asm

Provides support for dealing with EVM assembly instructions (e.g., disassembling them).

instructionIterator

// Iterator for disassembled EVM instructions
type instructionIterator struct {
    code    []byte
    pc      uint64
    arg     []byte
    op      vm.OpCode
    error   error
    started bool
}

Compiler

// Compiler contains information about the parsed source
// and holds the tokens for the program.
type Compiler struct {
    tokens []token
    binary []interface{}

    labels map[string]int

    pc, pos int

    debug bool
}

lexer

// lexer is the basic construct for parsing
// source code and turning them in to tokens.
// Tokens are interpreted by the compiler.
type lexer struct {
    input string // input contains the source code of the program

    tokens chan token // tokens is used to deliver tokens to the listener
    state  stateFn    // the current state function

    lineno            int // current line number in the source file
    start, pos, width int // positions for lexing and returning value

    debug bool // flag for triggering debug output
}