Index

A B C D E F H I L M N O P R S T U V X
All Classes and Interfaces|All Packages|Constant Field Values

A

allTests - Variable in class ExprTest
assertEquals(double, double, double) - Static method in class UtilIanTest: assert that `actual` is within `tol`erance of `expected`.
assertEquals(Object, Object) - Static method in class ExprTest: assert that `actual.equals(expected)`.
assertEquals(Object, Object) - Static method in class UtilIanTest: assert that `actual.equals(expected)`.
assertFalse(boolean) - Static method in class UtilIanTest
assertTrue(boolean) - Static method in class UtilIanTest

B

BinOp - Record Class in Unnamed Package
BinOp(String, Expr, Expr) - Constructor for record class BinOp: Creates an instance of a BinOp record class.

C

ceil(double) - Static method in class UtilIan: The smallest int ≥ to x (same as Math.ceil, but returns int.)
charToString(Character) - Static method in class UtilIan: Convert a char to a String.
CONT_TOKEN1 - Static variable in record class IfZero
CONT_TOKEN3 - Static variable in record class IfZero

D

dbg(String, Object...) - Static method in record class BinOp
dbg(String, Object...) - Method in class ExprTest: Just like `System.err.printf` but for debugging-output; comment out its body to disable.
dbg(String, Object...) - Static method in class UtilIan: Just like `System.err.printf` but for debugging-output; comment out its body to disable.
Digits - Static variable in class UtilIan
DOUBLE_PATTERN - Static variable in class UtilIan
doubleToInt(Double) - Static method in class UtilIan: Convert a Double to an int.
doubleValue() - Method in record class Num: Return the Java double this Value represents (for use by other primitives in our language.)

E

e() - Method in record class Paren: Returns the value of the e record component.
e0 - Variable in class ExprTest
e1 - Variable in class ExprTest
e2 - Variable in class ExprTest
e3 - Variable in class ExprTest
e4 - Variable in class ExprTest
elseAns() - Method in record class IfZero: Returns the value of the elseAns record component.
END_TOKEN - Static variable in record class BinOp
EPSILON - Static variable in record class IfZero
equals(Object) - Method in record class BinOp: Indicates whether some other object is "equal to" this one.
equals(Object) - Method in record class IfZero: Indicates whether some other object is "equal to" this one.
equals(Object) - Method in record class Num: Indicates whether some other object is "equal to" this one.
equals(Object) - Method in record class Pair: Indicates whether some other object is "equal to" this one.
equals(Object) - Method in record class Paren: Indicates whether some other object is "equal to" this one.
equalsApprox(double, double) - Static method in class UtilIan: Return whether two doubles are equal (approximately).
equalsApprox(double, double, double) - Static method in class UtilIan
equalsApproxTest() - Method in class UtilIanTest
equalsIgnoreWhitespace(String, String) - Static method in class UtilIan: Return whether two Strings are equal, ignoring differences in whitespace.
equalsIgnoreWhitespace(String, String, String) - Static method in class UtilIan: Return whether two Strings are equal, ignoring differences in whitespace.
equalsIgnoreWhitespaceTest() - Method in class UtilIanTest
eval() - Method in record class BinOp
eval() - Method in interface Expr: Evaluate a given Expr.
eval() - Method in record class IfZero
eval() - Method in record class Num
eval() - Method in record class Paren
eval() - Method in interface Value
evalBinOp(String, double, double) - Static method in record class BinOp: Evaluate E's `op` w/ `l` and `r`
Exp - Static variable in class UtilIan
Expr - Interface in Unnamed Package: An `Expr` represents (the parse tree of) an OG0 expression.
ExprTest - Class in Unnamed Package
ExprTest() - Constructor for class ExprTest

F

first() - Method in record class Pair: Returns the value of the first record component.
floor(double) - Static method in class UtilIan: The largest int ≤ to x (same as Math.floor, but returns int.)

H

hashCode() - Method in record class BinOp: Returns a hash code value for this object.
hashCode() - Method in record class IfZero: Returns a hash code value for this object.
hashCode() - Method in record class Num: Returns a hash code value for this object.
hashCode() - Method in record class Pair: Returns a hash code value for this object.
hashCode() - Method in record class Paren: Returns a hash code value for this object.
hasNextChar(Scanner) - Static method in class UtilIan: Is there a next (non-white) character to read from a scanner? Same as hasNext(); provided for completeness.
hasNextChar(Scanner, char) - Static method in class UtilIan: Is a certain character next, in a scanner's input (skipping whitespace)? This method may advance the scanner over any whitespace.
hasNextDoubleSplittingBy(Scanner, String) - Static method in class UtilIan
hasNextSplittingBy(Scanner, String, String) - Static method in class UtilIan: Does the scanner's next token start with a given word, optionally followed by: any of delimiterChars (and.iph other chars).

I

IfZero - Record Class in Unnamed Package: Our internal representation of a IfZero expr in the OG0 language.
IfZero(Expr, Expr, Expr) - Constructor for record class IfZero: Creates an instance of a IfZero record class.
intToDouble(Integer) - Static method in class UtilIan: Convert an Integer into to a double.

