diff options
Diffstat (limited to 'Build/source/texk/web2c/cwebdir/cweave.w')
| -rw-r--r-- | Build/source/texk/web2c/cwebdir/cweave.w | 33 |
1 files changed, 17 insertions, 16 deletions
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) |