10 examples of 'golang if else' in Go

391
func (v *BaseFeelParserVisitor) VisitOrElse(ctx *OrElseContext) interface{} {
392
	return v.VisitChildren(ctx)
393
}

1822
func (s *IfContext) ELSE() antlr.TerminalNode {
1823
	return s.GetToken(COOLParserELSE, 0)
1824
}

422
func (p *parser) elseControl() Node {
423
	return newElse(p.expect(itemRightDelim, "else").pos, p.lex.lineNumber())
424
}

172
func else_(ctx *EngineContext, scope *Scope, ins protoface.Instruction, args []interface{}) (returnValue interface{}) {
173
	returnValue = "false"
174
	if ctx.ShouldContinue() {
175
		ctx.SetShouldContinue(false)
176
		for i := 0; i < ins.INumChildren(); i++ {
177
			child := ins.IGetNthChild(i)
178
			ctx.RunInstruction(scope, child)
179
		}
180
		returnValue = "true"
181
	}
182
	return
183
}

120
func (p *parser) if_() Statement {
121
	pos := p.pos
122
	p.expect(IF)
123
	condition := p.expression()
124
	body := p.block()
125
	var elseBody Block
126
	if p.tok == ELSE {
127
		p.next()
128
		if p.tok == LBRACE {
129
			elseBody = p.block()
130
		} else if p.tok == IF {
131
			elseBody = Block{p.if_()}
132
		} else {
133
			p.error("expected { or if after else, not %s", p.tok)
134
		}
135
	}
136
	return &If{pos, condition, body, elseBody}
137
}

385
func (e *emitter) If(i *parse.If) {
386
	e.Expr(i.Cond)
387
	e.asm("test %%rax, %%rax\n")
388
	e.asm("jz %s\n", i.LElse)
389
	e.Stmt(i.Stmt)
390
	e.raw("%s:\n", i.LElse)
391
	if i.Else != nil {
392
		e.Stmt(i.Else)
393
	}
394
}

965
func (t *Template) elseControl() Node {
966
	// Special case for "else if".
967
	peek := t.peekNonSpace()
968
	if peek.typ == itemIf {
969
		// We see "{{else if ... " but in effect rewrite it to {{else}}{{if ... ".
970
		return t.newElse(peek.pos, t.lex.lineNumber())
971
	}
972
	return t.newElse(t.expectRightDelim("else").pos, t.lex.lineNumber())
973
}

47
func (p *Interpreter) If(e interpreter.Engine) {
48
49
	var elseCode interface{}
50
51
	stk := p.stk
52
	elseArity := stk.popArity()
53
	if elseArity == 1 {
54
		elseCode, _ = stk.Pop()
55
	}
56
57
	condArity := stk.popArity()
58
	condArity++
59
60
	ifbr := stk.popNArgs(condArity << 1) // 2 * (condArity + 1)
61
	for i := 0; i < condArity; i++ {
62
		condCode := ifbr[i<<1]
63
		evalCode(e, p, "expr", condCode)
64
		v, _ := stk.Pop()
65
		cond, ok := v.(bool)
66
		if !ok {
67
			panic(ErrIfCondNotBoolean)
68
		}
69
		if cond {
70
			bodyCode := ifbr[(i<<1)+1]
71
			if bodyCode == nil {
72
				stk.Push(nil)
73
			} else {
74
				evalCode(e, p, "doc", bodyCode)
75
			}
76
			return
77
		}
78
	}
79
	if elseCode == nil {
80
		stk.Push(nil)
81
	} else {
82
		evalCode(e, p, "doc", elseCode)
83
	}
84
}

243
func (v *BaseFeelParserVisitor) VisitLoopElseStatement(ctx *LoopElseStatementContext) interface{} {
244
	return v.VisitChildren(ctx)
245
}

303
func (c *Cmd) If(vars *Vars) interface{} {
304
	v := c.Params[0].Eval(vars)
305
	var ret interface{}
306
	if v.(bool) {
307
		ret = c.Params[1].Eval(vars)
308
	} else if len(c.Params) > 2 && vars.Jump.Type == 0 {
309
		ret = c.Params[2].Eval(vars)
310
	}
311
	return ret
312
}