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authorKarl Berry <karl@freefriends.org>2007-05-22 17:46:23 +0000
committerKarl Berry <karl@freefriends.org>2007-05-22 17:46:23 +0000
commitf4eb27d3314d15838f674a3872000159d029f88b (patch)
tree6e9ab33c5a2d702912b4a969ade4e4e2ac586d62 /Master/texmf-dist/tex/latex/expl3/l3token.sty
parent14af3f447439750920f754792b89f113d019076a (diff)
update expl3
git-svn-id: svn://tug.org/texlive/trunk@4335 c570f23f-e606-0410-a88d-b1316a301751
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+%%
+%% This is file `l3token.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% l3token.dtx (with options: `package')
+%%
+%%
+%% EXPERIMENTAL CODE
+%%
+%% Do not distribute this file without also distributing the
+%% source files specified above.
+%%
+%% Do not distribute a modified version of this file.
+%%
+%%
+%% File: l3token.dtx Copyright (C) 2005-2006 LaTeX3 project
+%%
+%% It may be distributed and/or modified under the conditions of the
+%% LaTeX Project Public License (LPPL), either version 1.3c of this
+%% license or (at your option) any later version. The latest version
+%% of this license is in the file
+%%
+%% http://www.latex-project.org/lppl.txt
+%%
+%% This file is part of the ``expl3 bundle'' (The Work in LPPL)
+%% and all files in that bundle must be distributed together.
+%%
+%% The released version of this bundle is available from CTAN.
+%%
+%% -----------------------------------------------------------------------
+%%
+%% The development version of the bundle can be found at
+%%
+%% http://www.latex-project.org/cgi-bin/cvsweb.cgi/
+%%
+%% for those people who are interested.
+%%
+%%%%%%%%%%%
+%% NOTE: %%
+%%%%%%%%%%%
+%%
+%% Snapshots taken from the repository represent work in progress and may
+%% not work or may contain conflicting material! We therefore ask
+%% people _not_ to put them into distributions, archives, etc. without
+%% prior consultation with the LaTeX Project Team.
+%%
+%% -----------------------------------------------------------------------
+\RequirePackage{l3names}
+\GetIdInfo$Id: l3token.dtx 578 2006-11-21 18:13:24Z morten $
+ {L3 Experimental token investigation and manipulation}
+\RequirePackage{l3prg}
+\RequirePackage{l3int}
+\let_new:NN \char_set_catcode:w \tex_catcode:D
+\def_new:Npn \char_set_catcode:nn #1#2{
+ \char_set_catcode:w #1 = \int_eval:n{#2}
+}
+\def_new:Npn \char_value_catcode:w {\int_use:N\tex_catcode:D}
+\def_new:Npn \char_value_catcode:n #1{\char_value_catcode:w \int_eval:n{#1}}
+\def_new:Npn \char_show_value_catcode:w {\tex_showthe:D\tex_catcode:D}
+\def_new:Npn \char_show_value_catcode:n #1{
+ \char_show_value_catcode:w \int_eval:n{#1}}
+\let_new:NN \char_set_lccode:w \tex_lccode:D
+\def_new:Npn \char_set_lccode:nn #1#2{
+ \char_set_lccode:w #1 = \int_eval:n{#2}
+}
+\def_new:Npn \char_value_lccode:w {\int_use:N\tex_lccode:D}
+\def_new:Npn \char_value_lccode:n #1{\char_value_lccode:w \int_eval:n{#1}}
