Future/bison
1
0
Fork 0
mirror of https://git.savannah.gnu.org/git/bison.git synced 2026-03-15 23:33:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

d: create alias Symbol for YYParse.Symbol

Browse Source 
* data/skeletons/lalr1.d: Here.
* doc/bison.texi: Document it.
* examples/d/calc/calc.y, examples/d/simple/calc.y: Adjust.
* tests/calc.at, tests/d.at, tests/scanner.at: Test it.
This commit is contained in:
Adela Vais
2020-12-10 22:49:28 +02:00
committed by Akim Demaille
parent 848a17fa33
commit 13bb2b78b3
8 changed files with 62 additions and 52 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
tests/scanner.at
View File

@@ -121,12 +121,12 @@ class YYLexer(R) : Lexer
return semanticVal_;
}
YYParser.Symbol yylex ()
Symbol yylex ()
{
import std.uni : isNumber;
// Handle EOF.
if (input.empty)
return YYParser.Symbol(TokenKind.END);
return Symbol(TokenKind.END);
auto c = input.front;
input.popFront;
@@ -136,13 +136,13 @@ class YYLexer(R) : Lexer
{
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
semanticVal_.val = c - '0';
return YYParser.Symbol(TokenKind.NUM, semanticVal_.val);
case '+': return YYParser.Symbol(TokenKind.PLUS);
case '-': return YYParser.Symbol(TokenKind.MINUS);
case '*': return YYParser.Symbol(TokenKind.STAR);
case '/': return YYParser.Symbol(TokenKind.SLASH);
case '(': return YYParser.Symbol(TokenKind.LPAR);
case ')': return YYParser.Symbol(TokenKind.RPAR);
return Symbol(TokenKind.NUM, semanticVal_.val);
case '+': return Symbol(TokenKind.PLUS);
case '-': return Symbol(TokenKind.MINUS);
case '*': return Symbol(TokenKind.STAR);
case '/': return Symbol(TokenKind.SLASH);
case '(': return Symbol(TokenKind.LPAR);
case ')': return Symbol(TokenKind.RPAR);
default: assert(0);
}
}