def p_BooleanOperator(p):
'''BooleanOperator : AND
| OR
| BOOL_EQUALS
| BOOL_NOT_EQUALS
| GREATER_THAN
| GREATER_THAN_EQ
| LESS_THAN
| LESS_THAN_EQ
'''
if (p[1] == 'and'):
p[0] = AstNode(AST_AND,p.lineno(1),p.lexpos(1));
elif(p[1] == 'or'):
p[0] = AstNode(AST_OR,p.lineno(1),p.lexpos(1));
elif(p[1] == '=='):
p[0] = AstNode(AST_BOOL_EQUALS,p.lineno(1),p.lexpos(1));
elif(p[1] == '!='):
p[0] = AstNode(AST_BOOL_NOT_EQUALS,p.lineno(1),p.lexpos(1));
elif(p[1] == '>'):
p[0] = AstNode(AST_GREATER_THAN,p.lineno(1),p.lexpos(1));
elif(p[1] == '>='):
p[0] = AstNode(AST_GREATER_THAN_EQ,p.lineno(1),p.lexpos(1));
elif(p[1] == '<'):
p[0] = AstNode(AST_LESS_THAN,p.lineno(1),p.lexpos(1));
elif(p[1] == '<='):
p[0] = AstNode(AST_LESS_THAN_EQ,p.lineno(1),p.lexpos(1));
else:
errPrint('\nIncorrect boolean operator: ' + p[1] + '\n');
assert(False);
def p_MultDivOperator(p):
'''MultDivOperator : MULTIPLY
| DIVIDE'''
if (p[1] == '*'):
p[0] = AstNode(AST_MULTIPLY, p.lineno(1),p.lexpos(1));
elif(p[1] == '/'):
p[0] = AstNode(AST_DIVIDE, p.lineno(1),p.lexpos(1));
else:
errPrint('\nIncorrect number of matches in MultDivOperator\n');
assert(False);
def p_PlusMinusOperator(p):
'''PlusMinusOperator : PLUS
| MINUS'''
if (p[1] == '+'):
p[0] = AstNode(AST_PLUS, p.lineno(1),p.lexpos(1));
elif(p[1] == '-'):
p[0] = AstNode(AST_MINUS, p.lineno(1),p.lexpos(1));
else:
errPrint('\nIncorrect number of matches in PlusMinusOperator\n');
assert(False);
def p_FunctionBody(p):
'''FunctionBody : FunctionBody FunctionBodyStatement
| FunctionBodyStatement'''
p[0] = AstNode(AST_FUNCTION_BODY, p[1].lineNo,p[1].linePos);
if (len(p) == 3):
p[0].addChildren(p[1].getChildren());
p[0].addChild(p[2]);
elif (len(p) == 2):
p[0].addChild(p[1]);
else:
errPrint('\nError statement length mismatch in FunctionBody\n');
assert(False);
def p_MultDivStatement(p):
'''MultDivStatement : OperatableOn MultDivOperator MultDivStatement
| OperatableOn'''
if(len(p) == 4):
p[0] = p[2];
p[0].addChildren([p[1],p[3]]);
elif(len(p) == 2):
p[0] = p[1];
else:
errPrint('\nIncorrect number of matches in MultDivStatement\n');
assert(False);
def p_ParenthesizedExpression(p):
'''ParenthesizedExpression : NOT ReturnableExpression
| InExpression
'''
if (len(p) == 3):
p[0] = AstNode(AST_NOT_EXPRESSION, p.lineno(1),p.lexpos(1));
p[0].addChild(p[2]);
elif(len(p) == 2):
p[0] = p[1];
else:
errPrint('\nIncorrect matching in ReturnableExpression\n');
assert(False);
def p_ElseStatement(p):
'''ElseStatement : Empty
| ELSE SingleLineOrMultilineCurliedBlock '''
if (len(p) == 3):
p[0] = AstNode(AST_ELSE_STATEMENT,p.lineno(0),p.lexpos(0));
p[0].addChild(p[2]);
elif(len(p) == 2):
p[0] = AstNode(AST_ELSE_STATEMENT,p[1].lineNo,p[1].linePos);
else:
errPrint('\nIncorrect match count in ElseStatement.\n');
assert(False);
def p_FunctionTypeList(p):
'''
FunctionTypeList : Type
| FunctionTypeList COMMA Type
'''
p[0] = AstNode(AST_FUNCTION_TYPE_LIST,p[1].lineNo,p[1].linePos);
if (len(p) == 4):
p[0].addChildren(p[1].getChildren());
p[0].addChild(p[3]);
elif(len(p) == 2):
p[0].addChild(p[1]);
else:
errPrint('\nError in TypeList. Unexpected length to match\n');
assert(False);
def p_StructSection(p):
'''
StructSection : Struct
| StructSection Struct
'''
p[0] = AstNode(AST_STRUCT_SECTION,p[1].lineNo,p[1].linePos)
if len(p) == 3:
p[0].addChildren(p[1].getChildren())
p[0].addChild(p[2])
elif len(p) == 2:
p[0].addChild(p[1])
else:
errPrint('\nError in StructSection. Unexpected length to match.\n')
def p_NonBooleanStatement(p):
'''NonBooleanStatement : MultDivStatement PlusMinusOperator NonBooleanStatement
| MultDivStatement
| NonOperatableOn
'''
if(len(p) == 4):
p[0] = p[2];
p[0].addChildren([p[1],p[3]]);
elif(len(p) == 2):
p[0] = p[1];
else:
errPrint('\nIncorrect number of matches in NonBooleanStatement\n');
assert(False);
def p_BooleanStatement(p):
