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| author | garrett <[email protected]> | 2011-08-18 09:50:14 -0500 |
|---|---|---|
| committer | garrett <[email protected]> | 2011-08-18 10:38:42 -0500 |
| commit | f5c2fe153db22cfaabf263091f4f073c26ed5480 (patch) | |
| tree | c648f8668db49bddb666bb9381774cf5365540cf /lib/parsetools/doc/src/yecc.xml | |
| parent | 90fb6ccf9292c909a0639f3874b36a1805204bc8 (diff) | |
| download | otp-f5c2fe153db22cfaabf263091f4f073c26ed5480.tar.gz otp-f5c2fe153db22cfaabf263091f4f073c26ed5480.tar.bz2 otp-f5c2fe153db22cfaabf263091f4f073c26ed5480.zip | |
Fix incorrect order of pseudo variables in yecc example
The example is for converting from infix to prefix. This change
uses to correct ordering of the triplet.
Diffstat (limited to 'lib/parsetools/doc/src/yecc.xml')
| -rw-r--r-- | lib/parsetools/doc/src/yecc.xml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/parsetools/doc/src/yecc.xml b/lib/parsetools/doc/src/yecc.xml index c712609cf4..1d2a985d7d 100644 --- a/lib/parsetools/doc/src/yecc.xml +++ b/lib/parsetools/doc/src/yecc.xml @@ -425,9 +425,9 @@ myparser:parse_and_scan({Mod, Tokenizer, Args}) </code> Nonterminals E T F. Terminals '+' '*' '(' ')' number. Rootsymbol E. -E -> E '+' T: ['$1', '$2', '$3']. +E -> E '+' T: ['$2', '$1', '$3']. E -> T : '$1'. -T -> T '*' F: ['$1', '$2', '$3']. +T -> T '*' F: ['$2', '$1', '$3']. T -> F : '$1'. F -> '(' E ')' : '$2'. F -> number : '$1'. </code> @@ -438,8 +438,8 @@ Terminals '+' '*' '(' ')' number. Rootsymbol E. Left 100 '+'. Left 200 '*'. -E -> E '+' E : ['$1', '$2', '$3']. -E -> E '*' E : ['$1', '$2', '$3']. +E -> E '+' E : ['$2', '$1', '$3']. +E -> E '*' E : ['$2', '$1', '$3']. E -> '(' E ')' : '$2'. E -> number : '$1'. </code> <p>3. An overloaded minus operator:</p> |