humenius/dhbw-compilerbau
1
1
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[12 - Tree Grammar] Add AssignCount grammar and adjust ANTLR build config

Browse Source
This commit is contained in:
Humenius
2020-06-12 16:06:34 +02:00
parent a9d5c76b78
commit 448d7ac32a
7 changed files with 1416 additions and 135 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
CC-Praxis-Antlr Baumgrammatiken-Leer/src/de/dhbw/compiler/antlrxtreegrammar/AntlrXTreeGrammarMain.java
View File

@@ -71,7 +71,7 @@ public class AntlrXTreeGrammarMain {
public static void main(String[] args) throws Exception {
ANTLRInputStream input = new ANTLRInputStream(new ByteArrayInputStream(BEISPIELFOLIEN.getBytes()));
ANTLRInputStream input = new ANTLRInputStream(new ByteArrayInputStream(TEST.getBytes()));
XLexer lexer = new XLexer(input);
XParser parser = new XParser(new CommonTokenStream(lexer));
CommonTree tree = parser.program().getTree();
@@ -79,9 +79,9 @@ public class AntlrXTreeGrammarMain {
// Tut nichts
XTreeGrammar treeGrammar = new XTreeGrammar(new CommonTreeNodeStream(tree));
tree = treeGrammar.program().getTree();
// Z<>hle Zuweisungen
// TODO
// Zuweisungen
AssignCount count = new AssignCount(new CommonTreeNodeStream(tree));
System.out.printf("Assign count: %d%n", count.getCount());
}
}

20
CC-Praxis-Antlr Baumgrammatiken-Leer/src/de/dhbw/compiler/antlrxtreegrammar/AssignCount.g
View File

@@ -17,6 +17,24 @@ options {
}
decl: ^(DECL ID ('int' | 'float' | 'string') 'read'? 'print'?);
decllist: ^(DECLLIST decl*);
program: 'todo';
expr: ^(('+' | '-' | '*' | '/') expr expr)
| ^(UMINUS (INTCONST | FLOATCONST))
| INTCONST | FLOATCONST | STRINGCONST | ID;
assignstat: ^(':=' ID expr) { count++; }; // FIXME Zählt nicht in AntlrXTreeGrammarMain, aber in Tests??
cond: ^(('<' | '>' | '=') expr expr);
condstat: ^('if' cond stat stat?);
whilestat: ^('while' cond stat);
forstat: ^('for' assignstat cond assignstat stat);
stat: assignstat | condstat | whilestat | forstat | statlist;
statlist: ^(STATLIST stat*);
program: ^('program' ID decllist statlist);

1303
CC-Praxis-Antlr Baumgrammatiken-Leer/src/de/dhbw/compiler/antlrxtreegrammar/AssignCount.java
View File

File diff suppressed because it is too large Load Diff

2
CC-Praxis-Antlr Baumgrammatiken-Leer/src/de/dhbw/compiler/antlrxtreegrammar/AssignCount.tokens
View File

@@ -40,7 +40,6 @@ STRINGCONST=16
UMINUS=17
WS=18
ZERO=19
T__46=46
'('=20
')'=21
'*'=22
@@ -67,4 +66,3 @@ T__46=46
'string'=43
'then'=44
'while'=45
'todo'=46