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java: add support for parse.error custom

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* data/skeletons/lalr1.java: Add support for custom parse errors.
(yyntokens_): Make it public.  Under...
(yyntokens): this name.
(Context): Capture the location too.
* examples/c/bistromathic/parse.y,
* examples/c/bistromathic/bistromathic.test:
Improve error message.
* examples/java/calc/Calc.test, examples/java/calc/Calc.y: Use custom
error messages.
* tests/calc.at, tests/local.at: Check custom error messages.
This commit is contained in:
Akim Demaille
2020-02-08 14:19:03 +01:00
parent 0c90c59795
commit ef097719ea
8 changed files with 95 additions and 29 deletions
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4
examples/java/calc/Calc.test
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@@ -30,9 +30,9 @@ run 0 '7
cat >input <<EOF
1 + 2 * * 3
EOF
run 0 "err: 1.9-1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!'"
run 0 "err: 1.9-1.10: syntax error: expected number or '-' or '(' or '!' before '*'"
cat >input <<EOF
12 222
EOF
run 0 "err: 1.6-1.9: syntax error, unexpected number"
run 0 "err: 1.6-1.9: syntax error: expected end of line or '=' or '-' or '+' or '*' or '/' or '^' before number"