def p_arguments(t):
'''arguments : expression
| expression arguments'''
if (len(t) == 2):
t[0] = kino_compile.Tree_Node(kino_compile.ntArguments, None, t[1],
t.lexer.lineno)
else:
t[0] = kino_compile.Tree_Node(kino_compile.ntArguments, [t[2]], t[1],
t.lexer.lineno)
def p_program_expr(t):
'''program : line
| line program'''
if len(t) == 2:
t[0] = kino_compile.Tree_Node(kino_compile.ntProgram, None, t[1],
t.lexer.lineno)
else:
t[0] = kino_compile.Tree_Node(kino_compile.ntProgram, [t[2]], t[1],
t.lexer.lineno)
def p_parameters(t):
'''parameters : declaration
| declaration parameters'''
if (len(t) == 2):
t[0] = kino_compile.Tree_Node(kino_compile.ntParameters, None, t[1],
t.lexer.lineno)
else:
t[0] = kino_compile.Tree_Node(kino_compile.ntParameters, [t[2]], t[1],
t.lexer.lineno)
def p_primative_op(t):
'''primative_op : PLUS
| MINUS
| MULT
| EQV
| NEQV'''
t[0] = kino_compile.Tree_Node(kino_compile.ntPrimative_op, None, t[1],
t.lexer.lineno)
def p_expression_number(t):
'''expression : NUMBER'''
t[0] = kino_compile.Tree_Node(kino_compile.ntNumber, None, t[1],
t.lexer.lineno)
def p_primative_unary_op(t):
'''unary_op : DEREF'''
t[0] = kino_compile.Tree_Node(kino_compile.ntUnaryPrimative_op, None, t[1],
t.lexer.lineno)
def p_primative_unary(t):
'''expression : unary_op expression'''
t[0] = kino_compile.Tree_Node(kino_compile.ntUnaryPrimative, [t[2]], t[1],
t.lexer.lineno)
def p_primative(t):
'''expression : expression primative_op expression'''
t[0] = kino_compile.Tree_Node(kino_compile.ntPrimative, [t[1], t[3]], t[2],
t.lexer.lineno)
def p_assignment(t):
'''assignment : IDENTIFIER EQ expression '''
t[0] = kino_compile.Tree_Node(kino_compile.ntAssignment, [t[3]], t[1],
t.lexer.lineno)
def p_loop(t):
'''loop : WHILE LPAREN expression RPAREN LBRACE program RBRACE'''
t[0] = kino_compile.Tree_Node(kino_compile.ntLoop, [t[6]], t[3],
t.lexer.lineno)
def p_line_expr(t):
'''line : declaration
| assignment
| control'''
t[0] = kino_compile.Tree_Node(kino_compile.ntLine, None, t[1],
t.lexer.lineno)
def p_function_call(t):
'''expression : IDENTIFIER LPAREN arguments RPAREN'''
t[0] = kino_compile.Tree_Node(kino_compile.ntFunctionCall, [t[3]], t[1],
t.lexer.lineno)
def p_function_decl(t):
'''function_decl : INT IDENTIFIER LPAREN parameters RPAREN LBRACE program RBRACE'''
t[0] = kino_compile.Tree_Node(kino_compile.ntFunctionDecl, [t[4], t[7]],
t[2], t.lexer.lineno)
def p_expression_identifier(t):
'''expression : IDENTIFIER'''
t[0] = kino_compile.Tree_Node(kino_compile.ntIdentifier, None, t[1],
t.lexer.lineno)
def p_declaration(t):
'''declaration : INT IDENTIFIER EQ expression
| INT IDENTIFIER'''
t[0] = kino_compile.Tree_Node(kino_compile.ntDeclaration, [t[1], t[4]],
t[2], t.lexer.lineno)
def p_control(t):
'''control : loop
| conditional'''
t[0] = kino_compile.Tree_Node(kino_compile.ntControl, None, t[1],
t.lexer.lineno)
def p_conditional(t):
'''conditional : IF LPAREN expression RPAREN LBRACE program RBRACE ELSE LBRACE program RBRACE'''
t[0] = kino_compile.Tree_Node(kino_compile.ntConditional, [t[6], t[10]],
t[3], t.lexer.lineno)
