gofmt.

src/asl/parser.go

@@ -1,317 +1,317 @@
 package asl
 
 import (
-    "strconv"
+	"strconv"
 )
 
 const TAB = "    "
 
 func Parse(token []Token) string {
-    initParser(token)
-    
-    for tokenIndex < len(token) {
-        parseBlock()
-    }
-    
-    return out
+	initParser(token)
+
+	for tokenIndex < len(token) {
+		parseBlock()
+	}
+
+	return out
 }
 
 func parseBlock() {
-    if accept("var") {
-        parseVar()
-    } else if accept("if") {
-        parseIf()
-    } else if accept("while") {
-        parseWhile()
-    } else if accept("switch") {
-        parseSwitch()
-    } else if accept("for") {
-        parseFor()
-    } else if accept("each") {
-        parseForeach()
-    } else if accept("func") {
-        parseFunction()
-    } else if accept("return") {
-        parseReturn()
-    } else if accept("sqf") {
-        parseSqf()
-    } else {
-        parseStatement()
-    }
-    
-    if !end() && !accept("}") {
-        parseBlock()
-    }
+	if accept("var") {
+		parseVar()
+	} else if accept("if") {
+		parseIf()
+	} else if accept("while") {
+		parseWhile()
+	} else if accept("switch") {
+		parseSwitch()
+	} else if accept("for") {
+		parseFor()
+	} else if accept("each") {
+		parseForeach()
+	} else if accept("func") {
+		parseFunction()
+	} else if accept("return") {
+		parseReturn()
+	} else if accept("sqf") {
+		parseSqf()
+	} else {
+		parseStatement()
+	}
+
+	if !end() && !accept("}") {
+		parseBlock()
+	}
 }
 
 func parseVar() {
-    expect("var")
-    appendOut(get().token)
-    next()
-    
-    if accept("=") {
-        next()
-        appendOut(" = ")
-        parseExpression(true)
-    }
-    
-    appendOut(";\n")
-    expect(";")
+	expect("var")
+	appendOut(get().token)
+	next()
+
+	if accept("=") {
+		next()
+		appendOut(" = ")
+		parseExpression(true)
+	}
+
+	appendOut(";\n")
+	expect(";")
 }
 
 func parseIf() {
-    expect("if")
-    appendOut("if (")
-    parseExpression(true)
-    appendOut(") then {\n")
-    expect("{")
-    parseBlock()
-    expect("}")
-    
-    if accept("else") {
-        next()
-        expect("{")
-        appendOut("} else {\n")
-        parseBlock()
-        expect("}")
-    }
-    
-    appendOut("};\n")
+	expect("if")
+	appendOut("if (")
+	parseExpression(true)
+	appendOut(") then {\n")
+	expect("{")
+	parseBlock()
+	expect("}")
+
+	if accept("else") {
+		next()
+		expect("{")
+		appendOut("} else {\n")
+		parseBlock()
+		expect("}")
+	}
+
+	appendOut("};\n")
 }
 
 func parseWhile() {
-    expect("while")
-    appendOut("while {")
-    parseExpression(true)
-    appendOut("} do {\n")
-    expect("{")
-    parseBlock()
-    expect("}")
-    appendOut("};\n")
+	expect("while")
+	appendOut("while {")
+	parseExpression(true)
+	appendOut("} do {\n")
+	expect("{")
+	parseBlock()
+	expect("}")
+	appendOut("};\n")
 }
 
 func parseSwitch() {
-    expect("switch")
-    appendOut("switch (")
-    parseExpression(true)
-    appendOut(") do {\n")
-    expect("{")
-    parseSwitchBlock()
-    expect("}")
-    appendOut("};\n")
+	expect("switch")
+	appendOut("switch (")
+	parseExpression(true)
+	appendOut(") do {\n")
+	expect("{")
+	parseSwitchBlock()
+	expect("}")
+	appendOut("};\n")
 }
 
