catdog2/scully
1
0
Fork 0
Code Issues Pull Requests Releases Activity

Prepare PrintVisitor

Browse Source
This commit is contained in:
Markus Hauschild
2013-06-01 03:33:38 +02:00
parent afed97b3b3
commit cfaa3efe43
5 changed files with 108 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
grammar/grammar.y
View File

@@ -18,7 +18,8 @@
#include "AST/FunctionDefinition.h"
#include "AST/IfStatement.h"
#include "AST/ParameterList.h"
//#include "AST/RandomForStatement.h"
#include "AST/PrintVisitor.h"
#include "AST/RandomForStatement.h"
#include "AST/RandomIfStatement.h"
#include "AST/ReturnStatement.h"
#include "AST/Scope.h"
@@ -52,8 +53,8 @@
}
%type program {int}
program ::= fundef(F). { std::cout << F << std::endl; }
program ::= expr(E). { std::cout << E << std::endl; }
program ::= fundef(F). { PrintVisitor* pv = new PrintVisitor; F->accept(pv); delete pv; }
program ::= expr(E). { PrintVisitor* pv = new PrintVisitor; E->accept(pv); delete pv; }
%type fundef {FunctionDefinition*}
fundef(A) ::= type(T) T_IDENTIFIER(ID) T_LPAREN params(P) T_RPAREN T_BEGIN statements(S) T_END.
@@ -79,7 +80,7 @@ statement(A) ::= T_RIF T_LPAREN expr(P) T_RPAREN statement(S).
statement(A) ::= T_FOR T_LPAREN expr(INIT) T_SEMICOLON expr(COND) T_SEMICOLON expr(STEP) T_RPAREN statement(S).
{ A = new ForStatement(INIT, COND, STEP, S); }
statement(A) ::= T_RFOR T_LPAREN expr(INIT) T_SEMICOLON expr(P) T_SEMICOLON expr(STEP) T_RPAREN statement(S).
{ A = 0; /* new RandomForStatement(INIT, P, STEP, S); */ }
{ A = new RandomForStatement(INIT, P, STEP, S); }
statement(A) ::= T_RETURN expr(E) T_SEMICOLON. { A = new ReturnStatement(E); }
statement(A) ::= T_BEGIN statements(S) T_END. { A = new Scope(S); }
statement(A) ::= vardef(V) T_SEMICOLON. { A = V; }