+\def_new:Npn \char_show_value_lccode:w {\tex_showthe:D\tex_lccode:D}
+\def_new:Npn \char_show_value_lccode:n #1{
+ \char_show_value_lccode:w \int_eval:n{#1}}
+\let_new:NN \char_set_uccode:w \tex_uccode:D
+\def_new:Npn \char_set_uccode:nn #1#2{
+ \char_set_uccode:w #1 = \int_eval:n{#2}
+}
+\def_new:Npn \char_value_uccode:w {\int_use:N\tex_uccode:D}
+\def_new:Npn \char_value_uccode:n #1{\char_value_uccode:w \int_eval:n{#1}}
+\def_new:Npn \char_show_value_uccode:w {\tex_showthe:D\tex_uccode:D}
+\def_new:Npn \char_show_value_uccode:n #1{
+ \char_show_value_uccode:w \int_eval:n{#1}}
+\let_new:NN \char_set_sfcode:w \tex_sfcode:D
+\def_new:Npn \char_set_sfcode:nn #1#2{
+ \char_set_sfcode:w #1 = \int_eval:n{#2}
+}
+\def_new:Npn \char_value_sfcode:w {\int_use:N\tex_uccode:D}
+\def_new:Npn \char_value_sfcode:n #1{\char_value_sfcode:w \int_eval:n{#1}}
+\def_new:Npn \char_show_value_sfcode:w {\tex_showthe:D\tex_sfcode:D}
+\def_new:Npn \char_show_value_sfcode:n #1{
+ \char_show_value_sfcode:w \int_eval:n{#1}}
+\def_new:Npn \token_new:Nn #1#2{\glet_new:NN #1#2}
+\let_new:NN \c_group_begin_token {
+\let_new:NN \c_group_end_token }
+\group_begin:
+\char_set_catcode:nn{`\*}{3}
+\token_new:Nn \c_math_shift_token {*}
+\char_set_catcode:nn{`\*}{4}
+\token_new:Nn \c_alignment_tab_token {*}
+\token_new:Nn \c_parameter_token {#}
+\token_new:Nn \c_math_superscript_token {^}
+\char_set_catcode:nn{`\*}{8}
+\token_new:Nn \c_math_subscript_token {*}
+\token_new:Nn \c_space_token {~}
+\token_new:Nn \c_letter_token {a}
+\token_new:Nn \c_other_char_token {1}
+\char_set_catcode:nn{`\*}{13}
+\token_new:Nn \c_active_char_token {*}
+\group_end:
+\def_new:Npn \token_if_group_begin_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_group_begin_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_group_begin:N} #1{
+ \if:w\token_if_group_begin_p:N #1}
+\def_new:Npn \token_if_group_end_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_group_end_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_group_end:N} #1{
+ \if:w\token_if_group_end_p:N #1}
+\def_new:Npn \token_if_math_shift_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_math_shift_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_math_shift:N} #1{
+ \if:w\token_if_math_shift_p:N#1}
+\def_new:Npn \token_if_alignment_tab_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_alignment_tab_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_alignment_tab:N} #1{
+ \if:w\token_if_alignment_tab_p:N#1}
+\def_new:Npn \token_if_parameter_p:N #1{
+ \exp_after:NN\if_catcode:w \cs:w c_parameter_token\cs_end:\exp_not:N #1
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_parameter:N} #1{
+ \if:w\token_if_parameter_p:N#1}
+\def_new:Npn \token_if_math_superscript_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_math_superscript_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_math_superscript:N} #1{
+ \if:w\token_if_math_superscript_p:N #1}
