) }
+ { \l__regex_max_pos_int } { end~(\iow_char:N\\Z) }
+ }
+ { <error:~'#1'~not~recognized> }
+ }
+\cs_new_protected:Npn \__regex_show_item_catcode:NnT #1#2
+ {
+ \seq_set_split:Nnn \l__regex_internal_seq { } { CBEMTPUDSLOA }
+ \seq_set_filter:NNn \l__regex_internal_seq \l__regex_internal_seq
+ { \int_if_odd_p:n { #2 / \int_use:c { c__regex_catcode_##1_int } } }
+ \__regex_show_scope:nn
+ {
+ categories~
+ \seq_map_function:NN \l__regex_internal_seq \use:n
+ , ~
+ \bool_if:NF #1 { negative~ } class
+ }
+ }
+\cs_new_protected:Npn \__regex_show_item_exact_cs:n #1
+ {
+ \seq_set_split:Nnn \l__regex_internal_seq { \scan_stop: } {#1}
+ \seq_set_map:NNn \l__regex_internal_seq
+ \l__regex_internal_seq { \iow_char:N\\##1 }
+ \__regex_show_one:n
+ { control~sequence~ \seq_use:Nn \l__regex_internal_seq { ~or~ } }
+ }
+\int_new:N \l__regex_min_state_int
+\int_set:Nn \l__regex_min_state_int { 1 }
+\int_new:N \l__regex_max_state_int
+\int_new:N \l__regex_left_state_int
+\int_new:N \l__regex_right_state_int
+\seq_new:N \l__regex_left_state_seq
+\seq_new:N \l__regex_right_state_seq
+\int_new:N \l__regex_capturing_group_int
+\cs_new_protected:Npn \__regex_build:n #1
+ {
+ \__regex_compile:n {#1}
+ \__regex_build:N \l__regex_internal_regex
+ }
+\cs_new_protected:Npn \__regex_build:N #1
+ {
+ \__regex_standard_escapechar:
+ \int_zero:N \l__regex_capturing_group_int
+ \int_set_eq:NN \l__regex_max_state_int \l__regex_min_state_int
+ \__regex_build_new_state:
+ \__regex_build_new_state:
+ \__regex_toks_put_right:Nn \l__regex_left_state_int
+ { \__regex_action_start_wildcard: }
+ \__regex_group:nnnN {#1} { 1 } { 0 } \c_false_bool
+ \__regex_toks_put_right:Nn \l__regex_right_state_int
+ { \__regex_action_success: }
+ }
+\cs_new_protected:Npn \__regex_build_for_cs:n #1
+ {
+ \int_set_eq:NN \l__regex_max_state_int \l__regex_min_state_int
+ \__regex_build_new_state:
+ \__regex_build_new_state:
+ \__regex_push_lr_states:
+ #1
+ \__regex_pop_lr_states:
+ \__regex_toks_put_right:Nn \l__regex_right_state_int
+ {
+ \if_int_compare:w \l__regex_current_pos_int = \l__regex_max_pos_int
+ \exp_after:wN \__regex_action_success:
+ \fi:
+ }
+ }
+\cs_new_protected:Npn \__regex_push_lr_states:
+ {
+ \seq_push:No \l__regex_left_state_seq
+ { \int_use:N \l__regex_left_state_int }
+ \seq_push:No \l__regex_right_state_seq
+ { \int_use:N \l__regex_right_state_int }
+ }
+\cs_new_protected:Npn \__regex_pop_lr_states:
+ {
+ \seq_pop:NN \l__regex_left_state_seq \l__regex_internal_a_tl
+ \int_set:Nn \l__regex_left_state_int \l__regex_internal_a_tl
+ \seq_pop:NN \l__regex_right_state_seq \l__regex_internal_a_tl
+ \int_set:Nn \l__regex_right_state_int \l__regex_internal_a_tl
+ }
+\cs_new_protected:Npn \__regex_build_transition_left:NNN #1#2#3
+ { \__regex_toks_put_left:Nx #2 { #1 { \int_eval:n { #3 - #2 } } } }
+\cs_new_protected:Npn \__regex_build_transition_right:nNn #1#2#3
+ { \__regex_toks_put_right:Nx #2 { #1 { \int_eval:n { #3 - #2 } } } }
+\cs_new_protected:Npn \__regex_build_new_state:
+ {
+ \__regex_toks_clear:N \l__regex_max_state_int
+ \int_set_eq:NN \l__regex_left_state_int \l__regex_right_state_int
+ \int_set_eq:NN \l__regex_right_state_int \l__regex_max_state_int
+ \int_incr:N \l__regex_max_state_int
+ }
+\cs_new_protected:Npn \__regex_build_transitions_lazyness:NNNNN #1#2#3#4#5
+ {
+ \__regex_build_new_state:
+ \__regex_toks_put_right:Nx \l__regex_left_state_int
+ {
+ \if_meaning:w \c_true_bool #1
+ #2 { \int_eval:n { #3 - \l__regex_left_state_int } }
+ #4 { \int_eval:n { #5 - \l__regex_left_state_int } }
+ \else:
+ #4 { \int_eval:n { #5 - \l__regex_left_state_int } }
+ #2 { \int_eval:n { #3 - \l__regex_left_state_int } }
+ \fi:
+ }
+ }
+\cs_new_protected:Npn \__regex_class:NnnnN #1#2#3#4#5
+ {
+ \cs_set:Npx \__regex_tests_action_cost:n ##1
+ {
+ \exp_not:n { \exp_not:n {#2} }
+ \bool_if:NTF #1
+ { \__regex_break_point:TF { \__regex_action_cost:n {##1} } { } }
+ { \__regex_break_point:TF { } { \__regex_action_cost:n {##1} } }
+ }
+ \if_case:w - #4 \exp_stop_f:
+ \__regex_class_repeat:n {#3}
+ \or: \__regex_class_repeat:nN {#3} #5
+ \else: \__regex_class_repeat:nnN {#3} {#4} #5
+ \fi:
+ }
+\cs_new:Npn \__regex_tests_action_cost:n { \__regex_action_cost:n }
+\cs_new_protected:Npn \__regex_class_repeat:n #1
+ {
+ \prg_replicate:nn {#1}
+ {
+ \__regex_build_new_state:
+ \__regex_build_transition_right:nNn \__regex_tests_action_cost:n
+ \l__regex_left_state_int \l__regex_right_state_int
+ }
+ }
+\cs_new_protected:Npn \__regex_class_repeat:nN #1#2
+ {
+ \if_int_compare:w #1 = 0 \exp_stop_f:
+ \__regex_build_transitions_lazyness:NNNNN #2
+ \__regex_action_free:n \l__regex_right_state_int
+ \__regex_tests_action_cost:n \l__regex_left_state_int
+ \else:
+ \__regex_class_repeat:n {#1}
+ \int_set_eq:NN \l__regex_internal_a_int \l__regex_left_state_int
+ \__regex_build_transitions_lazyness:NNNNN #2
+ \__regex_action_free:n \l__regex_right_state_int
+ \__regex_action_free:n \l__regex_internal_a_int
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_class_repeat:nnN #1#2#3
+ {
+ \__regex_class_repeat:n {#1}
+ \int_set:Nn \l__regex_internal_a_int
+ { \l__regex_max_state_int + #2 - 1 }
+ \prg_replicate:nn { #2 }
+ {
+ \__regex_build_transitions_lazyness:NNNNN #3
+ \__regex_action_free:n \l__regex_internal_a_int
+ \__regex_tests_action_cost:n \l__regex_right_state_int
+ }
+ }
+\cs_new_protected:Npn \__regex_group_aux:nnnnN #1#2#3#4#5
+ {
+ \if_int_compare:w #3 = 0 \exp_stop_f:
+ \__regex_build_new_state:
+ \__regex_build_transition_right:nNn \__regex_action_free_group:n
+ \l__regex_left_state_int \l__regex_right_state_int
+ \fi:
+ \__regex_build_new_state:
+ \__regex_push_lr_states:
+ #2
+ \__regex_pop_lr_states:
+ \if_case:w - #4 \exp_stop_f:
+ \__regex_group_repeat:nn {#1} {#3}
+ \or: \__regex_group_repeat:nnN {#1} {#3} #5
+ \else: \__regex_group_repeat:nnnN {#1} {#3} {#4} #5
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_group:nnnN #1
+ {
+ \exp_args:No \__regex_group_aux:nnnnN
+ { \int_use:N \l__regex_capturing_group_int }
+ {
+ \int_incr:N \l__regex_capturing_group_int
+ #1
+ }
+ }
+\cs_new_protected:Npn \__regex_group_no_capture:nnnN
+ { \__regex_group_aux:nnnnN { -1 } }
+\cs_new_protected:Npn \__regex_group_resetting:nnnN #1
+ {
+ \__regex_group_aux:nnnnN { -1 }
+ {
+ \exp_args:Noo \__regex_group_resetting_loop:nnNn
+ { \int_use:N \l__regex_capturing_group_int }
+ { \int_use:N \l__regex_capturing_group_int }
+ #1
+ { ?? \__prg_break:n } { }
+ \__prg_break_point:
+ }
+ }
+\cs_new_protected:Npn \__regex_group_resetting_loop:nnNn #1#2#3#4
+ {
+ \use_none:nn #3 { \int_set:Nn \l__regex_capturing_group_int {#1} }