'''BooleanStatement : NonBooleanStatement BooleanOperator BooleanStatement
| NonBooleanStatement'''
#skip over internal_returnable_expression label
if (len(p) == 2):
p[0] = p[1];
elif (len(p) == 4):
p[0] = p[2];
p[0].addChild(p[1]);
p[0].addChild(p[3]);
else:
errPrint('\nIn BooleanStatement, incorrect number of matches\n');
assert(False);
def p_Number(p):
'''Number : NUMBER
| MINUS NUMBER'''
if (len(p) == 2):
p[0] = AstNode(AST_NUMBER,p.lineno(1),p.lexpos(1),p[1]);
elif(len(p) == 3):
p[0] = AstNode(AST_NUMBER,p.lineno(2),p.lexpos(2),'-'+p[2]);
else:
errMsg = '\nBehram error when parsing for number. Incorrect ';
errMsg += 'num statements when matching.\n';
errPrint(errMsg);
assert(False);
p[0].type = TYPE_NUMBER;
def p_FunctionDeclArgList(p):
'''FunctionDeclArgList : FunctionDeclArg
| FunctionDeclArgList COMMA FunctionDeclArg
| Empty'''
p[0] = AstNode(AST_FUNCTION_DECL_ARGLIST,p[1].lineNo,p[1].linePos);
if (len(p) == 4):
p[0].addChildren(p[1].getChildren());
p[0].addChild(p[3]);
elif(len(p) == 2):
if (not isEmptyNode(p[1])):
p[0].addChild(p[1]);
else:
errPrint('\nError in FunctionDeclArgList. Unexpected length to match\n');
assert(False);
def p_ReturnableExpression(p):
'''ReturnableExpression : LEFT_PAREN ReturnableExpression RIGHT_PAREN BinaryOperator ReturnableExpression
| ParenthesizedExpression
| LEFT_PAREN ReturnableExpression RIGHT_PAREN
'''
if (len(p) == 6):
p[0] = p[4];
p[4].addChildren([p[2],p[5]]);
elif(len(p) == 2):
p[0] = p[1];
elif(len(p) == 4):
p[0] = p[2];
else:
errPrint('\nIncorrect number of matches in ReturnableExpression\n');
assert(False);
def p_SingleLineOrMultilineCurliedBlock(p):
'''SingleLineOrMultilineCurliedBlock : FunctionBodyStatement
| CURLY_LEFT FunctionBody CURLY_RIGHT
| CURLY_LEFT CURLY_RIGHT
''';
if (len(p) == 2):
p[0] = AstNode(AST_FUNCTION_BODY,p[1].lineNo,p[1].linePos);
p[0].addChild(p[1]);
elif(len(p) == 4):
p[0] = p[2];
elif(len(p) == 3):
p[0] = AstNode(AST_EMPTY);
else:
errPrint('\nIncorrect match vector in SingleLineOrMultilineCurliedBlock\n');
assert(False);
def p_OperatableOnCommaList(p):
'''
OperatableOnCommaList : OperatableOn
| OperatableOnCommaList COMMA OperatableOn
| Empty
'''
p[0] = AstNode(AST_OPERATABLE_ON_COMMA_LIST,p[1].lineNo,p[1].linePos);
if (len(p) == 4):
p[0].addChildren(p[1].getChildren());
p[0].addChild(p[3]);
elif(len(p) == 2):
if (not isEmptyNode(p[1])):
p[0].addChild(p[1]);
else:
errPrint('\nError in OperatableOnCommaList. Unexpected length to match\n');
assert(False);
def p_ListLiteralItemList(p):
'''ListLiteralItemList : ReturnableExpression
| ReturnableExpression COMMA ListLiteralItemList
| Empty'''
# this will produce a reversed list. ensure to re-reverse when
# use in list.
p[0] = AstNode(AST_LIST_INTERMEDIATE,p[1].lineNo,p[1].linePos);
if (len(p) == 4):
# second line
p[0].addChildren(p[3].getChildren());
p[0].addChild(p[1]);
elif(len(p) == 2):
if (not isEmptyNode(p[1])):
# first line
p[0].addChild(p[1]);
else:
errPrint('\nError in ListLiteralItemList. Unexpected length to match\n');
assert(False);
def p_EndpointBodySection(p):
'''EndpointBodySection : EndpointGlobalSection EndpointFunctionSection
| EndpointFunctionSection
| EndpointGlobalSection
'''
p[0] = AstNode(AST_ENDPOINT_BODY_SECTION,p[1].lineNo,p[1].linePos);
if (len(p) == 3):
p[0].addChildren([p[1],p[2]]);
elif len(p) == 2:
# check that had no globals, but had a function:
if p[1].label == AST_ENDPOINT_FUNCTION_SECTION:
# means that we had no globals. add them
p[0].addChild(AstNode(AST_ENDPOINT_GLOBAL_SECTION, p[1].lineNo,p[1].linePos));
p[0].addChild(p[1]);
else:
# menas that there were globals, but no functions. add
# empty functions.
p[0].addChild(p[1]);
p[0].addChild(AstNode(AST_ENDPOINT_FUNCTION_SECTION,p[1].lineNo,p[1].linePos));
else:
errPrint('\nError in endpoint body section. Got an unusual number of arguments.\n');
assert(False);