 func parseSwitchBlock() {
-    if accept("}") {
-        return
-    }
-    
-    if accept("case") {
-        expect("case")
-        appendOut("case ")
-        parseExpression(true)
-        expect(":")
-        appendOut(":\n")
-        
-        if !accept("case") && !accept("}") {
-            appendOut("{\n")
-            parseBlock()
-            appendOut("};\n")
-        }
-    } else if accept("default") {
-        expect("default")
-        expect(":")
-        appendOut("default:\n")
-        
-        if !accept("}") {
-            appendOut("{\n")
-            parseBlock()
-            appendOut("};\n")
-        }
-    }
-    
-    parseSwitchBlock()
+	if accept("}") {
+		return
+	}
+
+	if accept("case") {
+		expect("case")
+		appendOut("case ")
+		parseExpression(true)
+		expect(":")
+		appendOut(":\n")
+
+		if !accept("case") && !accept("}") {
+			appendOut("{\n")
+			parseBlock()
+			appendOut("};\n")
+		}
+	} else if accept("default") {
+		expect("default")
+		expect(":")
+		appendOut("default:\n")
+
+		if !accept("}") {
+			appendOut("{\n")
+			parseBlock()
+			appendOut("};\n")
+		}
+	}
+
+	parseSwitchBlock()
 }
 
 func parseFor() {
-    expect("for")
-    appendOut("for [{")
-    
-    // var in first assignment is optional
-    if accept("var") {
-        next()
-    }
-    
-    parseExpression(true)
-    expect(";")
-    appendOut("}, {")
-    parseExpression(true)
-    expect(";")
-    appendOut("}, {")
-    parseExpression(true)
-    expect(";")
-    appendOut("}] do {\n")
-    expect("{")
-    parseBlock()
-    expect("}")
-    appendOut("};\n")
+	expect("for")
+	appendOut("for [{")
+
+	// var in first assignment is optional
+	if accept("var") {
+		next()
+	}
+
+	parseExpression(true)
+	expect(";")
+	appendOut("}, {")
+	parseExpression(true)
+	expect(";")
+	appendOut("}, {")
+	parseExpression(true)
+	expect(";")
+	appendOut("}] do {\n")
+	expect("{")
+	parseBlock()
+	expect("}")
+	appendOut("};\n")
 }
 
 func parseForeach() {
-    expect("each")
-    expr := parseExpression(false)
-    expect("{")
-    appendOut("{\n")
-    parseBlock()
-    expect("}")
-    appendOut("} forEach ("+expr+");\n")
+	expect("each")
+	expr := parseExpression(false)
+	expect("{")
+	appendOut("{\n")
+	parseBlock()
+	expect("}")
+	appendOut("} forEach (" + expr + ");\n")
 }
 
 func parseFunction() {
-    expect("func")
-    appendOut(get().token+" = {\n")
-    next()
-    expect("(")
-    parseFunctionParameter()
-    expect(")")
-    expect("{")
-    parseBlock()
-    expect("}")
-    appendOut("};\n")
+	expect("func")
+	appendOut(get().token + " = {\n")
+	next()
+	expect("(")
+	parseFunctionParameter()
+	expect(")")
+	expect("{")
+	parseBlock()
+	expect("}")
+	appendOut("};\n")
 }
 
 func parseFunctionParameter() {
-    // empty parameter list
-    if accept("{") {
-        return;
-    }
-    
-    i := int64(0)
-    
-    for !accept(")") {
-        name := get().token
-        next()
-        appendOut(name+" = _this select "+strconv.FormatInt(i, 10)+";\n")
-        i++
-        
-        if !accept(")") {
-            expect(",")
-        }
-    }
+	// empty parameter list
+	if accept("{") {
+		return
+	}
+
+	i := int64(0)
+
+	for !accept(")") {
+		name := get().token
+		next()
+		appendOut(name + " = _this select " + strconv.FormatInt(i, 10) + ";\n")
+		i++
+
+		if !accept(")") {
+			expect(",")
+		}
+	}
 }
 