+ \int_set:Nn \l__regex_capturing_group_int {#2}
+ #3 {#4}
+ \exp_args:Nf \__regex_group_resetting_loop:nnNn
+ { \int_max:nn {#1} { \l__regex_capturing_group_int } }
+ {#2}
+ }
+\cs_new_protected:Npn \__regex_branch:n #1
+ {
+ \__regex_build_new_state:
+ \seq_get:NN \l__regex_left_state_seq \l__regex_internal_a_tl
+ \int_set:Nn \l__regex_left_state_int \l__regex_internal_a_tl
+ \__regex_build_transition_right:nNn \__regex_action_free:n
+ \l__regex_left_state_int \l__regex_right_state_int
+ #1
+ \seq_get:NN \l__regex_right_state_seq \l__regex_internal_a_tl
+ \__regex_build_transition_right:nNn \__regex_action_free:n
+ \l__regex_right_state_int \l__regex_internal_a_tl
+ }
+\cs_new_protected:Npn \__regex_group_repeat:nn #1#2
+ {
+ \if_int_compare:w #2 = 0 \exp_stop_f:
+ \int_set:Nn \l__regex_max_state_int
+ { \l__regex_left_state_int - 1 }
+ \__regex_build_new_state:
+ \else:
+ \__regex_group_repeat_aux:n {#2}
+ \__regex_group_submatches:nNN {#1}
+ \l__regex_internal_a_int \l__regex_right_state_int
+ \__regex_build_new_state:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_group_submatches:nNN #1#2#3
+ {
+ \if_int_compare:w #1 > - 1 \exp_stop_f:
+ \__regex_toks_put_left:Nx #2 { \__regex_action_submatch:n { #1 < } }
+ \__regex_toks_put_left:Nx #3 { \__regex_action_submatch:n { #1 > } }
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_group_repeat_aux:n #1
+ {
+ \__regex_build_transition_right:nNn \__regex_action_free:n
+ \l__regex_right_state_int \l__regex_max_state_int
+ \int_set_eq:NN \l__regex_internal_a_int \l__regex_left_state_int
+ \int_set_eq:NN \l__regex_internal_b_int \l__regex_max_state_int
+ \if_int_compare:w \__int_eval:w #1 > 1 \exp_stop_f:
+ \int_set:Nn \l__regex_internal_c_int
+ {
+ ( #1 - 1 )
+ * ( \l__regex_internal_b_int - \l__regex_internal_a_int )
+ }
+ \int_add:Nn \l__regex_right_state_int { \l__regex_internal_c_int }
+ \int_add:Nn \l__regex_max_state_int { \l__regex_internal_c_int }
+ \__regex_toks_memcpy:NNn
+ \l__regex_internal_b_int
+ \l__regex_internal_a_int
+ \l__regex_internal_c_int
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_group_repeat:nnN #1#2#3
+ {
+ \if_int_compare:w #2 = 0 \exp_stop_f:
+ \__regex_group_submatches:nNN {#1}
+ \l__regex_left_state_int \l__regex_right_state_int
+ \int_set:Nn \l__regex_internal_a_int
+ { \l__regex_left_state_int - 1 }
+ \__regex_build_transition_right:nNn \__regex_action_free:n
+ \l__regex_right_state_int \l__regex_internal_a_int
+ \__regex_build_new_state:
+ \if_meaning:w \c_true_bool #3
+ \__regex_build_transition_left:NNN \__regex_action_free:n
+ \l__regex_internal_a_int \l__regex_right_state_int
+ \else:
+ \__regex_build_transition_right:nNn \__regex_action_free:n
+ \l__regex_internal_a_int \l__regex_right_state_int
+ \fi:
+ \else:
+ \__regex_group_repeat_aux:n {#2}
+ \__regex_group_submatches:nNN {#1}
+ \l__regex_internal_a_int \l__regex_right_state_int
+ \if_meaning:w \c_true_bool #3
+ \__regex_build_transition_right:nNn \__regex_action_free_group:n
+ \l__regex_right_state_int \l__regex_internal_a_int
+ \else:
+ \__regex_build_transition_left:NNN \__regex_action_free_group:n
+ \l__regex_right_state_int \l__regex_internal_a_int
+ \fi:
+ \__regex_build_new_state:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_group_repeat:nnnN #1#2#3#4
+ {
+ \__regex_group_submatches:nNN {#1}
+ \l__regex_left_state_int \l__regex_right_state_int
+ \__regex_group_repeat_aux:n { #2 + #3 }
+ \if_meaning:w \c_true_bool #4
+ \int_set_eq:NN \l__regex_left_state_int \l__regex_max_state_int
+ \prg_replicate:nn { #3 }
+ {
+ \int_sub:Nn \l__regex_left_state_int
+ { \l__regex_internal_b_int - \l__regex_internal_a_int }
+ \__regex_build_transition_left:NNN \__regex_action_free:n
+ \l__regex_left_state_int \l__regex_max_state_int
+ }
+ \else:
+ \prg_replicate:nn { #3 - 1 }
+ {
+ \int_sub:Nn \l__regex_right_state_int
+ { \l__regex_internal_b_int - \l__regex_internal_a_int }
+ \__regex_build_transition_right:nNn \__regex_action_free:n
+ \l__regex_right_state_int \l__regex_max_state_int
+ }
+ \if_int_compare:w #2 = 0 \exp_stop_f:
+ \int_set:Nn \l__regex_right_state_int
+ { \l__regex_left_state_int - 1 }
+ \else:
+ \int_sub:Nn \l__regex_right_state_int
+ { \l__regex_internal_b_int - \l__regex_internal_a_int }
+ \fi:
+ \__regex_build_transition_right:nNn \__regex_action_free:n
+ \l__regex_right_state_int \l__regex_max_state_int
+ \fi:
+ \__regex_build_new_state:
+ }
+\cs_new_protected:Npn \__regex_assertion:Nn #1#2
+ {
+ \__regex_build_new_state:
+ \__regex_toks_put_right:Nx \l__regex_left_state_int
+ {
+ \exp_not:n {#2}
+ \__regex_break_point:TF
+ \bool_if:NF #1 { { } }
+ {
+ \__regex_action_free:n
+ {
+ \int_eval:n
+ { \l__regex_right_state_int - \l__regex_left_state_int }
+ }
+ }
+ \bool_if:NT #1 { { } }
+ }
+ }
+\cs_new_protected:Npn \__regex_anchor:N #1
+ {
+ \if_int_compare:w #1 = \l__regex_current_pos_int
+ \exp_after:wN \__regex_break_true:w
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_b_test:
+ {
+ \group_begin:
+ \int_set_eq:NN \l__regex_current_char_int \l__regex_last_char_int
+ \__regex_prop_w:
+ \__regex_break_point:TF
+ { \group_end: \__regex_item_reverse:n \__regex_prop_w: }
+ { \group_end: \__regex_prop_w: }
+ }
+\cs_new_protected:Npn \__regex_command_K:
+ {
+ \__regex_build_new_state:
+ \__regex_toks_put_right:Nx \l__regex_left_state_int
+ {
+ \__regex_action_submatch:n { 0< }
+ \bool_set_true:N \l__regex_fresh_thread_bool
+ \__regex_action_free:n
+ { \int_eval:n { \l__regex_right_state_int - \l__regex_left_state_int } }
+ \bool_set_false:N \l__regex_fresh_thread_bool
+ }
+ }
+\int_new:N \l__regex_min_pos_int
+\int_new:N \l__regex_max_pos_int
+\int_new:N \l__regex_current_pos_int
+\int_new:N \l__regex_start_pos_int
+\int_new:N \l__regex_success_pos_int
+\int_new:N \l__regex_current_char_int
+\int_new:N \l__regex_current_catcode_int
+\int_new:N \l__regex_last_char_int
+\int_new:N \l__regex_case_changed_char_int
+\int_new:N \l__regex_current_state_int
+\prop_new:N \l__regex_current_submatches_prop
+\prop_new:N \l__regex_success_submatches_prop
+\int_new:N \l__regex_step_int
+\int_new:N \l__regex_min_active_int
+\int_new:N \l__regex_max_active_int
+\__intarray_new:Nn \g__regex_state_active_intarray { 65536 }
+\__intarray_new:Nn \g__regex_thread_state_intarray { 65536 }
+\tl_new:N \l__regex_every_match_tl
+\bool_new:N \l__regex_fresh_thread_bool
+\bool_new:N \l__regex_empty_success_bool
+\cs_new_eq:NN \__regex_if_two_empty_matches:F \use:n
+\bool_new:N \g__regex_success_bool
+\bool_new:N \l__regex_saved_success_bool
+\bool_new:N \l__regex_match_success_bool