+\def_new:Npn \token_if_math_subscript_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_math_subscript_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_math_subscript:N} #1{
+ \if:w\token_if_math_subscript_p:N #1}
+\def_new:Npn \token_if_space_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_space_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_space:N} #1{
+ \if:w\token_if_space_p:N #1}
+\def_new:Npn \token_if_letter_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_letter_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_letter:N} #1{
+ \if:w\token_if_letter_p:N #1}
+\def_new:Npn \token_if_other_char_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_other_char_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_other_char:N} #1{
+ \if:w\token_if_other_char_p:N #1}
+\def_new:Npn \token_if_active_char_p:N #1{
+ \if_catcode:w \exp_not:N #1\c_active_char_token
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_active_char:N} #1{
+ \if:w\token_if_active_char_p:N #1}
+\def_new:Npn \token_if_eq_meaning_p:NN #1#2 {
+ \if_meaning:NN #1 #2
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_eq_meaning:NN}#1#2{
+ \if_meaning:NN #1 #2}
+\def_new:Npn \token_if_eq_catcode_p:NN #1#2 {
+ \if_catcode:w \exp_not:N #1 \exp_not:N #2
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_eq_catcode:NN}#1#2{
+ \if:w\token_if_eq_catcode_p:NN#1#2}
+\def_new:Npn \token_if_charcode_eq_p:NN #1#2 {
+ \if_charcode:w \exp_not:N #1 \exp_not:N #2
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_eq_charcode:NN}#1#2{
+ \if:w\token_if_eq_charcode_p:NN#1#2}
+\def_new:Npn \token_if_macro_p:N #1 {
+ \exp_after:NN \token_if_macro_p_aux:w \token_to_meaning:N #1 -> \q_nil
+}
+\def_new:Npn \token_if_macro_p_aux:w #1 -> #2 \q_nil{
+ \if:w \tlist_if_empty_p:n{#2} \c_false \else: \c_true \fi:
+}
+\def_test_function_new:npn {token_if_macro:N} #1{\if:w\token_if_macro_p:N#1}
+\def_new:Npn \token_if_cs_p:N {\token_if_eq_catcode_p:NN \scan_stop:}
+\def_test_function_new:npn {token_if_cs:N} #1{
+ \if:w \token_if_eq_catcode_p:NN \scan_stop: #1}
+\def_new:Npn \token_if_expandable_p:N #1{
+ \exp_after:NN \if_token_eq:NN \exp_not:N #1 \scan_stop:
+ \c_true
+ \else:
+ \c_false
+ \fi:
+}
+\def_test_function_new:npn {token_if_expandable:N} #1{
+ \if:w\token_if_expandable_p:N#1}
+\group_begin:
+ \char_set_lccode:nn {`\X}{`\n}
+ \char_set_lccode:nn {`\Y}{`\t}
+ \char_set_lccode:nn {`\Z}{`\d}
+ \char_set_lccode:nn {`\?}{`\\}
+ \tlist_map_inline:nn{\X\Y\Z\M\T\C\H\A\R\O\U\S\K\I\P\L\G\P\E}
+ {\char_set_catcode:nn {`#1}{12}}
+\tlist_to_lowercase:n{
+ \group_end:
+\def_new:Npn \token_if_chardef_p:N #1 {
+ \exp_after:NN \token_if_chardef_p_aux:w
+ \token_to_meaning:N #1?CHAR"\q_nil
+}
+\def_new:Npn \token_if_chardef_p_aux:w #1?CHAR"#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+\def_new:Npn \token_if_mathchardef_p:N #1 {
+ \exp_after:NN \token_if_mathchardef_p_aux:w
+ \token_to_meaning:N #1?MAYHCHAR"\q_nil
+}
+\def_new:Npn \token_if_mathchardef_p_aux:w #1?MAYHCHAR"#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+\def:Npn \token_if_int_register_p:N #1{
