bison

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Files

Akim Demaille 58e79539fc c: don't emit an error message when the scanner returns YYERRCODE

* data/skeletons/yacc.c (yyparse): When the scanner returns YYERRCODE,
go directly to error recovery (yyerrlab1).
However, don't keep the error token as lookahead, that token is too
special.
* data/skeletons/lalr1.cc: Likewise.

* examples/c/bistromathic/parse.y (yylex): Use that feature to report
nicely invalid characters.
* examples/c/bistromathic/bistromathic.test: Check that.
* examples/test: Neutralize gratuitous differences such as rule
position.

* tests/calc.at: Check that case in C only.
The other case seem to be working, but that's an illusion that the
next commit will address (in fact, they can enter endless loops, and
report the error several times anyway).

2020-04-26 18:05:30 +02:00

c: don't emit an error message when the scanner returns YYERRCODE

2020-04-26 18:05:30 +02:00

c++

doc: c++: document parser::context

2020-04-13 16:54:14 +02:00

d: put YYEMPTY in the TokenKind

2020-04-13 16:49:54 +02:00

java

doc: java: SymbolKind, etc.

2020-04-13 16:54:48 +02:00

extexi

package: bump copyrights to 2020

2020-01-10 19:16:23 +01:00

local.mk

package: bump copyrights to 2020

2020-01-10 19:16:23 +01:00

README.md

package: bump copyrights to 2020

2020-01-10 19:16:23 +01:00

test

c: don't emit an error message when the scanner returns YYERRCODE

2020-04-26 18:05:30 +02:00

README.md

This directory contains examples of Bison grammar files, sorted per language.

Several of them come from the documentation, which should be installed together with Bison. The URLs are provided for convenience.

These examples come with a README and a Makefile. Not only can they be used to toy with Bison, they can also be starting points for your own grammars.

Please, be sure to read the C examples before looking at the other languages, as these examples are simpler.