+\cs_new_protected:Npn \__regex_match:n #1
+ {
+ \int_zero:N \l__regex_balance_int
+ \int_set:Nn \l__regex_current_pos_int { 2 * \l__regex_max_state_int }
+ \__regex_query_set:nnn { } { -1 } { -2 }
+ \int_set_eq:NN \l__regex_min_pos_int \l__regex_current_pos_int
+ \__tl_analysis_map_inline:nn {#1}
+ { \__regex_query_set:nnn {##1} {"##2} {##3} }
+ \int_set_eq:NN \l__regex_max_pos_int \l__regex_current_pos_int
+ \__regex_query_set:nnn { } { -1 } { -2 }
+ \bool_gset_false:N \g__regex_success_bool
+ \int_step_inline:nnnn
+ \l__regex_min_state_int { 1 } { \l__regex_max_state_int - 1 }
+ { \__intarray_gset_fast:Nnn \g__regex_state_active_intarray {##1} { 1 } }
+ \int_set_eq:NN \l__regex_min_active_int \l__regex_max_state_int
+ \int_zero:N \l__regex_step_int
+ \int_set_eq:NN \l__regex_success_pos_int \l__regex_min_pos_int
+ \int_set:Nn \l__regex_min_submatch_int
+ { 2 * \l__regex_max_state_int }
+ \int_set_eq:NN \l__regex_submatch_int \l__regex_min_submatch_int
+ \bool_set_false:N \l__regex_empty_success_bool
+ \__regex_match_once:
+ }
+\cs_new_protected:Npn \__regex_match_once:
+ {
+ \if_meaning:w \c_true_bool \l__regex_empty_success_bool
+ \cs_set:Npn \__regex_if_two_empty_matches:F
+ { \int_compare:nNnF \l__regex_start_pos_int = \l__regex_current_pos_int }
+ \else:
+ \cs_set_eq:NN \__regex_if_two_empty_matches:F \use:n
+ \fi:
+ \int_set_eq:NN \l__regex_start_pos_int \l__regex_success_pos_int
+ \bool_set_false:N \l__regex_match_success_bool
+ \prop_clear:N \l__regex_current_submatches_prop
+ \int_set_eq:NN \l__regex_max_active_int \l__regex_min_active_int
+ \__regex_store_state:n { \l__regex_min_state_int }
+ \int_set:Nn \l__regex_current_pos_int
+ { \l__regex_start_pos_int - 1 }
+ \__regex_query_get:
+ \__regex_match_loop:
+ \l__regex_every_match_tl
+ }
+\cs_new_protected:Npn \__regex_single_match:
+ {
+ \tl_set:Nn \l__regex_every_match_tl
+ { \bool_gset_eq:NN \g__regex_success_bool \l__regex_match_success_bool }
+ }
+\cs_new_protected:Npn \__regex_multi_match:n #1
+ {
+ \tl_set:Nn \l__regex_every_match_tl
+ {
+ \if_meaning:w \c_true_bool \l__regex_match_success_bool
+ \bool_gset_true:N \g__regex_success_bool
+ #1
+ \exp_after:wN \__regex_match_once:
+ \fi:
+ }
+ }
+\cs_new_protected:Npn \__regex_match_loop:
+ {
+ \int_add:Nn \l__regex_step_int { 2 }
+ \int_incr:N \l__regex_current_pos_int
+ \int_set_eq:NN \l__regex_last_char_int \l__regex_current_char_int
+ \int_set_eq:NN \l__regex_case_changed_char_int \c_max_int
+ \__regex_query_get:
+ \use:x
+ {
+ \int_set_eq:NN \l__regex_max_active_int \l__regex_min_active_int
+ \int_step_function:nnnN
+ { \l__regex_min_active_int }
+ { 1 }
+ { \l__regex_max_active_int - 1 }
+ \__regex_match_one_active:n
+ }
+ \__prg_break_point:
+ \bool_set_false:N \l__regex_fresh_thread_bool %^^A was arg of break_point:n
+ \if_int_compare:w \l__regex_max_active_int > \l__regex_min_active_int
+ \if_int_compare:w \l__regex_current_pos_int < \l__regex_max_pos_int
+ \exp_after:wN \exp_after:wN \exp_after:wN \__regex_match_loop:
+ \fi:
+ \fi:
+ }
+\cs_new:Npn \__regex_match_one_active:n #1
+ {
+ \__regex_use_state_and_submatches:nn
+ { \__intarray_item_fast:Nn \g__regex_thread_state_intarray {#1} }
+ { \__regex_toks_use:w #1 }
+ }
+\cs_new_protected:Npn \__regex_query_set:nnn #1#2#3
+ {
+ \__intarray_gset_fast:Nnn \g__regex_charcode_intarray
+ { \l__regex_current_pos_int } {#3}
+ \__intarray_gset_fast:Nnn \g__regex_catcode_intarray
+ { \l__regex_current_pos_int } {#2}
+ \__intarray_gset_fast:Nnn \g__regex_balance_intarray
+ { \l__regex_current_pos_int } { \l__regex_balance_int }
+ \__regex_toks_set:Nn \l__regex_current_pos_int {#1}
+ \int_incr:N \l__regex_current_pos_int
+ \if_case:w #2 \exp_stop_f:
+ \or: \int_incr:N \l__regex_balance_int
+ \or: \int_decr:N \l__regex_balance_int
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_query_get:
+ {
+ \l__regex_current_char_int
+ = \__intarray_item_fast:Nn \g__regex_charcode_intarray
+ { \l__regex_current_pos_int } \scan_stop:
+ \l__regex_current_catcode_int
+ = \__intarray_item_fast:Nn \g__regex_catcode_intarray
+ { \l__regex_current_pos_int } \scan_stop:
+ }
+\cs_new_protected:Npn \__regex_use_state:
+ {
+ \__intarray_gset_fast:Nnn \g__regex_state_active_intarray
+ { \l__regex_current_state_int } { \l__regex_step_int }
+ \__regex_toks_use:w \l__regex_current_state_int
+ \__intarray_gset_fast:Nnn \g__regex_state_active_intarray
+ { \l__regex_current_state_int } { \l__regex_step_int + 1 }
+ }
+\cs_new_protected:Npn \__regex_use_state_and_submatches:nn #1 #2
+ {
+ \int_set:Nn \l__regex_current_state_int {#1}
+ \if_int_compare:w
+ \__intarray_item_fast:Nn \g__regex_state_active_intarray
+ { \l__regex_current_state_int }
+ < \l__regex_step_int
+ \tl_set:Nn \l__regex_current_submatches_prop {#2}
+ \exp_after:wN \__regex_use_state:
+ \fi:
+ \scan_stop:
+ }
+\cs_new_protected:Npn \__regex_action_start_wildcard:
+ {
+ \bool_set_true:N \l__regex_fresh_thread_bool
+ \__regex_action_free:n {1}
+ \bool_set_false:N \l__regex_fresh_thread_bool
+ \__regex_action_cost:n {0}
+ }
+\cs_new_protected:Npn \__regex_action_free:n
+ { \__regex_action_free_aux:nn { > \l__regex_step_int \else: } }
+\cs_new_protected:Npn \__regex_action_free_group:n
+ { \__regex_action_free_aux:nn { < \l__regex_step_int } }
+\cs_new_protected:Npn \__regex_action_free_aux:nn #1#2
+ {
+ \use:x
+ {
+ \int_add:Nn \l__regex_current_state_int {#2}
+ \exp_not:n
+ {
+ \if_int_compare:w
+ \__intarray_item_fast:Nn \g__regex_state_active_intarray
+ { \l__regex_current_state_int }
+ #1
+ \exp_after:wN \__regex_use_state:
+ \fi:
+ }
+ \int_set:Nn \l__regex_current_state_int
+ { \int_use:N \l__regex_current_state_int }
+ \tl_set:Nn \exp_not:N \l__regex_current_submatches_prop
+ { \exp_not:o \l__regex_current_submatches_prop }
+ }
+ }
+\cs_new_protected:Npn \__regex_action_cost:n #1
+ {
+ \exp_args:No \__regex_store_state:n
+ { \__int_value:w \__int_eval:w \l__regex_current_state_int + #1 }
+ }
+\cs_new_protected:Npn \__regex_store_state:n #1
+ {
+ \__regex_store_submatches:
+ \__intarray_gset_fast:Nnn \g__regex_thread_state_intarray
+ { \l__regex_max_active_int } {#1}
+ \int_incr:N \l__regex_max_active_int
+ }
+\cs_new_protected:Npn \__regex_store_submatches:
+ {
+ \__regex_toks_set:No \l__regex_max_active_int
+ { \l__regex_current_submatches_prop }
+ }
+\cs_new_protected:Npn \__regex_disable_submatches:
+ {
+ \cs_set_protected:Npn \__regex_store_submatches: { }
+ \cs_set_protected:Npn \__regex_action_submatch:n ##1 { }
+ }
+\cs_new_protected:Npn \__regex_action_submatch:n #1
+ {
+ \prop_put:Nno \l__regex_current_submatches_prop {#1}
