Function compileIfStmt

compile.go:913–930

}}}

(context *funcContext, stmt *ast.IfStmt)

} // }}}

func compileIfStmt(context *funcContext, stmt *ast.IfStmt) { // {{{
	thenlabel := context.NewLabel()
	elselabel := context.NewLabel()
	endlabel := context.NewLabel()

	compileBranchCondition(context, context.RegTop(), stmt.Condition, thenlabel, elselabel, false)
	context.SetLabelPc(thenlabel, context.Code.LastPC())
	compileBlock(context, stmt.Then)
	if len(stmt.Else) > 0 {
		context.Code.AddASbx(OP_JMP, 0, endlabel, sline(stmt))
	}
	context.SetLabelPc(elselabel, context.Code.LastPC())
	if len(stmt.Else) > 0 {
		compileBlock(context, stmt.Else)
		context.SetLabelPc(endlabel, context.Code.LastPC())
	}

} // }}}

func compileBranchCondition(context *funcContext, reg int, expr ast.Expr, thenlabel, elselabel int, hasnextcond bool) { // {{{
	// TODO folding constants?