Calvin Rose
c4114fbcdb
Add quote special to peg syntax to make captures terser.
2019-01-17 19:28:42 -05:00
Calvin Rose
95f2bbe0a0
Add highlight.janet tool which can highlight
...
janet source code and output html or terminal escaped code.
Also made re entrant calls into the vm provide better
error messages.
2019-01-17 18:12:26 -05:00
Calvin Rose
2c1b506213
Add tagged captures for a better (more correct) form of look behind.
2019-01-16 22:38:11 -05:00
Calvin Rose
612a245961
More work on peg. Disable indexed backrefs and replace substitution
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with accumulation.
2019-01-16 21:11:55 -05:00
Calvin Rose
d0fc29338c
Add error special form in Peg to allow construction of grammar errors
...
for more useful grammars that could eventually be used in a compiler.
2019-01-15 16:04:47 -05:00
Calvin Rose
4eeadd7463
Add optional form to peg (shorthand for (between 0 1 patt)).
2019-01-15 14:08:03 -05:00
Calvin Rose
f0fcdf6bc5
Update Peg.md text
2019-01-15 11:09:22 -05:00
Calvin Rose
2a333f8359
Add simple pattern examples to peg doc.
2019-01-15 11:05:51 -05:00
Calvin Rose
0dd867d508
Fix markup.
2019-01-14 22:33:33 -05:00
Calvin Rose
e3f902cb8a
Update docs.
2019-01-14 22:31:57 -05:00
Calvin Rose
c651b6f67c
Fix peg doc table.
2019-01-14 22:18:51 -05:00
Calvin Rose
3a9b50ea4a
Update peg doc and remame some peg specials.
2019-01-14 22:17:13 -05:00
Calvin Rose
1304f9263b
Update peg docs and make bad backrefs not error the whole pattern, but just cause the current match attempt to fail.
2019-01-14 21:47:55 -05:00
Calvin Rose
90313afd40
Update PEG documentation and peg syntax.
...
Disable tail calls in the root scope for better
stacktraces, as the root scope may contain a single call
to a failing function, as in the case of the test suite.
2019-01-14 20:41:32 -05:00
Calvin Rose
170e785b72
Fix recursion in grammars.
2019-01-14 15:06:35 -05:00