+ { \int_use:N \l__regex_current_pos_int }
+ }
+\cs_new_protected:Npn \__regex_action_success:
+ {
+ \__regex_if_two_empty_matches:F
+ {
+ \bool_set_true:N \l__regex_match_success_bool
+ \bool_set_eq:NN \l__regex_empty_success_bool
+ \l__regex_fresh_thread_bool
+ \int_set_eq:NN \l__regex_success_pos_int \l__regex_current_pos_int
+ \prop_set_eq:NN \l__regex_success_submatches_prop
+ \l__regex_current_submatches_prop
+ \__prg_break:
+ }
+ }
+\int_new:N \l__regex_replacement_csnames_int
+\tl_new:N \l__regex_replacement_category_tl
+\seq_new:N \l__regex_replacement_category_seq
+\tl_new:N \l__regex_balance_tl
+\cs_new:Npn \__regex_replacement_balance_one_match:n #1
+ { - \__regex_submatch_balance:n {#1} }
+\cs_new:Npn \__regex_replacement_do_one_match:n #1
+ {
+ \__regex_query_range:nn
+ { \__intarray_item_fast:Nn \g__regex_submatch_prev_intarray {#1} }
+ { \__intarray_item_fast:Nn \g__regex_submatch_begin_intarray {#1} }
+ }
+\cs_new:Npn \__regex_replacement_exp_not:N #1 { \exp_not:n {#1} }
+\cs_new:Npn \__regex_query_range:nn #1#2
+ {
+ \exp_after:wN \__regex_query_range_loop:ww
+ \__int_value:w \__int_eval:w #1 \exp_after:wN ;
+ \__int_value:w \__int_eval:w #2 ;
+ \__prg_break_point:
+ }
+\cs_new:Npn \__regex_query_range_loop:ww #1 ; #2 ;
+ {
+ \if_int_compare:w #1 < #2 \exp_stop_f:
+ \else:
+ \exp_after:wN \__prg_break:
+ \fi:
+ \__regex_toks_use:w #1 \exp_stop_f:
+ \exp_after:wN \__regex_query_range_loop:ww
+ \__int_value:w \__int_eval:w #1 + 1 ; #2 ;
+ }
+\cs_new:Npn \__regex_query_submatch:n #1
+ {
+ \__regex_query_range:nn
+ { \__intarray_item_fast:Nn \g__regex_submatch_begin_intarray {#1} }
+ { \__intarray_item_fast:Nn \g__regex_submatch_end_intarray {#1} }
+ }
+\cs_new_protected:Npn \__regex_submatch_balance:n #1
+ {
+ \__int_eval:w
+ \int_compare:nNnTF
+ { \__intarray_item_fast:Nn \g__regex_submatch_end_intarray {#1} } = 0
+ { 0 }
+ {
+ \__intarray_item_fast:Nn \g__regex_balance_intarray
+ { \__intarray_item_fast:Nn \g__regex_submatch_end_intarray {#1} }
+ }
+ -
+ \int_compare:nNnTF
+ { \__intarray_item_fast:Nn \g__regex_submatch_begin_intarray {#1} } = 0
+ { 0 }
+ {
+ \__intarray_item_fast:Nn \g__regex_balance_intarray
+ { \__intarray_item_fast:Nn \g__regex_submatch_begin_intarray {#1} }
+ }
+ \__int_eval_end:
+ }
+\cs_new_protected:Npn \__regex_replacement:n #1
+ {
+ \__tl_build:Nw \l__regex_internal_a_tl
+ \int_zero:N \l__regex_balance_int
+ \tl_clear:N \l__regex_balance_tl
+ \__regex_escape_use:nnnn
+ {
+ \if_charcode:w \c_right_brace_str ##1
+ \__regex_replacement_rbrace:N
+ \else:
+ \__regex_replacement_normal:n
+ \fi:
+ ##1
+ }
+ { \__regex_replacement_escaped:N ##1 }
+ { \__regex_replacement_normal:n ##1 }
+ {#1}
+ \prg_do_nothing: \prg_do_nothing:
+ \if_int_compare:w \l__regex_replacement_csnames_int > 0 \exp_stop_f:
+ \__msg_kernel_error:nnx { regex } { replacement-missing-rbrace }
+ { \int_use:N \l__regex_replacement_csnames_int }
+ \__tl_build_one:x
+ { \prg_replicate:nn \l__regex_replacement_csnames_int \cs_end: }
+ \fi:
+ \seq_if_empty:NF \l__regex_replacement_category_seq
+ {
+ \__msg_kernel_error:nnx { regex } { replacement-missing-rparen }
+ { \seq_count:N \l__regex_replacement_category_seq }
+ \seq_clear:N \l__regex_replacement_category_seq
+ }
+ \cs_gset:Npx \__regex_replacement_balance_one_match:n ##1
+ {
+ + \int_use:N \l__regex_balance_int
+ \l__regex_balance_tl
+ - \__regex_submatch_balance:n {##1}
+ }
+ \__tl_build_end:
+ \exp_args:No \__regex_replacement_aux:n \l__regex_internal_a_tl
+ }
+\cs_new_protected:Npn \__regex_replacement_aux:n #1
+ {
+ \cs_set:Npn \__regex_replacement_do_one_match:n ##1
+ {
+ \__regex_query_range:nn
+ { \__intarray_item_fast:Nn \g__regex_submatch_prev_intarray {##1} }
+ { \__intarray_item_fast:Nn \g__regex_submatch_begin_intarray {##1} }
+ #1
+ }
+ }
+\cs_new_protected:Npn \__regex_replacement_normal:n #1
+ {
+ \tl_if_empty:NTF \l__regex_replacement_category_tl
+ { \__tl_build_one:n {#1} }
+ { % (
+ \token_if_eq_charcode:NNTF #1 )
+ {
+ \seq_pop:NN \l__regex_replacement_category_seq
+ \l__regex_replacement_category_tl
+ }
+ {
+ \use:c { __regex_replacement_c_ \l__regex_replacement_category_tl :w }
+ \__regex_replacement_normal:n {#1}
+ }
+ }
+ }
+\cs_new_protected:Npn \__regex_replacement_escaped:N #1
+ {
+ \cs_if_exist_use:cF { __regex_replacement_#1:w }
+ {
+ \if_int_compare:w 1 < 1#1 \exp_stop_f:
+ \__regex_replacement_put_submatch:n {#1}
+ \else:
+ \exp_args:No \__regex_replacement_normal:n
+ { \token_to_str:N #1 }
+ \fi:
+ }
+ }
+\cs_new_protected:Npn \__regex_replacement_put_submatch:n #1
+ {
+ \if_int_compare:w #1 < \l__regex_capturing_group_int
+ \__tl_build_one:n { \__regex_query_submatch:n { #1 + ##1 } }
+ \if_int_compare:w \l__regex_replacement_csnames_int = 0 \exp_stop_f:
+ \tl_put_right:Nn \l__regex_balance_tl
+ { + \__regex_submatch_balance:n { \__int_eval:w #1+##1 \__int_eval_end: } }
+ \fi:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_replacement_g:w #1#2
+ {
+ \str_if_eq_x:nnTF { #1#2 } { \__regex_replacement_normal:n \c_left_brace_str }
+ { \l__regex_internal_a_int = \__regex_replacement_g_digits:NN }
+ { \__regex_replacement_error:NNN g #1 #2 }
+ }
+\cs_new:Npn \__regex_replacement_g_digits:NN #1#2
+ {
+ \token_if_eq_meaning:NNTF #1 \__regex_replacement_normal:n
+ {
+ \if_int_compare:w 1 < 1#2 \exp_stop_f:
+ #2
+ \exp_after:wN \use_i:nnn
+ \exp_after:wN \__regex_replacement_g_digits:NN
+ \else:
+ \exp_stop_f:
+ \exp_after:wN \__regex_replacement_error:NNN
+ \exp_after:wN g
+ \fi:
+ }
+ {
+ \exp_stop_f:
+ \if_meaning:w \__regex_replacement_rbrace:N #1
+ \exp_args:No \__regex_replacement_put_submatch:n
+ { \int_use:N \l__regex_internal_a_int }
+ \exp_after:wN \use_none:nn
+ \else:
+ \exp_after:wN \__regex_replacement_error:NNN
+ \exp_after:wN g
+ \fi:
+ }
+ #1 #2
+ }
+\cs_new_protected:Npn \__regex_replacement_c:w #1#2
+ {
+ \token_if_eq_meaning:NNTF #1 \__regex_replacement_normal:n
+ {
+ \exp_after:wN \token_if_eq_charcode:NNTF \c_left_brace_str #2
+ { \__regex_replacement_cu_aux:Nw \__regex_replacement_exp_not:N }
+ {
+ \cs_if_exist:cTF { __regex_replacement_c_#2:w }
+ { \__regex_replacement_cat:NNN #2 }
+ { \__regex_replacement_error:NNN c #1#2 }
+ }
+ }
+ { \__regex_replacement_error:NNN c #1#2 }
+ }
+\cs_new_protected:Npn \__regex_replacement_cu_aux:Nw #1
+ {
+ \if_case:w \l__regex_replacement_csnames_int
+ \__tl_build_one:n { \exp_not:n { \exp_after:wN #1 \cs:w } }
+ \else:
+ \__tl_build_one:n { \exp_not:n { \exp_after:wN \tl_to_str:V \cs:w } }
+ \fi:
+ \int_incr:N \l__regex_replacement_csnames_int
+ }
+\cs_new_protected:Npn \__regex_replacement_u:w #1#2
+ {
