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Diffstat (limited to 'tcllib/modules/pt/include/modes.inc')
| -rw-r--r-- | tcllib/modules/pt/include/modes.inc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tcllib/modules/pt/include/modes.inc b/tcllib/modules/pt/include/modes.inc new file mode 100644 index 0000000..4fce8d0 --- /dev/null +++ b/tcllib/modules/pt/include/modes.inc @@ -0,0 +1,21 @@ +[list_begin definitions][comment {-- modes --}] + +[def [const value]] + +The semantic value of the nonterminal symbol is an abstract syntax +tree consisting of a single node node for the nonterminal itself, +which has the ASTs of the symbol's right hand side as its children. + +[def [const leaf]] + +The semantic value of the nonterminal symbol is an abstract syntax +tree consisting of a single node node for the nonterminal, without any +children. Any ASTs generated by the symbol's right hand side are +discarded. + +[def [const void]] + +The nonterminal has no semantic value. Any ASTs generated by the +symbol's right hand side are discarded (as well). + +[list_end][comment {-- modes --}] |