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Merge pull request #51 from Servostar/36-add-parser-rule-for-if 

36 add parser rule for if
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servostar 2024-05-06 08:48:39 +00:00 committed by GitHub
parent 55caa37ba7 98c60aef16
commit 07b3198c06
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1 changed files with 16 additions and 2 deletions
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18
src/yacc/parser.y
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@ -63,7 +63,7 @@
%left OpBitand OpBitor OpBitxor OpBitnot
%%
program: statement;
program: statementlist;
expr: ValFloat
@ -73,9 +73,23 @@ expr: ValFloat
| Ident
| operation;
statementlist: statementlist statement
| ;
statement: assign
| decl
| definition;
| definition
| branch;
branchif: KeyIf expr '{' statementlist '}' { DEBUG("if"); };
branchelse: KeyElse '{' statementlist '}' { DEBUG("if-else"); };
branchelseif: KeyElse KeyIf expr '{' statementlist '}' { DEBUG("else-if"); };
branchelseifs: branchelseifs branchelseif
| ;
branch: branchif branchelseifs
| branchif branchelseifs branchelse;
identlist: Ident ',' identlist
| Ident