+ \str_if_eq_x:nnTF { #1#2 } { \__regex_replacement_normal:n \c_left_brace_str }
+ { \__regex_replacement_cu_aux:Nw \exp_not:V }
+ { \__regex_replacement_error:NNN u #1#2 }
+ }
+\cs_new_protected:Npn \__regex_replacement_rbrace:N #1
+ {
+ \if_int_compare:w \l__regex_replacement_csnames_int > 0 \exp_stop_f:
+ \__tl_build_one:n \cs_end:
+ \int_decr:N \l__regex_replacement_csnames_int
+ \else:
+ \__regex_replacement_normal:n {#1}
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_replacement_cat:NNN #1#2#3
+ {
+ \token_if_eq_meaning:NNTF \prg_do_nothing: #3
+ { \__msg_kernel_error:nn { regex } { replacement-catcode-end } }
+ {
+ \int_compare:nNnTF { \l__regex_replacement_csnames_int } > 0
+ {
+ \__msg_kernel_error:nnnn
+ { regex } { replacement-catcode-in-cs } {#1} {#3}
+ #2 #3
+ }
+ {
+ \str_if_eq:nnTF { #2 #3 } { \__regex_replacement_normal:n ( } % )
+ {
+ \seq_push:NV \l__regex_replacement_category_seq
+ \l__regex_replacement_category_tl
+ \tl_set:Nn \l__regex_replacement_category_tl {#1}
+ }
+ { \use:c { __regex_replacement_c_#1:w } #2 #3 }
+ }
+ }
+ }
+\group_begin:
+ \cs_new_protected:Npn \__regex_replacement_char:nNN #1#2#3
+ {
+ \tex_lccode:D 0 = `#3 \scan_stop:
+ \tex_lowercase:D { \__tl_build_one:n {#1} }
+ }
+ \char_set_catcode_active:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_A:w
+ { \__regex_replacement_char:nNN { \exp_not:n { \exp_not:N ^^@ } } }
+ \char_set_catcode_group_begin:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_B:w
+ {
+ \if_int_compare:w \l__regex_replacement_csnames_int = 0 \exp_stop_f:
+ \int_incr:N \l__regex_balance_int
+ \fi:
+ \__regex_replacement_char:nNN
+ { \exp_not:n { \exp_after:wN ^^@ \if_false: } \fi: } }
+ }
+ \cs_new_protected:Npn \__regex_replacement_c_C:w #1#2
+ { \__tl_build_one:n { \exp_not:N \exp_not:N \exp_not:c {#2} } }
+ \char_set_catcode_math_subscript:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_D:w
+ { \__regex_replacement_char:nNN { ^^@ } }
+ \char_set_catcode_group_end:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_E:w
+ {
+ \if_int_compare:w \l__regex_replacement_csnames_int = 0 \exp_stop_f:
+ \int_decr:N \l__regex_balance_int
+ \fi:
+ \__regex_replacement_char:nNN
+ { \exp_not:n { \if_false: { \fi: ^^@ } }
+ }
+ \char_set_catcode_letter:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_L:w
+ { \__regex_replacement_char:nNN { ^^@ } }
+ \char_set_catcode_math_toggle:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_M:w
+ { \__regex_replacement_char:nNN { ^^@ } }
+ \char_set_catcode_other:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_O:w
+ { \__regex_replacement_char:nNN { ^^@ } }
+ \char_set_catcode_parameter:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_P:w
+ {
+ \__regex_replacement_char:nNN
+ { \exp_not:n { \exp_not:n { ^^@^^@^^@^^@ } } }
+ }
+ \cs_new_protected:Npn \__regex_replacement_c_S:w #1#2
+ {
+ \if_int_compare:w `#2 = 0 \exp_stop_f:
+ \__msg_kernel_error:nn { regex } { replacement-null-space }
+ \fi:
+ \tex_lccode:D `\ = `#2 \scan_stop:
+ \tex_lowercase:D { \__tl_build_one:n {~} }
+ }
+ \char_set_catcode_alignment:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_T:w
+ { \__regex_replacement_char:nNN { ^^@ } }
+ \char_set_catcode_math_superscript:N \^^@
+ \cs_new_protected:Npn \__regex_replacement_c_U:w
+ { \__regex_replacement_char:nNN { ^^@ } }
+\group_end:
+\cs_new_protected:Npn \__regex_replacement_error:NNN #1#2#3
+ {
+ \__msg_kernel_error:nnx { regex } { replacement-#1 } {#3}
+ #2 #3
+ }
+\cs_new_protected:Npn \regex_new:N #1
+ { \cs_new_eq:NN #1 \c__regex_no_match_regex }
+\cs_new_protected:Npn \regex_set:Nn #1#2
+ {
+ \__regex_compile:n {#2}
+ \tl_set_eq:NN #1 \l__regex_internal_regex
+ }
+\cs_new_protected:Npn \regex_gset:Nn #1#2
+ {
+ \__regex_compile:n {#2}
+ \tl_gset_eq:NN #1 \l__regex_internal_regex
+ }
+\cs_new_protected:Npn \regex_const:Nn #1#2
+ {
+ \__regex_compile:n {#2}
+ \tl_const:Nx #1 { \exp_not:o \l__regex_internal_regex }
+ }
+\cs_new_protected:Npn \regex_show:n #1
+ {
+ \__regex_compile:n {#1}
+ \__regex_show:Nn \l__regex_internal_regex
+ { { \tl_to_str:n {#1} } }
+ }
+\cs_new_protected:Npn \regex_show:N #1
+ { \__regex_show:Nn #1 { variable~\token_to_str:N #1 } }
+\prg_new_protected_conditional:Npnn \regex_match:nn #1#2 { T , F , TF }
+ {
+ \__regex_if_match:nn { \__regex_build:n {#1} } {#2}
+ \__regex_return:
+ }
+\prg_new_protected_conditional:Npnn \regex_match:Nn #1#2 { T , F , TF }
+ {
+ \__regex_if_match:nn { \__regex_build:N #1 } {#2}
+ \__regex_return:
+ }
+\cs_new_protected:Npn \regex_count:nnN #1
+ { \__regex_count:nnN { \__regex_build:n {#1} } }
+\cs_new_protected:Npn \regex_count:NnN #1
+ { \__regex_count:nnN { \__regex_build:N #1 } }
+\cs_set_protected:Npn \__regex_tmp:w #1#2#3
+ {
+ \cs_new_protected:Npn #2 ##1 { #1 { \__regex_build:n {##1} } }
+ \cs_new_protected:Npn #3 ##1 { #1 { \__regex_build:N ##1 } }
+ \prg_new_protected_conditional:Npnn #2 ##1##2##3 { T , F , TF }
+ { #1 { \__regex_build:n {##1} } {##2} ##3 \__regex_return: }
+ \prg_new_protected_conditional:Npnn #3 ##1##2##3 { T , F , TF }
+ { #1 { \__regex_build:N ##1 } {##2} ##3 \__regex_return: }
+ }
+\__regex_tmp:w \__regex_extract_once:nnN
+ \regex_extract_once:nnN \regex_extract_once:NnN
+\__regex_tmp:w \__regex_extract_all:nnN
+ \regex_extract_all:nnN \regex_extract_all:NnN
+\__regex_tmp:w \__regex_replace_once:nnN
+ \regex_replace_once:nnN \regex_replace_once:NnN
+\__regex_tmp:w \__regex_replace_all:nnN
+ \regex_replace_all:nnN \regex_replace_all:NnN
+\__regex_tmp:w \__regex_split:nnN \regex_split:nnN \regex_split:NnN
+\int_new:N \l__regex_match_count_int
+\flag_new:n { __regex_begin }
+\flag_new:n { __regex_end }
+\int_new:N \l__regex_min_submatch_int
+\int_new:N \l__regex_submatch_int
+\int_new:N \l__regex_zeroth_submatch_int
+\__intarray_new:Nn \g__regex_submatch_prev_intarray { 65536 }
+\__intarray_new:Nn \g__regex_submatch_begin_intarray { 65536 }
+\__intarray_new:Nn \g__regex_submatch_end_intarray { 65536 }
+\cs_new_protected:Npn \__regex_return:
+ {
+ \if_meaning:w \c_true_bool \g__regex_success_bool
+ \prg_return_true:
+ \else:
+ \prg_return_false:
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_if_match:nn #1#2
+ {
+ \group_begin:
+ \__regex_disable_submatches:
+ \__regex_single_match:
+ #1
+ \__regex_match:n {#2}
+ \group_end:
+ }
+\cs_new_protected:Npn \__regex_count:nnN #1#2#3
+ {
+ \group_begin:
+ \__regex_disable_submatches:
+ \int_zero:N \l__regex_match_count_int
+ \__regex_multi_match:n { \int_incr:N \l__regex_match_count_int }
+ #1
+ \__regex_match:n {#2}
+ \exp_args:NNNo
+ \group_end:
+ \int_set:Nn #3 { \int_use:N \l__regex_match_count_int }
+ }
+\cs_new_protected:Npn \__regex_extract_once:nnN #1#2#3
+ {
+ \group_begin:
+ \__regex_single_match:
+ #1
+ \__regex_match:n {#2}
+ \__regex_extract:
+ \__regex_group_end_extract_seq:N #3
+ }
+\cs_new_protected:Npn \__regex_extract_all:nnN #1#2#3
+ {
+ \group_begin:
+ \__regex_multi_match:n { \__regex_extract: }
+ #1
+ \__regex_match:n {#2}
+ \__regex_group_end_extract_seq:N #3
+ }
+\cs_new_protected:Npn \__regex_split:nnN #1#2#3
+ {
+ \group_begin:
+ \__regex_multi_match:n
+ {
+ \if_int_compare:w \l__regex_start_pos_int < \l__regex_success_pos_int
+ \__regex_extract:
+ \__intarray_gset_fast:Nnn \g__regex_submatch_prev_intarray
+ { \l__regex_zeroth_submatch_int } { 0 }
+ \__intarray_gset_fast:Nnn \g__regex_submatch_end_intarray
+ { \l__regex_zeroth_submatch_int }
+ {
+ \__intarray_item_fast:Nn \g__regex_submatch_begin_intarray
+ { \l__regex_zeroth_submatch_int }
+ }
+ \__intarray_gset_fast:Nnn \g__regex_submatch_begin_intarray
+ { \l__regex_zeroth_submatch_int }
+ { \l__regex_start_pos_int }
+ \fi:
+ }
+ #1
+ \__regex_match:n {#2}
+ \__intarray_gset_fast:Nnn \g__regex_submatch_prev_intarray
+ { \l__regex_submatch_int } { 0 }
+ \__intarray_gset_fast:Nnn \g__regex_submatch_end_intarray
+ { \l__regex_submatch_int }
+ { \l__regex_max_pos_int }
+ \__intarray_gset_fast:Nnn \g__regex_submatch_begin_intarray
+ { \l__regex_submatch_int }
+ { \l__regex_start_pos_int }
+ \int_incr:N \l__regex_submatch_int
+ \if_meaning:w \c_true_bool \l__regex_empty_success_bool
+ \if_int_compare:w \l__regex_start_pos_int = \l__regex_max_pos_int
+ \int_decr:N \l__regex_submatch_int
+ \fi:
+ \fi:
+ \__regex_group_end_extract_seq:N #3
+ }
+\cs_new_protected:Npn \__regex_group_end_extract_seq:N #1
+ {
+ \cs_set_eq:NN \__seq_item:n \scan_stop:
+ \flag_clear:n { __regex_begin }
+ \flag_clear:n { __regex_end }
+ \tl_set:Nx \l__regex_internal_a_tl
+ {
+ \s__seq
+ \int_step_function:nnnN
+ { \l__regex_min_submatch_int }
+ { 1 }
+ { \l__regex_submatch_int - 1 }
+ \__regex_extract_seq_aux:n
+ }
+ \int_compare:nNnF
+ { \flag_height:n { __regex_begin } + \flag_height:n { __regex_end } }
+ = 0
+ {
+ \__msg_kernel_error:nnxxx { regex } { result-unbalanced }
+ { splitting~or~extracting~submatches }
+ { \flag_height:n { __regex_end } }
+ { \flag_height:n { __regex_begin } }
+ }
+ \use:x
+ {
+ \group_end:
+ \tl_set:Nn \exp_not:N #1 { \l__regex_internal_a_tl }
+ }
+ }
+\cs_new:Npn \__regex_extract_seq_aux:n #1
+ {
+ \__seq_item:n
+ {
+ \exp_after:wN \__regex_extract_seq_aux:ww
+ \__int_value:w \__regex_submatch_balance:n {#1} ; #1;
+ }
+ }
+\cs_new:Npn \__regex_extract_seq_aux:ww #1; #2;
+ {
+ \if_int_compare:w #1 < 0 \exp_stop_f:
+ \flag_raise:n { __regex_end }
+ \prg_replicate:nn {-#1} { \exp_not:n { { \if_false: } \fi: } }
+ \fi:
+ \__regex_query_submatch:n {#2}
+ \if_int_compare:w #1 > 0 \exp_stop_f:
+ \flag_raise:n { __regex_begin }
+ \prg_replicate:nn {#1} { \exp_not:n { \if_false: { \fi: } } }
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_extract:
+ {
+ \if_meaning:w \c_true_bool \g__regex_success_bool
+ \int_set_eq:NN \l__regex_zeroth_submatch_int \l__regex_submatch_int
+ \prg_replicate:nn \l__regex_capturing_group_int
+ {
+ \__intarray_gset_fast:Nnn \g__regex_submatch_begin_intarray
+ { \l__regex_submatch_int } { 0 }
+ \__intarray_gset_fast:Nnn \g__regex_submatch_end_intarray
+ { \l__regex_submatch_int } { 0 }
+ \__intarray_gset_fast:Nnn \g__regex_submatch_prev_intarray
+ { \l__regex_submatch_int } { 0 }
+ \int_incr:N \l__regex_submatch_int
+ }
+ \prop_map_inline:Nn \l__regex_success_submatches_prop
+ {
+ \if_int_compare:w ##1 - 1 \exp_stop_f:
+ \exp_after:wN \__regex_extract_e:wn \__int_value:w
+ \else:
+ \exp_after:wN \__regex_extract_b:wn \__int_value:w
+ \fi:
+ \__int_eval:w \l__regex_zeroth_submatch_int + ##1 {##2}
+ }
+ \__intarray_gset_fast:Nnn \g__regex_submatch_prev_intarray
+ { \l__regex_zeroth_submatch_int } { \l__regex_start_pos_int }
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_extract_b:wn #1 < #2
+ { \__intarray_gset_fast:Nnn \g__regex_submatch_begin_intarray {#1} {#2} }
+\cs_new_protected:Npn \__regex_extract_e:wn #1 > #2
+ { \__intarray_gset_fast:Nnn \g__regex_submatch_end_intarray {#1} {#2} }
+\cs_new_protected:Npn \__regex_replace_once:nnN #1#2#3
+ {
+ \group_begin:
+ \__regex_single_match:
+ #1
+ \__regex_replacement:n {#2}
+ \exp_args:No \__regex_match:n { #3 }
+ \if_meaning:w \c_false_bool \g__regex_success_bool
+ \group_end:
+ \else:
+ \__regex_extract:
+ \int_set:Nn \l__regex_balance_int
+ {
+ \__regex_replacement_balance_one_match:n
+ { \l__regex_zeroth_submatch_int }
+ }
+ \tl_set:Nx \l__regex_internal_a_tl
+ {
+ \__regex_replacement_do_one_match:n { \l__regex_zeroth_submatch_int }
+ \__regex_query_range:nn
+ {
+ \__intarray_item_fast:Nn \g__regex_submatch_end_intarray
+ { \l__regex_zeroth_submatch_int }
+ }
+ { \l__regex_max_pos_int }
+ }
+ \__regex_group_end_replace:N #3
+ \fi:
+ }
+\cs_new_protected:Npn \__regex_replace_all:nnN #1#2#3
+ {
+ \group_begin:
+ \__regex_multi_match:n { \__regex_extract: }
+ #1
+ \__regex_replacement:n {#2}
+ \exp_args:No \__regex_match:n {#3}
+ \int_set:Nn \l__regex_balance_int
+ {
+ 0
+ \int_step_function:nnnN
+ { \l__regex_min_submatch_int }
+ \l__regex_capturing_group_int
+ { \l__regex_submatch_int - 1 }
+ \__regex_replacement_balance_one_match:n
+ }
+ \tl_set:Nx \l__regex_internal_a_tl
+ {
+ \int_step_function:nnnN
+ { \l__regex_min_submatch_int }
+ \l__regex_capturing_group_int
+ { \l__regex_submatch_int - 1 }
+ \__regex_replacement_do_one_match:n
+ \__regex_query_range:nn
+ \l__regex_start_pos_int \l__regex_max_pos_int
+ }
+ \__regex_group_end_replace:N #3
+ }
+\cs_new_protected:Npn \__regex_group_end_replace:N #1
+ {
+ \if_int_compare:w \l__regex_balance_int = 0 \exp_stop_f:
+ \else:
+ \__msg_kernel_error:nnxxx { regex } { result-unbalanced }
+ { replacing }
+ { \int_max:nn { - \l__regex_balance_int } { 0 } }
+ { \int_max:nn { \l__regex_balance_int } { 0 } }
+ \fi:
+ \use:x
+ {
+ \group_end:
+ \tl_set:Nn \exp_not:N #1
+ {
+ \if_int_compare:w \l__regex_balance_int < 0 \exp_stop_f:
+ \prg_replicate:nn { - \l__regex_balance_int }
+ { { \if_false: } \fi: }
+ \fi:
+ \l__regex_internal_a_tl
+ \if_int_compare:w \l__regex_balance_int > 0 \exp_stop_f:
+ \prg_replicate:nn { \l__regex_balance_int }
+ { \if_false: { \fi: } }
+ \fi:
+ }
+ }
+ }
+\__msg_kernel_new:nnnn { regex } { trailing-backslash }
+ { Trailing~escape~character~'\iow_char:N\\'. }
+ {
+ A~regular~expression~or~its~replacement~text~ends~with~
+ the~escape~character~'\iow_char:N\\'.~It~will~be~ignored.