+ \if_meaning:NN \tex_countdef:D #1
+ \c_false
+ \else:
+ \exp_after:NN \token_if_int_register_p_aux:w
+ \token_to_meaning:N #1?COUXY\q_nil
+ \fi:
+}
+\def_new:Npn \token_if_int_register_p_aux:w #1?COUXY#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+\def:Npn \token_if_skip_register_p:N #1{
+ \if_meaning:NN \tex_skipdef:D #1
+ \c_false
+ \else:
+ \exp_after:NN \token_if_skip_register_p_aux:w
+ \token_to_meaning:N #1?SKIP\q_nil
+ \fi:
+}
+\def_new:Npn \token_if_skip_register_p_aux:w #1?SKIP#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+\def:Npn \token_if_dim_register_p:N #1{
+ \if_meaning:NN \tex_dimendef:D #1
+ \c_false
+ \else:
+ \exp_after:NN \token_if_dim_register_p_aux:w
+ \token_to_meaning:N #1?ZIMEX\q_nil
+ \fi:
+}
+\def_new:Npn \token_if_dim_register_p_aux:w #1?ZIMEX#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+\def:Npn \token_if_toks_register_p:N #1{
+ \if_meaning:NN \tex_toksdef:D #1
+ \c_false
+ \else:
+ \exp_after:NN \token_if_toks_register_p_aux:w
+ \token_to_meaning:N #1?YOKS\q_nil
+ \fi:
+}
+\def_new:Npn \token_if_toks_register_p_aux:w #1?YOKS#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+\def_new:Npn \token_if_protected_macro_p:N #1 {
+ \exp_after:NN \token_if_protected_macro_p_aux:w
+ \token_to_meaning:N #1?PROYECYEZ~MACRO\q_nil
+}
+\def_new:Npn \token_if_protected_macro_p_aux:w #1?PROYECYEZ~MACRO#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+\def_new:Npn \token_if_long_macro_p:N #1 {
+ \exp_after:NN \token_if_long_macro_p_aux:w
+ \token_to_meaning:N #1?LOXG~MACRO\q_nil
+}
+\def_new:Npn \token_if_long_macro_p_aux:w #1?LOXG~MACRO#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+\def_new:Npn \token_if_protected_long_macro_p:N #1 {
+ \exp_after:NN \token_if_protected_long_macro_p_aux:w
+ \token_to_meaning:N #1?PROYECYEZ~?LOXG~MACRO\q_nil
+}
+\def_new:Npn \token_if_protected_long_macro_p_aux:w #1
+ ?PROYECYEZ~?LOXG~MACRO#2\q_nil{
+ \tlist_if_empty_p:n{#1}
+}
+}
+\def_test_function_new:npn {token_if_chardef:N} {\if:w \token_if_chardef_p:N}
+\def_test_function_new:npn {token_if_mathchardef:N} {
+ \if:w \token_if_mathchardef_p:N}
+\def_test_function_new:npn {token_if_long_macro:N} {
+ \if:w \token_if_long_macro_p:N}
+\def_test_function_new:npn {token_if_protected_macro:N} {
+ \if:w \token_if_protected_macro_p:N}
+\def_test_function_new:npn {token_if_protected_long_macro:N} {
+ \if:w \token_if_protected_long_macro_p:N}
+\def_test_function_new:npn {token_if_dim_register:N} {
+ \if:w \token_if_dim_register_p:N}
+\def_test_function_new:npn {token_if_skip_register:N} {
+ \if:w \token_if_skip_register_p:N}
+\def_test_function_new:npn {token_if_int_register:N} {
+ \if:w \token_if_int_register_p:N}
+\def_test_function_new:npn {token_if_toks_register:N} {
+ \if:w \token_if_toks_register_p:N}
+\group_begin:
+\char_set_lccode:nn {`\?}{`\:}
+\char_set_catcode:nn{`\M}{12}
+\char_set_catcode:nn{`\A}{12}
+\char_set_catcode:nn{`\C}{12}
