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Documented LLmessage(-1).

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This commit is contained in:
ceriel 1986-12-10 15:26:10 +00:00
parent cb6b68a05f
commit 9ddde1cf40
1 changed files with 4 additions and 4 deletions
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8
doc/LLgen/LLgen.n
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@ -10,7 +10,6 @@
\}\ \}\
\} \}
.cs 5 22u .cs 5 22u
.RP
.ND .ND
.EQ .EQ
delim @@ delim @@
@ -631,13 +630,14 @@ C-program. It should eventually call one of the startsymbol
routines. routines.
.PP .PP
The routine \fILLmessage\fR must accept one The routine \fILLmessage\fR must accept one
parameter, whose value is a token number, zero or negative. parameter, whose value is a token number, zero or -1.
.br .br
A zero parameter indicates that the current token (the one in A zero parameter indicates that the current token (the one in
the external variable \fILLsymb\fR) is deleted. the external variable \fILLsymb\fR) is deleted.
.br .br
A negative parameter indicates that a stack overflow occurred. A -1 parameter indicates that the parser expected end of file, but did'nt get
This usually is a fatal error. it.
The parser will then skip tokens until end of file is detected.
.br .br
A parameter that is a token number (a positive parameter) A parameter that is a token number (a positive parameter)
indicates that this indicates that this