L

left() - Method in record class BinOp: Returns the value of the left record component.
logPassedTest() - Method in class ExprTest

M

main(String...) - Static method in class ExprTest: Manually call our test-functions (in case calling JUnit from your IDE isn't easy).
main(String...) - Static method in class UtilIanTest
mathTests() - Method in class UtilIanTest
max(Collection<T>) - Static method in class UtilIan: Return the maximum item in a Collection[Comparable].
max(T...) - Static method in class UtilIan: A var-args version of max(Collection).
maxMinTests() - Method in class UtilIanTest
min(Collection<T>) - Static method in class UtilIan: Return the minimum item in a Collection[Comparable].
min(T...) - Static method in class UtilIan: A var-args version of min(Collection).

N

nextChar(Scanner) - Static method in class UtilIan: Read the next char from a scanner's input (skipping whitespace).
nextChar(Scanner, char) - Static method in class UtilIan: Read the given character from a scanner's input (skipping whitespace).
nextDoubleSplittingBy(Scanner, String) - Static method in class UtilIan
nextDoubleSplittingByTest() - Method in class UtilIanTest
nextMatch(Scanner, String) - Static method in class UtilIan: Return the next match (skipping initial whitespace) of a pattern.
nextMatch(Scanner, Pattern) - Static method in class UtilIan: Return the next match (skipping initial whitespace) of a pattern.
nextMatchTest() - Method in class UtilIanTest
nextSplittingBy(Scanner, String) - Static method in class UtilIan: Read a token, but stopping (and not consuming) if we encounter one of delimiterChars.
nextSplittingByTest() - Method in class UtilIanTest
Num - Record Class in Unnamed Package: Our internal representation of a number in the OG0 language.
Num(double) - Constructor for record class Num: Creates an instance of a Num record class.

O

op() - Method in record class BinOp: Returns the value of the op record component.
OP_FUNCS - Static variable in record class BinOp
OPS - Static variable in record class BinOp

P

Pair<T,U> - Record Class in Unnamed Package: A class to represent two values.
Pair(T, U) - Constructor for record class Pair: Creates an instance of a Pair record class.
Paren - Record Class in Unnamed Package: Our internal representation of a Paren in the OG0 language.
Paren(Expr) - Constructor for record class Paren: Creates an instance of a Paren record class.
parse(String) - Static method in interface Expr: Return (our internal representation of) the first expression in s.
parse(Scanner) - Static method in interface Expr: Return (our internal representation of) the first expression in s.
parse(Scanner, String) - Static method in record class BinOp: “@Override” Expr.parse(java.lang.String)
parse(Scanner, String) - Static method in interface Expr: Return (our internal representation of) the first expression in s.
parse(Scanner, String) - Static method in record class IfZero: “@Override” Expr.parse(java.lang.String)
parse(Scanner, String) - Static method in record class Num: “@Override” Expr.parse(java.lang.String)
parse(Scanner, String) - Static method in record class Paren: “@Override” Expr.parse(java.lang.String)
PUNCTUATION - Static variable in interface Expr

R

right() - Method in record class BinOp: Returns the value of the right record component.
roundTo(double, int) - Static method in class UtilIan: Round a number to a certain number of decimal places.
roundToInt(double) - Static method in class UtilIan: Round a Double to the nearest int.

S

scannerTest() - Method in class UtilIanTest
second() - Method in record class Pair: Returns the value of the second record component.
setUp() - Method in class ExprTest: Sets up the test fixture.
skipWhitespace(Scanner) - Static method in class UtilIan: Skip over the whitespace in a Scanner.
START_TOKEN - Static variable in record class BinOp
START_TOKEN - Static variable in record class IfZero
START_TOKEN - Static variable in record class Paren
STOP_TOKEN - Static variable in record class Paren

T

tearDown() - Method in class ExprTest: Tears down the test fixture.
test() - Method in record class IfZero: Returns the value of the test record component.
testEval() - Method in class ExprTest: For every element in allTests, parse the string and eval the result, checking that we get back the second item in the pair.
testMyStuff() - Method in class ExprTest
testParseToString() - Method in class ExprTest: For every element in allTests, parse the string, and then call toString on the result, checking that we get back exactly the input string (up to whitespace).
testTowardsAutomating() - Method in class ExprTest
thenAns() - Method in record class IfZero: Returns the value of the thenAns record component.
TOLERANCE - Static variable in class ExprTest
toString() - Method in record class BinOp: Returns a string representation of this record class.
toString() - Method in interface Expr: Return a String representation of this Expr.
toString() - Method in record class IfZero: Returns a string representation of this record class.
toString() - Method in record class Num: Returns a string representation of this record class.
toString() - Method in record class Pair: Returns a string representation of this record class.
toString() - Method in record class Paren: Returns a string representation of this record class.

U

UtilIan - Class in Unnamed Package
UtilIanTest - Class in Unnamed Package: The test class UtilIanTest.
UtilIanTest() - Constructor for class UtilIanTest

V

Value - Interface in Unnamed Package: Abstract class Value - The type of all Expressions which self-evaluate: Numbers, and (later, in OG3) functions.
verifyToken(String, String) - Static method in class UtilIan: Verify that `actualToken` equals `actualToken`; throw an InputMismatchException if not.

X

x() - Method in record class Num: Returns the value of the x record component.

A B C D E F H I L M N O P R S T U V X
All Classes and Interfaces|All Packages|Constant Field Values