+\char_set_catcode:nn{`\R}{12}
+\char_set_catcode:nn{`\O}{12}
+\tlist_to_lowercase:n{
+ \group_end:
+ \def_new:Npn \token_get_prefix_arg_replacement_aux:w #1MACRO?#2->#3\q_nil#4{
+ #4{#1}{#2}{#3}
+ }
+ \def_new:Npn\token_get_prefix_spec:N #1{
+ \token_if_macro:NTF #1{
+ \exp_after:NN \token_get_prefix_arg_replacement_aux:w
+ \token_to_meaning:N #1\q_nil\use_arg_i:nnn
+ }{\scan_stop:}
+ }
+ \def_new:Npn\token_get_arg_spec:N #1{
+ \token_if_macro:NTF #1{
+ \exp_after:NN \token_get_prefix_arg_replacement_aux:w
+ \token_to_meaning:N #1\q_nil\use_arg_ii:nnn
+ }{\scan_stop:}
+ }
+ \def_new:Npn\token_get_replacement_spec:N #1{
+ \token_if_macro:NTF #1{
+ \exp_after:NN \token_get_prefix_arg_replacement_aux:w
+ \token_to_meaning:N #1\q_nil\use_arg_iii:nnn
+ }{\scan_stop:}
+ }
+}
+\def_new:Npn \token_if_primitive_p:N #1{
+ \if:w \token_if_cs_p:N #1\scan_stop:
+ \if:w \token_if_macro_p:N #1
+ \c_false
+ \else:
+ \token_if_primitive_p_aux:N #1
+ \fi:
+ \else:
+ \if:w \token_if_active_p:N #1
+ \if:w \token_if_macro_p:N #1
+ \c_false
+ \else:
+ \token_if_primitive_p_aux:N #1
+ \fi:
+ \else:
+ \c_false
+ \fi:
+ \fi:
+}
+\def_new:Npn \token_if_primitive_p_aux:N #1{
+ \if:w \token_if_chardef_p:N #1 \c_false
+ \else:
+ \if:w \token_if_mathchardef_p:N #1 \c_false
+ \else:
+ \if:w \token_if_int_register_p:N #1 \c_false
+ \else:
+ \if:w \token_if_skip_register_p:N #1 \c_false
+ \else:
+ \if:w \token_if_dim_register_p:N #1 \c_false
+ \else:
+ \if:w \token_if_toks_register_p:N #1 \c_false
+ \else:
+ \c_true
+ \fi:
+ \fi:
+ \fi:
+ \fi:
+ \fi:
+ \fi:
+}
+\def_test_function_new:npn {token_if_primitive:N} #1{
+ \if:w\token_if_primitive_p:N#1}
+\token_new:Nn \l_peek_token {?}
+\token_new:Nn \g_peek_token {?}
+\token_new:Nn \l_peek_search_token {?}
+\def_new:Npn \peek_after:NN {\tex_futurelet:D \l_peek_token }
+\def_new:Npn \peek_gafter:NN {
+ \pref_global:D \tex_futurelet:D \g_peek_token
+}
+\tlp_new:Nn \l_peek_true_tlp {}
+\tlp_new:Nn \l_peek_false_tlp {}
+\def_new:Npn \peek_tmp:w{}
+\tlp_new:Nn \l_peek_search_tlp{}
+\def_long_new:Npn \peek_token_generic:NNTF #1#2#3#4{
+ \let:NN \l_peek_search_token #2
+ \tlp_set:Nn \l_peek_search_tlp {#2}
+ \tlp_set:Nx \l_peek_true_tlp {\exp_not:n{\group_align_safe_end: #3}}
+ \tlp_set:Nx \l_peek_false_tlp {\exp_not:n{\group_align_safe_end: #4}}
+ \group_align_safe_begin:
+ \peek_after:NN #1
+}
+\def_long_new:Npn \peek_token_remove_generic:NNTF #1#2#3#4{
+ \let:NN \l_peek_search_token #2
+ \tlp_set:Nn \l_peek_search_tlp {#2}
+ \tlp_set:Nx \l_peek_true_aux_tlp { \exp_not:n{ #3 } }
+ \tlp_set_eq:NN \l_peek_true_tlp \c_peek_true_remove_next_tlp
+ \tlp_set:Nx \l_peek_false_tlp {\exp_not:n{\group_align_safe_end: #4}}
+ \group_align_safe_begin:
+ \peek_after:NN #1
+}
+\tlp_new:Nn \l_peek_true_aux_tlp {}
+\tlp_new:Nn \c_peek_true_remove_next_tlp {\group_align_safe_end:
+ \tex_afterassignment:D \l_peek_true_aux_tlp \let:NN \peek_tmp:w
+}
+\def_new:Npn \peek_execute_branches_meaning: {