+ }
+\__msg_kernel_new:nnnn { regex } { x-missing-rbrace }
+ { Missing~closing~brace~in~'\iow_char:N\\x'~hexadecimal~sequence. }
+ {
+ You~wrote~something~like~
+ '\iow_char:N\\x\{...#1'.~
+ The~closing~brace~is~missing.
+ }
+\__msg_kernel_new:nnnn { regex } { x-overflow }
+ { Character~code~'#1'~too~large~in~'\iow_char:N\\x'~hexadecimal~sequence. }
+ {
+ You~wrote~something~like~
+ '\iow_char:N\\x\{\int_to_Hex:n{#1}\}'.~
+ The~character~code~#1~is~larger~than~
+ the~maximum~value~\int_use:N \c_max_char_int.
+ }
+\__msg_kernel_new:nnnn { regex } { invalid-quantifier }
+ { Braced~quantifier~'#1'~may~not~be~followed~by~'#2'. }
+ {
+ The~character~'#2'~is~invalid~in~the~braced~quantifier~'#1'.~
+ The~only~valid~quantifiers~are~'*',~'?',~'+',~'{<int>}',~
+ '{<min>,}'~and~'{<min>,<max>}',~optionally~followed~by~'?'.
+ }
+\__msg_kernel_new:nnnn { regex } { missing-rbrack }
+ { Missing~right~bracket~inserted~in~regular~expression. }
+ {
+ LaTeX~was~given~a~regular~expression~where~a~character~class~
+ was~started~with~'[',~but~the~matching~']'~is~missing.
+ }
+\__msg_kernel_new:nnnn { regex } { missing-rparen }
+ {
+ Missing~right~
+ \int_compare:nTF { #1 = 1 } { parenthesis } { parentheses } ~
+ inserted~in~regular~expression.
+ }
+ {
+ LaTeX~was~given~a~regular~expression~with~\int_eval:n {#1} ~
+ more~left~parentheses~than~right~parentheses.
+ }
+\__msg_kernel_new:nnnn { regex } { extra-rparen }
+ { Extra~right~parenthesis~ignored~in~regular~expression. }
+ {
+ LaTeX~came~across~a~closing~parenthesis~when~no~submatch~group~
+ was~open.~The~parenthesis~will~be~ignored.
+ }
+\__msg_kernel_new:nnnn { regex } { bad-escape }
+ {
+ Invalid~escape~'\iow_char:N\\#1'~
+ \__regex_if_in_cs:TF { within~a~control~sequence. }
+ {
+ \__regex_if_in_class:TF
+ { in~a~character~class. }
+ { following~a~category~test. }
+ }
+ }
+ {
+ The~escape~sequence~'\iow_char:N\\#1'~may~not~appear~
+ \__regex_if_in_cs:TF
+ {
+ within~a~control~sequence~test~introduced~by~
+ '\iow_char:N\\c\iow_char:N\{'.
+ }
+ {
+ \__regex_if_in_class:TF
+ { within~a~character~class~ }
+ { following~a~category~test~such~as~'\iow_char:N\\cL'~ }
+ because~it~does~not~match~exactly~one~character.
+ }
+ }
+\__msg_kernel_new:nnnn { regex } { range-missing-end }
+ { Invalid~end-point~for~range~'#1-#2'~in~character~class. }
+ {
+ The~end-point~'#2'~of~the~range~'#1-#2'~may~not~serve~as~an~
+ end-point~for~a~range:~alphanumeric~characters~should~not~be~
+ escaped,~and~non-alphanumeric~characters~should~be~escaped.
+ }
+\__msg_kernel_new:nnnn { regex } { range-backwards }
+ { Range~'[#1-#2]'~out~of~order~in~character~class. }
+ {
+ In~ranges~of~characters~'[x-y]'~appearing~in~character~classes,~
+ the~first~character~code~must~not~be~larger~than~the~second.~
+ Here,~'#1'~has~character~code~\int_eval:n {`#1},~while~
+ '#2'~has~character~code~\int_eval:n {`#2}.
+ }
+\__msg_kernel_new:nnnn { regex } { c-bad-mode }
+ { Invalid~nested~'\iow_char:N\\c'~escape~in~regular~expression. }
+ {
+ The~'\iow_char:N\\c'~escape~cannot~be~used~within~
+ a~control~sequence~test~'\iow_char:N\\c{...}'.~
+ To~combine~several~category~tests,~use~'\iow_char:N\\c[...]'.
+ }
+\__msg_kernel_new:nnnn { regex } { c-missing-rbrace }
+ { Missing~right~brace~inserted~for~'\iow_char:N\\c'~escape. }
+ {
+ LaTeX~was~given~a~regular~expression~where~a~
+ '\iow_char:N\\c\iow_char:N\{...'~construction~was~not~ended~
+ with~a~closing~brace~'\iow_char:N\}'.
+ }
+\__msg_kernel_new:nnnn { regex } { c-missing-rbrack }
+ { Missing~right~bracket~inserted~for~'\iow_char:N\\c'~escape. }
+ {
+ A~construction~'\iow_char:N\\c[...'~appears~in~a~
+ regular~expression,~but~the~closing~']'~is~not~present.
+ }
+\__msg_kernel_new:nnnn { regex } { c-missing-category }
+ { Invalid~character~'#1'~following~'\iow_char:N\\c'~escape. }
+ {
+ In~regular~expressions,~the~'\iow_char:N\\c'~escape~sequence~
+ may~only~be~followed~by~a~left~brace,~a~left~bracket,~or~a~
+ capital~letter~representing~a~character~category,~namely~
+ one~of~'ABCDELMOPSTU'.
+ }
+\__msg_kernel_new:nnnn { regex } { c-trailing }
+ { Trailing~category~code~escape~'\iow_char:N\\c'... }
+ {
+ A~regular~expression~ends~with~'\iow_char:N\\c'~followed~
+ by~a~letter.~It~will~be~ignored.
+ }
+\__msg_kernel_new:nnnn { regex } { u-missing-lbrace }
+ { Missing~left~brace~following~'\iow_char:N\\u'~escape. }
+ {
+ The~'\iow_char:N\\u'~escape~sequence~must~be~followed~by~
+ a~brace~group~with~the~name~of~the~variable~to~use.
+ }
+\__msg_kernel_new:nnnn { regex } { u-missing-rbrace }
+ { Missing~right~brace~inserted~for~'\iow_char:N\\u'~escape. }
+ {
+ LaTeX~
+ \str_if_eq_x:nnTF { } {#2}
+ { reached~the~end~of~the~string~ }
+ { encountered~an~escaped~alphanumeric~character '\iow_char:N\\#2'~ }
+ when~parsing~the~argument~of~an~'\iow_char:N\\u\iow_char:N\{...\}'~escape.
+ }
+\__msg_kernel_new:nnnn { regex } { posix-unsupported }
+ { POSIX~collating~element~'[#1 ~ #1]'~not~supported. }
+ {
+ The~'[.foo.]'~and~'[=bar=]'~syntaxes~have~a~special~meaning~
+ in~POSIX~regular~expressions.~This~is~not~supported~by~LaTeX.~
+ Maybe~you~forgot~to~escape~a~left~bracket~in~a~character~class?
+ }
+\__msg_kernel_new:nnnn { regex } { posix-unknown }
+ { POSIX~class~'[:#1:]'~unknown. }
+ {
+ '[:#1:]'~is~not~among~the~known~POSIX~classes~
+ '[:alnum:]',~'[:alpha:]',~'[:ascii:]',~'[:blank:]',~
+ '[:cntrl:]',~'[:digit:]',~'[:graph:]',~'[:lower:]',~
+ '[:print:]',~'[:punct:]',~'[:space:]',~'[:upper:]',~
+ '[:word:]',~and~'[:xdigit:]'.
+ }
+\__msg_kernel_new:nnnn { regex } { posix-missing-close }
+ { Missing~closing~':]'~for~POSIX~class. }
+ { The~POSIX~syntax~'#1'~must~be~followed~by~':]',~not~'#2'. }
+\__msg_kernel_new:nnnn { regex } { result-unbalanced }
+ { Missing~brace~inserted~when~#1. }
+ {
+ LaTeX~was~asked~to~do~some~regular~expression~operation,~
+ and~the~resulting~token~list~would~not~have~the~same~number~
+ of~begin-group~and~end-group~tokens.~Braces~were~inserted:~
+ #2~left,~#3~right.
+ }
+\__msg_kernel_new:nnnn { regex } { unknown-option }
+ { Unknown~option~'#1'~for~regular~expressions. }
+ {
+ The~only~available~option~is~'case-insensitive',~toggled~by~
+ '(?i)'~and~'(?-i)'.
+ }
+\__msg_kernel_new:nnnn { regex } { special-group-unknown }
+ { Unknown~special~group~'#1~...'~in~a~regular~expression. }
+ {
+ The~only~valid~constructions~starting~with~'(?'~are~
+ '(?:~...~)',~'(?|~...~)',~'(?i)',~and~'(?-i)'.