 func parseReturn() {
-    expect("return")
-    appendOut("return ")
-    parseExpression(true)
-    expect(";")
-    appendOut(";\n")
+	expect("return")
+	appendOut("return ")
+	parseExpression(true)
+	expect(";")
+	appendOut(";\n")
 }
 
 func parseSqf() {
-    expect("sqf")
-    expect(":")
-    
-    for !accept("sqf") {
-        appendOut(get().token)
-        next()
-    }
-    
-    appendOut("\n")
-    expect("sqf")
+	expect("sqf")
+	expect(":")
+
+	for !accept("sqf") {
+		appendOut(get().token)
+		next()
+	}
+
+	appendOut("\n")
+	expect("sqf")
 }
 
 // Everything that does not start with a keyword.
 func parseStatement() {
-    // empty block
-    if accept("}") || accept("case") || accept("default") {
-        return
-    }
-    
-    // variable or function name
-    name := get().token
-    next()
-    
-    if accept("=") {
-        appendOut(name)
-        parseAssignment()
-    } else if name == "$" {
-        name = get().token
-        next()
-        parseBuildinFunctionCall(name);
-    } else {
-        parseFunctionCall()
-        appendOut(name+";\n")
-    }
-    
-    if !end() {
-        parseBlock()
-    }
+	// empty block
+	if accept("}") || accept("case") || accept("default") {
+		return
+	}
+
+	// variable or function name
+	name := get().token
+	next()
+
+	if accept("=") {
+		appendOut(name)
+		parseAssignment()
+	} else if name == "$" {
+		name = get().token
+		next()
+		parseBuildinFunctionCall(name)
+	} else {
+		parseFunctionCall()
+		appendOut(name + ";\n")
+	}
+
+	if !end() {
+		parseBlock()
+	}
 }
 
 func parseAssignment() {
-    expect("=")
-    appendOut(" = "+get().token)
-    next()
-    expect(";")
-    appendOut(";\n")
+	expect("=")
+	appendOut(" = " + get().token)
+	next()
+	expect(";")
+	appendOut(";\n")
 }
 
 func parseFunctionCall() {
-    expect("(")
-    appendOut("[")
-    parseParameter()
-    expect(")")
-    expect(";")
-    appendOut("] call ")
+	expect("(")
+	appendOut("[")
+	parseParameter()
+	expect(")")
+	expect(";")
+	appendOut("] call ")
 }
 
 func parseBuildinFunctionCall(name string) {
-    expect("(")
-    appendOut("[")
-    parseParameter()
-    expect(")")
-    appendOut("] ")
-    expect("(")
-    appendOut(name+" [")
-    parseParameter()
-    expect(")")
-    expect(";")
-    appendOut("];\n")
+	expect("(")
+	appendOut("[")
+	parseParameter()
+	expect(")")
+	appendOut("] ")
+	expect("(")
+	appendOut(name + " [")
+	parseParameter()
+	expect(")")
+	expect(";")
+	appendOut("];\n")
 }
 
 func parseParameter() {
-    for !accept(")") {
-        parseExpression(true)
-        
-        if !accept(")") {
-            expect(",")
-            appendOut(", ")
-        }
-    }
+	for !accept(")") {
+		parseExpression(true)
+
+		if !accept(")") {
+			expect(",")
+			appendOut(", ")
+		}
+	}
 }
 
 func parseExpression(out bool) string {
-    openingBrackets := 0
-    output := ""
-    
-    for !accept(",") && !accept(":") && !accept(";") && !accept("{") && !accept("}") && (openingBrackets != 0 || !accept(")")) {
-        current := get().token
-        
-        if out {
-            appendOut(current)
-        } else {
-            output += current
-        }
-        
-        if accept("(") {
-            openingBrackets++
-        } else if accept(")") {
-            openingBrackets--
-        }
-        
-        next()
-    }
-    
-    return output
+	openingBrackets := 0
+	output := ""
+
+	for !accept(",") && !accept(":") && !accept(";") && !accept("{") && !accept("}") && (openingBrackets != 0 || !accept(")")) {
+		current := get().token
+
+		if out {
+			appendOut(current)
+		} else {
+			output += current
+		}
+
+		if accept("(") {
+			openingBrackets++
+		} else if accept(")") {
+			openingBrackets--
+		}
+
+		next()
+	}
+
+	return output
 }

