abacus

package
v1.4.2 Latest Latest
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 Go to latest Published: Sep 26, 2022 License: MIT Imports: 9 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	Green   = Color("\033[32m")
	Magenta = Color("\033[35m")
	Red     = Color("\033[91m")
	White   = Color("\033[37m")
	Reset   = Color("\033[0m")
)
View Source 
var FunctionNames = map[FunctionName]struct{}{
	// contains filtered or unexported fields
}

Functions

This section is empty.

Types

type Assignment 

type Assignment []Number

func (Assignment) Color 

func (r Assignment) Color() string

func (Assignment) String 

func (r Assignment) String() string

type Bool 

type Bool bool

func (Bool) Color 

func (r Bool) Color() string

func (Bool) String 

func (r Bool) String() string

type CalledLambda 

type CalledLambda struct {
	// contains filtered or unexported fields
}

func (*CalledLambda) Signature 

func (l *CalledLambda) Signature() string

type Color 

type Color string

type Colorer 

type Colorer interface {
	Color() string
}

type Constant 

type Constant string
const (
	PI  Constant = "pi"
	PHI Constant = "phi"
	E   Constant = "e"
)

type ConstantsStore 

type ConstantsStore struct {
	Constants map[Constant]Number
	LogCache  *lru.Cache[string, Number] // TODO: migrate back to hashicorp/golang-lru when it supports generics
}

func NewConstantsStore 

func NewConstantsStore() (*ConstantsStore, error)

func (*ConstantsStore) Cache 

func (cs *ConstantsStore) Cache(key string, value Number)

func (*ConstantsStore) Cached 

func (cs *ConstantsStore) Cached(key string) (Number, bool)

func (*ConstantsStore) Constant 

func (cs *ConstantsStore) Constant(constant Constant) (Number, bool)

func (*ConstantsStore) SetConstant 

func (cs *ConstantsStore) SetConstant(constant Constant, value Number)

type Formatter 

type Formatter interface {
	fmt.Stringer
	Colorer
}

type FunctionName 

type FunctionName string

type LambdaArguments 

type LambdaArguments []String

func (LambdaArguments) Color 

func (r LambdaArguments) Color() string

Color variables and Lambdas differently

func (LambdaArguments) String 

func (r LambdaArguments) String() string

type LambdaAssignment 

type LambdaAssignment string

func (LambdaAssignment) Color 

func (r LambdaAssignment) Color() string

func (LambdaAssignment) String 

func (r LambdaAssignment) String() string

type LambdaCallStack 

type LambdaCallStack struct {
	// contains filtered or unexported fields
}

func (*LambdaCallStack) IsRecurring 

func (s *LambdaCallStack) IsRecurring(lambdaName string) bool

func (*LambdaCallStack) Peek 

func (s *LambdaCallStack) Peek() *CalledLambda

func (*LambdaCallStack) Pop 

func (s *LambdaCallStack) Pop() *CalledLambda

func (*LambdaCallStack) Push 

func (s *LambdaCallStack) Push(l *CalledLambda)

type LambdaDeclaration 

type LambdaDeclaration struct {
	// contains filtered or unexported fields
}

type MixedTuple 

type MixedTuple []interface{}

func (MixedTuple) Color 

func (r MixedTuple) Color() string

func (MixedTuple) String 

func (r MixedTuple) String() string

type Number 

type Number struct {
	*apd.Decimal
}

func NewNumber 

func NewNumber(f float64) Number

func (Number) Color 

func (r Number) Color() string

func (Number) String 

func (r Number) String() string

type Parameter 

type Parameter struct {
	Name  string
	Value interface{}
}

type RecursionParameters 

type RecursionParameters struct {
	MaxRecurrences uint
	LastValue      parser.IExpressionContext
	StopWhen       parser.IBoolExpressionContext
	Memoize        bool
}

func NewRecursionParameters 

func NewRecursionParameters() *RecursionParameters

type Result 

type Result struct {
	Value  Formatter
	Errors []error
}

Result is struct returned after evaluating each leaf in the parser tree. Errors are propagated up

func NewResult 

func NewResult(value Formatter) *Result

func (*Result) Length 

func (r *Result) Length() int

Length returns the length of the tuple value of result. If Value is not a tuple type 1 is returned

func (*Result) WithError 

func (r *Result) WithError(ee ...string) *Result

func (*Result) WithErrors 

func (r *Result) WithErrors(previous *Result, ee ...string) *Result

type String 

type String string

func (String) Color 

func (r String) Color() string

func (String) String 

func (r String) String() string

type Tuple 

type Tuple []Number

func (Tuple) Color 

func (r Tuple) Color() string

func (Tuple) String 

func (r Tuple) String() string

type VariablesTuple 

type VariablesTuple []String

func (VariablesTuple) Color 

func (r VariablesTuple) Color() string

func (VariablesTuple) String 

func (r VariablesTuple) String() string

type Visitor 

type Visitor struct {
	antlr.ParseTreeVisitor

	ConstantsStore *ConstantsStore
	// contains filtered or unexported fields
}

func NewAbacusVisitor 

func NewAbacusVisitor(precision uint32, strict bool) (*Visitor, error)

func (*Visitor) HandleFunctionInvocation 

func (v *Visitor) HandleFunctionInvocation(ctx *parser.FunctionInvocationContext) interface{}

func (*Visitor) LambdaNames 

func (v *Visitor) LambdaNames() []string

func (*Visitor) SetVariable 

func (v *Visitor) SetVariable(name string, value Number)

