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Add ParameterList

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This commit is contained in:
Markus Hauschild
2013-06-01 00:38:20 +02:00
parent a778d524b1
commit e2ab5af964
6 changed files with 63 additions and 8 deletions
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15
grammar/grammar.y
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@@ -8,9 +8,10 @@
#include "Token.h"
#include "AST/ASTElement.h"
#include "AST/ParameterList.h"
#include "AST/Statement.h"
#include "AST/VariableDefinition.h"
#include "AST/Type.h"
#include "AST/VariableDefinition.h"
}
@@ -37,14 +38,14 @@
%type program {int}
program ::= fundefs(F). { std::cout << F << std::endl; }
program ::= expr(E). { std::cout << E << std::endl; }
//program ::= expr(E). { std::cout << E << std::endl; }
%type fundefs {int}
fundefs(A) ::= . { A = 0; }
fundefs(A) ::= fundefs fundef(B). { A = A + B; }
%type fundef {int}
fundef(A) ::= type(T) T_IDENTIFIER(ID) params(P) T_BEGIN statements(S) T_END. { A = 1 + 1 + P + S; /* T ID */ }
fundef(A) ::= type(T) T_IDENTIFIER(ID) T_LPAREN params(P) T_RPAREN T_BEGIN statements(S) T_END. { A = 1 + 1 + 1 + S; /* T P ID */ }
%type type {Type*}
type(A) ::= T_BOOL. { A = new Type("bool"); }
@@ -52,10 +53,10 @@ type(A) ::= T_INT. { A = new Type("int"); }
type(A) ::= T_STRING. { A = new Type("string"); }
type(A) ::= T_VOID. { A = new Type("void"); }
%type params {int}
params(A) ::= . { A = 0; }
params(A) ::= type(T) T_IDENTIFIER(ID). { A = 1 + 1; /* T ID */ }
params(A) ::= params(B) T_COMMA type(T) T_IDENTIFIER(ID). { A = B + 1 + 1; /* T ID */ }
%type params {ParameterList*}
params(A) ::= . { A = new ParameterList(); }
params(A) ::= type(T) T_IDENTIFIER(ID). { A = new ParameterList(); A->addParameter(T, ID->getText()); }
params(A) ::= params(B) T_COMMA type(T) T_IDENTIFIER(ID). { B->addParameter(T, ID->getText()); A = B; }
%type statement {int}
statement(A) ::= T_IF T_LPAREN expr(E) T_RPAREN statement(S). { A = E + S; }