src/asl/parserHelper.go

@@ -6,48 +6,48 @@ var out string
 var offset int
 
 func initParser(token []Token) {
-    if len(token) == 0 {
-        panic("No tokens provided")
-    }
-    
-    tokens = token
-    tokenIndex = 0
-    out = ""
-    offset = 0
+	if len(token) == 0 {
+		panic("No tokens provided")
+	}
+
+	tokens = token
+	tokenIndex = 0
+	out = ""
+	offset = 0
 }
 
 func accept(token string) bool {
-    return tokenIndex < len(tokens) && tokenEqual(token, get())
+	return tokenIndex < len(tokens) && tokenEqual(token, get())
 }
 
 func expect(token string) {
-    if !tokenEqual(token, get()) {
-        panic("Parse error, expected '"+token+"' but was '"+get().token+"'")
-    }
-    
-    next()
+	if !tokenEqual(token, get()) {
+		panic("Parse error, expected '" + token + "' but was '" + get().token + "'")
+	}
+
+	next()
 }
 
 func next() {
-    tokenIndex++
+	tokenIndex++
 }
 
 func get() Token {
-    if tokenIndex >= len(tokens) {
-        panic("No more tokens")
-    }
-    
-    return tokens[tokenIndex]
+	if tokenIndex >= len(tokens) {
+		panic("No more tokens")
+	}
+
+	return tokens[tokenIndex]
 }
 
 func end() bool {
-    return tokenIndex == len(tokens)
+	return tokenIndex == len(tokens)
 }
 
 func tokenEqual(a string, b Token) bool {
-    return a == b.token
+	return a == b.token
 }
 
 func appendOut(str string) {
-    out += str
+	out += str
 }

src/asl/tokenizer.go

@@ -1,140 +1,140 @@
 package asl
 
 import (
-    "strings"
-    "fmt"
+	"fmt"
+	"strings"
 )
 
-type Token struct{
-    token string
+type Token struct {
+	token string
 }
 
 var delimiter = []byte{
-    '=',
-    ';',
-    '{',
-    '}',
-    '(',
-    ')',
-    '<',
-    '>',
-    '!',
-    ',',
-    ':',
-    '&',
-    '|',
-    '$'}
+	'=',
+	';',
+	'{',
+	'}',
+	'(',
+	')',
+	'<',
+	'>',
+	'!',
+	',',
+	':',
+	'&',
+	'|',
+	'$'}
 
 var keywords = []string{
-    "var",
-    "if",
-    "while",
-    "switch",
-    "for",
-    "each",
-    "func",
-    "true",
-    "false",
-    "case",
-    "default",
-    "return",
-    "sqfstart",
-    "sqf"}
+	"var",
+	"if",
+	"while",
+	"switch",
+	"for",
+	"each",
+	"func",
+	"true",
+	"false",
+	"case",
+	"default",
+	"return",
+	"sqfstart",
+	"sqf"}
 