func (*Visitor) VariableNames 

func (v *Visitor) VariableNames() []string

func (*Visitor) Visit 

func (v *Visitor) Visit(tree antlr.ParseTree) interface{}

func (*Visitor) VisitAddSub 

func (v *Visitor) VisitAddSub(c *parser.AddSubContext) interface{}

func (*Visitor) VisitAndOrXor 

func (v *Visitor) VisitAndOrXor(c *parser.AndOrXorContext) interface{}

func (*Visitor) VisitAtomExpr 

func (v *Visitor) VisitAtomExpr(c *parser.AtomExprContext) interface{}

func (*Visitor) VisitBoolAtom 

func (v *Visitor) VisitBoolAtom(c *parser.BoolAtomContext) interface{}

func (*Visitor) VisitBooleanAtom 

func (v *Visitor) VisitBooleanAtom(c *parser.BooleanAtomContext) interface{}

func (*Visitor) VisitConstant 

func (v *Visitor) VisitConstant(c *parser.ConstantContext) interface{}

func (*Visitor) VisitEqualComparison 

func (v *Visitor) VisitEqualComparison(c *parser.EqualComparisonContext) interface{}

func (*Visitor) VisitFuncExpr 

func (v *Visitor) VisitFuncExpr(c *parser.FuncExprContext) interface{}

func (*Visitor) VisitFunctionInvocation 

func (v *Visitor) VisitFunctionInvocation(c *parser.FunctionInvocationContext) interface{}

func (*Visitor) VisitGreaterComparison 

func (v *Visitor) VisitGreaterComparison(c *parser.GreaterComparisonContext) interface{}

func (*Visitor) VisitGreaterOrEqualComparison 

func (v *Visitor) VisitGreaterOrEqualComparison(c *parser.GreaterOrEqualComparisonContext) interface{}

func (*Visitor) VisitLambdaArguments 

func (v *Visitor) VisitLambdaArguments(c *parser.LambdaArgumentsContext) interface{}

func (*Visitor) VisitLambdaDeclaration 

func (v *Visitor) VisitLambdaDeclaration(c *parser.LambdaDeclarationContext) interface{}

func (*Visitor) VisitLambdaExpr 

func (v *Visitor) VisitLambdaExpr(c *parser.LambdaExprContext) interface{}

func (*Visitor) VisitLessComparison 

func (v *Visitor) VisitLessComparison(c *parser.LessComparisonContext) interface{}

func (*Visitor) VisitLessOrEqualComparison 

func (v *Visitor) VisitLessOrEqualComparison(c *parser.LessOrEqualComparisonContext) interface{}

func (*Visitor) VisitMinusSign 

func (v *Visitor) VisitMinusSign(c *parser.MinusSignContext) interface{}

func (*Visitor) VisitMixedTuple 

func (v *Visitor) VisitMixedTuple(c *parser.MixedTupleContext) interface{}

func (*Visitor) VisitMod 

func (v *Visitor) VisitMod(c *parser.ModContext) interface{}

func (*Visitor) VisitMulDiv 

func (v *Visitor) VisitMulDiv(c *parser.MulDivContext) interface{}

func (*Visitor) VisitNot 

func (v *Visitor) VisitNot(c *parser.NotContext) interface{}

func (*Visitor) VisitNullArityLambda 

func (v *Visitor) VisitNullArityLambda(c *parser.NullArityLambdaContext) interface{}

func (*Visitor) VisitNumber 

func (v *Visitor) VisitNumber(c *parser.NumberContext) interface{}

func (*Visitor) VisitParameter 

func (v *Visitor) VisitParameter(c *parser.ParameterContext) interface{}

func (*Visitor) VisitParentheses 

func (v *Visitor) VisitParentheses(c *parser.ParenthesesContext) interface{}

func (*Visitor) VisitParenthesesBoolean 

func (v *Visitor) VisitParenthesesBoolean(c *parser.ParenthesesBooleanContext) interface{}

func (*Visitor) VisitPercent 

func (v *Visitor) VisitPercent(c *parser.PercentContext) interface{}

func (*Visitor) VisitPlusSign 

func (v *Visitor) VisitPlusSign(c *parser.PlusSignContext) interface{}

func (*Visitor) VisitPow 

func (v *Visitor) VisitPow(c *parser.PowContext) interface{}

func (*Visitor) VisitRecursionParameters 

func (v *Visitor) VisitRecursionParameters(c *parser.RecursionParametersContext) interface{}

TODO: Errors aren't handled

func (*Visitor) VisitRoot 

func (v *Visitor) VisitRoot(c *parser.RootContext) interface{}

func (*Visitor) VisitSignedExpr 

func (v *Visitor) VisitSignedExpr(c *parser.SignedExprContext) interface{}

func (*Visitor) VisitTuple 

func (v *Visitor) VisitTuple(c *parser.TupleContext) interface{}

func (*Visitor) VisitVariable 

func (v *Visitor) VisitVariable(c *parser.VariableContext) interface{}

func (*Visitor) VisitVariableDeclaration 

func (v *Visitor) VisitVariableDeclaration(c *parser.VariableDeclarationContext) interface{}

func (*Visitor) VisitVariablesLambda 

func (v *Visitor) VisitVariablesLambda(c *parser.VariablesLambdaContext) interface{}

func (*Visitor) VisitVariablesTuple 

func (v *Visitor) VisitVariablesTuple(c *parser.VariablesTupleContext) interface{}

Source Files

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