+ }
+\__msg_kernel_new:nnnn { regex } { replacement-c }
+ { Misused~'\iow_char:N\\c'~command~in~a~replacement~text. }
+ {
+ In~a~replacement~text,~the~'\iow_char:N\\c'~escape~sequence~
+ can~be~followed~by~one~of~the~letters~'ABCDELMOPSTU'~
+ or~a~brace~group,~not~by~'#1'.
+ }
+\__msg_kernel_new:nnnn { regex } { replacement-u }
+ { Misused~'\iow_char:N\\u'~command~in~a~replacement~text. }
+ {
+ In~a~replacement~text,~the~'\iow_char:N\\u'~escape~sequence~
+ must~be~~followed~by~a~brace~group~holding~the~name~of~the~
+ variable~to~use.
+ }
+\__msg_kernel_new:nnnn { regex } { replacement-g }
+ {
+ Missing~brace~for~the~'\iow_char:N\\g'~construction~
+ in~a~replacement~text.
+ }
+ {
+ In~the~replacement~text~for~a~regular~expression~search,~
+ submatches~are~represented~either~as~'\iow_char:N \\g{dd..d}',~
+ or~'\\d',~where~'d'~are~single~digits.~Here,~a~brace~is~missing.
+ }
+\__msg_kernel_new:nnnn { regex } { replacement-catcode-end }
+ {
+ Missing~character~for~the~'\iow_char:N\\c<category><character>'~
+ construction~in~a~replacement~text.
+ }
+ {
+ In~a~replacement~text,~the~'\iow_char:N\\c'~escape~sequence~
+ can~be~followed~by~one~of~the~letters~'ABCDELMOPSTU'~representing~
+ the~character~category.~Then,~a~character~must~follow.~LaTeX~
+ reached~the~end~of~the~replacement~when~looking~for~that.
+ }
+\__msg_kernel_new:nnnn { regex } { replacement-catcode-in-cs }
+ {
+ Category~code~'\iow_char:N\\c#1#3'~ignored~inside~
+ '\iow_char:N\\c\{...\}'~in~a~replacement~text.
+ }
+ {
+ In~a~replacement~text,~the~category~codes~of~the~argument~of~
+ '\iow_char:N\\c\{...\}'~are~ignored~when~building~the~control~
+ sequence~name.
+ }
+\__msg_kernel_new:nnnn { regex } { replacement-null-space }
+ { TeX~cannot~build~a~space~token~with~character~code~0. }
+ {
+ You~asked~for~a~character~token~with~category~space,~
+ and~character~code~0,~for~instance~through~
+ '\iow_char:N\\cS\iow_char:N\\x00'.~
+ This~specific~case~is~impossible~and~will~be~replaced~
+ by~a~normal~space.
+ }
+\__msg_kernel_new:nnnn { regex } { replacement-missing-rbrace }
+ { Missing~right~brace~inserted~in~replacement~text. }
+ {
+ There~ \int_compare:nTF { #1 = 1 } { was } { were } ~ #1~
+ missing~right~\int_compare:nTF { #1 = 1 } { brace } { braces } .
+ }
+\__msg_kernel_new:nnnn { regex } { replacement-missing-rparen }
+ { Missing~right~parenthesis~inserted~in~replacement~text. }
+ {
+ There~ \int_compare:nTF { #1 = 1 } { was } { were } ~ #1~
+ missing~right~\int_compare:nTF { #1 = 1 } { parenthesis } { parentheses } .
+ }
+\cs_new:Npn \__regex_msg_repeated:nnN #1#2#3
+ {
+ \str_if_eq_x:nnF { #1 #2 } { 1 0 }
+ {
+ , ~ repeated ~
+ \int_case:nnF {#2}
+ {
+ { -1 } { #1~or~more~times,~\bool_if:NTF #3 { lazy } { greedy } }
+ { 0 } { #1~times }
+ }
+ {
+ between~#1~and~\int_eval:n {#1+#2}~times,~
+ \bool_if:NTF #3 { lazy } { greedy }
+ }
+ }
+ }
%% File: l3box.dtx Copyright (C) 2005-2017 The LaTeX3 Project
\cs_new_protected:Npn \box_new:N #1
{
@@ -18069,37 +21658,6 @@
\__file_input:V \l__file_internal_name_tl
}
}
-\cs_new:Npn \ior_map_break:
- { \__prg_map_break:Nn \ior_map_break: { } }
-\cs_new:Npn \ior_map_break:n
- { \__prg_map_break:Nn \ior_map_break: }
-\cs_new_protected:Npn \ior_map_inline:Nn
- { \__ior_map_inline:NNn \ior_get:NN }
-\cs_new_protected:Npn \ior_str_map_inline:Nn
- { \__ior_map_inline:NNn \ior_str_get:NN }
-\cs_new_protected:Npn \__ior_map_inline:NNn
- {
- \int_gincr:N \g__prg_map_int
- \exp_args:Nc \__ior_map_inline:NNNn
- { __prg_map_ \int_use:N \g__prg_map_int :n }
- }
-\cs_new_protected:Npn \__ior_map_inline:NNNn #1#2#3#4
- {
- \cs_gset_protected:Npn #1 ##1 {#4}
- \ior_if_eof:NF #3 { \__ior_map_inline_loop:NNN #1#2#3 }
- \__prg_break_point:Nn \ior_map_break:
- { \int_gdecr:N \g__prg_map_int }
- }
-\cs_new_protected:Npn \__ior_map_inline_loop:NNN #1#2#3
- {
- #2 #3 \l__ior_internal_tl
- \ior_if_eof:NF #3
- {
- \exp_args:No #1 \l__ior_internal_tl
- \__ior_map_inline_loop:NNN #1#2#3
- }
- }
-\tl_new:N \l__ior_internal_tl
\cs_new_protected:Npn \ior_log_streams:
{ \__msg_log_next: \ior_list_streams: }
\cs_new_protected:Npn \iow_log_streams:
@@ -18305,6 +21863,83 @@
\cs_new:Npn \sys_rand_seed: { \tex_the:D \pdftex_randomseed:D }
\cs_new_protected:Npn \sys_gset_rand_seed:n #1
{ \pdftex_setrandomseed:D \__int_eval:w #1 \__int_eval_end: }
+\int_const:Nn \c_sys_shell_escape_int
+ {
+ \sys_if_engine_luatex:TF
+ {
+ \luatex_directlua:D
+ {
+ tex.sprint((status.shell_escape~or~os.execute()) .. " ")
+ }
+ }
+ {
+ \pdftex_shellescape:D
+ }
+ }
+\prg_new_conditional:Nnn \sys_if_shell: { p , T , F , TF }
+ {
+ \if_int_compare:w \c_sys_shell_escape_int = 0 ~
+ \prg_return_false:
+ \else:
+ \prg_return_true:
+ \fi:
+ }
+\prg_new_conditional:Nnn \sys_if_shell_unrestricted: { p , T , F , TF }
+ {
+ \if_int_compare:w \c_sys_shell_escape_int = 1 ~
+ \prg_return_true:
+ \else:
+ \prg_return_false:
+ \fi:
+ }
+\prg_new_conditional:Nnn \sys_if_shell_restricted: { p , T , F , TF }
+ {
+ \if_int_compare:w \c_sys_shell_escape_int = 2 ~
+ \prg_return_true:
+ \else:
+ \prg_return_false:
+ \fi:
+ }
+\sys_if_engine_luatex:F
+ { \int_const:Nn \c__sys_shell_stream_int { 18 } }
+\sys_if_engine_luatex:TF
+ {
+ \cs_new_protected:Npn \sys_shell_now:n #1
+ {
+ \luatex_directlua:D
+ {
+ os.execute("
+ \luatex_luaescapestring:D { \etex_detokenize:D {#1} }
+ ")
+ }
+ }
+ }
+ {
+ \cs_new_protected:Npn \sys_shell_now:n #1
+ {
+ \iow_now:Nn \c__sys_shell_stream_int { #1 }
+ }
+ }
+\cs_generate_variant:Nn \sys_shell_now:n { x }
+\sys_if_engine_luatex:TF
+ {
+ \cs_new_protected:Npn \sys_shell_shipout:n #1
+ {
+ \luatex_latelua:D
+ {
+ os.execute("
+ \luatex_luaescapestring:D { \etex_detokenize:D {#1} }
+ ")
+ }
+ }
+ }
+ {
+ \cs_new_protected:Npn \sys_shell_shipout:n #1
+ {
+ \iow_shipout:Nn \c__sys_shell_stream_int { #1 }
+ }
+ }
+\cs_generate_variant:Nn \sys_shell_shipout:n { x }
\prg_new_conditional:Npnn \tl_if_single_token:n #1 { p , T , F , TF }
{
\tl_if_head_is_N_type:nTF {#1}
@@ -19502,7 +23137,7 @@
}
}
\clist_map_inline:nn
- { \lua_shipout_x :n , \lua_shipout:n }
+ { \lua_shipout_x:n , \lua_shipout:n }
{
\cs_set_protected:Npn #1 ##1
{