 var whitespace = []byte{' ', '\n', '\t'}
 
 func Tokenize(code []byte) []Token {
-    code = removeComments(code)
-    tokens := make([]Token, 0)
-    token := ""
-    
-    fmt.Println(string(code))
-    
-    for i := range code {
-        c := code[i]
-        
-        if byteArrayContains(delimiter, c) {
-            if token != "" {
-                tokens = append(tokens, Token{token})
-            }
-            
-            tokens = append(tokens, Token{string(c)})
-            token = ""
-        } else if stringArrayContains(keywords, strings.ToLower(token)) {
-            tokens = append(tokens, Token{token})
-            token = ""
-        } else if !byteArrayContains(whitespace, c) {
-            token += string(c)
-        }
-    }
-    
-    return tokens
+	code = removeComments(code)
+	tokens := make([]Token, 0)
+	token := ""
+
+	fmt.Println(string(code))
+
+	for i := range code {
+		c := code[i]
+
+		if byteArrayContains(delimiter, c) {
+			if token != "" {
+				tokens = append(tokens, Token{token})
+			}
+
+			tokens = append(tokens, Token{string(c)})
+			token = ""
+		} else if stringArrayContains(keywords, strings.ToLower(token)) {
+			tokens = append(tokens, Token{token})
+			token = ""
+		} else if !byteArrayContains(whitespace, c) {
+			token += string(c)
+		}
+	}
+
+	return tokens
 }
 
 func removeComments(code []byte) []byte {
-    newcode := make([]byte, len(code))
-    j := 0
-    
-    for i := 0; i < len(code); i++ {
-        c := code[i]
-        
-        if c == '/' && nextChar(code, i) == '/' {
-            i = skipSingleLineComment(code, i+1)
-            continue
-        } else if c == '/' && nextChar(code, i) == '*' {
-            i = skipMultiLineComment(code, i+1)
-            continue
-        }
+	newcode := make([]byte, len(code))
+	j := 0
 
-        newcode[j] = c
-        j++
-    }
-    
-    return newcode[:j]
+	for i := 0; i < len(code); i++ {
+		c := code[i]
+
+		if c == '/' && nextChar(code, i) == '/' {
+			i = skipSingleLineComment(code, i+1)
+			continue
+		} else if c == '/' && nextChar(code, i) == '*' {
+			i = skipMultiLineComment(code, i+1)
+			continue
+		}
+
+		newcode[j] = c
+		j++
+	}
+
+	return newcode[:j]
 }
 
 func nextChar(code []byte, i int) byte {
-    i++
-    
-    if i < len(code) {
-        return code[i]
-    }
-    
-    return '0'
+	i++
+
+	if i < len(code) {
+		return code[i]
+	}
+
+	return '0'
 }
 
 func skipSingleLineComment(code []byte, i int) int {
-    for i < len(code) && code[i] != '\n' {
-        i++
-    }
-    
-    return i
+	for i < len(code) && code[i] != '\n' {
+		i++
+	}
+
+	return i
 }
 
 func skipMultiLineComment(code []byte, i int) int {
-    for i < len(code) && !(code[i] == '*' && nextChar(code, i) == '/') {
-        i++
-    }
-    
-    return i+1
+	for i < len(code) && !(code[i] == '*' && nextChar(code, i) == '/') {
+		i++
+	}
+
+	return i + 1
 }
 
 func byteArrayContains(haystack []byte, needle byte) bool {
-    for i := range haystack {
-        if haystack[i] == needle {
-            return true;
-        }
-    }
-    
-    return false
+	for i := range haystack {
+		if haystack[i] == needle {
+			return true
+		}
+	}
+
+	return false
 }
 
 func stringArrayContains(haystack []string, needle string) bool {
-    for i := range haystack {
-        if haystack[i] == needle {
-            return true;
-        }
-    }
-    
-    return false
+	for i := range haystack {
+		if haystack[i] == needle {
+			return true
+		}
+	}
+
+	return false
 }

src/main/asl.go

@@ -1,16 +1,16 @@
 package main
 
 import (
-    "io/ioutil"
-    "asl"
-    "fmt"
+	"asl"
+	"fmt"
+	"io/ioutil"
 )
 
-func main(){
-    // read test file
-    code, _ := ioutil.ReadFile("in/simple.asl")
-    token := asl.Tokenize(code)
-    out := asl.Parse(token)
-    
-    fmt.Println(out)
+func main() {
+	// read test file
+	code, _ := ioutil.ReadFile("in/simple.asl")
+	token := asl.Tokenize(code)
+	out := asl.Parse(token)
+
+	fmt.Println(out)
 }