+ \if_meaning:NN \l_peek_token \l_peek_search_token
+ \exp_after:NN \l_peek_true_tlp
+ \else:
+ \exp_after:NN \l_peek_false_tlp
+ \fi:
+}
+\def_new:Npn \peek_execute_branches_catcode: {
+ \if_catcode:w \exp_not:N\l_peek_token \exp_not:N\l_peek_search_token
+ \exp_after:NN \l_peek_true_tlp
+ \else:
+ \exp_after:NN \l_peek_false_tlp
+ \fi:
+}
+\def_new:Npn \peek_execute_branches_charcode: {
+ \prg_if_predicate:nTF {
+ \prg_if_predicate_or_p:nn
+ {\token_if_eq_catcode_p:NN \l_peek_token \c_group_begin_token}
+ {\token_if_eq_meaning_p:NN \l_peek_token \c_space_token}
+ }
+ { \l_peek_false_tlp }
+ { \exp_after:NN \peek_execute_branches_charcode_aux:NN \l_peek_search_tlp }
+}
+\def_long_new:Npn \peek_execute_branches_charcode_aux:NN #1#2{
+ \if_charcode:w \exp_not:N #1\exp_not:N#2
+ \exp_after:NN \l_peek_true_tlp
+ \else:
+ \exp_after:NN \l_peek_false_tlp
+ \fi:
+ #2
+}
+\def_new:Npn \peek_meaning:NTF {
+ \peek_token_generic:NNTF \peek_execute_branches_meaning:
+}
+\def_new:Npn \peek_meaning_ignore_spaces:NTF {
+ \let:NN \peek_execute_branches: \peek_execute_branches_meaning:
+ \peek_token_generic:NNTF \peek_ignore_spaces_execute_branches:
+}
+\def_new:Npn \peek_meaning_remove:NTF {
+ \peek_token_remove_generic:NNTF \peek_execute_branches_meaning:
+}
+\def_new:Npn \peek_meaning_remove_ignore_spaces:NTF {
+ \let:NN \peek_execute_branches: \peek_execute_branches_meaning:
+ \peek_token_remove_generic:NNTF \peek_ignore_spaces_execute_branches:
+}
+\def_new:Npn \peek_catcode:NTF {
+ \peek_token_generic:NNTF \peek_execute_branches_catcode:
+}
+\def_new:Npn \peek_catcode_ignore_spaces:NTF {
+ \let:NN \peek_execute_branches: \peek_execute_branches_catcode:
+ \peek_token_generic:NNTF \peek_ignore_spaces_execute_branches:
+}
+\def_new:Npn \peek_catcode_remove:NTF {
+ \peek_token_remove_generic:NNTF \peek_execute_branches_catcode:
+}
+\def_new:Npn \peek_catcode_remove_ignore_spaces:NTF {
+ \let:NN \peek_execute_branches: \peek_execute_branches_catcode:
+ \peek_token_remove_generic:NNTF \peek_ignore_spaces_execute_branches:
+}
+\def_new:Npn \peek_charcode:NTF {
+ \peek_token_generic:NNTF \peek_execute_branches_charcode:
+}
+\def_new:Npn \peek_charcode_ignore_spaces:NTF {
+ \let:NN \peek_execute_branches: \peek_execute_branches_charcode:
+ \peek_token_generic:NNTF \peek_ignore_spaces_execute_branches:
+}
+\def_new:Npn \peek_charcode_remove:NTF {
+ \peek_token_remove_generic:NNTF \peek_execute_branches_charcode:
+}
+
+\def_new:Npn \peek_charcode_remove_ignore_spaces:NTF {
+ \let:NN \peek_execute_branches: \peek_execute_branches_charcode:
+ \peek_token_remove_generic:NNTF \peek_ignore_spaces_execute_branches:
+}
+\def_new:Npn \peek_ignore_spaces_aux: {
+ \peek_after:NN \peek_ignore_spaces_execute_branches:
+}
+\def_new:Npn \peek_ignore_spaces_execute_branches: {
+ \token_if_eq_meaning:NNTF \l_peek_token \c_space_token
+ { \tex_afterassignment:D \peek_ignore_spaces_aux:
+ \let:NN \peek_tmp:w
+ }
+ \peek_execute_branches:
+}
+%%
+%%
+%% End of file `l3token.sty'.