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authorAndreas Scherer <andreas_tex@freenet.de>2021-11-24 14:38:46 +0000
committerAndreas Scherer <andreas_tex@freenet.de>2021-11-24 14:38:46 +0000
commit52a703669fab0dfbd9d786b7a92d8601ac135057 (patch)
tree47ade5c9d5f7e4d14ffa3d8d2d548ee267c48a01 /Build/source/texk/web2c/cwebdir
parent058c3d2df802929849b12cd0951ac5d1fa51ba90 (diff)
[CWEB] Reshuffle code in CWEAVE.
The 'mathness' stuff can be factored out from the 'big_app' stuff. git-svn-id: svn://tug.org/texlive/trunk@61138 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/cwebdir')
-rw-r--r--Build/source/texk/web2c/cwebdir/ChangeLog5
-rw-r--r--Build/source/texk/web2c/cwebdir/ctwill-mini.ch7
-rw-r--r--Build/source/texk/web2c/cwebdir/cweave.w33
3 files changed, 24 insertions, 21 deletions
diff --git a/Build/source/texk/web2c/cwebdir/ChangeLog b/Build/source/texk/web2c/cwebdir/ChangeLog
index a47e9869d92..01b038a5861 100644
--- a/Build/source/texk/web2c/cwebdir/ChangeLog
+++ b/Build/source/texk/web2c/cwebdir/ChangeLog
@@ -1,3 +1,8 @@
+2021-11-24 Andreas Scherer <https://ascherer.github.io>
+
+ * ctwill-mini.ch,
+ * cweave.w: Reshuffle code in CWEAVE.
+
2021-11-22 Andreas Scherer <https://ascherer.github.io>
* Makefile,
diff --git a/Build/source/texk/web2c/cwebdir/ctwill-mini.ch b/Build/source/texk/web2c/cwebdir/ctwill-mini.ch
index fd9f27d0bb0..246015bbd3a 100644
--- a/Build/source/texk/web2c/cwebdir/ctwill-mini.ch
+++ b/Build/source/texk/web2c/cwebdir/ctwill-mini.ch
@@ -1018,12 +1018,9 @@ followed by `|reduce(pp,3,exp,-2,3)|'.
Section 133.
@x
-The code below is an exact translation of the production rules into
+@ The |mathness| is an attribute of scraps that says whether they are
@y
-@ The code below is an exact translation of the production rules into
-@-a@>
-@-c@>
-@-p@>
+@r @ The |mathness| is an attribute of scraps that says whether they are
@z
Section 136--137.
diff --git a/Build/source/texk/web2c/cwebdir/cweave.w b/Build/source/texk/web2c/cwebdir/cweave.w
index b98078fc95f..0a780b18c4e 100644
--- a/Build/source/texk/web2c/cwebdir/cweave.w
+++ b/Build/source/texk/web2c/cwebdir/cweave.w
@@ -2316,7 +2316,18 @@ checks whether there can be a conflict between math and non-math
tokens, and intercalates a `\.{\$}' token if necessary. When in
doubt what to use, use |big_app|.
-The |mathness| is an attribute of scraps that says whether they are
+@d app(a) *(tok_ptr++)=(token)(a)
+@d big_app2(a) big_app1(a);@+big_app1(a+1)
+@d big_app3(a) big_app2(a);@+big_app1(a+2)
+@d big_app4(a) big_app3(a);@+big_app1(a+3)
+@d big_app1_insert(p,c) big_app1(p);@+big_app(c);@+big_app1(p+1)
+
+@<Predecl...@>=
+static void app_str(const char *);@/
+static void big_app(token);@/
+static void big_app1(scrap_pointer);
+
+@ The |mathness| is an attribute of scraps that says whether they are
to be printed in a math mode context or not. It is separate from the
``part of speech'' (the |cat|) because to make each |cat| have
a fixed |mathness| (as in the original \.{WEAVE}) would multiply the
@@ -2333,29 +2344,19 @@ irreducible scrap has a |yes_math| boundary the scrap gets preceded
or followed by a~\.{\$}. The left boundary is |maybe_math| if and
only if the right boundary is.
-The code below is an exact translation of the production rules into
-\CEE/, using such macros, and the reader should have no difficulty
-understanding the format by comparing the code with the symbolic
-productions as they were listed earlier.
-
@d no_math 2 /* should be in horizontal mode */
@d yes_math 1 /* should be in math mode */
@d maybe_math 0 /* works in either horizontal or math mode */
-@d big_app2(a) big_app1(a);@+big_app1(a+1)
-@d big_app3(a) big_app2(a);@+big_app1(a+2)
-@d big_app4(a) big_app3(a);@+big_app1(a+3)
-@d big_app1_insert(p,c) big_app1(p);@+big_app(c);@+big_app1(p+1)
-@d app(a) *(tok_ptr++)=(token)(a)
@<Private...@>=
static int cur_mathness, init_mathness;
-@ @<Predecl...@>=
-static void app_str(const char *);@/
-static void big_app(token);@/
-static void big_app1(scrap_pointer);
+@ The code below is an exact translation of the production rules into
+\CEE/, using such macros, and the reader should have no difficulty
+understanding the format by comparing the code with the symbolic
+productions as they were listed earlier.
-@ @c
+@c
static void
app_str(
const char *s)